/* roulang page: index */
:root{
  --primary:#3478A5;
  --primary-light:#D6E7F2;
  --primary-lighter:#F4F8FB;
  --accent:#F39C2D;
  --accent-hover:#C97F10;
  --text-main:#1E3A52;
  --text-secondary:#5A7A92;
  --border:#E1EAF1;
  --dark:#16324A;
  --success:#44B183;
  --error:#D5573B;
  --card-radius:16px;
  --block-radius:24px;
  --btn-radius:999px;
  --input-radius:10px;
  --shadow-light:0 2px 8px rgba(21,51,76,0.05);
  --shadow-card:0 10px 28px rgba(21,51,76,0.07);
  --shadow-hover:0 18px 44px rgba(21,51,76,0.11);
  --container:1200px;
  --section-gap:96px;
  --section-gap-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  color:var(--text-main);
  background:#fff;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
ul,li{list-style:none;margin:0;padding:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
input,select,textarea{outline:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section-gap{padding:var(--section-gap) 0;}
@media(max-width:768px){.section-gap{padding:var(--section-gap-mobile) 0;}}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center;}
.section-overline{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:3px;
  color:var(--primary);background:var(--primary-light);
  padding:5px 16px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,3.5vw,36px);
  font-weight:700;line-height:1.3;margin:0 0 12px;color:var(--text-main);
}
.section-head p{font-size:16px;color:var(--text-secondary);margin:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:50px;padding:0 28px;border-radius:var(--btn-radius);
  font-size:15px;font-weight:600;line-height:1;border:none;cursor:pointer;
  transition:all .25s ease;text-decoration:none;gap:8px;
}
.btn:focus{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-card);}
.btn-secondary{background:var(--primary-light);color:var(--primary);}
.btn-secondary:hover{background:#C3DCEB;color:var(--primary);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary-light);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-lighter);color:var(--primary);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#0f2438;color:#fff;transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 22px;font-size:14px;}
.btn-large{min-width:220px;height:54px;padding:0 36px;font-size:16px;}
@media(max-width:520px){.btn-large{width:100%;}}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
}
.badge-official{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.badge-official i{color:var(--primary);}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--primary-lighter);border:1px solid var(--border);
  padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;color:var(--text-main);
}
.status-badge .dot{width:8px;height:8px;border-radius:50%;display:inline-block;}
.dot.green{background:var(--success);}
.dot.orange{background:var(--accent);}
.tag{
  display:inline-block;padding:4px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
}
.tag-blue{background:var(--primary-light);color:var(--primary);}
.tag-hot{background:#FDEBD5;color:var(--accent-hover);}
.tag-green{background:#E3F4ED;color:#2E8B6D;}
/* ===== 顶部分信息条 ===== */
.top-info-bar{
  background:var(--primary);color:#fff;font-size:13px;line-height:36px;
}
.top-info-inner{display:flex;justify-content:space-between;align-items:center;}
.top-info-inner i{margin-right:6px;color:#BBD9EC;}
.top-info-right{display:flex;align-items:center;gap:18px;}
@media(max-width:640px){.top-info-right{display:none;}}
/* ===== 主导航 ===== */
.main-header{
  background:#fff;
  box-shadow:0 2px 18px rgba(21,51,76,0.06);
  position:sticky;top:0;z-index:200;
}
.header-main{position:relative;}
.header-inner{
  display:flex;align-items:center;gap:32px;
  min-height:72px;
}
.brand-logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,#fff 0%,var(--primary-light) 100%);
  border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:19px;
  box-shadow:0 0 0 3px rgba(52,120,165,.08);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:23px;font-weight:800;color:var(--text-main);letter-spacing:1px;}
.logo-text small{font-size:11px;font-weight:700;letter-spacing:3px;color:var(--primary);margin-top:3px;}
.main-nav ul{display:flex;gap:6px;margin:0;}
.main-nav li a{
  display:inline-block;padding:8px 18px;font-size:16px;font-weight:500;
  color:var(--text-main);border-radius:8px;position:relative;
  transition:color .25s ease,background .25s ease;
}
.main-nav li a:hover{color:var(--primary);background:var(--primary-lighter);}
.main-nav li.active a{color:var(--primary);font-weight:600;}
.main-nav li.active a::after{
  content:"";position:absolute;left:18px;right:18px;bottom:-21px;height:3px;
  background:var(--primary);border-radius:3px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;flex-shrink:0;}
.menu-toggle{display:none;margin-left:auto;background:none;border:none;cursor:pointer;padding:8px;flex-shrink:0;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text-main);margin:5px 0;border-radius:2px;transition:.3s;}
.nav-mobile-actions{display:none;}
/* ===== Hero ===== */
.hero{
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:96px 0;
  border-bottom:1px solid var(--border);
  position:relative;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(244,248,251,.95) 0%,rgba(255,255,255,.82) 55%,rgba(255,255,255,.55) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-title{
  font-size:clamp(32px,5vw,52px);
  font-weight:800;line-height:1.25;color:var(--text-main);
  margin:18px 0 18px;letter-spacing:1px;
}
.hero-subtitle{
  font-size:clamp(15px,1.8vw,18px);
  color:var(--text-secondary);line-height:1.8;
  max-width:540px;margin-bottom:30px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.countdown-card{
  background:rgba(255,255,255,.92);
  border:1px solid var(--border);border-radius:var(--block-radius);
  padding:32px 30px;box-shadow:var(--shadow-card);
  backdrop-filter:blur(4px);
  max-width:420px;margin-left:auto;
}
.countdown-card .countdown-label{
  display:block;font-size:14px;font-weight:600;color:var(--text-secondary);
  margin-bottom:18px;text-align:center;
}
.countdown-grid{
  display:flex;align-items:center;justify-content:center;gap:10px;
}
.count-item{
  background:var(--primary-lighter);
  border-radius:14px;padding:14px 10px;
  text-align:center;min-width:68px;
}
.count-num{
  display:block;font-size:32px;font-weight:800;color:var(--dark);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.count-unit{font-size:13px;color:var(--text-secondary);font-weight:600;margin-top:4px;display:block;}
.count-sep{font-size:26px;font-weight:700;color:var(--primary);}
@media(max-width:640px){.countdown-card{margin:24px auto 0;max-width:100%;} .count-item{min-width:58px;} .count-num{font-size:26px;}}
/* ===== 时间线 ===== */
.schedule-section{background:var(--primary-lighter);padding:var(--section-gap) 0;}
.timeline{max-width:760px;margin:0 auto;position:relative;padding-left:32px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:0;bottom:0;width:2px;
  background:var(--primary-light);border-radius:2px;
}
.timeline-item{position:relative;margin-bottom:28px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-marker{
  position:absolute;left:-32px;top:8px;
  width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
  box-shadow:0 0 0 4px rgba(52,120,165,.12);
}
.timeline-marker.hot{background:var(--accent);border-color:var(--accent);}
.timeline-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--card-radius);padding:22px 26px;
  box-shadow:var(--shadow-light);transition:all .25s ease;
}
.timeline-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.timeline-time{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:1px;}
.timeline-card h3{font-size:20px;font-weight:700;margin:8px 0 6px;color:var(--text-main);}
.timeline-card p{margin:0;font-size:14px;color:var(--text-secondary);}
.timeline-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;}
/* ===== 嘉宾 ===== */
.guests-section{padding:var(--section-gap) 0;background:#fff;}
.guest-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--card-radius);padding:32px 24px;text-align:center;
  box-shadow:var(--shadow-light);transition:all .25s ease;
}
.guest-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.guest-avatar{
  width:88px;height:88px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:30px;font-weight:800;margin:0 auto 18px;
  border:3px solid #fff;box-shadow:0 0 0 3px var(--primary-light);
}
.guest-card h3{font-size:20px;font-weight:700;margin:0 0 4px;color:var(--text-main);}
.guest-role{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-lighter);padding:4px 14px;border-radius:999px;margin-bottom:12px;}
.guest-card p{font-size:14px;color:var(--text-secondary);margin:0;line-height:1.7;}
/* ===== 亮点 ===== */
.features-section{padding:var(--section-gap) 0;background:var(--primary-lighter);}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  margin-bottom:52px;
}
.feature-row:last-child{margin-bottom:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  border-radius:var(--block-radius);overflow:hidden;
  box-shadow:var(--shadow-card);
}
.feature-media img{width:100%;height:280px;object-fit:cover;}
.feature-content h3{font-size:clamp(22px,3vw,30px);font-weight:700;margin:0 0 16px;color:var(--text-main);}
.feature-content p{font-size:16px;line-height:1.8;color:var(--text-secondary);margin:0;}
.feature-tag{display:inline-block;font-size:13px;font-weight:700;color:var(--primary);background:#fff;border:1px solid var(--primary-light);padding:5px 16px;border-radius:999px;margin-bottom:14px;}
@media(max-width:768px){
  .feature-row{grid-template-columns:1fr;gap:20px;margin-bottom:36px;}
  .feature-row.reverse .feature-media{order:0;}
}
/* ===== 资讯 ===== */
.news-section{padding:var(--section-gap) 0;background:#fff;}
.news-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--card-radius);padding:28px;
  box-shadow:var(--shadow-light);display:flex;flex-direction:column;
  height:100%;transition:all .25s ease;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.news-card .card-category{
  align-self:flex-start;background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;margin-bottom:14px;
}
.news-card h3{
  font-size:20px;font-weight:700;line-height:1.45;color:var(--text-main);
  margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p.excerpt{
  font-size:14px;line-height:1.7;color:var(--text-secondary);
  margin:0 0 18px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .card-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-secondary);
  border-top:1px solid var(--border);padding-top:14px;
}
.news-card .card-meta time{font-variant-numeric:tabular-nums;}
.news-card .read-more{color:var(--primary);font-weight:600;font-size:14px;}
.news-card .read-more:hover{color:var(--accent);}
.empty-state{
  border:1.5px dashed var(--primary-light);
  background:var(--primary-lighter);
  border-radius:var(--card-radius);
  padding:60px 30px;text-align:center;
}
.empty-state .empty-icon{font-size:44px;color:var(--primary);opacity:.5;margin-bottom:10px;}
.empty-state p{font-size:16px;color:var(--text-secondary);margin:0;}
/* ===== 票卡 ===== */
.tickets-section{padding:var(--section-gap) 0;background:var(--primary-lighter);}
.ticket-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--block-radius);padding:36px 30px;
  box-shadow:var(--shadow-light);display:flex;flex-direction:column;
  height:100%;position:relative;transition:all .25s ease;
}
.ticket-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.ticket-card-featured{
  border:2px solid var(--primary);
  box-shadow:0 16px 40px rgba(52,120,165,.12);
  transform:translateY(-12px);
}
.ticket-card-featured:hover{transform:translateY(-16px);}
.ticket-badge{
  position:absolute;top:-14px;right:24px;
  background:var(--accent);color:#fff;
  padding:5px 18px;border-radius:999px;
  font-size:13px;font-weight:700;box-shadow:var(--shadow-light);
}
.ticket-name{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:12px;}
.ticket-price{font-size:38px;font-weight:800;color:var(--text-main);margin-bottom:4px;line-height:1;}
.ticket-price span{font-size:14px;font-weight:500;color:var(--text-secondary);margin-left:4px;}
.ticket-desc{font-size:13px;color:var(--text-secondary);padding-bottom:18px;border-bottom:1px solid var(--border);margin-bottom:18px;}
.ticket-perks{margin:0 0 24px;padding:0;flex:1;}
.ticket-perks li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:var(--text-main);padding:7px 0;
}
.ticket-perks li i{color:var(--primary);font-size:15px;margin-top:4px;}
.ticket-card .btn{margin-top:auto;}
@media(max-width:768px){.ticket-card-featured{transform:none;} .ticket-card-featured:hover{transform:translateY(-4px);} .ticket-card{margin-bottom:22px;}}
/* ===== 报名表单 ===== */
.signup-section{padding:var(--section-gap) 0;background:#fff;}
.signup-panel{
  background:var(--primary-lighter);
  border-radius:var(--block-radius);
  border:1px solid var(--border);
  padding:48px 44px;
  box-shadow:var(--shadow-light);
}
.signup-panel h2{font-size:clamp(26px,3vw,34px);font-weight:700;margin:0 0 12px;color:var(--text-main);}
.signup-panel .lead{font-size:15px;color:var(--text-secondary);margin:0 0 26px;line-height:1.8;}
.signup-deadline{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--card-radius);padding:24px;
}
.signup-deadline span{display:block;font-size:14px;color:var(--text-secondary);font-weight:600;margin-bottom:8px;}
.signup-deadline strong{font-size:28px;font-weight:800;color:var(--dark);font-variant-numeric:tabular-nums;}
.signup-form label{display:block;font-size:14px;font-weight:600;color:var(--text-main);margin:0 0 6px;}
.signup-form input,
.signup-form select{
  width:100%;height:48px;
  border:1px solid #D6E2EA;border-radius:var(--input-radius);
  padding:0 16px;background:#fff;font-size:15px;
  transition:border .2s ease,box-shadow .2s ease;
  margin-bottom:20px;
}
.signup-form input:focus,
.signup-form select:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(52,120,165,.15);
  outline:none;
}
.signup-form input::placeholder{color:#A9BDCB;}
.form-privacy{font-size:13px;color:var(--text-secondary);margin:16px 0 0;line-height:1.6;}
/* ===== FAQ ===== */
.faq-section{padding:var(--section-gap) 0;background:var(--primary-lighter);}
.faq-accordion{
  max-width:800px;margin:0 auto;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--block-radius);padding:12px 28px;
  box-shadow:var(--shadow-light);
}
.faq-accordion .accordion-item{border-bottom:1px solid var(--border);}
.faq-accordion .accordion-item:last-child{border-bottom:none;}
.faq-accordion .accordion-title{
  display:flex;justify-content:space-between;align-items:center;
  font-size:16px;font-weight:600;color:var(--text-main);
  padding:22px 4px;position:relative;
}
.faq-accordion .accordion-title:hover{color:var(--primary);}
.faq-accordion .accordion-title::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:15px;color:var(--primary);transition:transform .3s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--primary);}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  content:"\f068";color:var(--primary);
}
.faq-accordion .accordion-content{padding:0 4px 22px;color:var(--text-secondary);font-size:15px;line-height:1.8;}
/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#C7D8E5;padding:56px 0 0;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-logo{
  display:flex;align-items:center;gap:10px;
  font-size:22px;font-weight:800;color:#fff;
}
.footer-logo .logo-mark{
  width:36px;height:36px;border-radius:50%;
  background:var(--primary-light);border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;
}
.footer-logo span{font-size:12px;font-weight:700;letter-spacing:3px;color:var(--primary-light);margin-left:2px;}
.site-footer p{font-size:14px;line-height:1.8;color:#A9BFCE;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#A9BFCE;font-size:14px;transition:color .2s ease;}
.footer-col ul li a:hover{color:#fff;}
.footer-col i{width:20px;color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:40px;padding:20px 0;
  text-align:center;font-size:13px;color:#8AA7BC;
}
.footer-bottom a{color:#8AA7BC;}
.footer-bottom a:hover{color:#fff;}
/* ===== 响应式 ===== */
@media(max-width:1023px){
  .menu-toggle{display:flex;}
  .header-actions{display:none;}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;padding:24px;border-top:1px solid var(--border);
    box-shadow:0 18px 40px rgba(21,51,76,.1);
  }
  .main-nav.is-open{display:block;}
  .main-nav ul{flex-direction:column;gap:4px;}
  .main-nav li.active a::after{display:none;}
  .main-nav li a{padding:12px 16px;font-size:16px;}
  .nav-mobile-actions{display:flex;gap:16px;margin-top:20px;border-top:1px solid var(--border);padding-top:20px;align-items:center;}
}
@media(max-width:768px){
  .container{padding:0 16px;}
  .hero{background-position:center left -80px;}
  .hero-subtitle{max-width:100%;}
  .grid-x{--grid-margin-x:12px;}
  .timeline{max-width:100%;padding-left:24px;}
  .timeline-marker{left:-24px;}
  .signup-panel{padding:32px 20px;}
  .faq-accordion{padding:8px 18px;}
}
@media(max-width:520px){
  .hero-actions .btn{width:100%;}
  .hero-actions .btn + .btn{margin-left:0;}
  .hero{padding:64px 0;}
  .countdown-card{padding:24px 16px;}
  .count-item{min-width:55px;padding:10px 6px;}
  .count-num{font-size:22px;}
  .timeline-card{padding:18px 18px;}
  .timeline-card h3{font-size:18px;}
  .signup-panel{padding:24px 16px;}
  .btn{min-height:44px;}
}

/* roulang page: category1 */
:root {
        --panda-blue: #3478A5;
        --panda-blue-light: #D6E7F2;
        --panda-mist: #F4F8FB;
        --panda-card: #FFFFFF;
        --panda-orange: #F39C2D;
        --panda-orange-hover: #C97F10;
        --text-main: #1E3A52;
        --text-secondary: #5A7A92;
        --border-line: #E1EAF1;
        --dark-block: #16324A;
        --success-dot: #44B183;
        --error-color: #D5573B;
        --radius-card: 16px;
        --radius-block: 24px;
        --radius-btn: 999px;
        --radius-input: 10px;
        --shadow-light: 0 2px 8px rgba(21, 51, 76, 0.05);
        --shadow-card: 0 10px 28px rgba(21, 51, 76, 0.07);
        --shadow-hover: 0 18px 44px rgba(21, 51, 76, 0.11);
        --spacing-section-lg: 96px;
        --spacing-section-md: 56px;
        --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
    }

    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-cn);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-main);
        background: var(--panda-card);
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        display: block;
        height: auto;
    }

    a {
        text-decoration: none;
        color: var(--panda-blue);
        transition: color 0.25s ease;
    }

    a:hover, a:focus {
        color: var(--panda-orange-hover);
    }

    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
    }

    section {
        padding: var(--spacing-section-lg) 0;
    }

    @media (max-width: 768px) {
        section {
            padding: var(--spacing-section-md) 0;
        }
    }

    .section-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 48px;
    }

    .section-header h2 {
        font-size: clamp(24px, 3.5vw, 36px);
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 12px;
        line-height: 1.35;
    }

    .section-header p {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .section-eyebrow {
        display: inline-block;
        background: var(--panda-blue-light);
        color: var(--panda-blue);
        font-size: 13px;
        font-weight: 600;
        padding: 4px 16px;
        border-radius: var(--radius-btn);
        margin-bottom: 12px;
        letter-spacing: 1px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 15px;
        line-height: 1;
        height: 50px;
        padding: 0 28px;
        border: 2px solid transparent;
        cursor: pointer;
        transition: all 0.25s ease;
        text-decoration: none;
        gap: 8px;
    }

    .btn-primary {
        background: var(--panda-orange);
        color: #fff;
        box-shadow: 0 4px 16px rgba(243, 156, 45, 0.3);
    }

    .btn-primary:hover, .btn-primary:focus {
        background: var(--panda-orange-hover);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(201, 127, 16, 0.35);
    }

    .btn-secondary {
        background: var(--panda-blue-light);
        color: var(--panda-blue);
    }

    .btn-secondary:hover, .btn-secondary:focus {
        background: #C3DCEB;
        color: var(--panda-blue);
        transform: translateY(-2px);
    }

    .btn-outline {
        border-color: var(--panda-blue);
        color: var(--panda-blue);
        background: transparent;
    }

    .btn-outline:hover, .btn-outline:focus {
        background: var(--panda-blue);
        color: #fff;
    }

    .btn:focus-visible {
        outline: 2px solid var(--panda-blue);
        outline-offset: 2px;
    }

    .btn-sm {
        height: 42px;
        padding: 0 22px;
        font-size: 14px;
    }

    .status-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--panda-mist);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-btn);
        padding: 4px 14px;
        font-size: 13px;
        font-weight: 600;
        color: var(--text-main);
    }

    .status-badge .dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        display: inline-block;
    }

    .dot.green {
        background: var(--success-dot);
    }

    .dot.orange {
        background: var(--panda-orange);
    }

    .dot.blue {
        background: var(--panda-blue);
    }

    /* ===== Header ===== */
    .main-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: #fff;
        box-shadow: var(--shadow-light);
    }

    .header-topbar {
        background: var(--panda-blue);
        color: rgba(255, 255, 255, 0.94);
        font-size: 13px;
        height: 32px;
        display: flex;
        align-items: center;
    }

    .header-topbar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .header-topbar a {
        color: rgba(255, 255, 255, 0.94);
        margin-left: 16px;
    }

    .header-topbar i {
        margin-right: 4px;
    }

    .header-main {
        background: #fff;
        border-bottom: 1px solid var(--border-line);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        text-decoration: none;
        flex-shrink: 0;
    }

    .brand-logo:hover {
        opacity: 0.9;
    }

    .logo-mark {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: linear-gradient(145deg, #1E3A52 60%, #3478A5 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        border: 2px solid var(--panda-orange);
    }

    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
    }

    .logo-text strong {
        font-size: 20px;
        font-weight: 800;
        color: var(--text-main);
        letter-spacing: 1px;
    }

    .logo-text small {
        font-size: 11px;
        font-weight: 600;
        color: var(--panda-blue);
        letter-spacing: 3px;
    }

    .main-nav ul {
        list-style: none;
        display: flex;
        align-items: center;
        gap: 4px;
        margin: 0;
    }

    .main-nav ul li a {
        display: block;
        padding: 8px 18px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-main);
        border-radius: 8px;
        transition: all 0.25s ease;
        position: relative;
    }

    .main-nav ul li a:hover {
        color: var(--panda-blue);
        background: var(--panda-mist);
    }

    .main-nav ul li.active a {
        color: var(--panda-blue);
        font-weight: 700;
    }

    .main-nav ul li.active a::after {
        content: "";
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: 0;
        height: 3px;
        background: var(--panda-blue);
        border-radius: 4px 4px 0 0;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        cursor: pointer;
        border-radius: 8px;
    }

    .menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text-main);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .menu-toggle:hover {
        background: var(--panda-mist);
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav-mobile-actions {
        display: none;
    }

    /* ===== Category Hero ===== */
    .category-hero {
        position: relative;
        background: linear-gradient(135deg, var(--panda-mist) 0%, #EAF3F9 55%, rgba(214, 231, 242, 0.85) 100%);
        padding: 80px 0;
        overflow: hidden;
    }

    .category-hero::before {
        content: "";
        position: absolute;
        right: -10%;
        top: -30%;
        width: 50%;
        height: 100%;
        background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
        opacity: 0.18;
        border-radius: var(--radius-block);
        transform: rotate(6deg);
    }

    .category-hero::after {
        content: "";
        position: absolute;
        left: -4%;
        bottom: -20%;
        width: 24%;
        height: 60%;
        background: radial-gradient(circle at center, rgba(52, 120, 165, 0.12), transparent 70%);
        pointer-events: none;
    }

    .category-hero .hero-content {
        position: relative;
        z-index: 2;
        max-width: 680px;
    }

    .category-hero .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #fff;
        border: 1px solid var(--border-line);
        border-radius: var(--radius-btn);
        padding: 6px 18px;
        font-size: 13px;
        font-weight: 600;
        color: var(--panda-blue);
        box-shadow: var(--shadow-light);
        margin-bottom: 20px;
    }

    .category-hero h1 {
        font-size: clamp(32px, 5vw, 52px);
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.2;
        margin-bottom: 20px;
    }

    .category-hero h1 span {
        color: var(--panda-blue);
    }

    .category-hero p {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 560px;
        margin-bottom: 28px;
    }

    .hero-buttons {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* ===== Stats ===== */
    .stats-strip {
        background: var(--dark-block);
        padding: 48px 0;
        color: #fff;
    }

    .stat-item {
        text-align: center;
        padding: 16px 24px;
    }

    .stat-item .stat-number {
        font-size: clamp(28px, 3.2vw, 40px);
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
    }

    .stat-item .stat-number em {
        font-style: normal;
        color: var(--panda-orange);
    }

    .stat-item .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
        margin-top: 4px;
    }

    .stat-divider {
        border-left: 1px solid rgba(255, 255, 255, 0.12);
    }

    /* ===== News Cards ===== */
    .news-section {
        background: var(--panda-card);
    }

    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .news-card {
        background: var(--panda-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-light);
        transition: transform 0.25s ease, box-shadow 0.25s ease;
        display: flex;
        flex-direction: column;
    }

    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }

    .news-card .card-cover {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--panda-mist);
    }

    .news-card .card-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

    .news-card:hover .card-cover img {
        transform: scale(1.04);
    }

    .card-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(255, 255, 255, 0.94);
        border-radius: var(--radius-btn);
        padding: 4px 14px;
        font-size: 12px;
        font-weight: 600;
        color: var(--panda-blue);
        box-shadow: var(--shadow-light);
        backdrop-filter: blur(4px);
    }

    .card-body {
        padding: 22px 24px 24px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .card-body h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--text-main);
        line-height: 1.45;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        min-height: 55px;
    }

    .card-body h3 a {
        color: inherit;
    }

    .card-body h3 a:hover {
        color: var(--panda-blue);
    }

    .card-body p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 16px;
        flex: 1;
    }

    .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 14px;
        border-top: 1px solid var(--border-line);
    }

    .card-meta .date {
        font-size: 13px;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 6px;
        font-variant-numeric: tabular-nums;
    }

    .card-meta .read-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--panda-blue);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap 0.25s ease;
    }

    .card-meta .read-link:hover {
        gap: 10px;
        color: var(--panda-orange-hover);
    }

    /* ===== Coverage ===== */
    .coverage-section {
        background: var(--panda-mist);
    }

    .coverage-wrap {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 48px;
        align-items: center;
    }

    .coverage-content h2 {
        font-size: clamp(24px, 3.5vw, 36px);
        font-weight: 700;
        margin-bottom: 16px;
        line-height: 1.35;
    }

    .coverage-content > p {
        color: var(--text-secondary);
        font-size: 16px;
        margin-bottom: 24px;
        line-height: 1.8;
    }

    .coverage-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .coverage-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 18px;
        background: #fff;
        border: 1px solid var(--border-line);
        border-radius: 12px;
        transition: box-shadow 0.25s ease;
    }

    .coverage-list li:hover {
        box-shadow: var(--shadow-card);
    }

    .coverage-list li i {
        font-size: 18px;
        color: var(--panda-blue);
        margin-top: 3px;
        flex-shrink: 0;
    }

    .coverage-list li .cov-text {
        font-size: 15px;
        color: var(--text-main);
        line-height: 1.6;
    }

    .coverage-list li .cov-text strong {
        display: block;
        font-weight: 700;
        margin-bottom: 2px;
    }

    .coverage-image {
        border-radius: var(--radius-block);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        aspect-ratio: 4 / 3;
    }

    .coverage-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* ===== Rules ===== */
    .rules-section {
        background: #fff;
    }

    .rules-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 48px;
    }

    .rule-item {
        background: var(--panda-mist);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-card);
        padding: 28px 24px;
        text-align: center;
        transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .rule-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card);
        background: #fff;
    }

    .rule-item .rule-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: var(--panda-blue-light);
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px;
        font-size: 22px;
        color: var(--panda-blue);
    }

    .rule-item h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }

    .rule-item p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .rule-item .rule-index {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        color: var(--panda-orange);
        background: rgba(243, 156, 45, 0.12);
        padding: 2px 10px;
        border-radius: var(--radius-btn);
        margin-bottom: 12px;
    }

    /* ===== FAQ ===== */
    .faq-section {
        background: var(--panda-mist);
    }

    .faq-list {
        max-width: 840px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .faq-item {
        background: #fff;
        border: 1px solid var(--border-line);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: box-shadow 0.25s ease;
    }

    .faq-item:hover {
        box-shadow: var(--shadow-card);
    }

    .faq-item.active {
        border-color: var(--panda-blue);
        box-shadow: 0 0 0 2px rgba(52, 120, 165, 0.08), var(--shadow-card);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 700;
        color: var(--text-main);
        gap: 16px;
        user-select: none;
    }

    .faq-question:hover {
        color: var(--panda-blue);
    }

    .faq-item.active .faq-question {
        color: var(--panda-blue);
    }

    .faq-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--panda-blue-light);
        color: var(--panda-blue);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 700;
        flex-shrink: 0;
        transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
        transform: rotate(45deg);
        background: var(--panda-blue);
        color: #fff;
    }

    .faq-answer {
        padding: 0 24px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
    }

    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }

    .faq-answer p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.75;
        border-top: 1px solid var(--border-line);
        padding-top: 16px;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--dark-block);
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        right: -10%;
        top: 0;
        width: 40%;
        height: 100%;
        background: url('/assets/images/coverpic/cover-4.png') no-repeat center center / cover;
        opacity: 0.12;
        transform: rotate(4deg);
    }

    .cta-inner {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 640px;
        margin: 0 auto;
    }

    .cta-inner h2 {
        font-size: clamp(24px, 3.5vw, 34px);
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
        line-height: 1.35;
    }

    .cta-inner p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.75);
        margin-bottom: 28px;
        line-height: 1.8;
    }

    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .cta-buttons .btn-primary {
        background: var(--panda-orange);
    }

    .cta-buttons .btn-outline {
        border-color: rgba(255, 255, 255, 0.5);
        color: #fff;
    }

    .cta-buttons .btn-outline:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #fff;
        color: #fff;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark-block);
        color: rgba(255, 255, 255, 0.8);
        padding: 64px 0 0;
        position: relative;
    }

    .site-footer::before {
        content: "";
        display: block;
        width: 60px;
        height: 3px;
        background: var(--panda-orange);
        border-radius: 4px;
        margin-bottom: 48px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;
    }

    .footer-brand .logo-mark {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .footer-logo {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
    }

    .footer-logo span {
        font-size: 12px;
        font-weight: 600;
        color: var(--panda-blue-light);
        letter-spacing: 2px;
        margin-left: 6px;
    }

    .site-footer p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.65);
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 20px;
    }

    .footer-col ul {
        list-style: none;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-col ul li {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.65);
    }

    .footer-col ul li a {
        color: rgba(255, 255, 255, 0.65);
    }

    .footer-col ul li a:hover {
        color: var(--panda-orange);
    }

    .footer-col ul li i {
        width: 20px;
        color: var(--panda-blue-light);
        margin-right: 6px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 48px;
        padding: 20px 0;
        text-align: center;
    }

    .footer-bottom p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .news-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .rules-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .menu-toggle {
            display: flex;
        }

        .main-nav {
            position: fixed;
            top: 104px;
            right: -100%;
            width: 100%;
            background: #fff;
            box-shadow: 0 20px 40px rgba(21, 51, 76, 0.15);
            transition: right 0.35s ease;
            padding: 16px 24px 24px;
            border-bottom: 1px solid var(--border-line);
            max-height: calc(100vh - 104px);
            overflow-y: auto;
        }

        .main-nav.open {
            right: 0;
        }

        .main-nav ul {
            flex-direction: column;
            gap: 0;
        }

        .main-nav ul li {
            width: 100%;
            border-bottom: 1px solid var(--border-line);
        }

        .main-nav ul li:last-child {
            border-bottom: none;
        }

        .main-nav ul li a {
            padding: 14px 8px;
            border-radius: 0;
            font-size: 16px;
        }

        .main-nav ul li.active a::after {
            display: none;
        }

        .main-nav ul li.active a {
            color: var(--panda-blue);
        }

        .header-actions {
            display: none;
        }

        .nav-mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding-top: 16px;
            margin-top: 8px;
            border-top: 1px solid var(--border-line);
        }

        .nav-mobile-actions .btn {
            width: 100%;
        }

        .nav-mobile-actions .status-badge {
            justify-content: center;
        }

        .category-hero {
            padding: 56px 0;
        }

        .category-hero::before {
            opacity: 0.08;
        }

        .coverage-wrap {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .coverage-image {
            aspect-ratio: 16 / 9;
        }

        .header-topbar .container span {
            display: none;
        }
    }

    @media (max-width: 520px) {
        .news-grid {
            grid-template-columns: 1fr;
        }

        .rules-grid {
            grid-template-columns: 1fr;
        }

        .stat-divider {
            border-left: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-buttons {
            flex-direction: column;
        }

        .hero-buttons .btn {
            width: 100%;
        }

        .cta-buttons {
            flex-direction: column;
        }

        .cta-buttons .btn {
            width: 100%;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .logo-text strong {
            font-size: 18px;
        }
    }

    @media (max-width: 420px) {
        .header-topbar .container {
            justify-content: center;
        }

        .header-topbar .container span {
            display: none;
        }

        .brand-logo {
            gap: 8px;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            font-size: 15px;
        }
    }

/* roulang page: category2 */
:root {
  --primary: #3478A5;
  --primary-light: #D6E7F2;
  --primary-bg: #F4F8FB;
  --card-bg: #FFFFFF;
  --accent: #F39C2D;
  --accent-hover: #C97F10;
  --text-main: #1E3A52;
  --text-secondary: #5A7A92;
  --text-light: #8CA3B5;
  --border: #E1EAF1;
  --dark: #16324A;
  --success: #44B183;
  --error: #D5573B;
  --radius-card: 16px;
  --radius-block: 24px;
  --radius-btn: 999px;
  --radius-input: 10px;
  --shadow-light: 0 2px 8px rgba(21, 51, 76, 0.05);
  --shadow-card: 0 10px 28px rgba(21, 51, 76, 0.07);
  --shadow-hover: 0 18px 44px rgba(21, 51, 76, 0.11);
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans SC', sans-serif;
  --container-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--primary-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-family); color: var(--text-main); line-height: 1.35; margin: 0 0 12px; }
p { margin: 0 0 16px; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.grid-x { margin-right: auto; margin-left: auto; }
.hidden { display: none; }

/* ===== Button ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .5px;
  cursor: pointer;
  transition: all .25s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 6px 18px rgba(243,156,45,.28); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(201,127,16,.32); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-secondary { background: var(--primary-light); color: var(--primary); border-color: transparent; }
.btn-secondary:hover { background: #C3DCEB; color: var(--primary); transform: translateY(-2px); }
.btn-secondary:active { transform: translateY(0); }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn-lg { height: 56px; padding: 0 40px; font-size: 16px; }

/* ===== Top Info Bar ===== */
.top-info-bar {
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  height: 32px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.top-info-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.top-info-bar span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.top-info-bar i { font-size: 12px; opacity: .85; }
.top-info-bar .topbar-hide { opacity: 0; }

/* ===== Header / Nav ===== */
.main-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: var(--shadow-light); }
.main-header.scrolled .header-main { box-shadow: 0 4px 14px rgba(21,51,76,.07); }
.header-main { background: #fff; height: 72px; transition: box-shadow .3s ease; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 18px;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute; inset: -2px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: .5;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-size: 20px; font-weight: 800; color: var(--text-main); letter-spacing: 1px; }
.logo-text small { font-size: 11px; color: var(--primary); font-weight: 600; letter-spacing: 2px; margin-top: 2px; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav ul li a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: 8px;
  position: relative;
  transition: color .2s, background .2s;
}
.main-nav ul li a::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}
.main-nav ul li a:hover { color: var(--primary); background: var(--primary-bg); }
.main-nav ul li a:hover::after { transform: scaleX(1); }
.main-nav ul li.active a { color: var(--primary); }
.main-nav ul li.active a::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-mobile-actions { display: none; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}
.status-badge .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-badge .dot.green { background: var(--success); }
.status-badge .dot.orange { background: var(--accent); }
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  transition: border-color .2s, background .2s;
}
.menu-toggle:hover { border-color: var(--primary); }
.menu-toggle span { width: 20px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all .25s ease; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Cat Hero ===== */
.cat-hero {
  background: var(--primary-bg);
  background-image: linear-gradient(120deg, rgba(244,248,251,.96) 30%, rgba(214,231,242,.88)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--border);
}
.cat-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.cat-hero-text .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  background: #fff;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  margin-bottom: 20px;
}
.cat-hero-text h1 {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--text-main);
  letter-spacing: 1px;
}
.cat-hero-text p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.cat-hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-card strong {
  display: block;
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-card span { font-size: 14px; color: var(--text-secondary); }

/* ===== Section ===== */
.section { padding: 96px 0; }
.section.section-white { background: #fff; }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(28px, 3.5vw, 38px); font-weight: 800; margin-bottom: 12px; }
.section-head p { color: var(--text-secondary); font-size: 16px; }

/* ===== Corp Zigzag ===== */
.corp-list-section { padding: 96px 0; }
.corp-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}
.corp-item:last-child { margin-bottom: 0; }
.corp-media {
  border-radius: var(--radius-block);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
  aspect-ratio: 16 / 10;
}
.corp-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.corp-item:hover .corp-media { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.corp-item:hover .corp-media img { transform: scale(1.03); }
.corp-content { padding: 8px 0; }
.corp-tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: var(--radius-btn);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}
.corp-content h3 { font-size: 24px; font-weight: 700; line-height: 1.4; margin-bottom: 14px; }
.corp-content p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; margin-bottom: 18px; }
.corp-meta { display: flex; align-items: center; gap: 18px; font-size: 14px; color: var(--text-light); }
.corp-meta i { font-size: 13px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--primary); transition: color .2s, gap .2s; }
.text-link:hover { color: var(--accent-hover); gap: 9px; }
@media (min-width: 768px) {
  .corp-item:nth-child(even) .corp-media { order: 2; }
}

/* ===== Timeline ===== */
.timeline-section { padding: 96px 0; background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.brand-timeline { max-width: 760px; margin: 0 auto; position: relative; padding-left: 32px; }
.brand-timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding: 28px 32px;
  background: var(--primary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: box-shadow .25s ease, transform .25s ease;
}
.timeline-item:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 38px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-item:last-child { margin-bottom: 0; }
.tl-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: var(--radius-btn);
  padding: 4px 12px;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.timeline-item h3 { font-size: 19px; font-weight: 700; margin-bottom: 6px; }
.timeline-item p { font-size: 15px; color: var(--text-secondary); margin: 0; line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { padding: 96px 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-accordion { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-block); overflow: hidden; }
.faq-accordion .accordion-item { border-bottom: 1px solid var(--border); }
.faq-accordion .accordion-item:last-child { border-bottom: none; }
.faq-accordion .accordion-title {
  position: relative;
  display: block;
  padding: 22px 56px 22px 28px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  background: #fff;
  transition: color .2s ease;
}
.faq-accordion .accordion-title:hover { color: var(--primary); }
.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after {
  content: '';
  position: absolute;
  right: 28px; top: 50%;
  width: 14px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: translateY(-50%);
  transition: transform .25s ease, opacity .25s ease;
}
.faq-accordion .accordion-title::after { transform: translateY(-50%) rotate(90deg); }
.faq-accordion .accordion-item.is-active .accordion-title::after { transform: translateY(-50%) rotate(0deg); opacity: .4; }
.faq-accordion .accordion-content {
  padding: 0 28px 22px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}
.faq-accordion .accordion-content p { margin: 0; }

/* ===== CTA ===== */
.cta-section { padding: 96px 0; }
.cta-box {
  background: var(--primary-bg);
  background-image: linear-gradient(135deg, rgba(244,248,251,.98), rgba(214,231,242,.92)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-block);
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  box-shadow: var(--shadow-card);
}
.cta-left h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; margin-bottom: 14px; }
.cta-left p { color: var(--text-secondary); font-size: 16px; margin-bottom: 24px; max-width: 400px; }
.cta-left .privacy { font-size: 13px; color: var(--text-light); display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; }
.cta-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card); padding: 32px; box-shadow: var(--shadow-card); }
.cta-form label { display: block; font-size: 14px; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.cta-form input,
.cta-form select {
  height: 48px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  font-size: 15px;
  font-family: var(--font-family);
  color: var(--text-main);
  background: #fff;
  width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(52,120,165,.14);
}
.cta-form input::placeholder { color: var(--text-light); }
.cta-form .form-row { margin-bottom: 20px; }
.cta-form .btn { width: 100%; }
.cta-form .btn:hover { transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: #A7BFD3;
  padding: 64px 0 0;
  border-top: 3px solid var(--accent);
}
.site-footer .container { max-width: var(--container-width); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .logo-mark { border-color: var(--primary-light); color: #fff; background: transparent; }
.footer-logo { font-size: 24px; font-weight: 800; color: #fff; letter-spacing: 1px; }
.footer-logo span { font-size: 13px; color: var(--primary-light); margin-left: 6px; letter-spacing: 2px; }
.site-footer p { color: #8FA8BE; font-size: 15px; line-height: 1.8; margin-bottom: 24px; max-width: 380px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; position: relative; }
.footer-col h4::after { content: ''; display: block; width: 28px; height: 2px; background: var(--accent); margin-top: 8px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #8FA8BE; font-size: 15px; transition: color .2s, padding-left .2s; }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-col ul li i { margin-right: 8px; color: var(--primary-light); font-size: 14px; width: 16px; }
.footer-bottom {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  text-align: center;
  font-size: 14px;
  color: #708B9F;
}
.footer-bottom p { margin: 0; max-width: none; }

/* ===== Mobile Navigation ===== */
@media (max-width: 1023px) {
  .main-nav {
    position: fixed;
    right: -320px;
    top: 0;
    width: 300px;
    height: 100%;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 90px 24px 40px;
    box-shadow: -12px 0 40px rgba(21,51,76,.14);
    border-radius: 0 0 0 var(--radius-block);
    transition: right .35s ease;
    z-index: 1000;
    overflow-y: auto;
  }
  .main-nav.open { right: 0; }
  .main-nav ul { flex-direction: column; align-items: flex-start; width: 100%; gap: 4px; }
  .main-nav ul li { width: 100%; }
  .main-nav ul li a { display: block; padding: 14px 12px; font-size: 18px; }
  .main-nav ul li a::after { left: 12px; right: auto; width: 0; height: 3px; transform: scaleX(0); transition: width .25s ease; }
  .main-nav ul li a:hover::after,
  .main-nav ul li.active a::after { width: 32px; transform: scaleX(1); }
  .nav-mobile-actions { display: flex; flex-direction: column; align-items: stretch; gap: 12px; margin-top: 24px; width: 100%; }
  .nav-mobile-actions .btn { width: 100%; }
  .nav-mobile-actions .status-badge { justify-content: center; }
  .menu-toggle { display: inline-flex; z-index: 1001; }
  .header-actions { display: none; }
  .header-inner { justify-content: space-between; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  section, .section, .corp-list-section, .timeline-section, .faq-section, .cta-section { padding: 56px 0; }
  .cat-hero { padding: 56px 0 48px; }
  .cat-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .cat-hero-stats { gap: 12px; }
  .stat-card { padding: 20px 14px; }
  .stat-card strong { font-size: 30px; }
  .corp-item { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
  .corp-content h3 { font-size: 20px; }
  .corp-meta { flex-wrap: wrap; gap: 12px; }
  .brand-timeline { padding-left: 24px; }
  .timeline-item { padding: 20px; }
  .timeline-item::before { left: -22px; }
  .cta-box { grid-template-columns: 1fr; gap: 32px; padding: 32px 24px; }
  .cta-form { padding: 24px; }
  .footer-col { margin-bottom: 36px; }
  .footer-bottom { margin-top: 24px; }
  .topbar-hide { display: none; }
}

/* Focus */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* roulang page: article */
:root {
  --primary: #3478A5;
  --primary-light: #D6E7F2;
  --page-bg: #F4F8FB;
  --card-bg: #FFFFFF;
  --accent: #F39C2D;
  --accent-hover: #C97F10;
  --text-main: #1E3A52;
  --text-secondary: #5A7A92;
  --border-color: #E1EAF1;
  --dark-bg: #16324A;
  --success: #44B183;
  --error: #D5573B;
  --radius-card: 16px;
  --radius-block: 24px;
  --radius-btn: 999px;
  --radius-input: 10px;
  --shadow-sm: 0 2px 8px rgba(21, 51, 76, 0.05);
  --shadow-card: 0 10px 28px rgba(21, 51, 76, 0.07);
  --shadow-hover: 0 18px 44px rgba(21, 51, 76, 0.11);
  --container-max: 1200px;
}
* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 { font-family: inherit; color: var(--text-main); font-weight: 700; line-height: 1.3; }
h1 { font-size: clamp(32px, 5vw, 52px); }
h2 { font-size: clamp(24px, 3.5vw, 36px); }
h3 { font-size: 22px; }
h4 { font-size: 20px; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.grid-x > .cell { min-width: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  height: 50px;
  padding: 0 28px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn:focus-visible, .menu-toggle:focus-visible, .signup-form input:focus-visible, .signup-form select:focus-visible, .signup-form textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: var(--primary-light); color: var(--primary); }
.btn-secondary:hover { background: #C3DCEB; color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary); }
.btn-sm { height: 42px; padding: 0 22px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-lg { height: 56px; padding: 0 36px; font-size: 16px; }

.badge, .status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  line-height: 1;
}
.badge { padding: 6px 14px; font-size: 13px; }
.badge-blue { background: var(--primary-light); color: var(--primary); }
.status-badge { background: #fff; border: 1px solid var(--border-color); padding: 8px 16px; font-size: 13px; color: var(--text-main); box-shadow: var(--shadow-sm); }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot.green { background: var(--success); }
.dot.orange { background: var(--accent); }

.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease;
}
.main-header.is-scrolled { box-shadow: 0 8px 28px rgba(21, 51, 76, 0.1); }
.header-main { height: 72px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.brand-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dark-bg);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--accent);
  font-size: 17px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-size: 20px; color: var(--text-main); font-weight: 800; letter-spacing: .5px; }
.logo-text small { font-size: 10px; color: var(--text-secondary); letter-spacing: 3px; font-weight: 600; }
.main-nav { display: flex; align-items: center; }
.main-nav ul { list-style: none; display: flex; align-items: center; gap: 4px; margin: 0; }
.main-nav ul li { margin: 0; }
.main-nav ul li a {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 20px;
  text-decoration: none;
  transition: background-color .25s ease, color .25s ease;
}
.main-nav ul li a:hover { color: var(--primary); background: var(--primary-light); }
.main-nav ul li.active a { color: var(--primary); background: var(--primary-light); }
.nav-mobile-actions { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  padding: 10px;
  flex: none;
}
.menu-toggle span { display: block; height: 2px; background: var(--text-main); border-radius: 2px; }

.article-page { padding: 40px 0 40px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--primary); text-decoration: none; padding: 4px 0; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; color: #A9C2D3; }
.breadcrumb .current { color: var(--text-secondary); font-weight: 500; }

.article-main {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.article-header { padding: 32px 40px 24px; }
.article-header h1 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; line-height: 1.4; margin: 0 0 16px; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 16px;
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); font-size: 14px; }
.meta-item i { color: var(--primary); }
.article-cover { margin: 0 40px; }
.article-cover img { width: 100%; border-radius: 16px; aspect-ratio: 16/9; object-fit: cover; box-shadow: var(--shadow-sm); }
.article-content { padding: 32px 40px 40px; font-size: 17px; line-height: 1.9; color: var(--text-main); }
.article-content h2 { font-size: 26px; font-weight: 700; margin: 36px 0 16px; }
.article-content h3 { font-size: 22px; margin: 28px 0 12px; }
.article-content p { margin-bottom: 20px; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content img { border-radius: 12px; margin: 16px 0; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 20px; }
.article-content blockquote { border-left: 4px solid var(--primary-light); padding: 8px 16px; margin: 20px 0; background: var(--page-bg); border-radius: 0 12px 12px 0; color: var(--text-secondary); }
.article-footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 40px;
  border-top: 1px solid var(--border-color);
  background: var(--page-bg);
  align-items: center;
}
.related-section { padding: 32px 40px 40px; border-top: 1px solid var(--border-color); }
.related-section h3 { font-size: 22px; margin: 0 0 20px; color: var(--text-main); }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.related-card {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  transition: transform .25s ease, box-shadow .25s ease;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .rel-thumb { display: block; aspect-ratio: 16/9; overflow: hidden; }
.related-card .rel-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.related-card:hover .rel-thumb img { transform: scale(1.03); }
.related-card .rel-body { padding: 20px; }
.related-card .rel-cat { display: inline-block; font-size: 13px; color: var(--primary); background: var(--primary-light); padding: 4px 12px; border-radius: 999px; font-weight: 600; }
.related-card h4 { font-size: 17px; font-weight: 700; line-height: 1.5; margin: 10px 0 8px; }
.related-card h4 a { color: var(--text-main); text-decoration: none; }
.related-card h4 a:hover { color: var(--primary); }
.related-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-secondary); margin-top: 12px; }
.related-meta a { color: var(--primary); font-weight: 600; text-decoration: none; }
.related-meta i { margin-right: 4px; }

.sidebar-inner { padding-left: 24px; }
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}
.sidebar-card h3 { font-size: 20px; margin-bottom: 8px; color: var(--text-main); }
.sidebar-card h4 { font-size: 17px; margin-bottom: 16px; color: var(--text-main); }
.sidebar-card-head { margin-bottom: 16px; }
.sidebar-card-head p { color: var(--text-secondary); font-size: 14px; margin: 8px 0 0; }
.countdown-label { font-size: 14px; color: var(--text-secondary); display: block; margin-bottom: 10px; }
.countdown-row { display: flex; gap: 8px; margin: 12px 0 20px; justify-content: center; flex-wrap: wrap; }
.cd-item { background: var(--primary-light); border-radius: 12px; width: 64px; padding: 10px 0; text-align: center; }
.cd-item span { display: block; font-size: 24px; font-weight: 800; color: var(--dark-bg); font-variant-numeric: tabular-nums; line-height: 1.2; }
.cd-item small { font-size: 12px; color: var(--text-secondary); display: block; margin-top: 2px; }
.side-nav { list-style: none; }
.side-nav li { border-bottom: 1px solid var(--border-color); }
.side-nav li:last-child { border-bottom: 0; }
.side-nav a { display: block; padding: 10px 0; color: var(--text-main); text-decoration: none; font-weight: 500; transition: padding-left .2s ease, color .2s ease; }
.side-nav a:hover { color: var(--primary); padding-left: 6px; }
.side-post-list { list-style: none; }
.side-post-list li { padding: 12px 0; border-bottom: 1px solid var(--border-color); }
.side-post-list li:last-child { border-bottom: 0; }
.side-post-list li a { color: var(--text-main); text-decoration: none; font-weight: 500; line-height: 1.5; display: block; }
.side-post-list li a:hover { color: var(--primary); }
.side-post-list li span { display: block; font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.contact-card ul { list-style: none; }
.contact-card li { padding: 6px 0; color: var(--text-secondary); font-size: 15px; display: flex; align-items: center; gap: 10px; }
.contact-card li i { color: var(--primary); width: 18px; text-align: center; }

.article-cta-band {
  background: var(--primary-light);
  border: 1px solid #C7DBE9;
  border-radius: var(--radius-block);
  padding: 40px;
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-card);
}
.cta-copy .eyebrow { display: inline-block; font-size: 14px; font-weight: 700; color: var(--primary); background: #fff; padding: 6px 14px; border-radius: 999px; margin-bottom: 12px; }
.cta-copy h3 { font-size: clamp(22px, 2.5vw, 30px); margin-bottom: 12px; color: var(--text-main); }
.cta-copy p { color: var(--text-secondary); margin-bottom: 16px; max-width: 480px; }
.cta-copy .countdown-row { justify-content: flex-start; margin-top: 0; }
.signup-form .form-row { margin-bottom: 14px; }
.signup-form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text-main); }
.signup-form input, .signup-form select, .signup-form textarea {
  width: 100%;
  height: 48px;
  border: 1px solid #D6E2EA;
  border-radius: var(--radius-input);
  padding: 0 16px;
  font-size: 15px;
  background: #fff;
  color: var(--text-main);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.signup-form textarea { height: auto; resize: vertical; padding: 12px 16px; }
.signup-form input:focus, .signup-form select:focus, .signup-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(52, 120, 165, 0.15);
  outline: none;
}
.signup-form .btn { margin-top: 8px; }
.tip { font-size: 13px; color: var(--text-secondary); margin-top: 10px; }

.article-empty { padding: 80px 40px; text-align: center; color: var(--text-secondary); }
.article-empty .empty-icon {
  font-size: 36px;
  color: var(--primary);
  background: var(--primary-light);
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.article-empty h2 { font-size: 28px; margin-bottom: 12px; color: var(--text-main); }
.article-empty p { margin-bottom: 24px; }

.site-footer { background: var(--dark-bg); color: #A9BFD1; margin-top: 80px; }
.site-footer .container { padding-top: 56px; padding-bottom: 24px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo { color: #fff; font-size: 22px; font-weight: 800; }
.footer-logo span { font-size: 12px; color: var(--primary-light); letter-spacing: 2px; margin-left: 6px; }
.site-footer p { color: #91A9BB; font-size: 14px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 17px; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { color: #A9BFD1; font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-col ul a { color: #A9BFD1; text-decoration: none; transition: color .2s ease; }
.footer-col ul a:hover { color: #fff; }
.footer-col ul li i { width: 16px; text-align: center; opacity: .8; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); margin-top: 40px; padding: 20px 0 8px; text-align: center; }
.footer-bottom p { margin: 0; font-size: 14px; color: #7E98AC; }

@media (max-width: 1024px) {
  .sidebar-inner { padding-left: 0; padding-top: 24px; }
  .article-cta-band { grid-template-columns: 1fr; gap: 24px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  body { font-size: 15px; }
  .container { padding: 0 16px; }
  .header-actions { display: none; }
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    box-shadow: 0 20px 40px rgba(21, 51, 76, 0.14);
    transform: translateY(-120%);
    transition: transform .3s ease;
    z-index: 99;
    border-bottom: 1px solid var(--border-color);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; width: 100%; margin-bottom: 16px; gap: 0; }
  .main-nav ul li { border-bottom: 1px solid var(--border-color); }
  .main-nav ul li a { padding: 14px 8px; border-radius: 10px; }
  .main-nav ul li.active a { background: var(--primary-light); }
  .nav-mobile-actions { display: flex; flex-direction: column; gap: 12px; }
  .article-page { padding: 24px 0 40px; }
  .article-header { padding: 24px 20px 20px; }
  .article-cover { margin: 0 20px; }
  .article-content { padding: 24px 20px 28px; }
  .article-footer-nav { padding: 20px; }
  .article-footer-nav .btn { flex: 1; }
  .related-section { padding: 24px 20px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-cta-band { padding: 32px 20px; }
  .article-empty { padding: 60px 20px; }
  .site-footer .container { padding-top: 40px; }
  .footer-col { margin-bottom: 24px; }
}
@media (max-width: 520px) {
  .article-footer-nav { flex-direction: column; }
  .article-footer-nav .btn { width: 100%; }
  .header-inner { gap: 12px; }
  .logo-text strong { font-size: 18px; }
  .brand-logo .logo-mark { width: 36px; height: 36px; font-size: 15px; }
  .signup-form .form-row { margin-bottom: 12px; }
  .cd-item { width: 56px; }
}
