/* roulang page: index */
:root{
  --bg: #f7f2f8;
  --bg-2: #fbf8fc;
  --surface: rgba(255,255,255,.84);
  --surface-strong: rgba(255,255,255,.96);
  --surface-dark: #20172b;
  --text: #22172f;
  --muted: #6f5f7e;
  --soft: #8d7d9e;
  --border: rgba(109, 73, 139, .14);
  --border-strong: rgba(109, 73, 139, .22);
  --primary: #8b5cf6;
  --primary-2: #ec4899;
  --accent: #fb7185;
  --accent-2: #f59e0b;
  --success: #10b981;
  --shadow: 0 18px 45px rgba(88, 57, 125, .12);
  --shadow-sm: 0 10px 24px rgba(88, 57, 125, .08);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 26px;
  --radius-xl: 34px;
  --container: 1240px;
  --gap: 24px;
  --gap-lg: 32px;
  --transition: 220ms cubic-bezier(.2,.8,.2,1);
}

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

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  line-height:1.7;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(139,92,246,.12), transparent 60%),
    radial-gradient(900px 500px at 90% 5%, rgba(236,72,153,.10), transparent 55%),
    linear-gradient(180deg, #faf7fc 0%, #f7f2f8 38%, #f5eef7 100%);
  min-height:100vh;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image: linear-gradient(rgba(255,255,255,.55) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.38) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.28), transparent 85%);
  opacity:.25;
  z-index:-1;
}

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

a{
  color:inherit;
  text-decoration:none;
  transition: color var(--transition), transform var(--transition), opacity var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

a:hover{ color:var(--primary-2); }
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid rgba(139,92,246,.28);
  outline-offset:3px;
}

button,
.button{
  font-family:inherit;
  font-weight:700;
  letter-spacing:.02em;
}

.button{
  border-radius:999px;
  border:1px solid transparent;
  padding:.92rem 1.25rem;
  min-height:46px;
  line-height:1;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
}

.button:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 28px rgba(139,92,246,.15);
}

.button:active{
  transform:translateY(0);
  box-shadow:none;
}

.primary-pill{
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color:#fff;
  box-shadow:0 12px 28px rgba(139,92,246,.25);
}

.primary-pill:hover,
.primary-pill:focus{
  color:#fff;
  background:linear-gradient(135deg, #9764ff 0%, #f053a6 100%);
}

.secondary-pill,
.ghost-btn{
  background:rgba(255,255,255,.7);
  color:var(--text);
  border-color:var(--border-strong);
  box-shadow:0 10px 20px rgba(88,57,125,.08);
}

.secondary-pill:hover,
.ghost-btn:hover{
  background:#fff;
  color:var(--primary);
  border-color:rgba(139,92,246,.32);
}

.hollow-btn{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.22);
}

.hollow-btn:hover{
  color:#fff;
  border-color:rgba(255,255,255,.42);
  background:rgba(255,255,255,.08);
}

.grid-container{
  max-width:var(--container);
  padding-left:1rem;
  padding-right:1rem;
}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  padding:.65rem 0;
  background:rgba(248,243,249,.72);
  backdrop-filter: blur(18px);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 8px 24px rgba(86, 55, 120, .06);
}

.site-title-bar{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
  padding:.35rem 0;
  background:transparent;
}

.site-title-bar .title-bar-title{
  font-weight:800;
  font-size:1.02rem;
  letter-spacing:.02em;
  color:var(--text);
  margin-right:auto;
}

.mobile-cta{
  margin:0;
  padding:.72rem .92rem;
  min-height:40px;
}

.site-topbar{
  background:transparent;
  padding:.15rem 0;
  align-items:center;
  justify-content:space-between;
}

.brand,
.brand-desktop{
  font-size:1.18rem;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--text);
  display:inline-flex;
  align-items:center;
  gap:.7rem;
}

.brand::before,
.brand-desktop::before{
  content:"";
  width:14px;
  height:14px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  box-shadow:0 0 0 6px rgba(139,92,246,.12);
  flex:none;
}

.site-nav-right{
  display:flex;
  align-items:center;
  gap:1rem;
  flex-wrap:wrap;
}

.nav-menu{
  align-items:center;
  gap:.25rem;
}

.nav-menu > li > a{
  color:var(--muted);
  font-weight:700;
  border-radius:999px;
  padding:.85rem 1rem;
  position:relative;
}

.nav-menu > li.is-active > a,
.nav-menu > li > a:hover{
  color:var(--text);
  background:rgba(255,255,255,.9);
  box-shadow:inset 0 0 0 1px var(--border);
}

.nav-actions{
  display:flex;
  align-items:center;
  gap:.65rem;
}

.directory-pane{
  width:min(340px, calc(100vw - 20px));
  border-radius:22px;
  border:1px solid rgba(255,255,255,.72);
  background:rgba(255,255,255,.96);
  box-shadow:0 18px 48px rgba(87, 56, 122, .18);
  padding:1rem;
  color:var(--text);
}

.directory-pane .dropdown-title{
  font-size:.84rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--soft);
  margin-bottom:.75rem;
}

.directory-pane a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
  padding:.78rem .85rem;
  border-radius:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:.35rem;
  background:linear-gradient(180deg, rgba(250,247,252,.9), rgba(243,236,247,.72));
  border:1px solid rgba(139,92,246,.10);
}

.directory-pane a:hover{
  background:#fff;
  color:var(--primary);
  transform:translateX(2px);
}

section{
  position:relative;
  padding:84px 0;
}

.section-muted{
  background:linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.58));
  border-top:1px solid rgba(255,255,255,.5);
  border-bottom:1px solid rgba(255,255,255,.5);
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:1.4rem;
  margin-bottom:1.8rem;
}

.section-head > div{
  max-width:680px;
}

.kicker,
.badge{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.36rem .72rem;
  border-radius:999px;
  background:rgba(139,92,246,.10);
  color:var(--primary);
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.badge{
  text-transform:none;
  letter-spacing:.02em;
  font-size:.76rem;
  padding:.28rem .62rem;
}

.badge-hot{
  background:linear-gradient(135deg, rgba(139,92,246,.14), rgba(236,72,153,.14));
  color:#9b4ed4;
}

.badge-success{
  background:rgba(16,185,129,.12);
  color:#0f9d72;
}

.badge-soft{
  background:rgba(251,113,133,.11);
  color:#d14f66;
}

.section-head h2{
  margin:.8rem 0 .55rem;
  font-size:clamp(1.55rem, 2.4vw, 2.3rem);
  line-height:1.15;
  letter-spacing:-.02em;
}

.section-head p{
  margin:0;
  color:var(--muted);
  max-width:38rem;
}

.hero{
  padding:54px 0 58px;
  overflow:hidden;
}

.hero-shell{
  background:
    radial-gradient(900px 520px at 12% 20%, rgba(255,255,255,.26), transparent 50%),
    linear-gradient(135deg, rgba(139,92,246,.98) 0%, rgba(236,72,153,.98) 48%, rgba(251,113,133,.94) 100%);
  border:1px solid rgba(255,255,255,.16);
  border-radius:34px;
  box-shadow:0 28px 70px rgba(111, 61, 152, .24);
  color:#fff;
  padding:clamp(26px, 4vw, 38px);
  position:relative;
  overflow:hidden;
}

.hero-shell::before,
.hero-shell::after{
  content:"";
  position:absolute;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  filter:blur(6px);
}

.hero-shell::before{
  width:280px;
  height:280px;
  top:-120px;
  right:-80px;
}

.hero-shell::after{
  width:180px;
  height:180px;
  left:38%;
  bottom:-90px;
}

.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
  gap:clamp(24px, 4vw, 42px);
  align-items:stretch;
}

.hero-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:1rem;
  min-width:0;
}

.hero-copy .kicker{
  align-self:flex-start;
  background:rgba(255,255,255,.16);
  color:#fff;
  border:1px solid rgba(255,255,255,.16);
}

.hero-copy h1{
  margin:0;
  font-size:clamp(2.1rem, 4.2vw, 4.2rem);
  line-height:1.06;
  letter-spacing:-.03em;
  max-width:11.5ch;
}

.hero-copy p{
  margin:0;
  max-width:44rem;
  font-size:1.02rem;
  line-height:1.95;
  color:rgba(255,255,255,.9);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
  margin-top:.4rem;
}

.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:.65rem;
  margin-top:.1rem;
}

.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.45rem .75rem;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.16);
  font-size:.88rem;
  color:#fff;
}

.hero-note{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  color:rgba(255,255,255,.84);
  font-size:.9rem;
}

.hero-stage{
  display:grid;
  gap:1rem;
  align-content:stretch;
}

.cover-card{
  background:linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.08));
  border:1px solid rgba(255,255,255,.18);
  border-radius:28px;
  padding:1.15rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
  min-height:290px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  position:relative;
  overflow:hidden;
}

.cover-card::before{
  content:"";
  position:absolute;
  inset:auto -20% -25% auto;
  width:200px;
  height:200px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 60%);
}

.cover-card h3{
  margin:.95rem 0 .75rem;
  font-size:1.45rem;
  line-height:1.18;
  color:#fff;
}

.cover-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:.7rem;
}

.cover-list li{
  display:flex;
  align-items:flex-start;
  gap:.75rem;
  color:rgba(255,255,255,.9);
  font-weight:600;
}

.cover-list li span{
  width:22px;
  height:22px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.18);
  flex:none;
  margin-top:.05rem;
}

.cover-foot{
  display:flex;
  justify-content:space-between;
  gap:.8rem;
  margin-top:1rem;
  color:rgba(255,255,255,.86);
  font-size:.85rem;
  letter-spacing:.02em;
}

.hero-status{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:.9rem;
}

.status-card{
  background:rgba(255,255,255,.92);
  border-radius:22px;
  padding:1rem 1rem .95rem;
  box-shadow:0 18px 30px rgba(74, 45, 107, .16);
  border:1px solid rgba(255,255,255,.65);
  color:var(--text);
  min-height:120px;
}

.status-card .status-num{
  font-size:1.55rem;
  font-weight:900;
  line-height:1;
  margin:0 0 .4rem;
  letter-spacing:-.02em;
  color:var(--primary);
}

.status-card .status-label{
  font-weight:800;
  margin:0 0 .35rem;
}

.status-card .status-desc{
  margin:0;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.7;
}

.pain-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:var(--gap);
  margin-top:1.9rem;
}

.pain-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:1.2rem 1.15rem 1.1rem;
  box-shadow:var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.pain-card:hover{
  transform:translateY(-3px);
  border-color:rgba(139,92,246,.28);
  box-shadow:var(--shadow);
}

.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(139,92,246,.16), rgba(236,72,153,.16));
  color:var(--primary);
  font-weight:900;
  margin-bottom:.9rem;
}

.pain-card h3{
  margin:0 0 .45rem;
  font-size:1.08rem;
}

.pain-card p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
  font-size:.95rem;
}

.solution-panel{
  background:var(--surface-strong);
  border:1px solid var(--border);
  border-radius:32px;
  padding:clamp(22px, 3vw, 32px);
  box-shadow:var(--shadow);
}

.solution-grid{
  display:grid;
  grid-template-columns:minmax(0,.98fr) minmax(0,1.02fr);
  gap:1.2rem;
  align-items:stretch;
}

.solution-visual{
  background:
    radial-gradient(600px 260px at 15% 20%, rgba(236,72,153,.18), transparent 55%),
    linear-gradient(135deg, rgba(139,92,246,.08), rgba(251,113,133,.08));
  border:1px solid rgba(139,92,246,.10);
  border-radius:28px;
  padding:1.15rem;
  min-height:360px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  overflow:hidden;
  position:relative;
}

.solution-visual::after{
  content:"";
  position:absolute;
  inset:auto -60px -60px auto;
  width:240px;
  height:240px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%, rgba(255,255,255,.65), rgba(255,255,255,.06) 55%, transparent 70%);
  opacity:.65;
}

.visual-head{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:flex-start;
}

.visual-head h3{
  margin:0;
  font-size:1.5rem;
  line-height:1.18;
  max-width:11ch;
}

.visual-head p{
  margin:.4rem 0 0;
  color:var(--muted);
  max-width:26rem;
  font-size:.95rem;
  line-height:1.8;
}

.visual-line{
  display:grid;
  gap:.85rem;
  margin-top:1rem;
}

.visual-step{
  display:flex;
  gap:.8rem;
  align-items:flex-start;
  padding:.88rem .95rem;
  border-radius:18px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(139,92,246,.10);
}

.visual-step .dot{
  width:12px;
  height:12px;
  border-radius:50%;
  margin-top:.38rem;
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  box-shadow:0 0 0 6px rgba(139,92,246,.08);
  flex:none;
}

.visual-step strong{
  display:block;
  margin-bottom:.12rem;
}

.visual-step span{
  display:block;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.7;
}

.solution-cards{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:1rem;
}

.solution-card{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,244,251,.88));
  border:1px solid var(--border);
  border-radius:24px;
  padding:1.05rem;
  box-shadow:var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  min-height:180px;
}

.solution-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
}

.solution-card .icon{
  width:44px;
  height:44px;
  border-radius:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
  font-weight:900;
  color:#fff;
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  box-shadow:0 12px 22px rgba(139,92,246,.18);
  margin-bottom:.8rem;
}

.solution-card h3{
  margin:0 0 .4rem;
  font-size:1.05rem;
}

.solution-card p{
  margin:0 0 .8rem;
  color:var(--muted);
  line-height:1.75;
  font-size:.94rem;
}

.topic-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:var(--gap);
}

.topic-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:1.15rem;
  box-shadow:var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.topic-card:hover{
  transform:translateY(-3px);
  border-color:rgba(236,72,153,.24);
  box-shadow:var(--shadow);
}

.topic-card h3{
  margin:.9rem 0 .45rem;
  font-size:1.04rem;
}

.topic-card p{
  margin:0 0 .95rem;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.75;
}

.topic-card .topic-link{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-weight:800;
  color:var(--primary);
}

.stat-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:var(--gap);
}

.stat-card{
  background:var(--surface-strong);
  border:1px solid var(--border);
  border-radius:26px;
  padding:1.2rem;
  box-shadow:var(--shadow-sm);
}

.stat-value{
  font-size:2rem;
  font-weight:900;
  line-height:1;
  letter-spacing:-.03em;
  margin-bottom:.35rem;
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.stat-label{
  font-weight:800;
  margin-bottom:.35rem;
}

.stat-desc{
  color:var(--muted);
  margin:0;
  line-height:1.75;
  font-size:.94rem;
}

.progress-card{
  margin-top:var(--gap);
  background:linear-gradient(135deg, rgba(139,92,246,.12), rgba(236,72,153,.10));
  border:1px solid rgba(139,92,246,.14);
  border-radius:26px;
  padding:1rem 1.1rem 1.15rem;
}

.progress-head{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:center;
  margin-bottom:.7rem;
}

.progress-head strong{
  font-size:1.02rem;
}

.progress-head span{
  color:var(--muted);
  font-size:.92rem;
}

.progress-track{
  width:100%;
  height:12px;
  border-radius:999px;
  background:rgba(255,255,255,.78);
  overflow:hidden;
  box-shadow:inset 0 1px 2px rgba(45, 20, 58, .05);
}

.progress-bar{
  width:88%;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--primary) 0%, var(--primary-2) 70%, var(--accent) 100%);
  box-shadow:0 12px 28px rgba(236,72,153,.22);
}

.quote-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:var(--gap);
}

.quote-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:28px;
  padding:1.15rem 1.15rem 1.1rem;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
}

.quote-card::before{
  content:"“";
  position:absolute;
  top:.5rem;
  right:1rem;
  font-size:4rem;
  line-height:1;
  color:rgba(139,92,246,.10);
  font-family:serif;
}

.quote-head{
  display:flex;
  align-items:center;
  gap:.8rem;
  margin-bottom:.85rem;
}

.avatar{
  width:46px;
  height:46px;
  border-radius:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:900;
  background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  box-shadow:0 10px 22px rgba(139,92,246,.2);
  flex:none;
}

.quote-meta strong{
  display:block;
  font-size:1rem;
}

.quote-time{
  color:var(--soft);
  font-size:.84rem;
  margin-top:.1rem;
}

.quote-card p{
  margin:0;
  color:var(--text);
  line-height:1.9;
}

.latest-layout{
  align-items:flex-start;
}

.latest-list{
  display:grid;
  gap:1rem;
}

.news-card{
  background:var(--surface-strong);
  border:1px solid var(--border);
  border-radius:28px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.news-card:hover{
  transform:translateY(-3px);
  border-color:rgba(139,92,246,.28);
  box-shadow:var(--shadow);
}

.news-card-link{
  display:block;
  padding:1.15rem 1.15rem 1.05rem;
}

.news-card h3{
  margin:.85rem 0 .55rem;
  font-size:1.15rem;
  line-height:1.4;
  letter-spacing:-.01em;
}

.news-card p{
  margin:0 0 .95rem;
  color:var(--muted);
  line-height:1.8;
}

.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem .6rem;
  color:var(--soft);
  font-size:.84rem;
}

.news-meta time{
  padding:.25rem .6rem;
  border-radius:999px;
  background:rgba(139,92,246,.08);
  color:var(--primary);
  font-weight:700;
}

.news-action{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  font-weight:800;
  color:var(--primary);
}

.side-stack{
  display:grid;
  gap:1rem;
}

.side-card{
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,244,251,.88));
  border:1px solid var(--border);
  border-radius:28px;
  padding:1.15rem;
  box-shadow:var(--shadow-sm);
}

.side-card h3{
  margin:.85rem 0 .4rem;
  font-size:1.15rem;
}

.side-card p{
  margin:0 0 .95rem;
  color:var(--muted);
  line-height:1.8;
}

.mini-link-list{
  display:grid;
  gap:.55rem;
  margin:0;
}

.mini-link-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.9rem;
  padding:.78rem .88rem;
  border-radius:16px;
  background:rgba(139,92,246,.06);
  border:1px solid rgba(139,92,246,.10);
  color:var(--text);
  font-weight:700;
}

.mini-link-list a:hover{
  background:#fff;
  color:var(--primary);
}

.accordion{
  border:none;
  background:transparent;
  margin:0;
  display:grid;
  gap:.8rem;
}

.accordion-item{
  border:1px solid var(--border);
  border-radius:22px;
  overflow:hidden;
  background:var(--surface-strong);
  box-shadow:var(--shadow-sm);
}

.accordion-title{
  font-size:1rem;
  color:var(--text);
  font-weight:800;
  padding:1rem 1.1rem;
  background:transparent;
  border:none;
}

.accordion-title:hover{
  background:rgba(139,92,246,.05);
  color:var(--primary);
}

.accordion-title::before{
  top:50%;
  margin-top:-.5rem;
  right:1rem;
  border-color:var(--primary) transparent transparent;
}

.accordion-content{
  padding:0 1.1rem 1rem;
  color:var(--muted);
  line-height:1.9;
  border:none;
  background:transparent;
}

.cta-banner{
  background:
    radial-gradient(700px 360px at 10% 20%, rgba(255,255,255,.16), transparent 50%),
    linear-gradient(135deg, rgba(139,92,246,.98) 0%, rgba(236,72,153,.98) 55%, rgba(251,113,133,.95) 100%);
  color:#fff;
  border-radius:34px;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 28px 70px rgba(101, 59, 143, .22);
  padding:clamp(24px, 3.5vw, 36px);
  overflow:hidden;
}

.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:1.2rem;
  align-items:center;
}

.cta-banner h2{
  margin:0 0 .55rem;
  font-size:clamp(1.5rem, 2.5vw, 2.3rem);
  line-height:1.12;
  letter-spacing:-.03em;
}

.cta-banner p{
  margin:0;
  max-width:42rem;
  color:rgba(255,255,255,.88);
  line-height:1.85;
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
  justify-content:flex-end;
}

.cta-actions .button{
  min-width:140px;
}

.footer{
  padding:30px 0 36px;
  border-top:1px solid rgba(255,255,255,.6);
}

.footer-shell{
  background:rgba(255,255,255,.76);
  border:1px solid var(--border);
  border-radius:28px;
  box-shadow:var(--shadow-sm);
  padding:1.15rem 1.2rem;
}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.9fr) minmax(0,.95fr);
  gap:1rem;
  align-items:start;
}

.footer-brand{
  display:flex;
  flex-direction:column;
  gap:.7rem;
}

.footer-brand strong{
  font-size:1.1rem;
}

.footer-brand p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}

.footer-links{
  display:grid;
  gap:.55rem;
}

.footer-links a{
  color:var(--muted);
  font-weight:700;
}

.footer-links a:hover{
  color:var(--primary);
}

.footer-note{
  color:var(--muted);
  line-height:1.8;
  font-size:.93rem;
}

.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:.9rem;
  flex-wrap:wrap;
  align-items:center;
  margin-top:1rem;
  padding-top:1rem;
  border-top:1px dashed rgba(139,92,246,.16);
  color:var(--soft);
  font-size:.88rem;
}

.empty-callout{
  border-radius:24px;
  padding:1.15rem 1.25rem;
  background:linear-gradient(135deg, rgba(139,92,246,.08), rgba(236,72,153,.08));
  border:1px dashed rgba(139,92,246,.22);
  color:var(--text);
  font-weight:700;
}

.floating-bar{
  position:fixed;
  left:50%;
  transform:translateX(-50%);
  bottom:18px;
  z-index:1200;
  width:min(1180px, calc(100vw - 24px));
  background:rgba(255,255,255,.86);
  backdrop-filter: blur(18px);
  border:1px solid rgba(139,92,246,.16);
  border-radius:24px;
  box-shadow:0 20px 50px rgba(82, 49, 117, .16);
  padding:.75rem .85rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
}

.floating-bar .float-copy{
  display:flex;
  align-items:center;
  gap:.7rem;
  color:var(--text);
  font-weight:800;
}

.floating-bar .float-copy span{
  color:var(--muted);
  font-weight:600;
}

.floating-bar .float-actions{
  display:flex;
  align-items:center;
  gap:.65rem;
}

.floating-bar .button{
  min-height:42px;
  padding:.8rem 1rem;
}

.reveal{
  border:none;
  border-radius:28px;
  padding:0;
  background:transparent;
  box-shadow:none;
  overflow:hidden;
  max-width:720px;
}

.reveal-shell{
  background:var(--surface-strong);
  border:1px solid var(--border);
  border-radius:28px;
  box-shadow:var(--shadow);
  overflow:hidden;
}

.reveal-head{
  padding:1.2rem 1.25rem 1rem;
  background:linear-gradient(135deg, rgba(139,92,246,.12), rgba(236,72,153,.10));
  border-bottom:1px solid rgba(139,92,246,.10);
}

.reveal-head h3{
  margin:0 0 .35rem;
  font-size:1.25rem;
}

.reveal-head p{
  margin:0;
  color:var(--muted);
  line-height:1.75;
}

.reveal-body{
  padding:1.1rem 1.25rem 1.25rem;
}

.reveal-list{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:.8rem;
  margin-top:1rem;
}

.reveal-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.7rem;
  padding:.9rem .95rem;
  border-radius:16px;
  background:rgba(139,92,246,.06);
  border:1px solid rgba(139,92,246,.10);
  font-weight:800;
}

.reveal-list a:hover{
  background:#fff;
  color:var(--primary);
}

.reveal-close{
  color:var(--soft);
  font-weight:700;
  float:right;
  margin-top:.2rem;
}

@media screen and (max-width: 1024px){
  .hero-grid,
  .solution-grid,
  .cta-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .pain-grid,
  .topic-grid,
  .stat-grid,
  .quote-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }

  .solution-cards{
    grid-template-columns:1fr;
  }

  .section-head{
    align-items:flex-start;
    flex-direction:column;
  }

  .cta-actions{
    justify-content:flex-start;
  }
}

@media screen and (max-width: 768px){
  .site-title-bar{
    display:flex;
  }

  .site-topbar{
    display:none;
    padding:.55rem 0 .2rem;
  }

  .site-topbar.is-open{
    display:block;
  }

  .site-nav-right{
    display:block;
    margin-top:.7rem;
  }

  .nav-menu{
    flex-direction:column;
    align-items:stretch;
  }

  .nav-actions{
    margin-top:.9rem;
    display:grid;
    grid-template-columns:1fr 1fr;
  }

  section{
    padding:68px 0;
  }

  .hero{
    padding-top:38px;
  }

  .hero-copy h1{
    max-width:none;
  }

  .hero-status{
    grid-template-columns:1fr 1fr;
  }

  .pain-grid,
  .topic-grid,
  .stat-grid,
  .quote-grid,
  .reveal-list{
    grid-template-columns:1fr;
  }

  .floating-bar{
    display:none;
  }
}

@media screen and (max-width: 520px){
  .grid-container{
    padding-left:.85rem;
    padding-right:.85rem;
  }

  .hero-shell,
  .solution-panel,
  .footer-shell,
  .cta-banner,
  .news-card,
  .quote-card,
  .topic-card,
  .pain-card,
  .stat-card,
  .side-card{
    border-radius:22px;
  }

  .hero-copy p,
  .section-head p,
  .stat-desc,
  .quote-card p,
  .news-card p,
  .side-card p,
  .pain-card p{
    line-height:1.8;
  }

  .hero-actions,
  .cta-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .hero-actions .button,
  .cta-actions .button{
    width:100%;
    justify-content:center;
  }

  .hero-status{
    grid-template-columns:1fr;
  }

  .cover-card{
    min-height:auto;
  }

  .cover-foot{
    flex-direction:column;
  }

  .news-card-link{
    padding:1rem;
  }

  .nav-actions{
    grid-template-columns:1fr;
  }
}

::selection{
  background:rgba(236,72,153,.18);
  color:var(--text);
}

/* roulang page: article */
:root{
      --bg: #f7f2f8;
      --bg-2: #fbf8fc;
      --surface: rgba(255,255,255,.84);
      --surface-strong: rgba(255,255,255,.96);
      --surface-dark: #20172b;
      --text: #22172f;
      --muted: #6f5f7e;
      --soft: #8d7d9e;
      --border: rgba(109, 73, 139, .14);
      --border-strong: rgba(109, 73, 139, .22);
      --primary: #8b5cf6;
      --primary-2: #ec4899;
      --accent: #fb7185;
      --accent-2: #f59e0b;
      --success: #10b981;
      --shadow: 0 18px 45px rgba(88, 57, 125, .12);
      --shadow-sm: 0 10px 24px rgba(88, 57, 125, .08);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 26px;
      --radius-xl: 34px;
      --container: 1240px;
      --gap: 24px;
      --gap-lg: 32px;
      --transition: 220ms cubic-bezier(.2,.8,.2,1);
    }
    *{ box-sizing:border-box; }
    html{
      scroll-behavior:smooth;
      -webkit-text-size-adjust:100%;
    }
    body{
      margin:0;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.7;
      background:
        radial-gradient(1200px 600px at 10% -10%, rgba(139,92,246,.12), transparent 60%),
        radial-gradient(900px 500px at 90% 5%, rgba(236,72,153,.10), transparent 55%),
        linear-gradient(180deg, #faf7fc 0%, #f7f2f8 38%, #f5eef7 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.55) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.38) 1px, transparent 1px);
      background-size:28px 28px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.28), transparent 85%);
      opacity:.25;
      z-index:-1;
    }
    img{
      max-width:100%;
      display:block;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--transition), transform var(--transition), opacity var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    a:hover{ color:var(--primary-2); }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible{
      outline:3px solid rgba(139,92,246,.28);
      outline-offset:3px;
    }
    button,
    .button{
      font-family:inherit;
      font-weight:700;
      letter-spacing:.02em;
    }
    .button{
      border-radius:999px;
      border:1px solid transparent;
      padding:.92rem 1.25rem;
      min-height:46px;
      line-height:1;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
    }
    .button:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 28px rgba(139,92,246,.15);
    }
    .button:active{
      transform:translateY(0);
      box-shadow:none;
    }
    .primary-pill{
      background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
      color:#fff;
      box-shadow:0 12px 28px rgba(139,92,246,.25);
    }
    .primary-pill:hover,
    .primary-pill:focus{
      color:#fff;
      background:linear-gradient(135deg, #9764ff 0%, #f053a6 100%);
    }
    .secondary-pill,
    .ghost-btn{
      background:rgba(255,255,255,.7);
      color:var(--text);
      border-color:var(--border-strong);
      box-shadow:0 10px 20px rgba(88,57,125,.08);
    }
    .secondary-pill:hover,
    .ghost-btn:hover{
      background:#fff;
      color:var(--primary);
      border-color:rgba(139,92,246,.32);
    }
    .grid-container{
      max-width:var(--container);
      padding-left:1rem;
      padding-right:1rem;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:.65rem 0;
      background:rgba(248,243,249,.72);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.65);
      box-shadow:0 8px 24px rgba(86,55,120,.06);
    }
    .site-title-bar{
      display:none;
      align-items:center;
      justify-content:space-between;
      gap:.8rem;
      padding:.35rem 0;
      background:transparent;
    }
    .site-title-bar .title-bar-title{
      font-weight:800;
      font-size:1.02rem;
      letter-spacing:.02em;
      color:var(--text);
      margin-right:auto;
    }
    .mobile-cta{
      margin:0;
      padding:.72rem .92rem;
      min-height:40px;
    }
    .site-topbar{
      background:transparent;
      padding:.15rem 0;
      align-items:center;
      justify-content:space-between;
    }
    .brand,
    .brand-desktop{
      font-size:1.18rem;
      font-weight:900;
      letter-spacing:.02em;
      color:var(--text);
      display:inline-flex;
      align-items:center;
      gap:.7rem;
    }
    .brand::before,
    .brand-desktop::before{
      content:"";
      width:14px;
      height:14px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
      box-shadow:0 0 0 6px rgba(139,92,246,.12);
      flex:none;
    }
    .site-nav-right{
      display:flex;
      align-items:center;
      gap:1rem;
      flex-wrap:wrap;
    }
    .nav-menu{
      align-items:center;
      gap:.25rem;
    }
    .nav-menu > li > a{
      color:var(--muted);
      font-weight:700;
      border-radius:999px;
      padding:.85rem 1rem;
      position:relative;
    }
    .nav-menu > li.is-active > a,
    .nav-menu > li > a:hover{
      color:var(--text);
      background:rgba(255,255,255,.9);
      box-shadow:inset 0 0 0 1px var(--border);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:.65rem;
    }
    .directory-pane{
      width:280px;
      border:1px solid var(--border);
      border-radius:22px;
      padding:1rem;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
    }
    .directory-pane .dropdown-title{
      font-size:.84rem;
      font-weight:800;
      letter-spacing:.08em;
      color:var(--soft);
      margin-bottom:.75rem;
    }
    .directory-pane a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:.8rem;
      padding:.78rem .85rem;
      border-radius:14px;
      font-weight:700;
      color:var(--text);
      margin-bottom:.35rem;
      background:linear-gradient(180deg, rgba(250,247,252,.9), rgba(243,236,247,.72));
      border:1px solid rgba(139,92,246,.10);
    }
    .directory-pane a:hover{
      background:#fff;
      color:var(--primary);
      transform:translateX(2px);
    }
    .article-hero{
      padding:72px 0 44px;
      position:relative;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:.5rem;
      flex-wrap:wrap;
      margin:0 0 1.2rem;
      color:var(--soft);
      font-size:.92rem;
      font-weight:700;
    }
    .breadcrumb a{
      color:var(--muted);
      padding:.28rem .58rem;
      border-radius:999px;
      background:rgba(255,255,255,.58);
      border:1px solid var(--border);
    }
    .breadcrumb a:hover{
      color:var(--primary);
      background:#fff;
      transform:translateY(-1px);
    }
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 390px;
      gap:32px;
      align-items:stretch;
    }
    .article-title-card{
      min-height:420px;
      padding:38px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(255,255,255,.72)),
        radial-gradient(520px 260px at 8% 0%, rgba(139,92,246,.16), transparent 58%),
        radial-gradient(460px 260px at 92% 12%, rgba(236,72,153,.13), transparent 60%);
      border:1px solid rgba(255,255,255,.78);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .article-title-card::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-110px;
      width:270px;
      height:270px;
      border-radius:50%;
      background:linear-gradient(135deg, rgba(139,92,246,.16), rgba(236,72,153,.18));
      filter:blur(2px);
    }
    .kicker,
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.36rem .72rem;
      border-radius:999px;
      background:rgba(139,92,246,.10);
      color:var(--primary);
      font-size:.84rem;
      line-height:1.2;
      font-weight:800;
      border:1px solid rgba(139,92,246,.12);
    }
    .article-title-card h1{
      position:relative;
      z-index:1;
      max-width:820px;
      margin:1.05rem 0 1rem;
      font-size:clamp(2.2rem, 4.4vw, 4.45rem);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:900;
      color:var(--text);
    }
    .article-summary{
      position:relative;
      z-index:1;
      max-width:760px;
      margin:0;
      font-size:1.08rem;
      color:var(--muted);
      line-height:1.85;
    }
    .meta-row{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:.75rem;
      margin-top:1.6rem;
    }
    .meta-badge{
      display:inline-flex;
      align-items:center;
      gap:.42rem;
      min-height:34px;
      padding:.42rem .76rem;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.76);
      border:1px solid var(--border);
      font-weight:800;
      font-size:.88rem;
    }
    .meta-badge.hot{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg, var(--accent), var(--primary-2));
      box-shadow:0 12px 24px rgba(236,72,153,.18);
    }
    .hero-actions{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:.85rem;
      margin-top:2rem;
    }
    .resource-panel{
      border-radius:var(--radius-xl);
      overflow:hidden;
      background:var(--surface-strong);
      border:1px solid rgba(255,255,255,.75);
      box-shadow:var(--shadow);
      display:flex;
      flex-direction:column;
    }
    .cover-visual{
      min-height:210px;
      padding:1.2rem;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.92), transparent 22%),
        linear-gradient(135deg, #8b5cf6 0%, #ec4899 64%, #fb7185 100%);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .cover-visual::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.28);
    }
    .cover-visual::after{
      content:"";
      position:absolute;
      width:190px;
      height:190px;
      right:-72px;
      bottom:-78px;
      border-radius:50%;
      background:rgba(255,255,255,.16);
    }
    .cover-tag{
      position:relative;
      display:inline-flex;
      padding:.32rem .68rem;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.28);
      font-weight:800;
      font-size:.82rem;
    }
    .cover-title{
      position:relative;
      margin:3.1rem 0 0;
      font-size:2rem;
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .panel-body{
      padding:1.35rem;
    }
    .toc-title{
      margin:0 0 .8rem;
      font-size:1rem;
      font-weight:900;
      color:var(--text);
    }
    .toc-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:.62rem;
    }
    .toc-list li{
      display:flex;
      align-items:flex-start;
      gap:.62rem;
      color:var(--muted);
      font-weight:700;
      font-size:.94rem;
    }
    .toc-list li::before{
      content:"";
      width:9px;
      height:9px;
      margin-top:.5rem;
      border-radius:99px;
      flex:none;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 5px rgba(139,92,246,.10);
    }
    .mini-form{
      margin-top:1.2rem;
      padding:1rem;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(247,242,248,.9), rgba(255,255,255,.86));
      border:1px solid var(--border);
    }
    .mini-form label{
      color:var(--muted);
      font-weight:800;
      font-size:.88rem;
      margin-bottom:.35rem;
    }
    .mini-form input{
      height:46px;
      border-radius:999px;
      border:1px solid var(--border-strong);
      background:#fff;
      box-shadow:none;
      padding:0 1rem;
      margin-bottom:.7rem;
    }
    .mini-form input:focus{
      border-color:rgba(139,92,246,.45);
      box-shadow:0 0 0 4px rgba(139,92,246,.10);
    }
    .mini-form .button{
      width:100%;
      margin:0;
    }
    .form-tip{
      margin:.62rem 0 0;
      color:var(--soft);
      font-size:.82rem;
      line-height:1.6;
    }
    .main-wrap{
      padding:36px 0 86px;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 340px;
      gap:32px;
      align-items:start;
    }
    .article-main{
      min-width:0;
    }
    .article-cover{
      width:100%;
      min-height:280px;
      border-radius:var(--radius-xl);
      margin-bottom:1.5rem;
      background:
        linear-gradient(135deg, rgba(32,23,43,.86), rgba(139,92,246,.78)),
        radial-gradient(420px 240px at 82% 18%, rgba(236,72,153,.52), transparent 62%);
      border:1px solid rgba(255,255,255,.7);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .article-cover::before{
      content:"";
      position:absolute;
      inset:24px;
      border-radius:26px;
      background:
        linear-gradient(90deg, rgba(255,255,255,.16) 0 24%, transparent 24% 30%, rgba(255,255,255,.10) 30% 100%);
      border:1px solid rgba(255,255,255,.18);
    }
    .article-cover::after{
      content:"入口清晰 · 更新可查 · 阅读顺畅";
      position:absolute;
      left:44px;
      bottom:42px;
      max-width:520px;
      color:#fff;
      font-weight:900;
      font-size:clamp(1.45rem, 3vw, 2.55rem);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .article-card{
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.78);
      box-shadow:var(--shadow);
      padding:38px;
    }
    .pull-quote{
      margin:0 0 1.6rem;
      padding:1.35rem 1.45rem;
      border-radius:22px;
      background:
        linear-gradient(135deg, rgba(139,92,246,.11), rgba(236,72,153,.09)),
        rgba(255,255,255,.78);
      border:1px solid rgba(139,92,246,.16);
      color:var(--text);
      font-size:1.08rem;
      line-height:1.9;
      font-weight:800;
      position:relative;
    }
    .pull-quote::before{
      content:"“";
      display:inline-block;
      margin-right:.2rem;
      color:var(--primary-2);
      font-size:1.6rem;
      line-height:0;
      vertical-align:-.25rem;
    }
    .article-content{
      color:#34263f;
      font-size:1.06rem;
      line-height:1.95;
      overflow-wrap:anywhere;
    }
    .article-content h2,
    .article-content h3,
    .article-content h4{
      color:var(--text);
      font-weight:900;
      line-height:1.28;
      letter-spacing:-.02em;
      margin:2.1rem 0 .9rem;
    }
    .article-content h2{
      font-size:1.86rem;
      padding-top:.2rem;
    }
    .article-content h3{
      font-size:1.42rem;
    }
    .article-content h4{
      font-size:1.15rem;
    }
    .article-content p{
      margin:0 0 1.1rem;
    }
    .article-content a{
      color:var(--primary);
      font-weight:800;
      border-bottom:1px solid rgba(139,92,246,.28);
    }
    .article-content a:hover{
      color:var(--primary-2);
      border-bottom-color:rgba(236,72,153,.45);
    }
    .article-content ul,
    .article-content ol{
      margin:0 0 1.25rem 1.25rem;
      padding-left:1rem;
    }
    .article-content li{
      margin:.42rem 0;
      padding-left:.15rem;
    }
    .article-content blockquote{
      margin:1.6rem 0;
      padding:1.25rem 1.35rem;
      border:0;
      border-left:5px solid var(--primary-2);
      border-radius:18px;
      background:rgba(248,243,249,.85);
      color:var(--muted);
      font-weight:700;
    }
    .article-content img{
      margin:1.5rem auto;
      border-radius:22px;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.4rem 0;
      overflow:hidden;
      border-radius:18px;
      border:1px solid var(--border);
      background:#fff;
      font-size:.96rem;
    }
    .article-content th,
    .article-content td{
      padding:.85rem .95rem;
      border-bottom:1px solid rgba(109,73,139,.10);
      text-align:left;
    }
    .article-content th{
      background:rgba(139,92,246,.08);
      color:var(--text);
      font-weight:900;
    }
    .not-found{
      text-align:center;
      padding:3.2rem 1rem;
      border-radius:26px;
      background:linear-gradient(180deg, rgba(247,242,248,.95), rgba(255,255,255,.88));
      border:1px dashed rgba(139,92,246,.28);
    }
    .not-found h2{
      margin:0 0 .8rem;
      font-size:2rem;
      font-weight:900;
      color:var(--text);
    }
    .not-found p{
      margin:0 0 1.3rem;
      color:var(--muted);
    }
    .side-stack{
      position:sticky;
      top:96px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.9);
      border:1px solid rgba(255,255,255,.75);
      box-shadow:var(--shadow-sm);
      padding:1.25rem;
      overflow:hidden;
    }
    .side-card.dark{
      color:#fff;
      background:
        radial-gradient(320px 170px at 95% 0%, rgba(236,72,153,.36), transparent 60%),
        linear-gradient(135deg, #2c1d3b, #20172b);
      border-color:rgba(255,255,255,.10);
    }
    .side-card h2,
    .side-card h3{
      margin:0 0 .85rem;
      font-size:1.12rem;
      line-height:1.35;
      font-weight:900;
      color:inherit;
    }
    .side-card p{
      margin:0 0 1rem;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.75;
    }
    .side-card.dark p{
      color:rgba(255,255,255,.72);
    }
    .info-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:.72rem;
    }
    .info-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:.9rem;
      padding:.78rem .85rem;
      border-radius:16px;
      background:rgba(247,242,248,.72);
      border:1px solid rgba(109,73,139,.10);
      color:var(--muted);
      font-weight:800;
      font-size:.9rem;
    }
    .info-list strong{
      color:var(--text);
      max-width:58%;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .topic-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:.8rem;
      padding:.9rem .95rem;
      margin:.58rem 0 0;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      color:#fff;
      font-weight:800;
    }
    .topic-link:hover{
      color:#fff;
      background:rgba(255,255,255,.16);
      transform:translateY(-1px);
    }
    .related-list{
      display:grid;
      gap:.8rem;
    }
    .related-item{
      display:block;
      padding:.95rem;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(250,247,252,.9), rgba(255,255,255,.82));
      border:1px solid var(--border);
    }
    .related-item:hover{
      background:#fff;
      transform:translateY(-2px);
      box-shadow:0 14px 26px rgba(88,57,125,.09);
    }
    .related-item strong{
      display:block;
      color:var(--text);
      font-size:.98rem;
      line-height:1.45;
      margin-bottom:.35rem;
    }
    .related-item span{
      display:block;
      color:var(--soft);
      font-size:.84rem;
      font-weight:700;
    }
    .share-box{
      display:flex;
      gap:.62rem;
      flex-wrap:wrap;
      margin-top:.8rem;
    }
    .share-box a{
      flex:1 1 auto;
      text-align:center;
      min-width:96px;
      padding:.72rem .8rem;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--muted);
      font-size:.9rem;
      font-weight:800;
    }
    .share-box a:hover{
      color:var(--primary);
      border-color:rgba(139,92,246,.28);
      transform:translateY(-1px);
    }
    .cta-section{
      padding:0 0 84px;
    }
    .cta-card{
      border-radius:var(--radius-xl);
      padding:2rem;
      color:#fff;
      background:
        radial-gradient(520px 240px at 18% 0%, rgba(255,255,255,.20), transparent 62%),
        radial-gradient(420px 240px at 90% 30%, rgba(251,113,133,.32), transparent 65%),
        linear-gradient(135deg, #8b5cf6 0%, #ec4899 62%, #fb7185 100%);
      box-shadow:0 24px 60px rgba(139,92,246,.25);
      overflow:hidden;
      position:relative;
    }
    .cta-card::after{
      content:"";
      position:absolute;
      right:-90px;
      bottom:-110px;
      width:280px;
      height:280px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:1.4rem;
      align-items:center;
    }
    .cta-card h2{
      margin:0 0 .5rem;
      font-size:clamp(1.65rem, 3vw, 2.6rem);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.035em;
      color:#fff;
    }
    .cta-card p{
      margin:0;
      max-width:680px;
      color:rgba(255,255,255,.82);
      line-height:1.8;
    }
    .cta-actions{
      display:flex;
      gap:.8rem;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .cta-actions .secondary-pill{
      background:rgba(255,255,255,.95);
      color:var(--text);
    }
    .cta-actions .hollow-light{
      color:#fff;
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.30);
    }
    .cta-actions .hollow-light:hover{
      color:#fff;
      background:rgba(255,255,255,.16);
      border-color:rgba(255,255,255,.48);
    }
    .footer{
      padding:72px 0 34px;
      background:linear-gradient(180deg, rgba(255,255,255,.20), rgba(255,255,255,.50));
      border-top:1px solid rgba(255,255,255,.62);
    }
    .footer-shell{
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(255,255,255,.76);
      box-shadow:var(--shadow-sm);
      padding:1.5rem;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr 1.25fr;
      gap:1.4rem;
      align-items:start;
    }
    .footer-brand strong{
      display:inline-flex;
      align-items:center;
      gap:.62rem;
      margin-bottom:.65rem;
      color:var(--text);
      font-size:1.12rem;
      font-weight:900;
    }
    .footer-brand strong::before{
      content:"";
      width:12px;
      height:12px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 6px rgba(139,92,246,.10);
    }
    .footer-brand p,
    .footer-note p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.75;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:.6rem;
    }
    .footer-links a{
      display:inline-flex;
      padding:.58rem .78rem;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.58);
      border:1px solid var(--border);
      font-weight:800;
      font-size:.9rem;
    }
    .footer-links a:hover{
      color:var(--primary);
      background:#fff;
      transform:translateY(-1px);
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-top:1.25rem;
      padding-top:1rem;
      border-top:1px solid rgba(109,73,139,.10);
      color:var(--soft);
      font-size:.9rem;
      font-weight:700;
    }
    @media screen and (max-width: 1024px){
      .hero-shell,
      .content-layout{
        grid-template-columns:1fr;
      }
      .resource-panel,
      .side-stack{
        position:static;
      }
      .side-stack{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .footer-note{
        grid-column:1 / -1;
      }
      .cta-grid{
        grid-template-columns:1fr;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }
    @media screen and (max-width: 768px){
      .site-header{
        padding:.45rem 0;
      }
      .site-title-bar{
        display:flex;
      }
      .site-topbar{
        padding:.55rem 0 .2rem;
        display:none;
      }
      .site-topbar.is-active{
        display:block;
      }
      .site-topbar .top-bar-left,
      .site-topbar .top-bar-right{
        width:100%;
      }
      .brand-desktop{
        display:none;
      }
      .site-nav-right{
        display:block;
      }
      .nav-menu{
        display:block;
        width:100%;
        margin:.4rem 0;
      }
      .nav-menu > li > a{
        display:block;
        margin:.28rem 0;
        padding:.85rem .95rem;
        background:rgba(255,255,255,.62);
      }
      .nav-actions{
        display:none;
      }
      .article-hero{
        padding:42px 0 26px;
      }
      .article-title-card{
        min-height:auto;
        padding:28px 22px;
      }
      .article-title-card h1{
        font-size:2.35rem;
      }
      .article-summary{
        font-size:1rem;
      }
      .hero-actions .button{
        width:100%;
      }
      .main-wrap{
        padding:22px 0 62px;
      }
      .article-card{
        padding:25px 20px;
      }
      .article-cover{
        min-height:220px;
      }
      .article-cover::after{
        left:26px;
        bottom:28px;
        font-size:1.55rem;
      }
      .article-content{
        font-size:1rem;
        line-height:1.9;
      }
      .article-content h2{
        font-size:1.55rem;
      }
      .side-stack{
        grid-template-columns:1fr;
      }
      .cta-card{
        padding:1.45rem;
      }
      .cta-actions .button{
        width:100%;
      }
      .footer{
        padding:54px 0 26px;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media screen and (max-width: 520px){
      .grid-container{
        padding-left:.9rem;
        padding-right:.9rem;
      }
      .mobile-cta{
        display:none;
      }
      .article-title-card h1{
        font-size:2rem;
        letter-spacing:-.035em;
      }
      .meta-row{
        gap:.5rem;
      }
      .meta-badge{
        width:100%;
        justify-content:space-between;
      }
      .resource-panel{
        border-radius:26px;
      }
      .cover-title{
        font-size:1.62rem;
      }
      .article-card{
        border-radius:26px;
      }
      .pull-quote{
        padding:1.05rem;
        font-size:1rem;
      }
      .share-box a{
        min-width:100%;
      }
      .footer-links a{
        width:100%;
        justify-content:center;
      }
    }