/* roulang page: index */
:root{
  --bg-base:#0a1424;
  --bg-deep:#07101c;
  --bg-soft:#101f33;
  --glass-bg:rgba(255,255,255,0.06);
  --glass-bg-strong:rgba(255,255,255,0.1);
  --glass-border:rgba(255,255,255,0.14);
  --glass-highlight:inset 0 1px 0 rgba(255,255,255,0.2);
  --accent:#34e5b4;
  --accent-deep:#1dca99;
  --accent-ink:#06261c;
  --accent-blue:#4f8dff;
  --signal:#ffc46b;
  --text-title:#eef5ff;
  --text-body:#b7c6da;
  --text-muted:#7e93ab;
  --radius-xs:6px;
  --radius-md:16px;
  --radius-lg:24px;
  --radius-full:999px;
  --shadow-accent:0 0 22px rgba(46,229,178,0.35);
  --shadow-card:0 18px 45px rgba(0,0,0,0.28);
  --font-stack:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","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-stack);
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  pointer-events:none;
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(52,229,180,0.12), transparent 60%),
    radial-gradient(700px 320px at -10% 30%, rgba(79,141,255,0.08), transparent 55%),
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
  z-index:0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.35;color:var(--text-title);font-weight:800;letter-spacing:-0.01em}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:clamp(1.2rem,2vw,1.45rem)}
p{max-width:62em}
.container{
  max-width:1280px;
  margin-inline:auto;
  padding-inline:24px;
  position:relative;
  z-index:2;
}
.section{padding:96px 0;position:relative}
.section-bg{
  background:linear-gradient(180deg,rgba(10,20,36,0) 0%,rgba(16,31,51,0.5) 20%,rgba(10,20,36,0) 100%);
}
.section-head{max-width:820px;margin-bottom:52px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--accent);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 12px rgba(52,229,180,.7);
}
.section-sub{margin-top:18px;font-size:16px;color:var(--text-body)}
.split-copy-tools{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}

/* header nav */
.site-header{
  position:sticky;
  top:14px;
  z-index:80;
  padding:0 24px;
  pointer-events:none;
}
.header-inner{
  pointer-events:auto;
  max-width:1280px;
  margin-inline:auto;
  background:linear-gradient(135deg,rgba(16,31,51,0.88),rgba(7,16,28,0.72));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-highlight),var(--shadow-card);
  border-radius:var(--radius-full);
  padding:10px 18px 10px 22px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  white-space:nowrap;
}
.brand-badge{
  width:42px;height:42px;
  display:grid;place-items:center;
  flex:0 0 auto;
  font-size:22px;
  font-weight:900;
  color:var(--accent-ink);
  background:linear-gradient(135deg,#3cf0bd,#1cbf96);
  border-radius:14px;
  box-shadow:var(--shadow-accent);
}
.brand-name{
  font-weight:800;
  font-size:18px;
  color:var(--text-title);
  letter-spacing:.01em;
}
.nav-links{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:4px;
  flex-wrap:nowrap;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  padding:9px 16px;
  border-radius:var(--radius-full);
  font-size:14px;
  color:var(--text-body);
  line-height:1.2;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.nav-links a:hover{
  background:rgba(52,229,180,.1);
  color:var(--accent);
}
.nav-links a.active{
  background:rgba(52,229,180,.14);
  color:var(--accent);
  box-shadow:inset 0 -2px 0 rgba(52,229,180,.7),0 0 14px rgba(52,229,180,.1);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:14px;
}
.nav-btn{
  flex:0 0 auto;
  padding:10px 20px;
  border-radius:var(--radius-full);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  box-shadow:var(--glass-highlight);
  color:var(--text-title);
  font-size:14px;
  font-weight:600;
  transition:all .18s ease;
  white-space:nowrap;
}
.nav-btn:hover{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.5);
  transform:translateY(-1px);
}
.nav-btn:active{transform:scale(.98)}
.mobile-switch{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  color:var(--text-title);
  cursor:pointer;
  place-items:center;
  font-size:20px;
  pointer-events:auto;
}
.mobile-layer{
  display:none;
}

/* buttons */
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 28px;
  border-radius:var(--radius-full);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  transition:all .2s ease;
  outline:none;
  border:none;
}
.btn-main{
  background:linear-gradient(135deg,#3cf0bd,#1cbf96);
  color:var(--accent-ink);
  box-shadow:var(--shadow-accent);
}
.btn-main:hover{
  transform:translateY(-2px);
  box-shadow:0 0 32px rgba(52,229,180,.5);
}
.btn-main:focus-visible{
  outline:2px solid #fff;
  outline-offset:4px;
}
.btn-main:active{
  transform:translateY(0) scale(.98);
  background:linear-gradient(135deg,#2fd9ad,#18b489);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.22);
  color:#d7e3f2;
  box-shadow:var(--glass-highlight);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.42);
  box-shadow:0 0 16px rgba(255,255,255,.04);
}
.btn-ghost:focus-visible{
  outline:2px solid rgba(52,229,180,.8);
  outline-offset:4px;
}

/* hero */
.hero{
  min-height:88vh;
  min-height:640px;
  display:flex;
  align-items:center;
  position:relative;
  margin-top:-74px;
  padding:140px 0 90px;
  background:linear-gradient(180deg,rgba(7,16,28,.82),rgba(10,20,36,.55),rgba(10,20,36,.98)),url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  isolation:isolate;
}
.hero-content{max-width:900px}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  padding:7px 14px;
  border-radius:var(--radius-full);
  font-size:13px;
  color:var(--accent);
  font-weight:600;
  letter-spacing:.03em;
}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  line-height:1.25;
  margin:24px 0 22px;
  text-wrap:balance;
}
.hero h1 em{
  font-style:normal;
  color:var(--accent);
  text-shadow:0 0 28px rgba(52,229,180,.35);
}
.hero-desc{
  font-size:18px;
  max-width:680px;
  color:#c6d4e6;
  margin-bottom:34px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta-chips{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:42px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:auto;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-full);
  padding:8px 16px;
  font-size:13px;
  color:var(--text-body);
  box-shadow:var(--glass-highlight);
}
.chip i{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px var(--accent);
  display:inline-block;
}

/* feature tile / two-col */
.brand-section{
  background:linear-gradient(180deg,rgba(10,20,36,0),rgba(16,31,51,.6),rgba(10,20,36,0));
}
.brand-tile{
  border-radius:28px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-highlight);
  overflow:hidden;
  position:relative;
}
.brand-tile-inner{padding:48px 46px}
.brand-tile h3{
  font-size:clamp(1.4rem,2.6vw,2rem);
  margin:12px 0 16px;
}
.tick-list{display:grid;gap:14px;margin-top:28px}
.tick-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:var(--text-body);
}
.tick-list li svg{flex:0 0 auto;margin-top:5px;color:var(--accent)}
.tile-chart{
  min-height:420px;
  background:
    linear-gradient(180deg,rgba(7,16,28,.4),rgba(10,20,36,.82)),
    url('/assets/images/coverpic/cover-1.webp') center center / cover no-repeat;
  border-radius:28px;
  border:1px solid var(--glass-border);
  display:flex;
  align-items:flex-end;
  padding:30px;
  box-shadow:var(--glass-highlight);
}
.tile-chart p{
  font-size:14px;
  color:var(--text-body);
  background:rgba(7,16,28,.66);
  padding:12px 16px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
}

/* featured card */
.feature-section{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.feature-grid-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-bottom:24px;
}
.feature-grid-small{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:24px;
}
.feature-card{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  box-shadow:var(--glass-highlight);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;
  flex-direction:column;
  min-height:320px;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 45px rgba(0,0,0,.32),0 0 0 1px rgba(52,229,180,.2);
}
.feature-card::after{
  content:"";
  pointer-events:none;
  position:absolute;
  left:12%;right:12%;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(52,229,180,.8),transparent);
  opacity:0;
  transform:scaleX(.6);
  transition:opacity .25s ease,transform .25s ease;
}
.feature-card:hover::after{opacity:1;transform:scaleX(1)}
.feature-card__media{
  height:200px;
  overflow:hidden;
  position:relative;
  flex:0 0 auto;
}
.feature-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.feature-card:hover .feature-card__media img{transform:scale(1.05)}
.feature-card__media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,28,0) 28%,rgba(7,16,28,.6));
}
.feature-card__body{
  padding:22px 24px 26px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.card-tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--accent);
  background:rgba(52,229,180,.1);
  border-radius:var(--radius-full);
  padding:3px 12px;
  border:1px solid rgba(52,229,180,.24);
}
.feature-card .card-tag{
  position:absolute;
  z-index:3;
  left:18px;top:18px;
  background:rgba(7,16,28,.75);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);
  color:var(--text-title);
}
.feature-card__body h3{margin-top:4px}
.feature-card__body p{
  font-size:14px;
  margin-top:10px;
  flex:1;
}
.card-link{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-size:14px;
  font-weight:600;
}
.card-link:hover{color:#7cf1d2}
.card-link svg{transition:transform .2s ease}
.card-link:hover svg{transform:translateX(4px)}

/* data strip */
.data-strip{
  background:
    linear-gradient(rgba(7,16,28,.86),rgba(7,16,28,.86)),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.data-grid{
  display:grid;
  grid-template-columns:1.2fr .6fr .6fr .8fr;
  gap:20px;
}
.data-cell{
  border-radius:20px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--glass-highlight);
  padding:24px;
  min-height:128px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.data-num{
  font-size:clamp(2rem,4vw,3rem);
  font-weight:900;
  color:var(--text-title);
  line-height:1.2;
}
.data-num small{
  font-size:16px;
  font-weight:600;
  color:var(--accent);
  margin-left:2px;
}
.data-label{font-size:14px;color:var(--text-muted);margin-top:6px}

/* news cms block */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.news-more{
  flex:0 0 auto;
  color:var(--accent);
  border-bottom:1px solid transparent;
  font-weight:600;
  transition:border-color .2s ease;
}
.news-more:hover{border-color:var(--accent)}
.news-shell{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  box-shadow:var(--glass-highlight);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.news-list-item{
  display:grid;
  grid-template-columns:120px 1fr auto;
  grid-template-rows:auto auto;
  column-gap:20px;
  align-items:center;
  padding:20px 24px;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .16s ease,transform .16s ease;
  background:rgba(255,255,255,.02);
}
.news-list-item:last-child{border-bottom:0}
.news-list-item:hover{
  background:rgba(255,255,255,.06);
  transform:translateX(4px);
}
.news-thumb{
  grid-row:1 / span 2;
  width:120px;
  height:84px;
  border-radius:var(--radius-xs);
  background:linear-gradient(135deg,var(--bg-soft),var(--bg-deep));
  border:1px solid rgba(255,255,255,.08);
  display:grid;
  place-items:center;
  overflow:hidden;
}
.news-thumb span{
  font-size:12px;
  color:var(--text-muted);
  letter-spacing:.08em;
}
.news-info{min-width:0}
.news-info .news-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:12px;
  color:var(--text-muted);
  margin-top:6px;
}
.news-cat{
  color:var(--accent);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.news-cat::before{
  content:"";
  width:1px;height:12px;
  background:var(--accent);
  transform:rotate(20deg);
}
.news-date{
  color:var(--signal);
  font-variant-numeric:tabular-nums;
}
.news-title{
  font-weight:700;
  font-size:16px;
  color:var(--text-title);
  transition:color .15s ease;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-title:hover{color:var(--accent)}
.news-excerpt{
  margin-top:4px;
  color:var(--text-muted);
  font-size:13px;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-read{
  grid-column:3;
  grid-row:1 / span 2;
  align-self:center;
  color:var(--text-muted);
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  transition:color .2s ease;
  white-space:nowrap;
}
.news-read:hover{color:var(--accent)}
.news-empty{
  min-height:96px;
  display:grid;
  place-items:center;
  color:var(--text-muted);
  font-size:14px;
}

/* FAQ */
.faq-wrap{max-width:860px;margin-top:10px}
.faq-item{
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:17px;
  font-weight:700;
  color:var(--text-title);
  user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  width:34px;height:34px;
  border-radius:50%;
  background:rgba(52,229,180,.12);
  border:1px solid rgba(52,229,180,.35);
  color:var(--accent);
  display:grid;
  place-items:center;
  font-size:18px;
  flex:0 0 auto;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--accent);color:var(--accent-ink)}
.faq-item[open]{
  border-color:rgba(52,229,180,.35);
  background:rgba(52,229,180,.07);
}
.faq-ans{
  padding:0 28px 26px;
  font-size:15px;
  color:var(--text-body);
}
.faq-ans p{margin-bottom:8px;max-width:64em}
.faq-ans ul li{
  padding-left:18px;
  position:relative;
}
.faq-ans ul li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
}

/* CTA TRANSITION + footer */
.cta-zone{
  position:relative;
  overflow:hidden;
  padding:90px 0 96px;
}
.cta-backdrop{
  position:absolute;
  inset:20px;
  border-radius:40px;
  background:
    linear-gradient(180deg,rgba(7,16,28,.45),rgba(7,16,28,.9)),
    url('/assets/images/coverpic/cover-6.png') center center / cover no-repeat;
  border:1px solid var(--glass-border);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
  z-index:1;
}
.cta-content{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:720px;
  margin-inline:auto;
}
.cta-content h2{
  margin-bottom:16px;
}
.cta-content p{
  margin-inline:auto;
  font-size:16px;
}
.cta-tool-card{
  max-width:680px;
  margin:38px auto 0;
  background:rgba(7,16,28,.62);
  border:1px solid rgba(255,255,255,.16);
  border-radius:24px;
  padding:26px;
  box-shadow:var(--glass-highlight);
  backdrop-filter:blur(14px);
}
.subscribe-form{
  display:grid;
  grid-template-columns:1fr auto;
  gap:14px;
  text-align:left;
}
.input-box{
  display:flex;
  align-items:center;
  gap:4px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-full);
  padding:0 4px 0 20px;
  min-height:48px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.input-box:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(52,229,180,.14);
}
.input-box input{
  flex:1;
  background:transparent;
  border:none;
  outline:none;
  color:var(--text-title);
  font-size:15px;
  min-height:46px;
}
.input-box input::placeholder{color:var(--text-muted)}
.btn-submit{
  white-space:nowrap;
}
.btn-submit:disabled{
  filter:grayscale(.5) brightness(.6);
  box-shadow:none;
  transform:none;
  cursor:not-allowed;
}
.form-sec-note{
  margin-top:12px;
  text-align:left;
  font-size:12px;
  color:var(--text-muted);
}
footer{
  position:relative;
  z-index:1;
  background:#06101b;
  border-top:1px solid rgba(255,255,255,.07);
  padding:76px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .9fr .9fr 1fr;
  gap:40px;
}
.footer-brand .brand-badge{margin-bottom:14px}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  max-width:32em;
  color:var(--text-muted);
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--text-title);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-link-list li{margin-bottom:10px}
.footer-link-list a{
  color:var(--text-muted);
  font-size:14px;
  transition:color .16s ease;
}
.footer-link-list a:hover{color:var(--accent)}
.footer-linked{border-top:1px solid rgba(255,255,255,.08);margin-top:54px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-muted)}
.footer-linked a{color:var(--text-muted)}
.footer-linked a:hover{color:var(--accent)}

@media (max-width:1200px){
  .nav-links a{padding:8px 10px;font-size:13px}
  .hero-actions,.nav-links{flex-wrap:wrap}
  .data-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .site-header{top:0;padding:9px 14px}
  .header-inner{border-radius:20px;flex-wrap:wrap}
  .nav-cta{display:none}
  .nav-links{
    display:none;
    position:fixed;
    inset:0;
    z-index:95;
    background:var(--bg-deep);
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:14px;
    padding:40px;
  }
  .nav-links a{
    font-size:17px;padding:14px 30px;
    border:1px solid var(--glass-border);
  }
  .mobile-layer{
    display:block;
    position:fixed;inset:0;z-index:87;
    background:rgba(6,12,24,.66);
    opacity:0;visibility:hidden;
    transition:opacity .2s ease;
  }
  .mobile-switch{display:grid}
  .nav-open .nav-links{display:flex}
  .nav-open .mobile-layer{opacity:1;visibility:visible}
  /* mobile drawer style could be overridden by JS logic */
  .brand-name{font-size:15px}
  .feature-grid-small{grid-template-columns:1fr 1fr}
  .feature-card__media{height:190px}
  .hero{margin-top:-74px}
  .site-header.is-open .header-inner{flex-wrap:nowrap}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{min-height:auto;padding-top:120px;padding-bottom:70px}
  .split-copy-tools,.feature-grid-row,.news-list-item{grid-template-columns:1fr}
  .feature-card--double{grid-column:auto}
  .feature-grid-small{grid-template-columns:1fr}
  .feature-card{min-height:auto}
  .data-cell{min-height:auto}
  .news-list-item{display:block;padding:18px}
  .news-thumb{display:none}
  .news-read{margin-top:12px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .subscribe-form{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;max-width:none}
  .faq-item summary{font-size:16px;padding:18px 20px}
  .faq-ans{padding:0 20px 22px}
  .container{padding-inline:16px}
  .site-header{padding:8px 10px}
  .header-inner{padding:9px 12px}
}
@media (max-width:520px){
  .brand-name{max-width:9em;white-space:normal;line-height:1.3}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .data-grid{grid-template-columns:1fr}
  .hero-kicker{font-size:12px}
  .btn-main,.btn-ghost{width:100%}
  .feature-grid-row,.feature-grid-small{gap:14px}
  .news-shell{border-radius:18px}
  .brand-badge{width:36px;height:36px;font-size:18px;border-radius:12px}
  .header-inner{border-radius:16px}
  .nav-links{gap:10px;padding:24px}
  .nav-links a{margin:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.01ms!important;
    animation-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category1 */
:root {
  --bg-base: #0a1424;
  --bg-deep: #07101c;
  --bg-soft: #101f33;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-bg-strong: rgba(255,255,255,0.1);
  --glass-border: rgba(255,255,255,0.14);
  --glass-highlight: inset 0 1px 0 rgba(255,255,255,0.2);
  --accent: #34e5b4;
  --accent-hover: #1dca99;
  --accent-ink: #06261c;
  --accent-blue: #4f8dff;
  --signal: #ffc46b;
  --text-title: #eef5ff;
  --text-body: #b7c6da;
  --text-muted: #7e93ab;
  --radius-sm: 6px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-btn: 0 0 22px rgba(46,229,178,0.35);
  --shadow-card: 0 12px 40px rgba(0,0,0,0.3);
  --max-width: 1280px;
  --space-section: 96px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { background-color: var(--bg-base); font-family: var(--font-sans); line-height: 1.8; color: var(--text-body); text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: 1rem; border: none; outline: none; background: transparent; color: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; }
body::before { content:""; position: fixed; top:0; left:0; width:100%; height:100%; background-image: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.02) 0%, transparent 60%); z-index:-1; pointer-events:none; }

/* Header Nav */
.page-header { position: sticky; top: 12px; z-index: 100; padding: 0 20px; max-width: 1400px; margin: 12px auto 0; }
.nav-panel { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: rgba(7,16,28,0.8); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-pill); padding: 10px 24px; box-shadow: 0 8px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05); }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-badge { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, rgba(52,229,180,0.3), rgba(52,229,180,0.1)); border: 1px solid rgba(52,229,180,0.4); display: flex; align-items: center; justify-content: center; color: var(--accent); font-weight: 800; font-size: 1.2rem; }
.brand-name { color: var(--text-title); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { padding: 8px 16px; border-radius: var(--radius-pill); color: var(--text-muted); font-size: 0.9rem; transition: all 0.16s ease; white-space: nowrap; }
.nav-links a:hover { background: rgba(255,255,255,0.08); color: var(--text-title); }
.nav-links a.active { background: rgba(52,229,180,0.14); color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-icon-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2); display: none; align-items: center; justify-content: center; color: var(--text-body); cursor: pointer; transition: all .16s ease; background: rgba(255,255,255,0.05); }
.nav-icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.nav-toggle-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2); display: none; align-items: center; justify-content: center; background: rgba(255,255,255,0.06); color: var(--text-body); cursor: pointer; }
.mobile-drawer { display: none; position: fixed; inset: 0; background: rgba(7,16,28,0.97); z-index: 150; padding: 60px 32px 32px; }
.mobile-drawer.open { display: flex; flex-direction: column; gap: 8px; }
.mobile-drawer a { padding: 16px 8px; border-bottom: 1px solid rgba(255,255,255,0.07); color: var(--text-body); font-size: 1.2rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.mobile-drawer a.active { color: var(--accent); }
.mobile-drawer-close { position: absolute; top: 24px; right: 28px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; color: var(--text-title); cursor: pointer; background: rgba(255,255,255,0.08); }
@media (max-width: 1200px) { .nav-panel { padding: 10px 18px; } .nav-links a { padding: 8px 12px; font-size: 0.85rem; } }
@media (max-width: 992px) { .nav-links { display: none; } .nav-toggle-btn { display: flex; } .nav-cta { margin-left: auto; } .page-header { padding: 0 16px; } }

/* Hero */
.category-hero { position: relative; margin: 16px auto 0; max-width: var(--max-width); border-radius: var(--radius-lg); overflow: hidden; min-height: 320px; display: flex; align-items: center; }
.category-hero-bg { position: absolute; inset: 0; z-index: 0; background-image: url('/assets/images/backpic/back-1.png'), linear-gradient(100deg, rgba(7,16,28,0.94) 40%, rgba(7,16,28,0.55) 80%); background-size: cover; background-position: center right; }
.category-hero-bg::after { content:""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,20,36,0.95) 0%, rgba(10,20,36,0.8) 50%, rgba(10,20,36,0.35) 100%); }
.category-hero .hero-content { position: relative; z-index: 2; padding: 64px 48px; max-width: 640px; }
.category-hero .eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(52,229,180,0.15); border: 1px solid rgba(52,229,180,0.25); color: var(--accent); padding: 4px 14px; border-radius: var(--radius-pill); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.03em; margin-bottom: 18px; }
.category-hero h1 { font-size: clamp(2rem, 4vw, 3rem); color: var(--text-title); font-weight: 800; line-height: 1.2; margin-bottom: 16px; letter-spacing: 0.01em; }
.category-hero h1 .accent-text { color: var(--accent); }
.category-hero p { font-size: 1.08rem; color: var(--text-body); line-height: 1.8; margin-bottom: 28px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 768px) { .category-hero { min-height: auto; margin-top: 8px; border-radius: var(--radius-md); } .category-hero .hero-content { padding: 48px 22px; } }

/* Buttons */
.btn-primary { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 28px; border-radius: var(--radius-pill); background: linear-gradient(135deg, #3cf0bd, #1cbf96); color: var(--accent-ink); font-weight: 700; font-size: 0.92rem; letter-spacing: 0.02em; box-shadow: var(--shadow-btn); transition: all 0.18s ease; border: none; cursor: pointer; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(46,229,178,0.5); color: #041d17; }
.btn-primary:active { transform: translateY(0) scale(0.98); box-shadow: 0 0 16px rgba(46,229,178,0.3); }
.btn-primary:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.btn-ghost { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 28px; border-radius: var(--radius-pill); background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.18); color: #d7e3f2; font-weight: 600; font-size: 0.92rem; transition: all 0.18s ease; cursor: pointer; backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.36); }
.btn-ghost:active { transform: scale(0.98); }

/* Section common */
.section { padding: 64px 0; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
.section-header h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); color: var(--text-title); font-weight: 700; line-height: 1.3; }
.section-header h2 .bar { display: inline-block; width: 5px; height: 26px; background: var(--accent); border-radius: 4px; margin-right: 14px; vertical-align: text-bottom; box-shadow: 0 0 12px rgba(52,229,180,0.5); }
.section-subtitle { color: var(--text-muted); font-size: 1rem; max-width: 480px; }

/* Platform cards (varied card sizes) */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.feature-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: 32px 28px; position: relative; overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, background .3s ease; box-shadow: inset 0 1px 0 rgba(255,255,255,0.08); }
.feature-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.08); box-shadow: var(--shadow-card); }
.feature-card::before { content:""; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); opacity: 0; transition: opacity .3s ease; }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; background: linear-gradient(135deg, rgba(52,229,180,0.2), rgba(52,229,180,0.05)); border: 1px solid rgba(52,229,180,0.25); color: var(--accent); margin-bottom: 20px; }
.feature-card h3 { color: var(--text-title); font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-body); font-size: 0.95rem; line-height: 1.8; margin-bottom: 14px; }
.tags-row { display: flex; flex-wrap: wrap; gap: 8px; }
.platform-tag { font-size: 12px; color: var(--accent); border: 1px solid rgba(52,229,180,0.25); background: rgba(52,229,180,0.08); padding: 3px 12px; border-radius: var(--radius-pill); transition: background .2s ease; }
.platform-tag:hover { background: rgba(52,229,180,0.18); }
.platform-card-large { grid-column: span 2; min-height: 240px; display: flex; flex-direction: column; justify-content: center; }
.platform-card-large p { max-width: 90%; }
.platform-card-sm { min-height: 220px; }
@media (max-width: 992px) { .feature-grid { grid-template-columns: 1fr 1fr; } .platform-card-large { grid-column: span 2; } }
@media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; } .platform-card-large { grid-column: span 1; min-height: auto; } .platform-card-sm { min-height: auto; } }

/* comparison / list style */
.block-soft { background: var(--bg-soft); border-radius: var(--radius-lg); padding: 64px 40px; margin-top: 32px; border: 1px solid rgba(255,255,255,0.06); }
.comparison-list { display: flex; flex-direction: column; gap: 16px; }
.comparison-list .compare-item { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 26px 32px; display: grid; grid-template-columns: 1fr 1fr auto; grid-template-areas: "a b c"; align-items: center; gap: 24px; transition: all .25s ease; cursor: default; }
.comparison-list .compare-item:hover { background: rgba(255,255,255,0.04); border-color: rgba(52,229,180,0.2); transform: translateX(4px); }
.compare-item .item-type { grid-area: a; display: flex; flex-direction: column; }
.compare-item .item-type h4 { color: var(--text-title); font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.compare-item .item-type .subtle { color: var(--text-muted); font-size: 0.8rem; }
.compare-item .item-desc { grid-area: b; color: var(--text-body); font-size: 0.95rem; }
.compare-item .item-action { grid-area: c; }
.badge-blue { background: rgba(79,141,255,0.15); border: 1px solid rgba(79,141,255,0.25); color: #8bb4ff; padding: 2px 12px; border-radius: 4px; font-size: 12px; font-weight: 600; }
.badge-warm { background: rgba(255,196,107,0.15); border: 1px solid rgba(255,196,107,0.25); color: var(--signal); padding: 2px 12px; border-radius: 4px; font-size: 12px; font-weight: 600; }
@media (max-width: 992px) { .comparison-list .compare-item { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c"; gap: 12px; padding: 20px 22px; } }

/* platforms for difference */
.breakthrough-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.platform-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); overflow: hidden; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.platform-card:hover { transform: translateY(-3px); border-color: rgba(52,229,180,0.2); box-shadow: var(--shadow-card); }
.platform-card-top { position: relative; }
.platform-card-top img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.platform-card-top .cover-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(7,16,28,0.9) 100%); }
.platform-card-top .badge-col { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; flex-wrap: wrap; z-index: 2; }
.platform-card-content { padding: 20px 24px 24px; }
.platform-card-content .px-type { font-size: 0.8rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 6px; }
.platform-card-content h3 { color: var(--text-title); font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; }
.platform-card-content p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 16px; }
.platform-card-content .card-link { color: var(--accent); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 5px; }
.platform-card-content .card-link:hover { gap: 8px; }
.featured-row { display: flex; gap: 20px; margin-bottom: 20px; }
.feature-medium { flex: 2; }
.feature-small { flex: 1; display: flex; gap: 20px; }
.mark-panel { flex: 1; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-sm); display:flex; align-items:center; justify-content:center; position: relative; overflow: hidden; min-height: 100%; }
.mark-panel .mark-panel-bg { background-image: url('/assets/images/coverpic/cover-2.png'); background-size: cover; position: absolute; inset:0; opacity:0.3; transition: opacity 0.5s ease;}
.mark-panel:hover .mark-panel-bg { opacity: 0.5; }
@media (max-width: 992px){ .featured-row {flex-direction: column;} .feature-medium, .feature-small { width: 100%; } .feature-small {display: grid; grid-template-columns: 1fr 1fr;} }
@media (max-width: 768px){ .feature-small {grid-template-columns:1fr;} .featured-row {gap:20px;}}

/* FAQ */
.faq-wrap { display: flex; flex-direction: column; gap: 12px; max-width: 1000px; margin: 0 auto; }
.faq-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); overflow: hidden; transition: border-color .25s ease, box-shadow .25s ease; }
.faq-item:hover { border-color: rgba(52,229,180,0.2); }
.faq-item.open { background: rgba(52,229,180,0.05); border-color: rgba(52,229,180,0.2); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; cursor: pointer; padding: 18px 24px; text-align: left; color: var(--text-title); font-size: 1.05rem; font-weight: 600; transition: color .2s ease; }
.faq-question:hover { color: var(--accent); }
.faq-question .arrow { flex-shrink: 0; transition: transform 0.3s ease; color: var(--accent); display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(52,229,180,0.12); border: 1px solid rgba(52,229,180,0.2); }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 24px 20px; color: var(--text-body); font-size: 0.95rem; line-height: 1.8; }
.faq-answer-inner { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 18px; }

/* CTA banner */
.cta-module { padding: 56px 0 96px; }
.cta-wrap { position: relative; background: var(--bg-deep); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 48px 40px; text-align: center; overflow: hidden; }
.cta-wrap::before { content:""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); }
.cta-wrap::after { content:""; inset:0; margin:auto; border-radius: 50%; filter: blur(70px); width: 40%; height: 50%; background: rgba(52,229,180,0.04); position: absolute; z-index: 0; pointer-events: none; }
.cta-content { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 18px; align-items: center; }
.cta-content h2 { font-size: 1.8rem; color: var(--text-title); font-weight: 700; }
.cta-content p { color: var(--text-body); max-width: 560px; }
.cta-actions { display: flex; gap: 16px; }
@media (max-width: 768px){ .cta-wrap { padding: 40px 20px; } .cta-content h2 { font-size: 1.4rem; } .cta-actions { flex-direction: column; width: 100%; max-width: 320px; margin: 0 auto; } .cta-actions .btn-primary, .cta-actions .btn-ghost { width: 100%;} }

/* Footer */
footer { background: var(--bg-deep); border-top: 1px solid rgba(255,255,255,0.06); margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 44px; padding: 60px 0 48px; }
.footer-brand .brand { margin-bottom: 12px; }
.footer-brand p { font-size: 0.92rem; line-height: 1.7; color: var(--text-muted); }
.footer-title { color: var(--text-title); font-weight: 600; margin-bottom: 18px; font-size: 0.95rem; }
.footer-link-list li { margin-bottom: 8px; }
.footer-link-list a { color: var(--text-muted); font-size: 0.88rem; transition: all .18s ease; }
.footer-link-list a:hover { color: var(--accent); padding-left: 4px; }
.footer-linked { border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 24px 0 32px; color: rgba(255,255,255,0.3); font-size: 0.82rem; }
@media (max-width: 992px){ .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } .footer-brand { grid-column: span 2; } }
@media (max-width: 520px){ .footer-grid { grid-template-columns: 1fr; } .footer-brand p { max-width: 80%; } .footer-linked { flex-direction: column; align-items: center; text-align: center; gap: 4px; } }

/* CTA card / above footer */
.subscribe-section { padding: 24px 0 56px; }
.form-wrap { max-width: 440px; margin: 22px auto 0; display: flex; gap: 14px; }
@media (max-width: 600px){ .form-wrap { flex-direction: column; width: 100%; padding: 0 20px; } .form-wrap input { width: 100% !important; } }
.form-wrap input { width: 300px; height: 48px; border-radius: var(--radius-pill); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); padding: 0 22px; color: var(--text-title); font-size: 0.95rem; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.form-wrap input::placeholder { color: var(--text-muted); }
.form-wrap input:focus { border-color: var(--accent); box-shadow: 0 0 12px rgba(52,229,180,0.25); background: rgba(255,255,255,0.1); }
.btn-only { display: flex; justify-content: center; }
.cta-text { text-align:center; }
@media (max-width: 768px) { .container { padding-left: 16px; padding-right: 16px; } .section { padding:48px 0;} }

/* Additional details */
.line-link { display:inline-flex; align-items:center; gap:4px; font-size:0.9rem; color: var(--accent); font-weight:600; cursor: pointer; transition: gap 0.2s ease; }
.line-link:hover { gap: 7px; }
.platform-notch { display: flex; gap: 30px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.notch { color: var(--text-muted); font-size: 0.9rem; display: flex; align-items: center; gap: 6px; }
.notch::before { content:""; display:block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 6px var(--accent); opacity: .8;}

/* more bottom space for per page footer */
.end-pad { margin-bottom: 0; }

/* format */
.viewport-pad{padding-top: 60px;}

/* roulang page: article */
:root{
  --bg-base:#0a1424;
  --bg-deep:#060d18;
  --bg-soft:#101f33;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-bg-strong:rgba(255,255,255,0.1);
  --glass-border:rgba(255,255,255,0.13);
  --glass-border-strong:rgba(255,255,255,0.24);
  --glass-highlight:inset 0 1px 0 rgba(255,255,255,0.14);
  --accent:#34e5b4;
  --accent-deep:#1dca99;
  --accent-glow:rgba(52,229,180,0.32);
  --accent-ink:#05271d;
  --accent-2:#4f8dff;
  --signal:#ffc46b;
  --text-title:#eef5ff;
  --text-body:#b7c6da;
  --text-muted:#7e93ab;
  --border:rgba(255,255,255,0.1);
  --radius-sm:6px;
  --radius-card:16px;
  --radius-panel:24px;
  --container:1280px;
  --ease:160ms cubic-bezier(.25,.8,.35,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 460px at 82% -8%,rgba(79,141,255,.12),transparent 60%),
    radial-gradient(700px 420px at 4% 16%,rgba(52,229,180,.05),transparent 60%),
    radial-gradient(1000px 600px at 92% 86%,rgba(52,229,180,.04),transparent 55%);
}
img{max-width:100%;display:block}
a{color:var(--text-body);text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--accent)}
p{margin:0}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,h5{color:var(--text-title);line-height:1.28;font-weight:800;margin:0}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:2}
::selection{background:rgba(52,229,180,.25);color:#fff}
input:focus,button:focus,a:focus-visible{outline:2px solid #cbf5e7;outline-offset:3px;border-radius:12px}

/* Header / Navigation */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 10px;
}
.header-bg{
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(to bottom,rgba(5,10,18,.82),rgba(7,14,25,.62));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:1280px;
  margin:0 auto;
  padding:10px 16px 10px 18px;
  border-radius:999px;
  background:rgba(11,18,32,.72);
  border:1px solid var(--glass-border);
  box-shadow:0 12px 42px rgba(0,0,0,.22),var(--glass-highlight),0 0 0 1px rgba(255,255,255,.02);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}
.brand{
  position:relative;
  flex-shrink:0;
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-title);
}
.brand-badge{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:linear-gradient(135deg,#3cf0bd,#19c193);
  color:#052619;
  font-weight:900;
  font-size:19px;
  letter-spacing:-0.5px;
  box-shadow:0 0 18px rgba(52,229,180,.28),inset 0 1px 0 rgba(255,255,255,.4);
}
.brand-name{
  font-weight:800;
  font-size:18px;
  letter-spacing:.5px;
  white-space:nowrap;
}
.site-header .nav-panel .nav-links{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  flex-wrap:nowrap;
}
.nav-links a{
  position:relative;
  padding:9px 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:#aebdd0;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-links a:hover{
  background:rgba(255,255,255,.08);
  color:#e1ebf8;
}
.nav-links a.active{
  background:rgba(52,229,180,.13);
  color:var(--accent);
  border-color:rgba(52,229,180,.2);
  box-shadow:0 0 16px rgba(52,229,180,.08),inset 0 1px 0 rgba(255,255,255,.09);
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:24%;
  right:24%;
  bottom:1px;
  height:2px;
  border-radius:99px;
  background:var(--accent);
  filter:drop-shadow(0 0 5px rgba(52,229,180,.85));
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.btn-header{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 20px;
  border-radius:999px;
  background:linear-gradient(135deg,#3cf0bd,#1fc39b);
  color:#062a1d;
  font-weight:800;
  font-size:14px;
  box-shadow:0 0 14px rgba(52,229,180,.22);
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.btn-header:hover{
  background:linear-gradient(135deg,#45f6c6,#1dca99);
  color:#062a1d;
  transform:translateY(-1px);
  box-shadow:0 0 24px rgba(52,229,180,.35);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  color:#d9e7f4;
  background:rgba(255,255,255,.08);
  border:1px solid var(--glass-border);
  font-size:17px;
  transition:background var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.15)}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  border:none;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#3cf0bd,#1cbf96);
  color:#052a1d;
  box-shadow:0 0 22px rgba(46,229,178,.32);
}
.btn-primary:hover{
  transform:translateY(-2px);
  color:#062a1d;
  box-shadow:0 0 30px rgba(52,229,180,.45);
}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#d7e3f2;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:var(--glass-highlight);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.38);
  color:#fff;
  transform:translateY(-2px);
}

/* Page Hero */
.page-hero{
  position:relative;
  min-height:360px;
  padding:92px 0 74px;
  background:
    linear-gradient(180deg,rgba(9,17,29,.92) 0%,rgba(8,15,27,.72) 50%,rgba(10,20,36,.98) 100%),
    url('/assets/images/backpic/back-2.webp') center 26% / cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.07);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  left:10%;
  top:8%;
  width:300px;height:300px;
  background:rgba(52,229,180,.12);
  filter:blur(100px);
  border-radius:50%;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-4%;
  bottom:-20%;
  width:420px;height:420px;
  background:rgba(79,141,255,.14);
  filter:blur(110px);
  border-radius:50%;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:28px;
}
.breadcrumb a{color:var(--text-muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{
  color:rgba(126,147,171,.45);
  font-size:11px;
}
.breadcrumb .bc-current{
  color:var(--text-body);
  max-width:560px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  display:inline-block;
}
.post-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:30px;
  padding:0 13px;
  margin-bottom:20px;
  border-radius:999px;
  border:1px solid rgba(52,229,180,.26);
  background:rgba(52,229,180,.1);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  letter-spacing:.6px;
}
.post-eyebrow i{font-size:11px}
.post-header-title{
  margin-bottom:14px;
  max-width:840px;
  font-size:clamp(1.8rem,4.4vw,3rem);
  line-height:1.25;
  letter-spacing:.5px;
}
.post-lead{
  max-width:760px;
  margin-top:18px;
  font-size:15px;
  line-height:1.9;
  color:#c6d1df;
}
.post-hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.09);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
}
.meta-item i{font-size:12px;color:var(--accent)}
.tag-pop{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 8px;
  border-radius:6px;
  background:rgba(52,229,180,.15);
  color:var(--accent);
  font-size:12px;
}
.time-pop{
  color:var(--signal);
}
.tag-line{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.tag-line span{
  height:26px;
  display:inline-flex;
  align-items:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:6px;
  padding:0 10px;
  color:#aebdd0;
  font-size:12px;
}

/* Article Shell */
.article-shell{
  position:relative;
  padding:56px 0 60px;
}
.post-main-wrap{
  max-width:860px;
  margin:0 auto;
}
.post-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-border);
  border-radius:24px;
  padding:clamp(26px,5vw,54px);
  box-shadow:0 24px 70px rgba(0,0,0,.18),var(--glass-highlight);
  backdrop-filter:blur(16px);
  overflow:hidden;
}
.post-cover{
  margin:-28px -28px 40px;
  overflow:hidden;
  background:linear-gradient(135deg,#0d1c31,#0a1424);
}
.post-cover img{
  width:100%;
  height:auto;
  max-height:420px;
  object-fit:cover;
  transition:transform .6s ease;
}
.post-cover img:hover{transform:scale(1.01)}
.post-content{
  width:100%;
  max-width:760px;
  margin:0 auto;
  font-size:16px;
  line-height:1.9;
  color:var(--text-body);
  word-wrap:break-word;
}
.post-content p{
  margin-bottom:22px;
  color:#c1cee0;
  letter-spacing:.015em;
}
.post-content h2{
  margin:38px 0 16px;
  padding-bottom:10px;
  font-size:clamp(1.3rem,3vw,1.65rem);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.post-content h3{
  margin:32px 0 14px;
  font-size:1.2rem;
}
.post-content a{
  color:var(--accent);
  border-bottom:1px solid rgba(52,229,180,.25);
}
.post-content a:hover{color:#72fbd2;border-color:var(--accent)}
.post-content ul,.post-content ol{
  margin:0 0 24px;
  padding-left:26px;
  color:#c1cee0;
}
.post-content li{margin-bottom:10px;padding-left:6px}
.post-content img{border-radius:18px;margin:22px 0;border:1px solid rgba(255,255,255,.08)}
.post-content blockquote{
  margin:28px 0;
  padding:22px 24px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
  border-left:4px solid var(--accent);
  color:var(--text-title);
  font-weight:500;
}
.post-content blockquote p{margin:0;color:var(--text-title)}
.post-content table{
  width:100%;
  border-collapse:collapse;
  margin:28px 0;
  border-radius:14px;
  overflow:hidden;
  background:rgba(255,255,255,.03);
}
.post-content th,.post-content td{
  border:1px solid rgba(255,255,255,.1);
  text-align:left;
  padding:12px 14px;
  color:#c1cee0;
}
.post-content th{
  background:rgba(52,229,180,.1);
  color:var(--text-title);
  font-weight:700;
}
.post-content code{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:.9em;
  padding:2px 7px;
  border-radius:6px;
  background:rgba(255,255,255,.08);
  color:#d3fceb;
}
.post-empty-state{
  text-align:center;
  padding:72px 20px 92px;
  max-width:560px;
  margin:0 auto;
}
.empty-icon{
  width:76px;
  height:76px;
  display:grid;
  place-items:center;
  margin:0 auto 22px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-border);
  color:var(--text-muted);
  font-size:26px;
}
.post-empty-state h2{
  font-size:26px;
  color:var(--text-title);
  margin-bottom:10px;
}
.post-empty-state p{
  color:var(--text-muted);
  margin-bottom:28px;
}
.empty-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}

/* Post Bottom */
.post-divider{
  height:1px;
  margin:44px 0 0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
}
.post-footer-tool{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:28px;
}
.mini-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#aebdd0;
  transition:all var(--ease);
}
.mini-link:hover{
  background:rgba(52,229,180,.1);
  border-color:rgba(52,229,180,.28);
  color:var(--accent);
  transform:translateX(-2px);
}
.mini-link.next:hover{transform:translateX(2px)}

/* Recommend */
.recommend-section{
  position:relative;
  padding:72px 0 24px;
}
.rec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:30px;
}
.rec-title{
  font-size:clamp(1.2rem,2.4vw,1.7rem);
}
.rec-title span{
  display:block;
  font-size:14px;
  color:var(--text-muted);
  font-weight:500;
  margin-top:2px;
}
.rec-head-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  color:var(--accent);
  position:relative;
}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card-rec{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:18px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.1);
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  min-height:100%;
}
.card-rec:hover{
  transform:translateY(-5px);
  border-color:rgba(52,229,180,.3);
  box-shadow:0 22px 44px rgba(0,0,0,.22);
}
.rec-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#0c1930,#111f35);
}
.rec-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.card-rec:hover .rec-thumb img{transform:scale(1.05)}
.rec-body{
  display:flex;
  flex-direction:column;
  padding:22px 22px 24px;
  flex:1;
}
.rec-body h3{
  font-size:17px;
  line-height:1.5;
  margin-bottom:8px;
  color:var(--text-title);
}
.rec-body p{
  color:var(--text-muted);
  font-size:13px;
  line-height:1.8;
  flex:1;
}
.rec-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
}
.rec-link i{transition:transform var(--ease);font-size:11px}
.rec-link:hover i{transform:translateX(4px)}

/* CTA */
.cta-band{
  position:relative;
  margin:56px 0 76px;
  padding:0 0 62px;
}
.cta-inner{
  position:relative;
  padding:44px 48px;
  border-radius:24px;
  overflow:hidden;
  background:
    linear-gradient(rgba(9,15,27,.91),rgba(8,15,27,.96)),
    url('/assets/images/coverpic/cover-6.png') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.1);
}
.cta-inner::after{
  content:"";
  position:absolute;
  width:320px;height:160px;
  right:0;top:0;
  background:rgba(52,229,180,.1);
  filter:blur(80px);
  border-radius:50%;
}
.cta-flex{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-text h3{
  font-size:clamp(1.35rem,2.8vw,2rem);
  margin-bottom:8px;
}
.cta-text p{
  color:var(--text-muted);
  font-size:14px;
  max-width:560px;
}
.cta-actions a{flex-shrink:0}

/* Footer */
footer{
  position:relative;
  z-index:2;
  background:#050b15;
  border-top:1px solid rgba(255,255,255,.08);
  padding:80px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:46px;
  padding-bottom:52px;
}
.footer-brand .brand{
  margin-bottom:18px;
}
.footer-brand>p{
  color:var(--text-muted);
  font-size:14px;
  max-width:320px;
  line-height:1.8;
}
.footer-title{
  font-size:15px;
  color:var(--text-title);
  font-weight:800;
  margin-bottom:16px;
}
.footer-link-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-link-list a{
  color:var(--text-muted);
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-link-list a::before{
  content:"";
  width:3px;height:3px;
  border-radius:50%;
  background:var(--accent);
  opacity:.35;
}
.footer-link-list a:hover{
  color:var(--accent);
}
.footer-link-list a:hover::before{
  opacity:1;
  box-shadow:0 0 8px var(--accent);
}
.footer-linked{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding:20px 0 22px;
  border-top:1px solid rgba(255,255,255,.08);
  color:#52677d;
  font-size:12px;
}

/* Responsive */
@media (max-width:1180px){
  .nav-links a{padding:9px 13px;font-size:13.5px}
}
@media (max-width:1024px){
  .nav-panel{padding:10px 12px}
  .nav-actions .btn-header{display:none}
  .nav-toggle{
    display:inline-flex;
  }
  .nav-links{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(84vw,380px);
    height:100vh;
    max-height:100vh;
    background:#07101d;
    border-left:1px solid rgba(255,255,255,.1);
    padding:88px 32px 32px;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    transform:translateX(110%);
    transition:transform .34s cubic-bezier(.32,.86,.3,1);
    box-shadow:-12px 0 40px rgba(0,0,0,.35);
    overflow-y:auto;
    z-index:80;
  }
  .nav-links.opened{
    transform:translateX(0);
  }
  .nav-links a{
    display:block;
    text-align:center;
    padding:15px 18px;
    border-radius:16px;
    font-size:15px;
  }
  .nav-links a.active::after{display:none}
  .nav-links a.active{
    background:rgba(52,229,180,.1);
    border:1px solid rgba(52,229,180,.25);
  }
  .nav-toggle{
    position:relative;
    z-index:90;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
}
@media (max-width:768px){
  body{line-height:1.7}
  .page-hero{padding:40px 0 54px;min-height:0}
  .post-header-title{font-size:1.6rem}
  .post-card{padding:20px}
  .post-cover{margin:-20px -20px 30px}
  .post-content p{margin-bottom:18px}
  .rec-grid{grid-template-columns:1fr}
  .cta-band{margin:22px 0 52px}
  .cta-inner{padding:28px 22px}
  .footer-grid{gap:34px;padding-bottom:26px}
  .footer-linked{justify-content:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .brand-name{font-size:16px}
  .nav-panel{padding:8px 10px}
  .card-rec p{font-size:13px}
  .post-footer-tool{flex-direction:column;align-items:stretch}
  .btn{width:100%}
}

/* roulang page: category2 */
:root {
    --bg-base:#0a1424;
    --bg-deep:#07101c;
    --bg-soft:#101f33;
    --accent:#34e5b4;
    --accent-dark:#1dca99;
    --accent-blue:#4f8dff;
    --signal:#ffc46b;
    --text-title:#eef5ff;
    --text-body:#b7c6da;
    --text-muted:#7e93ab;
    --glass-bg: rgba(255,255,255,.06);
    --glass-bg-strong: rgba(255,255,255,.1);
    --glass-border: rgba(255,255,255,.14);
    --glass-highlight: inset 0 1px 0 rgba(255,255,255,.18);
    --radius-sm:6px;
    --radius-card:16px;
    --radius-block:24px;
    --radius-pill:999px;
    --shadow-card:0 20px 50px rgba(3,9,18,.42);
    --shadow-accent:0 0 22px rgba(46,229,178,.34);
    --font-main:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --space-section:96px;
    --space-card:24px;
  }

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

  html {
    scroll-behavior:smooth;
    scroll-padding-top:110px;
  }

  body {
    background:var(--bg-base);
    color:var(--text-body);
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    display:flex;
    flex-direction:column;
    min-height:100vh;
    position:relative;
  }

  body::before {
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    pointer-events:none;
    background:
      radial-gradient(1px 1px at 12% 28%, rgba(255,255,255,.18) 0, transparent 100%),
      radial-gradient(1px 1px at 82% 68%, rgba(255,255,255,.12) 0, transparent 100%),
      radial-gradient(1px 1px at 46% 85%, rgba(52,229,180,.10) 0, transparent 100%);
  }

  ::selection {
    background:rgba(52,229,180,.24);
    color:#ffffff;
  }

  a {
    color:inherit;
    text-decoration:none;
    -webkit-tap-highlight-color:transparent;
  }

  a:focus-visible,
  button:focus-visible {
    outline:2px solid var(--accent);
    outline-offset:3px;
  }

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

  button {
    font-family:inherit;
    border:0;
    cursor:pointer;
  }

  .container {
    max-width:1280px;
    margin:0 auto;
    padding:0 24px;
    width:100%;
  }

  .section {
    padding:var(--space-section) 0;
  }

  .section-head {
    max-width:860px;
    margin-bottom:48px;
  }

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

  .eyebrow {
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--accent);
    font-size:14px;
    font-weight:600;
    letter-spacing:.08em;
    text-transform:uppercase;
    margin-bottom:16px;
  }

  .eyebrow::before {
    content:"";
    width:22px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    box-shadow:0 0 10px rgba(52,229,180,.5);
  }

  .section-head.center .eyebrow::after {
    content:"";
    width:22px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    box-shadow:0 0 10px rgba(52,229,180,.5);
  }

  .section-head h2 {
    font-size:clamp(1.6rem,3.2vw,2.4rem);
    line-height:1.3;
    color:var(--text-title);
    font-weight:800;
    letter-spacing:-.02em;
    margin-bottom:18px;
  }

  .section-head p {
    color:var(--text-body);
    font-size:16px;
    line-height:1.8;
  }

  .lead-narrow {
    max-width:680px;
  }

  .btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 28px;
    border-radius:var(--radius-pill);
    font-size:15px;
    font-weight:700;
    text-align:center;
    transition:transform .16s ease, box-shadow .16s ease, background-color .16s ease, border-color .16s ease;
    will-change:transform;
  }

  .btn-primary {
    background:linear-gradient(135deg,#3cf0bd,#1cbf96);
    color:#06261c;
    box-shadow:0 0 22px rgba(52,229,180,.34);
  }

  .btn-primary:hover {
    transform:translateY(-2px);
    box-shadow:0 0 32px rgba(52,229,180,.5);
  }

  .btn-primary:active {
    transform:translateY(0);
    box-shadow:0 0 18px rgba(52,229,180,.3);
  }

  .btn-ghost {
    background:var(--glass-bg);
    border:1px solid rgba(255,255,255,.18);
    color:#d7e3f2;
    box-shadow:var(--glass-highlight);
  }

  .btn-ghost:hover {
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.36);
    color:#ffffff;
  }

  .btn-ghost:active {
    background:rgba(255,255,255,.08);
    transform:translateY(0);
  }

  .btn-sm {
    min-height:40px;
    padding:0 20px;
    font-size:14px;
  }

  /* ========== 顶部导航 ========== */
  .site-header {
    position:fixed;
    top:14px;
    left:0;
    right:0;
    z-index:200;
    padding:0;
  }

  .nav-bar {
    max-width:1280px;
    width:calc(100% - 48px);
    margin:0 auto;
    min-height:68px;
    padding:8px 8px 8px 14px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    border-radius:var(--radius-pill);
    border:1px solid var(--glass-border);
    background:linear-gradient(180deg, rgba(18,32,52,.9), rgba(7,16,28,.88));
    box-shadow:0 16px 42px rgba(2,7,15,.48), var(--glass-highlight);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
  }

  .brand {
    display:inline-flex;
    align-items:center;
    gap:10px;
    white-space:nowrap;
    min-height:52px;
  }

  .brand-badge {
    width:36px;
    height:36px;
    flex:0 0 36px;
    display:grid;
    place-items:center;
    background:linear-gradient(135deg,#3cf0bd,#1cbf96);
    border-radius:50%;
    color:#06261c;
    font-weight:900;
    font-size:18px;
    box-shadow:0 0 18px rgba(52,229,180,.34);
  }

  .brand-name {
    color:var(--text-title);
    font-size:16px;
    font-weight:800;
    letter-spacing:.01em;
  }

  .nav-links {
    display:flex;
    align-items:center;
    gap:4px;
  }

  .nav-links a {
    display:inline-flex;
    align-items:center;
    min-height:40px;
    padding:0 14px;
    border-radius:var(--radius-pill);
    font-size:14px;
    font-weight:500;
    color:#c8d8ea;
    border:1px solid transparent;
    transition:background-color .16s ease,color .16s ease,box-shadow .16s ease;
  }

  .nav-links a:hover {
    background:rgba(255,255,255,.08);
    color:#ffffff;
  }

  .nav-links a:active {
    background:rgba(255,255,255,.04);
  }

  .nav-links a.active {
    background:rgba(52,229,180,.13);
    color:var(--accent);
    box-shadow:inset 0 -2px 0 rgba(52,229,180,.9),0 0 16px rgba(52,229,180,.16);
  }

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

  .nav-toggle {
    display:none;
    width:44px;
    height:44px;
    border-radius:50%;
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    color:var(--accent);
    align-items:center;
    justify-content:center;
    transition:background-color .2s ease,transform .2s ease;
  }

  .nav-toggle:hover {
    background:rgba(255,255,255,.1);
  }

  .nav-toggle svg {
    width:22px;
    height:22px;
    stroke:currentColor;
    stroke-width:2;
    fill:none;
    stroke-linecap:round;
    stroke-linejoin:round;
  }

  /* ========== 内页首屏 ========== */
  .page-hero {
    position:relative;
    padding:160px 0 70px;
    background:
      linear-gradient(102deg, rgba(6,14,26,.94) 0%, rgba(11,25,44,.82) 46%, rgba(8,20,35,.64) 100%),
      url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
    overflow:hidden;
    border-bottom:1px solid rgba(52,229,180,.12);
    isolation:isolate;
  }

  .page-hero-inner {
    display:flex;
    align-items:flex-start;
    gap:36px;
  }

  .breadcrumb {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-muted);
    margin-bottom:18px;
  }

  .breadcrumb a {
    color:var(--text-muted);
    transition:color .16s ease;
  }

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

  .breadcrumb span {
    color:rgba(126,147,171,.5);
  }

  .breadcrumb .current {
    color:#cfe0f2;
  }

  .page-hero h1 {
    font-size:clamp(2rem,5vw,3.4rem);
    line-height:1.16;
    color:var(--text-title);
    font-weight:800;
    letter-spacing:-.02em;
    margin-bottom:20px;
  }

  .page-hero .lead {
    max-width:680px;
    color:var(--text-body);
    font-size:17px;
    line-height:1.9;
    margin-bottom:32px;
  }

  .hero-actions {
    display:flex;
    flex-wrap:wrap;
    gap:14px;
  }

  .hero-mini {
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--text-muted);
    font-size:13px;
    margin-top:28px;
    border-left:2px solid rgba(52,229,180,.6);
    padding-left:16px;
  }

  /* ========== 信息带 ========== */
  .proof-band {
    background:rgba(7,16,28,.62);
    border-bottom:1px solid rgba(255,255,255,.05);
  }

  .proof-grid {
    display:grid;
    grid-template-columns:1fr 1.15fr 1.15fr 1fr;
    gap:18px;
    padding:32px 0;
  }

  .proof-item {
    display:flex;
    align-items:flex-start;
    gap:14px;
    padding:16px 18px;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius-card);
    transition:border-color .16s ease,background-color .16s ease;
  }

  .proof-item:hover {
    background:rgba(255,255,255,.07);
    border-color:rgba(52,229,180,.34);
  }

  .proof-icon {
    flex:0 0 40px;
    width:40px;
    height:40px;
    display:grid;
    place-items:center;
    border-radius:12px;
    background:rgba(52,229,180,.16);
    color:var(--accent);
  }

  .proof-icon svg {
    width:20px;
    height:20px;
    stroke:currentColor;
    stroke-width:1.8;
    fill:none;
    stroke-linecap:round;
    stroke-linejoin:round;
  }

  .proof-item strong {
    display:block;
    color:var(--text-title);
    font-size:15px;
    font-weight:700;
    line-height:1.4;
    margin-bottom:4px;
  }

  .proof-item span {
    display:block;
    color:var(--text-muted);
    font-size:13px;
    line-height:1.6;
  }

  /* ========== 玩法分组列表 ========== */
  .group-list {
    display:flex;
    flex-direction:column;
  }

  .group-card {
    display:grid;
    grid-template-columns:1.05fr .95fr;
    align-items:center;
    gap:64px;
    padding-bottom:80px;
    margin-bottom:80px;
    border-bottom:1px solid rgba(255,255,255,.07);
  }

  .group-card:last-child {
    padding-bottom:0;
    margin-bottom:0;
    border-bottom:0;
  }

  .group-card.alt .group-visual {
    order:-1;
  }

  .group-label {
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--accent);
    background:rgba(52,229,180,.1);
    border:1px solid rgba(52,229,180,.22);
    padding:6px 14px;
    border-radius:var(--radius-pill);
    font-size:13px;
    font-weight:600;
    letter-spacing:.02em;
    margin-bottom:20px;
  }

  .group-name {
    color:var(--text-title);
    font-size:clamp(1.4rem,2.8vw,2rem);
    font-weight:800;
    line-height:1.3;
    letter-spacing:-.01em;
    margin-bottom:14px;
  }

  .group-desc {
    color:var(--text-body);
    line-height:1.85;
    margin-bottom:26px;
    max-width:52ch;
  }

  .group-feature-list {
    list-style:none;
    margin:0 0 22px;
  }

  .group-feature-list li {
    position:relative;
    padding-left:28px;
    margin-bottom:12px;
    color:#cfdcee;
    font-size:15px;
  }

  .group-feature-list li::before {
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:11px;
    height:11px;
    border-radius:50%;
    border:2px solid var(--accent);
    background:rgba(52,229,180,.14);
    box-shadow:0 0 10px rgba(52,229,180,.18);
  }

  .group-chips {
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  .chip {
    display:inline-flex;
    align-items:center;
    min-height:34px;
    padding:0 13px;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.1);
    border-radius:var(--radius-pill);
    color:#c6d6e9;
    font-size:13px;
    font-weight:500;
    transition:border-color .16s ease,background-color .16s ease;
  }

  .chip:hover {
    background:rgba(255,255,255,.08);
    border-color:rgba(52,229,180,.32);
  }

  .group-visual {
    position:relative;
    background:#0d1d32;
    border:1px solid var(--glass-border);
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--shadow-card);
    min-height:260px;
  }

  .group-visual img {
    width:100%;
    aspect-ratio:16/11;
    object-fit:cover;
    transition:transform .35s ease;
  }

  .group-visual:hover img {
    transform:scale(1.02);
  }

  .group-visual::after {
    content:"";
    position:absolute;
    left:32px;
    right:auto;
    bottom:0;
    width:42%;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    filter:drop-shadow(0 0 8px rgba(52,229,180,.6));
    pointer-events:none;
  }

  /* ========== 操作路径 ========== */
  .path-panel {
    background:
      linear-gradient(135deg, rgba(16,31,51,.9), rgba(7,16,28,.92)),
      url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    border:1px solid rgba(255,255,255,.07);
    border-radius:var(--radius-block);
    padding:40px;
    box-shadow:var(--shadow-card), var(--glass-highlight);
  }

  .path-grid {
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
  }

  .path-item {
    display:flex;
    flex-direction:column;
    position:relative;
    padding:24px;
    min-height:190px;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius-card);
    transition:transform .16s ease,border-color .16s ease,background-color .16s ease;
  }

  .path-item:hover {
    transform:translateY(-4px);
    background:rgba(255,255,255,.07);
    border-color:rgba(52,229,180,.32);
  }

  .step-badge {
    width:44px;
    height:44px;
    border-radius:50%;
    display:grid;
    place-items:center;
    border:1px solid rgba(52,229,180,.55);
    background:rgba(52,229,180,.12);
    color:var(--accent);
    font-weight:800;
    font-size:16px;
    margin-bottom:18px;
    box-shadow:0 0 14px rgba(52,229,180,.18);
  }

  .path-item h3 {
    color:var(--text-title);
    font-size:16px;
    font-weight:700;
    margin-bottom:8px;
  }

  .path-item p {
    color:var(--text-muted);
    font-size:14px;
    line-height:1.7;
  }

  /* ========== 场景推荐 ========== */
  .scene-grid {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin-top:44px;
  }

  .scene-card {
    position:relative;
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    border-radius:var(--radius-card);
    padding:28px;
    min-height:220px;
    transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
    overflow:hidden;
  }

  .scene-card::after {
    content:"";
    position:absolute;
    left:24px;
    bottom:0;
    width:56px;
    height:2px;
    background:var(--accent);
    transform:scaleX(.34);
    transform-origin:left;
    transition:transform .25s ease;
  }

  .scene-card:hover {
    transform:translateY(-4px);
    border-color:rgba(52,229,180,.32);
    box-shadow:var(--shadow-card);
  }

  .scene-card:hover::after {
    transform:scaleX(1);
  }

  .scene-tag {
    display:inline-flex;
    align-items:center;
    color:var(--accent);
    font-size:12px;
    font-weight:600;
    letter-spacing:.06em;
    border-left:2px solid var(--accent);
    padding-left:10px;
    margin-bottom:18px;
  }

  .scene-card h3 {
    color:var(--text-title);
    font-size:18px;
    font-weight:700;
    margin-bottom:10px;
  }

  .scene-card p {
    color:var(--text-body);
    font-size:14px;
    line-height:1.75;
  }

  /* ========== FAQ ========== */
  .faq-list {
    max-width:900px;
    margin-top:40px;
  }

  .faq-item {
    margin-bottom:12px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--glass-border);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:background-color .2s ease,border-color .2s ease;
  }

  .faq-item.is-open {
    background:rgba(52,229,180,.05);
    border-color:rgba(52,229,180,.28);
  }

  .faq-question {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    width:100%;
    min-height:62px;
    padding:16px 24px;
    background:transparent;
    text-align:left;
    color:var(--text-title);
    font-size:16px;
    font-weight:700;
    line-height:1.5;
    transition:color .16s ease;
  }

  .faq-question:hover {
    color:var(--accent);
  }

  .faq-question svg {
    flex:0 0 20px;
    width:20px;
    height:20px;
    stroke:var(--accent);
    stroke-width:2;
    fill:none;
    stroke-linecap:round;
    stroke-linejoin:round;
    transition:transform .25s ease;
  }

  .faq-item.is-open .faq-question svg {
    transform:rotate(45deg);
  }

  .faq-answer {
    display:none;
    padding:0 24px 24px;
    color:var(--text-body);
    font-size:15px;
    line-height:1.9;
  }

  .faq-item.is-open .faq-answer {
    display:block;
  }

  /* ========== CTA ========== */
  .cta-section {
    padding-bottom:96px;
  }

  .cta-band {
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    padding:54px 60px;
    background:
      linear-gradient(118deg, rgba(7,16,28,.96) 0%, rgba(10,25,44,.88) 52%, rgba(7,16,28,.72) 100%),
      url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
    border:1px solid rgba(255,255,255,.09);
    border-radius:var(--radius-block);
    box-shadow:var(--shadow-card), var(--glass-highlight);
    overflow:hidden;
  }

  .cta-copy {
    max-width:610px;
  }

  .cta-copy h2 {
    color:var(--text-title);
    font-size:clamp(1.6rem,3vw,2.2rem);
    font-weight:800;
    line-height:1.3;
    letter-spacing:-.02em;
    margin-bottom:12px;
  }

  .cta-copy p {
    color:var(--text-body);
    font-size:15px;
  }

  .cta-actions {
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    flex:0 0 auto;
  }

  /* ========== 页脚 ========== */
  footer {
    background:#07101c;
    border-top:1px solid rgba(255,255,255,.06);
    margin-top:auto;
  }

  footer .container {
    padding-bottom:34px;
  }

  .footer-grid {
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:56px;
    padding:88px 0 48px;
  }

  .footer-brand .brand {
    margin-bottom:16px;
  }

  .footer-brand p {
    max-width:320px;
    color:var(--text-muted);
    font-size:14px;
    line-height:1.9;
  }

  .footer-title {
    color:var(--text-title);
    font-size:15px;
    font-weight:700;
    margin-bottom:18px;
  }

  .footer-link-list {
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:10px;
  }

  .footer-link-list a {
    color:var(--text-muted);
    font-size:14px;
    transition:color .16s ease,padding-left .16s ease;
  }

  .footer-link-list a:hover {
    color:var(--accent);
    padding-left:4px;
  }

  .footer-linked {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    border-top:1px solid rgba(255,255,255,.07);
    padding-top:24px;
    color:var(--text-muted);
    font-size:13px;
  }

  main {
    flex:1;
  }

  /* ========== 响应式 ========== */
  @media (max-width:1200px) {
    .nav-links a {
      padding:0 10px;
    }

    .proof-grid {
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }

    .proof-item {
      padding:14px;
      flex-direction:column;
    }

    .path-grid {
      grid-template-columns:repeat(2,1fr);
    }

    .path-item {
      min-height:auto;
    }

    .cta-band {
      flex-direction:column;
      padding:44px 36px;
    }
  }

  @media (max-width:1024px) {
    .nav-links {
      position:fixed;
      inset:0;
      flex-direction:column;
      justify-content:center;
      gap:22px;
      padding:48px 28px;
      background:rgba(5,12,22,.98);
      opacity:0;
      visibility:hidden;
      transform:translateY(-24px);
      transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
      border-radius:0;
    }

    .site-header.nav-open .nav-links {
      opacity:1;
      visibility:visible;
      transform:none;
    }

    .nav-links a,
    .nav-links a.active {
      font-size:18px;
      color:var(--text-body);
      background:transparent;
      box-shadow:none;
      border:0;
      min-height:48px;
      padding:0 10px;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color:var(--accent);
      background:rgba(52,229,180,.08);
      box-shadow:inset 0 -2px 0 var(--accent);
    }

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

    .nav-right .btn-ghost {
      display:none;
    }

    .proof-grid {
      grid-template-columns:repeat(2,1fr);
    }

    .group-card {
      grid-template-columns:1fr;
      gap:32px;
    }

    .group-card.alt .group-visual {
      order:0;
    }

    .group-visual img {
      aspect-ratio:16/9;
    }

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

    .scene-card:last-child {
      grid-column:1 / -1;
    }

    .footer-grid {
      grid-template-columns:1fr 1fr;
      gap:40px;
    }
  }

  @media (max-width:768px) {
    .section {
      padding:64px 0;
    }

    .cta-section {
      padding-bottom:64px;
    }

    .page-hero {
      padding-top:135px;
    }

    .page-hero .lead {
      font-size:15px;
      line-height:1.9;
    }

    .hero-actions .btn {
      width:100%;
    }

    .group-name {
      font-size:1.3rem;
    }

    .path-panel {
      padding:24px 20px;
    }

    .footer-grid {
      grid-template-columns:1fr;
      gap:32px;
      padding:64px 0 40px;
    }

    .footer-linked {
      align-items:flex-start;
      flex-direction:column;
      gap:10px;
    }
  }

  @media (max-width:520px) {
    .container {
      padding:0 16px;
    }

    .nav-bar {
      width:calc(100% - 32px);
      padding-left:10px;
    }

    .brand-name {
      font-size:14px;
    }

    .nav-right .btn-primary {
      display:none;
    }

    .page-hero {
      padding-top:130px;
      padding-bottom:50px;
    }

    .breadcrumb {
      font-size:12px;
    }

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

    .proof-item {
      flex-direction:row;
    }

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

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

    .scene-card:last-child {
      grid-column:auto;
    }

    .group-card {
      gap:24px;
      padding-bottom:56px;
      margin-bottom:56px;
    }

    .group-desc {
      font-size:15px;
    }

    .cta-band {
      padding:36px 24px;
    }

    .cta-actions .btn {
      width:100%;
    }

    .faq-question {
      font-size:15px;
      padding:16px 18px;
    }

    .faq-answer {
      padding:0 18px 20px;
    }
  }

/* roulang page: category3 */
:root {
  --bg-base: #0a1424;
  --bg-deep: #07101c;
  --bg-soft: #101f33;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-strong: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.2);
  --accent: #34e5b4;
  --accent-hover: #1dca99;
  --accent-deep: #06261c;
  --accent-blue: #4f8dff;
  --signal: #ffc46b;
  --text-title: #eef5ff;
  --text-body: #b7c6da;
  --text-muted: #7e93ab;
  --radius-sm: 6px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-glow: 0 0 22px rgba(46, 229, 178, 0.35);
  --max-width: 1280px;
  --space-section: 96px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-body);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 20% 10%, rgba(52, 229, 180, 0.05) 0%, transparent 55%), radial-gradient(ellipse at 85% 80%, rgba(79, 141, 255, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, textarea {
  font-family: inherit;
  font-size: 15px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.site-header {
  background: transparent;
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 12px 0 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(10, 20, 36, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 8px 19px 8px 22px;
  box-shadow: 0 8px 32px rgba(5, 10, 20, 0.5), var(--glass-highlight);
  max-width: var(--max-width);
  margin: 0 auto;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

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

.brand-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3cf0bd, #1cbf96);
  color: var(--accent-deep);
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(46, 229, 178, 0.3);
}

.brand-name {
  color: var(--text-title);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  padding: 3px;
  border-radius: var(--radius-pill);
}

.nav-links a {
  font-size: 14.5px;
  color: var(--text-body);
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: background 0.16s ease, color 0.16s ease;
  line-height: 1.4;
  white-space: nowrap;
  display: inline-block;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-title);
}

.nav-links a.active {
  background: rgba(52, 229, 180, 0.14);
  color: var(--accent);
  box-shadow: inset 0 -2px 0 rgba(52, 229, 180, 0.4);
}

.nav-links a:focus-visible,
.brand:focus-visible,
.mobile-menu-btn:focus-visible,
.btn:focus-visible,
.accordion-button:focus-visible {
  outline: 2px solid rgba(52, 229, 180, 0.8);
  outline-offset: 2px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 21px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  color: #d7e3f2;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.header-cta:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.36);
  color: #fff;
}

.header-cta:active {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(1px);
}

.mobile-menu-btn {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-title);
  font-size: 19px;
  line-height: 1;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  cursor: pointer;
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.hero {
  min-height: 340px;
  display: flex;
  align-items: center;
  position: relative;
  padding: 70px 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 16, 28, 0.9) 0%, rgba(10, 20, 36, 0.76) 55%, rgba(10, 20, 36, 0.45) 100%);
}

.hero-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-left {
  max-width: 625px;
  padding: 20px 0;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--signal);
  background: rgba(255, 196, 107, 0.1);
  border: 1px solid rgba(255, 196, 107, 0.22);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal);
  border-radius: 50%;
  display: inline-block;
}

.hero h1 {
  color: var(--text-title);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.hero h1 .mint-border {
  display: inline-block;
  position: relative;
}

.hero h1 .mint-border::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 8px;
  background: linear-gradient(90deg, rgba(52, 229, 180, 0.18), rgba(52, 229, 180, 0.06), transparent);
  border-radius: var(--radius-sm);
  z-index: -1;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-mini {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: #cbd9e8;
}

.tag-mini::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.9;
}

.hero-right {
  width: 220px;
  margin-top: auto;
  align-self: flex-end;
  text-align: right;
}

.hero-stat-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  display: inline-block;
  text-align: left;
  backdrop-filter: blur(6px);
}

.hero-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.hero-stat-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero-stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.3;
}

.hero-stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.section {
  padding: 70px 0;
  position: relative;
}

.section + .section {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.section-title {
  color: var(--text-title);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.section-title .line {
  width: 38px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  display: block;
  margin-bottom: 14px;
}

.section-remark {
  max-width: 560px;
  font-size: 14px;
  color: var(--text-muted);
  text-align: right;
}

.icon-shortcut-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.shortcut-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  text-align: center;
  transition: all 0.2s ease;
  display: block;
}

.shortcut-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(52, 229, 180, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(10, 15, 30, 0.5);
}

.shortcut-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(52, 229, 180, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 20px;
  color: var(--accent);
}

.shortcut-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 6px;
}

.shortcut-note {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

.card-section {
  padding: 75px 0 50px;
}

.grid-list-area {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.grid-card-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  backdrop-filter: blur(8px);
}

.grid-card-row:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 42px rgba(5, 12, 22, 0.5);
  border-color: rgba(52, 229, 180, 0.3);
}

.grid-card-media {
  position: relative;
  min-height: 180px;
  overflow: hidden;
}

.grid-card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.grid-card-row:hover .grid-card-media img {
  transform: scale(1.05);
}

.grid-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 20, 36, 0.08) 0%, rgba(10, 20, 36, 0.5) 100%);
}

.grid-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.grid-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.grid-card-tag::before {
  content: "";
  width: 3px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
}

.grid-card-body h3 {
  color: var(--text-title);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
}

.grid-card-body p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 18px;
}

.grid-card-action {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}

.grid-card-action:hover {
  color: #57f0c7;
  border-bottom-color: rgba(52, 229, 180, 0.5);
}

.split-list-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
}

.split-list-left {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.number-row {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.015);
  border-left: 2px solid rgba(52, 229, 180, 0.4);
  padding: 20px 24px;
  border-radius: 8px 20px 20px 8px;
  transition: background 0.2s ease, border-left-color 0.2s ease;
}

.number-row:hover {
  background: rgba(255, 255, 255, 0.04);
  border-left-color: var(--accent);
}

.number-index {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.5;
  line-height: 1.2;
  font-family: "SF Mono", "Fira Code", monospace;
}

.number-content h4 {
  color: var(--text-title);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.number-content p {
  font-size: 14.5px;
  color: var(--text-body);
  line-height: 1.8;
}

.split-list-right {
  padding: 30px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  position: sticky;
  top: 110px;
}

.warning-panel h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.warning-panel h3::before {
  content: "!";
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 196, 107, 0.16);
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.warning-panel p {
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 14px;
  line-height: 1.8;
}

.tips-list {
  list-style: none;
  padding: 0;
}

.tips-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-body);
}

.tips-list li::before {
  content: "";
  position: absolute;
  left: 0px;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: rgba(52, 229, 180, 0.2);
  transform: rotate(45deg);
}

.faq-area {
  max-width: 900px;
  margin: 0 auto;
}

.faq-center-title {
  text-align: center;
  margin-bottom: 46px;
}

.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: background 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.faq-item.active,
.faq-item:hover {
  background: rgba(52, 229, 180, 0.09);
  border-color: rgba(52, 229, 180, 0.3);
}

.accordion-button {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  color: var(--text-title);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  gap: 16px;
  transition: all 0.2s ease;
}

.accordion-icon {
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.13);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--accent);
  transition: all 0.3s ease;
  font-style: normal;
}

.faq-item.active .accordion-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: var(--accent-deep);
  border-color: var(--accent);
}

.file-syntax {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.file-syntax-inner {
  padding: 0 24px 20px;
}

.file-syntax p {
  font-size: 14.5px;
  color: var(--text-body);
  line-height: 1.8;
}

.file-syntax p + p {
  margin-top: 10px;
}

.hl-accent {
  color: var(--accent);
  font-weight: 600;
}

.hl-signal {
  color: var(--signal);
}

.steps-area {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 25px;
}

.step-col {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 27px 22px;
  text-align: center;
  transition: all 0.2s ease;
}

.step-col:hover {
  background: rgba(52, 229, 180, 0.06);
  border-color: rgba(52, 229, 180, 0.2);
  transform: translateY(-4px);
}

.step-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(52, 229, 180, 0.1);
  display: inline-flex;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.step-icon {
  font-size: 31px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.step-col h4 {
  color: var(--text-title);
  font-size: 16px;
  margin-bottom: 8px;
  font-weight: 700;
}

.step-col p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
}

.cta-band {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 55px 55px 60px;
  text-align: center;
  border: 1px solid var(--glass-border);
  margin: 0;
}

.cta-band-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  z-index: 0;
}

.cta-band-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 16, 28, 0.9) 0%, rgba(10, 20, 36, 0.75) 100%);
}

.cta-inner {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  color: var(--text-title);
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-content {
  font-size: 16px;
  color: var(--text-body);
  max-width: 650px;
  margin: 0 auto 28px;
  line-height: 1.8;
}

.cta-submit {
  text-align: center;
}

.link-muted-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}

.buttons-line {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #3cf0bd, #1cbf96);
  color: var(--accent-deep);
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 0 22px rgba(46, 229, 178, 0.35);
  transition: box-shadow 0.2s ease, background 0.2s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4afece, #26daa4);
  box-shadow: 0 0 32px rgba(46, 229, 178, 0.5);
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-primary:active,
.btn-secondary:active {
  transform: scale(0.97);
}

.btn-secondary {
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  color: #d7e3f2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.36);
}

.visit-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 40px;
}

.flow-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px 18px 19px;
  text-align: center;
  position: relative;
}

.flow-index {
  position: absolute;
  top: 8px;
  left: 13px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 700;
  opacity: 0.5;
}

.flow-icon {
  font-size: 29px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(52, 229, 180, 0.12);
  color: var(--accent);
  margin: 4px auto 13px;
}

.flow-title {
  color: var(--text-title);
  font-size: 15px;
  margin-bottom: 7px;
  font-weight: 700;
}

.flow-action {
  font-size: 14px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  border-bottom: 1px dashed rgba(52, 229, 180, 0.3);
}

footer {
  background: var(--bg-deep);
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer .brand {
  margin-bottom: 14px;
}

footer .brand .brand-name {
  font-size: 17px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 45px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 14.5px;
  color: var(--text-muted);
  max-width: 340px;
  line-height: 1.75;
  margin-top: 4px;
}

.footer-title {
  color: var(--text-title);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-link-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link-list a {
  color: var(--text-muted);
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-link-list a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-linked {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 21px;
}

.footer-linked span {
  color: #607182;
  font-size: 13px;
}

.footer-linked span.middle {
  font-family: "SF Mono", "Fira Code", monospace;
}

/* Drawer mobile nav */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
}

.drawer-panel {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(360px, 88%);
  background: var(--bg-deep);
  z-index: 300;
  flex-direction: column;
  padding: 28px 24px 20px;
  box-shadow: -10px 0 50px rgba(0, 0, 0, 0.45);
  animation: drawerIn 0.25s ease;
}

.drawer-panel.open {
  display: flex;
  flex-direction: column;
}

.drawer-overlay.open {
  display: block;
}

.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 45px;
}

.drawer-close-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  line-height: 1;
  font-size: 17px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.drawer-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.drawer-nav a {
  color: var(--text-title);
  font-size: 19px;
  font-weight: 700;
  padding: 13px 15px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background 0.13s, border-color 0.13s, color 0.13s;
  display: block;
}

.drawer-nav a:hover {
  background: rgba(255, 255, 255, 0.05);
}

.drawer-nav a.drawer-active {
  background: rgba(52, 229, 180, 0.1);
  color: var(--accent);
  border-color: rgba(52, 229, 180, 0.18);
}

.drawer-foot {
  margin-top: auto;
}

.drawer-legal {
  font-size: 12.5px;
  color: #52647a;
  text-align: left;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

@keyframes drawerIn {
  from {
    transform: translateX(60px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeUp 0.55s ease both;
}

.section:nth-of-type(1) { animation-delay: 0.05s; }
.section:nth-of-type(2) { animation-delay: 0.1s; }
.section:nth-of-type(3) { animation-delay: 0.15s; }
.section:nth-of-type(4) { animation-delay: 0.2s; }
.section:nth-of-type(5) { animation-delay: 0.25s; }
.section:nth-of-type(6) { animation-delay: 0.3s; }

@media (max-width: 1200px) {
  .brand-name {
    font-size: 16px;
  }
  .nav-links a {
    padding: 6px 12px;
    font-size: 14px;
  }
  .header-cta {
    padding: 8px 15px;
    font-size: 13px;
  }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .header-inner {
    padding: 7px 16px 7px 20px;
  }
  .hero {
    padding: 55px 0;
  }
  .hero-inner {
    flex-direction: column;
    gap: 18px;
  }
  .hero-right {
    display: none;
  }
  .section-header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
  .section-remark {
    text-align: left;
  }
  .grid-card-row {
    grid-template-columns: 1fr;
  }
  .grid-card-media {
    min-height: 220px;
  }
  .split-list-wrap {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .split-list-right {
    position: static;
  }
  .icon-shortcut-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .steps-area {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .step-col {
    padding: 21px 14px;
  }
  .visit-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .section {
    padding: 52px 0;
  }
  .card-section {
    padding: 52px 0 34px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .footer-brand p {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }
  .brand-name {
    font-size: 15px;
    max-width: 100%;
  }
  .header-inner {
    gap: 9px;
  }
  .hero {
    min-height: 410px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .split-list-wrap {
    grid-template-columns: 1fr;
  }
  .steps-area {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .footer-linked {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
  }
  .section {
    --space-section: 58px;
    padding: 45px 0;
  }
  .card-section {
    padding: 40px 0 30px;
  }
  .grid-card-media {
    min-height: 160px;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .btn-primary {
    width: 100%;
  }
  .btn-secondary {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  body {
    font-size: 15px;
  }
  .header-inner {
    border-radius: 40px;
    padding: 6px 10px 6px 16px;
  }
  .brand-badge {
    width: 31px;
    height: 31px;
    font-size: 16px;
  }
  .brand-name {
    font-size: 14px;
    white-space: normal;
    word-break: break-all;
    line-height: 1.3;
    max-width: 156px;
  }
  .mobile-menu-btn {
    width: 40px;
    height: 40px;
    font-size: 17px;
  }
  .hero {
    padding: 48px 0;
    min-height: 380px;
  }
  .grid-card-body {
    padding: 22px 18px;
  }
  .grid-card-body h3 {
    font-size: 18px;
  }
  .accordion-button {
    font-size: 15px;
    padding: 15px 16px;
  }
  .icon-shortcut-list {
    grid-template-columns: 1fr 1fr;
  }
  .visit-flow {
    grid-template-columns: 1fr;
  }
  .cta-band {
    padding: 35px 20px;
  }
  .hero-desc {
    font-size: 14.5px;
  }
  .section-header {
    margin-bottom: 22px;
  }
}