/* roulang page: index */
:root{
  --primary:#3D7EB4;
  --primary-dark:#2C6393;
  --primary-light:#E8F1F8;
  --accent:#D98E32;
  --bg:#F5F9FC;
  --card:#FFFFFF;
  --text:#24354A;
  --text-secondary:#64748B;
  --text-muted:#94A3B8;
  --border:#E3EAF0;
  --shadow:0 6px 24px rgba(45,100,150,0.08);
  --shadow-hover:0 12px 30px rgba(45,100,150,0.12);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
section{position:relative;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:var(--radius-sm);font-weight:600;font-size:16px;line-height:1.4;transition:var(--transition);border:2px solid transparent;}
.btn i{font-size:15px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(217,142,50,.3);}
.btn-primary:hover{background:#c87b20;transform:translateY(-2px);box-shadow:0 6px 20px rgba(217,142,50,.4);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:rgba(255,255,255,.9);border-color:#D8E2EA;color:var(--primary);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark);background:#f8fbfd;}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,.12);}
.btn-white:hover{background:#f0f6fb;transform:scale(.97);}
.btn-ghost{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.3);border-color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* 悬浮导航 */
.site-nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:1000;width:calc(100% - 32px);max-width:1150px;}
.nav-container{background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:var(--radius-pill);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6);display:flex;align-items:center;justify-content:space-between;padding:10px 24px;gap:20px;}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text);white-space:nowrap;}
.logo-badge{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:16px;font-weight:800;flex-shrink:0;}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;}
.nav-link{padding:8px 18px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:var(--text-secondary);transition:var(--transition);display:block;}
.nav-link:hover{background:var(--primary-light);color:var(--primary);}
.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.nav-cta{padding:9px 22px;border-radius:var(--radius-pill);background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:var(--transition);white-space:nowrap;}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px);}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:8px;}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition);}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-1.jpg');background-size:cover;background-position:center;background-attachment:scroll;}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,48,77,.78) 0%,rgba(30,70,110,.58) 55%,rgba(232,241,248,.25) 100%);}
.hero-inner{position:relative;z-index:2;width:100%;padding:160px 0 100px;}
.hero-brand-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-pill);padding:7px 20px;color:#fff;font-size:15px;font-weight:600;letter-spacing:.5px;margin-bottom:26px;}
.hero-title{font-size:44px;font-weight:800;line-height:1.25;color:#fff;max-width:760px;margin-bottom:22px;letter-spacing:.5px;}
.hero-subtitle{font-size:19px;color:rgba(255,255,255,.92);max-width:620px;line-height:1.7;margin-bottom:36px;font-weight:400;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px;}
.pain-strip{margin-top:10px;display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.13);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-pill);padding:10px 24px;color:#fff;font-size:14px;font-weight:500;}
.pain-strip i{color:rgba(255,255,255,.5);font-style:normal;font-size:4px;}

/* 区块通用 */
.section{padding:90px 0;}
.section-label{display:inline-block;background:var(--primary-light);color:var(--primary);border-radius:var(--radius-pill);padding:4px 16px;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:16px;}
.section-title{font-size:32px;font-weight:700;line-height:1.3;color:var(--text);margin-bottom:14px;}
.section-desc{font-size:17px;color:var(--text-secondary);max-width:720px;line-height:1.7;margin-bottom:40px;}

/* 痛点分析 */
.pain-section{background:var(--card);}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.pain-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;box-shadow:var(--shadow);transition:var(--transition);position:relative;overflow:hidden;}
.pain-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:0;background:var(--accent);transition:var(--transition);}
.pain-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.pain-card:hover::before{height:100%;}
.pain-icon{width:54px;height:54px;border-radius:16px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);margin-bottom:22px;}
.pain-card h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:12px;}
.pain-card p{font-size:15px;color:var(--text-secondary);line-height:1.7;}

/* 解决方案 */
.solution-section{background:var(--bg);}
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.solution-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px 24px;box-shadow:var(--shadow);transition:var(--transition);display:flex;flex-direction:column;}
.solution-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px);border-color:#c8d9e8;}
.solution-icon{width:50px;height:50px;border-radius:14px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary);margin-bottom:20px;transition:var(--transition);}
.solution-card:hover .solution-icon{background:var(--primary);color:#fff;}
.solution-card h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:10px;}
.solution-card p{font-size:14px;color:var(--text-secondary);line-height:1.65;flex:1;margin-bottom:14px;}
.solution-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:var(--transition);}
.solution-link:hover{color:var(--primary-dark);gap:10px;}

/* 成果数据 */
.stats-section{background:var(--primary-light);padding:80px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center;}
.stat-number{font-size:50px;font-weight:800;color:var(--primary-dark);font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:8px;}
.stat-label{font-size:15px;color:var(--text-secondary);font-weight:500;}

/* 精选分类 */
.cat-section{background:var(--card);}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);}
.cat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px);}
.cat-img{ position:relative;height:200px;overflow:hidden;}
.cat-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.cat-card:hover .cat-img img{transform:scale(1.04);}
.cat-tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px);color:var(--primary);font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--radius-pill);letter-spacing:.3px;}
.cat-info{padding:24px;}
.cat-info h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:10px;}
.cat-info p{font-size:14px;color:var(--text-secondary);line-height:1.65;margin-bottom:14px;}
.cat-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:var(--transition);}
.cat-link:hover{gap:10px;color:var(--primary-dark);}

/* 客户证言 */
.testimonial-section{background:var(--bg);}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.testimonial-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);transition:var(--transition);display:flex;flex-direction:column;}
.testimonial-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.testimonial-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.testimonial-quote{width:40px;height:40px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;}
.stars{color:var(--accent);font-size:15px;letter-spacing:2px;}
.testimonial-text{font-size:15px;color:var(--text-secondary);line-height:1.75;flex:1;margin-bottom:20px;font-style:italic;}
.testimonial-user{display:flex;align-items:center;gap:14px;border-top:1px solid var(--border);padding-top:18px;}
.testimonial-avatar{width:46px;height:46px;border-radius:50%;overflow:hidden;border:2px solid var(--primary-light);flex-shrink:0;}
.testimonial-avatar img{width:100%;height:100%;object-fit:cover;}
.user-info{display:flex;flex-direction:column;}
.user-name{font-size:15px;font-weight:600;color:var(--text);}
.user-tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:500;padding:2px 10px;border-radius:var(--radius-pill);margin-top:4px;width:fit-content;}

/* 爆款清单 */
.hot-section{background:var(--card);}
.hot-list{display:flex;flex-direction:column;gap:20px;}
.hot-item{display:flex;align-items:center;gap:24px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 28px;transition:var(--transition);}
.hot-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#c0d4e4;}
.hot-num{font-size:40px;font-weight:800;color:var(--primary-light);line-height:1;width:64px;text-align:center;flex-shrink:0;transition:var(--transition);}
.hot-item:hover .hot-num{color:var(--primary);}
.hot-info{flex:1;}
.hot-info h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:6px;}
.hot-info p{font-size:14px;color:var(--text-secondary);line-height:1.6;}
.hot-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:var(--transition);}
.hot-link:hover{gap:10px;color:var(--primary-dark);}

/* FAQ */
.faq-section{background:var(--bg);}
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:var(--transition);}
.faq-item.active{box-shadow:var(--shadow);border-color:#c0d4e4;}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:22px 28px;font-size:17px;font-weight:600;color:var(--text);text-align:left;transition:var(--transition);position:relative;}
.faq-question::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);opacity:0;transition:var(--transition);}
.faq-item.active .faq-question::before{opacity:1;}
.faq-question:hover{background:rgba(232,241,248,.4);}
.faq-icon{font-size:22px;font-weight:400;color:var(--text-muted);transition:transform .25s ease;flex-shrink:0;margin-left:16px;}
.faq-item.active .faq-icon{transform:rotate(45deg);color:var(--primary);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.active .faq-answer{max-height:400px;}
.faq-answer-inner{padding:0 28px 22px;font-size:15px;color:var(--text-secondary);line-height:1.75;border-top:1px dashed var(--border);margin:0 28px 0;padding-top:16px;padding-left:0;padding-right:0;}

/* 最终CTA */
.final-cta{background:linear-gradient(120deg,#4A8EC7 0%,#2C6FA3 100%);padding:90px 0;text-align:center;}
.cta-label{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:var(--radius-pill);padding:5px 18px;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:20px;}
.cta-title{font-size:36px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:16px;}
.cta-desc{font-size:17px;color:rgba(255,255,255,.88);max-width:560px;margin:0 auto 36px;line-height:1.7;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:#162A3D;color:#b8c7d8;padding:80px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:16px;color:#8ea4b8;}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;position:relative;padding-bottom:10px;}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;background:var(--accent);border-radius:2px;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#b8c7d8;font-size:14px;transition:var(--transition);display:inline-flex;align-items:center;gap:6px;}
.footer-col ul li a:hover{color:#fff;padding-left:4px;}
.footer-col ul li a i{font-size:11px;color:var(--primary-light);}
.footer-info{font-size:14px;color:#8ea4b8;line-height:1.9;}
.footer-info a{color:#b8c7d8;}
.footer-bottom{padding:24px 0;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#7a8fa3;flex-wrap:wrap;gap:10px;}
.footer-bottom a{color:#b8c7d8;}

/* 响应式 */
@media (max-width:1024px){
  .solution-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{gap:28px;}
  .stat-number{font-size:40px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:60px 0;}
  .site-nav{top:10px;width:calc(100% - 20px);}
  .nav-container{padding:8px 14px;border-radius:18px;flex-wrap:wrap;}
  .nav-toggle{display:flex;}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:center;gap:4px;padding:14px 0 8px;border-top:1px solid var(--border);margin-top:8px;}
  .nav-links.open{display:flex;}
  .nav-link{width:100%;text-align:center;padding:10px;}
  .nav-cta{display:none;}
  .hero{min-height:auto;padding:120px 0 70px;}
  .hero-title{font-size:28px;line-height:1.35;}
  .hero-subtitle{font-size:16px;line-height:1.6;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .btn{justify-content:center;}
  .pain-strip{flex-wrap:wrap;width:100%;justify-content:center;}
  .pain-grid{grid-template-columns:1fr;}
  .solution-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .testimonial-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-number{font-size:36px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .cta-title{font-size:26px;}
  .hot-item{flex-direction:column;text-align:center;padding:20px;}
  .hot-num{width:auto;}
  .hot-link{justify-content:center;}
}
@media (max-width:480px){
  .section-title{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .pain-card{padding:24px 20px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #3D7EB4;
  --primary-dark: #2C6393;
  --primary-light: #E8F1F8;
  --accent: #D98E32;
  --accent-light: #FDF6EC;
  --bg: #F5F9FC;
  --surface: #FFFFFF;
  --text: #24354A;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E3EAF0;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow: 0 6px 24px rgba(45, 100, 150, 0.08);
  --shadow-hover: 0 12px 30px rgba(45, 100, 150, 0.14);
  --transition: 0.25s ease;
  --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
}

/* ===== 导航 ===== */
.site-nav {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 24px;
  pointer-events: none;
}
.nav-container {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(227, 234, 240, 0.6);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow);
  padding: 10px 24px;
  max-width: 1150px;
  width: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  white-space: nowrap;
}
.nav-logo .logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
  flex: 1;
}
.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(232, 241, 248, 0.7);
}
.nav-link.active {
  color: var(--primary-dark);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(45, 100, 150, 0.25);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
@media (max-width: 767px) {
  .site-nav { top: 10px; padding: 0 12px; }
  .nav-container { flex-wrap: wrap; padding: 10px 16px; border-radius: 20px; }
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 12px 0 4px;
    gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 12px 16px; width: 100%; text-align: center; }
  .nav-cta { margin-left: auto; font-size: 12px; padding: 7px 14px; }
  .nav-toggle { display: flex; }
}

/* ===== 分类Banner ===== */
.category-banner {
  position: relative;
  padding: 130px 0 70px;
  background: linear-gradient(135deg, #E8F1F8 0%, #F0F6FB 50%, #EDF4FA 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.category-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  opacity: 0.12;
}
.category-banner .banner-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: var(--primary);
  transition: var(--transition);
}
.breadcrumb a:hover { color: var(--primary-dark); }
.breadcrumb .sep {
  color: var(--text-muted);
}
.category-banner h1 {
  font-size: 38px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.category-banner .banner-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.8;
}
@media (max-width: 767px) {
  .category-banner { padding: 100px 0 50px; }
  .category-banner h1 { font-size: 28px; }
  .category-banner .banner-desc { font-size: 14px; }
}

/* ===== 筛选工具条 ===== */
.filter-toolbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.filter-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}
.sort-group {
  display: flex;
  gap: 8px;
}
.sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.sort-btn i {
  font-size: 12px;
  color: var(--text-muted);
}
.sort-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.sort-btn.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-color: var(--primary);
  font-weight: 600;
}
.result-count {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.result-count i {
  color: var(--primary);
}
@media (max-width: 767px) {
  .filter-row { flex-direction: column; align-items: flex-start; }
  .filter-chips { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .chip { white-space: nowrap; }
  .sort-group { width: 100%; justify-content: flex-start; }
  .sort-btn { flex: 1; justify-content: center; }
}

/* ===== 卡片网格 ===== */
.card-grid-section {
  padding: 70px 0 30px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.item-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.item-card:hover .card-img img {
  transform: scale(1.04);
}
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  z-index: 2;
}
.card-badge.hot {
  background: rgba(217, 142, 50, 0.92);
  color: #fff;
}
.card-badge.pick {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
  border: 1px solid rgba(61, 126, 180, 0.2);
}
.card-badge.new {
  background: rgba(46, 158, 107, 0.88);
  color: #fff;
}
.card-body {
  padding: 20px 20px 18px;
}
.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  transition: var(--transition);
}
.item-card:hover .card-title {
  color: var(--primary);
}
.card-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.card-rating .stars {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 1px;
}
.card-rating .score {
  font-weight: 700;
  color: var(--primary);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.card-rating .reviews {
  font-size: 12px;
  color: var(--text-muted);
}
.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 42px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.card-meta i {
  font-size: 11px;
  color: var(--primary);
}
@media (max-width: 1023px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-section { padding: 50px 0 20px; }
}

/* ===== 分页器 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px 0 60px;
  flex-wrap: wrap;
}
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.page-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.page-link.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}
.page-link.disabled {
  opacity: 0.45;
  pointer-events: none;
}
.page-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
@media (max-width: 767px) {
  .pagination { gap: 5px; }
  .page-link { min-width: 34px; height: 34px; font-size: 13px; padding: 0 9px; }
  .page-link.hide-mobile { display: none; }
}

/* ===== 迷你CTA ===== */
.mini-cta {
  padding: 0 0 80px;
}
.mini-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(135deg, #EFF7FC 0%, #E3EEF6 100%);
  border: 2px solid rgba(61, 126, 180, 0.15);
  border-radius: 20px;
  padding: 36px 44px;
  flex-wrap: wrap;
}
.mini-cta-text h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.mini-cta-text p {
  font-size: 14px;
  color: var(--text-secondary);
}
.mini-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.mini-cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(45, 100, 150, 0.25);
}
.mini-cta-btn i {
  font-size: 14px;
}
@media (max-width: 767px) {
  .mini-cta { padding: 0 0 50px; }
  .mini-cta-inner {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
  }
  .mini-cta-text h3 { font-size: 18px; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: #162A3D;
  color: rgba(255, 255, 255, 0.85);
  padding: 70px 0 30px;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 30px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 16px;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-col ul a i {
  font-size: 10px;
  color: var(--primary);
}
.footer-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}
.footer-info p i {
  color: var(--primary);
  width: 20px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
  font-size: 13px;
}
.footer-links a:hover {
  color: #fff;
}
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .site-footer { padding: 50px 0 25px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

/* ===== 焦点可见 ===== */
a:focus-visible,
button:focus-visible,
.chip:focus-visible,
.sort-btn:focus-visible,
.page-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}