/* roulang page: index */
:root{
  --bg:#07111F;
  --bg2:#0C1B30;
  --glass:rgba(15,27,48,0.72);
  --card:#101F33;
  --line:rgba(201,222,255,0.14);
  --text:#E4EEFC;
  --muted:#8AA0BC;
  --green:#A8E830;
  --green-ink:#06141D;
  --yellow:#F3C94C;
  --cyan:#21CBB3;
  --red:#FF5D65;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow:0 12px 30px rgba(2,8,20,0.3);
  --glow:0 10px 30px rgba(168,232,48,0.28);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
.container{width:min(var(--container),100% - 48px);margin:0 auto}
.section{padding:92px 0}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--green);
  font-size:14px;
  font-weight:600;
  letter-spacing:.1em;
  margin-bottom:14px;
}
.section-kicker::before{
  content:"";
  width:22px;height:2px;background:var(--green);
  display:inline-block;
}
.section-head{
  margin-bottom:48px;
}
.section-head h2{
  font-size:36px;
  font-weight:700;
  line-height:1.3;
  color:#fff;
  margin-bottom:14px;
}
.section-intro{
  font-size:17px;
  color:var(--muted);
  max-width:760px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  line-height:1;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn:focus-visible{
  outline:2px solid var(--green);
  outline-offset:3px;
}
.btn-primary{
  background:var(--green);
  color:var(--green-ink);
  box-shadow:var(--glow);
}
.btn-primary:hover{
  background:#c0f45c;
  transform:translateY(-2px);
  box-shadow:0 14px 36px rgba(168,232,48,.36);
}
.btn-primary:active{
  transform:translateY(0);
  background:var(--green);
}
.btn-ghost{
  border:1px solid rgba(228,238,252,.35);
  color:var(--text);
  background:rgba(15,27,48,.3);
}
.btn-ghost:hover{
  border-color:var(--green);
  color:var(--green);
  transform:translateY(-2px);
}
.btn-ghost:active{
  transform:translateY(0);
  background:rgba(168,232,48,.08);
}
.btn-lg{height:56px;padding:0 32px;font-size:17px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,17,31,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:26px;
  min-height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-weight:700;
  font-size:20px;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:50%;
  flex:0 0 38px;
  background:radial-gradient(circle at 32% 30%, var(--green) 0%, #84bd20 48%, #5e8a14 100%);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  position:relative;
  box-shadow:0 0 0 4px rgba(168,232,48,.12), var(--glow);
}
.brand-mark::after{
  content:"";
  width:13px;
  height:13px;
  border-radius:50%;
  background:var(--green-ink);
  box-shadow:
    0 0 0 3px rgba(255,255,255,.3),
    0 0 0 6px rgba(168,232,48,.18);
}
.brand-text{
  letter-spacing:.02em;
}
.header-main{
  display:flex;
  justify-content:center;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid rgba(228,238,252,.16);
  background:transparent;
  color:var(--text);
  font-size:14px;
  font-weight:500;
  transition:all .25s ease;
  white-space:nowrap;
}
.nav-chip:hover{
  color:#fff;
  border-color:rgba(168,232,48,.7);
}
.nav-chip:focus-visible{
  outline:2px solid var(--green);
  outline-offset:2px;
}
.nav-chip.active{
  background:var(--green);
  border-color:var(--green);
  color:var(--green-ink);
  font-weight:700;
}
.header-cta{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:12px;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  background:rgba(15,27,48,.5);
  transition:border-color .25s;
}
.nav-toggle:hover{border-color:var(--green)}
.nav-toggle .bar{
  width:18px;
  height:2px;
  background:#E4EEFC;
  border-radius:2px;
  transition:transform .25s, opacity .25s;
}
.nav-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active .bar:nth-child(2){opacity:0}
.nav-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{
  position:relative;
  padding:110px 0 90px;
  overflow:hidden;
  background:var(--bg);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center 30%;
  opacity:0.45;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(7,17,31,.97) 0%,rgba(7,17,31,.86) 38%,rgba(7,17,31,.42) 76%,rgba(7,17,31,.78) 100%),
    radial-gradient(circle at 72% 42%, rgba(168,232,48,.08) 0%, transparent 52%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;
  align-items:center;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(168,232,48,.1);
  border:1px solid rgba(168,232,48,.25);
  color:var(--green);
  font-size:14px;
  font-weight:600;
  margin-bottom:22px;
}
.hero-kicker .dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  animation:blink 1.6s infinite;
}
@keyframes blink{
  0%,100%{opacity:1}
  50%{opacity:.35}
}
.hero h1{
  font-size:54px;
  line-height:1.22;
  font-weight:800;
  color:#fff;
  letter-spacing:.01em;
  margin-bottom:22px;
}
.hero h1 .accent{
  color:var(--green);
}
.hero-subtitle{
  font-size:20px;
  color:#C8D8EE;
  max-width:560px;
  margin-bottom:30px;
  line-height:1.7;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:22px;
}
.hero-note{
  color:var(--muted);
  font-size:13px;
  max-width:520px;
  line-height:1.7;
}
.hero-trust{
  display:flex;
  gap:16px;
  margin-top:28px;
  align-items:center;
}
.hero-trust-item{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
}
.hero-trust-item svg{width:18px;height:18px;color:var(--cyan)}

.hero-visual{
  position:relative;
}
.hero-frame{
  position:relative;
  border-radius:22px;
  padding:14px;
  border:1px solid rgba(168,232,48,.22);
  background:rgba(11,24,44,.7);
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow);
}
.hero-frame img{
  width:100%;
  height:auto;
  border-radius:14px;
  aspect-ratio:4/3;
  object-fit:cover;
  background:var(--card);
}
.visual-glass{
  position:absolute;
  background:rgba(9,18,33,.74);
  backdrop-filter:blur(14px);
  border:1px solid rgba(201,222,255,.13);
  border-radius:14px;
  padding:16px;
  box-shadow:var(--shadow);
}
.visual-glass.top{
  top:-24px;
  left:-22px;
  min-width:170px;
}
.visual-glass.bottom{
  bottom:-30px;
  right:-12px;
  left:36px;
}
.visual-glass .glass-title{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--yellow);
  font-weight:600;
  font-size:14px;
  margin-bottom:8px;
}
.visual-glass .glass-line{
  color:var(--muted);
  font-size:13px;
  line-height:1.6;
}
.visual-glass strong{
  color:#fff;
  font-weight:600;
}

.pain-section{
  background:var(--bg);
}
.pain-layout{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);
  gap:40px;
  align-items:stretch;
}
.pain-list{
  display:flex;
  flex-direction:column;
  gap:0;
}
.pain-item{
  display:grid;
  grid-template-columns:62px 1fr;
  gap:20px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.pain-item:last-child{border-bottom:0}
.pain-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:50px;
  height:50px;
  border-radius:14px;
  background:rgba(168,232,48,.08);
  border:1px solid rgba(168,232,48,.2);
  color:var(--green);
  font-family:"DIN Alternate","Roboto Condensed","PingFang SC",sans-serif;
  font-size:18px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.pain-item h3{
  font-size:20px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.pain-item p{
  color:var(--muted);
  font-size:15px;
}
.pain-card{
  background:var(--card);
  border:1px solid rgba(168,232,48,.12);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
}
.pain-card .card-badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(243,201,76,.1);
  color:var(--yellow);
  font-size:13px;
  font-weight:600;
  gap:6px;
  margin-bottom:18px;
}
.pain-card h3{
  color:#fff;
  font-size:22px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:12px;
}
.pain-card > p{
  color:var(--muted);
  margin-bottom:22px;
}
.pain-check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-top:1px solid rgba(255,255,255,.06);
  color:var(--text);
  font-size:15px;
}
.pain-check-list li:first-child{border-top:none}
.pain-check-list .check{
  color:var(--green);
  font-weight:800;
  line-height:1.6;
}
.pain-card .btn{
  margin-top:auto;
  align-self:flex-start;
}

.solution-section{
  background:var(--bg2);
}
.solution-list{
  display:flex;
  flex-direction:column;
  gap:64px;
}
.solution-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.solution-row.reverse .solution-media{
  order:2;
}
.solution-row.reverse .solution-copy{
  order:1;
  text-align:left;
}
.solution-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.solution-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s ease;
}
.solution-media:hover img{
  transform:scale(1.02);
}
.solution-media .media-tag{
  position:absolute;
  left:16px;
  top:16px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(6,20,29,.7);
  backdrop-filter:blur(8px);
  border:1px solid rgba(168,232,48,.28);
  color:var(--green);
  font-size:14px;
  font-weight:600;
}
.solution-copy .solution-num{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  font-size:16px;
  color:#fff;
  opacity:.5;
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.solution-copy h3{
  color:#fff;
  font-size:28px;
  line-height:1.35;
  margin-bottom:16px;
  font-weight:700;
}
.solution-copy p{
  color:#9CB1CD;
  font-size:16px;
  line-height:1.85;
  margin-bottom:20px;
  max-width:560px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--green);
  font-weight:600;
  font-size:15px;
  transition:gap .25s,color .25s;
}
.text-link:hover{
  color:#cef77a;
  gap:13px;
}
.text-link .arrow{
  font-size:18px;
}

.result-section{
  background:var(--bg);
}
.metric-strip{
  background:var(--card);
  border:1px solid rgba(168,232,48,.1);
  border-radius:24px;
  display:grid;
  grid-template-columns:280px 1fr;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.metric-main{
  background:rgba(168,232,48,.09);
  border-right:1px solid var(--line);
  padding:42px 32px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.metric-main .metric-value{
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  font-size:84px;
  line-height:1;
  color:var(--green);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
  text-shadow:0 0 42px rgba(168,232,48,.25);
}
.metric-main p{
  color:#Cfe0f5;
  margin-top:8px;
  font-size:16px;
}
.metric-mini-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
}
.metric-mini{
  padding:34px 28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  border-left:1px solid var(--line);
}
.metric-mini:nth-child(1){border-left:0}
.metric-mini .mini-label{
  color:#fff;
  font-size:20px;
  font-weight:700;
  margin-bottom:6px;
}
.metric-mini .mini-num{
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  color:var(--yellow);
  font-size:16px;
  margin-bottom:8px;
  letter-spacing:.14em;
}
.metric-mini p{
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}

.quote-section{
  background:linear-gradient(180deg, #0C1B30 0%, #07111F 100%);
}
.quote-layout{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:36px;
}
.quote-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:38px;
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:transform .25s,border-color .25s;
}
.quote-card:hover{
  transform:translateY(-4px);
  border-color:rgba(168,232,48,.35);
}
.quote-card.featured{
  background:linear-gradient(145deg, rgba(168,232,48,.1) 0%, var(--card) 46%);
  border-color:rgba(168,232,48,.2);
}
.quote-symbol{
  width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(168,232,48,.1);
  color:var(--green);
  font-size:25px;
  font-weight:600;
}
.quote-card blockquote{
  color:#D6E3F4;
  font-size:19px;
  line-height:1.85;
}
.quote-card.featured blockquote{
  font-size:22px;
}
.quote-author{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--muted);
  font-size:14px;
}
.quote-author .avatar{
  width:38px;
  height:38px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

.latest-section{
  background:var(--bg);
}
.latest-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:42px;
}
.latest-header h2{
  font-size:36px;
  color:#fff;
  line-height:1.3;
}
.latest-header .header-note{
  color:var(--muted);
  font-size:15px;
  margin-top:8px;
}
.latest-stage{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:32px;
}
.latest-feature{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform .25s,border-color .25s;
}
.latest-feature:hover{
  transform:translateY(-3px);
  border-color:rgba(168,232,48,.35);
}
.latest-feature .feature-media{
  aspect-ratio:16/9;
  background-size:cover;
  background-position:center;
  position:relative;
}
.latest-feature .feature-badge{
  position:absolute;
  top:16px;
  left:16px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(168,232,48,.13);
  border:1px solid rgba(168,232,48,.32);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
}
.badge-dark{
  background:rgba(15,27,48,.6);
  color:var(--yellow);
  font-size:11px;
  height:24px;
  padding:0 9px;
}
.feature-content{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.feature-content h3{
  font-size:22px;
  line-height:1.5;
  font-weight:700;
}
.feature-content h3 a{
  color:#fff;
  transition:color .25s;
}
.feature-content h3 a:hover{
  color:var(--green);
}
.feature-content p{
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  flex:1;
}
.post-meta-row{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--muted);
  font-size:13px;
  margin-top:auto;
}
.post-date{
  color:var(--yellow);
  font-size:13px;
}
.post-date svg{
  width:14px;
  height:14px;
  fill:currentColor;
}
.latest-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:28px;
  display:flex;
  flex-direction:column;
  gap:0;
}
.latest-row{
  display:grid;
  grid-template-columns:92px 80px minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
  padding:17px 0;
  border-bottom:1px solid var(--line);
}
.latest-row:last-child{border-bottom:none}
.latest-row .lg-title{
  min-width:0;
}
.latest-row .lg-title a{
  color:#E4EEFC;
  font-weight:600;
  font-size:16px;
  line-height:1.5;
  display:block;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.latest-row .lg-title a:hover{
  color:var(--green);
}
.latest-row .lg-subtitle{
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
  margin-top:4px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.latest-row .row-link{
  color:#8AA0BC;
  font-size:13px;
  font-weight:600;
  transition:color .25s;
}
.latest-row .row-link:hover{
  color:var(--green);
}
.empty-state{
  background:var(--card);
  border:1px dashed rgba(168,232,48,.28);
  border-radius:20px;
  padding:64px 30px;
  text-align:center;
  color:var(--muted);
  font-size:16px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}
.empty-state .empty-icon{
  font-size:40px;
  color:rgba(168,232,48,.6);
}
.empty-state p{
  color:var(--muted);
}

.faq-section{
  background:var(--bg2);
}
.faq-inner{
  max-width:860px;
  margin:0 auto;
}
.faq-list{
  margin-top:12px;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(15,27,48,.46);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item[open]{
  border-color:rgba(168,232,48,.3);
  background:rgba(15,27,48,.62);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 26px;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{
  color:#fff;
  font-size:17px;
  font-weight:600;
  transition:color .25s;
}
.faq-item[open] summary h3{
  color:var(--green);
}
.faq-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  color:#Cfe0f5;
  font-size:20px;
  flex:0 0 30px;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),background .25s,border-color .25s;
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  border-color:var(--green);
  color:var(--green);
}
.faq-item .faq-answer{
  padding:0 26px 24px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
  max-width:780px;
}
.faq-item .faq-answer strong{
  color:#d6e4f4;
}

.cta-section{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(5,12,22,.88);
}
.cta-section::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 20% 20%, rgba(168,232,48,.09), transparent 42%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(380px,.85fr);
  gap:56px;
  align-items:center;
}
.cta-copy h2{
  font-size:40px;
  color:#fff;
  line-height:1.35;
  margin-bottom:18px;
  font-weight:800;
}
.cta-copy h2 span{
  color:var(--green);
}
.cta-copy p{
  color:#AFC1D9;
  font-size:17px;
  line-height:1.85;
  margin-bottom:28px;
  max-width:540px;
}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.cta-point{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(15,27,48,.6);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 16px;
  font-size:14px;
  color:#D0DFF1;
}
.cta-point i{
  color:var(--green);
  font-style:normal;
}
.lead-form{
  background:rgba(15,27,48,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(168,232,48,.2);
  border-radius:24px;
  padding:28px;
  box-shadow:var(--shadow);
}
.lead-form h3{
  color:#fff;
  font-size:20px;
  margin-bottom:22px;
}
.form-group{
  margin-bottom:16px;
}
.form-group label{
  display:block;
  color:#B8C8DE;
  font-size:13px;
  font-weight:500;
  margin-bottom:7px;
}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  border:1px solid rgba(228,238,252,.16);
  background:#0A1626;
  border-radius:12px;
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  transition:border-color .25s,box-shadow .25s;
  font-family:inherit;
}
.form-group textarea{
  min-height:96px;
  resize:vertical;
}
.form-group input::placeholder,.form-group textarea::placeholder{
  color:#6F829E;
}
.form-group select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%238AA0BC'%3E%3Cpath d='M1 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;
  border-color:var(--green);
  box-shadow:0 0 0 4px rgba(168,232,48,.25);
}
.form-message{
  margin-top:12px;
  font-size:14px;
  color:var(--cyan);
  min-height:20px;
}

.site-footer{
  background:#050B14;
  border-top:1px solid var(--line);
  padding:70px 0 34px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) .8fr .9fr 1.1fr;
  gap:40px;
  margin-bottom:50px;
}
.footer-brand .brand{
  font-size:22px;
  margin-bottom:16px;
}
.footer-brand .footer-desc{
  color:#7B91AE;
  font-size:15px;
  line-height:1.9;
  max-width:320px;
}
.footer-col h3{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col a{
  display:block;
  color:#7B91AE;
  font-size:15px;
  padding:5px 0;
  transition:color .25s;
  max-width:max-content;
}
.footer-col a:hover{
  color:var(--green);
}
.footer-col .footer-note{
  color:#7B91AE;
  font-size:14px;
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  color:#7085A0;
  font-size:14px;
}
.footer-bottom a{
  color:#8AA0BC;
}
.footer-bottom a:hover{
  color:var(--green);
}

@media (max-width:1180px){
  .container{
    width:min(var(--container),100% - 36px);
  }
  .solution-row{
    gap:36px;
  }
  .metric-strip{
    grid-template-columns:230px 1fr;
  }
  .hero h1{
    font-size:48px;
  }
}
@media (max-width:1020px){
  .header-inner{
    grid-template-columns:auto 1fr;
    gap:12px 20px;
    padding:12px 0;
    min-height:auto;
  }
  .header-main{
    grid-column:1 / -1;
    grid-row:2;
    justify-content:flex-start;
    overflow-x:auto;
    padding:8px 2px;
    border-top:1px solid rgba(201,222,255,.08);
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .header-main::-webkit-scrollbar{display:none}
  .main-nav{
    gap:8px;
    padding:2px 0;
    flex-wrap:nowrap;
  }
  .header-cta{
    grid-column:2 / 3;
    grid-row:1;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .nav-cta{
    display:none;
  }
  .hero{
    padding:90px 0 110px;
  }
  .hero-inner{
    grid-template-columns:1fr;
    gap:48px;
  }
  .hero-visual{
    max-width:580px;
    margin:0 auto;
    width:100%;
  }
  .visual-glass.top{
    top:-16px;
    left:10px;
  }
  .pain-layout{
    grid-template-columns:1fr;
  }
  .solution-row{
    grid-template-columns:1fr;
  }
  .solution-row.reverse .solution-media,
  .solution-row.reverse .solution-copy{
    order:0;
  }
  .metric-strip{
    grid-template-columns:1fr;
  }
  .metric-main{
    border-right:0;
    border-bottom:1px solid var(--line);
  }
  .quote-layout{
    grid-template-columns:1fr;
  }
  .latest-stage{
    grid-template-columns:1fr;
  }
  .cta-inner{
    grid-template-columns:1fr;
    gap:44px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:760px){
  .container{
    width:calc(100% - 32px);
  }
  .section{
    padding:60px 0;
  }
  .section-head h2{
    font-size:28px;
  }
  .section-intro{
    font-size:16px;
  }
  .hero{
    padding:60px 0 88px;
  }
  .hero h1{
    font-size:36px;
  }
  .hero-subtitle{
    font-size:17px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .hero-actions .btn{
    width:100%;
  }
  .brand-text{
    font-size:18px;
  }
  .brand-mark{
    width:34px;
    height:34px;
    flex-basis:34px;
  }
  .pain-item{
    grid-template-columns:48px 1fr;
    gap:14px;
  }
  .pain-num{
    width:42px;
    height:42px;
    font-size:15px;
  }
  .pain-item h3{
    font-size:18px;
  }
  .solution-copy h3{
    font-size:24px;
  }
  .metric-mini-grid{
    grid-template-columns:1fr;
  }
  .metric-mini{
    border-left:0;
    border-bottom:1px solid var(--line);
    padding:24px 24px;
  }
  .metric-mini:last-child{
    border-bottom:0;
  }
  .latest-header{
    flex-direction:column;
    align-items:flex-start;
  }
  .latest-header h2{
    font-size:29px;
  }
  .latest-list{
    padding:18px;
  }
  .latest-row{
    grid-template-columns:1fr;
    gap:8px;
    padding:18px 0;
    align-items:flex-start;
  }
  .latest-row .lg-title a{
    white-space:normal;
  }
  .feature-content h3{
    font-size:20px;
  }
  .faq-item summary{
    padding:18px 18px;
    gap:12px;
  }
  .faq-item summary h3{
    font-size:16px;
  }
  .faq-item .faq-answer{
    padding:0 18px 20px;
  }
  .cta-copy h2{
    font-size:31px;
  }
  .lead-form{
    padding:20px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
  }
}
@media (max-width:520px){
  .hero h1{
    font-size:32px;
  }
  .hero-subtitle{
    font-size:16px;
  }
  .nav-chip{
    height:38px;
    padding:0 14px;
  }
  .visual-glass.top{
    width:130px;
    padding:12px;
    left:-6px;
    top:-14px;
  }
  .visual-glass.bottom{
    left:12px;
    right:12px;
  }
  .quote-card{
    padding:24px;
  }
  .quote-card.featured blockquote{
    font-size:19px;
  }
  .solution-media img{
    aspect-ratio:16/11;
  }
  .latest-feature .feature-content{
    padding:18px;
  }
  .cta-points{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (prefers-reduced-motion:reduce){
  *{
    animation-duration:0.01ms !important;
    transition-duration:0.01ms !important;
  }
}

/* roulang page: category1 */
:root{
  --bg:#07111F;
  --bg-2:#0C1B30;
  --panel:rgba(15,27,48,.72);
  --card:#101F33;
  --text:#E4EEFC;
  --muted:#8AA0BC;
  --line:rgba(201,222,255,.14);
  --lime:#A8E830;
  --lime-dark:#06141D;
  --lime-soft:rgba(168,232,48,.14);
  --lime-glow:rgba(168,232,48,.35);
  --yellow:#F3C94C;
  --teal:#21CBB3;
  --red:#FF5D65;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 12px 30px rgba(2,8,20,.3);
  --shadow-lime:0 10px 30px rgba(168,232,48,.28);
  --font-stack:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(600px 280px at 12% -5%, rgba(168,232,48,.08), transparent 60%),
    radial-gradient(700px 320px at 100% 15%, rgba(33,203,179,.07), transparent 60%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;outline:none}
button,input,select,textarea{font:inherit;color:inherit;border:none;outline:none}
ul,ol{list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
}
.skip-link{
  position:absolute;left:-999px;top:0;z-index:100;
  background:var(--lime);color:var(--lime-dark);padding:10px 18px;
  border-radius:0 0 10px 0;font-weight:600;
}
.skip-link:focus{left:0}
.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
section{scroll-margin-top:96px}
#faq,#latest,#contact{scroll-margin-top:96px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:12px 24px;border-radius:999px;
  font-weight:600;font-size:15px;line-height:1;
  cursor:pointer;transition:all .25s ease;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--lime);color:var(--lime-dark);
  box-shadow:0 8px 26px rgba(168,232,48,.22);
}
.btn-primary:hover{
  background:#b7f34d;
  transform:translateY(-2px);
  box-shadow:var(--shadow-lime);
}
.btn-primary:active{transform:translateY(0);background:#9ad822}
.btn-ghost{
  background:rgba(168,232,48,.06);
  border-color:rgba(168,232,48,.4);
  color:var(--lime);
}
.btn-ghost:hover{
  background:rgba(168,232,48,.14);
  border-color:var(--lime);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,17,31,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;
  justify-content:space-between;
  height:72px;gap:18px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:30px;height:30px;border-radius:50%;
  background:radial-gradient(circle at 33% 32%, #f7f3cf 0%, #ffed9b 12%, #a8e830 38%, #4c8c14 72%, #264d0d 100%);
  box-shadow:inset -2px -2px 4px rgba(0,0,0,.2), 0 0 0 1px rgba(255,255,255,.16);
  display:inline-block;flex-shrink:0;
  overflow:hidden;
}
.brand-mark:before{
  content:"";
  position:absolute;left:50%;top:50%;width:6px;height:6px;
  transform:translate(-50%,-50%);
  border-radius:50%;
  background:rgba(24,46,6,.72);
  box-shadow:6px 0 rgba(24,46,6,.5),-6px 0 rgba(24,46,6,.4),0 8px rgba(24,46,6,.4),0 -7px rgba(24,46,6,.4),8px 6px rgba(24,46,6,.33),-8px -6px rgba(24,46,6,.33);
}
.brand-text{
  color:var(--text);
  font-weight:700;
  font-size:20px;
  letter-spacing:.02em;
  white-space:nowrap;
}
.header-main{
  display:flex;align-items:center;flex:1;justify-content:center;
  min-width:0;
}
.main-nav{
  display:flex;gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:4px 2px;
}
.main-nav::-webkit-scrollbar{display:none}
.nav-chip{
  padding:9px 16px;
  border-radius:999px;
  background:rgba(168,232,48,.05);
  border:1px solid rgba(201,222,255,.14);
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:all .2s ease;
}
.nav-chip:hover{
  border-color:rgba(168,232,48,.55);
  color:var(--text);
  background:rgba(168,232,48,.1);
}
.nav-chip.active{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--lime-dark);
  font-weight:700;
  box-shadow:0 6px 20px rgba(168,232,48,.22);
}
.header-cta{
  display:flex;align-items:center;gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:10px;
  border-radius:10px;
  background:rgba(168,232,48,.06);
  border:1px solid rgba(201,222,255,.14);
  cursor:pointer;
}
.nav-toggle .bar{
  display:block;height:2px;width:100%;
  border-radius:2px;
  background:var(--text);
  transition:all .3s ease;
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(7px) rotate(225deg)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-7px) rotate(-225deg)}

/* category hero */
.category-hero{
  position:relative;
  padding:72px 0 54px;
  background:linear-gradient(96deg,rgba(7,17,31,.98) 0%,rgba(10,24,42,.92) 42%,rgba(12,27,48,.82) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid rgba(201,222,255,.14);
  overflow:hidden;
}
.category-hero:after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(7,17,31,.82) 100%);
}
.hero-grid{
  position:absolute;text-align:center;right:-40px;bottom:-40px;
  width:340px;height:340px;
  opacity:.12;pointer-events:none;
  background:
    linear-gradient(rgba(168,232,48,.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168,232,48,.4) 1px, transparent 1px);
  background-size:44px 44px;
  transform:perspective(400px) rotateX(52deg);
  z-index:1;
}
.hero-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--muted);
  margin-bottom:30px;
}
.breadcrumb a{
  transition:color .2s ease;
}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span:last-child{color:var(--text)}
.cat-title-row{
  display:flex;flex-direction:column;gap:22px;
  position:relative;
}
.cat-hero-main{max-width:680px}
.category-hero h1{
  font-size:clamp(34px,5.1vw,60px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  color:var(--text);
  margin-bottom:22px;
  position:relative;
}
.category-hero h1 .hero-accent{
  color:var(--lime);
}
.cat-hero-main > p{
  font-size:17px;
  color:#b8c8de;
  margin-bottom:26px;
  max-width:620px;
  line-height:1.9;
}
.sub-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.sub-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid rgba(201,222,255,.2);
  background:rgba(8,18,32,.66);
  color:var(--text);
  font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.sub-chip:before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
  opacity:.8;
}
.sub-chip:hover{
  background:rgba(168,232,48,.14);
  border-color:rgba(168,232,48,.5);
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(2,8,20,.2);
}
.hero-panel{
  position:absolute;
  right:20px;
  top:14px;
  width:300px;
  background:rgba(15,27,48,.72);
  border:1px solid rgba(168,232,48,.24);
  border-radius:18px;
  padding:18px 20px;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:14px;
}
.hero-panel-head{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;
  color:var(--text);
}
.live-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--red);
  box-shadow:0 0 0 0 rgba(255,93,101,.6);
  animation:pulse-live 1.6s infinite;
}
@keyframes pulse-live{
  0%{box-shadow:0 0 0 0 rgba(255,93,101,.45)}
  80%{box-shadow:0 0 0 8px rgba(255,93,101,0)}
  100%{box-shadow:0 0 0 0 rgba(255,93,101,0)}
}
.hero-panel-list{
  display:flex;flex-direction:column;gap:12px;
}
.hero-panel-item{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line);
  padding-top:10px;
  gap:12px;
}
.hero-panel-item span:first-child{color:#bdcde2}
.hero-panel-item em{
  font-style:normal;
  color:var(--yellow);
  font-size:12px;
  background:rgba(243,201,76,.1);
  padding:3px 8px;
  border-radius:999px;
  white-space:nowrap;
}

/* section common */
.section{
  padding:88px 0;
  position:relative;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:22px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3.6vw,36px);
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.02em;
}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  margin-bottom:12px;
  letter-spacing:.05em;
}
.sec-tag:before{
  content:"";
  width:22px;height:2px;
  background:var(--lime);
  display:block;
  border-radius:4px;
  box-shadow:0 0 12px rgba(168,232,48,.5);
}
.section-more a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;
  color:var(--muted);
  transition:all .2s ease;
}
.section-more a:hover{
  color:var(--lime);
  gap:10px;
}

/* featured card */
.feature-card{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.feature-card:hover{
  transform:translateY(-3px);
  border-color:rgba(168,232,48,.35);
  box-shadow:0 16px 40px rgba(2,8,20,.35);
}
.feature-media{
  position:relative;
  min-height:320px;
  overflow:hidden;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-card:hover .feature-media img{transform:scale(1.04)}
.feature-media:after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,transparent 70%,rgba(16,31,51,.42) 100%);
}
.feature-meta{
  position:absolute;
  left:16px;top:16px;
  background:rgba(7,17,31,.7);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:var(--lime);
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid rgba(168,232,48,.3);
  z-index:2;
}
.feature-card bodycopy{
  padding:44px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
}
.feature-card h3{
  font-size:16px;
  font-weight:600;
  color:var(--yellow);
  margin-bottom:12px;
  letter-spacing:.05em;
}
.feature-card h4{
  font-size:clamp(22px,2.6vw,28px);
  line-height:1.45;
  margin-bottom:18px;
  font-weight:800;
  letter-spacing:-.01em;
}
.feature-card p{
  color:var(--muted);
  line-height:1.9;
  margin-bottom:14px;
  font-size:15px;
}
.feature-card .btn{margin-top:10px}

/* hot rows area */
.hot-section{
  background:linear-gradient(180deg,rgba(10,23,40,.7),rgba(7,17,31,.1));
}
.hot-zone{
  border-top:1px solid rgba(201,222,255,.08);
}
.hot-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.hot-list{
  display:flex;
  flex-direction:column;
}
.hot-row{
  display:grid;
  grid-template-columns:88px 1.2fr 1fr 60px;
  gap:26px;
  align-items:center;
  padding:26px 32px;
  transition:background .25s ease;
  border-bottom:1px solid rgba(201,222,255,.09);
}
.hot-row:last-child{border-bottom:none}
.hot-row:hover{background:rgba(168,232,48,.045)}
.hot-row-index{
  font-family:"DIN Alternate","Roboto Condensed",var(--font-stack);
  font-size:28px;font-weight:700;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
  opacity:.8;
}
.hot-row-title h4{
  font-size:17px;font-weight:700;
  margin-bottom:7px;
}
.hot-row-title h4 a:hover{color:var(--lime)}
.hot-row-title .row-tag{
  display:inline-block;
  font-size:12px;
  color:var(--yellow);
  background:rgba(243,201,76,.1);
  padding:2px 9px;
  border-radius:999px;
  margin-top:6px;
}
.hot-row-summary{
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
}
.hot-row-arrow{
  justify-self:end;
  width:42px;height:42px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:transparent;
  border:1px solid rgba(201,222,255,.16);
  color:var(--text);
  transition:all .25s ease;
}
.hot-row-arrow svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2}
.hot-row:hover .hot-row-arrow{
  background:var(--lime);
  color:var(--lime-dark);
  border-color:var(--lime);
  transform:rotate(-45deg);
  box-shadow:0 0 16px rgba(168,232,48,.3);
}

/* related categories */
.rel-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.rel-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(168,232,48,.4);
  box-shadow:0 16px 36px rgba(2,8,20,.35);
}
.rel-card .rel-img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.rel-card:hover .rel-img{transform:scale(1.05)}
.rel-card .rel-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,17,31,.05) 0%,rgba(7,17,31,.62) 48%,rgba(7,17,31,.96) 100%);
}
.rel-body{
  position:relative;
  z-index:2;
  padding:36px 30px 30px;
  width:100%;
}
.rel-body .rel-kicker{
  font-size:13px;
  font-weight:700;
  color:var(--lime);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:8px;
}
.rel-body .rel-kicker:before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
}
.rel-body h3{
  font-size:23px;
  font-weight:800;
  margin-bottom:8px;
}
.rel-body p{
  font-size:14px;
  color:var(--muted);
  max-width:440px;
  line-height:1.8;
  margin-bottom:18px;
}
.rel-body .btn{
  padding:9px 18px;
  font-size:14px;
}

/* faq */
.faq-section{
  background:linear-gradient(180deg,rgba(7,17,31,.4),rgba(12,27,48,.35));
  border-top:1px solid rgba(201,222,255,.08);
  border-bottom:1px solid rgba(201,222,255,.08);
}
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:rgba(15,27,48,.45);
  border:1px solid rgba(201,222,255,.14);
  border-radius:16px;
  margin-bottom:12px;
  padding:0 24px;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{
  border-color:rgba(168,232,48,.35);
  background:rgba(15,27,48,.72);
}
.faq-item summary{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
  padding:20px 0;
  gap:16px;
  font-weight:600;
  font-size:16px;
  color:var(--text);
  position:relative;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover,.faq-item[open] summary{color:var(--lime)}
.faq-icon{
  width:28px;height:28px;flex-shrink:0;
  border-radius:50%;
  border:1px solid rgba(168,232,48,.3);
  display:flex;align-items:center;justify-content:center;
  position:relative;
  transition:all .3s ease;
}
.faq-icon:before,.faq-icon:after{
  content:"";
  position:absolute;
  background:var(--lime);
  border-radius:4px;
  transition:all .3s ease;
}
.faq-icon:before{width:12px;height:2px}
.faq-icon:after{width:2px;height:12px}
.faq-item[open] .faq-icon{
  background:var(--lime);
}
.faq-item[open] .faq-icon:before,.faq-item[open] .faq-icon:after{background:var(--lime-dark)}
.faq-item[open] .faq-icon:after{transform:rotate(90deg)}
.faq-content{
  padding:0 0 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  max-width:720px;
}

/* cta / contact */
.cta-section{
  position:relative;
  padding:96px 0;
  background:linear-gradient(96deg,rgba(6,14,26,.97) 0%,rgba(9,21,36,.93) 58%,rgba(11,23,41,.86)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:64px;
  align-items:center;
}
.cta-copy h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.48;
  font-weight:800;
  margin-bottom:18px;
}
.cta-copy .cta-lead{
  color:var(--muted);
  font-size:16px;
  max-width:490px;
  margin-bottom:24px;
  line-height:1.9;
}
.cta-points{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cta-point{
  display:flex;
  align-items:center;
  gap:12px;
  color:#c3d3e8;
  font-size:15px;
}
.cta-point span{
  width:22px;height:22px;
  border-radius:50%;
  background:rgba(168,232,48,.12);
  border:1px solid rgba(168,232,48,.4);
  color:var(--lime);
  font-size:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.contact-card{
  background:rgba(12,27,48,.88);
  border:1px solid rgba(168,232,48,.2);
  border-radius:var(--radius-lg);
  padding:32px 30px;
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.contact-card h3{
  font-size:20px;
  font-weight:800;
  margin-bottom:8px;
}
.contact-card .form-sub{
  color:var(--muted);
  font-size:14px;
  margin-bottom:24px;
}
.field-group{
  margin-bottom:18px;
}
.field-group label{
  display:block;
  font-size:14px;
  color:#c3d3e8;
  margin-bottom:8px;
  font-weight:500;
}
.field-group input,.field-group select{
  width:100%;
  background:#0A1626;
  border:1px solid rgba(201,222,255,.16);
  border-radius:12px;
  padding:13px 15px;
  font-size:15px;
  color:var(--text);
  transition:all .25s ease;
}
.field-group select option{
  background:#0A1626;
  color:var(--text);
}
.field-group select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' fill='none'%3e%3cpath d='M1 1l6 6 6-6' stroke='%238AA0BC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
  background-repeat:no-repeat;
  background-position:right 16px center;
}
.field-group textarea{
  width:100%;
  background:#0A1626;
  border:1px solid rgba(201,222,255,.16);
  border-radius:12px;
  padding:13px 15px;
  font-size:15px;
  color:var(--text);
  resize:vertical;
  min-height:92px;
  transition:all .25s ease;
}
.field-group input:focus,.field-group textarea:focus,.field-group select:focus{
  border-color:var(--lime);
  box-shadow:0 0 0 4px rgba(168,232,48,.12);
}
.field-group input::placeholder,.field-group textarea::placeholder{color:#6F829E}
.field-tip{
  font-size:12px;
  color:var(--muted);
  margin-top:6px;
}

/* footer */
.site-footer{
  background:#050B14;
  border-top:1px solid rgba(201,222,255,.08);
  padding-top:64px;
  position:relative;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .brand{
  margin-bottom:18px;
}
.footer-brand .brand-text{
  font-size:19px;
}
.footer-desc{
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
  margin-top:16px;
  max-width:360px;
}
.footer-col h3{
  font-size:14px;
  color:#d3e2f5;
  border-bottom:1px solid rgba(201,222,255,.1);
  padding-bottom:14px;
  margin-bottom:18px;
  font-weight:700;
  letter-spacing:.06em;
}
.footer-col a{
  display:block;
  color:var(--muted);
  font-size:14px;
  margin-bottom:12px;
  transition:color .2s ease;
}
.footer-col a:hover{
  color:var(--lime);
  text-decoration:underline;
  text-underline-offset:6px;
  text-decoration-color:rgba(168,232,48,.4);
}
.footer-note{
  color:var(--muted);
  font-size:13px;
  line-height:1.9;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:24px 0;
  border-top:1px solid rgba(201,222,255,.07);
  color:var(--muted);
  font-size:13px;
  flex-wrap:wrap;
}
.footer-bottom span:last-child{
  color:rgba(143,166,196,.7);
}

/* responsive */
@media (max-width:1024px){
  .header-inner{gap:12px}
  .brand-text{font-size:18px}
  .nav-chip{padding:8px 13px;font-size:13px}
  .section{padding:68px 0}
  .hot-row{grid-template-columns:72px 1.3fr 1fr 50px;gap:18px;padding:22px 20px}
  .feature-card-body{padding:30px 28px}
  .hero-panel{width:250px;right:-12px}
  .cta-inner{gap:36px}
}
@media (max-width:900px){
  .header-main{
    display:none;
    position:absolute;
    top:72px;left:0;right:0;
    background:rgba(7,17,31,.98);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:14px 24px;
    flex-direction:column;
    align-items:stretch;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:all .25s ease;
  }
  .header-main.is-open{
    display:flex;
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .main-nav{
    flex-direction:column;
  }
  .nav-chip{
    display:block;
    text-align:left;
  }
  .nav-toggle{display:flex}
  .category-hero{padding:56px 0 44px}
  .hero-inner,.category-hero h1{overflow:visible}
  .hero-panel{
    position:static;
    width:auto;
    margin-top:34px;
  }
  .cat-hero-main > p{max-width:100%}
  .feature-card{
    grid-template-columns:1fr;
  }
  .feature-media{min-height:260px}
  .hot-row{
    grid-template-columns:1fr;
    gap:10px;
    padding:20px;
  }
  .hot-row-index{
    font-size:18px;
  }
  .hot-row-arrow{
    display:none;
  }
  .rel-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .cta-inner{
    grid-template-columns:1fr;
  }
}
@media (max-width:640px){
  .brand-text{
    font-size:16px;
  }
  .category-hero h1{
    font-size:32px;
  }
  .section{
    padding:56px 0;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
  }
  .hero-panel{display:none}
  .contact-card{
    padding:24px 18px;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }
  .cta-section{
    padding:64px 0;
  }
  .cta-inner{gap:28px}
  .container{
    padding:0 16px;
  }
  .header-inner{
    height:64px;
  }
  .nav-cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{
    animation-duration:.001s!important;
    transition-duration:.001s!important;
    scroll-behavior:auto!important;
  }
  .feature-card,.rel-card,.sub-chip,.btn{
    transform:none!important;
  }
}

/* roulang page: article */
:root {
  --bg: #07111F;
  --bg-soft: #0C1B30;
  --bg-card: #101F33;
  --bg-deep: #050B14;
  --glass: rgba(15, 27, 48, 0.72);
  --line: rgba(201, 222, 255, 0.14);
  --line-strong: rgba(201, 222, 255, 0.22);
  --text: #E4EEFC;
  --text-muted: #8AA0BC;
  --text-weak: #6F829E;
  --kiwi: #A8E830;
  --kiwi-deep: #06141D;
  --kiwi-soft: rgba(168, 232, 48, 0.1);
  --kiwi-glow: rgba(168, 232, 48, 0.28);
  --gold: #F3C94C;
  --teal: #21CBB3;
  --danger: #FF5D65;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-card: 0 12px 30px rgba(2, 8, 20, 0.3);
  --shadow-float: 0 18px 40px rgba(2, 8, 20, 0.42);
  --font-stack: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 460px at 8% -6%, rgba(168, 232, 48, 0.08), transparent 70%),
    radial-gradient(760px 400px at 88% 26%, rgba(33, 203, 179, 0.07), transparent 65%);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: 0.01em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: inline-block;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.24s ease, background 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin-left: auto;
  margin-right: auto;
}

:focus-visible {
  outline: 3px solid rgba(168, 232, 48, 0.6);
  outline-offset: 3px;
  border-radius: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.22s ease, background 0.22s ease, color 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.btn-primary {
  background: var(--kiwi);
  color: var(--kiwi-deep);
  box-shadow: 0 10px 30px rgba(168, 232, 48, 0.22);
}

.btn-primary:hover {
  background: #bcf54a;
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(168, 232, 48, 0.32);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(168, 232, 48, 0.22);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(168, 232, 48, 0.9);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(168, 232, 48, 0.18);
}

.btn-line {
  background: transparent;
  border-color: rgba(228, 238, 252, 0.3);
  color: var(--text);
}

.btn-line:hover {
  border-color: var(--kiwi);
  color: var(--kiwi);
  transform: translateY(-2px);
  background: rgba(168, 232, 48, 0.08);
}

.btn-line:active {
  transform: translateY(0);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(7, 17, 31, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  color: var(--text);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #f4ffd2, #a8e830 54%, #5f9f12);
  position: relative;
  box-shadow: 0 0 0 4px rgba(168, 232, 48, 0.12), 0 8px 22px rgba(168, 232, 48, 0.14);
  flex-shrink: 0;
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(168, 232, 48, 0.65);
  transform: translate(-50%, -50%);
  border: 2px solid rgba(6, 20, 29, 0.25);
}

.brand-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(228, 238, 252, 0.18);
  font-size: 15px;
  color: rgba(228, 238, 252, 0.85);
  background: transparent;
  transition: all 0.22s ease;
}

.nav-chip:hover {
  color: var(--kiwi);
  border-color: rgba(168, 232, 48, 0.5);
  background: rgba(168, 232, 48, 0.08);
}

.nav-chip:active {
  transform: scale(0.98);
}

.nav-chip.active {
  background: var(--kiwi);
  color: var(--kiwi-deep);
  border-color: var(--kiwi);
  box-shadow: 0 8px 20px rgba(168, 232, 48, 0.18);
  font-weight: 700;
}

.header-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

.nav-cta {
  color: var(--kiwi-deep);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle .bar {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  margin-top: 26px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color 0.22s ease;
}

.breadcrumb a:hover {
  color: var(--kiwi);
}

.breadcrumb .divider {
  opacity: 0.5;
}

.breadcrumb .current {
  color: rgba(228, 238, 252, 0.92);
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Article Layout ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: start;
  padding-bottom: 90px;
}

.article-main {
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.014), transparent 34%),
    var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(24px, 4.6vw, 56px);
  overflow: hidden;
}

.article-head {
  margin-bottom: 32px;
  position: relative;
}

.article-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(243, 201, 76, 0.12);
  border: 1px solid rgba(243, 201, 76, 0.35);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.article-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(243, 201, 76, 0.5);
}

.article-head h1 {
  font-size: clamp(27px, 4vw, 36px);
  line-height: 1.35;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.01em;
  margin-bottom: 18px;
  word-break: break-word;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  color: var(--text-muted);
  font-size: 14px;
  padding-top: 4px;
}

.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta .meta-item svg {
  opacity: 0.8;
}

.article-meta time {
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.article-meta .meta-source {
  color: rgba(228, 238, 252, 0.82);
}

.article-content {
  border-top: 1px solid var(--line);
  padding-top: 36px;
}

/* ---------- Prose ---------- */
.prose {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  overflow-wrap: break-word;
}

.prose > * + * {
  margin-top: 1.5em;
}

.prose p {
  margin: 1.25em 0;
}

.prose h2 {
  font-size: 25px;
  font-weight: 700;
  line-height: 1.45;
  color: #f4f9ff;
  margin: 2em 0 0.9em;
  padding-left: 14px;
  border-left: 4px solid var(--kiwi);
  border-radius: 4px;
}

.prose h3 {
  font-size: 20px;
  font-weight: 700;
  color: #eaf3ff;
  margin: 1.8em 0 0.7em;
}

.prose h4 {
  font-size: 17px;
  font-weight: 600;
  color: #d7e6f8;
  margin: 1.5em 0 0.5em;
}

.prose a:not(.btn) {
  color: var(--teal);
  border-bottom: 1px solid rgba(33, 203, 179, 0.4);
  padding-bottom: 1px;
  transition: color 0.22s ease, border-color 0.22s ease;
}

.prose a:not(.btn):hover {
  color: var(--kiwi);
  border-color: var(--kiwi);
}

.prose ul,
.prose ol {
  padding-left: 6px;
  margin: 1.3em 0;
}

.prose ul li {
  position: relative;
  padding-left: 24px;
  margin: 0.55em 0;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--kiwi);
  opacity: 0.85;
  transform: rotate(45deg);
}

.prose ol {
  counter-reset: prose-ol;
}

.prose ol li {
  position: relative;
  padding-left: 30px;
  counter-increment: prose-ol;
  margin: 0.55em 0;
}

.prose ol li::before {
  content: counter(prose-ol, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.08em;
  font-weight: 700;
  font-size: 14px;
  color: var(--kiwi);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.prose blockquote {
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: rgba(243, 201, 76, 0.07);
  padding: 16px 20px;
  border-radius: 0 14px 14px 0;
  color: rgba(228, 238, 252, 0.92);
  font-size: 15px;
}

.prose blockquote p {
  margin: 0;
}

.prose pre {
  background: #071018;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  color: #d8ffe1;
  direction: ltr;
  text-align: left;
}

.prose pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.prose code {
  background: rgba(168, 232, 48, 0.12);
  color: #d7ffbb;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.88em;
  font-family: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;
}

.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 2em auto;
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
}

.prose figure {
  margin: 2em 0;
  text-align: center;
}

.prose figure img {
  margin-bottom: 10px;
}

.prose figure figcaption {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.5em 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 1.8em 0;
  overflow-x: auto;
  display: block;
  max-width: 100%;
}

.prose table thead th {
  background: rgba(168, 232, 48, 0.1);
  color: #f1f7ff;
  font-weight: 700;
}

.prose table th,
.prose table td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
}

.prose table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.03);
}

.prose table tbody tr:hover {
  background: rgba(168, 232, 48, 0.06);
}

.prose iframe {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 0;
}

.prose .table-scroll {
  display: block;
  overflow-x: auto;
}

/* ---------- Article tags ---------- */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.article-tags .tag-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-right: 4px;
  line-height: 30px;
}

.article-tags a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(228, 238, 252, 0.06);
  border: 1px solid var(--line);
  color: rgba(228, 238, 252, 0.9);
  transition: all 0.22s ease;
}

.article-tags a:hover {
  background: rgba(168, 232, 48, 0.14);
  border-color: rgba(168, 232, 48, 0.4);
  color: var(--kiwi);
  transform: translateY(-2px);
}

/* ---------- Context navigation ---------- */
.article-nav-wrap {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.article-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Aside ---------- */
.article-aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 92px;
}

.side-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.side-card .side-kicker {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--kiwi);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.side-card h2 {
  font-size: 18px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.side-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 0;
}

.side-img {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}

.side-img img {
  width: 100%;
  height: 128px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.side-img:hover img {
  transform: scale(1.04);
}

.side-cat-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
}

.side-cat-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(201, 222, 255, 0.09);
  color: var(--text-muted);
  font-size: 15px;
  transition: color 0.22s ease, padding-left 0.22s ease;
}

.side-cat-list a:first-child {
  padding-top: 0;
}

.side-cat-list a:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.side-cat-list a .side-cat-name {
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-cat-list a .side-cat-name::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kiwi);
  opacity: 0.7;
  flex-shrink: 0;
}

.side-cat-list a .side-arrow {
  color: var(--text-weak);
  transition: transform 0.22s ease, color 0.22s ease;
}

.side-cat-list a:hover {
  color: var(--kiwi);
  padding-left: 6px;
}

.side-cat-list a:hover .side-arrow {
  transform: translateX(4px);
  color: var(--kiwi);
}

.side-card-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.side-card-info strong {
  color: rgba(228, 238, 252, 0.94);
  font-weight: 600;
}

.side-desc-box {
  background: rgba(168, 232, 48, 0.07);
  border-left: 3px solid var(--kiwi);
  border-radius: 10px;
  padding: 12px 14px;
  color: rgba(228, 238, 252, 0.85);
  font-size: 13px;
  line-height: 1.7;
  margin-top: 14px;
}

/* ---------- Not found ---------- */
.not-found {
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 70px 18px;
}

.not-found .not-found-card {
  max-width: 620px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 56px 34px;
  text-align: center;
  box-shadow: var(--shadow-float);
  position: relative;
  overflow: hidden;
}

.not-found .not-found-card::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 260px;
  height: 120px;
  background: radial-gradient(ellipse at center, rgba(168, 232, 48, 0.15), transparent 72%);
  transform: translateX(-50%);
  border-radius: 50%;
}

.not-found .nf-code {
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--kiwi);
  font-weight: 600;
}

.not-found h1 {
  font-size: 30px;
  margin-top: 10px;
  margin-bottom: 14px;
  color: var(--text);
}

.not-found p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 26px;
}

.not-found .nf-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
  padding-top: 58px;
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 232, 48, 0.35), transparent);
  opacity: 0.6;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) 0.8fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.site-footer .brand-text {
  font-size: 18px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.85;
  margin-top: 4px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-col h3 {
  font-size: 15px;
  color: #dff1ff;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 14px;
  position: relative;
  line-height: 1.6;
  transition: color 0.22s ease, transform 0.22s ease;
}

.footer-col a:hover {
  color: var(--kiwi);
  transform: translateX(4px);
}

.footer-note {
  color: var(--text-weak);
  font-size: 13px;
  line-height: 1.75;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 22px;
  color: var(--text-weak);
  font-size: 13px;
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 26px;
  }
}

@media (max-width: 900px) {
  .site-header {
    position: sticky;
  }

  .site-header .header-inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 10px;
    gap: 6px 16px;
  }

  .brand {
    order: 1;
  }

  .header-cta {
    order: 2;
    margin-left: auto;
  }

  .header-main {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .header-main::-webkit-scrollbar {
    display: none;
  }

  .main-nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 9px;
    width: max-content;
    min-width: 100%;
  }

  .nav-chip {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 0 15px;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 32px, 1180px);
  }

  .breadcrumb {
    margin-top: 18px;
  }

  .article-main {
    padding: 22px 18px;
    border-radius: 14px;
  }

  .article-head h1 {
    font-size: 25px;
    line-height: 1.42;
  }

  .article-meta {
    gap: 8px 14px;
    font-size: 13px;
  }

  .prose {
    font-size: 16px;
    line-height: 1.85;
  }

  .prose h2 {
    font-size: 21px;
  }

  .prose h3 {
    font-size: 18px;
  }

  .article-layout {
    padding-bottom: 40px;
  }

  .article-aside {
    grid-template-columns: 1fr;
  }

  .site-footer {
    padding-top: 42px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .site-header .header-inner {
    padding-top: 10px;
    padding-bottom: 8px;
  }

  .brand-text {
    font-size: 17px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .nav-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

  .breadcrumb .current {
    max-width: 220px;
  }

  .article-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .article-nav .btn {
    width: 100%;
  }

  .not-found-card {
    padding: 40px 20px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
    padding: 16px 0 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg:#07111F;
  --bg-2:#0C1B30;
  --glass:rgba(15,27,48,0.72);
  --card:#101F33;
  --text:#E4EEFC;
  --muted:#8AA0BC;
  --line:rgba(201,222,255,0.14);
  --lime:#A8E830;
  --lime-dark:#06141D;
  --yellow:#F3C94C;
  --teal:#21CBB3;
  --red:#FF5D65;
  --lime-glow:rgba(168,232,48,0.35);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(2,8,20,0.3);
  --font:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(600px 300px at 85% 10%, rgba(168,232,48,0.06), transparent 60%),
    radial-gradient(500px 300px at 5% 40%, rgba(33,203,179,0.05), transparent 60%);
  pointer-events:none;
  z-index:-1;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
button,input,textarea{font:inherit;color:inherit}
.container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  gap:8px;
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--lime);color:var(--lime-dark);box-shadow:0 10px 30px rgba(168,232,48,0.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(168,232,48,0.38)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,0.06);border-color:rgba(228,238,252,0.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px}
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,17,31,0.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:70px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:29px;
  height:29px;
  border-radius:50%;
  background:
    radial-gradient(circle at 32% 32%, #F3C94C 0 12%, transparent 13%),
    linear-gradient(135deg,#8FBF2E 0 48%,#A8E830 49% 100%);
  border:1px solid rgba(255,255,255,0.4);
  position:relative;
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:50%;
  border:1px solid rgba(6,20,29,0.3);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:0.02em;
  white-space:nowrap;
}
.header-main{flex:1;display:flex;justify-content:center}
.main-nav{display:flex;gap:8px;align-items:center}
.nav-chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:7px 17px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  border:1px solid transparent;
  transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.nav-chip:hover{color:var(--text);border-color:rgba(168,232,48,0.45);transform:translateY(-1px)}
.nav-chip.active{background:var(--lime);color:var(--lime-dark);font-weight:700;border-color:transparent}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-cta{display:inline-flex}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--line);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex-direction:column;
  gap:4px;
}
.nav-toggle .bar{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.section{padding:84px 0}
.section-alt{background:rgba(12,27,48,0.45)}
.section-head{max-width:820px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--lime);
  font-weight:600;
  letter-spacing:0.08em;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
.section-head h2{
  margin:0;
  font-size:34px;
  line-height:1.3;
  color:var(--text);
  font-weight:700;
}
.section-head p{color:var(--muted);font-size:16px;margin:16px 0 0;max-width:760px}
.page-hero{
  position:relative;
  padding:70px 0 78px;
  background:
    linear-gradient(90deg,rgba(7,17,31,0.98) 0%,rgba(7,17,31,0.78) 58%,rgba(7,17,31,0.46) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  color:var(--muted);
  font-size:13px;
  margin-bottom:18px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{opacity:0.6}
.crumbs .current{color:var(--text)}
.hero-title{
  margin:0;
  font-size:54px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:-0.01em;
  color:#fff;
}
.hero-title .accent{color:var(--lime)}
.hero-lead{
  margin:18px 0 0;
  max-width:660px;
  font-size:17px;
  line-height:1.85;
  color:#B7CAE2;
}
.hero-tools{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.anchor-chips{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-top:22px;
  border-top:1px solid rgba(201,222,255,0.12);
}
.anchor-chip{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:7px 16px;
  border:1px solid rgba(201,222,255,0.2);
  border-radius:999px;
  font-size:14px;
  color:#B7CAE2;
  background:rgba(255,255,255,0.03);
  transition:all .2s;
}
.anchor-chip:hover{color:var(--lime);border-color:var(--lime);background:rgba(168,232,48,0.08)}
.anchor-chip:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.split-grid{
  display:grid;
  grid-template-columns:1.02fr 0.98fr;
  align-items:center;
  gap:54px;
}
.split-media{
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(201,222,255,0.14);
  box-shadow:var(--shadow);
  transform:translateZ(0);
  position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:340px;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.02)}
.media-note{
  position:absolute;
  left:14px;
  bottom:14px;
  right:14px;
  background:rgba(7,17,31,0.72);
  border:1px solid rgba(168,232,48,0.24);
  border-radius:12px;
  padding:10px 14px;
  color:#D7E5F7;
  font-size:13px;
  backdrop-filter:blur(8px);
  display:flex;
  gap:10px;
  align-items:center;
}
.media-note::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--yellow);flex-shrink:0}
.split-content .section-head{margin-bottom:20px}
.lead-text{
  font-size:17px;
  line-height:1.9;
  color:#B7CAE2;
  margin:0 0 18px;
}
.notes-list{
  list-style:none;
  margin:20px 0 0;
  padding:0;
  display:grid;
  gap:14px;
}
.notes-list li{
  position:relative;
  padding-left:34px;
  color:#CDDaEC;
  font-size:15px;
}
.notes-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  width:20px;
  height:20px;
  border-radius:7px;
  background:rgba(168,232,48,0.12);
  border:1px solid rgba(168,232,48,0.4);
}
.notes-list li strong{color:var(--text);font-weight:600}
.topic-split{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.mono-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:50px;
  align-items:start;
}
.step-list{margin:0;padding:0;list-style:none;display:grid;gap:14px}
.step-list li{
  display:grid;
  grid-template-columns:52px 1fr auto;
  gap:20px;
  align-items:flex-start;
  background:rgba(16,31,51,0.7);
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px;
  cursor:default;
  transition:border-color .2s,transform .2s;
}
.step-list li:hover{border-color:rgba(168,232,48,0.45);transform:translateX(3px)}
.step-num{
  width:46px;
  height:46px;
  border-radius:13px;
  background:rgba(168,232,48,0.12);
  border:1px solid rgba(168,232,48,0.3);
  color:var(--lime);
  font-family:"DIN Alternate","Roboto Condensed",system-ui,sans-serif;
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
}
.step-body h3{margin:0 0 7px;font-size:17px;color:var(--text)}
.step-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.step-arrow{color:var(--muted);transition:color .2s,transform .2s;margin-top:8px}
.step-list li:hover .step-arrow{color:var(--lime);transform:translateX(4px)}
.monitor-card{
  background:
    linear-gradient(180deg,rgba(12,27,48,0.88),rgba(7,17,31,0.92)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border:1px solid rgba(168,232,48,0.2);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow);
}
.monitor-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
  flex-wrap:wrap;
  gap:12px;
}
.monitor-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.pulsing-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--red);
  box-shadow:0 0 0 0 rgba(255,93,101,0.5);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,93,101,0.45)}
  70%{box-shadow:0 0 0 9px rgba(255,93,101,0)}
  100%{box-shadow:0 0 0 0 rgba(255,93,101,0)}
}
.monitor-status{font-size:13px;color:var(--yellow)}
.live-stack{display:grid;gap:12px;margin-top:8px}
.live-row{
  position:relative;
  background:rgba(7,17,31,0.68);
  border:1px solid rgba(201,222,255,0.12);
  border-radius:13px;
  padding:14px 16px;
  transition:border-color .2s,background .2s;
}
.live-row:hover{border-color:rgba(168,232,48,0.35);background:rgba(16,31,51,0.62)}
.live-row-top{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:7px;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:22px;
  padding:2px 9px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.2;
}
.tag-lime{background:rgba(168,232,48,0.14);color:var(--lime);border:1px solid rgba(168,232,48,0.34)}
.tag-yellow{background:rgba(243,201,76,0.14);color:var(--yellow);border:1px solid rgba(243,201,76,0.3)}
.tag-teal{background:rgba(33,203,179,0.12);color:var(--teal);border:1px solid rgba(33,203,179,0.3)}
.live-meta{font-size:12px;color:var(--muted)}
.live-row h4{margin:0;font-size:15px;color:var(--text);font-weight:600}
.live-row p{margin:6px 0 0;font-size:13px;color:var(--muted);line-height:1.7}
.monitor-foot{
  margin-top:14px;
  font-size:12px;
  color:var(--muted);
  display:flex;
  gap:8px;
  align-items:center;
}
.monitor-foot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal)}
.way-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.way-card{
  position:relative;
  background:var(--card);
  border-radius:16px;
  padding:26px 22px 22px;
  border:1px solid var(--line);
  transition:transform .2s,border-color .2s,box-shadow .2s;
  overflow:hidden;
}
.way-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:3px;
  bottom:0;
  background:var(--lime);
  border-radius:0 3px 3px 0;
  opacity:0.55;
}
.way-card:hover{transform:translateY(-4px);border-color:rgba(168,232,48,0.4);box-shadow:var(--shadow)}
.way-icon{
  width:36px;
  height:36px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(168,232,48,0.12);
  border:1px solid rgba(168,232,48,0.3);
  margin-bottom:14px;
}
.way-card h3{margin:0 0 10px;font-size:17px;color:var(--text)}
.way-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}
.focus-wrap{
  display:grid;
  grid-template-columns:0.92fr 1.08fr;
  gap:52px;
  align-items:center;
}
.focus-copy .section-head{margin-bottom:16px}
.focus-copy p{color:var(--muted);font-size:16px;line-height:1.9;margin:14px 0}
.focus-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.focus-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:#D7E5F7;
  font-size:15px;
}
.focus-list li::before{
  content:"✓";
  flex-shrink:0;
  width:22px;
  height:22px;
  font-size:12px;
  background:rgba(168,232,48,0.14);
  color:var(--lime);
  border:1px solid rgba(168,232,48,0.32);
  border-radius:7px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-top:3px;
}
.focus-media{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.focus-media img{width:100%;height:100%;object-fit:cover;min-height:340px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:rgba(16,31,51,0.45);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s;
}
.faq-item summary{
  list-style:none;
  padding:19px 20px 19px 48px;
  position:relative;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  transition:color .2s;
  background:transparent;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:17px;
  top:21px;
  width:18px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
}
.faq-item summary::after{
  content:"";
  position:absolute;
  left:26px;
  top:12px;
  width:2px;
  height:18px;
  background:var(--lime);
  border-radius:2px;
  transition:transform .25s ease;
}
.faq-item[open]{
  border-color:rgba(168,232,48,0.34);
}
.faq-item[open] summary{color:var(--lime)}
.faq-item[open] summary::after{transform:rotate(90deg)}
.faq-answer{
  padding:0 22px 20px 48px;
  margin:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.cta-panel{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(168,232,48,0.2);
  padding:44px 44px 44px;
  background:
    linear-gradient(100deg,rgba(4,10,18,0.96) 0%,rgba(9,23,42,0.88) 60%,rgba(7,17,31,0.8) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:52px;
  box-shadow:var(--shadow);
}
.cta-content h2{margin:0;font-size:30px;line-height:1.35;color:#fff}
.cta-content p{margin:16px 0 24px;color:var(--muted);font-size:16px}
.cta-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.cta-list li{color:#B7CAE2;font-size:15px;padding-left:26px;position:relative}
.cta-list li::before{content:"→";position:absolute;left:0;color:var(--lime)}
.cta-form{
  background:rgba(7,17,31,0.8);
  border:1px solid rgba(201,222,255,0.16);
  border-radius:16px;
  padding:26px 24px;
  backdrop-filter:blur(8px);
}
.form-title{font-size:17px;font-weight:600;color:var(--text);margin:0 0 16px}
.field{margin-bottom:15px}
.field label{
  display:block;
  font-size:14px;
  color:#C7D6E9;
  margin-bottom:6px;
}
.field input,.field textarea{
  width:100%;
  background:#0A1626;
  border:1px solid rgba(201,222,255,0.24);
  border-radius:10px;
  padding:11px 14px;
  font-size:15px;
  color:var(--text);
  outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder,.field textarea::placeholder{color:#6F829E}
.field input:focus,.field textarea:focus{border-color:var(--lime);box-shadow:0 0 0 4px rgba(168,232,48,0.25)}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.site-footer{
  background:#050B14;
  border-top:1px solid rgba(201,222,255,0.09);
  padding:52px 0 30px;
  margin-top:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand-text{font-size:18px}
.footer-desc{color:#7E92AF;font-size:14px;line-height:1.8;margin:16px 0 0}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin:0 0 15px;
  letter-spacing:0.04em;
}
.footer-col a{
  display:block;
  color:#8497B3;
  font-size:14px;
  margin-bottom:9px;
  width:fit-content;
}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-note{color:#697B94;font-size:13px;line-height:1.75;margin:0}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  color:#5D708C;
  font-size:13px;
  border-top:1px solid rgba(201,222,255,0.08);
  margin-top:40px;
  padding-top:20px;
}
.footer-bottom a{color:#8497B3}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-title{font-size:42px}
  .section{padding:64px 0}
  .split-grid,.mono-grid,.focus-wrap{grid-template-columns:1fr;gap:32px}
  .way-grid{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:34px 26px}
}
@media (max-width:900px){
  .header-main{
    position:fixed;
    top:70px;
    left:0;
    right:0;
    background:rgba(7,17,31,0.96);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    display:none;
    padding:18px 20px 22px;
    box-shadow:var(--shadow);
  }
  .header-main.open{display:block}
  .main-nav{flex-direction:column;align-items:stretch;gap:6px}
  .nav-chip{min-height:44px;justify-content:center}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .header-inner{min-height:70px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:16px}
  .section{padding:52px 0}
  .hero-title{font-size:32px}
  .hero-lead{font-size:16px;line-height:1.8}
  .section-head h2{font-size:26px}
  .split-media img,.focus-media img{min-height:240px}
  .way-grid{grid-template-columns:1fr}
  .step-list li{grid-template-columns:44px 1fr}
  .step-arrow{display:none}
  .cta-panel{padding:28px 18px}
  .cta-content h2{font-size:25px}
  .footer-bottom{flex-direction:column;justify-content:flex-start}
  .monitor-card{padding:17px}
  .nav-toggle{width:40px;height:40px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.001s!important;transition-duration:0.001s!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root {
            --page: #07111F;
            --bg2: #0C1B30;
            --surface: #101F33;
            --glass: rgba(15, 27, 48, 0.72);
            --line: rgba(201, 222, 255, 0.14);
            --text: #E4EEFC;
            --muted: #8AA0BC;
            --kiwi: #A8E830;
            --kiwi-dark: #06141D;
            --kiwi-glow: rgba(168, 232, 48, 0.35);
            --yellow: #F3C94C;
            --teal: #21CBB3;
            --red: #FF5D65;
            --input: #0A1626;
            --placeholder: #6F829E;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 12px 30px rgba(2, 8, 20, 0.3);
            --shadow-cta: 0 10px 30px rgba(168, 232, 48, 0.28);
            --font: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            --num-font: DIN Alternate, "Roboto Condensed", system-ui, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background:
                radial-gradient(1100px 520px at 86% -8%, rgba(168, 232, 48, 0.10), transparent 60%),
                radial-gradient(900px 480px at 4% 8%, rgba(33, 203, 179, 0.08), transparent 55%),
                var(--page);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        textarea {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 42px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.3;
            transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
        }

        .btn:focus-visible {
            outline: 2px solid var(--kiwi);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--kiwi);
            color: var(--kiwi-dark);
            box-shadow: var(--shadow-cta);
        }

        .btn-primary:hover {
            background: #b8f847;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(168, 232, 48, 0.34);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(168, 232, 48, 0.7);
            color: #fff;
        }

        .btn-sm {
            min-height: 36px;
            padding: 7px 16px;
            font-size: 14px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 17, 31, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
        }

        .header-inner {
            height: 76px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }

        .brand-mark {
            width: 32px;
            height: 32px;
            flex: none;
            border-radius: 50%;
            background: radial-gradient(circle at 52% 38%, #ffffff 0 6%, #F3C94C 8% 17%, #dfecba 20% 27%, #A8E830 30% 68%, #73aa16 68% 100%);
            box-shadow: inset -2px -2px 5px rgba(0, 0, 0, 0.18), 0 0 0 2px rgba(168, 232, 48, 0.24);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #f0f7ff;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .header-main {
            margin-left: auto;
            margin-right: auto;
            display: flex;
            align-items: center;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 7px 18px;
            border-radius: 999px;
            border: 1px solid transparent;
            color: #c6d6ef;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
        }

        .nav-chip:hover {
            color: #fff;
            background: rgba(168, 232, 48, 0.08);
            border-color: rgba(168, 232, 48, 0.35);
        }

        .nav-chip.active {
            background: var(--kiwi);
            color: var(--kiwi-dark);
            font-weight: 700;
            box-shadow: 0 0 0 3px rgba(168, 232, 48, 0.14);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--kiwi);
            outline-offset: 3px;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .nav-toggle .bar {
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: #dceafb;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .nav-open .bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-open .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-open .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .cat-hero {
            position: relative;
            overflow: hidden;
            padding: 72px 0 62px;
            border-bottom: 1px solid var(--line);
            background:
                linear-gradient(78deg, rgba(5, 12, 23, 0.98) 0%, rgba(7, 17, 31, 0.95) 46%, rgba(7, 17, 31, 0.78) 100%),
                url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: radial-gradient(circle at 72% 20%, rgba(168, 232, 48, 0.18), transparent 42%);
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb a {
            color: #b9d0e8;
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: var(--kiwi);
        }

        .breadcrumb span[aria-current="page"] {
            color: var(--yellow);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            margin-top: 20px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(168, 232, 48, 0.28);
            background: rgba(168, 232, 48, 0.07);
            color: #cfe6bc;
            font-size: 13px;
        }

        .cat-hero h1 {
            margin: 18px 0 16px;
            font-size: clamp(40px, 6vw, 70px);
            line-height: 1.08;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .hero-lead {
            max-width: 680px;
            margin: 0;
            color: #c3d2e8;
            font-size: 17px;
            line-height: 1.85;
        }

        .hero-subnav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 34px;
        }

        .sub-link {
            display: inline-flex;
            align-items: center;
            min-height: 40px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(201, 222, 255, 0.2);
            font-size: 14px;
            color: #d3e1f4;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
        }

        .sub-link:hover {
            background: rgba(168, 232, 48, 0.12);
            border-color: rgba(168, 232, 48, 0.55);
            color: #fff;
            transform: translateY(-1px);
        }

        .sub-link:focus-visible {
            outline: 2px solid var(--kiwi);
            outline-offset: 3px;
        }

        .cat-section {
            padding: 84px 0;
            border-bottom: 1px solid var(--line);
        }

        .section-head {
            max-width: 800px;
            margin-bottom: 36px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            font-size: 14px;
            font-weight: 700;
            color: var(--kiwi);
            letter-spacing: 0.02em;
        }

        .section-h2 {
            margin: 12px 0 18px;
            font-size: clamp(26px, 4vw, 36px);
            line-height: 1.28;
            letter-spacing: -0.01em;
            color: #f1f6ff;
        }

        .section-desc {
            margin: 0;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .intro-section {
            background: linear-gradient(180deg, #0c1b30 0%, #07111f 100%);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1.04fr 0.96fr;
            gap: 40px;
            align-items: center;
        }

        .showcase-media {
            position: relative;
            height: 370px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-card);
        }

        .showcase-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .glass-info {
            position: absolute;
            left: 16px;
            bottom: 16px;
            max-width: calc(100% - 32px);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 12px;
            background: var(--glass);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: #e3f1d4;
            font-size: 13px;
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.26);
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--kiwi);
            box-shadow: 0 0 0 0 rgba(168, 232, 48, 0.6);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(168, 232, 48, 0.5);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(168, 232, 48, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(168, 232, 48, 0);
            }
        }

        .showcase-content h3 {
            margin: 0 0 12px;
            font-size: 22px;
            color: #edf4ff;
        }

        .showcase-content p {
            margin: 0 0 20px;
            color: #aec1dd;
            line-height: 1.85;
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 0 0 26px;
            display: grid;
            gap: 12px;
        }

        .check-list li {
            position: relative;
            padding-left: 30px;
            color: #cddcef;
            line-height: 1.7;
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 1px;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(168, 232, 48, 0.16);
            color: var(--kiwi);
            font-size: 12px;
            font-weight: 900;
        }

        .route-section {
            background: var(--bg2);
        }

        .route-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 34px;
        }

        .route-head .section-head {
            margin-bottom: 0;
        }

        .route-side-note {
            max-width: 250px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            text-align: right;
        }

        .route-list {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .route-item {
            display: grid;
            grid-template-columns: 92px 1fr auto;
            gap: 24px;
            align-items: center;
            padding: 22px 26px;
            border-bottom: 1px solid var(--line);
            transition: background 0.22s ease;
        }

        .route-item:last-child {
            border-bottom: 0;
        }

        .route-item:hover {
            background: rgba(168, 232, 48, 0.04);
        }

        .route-index {
            font-family: var(--num-font);
            font-size: 32px;
            font-weight: 800;
            color: rgba(243, 201, 76, 0.6);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .route-main h3 {
            margin: 0 0 6px;
            font-size: 18px;
            color: #e2edfb;
            line-height: 1.4;
        }

        .route-main p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
        }

        .route-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #d6e6f9;
            font-size: 14px;
            transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }

        .route-link:hover {
            color: var(--kiwi-dark);
            background: var(--kiwi);
            border-color: var(--kiwi);
            transform: translateX(2px);
        }

        .route-link:focus-visible {
            outline: 2px solid var(--kiwi);
            outline-offset: 3px;
        }

        .scene-row {
            display: grid;
            grid-template-columns: 150px 1fr 150px;
            gap: 24px;
            align-items: center;
            padding: 28px 4px;
            border-top: 1px solid var(--line);
        }

        .scene-row:last-child {
            border-bottom: 1px solid var(--line);
        }

        .scene-stage {
            font-size: 15px;
            font-weight: 700;
            color: var(--kiwi);
            display: inline-flex;
            align-items: center;
            min-height: 36px;
            gap: 8px;
        }

        .scene-stage::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--kiwi);
            box-shadow: 0 0 0 5px rgba(168, 232, 48, 0.14);
        }

        .scene-copy h3 {
            margin: 0 0 6px;
            font-size: 20px;
            color: #e8f1fe;
            line-height: 1.4;
        }

        .scene-copy p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .scene-tag {
            color: var(--yellow);
            font-size: 14px;
            text-align: right;
            font-weight: 600;
        }

        .relation-section {
            background: #08121f;
        }

        .relation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .relation-card {
            display: block;
            height: 100%;
            padding: 24px 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(168, 232, 48, 0.07), transparent 55%), var(--surface);
            transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
        }

        .relation-card:hover {
            border-color: rgba(168, 232, 48, 0.6);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .relation-card:focus-visible {
            outline: 2px solid var(--kiwi);
            outline-offset: 4px;
        }

        .relation-card b {
            display: block;
            font-size: 18px;
            color: #eef5ff;
            margin-bottom: 8px;
        }

        .relation-card p {
            margin: 0 0 14px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .relation-arrow {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--kiwi);
            font-size: 14px;
            font-weight: 600;
        }

        .relation-arrow::after {
            content: "→";
            transition: transform 0.2s ease;
        }

        .relation-card:hover .relation-arrow::after {
            transform: translateX(4px);
        }

        .faq-section {
            background: linear-gradient(180deg, #0c1b30 0%, #07111f 100%);
        }

        .faq-list {
            max-width: 880px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: #0e1e33;
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(168, 232, 48, 0.4);
        }

        .faq-item[open] {
            border-color: rgba(168, 232, 48, 0.5);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary h3 {
            margin: 0;
            font-size: 17px;
            line-height: 1.5;
            color: #dbeaf9;
            font-weight: 600;
            transition: color 0.2s ease;
        }

        .faq-item[open] summary h3 {
            color: var(--kiwi);
        }

        .faq-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: none;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.24);
            color: #dce7f5;
            font-size: 18px;
            line-height: 1;
            transition: transform 0.3s ease, color 0.3s ease, border-color 0.3s ease;
        }

        .faq-item[open] .faq-arrow {
            transform: rotate(45deg);
            color: var(--kiwi);
            border-color: rgba(168, 232, 48, 0.7);
        }

        .faq-answer {
            margin: 0;
            padding: 0 22px 20px;
            color: #9fb4d1;
            font-size: 15px;
            line-height: 1.85;
        }

        .cta-banner {
            background:
                linear-gradient(90deg, rgba(4, 11, 20, 0.96) 0%, rgba(7, 17, 31, 0.92) 45%, rgba(7, 17, 31, 0.78) 100%),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            padding: 86px 0;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 52px;
            align-items: center;
        }

        .cta-copy .eyebrow {
            color: var(--kiwi);
        }

        .cta-copy h2 {
            margin: 14px 0 16px;
            font-size: clamp(26px, 4vw, 40px);
            line-height: 1.25;
            color: #f0f6ff;
        }

        .cta-copy p {
            margin: 0;
            color: #bcc9e0;
            line-height: 1.85;
        }

        .contact-card {
            background: rgba(15, 27, 48, 0.88);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .form-grid {
            display: grid;
            gap: 16px;
        }

        .form-group {
            display: grid;
            gap: 7px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: #d5e2f4;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            background: var(--input);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 11px 14px;
            color: #eff6ff;
            font-size: 15px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-input::placeholder,
        .form-textarea::placeholder {
            color: var(--placeholder);
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--kiwi);
            box-shadow: 0 0 0 4px rgba(168, 232, 48, 0.22);
        }

        .form-textarea {
            min-height: 88px;
            resize: vertical;
        }

        .form-message {
            margin: 12px 0 0;
            padding: 10px 14px;
            border-radius: 12px;
            background: rgba(33, 203, 179, 0.13);
            border: 1px solid rgba(33, 203, 179, 0.3);
            color: #6ce5cf;
            font-size: 14px;
        }

        .site-footer {
            background: #050B14;
            padding: 64px 0 0;
            border-top: 1px solid var(--line);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.15fr;
            gap: 32px;
        }

        .footer-brand .brand-text {
            color: #f1f6ff;
        }

        .footer-desc {
            margin: 16px 0 0;
            color: #7187a5;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-col h3 {
            margin: 0 0 14px;
            font-size: 16px;
            color: #e2edfa;
        }

        .footer-col a {
            display: block;
            margin-bottom: 8px;
            color: #8299b8;
            font-size: 14px;
            transition: color 0.2s ease;
            width: fit-content;
        }

        .footer-col a:hover {
            color: var(--kiwi);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .footer-note {
            margin: 0;
            color: #607894;
            font-size: 13px;
            line-height: 1.8;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 20px 0;
            border-top: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            color: #617896;
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .showcase-media {
                height: 320px;
            }

            .relation-grid {
                grid-template-columns: 1fr;
            }

            .route-item {
                grid-template-columns: 72px 1fr auto;
                gap: 16px;
                padding: 20px;
            }

            .scene-row {
                grid-template-columns: 120px 1fr;
            }

            .scene-tag {
                text-align: left;
                grid-column: 2;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                gap: 34px;
            }
        }

        @media (max-width: 900px) {
            .site-header .container {
                padding: 0 16px;
            }

            .header-inner {
                height: 66px;
                gap: 12px;
            }

            .brand-text {
                font-size: 17px;
            }

            .header-main {
                position: absolute;
                top: 66px;
                left: 0;
                right: 0;
                display: block;
                padding: 8px 16px 18px;
                background: rgba(6, 13, 23, 0.98);
                border-bottom: 1px solid var(--line);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-6px);
                transition: opacity 0.22s ease, visibility 0.22s ease, transform 0.22s ease;
            }

            .nav-open .header-main {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-chip {
                display: flex;
                width: 100%;
                min-height: 44px;
                border-radius: 12px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-cta {
                display: none;
            }

            .cat-hero {
                padding: 54px 0 48px;
            }

            .cat-section {
                padding: 58px 0;
            }

            .route-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .route-side-note {
                text-align: left;
                max-width: 520px;
            }

            .cta-banner {
                padding: 62px 0;
            }
        }

        @media (max-width: 680px) {
            .container {
                padding: 0 16px;
            }

            .hero-subnav {
                gap: 8px;
            }

            .sub-link {
                min-height: 40px;
                padding: 7px 14px;
                font-size: 13px;
            }

            .showcase-media {
                height: 240px;
            }

            .showcase-media img {
                object-position: center;
            }

            .route-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 18px;
            }

            .route-index {
                font-size: 22px;
            }

            .route-link {
                width: fit-content;
            }

            .scene-row {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 26px 0;
            }

            .scene-tag {
                grid-column: auto;
                text-align: left;
            }

            .faq-item summary {
                padding: 16px 16px;
            }

            .faq-item summary h3 {
                font-size: 16px;
            }

            .faq-arrow {
                width: 24px;
                height: 24px;
                font-size: 16px;
            }

            .faq-answer {
                padding: 0 16px 16px;
            }

            .contact-card {
                padding: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .cat-section .section-head .section-h2 {
                font-size: 26px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }