/* roulang page: index */
:root{
  --brand:#C8FF00;
  --accent:#FF3B7F;
  --ink:#141717;
  --surface:#F5F6F3;
  --card:#FFFFFF;
  --muted:#6D7370;
  --line:#E2E5E0;
  --night:#0B0D0C;
  --night-card:#131616;
  --radius:12px;
  --radius-sm:8px;
  --shadow:4px 4px 0 #141717;
  --shadow-lg:6px 6px 0 #141717;
  --shadow-night:4px 4px 0 rgba(255,255,255,.15);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",sans-serif;
}
*{box-sizing:border-box}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--surface);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block}
.btn:focus,.form-control:focus,.form-select:focus,.form-check-input:focus,.accordion-button:focus{
  outline:none;
  box-shadow:0 0 0 3px var(--brand);
  border-color:var(--ink);
}
.container{max-width:1320px}
.dropdown-toggle::after{border-top-color:var(--ink)}

/* ===== Header / Nav ===== */
.site-header{
  background:#fff;
  border-bottom:2px solid var(--ink);
  padding:0;
}
.site-header .header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:nowrap;
  padding:14px 12px;
  gap:16px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:900;
  line-height:1;
  color:var(--ink);
  white-space:nowrap;
}
.brand-logo .logo-box{
  width:40px;
  height:40px;
  background:var(--brand);
  border:2px solid var(--ink);
  border-radius:10px;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:900;
  color:var(--ink);
  flex-shrink:0;
  transition:transform .2s;
}
.brand-logo:hover{color:var(--ink)}
.brand-logo:hover .logo-box{transform:rotate(3deg)}
.logo-text{display:inline-block}
.navbar-toggler{
  border:2px solid var(--ink);
  border-radius:var(--radius-sm);
  color:var(--ink);
  padding:6px 10px;
  font-size:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.navbar-toggler:focus{box-shadow:none}
.navbar-nav.mx-auto{gap:2px}
.site-header .nav-link{
  font-weight:700;
  color:var(--ink);
  padding:10px 14px;
  position:relative;
  white-space:nowrap;
  font-size:15px;
}
.site-header .nav-link::after{
  content:"";
  position:absolute;
  bottom:-2px;
  left:12px;
  right:12px;
  height:4px;
  background:transparent;
  border-radius:999px;
}
.site-header .nav-link.active{color:var(--ink)}
.site-header .nav-link.active::after{background:var(--brand)}
.site-header .nav-link:hover{color:var(--accent)}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.header-search{
  display:flex;
  align-items:center;
  gap:8px;
  border:2px solid var(--ink);
  border-radius:999px;
  padding:6px 14px;
  background:#fff;
  transition:border-color .2s, box-shadow .2s;
}
.header-search i{color:var(--muted);font-size:14px}
.header-search input{
  border:none;
  background:transparent;
  outline:none;
  width:150px;
  font-size:14px;
  color:var(--ink);
}
.header-search input::placeholder{color:#9AA09C}
.header-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand);
}
.btn-header-link{
  font-weight:700;
  color:var(--ink);
  padding:6px 10px;
  border-radius:var(--radius-sm);
  white-space:nowrap;
}
.btn-header-link:hover{color:var(--accent)}
.btn-accent{
  background:var(--accent);
  color:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius-sm);
  font-weight:800;
  padding:9px 20px;
  box-shadow:var(--shadow);
  transition:all .2s;
  white-space:nowrap;
}
.btn-accent:hover{
  background:#fff;
  color:var(--accent);
  transform:translateY(-2px);
  box-shadow:none;
}
.btn-accent:active{
  transform:translateY(0);
  box-shadow:var(--shadow);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:2px solid #fff;
  border-radius:var(--radius-sm);
  font-weight:800;
  padding:12px 24px;
  transition:all .2s;
}
.btn-ghost:hover{
  background:#fff;
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:none;
}
.btn-ghost:active{transform:translateY(0)}
.btn-dark-outline{
  background:#fff;
  color:var(--ink);
  border:2px solid var(--ink);
  border-radius:var(--radius-sm);
  font-weight:800;
  padding:9px 20px;
  box-shadow:var(--shadow);
  transition:all .2s;
}
.btn-dark-outline:hover{
  background:var(--brand);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:none;
}
.btn-dark-outline:active{transform:translateY(0)}
.btn-plain{
  background:transparent;
  color:var(--ink);
  border:2px solid var(--ink);
  border-radius:var(--radius-sm);
  font-weight:800;
  padding:9px 20px;
  transition:all .2s;
}
.btn-plain:hover{
  background:var(--ink);
  color:#fff;
  transform:translateY(-2px);
}
.btn-plain:active{transform:translateY(0)}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:80vh;
  display:flex;
  align-items:center;
  background-color:var(--night);
  color:#fff;
  overflow:hidden;
  padding:64px 0 96px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.38;
}
.hero::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:8px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 100%);
  transform:skewY(-1deg);
  transform-origin:left;
  z-index:2;
}
.hero-content{position:relative;z-index:3}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--brand);
  color:var(--ink);
  border:2px solid var(--ink);
  border-radius:999px;
  padding:4px 14px;
  font-size:13px;
  font-weight:800;
  margin-bottom:20px;
}
.hero-title{
  font-size:56px;
  font-weight:900;
  line-height:1.15;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.hero-subtitle{
  font-size:18px;
  line-height:1.7;
  color:rgba(255,255,255,.85);
  max-width:520px;
  margin-bottom:28px;
}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px}
.hero-cover{
  width:340px;
  max-width:100%;
  border:2px solid #fff;
  border-radius:20px;
  box-shadow:8px 8px 0 var(--brand);
  transform:rotate(2deg);
  margin:0 auto;
}
.hero-meta-bar{
  position:absolute;
  bottom:28px;
  left:0;
  right:0;
  z-index:3;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  background:rgba(20,23,23,.72);
  border:2px solid rgba(255,255,255,.4);
  border-radius:999px;
  padding:10px 22px;
  font-size:14px;
  color:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
}
.hero-meta i{color:var(--brand);margin-right:6px}
.hero-meta .countdown{font-family:var(--font-num);font-weight:700;color:#fff}

/* ===== Announce Bar ===== */
.announce-bar{
  background:var(--night);
  border-bottom:2px solid var(--ink);
  color:#fff;
}
.announce-inner{
  display:flex;
  align-items:center;
  gap:14px;
  height:48px;
  overflow:hidden;
}
.announce-badge{
  flex-shrink:0;
  background:var(--accent);
  color:#fff;
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  padding:3px 12px;
  font-size:12px;
  font-weight:900;
  letter-spacing:.03em;
}
.announce-track{
  flex:1;
  overflow:hidden;
  white-space:nowrap;
}
.announce-track-inner{
  display:inline-block;
  white-space:nowrap;
  animation:ticker 36s linear infinite;
}
.announce-track-inner a{
  display:inline-block;
  color:rgba(255,255,255,.82);
  padding:0 34px;
  font-size:14px;
}
.announce-track-inner a:hover{color:var(--brand)}
@keyframes ticker{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* ===== Section base ===== */
.section{padding:80px 0}
.bg-white{background:#fff}
.section-head{margin-bottom:48px}
.section-head .section-kicker{
  display:inline-block;
  background:var(--brand);
  border:2px solid var(--ink);
  border-radius:999px;
  padding:2px 14px;
  font-size:12px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:12px;
}
.section-title{
  font-size:32px;
  font-weight:800;
  line-height:1.3;
  margin:0;
}
.section-lead{
  font-size:16px;
  color:var(--muted);
  margin-top:12px;
  max-width:640px;
}
.text-center .section-lead{margin-left:auto;margin-right:auto}
.link-more{
  font-weight:700;
  color:var(--ink);
  border-bottom:2px solid var(--brand);
  padding-bottom:2px;
  white-space:nowrap;
}
.link-more:hover{color:var(--accent);border-color:var(--accent)}

/* ===== Steps ===== */
.step-card{
  background:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:30px 24px 26px;
  height:100%;
  transition:transform .2s, box-shadow .2s;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.step-num{
  font-family:var(--font-num);
  font-size:42px;
  font-weight:900;
  color:var(--accent);
  line-height:1;
  margin-bottom:16px;
}
.step-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}

/* ===== Timeline ===== */
.timeline-section{
  background:var(--night);
  color:#fff;
}
.timeline-section .section-title{color:#fff}
.timeline-section .section-lead{color:rgba(255,255,255,.7)}
.timeline-wrap{
  position:relative;
  max-width:960px;
  margin:0 auto;
}
.timeline-wrap::before{
  content:"";
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:4px;
  background:#2A2E2D;
  transform:translateX(-50%);
  border-radius:999px;
}
.timeline-item{
  position:relative;
  margin-bottom:32px;
}
.timeline-marker{
  position:absolute;
  left:50%;
  top:28px;
  transform:translateX(-50%);
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--brand);
  border:3px solid #fff;
  box-shadow:0 0 0 4px rgba(200,255,0,.25);
  z-index:2;
}
.timeline-card{
  max-width:calc(50% - 42px);
  background:var(--night-card);
  border:2px solid rgba(255,255,255,.85);
  border-radius:var(--radius);
  box-shadow:var(--shadow-night);
  padding:18px 20px;
}
.timeline-card:hover{box-shadow:0 0 0 3px rgba(200,255,0,.35)}
.timeline-time{
  font-family:var(--font-num);
  font-weight:700;
  color:var(--brand);
  font-size:15px;
  letter-spacing:.02em;
  margin-bottom:6px;
}
.timeline-title{font-size:18px;font-weight:800;margin-bottom:4px}
.timeline-loc{font-size:14px;color:rgba(255,255,255,.65);margin:0}
.timeline-item:nth-child(odd) .timeline-card{margin-left:auto}
.timeline-item:nth-child(even) .timeline-card{margin-right:auto}

/* ===== Guests ===== */
.guest-card{
  position:relative;
  background:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
  height:100%;
  transition:transform .2s, box-shadow .2s;
}
.guest-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:transparent;
  border-radius:var(--radius) var(--radius) 0 0;
  transition:background .2s;
}
.guest-card:hover::before{background:var(--accent)}
.guest-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.guest-avatar{
  border:2px solid var(--ink);
  border-radius:20px;
  overflow:hidden;
  aspect-ratio:3 / 4;
  background:var(--line);
}
.guest-avatar img{width:100%;height:100%;object-fit:cover}
.guest-tag{
  position:absolute;
  top:32px;
  right:32px;
  background:var(--brand);
  border:2px solid var(--ink);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  border-radius:999px;
  padding:2px 12px;
}
.guest-name{font-size:18px;font-weight:800;margin-top:14px}
.guest-role{font-size:14px;color:var(--muted);margin:2px 0 8px}
.guest-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  margin:0;
}

/* ===== Tickets ===== */
.ticket-card{
  position:relative;
  background:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  padding:32px 26px 28px;
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .2s, box-shadow .2s;
}
.ticket-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.ticket-card.ticket-hot{
  border-width:3px;
  transform:translateY(-12px);
}
.ticket-card.ticket-hot:hover{transform:translateY(-14px)}
.ticket-ribbon{
  position:absolute;
  top:-15px;
  right:20px;
  background:var(--accent);
  color:#fff;
  border:2px solid var(--ink);
  border-radius:999px;
  padding:3px 16px;
  font-size:12px;
  font-weight:900;
  box-shadow:2px 2px 0 var(--ink);
}
.ticket-name{font-size:20px;font-weight:800;margin-bottom:6px}
.ticket-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.ticket-price{
  font-family:var(--font-num);
  font-size:48px;
  font-weight:900;
  line-height:1;
  margin-bottom:22px;
}
.ticket-price small{font-size:16px;font-weight:400;color:var(--muted)}
.ticket-features{
  list-style:none;
  padding:0;
  margin:0;
  flex:1;
}
.ticket-features li{
  padding:9px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:#333;
}
.ticket-features li:last-child{border-bottom:none}
.ticket-features .tick{color:#3DA55D;font-weight:900;margin-right:8px}
.ticket-features .cross{color:#B4B8B5;font-weight:900;margin-right:8px}
.ticket-btn{margin-top:24px;width:100%}

/* ===== FAQ ===== */
.faq-section .section-head{margin-bottom:32px}
.accordion-item{
  background:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius) !important;
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.accordion-button{
  background:#fff;
  font-weight:800;
  font-size:16px;
  color:var(--ink);
  padding:16px 20px;
  border:none;
}
.accordion-button::after{filter:none}
.accordion-button:not(.collapsed){
  background:rgba(200,255,0,.09);
  color:var(--ink);
  box-shadow:none;
}
.accordion-button:focus{
  box-shadow:inset 0 0 0 3px var(--brand);
  border:none;
}
.accordion-body{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  padding:8px 20px 20px;
  border-top:1px solid var(--line);
  background:rgba(200,255,0,.03);
}
.q-mark{
  color:var(--accent);
  font-weight:900;
  margin-right:6px;
}

/* ===== CTA Form ===== */
.cta-section{
  background:var(--night);
  color:#fff;
  position:relative;
}
.cta-section::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:8px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:skewY(-1deg);
  transform-origin:left;
}
.cta-section .section-title{color:#fff}
.cta-section .section-lead{color:rgba(255,255,255,.75)}
.cta-section .section-kicker{background:var(--brand);color:var(--ink)}
.signup-form .form-label{
  color:#fff;
  font-size:14px;
  font-weight:600;
  margin-bottom:6px;
}
.signup-form .form-control,
.signup-form .form-select{
  background:rgba(255,255,255,.08);
  border:2px solid rgba(255,255,255,.55);
  border-radius:var(--radius-sm);
  color:#fff;
  padding:10px 14px;
}
.signup-form .form-control::placeholder{color:rgba(255,255,255,.4)}
.signup-form .form-control:focus,
.signup-form .form-select:focus{
  background:rgba(255,255,255,.12);
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand);
  color:#fff;
}
.signup-form .form-select option{color:var(--ink);background:#fff}
.signup-form textarea{resize:vertical;min-height:90px}
.signup-side{
  background:rgba(255,255,255,.05);
  border:2px solid rgba(255,255,255,.35);
  border-radius:var(--radius);
  padding:30px;
}
.signup-side h3{font-size:18px;font-weight:800;margin-bottom:16px}
.signup-side ul{
  list-style:none;
  padding:0;
  margin:0;
}
.signup-side li{
  padding:8px 0;
  color:rgba(255,255,255,.82);
  font-size:14px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.signup-side li::before{
  content:"▪";
  color:var(--brand);
  font-size:16px;
  line-height:1;
  margin-top:2px;
}
.signup-side .partner-note{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.55);
  font-size:13px;
}

/* ===== News ===== */
.news-card{
  display:flex;
  background:#fff;
  border:2px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .2s, box-shadow .2s;
}
.news-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.news-thumb{
  width:220px;
  flex-shrink:0;
  overflow:hidden;
  border-right:2px solid var(--ink);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:18px 22px;flex:1}
.badge-cat{
  display:inline-block;
  background:var(--brand);
  border:1px solid var(--ink);
  border-radius:999px;
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  padding:2px 12px;
  margin-bottom:10px;
}
.news-title{
  font-size:18px;
  font-weight:800;
  line-height:1.4;
  margin-bottom:8px;
}
.news-title a:hover{color:var(--accent)}
.news-summary{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  margin:0 0 12px;
}
.news-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  flex-wrap:wrap;
  gap:8px;
}
.news-meta a{
  font-weight:800;
  color:var(--accent);
  border-bottom:2px solid transparent;
}
.news-meta a:hover{border-color:var(--accent)}
.news-list{display:flex;flex-direction:column;gap:20px}
.empty-state{
  border:2px dashed var(--ink);
  border-radius:var(--radius);
  background:#fff;
  padding:52px 24px;
  text-align:center;
  color:var(--muted);
}
.empty-state i{font-size:34px;color:var(--muted);margin-bottom:12px;display:block}
.empty-state p{margin:0;font-size:15px;font-weight:600}
.news-more{text-align:center;margin-top:36px}

/* ===== Footer ===== */
.site-footer{
  background:var(--night);
  color:#fff;
}
.footer-top{padding:60px 0 40px}
.footer-col-title{
  font-size:16px;
  font-weight:800;
  margin-bottom:18px;
  color:#fff;
}
.footer-brand .logo-box{
  width:36px;
  height:36px;
  background:var(--brand);
  border:2px solid #fff;
  border-radius:10px;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:900;
  color:var(--ink);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:900;
  color:#fff;
}
.footer-brand:hover{color:#fff}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.65);
  margin-top:14px;
  line-height:1.7;
}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li+li{margin-top:10px}
.footer-links a{
  color:rgba(255,255,255,.7);
  font-size:14px;
}
.footer-links a:hover{color:var(--brand)}
.footer-contact{list-style:none;padding:0;margin:0;font-size:14px;color:rgba(255,255,255,.7)}
.footer-contact li{padding:6px 0}
.footer-contact i{color:var(--brand);margin-right:8px;width:16px}
.footer-follow p{font-size:14px;color:rgba(255,255,255,.7);margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:16px 0;
  color:rgba(255,255,255,.55);
  font-size:12px;
}
.footer-bottom .container{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:6px;
}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:var(--brand)}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .site-header .nav-link{padding:10px 9px;font-size:14px}
  .header-search input{width:120px}
  .hero-title{font-size:44px}
}
@media (max-width:991px){
  .site-header{padding:10px 0}
  .site-header .header-inner{flex-wrap:wrap;padding:8px 12px}
  .site-header .navbar-collapse{
    background:#fff;
    border:2px solid var(--ink);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:18px;
    margin-top:14px;
    width:100%;
  }
  .site-header .header-actions{
    flex-wrap:wrap;
    width:100%;
    margin-top:14px;
  }
  .header-search{flex:1;min-width:160px}
  .header-search input{width:100%}
  .site-header .nav-link{padding:12px 8px;font-size:16px}
  .site-header .nav-link::after{display:none}
  .hero{min-height:auto;padding:72px 0 110px}
  .hero-title{font-size:38px}
  .hero-cover{width:280px}
  .hero-meta-bar{bottom:36px}
  .hero-meta{
    border-radius:16px;
    overflow-x:auto;
    flex-wrap:nowrap;
    padding:12px 16px;
  }
  .timeline-wrap::before{left:24px;transform:none}
  .timeline-marker{left:24px;transform:translateX(-50%)}
  .timeline-card{
    max-width:calc(100% - 60px);
    margin-left:60px !important;
  }
  .ticket-card.ticket-hot{transform:none}
  .ticket-card.ticket-hot:hover{transform:translateY(-4px)}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-title{font-size:24px}
  .section-head{margin-bottom:32px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .hero-buttons .btn{width:100%;text-align:center}
  .hero-cover{width:240px}
  .hero-meta{font-size:13px}
  .step-card{padding:24px 18px}
  .news-card{flex-direction:column}
  .news-thumb{
    width:100%;
    height:160px;
    border-right:none;
    border-bottom:2px solid var(--ink);
  }
  .news-body{padding:16px}
  .news-title{font-size:17px}
  .footer-top{padding:44px 0 28px}
  .signup-side{margin-top:24px}
}
@media (max-width:520px){
  .brand-logo .logo-text{font-size:16px}
  .header-actions .btn-header-link{display:none}
  .timeline-wrap::before{left:18px}
  .timeline-marker{left:18px;width:14px;height:14px}
  .timeline-card{max-width:calc(100% - 52px);margin-left:48px !important}
  .hero-meta-bar{bottom:28px}
  .ticket-card{padding:26px 18px}
}

/* roulang page: category1 */
:root {
      --brand: #C8FF00;
      --accent: #FF3B7F;
      --ink: #141717;
      --surface: #F5F6F3;
      --card: #FFFFFF;
      --muted: #6D7370;
      --line: #E2E5E0;
      --night: #0B0D0C;
      --night-card: #131616;
      --radius: 12px;
      --shadow: 4px 4px 0 var(--ink);
      --shadow-lg: 6px 6px 0 var(--ink);
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.7;
      color: var(--ink);
      background: var(--surface);
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.3; margin: 0 0 0.5em; }
    p { margin: 0 0 1em; }
    a { color: var(--ink); text-decoration: none; transition: color .2s; }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; }
    ul { padding: 0; margin: 0; list-style: none; }
    .container { max-width: 1320px; }
    .section { padding: 80px 0; }
    .section-title-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
    .section-title-bar { width: 8px; height: 32px; background: var(--brand); flex-shrink: 0; }
    .section-title { font-size: 32px; font-weight: 800; margin: 0; }
    .section-sub { color: var(--muted); margin: 6px 0 0 20px; font-size: 15px; }
    @media (max-width: 767px) {
      .section { padding: 48px 0; }
      .section-title { font-size: 24px; }
      .section-sub { margin-left: 0; }
    }

    /* ===== Header / Nav ===== */
    .site-header {
      background: var(--card);
      border-bottom: 2px solid var(--ink);
      position: sticky;
      top: 0;
      z-index: 1030;
      box-shadow: 0 2px 0 rgba(20,23,23,.06);
    }
    .header-inner { display: flex; align-items: center; min-height: 74px; padding: 0 20px; }
    .brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; padding: 6px 0; }
    .brand-logo:hover { text-decoration: none; }
    .logo-box {
      width: 40px; height: 40px; border-radius: 10px;
      background: var(--brand); border: 2px solid var(--ink);
      display: flex; align-items: center; justify-content: center;
      font-weight: 900; font-size: 16px; color: var(--ink);
      box-shadow: 3px 3px 0 var(--ink);
      transition: transform .2s;
    }
    .brand-logo:hover .logo-box { transform: rotate(-3deg); }
    .logo-text { font-size: 18px; font-weight: 900; letter-spacing: .5px; white-space: nowrap; }
    .navbar-toggler { border: 2px solid var(--ink); border-radius: 8px; padding: 6px 12px; box-shadow: 2px 2px 0 var(--ink); background: var(--card); }
    .navbar-toggler:focus { box-shadow: 0 0 0 3px var(--brand); outline: none; }
    .navbar-nav { gap: 4px; }
    .nav-item { position: relative; }
    .nav-link {
      font-weight: 600; font-size: 15px; padding: 8px 16px !important;
      color: var(--ink) !important; border-radius: 8px;
      border-bottom: 4px solid transparent;
      white-space: nowrap;
    }
    .nav-link:hover { color: var(--accent) !important; }
    .nav-link.active {
      color: var(--ink) !important;
      border-bottom-color: var(--brand);
      background: rgba(200,255,0,.08);
    }
    .header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .header-search {
      display: flex; align-items: center; gap: 6px;
      border: 2px solid var(--ink); border-radius: 999px;
      padding: 6px 16px; background: var(--card);
      transition: box-shadow .2s;
    }
    .header-search:focus-within { box-shadow: 0 0 0 3px var(--brand); }
    .header-search i { color: var(--muted); font-size: 14px; }
    .header-search input { border: none; outline: none; background: transparent; width: 120px; font-size: 14px; }
    .btn-header-link { font-weight: 600; font-size: 15px; padding: 8px 14px; border-radius: 8px; color: var(--ink); white-space: nowrap; }
    .btn-header-link:hover { color: var(--accent); text-decoration: none; }
    .btn-accent {
      background: var(--accent); color: #fff; font-weight: 700; font-size: 15px;
      border: 2px solid var(--ink); border-radius: 8px;
      padding: 8px 22px; box-shadow: 3px 3px 0 var(--ink);
      transition: all .2s; white-space: nowrap;
    }
    .btn-accent:hover { background: var(--card); color: var(--accent); box-shadow: none; transform: translateY(-2px); }
    .btn-accent:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--brand); }
    @media (max-width: 1199px) {
      .header-search input { width: 90px; }
    }
    @media (max-width: 991px) {
      .header-inner { padding: 12px 16px; flex-wrap: wrap; }
      .navbar-collapse { background: var(--card); border: 2px solid var(--ink); border-radius: 12px; margin-top: 12px; padding: 16px; box-shadow: var(--shadow); }
      .navbar-nav { width: 100%; gap: 0; margin-bottom: 12px !important; }
      .nav-link { border-bottom: 2px solid var(--line); border-radius: 0; padding: 12px 4px !important; }
      .nav-link.active { border-bottom-color: var(--brand); background: transparent; }
      .header-actions { width: 100%; flex-wrap: wrap; }
      .header-search { flex: 1; min-width: 200px; }
    }
    @media (max-width: 520px) {
      .logo-text { font-size: 16px; }
      .header-actions .btn-header-link { display: none; }
      .header-search { flex-basis: 100%; }
    }

    /* ===== Page Banner ===== */
    .page-banner {
      background: var(--brand);
      border-bottom: 2px solid var(--ink);
      padding: 64px 0 56px;
      position: relative;
      overflow: hidden;
    }
    .page-banner::after {
      content: '';
      position: absolute;
      right: -40px; top: -40px;
      width: 200px; height: 200px;
      background: var(--accent);
      transform: rotate(12deg) skewX(-8deg);
      opacity: .85;
      border: 2px solid var(--ink);
    }
    .page-banner .breadcrumb-custom {
      font-size: 14px; font-weight: 600; color: rgba(20,23,23,.65);
      margin-bottom: 12px; letter-spacing: .5px;
    }
    .page-banner .breadcrumb-custom a { color: rgba(20,23,23,.75); }
    .page-banner .breadcrumb-custom a:hover { color: var(--ink); }
    .page-banner h1 {
      font-size: 40px; font-weight: 900; margin: 0;
      position: relative; z-index: 2;
      display: inline-block;
      background: var(--ink);
      color: var(--brand);
      padding: 6px 18px;
      border-radius: 8px;
      box-shadow: 4px 4px 0 rgba(20,23,23,.3);
    }
    .page-banner .banner-tagline { font-size: 18px; font-weight: 600; color: var(--ink); margin-top: 16px; position: relative; z-index: 2; }
    @media (max-width: 767px) {
      .page-banner { padding: 44px 0 40px; }
      .page-banner h1 { font-size: 28px; }
      .page-banner .banner-tagline { font-size: 15px; }
    }

    /* ===== Category Intro ===== */
    .cat-intro { background: var(--surface); }
    .intro-card {
      background: var(--card);
      border: 2px solid var(--ink);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 32px;
      height: 100%;
      transition: transform .2s, box-shadow .2s;
    }
    .intro-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .intro-card .icon-box {
      width: 52px; height: 52px; border-radius: 12px;
      background: var(--brand); border: 2px solid var(--ink);
      display: flex; align-items: center; justify-content: center;
      font-size: 22px; color: var(--ink);
      margin-bottom: 18px;
      box-shadow: 3px 3px 0 var(--ink);
    }
    .intro-card h3 { font-size: 20px; font-weight: 800; }
    .intro-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
    .intro-card .step-num { font-family: var(--font-num); font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
    @media (max-width: 767px) {
      .intro-card { padding: 24px; }
    }

    /* ===== Timeline ===== */
    .timeline-section { background: var(--night); }
    .timeline-section .section-title { color: #fff; }
    .timeline-retro {
      position: relative;
      padding: 20px 0 40px;
    }
    .timeline-retro::before {
      content: '';
      position: absolute;
      left: 50%; top: 0; bottom: 0;
      width: 4px; background: #2A2E2D;
      transform: translateX(-50%);
    }
    .tl-item {
      position: relative;
      width: 50%;
      padding: 0 40px 40px 0;
      left: 0;
      text-align: right;
    }
    .tl-item:nth-child(even) {
      left: 50%;
      padding: 0 0 40px 40px;
      text-align: left;
    }
    .tl-dot {
      position: absolute;
      top: 24px; right: -10px;
      width: 16px; height: 16px;
      border-radius: 50%;
      background: var(--brand);
      border: 3px solid var(--night);
      box-shadow: 0 0 0 3px var(--brand);
      z-index: 2;
    }
    .tl-item:nth-child(even) .tl-dot { right: auto; left: -10px; }
    .tl-item.done .tl-dot { background: #555; box-shadow: 0 0 0 3px #555; }
    .tl-card {
      display: inline-block;
      background: var(--night-card);
      border: 2px solid rgba(255,255,255,.7);
      border-radius: 12px;
      box-shadow: 4px 4px 0 rgba(255,255,255,.12);
      padding: 20px 24px;
      max-width: 400px;
      text-align: left;
      position: relative;
    }
    .tl-item.done .tl-card { opacity: .45; }
    .tl-item.done .tl-card::after {
      content: '已结束';
      position: absolute;
      top: 12px; right: 12px;
      background: #555; color: #fff;
      font-size: 12px; font-weight: 700;
      border-radius: 999px; padding: 2px 10px;
    }
    .tl-time {
      font-family: var(--font-num);
      font-size: 14px; font-weight: 700;
      color: var(--brand);
      letter-spacing: .5px;
    }
    .tl-item.done .tl-time { color: #777; }
    .tl-name { font-size: 18px; font-weight: 800; color: #fff; margin: 6px 0 4px; }
    .tl-place { font-size: 13px; color: rgba(255,255,255,.55); }
    @media (max-width: 991px) {
      .timeline-retro::before { left: 24px; transform: none; }
      .tl-item, .tl-item:nth-child(even) { width: 100%; left: 0; padding: 0 0 32px 64px; text-align: left; }
      .tl-dot, .tl-item:nth-child(even) .tl-dot { left: 18px; right: auto; }
    }
    @media (max-width: 520px) {
      .tl-card { padding: 16px; }
      .tl-name { font-size: 16px; }
    }

    /* ===== Feature Cards ===== */
    .feature-cards { background: var(--card); }
    .feature-card {
      border: 2px solid var(--ink);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 28px 24px;
      height: 100%;
      background: var(--surface);
      transition: transform .2s, box-shadow .2s;
      position: relative;
    }
    .feature-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
      background: var(--accent);
      border-radius: 8px 8px 0 0;
      opacity: 0;
      transition: opacity .2s;
    }
    .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .feature-card:hover::before { opacity: 1; }
    .feature-card .fc-icon {
      width: 48px; height: 48px;
      border-radius: 10px;
      background: var(--brand);
      border: 2px solid var(--ink);
      display: flex; align-items: center; justify-content: center;
      font-size: 20px;
      margin-bottom: 16px;
    }
    .feature-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
    .feature-card p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }

    /* ===== Workflow Steps ===== */
    .workflow-section { background: var(--surface); }
    .step-card {
      text-align: center;
      padding: 32px 20px;
      border: 2px solid var(--ink);
      border-radius: var(--radius);
      background: var(--card);
      box-shadow: var(--shadow);
      height: 100%;
      position: relative;
    }
    .step-num-lg {
      font-family: var(--font-num);
      font-size: 48px; font-weight: 900;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 12px;
    }
    .step-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
    .step-card p { font-size: 14px; color: var(--muted); margin: 0; }
    .step-tag {
      display: inline-block;
      background: var(--brand);
      border: 1.5px solid var(--ink);
      border-radius: 999px;
      font-size: 12px; font-weight: 700;
      padding: 2px 12px;
      margin-top: 12px;
    }
    @media (max-width: 767px) {
      .step-card { padding: 24px 16px; }
    }

    /* ===== Perks ===== */
    .perks-section { background: var(--night); }
    .perks-section .section-title { color: #fff; }
    .perk-card {
      background: rgba(255,255,255,.04);
      border: 1.5px solid rgba(255,255,255,.25);
      border-radius: 12px;
      padding: 24px;
      height: 100%;
      transition: border-color .2s;
    }
    .perk-card:hover { border-color: var(--brand); }
    .perk-card i { font-size: 28px; color: var(--brand); margin-bottom: 14px; }
    .perk-card h4 { color: #fff; font-size: 17px; font-weight: 700; }
    .perk-card p { color: rgba(255,255,255,.6); font-size: 14px; margin: 0; }

    /* ===== FAQ ===== */
    .faq-section { background: var(--card); }
    .faq-list { max-width: 880px; margin: 0 auto; }
    .faq-item {
      border: 2px solid var(--ink);
      border-radius: 12px;
      background: var(--card);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: 3px 3px 0 rgba(20,23,23,.12);
    }
    .faq-q {
      padding: 18px 22px;
      font-weight: 700; font-size: 16px;
      cursor: pointer;
      display: flex; align-items: center; gap: 10px;
      user-select: none;
      background: var(--surface);
      transition: background .2s;
    }
    .faq-q:hover { background: var(--brand); }
    .faq-q .q-icon { color: var(--accent); font-weight: 900; font-size: 18px; flex-shrink: 0; }
    .faq-q::after {
      content: '+';
      margin-left: auto;
      font-size: 22px; font-weight: 700;
      color: var(--ink);
      transition: transform .25s;
    }
    .faq-item.open .faq-q::after { transform: rotate(45deg); }
    .faq-a {
      display: none;
      padding: 4px 22px 18px 46px;
      font-size: 14px; color: var(--muted);
      line-height: 1.8;
      background: var(--card);
    }
    .faq-item.open .faq-a { display: block; }
    .faq-item.open .faq-q { background: rgba(200,255,0,.35); }

    /* ===== CTA / QR ===== */
    .cta-section { background: var(--night); position: relative; }
    .cta-section .section-title { color: #fff; }
    .cta-box {
      background: var(--night-card);
      border: 2px solid var(--brand);
      border-radius: 16px;
      padding: 48px;
      box-shadow: 6px 6px 0 rgba(200,255,0,.15);
      text-align: center;
    }
    .cta-box .cta-title { font-size: 32px; font-weight: 900; color: #fff; margin-bottom: 12px; }
    .cta-box .cta-sub { font-size: 16px; color: rgba(255,255,255,.6); max-width: 560px; margin: 0 auto 32px; }
    .cta-btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
    .btn-main {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--accent); color: #fff;
      border: 2px solid var(--ink); border-radius: 10px;
      font-size: 16px; font-weight: 800;
      padding: 14px 36px;
      box-shadow: 4px 4px 0 rgba(255,255,255,.25);
      transition: all .2s;
      text-decoration: none;
    }
    .btn-main:hover { background: var(--card); color: var(--accent); transform: translateY(-3px); box-shadow: none; text-decoration: none; }
    .btn-main:focus-visible, .btn-ghost:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--brand); }
    .btn-ghost {
      display: inline-flex; align-items: center; gap: 8px;
      background: transparent; color: #fff;
      border: 2px solid #fff; border-radius: 10px;
      font-size: 16px; font-weight: 700;
      padding: 14px 32px;
      transition: all .2s;
      text-decoration: none;
    }
    .btn-ghost:hover { background: var(--brand); color: var(--ink); border-color: var(--brand); transform: translateY(-3px); }
    @media (max-width: 767px) {
      .cta-box { padding: 32px 20px; }
      .cta-box .cta-title { font-size: 24px; }
    }

    /* ===== Footer ===== */
    .site-footer { background: var(--night); color: rgba(255,255,255,.7); }
    .footer-top { padding: 64px 0 40px; }
    .footer-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 900; color: #fff; margin-bottom: 16px; }
    .footer-brand:hover { color: var(--brand); text-decoration: none; }
    .footer-brand .logo-box { width: 40px; height: 40px; }
    .footer-desc { font-size: 14px; color: rgba(255,255,255,.5); max-width: 240px; }
    .footer-col-title { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 18px; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: rgba(255,255,255,.6); font-size: 14px; }
    .footer-links a:hover { color: var(--brand); text-decoration: underline; }
    .footer-contact li { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
    .footer-contact i { color: var(--brand); width: 16px; }
    .footer-follow p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 6px; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.15);
      padding: 20px 0;
      font-size: 12px;
      color: rgba(255,255,255,.4);
      display: flex; justify-content: space-between; align-items: center;
      flex-wrap: wrap; gap: 8px;
    }
    @media (max-width: 767px) {
      .footer-top { padding: 40px 0 24px; }
    }

    /* ===== Ribbon ===== */
    .ribbon {
      position: absolute;
      top: -14px; left: 24px;
      background: var(--accent);
      color: #fff;
      font-size: 13px; font-weight: 800;
      padding: 4px 16px;
      border-radius: 999px;
      border: 2px solid var(--ink);
      box-shadow: 3px 3px 0 var(--ink);
      z-index: 3;
      transform: rotate(-3deg);
    }

    /* ===== Scrollbar & selection ===== */
    ::selection { background: var(--brand); color: var(--ink); }

    /* ===== Empty state ===== */
    .empty-state {
      text-align: center;
      padding: 48px 24px;
      border: 2px dashed var(--muted);
      border-radius: 16px;
      margin: 24px 0;
    }
    .empty-state i { font-size: 40px; color: var(--muted); display: block; margin-bottom: 12px; }
    .empty-state p { color: var(--muted); font-size: 15px; margin: 0; }

/* roulang page: article */
:root{
  --brand:#C8FF00;
  --accent:#FF3B7F;
  --ink:#141717;
  --surface:#F5F6F3;
  --card:#FFFFFF;
  --muted:#6D7370;
  --line:#E2E5E0;
  --night:#0B0D0C;
  --night-card:#131616;
  --shadow:4px 4px 0 var(--ink);
  --shadow-light:4px 4px 0 rgba(20,23,23,.12);
  --shadow-night:4px 4px 0 rgba(255,255,255,.15);
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:999px;
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift",sans-serif;
  --section-pad:80px;
}
*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
::selection{background:var(--brand);color:var(--ink)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-btn);
  border:2px solid var(--ink);
  background:var(--card);
  color:var(--ink);
  box-shadow:var(--shadow);
  transition:all .2s ease;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
}
.btn:hover{
  background:var(--ink);
  color:var(--brand);
  box-shadow:none;
  transform:translateY(-2px);
}
.btn:focus-visible{
  outline:3px solid var(--brand);
  outline-offset:2px;
  box-shadow:none;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  border-color:var(--ink);
}
.btn-accent:hover{
  background:#fff;
  color:var(--accent);
  border-color:var(--accent);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border-color:#fff;
  box-shadow:4px 4px 0 rgba(255,255,255,.35);
}
.btn-outline:hover{
  background:#fff;
  color:var(--ink);
  border-color:#fff;
}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:none;
}
.btn-ghost:hover{
  background:var(--ink);
  color:#fff;
}

/* ===== Header ===== */
.site-header{
  background:var(--night);
  border-bottom:2px solid var(--ink);
  position:sticky;
  top:0;
  z-index:1000;
  padding:0;
  min-height:76px;
}
.site-header .navbar-brand,.site-header .brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  margin:0;
}
.logo-box{
  width:40px;
  height:40px;
  border-radius:8px;
  background:var(--brand);
  color:var(--ink);
  font-weight:900;
  font-size:17px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  letter-spacing:-.5px;
  border:2px solid var(--ink);
  box-shadow:2px 2px 0 rgba(20,23,23,.4);
  transition:transform .25s ease;
}
.brand-logo:hover .logo-box{transform:rotate(3deg)}
.logo-text{
  font-size:18px;
  font-weight:900;
  color:#fff;
  letter-spacing:.5px;
}
.site-header .navbar-nav{
  gap:4px;
}
.site-header .nav-link{
  color:rgba(255,255,255,.7);
  font-size:15px;
  font-weight:600;
  padding:10px 16px;
  border-radius:8px;
  position:relative;
  transition:color .2s ease;
}
.site-header .nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:4px;
  background:var(--brand);
  border-radius:4px;
  opacity:0;
  transform:scaleX(.5);
  transition:all .25s ease;
}
.site-header .nav-link:hover{
  color:var(--accent);
}
.site-header .nav-link.active{
  color:var(--brand);
}
.site-header .nav-link.active::after{
  opacity:1;
  transform:scaleX(1);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.header-search{
  position:relative;
  display:flex;
  align-items:center;
}
.header-search i{
  position:absolute;
  left:12px;
  color:var(--muted);
  font-size:14px;
  pointer-events:none;
}
.header-search input{
  width:150px;
  padding:8px 14px 8px 36px;
  border-radius:var(--radius-btn);
  border:2px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:14px;
  transition:all .2s ease;
}
.header-search input::placeholder{color:rgba(255,255,255,.4)}
.header-search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,255,0,.25);
  width:190px;
}
.btn-header-link{
  color:#fff;
  font-size:14px;
  font-weight:600;
  padding:8px 6px;
  border-bottom:2px solid transparent;
}
.btn-header-link:hover{
  color:var(--brand);
  border-bottom-color:var(--brand);
}
.site-header .btn-accent{
  padding:10px 22px;
  font-size:14px;
}
.navbar-toggler{
  border:2px solid rgba(255,255,255,.3);
  border-radius:8px;
  padding:6px 10px;
  background:transparent;
  color:#fff;
  font-size:18px;
}
.navbar-toggler:focus{
  box-shadow:0 0 0 3px rgba(200,255,0,.25);
}

/* ===== Article Hero ===== */
.article-hero{
  background-color:var(--night);
  background-image:linear-gradient(rgba(11,13,12,.86),rgba(11,13,12,.94)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  position:relative;
  padding:64px 0 96px;
  border-bottom:2px solid var(--ink);
}
.article-hero::before{
  content:"";
  position:absolute;
  top:0;
  right:32px;
  width:120px;
  height:8px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  clip-path:polygon(0 0,100% 0,90% 100%,0 100%);
}
.breadcrumb-custom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:rgba(255,255,255,.55);
  margin-bottom:20px;
}
.breadcrumb-custom a{
  color:rgba(255,255,255,.75);
}
.breadcrumb-custom a:hover{
  color:var(--brand);
}
.breadcrumb-custom .sep{
  color:rgba(255,255,255,.35);
  font-size:12px;
}
.breadcrumb-custom .current{
  color:var(--brand);
  max-width:260px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-title{
  font-size:40px;
  font-weight:900;
  line-height:1.3;
  color:#fff;
  margin:0 0 20px;
  max-width:900px;
  letter-spacing:.5px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  color:rgba(255,255,255,.65);
  font-size:14px;
}
.article-meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.article-meta-item i{
  color:var(--brand);
  font-size:14px;
}
.article-meta-item .num{
  font-family:var(--font-num);
  font-weight:700;
}
.article-share{
  display:flex;
  gap:8px;
  margin-left:auto;
}
.share-btn{
  width:34px;
  height:34px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all .2s ease;
}
.share-btn:hover{
  background:var(--brand);
  color:var(--ink);
  border-color:var(--brand);
  transform:translateY(-2px);
}

/* ===== Article Body ===== */
.article-body-section{
  background:var(--surface);
  padding:0 0 var(--section-pad);
  position:relative;
}
.article-content-card{
  background:var(--card);
  border:2px solid var(--ink);
  border-radius:16px;
  box-shadow:6px 6px 0 rgba(20,23,23,.12);
  max-width:940px;
  margin:-40px auto 0;
  position:relative;
  z-index:5;
  padding:48px 56px;
}
.article-cover{
  border-radius:12px;
  overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:var(--shadow-light);
  margin-bottom:36px;
  background:var(--line);
}
.article-cover img{
  width:100%;
  height:auto;
  object-fit:cover;
  aspect-ratio:16/8;
}
.article-content{
  font-size:16px;
  line-height:1.8;
  color:#2a3030;
}
.article-content p{
  margin-bottom:18px;
}
.article-content h2{
  font-size:24px;
  font-weight:800;
  margin:36px 0 18px;
  padding-left:14px;
  border-left:6px solid var(--brand);
  line-height:1.4;
}
.article-content h3{
  font-size:19px;
  font-weight:700;
  margin:28px 0 14px;
}
.article-content img{
  max-width:100%;
  border-radius:12px;
  border:2px solid var(--ink);
  box-shadow:var(--shadow-light);
  margin:24px auto;
}
.article-content blockquote{
  border-left:4px solid var(--brand);
  background:rgba(200,255,0,.07);
  padding:18px 24px;
  margin:24px 0;
  border-radius:0 12px 12px 0;
  font-style:normal;
  color:#3a4040;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul{
  list-style:none;
  padding-left:4px;
  margin-bottom:20px;
}
.article-content ul li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:10px;
  width:10px;
  height:10px;
  background:var(--brand);
  border:2px solid var(--ink);
  border-radius:2px;
}
.article-content ol{
  padding-left:24px;
  margin-bottom:20px;
}
.article-content ol li{
  margin-bottom:10px;
  padding-left:6px;
}
.article-content a{
  color:var(--accent);
  font-weight:600;
  border-bottom:2px solid rgba(255,59,127,.3);
}
.article-content a:hover{
  color:var(--ink);
  border-bottom-color:var(--ink);
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
}
.article-content table th,
.article-content table td{
  border:2px solid var(--line);
  padding:12px 14px;
}
.article-content table th{
  background:rgba(200,255,0,.08);
  font-weight:700;
}

/* ===== Tags ===== */
.article-tags{
  margin-top:40px;
  padding-top:28px;
  border-top:2px dashed var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.article-tags .tag-label{
  font-size:13px;
  font-weight:700;
  color:var(--muted);
}
.article-tag{
  display:inline-block;
  padding:6px 16px;
  border-radius:var(--radius-badge);
  background:rgba(200,255,0,.12);
  border:1.5px solid var(--ink);
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  transition:all .2s ease;
}
.article-tag:hover{
  background:var(--brand);
  color:var(--ink);
  transform:translateY(-1px);
}

/* ===== Post Nav ===== */
.post-nav-section{
  padding:0 0 var(--section-pad);
  background:var(--surface);
}
.post-nav-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  max-width:940px;
  margin:0 auto;
}
.post-nav-card{
  background:var(--card);
  border:2px solid var(--ink);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-light);
  padding:24px 28px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:all .2s ease;
  min-height:110px;
}
.post-nav-card:hover{
  box-shadow:none;
  transform:translateY(-3px);
  border-color:var(--accent);
}
.post-nav-card.next{text-align:right;align-items:flex-end}
.post-nav-label{
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.post-nav-title{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  display:block;
  max-width:100%;
}

/* ===== Related ===== */
.related-section{
  background:var(--card);
  border-top:2px solid var(--ink);
  border-bottom:2px solid var(--ink);
  padding:var(--section-pad) 0;
}
.related-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:36px;
}
.section-title{
  font-size:30px;
  font-weight:800;
  color:var(--ink);
  margin:0;
  display:inline-flex;
  align-items:center;
  gap:12px;
}
.section-title::before{
  content:"";
  width:8px;
  height:28px;
  background:var(--brand);
  border-radius:4px;
  border:2px solid var(--ink);
}
.section-link{
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  border-bottom:2px solid var(--brand);
  padding-bottom:2px;
}
.section-link:hover{
  color:var(--accent);
  border-bottom-color:var(--accent);
}
.related-card{
  background:var(--surface);
  border:2px solid var(--ink);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-light);
  height:100%;
  transition:all .25s ease;
  display:block;
}
.related-card:hover{
  box-shadow:none;
  transform:translateY(-4px);
}
.related-card .thumb{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--line);
}
.related-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.related-card:hover .thumb img{
  transform:scale(1.04);
}
.related-card .badge-ribbon{
  position:absolute;
  top:12px;
  left:12px;
  background:var(--brand);
  color:var(--ink);
  border:2px solid var(--ink);
  border-radius:var(--radius-badge);
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  letter-spacing:.5px;
}
.related-card .card-body{
  padding:20px;
}
.related-card .card-title{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  color:var(--ink);
}
.related-card:hover .card-title{
  color:var(--accent);
}
.related-card .card-meta{
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}

/* ===== Article CTA ===== */
.article-cta{
  background:var(--night);
  position:relative;
  padding:56px 0;
  overflow:hidden;
}
.article-cta::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:180px;
  height:10px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  clip-path:polygon(0 0,100% 0,90% 100%,0 100%);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-text h2{
  font-size:28px;
  font-weight:900;
  color:#fff;
  margin-bottom:8px;
}
.cta-text p{
  color:rgba(255,255,255,.65);
  font-size:15px;
  margin:0;
}
.cta-actions{
  display:flex;
  gap:14px;
  align-items:center;
}

/* ===== Not Found ===== */
.article-not-found{
  text-align:center;
  padding:60px 0;
}
.not-found-box{
  display:inline-block;
  border:2px dashed var(--ink);
  border-radius:16px;
  padding:52px 72px;
  background:var(--surface);
}
.not-found-box i{
  font-size:42px;
  color:var(--accent);
  margin-bottom:16px;
}
.not-found-box p{
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:20px;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--night);
  border-top:2px solid var(--ink);
}
.footer-top{
  padding:60px 0 36px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:900;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand:hover .logo-box{
  transform:rotate(3deg);
}
.footer-desc{
  color:rgba(255,255,255,.5);
  font-size:14px;
  margin:0;
}
.footer-col-title{
  color:#fff;
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:color .2s ease;
}
.footer-links a:hover{
  color:var(--brand);
}
.footer-contact li{
  color:rgba(255,255,255,.6);
  font-size:14px;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.footer-contact i{
  color:var(--brand);
  width:18px;
  text-align:center;
}
.footer-follow p{
  color:rgba(255,255,255,.6);
  font-size:14px;
  margin-bottom:6px;
}
.footer-follow p:first-child{
  color:var(--brand);
  font-weight:700;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
}
.footer-bottom span{
  color:rgba(255,255,255,.4);
  font-size:12px;
}

/* ===== Responsive ===== */
@media (max-width:1200px){
  .header-search{
    display:none;
  }
}
@media (max-width:991.98px){
  .site-header{
    padding:12px 0;
  }
  .site-header .navbar-collapse{
    background:var(--night);
    border-radius:12px;
    padding:20px;
    margin-top:14px;
    border:2px solid rgba(255,255,255,.15);
  }
  .site-header .nav-link{
    padding:12px 16px;
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .site-header .nav-link::after{
    display:none;
  }
  .site-header .nav-link.active{
    background:rgba(200,255,0,.08);
    border-radius:8px;
  }
  .header-actions{
    margin-top:16px;
    flex-wrap:wrap;
  }
  .header-search{
    display:flex;
    width:100%;
  }
  .header-search input{
    width:100%;
  }
  .header-search input:focus{
    width:100%;
  }
  :root{
    --section-pad:58px;
  }
  .article-title{
    font-size:32px;
  }
  .article-content-card{
    padding:32px 28px;
  }
}
@media (max-width:767.98px){
  :root{
    --section-pad:48px;
  }
  .article-hero{
    padding:48px 0 88px;
  }
  .article-title{
    font-size:26px;
  }
  .article-meta{
    gap:12px;
    font-size:13px;
  }
  .article-share{
    margin-left:0;
    margin-top:8px;
  }
  .article-content-card{
    margin:-28px 8px 0;
    padding:24px 20px;
    border-radius:12px;
  }
  .post-nav-grid{
    grid-template-columns:1fr;
    margin:0 8px;
  }
  .cta-inner{
    flex-direction:column;
    text-align:center;
    justify-content:center;
  }
  .cta-actions{
    flex-direction:column;
    width:100%;
  }
  .cta-actions .btn{
    width:100%;
  }
  .related-header{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
  .footer-top{
    padding:44px 0 24px;
  }
}
@media (max-width:520px){
  .article-meta-item .hide-xs{
    display:none;
  }
  .related-card .card-body{
    padding:16px;
  }
}

/* roulang page: category2 */
:root {
  --brand: #C8FF00;
  --accent: #FF3B7F;
  --ink: #141717;
  --surface: #F5F6F3;
  --card: #FFFFFF;
  --muted: #6D7370;
  --line: #E2E5E0;
  --night: #0B0D0C;
  --night-card: #131616;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 4px 4px 0 #141717;
  --shadow-dark: 4px 4px 0 rgba(255,255,255,0.15);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
}

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

.container {
  max-width: 1320px;
}

.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-tag::before {
  content: "";
  width: 24px;
  height: 4px;
  background: var(--accent);
  border-radius: 999px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 640px;
}

/* ========== Header ========== */
.site-header {
  background: #fff;
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 2px 0 rgba(20, 23, 23, 0.06);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 72px;
  gap: 16px;
}

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

.logo-box {
  width: 40px;
  height: 40px;
  background: var(--brand);
  border: 2px solid var(--ink);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: -0.02em;
  transition: transform 0.2s ease;
}

.brand-logo:hover .logo-box {
  transform: rotate(3deg);
}

.logo-text {
  font-size: 18px;
  font-weight: 900;
  white-space: nowrap;
}

.navbar-nav {
  gap: 4px;
  margin: 0 auto;
}

.nav-link {
  font-weight: 600;
  color: var(--ink);
  padding: 8px 14px !important;
  border-radius: 6px;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link.active {
  color: var(--ink);
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -2px;
  height: 4px;
  background: var(--brand);
  border-radius: 2px;
}

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

.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 5px 14px;
  transition: box-shadow 0.2s ease;
}

.header-search:focus-within {
  box-shadow: 0 0 0 3px var(--brand);
}

.header-search i {
  font-size: 13px;
  color: var(--muted);
}

.header-search input {
  border: 0;
  background: transparent;
  outline: none;
  font-size: 14px;
  width: 110px;
}

.btn-header-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  white-space: nowrap;
}

.btn-header-link:hover {
  color: var(--accent);
}

.navbar-toggler {
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 6px 10px;
  background: #fff;
  box-shadow: none !important;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--brand) !important;
}

/* ========== Buttons ========== */
.btn-accent {
  background: var(--accent);
  color: #fff !important;
  border: 2px solid var(--ink);
  border-radius: var(--radius-btn);
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 700;
  font-size: 15px;
  padding: 9px 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-accent:hover {
  background: #fff;
  color: var(--accent) !important;
  box-shadow: none;
  transform: translateY(-2px);
}

.btn-accent:active {
  transform: translateY(0);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: var(--radius-btn);
  box-shadow: 3px 3px 0 var(--ink);
  font-weight: 700;
  font-size: 15px;
  padding: 8px 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-outline:hover {
  background: var(--ink);
  color: #fff;
  box-shadow: none;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-btn);
  box-shadow: 3px 3px 0 rgba(255, 255, 255, 0.2);
  font-weight: 700;
  font-size: 15px;
  padding: 8px 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-outline-light:hover {
  background: var(--brand);
  color: var(--ink);
  border-color: var(--brand);
  box-shadow: none;
  transform: translateY(-2px);
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

/* ========== Page Banner ========== */
.page-banner {
  background: var(--brand);
  color: var(--ink);
  padding: 64px 0 56px;
  position: relative;
  border-bottom: 3px solid var(--ink);
  overflow: hidden;
}

.page-banner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--ink) 40%, var(--brand) 100%);
}

.banner-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}

.banner-breadcrumb a {
  color: rgba(20, 23, 23, 0.7);
}

.banner-breadcrumb a:hover {
  color: var(--accent);
}

.banner-breadcrumb i {
  font-size: 11px;
  color: rgba(20, 23, 23, 0.5);
}

.banner-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.banner-content {
  flex: 1;
}

.banner-content h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
}

.banner-content p {
  font-size: 18px;
  line-height: 1.7;
  max-width: 620px;
  color: rgba(20, 23, 23, 0.85);
  margin-bottom: 28px;
}

.banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.banner-visual {
  flex-shrink: 0;
  width: 300px;
}

.banner-visual img {
  width: 100%;
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: 8px 8px 0 var(--ink);
  transform: rotate(2deg);
  display: block;
}

.banner-ribbon {
  position: absolute;
  top: 18px;
  right: -40px;
  width: 140px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--ink) 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(45deg);
  z-index: 2;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
}

/* ========== Features ========== */
.features {
  background: var(--surface);
}

.feature-card {
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 30px 24px;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 2px 2px 0 var(--ink);
}

.feature-icon {
  width: 54px;
  height: 54px;
  background: var(--brand);
  border: 2px solid var(--ink);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ========== Scenarios ========== */
.scenarios {
  background: #fff;
}

.scenario-row {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 48px;
}

.scenario-row:last-child {
  margin-bottom: 0;
}

.scenario-img {
  flex: 1;
  min-width: 0;
}

.scenario-img img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 6px 6px 0 var(--ink);
  display: block;
}

.scenario-content {
  flex: 1;
  min-width: 0;
}

.scenario-num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.scenario-content h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}

.scenario-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  background: rgba(200, 255, 0, 0.2);
  border: 1px solid rgba(20, 23, 23, 0.2);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

/* ========== Process ========== */
.process {
  background: var(--night);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.process .section-title {
  color: #fff;
}

.process .section-desc {
  color: rgba(255, 255, 255, 0.6);
}

.process-card {
  background: var(--night-card);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-dark);
  padding: 28px 24px;
  height: 100%;
  position: relative;
  transition: transform 0.2s ease;
}

.process-card:hover {
  transform: translateY(-4px);
}

.process-step-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 900;
  color: var(--brand);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.process-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.process-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-bottom: 0;
}

.process-arrow {
  position: absolute;
  top: 50%;
  right: -18px;
  transform: translateY(-50%);
  color: var(--brand);
  font-size: 20px;
  z-index: 2;
}

/* ========== Ticket ========== */
.tickets {
  background: var(--surface);
}

.ticket-card {
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: var(--radius-card);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 36px 28px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ticket-card:hover {
  transform: translateY(-4px);
  box-shadow: 3px 3px 0 var(--ink);
}

.ticket-card.recommended {
  border-width: 3px;
  transform: translateY(-12px);
}

.ticket-card.recommended:hover {
  transform: translateY(-16px);
}

.ticket-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 999px;
  border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  white-space: nowrap;
}

.ticket-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
}

.ticket-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 20px;
}

.ticket-price {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
}

.ticket-price-unit {
  font-size: 14px;
  color: var(--muted);
}

.ticket-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}

.ticket-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--ink);
  padding: 6px 0;
  line-height: 1.5;
}

.ticket-features i {
  margin-top: 3px;
  flex-shrink: 0;
}

.ticket-features .fa-check {
  color: #1B9C4B;
}

.ticket-features .fa-xmark {
  color: #C0C4C0;
}

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

.accordion-item {
  background: #fff;
  border: 2px solid var(--ink) !important;
  border-radius: 12px !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 3px 3px 0 rgba(20, 23, 23, 0.12);
}

.accordion-button {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  background: #fff;
  padding: 18px 24px;
  box-shadow: none !important;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23141717'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}

.accordion-button:not(.collapsed) {
  background: rgba(200, 255, 0, 0.09);
  color: var(--ink);
}

.accordion-button:focus {
  box-shadow: 0 0 0 3px var(--brand) !important;
  border-radius: 10px;
}

.accordion-body {
  padding: 4px 24px 20px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  border-top: 1px solid var(--line);
}

.faq-q-prefix {
  color: var(--accent);
  font-weight: 900;
  margin-right: 6px;
}

/* ========== CTA Section ========== */
.cta-section {
  background: var(--night);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.15;
}

.cta-inner {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 32px;
  max-width: 520px;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.form-control {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  color: #fff;
  padding: 10px 14px;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.4);
  color: #fff;
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-select {
  background-color: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  color: #fff;
  padding: 10px 14px;
  font-size: 14px;
}

.form-select option {
  color: var(--ink);
  background: #fff;
}

.form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.4);
}

.cta-note {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cta-note li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  padding: 8px 0;
  line-height: 1.6;
}

.cta-note li .note-icon {
  color: var(--brand);
  flex-shrink: 0;
  margin-top: 4px;
}

.cta-contact-box {
  margin-top: 28px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
}

.cta-contact-box p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

.cta-contact-box strong {
  color: #fff;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--night);
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  padding: 64px 0 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand:hover {
  color: var(--brand);
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
  max-width: 260px;
}

.footer-col-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
  color: var(--brand);
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--brand);
  width: 18px;
  text-align: center;
}

.footer-follow p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

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

/* ========== Responsive ========== */
@media (max-width: 1199.98px) {
  .logo-text {
    font-size: 16px;
  }

  .header-search input {
    width: 90px;
  }

  .banner-content h1 {
    font-size: 40px;
  }

  .banner-visual {
    width: 260px;
  }
}

@media (max-width: 991.98px) {
  .header-inner {
    min-height: 64px;
    flex-wrap: wrap;
  }

  .navbar-collapse {
    background: #fff;
    border-top: 2px solid var(--ink);
    margin-top: 8px;
    padding: 16px 0;
    border-radius: 0 0 12px 12px;
  }

  .navbar-nav {
    gap: 0;
    margin-bottom: 12px;
  }

  .nav-link {
    padding: 10px 16px !important;
  }

  .nav-link.active::after {
    left: 16px;
    right: auto;
    width: 24px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    padding: 4px 16px 0;
    flex-wrap: wrap;
  }

  .banner-inner {
    flex-direction: column;
    gap: 32px;
  }

  .banner-content h1 {
    font-size: 36px;
  }

  .banner-visual {
    width: 240px;
  }

  .scenario-row {
    flex-direction: column;
    gap: 20px;
  }

  .scenario-row:nth-child(even) {
    flex-direction: column;
  }

  .process-arrow {
    display: none;
  }

  .section {
    padding: 60px 0;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .section-desc {
    font-size: 15px;
  }

  .banner-content h1 {
    font-size: 30px;
  }

  .banner-content p {
    font-size: 16px;
  }

  .banner-visual {
    width: 200px;
  }

  .banner-actions .btn-accent,
  .banner-actions .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .feature-card {
    padding: 22px 18px;
  }

  .scenario-img img {
    height: 200px;
  }

  .process-card {
    padding: 22px 18px;
  }

  .ticket-card.recommended {
    transform: translateY(0);
  }

  .ticket-card.recommended:hover {
    transform: translateY(-4px);
  }

  .cta-title {
    font-size: 24px;
  }

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

@media (max-width: 520px) {
  .header-actions .header-search {
    width: 100%;
    margin-bottom: 8px;
  }

  .header-search input {
    flex: 1;
    width: auto;
  }

  .banner-visual {
    width: 180px;
  }

  .banner-ribbon {
    display: none;
  }

  .scenario-content h3 {
    font-size: 20px;
  }

  .scenario-tags .tag {
    font-size: 12px;
    padding: 2px 10px;
  }

  .faq .accordion-button {
    font-size: 15px;
    padding: 14px 16px;
  }

  .faq .accordion-body {
    padding: 4px 16px 16px;
    font-size: 13px;
  }
}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
  :root {
    --brand: #C8FF00;
    --accent: #FF3B7F;
    --ink: #141717;
    --surface: #F5F6F3;
    --card: #FFFFFF;
    --muted: #6D7370;
    --line: #E2E5E0;
    --night: #0B0D0C;
    --night-card: #131616;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 4px 4px 0 #141717;
    --shadow-dark: 4px 4px 0 rgba(255,255,255,0.18);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
    --header-h: 72px;
  }

  /* ========== Reset / Base ========== */
  *,
  *::before,
  *::after { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-sans);
    background: var(--surface);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; height: auto; display: block; }
  a { color: var(--ink); text-decoration: none; transition: color .2s ease; }
  a:hover { color: var(--accent); }
  .container { max-width: 1320px; }

  /* ========== 按钮系统 ========== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    padding: 13px 26px;
    border: 2px solid var(--ink);
    box-shadow: 4px 4px 0 var(--ink);
    transition: all .2s ease;
    cursor: pointer;
    letter-spacing: .02em;
  }

  .btn:hover { transform: translateY(-2px); box-shadow: 0 0 0 var(--ink); }
  .btn:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; box-shadow: none; }
  .btn:active { transform: translateY(0); box-shadow: 4px 4px 0 var(--ink); }

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

  .btn-brand {
    background: var(--brand);
    color: var(--ink);
  }
  .btn-brand:hover { background: var(--ink); color: var(--brand); }

  .btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.8);
    box-shadow: 4px 4px 0 rgba(255,255,255,.3);
  }
  .btn-outline-light:hover { background: #fff; color: var(--ink); box-shadow: 0 0 0 rgba(255,255,255,0); }

  .btn-outline-dark {
    background: transparent;
    color: var(--ink);
    border-color: var(--ink);
    box-shadow: 4px 4px 0 var(--ink);
  }
  .btn-outline-dark:hover { background: var(--ink); color: #fff; }

  /* ========== Header / 导航 ========== */
  .site-header {
    background: #fff;
    border-bottom: 2px solid var(--ink);
    position: sticky;
    top: 0;
    z-index: 1050;
    box-shadow: 0 2px 0 rgba(20,23,23,.06);
  }

  .header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
    flex-shrink: 0;
  }
  .brand-logo:hover { color: var(--ink); }

  .logo-box {
    width: 40px;
    height: 40px;
    background: var(--brand);
    border: 2px solid var(--ink);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 16px;
    letter-spacing: -.02em;
    box-shadow: 2px 2px 0 var(--ink);
    transition: transform .2s ease;
  }
  .brand-logo:hover .logo-box { transform: rotate(3deg) scale(1.04); }

  .logo-text {
    font-size: 18px;
    font-weight: 900;
    letter-spacing: .01em;
    white-space: nowrap;
  }

  .navbar-toggler {
    border: 2px solid var(--ink);
    border-radius: var(--radius-sm);
    color: var(--ink);
    width: 44px;
    height: 44px;
    font-size: 18px;
    box-shadow: 2px 2px 0 var(--ink);
  }
  .navbar-toggler:hover { background: var(--brand); }
  .navbar-toggler:focus { box-shadow: none; outline: 3px solid var(--brand); }

  .navbar-nav {
    gap: 2px;
  }

  .navbar-nav .nav-link {
    font-weight: 600;
    color: var(--ink);
    padding: 10px 16px;
    border-radius: 8px;
    position: relative;
    white-space: nowrap;
  }
  .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 4px;
    background: transparent;
    border-radius: 4px 4px 0 0;
    transition: background .2s ease;
  }
  .navbar-nav .nav-link:hover { color: var(--accent); }
  .navbar-nav .nav-link.active { font-weight: 800; }
  .navbar-nav .nav-link.active::after { background: var(--brand); }

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

  .header-search {
    display: flex;
    align-items: center;
    background: var(--surface);
    border: 2px solid var(--ink);
    border-radius: 8px;
    padding: 6px 12px;
    gap: 8px;
    transition: box-shadow .2s ease;
  }
  .header-search:focus-within {
    box-shadow: 0 0 0 3px rgba(200,255,0,.55);
  }
  .header-search i { color: var(--muted); font-size: 14px; }
  .header-search input {
    border: none;
    background: transparent;
    font-size: 14px;
    width: 96px;
    color: var(--ink);
  }
  .header-search input:focus { outline: none; }
  .header-search input::placeholder { color: var(--muted); }

  .btn-header-link {
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
    padding: 8px 4px;
    border-bottom: 2px solid transparent;
  }
  .btn-header-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

  /* ========== 横幅 Banner ========== */
  .category-banner {
    position: relative;
    background: var(--brand);
    color: var(--ink);
    padding: 76px 0 64px;
    border-bottom: 2px solid var(--ink);
    overflow: hidden;
  }

  .category-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(200,255,0,.82) 0%, rgba(200,255,0,.72) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    opacity: .55;
    pointer-events: none;
  }

  .category-banner::after {
    content: '';
    position: absolute;
    top: -40px;
    right: -60px;
    width: 260px;
    height: 260px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--brand) 100%);
    border: 2px solid var(--ink);
    transform: rotate(12deg) skewX(8deg);
    box-shadow: 8px 8px 0 rgba(20,23,23,.25);
    pointer-events: none;
    opacity: .8;
  }

  .banner-inner {
    position: relative;
    z-index: 1;
  }

  .breadcrumb-custom {
    display: flex;
    flex-wrap: wrap;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: rgba(20,23,23,.72);
  }
  .breadcrumb-custom a { color: rgba(20,23,23,.72); }
  .breadcrumb-custom a:hover { color: var(--accent); }
  .breadcrumb-custom .sep { margin: 0 8px; }

  .category-banner h1 {
    font-size: 46px;
    font-weight: 900;
    line-height: 1.15;
    margin: 0 0 10px;
    letter-spacing: .02em;
  }

  .category-banner .banner-sub {
    font-size: 18px;
    font-weight: 500;
    color: rgba(20,23,23,.82);
    max-width: 480px;
  }

  /* ========== 区块通用 ========== */
  .section {
    padding: 80px 0;
  }

  .section-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 42px;
  }
  .section-head::before {
    content: '';
    width: 8px;
    height: 34px;
    background: var(--brand);
    border-radius: 4px;
    box-shadow: 2px 2px 0 var(--ink);
  }
  .section-head h2 {
    font-size: 32px;
    font-weight: 800;
    margin: 0;
    line-height: 1.3;
  }
  .section-head .head-desc {
    font-size: 15px;
    color: var(--muted);
    margin: 0 0 0 auto;
    max-width: 360px;
    text-align: right;
  }

  .section-bg-white { background: #fff; }
  .section-bg-surface { background: var(--surface); }
  .section-bg-night { background: var(--night); color: #fff; }

  /* ========== 引言 Intro ========== */
  .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .intro-copy .overline {
    display: inline-block;
    background: var(--brand);
    border: 2px solid var(--ink);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .05em;
    box-shadow: 2px 2px 0 var(--ink);
    margin-bottom: 18px;
  }

  .intro-copy h2 {
    font-size: 34px;
    font-weight: 900;
    line-height: 1.25;
    margin: 0 0 18px;
  }

  .intro-copy p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
  }

  .intro-copy .btn { margin-top: 8px; }

  .intro-visual {
    position: relative;
  }
  .intro-visual img {
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: 8px 8px 0 var(--ink);
    transform: rotate(1.5deg);
    transition: transform .25s ease, box-shadow .25s ease;
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
  }
  .intro-visual:hover img {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: 10px 10px 0 var(--brand);
  }

  /* ========== 数据条 Stats ========== */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .stat-item {
    background: var(--night-card);
    border: 2px solid rgba(255,255,255,.18);
    border-radius: var(--radius);
    box-shadow: var(--shadow-dark);
    padding: 30px 24px;
    text-align: center;
    transition: transform .2s ease, border-color .2s ease;
  }
  .stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--brand);
  }

  .stat-number {
    font-family: var(--font-num);
    font-size: 46px;
    font-weight: 800;
    color: var(--brand);
    line-height: 1.1;
    letter-spacing: .01em;
  }
  .stat-label {
    font-size: 14px;
    color: rgba(255,255,255,.72);
    margin-top: 8px;
  }

  /* ========== 玩法卡片 Tools ========== */
  .tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .tool-card {
    background: var(--card);
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 26px;
    transition: transform .2s ease, box-shadow .2s ease;
    position: relative;
    overflow: hidden;
  }
  .tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
  }
  .tool-card:hover::before { transform: scaleX(1); }
  .tool-card:hover { transform: translateY(-6px); box-shadow: 8px 8px 0 var(--ink); }

  .tool-icon {
    width: 56px;
    height: 56px;
    border: 2px solid var(--ink);
    border-radius: 14px;
    background: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--ink);
    box-shadow: 3px 3px 0 var(--ink);
    margin-bottom: 20px;
  }

  .tool-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 10px;
  }

  .tool-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin: 0;
  }

  .tool-card .tag {
    display: inline-block;
    background: rgba(200,255,0,.35);
    border: 1px solid var(--ink);
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 12px;
    font-weight: 700;
    margin-top: 14px;
  }

  /* ========== 适用场景 Scenes ========== */
  .scenes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .scene-item {
    background: var(--card);
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    padding: 26px 22px;
    box-shadow: 3px 3px 0 var(--ink);
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .scene-item:hover {
    transform: translateY(-4px);
    box-shadow: 6px 6px 0 var(--ink);
  }

  .scene-num {
    font-family: var(--font-num);
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: .08em;
    margin-bottom: 12px;
  }

  .scene-item h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
  }

  .scene-item p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin: 0;
  }

  /* ========== 参与流程 Steps ========== */
  .steps-wrap {
    position: relative;
    margin-top: 20px;
  }

  .steps-wrap::before {
    content: '';
    position: absolute;
    left: 23px;
    top: 12px;
    bottom: 12px;
    width: 4px;
    background: var(--line);
    border-radius: 4px;
  }

  .step-item {
    position: relative;
    padding-left: 68px;
    margin-bottom: 36px;
  }

  .step-item:last-child { margin-bottom: 0; }

  .step-dot {
    position: absolute;
    left: 0;
    top: 0;
    width: 48px;
    height: 48px;
    background: var(--brand);
    border: 2px solid var(--ink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-num);
    font-weight: 800;
    font-size: 17px;
    box-shadow: 2px 2px 0 var(--ink);
  }

  .step-item h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 6px;
  }

  .step-item p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 560px;
    margin: 0;
  }

  /* ========== 攻略卡片 Guides ========== */
  .guides-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .guide-card {
    background: #fff;
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
  }
  .guide-card:hover {
    transform: translateY(-6px);
    box-shadow: 8px 8px 0 var(--ink);
  }

  .guide-media {
    overflow: hidden;
    border-bottom: 2px solid var(--ink);
    aspect-ratio: 16/10;
  }
  .guide-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
  }
  .guide-card:hover .guide-media img { transform: scale(1.04); }

  .guide-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
  }

  .guide-tag {
    align-self: flex-start;
    background: rgba(200,255,0,.45);
    border: 1.5px solid var(--ink);
    border-radius: 999px;
    padding: 2px 12px;
    font-size: 12px;
    font-weight: 800;
  }

  .guide-body h3 {
    font-size: 18px;
    font-weight: 800;
    margin: 0;
    line-height: 1.4;
  }

  .guide-body p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin: 0;
  }

  .guide-link {
    margin-top: auto;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  /* ========== FAQ ========== */
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-wrap .accordion-item {
    border: 2px solid var(--ink);
    border-radius: var(--radius);
    box-shadow: 3px 3px 0 var(--ink);
    overflow: hidden;
    margin-bottom: 16px;
    background: #fff;
  }
  .faq-wrap .accordion-item:last-child { margin-bottom: 0; }

  .faq-wrap .accordion-button {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    background: #fff;
    padding: 18px 22px;
    border: none;
    box-shadow: none;
    position: relative;
  }
  .faq-wrap .accordion-button::before {
    content: 'Q.';
    font-weight: 900;
    color: var(--accent);
    margin-right: 10px;
    font-size: 15px;
  }
  .faq-wrap .accordion-button:not(.collapsed) {
    background: rgba(200,255,0,.12);
    color: var(--ink);
    box-shadow: none;
  }
  .faq-wrap .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(200,255,0,.45);
    outline: none;
  }
  .faq-wrap .accordion-button::after {
    background-size: 1.2rem;
  }

  .faq-wrap .accordion-body {
    padding: 6px 22px 20px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.8;
    border-top: 1px solid var(--line);
  }
  .faq-wrap .accordion-body strong { color: var(--ink); }

  /* ========== CTA 报名区 ========== */
  .cta-section {
    background: var(--night);
    color: #fff;
    padding: 90px 0;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    right: -120px;
    top: -120px;
    background: linear-gradient(135deg, var(--accent), var(--brand));
    border: 2px solid rgba(255,255,255,.25);
    border-radius: 32px;
    transform: rotate(18deg);
    box-shadow: 12px 12px 0 rgba(0,0,0,.3);
    pointer-events: none;
  }

  .cta-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .cta-copy .overline {
    display: inline-block;
    background: var(--brand);
    color: var(--ink);
    border: 2px solid var(--ink);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .05em;
    margin-bottom: 18px;
    box-shadow: 2px 2px 0 rgba(0,0,0,.3);
  }
  .cta-copy h2 {
    font-size: 34px;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 14px;
  }
  .cta-copy p {
    color: rgba(255,255,255,.72);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 26px;
  }
  .cta-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .signup-form {
    background: rgba(255,255,255,.05);
    border: 2px solid rgba(255,255,255,.22);
    border-radius: var(--radius);
    padding: 34px 30px;
    box-shadow: var(--shadow-dark);
  }
  .signup-form .form-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,.9);
  }
  .signup-form .form-control,
  .signup-form .form-select {
    background: rgba(255,255,255,.07);
    border: 2px solid rgba(255,255,255,.45);
    border-radius: var(--radius-sm);
    color: #fff;
    padding: 12px 14px;
    font-size: 14px;
  }
  .signup-form .form-control:focus,
  .signup-form .form-select:focus {
    background: rgba(255,255,255,.1);
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(200,255,0,.25);
    color: #fff;
  }
  .signup-form .form-control::placeholder { color: rgba(255,255,255,.45); }
  .signup-form .form-select {
    appearance: none;
  }
  .signup-form .form-select option {
    background: var(--night-card);
    color: #fff;
  }
  .signup-form .btn { width: 100%; margin-top: 8px; }

  /* ========== Footer ========== */
  .site-footer {
    background: var(--night);
    color: #fff;
    border-top: 4px solid var(--brand);
  }

  .footer-top {
    padding: 56px 0 32px;
  }

  .footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 14px;
  }
  .footer-brand:hover { color: var(--brand); }

  .footer-desc {
    color: rgba(255,255,255,.6);
    font-size: 14px;
    line-height: 1.7;
    max-width: 260px;
  }

  .footer-col-title {
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
  }
  .footer-col-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--brand);
    border-radius: 3px;
  }

  .footer-links,
  .footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-links li,
  .footer-contact li {
    margin-bottom: 10px;
  }
  .footer-links a {
    color: rgba(255,255,255,.7);
    font-size: 14px;
    transition: color .2s ease, padding-left .2s ease;
  }
  .footer-links a:hover {
    color: var(--brand);
    padding-left: 4px;
  }
  .footer-contact li {
    color: rgba(255,255,255,.7);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .footer-contact i {
    color: var(--brand);
    width: 16px;
    text-align: center;
  }

  .footer-follow p {
    color: rgba(255,255,255,.7);
    font-size: 14px;
    margin-bottom: 6px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.14);
    padding: 18px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: rgba(255,255,255,.45);
  }

  /* ========== 响应式 ========== */
  @media (max-width: 1199.98px) {
    .header-search input { width: 72px; }
    .navbar-nav .nav-link { padding: 10px 12px; }
  }

  @media (max-width: 991.98px) {
    .navbar-collapse {
      background: #fff;
      border: 2px solid var(--ink);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 16px;
      margin-top: 12px;
    }
    .navbar-nav { gap: 4px; }
    .navbar-nav .nav-link { padding: 12px 14px; }
    .navbar-nav .nav-link::after { display: none; }
    .navbar-nav .nav-link.active { background: var(--brand); color: var(--ink); font-weight: 800; }
    .header-actions { width: 100%; flex-wrap: wrap; margin-top: 10px; gap: 10px; }
    .header-search { flex: 1; min-width: 180px; }
    .header-search input { width: 100%; }

    .intro-grid { grid-template-columns: 1fr; gap: 36px; }
    .tools-grid { grid-template-columns: 1fr 1fr; }
    .scenes-grid { grid-template-columns: 1fr 1fr; }
    .guides-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  }

  @media (max-width: 767.98px) {
    .section { padding: 48px 0; }
    .category-banner { padding: 52px 0 44px; }
    .category-banner h1 { font-size: 34px; }
    .category-banner .banner-sub { font-size: 16px; }

    .section-head { flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
    .section-head h2 { font-size: 24px; }
    .section-head .head-desc { margin-left: 0; text-align: left; max-width: 100%; }

    .intro-copy h2 { font-size: 26px; }
    .tools-grid { grid-template-columns: 1fr; }
    .scenes-grid { grid-template-columns: 1fr; gap: 16px; }
    .guides-grid { grid-template-columns: 1fr; }
    .stats-grid { gap: 14px; }
    .stat-number { font-size: 34px; }
    .stat-item { padding: 22px 16px; }

    .steps-wrap::before { left: 19px; }
    .step-item { padding-left: 54px; }
    .step-dot { width: 42px; height: 42px; font-size: 14px; }
    .step-item h3 { font-size: 18px; }

    .cta-section { padding: 56px 0; }
    .cta-copy h2 { font-size: 26px; }
    .signup-form { padding: 24px 18px; }
  }

  @media (max-width: 575.98px) {
    .container { padding-left: 18px; padding-right: 18px; }
    .header-actions .btn-header-link { display: none; }
    .category-banner::after { display: none; }
  }