/* roulang page: index */
:root{
  --bg-0:#0A0614;
  --bg-1:#120C22;
  --surface:#1A1230;
  --surface-2:#221738;
  --brand-1:#7A3BFF;
  --brand-2:#FF2E7E;
  --brand-grad:linear-gradient(120deg,#7A3BFF,#FF2E7E);
  --accent:#C8FF4D;
  --text-1:#F4F1FF;
  --text-2:#B4AACD;
  --text-3:#7E7595;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --shadow-card:0 8px 32px -16px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.35),0 16px 44px -14px rgba(122,59,255,.45);
  --r-xs:12px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:28px;
  --r-pill:999px;
  --sp:96px;
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text-1);
  --bs-link-color:var(--text-1);
  --bs-link-hover-color:var(--brand-2);
  --bs-border-color:var(--line);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  padding-top:64px;
}
img{max-width:100%;display:block;}
a{color:var(--text-1);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-2);}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
p{margin:0;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.container, .container-lg{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}
.section{padding:var(--sp) 0;}
.section-alt{background:var(--bg-1);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--accent);
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-tag::before{
  content:"";
  width:22px;height:2px;border-radius:2px;
  background:var(--brand-grad);
}
.section-title{
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
}
.section-desc{
  color:var(--text-2);
  font-size:15px;
  max-width:640px;
  margin-top:14px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  white-space:nowrap;
  padding:10px 0;
}
.text-link i{transition:transform .25s ease,color .25s ease;}
.text-link:hover{color:var(--brand-2);}
.text-link:hover i{transform:translateX(4px);color:var(--brand-2);}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-brand{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 12px 32px -14px rgba(122,59,255,.85);
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 18px 40px -14px rgba(255,46,126,.75);color:#fff;}
.btn-brand:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand-1);background:rgba(122,59,255,.12);color:var(--text-1);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:#0B0713;
  transition:height .28s ease,background .28s ease,backdrop-filter .28s ease;
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,rgba(122,59,255,.9),rgba(255,46,126,.9),rgba(255,255,255,0));
  opacity:.5;
}
.site-header.is-stuck{
  backdrop-filter:blur(12px);
  background:rgba(11,7,19,.92);
  box-shadow:0 12px 40px -22px rgba(0,0,0,1);
}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .28s ease;
}
.site-header.is-stuck .header-inner{height:56px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--brand-grad);
  position:relative;
  box-shadow:0 8px 24px -10px rgba(122,59,255,.9);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";
  position:absolute;
  inset:11px;
  border-radius:4px;
  border:2px solid rgba(255,255,255,.92);
  border-right-color:transparent;
  border-bottom-color:transparent;
  transform:rotate(45deg);
}
.logo-mark::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  transform:translate(-50%,-50%);
}
.logo-text{
  font-size:17px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:text-shadow .25s ease;
}
.logo:hover .logo-text{text-shadow:0 0 14px rgba(122,59,255,.85);}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-xs);
  transition:color .22s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:translateX(-50%) scaleX(0);
  opacity:0;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);opacity:.4;}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{
  transform:translateX(-50%) scaleX(1);
  opacity:1;
  box-shadow:0 0 8px rgba(255,46,126,.9);
}
.header-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:transparent;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text-1);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;border-radius:2px;background:var(--text-1);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:64px 0 0 0;
  background:rgba(10,6,20,.98);
  z-index:1020;
  padding:16px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:4px;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
  overflow-y:auto;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--text-1);
}
.drawer-link i{color:var(--text-3);}
.drawer .btn-brand{width:100%;margin-top:24px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:76px 0 88px;
  background-image:
    linear-gradient(180deg,rgba(10,6,20,.55) 0%,rgba(10,6,20,.86) 62%,#0A0614 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  left:50%;top:-160px;
  width:720px;height:420px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(122,59,255,.32),rgba(122,59,255,0));
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hero-title{
  font-size:clamp(28px,4.2vw,52px);
  line-height:1.2;
  font-weight:700;
  margin-bottom:20px;
}
.hero-title em{
  font-style:normal;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:36px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:#16102A;
  border:1px solid rgba(200,255,77,.25);
  font-size:13px;
  color:var(--text-2);
}
.stat-pill b{
  font-size:20px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.hero-visual{position:relative;}
.hero-card{
  position:relative;
  border-radius:var(--r-xl);
  padding:10px;
  background:linear-gradient(140deg,rgba(122,59,255,.6),rgba(255,46,126,.34),rgba(255,255,255,.06));
  box-shadow:0 0 48px -14px rgba(122,59,255,.6);
}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:22px;
}
.hero-card-badge{
  position:absolute;
  left:26px;bottom:26px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border-radius:var(--r-pill);
  background:rgba(10,6,20,.82);
  border:1px solid rgba(200,255,77,.25);
  font-size:13px;
  color:var(--text-2);
}
.hero-card-badge i{color:var(--accent);}

/* ---------- 三步上手 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.step-card{
  position:relative;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  min-height:320px;
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.step-card:nth-child(2){margin-top:24px;min-height:296px;}
.step-card:nth-child(3){margin-top:48px;min-height:272px;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:transparent;}
.step-num{
  position:absolute;
  right:18px;top:6px;
  font-size:72px;
  font-weight:700;
  line-height:1;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  opacity:.18;
  font-variant-numeric:tabular-nums;
}
.step-icon{
  width:48px;height:48px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(122,59,255,.16);
  border:1px solid rgba(122,59,255,.35);
  color:var(--accent);
  font-size:20px;
  margin-bottom:22px;
}
.step-card h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.step-card p{color:var(--text-2);font-size:15px;margin-bottom:20px;}

/* ---------- 特色 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:24px;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.feature-lead{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:
    linear-gradient(160deg,rgba(122,59,255,.24),rgba(10,6,20,0) 70%),
    var(--surface);
  min-height:100%;
}
.feature-lead h3{font-size:24px;line-height:1.35;margin-bottom:14px;}
.feature-lead p{color:var(--text-2);font-size:15px;margin-bottom:24px;}
.feature-lead img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-md);
  border:1px solid var(--line);
}
.feature-side{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.feature-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:transparent;}
.feature-item i{
  font-size:18px;
  color:var(--accent);
  margin-bottom:14px;
  display:block;
}
.feature-item h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.feature-item p{color:var(--text-2);font-size:14px;line-height:1.85;}

/* ---------- 分类入口 ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.cat-card{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.cat-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.cat-card:hover img{transform:scale(1.03);}
.cat-body{padding:24px 26px 28px;}
.cat-body h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.cat-body p{color:var(--text-2);font-size:14px;margin-bottom:16px;}
.cat-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:13px;
  background:rgba(122,59,255,.16);
  border:1px solid rgba(122,59,255,.35);
  color:var(--text-1);
}
.tag-accent{
  background:rgba(200,255,77,.12);
  border-color:rgba(200,255,77,.3);
  color:var(--accent);
}

/* ---------- 案例证明 ---------- */
.proof{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:24px;
  align-items:stretch;
}
.proof-main{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-card);
}
.proof-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.proof-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 26px;
  border-top:1px solid var(--line);
}
.proof-bar h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.proof-bar p{color:var(--text-2);font-size:14px;}
.proof-badge{
  flex:0 0 auto;
  text-align:center;
  padding:14px 20px;
  border-radius:var(--r-md);
  background:#16102A;
  border:1px solid rgba(200,255,77,.25);
}
.proof-badge b{
  display:block;
  font-size:28px;
  font-weight:700;
  color:var(--accent);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.proof-badge span{font-size:12px;color:var(--text-2);}
.quotes{
  display:grid;
  gap:24px;
}
.quote-card{
  position:relative;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 24px 24px 30px;
  box-shadow:var(--shadow-card);
}
.quote-card::before{
  content:"";
  position:absolute;
  left:0;top:24px;bottom:24px;
  width:3px;
  border-radius:3px;
  background:var(--brand-grad);
}
.quote-mark{
  font-size:30px;
  line-height:1;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-bottom:12px;
}
.quote-card p{font-size:15px;color:var(--text-1);margin-bottom:16px;}
.quote-name{font-size:13px;color:var(--text-3);}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:24px;
}
.news-card{
  display:block;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.news-card:hover .news-title{color:var(--brand-1);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb{overflow:hidden;background:linear-gradient(135deg,#231640,#150C2B);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.news-body{padding:22px 24px 24px;}
.news-card-lg .news-body{padding:24px 26px 28px;}
.news-title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin:12px 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .25s ease;
}
.news-card-lg .news-title{font-size:21px;}
.news-desc{
  color:var(--text-2);
  font-size:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.news-side{
  display:grid;
  gap:16px;
  align-content:start;
}
.news-card-sm{
  display:grid;
  grid-template-columns:112px 1fr;
  align-items:stretch;
}
.news-card-sm .news-thumb{height:100%;}
.news-card-sm .news-thumb img{
  width:112px;
  height:100%;
  min-height:112px;
  aspect-ratio:auto;
  object-fit:cover;
}
.news-card-sm .news-body{padding:16px 18px;}
.news-card-sm .news-title{font-size:16px;margin:8px 0 8px;}
.news-card-sm .news-desc{margin-bottom:10px;font-size:13px;}
.empty-state{
  grid-column:1 / -1;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:14px;
  padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-xl);
  background:var(--bg-1);
}
.empty-state i{font-size:26px;color:var(--text-3);}
.empty-state p{color:var(--text-2);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  align-items:start;
}
.faq-acc{border:none;}
.faq-item{
  background:#16102A;
  border:none;
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item .accordion-button{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:20px 22px;
  background:#16102A;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  box-shadow:none !important;
  border:none;
  border-radius:var(--r-md);
  position:relative;
  text-align:left;
}
.faq-item .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--text-3);
  background:none;
  width:auto;height:auto;
  margin-left:auto;
  transition:transform .28s ease,color .28s ease;
}
.faq-item .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  color:var(--brand-2);
}
.faq-item .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:3px;
  background:var(--brand-grad);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .28s ease;
}
.faq-item .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.faq-idx{
  font-size:13px;
  font-weight:700;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  transition:color .28s ease;
  flex:0 0 auto;
}
.faq-item .accordion-button:not(.collapsed) .faq-idx{color:var(--accent);}
.faq-q{flex:1 1 auto;}
.faq-item .accordion-body{
  padding:0 22px 22px 50px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  padding:56px;
  background-image:
    linear-gradient(120deg,rgba(122,59,255,.85),rgba(255,46,126,.72)),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  box-shadow:0 30px 80px -40px rgba(122,59,255,.9);
}
.cta-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:start;
}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:16px;}
.cta-panel p.lead{
  font-size:15px;
  color:rgba(255,255,255,.88);
  margin-bottom:24px;
  max-width:460px;
}
.cta-points{display:grid;gap:12px;margin-bottom:28px;}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.92);
}
.cta-points i{color:#0A0614;margin-top:5px;font-size:13px;}
.form-card{
  background:rgba(10,6,20,.55);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-xl);
  padding:28px;
  backdrop-filter:blur(6px);
}
.form-card label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.86);
  margin-bottom:8px;
}
.form-card .form-control{
  width:100%;
  min-height:48px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  background:#140E24;
  border:1px solid var(--line-strong);
  color:var(--text-1);
  font-size:15px;
  margin-bottom:6px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.form-card textarea.form-control{min-height:104px;resize:vertical;line-height:1.8;}
.form-card .form-control::placeholder{color:var(--text-3);}
.form-card .form-control:focus{
  border-color:var(--brand-1);
  box-shadow:0 0 0 12px rgba(122,59,255,.16);
  background:#140E24;
  color:var(--text-1);
}
.form-hint{
  font-size:12px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
  display:block;
}
.form-card .btn-brand{width:100%;background:#0A0614;color:#fff;box-shadow:0 14px 34px -16px rgba(0,0,0,1);}
.form-card .btn-brand:hover{background:linear-gradient(120deg,#7A3BFF,#FF2E7E);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  position:relative;
  padding:72px 0 28px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,rgba(122,59,255,.8),rgba(255,46,126,.6),rgba(255,255,255,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  color:var(--text-1);
}
.footer-col p{font-size:14px;color:var(--text-2);}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand-2);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
}
.footer-contact i{color:var(--brand-1);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:var(--surface-2);
  color:var(--text-1);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s,box-shadow .28s ease;
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:0 0 0 1px rgba(122,59,255,.6),0 0 24px rgba(122,59,255,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .cta-grid{gap:32px;}
}
@media (max-width:991px){
  body{padding-top:56px;}
  .header-inner{height:56px;}
  .site-header.is-stuck .header-inner{height:56px;}
  .nav-list,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .drawer{inset:56px 0 0 0;}
  :root{--sp:72px;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:560px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
  .steps{grid-template-columns:1fr 1fr;}
  .step-card,.step-card:nth-child(2),.step-card:nth-child(3){margin-top:0;min-height:auto;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-columns:1fr 1fr;}
  .proof{grid-template-columns:1fr;}
  .quotes{grid-auto-flow:column;grid-auto-columns:78vw;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .quotes::-webkit-scrollbar{display:none;}
  .quote-card{scroll-snap-align:start;}
  .news-grid{grid-template-columns:1fr;}
  .news-card-sm{grid-template-columns:100px 1fr;}
  .news-card-sm .news-thumb img{width:100px;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-panel{padding:36px 28px;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sp:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step-card{padding:24px;}
  .feature-side{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .hero-card img{aspect-ratio:16/11;}
  .hero-stats{gap:10px;}
  .stat-pill{padding:9px 14px;font-size:12px;}
  .stat-pill b{font-size:18px;}
  .proof-bar{flex-direction:column;align-items:flex-start;}
  .proof-badge{width:100%;}
  .cta-panel{padding:28px 20px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .news-card-sm{grid-template-columns:96px 1fr;}
  .news-card-sm .news-thumb img{width:96px;}
}
@media (max-width:575px){
  .hero-title{font-size:27px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .news-card-sm{grid-template-columns:1fr;}
  .news-card-sm .news-thumb img{width:100%;min-height:160px;aspect-ratio:16/9;}
  .faq-item .accordion-button{font-size:15px;padding:18px;}
  .faq-item .accordion-body{padding:0 18px 20px 42px;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0614;
  --bg-1:#120C22;
  --surface:#1A1230;
  --surface-2:#221738;
  --panel:#16102A;
  --brand-1:#7A3BFF;
  --brand-2:#FF2E7E;
  --brand-grad:linear-gradient(120deg,#7A3BFF,#FF2E7E);
  --accent:#C8FF4D;
  --text-1:#F4F1FF;
  --text-2:#B4AACD;
  --text-3:#7E7595;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-sm:14px;
  --radius-img:16px;
  --radius-card:24px;
  --radius-lg:28px;
  --shadow-card:0 8px 32px -16px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.35),0 16px 44px -14px rgba(122,59,255,.45);
  --container:1200px;
  --sec-y:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,46,126,.35);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.sec{padding:var(--sec-y) 0;}
.sec-tight{padding:64px 0;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#0B0713;
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,box-shadow .28s ease;
}
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,#7A3BFF,#FF2E7E 45%,transparent);
  opacity:.5;pointer-events:none;
}
.site-header.is-stuck{
  background:rgba(11,7,19,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 12px 34px -22px rgba(122,59,255,.9);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;transition:height .28s ease;}
.site-header.is-stuck .header-inner{height:56px;}
.logo{display:flex;align-items:center;gap:10px;height:36px;flex:0 0 auto;}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:9px;
  background:var(--brand-grad);
  box-shadow:0 0 18px -2px rgba(122,59,255,.75);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:10px;height:10px;
  background:#0A0614;border-radius:2px;transform:rotate(45deg);
}
.logo-text{font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.logo:hover .logo-text{color:#fff;text-shadow:0 0 14px rgba(255,46,126,.55);}

.nav-list{display:flex;align-items:center;justify-content:center;gap:2px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--text-2);border-radius:999px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--brand-grad);opacity:0;transition:opacity .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{opacity:.4;}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{opacity:1;box-shadow:0 0 8px rgba(255,46,126,.8);}
.header-cta{flex:0 0 auto;display:flex;align-items:center;}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  background:var(--brand-grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 20px -10px rgba(255,46,126,.9);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 32px -10px rgba(255,46,126,.95);color:#fff;}
.btn-brand:active{transform:translateY(0);filter:brightness(.94);}
.btn-brand.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-brand.btn-lg{height:52px;padding:0 28px;font-size:16px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  font-size:15px;font-weight:500;transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{border-color:var(--brand-1);background:rgba(122,59,255,.12);transform:translateY(-1px);color:#fff;}
.btn-ghost.btn-lg{height:52px;padding:0 28px;font-size:16px;}

.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--brand-2);
}
.text-link i{transition:transform .22s ease;}
.text-link:hover{color:#fff;}
.text-link:hover i{transform:translateX(4px);}

.nav-toggle{
  display:none;position:relative;width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--line-strong);border-radius:12px;background:transparent;
}
.nav-toggle::before,.nav-toggle::after,.nav-toggle span{
  content:"";position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--text-1);transition:transform .25s ease,opacity .25s ease,top .25s ease;
}
.nav-toggle::before{top:15px;}
.nav-toggle span{top:21px;}
.nav-toggle::after{top:27px;}
body.nav-open .nav-toggle::before{top:21px;transform:rotate(45deg);}
body.nav-open .nav-toggle span{opacity:0;}
body.nav-open .nav-toggle::after{top:21px;transform:rotate(-45deg);}

/* ============ Article band ============ */
.article-band{
  position:relative;
  padding:52px 0 40px;
  background-image:linear-gradient(180deg,rgba(10,6,20,.70),rgba(10,6,20,.96)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb-nav a{color:var(--text-3);}
.breadcrumb-nav a:hover{color:var(--brand-2);}
.breadcrumb-nav .sep{color:rgba(255,255,255,.22);}
.breadcrumb-nav .crumb-cat{color:var(--accent);}
.breadcrumb-nav .current{color:var(--text-2);}

.article-title{
  margin:18px 0 0;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.24;
  font-weight:700;
  max-width:900px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;margin-top:20px;}
.badge-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(122,59,255,.18);border:1px solid rgba(122,59,255,.45);
  color:#DCD0FF;font-size:13px;font-weight:500;
}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.meta-item i{font-size:13px;color:var(--text-3);}
.article-divider{height:1px;margin-top:28px;background:linear-gradient(90deg,#7A3BFF,#FF2E7E 55%,transparent);opacity:.45;}

/* ============ Article layout ============ */
.article-main{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;}
.article-content{min-width:0;max-width:780px;}

.article-body{font-size:17px;line-height:1.9;color:#E9E4F8;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;margin:2.2em 0 .8em;padding-left:16px;
  font-size:clamp(21px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand-grad);
}
.article-body h3{margin:1.8em 0 .6em;font-size:20px;line-height:1.5;font-weight:600;color:var(--text-1);}
.article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--text-1);}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:0;}
.article-body li{margin:.4em 0;position:relative;padding-left:20px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--accent);
}
.article-body ol{counter-reset:art-ol;}
.article-body ol li{counter-increment:art-ol;padding-left:28px;}
.article-body ol li::before{
  content:counter(art-ol);position:absolute;left:0;top:.05em;font-size:14px;font-weight:700;color:var(--brand-2);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  position:relative;margin:1.5em 0;padding:18px 24px 18px 26px;
  background:var(--panel);border-radius:0 16px 16px 0;color:var(--text-2);
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:3px;background:var(--brand-grad);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.5em 0 12px;}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-bottom:1.5em;}
.article-body a{color:#CBB3FF;border-bottom:1px solid rgba(203,179,255,.4);}
.article-body a:hover{color:#fff;border-color:var(--brand-2);}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--panel);color:var(--text-1);font-weight:600;font-size:14px;}
.article-body td{color:var(--text-2);}
.article-body code{
  padding:2px 7px;border-radius:8px;background:var(--surface-2);
  font-size:.92em;color:var(--accent);
}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0;}

/* tags */
.tag-block{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);}
.tag-label{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 15px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);font-size:13px;
  transition:border-color .22s ease,color .22s ease,background-color .22s ease;
}
.tag:hover{border-color:var(--brand-1);color:#fff;background:rgba(122,59,255,.16);}

/* prev / next */
.pager-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.pager-card{
  display:block;padding:20px;border-radius:20px;background:var(--surface);border:1px solid var(--line);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pager-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:transparent;}
.pager-card .pager-dir{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-bottom:8px;}
.pager-card .pager-title{display:block;font-size:15px;font-weight:600;color:var(--text-1);line-height:1.5;}
.pager-card:hover .pager-title{color:#EADFFF;}
.pager-card.is-next{text-align:right;}

.back-row{margin-top:26px;}
.empty-state{
  padding:56px 28px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:var(--brand-grad);opacity:.85;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;max-width:420px;margin:0 auto 22px;}

/* sidebar */
.article-side{min-width:0;}
.side-sticky{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  padding:22px;border-radius:20px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.side-card h3{font-size:15px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-2);font-size:13px;}
.side-list{display:grid;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.65;}
.side-list li i{color:var(--accent);font-size:12px;margin-top:6px;}
.side-links{display:grid;gap:8px;}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:14px;background:var(--surface-2);font-size:14px;color:var(--text-2);
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.side-link i{font-size:12px;transition:transform .22s ease;}
.side-link:hover{background:rgba(122,59,255,.18);color:#fff;}
.side-link:hover i{transform:translateX(4px);}

/* ============ Section head ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
.sec-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;}

/* ============ Related cards ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:transparent;}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-thumb::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,6,20,.05),rgba(10,6,20,.75));
}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5;}
.rel-card:hover .rel-body h3{color:#E6D9FF;}
.rel-body p{font-size:13px;color:var(--text-3);line-height:1.7;margin:0;}
.rel-badge{
  position:absolute;left:14px;top:14px;z-index:2;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(11,7,19,.78);border:1px solid var(--line-strong);font-size:12px;color:var(--text-1);
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:56px;
  background-image:linear-gradient(120deg,rgba(122,59,255,.94),rgba(255,46,126,.88)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-panel h2{font-size:clamp(22px,2.8vw,32px);line-height:1.32;}
.cta-panel p{margin:14px 0 0;color:rgba(255,255,255,.9);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 28px;border-radius:999px;
  background:#fff;color:#2A0B4F;font-size:16px;font-weight:600;transition:transform .22s ease,box-shadow .22s ease;
}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(0,0,0,.8);color:#2A0B4F;}
.cta-outline{
  display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 28px;border-radius:999px;
  border:1px solid rgba(255,255,255,.55);color:#fff;font-size:16px;font-weight:500;
  transition:background-color .22s ease,border-color .22s ease;
}
.cta-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}
.cta-side{
  background:rgba(11,7,19,.55);border:1px solid rgba(255,255,255,.2);border-radius:22px;padding:26px;
  display:grid;gap:14px;
}
.cta-side .row{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.92);}
.cta-side .row i{color:var(--accent);margin-top:5px;font-size:13px;}

/* ============ Footer ============ */
.site-footer{
  margin-top:var(--sec-y);
  background:var(--bg-1);
  position:relative;
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,#7A3BFF,#FF2E7E 50%,transparent);opacity:.5;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8;margin:0;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-1);}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand-2);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.footer-contact li i{color:var(--brand-2);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ To top ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;z-index:90;
  background:var(--surface);border:1px solid var(--line-strong);color:var(--text-1);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{box-shadow:0 0 0 1px rgba(122,59,255,.5),0 0 22px -4px rgba(255,46,126,.7);color:#fff;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-content{max-width:780px;}
  .side-sticky{position:static;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .nav-list{
    position:fixed;left:0;right:0;top:56px;bottom:0;
    display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;
    gap:0;padding:16px 20px 32px;
    background:#0B0713;border-top:1px solid var(--line);
    transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
  }
  body.nav-open .nav-list{transform:translateX(0);}
  .nav-link{
    height:56px;width:100%;padding:0;border-radius:0;font-size:16px;
    border-bottom:1px solid var(--line);justify-content:space-between;
  }
  .nav-link::after{display:none;}
  .nav-link::before{
    content:"\203A";position:absolute;right:0;top:50%;transform:translateY(-50%);
    color:var(--text-3);font-size:20px;line-height:1;
  }
  .nav-toggle{display:block;margin-left:auto;}
  .header-inner{gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{padding:40px;grid-template-columns:1fr;gap:28px;}
  .article-band{padding:40px 0 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  :root{--sec-y:56px;}
  .header-cta{display:none;}
  .rel-grid{grid-template-columns:1fr;}
  .pager-row{grid-template-columns:1fr;}
  .pager-card.is-next{text-align:left;}
  .article-main{padding:40px 0 56px;}
  .article-body{font-size:16px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px;border-radius:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:16px;}
  .logo-text{font-size:15px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0614;
  --bg-1:#120C22;
  --surface:#1A1230;
  --surface-2:#221738;
  --brand-1:#7A3BFF;
  --brand-2:#FF2E7E;
  --brand-grad:linear-gradient(120deg,#7A3BFF,#FF2E7E);
  --accent:#C8FF4D;
  --text-1:#F4F1FF;
  --text-2:#B4AACD;
  --text-3:#7E7595;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-sm:14px;
  --r-md:16px;
  --r-card:24px;
  --r-lg:28px;
  --shadow-card:0 8px 32px -16px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.35),0 16px 44px -14px rgba(122,59,255,.45);
  --section-y:96px;
  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--text-2);
  --bs-link-color:var(--text-1);
  --bs-link-hover-color:var(--brand-2);
  --bs-border-color:var(--line);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-1);font-weight:700;letter-spacing:.01em;margin:0;line-height:1.3;}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.2;}
h2{font-size:clamp(22px,2.6vw,34px);}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

.section{padding:var(--section-y) 0;}
@media (max-width:991px){.section{padding:72px 0;}}
@media (max-width:767px){.section{padding:56px 0;}}

.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head h2{position:relative;padding-left:18px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand-grad);}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.06em;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#0B0713;
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2),transparent);
  opacity:.5;
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled{background:rgba(11,7,19,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);}
.site-header.is-scrolled .header-inner{height:56px;}

.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:12px;
  background:var(--brand-grad);
  box-shadow:0 0 18px -6px rgba(122,59,255,.95);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";position:absolute;top:11px;left:14px;
  border-style:solid;border-width:7px 0 7px 12px;
  border-color:transparent transparent transparent #fff;
}
.logo-text{font-size:17px;font-weight:600;color:var(--text-1);letter-spacing:.01em;transition:text-shadow .25s ease;}
.logo:hover .logo-text{text-shadow:0 0 14px rgba(255,46,126,.75);color:var(--text-1);}

.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;font-size:15px;color:var(--text-2);border-radius:999px;
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:7px;height:2px;border-radius:2px;
  background:var(--brand-grad);opacity:0;transition:opacity .2s ease;
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{opacity:.4;}
.nav-link.active{color:var(--text-1);font-weight:600;}
.nav-link.active::after{opacity:1;box-shadow:0 0 8px rgba(255,46,126,.85);}

.header-cta{flex:0 0 auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border:0;border-radius:999px;
  background:var(--brand-grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 26px -14px rgba(122,59,255,.95);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,color .2s ease;
  cursor:pointer;
}
.btn-brand:hover,.btn-brand:hover:focus{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 32px -12px rgba(255,46,126,.8);}
.btn-brand:active{transform:translateY(1px);filter:brightness(.94);}
.btn-brand:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-brand.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-brand.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-brand.btn-block{width:100%;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:999px;
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  font-size:15px;font-weight:500;transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--brand-1);background:rgba(122,59,255,.12);color:var(--text-1);transform:translateY(-1px);}
.btn-ghost.btn-lg{height:52px;padding:0 28px;font-size:16px;}

.nav-toggle{
  display:none;position:relative;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:12px;background:transparent;cursor:pointer;flex:0 0 auto;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text-1);
  transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg) translateY(6px);}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg) translateY(-6px);}

@media (max-width:991px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-list{
    position:fixed;left:0;right:0;top:56px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:12px 16px 120px;
    background:#0B0713;
    border-top:1px solid var(--line);
    transform:translateX(102%);transition:transform .3s ease;
    overflow-y:auto;z-index:999;
  }
  .nav-list.open{transform:translateX(0);}
  .nav-link{
    height:56px;padding:0 8px;font-size:16px;border-bottom:1px solid var(--line);
    border-radius:0;justify-content:space-between;
  }
  .nav-link::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
    position:static;background:none;opacity:1;font-size:12px;color:var(--text-3);height:auto;width:auto;
    left:auto;right:auto;bottom:auto;box-shadow:none;transform:none;}
  .nav-link.active::after{color:var(--brand-2);}
  .nav-link:hover::after{opacity:1;}
  .header-cta{
    position:fixed;left:16px;right:16px;bottom:20px;z-index:1001;
    display:none;
  }
  body.nav-open .header-cta{display:block;}
  body.nav-open .header-cta .btn-brand{width:100%;height:52px;font-size:16px;}
}

/* ============ 内页主视觉 ============ */
.page-hero{
  position:relative;
  padding:72px 0 80px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,6,20,.62) 0%,rgba(10,6,20,.88) 55%,var(--bg-0) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--text-1);}
.crumbs .sep{color:var(--line-strong);}
.crumbs .cur{color:var(--text-1);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(122,59,255,.16);border:1px solid rgba(122,59,255,.4);
  font-size:13px;color:var(--text-1);margin-bottom:20px;
}
.hero-badge i{color:var(--accent);font-size:12px;}
.page-hero h1{max-width:840px;margin-bottom:18px;}
.page-hero .lead{max-width:720px;font-size:17px;color:var(--text-2);margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:13px;color:var(--text-3);}
.hero-meta i{color:var(--brand-1);margin-right:6px;}
@media (max-width:767px){
  .page-hero{padding:48px 0 56px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
}

/* ============ 双栏主区 ============ */
.layout-cols{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:32px;align-items:start;}
@media (max-width:991px){.layout-cols{grid-template-columns:1fr;gap:24px;}}

.side-card{
  position:sticky;top:88px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--shadow-card);
}
@media (max-width:991px){.side-card{position:static;top:auto;}}
.side-card img{border-radius:var(--r-md);width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:20px;}
.side-card h2{font-size:22px;margin-bottom:12px;}
.side-card p{font-size:14px;line-height:1.85;color:var(--text-2);}
.point-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:14px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.7;}
.point-list i{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:rgba(122,59,255,.16);border:1px solid rgba(122,59,255,.34);color:var(--accent);font-size:13px;
}
.point-list strong{display:block;color:var(--text-1);font-weight:600;font-size:14px;}

.entry-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 0;
  box-shadow:var(--shadow-card);
}
.entry-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) 24px;
  align-items:center;gap:16px;
  min-height:72px;padding:12px 28px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.entry-row:last-child{border-bottom:0;}
.entry-row:hover{background:rgba(122,59,255,.1);}
.entry-num{
  font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.entry-title{font-size:16px;font-weight:600;color:var(--text-1);line-height:1.5;}
.entry-desc{font-size:13px;color:var(--text-3);line-height:1.6;margin-top:2px;}
.entry-row:hover .entry-title{color:#fff;}
.entry-arrow{color:var(--text-3);font-size:14px;text-align:right;transition:transform .2s ease,color .2s ease;}
.entry-row:hover .entry-arrow{transform:translateX(4px);color:var(--brand-2);}
@media (max-width:575px){
  .entry-row{grid-template-columns:38px minmax(0,1fr) 18px;padding:14px 18px;gap:12px;}
  .entry-num{font-size:16px;}
}

/* ============ 徽章条 ============ */
.stat-strip{display:flex;flex-wrap:wrap;gap:16px;}
.stat-pill{
  flex:1 1 220px;display:flex;align-items:center;gap:16px;
  background:#16102A;border:1px solid rgba(200,255,77,.25);
  border-radius:999px;padding:16px 28px;
}
.stat-num{
  font-size:30px;font-weight:700;color:var(--accent);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-unit{font-size:13px;color:var(--accent);margin-left:3px;font-weight:600;}
.stat-label{font-size:12px;color:var(--text-3);line-height:1.5;}
@media (max-width:767px){
  .stat-pill{flex:1 1 100%;padding:14px 22px;}
  .stat-num{font-size:26px;}
}

/* ============ 速查表 ============ */
.qa-wrap{border-radius:var(--r-lg);}
.qa-table{width:100%;border-collapse:separate;border-spacing:0 10px;margin:0;}
.qa-table thead th{
  font-size:13px;color:var(--text-3);font-weight:600;text-align:left;
  padding:0 22px 6px;letter-spacing:.04em;
}
.qa-table tbody tr{background:var(--surface);transition:background .2s ease;}
.qa-table tbody tr:hover{background:var(--surface-2);}
.qa-table td{
  padding:18px 22px;font-size:15px;color:var(--text-2);vertical-align:middle;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);line-height:1.7;
}
.qa-table td:first-child{
  border-left:1px solid var(--line);border-radius:var(--r-md) 0 0 var(--r-md);
  color:var(--text-1);font-weight:600;
}
.qa-table td:last-child{border-right:1px solid var(--line);border-radius:0 var(--r-md) var(--r-md) 0;}
@media (max-width:767px){
  .qa-table thead{display:none;}
  .qa-table,.qa-table tbody,.qa-table tr,.qa-table td{display:block;width:100%;}
  .qa-table{border-spacing:0;}
  .qa-table tbody tr{
    border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;padding:6px 0;
  }
  .qa-table td{border:0;padding:10px 18px;border-radius:0;}
  .qa-table td::before{
    content:attr(data-label);display:block;font-size:12px;color:var(--text-3);margin-bottom:2px;
  }
  .qa-table td:first-child{border-radius:0;padding-top:16px;}
  .qa-table td:last-child{border-radius:0;padding-bottom:16px;}
}

/* ============ FAQ ============ */
.faq-accordion{
  max-width:860px;
  --bs-accordion-bg:var(--surface);
  --bs-accordion-border-width:0;
  --bs-accordion-btn-color:var(--text-1);
  --bs-accordion-active-color:var(--text-1);
  --bs-accordion-active-bg:var(--surface);
  --bs-accordion-btn-focus-box-shadow:0 0 0 2px rgba(200,255,77,.4);
  --bs-accordion-btn-icon:none;
  --bs-accordion-btn-active-icon:none;
}
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  margin-bottom:12px;overflow:hidden;position:relative;
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand-grad);opacity:0;transition:opacity .25s ease;
}
.faq-accordion .accordion-item.is-open::before,
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text-1);box-shadow:none;
  padding:20px 56px 20px 24px;font-size:16px;font-weight:600;
  display:flex;align-items:center;gap:12px;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--text-1);}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-num{
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--text-3);transition:color .25s ease;flex:0 0 auto;
}
.faq-accordion .accordion-item.is-open .faq-num,
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) .faq-num{color:var(--accent);}
.faq-accordion .accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;margin-left:auto;
  font-size:14px;color:var(--text-3);transition:transform .25s ease,color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand-2);}
.faq-accordion .accordion-body{
  padding:0 24px 22px 49px;font-size:15px;color:var(--text-2);line-height:1.9;
}
@media (max-width:575px){
  .faq-accordion .accordion-button{padding:18px 44px 18px 18px;font-size:15px;}
  .faq-accordion .accordion-body{padding:0 18px 18px 18px;}
}

/* ============ CTA ============ */
.cta-section{padding-bottom:96px;}
@media (max-width:767px){.cta-section{padding-bottom:56px;}}
.cta-panel{
  position:relative;max-width:960px;margin:0 auto;overflow:hidden;
  border-radius:var(--r-lg);padding:56px;
  background-image:linear-gradient(120deg,rgba(122,59,255,.94),rgba(255,46,126,.9)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:0 24px 60px -28px rgba(122,59,255,.85);
}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.cta-panel p{color:rgba(255,255,255,.88);font-size:15px;max-width:620px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel .btn-brand{background:#0B0713;box-shadow:0 12px 30px -16px rgba(0,0,0,.95);}
.cta-panel .btn-brand:hover{background:#160F26;box-shadow:0 16px 34px -14px rgba(0,0,0,.9);}
.cta-panel .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-panel .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.14);color:#fff;}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.72);}
@media (max-width:767px){
  .cta-panel{padding:28px;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--bg-1);padding:64px 0 28px;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand-1),var(--brand-2),transparent);
  opacity:.65;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:300px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text-1);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--text-1);transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-2);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--brand-1);margin-top:6px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;}
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;z-index:900;
  background:var(--surface-2);border:1px solid var(--line-strong);color:var(--text-1);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,box-shadow .2s ease,border-color .2s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{border-color:var(--brand-1);box-shadow:0 0 0 1px rgba(122,59,255,.35),0 0 22px -4px rgba(122,59,255,.9);}
body.nav-open .to-top{display:none;}
@media (max-width:767px){.to-top{right:16px;bottom:88px;width:44px;height:44px;}}

/* roulang page: category2 */
:root{
  --bg-0:#0A0614;
  --bg-1:#120C22;
  --surface:#1A1230;
  --surface-2:#221738;
  --brand-1:#7A3BFF;
  --brand-2:#FF2E7E;
  --brand-grad:linear-gradient(120deg,#7A3BFF,#FF2E7E);
  --accent:#C8FF4D;
  --text-1:#F4F1FF;
  --text-2:#B4AACD;
  --text-3:#7E7595;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --radius-xs:12px;
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:24px;
  --radius-xl:28px;
  --shadow-card:0 8px 32px -16px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(122,59,255,.35),0 16px 44px -14px rgba(122,59,255,.45);
  --header-h:64px;
  --sec-pad:96px;
  --bs-body-bg:transparent;
  --bs-body-color:#F4F1FF;
  --bs-link-color:#F4F1FF;
  --bs-link-hover-color:#C8FF4D;
}
html.is-scrolled{--header-h:56px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--text-1)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  height:var(--header-h);
  background:#0B0713;
  transition:height .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,#7A3BFF,#FF2E7E 45%,transparent);
  opacity:.5;
}
html.is-scrolled .site-header{
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 12px 30px -22px rgba(122,59,255,.9);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--header-h);
  transition:height .25s ease;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  height:36px;
}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--brand-grad);
  position:relative;
  box-shadow:0 0 18px -4px rgba(122,59,255,.85);
}
.logo-mark::before{
  content:"";
  position:absolute;
  inset:10px 12px;
  border-radius:3px;
  background:#0B0713;
  transform:skewX(-12deg);
}
.logo-mark::after{
  content:"";
  position:absolute;
  left:16px;top:8px;
  width:4px;height:20px;
  border-radius:2px;
  background:var(--accent);
  opacity:.9;
}
.logo-text{
  font-size:17px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo:hover .logo-text{text-shadow:0 0 14px rgba(200,255,77,.45);color:var(--text-1)}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:999px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  opacity:0;
  transition:opacity .2s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{opacity:.4}
.nav-link.active{
  color:var(--text-1);
  font-weight:600;
}
.nav-link.active::after{
  opacity:1;
  box-shadow:0 0 8px rgba(255,46,126,.9),0 0 16px rgba(122,59,255,.7);
}
.header-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  position:relative;
  flex-shrink:0;
}
.nav-toggle::before,
.nav-toggle::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  height:2px;
  border-radius:2px;
  background:var(--text-1);
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle::before{top:16px}
.nav-toggle::after{top:25px}
body.nav-open .nav-toggle::before{top:21px;transform:rotate(45deg)}
body.nav-open .nav-toggle::after{top:21px;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-brand{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 10px 30px -14px rgba(255,46,126,.9);
}
.btn-brand:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 14px 38px -12px rgba(255,46,126,.95);
}
.btn-brand:active{transform:translateY(1px);filter:brightness(.94)}
.btn-ghost{
  border:1px solid var(--line-strong);
  color:var(--text-1);
}
.btn-ghost:hover{
  border-color:var(--brand-1);
  background:rgba(122,59,255,.12);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;padding:0 34px;font-size:16px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-1);
  min-height:44px;
}
.text-link i{transition:transform .2s ease,color .2s ease}
.text-link:hover{color:var(--brand-2)}
.text-link:hover i{transform:translateX(4px);color:var(--brand-2)}

/* ---------- 页面 Hero ---------- */
.cat-hero{
  position:relative;
  padding:88px 0 56px;
  background-image:linear-gradient(180deg,rgba(10,6,20,.72) 0%,rgba(10,6,20,.9) 55%,#0A0614 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  top:-120px;right:-80px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(122,59,255,.35),transparent 68%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(122,59,255,.45),rgba(255,46,126,.35),transparent);
}
.hero-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.hero-crumb a:hover{color:var(--accent)}
.hero-crumb .current{color:var(--text-1)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(200,255,77,.08);
  border:1px solid rgba(200,255,77,.28);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:22px;
}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,52px);
  line-height:1.2;
  max-width:820px;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:760px;
  margin-top:22px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.hero-lead + .hero-lead{margin-top:12px}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:40px;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  background:#160F2A;
  border:1px solid rgba(200,255,77,.25);
  font-size:13px;
  color:var(--text-2);
}
.meta-pill i{color:var(--accent)}

/* ---------- 锚点条 ---------- */
.anchor-wrap{
  position:sticky;
  top:var(--header-h);
  z-index:900;
  background:rgba(10,6,20,.94);
  border-bottom:1px solid var(--line);
  transition:top .25s ease;
}
.anchor-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:all .2s ease;
}
.anchor-pill i{font-size:12px;opacity:.8}
.anchor-pill:hover{border-color:var(--brand-1);color:var(--text-1)}
.anchor-pill.active{
  background:var(--brand-grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 10px 26px -14px rgba(255,46,126,.9);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,34px);
  line-height:1.3;
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.bar-title{
  position:relative;
  padding-left:16px;
}
.bar-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:3px;
  background:var(--brand-grad);
}

/* ---------- 分组卡片流 ---------- */
.group-block{padding-top:72px}
.group-block:first-of-type{padding-top:80px}
.group-head{max-width:760px;margin-bottom:34px}
.group-head h2{
  font-size:clamp(21px,2.2vw,28px);
  line-height:1.35;
}
.group-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
}
.group-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.gift-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.gift-card:hover{
  transform:translateY(-3px);
  border-color:rgba(122,59,255,.4);
  box-shadow:var(--shadow-hover);
}
.gift-thumb{
  position:relative;
  aspect-ratio:4 / 3;
  overflow:hidden;
  background:linear-gradient(135deg,#1A1230,#2A1B4A);
}
.gift-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.gift-card:hover .gift-thumb img{transform:scale(1.04)}
.badge-neon{
  position:absolute;
  left:16px;top:16px;
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(11,7,19,.86);
  border:1px solid rgba(200,255,77,.35);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.gift-body{padding:24px}
.gift-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.4;
  transition:color .2s ease;
}
.gift-card:hover .gift-body h3{color:#B98BFF}
.gift-body p{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ---------- 数据徽章条 ---------- */
.stat-band{
  margin-top:72px;
  padding:34px 32px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.stat-item{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:64px;
}
.stat-item + .stat-item{
  border-left:1px solid var(--line);
  padding-left:24px;
}
.stat-num{
  font-size:30px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.1;
  white-space:nowrap;
}
.stat-label{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.6;
}

/* ---------- FAQ ---------- */
.faq-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.faq-item{
  background:#16102A;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  position:relative;
  transition:border-color .2s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:3px;
  background:var(--brand-grad);
  opacity:0;
  transition:opacity .25s ease;
}
.faq-item.open::before{opacity:1}
.faq-item.open{border-color:rgba(122,59,255,.4)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
}
.faq-index{
  font-size:14px;
  font-weight:700;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  transition:color .25s ease;
}
.faq-item.open .faq-index{color:var(--accent)}
.faq-q span.qtext{flex:1}
.faq-arrow{
  font-size:13px;
  color:var(--text-3);
  transition:transform .25s ease,color .25s ease;
}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--brand-2)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 22px 22px 58px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--text-2);
}

/* ---------- 相关条目横向条 ---------- */
.scroller{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding-bottom:12px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.scroller::-webkit-scrollbar{display:none}
.mini-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{
  transform:translateY(-3px);
  border-color:rgba(122,59,255,.4);
  box-shadow:var(--shadow-hover);
}
.mini-card .mini-tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(122,59,255,.16);
  border:1px solid rgba(122,59,255,.32);
  color:#C9B4FF;
  font-size:12px;
  font-weight:600;
  margin-bottom:14px;
}
.mini-card h3{font-size:16px;font-weight:600;line-height:1.5}
.mini-card p{
  margin-top:10px;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  padding:56px;
  background-image:linear-gradient(120deg,rgba(122,59,255,.94),rgba(255,46,126,.9)),url(/assets/images/backpic/back-3.png);
  background-size:cover;
  background-position:center;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.cta-panel h2{
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.3;
}
.cta-panel p{
  margin-top:16px;
  font-size:15.5px;
  line-height:1.9;
  color:rgba(255,255,255,.9);
  max-width:520px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.cta-panel .btn-brand{
  background:#0B0713;
  box-shadow:0 12px 30px -16px rgba(0,0,0,.9);
}
.cta-panel .btn-ghost{
  border-color:rgba(255,255,255,.5);
}
.cta-panel .btn-ghost:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
}
.cta-side{
  background:rgba(11,7,19,.62);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius-lg);
  padding:26px;
  backdrop-filter:blur(2px);
}
.cta-side h3{font-size:17px;font-weight:600}
.cta-side ul{margin-top:16px;display:grid;gap:12px}
.cta-side li{
  display:flex;
  gap:12px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
}
.cta-side li i{
  color:var(--accent);
  margin-top:6px;
  font-size:13px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#08050F;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(122,59,255,.6),rgba(255,46,126,.45),transparent) 1;
  padding:72px 0 0;
  margin-top:var(--sec-pad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  height:36px;
  margin-bottom:18px;
}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  color:var(--text-1);
}
.footer-links{display:grid;gap:4px}
.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  font-size:14px;
  color:var(--text-2);
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact{display:grid;gap:12px}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  line-height:1.8;
  color:var(--text-2);
}
.footer-contact i{margin-top:5px;color:var(--brand-1)}
.footer-bottom{
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--surface-2);
  border:1px solid var(--line-strong);
  color:var(--text-1);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all .25s ease;
  z-index:950;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{
  border-color:var(--brand-1);
  box-shadow:0 0 0 1px rgba(122,59,255,.4),0 10px 26px -10px rgba(122,59,255,.9);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-pad:72px}
  .section-head{margin-bottom:36px}
  .cta-panel{padding:44px;gap:32px}
}
@media (max-width:991.98px){
  .nav-toggle{display:block;margin-left:auto}
  .header-cta{display:none}
  .nav-list{
    position:fixed;
    inset:var(--header-h) 0 0 0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:18px 24px 120px;
    background:#0B0713;
    border-top:1px solid var(--line);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    overflow-y:auto;
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  body.nav-open .nav-list{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
  .nav-link{
    height:56px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    font-size:16px;
    padding:0 4px;
    justify-content:space-between;
  }
  .nav-link::after{display:none}
  .nav-link.active{color:var(--accent)}
  .nav-link::before{
    content:"\f105";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    order:2;
    color:var(--text-3);
    font-size:14px;
  }
  .cta-panel{grid-template-columns:1fr;padding:40px 32px}
  .cta-side{width:100%}
  .stat-band{grid-template-columns:1fr;gap:20px}
  .stat-item + .stat-item{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:20px}
  .faq-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767.98px){
  :root{--sec-pad:56px}
  .container{padding:0 16px}
  .logo-text{font-size:15.5px}
  .cat-hero{padding:64px 0 44px}
  .group-grid{grid-template-columns:1fr}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .gift-body{padding:20px}
  .mini-card{flex:0 0 78vw}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:575.98px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stat-band{padding:26px 22px}
  .cta-panel{padding:30px 22px}
  .hero-meta{gap:8px}
  .meta-pill{font-size:12.5px;padding:0 14px}
}