/* roulang page: index */
:root{
  --primary:#1E5A8A;
  --primary-dark:#16466B;
  --primary-hover:#3E9BC2;
  --accent:#0FA68F;
  --accent-hover:#0C8C79;
  --bg-light:#F4F8FB;
  --bg-muted:#EDF3F8;
  --text-dark:#1F2E3A;
  --text-mid:#5D7285;
  --text-light:#8A9BAB;
  --border:#E2EAF1;
  --success:#1BA35B;
  --error:#EA5A5A;
  --warning:#F0A33F;
  --shadow-sm:0 4px 16px rgba(30,60,100,0.06);
  --shadow-md:0 10px 24px rgba(30,60,100,0.10);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-pill:999px;
  --transition:all 0.25s ease;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--text-dark);
  background:#fff;
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:var(--transition);}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 16px;}
section{padding:80px 0;}
@media(max-width:767px){section{padding:40px 0;}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;height:44px;padding:0 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:var(--transition);white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:rgba(62,155,194,0.92);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,90,138,0.25);}
.btn-primary:active{transform:scale(0.98);}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-secondary:hover{background:var(--bg-light);color:var(--primary);border-color:var(--primary-hover);transform:translateY(-1px);}
.btn-secondary:active{transform:scale(0.98);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(15,166,143,0.25);}
.btn-accent:active{transform:scale(0.98);}

/* ===== 标签 ===== */
.section-tag{
  display:inline-block;background:var(--bg-muted);color:var(--primary);
  font-size:13px;font-weight:600;padding:4px 14px;border-radius:var(--radius-pill);
  margin-bottom:12px;
}
.badge{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--radius-pill);
}

/* ===== 区块标题 ===== */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:40px;
}
.section-head h2{font-size:28px;font-weight:700;line-height:1.3;color:var(--text-dark);}
.section-head .more-link{
  font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.section-head .more-link:hover{color:var(--primary-hover);gap:10px;}
@media(max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:22px;}
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 8px rgba(30,60,100,0.04);
}
.header-top{
  max-width:1200px;margin:0 auto;padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;
  position:relative;overflow:hidden;
}
.logo-mark::after{
  content:'';position:absolute;bottom:4px;left:6px;right:6px;height:3px;
  background:var(--accent);border-radius:2px;
}
.logo-text{font-size:20px;font-weight:700;color:var(--text-dark);letter-spacing:0.3px;}
.logo-text span{color:var(--primary);}
.header-search{display:flex;align-items:center;flex:0 1 320px;position:relative;}
.header-search input{
  width:100%;height:42px;padding:0 46px 0 16px;
  border:1px solid var(--border);border-radius:var(--radius-pill);
  background:var(--bg-light);font-size:14px;color:var(--text-dark);
  transition:var(--transition);
}
.header-search input::placeholder{color:var(--text-light);}
.header-search input:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(30,90,138,0.10);
}
.header-search button{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:var(--transition);
}
.header-search button:hover{background:var(--primary-hover);}
.search-toggle{display:none;width:40px;height:40px;border-radius:50%;background:var(--bg-light);color:var(--primary);align-items:center;justify-content:center;font-size:15px;}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.login-link{font-size:14px;font-weight:500;color:var(--text-mid);display:inline-flex;align-items:center;gap:6px;}
.login-link:hover{color:var(--primary);}

/* 第二行导航 */
.nav-tabs-mask{
  border-top:1px solid var(--border);
  background:var(--bg-light);
}
.nav-tabs{
  max-width:1200px;margin:0 auto;padding:10px 16px;
  display:flex;gap:10px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex-shrink:0;display:inline-flex;align-items:center;
  height:38px;padding:0 18px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:var(--text-mid);
  background:transparent;transition:var(--transition);white-space:nowrap;
}
.nav-tab:hover{background:var(--bg-muted);color:var(--primary);}
.nav-tab.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(30,90,138,0.18);}
.nav-tab.active:hover{background:var(--primary-dark);color:#fff;}

@media(max-width:767px){
  .header-top{gap:10px;padding:10px 12px;}
  .logo-text{font-size:17px;}
  .header-search{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:12px 16px;border-bottom:1px solid var(--border);box-shadow:0 8px 20px rgba(30,60,100,0.08);z-index:99;}
  .header-search.open{display:block;}
  .search-toggle{display:inline-flex;}
  .login-link span{display:none;}
  .header-actions gap:10px;
  .btn{padding:0 18px;height:42px;font-size:14px;}
  .nav-tabs{padding:8px 12px;}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:linear-gradient(135deg,rgba(244,248,251,0.96) 0%,rgba(231,241,248,0.92) 100%),
  url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:0;
}
.hero-inner{
  max-width:1200px;margin:0 auto;padding:72px 16px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.hero-content h1{
  font-size:38px;font-weight:700;line-height:1.25;color:var(--text-dark);
  margin-bottom:18px;
}
.hero-content h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  font-size:16px;line-height:1.8;color:var(--text-mid);
  margin-bottom:28px;max-width:520px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;}
.hero-points li{
  display:flex;align-items:center;gap:7px;
  font-size:14px;font-weight:500;color:var(--text-dark);
}
.hero-points i{color:var(--accent);font-size:16px;}
.hero-media{position:relative;}
.hero-media img{
  border-radius:var(--radius-lg);
  box-shadow:0 16px 40px rgba(30,60,100,0.14);
  width:100%;height:auto;object-fit:cover;
}
.hero-media::before{
  content:'';position:absolute;top:-18px;right:-14px;width:120px;height:120px;
  background:rgba(15,166,143,0.12);border-radius:50%;z-index:0;
}
.hero-media::after{
  content:'';position:absolute;bottom:-16px;left:30px;width:90px;height:90px;
  background:rgba(62,155,194,0.12);border-radius:50%;z-index:0;
}
.hero-media img{position:relative;z-index:1;}
@media(max-width:1023px){
  .hero-inner{grid-template-columns:1fr 1fr;padding:56px 16px;}
  .hero-content h1{font-size:32px;}
}
@media(max-width:767px){
  .hero-inner{grid-template-columns:1fr;padding:40px 16px;gap:32px;}
  .hero-content h1{font-size:28px;}
  .hero-points{gap:12px;}
  .hero-media img{max-height:280px;width:100%;object-fit:cover;}
}

/* ===== 信任数据条 ===== */
.stats-section{background:var(--bg-light);padding:0;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--border);
}
.stat-item{
  text-align:center;padding:48px 24px;position:relative;
}
.stat-item + .stat-item::before{
  content:'';position:absolute;left:0;top:30%;bottom:30%;width:1px;background:var(--border);
}
.stat-num{
  font-family:'Inter','Roboto','PingFang SC',sans-serif;
  font-size:40px;font-weight:700;color:var(--primary);line-height:1.2;
  display:inline-block;
}
.stat-num span{font-size:20px;font-weight:600;margin-left:2px;}
.stat-label{display:block;margin-top:8px;font-size:14px;color:var(--text-mid);font-weight:500;}
@media(max-width:767px){
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat-item{padding:32px 16px;}
  .stat-num{font-size:32px;}
  .stat-item:nth-child(3)::before{display:none;}
}

/* ===== 热门推荐 ===== */
.hot-section{background:#fff;}
.hot-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.hot-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;transition:var(--transition);
}
.hot-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);border-color:transparent;
}
.hot-card:focus-within{outline:2px solid var(--primary);outline-offset:2px;}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-light);}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.hot-card:hover .card-img img{transform:scale(1.04);}
.card-body{padding:20px;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:10px;color:var(--text-dark);}
.card-body h3:hover{color:var(--primary);}
.card-body p{font-size:14px;color:var(--text-mid);line-height:1.6;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--border);}
.card-foot .status{font-size:13px;font-weight:600;color:var(--accent);}
.card-foot .arrow{
  width:32px;height:32px;border-radius:50%;background:var(--bg-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:13px;transition:var(--transition);
}
.card-foot .arrow:hover{background:var(--primary);color:#fff;}
@media(max-width:1199px){.hot-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:1023px){.hot-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:767px){.hot-grid{grid-template-columns:1fr;gap:16px;}}

/* ===== 品牌摘要 ===== */
.brand-section{background:var(--bg-light);}
.brand-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.brand-img img{
  width:100%;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);object-fit:cover;
}
.brand-content h2{font-size:28px;font-weight:700;line-height:1.4;margin-bottom:20px;}
.brand-content p{font-size:15px;line-height:1.8;color:var(--text-mid);margin-bottom:16px;}
.brand-content .btn{margin-top:12px;}
@media(max-width:1023px){.brand-wrap{grid-template-columns:1fr;gap:32px;}}
@media(max-width:767px){.brand-content h2{font-size:22px;}}

/* ===== 评价轮播 ===== */
.reviews-section{background:#fff;}
.review-track{
  display:flex;gap:24px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
  padding:12px 4px 24px;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  min-width:300px;max-width:340px;flex-shrink:0;
  background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;display:flex;flex-direction:column;transition:var(--transition);
}
.review-card:hover{box-shadow:var(--shadow-sm);}
.stars{color:var(--warning);font-size:15px;letter-spacing:2px;margin-bottom:14px;}
.review-card p{
  font-size:14px;line-height:1.75;color:var(--text-dark);
  flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border);}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--primary);
  color:#fff;font-size:15px;font-weight:600;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.reviewer strong{display:block;font-size:14px;color:var(--text-dark);}
.reviewer em{font-style:normal;font-size:12px;color:var(--text-light);}

/* ===== 保障条 ===== */
.guarantee-section{background:var(--bg-light);}
.guarantee-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:40px 32px;
}
.guarantee-item{text-align:center;}
.guarantee-item i{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:var(--bg-light);color:var(--primary);
  font-size:22px;margin-bottom:14px;
}
.guarantee-item:nth-child(even) i{color:var(--accent);}
.guarantee-item h3{font-size:16px;font-weight:600;color:var(--text-dark);margin-bottom:6px;}
.guarantee-item p{font-size:13px;color:var(--text-mid);}
@media(max-width:1023px){.guarantee-grid{grid-template-columns:1fr 1fr;padding:28px 20px;}}
@media(max-width:767px){.guarantee-grid{grid-template-columns:1fr;gap:28px;padding:24px 16px;}}

/* ===== 最新动态 / CMS ===== */
.news-section{background:#fff;}
.news-wrap{max-width:880px;margin:0 auto;}
.news-item{
  display:flex;align-items:center;gap:28px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px 24px;margin-bottom:16px;transition:var(--transition);
}
.news-item:hover{
  box-shadow:var(--shadow-sm);background:var(--bg-light);
  transform:translateX(4px);
}
.news-item:focus-within{outline:2px solid var(--primary);outline-offset:2px;}
.news-text{flex:1;min-width:0;}
.news-cat{
  display:inline-block;background:var(--bg-muted);color:var(--primary);
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:var(--radius-pill);
  margin-bottom:8px;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.4;color:var(--text-dark);
  margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-title:hover{color:var(--primary);}
.news-excerpt{
  font-size:14px;color:var(--text-mid);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.news-date{font-size:12px;color:var(--text-light);display:inline-flex;align-items:center;gap:5px;}
.news-thumb{
  width:120px;height:90px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;
  background:var(--bg-light);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.news-item:hover .news-thumb img{transform:scale(1.05);}
.news-empty{
  background:var(--bg-light);border:1px dashed var(--border);
  border-radius:var(--radius-md);padding:48px;text-align:center;
}
.news-empty i{font-size:36px;color:var(--text-light);margin-bottom:12px;}
.news-empty p{font-size:14px;color:var(--text-mid);}
@media(max-width:767px){
  .news-item{flex-direction:column;align-items:flex-start;gap:12px;padding:16px;}
  .news-thumb{width:100%;height:160px;}
  .news-title{white-space:normal;}
}

/* ===== CTA ===== */
.cta-section{
  background:var(--primary);
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:-40px;right:-30px;width:260px;height:260px;
  background:rgba(62,155,194,0.18);border-radius:50%;
}
.cta-section::after{
  content:'';position:absolute;bottom:-60px;left:20px;width:180px;height:180px;
  background:rgba(15,166,143,0.14);border-radius:50%;
}
.cta-wrap{position:relative;z-index:1;text-align:center;padding:0 16px;}
.cta-wrap h2{font-size:30px;font-weight:700;color:#fff;margin-bottom:12px;}
.cta-wrap p{font-size:16px;color:rgba(255,255,255,0.88);margin-bottom:28px;}
.cta-section .btn-accent{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,0.12);}
.cta-section .btn-accent:hover{background:var(--bg-light);color:var(--primary);transform:translateY(-2px);}
@media(max-width:767px){
  .cta-wrap h2{font-size:24px;}
  .cta-section .btn{width:100%;}
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-light);}
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:10px;
  margin-bottom:12px;overflow:hidden;transition:var(--transition);
}
.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow-sm);}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text-dark);
  text-align:left;min-height:54px;transition:var(--transition);
}
.faq-question i{font-size:14px;color:var(--text-light);transition:transform 0.3s ease;flex-shrink:0;margin-left:12px;}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--primary);}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height 0.35s ease;
}
.faq-answer p{
  padding:0 22px 20px;font-size:14px;line-height:1.75;color:var(--text-mid);
  border-top:1px solid var(--border);padding-top:14px;
}

/* ===== Footer ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,0.82);}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-top:64px;padding-bottom:48px;
}
.footer-brand .footer-logo{
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-brand .footer-logo .logo-mark{
  background:rgba(255,255,255,0.12);color:#fff;width:40px;height:40px;font-size:20px;
}
.footer-brand .footer-logo .logo-mark::after{background:var(--accent);}
.footer-logo-text{font-size:19px;font-weight:700;color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.65);}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;
}
.footer-col a{
  display:block;font-size:14px;line-height:2.10;color:rgba(255,255,255,0.68);
  transition:var(--transition);
}
.footer-col a:hover{color:var(--primary-hover);padding-left:4px;}
.contact-col p{display:flex;align-items:center;gap:10px;font-size:14px;line-height:2.2;color:rgba(255,255,255,0.68);}
.contact-col i{width:18px;color:var(--primary-hover);}
.footer-links{
  border-top:1px solid rgba(255,255,255,0.1);
  padding:22px 0;
}
.footer-links .container{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,0.5);}
.footer-links a{color:rgba(255,255,255,0.55);}
.footer-links a:hover{color:#fff;}
.footer-links .dot{margin:0 4px;}
.footer-bottom{
  background:rgba(0,0,0,0.18);
  padding:18px 0;text-align:center;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.55);}
@media(max-width:1023px){
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding-top:48px;}
}
@media(max-width:767px){
  .footer-main{grid-template-columns:1fr;gap:28px;padding-top:40px;padding-bottom:32px;}
  .footer-links .container{justify-content:center;text-align:center;}
}

/* ===== 滚动条美化 ===== */
.review-track::-webkit-scrollbar{display:none;}

/* roulang page: article */
:root{
  --primary:#1E5A8A;
  --primary-dark:#164A73;
  --accent:#3E9BC2;
  --teal:#0FA68F;
  --bg:#FFFFFF;
  --bg-light:#F4F8FB;
  --bg-lighter:#EDF3F8;
  --text:#1F2E3A;
  --text-secondary:#5D7285;
  --text-muted:#8A9BAB;
  --border:#E2EAF1;
  --success:#1BA35B;
  --error:#EA5A5A;
  --warning:#F0A33F;
  --radius:12px;
  --radius-sm:8px;
  --shadow-sm:0 4px 16px rgba(30,60,100,0.06);
  --shadow-md:0 10px 24px rgba(30,60,100,0.10);
  --trans:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--trans)}
a:hover{color:var(--accent)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;line-height:1.2;transition:var(--trans);text-align:center;min-height:44px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);min-height:44px}
.btn-secondary:hover{background:var(--bg-light);color:var(--primary);border-color:var(--accent)}
.btn-cta{background:var(--teal);color:#fff}
.btn-cta:hover{background:#0c8b78;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--bg-light);color:var(--primary)}
/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(30,60,100,.06)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;max-width:1360px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;position:relative;overflow:hidden}
.logo-mark::after{content:"";position:absolute;bottom:3px;left:5px;right:5px;height:6px;background:rgba(255,255,255,.35);border-radius:50% 50% 0 0}
.logo-text{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:-.5px}
.logo-text span{color:var(--teal)}
.header-search{display:flex;align-items:center;background:var(--bg-light);border-radius:999px;border:1px solid var(--border);padding:0 6px 0 16px;max-width:320px;flex:1;transition:var(--trans)}
.header-search input{flex:1;background:transparent;border:none;outline:none;font-size:14px;padding:10px 8px;color:var(--text)}
.header-search button{background:var(--primary);color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--trans)}
.header-search button:hover{background:var(--accent)}
.search-toggle{display:none;width:40px;height:40px;border-radius:8px;background:var(--bg-light);align-items:center;justify-content:center;color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.login-link{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-secondary);padding:8px 12px;border-radius:8px}
.login-link:hover{background:var(--bg-light);color:var(--primary)}
.nav-tabs-mask{background:var(--bg-light);border-top:1px solid var(--border)}
.nav-tabs{display:flex;gap:8px;overflow-x:auto;padding:10px 24px;max-width:1360px;margin:0 auto;scrollbar-width:none;-ms-overflow-style:none;white-space:nowrap}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{display:inline-flex;align-items:center;padding:8px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-secondary);background:transparent;transition:var(--trans);flex-shrink:0}
.nav-tab:hover{background:#e4ecf2;color:var(--primary)}
.nav-tab.active{background:var(--primary);color:#fff;font-weight:600}
.nav-tab.active:hover{background:var(--primary);color:#fff}
/* 板块通用 */
.section-pad{padding:80px 0}
/* 面包屑 */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:28px 0 10px;font-size:14px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb-sep{color:var(--border);font-size:12px}
.breadcrumb-current{color:var(--text-muted);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 文章主体布局 */
.article-main{padding:16px 0 30px}
.article-layout{max-width:880px;margin:0 auto}
.article-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border);overflow:hidden}
/* 文章头部 */
.article-header{padding:44px 40px 24px;border-bottom:1px solid var(--border)}
.article-category{display:inline-block;background:var(--bg-light);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:18px;border:1px solid var(--border)}
.article-title{font-size:32px;font-weight:700;line-height:1.35;color:var(--text);margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--text-muted)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--accent)}
.article-share{display:flex;gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--border)}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;background:var(--bg-light);color:var(--text-secondary);font-size:14px;transition:var(--trans)}
.share-btn:hover{background:var(--bg-lighter);color:var(--primary)}
/* 正文 */
.article-body{padding:32px 40px 24px;max-width:780px;margin:0 auto}
.article-body h2{font-size:26px;font-weight:700;color:var(--text);margin:36px 0 16px;line-height:1.4}
.article-body h3{font-size:20px;font-weight:600;color:var(--text);margin:28px 0 12px}
.article-body p{font-size:16px;line-height:1.9;color:var(--text-secondary);margin-bottom:20px}
.article-body img{max-width:100%;border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow-sm)}
.article-body blockquote{border-left:4px solid var(--accent);background:var(--bg-light);padding:18px 22px;margin:24px 0;border-radius:0 10px 10px 0;color:var(--text);font-size:15px;line-height:1.8}
.article-body ul,.article-body ol{padding-left:24px;margin:20px 0}
.article-body ul li,.article-body ol li{margin-bottom:10px;font-size:16px;line-height:1.8;color:var(--text-secondary)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;display:block;overflow-x:auto;border-radius:8px}
.article-body table th{background:var(--primary);color:#fff;padding:12px 16px;font-weight:600;text-align:left}
.article-body table td{padding:10px 16px;border-bottom:1px solid var(--border);color:var(--text-secondary)}
.article-body table tr:last-child td{border-bottom:none}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(62,155,194,.3)}
.article-body a:hover{color:var(--teal)}
.article-body code{background:var(--bg-light);padding:2px 8px;border-radius:4px;font-size:14px;color:var(--primary)}
/* 文章底部 */
.article-footer{padding:16px 40px 40px;max-width:780px;margin:0 auto}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:20px}
.tag-label{font-size:14px;color:var(--text-muted);margin-right:6px;display:inline-flex;align-items:center;gap:6px}
.tag{display:inline-block;background:var(--bg-light);border:1px solid var(--border);color:var(--text-secondary);font-size:13px;padding:6px 14px;border-radius:999px;font-weight:500;transition:var(--trans)}
.tag:hover{background:var(--bg-lighter);color:var(--primary);border-color:var(--accent)}
.article-prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.prev-link,.next-link{display:flex;align-items:center;gap:10px;padding:16px 18px;background:var(--bg-light);border-radius:10px;font-size:14px;color:var(--text-secondary);transition:var(--trans);border:1px solid transparent}
.prev-link:hover,.next-link:hover{background:var(--bg-lighter);color:var(--primary);border-color:var(--border)}
.next-link{justify-content:flex-end}
/* 未找到 */
.article-not-found{padding:120px 40px;text-align:center}
.not-found-icon{font-size:56px;color:var(--border);display:block;margin-bottom:20px}
.article-not-found p{font-size:20px;color:var(--text-secondary);margin-bottom:24px}
/* 相关推荐 */
.related-section{background:var(--bg-light);padding:70px 0}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.section-header h2{font-size:26px;font-weight:700;color:var(--text)}
.section-link{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--trans)}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.related-card-img{position:relative;aspect-ratio:4/3;overflow:hidden}
.related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-card-img img{transform:scale(1.04)}
.card-badge{position:absolute;top:12px;left:12px;background:rgba(30,90,138,.92);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px}
.related-card-body{padding:20px}
.related-card-body h3{font-size:17px;font-weight:600;color:var(--text);margin-bottom:8px;line-height:1.4}
.related-card-body p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-date{font-size:13px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px}
.related-bottom{text-align:center;margin-top:40px}
/* CTA */
.article-cta{background:var(--primary);padding:64px 0;position:relative;overflow:hidden}
.article-cta::before{content:"";position:absolute;top:-60px;right:-60px;width:260px;height:260px;background:rgba(62,155,194,.18);border-radius:50%}
.article-cta::after{content:"";position:absolute;bottom:-80px;left:20%;width:200px;height:200px;background:rgba(15,166,143,.14);border-radius:50%}
.cta-content{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}
.cta-content h2{color:#fff;font-size:30px;font-weight:700;margin-bottom:14px}
.cta-content p{color:rgba(255,255,255,.85);font-size:16px;line-height:1.7;margin-bottom:30px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* 页脚 */
.site-footer{background:var(--primary);color:#fff}
.footer-main{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:40px;padding:56px 20px 36px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.8;margin-top:14px}
.footer-logo{display:flex;align-items:center;gap:10px}
.footer-logo-text{font-size:20px;font-weight:700;color:#fff}
.footer-col h3{font-size:16px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col a{display:block;color:rgba(255,255,255,.75);font-size:14px;padding:6px 0;transition:var(--trans)}
.footer-col a:hover{color:#fff;transform:translateX(4px)}
.contact-col p{color:rgba(255,255,255,.75);font-size:14px;padding:6px 0;display:flex;align-items:center;gap:8px}
.contact-col i{color:var(--accent);width:16px}
.footer-links{background:rgba(0,0,0,.12);border-top:1px solid rgba(255,255,255,.08);padding:14px 0}
.footer-links .container{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.6)}
.footer-links a{color:rgba(255,255,255,.75);font-size:13px}
.footer-links a:hover{color:#fff}
.footer-links .dot{color:rgba(255,255,255,.3)}
.footer-bottom{background:rgba(0,0,0,.22);padding:16px 0}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.footer-bottom p{color:rgba(255,255,255,.6);font-size:13px}
/* 响应式 */
@media(max-width:1024px){
  .footer-main{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .article-card{max-width:100%}
}
@media(max-width:768px){
  .header-top{padding:10px 16px;gap:10px}
  .header-search{display:none}
  .search-toggle{display:flex}
  .header-search.open{display:flex;position:absolute;top:60px;left:0;right:0;max-width:none;margin:0 16px;z-index:10;box-shadow:var(--shadow-md)}
  .nav-tabs{padding:8px 16px}
  .article-header{padding:28px 20px 18px}
  .article-body{padding:20px 20px 16px}
  .article-footer{padding:12px 20px 32px}
  .article-title{font-size:24px}
  .article-body h2{font-size:22px}
  .related-grid{grid-template-columns:1fr}
  .article-cta{padding:48px 0}
  .cta-buttons{flex-direction:column;align-items:center}
  .cta-buttons .btn{width:100%;max-width:260px}
}
@media(max-width:520px){
  .header-top{padding:10px 12px}
  .logo-text{font-size:17px}
  .login-link span{display:none}
  .btn{padding:10px 18px;font-size:14px}
  .section-pad{padding:40px 0}
  .container{padding:0 16px}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 16px 28px}
  .article-prev-next{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root {
            --primary: #1E5A8A;
            --primary-dark: #17476C;
            --secondary: #3E9BC2;
            --accent: #0FA68F;
            --bg: #FFFFFF;
            --bg-light: #F4F8FB;
            --bg-alt: #EDF3F8;
            --text: #1F2E3A;
            --text-secondary: #5D7285;
            --text-muted: #8A9BAB;
            --border: #E2EAF1;
            --success: #1BA35B;
            --error: #EA5A5A;
            --warning: #F0A33F;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 4px 16px rgba(30, 60, 100, 0.06);
            --shadow-lg: 0 10px 24px rgba(30, 60, 100, 0.10);
            --transition: 0.3s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 14px;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===================== Button ===================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 1px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(30, 90, 138, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

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

        .btn-outline:hover {
            background: var(--bg-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

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

        .btn-accent:hover {
            background: #0b8a78;
            color: #fff;
            box-shadow: 0 6px 20px rgba(15, 166, 143, 0.25);
        }

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

        .btn-light:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* ===================== Header ===================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: 0 1px 0 rgba(30, 60, 100, 0.06);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-top {
            max-width: var(--container);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 24px;
            flex-wrap: nowrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
        }

        .logo-text span {
            color: var(--accent);
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            height: 40px;
            padding: 0 6px 0 16px;
            flex: 1;
            max-width: 320px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 90, 138, 0.10);
            background: #fff;
        }

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

        .header-search button {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: background var(--transition);
        }

        .header-search button:hover {
            background: var(--bg-alt);
        }

        .search-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 16px;
            border: 1px solid var(--border);
            background: var(--bg-light);
            transition: all var(--transition);
        }

        .search-toggle:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .login-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .login-link:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .header-actions .btn {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .nav-tabs-mask {
            border-top: 1px solid var(--border);
            background: #fbfdff;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .nav-tabs-mask::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs {
            max-width: var(--container);
            margin: 0 auto;
            display: flex;
            gap: 8px;
            padding: 10px 24px;
            align-items: center;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .nav-tab:hover {
            color: var(--primary);
            background: var(--bg-alt);
            border-color: var(--border);
        }

        .nav-tab.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

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

        /* ===================== Hero ===================== */
        .category-hero {
            background: var(--bg-light);
            position: relative;
            overflow: hidden;
            padding: 48px 0;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(62, 155, 194, 0.12);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: 40%;
            bottom: -100px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(15, 166, 143, 0.08);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(30, 90, 138, 0.10);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .category-hero h1 strong {
            color: var(--primary);
        }

        .category-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-points {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-points span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .hero-points i {
            color: var(--accent);
            font-size: 16px;
        }

        .hero-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .hero-media img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .hero-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 60, 100, 0.05), rgba(30, 60, 100, 0.12));
            pointer-events: none;
        }

        /* ===================== Intro Section ===================== */
        .intro-section {
            background: #fff;
        }

        .intro-grid {
            display: flex;
            flex-direction: column;
            gap: 56px;
            margin-bottom: 48px;
        }

        .intro-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-row.reverse .intro-media {
            order: -1;
        }

        .intro-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .intro-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .intro-text .intro-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(15, 166, 143, 0.10);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
        }

        .intro-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .intro-media:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .intro-media img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .feature-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            background: var(--bg-light);
            border-radius: var(--radius);
            padding: 36px 32px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .feature-item i {
            font-size: 28px;
            color: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(30, 90, 138, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .feature-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===================== Card Grid ===================== */
        .recommend-section {
            background: var(--bg-light);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .recommend-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .recommend-card:focus-within {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        .card-media {
            position: relative;
            padding-top: 75%;
            overflow: hidden;
        }

        .card-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .recommend-card:hover .card-media img {
            transform: scale(1.04);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(30, 90, 138, 0.88);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(4px);
            letter-spacing: 0.5px;
        }

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

        .card-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .card-meta span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 14px;
            transition: all var(--transition);
        }

        .card-meta a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===================== FAQ ===================== */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 14px;
            background: #fff;
            transition: all var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(30, 90, 138, 0.35);
            box-shadow: var(--shadow);
        }

        .faq-item.open {
            border-color: var(--secondary);
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            min-height: 44px;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            transition: all var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===================== CTA ===================== */
        .cta-section {
            background: var(--primary);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===================== Footer ===================== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding: 56px 24px 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 300px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            padding: 4px 0;
            transition: all var(--transition);
        }

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

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 6px;
        }

        .footer-col p i {
            margin-right: 8px;
            color: var(--secondary);
            width: 16px;
        }

        .footer-links {
            background: rgba(255, 255, 255, 0.04);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 0;
        }

        .footer-links .container {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: color var(--transition);
        }

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

        .footer-links .dot {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom {
            background: rgba(0, 0, 0, 0.18);
            padding: 16px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===================== Responsive ===================== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-media img {
                height: 260px;
            }

            .intro-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .intro-row.reverse .intro-media {
                order: 0;
            }

            .feature-strip {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 16px;
                padding: 28px 20px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .header-top {
                padding: 8px 16px;
            }

            .header-search {
                display: none;
            }

            .search-toggle {
                display: flex;
            }

            .header-search.mobile-open {
                display: flex;
                position: absolute;
                top: 64px;
                left: 16px;
                right: 16px;
                max-width: none;
                background: #fff;
                box-shadow: var(--shadow-lg);
                z-index: 99;
                margin: 0;
            }

            .login-link span {
                display: none;
            }

            .header-actions .btn {
                padding: 0 14px;
                font-size: 13px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .nav-tabs {
                padding: 8px 16px;
                gap: 6px;
            }

            .nav-tab {
                padding: 7px 14px;
                font-size: 13px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .hero-points {
                gap: 14px;
                flex-direction: column;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-strip {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
                padding: 40px 16px 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .header-actions .btn {
                width: 40px;
                padding: 0;
                font-size: 14px;
            }

            .header-actions .btn span {
                display: none;
            }

            .category-hero {
                padding: 36px 0;
            }

            .category-hero h1 {
                font-size: 25px;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .hero-media img {
                height: 200px;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .intro-text h3 {
                font-size: 20px;
            }

            .intro-media img {
                height: 200px;
            }

            .card-content {
                padding: 18px;
            }

            .card-content h3 {
                font-size: 17px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }

            .cta-section {
                padding: 48px 0;
            }

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

            .cta-actions {
                flex-direction: column;
            }

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

            .footer-main {
                grid-template-columns: 1fr;
                padding: 32px 16px 24px;
            }

            .footer-brand {
                grid-column: auto;
            }
        }