/* roulang page: index */
:root{
  --primary:#173a66;
  --primary-2:#245797;
  --accent:#f0a13a;
  --accent-dark:#cc7f16;
  --bg-soft:#f3f6fa;
  --bg-deep:#0e1f38;
  --ink:#15283d;
  --ink-weak:#5b6e84;
  --border-line:#dde6f1;
  --card-shadow:0 14px 36px rgba(18,41,77,.12);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --space-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.75;
}
img{max-width:100%;height:auto;border-radius:var(--radius-md)}
a{color:var(--primary-2);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--accent-dark)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}

.grid-container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
}
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 28px rgba(18,41,77,.08)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:74px;
  gap:20px;
}
.brand{
  font-size:1.35rem;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:10px;
  white-space:nowrap;
}
.brand i{color:var(--accent);font-size:1.2rem}
.brand:hover{color:var(--primary)}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.site-nav a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 16px;
  border-radius:999px;
  color:var(--ink);
  font-size:.95rem;
  font-weight:500;
  transition:all .2s ease;
}
.site-nav a i{font-size:.85rem;color:var(--accent)}
.site-nav a:hover{background:var(--bg-soft);color:var(--primary)}
.site-nav a.active{
  background:var(--primary);
  color:#fff;
  font-weight:600;
}
.site-nav a.active i{color:#ffd08a}
.nav-cta{
  margin-left:10px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(135deg,var(--accent),#f7b955);
  color:#15283d !important;
  font-weight:700;
  padding:11px 22px !important;
  border-radius:999px;
  box-shadow:0 8px 20px rgba(240,161,58,.35);
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(240,161,58,.45);
  color:#15283d !important;
}
.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--border-line);
  border-radius:var(--radius-sm);
  padding:8px 12px;
  font-size:1.1rem;
  color:var(--primary);
  cursor:pointer;
}
.nav-toggle:hover{background:var(--bg-soft)}

.hero{
  position:relative;
  padding:170px 0 110px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-attachment:scroll;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(10,24,46,.88) 0%,rgba(15,36,68,.72) 45%,rgba(23,58,102,.35) 100%);
}
.hero-content{
  position:relative;
  max-width:760px;
  z-index:2;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 18px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  border-radius:999px;
  font-size:.85rem;
  font-weight:600;
  letter-spacing:1px;
  color:#ffe3b0;
  backdrop-filter:blur(6px);
  margin-bottom:22px;
}
.hero-badge i{font-size:.9rem}
.hero h1{
  font-size:3.1rem;
  line-height:1.18;
  font-weight:800;
  margin:0 0 20px;
  color:#fff;
  letter-spacing:.5px;
}
.hero h1 span{color:var(--accent)}
.hero p{
  font-size:1.12rem;
  line-height:1.8;
  margin:0 0 34px;
  color:rgba(255,255,255,.88);
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:50px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 30px;
  border-radius:999px;
  font-size:1rem;
  font-weight:700;
  border:none;
  cursor:pointer;
  transition:all .22s ease;
}
.btn i{font-size:.9rem}
.btn-primary{
  background:var(--accent);
  color:#15283d;
  box-shadow:0 10px 26px rgba(240,161,58,.4);
}
.btn-primary:hover{
  background:#ffb94f;
  transform:translateY(-3px);
  box-shadow:0 16px 34px rgba(240,161,58,.5);
  color:#15283d;
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.55);
}
.btn-outline:hover{
  background:rgba(255,255,255,.1);
  border-color:#fff;
  transform:translateY(-3px);
  color:#fff;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
}
.hero-stats .stat-item{
  border-left:2px solid rgba(240,161,58,.7);
  padding-left:14px;
}
.hero-stats .stat-num{
  font-size:1.7rem;
  font-weight:800;
  color:#fff;
  line-height:1.2;
}
.hero-stats .stat-label{
  font-size:.86rem;
  color:rgba(255,255,255,.7);
}

.section{padding:var(--space-section) 0}
.section-alt{background:var(--bg-soft)}
.section-deep{background:var(--bg-deep);color:#fff}
.section-head{
  text-align:center;
  max-width:700px;
  margin:0 auto 52px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-size:.88rem;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:2.2rem;
  line-height:1.3;
  margin:0 0 12px;
  color:var(--ink);
  font-weight:800;
}
.section-deep .section-head h2{color:#fff}
.section-head p{
  font-size:1rem;
  color:var(--ink-weak);
  margin:0;
}
.section-deep .section-head p{color:rgba(255,255,255,.7)}

.about-grid,.category-grid,.step-grid,.feature-grid{display:flex;flex-wrap:wrap;gap:30px}
.card{
  background:#fff;
  border:1px solid var(--border-line);
  border-radius:var(--radius-lg);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--card-shadow);
}
.feature-card{
  flex:1;
  min-width:260px;
  padding:38px 32px;
  text-align:center;
}
.feature-icon{
  width:80px;height:80px;
  margin:0 auto 22px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.8rem;
  color:#fff;
  box-shadow:0 10px 24px rgba(36,87,151,.3);
}
.feature-card:nth-child(2) .feature-icon{
  background:linear-gradient(135deg,var(--accent),#f7b955);
  box-shadow:0 10px 24px rgba(240,161,58,.35);
}
.feature-card:nth-child(3) .feature-icon{
  background:linear-gradient(135deg,#2e9b8f,#3dc2b3);
  box-shadow:0 10px 24px rgba(46,155,143,.3);
}
.feature-card h3{font-size:1.2rem;margin:0 0 10px;color:var(--ink)}
.feature-card p{font-size:.95rem;color:var(--ink-weak);margin:0;line-height:1.8}

.category-card{
  flex:1;
  min-width:280px;
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background-size:cover;
  background-position:center;
  min-height:360px;
  display:flex;
  align-items:flex-end;
  cursor:pointer;
}
.category-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,31,56,.05) 0%,rgba(14,31,56,.85) 72%,rgba(14,31,56,.96) 100%);
  transition:background .3s ease;
}
.category-card:hover::after{
  background:linear-gradient(180deg,rgba(14,31,56,.02) 0%,rgba(14,31,56,.9) 72%,rgba(14,31,56,.98) 100%);
}
.category-card .category-body{
  position:relative;
  z-index:2;
  padding:30px;
  color:#fff;
}
.category-body .cat-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:1px;
  color:#ffe3b0;
  margin-bottom:8px;
}
.category-body h3{
  font-size:1.45rem;
  margin:0 0 8px;
  color:#fff;
  font-weight:800;
}
.category-body p{
  font-size:.92rem;
  color:rgba(255,255,255,.78);
  margin:0 0 16px;
  line-height:1.7;
}
.category-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:#fff;
  font-weight:700;
  font-size:.92rem;
  border-bottom:2px solid var(--accent);
  padding-bottom:3px;
  transition:gap .2s ease;
}
.category-link:hover{color:var(--accent);gap:11px}

.post-grid{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
}
.post-card{
  flex:1 1 calc(33.333% - 19px);
  min-width:280px;
  background:#fff;
  border:1px solid var(--border-line);
  border-radius:var(--radius-lg);
  padding:26px 26px 22px;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--card-shadow);
}
.post-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:var(--bg-soft);
  border:1px solid var(--border-line);
  color:var(--primary);
  font-size:.78rem;
  font-weight:700;
  padding:4px 12px;
  border-radius:999px;
}
.tag i{font-size:.7rem;color:var(--accent)}
.post-meta time{
  font-size:.8rem;
  color:var(--ink-weak);
}
.post-card h3{
  font-size:1.07rem;
  line-height:1.55;
  margin:0 0 10px;
  font-weight:700;
}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--primary-2)}
.post-card p{
  font-size:.9rem;
  color:var(--ink-weak);
  margin:0 0 18px;
  flex:1;
  line-height:1.75;
  display:-webkit-box;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:3;
  overflow:hidden;
}
.read-more{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:.88rem;
  font-weight:700;
  color:var(--primary);
  border-top:1px solid var(--border-line);
  padding-top:14px;
}
.read-more:hover{color:var(--accent-dark)}
.read-more i{font-size:.75rem;transition:transform .2s}
.read-more:hover i{transform:translateX(4px)}
.empty-text{
  background:var(--bg-soft);
  border:1px dashed var(--border-line);
  border-radius:var(--radius-md);
  text-align:center;
  padding:36px;
  color:var(--ink-weak);
  font-size:1rem;
}

.data-section{
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  position:relative;
  padding:var(--space-section) 0;
}
.data-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,31,56,.94),rgba(23,58,102,.82));
}
.data-section .grid-container{position:relative;z-index:2}
.data-grid{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  margin-top:20px;
}
.data-item{
  flex:1;
  min-width:200px;
  text-align:center;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:36px 20px;
  backdrop-filter:blur(8px);
  transition:background .25s ease,transform .25s;
}
.data-item:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.data-item .data-num{
  font-size:2rem;
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
}
.data-item .data-label{
  font-size:.9rem;
  color:rgba(255,255,255,.75);
  margin-top:8px;
}

.step-grid{display:flex;flex-wrap:wrap;gap:26px;counter-reset:step}
.step-card{
  flex:1;
  min-width:220px;
  background:#fff;
  border:1px solid var(--border-line);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow)}
.step-card::before{
  counter-increment:step;
  content:"0" counter(step);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#f7b955);
  color:#15283d;
  font-size:1rem;
  font-weight:800;
  margin-bottom:20px;
  box-shadow:0 8px 18px rgba(240,161,58,.35);
}
.step-card h3{font-size:1.1rem;margin:0 0 8px;color:var(--ink)}
.step-card p{font-size:.9rem;color:var(--ink-weak);margin:0;line-height:1.75}

.feature-block{
  display:flex;
  flex-wrap:wrap;
  gap:50px;
  align-items:center;
}
.feature-text{flex:1;min-width:280px}
.feature-text h2{
  font-size:2rem;
  line-height:1.4;
  margin:0 0 16px;
  font-weight:800;
  color:var(--ink);
}
.feature-text p{
  font-size:1rem;
  color:var(--ink-weak);
  line-height:1.9;
  margin:0 0 26px;
}
.feature-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-bottom:12px;
  color:var(--ink);
  font-size:.96rem;
}
.feature-list i{
  color:var(--accent);
  margin-top:5px;
  font-size:.85rem;
}
.feature-image{flex:1;min-width:280px}
.feature-image img{
  width:100%;
  border-radius:var(--radius-lg);
  box-shadow:var(--card-shadow);
  display:block;
}

.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--border-line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  padding:0;
  overflow:hidden;
  transition:box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--card-shadow)}
.faq-item summary{
  cursor:pointer;
  padding:20px 24px;
  font-size:1rem;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  list-style:none;
}
.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:.8rem;
  color:var(--accent);
  transition:transform .25s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item .faq-answer{
  padding:0 24px 22px;
  color:var(--ink-weak);
  font-size:.94rem;
  line-height:1.85;
  border-top:1px dashed var(--border-line);
  margin:0 24px;
  padding-top:16px;
  margin-top:0;
  padding-bottom:20px;
  padding-left:0;
  padding-right:0;
}

.cta-box{
  position:relative;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  border-radius:28px;
  padding:64px 56px;
  text-align:center;
  overflow:hidden;
  box-shadow:var(--card-shadow);
}
.cta-box::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(14,31,56,.92),rgba(23,58,102,.78));
}
.cta-box > *{position:relative;z-index:2}
.cta-box h3{
  color:#fff;
  font-size:2rem;
  font-weight:800;
  margin:0 0 14px;
}
.cta-box p{
  color:rgba(255,255,255,.82);
  font-size:1.02rem;
  max-width:560px;
  margin:0 auto 30px;
  line-height:1.8;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.btn-light{
  background:#fff;
  color:var(--primary);
  box-shadow:0 8px 22px rgba(0,0,0,.16);
}
.btn-light:hover{
  background:var(--accent);
  color:#15283d;
  transform:translateY(-3px);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.5);
}
.btn-ghost:hover{
  border-color:#fff;
  background:rgba(255,255,255,.1);
  transform:translateY(-3px);
  color:#fff;
}

.site-footer{
  background:var(--bg-deep);
  color:#a8b7cc;
  padding:60px 0 0;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  flex:1.4;
  min-width:260px;
}
.footer-logo{
  font-size:1.4rem;
  font-weight:800;
  color:#fff;
  margin-bottom:12px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-logo i{color:var(--accent)}
.footer-brand p{
  font-size:.9rem;
  line-height:1.8;
  max-width:320px;
  margin:0;
}
.footer-column{
  flex:1;
  min-width:150px;
}
.footer-column h4{
  color:#fff;
  font-size:1rem;
  font-weight:700;
  margin:0 0 14px;
}
.footer-column a{
  display:flex;
  align-items:center;
  gap:7px;
  color:#a8b7cc;
  font-size:.9rem;
  margin-bottom:9px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-column a i{font-size:.65rem;color:var(--accent)}
.footer-column a:hover{color:var(--accent);padding-left:5px}
.footer-info{
  flex:1;
  min-width:200px;
}
.footer-info h4{
  color:#fff;
  font-size:1rem;
  font-weight:700;
  margin:0 0 14px;
}
.footer-info p{
  font-size:.88rem;
  line-height:1.8;
  margin:0 0 6px;
}
.domain{
  color:var(--accent);
  font-weight:600;
  letter-spacing:.5px;
}
.footer-bottom{
  padding:22px 0;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:.84rem;
  color:#71839b;
}
.footer-bottom p{margin:0}

@media screen and (max-width:1024px){
  .hero h1{font-size:2.5rem}
  .section{padding:68px 0}
  .post-card{flex:1 1 calc(50% - 14px)}
}
@media screen and (max-width:768px){
  .site-nav{
    display:none;
    position:absolute;
    top:74px;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--border-line);
    flex-direction:column;
    align-items:stretch;
    padding:14px 24px 20px;
    box-shadow:0 18px 40px rgba(18,41,77,.12);
    gap:6px;
  }
  .site-nav.open{display:flex}
  .site-nav a{
    padding:13px 16px;
    border-radius:var(--radius-sm);
    justify-content:flex-start;
  }
  .nav-cta{margin-left:0;margin-top:8px;justify-content:center}
  .nav-toggle{display:inline-flex}
  .hero{padding:140px 0 80px}
  .hero h1{font-size:2.05rem}
  .hero p{font-size:1rem}
  .hero-actions .btn{width:100%}
  .section-head h2{font-size:1.7rem}
  .cta-box{padding:48px 26px}
  .cta-box h3{font-size:1.5rem}
  .footer-top{gap:28px}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px}
  .brand{font-size:1.1rem}
  .header-inner{height:64px}
  .site-nav{top:64px}
  .hero h1{font-size:1.75rem}
  .hero-stats{gap:18px}
  .hero-stats .stat-item{width:calc(50% - 10px)}
  .stat-num{font-size:1.35rem}
  .feature-card,.category-card{min-width:100%}
  .post-card{flex:1 1 100%}
  .step-card{min-width:100%}
  .data-item{min-width:calc(50% - 15px)}
  .feature-text h2{font-size:1.6rem}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --bg: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --space-section: 80px;
  --font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 页头导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  height: 70px;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
}
.brand i {
  color: var(--primary);
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .25s, color .25s, transform .2s;
}
.site-nav a:hover {
  background: #eef2ff;
  color: var(--primary);
  transform: translateY(-1px);
}
.site-nav a.active {
  background: #eef2ff;
  color: var(--primary);
  font-weight: 600;
}
.site-nav a.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 8px;
  padding: 10px 20px;
  margin-left: 8px;
  box-shadow: 0 4px 12px rgba(79,70,229,0.3);
  font-weight: 600;
}
.site-nav a.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(79,70,229,0.4);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--dark);
  padding: 8px;
}

/* 页面横幅 */
.page-banner {
  position: relative;
  padding: 90px 0 70px;
  background: linear-gradient(rgba(15,23,42,0.7), rgba(15,23,42,0.7)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.9); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb i { font-size: 0.7rem; }
.banner-badge {
  display: inline-block;
  background: rgba(245,158,11,0.2);
  border: 1px solid rgba(245,158,11,0.4);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.page-banner h1 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.4;
  max-width: 900px;
  margin: 0 auto 18px;
  letter-spacing: -0.01em;
}
.article-meta-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
}
.article-meta-banner span { display: flex; align-items: center; gap: 6px; }
.article-meta-banner i { color: var(--accent-light); }

/* 文章主体 */
.article-main { padding: 60px 0 80px; }
.article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
.article-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 44px;
  border: 1px solid var(--border);
}
.article-content { font-size: 15.5px; line-height: 1.9; color: #334155; }
.article-content h2 {
  font-size: 1.4rem;
  color: var(--dark);
  margin: 40px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.15rem;
  color: var(--dark);
  margin: 32px 0 12px;
  line-height: 1.5;
}
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: #fffbeb;
  padding: 18px 24px;
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #92400e;
  font-style: italic;
}
.article-content img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow-sm); }
.article-content a { color: var(--primary); border-bottom: 1px solid transparent; }
.article-content a:hover { border-bottom-color: var(--primary); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-content th {
  background: #f1f5f9;
  font-weight: 600;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid var(--border);
}
.article-content td { padding: 14px 18px; border-bottom: 1px solid var(--border); }
.article-content tr:last-child td { border-bottom: none; }
.article-content code {
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--primary);
}

/* 文章标签 */
.article-tags { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-light);
  transition: background .2s, color .2s, border-color .2s;
}
.tag:hover { background: #eef2ff; color: var(--primary); border-color: var(--primary-light); }

/* 侧边栏 */
.sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}
.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--primary); }
.info-list { display: flex; flex-direction: column; gap: 14px; }
.info-list-item { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--text-light); }
.info-list-item i { color: var(--primary); width: 18px; text-align: center; }
.info-list-item strong { color: var(--text); font-weight: 600; margin-left: auto; }

.sidebar-list { display: flex; flex-direction: column; }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text);
  transition: color .2s, padding-left .2s;
}
.sidebar-list a:last-child { border-bottom: none; }
.sidebar-list a:hover { color: var(--primary); padding-left: 6px; }
.sidebar-list a i { color: var(--accent); font-size: 0.7rem; }
.sidebar-list .side-arrow { margin-left: auto; color: var(--text-light); font-size: 0.75rem; }
.sidebar-list a:hover .side-arrow { color: var(--primary); }

.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-tags a {
  background: #f1f5f9;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--text-light);
  transition: background .2s, color .2s;
}
.sidebar-tags a:hover { background: var(--primary); color: #fff; }

.sidebar-cta {
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow);
}
.sidebar-cta h3 { color: #fff; font-size: 1.05rem; margin-bottom: 10px; }
.sidebar-cta p { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 18px; line-height: 1.6; }
.sidebar-cta a {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #78350f;
  font-weight: 700;
  padding: 10px 26px;
  border-radius: 8px;
  font-size: 0.85rem;
  transition: transform .2s, box-shadow .2s;
}
.sidebar-cta a:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(245,158,11,0.35); }

/* 相关推荐 */
.related-section { background: var(--white); padding: var(--space-section) 0; border-top: 1px solid var(--border); }
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 { font-size: 1.8rem; color: var(--dark); font-weight: 700; margin-bottom: 8px; }
.section-head p { color: var(--text-light); font-size: 0.95rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15,23,42,0.8);
  color: #fff;
  font-size: 0.7rem;
  padding: 4px 14px;
  border-radius: 30px;
  letter-spacing: 0.02em;
}
.related-card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.related-card-body h3 { font-size: 1rem; font-weight: 600; color: var(--dark); line-height: 1.5; margin-bottom: 10px; transition: color .2s; }
.related-card:hover .related-card-body h3 { color: var(--primary); }
.related-card-body p { font-size: 0.82rem; color: var(--text-light); line-height: 1.7; flex: 1; }
.related-card-foot { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; font-size: 0.78rem; color: var(--text-light); }
.related-card-foot i { margin-right: 4px; }

/* CTA区 */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 72px 0;
  text-align: center;
}
.cta-section h2 { color: #fff; font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 0.95rem; max-width: 620px; margin: 0 auto 32px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s, background .2s;
  border: none;
  cursor: pointer;
}
.btn-accent {
  background: var(--accent);
  color: #78350f;
  box-shadow: 0 4px 14px rgba(245,158,11,0.35);
}
.btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,158,11,0.45); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* FAQ */
.faq-section { padding: var(--space-section) 0; }
.faq-grid { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 28px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--primary); font-size: 1rem; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: auto;
  color: var(--text-light);
  transition: transform .3s;
  font-size: 0.8rem;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 28px 22px 58px; font-size: 0.88rem; color: var(--text-light); line-height: 1.8; }

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-logo i { color: var(--accent); }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; max-width: 340px; }
.footer-column h4, .footer-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-column a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color .2s, padding-left .2s;
}
.footer-column a:hover { color: var(--accent); padding-left: 4px; }
.footer-column a i { font-size: 0.7rem; }
.footer-info p { font-size: 0.85rem; line-height: 1.8; }
.footer-info .domain { font-family: 'SF Mono', monospace; color: var(--accent); font-weight: 500; }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* 内容未找到 */
.not-found { text-align: center; padding: 60px 20px; }
.not-found i { font-size: 3rem; color: var(--text-light); margin-bottom: 16px; }
.not-found h2 { font-size: 1.5rem; color: var(--dark); margin-bottom: 12px; }
.not-found p { color: var(--text-light); margin-bottom: 24px; }
.not-found a {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 10px 30px;
  border-radius: 8px;
  font-weight: 600;
  transition: background .2s, transform .2s;
}
.not-found a:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* 移动端导航 */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --space-section: 48px; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: 12px 16px; font-size: 0.95rem; }
  .site-nav a.nav-cta { margin: 8px 0 0; text-align: center; justify-content: center; }
  .page-banner { padding: 56px 0 44px; }
  .page-banner h1 { font-size: 1.6rem; }
  .article-meta-banner { flex-wrap: wrap; gap: 12px 16px; }
  .article-card { padding: 28px 20px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .faq-item summary { padding: 18px 20px; font-size: 0.88rem; }
  .faq-answer { padding: 0 20px 18px 48px; }
  .cta-section h2 { font-size: 1.4rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
}
@media (max-width: 520px) {
  .grid-container { padding: 0 16px; }
  .brand { font-size: 1.1rem; }
  .page-banner h1 { font-size: 1.35rem; }
  .related-grid { grid-template-columns: 1fr; }
  .article-card { padding: 22px 16px; border-radius: 12px; }
  .sidebar { gap: 18px; }
  .sidebar-card { padding: 20px; }
  .breadcrumb { font-size: 0.75rem; }
  .article-meta-banner { font-size: 0.75rem; }
}

/* roulang page: category1 */
:root {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg: #f4f6fa;
  --bg-deep: #0f1f3d;
  --white: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e6eaf2;
  --border-dark: #d1d9e6;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(15, 31, 61, 0.06);
  --shadow: 0 6px 24px rgba(15, 31, 61, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 31, 61, 0.14);
  --section-space: 84px;
  --font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input { font-family: inherit; border: none; outline: none; }
input:focus { box-shadow: 0 0 0 3px rgba(29, 78, 216, .18); }

.grid-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s, opacity .25s;
  box-shadow: 0 4px 14px rgba(29, 78, 216, .30);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(29, 78, 216, .38);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(29, 78, 216, .3); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  border: 2px solid rgba(29, 78, 216, .35);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 50px;
  cursor: pointer;
  transition: all .25s;
}
.btn-outline:hover {
  background: rgba(29, 78, 216, .08);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ---------- 标签 & 徽章 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(29, 78, 216, .08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 30px;
  transition: all .25s;
  cursor: default;
}
.tag:hover { background: rgba(29, 78, 216, .14); }
.tag.accent { background: rgba(245, 158, 11, .12); color: #b45309; }
.tag.green { background: rgba(16, 185, 129, .1); color: #047857; }
.badge {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 30px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, .35);
}

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: .5px;
  white-space: nowrap;
}
.brand i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 12px;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(29, 78, 216, .3);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 50px;
  transition: all .25s;
}
.site-nav a:hover { color: var(--primary); background: rgba(29, 78, 216, .06); }
.site-nav a.active { color: var(--primary); background: rgba(29, 78, 216, .1); font-weight: 600; }
.site-nav a.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  font-weight: 600;
  padding: 10px 24px;
  box-shadow: 0 4px 14px rgba(29, 78, 216, .3);
  margin-left: 8px;
}
.site-nav a.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(29, 78, 216, .4);
}
.nav-toggle {
  display: none;
  background: transparent;
  font-size: 22px;
  color: var(--primary-dark);
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  transition: background .25s;
}
.nav-toggle:hover { background: rgba(29, 78, 216, .08); }

/* ---------- 内页横幅 ---------- */
.page-banner {
  position: relative;
  background: linear-gradient(120deg, rgba(15, 31, 61, .95) 0%, rgba(30, 58, 138, .88) 55%, rgba(59, 130, 246, .8) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 90px 0 80px;
  color: #fff;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  pointer-events: none;
}
.banner-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 18px;
  backdrop-filter: blur(4px);
}
.page-banner h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.page-banner p {
  font-size: 17px;
  color: rgba(255, 255, 255, .85);
  max-width: 640px;
  margin-bottom: 30px;
}
.banner-search {
  display: flex;
  gap: 10px;
  max-width: 560px;
  background: #fff;
  border-radius: 50px;
  padding: 6px 6px 6px 22px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, .22);
}
.banner-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 15px;
  color: var(--text);
  min-width: 0;
}
.banner-search button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 50px;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(29, 78, 216, .3);
}
.banner-search button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(29, 78, 216, .4); }

/* ---------- 板块标题 ---------- */
.section {
  padding: var(--section-space) 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  position: relative;
  padding-left: 16px;
  line-height: 1.3;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 5px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s;
  padding: 8px 16px;
  border-radius: 50px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.section-link:hover { color: var(--primary); border-color: var(--primary-light); transform: translateX(3px); }

/* ---------- 资讯标签栏 ---------- */
.tag-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.tag-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-right: 4px;
}
.tag-link {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 7px 18px;
  border-radius: 50px;
  transition: all .25s;
  cursor: pointer;
}
.tag-link:hover {
  color: var(--primary);
  border-color: var(--primary-light);
  background: rgba(29, 78, 216, .05);
}
.tag-link.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(29, 78, 216, .25);
}

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

/* ---------- 重点推荐 ---------- */
.featured-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
}
.featured-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  grid-row: span 2;
}
.featured-main .featured-image {
  position: relative;
  height: 300px;
  overflow: hidden;
}
.featured-main .featured-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.featured-main:hover .featured-image img { transform: scale(1.04); }
.featured-main .featured-image .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
}
.featured-main .featured-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 31, 61, .35));
}
.featured-body { padding: 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.featured-body h3 { font-size: 22px; font-weight: 700; line-height: 1.4; }
.featured-body h3 a { color: var(--text); }
.featured-body h3 a:hover { color: var(--primary); }
.featured-body p { color: var(--text-muted); font-size: 14px; line-height: 1.75; }
.meta {
  display: flex;
  gap: 18px;
  color: var(--text-light);
  font-size: 13px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.meta span { display: inline-flex; align-items: center; gap: 6px; }
.featured-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  display: flex;
  gap: 16px;
  padding: 18px;
  overflow: hidden;
}
.side-card .side-image {
  flex: 0 0 120px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.side-card .side-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.side-card:hover .side-image img { transform: scale(1.06); }
.side-body { display: flex; flex-direction: column; gap: 6px; justify-content: center; flex: 1; min-width: 0; }
.side-body h3 { font-size: 16px; font-weight: 600; line-height: 1.45; }
.side-body h3 a { color: var(--text); }
.side-body h3 a:hover { color: var(--primary); }
.side-body p { font-size: 13px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-body .meta { border-top: none; padding-top: 0; margin-top: 0; font-size: 12px; }
.side-body .meta span { gap: 4px; }

/* ---------- 最新资讯列表 ---------- */
.news-list-section { padding: 70px 0; }
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .3s;
  position: relative;
}
.news-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.news-date {
  flex: 0 0 70px;
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  border: 1px solid var(--border);
}
.news-date .day {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.news-date .month {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.news-content { flex: 1; min-width: 0; }
.news-tags { display: flex; gap: 8px; margin-bottom: 8px; }
.news-content h3 { font-size: 18px; font-weight: 700; line-height: 1.4; margin-bottom: 6px; }
.news-content h3 a { color: var(--text); }
.news-content h3 a:hover { color: var(--primary); }
.news-content p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; gap: 20px; color: var(--text-light); font-size: 13px; }
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination .page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s;
}
.pagination .page:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.pagination .page.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(29, 78, 216, .3);
}

/* ---------- 排行 & 数据 ---------- */
.rank-section { padding: 0 0 var(--section-space); }
.rank-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
}
.rank-card, .data-card { padding: 28px; }
.rank-card .section-head, .data-card .section-head { margin-bottom: 20px; }
.rank-card .section-head h2, .data-card .section-head h2 { font-size: 22px; }
.rank-list { display: flex; flex-direction: column; }
.rank-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 6px;
  border-bottom: 1px solid var(--border);
  transition: background .25s;
}
.rank-list li:last-child { border-bottom: none; }
.rank-list li:hover { background: var(--bg); border-radius: var(--radius-sm); }
.rank-num {
  flex: 0 0 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-weight: 800;
  font-size: 16px;
  color: var(--text-muted);
}
.rank-list li:nth-child(1) .rank-num { background: linear-gradient(135deg, #f59e0b, #fbbf24); border-color: transparent; color: #fff; box-shadow: 0 3px 10px rgba(245, 158, 11, .35); }
.rank-list li:nth-child(2) .rank-num { background: linear-gradient(135deg, #64748b, #94a3b8); border-color: transparent; color: #fff; }
.rank-list li:nth-child(3) .rank-num { background: linear-gradient(135deg, #b45309, #d97706); border-color: transparent; color: #fff; }
.rank-info { flex: 1; min-width: 0; }
.rank-info h4 { font-size: 15px; font-weight: 600; line-height: 1.4; margin-bottom: 2px; }
.rank-info h4 a { color: var(--text); }
.rank-info h4 a:hover { color: var(--primary); }
.rank-info p { font-size: 12px; color: var(--text-light); }
.rank-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-light);
  font-size: 13px;
  transition: all .25s;
  margin-top: 6px;
}
.rank-more:hover { color: var(--primary); transform: translateX(3px); }
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
  transition: all .3s;
}
.stat:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}
.stat span { display: block; font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ---------- 订阅 CTA ---------- */
.newsletter-cta {
  padding: 0 0 var(--section-space);
}
.cta-box {
  position: relative;
  background: linear-gradient(120deg, rgba(15, 31, 61, .97), rgba(30, 58, 138, .92)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius: var(--radius-lg);
  padding: 50px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  overflow: hidden;
  color: #fff;
}
.cta-box::after {
  content: '';
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .05);
}
.cta-content { flex: 1; max-width: 520px; position: relative; z-index: 1; }
.cta-content h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-content p { color: rgba(255, 255, 255, .8); font-size: 15px; }
.subscribe-form {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  flex: 0 0 420px;
  background: #fff;
  border-radius: 50px;
  padding: 6px 6px 6px 22px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .25);
}
.subscribe-form input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}
.subscribe-form button {
  background: linear-gradient(135deg, var(--accent), #d97706);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 50px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .25s, box-shadow .25s;
  box-shadow: 0 4px 12px rgba(245, 158, 11, .35);
}
.subscribe-form button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 158, 11, .45); }

/* ---------- FAQ ---------- */
.faq-section { padding: 0 0 var(--section-space); }
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.faq-item.active { border-color: var(--primary-light); box-shadow: var(--shadow); }
.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  background: transparent;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color .25s;
}
.faq-toggle:hover { color: var(--primary); }
.faq-toggle .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(29, 78, 216, .08);
  color: var(--primary);
  transition: transform .3s, background .3s;
  font-size: 13px;
}
.faq-item.active .faq-toggle .icon { transform: rotate(180deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 22px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .75);
  padding: 54px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr .8fr .9fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-logo i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  font-size: 17px;
  color: #fff;
}
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .6); max-width: 380px; }
.footer-column h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-column a {
  display: block;
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  padding: 6px 0;
  transition: all .25s;
}
.footer-column a i { font-size: 11px; margin-right: 6px; color: var(--accent); }
.footer-column a:hover { color: #fff; padding-left: 6px; }
.footer-info h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.footer-info .domain {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: .5px;
}
.footer-info p { font-size: 14px; color: rgba(255, 255, 255, .6); line-height: 1.8; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 18px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  :root { --section-space: 68px; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-main .featured-image { height: 280px; }
  .featured-side { flex-direction: row; }
  .side-card { flex: 1; }
  .rank-grid { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 40px 32px; }
  .subscribe-form { flex-basis: 100%; width: 100%; }
  .newsletter-cta .subscribe-form { flex-direction: row; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-space: 56px; }
  .site-header { position: relative; }
  .header-inner { flex-wrap: wrap; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .site-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 12px 0 18px;
    gap: 4px;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 12px 14px;
    justify-content: flex-start;
    border-radius: 10px;
  }
  .site-nav a.nav-cta { margin-left: 0; justify-content: center; }
  .page-banner { padding: 56px 0 52px; }
  .page-banner h1 { font-size: 30px; }
  .banner-search { flex-direction: column; background: transparent; padding: 0; box-shadow: none; gap: 12px; }
  .banner-search input {
    background: #fff;
    border-radius: 50px;
    padding: 13px 20px;
  }
  .banner-search button { width: 100%; justify-content: center; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-head h2 { font-size: 24px; }
  .tag-wrapper { gap: 8px; }
  .featured-side { flex-direction: column; }
  .side-card { flex-direction: row; }
  .news-item { flex-direction: column; gap: 14px; padding: 20px; }
  .news-date { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; text-align: left; padding: 8px 18px; }
  .news-date .day { font-size: 22px; }
  .news-date .month { margin-top: 0; }
  .news-meta { flex-wrap: wrap; gap: 12px; }
  .subscribe-form { flex-direction: column; padding: 16px; border-radius: 18px; }
  .subscribe-form input { border: 1px solid var(--border); background: var(--bg); border-radius: 50px; padding: 12px 18px; }
  .subscribe-form button { width: 100%; justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .cta-box { padding: 32px 24px; }
  .cta-content h2 { font-size: 23px; }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .brand { font-size: 17px; gap: 8px; }
  .brand i { width: 34px; height: 34px; font-size: 15px; }
  .page-banner h1 { font-size: 25px; }
  .page-banner p { font-size: 15px; }
  .section-head h2 { font-size: 21px; }
  .featured-body h3 { font-size: 18px; }
  .featured-main .featured-image { height: 220px; }
  .side-card { flex-direction: column; }
  .side-card .side-image { flex-basis: auto; width: 100%; height: 160px; }
  .news-item { padding: 16px; }
  .news-content h3 { font-size: 16px; }
  .rank-card, .data-card { padding: 20px; }
  .stat strong { font-size: 26px; }
  .cta-content h2 { font-size: 20px; }
  .faq-toggle { font-size: 15px; padding: 16px 18px; }
  .faq-answer { padding: 0 18px; font-size: 14px; }
  .faq-item.active .faq-answer { padding: 0 18px 18px; }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
  --primary: #e63946;
  --primary-dark: #c72535;
  --primary-light: #ff6b6b;
  --secondary: #f4a261;
  --accent: #2a9d8f;
  --dark-bg: #0d1b2a;
  --dark-bg-2: #1b2838;
  --light-bg: #f7f9fc;
  --card-bg: #ffffff;
  --text-dark: #1a1a2e;
  --text-body: #3d405b;
  --text-muted: #7a7d9c;
  --border: #e8ecf1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3.5rem;
  --space-xl: 5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础 Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--light-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul,
ol {
  list-style: none;
}

button,
input {
  font-family: inherit;
  border: none;
  outline: none;
}

/* ===== 容器 ===== */
.grid-container {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
}

.section {
  padding: var(--space-xl) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
}

.section-header .section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(244, 162, 97, 0.12));
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.35rem 1.2rem;
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  font-size: 2.2rem;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  font-weight: 800;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ===== 导航 ===== */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(232, 236, 241, 0.8);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-dark);
  white-space: nowrap;
}

.brand i {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 10px;
  font-size: 1.05rem;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
}

.site-nav a:hover {
  color: var(--primary);
  background: rgba(230, 57, 70, 0.04);
}

.site-nav a.active {
  color: var(--primary);
  background: rgba(230, 57, 70, 0.08);
  font-weight: 600;
}

.site-nav a.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 0.55rem 1.4rem;
  border-radius: 50px;
  margin-left: 0.5rem;
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
  font-weight: 600;
}

.site-nav a.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  font-size: 1.4rem;
  color: var(--text-dark);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 8px;
}

/* ===== 页面 Banner ===== */
.page-banner {
  position: relative;
  background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-2));
  background-image: linear-gradient(rgba(13, 27, 42, 0.88), rgba(13, 27, 42, 0.92)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 6rem 0 4.5rem;
  color: #fff;
}

.page-banner .banner-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.page-banner .banner-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffd6d9;
  font-size: 0.85rem;
  padding: 0.35rem 1.2rem;
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: 1.4rem;
}

.page-banner h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.2rem;
  color: #fff;
}

.page-banner p {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.banner-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 18px rgba(230, 57, 70, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(230, 57, 70, 0.42);
  color: #fff;
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  background: transparent;
  padding: 1rem 0;
  margin-top: -1px;
  border-bottom: 1px solid var(--border);
}

.breadcrumb-wrap .breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb-wrap .breadcrumb a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.breadcrumb-wrap .breadcrumb a:hover {
  color: var(--primary);
  background: rgba(230, 57, 70, 0.04);
}

.breadcrumb-wrap .breadcrumb i {
  font-size: 0.75rem;
  color: #bbb;
}

.breadcrumb-wrap .breadcrumb span {
  color: var(--primary);
  font-weight: 500;
}

/* ===== 快速问题导航 ===== */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.quick-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(230, 57, 70, 0.2);
}

.quick-card:hover .quick-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.quick-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  font-size: 1.6rem;
  background: rgba(230, 57, 70, 0.08);
  color: var(--primary);
  border-radius: 18px;
  transition: var(--transition);
}

.quick-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.quick-card p {
  font-size: 0.8375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== FAQ 列表 ===== */
.faq-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(230, 57, 70, 0.25);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  gap: 1rem;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(247, 249, 252, 0.6);
}

.faq-question h3 {
  font-size: 1rem;
  color: var(--text-dark);
  font-weight: 600;
  flex: 1;
}

.faq-question .faq-icon {
  width: 30px;
  height: 30px;
  min-width: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(230, 57, 70, 0.08);
  color: var(--primary);
  font-size: 0.75rem;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.4rem;
  font-size: 0.9rem;
  color: var(--text-body);
  border-top: 1px dashed var(--border);
  margin: 0 1.5rem 0;
}

.faq-answer-inner p {
  margin: 0;
}

.faq-answer-inner ul {
  margin: 0.5rem 0 0;
  padding-left: 0;
  list-style: none;
}

.faq-answer-inner ul li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.4rem;
}

.faq-answer-inner ul li::before {
  content: "\f105";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.8rem;
}

/* 侧边栏 */
.faq-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
}

.sidebar-card h3 {
  font-size: 1.05rem;
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 1.1rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h3 i {
  color: var(--primary);
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-body);
  transition: var(--transition);
}

.sidebar-links a:hover {
  background: rgba(230, 57, 70, 0.04);
  color: var(--primary);
  transform: translateX(4px);
}

.sidebar-links a i {
  font-size: 0.8rem;
  color: var(--primary);
}

.sidebar-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--border);
}

.sidebar-stat:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-stat i {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(230, 57, 70, 0.08);
  color: var(--primary);
  font-size: 1rem;
}

.sidebar-stat .stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}

.sidebar-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== 分类入口卡片 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.category-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card .card-image {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.category-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .card-image img {
  transform: scale(1.05);
}

.category-card .card-image .card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(13, 27, 42, 0.75);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.25rem 0.9rem;
  border-radius: 100px;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
}

.category-card .card-body {
  padding: 1.5rem;
}

.category-card .card-body h3 {
  font-size: 1.15rem;
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.category-card .card-body p {
  font-size: 0.8875rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.6;
}

.category-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8875rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.category-card .card-link:hover {
  gap: 12px;
}

/* ===== 数据统计 ===== */
.stats-section {
  background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-2));
  background-image: linear-gradient(rgba(13, 27, 42, 0.9), rgba(13, 27, 42, 0.94)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: var(--space-xl) 0;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-block {
  padding: 1.5rem 1rem;
}

.stat-block .stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.3rem;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

.stat-block .stat-number span {
  font-size: 1.4rem;
  color: var(--secondary);
}

.stat-block .stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.stat-block .stat-line {
  width: 40px;
  height: 3px;
  background: var(--primary);
  border-radius: 4px;
  margin: 0.9rem auto;
}

/* ===== 帮助流程 ===== */
.steps-section {
  background: #fff;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
  counter-reset: steps;
}

.step-card {
  position: relative;
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--light-bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.step-card:hover {
  background: #fff;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step-card::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
  z-index: 2;
}

.step-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  font-size: 1.6rem;
  background: rgba(230, 57, 70, 0.08);
  color: var(--primary);
  border-radius: 16px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.6rem;
}

.step-card p {
  font-size: 0.8375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 联系 CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  background-image: linear-gradient(135deg, rgba(230,57,70,0.94), rgba(199,37,53,0.96)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 4.5rem 0;
  color: #fff;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #fff;
}

.cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-light {
  background: #fff;
  color: var(--primary);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: var(--primary-dark);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: #fff;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-brand .footer-logo i {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 10px;
  font-size: 0.95rem;
}

.footer-brand p {
  font-size: 0.89rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}

.footer-column h4,
.footer-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.footer-column a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.4rem 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

.footer-column a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-column a i {
  font-size: 0.75rem;
  color: var(--primary);
}

.footer-info .domain {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.footer-info p {
  font-size: 0.8375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}

.footer-bottom p {
  margin: 0;
}

/* ===== 响应式适配 ===== */
@media (max-width: 1024px) {
  .quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-layout {
    grid-template-columns: 1.5fr 1fr;
    gap: 1.8rem;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
  }

  .nav-toggle {
    display: block;
    z-index: 1001;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 5.5rem 1.5rem 2rem;
    gap: 0.5rem;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow-y: auto;
  }

  .site-nav.open {
    right: 0;
  }

  .site-nav a {
    width: 100%;
    font-size: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 10px;
  }

  .site-nav a.nav-cta {
    width: 100%;
    margin-left: 0;
    justify-content: center;
    margin-top: 0.5rem;
  }

  .page-banner {
    padding: 4rem 0 3rem;
  }

  .page-banner h1 {
    font-size: 2rem;
  }

  .page-banner p {
    font-size: 0.95rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-sidebar {
    position: static;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 520px) {
  .grid-container {
    width: 92%;
  }

  .section {
    padding: var(--space-lg) 0;
  }

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

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

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .stat-block .stat-number {
    font-size: 1.9rem;
  }

  .page-banner h1 {
    font-size: 1.6rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .banner-actions,
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .brand {
    font-size: 1.1rem;
  }

  .brand i {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

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

/* roulang page: category2 */
:root {
            --primary: #645cff;
            --primary-2: #7b6cf6;
            --primary-light: #eeeaff;
            --primary-dark: #4038b8;
            --secondary: #ff6b9d;
            --accent: #00c6ff;
            --deep: #0e1033;
            --deep-2: #1d2048;
            --bg: #f7f9fc;
            --bg-light: #eef1f8;
            --white: #ffffff;
            --text: #24263a;
            --text-muted: #6b7280;
            --border: #e6e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-lg: 28px;
            --shadow: 0 12px 32px rgba(42, 34, 120, .08);
            --shadow-hover: 0 22px 48px rgba(42, 34, 120, .15);
            --transition: all .35s cubic-bezier(.25, .46, .45, .94);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
            --section-pad: 92px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .grid-container {
            max-width: 1260px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 120;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(228, 232, 240, .8);
            box-shadow: 0 4px 24px rgba(20, 15, 80, .04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            position: relative;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: .3px;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand i {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(100, 92, 255, .3);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 12px;
            color: var(--text);
            font-weight: 600;
            font-size: .94rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .site-nav a i {
            margin-right: 7px;
            color: var(--text-muted);
            font-size: .9rem;
            transition: var(--transition);
        }

        .site-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-nav a:hover i {
            color: var(--primary);
        }

        .site-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-nav a.active i {
            color: var(--primary);
        }

        .site-nav .nav-cta {
            margin-left: 10px;
            padding: 12px 24px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            border: none;
            box-shadow: 0 8px 20px rgba(100, 92, 255, .32);
        }

        .site-nav .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(100, 92, 255, .42);
            color: #fff;
            background: linear-gradient(135deg, var(--primary-2), var(--primary));
        }

        .site-nav .nav-cta i {
            color: #fff;
        }

        .site-nav .nav-cta:hover i {
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            width: 46px;
            height: 46px;
            border-radius: 14px;
            font-size: 1.2rem;
            color: var(--text);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 112px 0 100px;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 40, .82) 0%, rgba(55, 41, 145, .72) 100%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -15%;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(100, 92, 255, .35), transparent 65%);
            z-index: 0;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: 999px;
            padding: 9px 22px;
            font-size: .9rem;
            font-weight: 600;
            letter-spacing: 1px;
            backdrop-filter: blur(8px);
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.22;
            margin: 0 0 20px;
            letter-spacing: 1px;
        }

        .page-hero p {
            max-width: 680px;
            margin: 0 auto;
            font-size: 1.12rem;
            color: rgba(255, 255, 255, .9);
            line-height: 1.8;
        }

        .hero-meta {
            margin-top: 30px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: .9rem;
            color: rgba(255, 255, 255, .82);
        }

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

        .hero-meta i {
            color: var(--accent);
        }

        .breadcrumb {
            margin-top: 26px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .85);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .9);
        }

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

        .breadcrumb i {
            font-size: .7rem;
            color: rgba(255, 255, 255, .6);
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: var(--section-pad) 0;
        }

        .section-block.bg-light {
            background: var(--bg-light);
        }

        .section-block.bg-deep {
            background: var(--deep);
            position: relative;
            overflow: hidden;
        }

        .section-block.bg-deep::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(100, 92, 255, .3), transparent 65%);
        }

        .section-head {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 58px;
        }

        .section-tag {
            display: inline-block;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: var(--primary-light);
            padding: 6px 18px;
            border-radius: 999px;
        }

        .section-head h2 {
            font-size: clamp(1.9rem, 3vw, 2.65rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            color: var(--text);
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.85;
            margin: 0;
        }

        .section-head.light h2 {
            color: #fff;
        }

        .section-head.light p {
            color: rgba(255, 255, 255, .82);
        }

        /* ========== Guide Intro ========== */
        .intro-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }

        .intro-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
        }

        .intro-card p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
            margin: 0;
        }

        .stats-row {
            margin-top: 20px;
        }

        .stat-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .stat-card strong {
            display: block;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .stat-card span {
            display: block;
            margin-top: 8px;
            color: var(--text-muted);
            font-size: .92rem;
            font-weight: 600;
        }

        /* ========== Guide Category Cards ========== */
        .category-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(100, 92, 255, .25);
        }

        .category-cover {
            height: 190px;
            position: relative;
            overflow: hidden;
        }

        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .category-card:hover .category-cover img {
            transform: scale(1.08);
        }

        .category-cover .cat-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            border-radius: 999px;
            padding: 5px 16px;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .5px;
            backdrop-filter: blur(6px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
        }

        .category-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
        }

        .category-body p {
            color: var(--text-muted);
            font-size: .94rem;
            line-height: 1.75;
            margin: 0 0 18px;
            flex: 1;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: .9rem;
        }

        .category-link i {
            font-size: .8rem;
            transition: transform .3s ease;
        }

        .category-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Steps ========== */
        .steps-grid {
            margin-top: 10px;
        }

        .step-card {
            position: relative;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 26px 28px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 22px;
            box-shadow: 0 8px 20px rgba(100, 92, 255, .3);
        }

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
        }

        .step-card p {
            font-size: .93rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== Guide List Cards ========== */
        .guide-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(100, 92, 255, .25);
        }

        .guide-cover {
            height: 180px;
            position: relative;
            overflow: hidden;
        }

        .guide-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .guide-card:hover .guide-cover img {
            transform: scale(1.06);
        }

        .guide-cover .guide-badge {
            position: absolute;
            right: 16px;
            bottom: 14px;
            background: rgba(14, 16, 51, .8);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: .75rem;
            font-weight: 600;
        }

        .guide-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-content h3 {
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 10px;
            color: var(--text);
        }

        .guide-content p {
            font-size: .92rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 18px;
            flex: 1;
        }

        .guide-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: .82rem;
            color: var(--text-muted);
        }

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

        .guide-meta a {
            font-weight: 700;
            font-size: .85rem;
        }

        /* ========== Feature Split / Image+Text ========== */
        .feature-split {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            padding: 0;
            display: flex;
            align-items: center;
            height: 100%;
        }

        .feature-img {
            height: 100%;
            min-height: 360px;
            position: relative;
            overflow: hidden;
        }

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .feature-content {
            padding: 46px;
            height: 100%;
        }

        .feature-content .feature-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .feature-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 16px;
            color: var(--text);
        }

        .feature-content p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: .98rem;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list li i {
            color: var(--primary);
            margin-top: 6px;
            flex-shrink: 0;
        }

        .feature-list strong {
            font-weight: 700;
            color: var(--text);
        }

        /* ========== FAQ Accordion ========== */
        .faq-accordion {
            background: transparent;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(100, 92, 255, .3);
        }

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 26px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            background: transparent;
            border: none;
            line-height: 1.5;
        }

        .faq-accordion .accordion-title:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .faq-accordion .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .82rem;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-content {
            border: none;
            background: #fbfbff;
            padding: 0 26px 24px;
            color: var(--text-muted);
            font-size: .96rem;
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--section-pad) 0;
            background: var(--deep);
            position: relative;
            color: #fff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 30%, rgba(100, 92, 255, .3), transparent 55%),
                radial-gradient(circle at 80% 70%, rgba(0, 198, 255, .22), transparent 50%);
        }

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

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(1.9rem, 3.4vw, 2.7rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 18px;
        }

        .cta-inner p {
            font-size: 1.08rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, .82);
            margin: 0 0 34px;
        }

        .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary,
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 700;
            font-size: .98rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            box-shadow: 0 10px 26px rgba(100, 92, 255, .35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 34px rgba(100, 92, 255, .45);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .45);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .75);
            padding: 70px 0 30px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 44px;
            margin-bottom: 44px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-logo i {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }

        .footer-brand p {
            font-size: .93rem;
            line-height: 1.85;
            margin: 0;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }

        .footer-column h4,
        .footer-info h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 18px;
            letter-spacing: .5px;
        }

        .footer-column a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .7);
            font-size: .92rem;
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-column a i {
            font-size: .75rem;
            color: var(--accent);
        }

        .footer-column a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-info p {
            font-size: .92rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            margin: 0 0 10px;
        }

        .footer-info .domain {
            font-weight: 700;
            color: rgba(255, 255, 255, .85);
            letter-spacing: 1px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: .86rem;
            color: rgba(255, 255, 255, .5);
            margin: 0;
        }

        /* ========== Focus States ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(100, 92, 255, .5);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 72px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }

            .feature-content {
                padding: 34px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
            }

            .page-hero {
                padding: 76px 0 70px;
            }

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

            .site-nav {
                position: absolute;
                top: calc(100% + 0px);
                left: 0;
                right: 0;
                background: var(--white);
                border-radius: 0 0 var(--radius) var(--radius);
                box-shadow: 0 20px 40px rgba(0, 0, 0, .12);
                flex-direction: column;
                align-items: stretch;
                padding: 18px;
                gap: 8px;
                border: 1px solid var(--border);
                border-top: none;
                display: none;
                z-index: 99;
            }

            .site-nav.open {
                display: flex;
            }

            .site-nav a {
                padding: 14px 16px;
                justify-content: flex-start;
                font-size: 1rem;
            }

            .site-nav .nav-cta {
                margin: 8px 0 0;
                justify-content: center;
            }

            .feature-split {
                flex-direction: column;
            }

            .feature-img {
                min-height: 240px;
                width: 100%;
                position: relative;
            }

            .feature-img img {
                position: absolute;
                height: 100%;
                width: 100%;
            }

            .feature-content {
                padding: 30px 24px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .header-inner {
                min-height: 70px;
                gap: 10px;
            }

            .brand {
                font-size: 1.04rem;
            }

            .brand i {
                width: 34px;
                height: 34px;
                font-size: .9rem;
            }

            .page-hero h1 {
                font-size: 1.75rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

            .intro-card {
                padding: 26px 20px;
            }

            .stat-card {
                padding: 24px 14px;
            }

            .stat-card strong {
                font-size: 1.7rem;
            }

            .category-cover {
                height: 170px;
            }

            .guide-cover {
                height: 160px;
            }

            .step-card {
                padding: 26px 20px;
            }

            .feature-img {
                min-height: 200px;
            }

            .feature-content {
                padding: 24px 20px;
            }

            .faq-accordion .accordion-title {
                padding: 18px 20px;
                font-size: .94rem;
            }

            .faq-accordion .accordion-content {
                padding: 0 20px 20px;
            }

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