/* roulang page: index */
:root{
  --bg:#071019;
  --bg-2:#0b1420;
  --panel:#101b2b;
  --panel-2:#132338;
  --panel-3:#172a43;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --text:#eef4fb;
  --muted:#9db0c6;
  --soft:#7f93aa;
  --primary:#ff8b3d;
  --primary-2:#23d0c2;
  --primary-3:#ffd26a;
  --shadow:0 22px 60px rgba(0,0,0,.38);
  --shadow-soft:0 12px 30px rgba(0,0,0,.22);
  --radius:22px;
  --radius-lg:30px;
  --radius-sm:14px;
  --container:1180px;
  --gap:22px;
  --tran:.24s cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 12%, rgba(255,139,61,.16), transparent 24%),
    radial-gradient(circle at 82% 8%, rgba(35,208,194,.12), transparent 24%),
    radial-gradient(circle at 70% 88%, rgba(255,210,106,.10), transparent 26%),
    linear-gradient(180deg, #071019 0%, #09121d 45%, #060c14 100%);
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
::selection{background:rgba(255,139,61,.25);color:#fff}
.container{
  width:min(var(--container),calc(100% - 32px));
  margin:0 auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(18px);
  background:rgba(7,16,25,.74);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  font-weight:800;
  letter-spacing:.2px;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(145deg, var(--primary) 0%, var(--primary-3) 55%, #fff2bb 100%);
  color:#121212;
  box-shadow:0 12px 30px rgba(255,139,61,.22);
  flex:0 0 auto;
}
.brand-text{
  font-size:1.02rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:10px;
  flex:1;
  justify-content:center;
}
.nav-link{
  padding:10px 14px;
  border-radius:999px;
  border:1px solid transparent;
  color:var(--muted);
  transition:transform var(--tran), background var(--tran), border-color var(--tran), color var(--tran), box-shadow var(--tran);
}
.nav-link:hover,
.nav-link:focus-visible{
  color:var(--text);
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.12);
  box-shadow:var(--shadow-soft);
  transform:translateY(-1px);
  outline:none;
}
.nav-link.active{
  color:var(--text);
  background:rgba(35,208,194,.10);
  border-color:rgba(35,208,194,.24);
}
.header-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 16px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--primary) 0%, #ffb35b 55%, #ffe7a2 100%);
  color:#111;
  font-weight:800;
  box-shadow:0 16px 36px rgba(255,139,61,.22);
  transition:transform var(--tran), filter var(--tran), box-shadow var(--tran);
  flex:0 0 auto;
}
.header-cta:hover,
.header-cta:focus-visible{
  transform:translateY(-1px);
  filter:saturate(1.08);
  box-shadow:0 18px 42px rgba(255,139,61,.28);
  outline:none;
}
main{padding-bottom:22px}
.hero{
  position:relative;
  overflow:hidden;
  padding:28px 0 22px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255,139,61,.16), transparent 22%),
    radial-gradient(circle at 84% 14%, rgba(35,208,194,.12), transparent 23%),
    radial-gradient(circle at 80% 84%, rgba(255,210,106,.10), transparent 22%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(7,16,25,.2), rgba(7,16,25,.4)),
    repeating-linear-gradient(180deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 7px);
  mix-blend-mode:screen;
  opacity:.55;
  pointer-events:none;
}
.hero-shell{
  position:relative;
  z-index:1;
}
.hero-stage{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background:
    linear-gradient(135deg, rgba(17,28,44,.94), rgba(11,20,32,.88)),
    radial-gradient(circle at 20% 20%, rgba(255,139,61,.14), transparent 24%),
    radial-gradient(circle at 86% 14%, rgba(35,208,194,.12), transparent 20%);
  border-radius:calc(var(--radius-lg) + 4px);
  box-shadow:var(--shadow);
  padding:clamp(22px, 4vw, 36px);
}
.hero-stage::before{
  content:"";
  position:absolute;
  inset:-30%;
  background:linear-gradient(130deg, transparent 26%, rgba(255,255,255,.09) 49%, transparent 72%);
  transform:translateX(-45%) rotate(12deg);
  animation:sweep 10s linear infinite;
  opacity:.45;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns: 1.04fr .96fr;
  gap:28px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  color:#ffdca8;
  font-size:.9rem;
  letter-spacing:.2px;
}
.eyebrow i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--primary-2);
  box-shadow:0 0 0 6px rgba(35,208,194,.12);
  display:inline-block;
}
.hero h1{
  margin:18px 0 16px;
  font-size:clamp(2.2rem, 5vw, 4.65rem);
  line-height:1.04;
  letter-spacing:-.04em;
  max-width:11ch;
}
.hero p{
  margin:0;
  max-width:60ch;
  color:var(--muted);
  font-size:1.02rem;
  line-height:1.82;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 18px;
  border-radius:999px;
  font-weight:800;
  border:1px solid transparent;
  transition:transform var(--tran), background var(--tran), color var(--tran), border-color var(--tran), box-shadow var(--tran), filter var(--tran);
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(35,208,194,.18)}
.btn-primary{
  background:linear-gradient(135deg, var(--primary) 0%, #ffb45f 48%, #ffe39e 100%);
  color:#131313;
  box-shadow:0 18px 34px rgba(255,139,61,.18);
}
.btn-primary:hover{transform:translateY(-2px);filter:saturate(1.04)}
.btn-secondary{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.12);
}
.btn-secondary:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.07);
  box-shadow:var(--shadow-soft);
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
.point{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  color:var(--text);
  font-size:.92rem;
}
.point::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--primary-2);
  box-shadow:0 0 0 5px rgba(35,208,194,.10);
  flex:0 0 auto;
}
.hero-visual{
  position:relative;
  min-height:500px;
  border-radius:28px;
}
.video-panel{
  position:absolute;
  inset:0;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.10);
  background:
    linear-gradient(180deg, rgba(10,18,29,.34), rgba(10,18,29,.75)),
    radial-gradient(circle at 35% 28%, rgba(255,139,61,.17), transparent 18%),
    radial-gradient(circle at 76% 24%, rgba(35,208,194,.16), transparent 19%),
    linear-gradient(135deg, #121e2f 0%, #0b1420 56%, #09111a 100%);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.video-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg, transparent 18%, rgba(255,255,255,.14) 49%, transparent 79%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(180deg, rgba(255,255,255,.03) 0 1px, transparent 1px 16px);
  opacity:.24;
  animation:floatpan 8s ease-in-out infinite;
}
.video-inner{
  position:absolute;
  inset:18px;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(circle at 50% 40%, rgba(255,255,255,.10), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  overflow:hidden;
}
.video-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,139,61,.12), transparent 22%),
    radial-gradient(circle at 20% 80%, rgba(35,208,194,.16), transparent 18%),
    radial-gradient(circle at 86% 66%, rgba(255,210,106,.14), transparent 15%);
}
.video-inner::after{
  content:"";
  position:absolute;
  inset:-20% -10%;
  background:conic-gradient(from 180deg at 50% 50%, rgba(255,255,255,.05), rgba(255,255,255,0), rgba(255,255,255,.05));
  opacity:.35;
  animation:spin 24s linear infinite;
}
.play-btn{
  position:absolute;
  inset:50% auto auto 50%;
  transform:translate(-50%, -50%);
  z-index:2;
  width:98px;
  height:98px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.10);
  color:#fff;
  display:grid;
  place-items:center;
  backdrop-filter:blur(12px);
  box-shadow:0 20px 50px rgba(0,0,0,.34);
  transition:transform var(--tran), background var(--tran), box-shadow var(--tran);
}
.play-btn:hover,
.play-btn:focus-visible{
  transform:translate(-50%, -50%) scale(1.05);
  background:rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(0,0,0,.44);
  outline:none;
}
.play-btn span{
  display:block;
  margin-left:4px;
  width:0;
  height:0;
  border-top:14px solid transparent;
  border-bottom:14px solid transparent;
  border-left:22px solid #fff;
  filter:drop-shadow(0 0 10px rgba(255,255,255,.28));
}
.video-meta{
  position:absolute;
  left:22px;
  right:22px;
  bottom:22px;
  z-index:2;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
}
.meta-card{
  max-width:270px;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(10,18,28,.62);
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-soft);
}
.meta-card strong{
  display:block;
  font-size:1rem;
  margin-bottom:4px;
}
.meta-card small{
  color:var(--muted);
  line-height:1.6;
}
.meta-badges{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  color:var(--text);
  font-size:.9rem;
  white-space:nowrap;
}
.badge b{
  color:#ffd78a;
  font-weight:800;
}
.section{
  padding:22px 0;
}
.section-box{
  background:rgba(16,27,43,.72);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  padding:clamp(22px, 3.6vw, 34px);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(14px);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:20px;
}
.section-title{
  margin:0;
  font-size:clamp(1.4rem, 2.6vw, 2rem);
  line-height:1.18;
  letter-spacing:-.02em;
}
.section-desc{
  margin:0;
  color:var(--muted);
  max-width:66ch;
  line-height:1.8;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#ffd8a0;
  font-weight:700;
  margin-bottom:10px;
  font-size:.92rem;
}
.kicker::before{
  content:"";
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 6px rgba(255,139,61,.10);
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:16px;
}
.feature-card{
  padding:18px 18px 20px;
  border-radius:20px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  transition:transform var(--tran), border-color var(--tran), box-shadow var(--tran), background var(--tran);
  min-height:178px;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(35,208,194,.22);
  box-shadow:var(--shadow-soft);
  background:linear-gradient(180deg, rgba(35,208,194,.06), rgba(255,255,255,.02));
}
.feature-icon{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, rgba(255,139,61,.18), rgba(35,208,194,.14));
  border:1px solid rgba(255,255,255,.08);
  margin-bottom:14px;
}
.feature-card h3{
  margin:0 0 8px;
  font-size:1.03rem;
  line-height:1.35;
}
.feature-card p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
  font-size:.95rem;
}
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.stat{
  padding:18px;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.10);
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  position:relative;
  overflow:hidden;
}
.stat::after{
  content:"";
  position:absolute;
  inset:auto -10% -40% auto;
  width:120px;
  height:120px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,139,61,.18), transparent 65%);
  pointer-events:none;
}
.stat-value{
  font-size:2rem;
  line-height:1;
  font-weight:900;
  letter-spacing:-.04em;
  margin-bottom:10px;
  color:#fff1cc;
}
.stat-label{
  display:block;
  font-weight:800;
  margin-bottom:6px;
}
.stat-note{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.7;
}
.story-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:18px;
}
.story-card,
.progress-card,
.panel-card,
.news-card,
.faq-card,
.privacy-card,
.form-card{
  border-radius:24px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow:var(--shadow-soft);
}
.story-card{
  padding:24px;
}
.story-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(35,208,194,.10);
  border:1px solid rgba(35,208,194,.20);
  color:#baf6f0;
  margin-bottom:16px;
  font-size:.92rem;
}
.story-card h3{
  margin:0 0 12px;
  font-size:1.4rem;
}
.story-card p{
  margin:0 0 14px;
  color:var(--muted);
  line-height:1.86;
}
.story-quote{
  margin-top:18px;
  padding:16px 16px 16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.story-quote strong{
  display:block;
  margin-bottom:6px;
}
.story-quote p{
  margin:0;
  color:#d9e5f4;
  line-height:1.8;
}
.progress-card{
  padding:24px;
}
.progress-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  margin-bottom:16px;
}
.progress-head h3{
  margin:0;
  font-size:1.18rem;
}
.progress-head span{
  color:#ffdca0;
  font-weight:800;
}
.progress-bar{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
  margin:12px 0 18px;
}
.progress-bar > i{
  display:block;
  height:100%;
  width:72%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--primary), #ffd46e, var(--primary-2));
  box-shadow:0 0 18px rgba(255,139,61,.28);
}
.step-list{
  display:grid;
  gap:12px;
}
.step{
  display:flex;
  gap:12px;
  padding:14px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.step-num{
  flex:0 0 auto;
  width:32px;
  height:32px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, rgba(255,139,61,.20), rgba(35,208,194,.16));
  color:#fff;
  font-weight:900;
}
.step strong{
  display:block;
  margin-bottom:3px;
}
.step p{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.65;
}
.lead-grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:18px;
}
.form-card{
  padding:24px;
}
.form-card h3{
  margin:0 0 10px;
  font-size:1.25rem;
}
.form-card p{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.82;
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.field{
  display:grid;
  gap:8px;
}
.field.full{grid-column:1 / -1}
.field label{
  color:#d9e4f2;
  font-weight:700;
  font-size:.95rem;
}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(7,16,25,.6);
  color:var(--text);
  padding:13px 14px;
  border-radius:16px;
  transition:border-color var(--tran), box-shadow var(--tran), background var(--tran);
  outline:none;
}
.field textarea{min-height:128px;resize:vertical}
.field input::placeholder,
.field textarea::placeholder{color:#8195a9}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:rgba(35,208,194,.35);
  box-shadow:0 0 0 4px rgba(35,208,194,.12);
  background:rgba(8,17,27,.82);
}
.form-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  margin-top:16px;
}
.form-note{
  color:var(--soft);
  font-size:.92rem;
  line-height:1.7;
}
.form-status{
  margin:14px 0 0;
  min-height:24px;
  color:#c8f7f0;
  font-weight:700;
}
.side-panel{
  padding:24px;
}
.side-panel h3{
  margin:0 0 14px;
  font-size:1.2rem;
}
.side-list{
  display:grid;
  gap:12px;
}
.side-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.side-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--primary-2);
  margin-top:6px;
  flex:0 0 auto;
  box-shadow:0 0 0 5px rgba(35,208,194,.10);
}
.side-item strong{
  display:block;
  margin-bottom:3px;
}
.side-item p{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.7;
}
.news-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
}
.news-list{
  display:grid;
  gap:12px;
}
.news-item{
  padding:16px 16px 16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  transition:transform var(--tran), border-color var(--tran), background var(--tran);
}
.news-item:hover{
  transform:translateY(-3px);
  border-color:rgba(255,139,61,.20);
  background:rgba(255,255,255,.055);
}
.news-head{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:8px;
}
.news-head .tag{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,139,61,.12);
  color:#ffd9a8;
  border:1px solid rgba(255,139,61,.18);
  font-size:.84rem;
  font-weight:700;
}
.news-item h3{
  margin:0;
  font-size:1.03rem;
  line-height:1.5;
}
.news-item a{
  display:inline-block;
  transition:color var(--tran), transform var(--tran);
}
.news-item a:hover{
  color:#fff1c5;
  transform:translateX(2px);
}
.news-item p{
  margin:8px 0 0;
  color:var(--muted);
  line-height:1.75;
  font-size:.95rem;
}
.news-side{
  padding:24px;
}
.news-side .mini-title{
  margin:0 0 12px;
  font-size:1.16rem;
}
.mini-rows{
  display:grid;
  gap:10px;
}
.mini-row{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mini-row:last-child{border-bottom:none;padding-bottom:0}
.mini-row span{
  color:var(--muted);
  font-size:.92rem;
}
.mini-row strong{
  display:block;
  margin-bottom:4px;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}
.tag-pill{
  padding:9px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:#dce8f5;
  font-size:.9rem;
  transition:transform var(--tran), border-color var(--tran), background var(--tran);
}
.tag-pill:hover{
  transform:translateY(-2px);
  border-color:rgba(35,208,194,.25);
  background:rgba(35,208,194,.08);
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
details{
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  overflow:hidden;
  transition:border-color var(--tran), background var(--tran), transform var(--tran);
}
details:hover{
  border-color:rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
}
details[open]{
  border-color:rgba(35,208,194,.22);
  background:rgba(35,208,194,.06);
}
summary{
  list-style:none;
  padding:16px 18px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-weight:800;
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"+";
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:10px;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.06);
  color:#fff;
  transition:transform var(--tran), background var(--tran);
}
details[open] summary::after{
  content:"–";
  background:rgba(35,208,194,.16);
}
.faq-answer{
  padding:0 18px 18px;
  color:var(--muted);
  line-height:1.82;
}
.privacy-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.privacy-card{
  padding:18px;
}
.privacy-card h3{
  margin:0 0 10px;
  font-size:1.02rem;
}
.privacy-card p{
  margin:0;
  color:var(--muted);
  line-height:1.78;
}
.privacy-footer{
  margin-top:18px;
  padding:18px;
  border-radius:20px;
  background:linear-gradient(135deg, rgba(255,139,61,.12), rgba(35,208,194,.10));
  border:1px solid rgba(255,255,255,.10);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.privacy-footer p{
  margin:0;
  color:#eaf2fb;
  line-height:1.8;
}
.footer-cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.site-footer{
  margin-top:22px;
  padding:24px 0 36px;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(7,16,25,.2), rgba(7,16,25,.56));
}
.footer-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  flex-wrap:wrap;
}
.footer-brand{
  display:grid;
  gap:10px;
  max-width:540px;
}
.footer-brand p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}
.footer-links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}
.footer-links a{
  color:var(--muted);
  padding:9px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  transition:transform var(--tran), color var(--tran), background var(--tran), border-color var(--tran);
}
.footer-links a:hover,
.footer-links a:focus-visible{
  color:var(--text);
  border-color:rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  transform:translateY(-1px);
  outline:none;
}
.footer-bottom{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  color:var(--soft);
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:space-between;
}
hr.sep{
  border:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.10), transparent);
  margin:20px 0;
}
@keyframes sweep{
  0%{transform:translateX(-48%) rotate(12deg)}
  100%{transform:translateX(48%) rotate(12deg)}
}
@keyframes floatpan{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(10px)}
}
@keyframes spin{
  to{transform:rotate(360deg)}
}
@media (max-width: 1080px){
  .hero-grid,
  .story-grid,
  .lead-grid,
  .news-grid{
    grid-template-columns:1fr;
  }
  .feature-grid,
  .stats-strip,
  .privacy-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .hero-visual{
    min-height:430px;
  }
}
@media (max-width: 768px){
  .header-inner{
    flex-wrap:wrap;
    padding:12px 0;
  }
  .main-nav{
    order:3;
    flex:0 0 100%;
    justify-content:flex-start;
    overflow:auto;
    padding-bottom:2px;
  }
  .hero{
    padding-top:16px;
  }
  .hero-stage{
    padding:18px;
  }
  .hero h1{
    max-width:14ch;
  }
  .video-meta{
    left:16px;
    right:16px;
    bottom:16px;
    flex-direction:column;
    align-items:flex-start;
  }
  .meta-badges{
    justify-content:flex-start;
  }
  .section{
    padding:18px 0;
  }
  .section-head{
    align-items:flex-start;
    flex-direction:column;
  }
  .feature-grid,
  .stats-strip,
  .privacy-grid,
  .form-grid{
    grid-template-columns:1fr;
  }
  .form-grid .field.full{
    grid-column:auto;
  }
  .footer-top,
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width: 520px){
  .container{
    width:min(var(--container),calc(100% - 24px));
  }
  .brand-text{
    font-size:.98rem;
  }
  .header-cta{
    width:100%;
  }
  .hero h1{
    font-size:clamp(2rem, 10vw, 3rem);
  }
  .hero p,
  .section-desc,
  .story-card p,
  .faq-answer,
  .form-note{
    font-size:.95rem;
  }
  .btn{
    width:100%;
  }
  .hero-actions,
  .footer-cta{
    width:100%;
  }
  .hero-visual{
    min-height:390px;
  }
  .play-btn{
    width:86px;
    height:86px;
  }
}