/* roulang page: index */
:root{
  --primary:#2F6FE4;
  --primary-hover:#2057C2;
  --primary-active:#1B4DA8;
  --primary-soft:#E7F0FD;
  --primary-soft-deep:#D6E7FF;
  --bg-page:#F5F8FE;
  --bg-white:#FFFFFF;
  --text-dark:#16283B;
  --text-body:#4A6178;
  --text-muted:#8299AD;
  --text-disabled:#9AAAB8;
  --border:#DEE8F4;
  --accent:#F5A623;
  --accent-soft:#FFF4D9;
  --success:#2DB47D;
  --radius-card:12px;
  --radius-btn:999px;
  --radius-img:16px;
  --shadow-card:0 6px 18px rgba(15, 34, 58, 0.05);
  --shadow-hover:0 12px 30px rgba(15, 34, 58, 0.08);
  --shadow-nav:0 6px 20px rgba(15, 34, 58, 0.06);
  --space-section:88px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text-body);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--text-dark);
  font-weight:700;
  line-height:1.28;
  text-rendering:optimizeLegibility;
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;border:0;background:none;padding:0;cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin-inline:auto}
.section{padding:var(--space-section) 0}
.section-light{background:var(--bg-white)}
.section-dark{background:#EEF4FD}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--radius-btn);
  padding:4px 14px;
  margin-bottom:14px;
}
.section-title{
  font-size:34px;
  font-weight:800;
  color:var(--text-dark);
  letter-spacing:-.01em;
  line-height:1.25;
}
.section-sub{
  margin-top:14px;
  font-size:16px;
  line-height:1.7;
  color:var(--text-body);
  max-width:680px;
}
.section-head{max-width:760px;margin-bottom:44px}

/* ===== top nav ===== */
.site-header{
  position:fixed;
  top:14px;
  left:50%;
  transform:translateX(-50%);
  width:min(1200px, calc(100% - 28px));
  z-index:999;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(222,232,244,.8);
  border-radius:var(--radius-btn);
  box-shadow:var(--shadow-nav);
}
.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:0 10px 0 26px;
  min-height:62px;
  border-radius:var(--radius-btn);
}
.logo{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-dark);
  white-space:nowrap;
  display:flex;
  align-items:center;
  gap:8px;
}
.logo .logo-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px var(--primary-soft);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0;
  list-style:none;
  flex:1;
  justify-content:center;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  color:var(--text-body);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{
  background:var(--primary);
  color:#fff;
  font-weight:600;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:8px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  padding:0 22px;
  height:44px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 8px 18px rgba(47,111,228,.24);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0)}
.btn-outline{background:#fff;color:var(--primary);border-color:#C6D8F0}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px)}
.btn-outline:active{background:var(--primary-soft)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:#F0F6FF;color:var(--primary-hover);box-shadow:0 8px 22px rgba(0,0,0,.08)}
.btn-white:active{background:#E2EEFF}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  color:var(--text-dark);
  border:1px solid var(--border);
  background:#fff;
}
.nav-toggle-icon{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle-icon::before,.nav-toggle-icon::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s ease,top .2s ease}
.nav-toggle-icon::before{top:-6px}
.nav-toggle-icon::after{top:6px}

/* ===== hero ===== */
.hero{
  position:relative;
  padding:164px 0 96px;
  overflow:hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(47,111,228,.13), transparent 40%),
    radial-gradient(circle at 14% 96%, rgba(245,166,35,.08), transparent 32%),
    var(--bg-page);
}
.hero-inner{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:64px;
  align-items:center;
}
.hero-copy{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--border);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-btn);
  padding:6px 16px;
  margin-bottom:24px;
  box-shadow:0 4px 12px rgba(15,34,58,.04);
}
.hero-badge .pulse{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 3px rgba(45,180,125,.18);
}
.hero h1{
  font-size:50px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-dark);
  max-width:580px;
}
.hero h1 .hero-line{display:block}
.hero h1 .primary-txt{color:var(--primary)}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.75;
  color:var(--text-body);
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-actions .btn{min-width:146px}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:18px 28px;
  margin-top:40px;
  color:var(--text-muted);
  font-size:13px;
}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust i{color:var(--primary);font-style:normal;font-weight:700}
.hero-visual{
  position:relative;
  height:460px;
  border-radius:24px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  box-shadow:0 24px 60px rgba(15,34,58,.12);
  border:1px solid rgba(255,255,255,.7);
  overflow:hidden;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(22,40,59,0) 30%,rgba(22,40,59,.35) 100%);
  border-radius:24px;
}
.hero-float-top{
  position:absolute;
  top:20px;left:20px;
  z-index:2;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(6px);
  border-radius:var(--radius-btn);
  padding:9px 16px;
  font-size:13px;
  font-weight:600;
  color:var(--text-dark);
  box-shadow:0 6px 16px rgba(15,34,58,.08);
}
.hero-float-bottom{
  position:absolute;
  left:20px;bottom:20px;
  z-index:2;
  right:20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.92);
  border-radius:var(--radius-card);
  padding:14px 18px;
  box-shadow:0 6px 18px rgba(15,34,58,.08);
}
.hero-float-bottom strong{
  display:block;
  font-size:15px;
  color:var(--text-dark);
}
.hero-float-bottom span{
  font-size:12px;
  color:var(--text-disabled);
}
.hero-float-tag{
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:6px 14px;
  border-radius:var(--radius-btn);
}

/* ===== privilege compare ===== */
.compare-section{background:#fff}
.compare-card-wrap{
  display:grid;
  grid-template-columns:1fr 1.08fr;
  gap:24px;
  align-items:stretch;
}
.compare-card{
  background:#fff;
  border:1.5px solid var(--border);
  border-radius:20px;
  padding:28px;
  position:relative;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.compare-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.compare-card.is-member{
  border-color:transparent;
  border-radius:20px;
  background:linear-gradient(var(--bg-white),var(--bg-white)) padding-box,
             linear-gradient(145deg,var(--primary),var(--primary-hover)) border-box;
  box-shadow:0 16px 40px rgba(47,111,228,.14);
}
.compare-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:22px;
  padding-bottom:20px;
  border-bottom:1px solid rgba(222,232,244,.8);
}
.compare-avatar{
  width:48px;height:48px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:19px;
  color:var(--text-muted);
  background:#EEF3FA;
}
.is-member .compare-avatar{
  color:var(--primary);
  background:var(--primary-soft);
}
.compare-title{
  font-size:19px;
  font-weight:700;
  color:var(--text-dark);
}
.compare-sub{
  font-size:12px;
  color:var(--text-muted);
  margin-top:2px;
}
.vip-corner{
  position:absolute;
  top:-12px;
  right:22px;
  background:linear-gradient(135deg,var(--accent),#FFC76B);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:5px 14px;
  border-radius:var(--radius-btn);
  box-shadow:0 6px 14px rgba(245,166,35,.25);
}
.compare-list{display:flex;flex-direction:column;gap:14px}
.compare-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:var(--text-body);
}
.compare-row .icon{
  width:22px;height:22px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-style:normal;
  font-size:13px;
  font-weight:700;
  flex-shrink:0;
  margin-top:1px;
}
.compare-row .icon.yes{
  background:var(--primary-soft);
  color:var(--primary);
}
.compare-row .icon.miss{
  background:#EAF0F5;
  color:#b5c3d0;
}
.compare-action{
  margin-top:26px;
  padding-top:22px;
  border-top:1px dashed var(--border);
}
.compare-action .btn{width:100%}

/* ===== plan section ===== */
.plan-section{background:var(--bg-page)}
.plans-grid{
  display:grid;
  grid-template-columns:1fr 1.14fr 1fr;
  gap:20px;
  align-items:end;
}
.plan-card{
  background:#fff;
  border-radius:20px;
  border:1px solid var(--border);
  padding:30px 26px;
  box-shadow:var(--shadow-card);
  position:relative;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.plan-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.plan-card.featured{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 18px 44px rgba(47,111,228,.16);
  padding-bottom:36px;
}
.plan-card.featured:hover{box-shadow:0 22px 50px rgba(47,111,228,.18)}
.plan-recom{
  position:absolute;
  top:-13px;
  left:50%;
  transform:translateX(-50%);
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:4px 18px;
  border-radius:var(--radius-btn);
  white-space:nowrap;
  box-shadow:0 6px 12px rgba(245,166,35,.26);
}
.plan-name{
  font-size:21px;
  font-weight:800;
  color:var(--text-dark);
}
.plan-type{
  display:inline-block;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  border-radius:var(--radius-btn);
  padding:4px 12px;
  margin-top:12px;
}
.plan-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-body);
}
.plan-divider{
  height:1px;
  background:var(--border);
  margin:22px 0;
}
.plan-feature{
  display:flex;
  gap:9px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-body);
  margin-bottom:10px;
}
.plan-feature b{color:var(--text-dark);font-weight:600}
.plan-feature .tick{
  width:20px;height:20px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  font-style:normal;
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  margin-top:2px;
}
.plan-card .btn{
  width:100%;
  margin-top:22px;
}
.featured .plan-name{font-size:24px}

/* ===== featured preview ===== */
.preview-section{background:#fff}
.preview-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.preview-card{
  background:#fff;
  border-radius:var(--radius-card);
  border:1px solid var(--border);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.preview-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}
.preview-media{
  position:relative;
  height:198px;
  overflow:hidden;
  background:var(--primary-soft);
}
.preview-media img,
.preview-media .img-cover{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.preview-card:hover .preview-media img,
.preview-card:hover .img-cover{transform:scale(1.05)}
.preview-tag{
  position:absolute;
  top:14px;left:14px;
  background:rgba(245,166,35,.95);
  color:#fff;
  font-size:12px;
  font-weight:600;
  border-radius:var(--radius-btn);
  padding:5px 14px;
  z-index:2;
}
.preview-tag.blue{
  background:rgba(47,111,228,.92);
}
.preview-body{
  padding:22px 20px 24px;
}
.preview-body h3{
  font-size:19px;
  color:var(--text-dark);
  font-weight:700;
  margin-bottom:8px;
}
.preview-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-body);
}

/* ===== FAQ ===== */
.faq-section{background:#EEF4FD}
.faq-inner{max-width:900px;margin:0 auto}
.faq-list{
  background:#fff;
  border-radius:20px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  padding:0 28px;
}
.faq-item{border-bottom:1px solid rgba(222,232,244,.9)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:24px 0;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--text-dark);
  transition:color .2s ease;
  user-select:none;
}
.faq-item summary:hover,
.faq-item details[open] summary{color:var(--primary)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  font-size:25px;
  font-weight:300;
  color:var(--primary);
  line-height:1;
  transition:transform .25s ease;
  flex-shrink:0;
}
.faq-item details[open] summary::after{transform:rotate(45deg)}
.faq-answer{
  padding:0 0 24px;
  color:var(--text-body);
  font-size:15px;
  line-height:1.8;
}
.faq-answer p{margin-bottom:8px}
.faq-answer p:last-child{margin-bottom:0}

/* ===== CTA ===== */
.cta-band{background:#fff;padding:56px 0 96px}
.cta-panel{
  position:relative;
  background:var(--primary);
  border-radius:28px;
  padding:64px 56px;
  overflow:hidden;
  color:#fff;
  text-align:center;
  box-shadow:0 22px 52px rgba(47,111,228,.28);
}
.cta-panel::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  top:-220px;right:-120px;
}
.cta-panel::after{
  content:"";
  position:absolute;
  width:300px;height:300px;
  border-radius:50%;
  background:rgba(255,255,255,.055);
  bottom:-170px;left:-70px;
}
.cta-panel .cta-inner{position:relative;z-index:2}
.cta-panel h2{
  color:#fff;
  font-size:34px;
  font-weight:800;
  letter-spacing:-.01em;
}
.cta-panel p{
  color:rgba(255,255,255,.9);
  font-size:16px;
  line-height:1.7;
  max-width:640px;
  margin:18px auto 0;
}
.cta-panel .btn{
  margin-top:34px;
  min-width:220px;
  height:52px;
  font-size:16px;
}
.cta-note{
  margin-top:18px;
  font-size:13px;
  color:rgba(255,255,255,.68);
}

/* ===== news ===== */
.news-section{background:var(--bg-page)}
.news-list{
  background:#fff;
  border-radius:20px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.news-item{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:
    "tag time"
    "title title"
    "desc desc"
    "more more";
  gap:8px 24px;
  padding:28px 32px;
  border-bottom:1px solid rgba(222,232,244,.8);
  transition:background .2s ease;
}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:#FAFCFF}
.news-tag{
  grid-area:tag;
  justify-self:start;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  border-radius:var(--radius-btn);
  padding:4px 13px;
}
.news-time{
  grid-area:time;
  justify-self:end;
  font-size:13px;
  color:var(--text-muted);
}
.news-link{
  grid-area:title;
  font-size:20px;
  font-weight:700;
  color:var(--text-dark);
  line-height:1.4;
  transition:color .2s ease;
}
.news-link:hover{color:var(--primary)}
.news-desc{
  grid-area:desc;
  font-size:15px;
  color:var(--text-body);
  line-height:1.7;
  margin-top:6px;
  max-width:900px;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.news-more{
  grid-area:more;
  justify-self:start;
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  margin-top:12px;
}
.news-more::after{content:"";width:12px;height:12px;border-top:1.5px solid var(--primary);border-right:1.5px solid var(--primary);transform:rotate(45deg);transition:transform .2s ease}
.news-more:hover::after{transform:rotate(45deg) translateX(3px)}
.news-empty{
  padding:60px 20px;
  text-align:center;
  border:1.5px dashed #C6D8F0;
  border-radius:16px;
  background:#FBFDFF;
  color:var(--text-muted);
  font-size:15px;
}

/* ===== footer ===== */
.site-footer{
  background:#EDF2FA;
  border-top:1px solid var(--border);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:44px;
}
.footer-brand .logo{font-size:22px;margin-bottom:14px}
.footer-brand p{
  font-size:14px;
  color:var(--text-body);
  line-height:1.8;
  max-width:340px;
  margin-top:10px;
}
.footer-col h4{
  font-size:16px;
  font-weight:700;
  color:var(--text-dark);
  margin-bottom:18px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:var(--text-body);
  padding:6px 0;
}
.footer-col a:hover{color:var(--primary)}
.footer-contact p{
  font-size:14px;
  color:var(--text-body);
  padding:6px 0;
}
.footer-contact .muted{color:var(--text-muted)}
.footer-bottom{
  border-top:1px solid rgba(222,232,244,.9);
  padding:20px 0;
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 20px;
  font-size:13px;
  color:var(--text-muted);
}

/* ===== responsive ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:340px;max-width:640px}
  .plans-grid{grid-template-columns:1fr;gap:24px;max-width:560px;margin:0 auto}
  .plan-card.featured{padding-bottom:30px}
  .preview-grid{grid-template-columns:repeat(2,1fr)}
  .compare-card-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--space-section:56px}
  .section-title{font-size:28px}
  .container{width:calc(100% - 28px)}
  .site-header{top:8px;width:calc(100% - 16px);border-radius:24px}
  .navbar{min-height:56px;padding:0 8px 0 16px;border-radius:24px}
  .logo{font-size:17px}
  .logo .logo-dot{display:none}
  .nav-actions .btn{
    display:none;
  }
  .nav-toggle{
    display:flex;
    margin-left:8px;
  }
  .nav-menu{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    background:#fff;
    border:1px solid var(--border);
    border-radius:20px;
    padding:14px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    box-shadow:var(--shadow-hover);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-link{
    justify-content:flex-start;
    height:44px;
    padding:0 14px;
    width:100%;
  }
  .nav-actions .btn-mobile{
    display:inline-flex;
    height:38px;
    padding:0 14px;
    font-size:13px;
    margin-left:auto;
  }
  .hero{
    padding:120px 0 60px;
  }
  .hero h1{
    font-size:34px;
  }
  .hero-sub{
    font-size:15px;
  }
  .hero-actions .btn{
    width:calc(50% - 7px);
    min-width:0;
    padding:0 14px;
  }
  .hero-visual{
    height:260px;
  }
  .compare-card-wrap{grid-template-columns:1fr}
  .preview-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .preview-media{height:190px}
  .cta-band{padding:32px 0 60px}
  .cta-panel{
    padding:44px 24px;
    border-radius:22px;
  }
  .cta-panel h2{font-size:25px}
  .cta-panel{background:var(--primary)}
  .cta-panel .btn{width:100%;max-width:260px}
  .news-item{
    grid-template-columns:1fr;
    grid-template-areas:
      "tag"
      "title"
      "desc"
      "time"
      "more";
    padding:22px 20px;
  }
  .news-time{justify-self:start}
  .news-link{font-size:18px}
  .faq-list{padding:0 18px}
  .faq-item summary{font-size:15px;padding:20px 0}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:28px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .hero-badge{font-size:12px;padding:5px 12px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-visual{height:200px}
  .hero-float-top{font-size:11px;left:12px;top:12px}
  .hero-float-bottom{left:12px;bottom:12px;right:12px;padding:12px 14px;flex-wrap:wrap}
  .logo{font-size:16px}
  .nav-menu{padding:6px}
  .section-title{font-size:24px}
}
.nav-actions .btn-mobile{display:none}
@media (max-width:768px){
  .nav-actions .btn{display:none}
}

/* roulang page: article */
:root{
  --bg:#F5F8FE;
  --surface:#FFFFFF;
  --primary:#2F6FE4;
  --primary-hover:#2057C2;
  --primary-active:#17469E;
  --primary-soft:#E7F0FD;
  --accent:#E8A33D;
  --title:#16283B;
  --body:#4A6178;
  --meta:#9AAAB8;
  --line:#DEE8F4;
  --line-soft:#EAF1F9;
  --danger-soft:#FBE9E7;
  --radius-card:14px;
  --radius-media:16px;
  --radius-pill:999px;
  --shadow-card:0 6px 18px rgba(15,34,58,.05);
  --shadow-hover:0 12px 30px rgba(15,34,58,.08);
  --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --gap:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-hover)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{padding-left:1.25rem}
p{margin:0}
h1,h2,h3,h4,h5{
  margin:0;
  color:var(--title);
  font-weight:700;
  line-height:1.35;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:22px;
  padding-right:22px;
}
.muted{color:var(--meta)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
  border:1px solid transparent;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(47,111,228,.22)}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(47,111,228,.28)}
.btn-primary:active{background:var(--primary-active)}
.btn-outline{background:#fff;color:var(--primary);border-color:#C8DCF8}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-hover);background:#F8FBFF}
.btn-light{background:#fff;color:var(--primary);border-color:transparent;box-shadow:0 8px 18px rgba(22,40,59,.08)}
.btn-light:hover{background:#F0F6FF;color:var(--primary-hover);transform:translateY(-1px)}
a:focus-visible,button:focus-visible{
  outline:3px solid rgba(47,111,228,.3);
  outline-offset:3px;
}

/* 顶部悬浮胶囊导航 */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  padding:16px 18px 0;
}
.navbar{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
  max-width:1160px;
  margin:0 auto;
  padding:0 12px 0 24px;
  border:1px solid rgba(222,232,244,.85);
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.87);
  box-shadow:0 8px 26px rgba(15,34,58,.07);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.logo{
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--title);
  font-size:20px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--title)}
.logo-dot{
  width:12px;
  height:12px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(47,111,228,.14);
}
.nav-menu{
  display:flex;
  align-items:center;
  flex:1;
  justify-content:center;
  list-style:none;
  margin:0;
  padding:0;
  gap:4px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 17px;
  border-radius:var(--radius-pill);
  color:#33475E;
  font-weight:500;
  font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary)}
.nav-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--primary-soft);
}
.nav-toggle-icon,.nav-toggle-icon::before,.nav-toggle-icon::after{
  display:block;
  width:20px;
  height:2px;
  background:var(--primary);
  border-radius:4px;
  content:"";
  transition:transform .25s ease;
  position:relative;
}
.nav-toggle-icon::before{position:absolute;top:-6px;left:0}
.nav-toggle-icon::after{position:absolute;top:6px;left:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{transform:rotate(-45deg);top:0}

/* 通用内页框架 */
.site-main{
  display:block;
  min-height:60vh;
}

/* 面包屑 */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--meta);
}
.breadcrumb a{color:#64788E}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .crumb-split{color:#C6D3E3}
.breadcrumb .current{
  color:var(--body);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:380px;
}

/* 文章头部区 */
.article-hero{
  position:relative;
  padding:142px 0 88px;
  background:
    radial-gradient(circle at 84% 22%,rgba(47,111,228,.09),transparent 30%),
    radial-gradient(circle at 12% 76%,rgba(47,111,228,.05),transparent 24%),
    var(--bg);
}
.article-hero .container{max-width:920px}
.cat-badge{
  display:inline-flex;
  align-items:center;
  margin-top:24px;
  padding:7px 16px;
  background:rgba(47,111,228,.1);
  color:var(--primary);
  border:1px solid #CDDFF9;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.3;
  letter-spacing:.01em;
  max-width:860px;
}
.article-meta{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  color:var(--meta);
  font-size:14px;
}
.article-meta .meta-dot{
  display:block;
  width:4px;
  height:4px;
  border-radius:50%;
  background:#C7D4E3;
}
.article-meta strong{color:#60788D;font-weight:500}

/* 正文外卡片区 */
.article-card{
  width:100%;
  max-width:800px;
  margin:calc(-56px) auto 0;
  position:relative;
  background:var(--surface);
  border-radius:22px;
  box-shadow:var(--shadow-card);
  padding:54px 62px 46px;
  border:1px solid rgba(222,232,244,.7);
}

/* 长文正文排版 */
.article-entry{
  color:#31475D;
  font-size:17px;
  line-height:1.95;
  overflow-wrap:break-word;
}
.article-entry > *{
  margin-top:0;
  margin-bottom:24px;
}
.article-entry > *:last-child{margin-bottom:0}
.article-entry h2,.article-entry h3,.article-entry h4{
  margin-top:40px;
  margin-bottom:18px;
  color:var(--title);
}
.article-entry h2{font-size:26px;padding-bottom:12px;border-bottom:1px solid var(--line-soft)}
.article-entry h3{font-size:21px}
.article-entry h4{font-size:18px;color:#263D56}
.article-entry p{line-height:1.95;text-align:justify}
.article-entry a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:#BCD4F7;
}
.article-entry a:hover{color:var(--primary-hover);text-decoration-color:var(--primary-hover)}
.article-entry ul,.article-entry ol{
  padding-left:1.3rem;
  margin-bottom:26px;
}
.article-entry li{margin-bottom:8px}
.article-entry blockquote{
  margin:32px 0;
  padding:22px 26px;
  border-left:4px solid var(--primary);
  background:#F4F8FE;
  border-radius:0 16px 16px 0;
  color:#405A72;
  font-size:16px;
  line-height:1.85;
}
.article-entry blockquote p{margin-bottom:0;text-align:left}
.article-entry img{
  width:auto;
  max-width:100%;
  height:auto;
  border-radius:18px;
  margin:34px auto;
  box-shadow:var(--shadow-card);
}
.article-entry figure{
  margin:34px 0;
}
.article-entry figure img{margin:0 auto}
.article-entry figcaption{
  margin-top:12px;
  text-align:center;
  color:var(--meta);
  font-size:13px;
  line-height:1.6;
}
.article-entry table{
  width:100%;
  border-collapse:collapse;
  margin:32px 0;
  font-size:15px;
}
.article-entry th{
  background:#EEF4FC;
  color:#19314B;
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  border:1px solid #DCE7F4;
}
.article-entry td{
  padding:11px 16px;
  border:1px solid #E4EEF8;
  line-height:1.6;
}
.article-entry hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:40px 0;
}
.article-entry audio,.article-entry video{
  width:100%;
  border-radius:16px;
  margin:28px 0;
}

/* 文末标签与回流 */
.article-end{
  margin-top:46px;
  padding-top:28px;
  border-top:1px dashed var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-pill);
  background:#F6F9FD;
  color:var(--body);
  font-size:13px;
  white-space:nowrap;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  color:var(--primary);
}
.text-link:hover{color:var(--primary-hover)}

/* 文内轻引 CTA */
.inline-guide{
  margin-top:42px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:26px 28px;
  background:#F2F8FF;
  border:1px solid #DCE9FB;
  border-radius:18px;
}
.inline-guide h3{margin:0 0 8px;font-size:19px}
.inline-guide p{margin:0;color:var(--body);font-size:14px;line-height:1.75;max-width:560px}
.inline-guide .btn{height:42px;padding:0 22px;font-size:14px}

/* 延伸阅读 */
.related-section{
  padding:90px 0 30px;
}
.related-head{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:34px;
  text-align:center;
}
.related-head h2{font-size:30px}
.related-head p{color:var(--meta);font-size:15px}
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  max-width:960px;
  margin:0 auto;
}
.related-card{
  display:block;
  background:var(--surface);
  border:1px solid rgba(222,232,244,.7);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.related-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:#C9DDF9;
}
.rel-cover{
  position:relative;
  aspect-ratio:16/9;
  background:#E7F0FD;
  overflow:hidden;
}
.rel-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.related-card:hover .rel-cover img{transform:scale(1.04)}
.cover-badge{
  position:absolute;
  top:14px;
  left:14px;
  padding:6px 13px;
  background:rgba(22,40,59,.66);
  color:#fff;
  font-size:12px;
  border-radius:var(--radius-pill);
  backdrop-filter:blur(6px);
}
.rel-info{padding:24px 26px 26px}
.rel-cat{
  display:inline-block;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  background:var(--primary-soft);
  padding:5px 11px;
  border-radius:8px;
  margin-bottom:14px;
}
.rel-info h3{font-size:20px;margin-bottom:10px;color:var(--title)}
.rel-info p{
  color:var(--body);
  font-size:15px;
  line-height:1.75;
  margin-bottom:16px;
}
.rel-more{
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* 内容未找到空态 */
.article-empty-section{
  padding:190px 20px 90px;
}
.empty-box{
  max-width:560px;
  margin:0 auto;
  background:#fff;
  border:1px dashed #C8D7E8;
  border-radius:22px;
  padding:64px 36px;
  text-align:center;
  box-shadow:var(--shadow-card);
}
.empty-icon{
  width:60px;
  height:60px;
  margin:0 auto 22px;
  border-radius:50%;
  background:#EEF5FF;
  color:var(--primary);
  font-weight:800;
  font-size:28px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.empty-box h2{font-size:25px;margin-bottom:12px}
.empty-box p{color:var(--meta);margin-bottom:28px}

/* 页脚 */
.site-footer{
  margin-top:70px;
  border-top:1px solid var(--line);
  background:#EDF3FB;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:38px;
  padding-top:58px;
  padding-bottom:46px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{
  max-width:340px;
  color:#677E92;
  font-size:14px;
  line-height:1.85;
}
.footer-col h4{
  font-size:16px;
  margin-bottom:18px;
  color:#273B50;
}
.footer-col a,.footer-contact p{
  display:block;
  color:#677E92;
  margin-bottom:12px;
  font-size:14px;
  line-height:1.7;
}
.footer-col a:hover{color:var(--primary)}
.footer-contact p{display:block}
.site-footer .muted{color:var(--meta);font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(222,232,244,.75);
  background:rgba(255,255,255,.38);
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:20px;
  padding-bottom:20px;
  color:var(--meta);
  font-size:13px;
}

/* 响应式 */
@media(max-width:992px){
  .container{padding-left:18px;padding-right:18px}
  .article-card{padding:42px 38px 38px}
  .article-entry{font-size:16.5px}
  .related-grid{max-width:760px}
}

@media(max-width:820px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 24px}
  .footer-brand{grid-column:1 / -1}
  .nav-menu{
    display:none;
    position:absolute;
    top:calc(100% + 14px);
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:0 18px 36px rgba(15,34,58,.1);
    padding:12px;
    gap:2px;
  }
  .nav-menu.open{display:flex}
  .nav-menu .nav-link{
    justify-content:flex-start;
    padding:13px 16px;
    font-size:16px;
  }
  .nav-toggle{display:inline-flex}
  .navbar{
    height:60px;
    border-radius:30px;
    max-width:680px;
    padding-left:20px;
  }
  .site-header{padding-left:12px;padding-right:12px}
}

@media(max-width:640px){
  .article-hero{padding-top:110px;padding-bottom:70px}
  .article-hero .container{padding-left:16px;padding-right:16px}
  .article-card{
    padding:30px 22px 28px;
    border-radius:18px;
    margin-top:calc(-40px);
  }
  .article-entry{
    font-size:16px;
    line-height:1.9;
  }
  .article-entry h2{font-size:22px}
  .article-entry h3{font-size:19px}
  .article-entry blockquote{margin:24px 0;padding:18px 20px}
  .article-meta{font-size:13px;gap:8px}
  .breadcrumb .current{max-width:170px}
  .related-grid{grid-template-columns:1fr}
  .related-section{padding-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-top:46px;padding-bottom:34px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .navbar{padding-left:14px;padding-right:4px}
  .logo{font-size:17px;gap:8px}
  .logo-dot{width:10px;height:10px}
  .btn{height:42px}
  .nav-actions .btn{
    height:36px;
    padding:0 12px;
    font-size:13px;
    gap:5px;
  }
  .inline-guide{
    padding:20px;
    align-items:flex-start;
  }
}

/* roulang page: category1 */
:root {
            --primary: #2F6FE4;
            --primary-hover: #2057C2;
            --primary-active: #174B9F;
            --primary-soft: #E7F0FD;
            --accent: #E0A52E;
            --accent-soft: #FBF1D8;
            --bg: #F5F8FE;
            --panel-alt: #EEF4FB;
            --white: #FFFFFF;
            --text-heading: #16283B;
            --text-body: #4A6178;
            --text-muted: #8499AD;
            --border: #DEE8F4;
            --radius-card: 14px;
            --radius-media: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(15, 34, 58, 0.05);
            --shadow-hover: 0 14px 30px rgba(15, 34, 58, 0.09);
            --space-section: 96px;
            --content-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 120px;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        body.nav-lock {
            overflow: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            color: var(--text-heading);
            margin: 0 0 14px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        p {
            margin: 0 0 18px;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 28px;
        }

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

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

        .section-white {
            background: var(--white);
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 46px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            background: var(--primary-soft);
            border: 1px solid rgba(47, 111, 228, 0.12);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 16px;
            font-size: 13px;
            font-weight: 600;
        }

        .section-kicker::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
        }

        .section-head h2 {
            font-size: 34px;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            margin: 0;
            color: var(--text-muted);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
            white-space: nowrap;
        }

        .btn:focus-visible,
        .nav-toggle:focus-visible,
        .faq-summary:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(47, 111, 228, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 22px rgba(47, 111, 228, 0.24);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(47, 111, 228, 0.28);
            color: #fff;
        }

        .btn-primary:active {
            background: var(--primary-active);
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(47, 111, 228, 0.22);
        }

        .btn-ghost {
            background: var(--white);
            border-color: var(--border);
            color: var(--text-heading);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

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

        .btn-light:hover {
            background: #F1F6FF;
            color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
        }

        .btn-light:active {
            transform: translateY(0);
            background: #E4EEFD;
        }

        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 100;
            pointer-events: none;
        }

        .navbar {
            pointer-events: auto;
            max-width: 1180px;
            margin: 0 auto;
            height: 64px;
            padding: 0 10px 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(222, 232, 244, 0.85);
            border-radius: var(--radius-pill);
            box-shadow: 0 8px 32px rgba(15, 34, 58, 0.07);
            transition: box-shadow .2s ease;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(47, 111, 228, 0.17);
            flex: 0 0 auto;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 8px;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-pill);
            transition: background .2s ease, color .2s ease;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background: rgba(231, 240, 253, 0.6);
        }

        .nav-menu a.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-actions {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-actions .btn {
            padding: 10px 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            cursor: pointer;
            color: var(--text-heading);
            transition: border-color .2s ease;
        }

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

        .nav-toggle-icon,
        .nav-toggle-icon::before,
        .nav-toggle-icon::after {
            content: "";
            display: block;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            transition: transform .2s ease, opacity .2s ease;
        }

        .nav-toggle-icon {
            position: relative;
        }

        .nav-toggle-icon::before {
            position: absolute;
            top: -6px;
            left: 0;
        }

        .nav-toggle-icon::after {
            position: absolute;
            top: 6px;
            left: 0;
        }

        .nav-open .nav-toggle-icon {
            background: transparent;
        }

        .nav-open .nav-toggle-icon::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-open .nav-toggle-icon::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .masthead {
            position: relative;
            background: var(--panel-alt);
            padding: 176px 0 84px;
            overflow: hidden;
        }

        .masthead::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 58%;
            background-image: url("/assets/images/backpic/back-1.png");
            background-position: center;
            background-size: cover;
            opacity: 0.34;
            z-index: 0;
        }

        .masthead-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .masthead-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }

        .masthead-inner h1 {
            font-size: 58px;
            line-height: 1.18;
            margin-bottom: 20px;
        }

        .masthead-inner p {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 30px;
            max-width: 640px;
        }

        .masthead-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .masthead-note {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 40px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .masthead-note span::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            opacity: .8;
        }

        .feature-card {
            display: grid;
            grid-template-columns: 1.02fr 1fr;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 22px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
        }

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

        .feature-body {
            padding: 44px 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-body h3 {
            font-size: 26px;
            margin-bottom: 14px;
        }

        .feature-body p {
            font-size: 15px;
            margin-bottom: 22px;
        }

        .feature-body .mini-list {
            margin: 6px 0 22px;
        }

        .mini-list li {
            position: relative;
            padding-left: 26px;
            margin-bottom: 10px;
            font-size: 15px;
            color: var(--text-body);
        }

        .mini-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 7px;
            width: 7px;
            height: 12px;
            border: solid var(--primary);
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }

        .feature-extra {
            margin-top: 48px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .extra-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .25s ease, transform .25s ease;
        }

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

        .extra-card .extra-media {
            height: 120px;
            background: var(--primary-soft);
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 18px;
        }

        .extra-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .extra-card h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .extra-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1.08fr;
            gap: 28px;
            align-items: stretch;
        }

        .compare-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 38px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .compare-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .compare-card.is-member {
            border-color: rgba(47, 111, 228, 0.34);
            border-top: 5px solid var(--primary);
            overflow: hidden;
        }

        .compare-card.is-member .card-badge {
            position: absolute;
            top: 18px;
            right: -44px;
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 46px;
            box-shadow: 0 4px 12px rgba(224, 165, 46, 0.16);
        }

        .compare-name {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text-heading);
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .compare-name::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        .compare-card h3 {
            font-size: 27px;
            margin: 8px 0 18px;
        }

        .cmp-list {
            margin: 22px 0 30px;
        }

        .cmp-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(222, 232, 244, 0.55);
            font-size: 14px;
        }

        .cmp-item:last-child {
            border-bottom: 0;
        }

        .cmp-state {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
        }

        .cmp-state.yes {
            color: var(--primary);
        }

        .cmp-state.no {
            color: var(--text-muted);
        }

        .cmp-state.yes::before {
            content: "";
            width: 6px;
            height: 11px;
            border: solid var(--primary);
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
            margin-top: -2px;
        }

        .cmp-state.no::before {
            content: "";
            width: 10px;
            height: 1.5px;
            background: var(--text-muted);
            border-radius: 2px;
        }

        .tier-wrap {
            display: grid;
            grid-template-columns: 1fr 1.14fr 1fr;
            gap: 24px;
            align-items: stretch;
            margin-top: 52px;
        }

        .tier-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 34px 30px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .tier-card.is-main {
            border-color: rgba(47, 111, 228, 0.42);
            padding: 44px 36px;
            background: linear-gradient(180deg, #fff 0%, #F6FAFF 100%);
            box-shadow: 0 18px 42px rgba(47, 111, 228, 0.12);
        }

        .tier-lable {
            display: inline-block;
            width: fit-content;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 13px;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
        }

        .tier-card.is-main .tier-lable {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 14px rgba(224, 165, 46, 0.25);
        }

        .tier-card h3 {
            font-size: 24px;
            margin-bottom: 8px;
        }

        .tier-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .tier-card ul {
            flex: 1;
            margin: 10px 0 26px;
        }

        .tier-card ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
            font-size: 14px;
            line-height: 1.7;
        }

        .tier-card ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .tier-card .btn {
            margin-top: auto;
        }

        .scenario-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
            max-width: 1040px;
            margin: 0 auto;
        }

        .scenario-row {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 17px;
            padding: 26px 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .scenario-row:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: var(--primary-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 19px;
            font-weight: 800;
            flex: 0 0 auto;
        }

        .scenario-row h4 {
            font-size: 17px;
            margin-bottom: 4px;
        }

        .scenario-row p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        .flow-steps {
            max-width: 1040px;
            margin: 54px auto 0;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            text-align: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 30px 22px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: box-shadow .22s ease, transform .22s ease;
        }

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

        .step-num {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 8px 18px rgba(47, 111, 228, 0.2);
        }

        .flow-step h4 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            padding: 0 26px;
            transition: border-color .2s ease, box-shadow .2s ease;
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(47, 111, 228, 0.32);
            box-shadow: 0 6px 18px rgba(15, 34, 58, 0.05);
        }

        .faq-summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            cursor: pointer;
            padding: 21px 0;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-heading);
            user-select: none;
        }

        .faq-summary::-webkit-details-marker {
            display: none;
        }

        .faq-summary::marker {
            display: none;
        }

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

        .faq-icon {
            width: 32px;
            height: 32px;
            flex: 0 0 auto;
            position: relative;
            border: 1px solid rgba(47, 111, 228, 0.2);
            border-radius: 50%;
            background: var(--primary-soft);
            transition: transform .25s ease, background .25s ease, border-color .25s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 13px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: translate(-50%, -50%);
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        details[open] .faq-icon {
            transform: rotate(135deg);
            background: var(--primary);
            border-color: var(--primary);
        }

        details[open] .faq-icon::before,
        details[open] .faq-icon::after {
            background: #fff;
        }

        .faq-answer {
            padding: 0 0 22px;
            color: var(--text-body);
            line-height: 1.8;
            animation: faqFade .28s ease;
        }

        .faq-answer p {
            margin-bottom: 10px;
        }

        .faq-answer p:last-child {
            margin: 0;
        }

        @keyframes faqFade {
            from {
                opacity: 0;
                transform: translateY(-5px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .cta-section {
            padding: 40px 0 104px;
            background: var(--white);
        }

        .cta-panel {
            background: var(--primary);
            border-radius: 26px;
            padding: 72px 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 60px;
            position: relative;
            overflow: hidden;
            color: rgba(255, 255, 255, 0.9);
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-panel .cta-text {
            position: relative;
            z-index: 1;
            max-width: 620px;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: 36px;
            margin-bottom: 16px;
        }

        .cta-panel p {
            font-size: 16px;
            margin: 0;
            color: rgba(255, 255, 255, 0.88);
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        .cta-actions .btn {
            min-width: 170px;
        }

        .site-footer {
            background: #ECF2F9;
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 50px;
        }

        .footer-brand .logo {
            font-size: 19px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            max-width: 320px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col h4 {
            font-size: 15px;
            margin-bottom: 10px;
            color: var(--text-heading);
        }

        .footer-col a {
            color: var(--text-body);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 3px;
        }

        .footer-contact p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 8px;
        }

        .footer-contact .muted {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid #D6E2EF;
            padding: 18px 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 1080px) {
            .feature-body {
                padding: 34px 34px;
            }
            .compare-card {
                padding: 28px 26px;
            }
            .cta-panel {
                padding: 54px 46px;
                flex-direction: column;
                align-items: flex-start;
                gap: 32px;
            }
            .cta-actions {
                width: 100%;
            }
        }

        @media (max-width: 992px) {
            :root {
                --space-section: 74px;
            }
            .navbar {
                max-width: calc(100% - 32px);
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 74px;
                left: 12px;
                right: 12px;
                background: #fff;
                border-radius: 22px;
                border: 1px solid var(--border);
                box-shadow: 0 20px 44px rgba(15, 34, 58, 0.12);
                padding: 14px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-menu a,
            .nav-menu a.active {
                justify-content: flex-start;
                padding: 14px 18px;
                font-size: 16px;
                border-radius: 14px;
                background: transparent;
            }
            .nav-menu a:hover,
            .nav-menu a.active {
                background: var(--primary-soft);
                color: var(--primary);
            }
            .nav-open .nav-menu {
                display: flex;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-actions .btn {
                display: none;
            }
            .feature-card {
                grid-template-columns: 1fr;
            }
            .feature-media img {
                max-height: 320px;
            }
            .feature-extra {
                gap: 18px;
            }
            .tier-wrap {
                grid-template-columns: 1fr 1fr;
            }
            .tier-card.is-main {
                grid-column: 1 / -1;
                order: -1;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .masthead {
                padding: 148px 0 60px;
            }
            .masthead::after {
                width: 100%;
                opacity: 0.18;
            }
            .masthead-inner h1 {
                font-size: 40px;
            }
            .masthead-inner p {
                font-size: 16px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .section-kicker {
                font-size: 12px;
            }
            .compare-grid,
            .scenario-wrap {
                grid-template-columns: 1fr;
            }
            .compare-card.is-member {
                order: -1;
            }
            .feature-body {
                padding: 28px 26px;
            }
            .feature-body h3 {
                font-size: 22px;
            }
            .feature-extra {
                grid-template-columns: 1fr;
            }
            .extra-card {
                padding: 22px;
            }
            .tier-wrap {
                grid-template-columns: 1fr;
            }
            .tier-card.is-main {
                grid-column: auto;
            }
            .cta-panel {
                padding: 44px 28px;
                border-radius: 20px;
            }
            .cta-panel h2 {
                font-size: 28px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
            .faq-wrap {
                padding: 0 2px;
            }
        }

        @media (max-width: 560px) {
            .container {
                padding: 0 18px;
            }
            .navbar {
                height: 58px;
                padding-left: 18px;
                padding-right: 8px;
            }
            .logo {
                font-size: 16px;
            }
            .logo-dot {
                width: 8px;
                height: 8px;
                box-shadow: 0 0 0 3px rgba(47, 111, 228, 0.14);
            }
            .masthead-inner h1 {
                font-size: 34px;
            }
            .masthead-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                padding: 11px 24px;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-col h4 {
                margin-bottom: 4px;
            }
            .section {
                --space-section: 58px;
            }
        }

/* roulang page: category2 */
:root {
  --bg: #F4F8FE;
  --surface: #FFFFFF;
  --primary: #2F6FE4;
  --primary-hover: #2057C2;
  --primary-active: #174798;
  --primary-soft: #E7F0FD;
  --text-head: #16283B;
  --text-body: #4A6178;
  --muted: #93A4B3;
  --border: #DDE7F2;
  --gold: #F6B83D;
  --gold-soft: #FFF5DF;
  --radius-pill: 999px;
  --radius-card: 14px;
  --radius-img: 16px;
  --shadow-card: 0 6px 18px rgba(15, 34, 58, 0.05);
  --shadow-hover: 0 12px 30px rgba(15, 34, 58, 0.08);
  --max-width: 1200px;
  --header-height: 88px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
}
body.stop-scroll {
  overflow: hidden;
}
a {
  text-decoration: none;
  color: var(--primary);
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-hover);
}
img {
  display: block;
  max-width: 100%;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
ul,
ol {
  list-style: none;
}
h1,
h2,
h3,
h4 {
  color: var(--text-head);
  line-height: 1.3;
}

.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  border: 1px solid transparent;
}
.btn:focus-visible {
  outline: 3px solid rgba(47, 111, 228, .28);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(47, 111, 228, 0.26);
}
.btn-primary:active {
  background: var(--primary-active);
  transform: translateY(0);
  box-shadow: none;
}
.btn-ghost {
  background: #fff;
  color: var(--primary);
  border-color: #C9DCF8;
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary-hover);
  background: var(--primary-soft);
  transform: translateY(-1px);
}
.btn-gold {
  background: var(--gold);
  color: #233A5C;
}
.btn-gold:hover {
  background: #E9A825;
  color: #16283B;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(246, 184, 61, .26);
}
.btn-block {
  width: 100%;
}

/* 悬浮胶囊导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  padding: 14px 20px 0;
}
.navbar {
  max-width: 1180px;
  margin-inline: auto;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 0 22px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(255, 255, 255, .7);
  box-shadow: 0 8px 28px rgba(15, 34, 58, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-head);
  letter-spacing: .02em;
  white-space: nowrap;
}
.logo:hover {
  color: var(--primary);
}
.logo-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 5px var(--primary-soft), 0 2px 6px rgba(47, 111, 228, .25);
  flex: 0 0 auto;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  color: var(--text-body);
  font-size: 15px;
  font-weight: 600;
  transition: background .2s ease, color .2s ease;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(231, 240, 253, .7);
}
.nav-link.active {
  background: var(--primary-soft);
  color: var(--primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-actions .btn {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
}
.nav-toggle:hover {
  background: var(--primary-soft);
}
.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-head);
  transition: transform .25s ease, opacity .25s ease;
  content: "";
  position: relative;
}
.nav-toggle-icon::before {
  position: absolute;
  top: -6px;
}
.nav-toggle-icon::after {
  position: absolute;
  top: 6px;
}
.nav-toggle.active .nav-toggle-icon {
  height: 0;
}
.nav-toggle.active .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle.active .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* 分类页顶部横幅 */
.category-main {
  padding-top: var(--header-height);
}
.category-hero {
  position: relative;
  padding: 84px 0 70px;
  overflow: hidden;
  background-color: #EFF5FF;
  background-image: radial-gradient(circle at 12% 20%, rgba(47, 111, 228, .10), transparent 36%), radial-gradient(circle at 88% 30%, rgba(246, 184, 61, .10), transparent 34%);
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center top;
  opacity: .35;
}
.category-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 920px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}
.category-hero h1 {
  font-size: clamp(42px, 6vw, 58px);
  font-weight: 800;
  margin: 20px 0 18px;
  letter-spacing: .01em;
}
.category-hero .hero-desc {
  font-size: 17px;
  line-height: 1.8;
  max-width: 760px;
  margin: 0 auto 34px;
  color: #3C5570;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* 锚点图文区 */
.playbook-section {
  padding: 84px 0 20px;
}
.anchor-layout {
  display: flex;
  gap: 36px;
  align-items: flex-start;
}
.anchor-sidebar {
  width: 268px;
  flex: 0 0 268px;
  position: sticky;
  top: 112px;
}
.anchor-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.anchor-kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--primary);
  text-transform: uppercase;
}
.anchor-box-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-head);
  margin: 8px 0 18px;
}
.anchor-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.anchor-link {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.anchor-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-left-color: var(--primary);
}
.anchor-link.active {
  background: var(--primary-soft);
  color: var(--primary);
  border-left-color: var(--primary);
}
.anchor-card-note {
  margin-top: 20px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 16px;
}
.anchor-card-note strong {
  color: var(--text-head);
  font-size: 15px;
}
.anchor-card-note p {
  font-size: 13px;
  margin: 6px 0 12px;
}
.anchor-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.guide-card {
  background: var(--surface);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(221, 231, 242, .7);
  padding: 34px;
  scroll-margin-top: 120px;
}
.guide-card:hover {
  box-shadow: var(--shadow-hover);
}
.guide-card-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 26px;
}
.guide-index {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  flex: 0 0 auto;
}
.guide-card-head h2 {
  font-size: 25px;
  font-weight: 800;
  margin-bottom: 6px;
}
.guide-card-head p {
  color: var(--text-body);
  font-size: 15px;
}
.split-media {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
}
.split-figure {
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--primary-soft);
  box-shadow: var(--shadow-card);
}
.split-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-body);
  font-size: 15px;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-soft);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  width: 5px;
  height: 9px;
  border: solid var(--primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.note-text {
  background: var(--bg);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  color: #3C5570;
}

/* 特色卡块 */
.mode-featured {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--bg);
  border-radius: var(--radius-img);
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid var(--border);
}
.mode-featured img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mode-featured-body {
  padding: 24px;
}
.mode-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}
.mode-featured-body h3 {
  font-size: 21px;
  color: var(--text-head);
  margin-bottom: 8px;
}
.mode-featured-body p {
  font-size: 15px;
  color: var(--text-body);
}
.mode-small-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.mode-small {
  display: flex;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.mode-small:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: #C7DAFA;
}
.mode-icon {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: #EEF5FF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.mode-small h4 {
  font-size: 16px;
  margin-bottom: 4px;
}
.mode-small p {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.6;
}

/* 会员 / 活动区块 */
.vip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.vip-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}
.vip-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.vip-item .mini-tag {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gold-soft);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.vip-item h4 {
  font-size: 16px;
  margin-bottom: 8px;
}
.vip-item p {
  font-size: 14px;
  color: var(--text-body);
}
.event-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 18px;
}
.event-item {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
}
.event-item:last-child {
  border-bottom: 0;
}
.event-step {
  width: 50px;
  height: 50px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  text-align: center;
}
.event-info h4 {
  font-size: 17px;
  margin-bottom: 4px;
}
.event-info p {
  font-size: 14px;
}

/* 新手开局步骤 */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.step-card {
  position: relative;
  background: var(--bg);
  border-radius: 16px;
  padding: 24px 16px 16px;
  border: 1px solid var(--border);
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.step-card .step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-card h4 {
  font-size: 16px;
}
.step-card .step-desc {
  font-size: 13px;
  margin-top: 8px;
  color: var(--text-body);
}

/* FAQ */
.faq-section {
  padding: 84px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-head .kicker {
  color: var(--primary);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .12em;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  margin: 6px 0 12px;
}
.section-head p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-body);
  font-size: 15px;
}
.faq-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}
.faq-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq-card:hover {
  border-color: #C8DAF5;
  box-shadow: var(--shadow-card);
}
.faq-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  padding: 18px 22px;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-head);
}
.faq-card summary::-webkit-details-marker {
  display: none;
}
.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 500;
  flex: 0 0 auto;
  transition: transform .25s ease, background .2s ease;
}
.faq-card[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 22px 20px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 0 20px 90px;
}
.cta-panel {
  max-width: 1080px;
  margin: 0 auto;
  background: var(--primary);
  border-radius: 24px;
  padding: 64px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  position: relative;
  overflow: hidden;
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.cta-text h2 {
  color: #fff;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-text p {
  color: rgba(255, 255, 255, .88);
  max-width: 620px;
  font-size: 16px;
}
.cta-section .btn {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* 页脚 */
.site-footer {
  background: #EDF3FA;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  max-width: 360px;
}
.footer-col h4 {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--text-head);
}
.footer-col > a {
  display: block;
  color: var(--text-body);
  font-size: 14px;
  padding: 6px 0;
  transition: color .2s ease, transform .2s ease;
}
.footer-col > a:hover {
  color: var(--primary);
  transform: translateX(3px);
}
.footer-contact p {
  font-size: 14px;
  margin-bottom: 8px;
}
.muted {
  color: var(--muted);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

/* 响应式 */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .mode-featured {
    grid-template-columns: 220px 1fr;
  }
}
@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px;
    box-shadow: var(--shadow-hover);
    gap: 4px;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    text-align: center;
  }
  .nav-actions .btn {
    padding: 0 12px;
    font-size: 13px;
  }
  .gameplay-mobile-anchor,
  .anchor-layout {
    display: block;
  }
  .anchor-sidebar {
    width: 100%;
    position: relative;
    top: auto;
    margin-bottom: 24px;
  }
  .anchor-list {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 6px;
  }
  .anchor-link {
    white-space: nowrap;
    border-left: 0;
  }
  .anchor-link.active {
    border-left: 0;
  }
  .anchor-card-note {
    display: none;
  }
  .split-media {
    grid-template-columns: 1fr;
  }
  .split-figure img {
    height: 220px;
  }
  .steps-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
  .vip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-panel {
    flex-direction: column;
    text-align: center;
    padding: 44px 26px;
  }
  .cta-text p {
    margin: 0 auto;
  }
}
@media (max-width: 640px) {
  :root {
    --header-height: 78px;
  }
  .container {
    width: min(100% - 28px, var(--max-width));
  }
  .navbar {
    height: 58px;
    padding: 0 8px 0 16px;
  }
  .logo {
    font-size: 16px;
  }
  .nav-actions .btn-primary {
    padding: 0 12px;
    font-size: 13px;
  }
  .category-hero {
    padding: 60px 0 48px;
  }
  .category-hero h1 {
    font-size: 38px;
  }
  .category-hero .hero-desc {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .playbook-section {
    padding: 48px 0 0;
  }
  .guide-card {
    padding: 22px;
  }
  .guide-card-head {
    flex-direction: column;
    gap: 10px;
  }
  .guide-card-head h2 {
    font-size: 23px;
  }
  .mode-featured {
    grid-template-columns: 1fr;
  }
  .mode-featured img {
    height: 200px;
  }
  .mode-small-list {
    grid-template-columns: 1fr;
  }
  .vip-grid {
    grid-template-columns: 1fr;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .event-item {
    gap: 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }
}