/* roulang page: index */
:root{
  --primary:#16245c;
  --primary-light:#2a3d8f;
  --primary-dark:#0e1740;
  --accent:#c6a04c;
  --accent-light:#e0bd6e;
  --accent-soft:#f9f1e0;
  --bg:#f5f7fc;
  --bg-alt:#ebeff8;
  --bg-deep:#0f1737;
  --white:#ffffff;
  --text:#1b2340;
  --text-weak:#66708c;
  --border:#e2e7f2;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:8px;
  --shadow:0 10px 32px rgba(22,36,92,0.08);
  --shadow-hover:0 16px 44px rgba(22,36,92,0.15);
  --shadow-accent:0 8px 24px rgba(198,160,76,0.28);
  --spacing:28px;
  --transition:all .3s cubic-bezier(.25,.8,.25,1);
}
*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
  border-radius:var(--radius-sm);
}
a{
  color:inherit;
  text-decoration:none;
  transition:var(--transition);
}
ul,ol{
  list-style:none;
}
button{
  font-family:inherit;
  border:none;
  cursor:pointer;
  background:none;
}
input{
  font-family:inherit;
  border:none;
  outline:none;
}
.container{
  width:min(1200px,92%);
  margin:0 auto;
}
.section{
  padding:96px 0;
}
.section-head{
  text-align:center;
  max-width:680px;
  margin:0 auto 56px;
}
.section-tag{
  display:inline-block;
  padding:6px 18px;
  border-radius:100px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  letter-spacing:.5px;
  margin-bottom:16px;
  border:1px solid rgba(198,160,76,.25);
}
.section-head h2{
  font-size:clamp(28px,4vw,40px);
  line-height:1.25;
  font-weight:700;
  color:var(--primary-dark);
  margin-bottom:16px;
}
.section-head p{
  color:var(--text-weak);
  font-size:16px;
  line-height:1.8;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 32px;
  border-radius:60px;
  font-size:16px;
  font-weight:600;
  transition:var(--transition);
  white-space:nowrap;
  line-height:1.2;
}
.btn i{
  font-size:14px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-light));
  color:var(--primary-dark);
  box-shadow:var(--shadow-accent);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 36px rgba(198,160,76,.38);
}
.btn-outline{
  background:rgba(255,255,255,.12);
  color:#fff;
  border:1.5px solid rgba(255,255,255,.45);
  backdrop-filter:blur(6px);
}
.btn-outline:hover{
  background:rgba(255,255,255,.2);
  transform:translateY(-3px);
}
.btn-dark{
  background:var(--primary);
  color:#fff;
}
.btn-dark:hover{
  background:var(--primary-light);
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-weight:600;
  font-size:15px;
}
.link-more i{
  transition:transform .3s ease;
}
.link-more:hover i{
  transform:translateX(5px);
}
.section-cta-link{
  margin-top:40px;
  text-align:center;
}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 20px rgba(22,36,92,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  padding:16px 0;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.logo-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:20px;
  box-shadow:0 6px 18px rgba(22,36,92,.28);
}
.logo-text{
  font-size:20px;
  font-weight:800;
  color:var(--primary-dark);
  letter-spacing:.5px;
  white-space:nowrap;
}
.logo-text span{
  color:var(--accent);
}
.search-box{
  flex:1;
  max-width:560px;
  margin:0 auto;
  display:flex;
  align-items:center;
  background:var(--bg-alt);
  border:1.5px solid var(--border);
  border-radius:50px;
  padding:5px 6px 5px 20px;
  transition:var(--transition);
}
.search-box:focus-within{
  border-color:var(--accent);
  background:#fff;
  box-shadow:0 0 0 5px rgba(198,160,76,.14);
}
.search-box i{
  color:var(--text-weak);
  font-size:14px;
}
.search-box input{
  flex:1;
  border:none;
  background:transparent;
  padding:10px 14px;
  font-size:15px;
  color:var(--text);
  min-width:0;
}
.search-box input::placeholder{
  color:#9ba4bd;
}
.search-box button{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  border-radius:40px;
  padding:10px 24px;
  font-size:14px;
  font-weight:600;
  transition:var(--transition);
  white-space:nowrap;
}
.search-box button:hover{
  transform:scale(1.04);
  box-shadow:0 6px 18px rgba(22,36,92,.3);
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--bg-alt);
  color:var(--primary);
  font-size:18px;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
  flex-shrink:0;
}
.menu-toggle:hover{
  background:var(--primary);
  color:#fff;
}
.header-nav{
  background:var(--white);
  border-top:1px solid var(--border);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:6px;
  padding:0 0;
  flex-wrap:wrap;
}
.nav-inner a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 22px;
  font-size:15px;
  font-weight:600;
  color:var(--text-weak);
  border-radius:0;
  position:relative;
  transition:var(--transition);
}
.nav-inner a::after{
  content:"";
  position:absolute;
  bottom:-1px;
  left:18px;
  right:18px;
  height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
  border-radius:4px 4px 0 0;
  opacity:0;
  transform:scaleX(.4);
  transition:var(--transition);
}
.nav-inner a:hover{
  color:var(--primary);
  background:rgba(22,36,92,.03);
}
.nav-inner a.active{
  color:var(--primary);
}
.nav-inner a.active::after{
  opacity:1;
  transform:scaleX(1);
}
.nav-inner a i{
  font-size:14px;
  opacity:.75;
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:680px;
  display:flex;
  align-items:center;
  background:
    linear-gradient(120deg,rgba(10,17,45,.94) 0%,rgba(22,36,92,.88) 55%,rgba(42,61,143,.76) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  top:-60%;
  right:-20%;
  width:700px;
  height:700px;
  background:radial-gradient(circle,rgba(198,160,76,.2),transparent 60%);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  padding:80px 0;
  max-width:760px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 20px;
  border-radius:100px;
  background:rgba(198,160,76,.16);
  border:1px solid rgba(198,160,76,.4);
  color:var(--accent-light);
  font-size:14px;
  font-weight:600;
  letter-spacing:.8px;
  margin-bottom:28px;
  backdrop-filter:blur(8px);
}
.hero-badge i{
  font-size:12px;
}
.hero h1{
  font-size:clamp(34px,5.4vw,58px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:1px;
  margin-bottom:24px;
  text-shadow:0 4px 30px rgba(0,0,0,.2);
}
.hero h1 em{
  font-style:normal;
  color:var(--accent-light);
}
.hero-content > p{
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.85;
  color:rgba(255,255,255,.88);
  margin-bottom:38px;
  max-width:600px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:46px;
}
.hero-meta{
  display:flex;
  gap:28px;
  flex-wrap:wrap;
}
.hero-meta span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.8);
}
.hero-meta span i{
  color:var(--accent-light);
}

/* ===== Info Strip ===== */
.info-strip{
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:22px 0;
}
.strip-inner{
  display:flex;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.strip-item{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  padding:6px 0;
}
.strip-item i{
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
}

/* ===== Features ===== */
.features{
  background:var(--bg);
}
.features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.feature-card{
  background:var(--white);
  border-radius:var(--radius);
  padding:36px 28px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:linear-gradient(90deg,var(--accent),var(--accent-light));
  opacity:0;
  transition:var(--transition);
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-hover);
}
.feature-card:hover::before{
  opacity:1;
}
.feature-icon{
  width:60px;
  height:60px;
  border-radius:16px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:23px;
  margin-bottom:22px;
  box-shadow:0 8px 20px rgba(22,36,92,.22);
}
.feature-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--primary-dark);
  margin-bottom:10px;
}
.feature-card p{
  font-size:14.5px;
  color:var(--text-weak);
  line-height:1.75;
}

/* ===== Categories ===== */
.categories{
  background:var(--bg-alt);
}
.categories-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.category-card{
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.category-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-hover);
}
.category-cover{
  position:relative;
  height:210px;
  overflow:hidden;
}
.category-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.category-card:hover .category-cover img{
  transform:scale(1.07);
}
.category-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(11,18,48,.65));
}
.category-body{
  padding:28px 28px 32px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.category-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:100px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  margin-bottom:16px;
  align-self:flex-start;
}
.category-body h3{
  font-size:22px;
  font-weight:700;
  color:var(--primary-dark);
  margin-bottom:10px;
}
.category-body p{
  font-size:14.5px;
  color:var(--text-weak);
  line-height:1.75;
  margin-bottom:22px;
  flex:1;
}

/* ===== Process ===== */
.process{
  background:var(--white);
}
.process-wrapper{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.process-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.process-step{
  display:flex;
  align-items:flex-start;
  gap:20px;
  padding:22px 24px;
  border-radius:var(--radius);
  background:var(--bg);
  border:1px solid var(--border);
  transition:var(--transition);
}
.process-step:hover{
  background:var(--accent-soft);
  border-color:rgba(198,160,76,.35);
  transform:translateX(6px);
}
.step-num{
  flex-shrink:0;
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-light));
  color:var(--primary-dark);
  font-weight:800;
  font-size:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(198,160,76,.3);
}
.step-text h4{
  font-size:17px;
  font-weight:700;
  color:var(--primary-dark);
  margin-bottom:4px;
}
.step-text p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.65;
}
.process-media{
  position:relative;
}
.process-media img{
  border-radius:var(--radius);
  box-shadow:var(--shadow-hover);
  width:100%;
  height:480px;
  object-fit:cover;
}
.process-media::before{
  content:"";
  position:absolute;
  inset:-20px -20px auto auto;
  width:140px;
  height:140px;
  background:radial-gradient(circle,rgba(198,160,76,.28),transparent 70%);
  z-index:-1;
  border-radius:50%;
}
.process-tag{
  position:absolute;
  bottom:24px;
  left:24px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  padding:14px 22px;
  border-radius:14px;
  box-shadow:var(--shadow);
  font-size:14px;
  font-weight:600;
  color:var(--primary-dark);
  display:flex;
  align-items:center;
  gap:10px;
}
.process-tag i{
  color:var(--accent);
}

/* ===== News ===== */
.news{
  background:var(--bg);
}
.news-grid{
  display:grid;
  grid-template-columns:2.2fr 1fr;
  gap:32px;
  align-items:start;
}
.news-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.news-item{
  background:var(--white);
  border-radius:var(--radius);
  border:1px solid var(--border);
  padding:24px 26px;
  display:flex;
  gap:20px;
  transition:var(--transition);
  box-shadow:0 4px 16px rgba(22,36,92,.04);
}
.news-item:hover{
  border-color:rgba(198,160,76,.45);
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.news-badge{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:5px 14px;
  border-radius:100px;
  background:var(--primary);
  color:#fff;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
}
.news-info{
  flex:1;
  min-width:0;
}
.news-info h3{
  font-size:17px;
  font-weight:700;
  color:var(--primary-dark);
  line-height:1.5;
  margin-bottom:6px;
}
.news-info h3 a{
  color:inherit;
}
.news-info h3 a:hover{
  color:var(--accent);
}
.news-info p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.7;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-info time{
  font-size:13px;
  color:#a0a8c0;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-side{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-image{
  width:100%;
  height:200px;
  object-fit:cover;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.side-card{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  border-radius:var(--radius);
  padding:28px;
  position:relative;
  overflow:hidden;
}
.side-card::after{
  content:"";
  position:absolute;
  top:-40px;
  right:-40px;
  width:130px;
  height:130px;
  background:radial-gradient(circle,rgba(198,160,76,.35),transparent 70%);
}
.side-card h4{
  font-size:19px;
  font-weight:700;
  margin-bottom:10px;
}
.side-card p{
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.9);
  margin-bottom:18px;
}
.side-card .link-more{
  color:var(--accent-light);
  font-size:14px;
}
.empty-state{
  background:var(--white);
  border:2px dashed var(--border);
  border-radius:var(--radius);
  padding:56px 24px;
  text-align:center;
  color:var(--text-weak);
  font-size:15px;
}

/* ===== Stats ===== */
.stats{
  background:
    linear-gradient(135deg,rgba(9,14,38,.93),rgba(22,36,92,.88)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  padding:90px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  text-align:center;
}
.stat-item{
  padding:32px 20px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(6px);
  transition:var(--transition);
}
.stat-item:hover{
  background:rgba(255,255,255,.12);
  transform:translateY(-6px);
}
.stat-num{
  font-size:44px;
  font-weight:800;
  color:var(--accent-light);
  line-height:1.2;
  margin-bottom:8px;
}
.stat-label{
  font-size:15px;
  color:rgba(255,255,255,.82);
  letter-spacing:.4px;
}
.stats-head{
  text-align:center;
  margin-bottom:56px;
}
.stats-head h2{
  font-size:clamp(28px,4vw,40px);
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.stats-head p{
  color:rgba(255,255,255,.76);
  font-size:16px;
}

/* ===== FAQ ===== */
.faq{
  background:var(--white);
}
.faq-list{
  max-width:840px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(198,160,76,.35);
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 28px;
  font-size:16px;
  font-weight:600;
  color:var(--primary-dark);
  text-align:left;
  transition:var(--transition);
}
.faq-question i{
  font-size:16px;
  color:var(--accent);
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item.open .faq-question i{
  transform:rotate(180deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer-inner{
  padding:0 28px 24px;
  font-size:15px;
  color:var(--text-weak);
  line-height:1.85;
  border-top:1px solid var(--border);
  padding-top:18px;
}

/* ===== CTA ===== */
.cta{
  background:
    linear-gradient(120deg,rgba(10,17,45,.92),rgba(22,36,92,.85)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:100px 0;
  text-align:center;
  color:#fff;
}
.cta h2{
  font-size:clamp(28px,4.4vw,42px);
  font-weight:800;
  margin-bottom:16px;
}
.cta p{
  font-size:17px;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin:0 auto 36px;
}
.cta-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-deep);
  color:#c6ccdf;
  padding:70px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-text{
  color:#fff;
  font-size:22px;
  margin-bottom:14px;
}
.footer-brand p{
  font-size:14.5px;
  line-height:1.8;
  color:#8e97b5;
  max-width:340px;
}
.footer-brand .logo-icon{
  background:linear-gradient(135deg,var(--accent),var(--accent-light));
  color:var(--primary-dark);
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:22px;
  letter-spacing:.5px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-col ul a{
  font-size:14.5px;
  color:#8e97b5;
  transition:var(--transition);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-col ul a:hover{
  color:var(--accent-light);
  transform:translateX(4px);
}
.footer-col ul a i{
  font-size:11px;
  color:var(--accent);
}
.footer-bottom{
  padding:26px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#6b7596;
}
.footer-bottom a{
  color:#8e97b5;
}
.footer-bottom a:hover{
  color:var(--accent-light);
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .features-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .categories-grid{
    grid-template-columns:repeat(3,1fr);
    gap:20px;
  }
  .process-wrapper{
    grid-template-columns:1fr;
    gap:44px;
  }
  .process-media img{
    height:380px;
  }
  .news-grid{
    grid-template-columns:1fr;
  }
  .stats-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:768px){
  .section{
    padding:70px 0;
  }
  .header-inner{
    flex-wrap:wrap;
    gap:14px;
  }
  .search-box{
    order:3;
    max-width:100%;
    flex-basis:100%;
  }
  .menu-toggle{
    display:flex;
    margin-left:auto;
  }
  .header-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--white);
    box-shadow:var(--shadow);
    border-radius:0 0 18px 18px;
    padding:12px 4%;
  }
  .header-nav.open{
    display:block;
  }
  .nav-inner{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-inner a{
    justify-content:flex-start;
    padding:14px 16px;
    border-radius:var(--radius-sm);
  }
  .nav-inner a::after{
    display:none;
  }
  .nav-inner a.active{
    background:var(--accent-soft);
  }
  .hero{
    min-height:0;
  }
  .hero-content{
    padding:70px 0;
  }
  .hero-actions{
    flex-direction:column;
  }
  .btn{
    width:100%;
  }
  .strip-inner{
    justify-content:center;
  }
  .features-grid{
    grid-template-columns:1fr;
  }
  .categories-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}
@media(max-width:520px){
  .container{
    width:94%;
  }
  .logo-text{
    font-size:16px;
  }
  .logo-icon{
    width:38px;
    height:38px;
    font-size:16px;
  }
  .search-box button{
    padding:8px 16px;
    font-size:13px;
  }
  .hero h1{
    font-size:28px;
  }
  .hero-meta{
    gap:14px;
  }
  .hero-meta span{
    font-size:12.5px;
  }
  .process-step{
    padding:16px;
  }
  .stats-grid{
    grid-template-columns:1fr;
  }
  .news-item{
    flex-direction:column;
    gap:12px;
  }
  .faq-question{
    font-size:15px;
    padding:18px 20px;
  }
  .faq-answer-inner{
    padding:14px 20px 20px;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #1f3a5f;
  --primary-light: #2e5b8f;
  --primary-soft: #eaf0f7;
  --accent: #d9a441;
  --accent-light: #f2cf7e;
  --accent-soft: #fdf6e6;
  --bg: #f5f8fc;
  --bg-deep: #12243d;
  --card-bg: #ffffff;
  --text: #1f2a3a;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --shadow: 0 10px 30px rgba(31, 58, 95, .08);
  --shadow-lg: 0 22px 48px rgba(31, 58, 95, .14);
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

/* ===== 基础 Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}
ul,
ol {
  list-style: none;
}
button,
input {
  font: inherit;
  border: none;
  background: none;
  outline: none;
}
button {
  cursor: pointer;
}

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.2;
  border: 2px solid transparent;
  transition: all .28s ease;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #c99230);
  color: #1c2a21;
  box-shadow: 0 10px 24px rgba(217, 164, 65, .32);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(217, 164, 65, .42);
  color: #101a10;
}
.btn-outline {
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(6px);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, .16);
  transform: translateY(-3px);
}
.btn-ghost {
  border-color: var(--border);
  color: var(--primary);
  background: var(--card-bg);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* ===== Header 搜索主导导航 ===== */
.site-header {
  position: relative;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 24px rgba(31, 58, 95, .06);
  z-index: 99;
}
.header-top-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .02em;
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  font-size: 18px;
  box-shadow: 0 8px 18px rgba(31, 58, 95, .24);
}
.header-search {
  flex: 1;
  max-width: 560px;
  margin-left: auto;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 4px 6px 4px 18px;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.search-form:focus-within {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(217, 164, 65, .18);
}
.search-icon {
  color: var(--text-weak);
  font-size: 14px;
}
.search-form input {
  flex: 1;
  min-width: 0;
  padding: 10px 0;
  font-size: 14px;
  background: transparent;
  color: var(--text);
}
.search-form input::placeholder {
  color: #94a3b8;
}
.search-form button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background .25s, transform .25s;
}
.search-form button:hover {
  background: var(--primary-light);
  transform: scale(1.03);
}
.header-actions {
  margin-left: 4px;
  flex-shrink: 0;
}
.btn-head-help {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
.btn-head-help:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow);
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}

/* ===== Header Nav ===== */
.header-nav {
  background: var(--primary);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-top: 0;
  padding-bottom: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar {
  display: none;
}
.nav-inner a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 15px 22px;
  color: rgba(255, 255, 255, .8);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all .25s;
}
.nav-inner a i {
  font-size: 14px;
  opacity: .85;
}
.nav-inner a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .08);
}
.nav-inner a.active {
  color: #fff;
  border-bottom-color: var(--accent);
  background: rgba(255, 255, 255, .08);
}

/* ===== 页面 Banner ===== */
.page-banner {
  position: relative;
  background:
    linear-gradient(135deg, rgba(18, 36, 61, .92), rgba(46, 91, 143, .78)),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
  padding: 76px 0 68px;
}
.page-banner::after {
  content: '';
  position: absolute;
  right: -10%;
  bottom: -30%;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, .22), transparent 70%);
  pointer-events: none;
}
.banner-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.crumb a {
  color: rgba(255, 255, 255, .8);
}
.crumb a:hover {
  color: var(--accent-light);
}
.crumb i {
  font-size: 12px;
}
.page-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .02em;
  margin-bottom: 18px;
}
.page-title span {
  color: var(--accent-light);
}
.banner-desc {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .82);
  margin-bottom: 34px;
  max-width: 620px;
}
.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== 通用板块 ===== */
.section {
  padding: 90px 0;
}
.section-alt {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  max-width: 720px;
  margin: 0 auto 54px;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(217, 164, 65, .25);
  color: #a57412;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 14px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.85;
}

/* ===== 登录步骤 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 24px 30px;
  text-align: center;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(217, 164, 65, .4);
}
.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: opacity .3s;
}
.step-card:hover::before {
  opacity: 1;
}
.step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 38px;
  font-weight: 800;
  color: var(--primary-soft);
  line-height: 1;
}
.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  font-size: 24px;
  margin-bottom: 20px;
  box-shadow: 0 12px 24px rgba(31, 58, 95, .2);
}
.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
}

/* ===== 登录方式 ===== */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.method-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(217, 164, 65, .4);
}
.method-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 0;
}
.method-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 26px;
}
.badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: #a57412;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.badge-green {
  background: #e6f7ec;
  color: #1c8a4f;
}
.badge-blue {
  background: #e8f1fd;
  color: #1d63b8;
}
.method-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.method-info > p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 18px;
}
.feature-list {
  margin-bottom: 22px;
  display: grid;
  gap: 9px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.feature-list li i {
  color: var(--accent);
  font-size: 13px;
}
.method-info .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ===== 图文分区 ===== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-media {
  position: relative;
}
.split-media img {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.floating-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, .94);
  padding: 16px 22px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 13px;
  backdrop-filter: blur(8px);
}
.floating-card i {
  color: var(--accent);
  font-size: 22px;
}
.floating-card strong {
  display: block;
  font-size: 15px;
  color: var(--primary);
}
.floating-card span {
  font-size: 12px;
  color: var(--text-weak);
}
.split-content h2 {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--primary);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
}
.split-content .lead {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 24px;
}
.content-list {
  display: grid;
  gap: 16px;
  margin-bottom: 30px;
}
.content-list li {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  transition: border-color .25s, box-shadow .25s;
}
.content-list li:hover {
  border-color: rgba(217, 164, 65, .4);
  box-shadow: var(--shadow);
}
.content-list li i {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: #b07c16;
  font-size: 15px;
}
.content-list li strong {
  display: block;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 4px;
}
.content-list li p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 数据保障 ===== */
.stats-section {
  background:
    linear-gradient(135deg, rgba(18, 36, 61, .94), rgba(31, 58, 95, .85)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat-box {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(6px);
  transition: transform .3s, background .3s;
}
.stat-box:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, .12);
}
.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item:hover {
  border-color: rgba(217, 164, 65, .4);
  box-shadow: var(--shadow);
}
.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
}
.faq-q .faq-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
}
.faq-q .faq-arrow {
  margin-left: auto;
  color: var(--text-weak);
  transition: transform .3s;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}
.faq-a {
  display: none;
  padding: 0 24px 22px 70px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.9;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin-top: -4px;
}
.faq-item.open .faq-a {
  display: block;
}

/* ===== CTA ===== */
.cta-box {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 64px 56px;
  text-align: center;
  overflow: hidden;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(217, 164, 65, .2);
}
.cta-box::after {
  content: '';
  position: absolute;
  left: -40px;
  bottom: -80px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 620px;
  margin: 0 auto;
}
.cta-title {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, .8);
  line-height: 1.9;
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .7);
  padding: 70px 0 0;
  margin-top: 90px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.9;
  max-width: 380px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-col ul {
  display: grid;
  gap: 12px;
}
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: color .25s, padding-left .25s;
}
.footer-col a i {
  font-size: 12px;
  color: rgba(255, 255, 255, .4);
}
.footer-col a:hover {
  color: var(--accent-light);
  padding-left: 5px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 22px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .split-grid {
    gap: 36px;
  }
  .section {
    padding: 70px 0;
  }
}

@media (max-width: 768px) {
  .header-top-inner {
    flex-wrap: wrap;
    gap: 14px;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .brand-logo {
    font-size: 18px;
  }
  .header-search {
    order: 3;
    flex: 1 1 100%;
    max-width: 100%;
  }
  .search-form {
    padding-left: 14px;
  }
  .search-form button {
    padding: 9px 16px;
  }
  .header-actions {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    border-top: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 24px 48px rgba(18, 36, 61, .28);
  }
  .header-nav.open {
    display: block;
  }
  .nav-inner {
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    overflow: visible;
  }
  .nav-inner a {
    border-bottom: none;
    border-left: 3px solid transparent;
    border-radius: 8px;
  }
  .nav-inner a.active {
    border-left-color: var(--accent);
  }
  .page-banner {
    padding: 58px 0 52px;
  }
  .split-grid {
    grid-template-columns: 1fr;
  }
  .split-media {
    order: 1;
  }
  .split-content {
    order: 2;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .cta-box {
    padding: 44px 26px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .brand-logo {
    font-size: 16px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 15px;
    border-radius: 10px;
  }
  .search-form button span {
    display: none;
  }
  .search-form button {
    padding: 10px 14px;
  }
  .page-banner {
    padding: 46px 0 42px;
  }
  .page-title {
    font-size: 28px;
  }
  .banner-desc {
    font-size: 14px;
  }
  .banner-actions .btn {
    width: 100%;
  }
  .section {
    padding: 54px 0;
  }
  .section-head {
    margin-bottom: 34px;
  }
  .steps-grid,
  .methods-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-box {
    padding: 36px 18px;
    border-radius: var(--radius);
  }
  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root {
  --primary: #5B7FFF;
  --primary-dark: #3B55D6;
  --primary-light: #93B0FF;
  --primary-soft: #EAF0FF;
  --accent: #FFB86B;
  --accent-soft: #FFF3E4;
  --success: #34D399;
  --bg: #F7F9FE;
  --bg-alt: #EEF2FF;
  --bg-deep: #121330;
  --text: #1E2433;
  --text-muted: #6B7280;
  --border: #E5E7EF;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(90, 100, 200, 0.10);
  --shadow-lg: 0 18px 48px rgba(90, 100, 200, 0.16);
  --transition: all 0.3s ease;
  --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; height: auto; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; outline: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(229, 231, 239, 0.8);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 30px rgba(90, 100, 200, 0.08);
}

.header-top {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  gap: 8px;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 16px rgba(91, 127, 255, 0.35);
  flex-shrink: 0;
}

.logo-text {
  background: none;
  padding: 0;
}

.header-search {
  flex: 1;
  max-width: 560px;
  margin: 0 auto;
}

.header-search form {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 6px 6px 18px;
  box-shadow: 0 4px 14px rgba(90, 100, 200, 0.08);
  transition: var(--transition);
}

.header-search form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(91, 127, 255, 0.15);
}

.header-search-icon {
  color: var(--text-muted);
  font-size: 15px;
  margin-right: 10px;
}

.header-search input {
  flex: 1;
  border: none;
  font-size: 14px;
  color: var(--text);
  background: transparent;
  min-width: 0;
}

.header-search input::placeholder {
  color: #a0a8b8;
}

.header-search button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.header-search button:hover {
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(91, 127, 255, 0.35);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--primary);
  color: #fff;
}

.header-nav {
  border-top: 1px solid rgba(229, 231, 239, 0.6);
  background: transparent;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.nav-inner a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-inner a i {
  font-size: 14px;
}

.nav-inner a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.nav-inner a.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 16px rgba(91, 127, 255, 0.28);
}

/* ----- Banner ----- */
.page-banner {
  position: relative;
  padding: 90px 0 70px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(18, 19, 48, 0.82), rgba(59, 85, 214, 0.72), rgba(147, 176, 255, 0.55));
}

.page-banner .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.breadcrumb a:hover { color: #fff; }

.breadcrumb-sep { color: rgba(255, 255, 255, 0.4); }

.page-title-wrap {
  max-width: 860px;
}

.banner-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  padding: 7px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(6px);
  margin-bottom: 18px;
}

.page-title-wrap h1 {
  color: #fff;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  word-break: break-word;
}

.banner-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.banner-meta .badge {
  background: rgba(255, 184, 107, 0.2);
  border: 1px solid rgba(255, 184, 107, 0.45);
  color: #FFD9A8;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}

.banner-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ----- Article Section ----- */
.article-section {
  position: relative;
  padding: 60px 0 30px;
}

.article-layout {
  max-width: 900px;
}

.article-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.article-cover {
  position: relative;
  max-height: 460px;
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.article-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 19, 48, 0.15), transparent 50%);
}

.article-body-wrap {
  padding: 40px 48px 36px;
}

.article-header {
  margin-bottom: 32px;
}

.article-header .article-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 12px;
  word-break: break-word;
}

.article-header .article-sub {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.article-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: #2A3140;
}

.article-body h2 {
  font-size: 23px;
  font-weight: 700;
  margin: 34px 0 16px;
  color: var(--text);
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}

.article-body h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 22px 0 10px;
  color: var(--text);
}

.article-body p {
  margin-bottom: 18px;
}

.article-body strong { color: var(--text); font-weight: 600; }

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--primary-dark);
}

.article-body ul,
.article-body ol {
  margin: 18px 0 22px;
  padding-left: 26px;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body blockquote {
  margin: 26px 0;
  padding: 18px 24px;
  border-radius: 14px;
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  color: #3A4055;
  font-style: italic;
}

.article-body img {
  border-radius: var(--radius);
  margin: 26px 0;
  box-shadow: var(--shadow);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: 12px;
  overflow: hidden;
  font-size: 15px;
}

.article-body th {
  background: var(--primary-soft);
  font-weight: 600;
  color: var(--text);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.article-body tr:last-child td { border-bottom: none; }

.article-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.article-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  color: var(--primary-dark);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid transparent;
  transition: var(--transition);
}

.article-tags span:hover {
  border-color: var(--primary-light);
  background: var(--primary-soft);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 15px;
  transition: var(--transition);
}

.article-share a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(91, 127, 255, 0.3);
}

/* ----- Not Found ----- */
.not-found {
  text-align: center;
  padding: 70px 30px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.not-found i {
  font-size: 56px;
  color: var(--primary-light);
  margin-bottom: 20px;
  display: block;
}

.not-found h2 {
  font-size: 26px;
  color: var(--text);
  margin-bottom: 14px;
}

.not-found p {
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto 28px;
  font-size: 15px;
}

/* ----- Related Section ----- */
.related-section {
  padding: 60px 0 30px;
  background: var(--bg);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 46px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.related-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
}

.related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.related-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-card:hover .related-thumb img {
  transform: scale(1.06);
}

.related-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 19, 48, 0.35), transparent 50%);
}

.related-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  backdrop-filter: blur(6px);
}

.related-info {
  padding: 22px 22px 24px;
}

.related-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: var(--transition);
}

.related-card:hover .related-info h3 {
  color: var(--primary);
}

.related-info p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.related-meta i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.related-card:hover .related-meta i {
  transform: translateX(4px);
}

/* ----- Stats Section ----- */
.stats-section {
  position: relative;
  padding: 70px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(18, 19, 48, 0.9), rgba(59, 85, 214, 0.82));
}

.stats-section .container {
  position: relative;
  z-index: 2;
}

.stats-head {
  text-align: center;
  margin-bottom: 44px;
}

.stats-head .section-tag {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stats-head h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
}

.stats-head p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: 10px;
  font-size: 15px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-5px);
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(255, 184, 107, 0.18);
  border: 1px solid rgba(255, 184, 107, 0.3);
  color: #FFB86B;
  font-size: 22px;
  margin-bottom: 16px;
}

.stat-number {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

/* ----- FAQ Section ----- */
.faq-section {
  padding: 70px 0;
  background: var(--bg);
}

.faq-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question i {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--primary);
  transition: var(--transition);
}

.faq-item.active .faq-question i {
  background: var(--primary);
  color: #fff;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 26px 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.faq-item.active .faq-answer-inner {
  border-top-color: var(--border);
  padding-top: 18px;
}

/* ----- CTA Section ----- */
.cta-section {
  padding: 60px 0 80px;
}

.cta-inner {
  position: relative;
  border-radius: 28px;
  padding: 60px 50px;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(18, 19, 48, 0.85), rgba(91, 127, 255, 0.78));
}

.cta-inner .cta-content {
  position: relative;
  z-index: 2;
}

.cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 184, 107, 0.18);
  border: 1px solid rgba(255, 184, 107, 0.35);
  color: #FFD9A8;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}

.cta-inner h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 15px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ----- Buttons ----- */
.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 22px rgba(91, 127, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(91, 127, 255, 0.45);
  color: #fff;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-3px);
  color: #fff;
}

/* ----- Footer ----- */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  color: #fff;
  font-size: 20px;
  margin-bottom: 18px;
}

.footer-brand .logo-icon {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
  margin-top: 16px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}

.footer-col a i {
  font-size: 11px;
  color: var(--primary-light);
}

.footer-bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom span { display: inline-flex; gap: 8px; }

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .header-search { max-width: 380px; }
  .related-grid { gap: 20px; }
  .stats-grid { gap: 18px; }
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }

  .header-top {
    gap: 12px;
    padding: 12px 0;
  }

  .logo {
    font-size: 17px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .header-search {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .header-nav {
    display: none;
    border-top: none;
    background: #fff;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
  }

  .header-nav.open {
    display: block;
  }

  .nav-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding-top: 0;
    padding-bottom: 0;
  }

  .nav-inner a {
    justify-content: flex-start;
    padding: 13px 18px;
    border-radius: 12px;
    font-size: 15px;
  }

  .nav-inner a.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: none;
  }

  .page-banner { padding: 60px 0 50px; }

  .page-title-wrap h1 { font-size: 26px; }

  .article-body-wrap { padding: 28px 22px 24px; }

  .article-header .article-title { font-size: 22px; }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .cta-inner { padding: 44px 22px; }

  .cta-inner h2 { font-size: 24px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .related-grid {
    grid-template-columns: 1fr;
  }

  .page-title-wrap h1 { font-size: 22px; }

  .stats-grid { gap: 12px; }

  .stat-item { padding: 22px 14px; }

  .stat-number { font-size: 26px; }

  .banner-meta { gap: 10px; }

  .cta-buttons .btn-primary,
  .cta-buttons .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .faq-question {
    padding: 18px 18px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 18px 18px;
  }

  .footer-bottom {
    align-items: flex-start;
    text-align: left;
    flex-direction: column;
  }
}

/* roulang page: category3 */
:root {
  --primary: #7c5cff;
  --primary-dark: #5a3fdd;
  --primary-light: #f0edff;
  --secondary: #ffb84d;
  --secondary-light: #fff6e8;
  --accent: #22c1a3;
  --accent-light: #e6fbf7;
  --bg: #f7f6fd;
  --bg-deep: #17152a;
  --text: #221e3d;
  --text-light: #6b6a85;
  --text-muted: #9a98b3;
  --border: #e9e6f5;
  --white: #ffffff;
  --radius: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 34px rgba(28, 20, 70, 0.08);
  --shadow-hover: 0 18px 44px rgba(124, 92, 255, 0.16);
  --shadow-deep: 0 20px 56px rgba(23, 21, 42, 0.28);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
button,
input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}
ul,
ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: 84px 0;
}
.section-alt {
  background: var(--white);
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-head h2 {
  font-size: 38px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.section-head h2 span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-head p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}
.section-head.light h2,
.section-head.light p {
  color: #fff;
}
.section-head.light .section-tag {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: .5px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(124, 92, 255, 0.4);
}
.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-block {
  width: 100%;
}
/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(23, 21, 42, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 30px rgba(23, 21, 42, 0.12);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .5px;
  white-space: nowrap;
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(124, 92, 255, 0.4);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}
.header-nav {
  background: rgba(23, 21, 42, 0.72);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 54px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar {
  display: none;
}
.nav-inner a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 100px;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-inner a i {
  font-size: 14px;
  opacity: .85;
}
.nav-inner a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.nav-inner a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 6px 18px rgba(124, 92, 255, 0.35);
}
/* Hero */
.page-hero {
  position: relative;
  padding: 110px 0 120px;
  background:
    linear-gradient(135deg, rgba(23, 21, 42, 0.92), rgba(62, 38, 128, 0.78)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.4), transparent 70%);
  border-radius: 50%;
}
.page-hero::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -40px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(255, 184, 77, 0.3), transparent 70%);
  border-radius: 50%;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 22px;
}
.hero-breadcrumb a:hover {
  color: var(--secondary);
}
.hero-breadcrumb i {
  font-size: 12px;
  opacity: .6;
}
.page-hero h1 {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 20px;
}
.page-hero h1 span {
  background: linear-gradient(135deg, var(--secondary), #ffd98a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero p {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 100px;
  padding: 8px 10px 8px 20px;
  max-width: 600px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}
.hero-search i {
  color: var(--text-light);
  font-size: 16px;
}
.hero-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 15px;
  color: var(--text);
  padding: 8px 0;
}
.hero-search input::placeholder {
  color: var(--text-muted);
}
.hero-search button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 28px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.hero-search button:hover {
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.4);
  transform: translateY(-1px);
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.08);
  padding: 8px 16px;
  border-radius: 100px;
  backdrop-filter: blur(4px);
}
/* 活动标签筛选 */
.topic-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  position: sticky;
  top: 126px;
  z-index: 50;
}
.topic-list {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.topic-list .topic-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  margin-right: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topic-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}
.topic-item i {
  font-size: 13px;
  color: var(--text-muted);
}
.topic-item:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-light);
  transform: translateY(-1px);
}
.topic-item.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(124, 92, 255, 0.3);
}
.topic-item.active i {
  color: #fff;
}
/* 资讯卡片网格 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.news-card-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-card-img img {
  transform: scale(1.05);
}
.news-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 21, 42, 0.35), transparent 50%);
}
.news-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.news-card-tag.hot {
  background: linear-gradient(135deg, #ff6b6b, #ff9f43);
  color: #fff;
}
.news-card-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card-body h3 {
  font-size: 19px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  transition: var(--transition);
}
.news-card-body h3 a:hover {
  color: var(--primary);
}
.news-card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
}
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.news-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card-meta .read-more {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.news-card-meta .read-more:hover {
  gap: 8px;
  color: var(--primary-dark);
}
/* 热门活动专题 */
.featured-section {
  background: linear-gradient(160deg, #17152a 0%, #2a2152 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.featured-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.4), transparent 70%);
  border-radius: 50%;
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}
.featured-card {
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-deep);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.featured-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 8, 25, 0.92) 0%, rgba(10, 8, 25, 0.25) 50%, transparent 100%);
  transition: var(--transition);
}
.featured-card:hover::before {
  background: linear-gradient(to top, rgba(10, 8, 25, 0.95) 0%, rgba(10, 8, 25, 0.3) 55%, transparent 100%);
}
.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.featured-body {
  position: relative;
  z-index: 2;
  padding: 34px;
  width: 100%;
}
.featured-body .featured-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--secondary);
  color: #2b1b00;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(255, 184, 77, 0.35);
}
.featured-body h3 {
  font-size: 27px;
  line-height: 1.35;
  font-weight: 700;
  margin-bottom: 10px;
}
.featured-body p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 20px;
}
.featured-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.featured-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.4);
}
/* 数据统计 */
.stats-section {
  background: var(--white);
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stats-item {
  padding: 24px 16px;
}
.stats-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  font-size: 22px;
  margin-bottom: 14px;
  background: var(--primary-light);
  color: var(--primary);
}
.stats-item:nth-child(2) .stats-icon {
  background: var(--secondary-light);
  color: #d88a10;
}
.stats-item:nth-child(3) .stats-icon {
  background: var(--accent-light);
  color: #0b9b80;
}
.stats-item:nth-child(4) .stats-icon {
  background: #ffece8;
  color: #e85d4a;
}
.stats-num {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  font-family: "PingFang SC", sans-serif;
}
.stats-item:nth-child(1) .stats-num {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stats-item:nth-child(2) .stats-num {
  background: linear-gradient(135deg, #f5a623, #d88a10);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stats-item:nth-child(3) .stats-num {
  background: linear-gradient(135deg, #22c1a3, #0b9b80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stats-item:nth-child(4) .stats-num {
  background: linear-gradient(135deg, #ff6b5e, #e85d4a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stats-label {
  font-size: 15px;
  color: var(--text-light);
  margin-top: 6px;
}
/* 流程 */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 26px 30px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.step-num {
  width: 66px;
  height: 66px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(124, 92, 255, 0.3);
  position: relative;
  z-index: 2;
}
.step-card:nth-child(2) .step-num {
  background: linear-gradient(135deg, var(--secondary), #e8961a);
  box-shadow: 0 10px 24px rgba(255, 184, 77, 0.35);
}
.step-card:nth-child(3) .step-num {
  background: linear-gradient(135deg, var(--accent), #0b9b80);
  box-shadow: 0 10px 24px rgba(34, 193, 163, 0.35);
}
.step-card:nth-child(4) .step-num {
  background: linear-gradient(135deg, #ff6b5e, #e85d4a);
  box-shadow: 0 10px 24px rgba(255, 107, 94, 0.35);
}
.step-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}
.step-card .step-arrow {
  position: absolute;
  top: 50%;
  right: -22px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 13px;
  z-index: 3;
}
/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(124, 92, 255, 0.3);
  box-shadow: var(--shadow-hover);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: var(--transition);
  color: var(--text);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 50%;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  content: "\f068";
  transform: rotate(180deg);
}
.faq-item[open] summary {
  color: var(--primary-dark);
}
.faq-item .faq-body {
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}
/* CTA */
.cta-section {
  position: relative;
  padding: 100px 0;
  background:
    linear-gradient(135deg, rgba(23, 21, 42, 0.9), rgba(80, 42, 160, 0.75)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.35), transparent 70%);
  border-radius: 50%;
}
.cta-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 40px;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 18px;
}
.cta-content h2 span {
  background: linear-gradient(135deg, var(--secondary), #ffd98a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
/* Footer */
.site-footer {
  background: #12101f;
  color: rgba(255, 255, 255, 0.6);
  padding: 70px 0 0;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
}
.footer-brand .logo {
  color: #fff;
  font-size: 20px;
  margin-bottom: 18px;
  display: inline-flex;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  max-width: 340px;
  margin-top: 14px;
}
.footer-col h4 {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}
.footer-col ul li a i {
  font-size: 12px;
  color: var(--primary);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--secondary);
  padding-left: 6px;
}
.footer-col ul li a:hover i {
  color: var(--secondary);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
/* 滚动到顶部 */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.4);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  cursor: pointer;
}
.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(124, 92, 255, 0.5);
}
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .step-arrow {
    display: none !important;
  }
  .page-hero h1 {
    font-size: 42px;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .header-nav {
    display: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }
  .header-nav.open {
    display: block;
  }
  .nav-inner {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 18px 20px;
    gap: 4px;
    overflow: visible;
  }
  .nav-inner a {
    justify-content: flex-start;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
  }
  .page-hero {
    padding: 80px 0 90px;
  }
  .page-hero h1 {
    font-size: 33px;
  }
  .page-hero p {
    font-size: 16px;
  }
  .hero-search {
    flex-wrap: wrap;
    border-radius: 20px;
    padding: 14px;
  }
  .hero-search input {
    padding: 8px 4px;
  }
  .hero-search button {
    width: 100%;
  }
  .topic-bar {
    position: static;
  }
  .topic-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .featured-card {
    min-height: 300px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 40px;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-section {
    padding: 80px 0;
  }
  .cta-content h2 {
    font-size: 30px;
  }
}
@media (max-width: 520px) {
  .section {
    padding: 52px 0;
  }
  .section-head h2 {
    font-size: 28px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .hero-meta {
    gap: 10px;
  }
  .hero-meta span {
    font-size: 12px;
    padding: 6px 12px;
  }
  .news-card-body {
    padding: 18px 18px 22px;
  }
  .featured-body {
    padding: 24px;
  }
  .featured-body h3 {
    font-size: 22px;
  }
  .stats-num {
    font-size: 32px;
  }
  .faq-item summary {
    padding: 18px 18px;
    font-size: 15px;
  }
  .faq-item .faq-body {
    padding: 0 18px 20px;
    font-size: 14px;
  }
  .scroll-top {
    right: 18px;
    bottom: 18px;
    width: 44px;
    height: 44px;
    font-size: 16px;
  }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #6d5efc;
            --color-primary-dark: #5443d6;
            --color-primary-light: #eef0ff;
            --color-secondary: #f43f5e;
            --color-accent: #f59e0b;
            --color-success: #10b981;
            --color-bg: #f8fafc;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-light: #64748b;
            --color-border: #e2e8f0;
            --gradient-main: linear-gradient(135deg, #6366f1, #a855f7);
            --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.96), rgba(168, 85, 247, 0.92));
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(51, 65, 85, 0.06);
            --shadow-md: 0 6px 24px rgba(51, 65, 85, 0.08);
            --shadow-lg: 0 16px 48px rgba(99, 102, 241, 0.12);
            --shadow-primary: 0 8px 28px rgba(99, 102, 241, 0.25);
            --space-section: 90px;
            --space-section-sm: 56px;
            --font-base: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s;
        }
        ul, ol {
            list-style: none;
        }
        button, input, textarea, select {
            font: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        i {
            font-style: normal;
        }
        .container {
            width: min(1200px, 92%);
            margin-inline: auto;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: linear-gradient(180deg, #f8fafc, #eef0ff);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient-main);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(99, 102, 241, 0.32);
        }
        .btn-light {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .btn-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.875rem;
        }

        /* ===== 区块标题 ===== */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-head.tight {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-size: 0.825rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-tag i {
            font-size: 14px;
        }
        .section-head h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            color: var(--color-text-light);
            font-size: 1rem;
            line-height: 1.7;
        }
        .section-head .highlight {
            background: linear-gradient(135deg, #6366f1, #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(51, 65, 85, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 0;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.22rem;
            font-weight: 800;
            color: var(--color-text);
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--gradient-main);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
        }
        .header-search {
            flex: 1;
            max-width: 560px;
            position: relative;
            margin-inline: auto;
        }
        .header-search i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-light);
            font-size: 14px;
            pointer-events: none;
        }
        .header-search input {
            width: 100%;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 40px;
            padding: 10px 18px 10px 42px;
            font-size: 0.9rem;
            transition: all .25s;
        }
        .header-search input:focus {
            background: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: var(--color-bg);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }
        .nav-toggle:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }
        .header-nav {
            background: #fff;
            border-top: 1px solid var(--color-border);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 0;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-inner a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 20px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: 8px 8px 0 0;
            border-bottom: 3px solid transparent;
            transition: all .2s;
            flex-shrink: 0;
            white-space: nowrap;
        }
        .nav-inner a i {
            font-size: 14px;
            opacity: 0.8;
        }
        .nav-inner a:hover {
            color: var(--color-primary-dark);
            background: var(--color-primary-light);
            border-bottom-color: transparent;
        }
        .nav-inner a.active {
            color: var(--color-primary-dark);
            font-weight: 700;
            border-bottom-color: var(--color-primary);
        }
        .nav-inner a.active i {
            color: var(--color-primary);
        }

        /* ===== Hero ===== */
        .hero {
            background-image: var(--gradient-hero), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 80px 0 90px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 70%);
            border-radius: 50%;
            top: -120px;
            right: -60px;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            border-radius: 50%;
            bottom: -80px;
            left: 10%;
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.85fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.87rem;
            opacity: 0.85;
            margin-bottom: 22px;
        }
        .hero-breadcrumb a {
            opacity: 0.8;
            transition: opacity .2s;
        }
        .hero-breadcrumb a:hover {
            opacity: 1;
        }
        .hero-breadcrumb i {
            font-size: 12px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }
        .hero-content > p {
            font-size: 1.05rem;
            line-height: 1.8;
            opacity: 0.92;
            margin-bottom: 30px;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-meta {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .hero-meta i {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 会员卡 */
        .member-card {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 24px;
            padding: 28px;
            backdrop-filter: blur(10px);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.15);
            max-width: 380px;
            margin-left: auto;
            position: relative;
            z-index: 2;
        }
        .member-card-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 22px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
        }
        .member-avatar {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, #a78bfa, #6366f1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
        }
        .member-card-head strong {
            display: block;
            font-size: 1.05rem;
        }
        .member-card-head span {
            display: block;
            font-size: 0.82rem;
            opacity: 0.75;
            margin-top: 2px;
        }
        .member-card-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 24px;
        }
        .member-card-body p {
            font-size: 0.78rem;
            opacity: 0.65;
            margin-bottom: 4px;
        }
        .member-card-body strong {
            font-size: 1.1rem;
            letter-spacing: 0.5px;
        }
        .member-card-body strong span {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .member-card-footer {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 12px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
        }
        .member-card-footer i {
            color: var(--color-accent);
        }

        /* ===== Benefits ===== */
        .benefits {
            position: relative;
        }
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .benefit-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-main);
            opacity: 0;
            transition: opacity .3s;
        }
        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .benefit-card:hover::before {
            opacity: 1;
        }
        .benefit-icon {
            width: 56px;
            height: 56px;
            background: var(--color-primary-light);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary-dark);
            margin-bottom: 20px;
        }
        .benefit-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .benefit-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== Levels ===== */
        .levels {
            background: linear-gradient(180deg, #f8fafc, #eef0ff 40%, #f8fafc);
        }
        .levels-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .level-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all .3s;
            position: relative;
            overflow: hidden;
        }
        .level-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .level-card::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 50%;
            transform: translateX(-50%);
            width: 140px;
            height: 140px;
            background: var(--gradient-main);
            border-radius: 50%;
            opacity: 0.08;
        }
        .level-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        .level-card:nth-child(1) .level-icon {
            background: linear-gradient(135deg, #94a3b8, #64748b);
        }
        .level-card:nth-child(2) .level-icon {
            background: linear-gradient(135deg, #cbd5e1, #94a3b8);
        }
        .level-card:nth-child(3) .level-icon {
            background: linear-gradient(135deg, #fbbf24, #d97706);
        }
        .level-card:nth-child(4) .level-icon {
            background: linear-gradient(135deg, #818cf8, #4f46e5);
        }
        .level-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .level-card .level-sub {
            color: var(--color-text-light);
            font-size: 0.82rem;
            margin-bottom: 20px;
        }
        .level-card ul {
            text-align: left;
            margin-bottom: 20px;
        }
        .level-card ul li {
            padding: 7px 0;
            font-size: 0.88rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .level-card ul li i {
            color: var(--color-success);
            font-size: 12px;
        }
        .level-badge {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 40px;
        }
        .level-card:nth-child(4) .level-badge {
            background: linear-gradient(135deg, #818cf8, #4f46e5);
            color: #fff;
        }

        /* ===== Services ===== */
        .service-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 64px;
        }
        .service-row:last-child {
            margin-bottom: 0;
        }
        .service-row.reverse .service-img {
            order: 2;
        }
        .service-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .service-img img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .service-img:hover img {
            transform: scale(1.03);
        }
        .service-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.2));
        }
        .service-img .service-float {
            position: absolute;
            z-index: 2;
            bottom: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
            padding: 10px 18px;
            border-radius: 12px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .service-content .service-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 40px;
            margin-bottom: 14px;
        }
        .service-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .service-content p {
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .service-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
        }
        .service-list li i {
            color: var(--color-success);
            margin-top: 4px;
            font-size: 13px;
        }

        /* ===== Stats ===== */
        .stats {
            background: linear-gradient(135deg, #312e81, #5b21b6);
            color: #fff;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            top: -150px;
            right: -80px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #c7d2fe, #ddd6fe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            opacity: 0.85;
        }
        .stat-item .stat-icon {
            font-size: 22px;
            margin-bottom: 10px;
            opacity: 0.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .25s;
        }
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--color-text-light);
            transition: transform .3s;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            border-bottom: 1px solid var(--color-border);
            background: var(--color-primary-light);
        }
        .faq-item summary i {
            color: var(--color-primary);
            margin-right: 8px;
        }
        .faq-item .faq-answer {
            padding: 18px 24px;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            text-align: center;
            background: var(--color-white);
        }
        .cta-box {
            background: var(--gradient-main);
            border-radius: 28px;
            padding: 60px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            max-width: 900px;
            margin: 0 auto;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            top: -100px;
            right: -40px;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            bottom: -80px;
            left: 10%;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 30px;
            position: relative;
            z-index: 2;
        }
        .cta-box .btn-light {
            position: relative;
            z-index: 2;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }
        .footer-brand .logo-text {
            display: flex;
            align-items: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--gradient-main);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            margin-right: 10px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: #94a3b8;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-col ul li a i {
            font-size: 11px;
            opacity: 0.6;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #64748b;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 16px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 70px;
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .levels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .member-card {
                margin-left: 0;
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }
            .header-top {
                flex-wrap: wrap;
                gap: 10px;
            }
            .brand-logo {
                flex: 1;
                font-size: 1.08rem;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .header-search {
                order: 3;
                width: 100%;
                max-width: none;
            }
            .header-actions .btn {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-nav {
                display: none;
            }
            .header-nav.open {
                display: block;
            }
            .nav-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 0;
            }
            .nav-inner a {
                border-radius: 8px;
                border-bottom: none;
                border-left: 3px solid transparent;
                padding: 12px 16px;
            }
            .nav-inner a.active {
                border-left-color: var(--color-primary);
                border-bottom: none;
            }
            .hero {
                padding: 50px 0 60px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-btns .btn {
                justify-content: center;
            }
            .hero-meta {
                flex-direction: column;
                gap: 10px;
            }
            .service-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .service-row.reverse .service-img {
                order: 0;
            }
            .service-img img {
                height: 220px;
            }
            .cta-box {
                padding: 44px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .levels-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-item .stat-num {
                font-size: 1.8rem;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .member-card {
                padding: 20px;
            }
        }