/* roulang page: index */
:root{
  --bg: #f5f2ef;
  --bg-soft: #fbfaf8;
  --surface: #ffffff;
  --surface-2: #f1eeea;
  --surface-dark: #13111a;
  --surface-dark-2: #1a1723;
  --text: #17151f;
  --text-soft: #5d5968;
  --text-muted: #7f7a8b;
  --line: rgba(23,21,31,.10);
  --line-strong: rgba(23,21,31,.16);
  --line-dark: rgba(255,255,255,.14);
  --accent: #ff4d7d;
  --accent-2: #ff8a3d;
  --accent-3: #8b5cf6;
  --accent-4: #ffd166;
  --success: #16a34a;
  --shadow: 0 18px 45px rgba(20, 20, 30, .08);
  --shadow-2: 0 24px 60px rgba(20, 20, 30, .12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1220px;
  --gap: 24px;
  --gap-lg: 32px;
  --header-h: 84px;
  --gradient: linear-gradient(135deg, #ff4d7d 0%, #ff8a3d 45%, #8b5cf6 100%);
  --gradient-2: linear-gradient(135deg, #1f172b 0%, #34234a 52%, #231c32 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(255,77,125,.12), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(139,92,246,.10), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--bg) 30%, #f7f4f1 100%);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
::selection{background:rgba(255,77,125,.20)}
.container{
  width:min(calc(100% - 32px), var(--container));
  margin:0 auto;
}
.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 14px;
  background:#fff;
  border-radius:999px;
  z-index:9999;
  box-shadow:var(--shadow);
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:saturate(130%) blur(16px);
  background:rgba(245,242,239,.72);
  border-bottom:1px solid rgba(23,21,31,.06);
}
.header-inner{
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-group{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 16px;
  border-radius:999px;
  color:var(--text-soft);
  transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
}
.nav-link:hover,
.nav-link:focus-visible{
  outline:none;
  color:var(--text);
  background:rgba(255,255,255,.82);
  box-shadow:0 8px 20px rgba(20,20,30,.06);
  transform:translateY(-1px);
}
.nav-link.active{
  color:#fff;
  background:var(--gradient);
  box-shadow:0 14px 30px rgba(255,77,125,.22);
}
.brand{
  display:inline-flex;
  align-items:center;
  justify-self:center;
  gap:12px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(23,21,31,.08);
  box-shadow:0 8px 20px rgba(20,20,30,.05);
  transition:transform .18s ease, box-shadow .18s ease;
}
.brand:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(20,20,30,.10)}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:var(--gradient);
  box-shadow:0 10px 20px rgba(255,77,125,.22);
  flex:0 0 auto;
}
.brand-title{
  font-size:1.02rem;
  font-weight:800;
  letter-spacing:.02em;
}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid rgba(23,21,31,.10);
  border-radius:14px;
  background:rgba(255,255,255,.88);
  color:var(--text);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.menu-toggle:hover,
.menu-toggle:focus-visible{
  outline:none;
  transform:translateY(-1px);
  border-color:rgba(255,77,125,.24);
  box-shadow:0 10px 24px rgba(20,20,30,.08);
}
.menu-lines{
  width:18px;
  height:12px;
  position:relative;
}
.menu-lines span{
  position:absolute;
  left:0;
  right:0;
  height:2px;
  border-radius:999px;
  background:currentColor;
  transition:transform .2s ease, opacity .2s ease, top .2s ease;
}
.menu-lines span:nth-child(1){top:0}
.menu-lines span:nth-child(2){top:5px}
.menu-lines span:nth-child(3){top:10px}
.site-header.open .menu-lines span:nth-child(1){top:5px;transform:rotate(45deg)}
.site-header.open .menu-lines span:nth-child(2){opacity:0}
.site-header.open .menu-lines span:nth-child(3){top:5px;transform:rotate(-45deg)}
.mobile-panel{
  display:none;
  border-top:1px solid rgba(23,21,31,.08);
  background:rgba(250,248,246,.95);
}
.mobile-panel-inner{
  padding:14px 0 18px;
  display:grid;
  gap:10px;
}
.mobile-panel .nav-link{
  justify-content:flex-start;
  width:100%;
  background:transparent;
}
.hero{
  padding:28px 0 10px;
}
.hero-shell{
  position:relative;
  overflow:hidden;
  border-radius:36px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.14), transparent 25%),
    radial-gradient(circle at 85% 16%, rgba(255,138,61,.28), transparent 28%),
    linear-gradient(135deg, #12101a 0%, #171421 42%, #221b31 100%);
  color:#fff;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.10);
}
.hero-shell::before{
  content:"";
  position:absolute;
  inset:auto -10% -24% auto;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,77,125,.26), rgba(255,77,125,0) 68%);
  filter:blur(6px);
  pointer-events:none;
}
.hero-shell::after{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:34px;
  padding:38px;
  align-items:center;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.12);
  font-size:.94rem;
  letter-spacing:.02em;
}
.kicker-dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:linear-gradient(135deg, #ffd166 0%, #ff8a3d 100%);
  box-shadow:0 0 0 6px rgba(255,209,102,.15);
}
.hero h1{
  margin:18px 0 14px;
  font-size:clamp(2.25rem, 4vw, 3.65rem);
  line-height:1.16;
  letter-spacing:-.03em;
}
.hero-lead{
  margin:0;
  max-width:34em;
  color:rgba(255,255,255,.84);
  font-size:1.08rem;
  line-height:1.85;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:700;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
  will-change:transform;
}
.btn:hover,
.btn:focus-visible{
  outline:none;
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0)}
.btn-primary{
  color:#fff;
  background:var(--gradient);
  box-shadow:0 16px 30px rgba(255,77,125,.24);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  box-shadow:0 18px 38px rgba(255,77,125,.30);
}
.btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.16);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.24);
}
.btn-light{
  color:var(--text);
  background:#fff;
  border-color:rgba(23,21,31,.08);
  box-shadow:0 12px 24px rgba(20,20,30,.08);
}
.btn-light:hover,
.btn-light:focus-visible{
  border-color:rgba(255,77,125,.18);
}
.hero-points{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
  margin-top:26px;
}
.hero-point{
  border-radius:20px;
  padding:14px 16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(10px);
}
.hero-point strong{
  display:block;
  font-size:1.02rem;
  margin-bottom:4px;
}
.hero-point span{
  display:block;
  color:rgba(255,255,255,.76);
  font-size:.94rem;
  line-height:1.65;
}
.hero-visual{
  position:relative;
  min-height:520px;
  border-radius:28px;
  overflow:hidden;
  padding:18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04)),
    radial-gradient(circle at 18% 18%, rgba(255,209,102,.18), transparent 20%),
    radial-gradient(circle at 84% 22%, rgba(139,92,246,.22), transparent 24%);
  border:1px solid rgba(255,255,255,.10);
}
.hero-visual .visual-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.visual-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.88);
  font-size:.92rem;
}
.visual-rhythm{
  display:flex;
  align-items:center;
  gap:6px;
}
.visual-rhythm span{
  width:9px;
  height:9px;
  border-radius:50%;
  background:rgba(255,255,255,.85);
  box-shadow:0 0 0 5px rgba(255,255,255,.08);
}
.visual-stage{
  height:214px;
  border-radius:24px;
  background:
    linear-gradient(135deg, rgba(255,77,125,.20), rgba(255,138,61,.16), rgba(139,92,246,.18)),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.12);
  padding:18px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:14px;
}
.cover-stack{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:12px;
}
.cover{
  border-radius:18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.04)),
    linear-gradient(135deg, #ff4d7d, #8b5cf6);
  min-height:86px;
  position:relative;
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16);
}
.cover:nth-child(2){background:linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.04)), linear-gradient(135deg, #ff8a3d, #ff4d7d)}
.cover:nth-child(3){background:linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.04)), linear-gradient(135deg, #8b5cf6, #ff8a3d)}
.cover:nth-child(4){background:linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.04)), linear-gradient(135deg, #20283c, #4d5c88)}
.cover::after{
  content:"";
  position:absolute;
  inset:auto 12px 12px 12px;
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.55);
  filter:blur(1px);
}
.stage-panel{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.stage-card{
  flex:1;
  border-radius:20px;
  background:rgba(10,10,16,.28);
  border:1px solid rgba(255,255,255,.10);
  padding:16px;
}
.stage-card h3{
  margin:0 0 10px;
  font-size:1rem;
}
.stage-list{
  display:grid;
  gap:10px;
}
.stage-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:rgba(255,255,255,.86);
  font-size:.95rem;
}
.bar{
  flex:1;
  height:9px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  overflow:hidden;
}
.bar > span{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, #ffd166, #ff8a3d, #ff4d7d);
}
.bar.bar-1 > span{width:72%}
.bar.bar-2 > span{width:88%}
.bar.bar-3 > span{width:64%}
.hero-metrics{
  margin-top:14px;
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:12px;
}
.metric{
  padding:14px 14px 13px;
  border-radius:18px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
}
.metric strong{
  display:block;
  font-size:1.02rem;
  margin-bottom:4px;
}
.metric span{
  color:rgba(255,255,255,.75);
  font-size:.92rem;
}
.section{
  padding:88px 0 0;
}
.section-tight{padding-top:72px}
.section-heading{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-heading h2{
  margin:0;
  font-size:clamp(1.8rem, 3vw, 2.5rem);
  line-height:1.18;
  letter-spacing:-.02em;
}
.section-heading p{
  margin:0;
  max-width:46em;
  color:var(--text-soft);
  font-size:1rem;
  line-height:1.75;
}
.section-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,77,125,.10);
  color:#9f1d48;
  font-weight:700;
  font-size:.9rem;
  margin-bottom:14px;
}
.section-badge::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, #ff4d7d, #ff8a3d);
  box-shadow:0 0 0 6px rgba(255,77,125,.12);
}
.pain-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:var(--gap-lg);
}
.problem-cards{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:18px;
}
.problem-card{
  position:relative;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:22px;
  min-height:170px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.problem-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(255,77,125,.22);
}
.problem-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:12px;
  color:#fff;
  background:var(--gradient);
  font-weight:800;
  margin-bottom:16px;
}
.problem-card h3{
  margin:0 0 8px;
  font-size:1.2rem;
  line-height:1.3;
}
.problem-card p{
  margin:0;
  color:var(--text-soft);
  line-height:1.8;
}
.problem-card:nth-child(2){
  transform:translateY(14px);
}
.problem-card:nth-child(3){
  margin-left:12px;
}
.problem-card:nth-child(4){
  transform:translateY(18px);
}
.pain-aside{
  background:
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.90)),
    linear-gradient(135deg, rgba(255,77,125,.10), rgba(139,92,246,.08));
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.aside-panel{
  background:linear-gradient(135deg, rgba(255,77,125,.08), rgba(255,138,61,.08));
  border:1px solid rgba(255,77,125,.12);
  border-radius:24px;
  padding:18px;
}
.aside-panel h3{
  margin:0 0 8px;
  font-size:1.12rem;
}
.aside-panel p{
  margin:0;
  color:var(--text-soft);
  line-height:1.8;
}
.aside-flow{
  display:grid;
  gap:12px;
}
.flow-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:18px;
  background:#fff;
  border:1px solid var(--line);
}
.flow-dot{
  width:12px;
  height:12px;
  border-radius:50%;
  margin-top:6px;
  background:linear-gradient(135deg, #ff4d7d, #8b5cf6);
  box-shadow:0 0 0 6px rgba(255,77,125,.08);
  flex:0 0 auto;
}
.flow-item strong{
  display:block;
  margin-bottom:4px;
}
.flow-item span{
  color:var(--text-soft);
  font-size:.96rem;
  line-height:1.75;
}
.solution-grid{
  display:grid;
  grid-template-columns:.82fr 1.18fr;
  gap:var(--gap-lg);
  align-items:stretch;
}
.steps-list{
  display:grid;
  gap:14px;
}
.step-card{
  padding:18px 18px 18px 20px;
  border-radius:24px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:rgba(139,92,246,.22);
  box-shadow:var(--shadow-2);
}
.step-row{
  display:flex;
  align-items:flex-start;
  gap:14px;
}
.step-no{
  width:44px;
  height:44px;
  border-radius:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:linear-gradient(135deg, #8b5cf6, #ff4d7d);
  font-weight:800;
  flex:0 0 auto;
}
.step-card h3{
  margin:0 0 6px;
  font-size:1.16rem;
}
.step-card p{
  margin:0;
  color:var(--text-soft);
  line-height:1.8;
}
.step-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:30px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,77,125,.08);
  color:#a11f4a;
  border:1px solid rgba(255,77,125,.14);
  font-size:.88rem;
  font-weight:700;
}
.solution-panel{
  background:
    radial-gradient(circle at 18% 18%, rgba(255,209,102,.22), transparent 18%),
    radial-gradient(circle at 85% 10%, rgba(139,92,246,.18), transparent 22%),
    linear-gradient(180deg, #17151f, #201a2e);
  color:#fff;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-2);
  padding:24px;
}
.solution-panel h3{
  margin:0 0 10px;
  font-size:1.45rem;
}
.solution-panel p{
  margin:0 0 18px;
  color:rgba(255,255,255,.80);
  line-height:1.85;
}
.rail{
  display:grid;
  gap:12px;
}
.rail-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
}
.rail-icon{
  width:38px;
  height:38px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg, rgba(255,209,102,.22), rgba(255,77,125,.24));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
  flex:0 0 auto;
}
.rail-row strong{
  display:block;
  margin-bottom:3px;
}
.rail-row span{
  color:rgba(255,255,255,.74);
  font-size:.94rem;
  line-height:1.65;
}
.results-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
}
.result-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:22px;
  overflow:hidden;
}
.result-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(255,77,125,.08), rgba(139,92,246,.06));
  opacity:0;
  transition:opacity .18s ease;
}
.result-card:hover::before{opacity:1}
.result-card > *{position:relative; z-index:1}
.result-card strong{
  display:block;
  font-size:1.6rem;
  line-height:1;
  margin-bottom:10px;
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.result-card h3{
  margin:0 0 8px;
  font-size:1.08rem;
}
.result-card p{
  margin:0 0 16px;
  color:var(--text-soft);
  line-height:1.75;
}
.mini-bar{
  height:10px;
  border-radius:999px;
  background:rgba(23,21,31,.08);
  overflow:hidden;
}
.mini-bar span{
  display:block;
  height:100%;
  border-radius:inherit;
  background:var(--gradient);
}
.mini-bar.b1 span{width:78%}
.mini-bar.b2 span{width:86%}
.mini-bar.b3 span{width:72%}
.mini-bar.b4 span{width:90%}
.testimony-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:18px;
}
.quote-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:24px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.quote-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(255,138,61,.22);
}
.quote-icon{
  display:inline-flex;
  width:42px;
  height:42px;
  border-radius:16px;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg, rgba(255,138,61,.14), rgba(255,77,125,.14));
  color:#a11f4a;
  font-size:1.4rem;
  margin-bottom:16px;
}
.quote-card p{
  margin:0 0 18px;
  color:var(--text);
  line-height:1.85;
  font-size:1.03rem;
}
.person{
  display:flex;
  align-items:center;
  gap:12px;
}
.avatar{
  width:44px;
  height:44px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  background:var(--gradient);
  box-shadow:0 12px 24px rgba(255,77,125,.18);
}
.person strong{
  display:block;
  line-height:1.25;
}
.person span{
  display:block;
  color:var(--text-muted);
  font-size:.92rem;
}
.updates-wrap{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:var(--gap-lg);
  align-items:start;
}
.updates-list{
  display:grid;
  gap:14px;
}
.update-card{
  display:grid;
  grid-template-columns:110px 1fr auto;
  gap:18px;
  align-items:center;
  padding:16px;
  border-radius:24px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.update-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(139,92,246,.20);
}
.update-cover{
  aspect-ratio:1/1;
  border-radius:18px;
  background:
    linear-gradient(135deg, rgba(255,77,125,.92), rgba(255,138,61,.92)),
    linear-gradient(135deg, #ff4d7d, #ff8a3d);
  position:relative;
  overflow:hidden;
}
.update-cover::before{
  content:"";
  position:absolute;
  inset:12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.30);
}
.update-body h3{
  margin:0 0 8px;
  font-size:1.1rem;
  line-height:1.4;
}
.update-body p{
  margin:0;
  color:var(--text-soft);
  line-height:1.75;
}
.update-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 11px;
  border-radius:999px;
  background:rgba(139,92,246,.10);
  color:#5a36bd;
  border:1px solid rgba(139,92,246,.12);
  font-size:.86rem;
  font-weight:700;
}
.time{
  color:var(--text-muted);
  font-size:.88rem;
}
.update-arrow{
  width:42px;
  height:42px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(23,21,31,.04);
  color:var(--text);
  transition:transform .18s ease, background .18s ease;
  flex:0 0 auto;
}
.update-card:hover .update-arrow{
  transform:translateX(2px);
  background:rgba(255,77,125,.12);
}
.side-note{
  position:sticky;
  top:102px;
  display:grid;
  gap:18px;
}
.note-card{
  border-radius:28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:22px;
}
.note-card h3{
  margin:0 0 10px;
  font-size:1.16rem;
}
.note-card p{
  margin:0;
  color:var(--text-soft);
  line-height:1.8;
}
.note-list{
  display:grid;
  gap:12px;
  margin-top:16px;
}
.note-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:18px;
  background:var(--surface-2);
  border:1px solid rgba(23,21,31,.06);
}
.note-ico{
  width:30px;
  height:30px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  background:var(--gradient);
  color:#fff;
  font-size:.92rem;
  box-shadow:0 12px 20px rgba(255,77,125,.14);
}
.note-item strong{
  display:block;
  margin-bottom:3px;
}
.note-item span{
  display:block;
  color:var(--text-soft);
  font-size:.94rem;
  line-height:1.7;
}
.empty-state{
  padding:28px;
  border-radius:24px;
  background:rgba(255,255,255,.88);
  border:1px dashed rgba(23,21,31,.18);
  color:var(--text-soft);
  text-align:center;
  box-shadow:var(--shadow);
}
.empty-state strong{
  display:block;
  color:var(--text);
  margin-bottom:8px;
  font-size:1.08rem;
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  cursor:pointer;
  font-weight:700;
  line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  width:34px;
  height:34px;
  border-radius:12px;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,77,125,.08);
  color:#a11f4a;
  font-size:1.2rem;
  transition:transform .18s ease, background .18s ease;
}
.faq-item[open] summary{
  background:linear-gradient(135deg, rgba(255,77,125,.08), rgba(255,138,61,.06));
}
.faq-item[open] summary .plus{
  transform:rotate(45deg);
  background:rgba(139,92,246,.12);
  color:#5836b6;
}
.faq-answer{
  padding:0 20px 18px;
  color:var(--text-soft);
  line-height:1.85;
}
.cta{
  padding:88px 0 96px;
}
.cta-shell{
  position:relative;
  overflow:hidden;
  border-radius:36px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255,255,255,.16), transparent 22%),
    radial-gradient(circle at 84% 14%, rgba(255,209,102,.18), transparent 20%),
    linear-gradient(135deg, #15121d, #20192d 48%, #16121d);
  color:#fff;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-2);
  padding:34px;
}
.cta-shell::after{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
}
.cta h2{
  margin:0 0 12px;
  font-size:clamp(2rem, 3vw, 2.8rem);
  line-height:1.15;
}
.cta p{
  margin:0;
  max-width:38em;
  color:rgba(255,255,255,.82);
  line-height:1.85;
  font-size:1.03rem;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}
.footer{
  background:#121019;
  color:rgba(255,255,255,.84);
  padding:36px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr .8fr;
  gap:24px;
  align-items:start;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-weight:800;
  font-size:1.05rem;
  margin-bottom:14px;
}
.footer p{
  margin:0;
  color:rgba(255,255,255,.72);
  line-height:1.9;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.80);
  width:fit-content;
  transition:transform .18s ease, color .18s ease;
}
.footer-links a:hover,
.footer-links a:focus-visible{
  outline:none;
  color:#fff;
  transform:translateX(2px);
}
.footer-bottom{
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  color:rgba(255,255,255,.60);
  font-size:.92rem;
}
.article-link{
  color:#fff;
}
.article-link:hover{text-decoration:none}
.focusable:focus-visible{
  outline:3px solid rgba(255,77,125,.35);
  outline-offset:3px;
}
@media (max-width: 1080px){
  .hero-grid,
  .pain-grid,
  .solution-grid,
  .updates-wrap,
  .cta-inner,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .side-note{position:static}
  .results-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .testimony-grid{grid-template-columns:1fr}
  .header-inner{
    grid-template-columns:auto 1fr auto;
  }
  .nav-group.left,
  .nav-group.right{display:none}
  .menu-toggle{display:inline-flex; justify-self:end}
  .brand{justify-self:start}
  .mobile-panel{display:block; max-height:0; overflow:hidden; transition:max-height .25s ease}
  .site-header.open .mobile-panel{max-height:320px}
}
@media (max-width: 768px){
  :root{--header-h:68px}
  .hero{padding-top:18px}
  .hero-shell{border-radius:28px}
  .hero-grid{padding:22px; gap:22px}
  .hero h1{font-size:clamp(1.9rem, 7vw, 2.6rem)}
  .hero-lead{font-size:1rem}
  .hero-points,
  .hero-metrics,
  .results-grid{grid-template-columns:1fr}
  .problem-cards{grid-template-columns:1fr}
  .problem-card:nth-child(2),
  .problem-card:nth-child(3),
  .problem-card:nth-child(4){transform:none; margin-left:0}
  .hero-visual{min-height:auto}
  .visual-stage{grid-template-columns:1fr; height:auto}
  .stage-panel{display:grid; grid-template-columns:1fr; }
  .section{padding-top:64px}
  .section-heading{flex-direction:column; align-items:flex-start}
  .update-card{
    grid-template-columns:78px 1fr;
  }
  .update-arrow{display:none}
  .cta{padding-bottom:72px}
  .cta-shell{padding:24px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width: 520px){
  .container{width:min(calc(100% - 24px), var(--container))}
  .brand{padding:8px 14px}
  .brand-title{font-size:.98rem}
  .hero-shell::after,
  .cta-shell::after{inset:12px}
  .hero-grid,
  .cta-shell,
  .note-card,
  .pain-aside,
  .solution-panel{padding:18px}
  .btn{width:100%}
  .hero-actions,.cta-actions{width:100%}
  .hero-actions .btn,
  .cta-actions .btn{flex:1 1 100%}
  .problem-card,.quote-card,.result-card,.step-card,.faq-item{border-radius:20px}
}

/* roulang page: article */
:root{
  --bg: #f5f2ef;
  --bg-soft: #fbfaf8;
  --surface: #ffffff;
  --surface-2: #f1eeea;
  --surface-dark: #13111a;
  --surface-dark-2: #1a1723;
  --text: #17151f;
  --text-soft: #5d5968;
  --text-muted: #7f7a8b;
  --line: rgba(23,21,31,.10);
  --line-strong: rgba(23,21,31,.16);
  --line-dark: rgba(255,255,255,.14);
  --accent: #ff4d7d;
  --accent-2: #ff8a3d;
  --accent-3: #8b5cf6;
  --accent-4: #ffd166;
  --success: #16a34a;
  --shadow: 0 18px 45px rgba(20, 20, 30, .08);
  --shadow-2: 0 24px 60px rgba(20, 20, 30, .12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1220px;
  --gap: 24px;
  --gap-lg: 32px;
  --header-h: 68px;
  --gradient: linear-gradient(135deg, #ff4d7d 0%, #ff8a3d 45%, #8b5cf6 100%);
  --gradient-2: linear-gradient(135deg, #1f172b 0%, #34234a 52%, #231c32 100%);
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(255,77,125,.12), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(139,92,246,.10), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--bg) 30%, #f7f4f1 100%);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
::selection{background:rgba(255,77,125,.22);color:var(--text)}
.container{
  width:min(calc(100% - 32px), var(--container));
  margin:0 auto;
}
.focusable:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:3px solid rgba(255,77,125,.32);
  outline-offset:3px;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:saturate(130%) blur(16px);
  background:rgba(245,242,239,.78);
  border-bottom:1px solid rgba(23,21,31,.06);
}
.header-inner{
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-group{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 16px;
  border-radius:999px;
  color:var(--text-soft);
  transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease, opacity .18s ease;
}
.nav-link:hover,
.nav-link:focus-visible{
  outline:none;
  color:var(--text);
  background:rgba(255,255,255,.82);
  box-shadow:0 8px 20px rgba(20,20,30,.06);
  transform:translateY(-1px);
}
.nav-link.active{
  color:#fff;
  background:var(--gradient);
  box-shadow:0 14px 30px rgba(255,77,125,.22);
}
.brand{
  display:inline-flex;
  align-items:center;
  justify-self:center;
  gap:12px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(23,21,31,.08);
  box-shadow:0 8px 20px rgba(20,20,30,.05);
  transition:transform .18s ease, box-shadow .18s ease;
}
.brand:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(20,20,30,.10)}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:var(--gradient);
  box-shadow:0 10px 20px rgba(255,77,125,.22);
  flex:0 0 auto;
}
.brand-title{
  font-size:1.02rem;
  font-weight:800;
  letter-spacing:.02em;
}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border:1px solid rgba(23,21,31,.10);
  border-radius:14px;
  background:rgba(255,255,255,.88);
  color:var(--text);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.menu-toggle:hover,
.menu-toggle:focus-visible{
  outline:none;
  transform:translateY(-1px);
  border-color:rgba(255,77,125,.24);
  box-shadow:0 10px 24px rgba(20,20,30,.08);
}
.menu-lines{
  width:18px;
  height:12px;
  position:relative;
}
.menu-lines span{
  position:absolute;
  left:0;
  right:0;
  height:2px;
  border-radius:999px;
  background:currentColor;
  transition:transform .2s ease, opacity .2s ease, top .2s ease;
}
.menu-lines span:nth-child(1){top:0}
.menu-lines span:nth-child(2){top:5px}
.menu-lines span:nth-child(3){top:10px}
.site-header.open .menu-lines span:nth-child(1){top:5px;transform:rotate(45deg)}
.site-header.open .menu-lines span:nth-child(2){opacity:0}
.site-header.open .menu-lines span:nth-child(3){top:5px;transform:rotate(-45deg)}
.mobile-panel{
  display:none;
  border-top:1px solid rgba(23,21,31,.08);
  background:rgba(250,248,246,.98);
}
.mobile-panel[hidden]{display:none}
.mobile-panel-inner{
  padding:14px 0 18px;
  display:grid;
  gap:10px;
}
.mobile-panel .nav-link{
  justify-content:flex-start;
  width:100%;
  background:transparent;
}
.hero{
  padding:28px 0 12px;
}
.article-hero-shell{
  position:relative;
  overflow:hidden;
  border-radius:36px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.14), transparent 25%),
    radial-gradient(circle at 85% 16%, rgba(255,138,61,.28), transparent 28%),
    linear-gradient(135deg, #12101a 0%, #171421 42%, #221b31 100%);
  color:#fff;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.10);
}
.article-hero-shell::before{
  content:"";
  position:absolute;
  inset:auto -10% -24% auto;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,77,125,.26), rgba(255,77,125,0) 68%);
  filter:blur(6px);
  pointer-events:none;
}
.article-hero-shell::after{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.article-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:34px;
  padding:38px;
  align-items:center;
}
.breadcrumb-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,.72);
  font-size:.95rem;
  flex-wrap:wrap;
}
.breadcrumb a{
  color:rgba(255,255,255,.84);
  transition:color .18s ease, opacity .18s ease;
}
.breadcrumb a:hover,
.breadcrumb a:focus-visible{
  outline:none;
  color:#fff;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:34px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.86);
  font-size:.92rem;
}
.eyebrow{
  margin:0 0 10px;
  color:rgba(255,255,255,.68);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:.85rem;
}
.article-hero h1{
  margin:12px 0 14px;
  font-size:clamp(2rem, 4vw, 3.55rem);
  line-height:1.16;
  letter-spacing:-.03em;
}
.article-summary{
  margin:0;
  max-width:40em;
  color:rgba(255,255,255,.84);
  font-size:1.05rem;
  line-height:1.9;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.meta-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:38px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.88);
  font-size:.92rem;
}
.article-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:700;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease, opacity .18s ease;
  user-select:none;
}
.btn:hover,
.btn:focus-visible{
  outline:none;
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0)}
.btn-primary{
  color:#fff;
  background:var(--gradient);
  box-shadow:0 14px 28px rgba(255,77,125,.22);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  box-shadow:0 18px 36px rgba(255,77,125,.28);
}
.btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.20);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.30);
}
.btn-light{
  color:var(--text);
  background:#fff;
  border-color:rgba(23,21,31,.10);
  box-shadow:0 10px 24px rgba(20,20,30,.06);
}
.btn-light:hover,
.btn-light:focus-visible{
  box-shadow:0 16px 28px rgba(20,20,30,.10);
}
.article-visual{
  position:relative;
  display:grid;
  gap:16px;
  justify-items:stretch;
}
.cover-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/5;
  border-radius:30px;
  padding:24px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255,255,255,.18), transparent 22%),
    radial-gradient(circle at 82% 18%, rgba(255,138,61,.32), transparent 20%),
    linear-gradient(160deg, rgba(39,29,61,.96), rgba(18,16,26,.98));
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 18px 44px rgba(0,0,0,.22);
}
.cover-frame::before{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.10);
}
.cover-frame::after{
  content:"";
  position:absolute;
  inset:auto 0 0;
  height:34%;
  background:linear-gradient(180deg, transparent 0%, rgba(0,0,0,.22) 45%, rgba(0,0,0,.40) 100%);
}
.cover-stack{
  position:relative;
  z-index:1;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.cover-top{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
}
.cover-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:34px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.12);
  color:#fff;
  font-size:.9rem;
}
.cover-chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:34px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.12);
  font-size:.88rem;
}
.cover-title{
  margin:0;
  font-size:1.65rem;
  line-height:1.22;
  letter-spacing:-.02em;
  max-width:9ch;
}
.cover-copy{
  margin-top:10px;
  color:rgba(255,255,255,.78);
  font-size:.98rem;
  line-height:1.75;
  max-width:16em;
}
.progress-bar{
  margin-top:auto;
  width:100%;
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  overflow:hidden;
}
.progress-bar span{
  display:block;
  height:100%;
  width:72%;
  border-radius:inherit;
  background:linear-gradient(90deg, #ff4d7d, #ff8a3d, #8b5cf6);
}
.visual-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.stat-card{
  border-radius:22px;
  padding:16px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 12px 26px rgba(20,20,30,.08);
}
.stat-label{
  margin:0 0 8px;
  color:var(--text-muted);
  font-size:.9rem;
}
.stat-value{
  margin:0;
  font-size:1.05rem;
  line-height:1.4;
  color:var(--text);
  font-weight:800;
}
main{display:block}
.section{
  padding:72px 0;
}
.section-tight{
  padding:28px 0 18px;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
}
.section-head h2{
  margin:0;
  font-size:clamp(1.7rem, 3vw, 2.45rem);
  line-height:1.2;
  letter-spacing:-.03em;
}
.section-head p{
  margin:0;
  color:var(--text-soft);
  max-width:40em;
  line-height:1.8;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:26px;
  align-items:start;
}
.article-card{
  background:var(--surface);
  border:1px solid rgba(23,21,31,.08);
  border-radius:32px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.article-card-inner{
  padding:32px;
}
.content-body{
  padding:32px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.content-body > :first-child{margin-top:0}
.content-body > :last-child{margin-bottom:0}
.content-body h2,
.content-body h3{
  margin:2.2em 0 .9em;
  line-height:1.28;
  letter-spacing:-.02em;
}
.content-body h2{font-size:1.8rem}
.content-body h3{font-size:1.32rem}
.content-body p{
  margin:1em 0;
  color:var(--text);
}
.content-body ul,
.content-body ol{
  margin:1em 0;
  padding-left:1.35em;
}
.content-body li+li{margin-top:.5em}
.content-body a{
  color:var(--accent);
  text-decoration:none;
  border-bottom:1px solid rgba(255,77,125,.22);
  transition:color .18s ease, border-color .18s ease, opacity .18s ease;
}
.content-body a:hover,
.content-body a:focus-visible{
  outline:none;
  color:#d92d67;
  border-color:rgba(217,45,103,.45);
}
.content-body blockquote{
  margin:1.4em 0;
  padding:18px 20px;
  border-radius:22px;
  background:linear-gradient(135deg, rgba(255,77,125,.08), rgba(139,92,246,.07));
  border:1px solid rgba(255,77,125,.12);
  color:var(--text-soft);
}
.content-body blockquote p{margin:.4em 0}
.content-body hr{
  border:0;
  height:1px;
  margin:1.8em 0;
  background:linear-gradient(90deg, transparent, rgba(23,21,31,.16), transparent);
}
.content-body img{
  max-width:100%;
  height:auto;
  border-radius:22px;
  margin:1.4em 0;
  box-shadow:0 16px 34px rgba(20,20,30,.08);
}
.content-body figure{
  margin:1.4em 0;
}
.content-body figcaption{
  margin-top:.6rem;
  font-size:.92rem;
  color:var(--text-muted);
}
.content-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:1.4em 0;
  overflow:hidden;
  border:1px solid rgba(23,21,31,.10);
  border-radius:18px;
  background:#fff;
}
.content-body th,
.content-body td{
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid rgba(23,21,31,.08);
}
.content-body th{
  background:var(--surface-2);
  font-weight:700;
}
.content-body tr:last-child td{border-bottom:0}
.content-body pre{
  overflow:auto;
  margin:1.4em 0;
  padding:18px 20px;
  border-radius:20px;
  background:#13111a;
  color:#f4eef7;
  border:1px solid rgba(255,255,255,.08);
}
.content-body code{
  padding:.12em .42em;
  border-radius:8px;
  background:rgba(139,92,246,.10);
  color:#6d28d9;
  font-size:.94em;
}
.content-body pre code{
  padding:0;
  background:none;
  color:inherit;
}
.article-end-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
  padding-top:24px;
  border-top:1px solid rgba(23,21,31,.08);
}
.article-aside{
  position:sticky;
  top:calc(var(--header-h) + 18px);
  display:grid;
  gap:18px;
}
.aside-card{
  background:rgba(255,255,255,.92);
  border:1px solid rgba(23,21,31,.08);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:22px;
}
.aside-card h3{
  margin:0 0 14px;
  font-size:1.12rem;
  line-height:1.35;
}
.aside-card p{
  margin:0;
  color:var(--text-soft);
  line-height:1.85;
}
.info-list{
  display:grid;
  gap:12px;
  margin:0;
}
.info-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed rgba(23,21,31,.10);
}
.info-row:last-child{border-bottom:0;padding-bottom:0}
.info-key{
  color:var(--text-muted);
  font-size:.92rem;
  flex:0 0 auto;
}
.info-val{
  color:var(--text);
  font-weight:700;
  text-align:right;
}
.quick-links{
  display:grid;
  gap:12px;
}
.quick-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:54px;
  padding:14px 16px;
  border-radius:18px;
  background:var(--surface-2);
  border:1px solid rgba(23,21,31,.08);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.quick-item:hover,
.quick-item:focus-visible{
  outline:none;
  transform:translateY(-2px);
  border-color:rgba(255,77,125,.18);
  box-shadow:0 12px 24px rgba(20,20,30,.08);
  background:#fff;
}
.quick-item strong{
  display:block;
  font-size:1rem;
  line-height:1.4;
}
.quick-item span{
  color:var(--text-muted);
  font-size:.92rem;
}
.faq-section{
  padding:20px 0 78px;
}
.faq-list{
  display:grid;
  gap:14px;
}
.faq-item{
  background:var(--surface);
  border:1px solid rgba(23,21,31,.08);
  border-radius:22px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.faq-item[open]{
  border-color:rgba(255,77,125,.16);
  box-shadow:0 18px 42px rgba(20,20,30,.10);
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:58px;
  padding:18px 20px;
  font-weight:700;
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  width:30px;
  height:30px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,77,125,.10);
  color:var(--accent);
  font-size:1.1rem;
  flex:0 0 auto;
  transition:transform .18s ease, background .18s ease;
}
.faq-item[open] summary::after{
  content:"−";
  background:rgba(139,92,246,.10);
  color:var(--accent-3);
}
.faq-item .faq-body{
  padding:0 20px 18px;
  color:var(--text-soft);
  line-height:1.85;
}
.cta-section{
  padding:0 0 84px;
}
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:34px;
  padding:34px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.12), transparent 26%),
    radial-gradient(circle at 84% 18%, rgba(255,138,61,.22), transparent 25%),
    linear-gradient(135deg, #15121e 0%, #241a33 48%, #18131f 100%);
  color:#fff;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.08);
}
.cta-banner::after{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
}
.cta-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr auto;
  gap:22px;
  align-items:center;
}
.cta-banner h2{
  margin:0 0 10px;
  font-size:clamp(1.8rem, 3.4vw, 2.6rem);
  line-height:1.18;
}
.cta-banner p{
  margin:0;
  max-width:42em;
  color:rgba(255,255,255,.82);
  line-height:1.85;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}
.related-section{
  padding:0 0 84px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.related-card{
  position:relative;
  overflow:hidden;
  display:block;
  min-height:160px;
  padding:24px;
  border-radius:28px;
  background:var(--surface);
  border:1px solid rgba(23,21,31,.08);
  box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.related-card:hover,
.related-card:focus-visible{
  outline:none;
  transform:translateY(-3px);
  box-shadow:0 22px 44px rgba(20,20,30,.12);
  border-color:rgba(255,77,125,.16);
}
.related-card .pill{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,77,125,.10);
  color:var(--accent);
  font-size:.86rem;
  font-weight:700;
}
.related-card h3{
  margin:14px 0 8px;
  font-size:1.2rem;
  line-height:1.35;
}
.related-card p{
  margin:0;
  color:var(--text-soft);
  line-height:1.8;
  max-width:30em;
}
.related-arrow{
  position:absolute;
  right:20px;
  top:20px;
  width:40px;
  height:40px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:var(--gradient);
  box-shadow:0 12px 22px rgba(255,77,125,.20);
}
.empty-section{
  padding:24px 0 84px;
}
.empty-card{
  max-width:760px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid rgba(23,21,31,.08);
  border-radius:34px;
  box-shadow:var(--shadow);
  padding:38px 28px;
  text-align:center;
}
.empty-icon{
  width:72px;
  height:72px;
  margin:0 auto 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:24px;
  background:linear-gradient(135deg, rgba(255,77,125,.12), rgba(139,92,246,.12));
  color:var(--accent);
  font-size:1.6rem;
  font-weight:900;
}
.empty-card h2{
  margin:0 0 10px;
  font-size:clamp(1.5rem, 3vw, 2rem);
  line-height:1.25;
}
.empty-card p{
  margin:0 auto 24px;
  color:var(--text-soft);
  max-width:36em;
  line-height:1.85;
}
.footer{
  background:linear-gradient(180deg, #120f17 0%, #14111b 100%);
  color:rgba(255,255,255,.78);
  padding:58px 0 24px;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr 1fr;
  gap:28px;
  align-items:start;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:10px 0 14px;
  color:#fff;
  font-weight:800;
  font-size:1.05rem;
}
.footer-brand .brand-mark{
  width:32px;
  height:32px;
  box-shadow:none;
}
.footer p{
  margin:0;
  line-height:1.9;
  color:rgba(255,255,255,.72);
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  border-radius:999px;
  color:rgba(255,255,255,.78);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.footer-links a:hover,
.footer-links a:focus-visible{
  outline:none;
  transform:translateY(-1px);
  color:#fff;
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.16);
}
.footer-bottom{
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:.94rem;
  color:rgba(255,255,255,.58);
}
@media (max-width: 1024px){
  .article-hero-grid,
  .article-layout,
  .cta-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .article-aside{
    position:static;
  }
  .visual-stats{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .related-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width: 768px){
  .header-inner{
    grid-template-columns:auto 1fr auto;
    gap:10px;
  }
  .brand{
    justify-self:start;
    padding:9px 14px;
  }
  .nav-group.left{display:none}
  .menu-toggle{display:inline-flex}
  .hero{padding-top:18px}
  .article-hero-grid{
    gap:24px;
    padding:24px;
  }
  .article-hero-shell{
    border-radius:30px;
  }
  .article-hero-shell::after{
    inset:12px;
    border-radius:24px;
  }
  .cover-frame{
    min-height:320px;
    aspect-ratio:auto;
  }
  .content-body,
  .article-card-inner{
    padding:24px;
  }
  .section{
    padding:56px 0;
  }
  .faq-section,
  .cta-section,
  .related-section,
  .empty-section{
    padding-bottom:64px;
  }
  .cta-banner{
    padding:26px;
  }
  .cta-actions{
    justify-content:flex-start;
  }
  .footer{
    padding-top:44px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width: 520px){
  .container{
    width:min(calc(100% - 24px), var(--container));
  }
  .header-inner{
    min-height:62px;
  }
  .brand-title{
    font-size:.98rem;
  }
  .article-hero h1{
    font-size:clamp(1.8rem, 9vw, 2.6rem);
  }
  .article-summary{
    font-size:1rem;
  }
  .article-actions,
  .article-end-links,
  .cta-actions{
    flex-direction:column;
  }
  .btn{
    width:100%;
  }
  .meta-chip,
  .section-tag,
  .cover-badge,
  .cover-chip{
    min-height:34px;
  }
  .visual-stats{
    grid-template-columns:1fr;
  }
  .faq-item summary{
    padding:16px 18px;
    min-height:54px;
  }
  .faq-item .faq-body{
    padding:0 18px 16px;
  }
  .content-body{
    font-size:16px;
    line-height:1.88;
  }
}