/* roulang page: index */
:root{
  --bg:#071426;
  --bg-2:#0A1730;
  --panel:#0B1C33;
  --panel-2:#0E2340;
  --glass:rgba(13,30,54,.72);
  --glass-border:rgba(255,255,255,.10);
  --cyan:#37E6D4;
  --purple:#7C5CFF;
  --gold:#FFB84D;
  --text:#E8F0FA;
  --body:#B9C7DB;
  --muted:#7F91AA;
  --line:rgba(255,255,255,.08);
  --r-card:18px;
  --r-btn:14px;
  --r-input:12px;
  --shadow-card:0 16px 40px rgba(0,0,0,.35);
  --shadow-glow:0 0 24px rgba(55,230,212,.25);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.75;
  color:var(--body);
  background-color:var(--bg);
  background-image:
    radial-gradient(1200px 620px at 12% -6%, rgba(55,230,212,.14), transparent 60%),
    radial-gradient(1000px 560px at 92% 4%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(900px 700px at 50% 110%, rgba(55,230,212,.07), transparent 60%),
    linear-gradient(180deg,#071426 0%,#0A1730 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(55,230,212,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55,230,212,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%, #000 10%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%, #000 10%, transparent 78%);
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#6FF3E6;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
  position:relative;
  z-index:1;
}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  background-image:linear-gradient(var(--glass),var(--glass)),linear-gradient(90deg,rgba(55,230,212,.55),rgba(124,92,255,.55));
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.nav-top{
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 0 10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  box-shadow:0 0 22px rgba(55,230,212,.35);
  display:grid;place-items:center;
  color:#04101F;font-size:15px;font-weight:800;
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
  display:flex;
  align-items:center;
}
.nav-search svg{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--muted);pointer-events:none;
}
.nav-search input{
  width:100%;
  height:52px;
  border-radius:999px;
  padding:0 96px 0 48px;
  background:rgba(9,22,42,.86);
  border:1px solid var(--glass-border);
  color:var(--text);
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{
  outline:none;
  border-color:var(--cyan);
  background:rgba(9,24,46,.96);
  box-shadow:0 0 0 3px rgba(55,230,212,.16),0 0 26px rgba(55,230,212,.28);
}
.kbd-hint{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:11px;letter-spacing:.06em;
  color:var(--muted);
  border:1px solid var(--glass-border);
  border-radius:8px;
  padding:3px 8px;
  background:rgba(255,255,255,.03);
  pointer-events:none;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--glass-border);
  align-items:center;justify-content:center;
  color:var(--text);
}
.nav-pills{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding:0 0 12px;
  scrollbar-width:none;
}
.nav-pills::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  font-size:13px;
  font-weight:500;
  color:var(--body);
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  transition:all .2s ease;
}
.pill:hover{color:var(--text);border-color:rgba(55,230,212,.5);background:rgba(55,230,212,.08);}
.pill.active{
  color:#04101F;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  border-color:transparent;
  box-shadow:0 0 18px rgba(55,230,212,.32);
  font-weight:600;
}
.mobile-drawer{
  display:none;
  padding:6px 0 16px;
  border-top:1px solid var(--line);
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;
  padding:12px 4px;
  font-size:15px;
  color:var(--body);
  border-bottom:1px dashed var(--line);
}
.mobile-drawer a:hover{color:var(--cyan);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15px;
  padding:14px 26px;
  transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,background .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#37E6D4,#7C5CFF);
  color:#04101F;
  box-shadow:0 0 28px rgba(55,230,212,.45);
}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 0 36px rgba(55,230,212,.6);color:#04101F;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.16);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:rgba(55,230,212,.6);
  box-shadow:0 0 20px rgba(55,230,212,.22);
  color:var(--text);
  transform:translateY(-1px);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
@media(min-width:768px){.section{padding:96px 0;}}
.section-head{max-width:720px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  font-weight:600;
  color:var(--cyan);
  text-transform:uppercase;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(55,230,212,.3);
  background:rgba(55,230,212,.07);
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px;}
.section-head p{color:var(--body);font-size:15px;max-width:620px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(7,20,38,.94) 0%,rgba(7,20,38,.72) 45%,rgba(7,20,38,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.85;
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-140px;top:-160px;
  background:radial-gradient(circle,rgba(124,92,255,.34),transparent 66%);
  filter:blur(10px);
  z-index:0;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:44px;
  align-items:center;
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;color:var(--body);
  padding:8px 16px;border-radius:999px;
  background:rgba(13,30,54,.72);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  margin-bottom:22px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);display:inline-block;}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,#37E6D4,#7C5CFF 70%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:clamp(1rem,1.4vw,1.125rem);
  color:var(--body);
  max-width:560px;
  margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  max-width:520px;
}
.hero-stats .num{
  font-family:"Space Grotesk",var(--font-cn);
  font-size:1.5rem;font-weight:700;color:var(--text);
}
.hero-stats .lbl{font-size:12.5px;color:var(--muted);}
.hero-visual{
  position:relative;
  border-radius:22px;
  padding:16px;
  background:rgba(13,30,54,.72);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.hero-visual .frame{
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-chips{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:16px;
}
.chip{
  font-size:12.5px;
  color:var(--body);
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.chip.gold{color:var(--gold);border-color:rgba(255,184,77,.32);background:rgba(255,184,77,.08);}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media(min-width:768px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));}
  .bento .cell-lg{grid-column:span 2;}
}
@media(min-width:1024px){
  .bento{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:minmax(170px,auto);}
  .bento .cell-lg{grid-column:span 2;grid-row:span 2;}
}
.cell{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:28px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.cell:hover{transform:translateY(-4px);border-color:rgba(55,230,212,.5);box-shadow:var(--shadow-glow);}
.cell-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(55,230,212,.18),rgba(124,92,255,.18));
  border:1px solid rgba(55,230,212,.28);
  color:var(--cyan);
  font-size:20px;
  font-weight:700;
}
.cell h3{font-size:1.25rem;}
.cell p{font-size:14.5px;color:var(--body);}
.cell-lg{
  justify-content:space-between;
  background:linear-gradient(150deg,rgba(13,30,54,.86),rgba(11,28,51,.6));
}
.cell-lg .cell-media{
  border-radius:14px;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  margin-top:auto;
}
.cell-lg .cell-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cell-list{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.cell-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--body);
}
.cell-list li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  margin-top:9px;flex:0 0 6px;
  box-shadow:0 0 10px rgba(55,230,212,.7);
}

/* ---------- Carousel ---------- */
.carousel-wrap{position:relative;}
.carousel{
  display:flex;
  gap:22px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:6px 4px 22px;
  scrollbar-width:none;
}
.carousel::-webkit-scrollbar{display:none;}
.shot{
  flex:0 0 88%;
  scroll-snap-align:start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.shot:hover{transform:translateY(-4px);border-color:rgba(55,230,212,.45);box-shadow:var(--shadow-glow);}
.shot img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.shot-body{padding:20px 22px 24px;}
.shot-body h3{font-size:1.0625rem;margin-bottom:8px;}
.shot-body p{font-size:14px;color:var(--body);}
.shot-tag{
  display:inline-block;font-size:12px;color:var(--cyan);
  border:1px solid rgba(55,230,212,.3);
  background:rgba(55,230,212,.08);
  border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
@media(min-width:768px){.shot{flex:0 0 52%;}}
@media(min-width:1024px){.shot{flex:0 0 38%;}}
.carousel-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:4px;}
.carousel-nav button{
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  color:var(--text);
  display:grid;place-items:center;
  transition:all .2s ease;
}
.carousel-nav button:hover{border-color:var(--cyan);box-shadow:0 0 18px rgba(55,230,212,.28);}

/* ---------- System panel ---------- */
.spec-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.spec-row{
  display:grid;
  grid-template-columns:1.1fr 1.6fr 1fr 1fr;
  gap:16px;
  padding:18px 24px;
  font-size:14.5px;
  align-items:center;
}
.spec-row:nth-child(odd){background:rgba(255,255,255,.02);}
.spec-row.head{
  background:linear-gradient(90deg,rgba(55,230,212,.14),rgba(124,92,255,.14));
  font-weight:600;color:var(--text);font-size:13.5px;letter-spacing:.04em;
}
.spec-row .key{color:var(--text);font-weight:600;}
.spec-row .val{color:var(--body);}
.spec-note{
  margin-top:18px;
  font-size:13.5px;
  color:var(--muted);
  padding:16px 20px;
  border-radius:14px;
  border:1px dashed rgba(55,230,212,.28);
  background:rgba(55,230,212,.04);
}
@media(max-width:860px){
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .spec-row.head{display:none;}
  .spec-row .val::before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);}
}

/* ---------- Reviews ---------- */
.reviews{
  columns:1;
  column-gap:22px;
}
@media(min-width:768px){.reviews{columns:2;}}
@media(min-width:1024px){.reviews{columns:3;}}
.review{
  break-inside:avoid;
  margin-bottom:22px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  padding:24px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.review:hover{transform:translateY(-4px);border-color:rgba(55,230,212,.45);box-shadow:var(--shadow-glow);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;border-radius:50%;
  overflow:hidden;flex:0 0 44px;
  border:1px solid rgba(55,230,212,.35);
}
.avatar img{width:100%;height:100%;object-fit:cover;}
.review-name{font-size:14.5px;font-weight:600;color:var(--text);}
.review-role{font-size:12.5px;color:var(--muted);}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-bottom:10px;}
.review p{font-size:14.5px;color:var(--body);}

/* ---------- Download CTA ---------- */
.download-cta{
  position:relative;
  border-radius:24px;
  padding:44px 28px;
  background:
    radial-gradient(700px 300px at 10% 0%, rgba(55,230,212,.22), transparent 60%),
    radial-gradient(620px 300px at 92% 100%, rgba(124,92,255,.26), transparent 62%),
    linear-gradient(160deg,#0B1C33,#08182E);
  border:1px solid rgba(55,230,212,.22);
  box-shadow:0 24px 70px rgba(0,0,0,.45);
}
@media(min-width:768px){.download-cta{padding:56px 52px;}}
.dl-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
@media(min-width:1024px){.dl-grid{grid-template-columns:1.4fr .6fr;}}
.dl-cta-buttons{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 20px;}
.platform-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.platform-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--body);
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:all .2s ease;
}
.platform-pill:hover{border-color:rgba(55,230,212,.45);color:var(--text);}
.safety-note{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.qr-box{
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-border);
  border-radius:18px;
  padding:22px;
  text-align:center;
}
.qr-box .qr{
  width:150px;height:150px;margin:0 auto 14px;
  border-radius:14px;
  background:
    repeating-linear-gradient(0deg,rgba(55,230,212,.28) 0 6px,transparent 6px 12px),
    repeating-linear-gradient(90deg,rgba(124,92,255,.28) 0 6px,transparent 6px 12px),
    #0A1730;
  border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;
  color:var(--muted);
  font-size:12px;
}
.qr-box p{font-size:13px;color:var(--muted);}

/* ---------- News ---------- */
.news-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-card);
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  color:var(--body);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(55,230,212,.45);box-shadow:var(--shadow-glow);color:var(--body);}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{
  font-size:12px;
  color:var(--cyan);
  padding:4px 12px;
  border-radius:999px;
  background:rgba(55,230,212,.09);
  border:1px solid rgba(55,230,212,.28);
}
.news-meta .time{font-size:12.5px;color:var(--muted);}
.news-body h3{font-size:1.0625rem;line-height:1.5;color:var(--text);}
.news-body p{font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-body .arrow{margin-top:auto;font-size:13.5px;color:var(--cyan);transition:transform .2s ease;}
.news-card:hover .arrow{transform:translateX(5px);}
.empty-state{
  padding:44px 24px;
  text-align:center;
  border-radius:var(--r-card);
  border:1px dashed rgba(55,230,212,.3);
  background:rgba(55,230,212,.04);
  color:var(--muted);
  font-size:14.5px;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel);
  padding:0;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{
  border-color:rgba(55,230,212,.4);
  box-shadow:0 0 26px rgba(55,230,212,.14);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 28px;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(55,230,212,.4);
  color:var(--cyan);
  font-size:16px;
  line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(55,230,212,.14);}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--body);line-height:1.8;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,20,38,.4),rgba(6,16,30,.95));
  padding:64px 0 30px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);margin-bottom:14px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:16px;text-transform:uppercase;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--body);}
.footer-col a:hover{color:var(--cyan);}
.footer-desc{font-size:14px;color:var(--muted);max-width:320px;margin-bottom:18px;}
.footer-search{display:flex;gap:10px;}
.footer-search input{
  flex:1;
  height:46px;
  border-radius:var(--r-input);
  padding:0 16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-border);
  color:var(--text);
  font-size:14px;
}
.footer-search input::placeholder{color:var(--muted);}
.footer-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(55,230,212,.14);}
.footer-search button{
  height:46px;padding:0 20px;border-radius:var(--r-input);
  background:linear-gradient(135deg,#37E6D4,#7C5CFF);
  color:#04101F;font-weight:600;font-size:14px;
  transition:filter .2s ease,transform .2s ease;
}
.footer-search button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--cyan);}
.spec-mini{font-size:13.5px;color:var(--body);}
.spec-mini li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line);}
.spec-mini li span:last-child{color:var(--text);}

/* ---------- Responsive nav ---------- */
@media(max-width:1023px){
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin-top:10px;}
  .nav-top{flex-wrap:wrap;}
  .nav-actions .btn-ghost{display:none;}
  .menu-toggle{display:inline-flex;}
}
@media(max-width:639px){
  .brand{font-size:17px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px;border-radius:10px;}
  .nav-actions .btn-primary{display:none;}
  .hero-cta .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .hero{padding:44px 0 56px;}
  .section{padding:64px 0;}
  .download-cta{padding:32px 20px;}
  .dl-cta-buttons .btn{width:100%;}
  .cell{padding:22px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --bg:#071426;
  --bg-2:#0A1730;
  --panel:#0B1C33;
  --glass:rgba(13,30,54,.72);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --cyan:#37E6D4;
  --purple:#7C5CFF;
  --gold:#FFB84D;
  --title:#EAF3FF;
  --body:#B9C7DB;
  --muted:#7F91AA;
  --radius-card:18px;
  --radius-btn:14px;
  --radius-input:12px;
  --shadow-card:0 16px 40px rgba(0,0,0,.35);
  --shadow-cyan:0 0 24px rgba(55,230,212,.25);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  position:relative;
  color:var(--body);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  background:
    radial-gradient(1100px 560px at 10% -12%, rgba(124,92,255,.20), transparent 62%),
    radial-gradient(900px 520px at 90% -4%, rgba(55,230,212,.15), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(55,230,212,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(55,230,212,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7FF3E7}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:72px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2rem);
  line-height:1.25;
  font-weight:700;
  color:var(--title);
  margin:0 0 12px;
}
.section-head p{margin:0;color:var(--muted);font-size:.95rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--purple))}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,20,38,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(55,230,212,.75),rgba(124,92,255,.75),transparent);
}
.header-inner{padding-top:14px;padding-bottom:12px}
.header-top{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  color:#04101F;font-weight:800;font-size:.92rem;letter-spacing:.02em;
  box-shadow:0 0 20px rgba(55,230,212,.35);
}
.brand-text{font-size:20px;font-weight:800;color:var(--title);letter-spacing:.01em;white-space:nowrap}

.search-shell{
  flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;gap:10px;
  height:52px;padding:0 16px;
  border-radius:999px;
  background:rgba(13,30,54,.78);
  border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-shell:focus-within{
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(55,230,212,.14),0 0 24px rgba(55,230,212,.22);
  background:rgba(11,28,51,.92);
}
.search-shell svg{flex:0 0 18px;width:18px;height:18px;color:var(--cyan)}
.search-shell input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--title);
}
.search-shell input::placeholder{color:var(--muted)}
.search-kbd{
  flex:0 0 auto;font-size:11px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:2px 9px;
  letter-spacing:.04em;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  color:#04101F;
  box-shadow:0 0 28px rgba(55,230,212,.45);
}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);color:#04101F}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  color:var(--title);
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 18px rgba(55,230,212,.2)}
.btn-gold{
  background:linear-gradient(135deg,#FFB84D,#FF8A3D);
  color:#231204;box-shadow:0 0 26px rgba(255,184,77,.35);
}
.btn-gold:hover{filter:brightness(1.08);transform:translateY(-1px);color:#231204}
.btn-block{width:100%}

.menu-toggle{
  display:none;width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(13,30,54,.8);color:var(--title);
  place-items:center;
}
.menu-toggle svg{width:20px;height:20px}

.nav-pills{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;overflow-x:auto;padding-bottom:4px;
  scrollbar-width:none;
}
.nav-pills::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;
  padding:8px 16px;border-radius:999px;
  color:var(--body);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:all .2s ease;
}
.pill:hover{color:var(--cyan);border-color:rgba(55,230,212,.5);background:rgba(55,230,212,.08)}
.pill.active{
  color:#04101F;font-weight:600;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  border-color:transparent;
  box-shadow:0 0 18px rgba(55,230,212,.32);
}
.drawer{
  display:none;
  margin-top:12px;padding:16px;
  border-radius:14px;
  background:rgba(13,30,54,.9);
  border:1px solid var(--line);
}
.drawer.open{display:grid;gap:10px}
.drawer .btn{width:100%}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:44px 0 8px;
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.16;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--body);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:820px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
  padding:5px 13px;border-radius:999px;
  background:rgba(55,230,212,.1);
  border:1px solid rgba(55,230,212,.32);
  color:var(--cyan);
}
.badge-gold{background:rgba(255,184,77,.1);border-color:rgba(255,184,77,.34);color:var(--gold)}
.article-head h1{
  font-size:clamp(1.7rem,4vw,2.7rem);
  line-height:1.22;
  font-weight:800;
  color:var(--title);
  margin:16px 0 14px;
  letter-spacing:.01em;
}
.article-lead{font-size:1rem;color:var(--body);margin:0 0 20px;max-width:760px}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 20px;
  font-size:13px;color:var(--muted);
  padding-top:16px;border-top:1px solid var(--line);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row i{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;font-style:normal}

/* ---------- Reading body ---------- */
.reading-wrap{padding:36px 0 8px}
.reading-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:34px 40px;
  max-width:880px;
}
.article-body{font-size:1rem;line-height:1.85;color:var(--body);word-break:break-word}
.article-body > * + *{margin-top:18px}
.article-body h2{
  position:relative;
  font-size:clamp(1.25rem,2.4vw,1.6rem);
  font-weight:700;line-height:1.35;color:var(--title);
  padding-left:16px;margin:38px 0 0;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--purple));
}
.article-body h3{font-size:1.15rem;font-weight:600;color:#E4EEFA;margin:28px 0 0}
.article-body h4{font-size:1.02rem;font-weight:600;color:#DCE8F6;margin:22px 0 0}
.article-body p{margin:0}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(55,230,212,.35)}
.article-body a:hover{color:#7FF3E7;border-bottom-color:#7FF3E7}
.article-body ul,.article-body ol{padding-left:6px;display:grid;gap:8px}
.article-body ul li{position:relative;padding-left:18px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(55,230,212,.6);
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol li{padding-left:4px}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--cyan);
  background:rgba(55,230,212,.06);
  border-radius:0 14px 14px 0;
  color:#CFE0F2;
}
.article-body blockquote p{margin:0}
.article-body figure{margin:26px 0}
.article-body img{
  width:100%;height:auto;border-radius:14px;
  border:1px solid var(--line);
  margin:24px auto;
  background:rgba(255,255,255,.03);
}
.article-body figcaption,.article-body .caption{
  text-align:center;font-size:.86rem;color:var(--muted);margin-top:-12px;
}
.article-body table{
  width:100%;border-collapse:collapse;
  font-size:.94rem;margin:24px 0;
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;
}
.article-body th{background:rgba(55,230,212,.09);color:#E6F1FF;font-weight:600;white-space:nowrap}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  background:rgba(255,255,255,.08);color:#9BE9DF;
  padding:2px 7px;border-radius:6px;font-size:.9em;
}
.article-body pre{
  background:#04101F;border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;overflow-x:auto;max-width:100%;
}
.article-body pre code{background:none;padding:0;color:#A9E7DC}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:32px 0}

.empty-state{
  text-align:center;padding:40px 20px;
}
.empty-state h2{font-size:1.35rem;color:var(--title);margin:0 0 12px}
.empty-state p{color:var(--muted);margin:0 0 22px}

.back-row{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:30px;padding-top:22px;border-top:1px solid var(--line);
}

/* ---------- Related ---------- */
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(55,230,212,.55);box-shadow:var(--shadow-cyan)}
.rel-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .thumb img{transform:scale(1.05)}
.rel-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,20,38,0) 35%,rgba(7,20,38,.85) 100%);
}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:1.05rem;font-weight:600;line-height:1.45;color:var(--title);margin:0}
.rel-body p{font-size:.9rem;line-height:1.7;color:var(--muted);margin:0}
.rel-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:.87rem;font-weight:600;color:var(--cyan);
}
.rel-card:hover .rel-more{transform:translateX(0)}
.rel-more svg{width:14px;height:14px;transition:transform .25s ease}
.rel-card:hover .rel-more svg{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(11,28,51,.78);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(55,230,212,.5);box-shadow:0 0 22px rgba(55,230,212,.15)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:1rem;font-weight:600;color:var(--title);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--cyan);font-size:15px;line-height:1;
  transition:transform .28s ease,background .28s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(55,230,212,.14)}
.faq-body{padding:0 22px 20px;font-size:.93rem;line-height:1.8;color:var(--body)}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid var(--line);
  background:
    radial-gradient(620px 300px at 12% 0%, rgba(55,230,212,.18), transparent 62%),
    radial-gradient(560px 300px at 92% 100%, rgba(124,92,255,.22), transparent 60%),
    linear-gradient(135deg,#0A1A31,#0B1C33 60%,#0A1730);
  padding:44px 40px;
  box-shadow:var(--shadow-card);
}
.cta-panel h2{font-size:clamp(1.4rem,2.8vw,1.95rem);font-weight:700;color:var(--title);margin:0 0 12px;line-height:1.3}
.cta-panel p{color:var(--body);margin:0 0 26px;max-width:640px;font-size:.96rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:18px;font-size:.82rem;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:64px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,20,38,.6),rgba(5,15,29,.95));
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;gap:30px;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  padding:52px 0 34px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--title);margin-bottom:14px}
.footer-desc{font-size:.9rem;line-height:1.8;color:var(--muted);margin:0 0 18px;max-width:340px}
.footer-col h4{font-size:.95rem;font-weight:700;color:var(--title);margin:0 0 16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:.9rem;color:var(--muted)}
.footer-col ul a:hover{color:var(--cyan)}
.footer-search{display:flex;gap:8px;max-width:340px}
.footer-search input{
  flex:1 1 auto;min-width:0;
  background:rgba(13,30,54,.85);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:11px 14px;font-size:.85rem;color:var(--title);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-search input::placeholder{color:var(--muted)}
.footer-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(55,230,212,.16)}
.footer-search button{
  border-radius:var(--radius-input);padding:11px 18px;font-size:.85rem;font-weight:600;
  background:linear-gradient(135deg,var(--cyan),var(--purple));color:#04101F;
  box-shadow:0 0 18px rgba(55,230,212,.3);
  transition:filter .2s ease,transform .2s ease;
}
.footer-search button:hover{filter:brightness(1.1);transform:translateY(-1px)}
.spec-mini li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:.86rem;color:var(--muted);
  padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.07);
}
.spec-mini li span:last-child{color:var(--body)}
.spec-mini li:last-child{border-bottom:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 30px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .header-top{flex-wrap:wrap}
  .search-shell{order:3;max-width:100%;width:100%;flex-basis:100%}
  .brand-text{font-size:18px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .reading-card{padding:28px 28px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .header-actions{display:none}
  .menu-toggle{display:grid;margin-left:auto}
  .article-hero{padding:30px 0 4px}
  .reading-card{padding:24px 20px}
  .cta-panel{padding:32px 22px;border-radius:20px}
  .breadcrumb .current{max-width:230px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:.82rem}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{padding:12px 16px;font-size:13.5px}
  .cta-actions .btn{width:100%}
  .article-body{font-size:.98rem}
  .article-body table{font-size:.88rem}
  .article-body th,.article-body td{padding:10px 11px}
  .faq-item summary{padding:16px;font-size:.95rem}
  .faq-body{padding:0 16px 18px}
}

/* roulang page: category1 */
:root{
  --bg:#071426;
  --bg-soft:#0A1730;
  --panel:#0B1C33;
  --panel-2:#0D2340;
  --glass:rgba(13,30,54,.72);
  --glass-border:rgba(255,255,255,.10);
  --cyan:#37E6D4;
  --purple:#7C5CFF;
  --amber:#FFB84D;
  --text:#B9C7DB;
  --muted:#7F91AA;
  --head:#EAF2FF;
  --line:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-btn:14px;
  --radius-input:12px;
  --shadow-card:0 16px 40px rgba(0,0,0,.35);
  --shadow-hover:0 0 24px rgba(55,230,212,.25);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Space Grotesk","Segoe UI",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 12% -8%, rgba(124,92,255,.20), transparent 62%),
    radial-gradient(900px 520px at 88% 4%, rgba(55,230,212,.14), transparent 60%),
    linear-gradient(180deg,#071426 0%,#0A1730 58%,#071426 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(55,230,212,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(55,230,212,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7FF3E7;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--head);font-weight:700;line-height:1.25;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  position:relative;
  z-index:1;
}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1280px){.container{padding-left:32px;padding-right:32px;}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(9,22,42,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--glass-border);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(55,230,212,.85),rgba(124,92,255,.85),transparent);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  padding-top:14px;
  padding-bottom:12px;
  flex-wrap:wrap;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--head);
  font-size:20px;
  font-weight:800;
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand:hover{color:var(--head);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:#04101F;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  box-shadow:0 0 20px rgba(55,230,212,.42);
  flex:none;
}
.brand-text{font-size:20px;}

.header-search{
  position:relative;
  flex:1 1 320px;
  display:flex;
  align-items:center;
  min-width:220px;
  height:52px;
  border-radius:999px;
  background:rgba(11,28,51,.85);
  border:1px solid var(--glass-border);
  padding:0 14px 0 46px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.header-search svg{
  position:absolute;
  left:16px;top:50%;
  transform:translateY(-50%);
  width:19px;height:19px;
  stroke:var(--muted);
  transition:stroke .22s ease;
}
.header-search:focus-within{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(55,230,212,.16),0 0 26px rgba(55,230,212,.22);
}
.header-search:focus-within svg{stroke:var(--cyan);}
.header-search input{
  flex:1;
  height:100%;
  border:none;
  background:transparent;
  color:var(--head);
  font-size:14px;
  outline:none;
}
.header-search input::placeholder{color:var(--muted);font-size:14px;}
.header-search kbd{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:8px;
  padding:3px 8px;
  background:rgba(255,255,255,.04);
}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-btn);
  font-size:14px;
  font-weight:600;
  letter-spacing:.2px;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-glow{
  color:#04101F;
  background:linear-gradient(135deg,#37E6D4,#7C5CFF);
  box-shadow:0 0 28px rgba(55,230,212,.45);
}
.btn-glow:hover{filter:brightness(1.1);transform:translateY(-1px);color:#04101F;}
.btn-glow:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--head);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.16);
}
.btn-ghost:hover{
  border-color:rgba(55,230,212,.7);
  box-shadow:0 0 18px rgba(55,230,212,.22);
  color:var(--head);
  transform:translateY(-1px);
}
.btn-lg{padding:15px 30px;font-size:15px;}
.btn-block{width:100%;}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--glass-border);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:18px;height:2px;border-radius:2px;
  background:var(--head);
  transition:transform .2s ease,opacity .2s ease;
}

.nav-pills{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:12px;
  padding-top:2px;
}
.nav-pills::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-border);
  white-space:nowrap;
  transition:all .22s ease;
}
.pill:hover{
  color:var(--head);
  border-color:rgba(55,230,212,.55);
  background:rgba(55,230,212,.08);
  transform:translateY(-1px);
}
.pill.active{
  color:#04101F;
  background:linear-gradient(135deg,#37E6D4,#7C5CFF);
  border-color:transparent;
  box-shadow:0 0 18px rgba(55,230,212,.38);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 56px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(180deg,rgba(7,20,38,.72),rgba(7,20,38,.94)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.85;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 320px at 18% 22%,rgba(55,230,212,.20),transparent 66%),
    radial-gradient(560px 300px at 82% 12%,rgba(124,92,255,.24),transparent 68%);
}
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.4px;
  color:var(--cyan);
  background:rgba(55,230,212,.10);
  border:1px solid rgba(55,230,212,.32);
}
.badge-amber{color:var(--amber);background:rgba(255,184,77,.10);border-color:rgba(255,184,77,.32);}
.hero h1{
  margin-top:18px;
  font-size:clamp(2rem,5vw,3.2rem);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.5px;
}
.hero h1 .grad{
  background:linear-gradient(120deg,#37E6D4,#7C5CFF 68%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:18px;
  max-width:620px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  margin-top:26px;
  font-size:13.5px;
  color:var(--muted);
}
.hero-points li{display:inline-flex;align-items:center;gap:8px;}
.hero-points li::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(55,230,212,.8);
  flex:none;
}

.hero-card{
  position:relative;
  border-radius:22px;
  padding:14px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:14px;
}
.hero-card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 6px 4px;
  font-size:13px;
  color:var(--muted);
}
.hero-card-meta strong{color:var(--head);font-weight:600;font-size:14px;}

/* ============ 平台状态条 ============ */
.platform-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:-30px;
  position:relative;
  z-index:2;
}
.platform-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 18px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.platform-card:hover{
  transform:translateY(-4px);
  border-color:rgba(55,230,212,.55);
  box-shadow:var(--shadow-hover);
}
.platform-card .p-name{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
  color:var(--head);
}
.platform-card .p-ver{
  margin-top:10px;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--cyan);
  letter-spacing:.5px;
}
.platform-card .p-note{
  margin-top:6px;
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
}
.dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(55,230,212,.9);
  flex:none;
}
.dot-purple{background:var(--purple);box-shadow:0 0 10px rgba(124,92,255,.9);}
.dot-amber{background:var(--amber);box-shadow:0 0 10px rgba(255,184,77,.9);}

/* ============ 板块通用 ============ */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2rem);
  line-height:1.3;
  letter-spacing:-.3px;
}
.section-head h2 .accent{
  position:relative;
  padding-left:16px;
}
.section-head h2 .accent::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--purple));
}
.section-head p{
  margin-top:14px;
  font-size:15.5px;
  color:var(--text);
  line-height:1.85;
}

/* ============ 主内容：左筛选 + 右列表 ============ */
.download-layout{
  display:grid;
  grid-template-columns:262px minmax(0,1fr);
  gap:28px;
  align-items:start;
}
.filter-panel{
  position:sticky;
  top:150px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 20px;
}
.filter-panel h3{
  font-size:15px;
  margin-bottom:14px;
  color:var(--head);
}
.filter-list li + li{margin-top:8px;}
.filter-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  font-size:13.5px;
  color:var(--text);
  border:1px solid transparent;
  transition:all .2s ease;
}
.filter-list a:hover{
  color:var(--head);
  background:rgba(55,230,212,.07);
  border-color:rgba(55,230,212,.32);
}
.filter-list a.is-active{
  color:var(--head);
  background:linear-gradient(90deg,rgba(55,230,212,.16),rgba(124,92,255,.12));
  border-color:rgba(55,230,212,.42);
}
.filter-list a span{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--muted);
}
.filter-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px dashed var(--line);
  font-size:12.5px;
  color:var(--muted);
  line-height:1.8;
}

.package-list{display:grid;gap:20px;}
.package-card{
  display:grid;
  grid-template-columns:212px minmax(0,1fr);
  gap:20px;
  padding:18px;
  background:var(--green?);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.package-card:hover{
  transform:translateY(-4px);
  border-color:rgba(55,230,212,.5);
  box-shadow:var(--shadow-hover);
}
.package-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:12px;
}
.package-body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.package-title{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:18px;
  font-weight:600;
  color:var(--head);
  line-height:1.45;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.3px;
  color:var(--cyan);
  background:rgba(55,230,212,.10);
  border:1px solid rgba(55,230,212,.28);
}
.tag-amber{color:var(--amber);background:rgba(255,184,77,.10);border-color:rgba(255,184,77,.28);}
.tag-purple{color:#B9A8FF;background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.32);}
.package-desc{font-size:14px;color:var(--text);line-height:1.8;}
.package-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  font-size:12.5px;
  color:var(--muted);
  font-family:var(--font-num);
}
.package-meta b{color:var(--head);font-weight:600;}
.package-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:auto;
  padding-top:6px;
}
.btn-sm{padding:9px 18px;font-size:13px;}

/* ============ 安装步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 20px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{
  transform:translateY(-4px);
  border-color:rgba(124,92,255,.5);
  box-shadow:0 0 24px rgba(124,92,255,.22);
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--cyan);
  margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ============ 校验面板 ============ */
.verify-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:stretch;
}
.verify-panel{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
}
.spec-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 16px;
  border-radius:12px;
  font-size:14px;
}
.spec-row:nth-child(odd){background:rgba(255,255,255,.035);}
.spec-row span:first-child{color:var(--muted);}
.spec-row span:last-child{
  color:var(--head);
  font-weight:600;
  font-family:var(--font-num);
  font-size:13.5px;
  text-align:right;
  word-break:break-all;
}
.check-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  font-size:14px;
  line-height:1.8;
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{
  content:"✓";
  flex:none;
  width:22px;height:22px;
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:#04101F;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  margin-top:3px;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{
  border-color:rgba(55,230,212,.45);
  box-shadow:0 0 22px rgba(55,230,212,.14);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--head);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--cyan);}
.faq-item summary .chev{
  flex:none;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--glass-border);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--cyan);
  font-size:15px;
  line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary .chev{
  transform:rotate(45deg);
  background:rgba(55,230,212,.14);
}
.faq-item .faq-body{
  padding:0 22px 22px;
  font-size:14px;
  line-height:1.9;
  color:var(--text);
}

/* ============ CTA ============ */
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  border:1px solid rgba(55,230,212,.28);
  background:
    radial-gradient(520px 280px at 12% 0%,rgba(55,230,212,.20),transparent 62%),
    radial-gradient(520px 280px at 88% 100%,rgba(124,92,255,.24),transparent 62%),
    #0A1A31;
  padding:52px 40px;
  text-align:center;
}
.cta-box h2{font-size:clamp(1.5rem,3vw,2.05rem);}
.cta-box p{
  margin:16px auto 0;
  max-width:660px;
  font-size:15.5px;
  color:var(--text);
  line-height:1.85;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-top:30px;
}
.cta-safe{
  margin-top:22px;
  font-size:12.5px;
  color:var(--muted);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,20,38,.4),rgba(5,14,27,.96));
  padding:60px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--head);
  font-size:17px;
  font-weight:700;
}
.footer-desc{
  margin-top:16px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.85;
  max-width:340px;
}
.footer-search{
  margin-top:18px;
  display:flex;
  gap:8px;
  max-width:340px;
}
.footer-search input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:var(--radius-input);
  background:rgba(11,28,51,.85);
  border:1px solid var(--glass-border);
  color:var(--head);
  font-size:13.5px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-search input::placeholder{color:var(--muted);}
.footer-search input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(55,230,212,.14);
}
.footer-search button{
  height:44px;
  padding:0 18px;
  border-radius:var(--radius-input);
  font-size:13.5px;
  font-weight:600;
  color:#04101F;
  background:linear-gradient(135deg,#37E6D4,#7C5CFF);
  box-shadow:0 0 20px rgba(55,230,212,.32);
  transition:filter .2s ease,transform .2s ease;
}
.footer-search button:hover{filter:brightness(1.1);transform:translateY(-1px);}
.footer-col h4{
  font-size:14px;
  color:var(--head);
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul li + li{margin-top:10px;}
.footer-col ul a{
  font-size:13.5px;
  color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--cyan);padding-left:3px;}
.spec-mini li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--muted);
  padding:8px 0;
  border-bottom:1px dashed var(--line);
}
.spec-mini li:last-child{border-bottom:none;}
.spec-mini li span:last-child{color:var(--head);font-family:var(--font-num);font-size:12.5px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media(max-width:1180px){
  .steps{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:1/-1;}
}
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-card{max-width:620px;}
  .platform-strip{grid-template-columns:repeat(2,1fr);margin-top:0;}
  .download-layout{grid-template-columns:1fr;}
  .filter-panel{position:static;}
  .filter-list{display:flex;flex-wrap:wrap;gap:8px;}
  .filter-list li + li{margin-top:0;}
  .verify-grid{grid-template-columns:1fr;}
}
@media(max-width:860px){
  .header-search{order:3;flex:1 1 100%;}
  .menu-toggle{display:inline-flex;}
  .header-actions{
    display:none;
    order:4;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding-bottom:12px;
  }
  .header-actions.open{display:flex;}
  .header-actions .btn{width:100%;}
  .brand-text{font-size:18px;}
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .package-card{grid-template-columns:1fr;}
  .package-card img{aspect-ratio:16/9;}
  .steps{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid .footer-col:first-child{grid-column:1/-1;}
  .cta-box{padding:40px 22px;}
}
@media(max-width:520px){
  .hero{padding:44px 0 40px;}
  .hero-actions .btn{width:100%;}
  .platform-strip{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
    --bg:#071426;
    --bg-2:#0A1730;
    --panel:#0B1C33;
    --panel-2:#0E2440;
    --glass:rgba(13,30,54,.72);
    --line:rgba(255,255,255,.10);
    --line-strong:rgba(255,255,255,.18);
    --cyan:#37E6D4;
    --purple:#7C5CFF;
    --amber:#FFB84D;
    --text:#B9C7DB;
    --muted:#7F91AA;
    --white:#F2F7FF;
    --danger:#FF6B6B;
    --r-card:18px;
    --r-btn:14px;
    --r-input:12px;
    --shadow-card:0 16px 40px rgba(0,0,0,.35);
    --shadow-cyan:0 0 24px rgba(55,230,212,.25);
    --maxw:1280px;
    --gap:24px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:
      radial-gradient(1200px 620px at 12% -8%, rgba(55,230,212,.12), transparent 60%),
      radial-gradient(1000px 560px at 92% 6%, rgba(124,92,255,.16), transparent 62%),
      radial-gradient(900px 700px at 50% 110%, rgba(124,92,255,.10), transparent 60%),
      linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
    background-attachment:fixed;
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","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;
    background-image:
      linear-gradient(rgba(55,230,212,.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(55,230,212,.045) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
    z-index:0;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
  a:hover{color:#8FF6EC;}
  button{font-family:inherit;}
  h1,h2,h3,h4{color:var(--white);margin:0;letter-spacing:.2px;}
  h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.1;font-weight:800;}
  h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;font-weight:700;}
  h3{font-size:1.25rem;line-height:1.4;font-weight:600;}
  p{margin:0 0 16px;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:rgba(55,230,212,.3);color:#fff;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

  .container{
    width:100%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 32px;
    position:relative;
    z-index:1;
  }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--glass);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
  }
  .site-header::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-1px;
    height:1px;
    background:linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
    opacity:.65;
  }
  .header-row{
    display:flex;
    align-items:center;
    gap:20px;
    padding-top:14px;
    padding-bottom:12px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--white);
    font-size:20px;
    font-weight:800;
    white-space:nowrap;
    flex:0 0 auto;
  }
  .logo:hover{color:var(--white);}
  .brand-mark{
    width:36px;height:36px;
    display:grid;place-items:center;
    border-radius:12px;
    font-size:14px;
    font-weight:800;
    color:#04101F;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
    box-shadow:0 0 20px rgba(55,230,212,.4);
    flex:0 0 auto;
  }
  .nav-search{
    position:relative;
    display:flex;
    align-items:center;
    flex:1 1 auto;
    max-width:520px;
    margin:0 auto;
  }
  .nav-search input{
    width:100%;
    height:52px;
    padding:0 92px 0 48px;
    border-radius:999px;
    background:rgba(6,17,33,.72);
    border:1px solid var(--line);
    color:var(--white);
    font-size:14px;
    transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
  }
  .nav-search input::placeholder{color:var(--muted);}
  .nav-search input:focus{
    outline:none;
    border-color:var(--cyan);
    background:rgba(9,24,45,.9);
    box-shadow:0 0 0 4px rgba(55,230,212,.14), 0 0 22px rgba(55,230,212,.22);
  }
  .nav-search .search-icon{
    position:absolute;
    left:18px;
    width:18px;height:18px;
    color:var(--cyan);
    pointer-events:none;
  }
  .nav-search .search-hint{
    position:absolute;
    right:14px;
    font-size:11px;
    letter-spacing:.6px;
    color:var(--muted);
    border:1px solid var(--line);
    border-radius:8px;
    padding:3px 8px;
    pointer-events:none;
  }
  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .nav-pills{
    display:flex;
    align-items:center;
    gap:10px;
    padding:0 0 12px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .nav-pills::-webkit-scrollbar{display:none;}
  .pill{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:8px 16px;
    border-radius:999px;
    font-size:13px;
    font-weight:500;
    color:var(--body);
    background:rgba(11,28,51,.75);
    border:1px solid var(--line);
    white-space:nowrap;
    transition:all .22s ease;
  }
  .pill:hover{
    color:var(--white);
    border-color:rgba(55,230,212,.55);
    box-shadow:0 0 16px rgba(55,230,212,.18);
    transform:translateY(-1px);
  }
  .pill.active{
    color:#04101F;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
    border-color:transparent;
    font-weight:700;
    box-shadow:0 0 20px rgba(55,230,212,.4);
  }

  .btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 26px;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:700;
    color:#04101F;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
    border:0;
    box-shadow:0 0 28px rgba(55,230,212,.45);
    cursor:pointer;
    transition:transform .2s ease, filter .2s ease, box-shadow .2s ease;
  }
  .btn-primary:hover{
    color:#04101F;
    filter:brightness(1.1);
    transform:translateY(-1px);
    box-shadow:0 0 34px rgba(55,230,212,.6);
  }
  .btn-primary:active{transform:translateY(1px);}
  .btn-primary.small{padding:10px 18px;font-size:14px;box-shadow:0 0 18px rgba(55,230,212,.35);}

  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 24px;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:600;
    color:var(--white);
    background:rgba(255,255,255,.04);
    border:1px solid var(--line-strong);
    cursor:pointer;
    transition:all .22s ease;
  }
  .btn-ghost:hover{
    color:var(--white);
    border-color:rgba(55,230,212,.6);
    box-shadow:0 0 18px rgba(55,230,212,.2);
    transform:translateY(-1px);
  }
  .btn-ghost.small{padding:10px 18px;font-size:14px;}

  .menu-toggle{
    display:none;
    width:44px;height:44px;
    border-radius:12px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line-strong);
    color:var(--white);
    align-items:center;
    justify-content:center;
    cursor:pointer;
  }
  .menu-toggle:hover{border-color:rgba(55,230,212,.6);}
  .mobile-search-wrap{display:none;padding-bottom:12px;}
  .mobile-menu{
    display:none;
    border-top:1px solid var(--line);
    padding:16px 0 20px;
  }
  .mobile-menu.open{display:block;}
  .mobile-menu a{
    display:block;
    padding:12px 4px;
    font-size:15px;
    color:var(--body);
    border-bottom:1px dashed rgba(255,255,255,.08);
  }
  .mobile-menu a:hover{color:var(--cyan);}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    padding:72px 0 64px;
    background-image:
      linear-gradient(105deg, rgba(7,20,38,.94) 0%, rgba(8,22,42,.82) 46%, rgba(10,23,48,.72) 100%),
      url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
  }
  .hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:
      radial-gradient(520px 300px at 82% 22%, rgba(124,92,255,.30), transparent 65%),
      radial-gradient(460px 260px at 12% 78%, rgba(55,230,212,.20), transparent 68%);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    gap:48px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 16px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    color:var(--cyan);
    background:rgba(55,230,212,.10);
    border:1px solid rgba(55,230,212,.32);
    margin-bottom:20px;
  }
  .eyebrow .dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--cyan);
    box-shadow:0 0 10px var(--cyan);
  }
  .hero h1{margin-bottom:18px;}
  .hero h1 .accent{
    background:linear-gradient(120deg,var(--cyan),var(--purple));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-lead{
    font-size:17px;
    line-height:1.85;
    color:var(--body);
    max-width:620px;
    margin-bottom:28px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
  .hero-stats{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
  }
  .stat{
    min-width:132px;
    padding:14px 18px;
    border-radius:16px;
    background:var(--panel);
    border:1px solid var(--line);
  }
  .stat strong{
    display:block;
    font-size:22px;
    font-weight:800;
    color:var(--cyan);
    line-height:1.2;
    font-family:"Space Grotesk","Noto Sans SC",sans-serif;
  }
  .stat span{font-size:13px;color:var(--muted);}

  .hero-card{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:22px;
    padding:20px;
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:var(--shadow-card);
  }
  .hero-card h3{margin-bottom:6px;font-size:17px;}
  .hero-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}
  .hero-shot{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
    border-radius:16px;
    border:1px solid var(--line);
  }
  .hero-list{margin-top:16px;display:grid;gap:10px;}
  .hero-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:14px;
    color:var(--body);
  }
  .hero-list .tick{
    flex:0 0 auto;
    width:20px;height:20px;
    margin-top:3px;
    border-radius:50%;
    display:grid;place-items:center;
    font-size:12px;
    color:#04101F;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
  }

  /* ============ 通用板块 ============ */
  .section{padding:84px 0;}
  .section.tight{padding:64px 0;}
  .section-head{max-width:780px;margin-bottom:40px;}
  .section-head .tagline{
    display:inline-block;
    font-size:13px;
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;
    color:var(--purple);
    margin-bottom:12px;
  }
  .section-head h2{margin-bottom:14px;}
  .section-head p{color:var(--muted);font-size:15.5px;margin:0;}

  .panel{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-card);
  }

  .card-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:var(--gap);
  }
  .card{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    display:flex;
    flex-direction:column;
  }
  .card:hover{
    transform:translateY(-4px);
    border-color:rgba(55,230,212,.5);
    box-shadow:var(--shadow-cyan);
  }
  .card-cover{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
  }
  .card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-body h3{font-size:18px;line-height:1.45;}
  .card-body p{font-size:14px;line-height:1.75;color:var(--body);margin:0;}
  .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:2px;}
  .badge{
    display:inline-flex;
    align-items:center;
    padding:4px 12px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.4px;
    color:var(--cyan);
    background:rgba(55,230,212,.10);
    border:1px solid rgba(55,230,212,.28);
  }
  .badge.amber{color:var(--amber);background:rgba(255,184,77,.10);border-color:rgba(255,184,77,.3);}
  .badge.violet{color:#B4A2FF;background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.34);}
  .card-link{
    margin-top:auto;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    color:var(--cyan);
  }
  .card-link span{transition:transform .22s ease;display:inline-block;}
  .card:hover .card-link span{transform:translateX(5px);}

  /* ============ 时间线 ============ */
  .timeline-wrap{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
    gap:48px;
    align-items:start;
  }
  .timeline{
    position:relative;
    padding-left:34px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:11px;top:8px;bottom:8px;
    width:2px;
    background:linear-gradient(180deg,var(--cyan),var(--purple),transparent);
    opacity:.7;
  }
  .timeline-item{position:relative;padding-bottom:30px;}
  .timeline-item:last-child{padding-bottom:0;}
  .timeline-item::before{
    content:"";
    position:absolute;
    left:-34px;top:6px;
    width:22px;height:22px;
    border-radius:50%;
    background:var(--bg);
    border:2px solid var(--cyan);
    box-shadow:0 0 14px rgba(55,230,212,.45);
  }
  .timeline-item h3{font-size:17px;margin-bottom:6px;}
  .timeline-item p{font-size:14px;color:var(--muted);margin:0;}
  .timeline-step{
    font-family:"Space Grotesk",sans-serif;
    font-size:12px;
    font-weight:700;
    letter-spacing:1.6px;
    color:var(--amber);
    display:block;
    margin-bottom:4px;
  }
  .advice-panel{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:28px;
    box-shadow:var(--shadow-card);
  }
  .advice-panel h3{margin-bottom:14px;font-size:18px;}
  .rule-list{display:grid;gap:12px;}
  .rule-list li{
    display:flex;
    gap:12px;
    align-items:flex-start;
    font-size:14.5px;
    line-height:1.7;
    color:var(--body);
  }
  .rule-list .mark{
    flex:0 0 auto;
    width:22px;height:22px;
    margin-top:2px;
    border-radius:7px;
    display:grid;place-items:center;
    font-size:12px;
    font-weight:700;
    color:#04101F;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
  }

  /* ============ 异常速查 ============ */
  .spec-panel{
    background:var(--panel-2);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .spec-row{
    display:grid;
    grid-template-columns:1.05fr 1.15fr 1.6fr;
    gap:18px;
    padding:18px 26px;
    border-bottom:1px solid rgba(255,255,255,.06);
    font-size:14.5px;
    align-items:center;
  }
  .spec-row:nth-child(odd){background:rgba(255,255,255,.022);}
  .spec-row:last-child{border-bottom:0;}
  .spec-row.head{
    background:rgba(55,230,212,.08);
    font-weight:700;
    color:var(--white);
    font-size:13.5px;
    letter-spacing:1px;
  }
  .spec-row .key{color:var(--white);font-weight:600;}
  .spec-row .val{color:var(--muted);}
  .spec-row .fix{color:var(--body);}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:14px;}
  .faq-item{
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:16px;
    overflow:hidden;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .faq-item[open]{
    border-color:rgba(55,230,212,.45);
    box-shadow:0 0 22px rgba(55,230,212,.14);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 22px;
    font-size:16px;
    font-weight:600;
    color:var(--white);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{
    flex:0 0 auto;
    width:26px;height:26px;
    border-radius:50%;
    display:grid;place-items:center;
    border:1px solid rgba(55,230,212,.5);
    color:var(--cyan);
    font-size:15px;
    transition:transform .28s ease, background .28s ease;
  }
  .faq-item[open] .faq-icon{
    transform:rotate(135deg);
    background:rgba(55,230,212,.16);
  }
  .faq-answer{
    padding:0 22px 20px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--body);
  }

  /* ============ CTA ============ */
  .cta-block{
    position:relative;
    border-radius:24px;
    padding:56px 48px;
    overflow:hidden;
    background:
      linear-gradient(120deg, rgba(9,24,46,.96), rgba(14,34,62,.92)),
      url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .cta-block::before{
    content:"";
    position:absolute;
    inset:0;
    background:
      radial-gradient(400px 240px at 88% 12%, rgba(124,92,255,.34), transparent 62%),
      radial-gradient(360px 220px at 6% 90%, rgba(55,230,212,.24), transparent 66%);
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
    gap:40px;
    align-items:center;
  }
  .cta-inner h2{margin-bottom:12px;}
  .cta-inner p{color:var(--body);font-size:15.5px;margin-bottom:24px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
  .qr-box{
    background:rgba(6,17,33,.72);
    border:1px dashed rgba(55,230,212,.45);
    border-radius:18px;
    padding:22px;
    text-align:center;
  }
  .qr-frame{
    width:132px;height:132px;
    margin:0 auto 14px;
    border-radius:14px;
    background:
      repeating-linear-gradient(45deg, rgba(55,230,212,.16) 0 8px, rgba(124,92,255,.14) 8px 16px);
    border:1px solid var(--line-strong);
    display:grid;
    place-items:center;
    color:var(--white);
    font-size:12px;
    letter-spacing:1px;
  }
  .qr-box strong{display:block;color:var(--white);font-size:14px;margin-bottom:4px;}
  .qr-box span{font-size:12.5px;color:var(--muted);}

  .safety-note{
    margin-top:18px;
    font-size:12.5px;
    color:var(--muted);
    line-height:1.7;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:20px;
    padding:64px 0 28px;
    background:linear-gradient(180deg, rgba(6,17,33,.92), rgba(4,12,24,.98));
    border-top:1px solid var(--line);
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.1fr;
    gap:36px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:18px;
    font-weight:800;
    color:var(--white);
    margin-bottom:14px;
  }
  .footer-desc{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
  .footer-search{display:flex;gap:8px;}
  .footer-search input{
    flex:1 1 auto;
    min-width:0;
    height:44px;
    padding:0 14px;
    border-radius:var(--r-input);
    background:rgba(10,24,45,.85);
    border:1px solid var(--line);
    color:var(--white);
    font-size:13.5px;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .footer-search input::placeholder{color:var(--muted);}
  .footer-search input:focus{
    outline:none;
    border-color:var(--cyan);
    box-shadow:0 0 0 3px rgba(55,230,212,.16);
  }
  .footer-search button{
    flex:0 0 auto;
    padding:0 18px;
    height:44px;
    border-radius:var(--r-input);
    border:0;
    font-size:13.5px;
    font-weight:700;
    color:#04101F;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
    cursor:pointer;
    transition:filter .2s ease, transform .2s ease;
  }
  .footer-search button:hover{filter:brightness(1.1);transform:translateY(-1px);}
  .footer-col h4{
    font-size:14px;
    font-weight:700;
    color:var(--white);
    margin-bottom:16px;
    letter-spacing:.6px;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col ul li a{font-size:13.5px;color:var(--muted);}
  .footer-col ul li a:hover{color:var(--cyan);}
  .spec-mini li{
    display:flex;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:var(--muted);
    padding-bottom:8px;
    border-bottom:1px dashed rgba(255,255,255,.07);
  }
  .spec-mini li span:last-child{color:var(--body);}
  .footer-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    font-size:12.5px;
    color:var(--muted);
  }
  .footer-bottom a{color:var(--muted);}
  .footer-bottom a:hover{color:var(--cyan);}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .hero-inner{grid-template-columns:1fr;gap:36px;}
    .hero{padding:56px 0 52px;}
    .timeline-wrap{grid-template-columns:1fr;gap:32px;}
    .cta-inner{grid-template-columns:1fr;gap:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
    .section{padding:66px 0;}
    .spec-row{grid-template-columns:1fr 1fr 1.4fr;gap:14px;padding:16px 20px;font-size:14px;}
  }
  @media (max-width:900px){
    .desktop-search{display:none;}
    .header-actions .btn-ghost.small{display:none;}
    .menu-toggle{display:inline-flex;}
    .mobile-search-wrap{display:block;}
    .nav-pills{padding-top:0;}
    .header-row{padding-top:12px;padding-bottom:12px;}
    .logo{font-size:17px;}
    .brand-mark{width:32px;height:32px;font-size:12px;}
  }
  @media (max-width:768px){
    .card-grid{grid-template-columns:1fr;}
    .spec-row{grid-template-columns:1fr;gap:6px;}
    .spec-row.head{display:none;}
    .spec-row .key::before{
      content:"现象 · ";
      color:var(--muted);
      font-weight:400;
      font-size:12px;
    }
    .spec-row .val::before{content:"原因 · ";color:var(--muted);font-size:12px;}
    .spec-row .fix::before{content:"处理 · ";color:var(--muted);font-size:12px;}
    .cta-block{padding:38px 24px;}
    .section{padding:56px 0;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .hero h1{font-size:clamp(1.75rem,7vw,2.25rem);}
    .hero-lead{font-size:15.5px;}
    .btn-primary,.btn-ghost{width:100%;}
    .hero-actions,.cta-actions{gap:12px;}
    .stat{flex:1 1 100%;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-search{flex-direction:column;}
    .footer-search button{width:100%;}
    .footer-bottom{flex-direction:column;}
    .logo-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  }

/* roulang page: category3 */
:root{
    --bg:#071426;
    --bg-2:#0A1730;
    --panel:#0B1C33;
    --glass:rgba(13,30,54,.72);
    --border:rgba(255,255,255,.10);
    --cyan:#37E6D4;
    --purple:#7C5CFF;
    --amber:#FFB84D;
    --text:#B9C7DB;
    --text-strong:#EAF2FF;
    --muted:#7F91AA;
    --radius-card:18px;
    --radius-btn:14px;
    --radius-input:12px;
    --shadow-card:0 16px 40px rgba(0,0,0,.35);
    --shadow-glow:0 0 24px rgba(55,230,212,.25);
    --space-section:76px;
  }

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

  html{ scroll-behavior:smooth; }

  body{
    margin:0;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background-color:#071426;
    background-image:
      linear-gradient(rgba(55,230,212,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(55,230,212,.05) 1px, transparent 1px),
      radial-gradient(900px 520px at 12% -6%, rgba(124,92,255,.20), transparent 62%),
      radial-gradient(780px 480px at 88% 2%, rgba(55,230,212,.16), transparent 64%),
      linear-gradient(180deg,#071426 0%, #0A1730 55%, #071426 100%);
    background-size:56px 56px, 56px 56px, auto, auto, auto;
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
  }

  img{ max-width:100%; display:block; }
  a{ color:var(--cyan); text-decoration:none; transition:color .2s ease, opacity .2s ease; }
  a:hover{ color:#7FF3E6; }
  button,input,textarea{ font:inherit; color:inherit; }
  h1,h2,h3,h4{ margin:0; color:var(--text-strong); letter-spacing:.01em; }
  p{ margin:0; }
  ul{ margin:0; padding:0; }
  :focus-visible{ outline:2px solid var(--cyan); outline-offset:2px; border-radius:6px; }

  .container{ width:100%; max-width:1200px; margin:0 auto; padding:0 24px; }
  .narrow{ max-width:960px; margin:0 auto; }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky; top:0; z-index:60;
    background:rgba(11,28,51,.82);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .site-header::after{
    content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
    background:linear-gradient(90deg, transparent, rgba(55,230,212,.55), rgba(124,92,255,.55), transparent);
  }
  .header-top{
    display:flex; align-items:center; gap:20px; padding:12px 0;
  }
  .brand{
    display:inline-flex; align-items:center; gap:10px;
    font-size:20px; font-weight:800; color:var(--text-strong); white-space:nowrap;
  }
  .brand:hover{ color:var(--text-strong); }
  .brand-mark{
    width:40px; height:40px; border-radius:12px; display:grid; place-items:center;
    background:linear-gradient(135deg,#37E6D4,#7C5CFF);
    color:#04101F; font-weight:800; font-size:15px; letter-spacing:.02em;
    box-shadow:0 0 22px rgba(55,230,212,.35);
  }
  .nav-search{
    position:relative; flex:1 1 auto; max-width:560px; margin:0 auto;
    display:flex; align-items:center; gap:10px;
    height:52px; padding:0 16px;
    background:rgba(7,20,38,.72);
    border:1px solid var(--border);
    border-radius:999px;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .nav-search:focus-within{
    border-color:var(--cyan);
    box-shadow:0 0 0 3px rgba(55,230,212,.14), 0 0 22px rgba(55,230,212,.25);
  }
  .nav-search svg{ flex:0 0 auto; color:var(--muted); }
  .nav-search input{
    flex:1 1 auto; min-width:0; background:transparent; border:0; outline:none;
    font-size:14px; color:var(--text-strong);
  }
  .nav-search input::placeholder{ color:#6C7F99; }
  .key-hint{
    flex:0 0 auto; font-size:12px; color:var(--muted);
    border:1px solid var(--border); border-radius:8px; padding:2px 8px;
    background:rgba(255,255,255,.04);
  }
  .header-actions{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .menu-toggle{
    display:none; align-items:center; justify-content:center;
    width:42px; height:42px; border-radius:12px;
    background:rgba(255,255,255,.05); border:1px solid var(--border);
    color:var(--text-strong); cursor:pointer;
  }
  .menu-toggle:hover{ border-color:rgba(55,230,212,.5); }

  .nav-row{ padding-bottom:12px; }
  .nav-pills{
    display:flex; align-items:center; gap:8px; overflow-x:auto;
    padding-bottom:2px; scrollbar-width:none;
  }
  .nav-pills::-webkit-scrollbar{ display:none; }
  .pill{
    flex:0 0 auto; font-size:13px; font-weight:500; line-height:1;
    padding:9px 16px; border-radius:999px;
    border:1px solid var(--border);
    background:rgba(13,30,54,.62);
    color:var(--text);
    transition:all .2s ease;
  }
  .pill:hover{
    color:var(--text-strong); border-color:rgba(55,230,212,.5);
    transform:translateY(-1px);
    box-shadow:0 0 18px rgba(55,230,212,.18);
  }
  .pill.active{
    color:var(--text-strong);
    border-color:rgba(55,230,212,.55);
    background:linear-gradient(135deg, rgba(55,230,212,.18), rgba(124,92,255,.24));
    box-shadow:0 0 18px rgba(55,230,212,.22);
  }

  .mobile-drawer{
    display:none; flex-direction:column; gap:10px;
    padding:12px 24px 20px;
    border-top:1px solid rgba(255,255,255,.08);
    background:rgba(7,20,38,.96);
  }
  .mobile-drawer.open{ display:flex; }
  .mobile-drawer .pill{ text-align:center; }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    border-radius:var(--radius-btn);
    font-weight:600; font-size:15px; line-height:1;
    padding:14px 26px; border:1px solid transparent; cursor:pointer;
    transition:transform .18s ease, filter .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
  }
  .btn-sm{ padding:10px 18px; font-size:14px; }
  .btn-primary{
    background:linear-gradient(135deg,#37E6D4,#7C5CFF);
    color:#04101F;
    box-shadow:0 0 28px rgba(55,230,212,.45);
  }
  .btn-primary:hover{ color:#04101F; filter:brightness(1.1); transform:translateY(-1px); }
  .btn-primary:active{ transform:translateY(1px); filter:brightness(.96); }
  .btn-ghost{
    background:rgba(255,255,255,.04);
    border-color:rgba(255,255,255,.16);
    color:var(--text-strong);
  }
  .btn-ghost:hover{
    color:var(--text-strong);
    border-color:rgba(55,230,212,.6);
    box-shadow:0 0 20px rgba(55,230,212,.2);
  }

  /* ============ 通用板块 ============ */
  .section{ padding:var(--space-section) 0; }
  .section-head{ text-align:center; margin-bottom:40px; }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:13px; font-weight:600; letter-spacing:.08em;
    color:var(--cyan); text-transform:uppercase;
    padding:6px 14px; border-radius:999px;
    border:1px solid rgba(55,230,212,.35);
    background:rgba(55,230,212,.08);
    margin-bottom:16px;
  }
  .section-title{ font-size:clamp(1.5rem,3vw,2rem); line-height:1.3; font-weight:700; }
  .section-lead{
    margin-top:14px; color:var(--muted); font-size:15px; line-height:1.9;
    max-width:720px; margin-left:auto; margin-right:auto;
  }

  /* ============ 分类页 Hero ============ */
  .cat-hero{
    position:relative; overflow:hidden;
    padding:76px 0 64px;
    background-image:url('/assets/images/backpic/back-3.webp');
    background-size:cover; background-position:center;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .cat-hero::before{
    content:""; position:absolute; inset:0;
    background:
      radial-gradient(700px 380px at 18% 10%, rgba(124,92,255,.30), transparent 62%),
      radial-gradient(620px 360px at 82% 20%, rgba(55,230,212,.24), transparent 64%),
      linear-gradient(180deg, rgba(7,20,38,.90) 0%, rgba(7,20,38,.94) 100%);
  }
  .cat-hero .container{ position:relative; z-index:2; }
  .cat-hero-inner{ max-width:880px; margin:0 auto; text-align:center; }
  .cat-hero h1{
    font-size:clamp(2rem,5vw,3.5rem); line-height:1.15; font-weight:800;
    margin-top:8px;
  }
  .cat-hero h1 .hl{
    background:linear-gradient(135deg,#37E6D4,#7C5CFF);
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .cat-hero p{
    margin:20px auto 0; max-width:760px;
    font-size:16px; line-height:1.9; color:var(--text);
  }
  .hero-actions{
    display:flex; flex-wrap:wrap; justify-content:center; gap:14px; margin-top:32px;
  }
  .hero-stats{
    display:flex; flex-wrap:wrap; justify-content:center; gap:14px; margin-top:40px;
  }
  .hero-stat{
    min-width:150px; padding:16px 20px;
    background:var(--glass); border:1px solid var(--border); border-radius:var(--radius-card);
    backdrop-filter:blur(12px);
  }
  .hero-stat b{
    display:block; font-family:"Space Grotesk","Noto Sans SC",sans-serif;
    font-size:24px; font-weight:700; color:var(--cyan); line-height:1.2;
  }
  .hero-stat span{ font-size:13px; color:var(--muted); }

  /* ============ 卡片 ============ */
  .card{
    background:var(--glass);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
  }
  .card:hover{
    transform:translateY(-4px);
    border-color:rgba(55,230,212,.45);
    box-shadow:var(--shadow-glow);
  }
  .solid-panel{
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
  }

  /* 功能大图卡 */
  .feature-block{
    display:grid; grid-template-columns:1.05fr .95fr; gap:36px; align-items:center;
    padding:28px;
  }
  .feature-block + .feature-block{ margin-top:28px; }
  .feature-block.reverse{ grid-template-columns:.95fr 1.05fr; }
  .feature-block.reverse .feature-media{ order:2; }
  .feature-media{
    border-radius:14px; overflow:hidden;
    border:1px solid var(--border);
    background:#08182D;
  }
  .feature-media img{
    width:100%; aspect-ratio:16/9; object-fit:cover;
    transition:transform .5s ease;
  }
  .feature-block:hover .feature-media img{ transform:scale(1.04); }
  .feature-body h3{ font-size:1.25rem; font-weight:600; line-height:1.4; }
  .feature-body p{ margin-top:12px; font-size:15px; line-height:1.9; color:var(--text); }
  .feature-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
  .tag{
    font-size:12px; padding:5px 12px; border-radius:999px;
    border:1px solid rgba(55,230,212,.3);
    background:rgba(55,230,212,.08);
    color:var(--cyan);
  }
  .tag.amber{ border-color:rgba(255,184,77,.35); background:rgba(255,184,77,.10); color:var(--amber); }
  .tag.purple{ border-color:rgba(124,92,255,.35); background:rgba(124,92,255,.12); color:#B4A4FF; }

  /* ============ 规格表 ============ */
  .spec-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
  .spec-card{ padding:24px; }
  .spec-card h3{
    display:flex; align-items:center; justify-content:space-between; gap:12px;
    font-size:1.05rem; font-weight:600; margin-bottom:8px;
  }
  .spec-card h3 .plat{
    font-size:12px; color:var(--muted); font-weight:500;
    border:1px solid var(--border); border-radius:999px; padding:3px 10px;
  }
  .spec-list{ margin-top:12px; border-radius:12px; overflow:hidden; border:1px solid rgba(255,255,255,.07); }
  .spec-row{
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:13px 18px; font-size:14px;
    border-bottom:1px solid rgba(255,255,255,.05);
  }
  .spec-row:last-child{ border-bottom:0; }
  .spec-row:nth-child(odd){ background:rgba(255,255,255,.03); }
  .spec-row span:first-child{ color:var(--muted); }
  .spec-row span:last-child{ color:var(--text-strong); text-align:right; }

  /* ============ 数据卡 ============ */
  .stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
  .stat-card{ padding:24px; text-align:left; }
  .stat-card b{
    display:block; font-family:"Space Grotesk","Noto Sans SC",sans-serif;
    font-size:28px; font-weight:700; color:var(--text-strong); line-height:1.2;
  }
  .stat-card b em{ font-style:normal; color:var(--cyan); }
  .stat-card p{ margin-top:8px; font-size:14px; color:var(--muted); line-height:1.8; }

  /* ============ 自检清单 ============ */
  .check-wrap{ display:grid; grid-template-columns:1.2fr .8fr; gap:28px; align-items:start; }
  .checklist{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; list-style:none; }
  .checklist li{
    display:flex; gap:12px; align-items:flex-start;
    padding:16px 18px; font-size:14px; line-height:1.8;
    background:var(--panel); border:1px solid var(--border); border-radius:14px;
    transition:border-color .2s ease, transform .2s ease;
  }
  .checklist li:hover{ border-color:rgba(55,230,212,.45); transform:translateY(-2px); }
  .checklist li::before{
    content:"✓"; flex:0 0 auto; color:var(--cyan); font-weight:700;
    width:22px; height:22px; border-radius:999px; display:grid; place-items:center;
    background:rgba(55,230,212,.12); font-size:13px; margin-top:2px;
  }
  .note-card{ padding:26px; }
  .note-card h3{ font-size:1.1rem; font-weight:600; }
  .note-card p{ margin-top:12px; font-size:14px; line-height:1.9; color:var(--text); }
  .note-list{ list-style:none; margin-top:16px; display:grid; gap:12px; }
  .note-list li{
    font-size:14px; padding-left:16px; position:relative; color:var(--text);
  }
  .note-list li::before{
    content:""; position:absolute; left:0; top:10px; width:6px; height:6px;
    border-radius:999px; background:var(--amber);
  }

  /* ============ FAQ ============ */
  .faq-list{ display:grid; gap:14px; }
  .faq-item{
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item:hover{ border-color:rgba(55,230,212,.4); }
  .faq-item[open]{ border-color:rgba(55,230,212,.5); box-shadow:0 0 22px rgba(55,230,212,.15); }
  .faq-item summary{
    list-style:none; cursor:pointer;
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:18px 22px; font-size:16px; font-weight:600; color:var(--text-strong);
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::after{
    content:"+"; flex:0 0 auto;
    width:26px; height:26px; border-radius:999px;
    display:grid; place-items:center; font-size:16px; font-weight:700;
    color:var(--cyan); background:rgba(55,230,212,.10);
    border:1px solid rgba(55,230,212,.32);
    transition:transform .25s ease, background .25s ease;
  }
  .faq-item[open] summary::after{ transform:rotate(45deg); background:rgba(124,92,255,.18); color:#B4A4FF; }
  .faq-body{ padding:0 22px 20px; font-size:14px; line-height:1.9; color:var(--text); }

  /* ============ CTA ============ */
  .cta-band{
    position:relative; overflow:hidden;
    border-radius:24px; padding:56px 32px; text-align:center;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover; background-position:center;
    border:1px solid rgba(55,230,212,.22);
  }
  .cta-band::before{
    content:""; position:absolute; inset:0;
    background:
      radial-gradient(600px 320px at 20% 0%, rgba(55,230,212,.26), transparent 60%),
      radial-gradient(560px 320px at 85% 100%, rgba(124,92,255,.30), transparent 62%),
      linear-gradient(180deg, rgba(7,20,38,.90), rgba(7,20,38,.95));
  }
  .cta-band > *{ position:relative; z-index:2; }
  .cta-band h2{ font-size:clamp(1.5rem,3vw,2rem); font-weight:700; line-height:1.3; }
  .cta-band p{ margin:16px auto 0; max-width:620px; font-size:15px; line-height:1.9; color:var(--text); }
  .cta-actions{ display:flex; flex-wrap:wrap; justify-content:center; gap:14px; margin-top:30px; }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:20px; padding:60px 0 28px;
    background:#050F1E;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-grid{
    display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:36px;
  }
  .footer-brand{
    display:flex; align-items:center; gap:10px;
    font-size:17px; font-weight:800; color:var(--text-strong); margin-bottom:14px;
  }
  .footer-desc{ font-size:14px; line-height:1.9; color:var(--muted); max-width:340px; }
  .footer-search{ display:flex; gap:8px; margin-top:18px; max-width:340px; }
  .footer-search input{
    flex:1 1 auto; min-width:0; height:44px; padding:0 16px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--border); border-radius:var(--radius-input);
    font-size:14px; color:var(--text-strong); outline:none;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .footer-search input::placeholder{ color:#6C7F99; }
  .footer-search input:focus{ border-color:var(--cyan); box-shadow:0 0 0 3px rgba(55,230,212,.14); }
  .footer-search button{
    flex:0 0 auto; height:44px; padding:0 20px; cursor:pointer;
    border:0; border-radius:var(--radius-input);
    background:linear-gradient(135deg,#37E6D4,#7C5CFF);
    color:#04101F; font-weight:600; font-size:14px;
    box-shadow:0 0 22px rgba(55,230,212,.35);
    transition:filter .18s ease, transform .18s ease;
  }
  .footer-search button:hover{ filter:brightness(1.08); transform:translateY(-1px); }
  .footer-col h4{ font-size:14px; font-weight:700; color:var(--text-strong); margin-bottom:16px; }
  .footer-col ul{ list-style:none; display:grid; gap:11px; }
  .footer-col ul a{ font-size:14px; color:var(--text); }
  .footer-col ul a:hover{ color:var(--cyan); }
  .spec-mini li{
    display:flex; justify-content:space-between; gap:12px; font-size:13px; color:var(--text);
    padding-bottom:10px; border-bottom:1px dashed rgba(255,255,255,.08);
  }
  .spec-mini li span:last-child{ color:var(--muted); }
  .footer-bottom{
    display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; align-items:center;
    margin-top:40px; padding-top:22px; font-size:13px; color:var(--muted);
    border-top:1px solid rgba(255,255,255,.08);
  }
  .footer-bottom a{ color:var(--muted); }
  .footer-bottom a:hover{ color:var(--cyan); }

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{ --space-section:60px; }
    .feature-block,
    .feature-block.reverse{ grid-template-columns:1fr; gap:24px; }
    .feature-block.reverse .feature-media{ order:0; }
    .spec-grid{ grid-template-columns:1fr; }
    .stat-grid{ grid-template-columns:repeat(2,1fr); }
    .check-wrap{ grid-template-columns:1fr; }
    .footer-grid{ grid-template-columns:repeat(2,1fr); gap:30px; }
  }
  @media (max-width:900px){
    .header-top{ flex-wrap:wrap; }
    .brand{ order:1; }
    .header-actions{ order:2; margin-left:auto; }
    .nav-search{ order:3; flex:1 1 100%; max-width:none; margin:0; }
    .menu-toggle{ display:inline-flex; }
    .nav-row{ display:none; }
  }
  @media (max-width:768px){
    .container{ padding:0 16px; }
    .cat-hero{ padding:56px 0 48px; }
    .cat-hero p{ font-size:15px; }
    .hero-actions .btn,
    .cta-actions .btn{ width:100%; }
    .checklist{ grid-template-columns:1fr; }
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ flex-direction:column; align-items:flex-start; }
  }
  @media (max-width:520px){
    .stat-grid{ grid-template-columns:1fr; }
    .brand-text{ font-size:16px; }
    .brand-mark{ width:34px; height:34px; font-size:13px; }
    .hero-stat{ width:100%; }
    .feature-block{ padding:18px; }
    .cta-band{ padding:40px 20px; }
  }