/* roulang page: index */
:root{
  --bg:#151013;
  --bg-2:#1b1419;
  --panel:#211a1f;
  --panel-2:#261d24;
  --panel-3:#2c2229;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,106,42,.35);
  --text:#f6efe8;
  --muted:#afa6a0;
  --muted-2:#8f8782;
  --accent:#ff6a2a;
  --accent-2:#b13c72;
  --accent-3:#7b2cbf;
  --shadow:0 18px 50px rgba(0,0,0,.34);
  --shadow-2:0 10px 26px rgba(0,0,0,.28);
  --radius-xl:32px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --container:1240px;
  --gap:24px;
  --line:1px solid var(--border);
}

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

html{
  scroll-behavior:smooth;
  background:var(--bg);
}

body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 18% 18%, rgba(177,60,114,.18), transparent 26%),
    radial-gradient(circle at 82% 12%, rgba(255,106,42,.14), transparent 24%),
    radial-gradient(circle at 70% 80%, rgba(123,44,191,.10), transparent 22%),
    linear-gradient(180deg, #171115 0%, #120d11 100%);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", sans-serif;
  line-height:1.7;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(115deg, rgba(255,255,255,.03) 0, rgba(255,255,255,0) 20%),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.06), transparent 40%);
  opacity:.55;
  z-index:-1;
}

a{
  color:inherit;
  text-decoration:none;
  transition:color .24s ease, transform .24s ease, background-color .24s ease, border-color .24s ease, box-shadow .24s ease, opacity .24s ease;
}

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

button,
input,
textarea,
select{
  font:inherit;
}

button{
  border:0;
  cursor:pointer;
  background:none;
  color:inherit;
}

:focus{
  outline:none;
}

:focus-visible{
  outline:2px solid rgba(255,106,42,.95);
  outline-offset:3px;
  border-radius:12px;
}

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

.container{
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(21,16,19,.54);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.site-header.is-scrolled{
  background:rgba(21,16,19,.95);
  box-shadow:0 10px 24px rgba(0,0,0,.22);
  border-color:rgba(255,255,255,.06);
}

.header-inner{
  min-height:80px;
  display:flex;
  align-items:center;
  gap:20px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.2px;
  white-space:nowrap;
}

.brand-mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.22), transparent 32%),
    linear-gradient(135deg, rgba(255,106,42,.98), rgba(177,60,114,.96));
  box-shadow:0 14px 30px rgba(255,106,42,.18);
  color:#fff4ea;
  font-size:18px;
}

.brand-name{
  font-size:1.02rem;
  line-height:1.1;
}

.brand-sub{
  display:block;
  margin-top:2px;
  color:var(--muted);
  font-size:.76rem;
  font-weight:600;
}

.site-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:28px;
}

.site-nav a{
  position:relative;
  color:var(--muted);
  font-size:.98rem;
  font-weight:600;
  padding:10px 0;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active{
  color:var(--text);
}

.site-nav a.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--accent), rgba(255,106,42,.35));
  box-shadow:0 0 18px rgba(255,106,42,.3);
}

.header-cta{
  margin-left:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--accent), #ff8555);
  color:#fff9f3;
  font-weight:700;
  box-shadow:0 12px 24px rgba(255,106,42,.2);
}

.header-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 28px rgba(255,106,42,.24);
}

.menu-toggle{
  display:none;
  margin-left:auto;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  align-items:center;
  justify-content:center;
  gap:5px;
  flex-direction:column;
}

.menu-toggle span{
  width:18px;
  height:2px;
  border-radius:999px;
  background:var(--text);
  transition:transform .24s ease, opacity .24s ease;
}

.mobile-drawer{
  display:none;
}

.hero{
  position:relative;
  padding:48px 0 36px;
  overflow:hidden;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 12% 22%, rgba(255,106,42,.12), transparent 30%),
    radial-gradient(circle at 88% 0%, rgba(177,60,114,.18), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  pointer-events:none;
}

.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);
  gap:36px;
  align-items:center;
  padding:44px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(32,25,30,.92), rgba(20,15,19,.93));
  box-shadow:var(--shadow);
  overflow:hidden;
}

.hero-copy{
  position:relative;
  z-index:1;
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,106,42,.12);
  border:1px solid rgba(255,106,42,.22);
  color:#ffd9c7;
  font-size:.88rem;
  font-weight:700;
  letter-spacing:.3px;
}

.kicker::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 6px rgba(255,106,42,.12);
}

.hero h1{
  margin:18px 0 14px;
  font-size:clamp(2rem, 4.2vw, 3.45rem);
  line-height:1.12;
  letter-spacing:-.02em;
}

.hero-lead{
  margin:0;
  max-width:46rem;
  color:#e7ddd7;
  font-size:1.06rem;
  line-height:1.85;
}

.hero-actions{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.btn{
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:700;
  letter-spacing:.2px;
  transition:transform .24s ease, box-shadow .24s ease, background-color .24s ease, border-color .24s ease, color .24s ease;
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  background:linear-gradient(135deg, var(--accent), #ff8250);
  color:#fff8f0;
  box-shadow:0 14px 28px rgba(255,106,42,.18);
}

.btn-primary:hover{
  box-shadow:0 18px 34px rgba(255,106,42,.24);
}

.btn-secondary{
  background:rgba(255,255,255,.02);
  color:#f5e9e0;
  border-color:rgba(255,106,42,.28);
}

.btn-secondary:hover{
  background:rgba(255,106,42,.12);
  border-color:rgba(255,106,42,.4);
}

.btn-ghost{
  color:var(--muted);
  padding:0;
  min-height:auto;
  background:none;
  border:0;
}

.btn-ghost:hover{
  color:var(--text);
  transform:none;
}

.hero-points{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.point{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.07);
  color:#e8ddd6;
  font-size:.92rem;
}

.point i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 0 0 5px rgba(255,106,42,.12);
  display:inline-block;
}

.hero-visual{
  position:relative;
  z-index:1;
}

.visual-frame{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(160deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  box-shadow:var(--shadow);
  min-height:420px;
}

.visual-frame img{
  width:100%;
  height:100%;
  min-height:420px;
  object-fit:cover;
  filter:saturate(.88) contrast(1.03);
  transform:scale(1.02);
}

.visual-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(10,7,9,.12), rgba(10,7,9,.76)),
    radial-gradient(circle at 70% 28%, rgba(255,106,42,.18), transparent 24%);
}

.visual-card{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  display:grid;
  gap:12px;
  padding:18px;
  border-radius:22px;
  background:rgba(25,19,24,.9);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 34px rgba(0,0,0,.3);
}

.visual-card .topline{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.visual-card .topline strong{
  font-size:1rem;
}

.visual-card .topline span{
  color:var(--muted);
  font-size:.88rem;
}

.visual-list{
  display:grid;
  gap:10px;
}

.visual-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
}

.visual-item b{
  font-size:.96rem;
}

.visual-item small{
  color:var(--muted);
}

.section{
  padding:clamp(52px, 7vw, 92px) 0;
  position:relative;
}

.section-header{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}

.section-title-wrap{
  max-width:760px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  color:#ffd7c1;
  font-weight:700;
  font-size:.88rem;
  letter-spacing:.22em;
  text-transform:uppercase;
}

.eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:linear-gradient(90deg, var(--accent), rgba(255,106,42,.12));
}

.section-title{
  margin:0;
  font-size:clamp(1.7rem, 2.9vw, 2.8rem);
  line-height:1.18;
  letter-spacing:-.02em;
}

.section-lead{
  margin:14px 0 0;
  max-width:60rem;
  color:var(--muted);
  font-size:1rem;
  line-height:1.9;
}

.entry-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:var(--gap);
}

.entry-card{
  position:relative;
  overflow:hidden;
  padding:24px;
  min-height:220px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(160deg, rgba(35,27,32,.98), rgba(28,21,26,.96));
  box-shadow:var(--shadow-2);
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease, background-color .24s ease;
}

.entry-card::before{
  content:"";
  position:absolute;
  inset:auto -20% -30% auto;
  width:160px;
  height:160px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,106,42,.18), transparent 68%);
  opacity:.9;
  pointer-events:none;
}

.entry-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,106,42,.32);
  box-shadow:0 20px 36px rgba(0,0,0,.32);
}

.entry-number{
  position:absolute;
  top:18px;
  right:18px;
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:rgba(255,106,42,.12);
  border:1px solid rgba(255,106,42,.22);
  color:#ffcfb9;
  font-weight:800;
  font-size:.95rem;
}

.entry-icon{
  width:56px;
  height:56px;
  border-radius:18px;
  display:grid;
  place-items:center;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,.18), transparent 34%),
    linear-gradient(145deg, rgba(255,106,42,.95), rgba(177,60,114,.82));
  color:#fff6ee;
  font-size:1.4rem;
  box-shadow:0 16px 34px rgba(255,106,42,.18);
}

.entry-card h3{
  margin:18px 0 10px;
  font-size:1.3rem;
  line-height:1.3;
}

.entry-card p{
  margin:0;
  color:var(--muted);
  line-height:1.85;
}

.entry-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  color:#ffd9c7;
  font-weight:700;
}

.entry-link::after{
  content:"↗";
  transition:transform .24s ease;
}

.entry-card:hover .entry-link::after{
  transform:translateX(2px) translateY(-1px);
}

.updates-grid{
  display:grid;
  grid-template-columns:minmax(0,1.16fr) minmax(320px,.84fr);
  gap:var(--gap);
  align-items:start;
}

.feature-card,
.news-item,
.empty-state{
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(33,26,31,.98), rgba(27,20,25,.98));
  box-shadow:var(--shadow-2);
}

.feature-card{
  overflow:hidden;
}

.feature-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#241a20;
}

.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.9) contrast(1.03);
}

.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.48));
}

.feature-body{
  padding:22px 22px 24px;
}

.card-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,106,42,.12);
  color:#ffd8c5;
  border:1px solid rgba(255,106,42,.22);
  font-size:.8rem;
  font-weight:700;
}

.badge-purple{
  background:rgba(177,60,114,.12);
  border-color:rgba(177,60,114,.22);
  color:#f0d2e0;
}

.meta-item{
  color:var(--muted);
  font-size:.86rem;
}

.feature-body h3{
  margin:0 0 12px;
  font-size:1.42rem;
  line-height:1.36;
}

.feature-body p{
  margin:0;
  color:var(--muted);
  line-height:1.9;
}

.feature-footer{
  margin-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.news-list{
  display:grid;
  gap:16px;
}

.news-item{
  display:grid;
  grid-template-columns:110px minmax(0,1fr);
  gap:16px;
  padding:14px;
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.news-item:hover{
  transform:translateY(-2px);
  border-color:rgba(255,106,42,.28);
}

.news-thumb{
  position:relative;
  overflow:hidden;
  border-radius:16px;
  aspect-ratio:1 / 1;
  background:#241a20;
}

.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.news-content h3{
  margin:8px 0 8px;
  font-size:1.08rem;
  line-height:1.45;
}

.news-content h3 a:hover{
  color:#ffcfb9;
}

.news-content p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.78;
}

.empty-state{
  min-height:100%;
  padding:34px 28px;
  display:grid;
  place-items:center;
  text-align:center;
  border-style:dashed;
  background:linear-gradient(180deg, rgba(32,25,29,.92), rgba(22,16,20,.92));
}

.empty-icon{
  width:64px;
  height:64px;
  border-radius:50%;
  display:grid;
  place-items:center;
  margin:0 auto 16px;
  background:rgba(255,106,42,.1);
  border:1px solid rgba(255,106,42,.18);
  color:#ffd2c0;
  font-size:1.45rem;
}

.empty-state p{
  margin:0;
  color:#f2e7df;
  font-weight:700;
  letter-spacing:.2px;
}

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

.step-card{
  position:relative;
  padding:24px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(34,26,31,.96), rgba(26,19,24,.96));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-2);
}

.step-card::before{
  content:"";
  position:absolute;
  left:24px;
  right:24px;
  top:18px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--accent), rgba(177,60,114,.85), rgba(123,44,191,.65));
  opacity:.6;
}

.step-number{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:14px;
  margin-top:14px;
  background:linear-gradient(135deg, rgba(255,106,42,.96), rgba(177,60,114,.9));
  color:#fff4ea;
  font-weight:800;
  box-shadow:0 12px 26px rgba(255,106,42,.16);
}

.step-card h3{
  margin:16px 0 10px;
  font-size:1.1rem;
}

.step-card p{
  margin:0;
  color:var(--muted);
  line-height:1.85;
}

.scene-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:var(--gap);
}

.scene-split{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(340px,1.1fr);
  gap:var(--gap);
  align-items:stretch;
}

.scene-intro{
  padding:34px;
  border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(160deg, rgba(28,21,26,.96), rgba(21,15,19,.96));
  box-shadow:var(--shadow-2);
}

.scene-intro h2{
  margin:0 0 14px;
  font-size:clamp(1.8rem, 2.4vw, 2.4rem);
  line-height:1.18;
}

.scene-intro p{
  margin:0;
  color:var(--muted);
  line-height:1.9;
}

.scene-card{
  padding:22px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(160deg, rgba(35,28,33,.96), rgba(24,18,22,.96));
  box-shadow:var(--shadow-2);
  min-height:180px;
  transition:transform .24s ease, border-color .24s ease;
}

.scene-card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,106,42,.25);
}

.scene-card .scene-icon{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:rgba(255,106,42,.12);
  border:1px solid rgba(255,106,42,.18);
  color:#ffd2c0;
  font-size:1.1rem;
}

.scene-card h3{
  margin:16px 0 8px;
  font-size:1.08rem;
}

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

.compliance-box{
  display:grid;
  grid-template-columns:92px minmax(0,1fr);
  gap:22px;
  padding:28px;
  border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(31,24,29,.96), rgba(24,18,22,.96));
  box-shadow:var(--shadow-2);
}

.compliance-visual{
  width:92px;
  min-height:100%;
  display:grid;
  place-items:start center;
}

.shield{
  width:70px;
  height:70px;
  border-radius:24px;
  display:grid;
  place-items:center;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 30%),
    linear-gradient(145deg, rgba(255,106,42,.96), rgba(177,60,114,.85));
  box-shadow:0 16px 30px rgba(255,106,42,.18);
  color:#fff4ea;
  font-size:1.8rem;
}

.compliance-content h2{
  margin:0 0 12px;
  font-size:clamp(1.5rem, 2.2vw, 2.2rem);
}

.compliance-content p{
  margin:0;
  color:var(--muted);
  line-height:1.88;
}

.compliance-list{
  margin:18px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:12px;
}

.compliance-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:#eadfd7;
}

.compliance-list li::before{
  content:"";
  flex:none;
  width:8px;
  height:8px;
  margin-top:.62em;
  border-radius:50%;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 0 0 5px rgba(255,106,42,.12);
}

.faq-grid{
  display:grid;
  gap:16px;
}

.faq-item{
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(32,25,30,.96), rgba(23,17,21,.96));
  box-shadow:var(--shadow-2);
}

.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-weight:700;
  line-height:1.5;
}

.faq-item summary::-webkit-details-marker{
  display:none;
}

.faq-item summary::after{
  content:"+";
  width:30px;
  height:30px;
  flex:none;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:rgba(255,106,42,.1);
  color:#ffd7c7;
  border:1px solid rgba(255,106,42,.16);
  transition:transform .24s ease, background-color .24s ease;
}

.faq-item[open] summary::after{
  content:"−";
  background:rgba(255,106,42,.16);
}

.faq-content{
  padding:0 22px 20px;
  color:var(--muted);
  line-height:1.88;
}

.cta-banner{
  padding:24px;
  border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at 20% 20%, rgba(255,106,42,.18), transparent 26%),
    radial-gradient(circle at 78% 32%, rgba(177,60,114,.2), transparent 24%),
    linear-gradient(145deg, rgba(34,26,31,.98), rgba(19,14,18,.98));
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}

.cta-copy{
  max-width:760px;
}

.cta-copy h2{
  margin:0 0 10px;
  font-size:clamp(1.5rem, 2.4vw, 2.4rem);
  line-height:1.18;
}

.cta-copy p{
  margin:0;
  color:#e5dbd4;
  line-height:1.86;
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}

.cta-actions .btn{
  min-width:158px;
}

.site-footer{
  margin-top:10px;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(17,13,16,.95), rgba(12,9,11,.98));
  padding:36px 0 28px;
}

.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:26px;
  align-items:start;
  padding-bottom:22px;
  border-bottom:1px solid rgba(255,255,255,.06);
}

.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
  font-weight:800;
}

.footer-note{
  margin:0;
  color:var(--muted);
  max-width:52rem;
  line-height:1.9;
}

.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px 20px;
  justify-content:flex-end;
}

.footer-links a{
  color:var(--muted);
  font-weight:600;
}

.footer-links a:hover{
  color:#ffd7c6;
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:18px;
  color:var(--muted-2);
  font-size:.92rem;
}

.footer-bottom a{
  color:#d8c7bf;
}

.footer-bottom a:hover{
  color:#ffcfb9;
}

.table-wrap{
  width:100%;
  overflow:auto;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
}

table{
  width:100%;
  border-collapse:collapse;
  min-width:560px;
  background:rgba(255,255,255,.02);
}

th,
td{
  padding:14px 16px;
  border-bottom:1px solid rgba(255,255,255,.06);
  text-align:left;
}

th{
  color:#ffe0d2;
  font-weight:700;
}

td{
  color:var(--muted);
}

blockquote{
  margin:0;
  padding:18px 20px;
  border-left:3px solid var(--accent);
  border-radius:16px;
  background:rgba(255,255,255,.03);
  color:#eadfd7;
}

figure{
  margin:0;
}

figcaption{
  margin-top:10px;
  color:var(--muted);
  font-size:.92rem;
  text-align:center;
}

.link-accent{
  color:#ffd2c1;
  text-decoration:underline;
  text-decoration-color:rgba(255,106,42,.36);
  text-underline-offset:3px;
}

.link-accent:hover{
  color:#fff4ef;
  text-decoration-color:rgba(255,106,42,.72);
}

::selection{
  background:rgba(255,106,42,.28);
  color:#fff8f2;
}

@media (max-width: 1100px){
  .hero-inner{
    grid-template-columns:1fr;
  }

  .visual-frame{
    min-height:360px;
  }

  .updates-grid,
  .scene-split,
  .compliance-box,
  .footer-top{
    grid-template-columns:1fr;
  }

  .footer-links{
    justify-content:flex-start;
  }
}

@media (max-width: 1023px){
  .site-nav,
  .header-cta{
    display:none;
  }

  .menu-toggle{
    display:inline-flex;
  }

  .mobile-drawer{
    display:block;
    max-height:0;
    overflow:hidden;
    border-bottom:1px solid transparent;
    background:rgba(18,13,16,.98);
    transition:max-height .28s ease, border-color .28s ease;
  }

  body.menu-open .mobile-drawer{
    max-height:420px;
    border-color:rgba(255,255,255,.08);
  }

  .mobile-drawer-inner{
    padding:14px 0 18px;
  }

  .mobile-nav{
    display:grid;
    gap:8px;
  }

  .mobile-nav a{
    min-height:46px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 2px;
    color:var(--muted);
    border-bottom:1px solid rgba(255,255,255,.06);
  }

  .mobile-nav a:last-child{
    border-bottom:0;
  }

  .mobile-cta{
    margin-top:14px;
    width:100%;
  }

  .entry-grid,
  .scene-grid{
    grid-template-columns:1fr 1fr;
  }

  .steps-grid{
    grid-template-columns:1fr 1fr;
  }

  .cta-banner{
    flex-direction:column;
    align-items:flex-start;
  }

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

@media (max-width: 767px){
  .container{
    width:min(100% - 24px, var(--container));
  }

  .header-inner{
    min-height:72px;
  }

  .hero{
    padding:28px 0 24px;
  }

  .hero-inner{
    padding:24px;
    border-radius:24px;
  }

  .visual-frame,
  .visual-frame img{
    min-height:290px;
  }

  .section{
    padding:44px 0;
  }

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

  .entry-grid,
  .updates-grid,
  .scene-grid,
  .steps-grid{
    grid-template-columns:1fr;
  }

  .news-item{
    grid-template-columns:88px minmax(0,1fr);
  }

  .compliance-box{
    padding:22px;
  }

  .compliance-visual{
    width:auto;
    justify-content:flex-start;
  }

  .cta-banner{
    padding:20px;
  }

  .cta-actions .btn{
    width:100%;
  }

  .site-footer{
    padding-top:30px;
  }

  .footer-bottom{
    flex-direction:column;
  }
}

@media (max-width: 520px){
  .hero h1{
    font-size:clamp(1.85rem, 10vw, 2.35rem);
  }

  .hero-lead,
  .section-lead,
  .cta-copy p,
  .footer-note,
  .compliance-content p{
    font-size:.98rem;
  }

  .hero-actions,
  .hero-points{
    gap:10px;
  }

  .btn,
  .header-cta,
  .point,
  .badge{
    width:100%;
    justify-content:center;
  }

  .visual-card{
    left:12px;
    right:12px;
    bottom:12px;
    padding:14px;
  }

  .visual-item{
    padding:10px 12px;
  }

  .entry-card,
  .step-card,
  .feature-body,
  .scene-card,
  .faq-item summary,
  .faq-content{
    padding-left:18px;
    padding-right:18px;
  }

  .entry-number{
    top:14px;
    right:14px;
  }

  .news-item{
    grid-template-columns:1fr;
  }

  .news-thumb{
    aspect-ratio:16/9;
  }

  .faq-item summary{
    gap:12px;
  }
}

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}

/* roulang page: article */
:root{
  --bg:#151013;
  --bg-2:#1b1419;
  --panel:#211a1f;
  --panel-2:#261d24;
  --panel-3:#2c2229;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,106,42,.35);
  --text:#f6efe8;
  --muted:#afa6a0;
  --muted-2:#8f8782;
  --accent:#ff6a2a;
  --accent-2:#b13c72;
  --accent-3:#7b2cbf;
  --shadow:0 18px 50px rgba(0,0,0,.34);
  --shadow-2:0 10px 26px rgba(0,0,0,.28);
  --radius-xl:32px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --container:1240px;
  --gap:24px;
  --line:1px solid var(--border);
}
*,
*::before,
*::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
  background:var(--bg);
}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 18% 18%, rgba(177,60,114,.18), transparent 26%),
    radial-gradient(circle at 82% 12%, rgba(255,106,42,.14), transparent 24%),
    radial-gradient(circle at 70% 80%, rgba(123,44,191,.10), transparent 22%),
    linear-gradient(180deg, #171115 0%, #120d11 100%);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",sans-serif;
  line-height:1.7;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(115deg, rgba(255,255,255,.03) 0, rgba(255,255,255,0) 20%),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.06), transparent 40%);
  opacity:.55;
  z-index:-1;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color .24s ease,transform .24s ease,background-color .24s ease,border-color .24s ease,box-shadow .24s ease,opacity .24s ease;
}
img{
  display:block;
  max-width:100%;
}
button,
input,
textarea,
select{
  font:inherit;
}
button{
  border:0;
  cursor:pointer;
  background:none;
  color:inherit;
}
:focus-visible{
  outline:3px solid rgba(255,106,42,.46);
  outline-offset:3px;
}
.container{
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(21,16,19,.54);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
  backdrop-filter:blur(18px);
}
.site-header.is-scrolled{
  background:rgba(21,16,19,.95);
  box-shadow:0 10px 24px rgba(0,0,0,.22);
  border-color:rgba(255,255,255,.06);
}
.header-inner{
  min-height:80px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand-mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.22), transparent 32%),
    linear-gradient(135deg, rgba(255,106,42,.98), rgba(177,60,114,.96));
  box-shadow:0 14px 30px rgba(255,106,42,.18);
  color:#fff4ea;
  font-size:18px;
}
.brand-name{
  font-size:1.02rem;
  line-height:1.1;
}
.brand-sub{
  display:block;
  margin-top:2px;
  color:var(--muted);
  font-size:.76rem;
  font-weight:600;
}
.site-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:28px;
}
.site-nav a{
  position:relative;
  color:var(--muted);
  font-size:.98rem;
  font-weight:600;
  padding:10px 0;
}
.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active{
  color:var(--text);
}
.site-nav a.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--accent), rgba(255,106,42,.35));
  box-shadow:0 0 18px rgba(255,106,42,.3);
}
.header-cta{
  margin-left:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 18px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--accent), #ff8555);
  color:#fff9f3;
  font-weight:700;
  box-shadow:0 12px 24px rgba(255,106,42,.2);
}
.header-cta:hover{
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 28px rgba(255,106,42,.24);
}
.menu-toggle{
  display:none;
  margin-left:auto;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  align-items:center;
  justify-content:center;
  gap:5px;
  flex-direction:column;
}
.menu-toggle span{
  width:18px;
  height:2px;
  border-radius:999px;
  background:var(--text);
  transition:transform .24s ease,opacity .24s ease;
}
.menu-toggle.is-open span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}
.menu-toggle.is-open span:nth-child(2){
  opacity:0;
}
.menu-toggle.is-open span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}
.mobile-drawer{
  display:none;
  border-top:1px solid rgba(255,255,255,.06);
  background:rgba(21,16,19,.98);
}
.mobile-drawer a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 18px;
  color:var(--muted);
  border-bottom:1px solid rgba(255,255,255,.06);
  font-weight:700;
}
.mobile-drawer a:hover,
.mobile-drawer a.is-active{
  color:var(--text);
  background:rgba(255,106,42,.08);
}
.btn{
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:700;
  letter-spacing:.2px;
  transition:transform .24s ease,box-shadow .24s ease,background-color .24s ease,border-color .24s ease,color .24s ease;
}
.btn:hover{
  transform:translateY(-2px);
}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), #ff8250);
  color:#fff8f0;
  box-shadow:0 14px 28px rgba(255,106,42,.18);
}
.btn-primary:hover{
  color:#fff;
  box-shadow:0 18px 34px rgba(255,106,42,.24);
}
.btn-secondary{
  background:rgba(255,255,255,.02);
  color:#f5e9e0;
  border-color:rgba(255,106,42,.28);
}
.btn-secondary:hover{
  color:#fff;
  background:rgba(255,106,42,.12);
  border-color:rgba(255,106,42,.4);
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  border:1px solid rgba(255,106,42,.22);
  background:linear-gradient(135deg, rgba(255,106,42,.12), rgba(177,60,114,.10));
  color:#ffe5d4;
  font-size:.86rem;
  font-weight:700;
}
.page-shell{
  position:relative;
  padding:42px 0 0;
}
.article-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(115deg, rgba(22,16,20,.94), rgba(34,24,31,.86)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 22% 18%, rgba(255,106,42,.24), transparent 28%),
    linear-gradient(90deg, rgba(18,13,17,.86), rgba(18,13,17,.40));
}
.article-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:34px;
  align-items:end;
  padding:46px;
}
.breadcrumb{
  margin:0 0 18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  color:var(--muted);
  font-size:.92rem;
}
.breadcrumb a{
  color:#d9ccc4;
}
.breadcrumb a:hover{
  color:var(--accent);
}
.breadcrumb .sep{
  color:rgba(255,255,255,.28);
}
.article-title{
  margin:0;
  font-size:clamp(2rem, 4.2vw, 3.4rem);
  line-height:1.16;
  letter-spacing:-.02em;
  font-weight:800;
}
.article-summary{
  margin:18px 0 0;
  max-width:760px;
  color:#e5d9d1;
  font-size:1.04rem;
  line-height:1.85;
}
.article-meta{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:34px;
  padding:0 12px;
  border-radius:999px;
  color:#e9ddd6;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.08);
  font-size:.9rem;
}
.hero-cover{
  position:relative;
  overflow:hidden;
  min-height:230px;
  border-radius:26px;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-2);
}
.hero-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:4/3;
  filter:saturate(.96) contrast(1.04);
}
.hero-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.58));
}
.cover-caption{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  z-index:1;
  color:#fff1e9;
  font-weight:800;
}
.main-layout{
  display:grid;
  grid-template-columns:minmax(0, 820px) 330px;
  gap:34px;
  align-items:start;
  padding:56px 0 88px;
}
.content-card{
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(38,29,36,.86), rgba(30,23,28,.92));
  box-shadow:var(--shadow-2);
  overflow:hidden;
}
.article-body{
  padding:42px;
  color:#eee4dd;
  font-size:1.06rem;
  line-height:1.88;
}
.article-body h2{
  position:relative;
  margin:2.15em 0 .75em;
  padding-left:18px;
  color:var(--text);
  font-size:1.72rem;
  line-height:1.34;
  font-weight:800;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  width:5px;
  height:1.1em;
  border-radius:999px;
  background:linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow:0 0 18px rgba(255,106,42,.24);
}
.article-body h3{
  margin:1.75em 0 .65em;
  color:#fff4ec;
  font-size:1.28rem;
  line-height:1.45;
  font-weight:750;
}
.article-body p{
  margin:0 0 1.15em;
}
.article-body a{
  color:#ff9a6b;
  border-bottom:1px solid rgba(255,106,42,.35);
}
.article-body a:hover{
  color:#ffc0a0;
  border-color:rgba(255,106,42,.8);
}
.article-body ul,
.article-body ol{
  margin:1em 0 1.3em;
  padding-left:1.35em;
}
.article-body li{
  margin:.45em 0;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:4px solid var(--accent);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  background:rgba(255,255,255,.045);
  color:#eadfd8;
}
.article-body figure{
  margin:1.7em 0;
}
.article-body figure img{
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
}
.article-body figcaption{
  margin-top:10px;
  color:var(--muted);
  font-size:.92rem;
  text-align:center;
}
.article-body table{
  width:100%;
  margin:1.4em 0;
  border-collapse:collapse;
  overflow:hidden;
  border-radius:16px;
  font-size:.96rem;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.08);
}
.article-body th{
  background:rgba(255,106,42,.12);
  color:#fff2ea;
}
.article-body td{
  background:rgba(255,255,255,.025);
}
.article-body .table-wrap{
  width:100%;
  overflow-x:auto;
}
.empty-article{
  padding:54px 42px;
  text-align:center;
}
.empty-icon{
  width:66px;
  height:66px;
  margin:0 auto 18px;
  display:grid;
  place-items:center;
  border-radius:24px;
  background:linear-gradient(135deg, rgba(255,106,42,.20), rgba(177,60,114,.16));
  border:1px solid rgba(255,106,42,.22);
  font-size:1.55rem;
}
.empty-article h1{
  margin:0 0 10px;
  font-size:2rem;
  font-weight:800;
}
.empty-article p{
  margin:0 auto 22px;
  max-width:560px;
  color:var(--muted);
}
.sidebar{
  position:sticky;
  top:104px;
  display:grid;
  gap:18px;
}
.side-card{
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(38,29,36,.86), rgba(30,23,28,.88));
  box-shadow:0 12px 32px rgba(0,0,0,.18);
  padding:22px;
}
.side-card h2,
.side-card h3{
  margin:0 0 14px;
  font-size:1.1rem;
  font-weight:800;
}
.side-card p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
}
.tip-list{
  display:grid;
  gap:12px;
  margin:0;
  padding:0;
  list-style:none;
}
.tip-list li{
  display:flex;
  gap:10px;
  color:#e8ded7;
  font-size:.95rem;
}
.tip-list li::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:.68em;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 14px rgba(255,106,42,.38);
}
.mini-links{
  display:grid;
  gap:10px;
}
.mini-link{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:13px 14px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.07);
  background:rgba(255,255,255,.025);
  color:#eadfd8;
  font-weight:700;
}
.mini-link:hover{
  color:#fff;
  border-color:rgba(255,106,42,.32);
  background:rgba(255,106,42,.08);
  transform:translateY(-2px);
}
.reading-note{
  position:relative;
  overflow:hidden;
}
.reading-note::after{
  content:"";
  position:absolute;
  right:-34px;
  top:-34px;
  width:100px;
  height:100px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,106,42,.16), transparent 68%);
}
.section{
  padding:0 0 88px;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:22px;
  margin-bottom:24px;
}
.section-kicker{
  margin:0 0 8px;
  color:#ffb08a;
  font-weight:800;
  font-size:.92rem;
}
.section-title{
  margin:0;
  font-size:clamp(1.55rem, 2.8vw, 2.35rem);
  line-height:1.24;
  font-weight:850;
}
.section-desc{
  margin:0;
  max-width:560px;
  color:var(--muted);
}
.related-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:22px;
}
.related-card{
  position:relative;
  overflow:hidden;
  min-height:210px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(145deg, rgba(38,29,36,.92), rgba(28,21,26,.9));
  box-shadow:var(--shadow-2);
  transition:transform .24s ease,border-color .24s ease,background-color .24s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,106,42,.34);
}
.related-card.featured{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
}
.related-card img{
  width:100%;
  height:100%;
  min-height:230px;
  object-fit:cover;
  opacity:.78;
}
.related-content{
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.related-meta{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-bottom:12px;
  color:var(--muted);
  font-size:.86rem;
}
.related-card h3{
  margin:0 0 10px;
  color:#fff4ed;
  font-size:1.22rem;
  line-height:1.42;
  font-weight:820;
}
.related-card p{
  margin:0 0 18px;
  color:var(--muted);
}
.related-stack{
  display:grid;
  gap:18px;
}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(120deg, rgba(255,106,42,.14), rgba(177,60,114,.10)),
    linear-gradient(145deg, rgba(38,29,36,.92), rgba(21,16,19,.96));
  box-shadow:var(--shadow);
  padding:36px;
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:230px;
  height:230px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,106,42,.24), transparent 66%);
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-panel h2{
  margin:0 0 8px;
  font-size:clamp(1.45rem, 2.6vw, 2.1rem);
  font-weight:850;
}
.cta-panel p{
  margin:0;
  max-width:680px;
  color:#e4d8d0;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex:0 0 auto;
}
.site-footer{
  background:#100c0f;
  border-top:1px solid rgba(255,255,255,.08);
  padding:48px 0 28px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(260px, .55fr);
  gap:42px;
  align-items:start;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
}
.footer-note{
  margin:16px 0 0;
  max-width:650px;
  color:var(--muted);
  font-size:.96rem;
}
.footer-links{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:12px 18px;
}
.footer-links a{
  color:var(--muted);
  font-weight:650;
}
.footer-links a:hover{
  color:var(--accent);
}
.footer-bottom{
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  color:var(--muted-2);
  font-size:.9rem;
}
.footer-bottom a{
  color:#d9ccc4;
}
.footer-bottom a:hover{
  color:var(--accent);
}
.back-top{
  position:fixed;
  right:18px;
  bottom:18px;
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(33,26,31,.90);
  color:#fff0e6;
  box-shadow:0 12px 28px rgba(0,0,0,.25);
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,border-color .24s ease,background-color .24s ease;
  z-index:40;
}
.back-top.is-visible{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}
.back-top:hover{
  background:rgba(255,106,42,.18);
  border-color:rgba(255,106,42,.35);
}
@media (max-width: 1100px){
  .article-hero-inner{
    grid-template-columns:1fr;
  }
  .hero-cover{
    max-width:520px;
  }
  .main-layout{
    grid-template-columns:1fr;
  }
  .sidebar{
    position:static;
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
  .related-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width: 900px){
  .site-nav,
  .header-cta{
    display:none;
  }
  .menu-toggle{
    display:flex;
  }
  .mobile-drawer.is-open{
    display:block;
  }
  .header-inner{
    min-height:70px;
  }
  .article-hero-inner{
    padding:34px;
  }
  .sidebar{
    grid-template-columns:1fr;
  }
  .cta-inner{
    align-items:flex-start;
    flex-direction:column;
  }
  .footer-top{
    grid-template-columns:1fr;
  }
}
@media (max-width: 768px){
  .container{
    width:min(100% - 28px, var(--container));
  }
  .page-shell{
    padding-top:28px;
  }
  .article-hero{
    border-radius:24px;
  }
  .article-hero-inner{
    padding:26px;
  }
  .article-title{
    font-size:clamp(1.8rem, 8vw, 2.35rem);
  }
  .article-summary{
    font-size:1rem;
  }
  .main-layout{
    padding:34px 0 62px;
    gap:22px;
  }
  .article-body{
    padding:28px 22px;
    font-size:1rem;
  }
  .article-body h2{
    font-size:1.42rem;
  }
  .article-body h3{
    font-size:1.16rem;
  }
  .related-card.featured{
    grid-template-columns:1fr;
  }
  .related-card img{
    min-height:190px;
  }
  .section{
    padding-bottom:64px;
  }
  .section-head{
    display:block;
  }
  .section-desc{
    margin-top:10px;
  }
  .cta-panel{
    padding:28px 22px;
    border-radius:24px;
  }
  .cta-actions,
  .cta-actions .btn{
    width:100%;
  }
  .footer-links{
    grid-template-columns:1fr;
  }
  .footer-bottom{
    display:block;
  }
  .footer-bottom div + div{
    margin-top:10px;
  }
}
@media (max-width: 520px){
  .brand-name{
    font-size:.94rem;
  }
  .brand-sub{
    font-size:.7rem;
  }
  .brand-mark{
    width:36px;
    height:36px;
    border-radius:13px;
  }
  .article-hero-inner{
    padding:22px 18px;
  }
  .breadcrumb{
    font-size:.86rem;
  }
  .article-meta{
    gap:8px;
  }
  .meta-pill{
    font-size:.82rem;
  }
  .hero-cover{
    min-height:190px;
  }
  .content-card{
    border-radius:24px;
  }
  .empty-article{
    padding:42px 22px;
  }
  .btn{
    width:100%;
  }
  .side-card{
    padding:18px;
  }
  .back-top{
    right:12px;
    bottom:12px;
  }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}