/* roulang page: index */
:root{
  --bg-0:#060b16;
  --bg-1:#0a1326;
  --bg-2:#101c35;
  --panel:rgba(13, 22, 42, .68);
  --panel-strong:rgba(15, 26, 49, .84);
  --line:rgba(145, 175, 255, .14);
  --line-strong:rgba(143, 235, 255, .24);
  --text:#e8f0ff;
  --muted:#a7b5d6;
  --faint:#7c8ab2;
  --brand:#67f3ff;
  --brand-2:#7f7cff;
  --brand-3:#2fd3b9;
  --shadow:0 24px 60px rgba(0,0,0,.35);
  --shadow-soft:0 12px 34px rgba(0,0,0,.22);
  --radius:22px;
  --radius-sm:16px;
  --pill:999px;
  --gap:clamp(14px, 1.8vw, 22px);
  --section-gap:clamp(24px, 4vw, 56px);
  --container:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(100, 240, 255, .12), transparent 26%),
    radial-gradient(circle at 82% 14%, rgba(127, 124, 255, .11), transparent 22%),
    radial-gradient(circle at 60% 90%, rgba(47, 211, 185, .10), transparent 24%),
    linear-gradient(180deg, #08101d 0%, #091122 45%, #050910 100%);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.52), transparent 85%);
  opacity:.35;
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  inset:-10%;
  pointer-events:none;
  background:
    radial-gradient(circle at 40% 30%, rgba(103,243,255,.06), transparent 22%),
    radial-gradient(circle at 75% 60%, rgba(127,124,255,.05), transparent 18%);
  filter:blur(18px);
  z-index:-3;
}
::selection{background:rgba(103,243,255,.28);color:#fff}
a{
  color:inherit;
  text-decoration:none;
  transition:color .24s ease, opacity .24s ease, transform .24s ease, border-color .24s ease, background-color .24s ease, box-shadow .24s ease;
}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{
  cursor:pointer;
  border:0;
  background:none;
  color:inherit;
}
p{margin:0 0 1rem}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .75rem;
  line-height:1.15;
  letter-spacing:-.02em;
}
.container-max{
  width:min(var(--container), calc(100% - 28px));
  margin:0 auto;
}
.section{
  padding:var(--section-gap) 0;
  position:relative;
}
.section + .section{padding-top:0}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:18px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:var(--pill);
  background:rgba(255,255,255,.03);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.section-title{
  font-size:clamp(26px, 3vw, 40px);
  color:#f4f8ff;
}
.section-lead{
  max-width:760px;
  color:var(--muted);
  font-size:clamp(15px, 1.15vw, 18px);
}
.glass-card{
  position:relative;
  background:linear-gradient(180deg, rgba(18, 31, 60, .74), rgba(10, 16, 33, .56));
  border:1px solid rgba(157, 194, 255, .14);
  border-radius:var(--radius);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  overflow:hidden;
}
.glass-card::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(255,255,255,.10), transparent 18%);
  opacity:.6;
}
.glass-card:hover{
  transform:translateY(-3px);
  box-shadow:0 24px 50px rgba(0,0,0,.34), 0 0 0 1px rgba(103,243,255,.10) inset;
}
.glass-card,
.btn,
.nav-pill,
.search-box,
.accordion-item,
.update-item{
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease, background-color .24s ease, opacity .24s ease;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 11px;
  border-radius:var(--pill);
  border:1px solid rgba(103,243,255,.24);
  background:rgba(103,243,255,.08);
  color:#c8fbff;
  font-size:12px;
  line-height:1;
  white-space:nowrap;
}
.badge.alt{
  border-color:rgba(127,124,255,.24);
  background:rgba(127,124,255,.10);
  color:#dcd9ff;
}
.badge.soft{
  border-color:rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:var(--muted);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:0 18px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-weight:700;
  letter-spacing:.01em;
  user-select:none;
  position:relative;
  overflow:hidden;
}
.btn-primary{
  color:#04111d;
  background:linear-gradient(135deg, #6af7ff 0%, #71d8ff 42%, #9e86ff 100%);
  box-shadow:0 14px 34px rgba(103,243,255,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 40px rgba(103,243,255,.30);
  color:#03101c;
}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(186, 210, 255, .16);
  color:#eaf3ff;
}
.btn-ghost:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.06);
  border-color:rgba(103,243,255,.28);
}
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
button:focus-visible{
  outline:2px solid rgba(103,243,255,.9);
  outline-offset:3px;
}
.site-dock{
  position:sticky;
  top:12px;
  z-index:50;
  width:min(var(--container), calc(100% - 16px));
  margin:12px auto 0;
  padding:10px;
  border-radius:26px;
  background:rgba(8, 13, 26, .66);
  border:1px solid rgba(141, 171, 255, .16);
  box-shadow:0 16px 40px rgba(0,0,0,.22);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}
.dock-row{
  display:flex;
  align-items:center;
  gap:12px;
  justify-content:space-between;
}
.brand-mark{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-dot{
  width:38px;height:38px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(103,243,255,.24), rgba(127,124,255,.28));
  border:1px solid rgba(103,243,255,.34);
  color:#fff;
  box-shadow:0 12px 24px rgba(103,243,255,.12);
  flex:0 0 auto;
}
.brand-text{
  min-width:0;
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-name{
  font-weight:800;
  font-size:16px;
  color:#f4f8ff;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-sub{
  color:var(--muted);
  font-size:12px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:10px;
  padding:4px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.06);
}
.nav-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 14px;
  border-radius:var(--pill);
  color:var(--muted);
  border:1px solid transparent;
  font-size:14px;
  white-space:nowrap;
}
.nav-pill:hover{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-color:rgba(103,243,255,.14);
}
.nav-pill.active{
  color:#05111d;
  background:linear-gradient(135deg, rgba(106,247,255,.92), rgba(157,134,255,.9));
  box-shadow:0 10px 22px rgba(103,243,255,.14);
}
.dock-cta{
  display:flex;
  align-items:center;
  gap:10px;
}
.hero{
  padding:clamp(18px, 3vw, 32px) 0 8px;
}
.hero-shell{
  position:relative;
  padding:clamp(22px, 4vw, 40px);
  border-radius:28px;
  border:1px solid rgba(151, 195, 255, .16);
  background:
    radial-gradient(circle at 18% 18%, rgba(103,243,255,.12), transparent 22%),
    radial-gradient(circle at 88% 12%, rgba(127,124,255,.12), transparent 18%),
    linear-gradient(180deg, rgba(14, 22, 43, .78), rgba(7, 12, 24, .72));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-shell::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(circle at 26% 16%, rgba(103,243,255,.18), transparent 20%),
    radial-gradient(circle at 78% 18%, rgba(127,124,255,.10), transparent 18%),
    linear-gradient(135deg, rgba(255,255,255,.08), transparent 20%);
  pointer-events:none;
  opacity:.7;
}
.hero-shell::after{
  content:"";
  position:absolute;
  inset:auto -12% -22% -12%;
  height:220px;
  background:linear-gradient(180deg, transparent, rgba(103,243,255,.08));
  transform:skewY(-7deg);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:var(--gap);
  align-items:stretch;
}
.hero-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}
.hero-kickers{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero h1{
  font-size:clamp(34px, 5vw, 60px);
  line-height:1.06;
  max-width:12ch;
}
.hero-sub{
  max-width:54rem;
  color:var(--muted);
  font-size:clamp(16px, 1.5vw, 19px);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:6px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:4px;
}
.metric-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  color:#dfe9ff;
}
.metric-chip strong{
  font-size:18px;
  color:#fff;
}
.hero-panel{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.hero-panel .panel-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
}
.panel-title{
  font-size:18px;
  font-weight:800;
  color:#f5f8ff;
}
.panel-note{
  color:var(--muted);
  font-size:14px;
}
.search-box{
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px;
  border-radius:24px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
}
.search-box input{
  margin:0;
  height:42px;
  border:0;
  border-radius:16px;
  background:transparent;
  color:#eef4ff;
  box-shadow:none;
  padding:0 10px;
  min-width:0;
}
.search-box input::placeholder{color:#8190b9}
.search-box .btn{height:42px;min-height:42px;padding:0 16px}
.hero-mini-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:12px;
}
.mini-card{
  padding:14px;
  border-radius:20px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.mini-card h3{
  font-size:15px;
  margin-bottom:6px;
}
.mini-card p{
  color:var(--muted);
  font-size:13px;
  line-height:1.65;
  margin:0;
}
.poster-stack{
  display:grid;
  gap:10px;
}
.poster-strip{
  padding:12px;
  border-radius:20px;
  background:
    linear-gradient(135deg, rgba(103,243,255,.12), rgba(127,124,255,.08)),
    rgba(255,255,255,.03);
  border:1px solid rgba(103,243,255,.16);
}
.poster-strip .line{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  margin-bottom:10px;
}
.poster-strip .line.wide{width:86%}
.poster-strip .line.mid{width:68%}
.poster-strip .line.short{width:44%}
.poster-rail{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
}
.poster-tile{
  aspect-ratio:2/3;
  border-radius:18px;
  background:
    radial-gradient(circle at 30% 18%, rgba(103,243,255,.24), transparent 26%),
    radial-gradient(circle at 70% 34%, rgba(127,124,255,.20), transparent 24%),
    linear-gradient(160deg, rgba(18, 32, 60, .95), rgba(8, 13, 24, .95));
  border:1px solid rgba(180, 204, 255, .14);
  position:relative;
  overflow:hidden;
}
.poster-tile::after{
  content:"";
  position:absolute;
  inset:auto 12px 12px;
  height:34%;
  border-radius:14px;
  background:linear-gradient(180deg, transparent, rgba(255,255,255,.12));
}
.poster-tile small{
  position:absolute;
  left:12px;
  top:12px;
  display:inline-flex;
  padding:6px 9px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  color:#f4fbff;
  font-size:11px;
}
.points-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:var(--gap);
}
.point-card{
  padding:18px;
  min-height:160px;
}
.point-icon{
  width:46px;height:46px;border-radius:16px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(103,243,255,.14), rgba(127,124,255,.12));
  border:1px solid rgba(103,243,255,.18);
  color:#dffcff;
  font-size:18px;
  margin-bottom:14px;
}
.point-card h3{font-size:18px}
.point-card p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.solution-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--gap);
  align-items:stretch;
}
.timeline{
  padding:18px;
}
.timeline-step{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.timeline-step:first-child{border-top:0;padding-top:4px}
.step-num{
  width:36px;height:36px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(103,243,255,.12);
  border:1px solid rgba(103,243,255,.22);
  color:#dffeff;
  flex:0 0 auto;
  font-weight:800;
}
.step-body h3{font-size:17px;margin-bottom:5px}
.step-body p{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
.solution-stack{
  display:grid;
  gap:12px;
}
.info-band{
  padding:18px;
}
.info-band h3{
  font-size:18px;
}
.info-band p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
  margin-bottom:12px;
}
.inline-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:10px;
}
.inline-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:#dbe7ff;
  font-size:14px;
}
.inline-list i{
  color:var(--brand);
  margin-top:4px;
}
.update-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:var(--gap);
  align-items:start;
}
.featured-update{
  padding:20px;
  min-height:100%;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.featured-update h3{
  font-size:24px;
  margin-top:10px;
}
.featured-update p{
  color:var(--muted);
  line-height:1.8;
}
.featured-update .meta-row,
.update-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.update-list{
  display:grid;
  gap:14px;
}
.update-item{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:16px;
  border-radius:20px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.08);
}
.update-item:hover{
  transform:translateY(-2px);
  border-color:rgba(103,243,255,.20);
  box-shadow:0 16px 34px rgba(0,0,0,.20);
}
.update-item h3{
  font-size:17px;
  line-height:1.35;
  margin:0;
}
.update-item p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}
.update-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#dffcff;
  font-weight:700;
  font-size:14px;
}
.update-link:hover{color:var(--brand)}
.update-link i{font-size:12px}
.list-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:var(--gap);
}
.stat-card{
  padding:18px;
  min-height:176px;
}
.stat-num{
  display:block;
  font-size:38px;
  line-height:1;
  font-weight:900;
  background:linear-gradient(135deg, #f2ffff 0%, #8ff8ff 35%, #b6a2ff 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  margin-bottom:10px;
}
.stat-label{
  font-size:16px;
  color:#f1f7ff;
  font-weight:800;
  margin-bottom:8px;
}
.stat-copy{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.quotes-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:var(--gap);
}
.quote-card{
  padding:18px;
}
.quote-top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.avatar{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(103,243,255,.15), rgba(127,124,255,.16));
  border:1px solid rgba(103,243,255,.18);
  color:#f5fbff;
  font-weight:800;
  flex:0 0 auto;
}
.quote-name{
  font-weight:800;
  margin:0;
}
.quote-time{
  color:var(--muted);
  font-size:12px;
}
.quote-text{
  color:#dfe8ff;
  font-size:15px;
  line-height:1.8;
  min-height:96px;
}
.rating{
  display:flex;
  gap:4px;
  color:#7ff4ff;
  font-size:12px;
}
.faq-wrap{
  display:grid;
  gap:12px;
}
.accordion-item{
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.035);
}
.accordion-trigger{
  width:100%;
  padding:18px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  text-align:left;
  font-weight:800;
  color:#f4f8ff;
}
.accordion-trigger span{
  font-size:16px;
  line-height:1.45;
}
.accordion-icon{
  width:34px;height:34px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  color:var(--brand);
  flex:0 0 auto;
}
.accordion-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease, padding .34s ease, opacity .24s ease;
  padding:0 20px;
  opacity:.92;
}
.accordion-panel p{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  padding-bottom:18px;
  margin:0;
}
.accordion-item.open{
  border-color:rgba(103,243,255,.22);
  box-shadow:0 18px 34px rgba(0,0,0,.20);
}
.accordion-item.open .accordion-panel{
  max-height:280px;
}
.accordion-item.open .accordion-icon i{
  transform:rotate(45deg);
}
.cta-panel{
  padding:22px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:var(--gap);
  align-items:center;
}
.cta-copy h2{
  font-size:clamp(28px, 3.2vw, 42px);
}
.cta-copy p{
  color:var(--muted);
  max-width:52rem;
  font-size:16px;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}
.cta-side{
  display:grid;
  gap:12px;
}
.cta-box{
  padding:16px;
  border-radius:20px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.cta-box h3{
  font-size:16px;
  margin-bottom:8px;
}
.cta-box p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.footer{
  padding:22px 0 34px;
}
.footer-shell{
  padding:20px;
  border-radius:24px 24px 20px 20px;
  background:rgba(8, 13, 26, .74);
  border:1px solid rgba(144, 175, 255, .14);
  box-shadow:var(--shadow-soft);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr .8fr;
  gap:18px;
  align-items:start;
}
.footer-brand{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.footer-brand .brand-dot{width:42px;height:42px}
.footer-title{
  font-size:18px;
  font-weight:800;
  margin-bottom:8px;
}
.footer-text{
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:var(--muted);
  font-size:14px;
}
.footer-links a:hover{color:var(--brand)}
.footer-note{
  color:var(--faint);
  font-size:13px;
  line-height:1.75;
}
.footer-bottom{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  color:var(--faint);
  font-size:13px;
}
.floating-top{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:40;
}
.to-top{
  width:48px;height:48px;
  border-radius:18px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(106,247,255,.92), rgba(127,124,255,.92));
  color:#04111d;
  box-shadow:0 18px 30px rgba(103,243,255,.22);
  border:0;
}
.to-top:hover{transform:translateY(-2px)}
.update-empty{
  padding:18px;
  border-radius:20px;
  background:rgba(255,255,255,.04);
  border:1px dashed rgba(181, 205, 255, .16);
  color:var(--muted);
}
hr.sep{
  border:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  margin:0;
}
@media (max-width: 1280px){
  .hero h1{max-width:13ch}
  .points-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .quotes-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (max-width: 1024px){
  .hero-grid,
  .solution-wrap,
  .update-grid,
  .cta-panel,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .list-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .points-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .hero h1{max-width:none}
}
@media (max-width: 768px){
  .site-dock{
    width:calc(100% - 12px);
    padding:8px;
    border-radius:22px;
  }
  .dock-row{
    flex-wrap:wrap;
  }
  .nav-links{
    width:100%;
    overflow-x:auto;
    scrollbar-width:none;
    justify-content:flex-start;
  }
  .nav-links::-webkit-scrollbar{display:none}
  .dock-cta{width:100%;justify-content:flex-end}
  .hero-shell{padding:18px}
  .hero-mini-grid{grid-template-columns:1fr}
  .poster-rail{grid-template-columns:repeat(3, minmax(0,1fr))}
  .list-grid{grid-template-columns:1fr}
  .quotes-grid{grid-template-columns:1fr}
  .points-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width: 520px){
  .container-max{width:min(var(--container), calc(100% - 18px))}
  .hero{padding-top:12px}
  .hero-shell{border-radius:22px}
  .hero h1{font-size:clamp(30px, 11vw, 42px)}
  .section-title{font-size:clamp(24px, 9vw, 34px)}
  .btn{width:100%}
  .hero-actions,.cta-actions{width:100%}
  .hero-actions .btn,.cta-actions .btn{flex:1 1 100%}
  .search-box{flex-direction:column;align-items:stretch}
  .search-box input,.search-box .btn{width:100%}
  .metric-chip{width:100%;justify-content:space-between}
  .brand-text .brand-sub{max-width:180px}
  .accordion-trigger{padding:16px}
  .accordion-panel{padding:0 16px}
  .poster-rail{grid-template-columns:1fr 1fr 1fr}
}

/* roulang page: article */
:root{
      --bg-0:#060b16;
      --bg-1:#0a1326;
      --bg-2:#101c35;
      --panel:rgba(13, 22, 42, .68);
      --panel-strong:rgba(15, 26, 49, .84);
      --line:rgba(145, 175, 255, .14);
      --line-strong:rgba(143, 235, 255, .24);
      --text:#e8f0ff;
      --muted:#a7b5d6;
      --faint:#7c8ab2;
      --brand:#67f3ff;
      --brand-2:#7f7cff;
      --brand-3:#2fd3b9;
      --shadow:0 24px 60px rgba(0,0,0,.35);
      --shadow-soft:0 12px 34px rgba(0,0,0,.22);
      --radius:22px;
      --radius-sm:16px;
      --pill:999px;
      --gap:clamp(14px, 1.8vw, 22px);
      --section-gap:clamp(24px, 4vw, 56px);
      --container:1160px;
    }
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 20% 10%, rgba(100, 240, 255, .12), transparent 26%),
        radial-gradient(circle at 82% 14%, rgba(127, 124, 255, .11), transparent 22%),
        radial-gradient(circle at 60% 90%, rgba(47, 211, 185, .10), transparent 24%),
        linear-gradient(180deg, #08101d 0%, #091122 45%, #050910 100%);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.8;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.52), transparent 85%);
      opacity:.35;
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:-10%;
      pointer-events:none;
      background:
        radial-gradient(circle at 40% 30%, rgba(103,243,255,.06), transparent 22%),
        radial-gradient(circle at 75% 60%, rgba(127,124,255,.05), transparent 18%);
      filter:blur(18px);
      z-index:-3;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .24s ease, opacity .24s ease, transform .24s ease, border-color .24s ease, background-color .24s ease, box-shadow .24s ease;
    }
    a:hover{color:var(--brand)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{
      cursor:pointer;
      border:0;
      background:none;
      color:inherit;
    }
    ::selection{
      background:rgba(103,243,255,.26);
      color:#fff;
    }
    .container-max{
      width:min(var(--container), calc(100% - 28px));
      margin:0 auto;
    }
    .section{
      padding:var(--section-gap) 0;
      position:relative;
    }
    .section + .section{padding-top:0}
    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .section-title{
      font-size:clamp(26px, 3vw, 40px);
      color:#f4f8ff;
      line-height:1.15;
      margin:0;
      letter-spacing:-.02em;
    }
    .section-lead{
      max-width:760px;
      color:var(--muted);
      font-size:clamp(15px, 1.15vw, 18px);
      margin:0;
    }
    .glass-card{
      position:relative;
      background:linear-gradient(180deg, rgba(18, 31, 60, .74), rgba(10, 16, 33, .56));
      border:1px solid rgba(157, 194, 255, .14);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      overflow:hidden;
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      background:linear-gradient(180deg, rgba(255,255,255,.10), transparent 18%);
      opacity:.6;
    }
    .glass-card:hover{
      transform:translateY(-3px);
      box-shadow:0 24px 50px rgba(0,0,0,.34), 0 0 0 1px rgba(103,243,255,.10) inset;
    }
    .glass-card,
    .btn,
    .nav-pill,
    .dock-row,
    .faq-item,
    .info-item,
    .related-card,
    .stat-tile,
    .tag-chip{
      transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease, background-color .24s ease, opacity .24s ease, color .24s ease;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:var(--pill);
      border:1px solid rgba(103,243,255,.24);
      background:rgba(103,243,255,.08);
      color:#c8fbff;
      font-size:12px;
      line-height:1;
      white-space:nowrap;
      letter-spacing:.02em;
    }
    .badge.alt{
      border-color:rgba(127,124,255,.24);
      background:rgba(127,124,255,.10);
      color:#dcd9ff;
    }
    .badge.soft{
      border-color:rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--muted);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:var(--pill);
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      user-select:none;
      position:relative;
      overflow:hidden;
      white-space:nowrap;
    }
    .btn-primary{
      color:#04111d;
      background:linear-gradient(135deg, #6af7ff 0%, #71d8ff 42%, #9e86ff 100%);
      box-shadow:0 14px 34px rgba(103,243,255,.24);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 40px rgba(103,243,255,.30);
      color:#03101c;
    }
    .btn-ghost{
      background:rgba(255,255,255,.03);
      border-color:rgba(186, 210, 255, .16);
      color:#eaf3ff;
    }
    .btn-ghost:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.06);
      border-color:rgba(103,243,255,.28);
    }
    .btn-link{
      color:var(--muted);
      padding:0;
      min-height:auto;
      border-radius:0;
      font-weight:600;
    }
    .btn-link:hover{color:#fff}
    .btn:focus-visible,
    a:focus-visible,
    input:focus-visible,
    button:focus-visible,
    summary:focus-visible{
      outline:2px solid rgba(103,243,255,.9);
      outline-offset:3px;
    }
    .site-dock{
      position:sticky;
      top:14px;
      z-index:60;
      padding:0 0 10px;
      pointer-events:none;
    }
    .site-dock .dock-row{
      width:min(var(--container), calc(100% - 20px));
      margin:0 auto;
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:12px;
      justify-content:space-between;
      padding:12px;
      border-radius:calc(var(--radius) + 4px);
      background:rgba(10, 17, 34, .66);
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .site-dock .dock-row::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      background:linear-gradient(180deg, rgba(255,255,255,.08), transparent 18%);
      opacity:.7;
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      flex:1 1 auto;
    }
    .brand-dot{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(103,243,255,.24), rgba(127,124,255,.28));
      border:1px solid rgba(103,243,255,.34);
      color:#fff;
      box-shadow:0 12px 24px rgba(103,243,255,.12);
      flex:0 0 auto;
    }
    .brand-text{
      min-width:0;
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-name{
      font-weight:800;
      font-size:16px;
      color:#f4f8ff;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      padding:4px;
      border-radius:var(--pill);
      background:rgba(255,255,255,.02);
      border:1px solid rgba(255,255,255,.06);
      flex:0 0 auto;
    }
    .nav-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:40px;
      padding:0 14px;
      border-radius:var(--pill);
      color:var(--muted);
      border:1px solid transparent;
      font-size:14px;
      white-space:nowrap;
    }
    .nav-pill:hover{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:rgba(103,243,255,.14);
    }
    .nav-pill.active{
      color:#05111d;
      background:linear-gradient(135deg, rgba(106,247,255,.92), rgba(157,134,255,.92));
      box-shadow:0 12px 30px rgba(103,243,255,.18);
    }
    .dock-cta{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .main-wrap{
      padding-top:22px;
    }
    .article-hero{
      padding-top:18px;
      padding-bottom:24px;
    }
    .hero-stage{
      display:grid;
      grid-template-columns:minmax(0, 1.35fr) minmax(280px, .9fr);
      gap:22px;
      padding:24px;
      border-radius:calc(var(--radius) + 4px);
      background:
        radial-gradient(circle at top left, rgba(103,243,255,.10), transparent 26%),
        radial-gradient(circle at 80% 20%, rgba(127,124,255,.11), transparent 20%),
        linear-gradient(180deg, rgba(16, 28, 53, .84), rgba(8, 13, 26, .64));
    }
    .hero-stage::after{
      content:"";
      position:absolute;
      inset:auto -12% -30% auto;
      width:320px;
      height:320px;
      background:radial-gradient(circle, rgba(103,243,255,.12), transparent 68%);
      filter:blur(10px);
      pointer-events:none;
    }
    .hero-copy{
      position:relative;
      z-index:1;
      min-width:0;
    }
    .status-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:14px;
    }
    .hero-kicker{
      margin:0 0 10px;
      color:var(--brand);
      font-size:13px;
      letter-spacing:.08em;
      text-transform:uppercase;
      font-weight:700;
    }
    .hero-title{
      margin:0;
      font-size:clamp(30px, 4vw, 54px);
      line-height:1.08;
      letter-spacing:-.03em;
      color:#f5f8ff;
    }
    .hero-desc{
      margin:14px 0 0;
      max-width:62ch;
      color:var(--muted);
      font-size:16px;
      line-height:1.86;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 12px;
      border-radius:var(--pill);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(157, 194, 255, .12);
      color:#dce7ff;
      font-size:13px;
    }
    .hero-panel{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .panel-card{
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(13, 22, 42, .84), rgba(11, 17, 32, .72));
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      padding:18px;
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin:0 0 14px;
      color:#f5f8ff;
      font-size:16px;
      font-weight:800;
      line-height:1.3;
    }
    .panel-list{
      display:grid;
      gap:12px;
      margin:0;
    }
    .info-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(157, 194, 255, .11);
      background:rgba(255,255,255,.03);
    }
    .info-item:hover{
      transform:translateY(-2px);
      border-color:rgba(103,243,255,.18);
      background:rgba(255,255,255,.05);
    }
    .info-ico{
      width:34px;height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#c8fbff;
      background:linear-gradient(135deg, rgba(103,243,255,.16), rgba(127,124,255,.16));
      border:1px solid rgba(103,243,255,.18);
    }
    .info-body{min-width:0}
    .info-label{
      display:block;
      color:var(--faint);
      font-size:12px;
      line-height:1.2;
      margin-bottom:3px;
    }
    .info-value{
      display:block;
      color:#eef5ff;
      font-size:14px;
      line-height:1.55;
      word-break:break-all;
    }
    .crumb-wrap{
      padding:0 0 10px;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--faint);
      font-size:13px;
    }
    .crumbs a{
      color:var(--muted);
    }
    .crumbs a:hover{color:#fff}
    .crumbs .sep{
      opacity:.42;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0, 1.35fr) minmax(280px, .72fr);
      gap:22px;
      align-items:start;
    }
    .article-shell,
    .sidebar-shell{
      position:relative;
    }
    .article-shell{
      padding:22px;
      border-radius:calc(var(--radius) + 2px);
      background:linear-gradient(180deg, rgba(14, 22, 43, .82), rgba(9, 13, 25, .62));
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .article-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(255,255,255,.06), transparent 16%);
      pointer-events:none;
    }
    .article-headbar{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
      position:relative;
      z-index:1;
    }
    .article-headbar .left,
    .article-headbar .right{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .article-title{
      margin:0;
      font-size:clamp(26px, 3.2vw, 40px);
      line-height:1.18;
      letter-spacing:-.03em;
      color:#f7f9ff;
      position:relative;
      z-index:1;
    }
    .article-lead{
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
      line-height:1.88;
      position:relative;
      z-index:1;
    }
    .article-content{
      position:relative;
      z-index:1;
      margin-top:22px;
      color:#dbe5fb;
      font-size:17px;
      line-height:1.88;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content :is(p, ul, ol, blockquote, pre, table, figure, hr){
      margin:0 0 18px;
    }
    .article-content h2,
    .article-content h3,
    .article-content h4{
      margin:28px 0 14px;
      color:#f6f8ff;
      line-height:1.28;
      letter-spacing:-.02em;
    }
    .article-content h2{font-size:clamp(22px, 2.3vw, 30px)}
    .article-content h3{font-size:clamp(19px, 1.8vw, 24px)}
    .article-content h4{font-size:18px}
    .article-content p{
      color:#d7e1f7;
    }
    .article-content a{
      color:#86f8ff;
      text-decoration:none;
      border-bottom:1px solid rgba(103,243,255,.22);
    }
    .article-content a:hover{
      color:#d6fdff;
      border-bottom-color:rgba(103,243,255,.55);
    }
    .article-content ul,
    .article-content ol{
      padding-left:1.15em;
      color:#d7e1f7;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      padding:18px 18px 18px 20px;
      border-left:3px solid rgba(103,243,255,.72);
      background:rgba(103,243,255,.06);
      border-radius:14px;
      color:#eaf4ff;
    }
    .article-content pre{
      padding:16px 18px;
      border-radius:18px;
      background:rgba(4, 9, 18, .78);
      border:1px solid rgba(157, 194, 255, .12);
      overflow:auto;
      color:#d9e7ff;
    }
    .article-content code{
      padding:.15em .4em;
      border-radius:8px;
      background:rgba(255,255,255,.06);
      color:#bffcff;
      font-size:.95em;
    }
    .article-content pre code{
      padding:0;
      background:none;
      color:inherit;
    }
    .article-content hr{
      border:0;
      border-top:1px solid rgba(157, 194, 255, .14);
      margin:24px 0;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(157, 194, 255, .14);
      background:rgba(255,255,255,.03);
    }
    .article-content th,
    .article-content td{
      padding:12px 14px;
      border-bottom:1px solid rgba(157, 194, 255, .10);
      text-align:left;
      vertical-align:top;
    }
    .article-content th{
      background:rgba(255,255,255,.04);
      color:#f3f7ff;
      font-weight:700;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content img{
      max-width:100%;
      height:auto;
      border-radius:18px;
      border:1px solid rgba(157, 194, 255, .12);
      box-shadow:var(--shadow-soft);
    }
    .article-content figure{
      margin:0 0 20px;
    }
    .article-content figcaption{
      margin-top:10px;
      color:var(--faint);
      font-size:13px;
      text-align:center;
    }
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:96px;
    }
    .side-card{
      padding:18px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(14, 22, 43, .82), rgba(9, 13, 25, .62));
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .side-card .panel-title{margin-bottom:12px}
    .side-list{
      display:grid;
      gap:12px;
    }
    .side-row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(157, 194, 255, .10);
    }
    .side-row:last-child{border-bottom:0;padding-bottom:0}
    .side-k{
      color:var(--faint);
      font-size:13px;
      min-width:78px;
      flex:0 0 auto;
    }
    .side-v{
      color:#eef5ff;
      text-align:right;
      font-size:14px;
      line-height:1.55;
      min-width:0;
      word-break:break-word;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:34px;
      padding:0 12px;
      border-radius:var(--pill);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(157, 194, 255, .12);
      color:#dfe9ff;
      font-size:13px;
      white-space:nowrap;
    }
    .tag-chip:hover{
      transform:translateY(-2px);
      border-color:rgba(103,243,255,.22);
      background:rgba(103,243,255,.06);
    }
    .meter{
      margin-top:12px;
      height:10px;
      border-radius:var(--pill);
      background:rgba(255,255,255,.05);
      border:1px solid rgba(157, 194, 255, .10);
      overflow:hidden;
    }
    .meter > span{
      display:block;
      height:100%;
      width:72%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(103,243,255,.85), rgba(127,124,255,.82));
      box-shadow:0 0 20px rgba(103,243,255,.24);
    }
    .meter-note{
      margin-top:10px;
      color:var(--faint);
      font-size:12px;
      line-height:1.6;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }
    .related-card{
      padding:18px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(14, 22, 43, .82), rgba(9, 13, 25, .62));
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      min-height:170px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .related-card:hover{
      transform:translateY(-3px);
      border-color:rgba(103,243,255,.22);
    }
    .related-icon{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#06101a;
      background:linear-gradient(135deg, rgba(103,243,255,.96), rgba(127,124,255,.95));
      box-shadow:0 14px 28px rgba(103,243,255,.18);
    }
    .related-title{
      margin:0;
      color:#f6f8ff;
      font-size:18px;
      line-height:1.25;
    }
    .related-text{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
      flex:1 1 auto;
    }
    .related-card .btn{
      align-self:flex-start;
    }
    .faq-grid{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(157, 194, 255, .14);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .faq-item[open]{
      background:rgba(255,255,255,.05);
      border-color:rgba(103,243,255,.18);
      box-shadow:0 12px 26px rgba(0,0,0,.16);
    }
    .faq-item summary{
      list-style:none;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      cursor:pointer;
      color:#f2f6ff;
      font-weight:700;
      line-height:1.45;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .faq-ico{
      width:28px;height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#c8fbff;
      background:rgba(103,243,255,.08);
      border:1px solid rgba(103,243,255,.12);
      transition:transform .24s ease;
    }
    .faq-item[open] summary .faq-ico{
      transform:rotate(45deg);
    }
    .faq-answer{
      padding:0 18px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .cta-panel{
      padding:22px;
      border-radius:calc(var(--radius) + 2px);
      background:
        radial-gradient(circle at top right, rgba(103,243,255,.11), transparent 24%),
        radial-gradient(circle at 20% 10%, rgba(127,124,255,.10), transparent 22%),
        linear-gradient(180deg, rgba(16, 28, 53, .84), rgba(8, 13, 26, .64));
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:minmax(0, 1fr) auto;
      gap:18px;
      align-items:center;
    }
    .cta-copy h2{
      margin:0 0 8px;
      font-size:clamp(24px, 2.8vw, 36px);
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .cta-copy p{
      margin:0;
      color:var(--muted);
      font-size:16px;
      line-height:1.85;
      max-width:68ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      align-items:center;
    }
    .empty-state{
      padding:30px 22px;
      text-align:center;
      background:linear-gradient(180deg, rgba(14, 22, 43, .82), rgba(9, 13, 25, .62));
      border:1px solid rgba(157, 194, 255, .14);
      border-radius:calc(var(--radius) + 2px);
      box-shadow:var(--shadow-soft);
    }
    .empty-state h2{
      margin:0 0 8px;
      color:#f7f9ff;
      font-size:clamp(24px, 2.6vw, 34px);
    }
    .empty-state p{
      margin:0 auto 18px;
      color:var(--muted);
      max-width:52ch;
      font-size:16px;
      line-height:1.85;
    }
    .footer{
      margin-top:10px;
      padding:12px 0 34px;
    }
    .footer-shell{
      padding:22px;
      border-radius:calc(var(--radius) + 2px);
      background:linear-gradient(180deg, rgba(13, 22, 42, .84), rgba(8, 12, 22, .84));
      border:1px solid rgba(157, 194, 255, .14);
      box-shadow:var(--shadow-soft);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr 1fr;
      gap:22px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .footer-title{
      color:#f5f8ff;
      font-weight:800;
      font-size:16px;
      line-height:1.3;
      margin-bottom:10px;
    }
    .footer-text,
    .footer-note{
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 12px;
      border-radius:var(--pill);
      border:1px solid rgba(157, 194, 255, .12);
      background:rgba(255,255,255,.03);
      color:#dfe8fb;
      font-size:13px;
    }
    .footer-links a:hover{
      background:rgba(103,243,255,.06);
      border-color:rgba(103,243,255,.18);
      color:#fff;
      transform:translateY(-2px);
    }
    .footer-bottom{
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(157, 194, 255, .12);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      color:var(--faint);
      font-size:13px;
    }
    .footer-bottom a{color:var(--muted)}
    .footer-bottom a:hover{color:#fff}
    .muted{color:var(--muted)}
    .faint{color:var(--faint)}
    .spacer-8{height:8px}
    .spacer-12{height:12px}
    .spacer-16{height:16px}
    .spacer-20{height:20px}
    .spacer-24{height:24px}
    .spacer-28{height:28px}

    @media (max-width: 1280px){
      .container-max{width:min(1120px, calc(100% - 24px))}
      .hero-stage,
      .article-layout{gap:18px}
    }
    @media (max-width: 1024px){
      .hero-stage,
      .article-layout,
      .cta-panel{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
      }
      .related-grid{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .footer-grid > :first-child{
        grid-column:1 / -1;
      }
      .site-dock .dock-row{
        flex-wrap:wrap;
      }
      .dock-cta{
        margin-left:0;
      }
    }
    @media (max-width: 768px){
      .site-dock{
        top:8px;
        padding-bottom:8px;
      }
      .site-dock .dock-row{
        padding:10px;
        gap:10px;
      }
      .brand-text .brand-sub{
        display:none;
      }
      .nav-links{
        width:100%;
        overflow:auto;
        scrollbar-width:none;
      }
      .nav-links::-webkit-scrollbar{display:none}
      .nav-pill{
        flex:0 0 auto;
      }
      .hero-stage,
      .article-shell,
      .side-card,
      .related-card,
      .cta-panel,
      .footer-shell{
        border-radius:18px;
      }
      .hero-title{
        font-size:clamp(28px, 7vw, 40px);
      }
      .article-title{
        font-size:clamp(24px, 6vw, 34px);
      }
      .article-content{
        font-size:16px;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        flex-direction:column;
      }
    }
    @media (max-width: 520px){
      .container-max{width:min(100% - 18px, 100%)}
      .site-dock .dock-row{
        padding:9px;
        border-radius:18px;
      }
      .brand-dot{width:34px;height:34px;border-radius:12px}
      .brand-name{font-size:15px}
      .nav-pill,
      .btn{
        min-height:42px;
        padding:0 14px;
        font-size:14px;
      }
      .hero-stage,
      .article-shell,
      .side-card,
      .related-card,
      .cta-panel,
      .footer-shell{
        padding:16px;
      }
      .meta-chip,
      .badge,
      .tag-chip{
        font-size:12px;
      }
      .section{
        padding:18px 0;
      }
      .article-content table{
        display:block;
        overflow-x:auto;
      }
      .faq-item summary{
        padding:14px 14px;
      }
      .faq-answer{
        padding:0 14px 14px;
      }
    }