/* roulang page: index */
:root{
  --bg-primary:#061021;--bg-secondary:#0B1B33;--accent:#00E6A0;--accent2:#9C6FFF;--hot:#FF4D8F;
  --text-main:#EEF4FF;--text-sub:#9AAECB;--text-weak:#617494;
  --glass-bg:rgba(255,255,255,.055);--glass-border:rgba(255,255,255,.10);--glass-light:rgba(255,255,255,.08);
  --radius:16px;--radius-lg:20px;
  --shadow-card:0 20px 50px rgba(0,0,0,.35),0 0 0 1px rgba(0,230,160,.06) inset;
  --shadow-hover:0 20px 50px rgba(0,0,0,.35),0 0 40px rgba(0,230,160,.12);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  --font-num:"DIN Alternate","Roboto Mono","SF Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-main);background:var(--bg-primary);color:var(--text-main);line-height:1.75;
  background-image:radial-gradient(ellipse at 15% 20%,rgba(0,230,160,.08) 0%,transparent 45%),
  radial-gradient(ellipse at 85% 70%,rgba(156,111,255,.05) 0%,transparent 40%),
  linear-gradient(rgba(0,230,160,.035) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,230,160,.035) 1px,transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;background-attachment:fixed;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--accent);transition:color .2s ease}
a:hover{color:#66f5c5}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ===== Header ===== */
.site-header{position:relative;z-index:100}
.topbar{background:rgba(4,12,28,.95);border-bottom:1px solid rgba(0,230,160,.25);height:40px;display:flex;align-items:center}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;width:100%}
.topbar-left{display:flex;align-items:center;gap:10px;font-size:.8rem}
.domain-text{color:var(--text-sub);font-weight:600;letter-spacing:.5px}
.topbar-divider{width:1px;height:12px;background:var(--glass-border)}
.topbar-tip{color:var(--text-weak);font-size:.78rem}
.topbar-entry{color:var(--accent);font-size:.8rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(0,230,160,.3);padding:2px 12px;border-radius:20px;transition:all .25s}
.topbar-entry:hover{background:rgba(0,230,160,.1);color:#fff}
.main-nav{
  background:rgba(6,16,33,.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.06);position:sticky;top:0;height:70px;z-index:99;
  box-shadow:0 1px 0 rgba(0,230,160,.12),0 10px 30px rgba(0,0,0,.2);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#00C2FF);
  display:flex;align-items:center;justify-content:center;color:#04121F;font-size:1rem;box-shadow:0 0 18px rgba(0,230,160,.4);
}
.logo-text{font-size:1.5rem;font-weight:800;letter-spacing:1px;color:#fff;line-height:1}
.logo-j9{color:var(--accent);text-shadow:0 0 16px rgba(0,230,160,.5)}
.nav-links{display:flex;align-items:center;gap:12px}
.nav-link{
  position:relative;color:var(--text-sub);font-size:.95rem;font-weight:500;padding:8px 12px;border-radius:8px;
  transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--text-main);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--accent);font-weight:600}
.nav-link.active::after{content:'';position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent);border-radius:2px;box-shadow:0 0 10px rgba(0,230,160,.6)}
.nav-cta{margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;border:none;cursor:pointer;font-weight:700;
  border-radius:12px;transition:all .28s ease;line-height:1;text-align:center;gap:8px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#00C2FF);color:#04121F;
  padding:.75rem 1.5rem;box-shadow:0 0 28px rgba(0,230,160,.35);
}
.btn-primary:hover{filter:brightness(1.1);transform:scale(1.02);color:#04121F;box-shadow:0 0 36px rgba(0,230,160,.5)}
.btn-primary:focus{outline:none;box-shadow:0 0 0 3px rgba(0,230,160,.35),0 0 28px rgba(0,230,160,.4)}
.btn-outline{
  background:transparent;color:var(--accent);border:1px solid rgba(0,230,160,.6);
  padding:.75rem 1.5rem;
}
.btn-outline:hover{background:rgba(0,230,160,.08);color:var(--accent)}
.btn-sm{padding:.5rem 1.2rem;font-size:.85rem;border-radius:8px}
.btn-lg{padding:1rem 2.2rem;font-size:1.05rem;border-radius:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;width:42px;height:42px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-main);border-radius:2px;transition:all .3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;min-height:680px;display:flex;align-items:center;overflow:hidden;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(6,16,33,.96) 25%,rgba(6,16,33,.78) 60%,rgba(6,16,33,.55) 100%);
}
.hero::after{
  content:'';position:absolute;inset:0;background:
    linear-gradient(rgba(0,230,160,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,230,160,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding-top:90px;padding-bottom:110px}
.hero h1{
  font-size:clamp(2.1rem,5vw,3.75rem);font-weight:800;line-height:1.2;color:var(--text-main);
  text-shadow:0 0 30px rgba(0,230,160,.4);max-width:760px;margin-bottom:20px;letter-spacing:1px;
}
.hero-sub{font-size:1.15rem;color:var(--text-sub);max-width:520px;margin-bottom:38px;line-height:1.7}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.hero-badges{
  position:absolute;bottom:38px;right:48px;display:flex;gap:12px;z-index:3;flex-wrap:wrap;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:30px;
  background:rgba(255,255,255,.07);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.14);font-size:.85rem;font-weight:500;color:var(--text-main);
  box-shadow:0 4px 18px rgba(0,0,0,.3);
}
.hero-badge i{color:var(--accent)}

/* ===== Sections ===== */
.section{padding:clamp(4rem,8vw,6.5rem) 0;position:relative}
.section-alt{background:rgba(11,27,51,.45)}
.section-head{margin-bottom:3rem;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;line-height:1.3;color:var(--text-main);
  padding-left:16px;position:relative;
}
.section-head h2::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--accent);border-radius:4px;box-shadow:0 0 12px rgba(0,230,160,.5)}
.section-sub{color:var(--text-sub);margin-top:10px;font-size:.95rem}

/* ===== Pain Points ===== */
.pain-card{
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow-card);padding:2rem 1.8rem;height:100%;
}
.pain-list{list-style:none;padding:0;display:grid;gap:14px}
.pain-list li{
  display:flex;align-items:flex-start;gap:14px;font-size:.98rem;color:var(--text-sub);line-height:1.6;
  padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.04);
  transition:border-color .2s,background .2s;
}
.pain-list li:hover{border-color:var(--accent);background:rgba(0,230,160,.05)}
.pain-list i{color:var(--hot);font-size:1.15rem;margin-top:3px;flex-shrink:0}
.pain-solution-card{
  background:linear-gradient(145deg,rgba(156,111,255,.12),rgba(0,230,160,.06)),var(--glass-bg);
  border:1px solid rgba(156,111,255,.25);border-radius:var(--radius-lg);
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow-card);padding:2.2rem;height:100%;display:flex;flex-direction:column;
}
.pain-solution-card h3{font-size:1.25rem;margin-bottom:18px;color:var(--text-main)}
.solution-list{display:grid;gap:12px;margin-bottom:20px}
.solution-list .item{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:var(--text-sub)}
.solution-list .item i{color:var(--accent);margin-top:3px}
.pain-solution-card .btn{margin-top:auto}

/* ===== Solution Cards ===== */
.solution-grid{margin-top:1.2rem}
.solution-card-main{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow-card);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.solution-card-main:hover{transform:translateY(-6px);border-color:rgba(0,230,160,.4);box-shadow:var(--shadow-hover)}
.solution-card-main .img-wrap{position:relative;min-height:200px;background:url('/assets/images/coverpic/cover-1.png') center/cover no-repeat}
.solution-card-main .img-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,16,33,.95))}
.solution-card-main .num{
  position:absolute;top:16px;left:16px;z-index:2;font-family:var(--font-num);font-size:.9rem;font-weight:700;
  color:var(--bg-primary);background:linear-gradient(135deg,var(--accent),#00C2FF);
  padding:4px 14px;border-radius:20px;box-shadow:0 0 16px rgba(0,230,160,.4);
}
.solution-card-main .body{padding:1.8rem;position:relative;z-index:1;flex:1;display:flex;flex-direction:column}
.solution-card-main h3{font-size:1.3rem;font-weight:700;margin-bottom:12px}
.solution-card-main p{color:var(--text-sub);font-size:.92rem;margin-bottom:18px;flex:1}
.solution-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;font-size:.75rem;padding:4px 12px;border-radius:20px;
  background:rgba(0,230,160,.1);border:1px solid rgba(0,230,160,.3);color:var(--accent);font-weight:500;
}
.tag-hot{background:rgba(255,77,143,.12);border-color:rgba(255,77,143,.35);color:var(--hot)}
.tag-purple{background:rgba(156,111,255,.12);border-color:rgba(156,111,255,.35);color:#c3a6ff}
.solution-card-mini{
  position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow-card);padding:1.8rem;height:100%;display:flex;flex-direction:column;
  transition:transform .3s,border-color .3s,box-shadow .3s;min-height:220px;
}
.solution-card-mini:hover{transform:translateY(-6px);border-color:rgba(0,230,160,.4);box-shadow:var(--shadow-hover)}
.solution-card-mini .icon{
  width:46px;height:46px;border-radius:12px;background:rgba(156,111,255,.16);color:var(--accent2);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:16px;
}
.solution-card-mini .num{
  position:absolute;top:14px;right:16px;font-family:var(--font-num);font-size:.85rem;color:var(--text-weak);font-weight:700;
}
.solution-card-mini h3{font-size:1.08rem;font-weight:700;margin-bottom:8px}
.solution-card-mini p{color:var(--text-sub);font-size:.85rem;line-height:1.55;flex:1}

/* ===== Stats ===== */
.stats-section{
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;position:relative;
}
.stats-section::before{content:'';position:absolute;inset:0;background:rgba(6,16,33,.88);}
.stats-section::after{
  content:'';position:absolute;top:0;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,230,160,.6),transparent);
}
.stats-section .section-head{position:relative;z-index:2}
.stats-grid{position:relative;z-index:2;margin-top:2rem}
.stat-card{
  background:rgba(255,255,255,.065);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;
  box-shadow:var(--shadow-card);transition:transform .3s,border-color .3s,box-shadow .3s;
}
.stat-card:nth-child(even){transform:translateY(12px)}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(0,230,160,.4);box-shadow:var(--shadow-hover)}
.stat-num{
  font-family:var(--font-num);font-size:clamp(2rem,4vw,3rem);font-weight:700;color:var(--accent);
  line-height:1.2;text-shadow:0 0 30px rgba(0,230,160,.4);display:block;margin-bottom:6px;
}
.stat-label{color:var(--text-sub);font-size:.88rem;letter-spacing:1px}

/* ===== News ===== */
.news-featured{
  display:flex;flex-direction:column;background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);overflow:hidden;height:100%;backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);box-shadow:var(--shadow-card);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.news-featured:hover{transform:translateY(-6px);border-color:rgba(0,230,160,.4);box-shadow:var(--shadow-hover)}
.news-featured .img-wrap{min-height:220px;background:url('/assets/images/coverpic/cover-2.png') center/cover no-repeat;position:relative}
.news-featured .img-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(6,16,33,.95))}
.news-featured .body{padding:1.6rem;flex:1;display:flex;flex-direction:column}
.news-featured .badge{
  align-self:flex-start;display:inline-block;font-size:.75rem;padding:3px 12px;border-radius:20px;
  background:rgba(0,230,160,.12);border:1px solid rgba(0,230,160,.3);color:var(--accent);font-weight:600;margin-bottom:12px;
}
.news-featured h3{font-size:1.15rem;font-weight:700;line-height:1.45;margin-bottom:10px;color:var(--text-main)}
.news-featured p{color:var(--text-sub);font-size:.88rem;flex:1;margin-bottom:14px}
.news-featured .meta{display:flex;justify-content:space-between;align-items:center;color:var(--text-weak);font-size:.82rem}
.news-featured .read-more{color:var(--accent);font-weight:600;font-size:.85rem;display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.news-featured .read-more:hover{gap:10px}
.news-list-wrap{display:flex;flex-direction:column;gap:14px;height:100%}
.news-list-item{
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius);
  padding:14px 16px;display:flex;gap:14px;align-items:center;transition:all .25s;
}
.news-list-item:hover{border-color:rgba(0,230,160,.35);background:rgba(0,230,160,.04)}
.news-thumb{
  width:72px;height:58px;border-radius:10px;background:url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;flex-shrink:0;
}
.news-thumb.thumb-2{background-image:url('/assets/images/coverpic/cover-5.webp')}
.news-thumb.thumb-3{background-image:url('/assets/images/coverpic/cover-6.webp')}
.news-thumb.thumb-4{background-image:url('/assets/images/coverpic/cover-7.png')}
.news-list-body{flex:1;min-width:0}
.news-list-body h4{
  font-size:.92rem;font-weight:600;color:var(--text-main);margin-bottom:4px;line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-list-body p{
  font-size:.8rem;color:var(--text-sub);line-height:1.4;margin-bottom:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-list-body .time{font-size:.75rem;color:var(--text-weak)}
.news-empty{
  text-align:center;padding:3rem 1.5rem;border:1px dashed rgba(255,255,255,.14);border-radius:var(--radius-lg);
  color:var(--text-weak);font-size:.95rem;background:rgba(255,255,255,.02);width:100%;
}
.news-empty i{font-size:2rem;display:block;margin-bottom:10px;color:var(--text-weak);opacity:.6}

/* ===== CTA Section ===== */
.cta-section{position:relative;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(6,16,33,.9)}
.cta-card{
  position:relative;z-index:2;text-align:center;background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.1);border-radius:24px;backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);box-shadow:var(--shadow-card);
  padding:4rem 2.5rem;max-width:800px;margin:0 auto;
}
.cta-card h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;margin-bottom:16px;color:#fff}
.cta-card p{color:var(--text-sub);font-size:1rem;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Reveal ===== */
.reveal{
  background:var(--bg-secondary);border:1px solid rgba(0,230,160,.25);border-radius:20px;
  box-shadow:0 30px 80px rgba(0,0,0,.5);padding:2rem;color:var(--text-main);
}
.reveal h3{margin-bottom:6px}
.reveal .close-button{color:var(--text-sub);right:18px;top:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-size:.85rem;color:var(--text-sub);font-weight:500}
.form-control{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:10px;padding:11px 14px;color:var(--text-main);transition:border-color .25s,box-shadow .25s;
}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,230,160,.15)}
.form-control::placeholder{color:var(--text-weak)}
select.form-control option{background:var(--bg-secondary);color:var(--text-main)}
.form-privacy{font-size:.78rem;color:var(--text-weak);margin-top:14px;text-align:center;display:flex;align-items:center;justify-content:center;gap:6px}
.form-privacy a{color:var(--accent)}

/* ===== FAQ ===== */
.accordion{border:none;background:transparent}
.accordion-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .25s}
.accordion-item:hover{border-color:rgba(0,230,160,.3)}
.accordion-title{
  background:transparent;color:var(--text-main);font-weight:600;font-size:.98rem;padding:1.1rem 1.4rem;position:relative;
  border-bottom:1px solid transparent;transition:background .2s;display:flex;align-items:center;gap:12px;
}
.accordion-title::before{content:'+';font-size:1.2rem;color:var(--accent);transition:transform .3s}
.accordion-title:hover{background:rgba(255,255,255,.04);color:var(--accent)}
.accordion-title[aria-expanded="true"]{border-bottom-color:var(--glass-border)}
.accordion-title[aria-expanded="true"]::before{transform:rotate(45deg);color:var(--accent)}
.accordion-content{background:rgba(255,255,255,.02);padding:1rem 1.4rem;color:var(--text-sub);font-size:.9rem;line-height:1.7;border:none}
.accordion-content p{margin-bottom:0}

/* ===== Privacy Bar ===== */
.privacy-bar{
  background:rgba(255,255,255,.04);border:1px solid rgba(0,230,160,.2);border-radius:var(--radius);
  padding:1.6rem 2rem;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
}
.privacy-bar .icon{
  width:52px;height:52px;border-radius:14px;background:rgba(0,230,160,.12);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;
}
.privacy-list{display:flex;gap:24px;flex-wrap:wrap;flex:1}
.privacy-list span{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-sub)}
.privacy-list i{color:var(--accent);font-size:.8rem}

/* ===== Footer ===== */
.site-footer{background:rgba(4,10,22,.96);border-top:1px solid rgba(0,230,160,.3);padding:4rem 0 0;position:relative}
.site-footer::before{content:'';position:absolute;top:0;left:20%;right:20%;height:1px;background:linear-gradient(90deg,transparent,rgba(0,230,160,.5),transparent)}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{color:var(--text-weak);font-size:.9rem;line-height:1.6;margin-bottom:8px}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.footer-column h4{font-size:.95rem;font-weight:600;color:var(--text-main);margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-column h4::after{content:'';position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--accent);border-radius:2px}
.footer-links{list-style:none;padding:0;display:grid;gap:10px}
.footer-links a{color:var(--text-sub);font-size:.88rem;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--accent);padding-left:6px}
.footer-contact{color:var(--text-sub);font-size:.85rem;line-height:2}
.footer-contact i{color:var(--accent);width:20px;margin-right:4px}
.footer-contact a{color:var(--text-sub)}
.footer-contact a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:1.2rem 0;margin-top:3rem;text-align:center}
.footer-bottom .copyright{font-size:.8rem;color:var(--text-weak);display:block}

/* ===== Responsive ===== */
@media screen and (max-width:1024px){
  .nav-links{gap:6px}
  .nav-link{padding:6px 8px;font-size:.88rem}
  .nav-cta{margin-left:4px;padding:.5rem .9rem;font-size:.8rem}
  .hero-badges{right:20px;bottom:20px}
  .hero-badges .hero-badge{padding:6px 12px;font-size:.78rem}
}
@media screen and (max-width:768px){
  .topbar-tip{display:none}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:110px;left:-100%;width:100%;background:rgba(6,16,33,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;padding:24px;gap:8px;transition:left .35s ease;
    border-bottom:1px solid rgba(0,230,160,.25);z-index:98;box-shadow:0 20px 40px rgba(0,0,0,.4);
  }
  .nav-links.open{left:0}
  .nav-link{padding:14px 16px;text-align:left;font-size:1rem;border-radius:10px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(0,230,160,.1)}
  .nav-cta{margin:12px 0 0;justify-content:center}
  .hero{min-height:560px}
  .hero-inner{padding-top:70px;padding-bottom:90px}
  .hero-badges{position:static;margin-top:50px;justify-content:flex-start}
  .stat-card:nth-child(even){transform:none}
  .stat-card{margin-bottom:1.5rem}
  .privacy-list{flex-direction:column;gap:12px}
  .footer-bottom{text-align:center}
}
@media screen and (max-width:640px){
  .container{padding:0 18px}
  .topbar-right .topbar-entry{font-size:.75rem;padding:2px 10px}
  .topbar-left .domain-text{font-size:.75rem}
  .logo-text{font-size:1.25rem}
  .hero h1{font-size:clamp(1.7rem,6vw,2.4rem)}
  .hero-sub{font-size:1rem}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-badges{flex-wrap:wrap}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-card{padding:3rem 1.5rem}
  .reveal{padding:1.5rem;width:calc(100vw - 32px)}
}

/* roulang page: category1 */
:root {
            --bg-primary: #061021;
            --bg-secondary: #0B1B33;
            --accent: #00E6A0;
            --accent-blue: #00C2FF;
            --accent-purple: #9C6FFF;
            --hot: #FF4D8F;
            --text-main: #EEF4FF;
            --text-sub: #9AAECB;
            --text-weak: #617494;
            --glass-bg: rgba(255, 255, 255, 0.055);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-highlight: rgba(255, 255, 255, 0.08);
            --radius-card: 16px;
            --radius-large: 20px;
            --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 160, 0.06) inset;
            --shadow-glow: 0 0 40px rgba(0, 230, 160, 0.12);
            --space-section: clamp(4rem, 8vw, 6.5rem);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: radial-gradient(ellipse at 20% 0%, #0d1f3f 0%, var(--bg-primary) 60%) fixed;
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background-image: radial-gradient(rgba(0, 230, 160, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover {
            color: #5effc0;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            background: rgba(6, 16, 33, 0.82);
            border-bottom: 1px solid rgba(0, 230, 160, 0.15);
        }

        .topbar {
            background: linear-gradient(135deg, rgba(6, 16, 33, 0.98), rgba(11, 27, 51, 0.96));
            border-bottom: 1px solid rgba(0, 230, 160, 0.2);
            height: 40px;
            display: flex;
            align-items: center;
            font-size: .8rem;
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .topbar-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .domain-text {
            color: var(--accent);
            font-weight: 600;
            letter-spacing: .5px;
        }

        .topbar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.18);
        }

        .topbar-tip {
            color: var(--text-sub);
            font-size: .78rem;
        }

        .topbar-entry {
            color: var(--text-sub);
            font-size: .78rem;
            transition: color .25s, text-shadow .25s;
        }

        .topbar-entry:hover {
            color: var(--accent);
            text-shadow: 0 0 12px rgba(0, 230, 160, 0.4);
        }

        .main-nav {
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            background: rgba(6, 16, 33, 0.7);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            position: relative;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 230, 160, 0.2), rgba(0, 194, 255, 0.15));
            border: 1px solid rgba(0, 230, 160, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
            box-shadow: 0 0 18px rgba(0, 230, 160, 0.15);
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            white-space: nowrap;
        }

        .logo-j9 {
            color: var(--accent);
            text-shadow: 0 0 18px rgba(0, 230, 160, 0.5);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: clamp(1.2rem, 2.5vw, 2.5rem);
            margin-left: auto;
        }

        .nav-link {
            color: var(--text-sub);
            font-size: .88rem;
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color .25s, border-color .25s, text-shadow .25s;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #5effc0;
            text-shadow: 0 0 16px rgba(0, 230, 160, 0.3);
        }

        .nav-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            text-shadow: 0 0 16px rgba(0, 230, 160, 0.4);
            font-weight: 600;
        }

        .nav-cta {
            white-space: nowrap;
            margin-left: 6px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 10px;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 4px;
            transition: all .3s ease;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: .9rem;
            border-radius: 12px;
            padding: .875rem 2rem;
            transition: all .3s ease;
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.2;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00E6A0, #00C2FF);
            color: #04121F;
            box-shadow: 0 0 28px rgba(0, 230, 160, 0.35);
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            transform: scale(1.02);
            color: #04121F;
            box-shadow: 0 0 38px rgba(0, 230, 160, 0.5);
        }

        .btn-primary:focus {
            outline: 2px solid rgba(0, 230, 160, 0.6);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(0, 230, 160, 0.6);
            color: var(--accent);
        }

        .btn-outline:hover {
            background: rgba(0, 230, 160, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: .5rem 1.2rem;
            font-size: .8rem;
            border-radius: 10px;
        }

        /* ===== Tags ===== */
        .tag {
            display: inline-block;
            padding: .25rem .8rem;
            border-radius: 999px;
            font-size: .72rem;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(0, 230, 160, 0.3);
            color: var(--accent);
            margin-right: 6px;
            margin-bottom: 6px;
            white-space: nowrap;
        }

        .tag-purple {
            border-color: rgba(156, 111, 255, 0.35);
            color: #b79aff;
        }

        .tag-hot {
            border-color: rgba(255, 77, 143, 0.4);
            color: #ff7bab;
        }

        /* ===== Hero Banner (分类页) ===== */
        .category-hero {
            position: relative;
            padding: clamp(4rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 4.5rem);
            background: url('/assets/images/backpic/back-1.webp') no-repeat center center / cover;
            border-bottom: 1px solid rgba(0, 230, 160, 0.1);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(4, 12, 26, 0.92) 0%, rgba(8, 22, 45, 0.78) 55%, rgba(4, 12, 26, 0.65) 100%);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(0, 230, 160, 0.06) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: .6rem;
            color: #fff;
            text-shadow: 0 0 40px rgba(0, 230, 160, 0.35);
            letter-spacing: 1px;
        }

        .category-hero .hero-sub {
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            color: var(--text-sub);
            max-width: 560px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-badges {
            display: flex;
            gap: .6rem;
            flex-wrap: wrap;
            margin-top: 2.2rem;
        }

        .hero-badge {
            padding: .35rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(10px);
            font-size: .75rem;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 160, 0.06);
            border-bottom: 1px solid rgba(0, 230, 160, 0.06);
        }

        .section-title-wrap {
            margin-bottom: 2.5rem;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: .6rem;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .section-sub {
            color: var(--text-sub);
            font-size: .95rem;
            max-width: 640px;
        }

        /* ===== About (两栏图文) ===== */
        .about-wrap {
            display: flex;
            align-items: stretch;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .about-media {
            flex: 1 1 45%;
            border-radius: var(--radius-large);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            min-height: 320px;
            position: relative;
            background: var(--glass-bg);
        }

        .about-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .about-content {
            flex: 1 1 45%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 1.5rem 0;
        }

        .about-content h2 {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-main);
        }

        .about-content p {
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .about-list {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }

        .about-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: .7rem;
            color: var(--text-sub);
            font-size: .92rem;
        }

        .about-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
            font-size: .8rem;
        }

        /* ===== Cards Grid 2×2 ===== */
        .cards-grid {
            margin-top: 1.5rem;
        }

        .cards-grid .columns {
            margin-bottom: 1.5rem;
        }

        .module-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 1.8rem 1.5rem;
            position: relative;
            height: 100%;
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
            overflow: hidden;
        }

        .module-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: opacity .3s ease;
        }

        .module-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 230, 160, 0.4);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }

        .module-card:hover::before {
            opacity: 1;
        }

        .module-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 230, 160, 0.15), rgba(0, 194, 255, 0.1));
            border: 1px solid rgba(0, 230, 160, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 1rem;
            box-shadow: 0 0 16px rgba(0, 230, 160, 0.1);
        }

        .module-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: .5rem;
            color: var(--text-main);
        }

        .module-card p {
            font-size: .85rem;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .module-card .card-num {
            position: absolute;
            top: 14px;
            right: 16px;
            font-size: .75rem;
            color: rgba(255, 255, 255, 0.2);
            font-weight: 700;
            letter-spacing: 1px;
            font-family: "DIN Alternate", "Roboto Mono", monospace;
        }

        /* ===== Steps Timeline ===== */
        .steps-wrap {
            position: relative;
            padding: 2rem 0 1rem;
        }

        .steps-wrap::before {
            content: "";
            position: absolute;
            left: 28px;
            top: 2rem;
            bottom: 2rem;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), rgba(0, 230, 160, 0.05));
        }

        .step-item {
            position: relative;
            padding-left: 76px;
            margin-bottom: 2.2rem;
        }

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

        .step-dot {
            position: absolute;
            left: 14px;
            top: 2px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--accent);
            box-shadow: 0 0 16px rgba(0, 230, 160, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .7rem;
            font-weight: 700;
            color: var(--accent);
            font-family: "DIN Alternate", monospace;
            z-index: 1;
        }

        .step-content {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 1.4rem 1.6rem;
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .step-content:hover {
            border-color: rgba(0, 230, 160, 0.3);
            box-shadow: var(--shadow-card);
        }

        .step-content h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: .4rem;
            color: var(--text-main);
        }

        .step-content p {
            font-size: .85rem;
            color: var(--text-sub);
            margin-bottom: 0;
            line-height: 1.65;
        }

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

        .accordion {
            background: transparent;
            border: none;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .accordion .accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .accordion .accordion-item:hover {
            border-color: rgba(0, 230, 160, 0.25);
        }

        .accordion .accordion-item.is-active {
            border-color: rgba(0, 230, 160, 0.35);
            box-shadow: 0 0 30px rgba(0, 230, 160, 0.05);
        }

        .accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: none;
            position: relative;
            transition: color .25s;
        }

        .accordion .accordion-title:hover,
        .accordion .accordion-title:focus {
            color: var(--accent);
            background: transparent;
        }

        .accordion .accordion-title::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .8rem;
            color: var(--accent);
            transition: transform .3s ease;
            position: absolute;
            right: 1.4rem;
            top: 50%;
            transform: translateY(-50%);
        }

        .accordion .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(45deg);
        }

        .accordion .accordion-content {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-sub);
            font-size: .88rem;
            line-height: 1.7;
            background: transparent;
            border: none;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            padding: var(--space-section) 0;
            background: url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
            border-top: 1px solid rgba(0, 230, 160, 0.08);
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 16, 33, 0.95), rgba(8, 22, 45, 0.88));
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 1.5rem 0;
        }

        .cta-inner h2 {
            font-size: clamp(1.6rem, 3.2vw, 2.3rem);
            font-weight: 700;
            margin-bottom: .8rem;
            color: #fff;
            text-shadow: 0 0 30px rgba(0, 230, 160, 0.3);
        }

        .cta-inner p {
            color: var(--text-sub);
            font-size: .95rem;
            margin-bottom: 1.8rem;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #040b18;
            border-top: 1px solid rgba(0, 230, 160, 0.2);
            padding-top: 3.5rem;
            position: relative;
            z-index: 1;
        }

        .site-footer .columns {
            margin-bottom: 2rem;
        }

        .footer-brand .logo {
            margin-bottom: 1rem;
        }

        .footer-desc {
            color: var(--text-sub);
            font-size: .85rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .footer-column h4 {
            color: var(--text-main);
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: .5rem;
        }

        .footer-column h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(0, 230, 160, 0.4);
        }

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

        .footer-links li {
            margin-bottom: .6rem;
        }

        .footer-links a {
            color: var(--text-sub);
            font-size: .85rem;
            transition: color .25s, padding-left .25s;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links i {
            font-size: .7rem;
            margin-right: 4px;
            color: var(--text-weak);
        }

        .footer-contact p {
            color: var(--text-sub);
            font-size: .85rem;
            margin-bottom: .5rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-contact a {
            color: var(--text-sub);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 1.2rem 0;
            text-align: center;
            margin-top: 1rem;
        }

        .copyright {
            color: var(--text-weak);
            font-size: .8rem;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: rgba(11, 27, 51, 0.6);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: .8rem 0;
            font-size: .8rem;
            color: var(--text-sub);
        }

        .breadcrumb-bar a {
            color: var(--text-sub);
        }

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

        .breadcrumb-bar .sep {
            margin: 0 8px;
            color: var(--text-weak);
        }

        .breadcrumb-bar .current {
            color: var(--accent);
        }

        /* ===== Reveal Modal Custom ===== */
        .reveal-modal {
            background: var(--bg-secondary);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-large);
            box-shadow: var(--shadow-card), 0 0 60px rgba(0, 230, 160, 0.1);
            padding: 2rem;
        }

        .reveal-modal label {
            color: var(--text-sub);
            font-size: .82rem;
            margin-bottom: .3rem;
        }

        .reveal-modal input,
        .reveal-modal select,
        .reveal-modal textarea {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 10px;
            color: var(--text-main);
            font-size: .9rem;
            padding: .7rem .9rem;
            width: 100%;
            margin-bottom: 1rem;
            transition: border-color .25s, box-shadow .25s;
        }

        .reveal-modal input:focus,
        .reveal-modal select:focus,
        .reveal-modal textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(0, 230, 160, 0.15);
            outline: none;
        }

        .privacy-note {
            font-size: .78rem;
            color: var(--text-weak);
            margin-top: .6rem;
        }

        .privacy-note a {
            color: var(--text-sub);
            text-decoration: underline;
        }

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

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .nav-links {
                gap: 1rem;
            }

            .nav-link {
                font-size: .82rem;
            }

            .btn-sm {
                padding: .45rem .9rem;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(6, 16, 33, 0.98);
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
                padding: 4rem 2rem 2rem;
                gap: 1.2rem;
                transition: right .35s ease;
                z-index: 1000;
                box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
                border-left: 1px solid rgba(0, 230, 160, 0.15);
                margin-left: 0;
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links .nav-link {
                font-size: 1rem;
                width: 100%;
            }

            .nav-cta {
                margin-top: .5rem;
                width: 100%;
            }

            .nav-toggle {
                display: flex;
                z-index: 1001;
                margin-left: auto;
            }

            .nav-toggle.active span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }

            .nav-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .nav-toggle.active span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }

            .nav-toggle span {
                background: var(--accent);
            }

            .topbar-tip {
                display: none;
            }

            .about-wrap {
                flex-direction: column;
            }

            .about-media {
                min-height: 240px;
            }

            .about-media img {
                min-height: 240px;
            }

            .hero-actions,
            .cta-buttons {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .steps-wrap::before {
                left: 18px;
            }

            .step-item {
                padding-left: 56px;
            }

            .step-dot {
                left: 4px;
                width: 28px;
                height: 28px;
                font-size: .65rem;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .category-hero {
                padding-top: 3rem;
                padding-bottom: 2.5rem;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .hero-badge {
                font-size: .68rem;
            }

            .topbar {
                height: 38px;
            }

            .topbar-entry {
                font-size: .7rem;
            }

            .domain-text {
                font-size: .72rem;
            }

            .btn {
                font-size: .85rem;
                padding: .75rem 1.4rem;
            }

            .section-title {
                font-size: 1.35rem;
                padding-left: 12px;
            }

            .module-card {
                padding: 1.4rem 1.2rem;
            }

            .step-content {
                padding: 1.1rem 1.2rem;
            }
        }

        @media screen and (min-width: 1025px) {
            .hero-badges {
                margin-top: 2.5rem;
            }
        }

        /* ===== Hover Focus Active for all clickable ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .site-footer .logo:hover .logo-text {
            text-shadow: 0 0 20px rgba(0, 230, 160, 0.3);
        }

        .logo:hover .logo-icon {
            box-shadow: 0 0 24px rgba(0, 230, 160, 0.3);
            transform: scale(1.05);
            transition: all .3s ease;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
      --primary: #00E6A0;
      --primary-dark: #00C2FF;
      --accent: #9C6FFF;
      --hot: #FF4D8F;
      --bg-main: #061021;
      --bg-secondary: #0B1B33;
      --glass-bg: rgba(255,255,255,0.055);
      --glass-border: rgba(255,255,255,0.10);
      --text-main: #EEF4FF;
      --text-secondary: #9AAECB;
      --text-weak: #617494;
      --radius: 16px;
      --radius-lg: 20px;
      --shadow: 0 20px 50px rgba(0,0,0,0.35);
      --glow: 0 0 40px rgba(0,230,160,0.12);
      --transition: all 0.3s ease;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
      background:
        linear-gradient(rgba(0,230,160,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,230,160,0.03) 1px, transparent 1px),
        radial-gradient(ellipse at top, #0B1B33 0%, #061021 70%);
      background-size: 60px 60px, 60px 60px, 100% 100%;
      color: var(--text-main);
      line-height: 1.75;
      min-height: 100vh;
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      height: auto;
    }
    a {
      color: var(--primary);
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-dark);
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }
    .container .row {
      max-width: none;
    }

    /* ===== 顶部信息条 ===== */
    .topbar {
      background: linear-gradient(90deg, rgba(0,230,160,0.06), transparent);
      border-bottom: 1px solid rgba(0,230,160,0.18);
      border-bottom: 1px solid rgba(0,230,160,0.12);
      position: relative;
      z-index: 200;
    }
    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 40px;
    }
    .topbar-left {
      display: flex;
      align-items: center;
      gap: 0.65rem;
    }
    .domain-text {
      color: var(--primary);
      font-weight: 600;
      font-size: 0.8rem;
      letter-spacing: 0.03em;
    }
    .topbar-divider {
      width: 1px;
      height: 14px;
      background: rgba(255,255,255,0.12);
    }
    .topbar-tip {
      color: var(--text-secondary);
      font-size: 0.75rem;
    }
    .topbar-right {
      display: flex;
      align-items: center;
    }
    .topbar-entry {
      color: var(--text-secondary);
      font-size: 0.8rem;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.25rem 0.6rem;
      border-radius: 6px;
      transition: var(--transition);
    }
    .topbar-entry:hover {
      color: var(--primary);
      background: rgba(0,230,160,0.08);
    }

    /* ===== 主导航 ===== */
    .main-nav {
      background: rgba(6,16,33,0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
      position: sticky;
      top: 0;
      z-index: 150;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      text-decoration: none;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(0,230,160,0.22), rgba(156,111,255,0.2));
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.2rem;
      border: 1px solid rgba(0,230,160,0.3);
      box-shadow: 0 0 20px rgba(0,230,160,0.15);
    }
    .logo-text {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: 0.02em;
    }
    .logo-j9 {
      color: var(--primary);
      text-shadow: 0 0 12px rgba(0,230,160,0.6);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }
    .nav-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      padding: 0.4rem 0.25rem;
      position: relative;
      transition: var(--transition);
      white-space: nowrap;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform 0.3s ease;
    }
    .nav-link:hover {
      color: var(--primary);
    }
    .nav-link:hover::after {
      transform: scaleX(1);
    }
    .nav-link.active {
      color: var(--primary);
      text-shadow: 0 0 20px rgba(0,230,160,0.4);
    }
    .nav-link.active::after {
      transform: scaleX(1);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      font-weight: 700;
      border-radius: 12px;
      padding: 0.8rem 1.75rem;
      text-decoration: none;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s ease;
      font-size: 0.95rem;
    }
    .btn-primary {
      background: linear-gradient(135deg, #00E6A0, #00C2FF);
      color: #04121F;
      box-shadow: 0 0 28px rgba(0,230,160,0.25);
    }
    .btn-primary:hover {
      filter: brightness(1.1);
      transform: scale(1.02);
      color: #04121F;
      box-shadow: 0 0 34px rgba(0,230,160,0.35);
    }
    .btn-primary:focus {
      outline: 2px solid rgba(0,230,160,0.5);
      outline-offset: 2px;
    }
    .btn-outline {
      background: transparent;
      border: 1px solid rgba(0,230,160,0.6);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: rgba(0,230,160,0.08);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-sm {
      padding: 0.5rem 1.15rem;
      border-radius: 10px;
      font-size: 0.85rem;
    }
    .nav-cta {
      margin-left: 0.5rem;
      white-space: nowrap;
    }
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
    }
    .nav-toggle span {
      width: 24px;
      height: 2px;
      background: var(--text-main);
      border-radius: 2px;
      transition: var(--transition);
    }
    .nav-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== 标签 / 徽章 ===== */
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.3rem 0.9rem;
      border-radius: 999px;
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(0,230,160,0.12);
      border: 1px solid rgba(0,230,160,0.25);
    }
    .tag-purple {
      color: var(--accent);
      background: rgba(156,111,255,0.12);
      border-color: rgba(156,111,255,0.25);
    }
    .tag-hot {
      color: var(--hot);
      background: rgba(255,77,143,0.12);
      border-color: rgba(255,77,143,0.25);
    }

    /* ===== 面包屑 ===== */
    .article-breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem;
      font-size: 0.85rem;
      color: var(--text-weak);
      margin-bottom: 1.5rem;
    }
    .article-breadcrumb a {
      color: var(--text-secondary);
      text-decoration: none;
    }
    .article-breadcrumb a:hover {
      color: var(--primary);
    }
    .breadcrumb-sep {
      color: var(--text-weak);
      font-size: 0.75rem;
    }
    .breadcrumb-current {
      color: var(--text-weak);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 260px;
    }

    /* ===== 文章 Hero ===== */
    .article-hero {
      position: relative;
      padding: clamp(2.5rem, 5vw, 4rem) 0 3.5rem;
      background:
        linear-gradient(135deg, rgba(11,27,51,0.94), rgba(6,16,33,0.8)),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      border-bottom: 1px solid rgba(0,230,160,0.18);
    }
    .article-hero-inner {
      position: relative;
      z-index: 2;
    }
    .article-hero h1 {
      font-size: clamp(1.6rem, 4vw, 2.75rem);
      font-weight: 800;
      line-height: 1.28;
      color: var(--text-main);
      max-width: 820px;
      margin-bottom: 1.4rem;
      text-shadow: 0 0 30px rgba(0,230,160,0.25);
    }
    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem 1.5rem;
      font-size: 0.875rem;
      color: var(--text-secondary);
    }
    .meta-item {
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }
    .meta-item i {
      color: var(--primary);
    }
    .meta-category {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: rgba(0,230,160,0.1);
      border: 1px solid rgba(0,230,160,0.25);
      color: var(--primary);
      padding: 0.25rem 0.85rem;
      border-radius: 999px;
      font-size: 0.8rem;
      text-decoration: none;
      transition: var(--transition);
    }
    .meta-category:hover {
      background: rgba(0,230,160,0.2);
      color: var(--primary);
    }

    /* ===== 文章主体 ===== */
    .article-main {
      padding: clamp(3rem, 6vw, 5rem) 0 4rem;
    }
    .article-card {
      max-width: 860px;
      margin: 0 auto;
      padding: clamp(1.75rem, 4vw, 3.5rem);
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
      position: relative;
    }

    /* ===== 正文排版 ===== */
    .article-content {
      font-size: 1rem;
      line-height: 1.85;
      color: var(--text-main);
    }
    .article-content p {
      margin-bottom: 1.5rem;
    }
    .article-content h2 {
      font-size: 1.5rem;
      font-weight: 700;
      margin: 2.5rem 0 1.25rem;
      padding-left: 0.75rem;
      border-left: 4px solid var(--primary);
      line-height: 1.4;
      color: var(--text-main);
    }
    .article-content h3 {
      font-size: 1.22rem;
      font-weight: 600;
      margin: 2rem 0 1rem;
      color: var(--text-main);
    }
    .article-content h4 {
      font-size: 1.05rem;
      font-weight: 600;
      margin: 1.5rem 0 0.75rem;
      color: var(--text-main);
    }
    .article-content img {
      border-radius: 12px;
      max-width: 100%;
      height: auto;
      margin: 1.5rem 0;
      box-shadow: var(--shadow);
    }
    .article-content blockquote {
      border-left: 4px solid var(--primary);
      background: rgba(0,230,160,0.06);
      padding: 1rem 1.5rem;
      border-radius: 0 12px 12px 0;
      margin: 1.5rem 0;
      font-style: normal;
      color: var(--text-secondary);
    }
    .article-content ul,
    .article-content ol {
      padding-left: 1.5rem;
      margin-bottom: 1.5rem;
    }
    .article-content li {
      margin-bottom: 0.5rem;
    }
    .article-content a {
      color: var(--primary);
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .article-content a:hover {
      color: var(--primary-dark);
    }
    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5rem 0;
      font-size: 0.9rem;
    }
    .article-content table th,
    .article-content table td {
      padding: 0.65rem 1rem;
      border: 1px solid var(--glass-border);
      text-align: left;
    }
    .article-content table th {
      background: rgba(0,230,160,0.08);
      color: var(--primary);
      font-weight: 600;
    }

    /* ===== 文章未找到 ===== */
    .article-not-found {
      text-align: center;
      padding: 2.5rem 1rem;
    }
    .article-not-found i {
      font-size: 3rem;
      color: var(--text-weak);
      margin-bottom: 1.25rem;
      display: inline-block;
    }
    .article-not-found h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 0.75rem;
    }
    .article-not-found p {
      color: var(--text-secondary);
      margin-bottom: 1.75rem;
    }

    /* ===== 文章底部链接 ===== */
    .article-footer-links {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
      margin-top: 2.75rem;
      padding-top: 1.75rem;
      border-top: 1px solid var(--glass-border);
    }

    /* ===== 相关推荐 ===== */
    .related-section {
      padding: 0 0 clamp(3.5rem, 7vw, 5rem);
    }
    .related-section .section-title {
      font-size: clamp(1.4rem, 3vw, 2rem);
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2rem;
      padding-left: 0.75rem;
      border-left: 4px solid var(--primary);
      line-height: 1.3;
    }
    .related-grid {
      margin-top: 2.5rem;
    }
    .related-col {
      margin-bottom: 1.5rem;
    }
    .related-card {
      display: flex;
      flex-direction: column;
      height: 100%;
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius);
      overflow: hidden;
      text-decoration: none;
      transition: var(--transition);
    }
    .related-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0,230,160,0.4);
      box-shadow: 0 0 30px rgba(0,230,160,0.12);
    }
    .related-card-thumb {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: var(--bg-secondary);
    }
    .related-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .related-card:hover .related-card-thumb img {
      transform: scale(1.04);
    }
    .related-card-cat {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(6,16,33,0.75);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      color: var(--primary);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 0.25rem 0.75rem;
      border-radius: 999px;
      border: 1px solid rgba(0,230,160,0.3);
      z-index: 2;
    }
    .related-card-body {
      padding: 1.25rem 1.25rem 1.5rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .related-card-body h3 {
      font-size: 1.05rem;
      font-weight: 600;
      line-height: 1.45;
      color: var(--text-main);
      margin-bottom: 0.65rem;
      transition: var(--transition);
    }
    .related-card:hover .related-card-body h3 {
      color: var(--primary);
    }
    .related-card-body p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.6;
      flex: 1;
      margin-bottom: 1rem;
    }
    .related-card-meta {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      font-size: 0.78rem;
      color: var(--text-weak);
    }
    .related-card-meta i {
      margin-right: 0.25rem;
      color: var(--primary);
    }

    /* ===== 文章返回顶部 ===== */
    .back-top {
      position: fixed;
      right: 24px;
      bottom: 24px;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(6,16,33,0.85);
      border: 1px solid rgba(0,230,160,0.35);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      z-index: 99;
      opacity: 0;
      pointer-events: none;
      transition: var(--transition);
    }
    .back-top.show {
      opacity: 1;
      pointer-events: auto;
    }
    .back-top:hover {
      background: rgba(0,230,160,0.15);
      transform: translateY(-3px);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--bg-secondary);
      border-top: 1px solid rgba(0,230,160,0.15);
      padding: 3.5rem 0 0;
      position: relative;
    }
    .site-footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0,230,160,0.4), transparent);
    }
    .footer-brand .logo {
      margin-bottom: 1rem;
    }
    .footer-desc {
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.65;
      margin-bottom: 1.25rem;
      max-width: 280px;
    }
    .footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .footer-column h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 0.6rem;
    }
    .footer-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.875rem;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-links a i {
      font-size: 0.75rem;
      color: var(--primary);
    }
    .footer-contact p {
      color: var(--text-secondary);
      font-size: 0.875rem;
      margin-bottom: 0.6rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .footer-contact i {
      color: var(--primary);
      width: 16px;
      text-align: center;
    }
    .footer-contact a {
      color: var(--text-secondary);
      text-decoration: none;
    }
    .footer-contact a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      margin-top: 2.5rem;
      padding: 1.25rem 0;
      border-top: 1px solid rgba(255,255,255,0.06);
      text-align: center;
    }
    .copyright {
      color: var(--text-weak);
      font-size: 0.8rem;
      letter-spacing: 0.02em;
    }

    /* ===== Foundation 覆盖 ===== */
    .row {
      max-width: 100%;
    }
    .columns {
      padding: 0 0.9375rem;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .nav-toggle {
        display: flex;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.5rem;
        background: rgba(6,16,33,0.97);
        border-bottom: 1px solid var(--glass-border);
        box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        gap: 0.25rem;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-link {
        padding: 0.75rem 0.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        font-size: 1rem;
      }
      .nav-link::after {
        display: none;
      }
      .nav-cta {
        margin: 0.75rem 0 0.25rem;
        justify-content: center;
      }
      .related-col {
        margin-bottom: 1.25rem;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 1.25rem;
      }
      .topbar-tip,
      .topbar-divider {
        display: none;
      }
      .topbar-inner {
        min-height: 36px;
      }
      .domain-text {
        font-size: 0.75rem;
      }
      .logo-text {
        font-size: 1.15rem;
      }
      .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
        border-radius: 10px;
      }
      .article-hero {
        padding: 2rem 0 2.5rem;
      }
      .article-hero h1 {
        font-size: 1.4rem;
      }
      .article-meta {
        gap: 0.75rem 1rem;
        font-size: 0.8rem;
      }
      .article-card {
        padding: 1.25rem 1.1rem;
        border-radius: 14px;
      }
      .article-content {
        font-size: 0.95rem;
      }
      .article-content h2 {
        font-size: 1.25rem;
      }
      .article-content h3 {
        font-size: 1.1rem;
      }
      .article-footer-links {
        flex-direction: column;
        align-items: stretch;
      }
      .article-footer-links .btn {
        width: 100%;
      }
      .breadcrumb-current {
        max-width: 160px;
      }
      .related-section .section-title {
        font-size: 1.25rem;
      }
      .footer-bottom {
        padding: 1rem 0;
      }
    }

    @media (max-width: 520px) {
      .topbar-entry {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
      }
      .nav-inner {
        min-height: 64px;
      }
      .related-card-body h3 {
        font-size: 0.98rem;
      }
    }

/* roulang page: category2 */
:root {
  --bg: #061021;
  --bg-deep: #040B16;
  --bg-2: #0B1B33;
  --primary: #00E6A0;
  --primary-2: #00C2FF;
  --purple: #9C6FFF;
  --hot: #FF4D8F;
  --text: #EEF4FF;
  --text-2: #9AAECB;
  --text-weak: #617494;
  --border: rgba(255,255,255,0.10);
  --glass: rgba(255,255,255,0.055);
  --glass-high: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-lg: 20px;
  --shadow: 0 20px 50px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,230,160,0.06) inset;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: radial-gradient(circle at 15% 0%, rgba(0,230,160,0.07), transparent 42%), radial-gradient(circle at 90% 28%, rgba(156,111,255,0.05), transparent 40%), var(--bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .3s ease;
}

a:hover {
  color: var(--primary-2);
}

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

button, input, select, textarea {
  font-family: var(--font);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.row {
  max-width: 1200px;
}

section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  position: relative;
}

.section-head {
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin: 0 0 1rem;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}

.section-desc {
  color: var(--text-2);
  font-size: 1rem;
  max-width: 680px;
  margin: 0;
  line-height: 1.75;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.875rem 2rem;
  border-radius: 12px;
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  transition: all .3s ease;
  border: 0;
  cursor: pointer;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, #00E6A0, #00C2FF);
  color: #04121F;
  box-shadow: 0 0 28px rgba(0, 230, 160, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: scale(1.02);
  color: #04121F;
}

.btn-primary:focus {
  outline: 2px solid rgba(0, 230, 160, 0.5);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background: rgba(0, 230, 160, 0.08);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: .6rem 1.3rem;
  font-size: .85rem;
  border-radius: 10px;
}

/* ===== Header ===== */
.site-header {
  position: relative;
  z-index: 100;
}

.topbar {
  background: linear-gradient(180deg, rgba(4, 11, 22, 0.95), rgba(6, 16, 33, 0.85));
  border-bottom: 1px solid rgba(0, 230, 160, 0.22);
  height: 40px;
  display: flex;
  align-items: center;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.domain-text {
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .3px;
}

.topbar-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.18);
}

.topbar-tip {
  color: var(--text-2);
  font-size: .8rem;
}

.topbar-right {
  display: flex;
  align-items: center;
}

.topbar-entry {
  color: var(--text);
  font-size: .8rem;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 230, 160, 0.3);
  transition: all .3s ease;
}

.topbar-entry:hover {
  background: rgba(0, 230, 160, 0.08);
  color: var(--primary);
}

.main-nav {
  position: sticky;
  top: 0;
  background: rgba(6, 16, 33, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #00E6A0, #00C2FF);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #04121F;
  font-size: 1.2rem;
  box-shadow: 0 0 24px rgba(0, 230, 160, 0.35);
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .5px;
}

.logo-j9 {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-2);
  text-decoration: none;
  font-size: .925rem;
  font-weight: 500;
  padding: 8px 2px;
  position: relative;
  transition: color .3s ease;
}

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

.nav-link.active {
  color: var(--text);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 12px rgba(0, 230, 160, 0.8);
}

.nav-cta {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s ease;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  padding: 110px 0 70px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: linear-gradient(rgba(0, 230, 160, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 230, 160, 0.04) 1px, transparent 1px);
  background-size: 38px 38px;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg, rgba(4, 11, 22, 0.88) 20%, rgba(6, 16, 33, 0.55) 60%, rgba(0, 230, 160, 0.12) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0, 230, 160, 0.1);
  border: 1px solid rgba(0, 230, 160, 0.3);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
  margin: 0 0 1rem;
  text-shadow: 0 0 30px rgba(0, 230, 160, 0.4);
}

.hero-subtitle {
  color: var(--text-2);
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 620px;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 2.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.glass-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 7px 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.glass-pill i {
  color: var(--primary);
}

/* ===== Timeline ===== */
.timeline-section {
  background: linear-gradient(180deg, rgba(6, 16, 33, 0.6), rgba(6, 16, 33, 1));
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  position: relative;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 230, 160, 0.5), rgba(156, 111, 255, 0.4));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding-right: 48px;
  margin-bottom: 2.5rem;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding-right: 0;
  padding-left: 48px;
}

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

.timeline-item::after {
  content: '';
  position: absolute;
  top: 8px;
  right: -9px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg);
  box-shadow: 0 0 20px rgba(0, 230, 160, 0.8);
  z-index: 2;
}

.timeline-item:nth-child(even)::after {
  right: auto;
  left: -9px;
}

.timeline-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: all .35s ease;
}

.timeline-card:hover {
  border-color: rgba(0, 230, 160, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 0 40px rgba(0, 230, 160, 0.12);
}

.phase-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(0, 230, 160, 0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 230, 160, 0.3);
}

.timeline-card h3 {
  margin: 14px 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.timeline-card p {
  color: var(--text-2);
  font-size: .92rem;
  line-height: 1.75;
  margin: 0;
}

.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.mini-tags span {
  font-size: .72rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(156, 111, 255, 0.1);
  color: var(--purple);
  border: 1px solid rgba(156, 111, 255, 0.2);
}

/* ===== Content cards ===== */
.content-section {
  background: var(--bg);
}

.content-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: all .35s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.content-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 230, 160, 0.4);
  box-shadow: 0 0 40px rgba(0, 230, 160, 0.12);
}

.content-card-lg {
  padding: 0;
}

.card-img {
  position: relative;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform .5s ease;
}

.content-card-lg:hover .card-img img {
  transform: scale(1.04);
}

.card-body {
  padding: 1.5rem;
}

.card-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #FF4D8F, #FF6BA3);
  color: #fff;
  margin-bottom: 12px;
}

.content-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}

.content-card p {
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.7;
  margin: 0;
}

.icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 230, 160, 0.15), rgba(156, 111, 255, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: .88rem;
  font-weight: 600;
  margin-top: 14px;
}

.card-link i {
  transition: transform .3s ease;
}

.card-link:hover i {
  transform: translateX(4px);
}

.content-card-wide {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 1.5rem;
}

.content-card-wide .icon-wrap {
  flex-shrink: 0;
  margin: 0;
}

/* ===== Player cards ===== */
.player-section {
  background: linear-gradient(180deg, var(--bg), rgba(11, 27, 51, 0.6), var(--bg));
}

.player-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: all .35s ease;
  height: 100%;
}

.player-card:hover {
  transform: translateY(-6px);
  border-color: rgba(156, 111, 255, 0.35);
  box-shadow: 0 0 32px rgba(156, 111, 255, 0.08);
}

.icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 230, 160, 0.18), rgba(156, 111, 255, 0.14));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 230, 160, 0.2);
}

.player-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}

.player-card p {
  color: var(--text-2);
  font-size: .88rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}

.accordion {
  background: transparent;
  list-style: none;
  margin: 0;
  padding: 0;
}

.accordion-item {
  background: var(--glass) !important;
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: none !important;
}

.accordion-title {
  background: transparent !important;
  color: var(--text) !important;
  font-weight: 600;
  font-size: .98rem;
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid transparent;
  position: relative;
}

.accordion-title::before {
  color: var(--primary) !important;
  font-weight: 700;
}

.accordion-title:hover {
  background: rgba(0, 230, 160, 0.06) !important;
  color: var(--primary) !important;
}

.accordion-content {
  background: transparent !important;
  color: var(--text-2);
  line-height: 1.75;
  font-size: .92rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.accordion-content p {
  margin: 0;
  padding: 1rem 1.35rem;
}

/* ===== Privacy strip ===== */
.privacy-strip {
  padding: 1.5rem 0;
}

.privacy-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  border: 1px solid rgba(0, 230, 160, 0.18);
  background: rgba(0, 230, 160, 0.05);
  border-radius: 14px;
  padding: 1.1rem 1.8rem;
  color: var(--text-2);
  font-size: .9rem;
}

.privacy-inner i {
  color: var(--primary);
  font-size: 1.1rem;
}

/* ===== CTA ===== */
.cta-section {
  padding-top: 2rem;
}

.cta-panel {
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(0, 230, 160, 0.12), transparent 60%), var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: clamp(3rem, 6vw, 5rem) 2rem;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.cta-panel h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--text);
  margin: 0 0 0.75rem;
  text-shadow: 0 0 24px rgba(0, 230, 160, 0.3);
}

.cta-panel p {
  color: var(--text-2);
  font-size: 1rem;
  margin: 0 0 2rem;
}

.cta-panel .btn {
  min-width: 200px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(0, 230, 160, 0.35);
  padding: 4rem 0 0;
  margin-top: 4rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-desc {
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.7;
  margin: 0 0 1rem;
  max-width: 320px;
}

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

.tag {
  font-size: .72rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(0, 230, 160, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 230, 160, 0.25);
}

.tag-purple {
  background: rgba(156, 111, 255, 0.1);
  color: var(--purple);
  border-color: rgba(156, 111, 255, 0.25);
}

.tag-hot {
  background: rgba(255, 77, 143, 0.1);
  color: var(--hot);
  border-color: rgba(255, 77, 143, 0.25);
}

.footer-column h4 {
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 1.2rem;
}

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

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

.footer-links a {
  color: var(--text-2);
  font-size: .88rem;
  transition: all .3s ease;
}

.footer-links a i {
  color: var(--primary);
  font-size: .7rem;
  margin-right: 6px;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact p {
  color: var(--text-2);
  font-size: .88rem;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact i {
  color: var(--primary);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}

.footer-contact a {
  color: var(--text-2);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 3rem;
  padding: 1.5rem 0;
  text-align: center;
  color: var(--text-weak);
  font-size: .82rem;
}

.copyright {
  opacity: .8;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links {
    gap: 1.4rem;
  }

  .page-hero {
    min-height: 460px;
  }
}

@media (max-width: 840px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(4, 14, 26, 0.97);
    backdrop-filter: blur(20px);
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(0, 230, 160, 0.3);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.4);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 0;
    font-size: 1rem;
  }

  .nav-link.active::after {
    bottom: 4px;
  }

  .nav-cta {
    margin: 14px 0 0;
    width: 100%;
    justify-content: center;
  }

  .topbar-tip {
    display: none;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-left: 36px;
    padding-right: 0;
  }

  .timeline-item::after,
  .timeline-item:nth-child(even)::after {
    left: 0;
    right: auto;
  }

  .content-card-wide {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .topbar {
    height: 36px;
  }

  .main-nav .nav-inner {
    height: 64px;
  }

  .nav-links {
    top: 64px;
  }

  .page-hero {
    padding: 90px 0 50px;
    min-height: auto;
  }

  .page-hero h1 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

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

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

  .hero-badges {
    gap: 8px;
  }

  .glass-pill {
    font-size: .75rem;
    padding: 6px 12px;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .timeline-card {
    padding: 20px;
  }

  .content-card-wide {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-contact {
    margin-bottom: 1.5rem;
  }

  .privacy-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category3 */
:root {
            --bg-primary: #061021;
            --bg-secondary: #0B1B33;
            --accent: #00E6A0;
            --accent-blue: #00C2FF;
            --purple: #9C6FFF;
            --hot: #FF4D8F;
            --text-main: #EEF4FF;
            --text-sub: #9AAECB;
            --text-weak: #617494;
            --glass-bg: rgba(255, 255, 255, 0.055);
            --glass-border: rgba(255, 255, 255, 0.10);
            --radius: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.35);
            --transition: all 0.3s ease;
            --section-pad: clamp(4rem, 8vw, 6.5rem) 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            background: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--accent);
            transition: var(--transition);
        }
        a:hover {
            color: #00ffb0;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 1rem;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }
        p {
            margin: 0 0 1rem;
        }
        .container {
            max-width: 75rem;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .row {
            margin-left: -0.9375rem;
            margin-right: -0.9375rem;
        }
        .columns {
            margin-bottom: 1.5rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            border-radius: 12px;
            padding: 0.875rem 2rem;
            font-size: 0.95rem;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #00E6A0, #00C2FF);
            color: #04121F;
            box-shadow: 0 0 28px rgba(0, 230, 160, 0.35);
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            transform: scale(1.02);
            color: #04121F;
        }
        .btn-primary:focus {
            outline: 2px solid rgba(0, 230, 160, 0.6);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            color: var(--accent);
            border: 1px solid rgba(0, 230, 160, 0.5);
        }
        .btn-outline:hover {
            background: rgba(0, 230, 160, 0.08);
            color: var(--accent);
        }
        .btn-outline:focus {
            outline: 2px solid rgba(0, 230, 160, 0.4);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 0.6rem 1.25rem;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 1rem 2.5rem;
            font-size: 1.05rem;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 230, 160, 0.08);
            border: 1px solid rgba(0, 230, 160, 0.25);
            color: var(--accent);
            line-height: 1.5;
        }
        .tag-purple {
            background: rgba(156, 111, 255, 0.1);
            border-color: rgba(156, 111, 255, 0.3);
            color: #B79FFF;
        }
        .tag-hot {
            background: linear-gradient(135deg, #FF4D8F, #FF7A59);
            border-color: transparent;
            color: #fff;
        }

        /* Topbar */
        .topbar {
            background: linear-gradient(180deg, rgba(4, 14, 28, 0.98), rgba(6, 16, 33, 0.94));
            border-bottom: 1px solid rgba(0, 230, 160, 0.25);
            min-height: 38px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 100;
        }
        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--text-sub);
        }
        .domain-text {
            font-weight: 600;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .topbar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.15);
        }
        .topbar-tip {
            color: var(--text-weak);
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .topbar-entry {
            font-size: 0.8rem;
            color: var(--text-sub);
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }
        .topbar-entry:hover {
            color: var(--accent);
            border-color: rgba(0, 230, 160, 0.4);
            background: rgba(0, 230, 160, 0.06);
        }

        /* Main Nav */
        .main-nav {
            background: rgba(6, 16, 33, 0.88);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 99;
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            transition: box-shadow 0.3s;
        }
        .main-nav.is-scrolled {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 230, 160, 0.2), rgba(0, 194, 255, 0.15));
            border: 1px solid rgba(0, 230, 160, 0.35);
            border-radius: 10px;
            color: var(--accent);
            font-size: 1rem;
            box-shadow: 0 0 18px rgba(0, 230, 160, 0.15);
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .logo-j9 {
            color: var(--accent);
            text-shadow: 0 0 16px rgba(0, 230, 160, 0.5);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-link {
            color: var(--text-sub);
            font-size: 0.95rem;
            font-weight: 600;
            position: relative;
            padding: 0.35rem 0;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(0, 230, 160, 0.5);
            transition: width 0.3s ease;
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--text-main);
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--accent);
        }
        .nav-cta {
            padding: 0.6rem 1.4rem;
            font-size: 0.85rem;
            margin-left: 0.5rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px 6px;
            z-index: 1200;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            margin: 5px 0;
            border-radius: 3px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Page Hero */
        .page-hero {
            background-image:
                linear-gradient(to bottom, rgba(6, 16, 33, 0.82), rgba(6, 16, 33, 0.92)),
                linear-gradient(rgba(0, 230, 160, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 230, 160, 0.04) 1px, transparent 1px),
                url('/assets/images/backpic/back-2.webp');
            background-size: auto, 36px 36px, 36px 36px, cover;
            background-position: center, top, top, center;
            padding: clamp(4rem, 8vw, 6.5rem) 0;
            position: relative;
            border-bottom: 1px solid rgba(0, 230, 160, 0.12);
        }
        .hero-content {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-content h1 {
            font-size: clamp(2.1rem, 5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 1.25rem;
            text-shadow: 0 0 30px rgba(0, 230, 160, 0.35);
        }
        .hero-content h1 span {
            color: var(--accent);
        }
        .hero-content .hero-sub {
            font-size: 1.05rem;
            color: var(--text-sub);
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-badges {
            margin-top: 2.5rem;
            display: flex;
            gap: 0.75rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .glass-chip {
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            font-size: 0.8rem;
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .glass-chip i {
            color: var(--accent);
        }

        /* Intro Section */
        .intro-section {
            padding: var(--section-pad);
            background: var(--bg-primary);
            position: relative;
        }
        .intro-section::before {
            content: "";
            position: absolute;
            top: 10%;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 230, 160, 0.08), transparent 70%);
            pointer-events: none;
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            position: relative;
            padding-left: 1.1rem;
            margin-bottom: 0.75rem;
        }
        .section-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.15em;
            width: 4px;
            height: 0.85em;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--accent), var(--accent-blue));
            box-shadow: 0 0 12px rgba(0, 230, 160, 0.5);
        }
        .section-header p {
            color: var(--text-sub);
            font-size: 0.95rem;
        }
        .intro-copy {
            color: var(--text-sub);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.95rem;
            color: var(--text-sub);
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 1.05rem;
            margin-top: 0.15rem;
            flex-shrink: 0;
        }
        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--glass-border);
        }
        .intro-media img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
        }
        .intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(6, 16, 33, 0.6));
            pointer-events: none;
        }
        .media-float-tag {
            position: absolute;
            left: 1.25rem;
            bottom: 1.25rem;
            background: rgba(6, 16, 33, 0.75);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 230, 160, 0.3);
            border-radius: 999px;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            z-index: 2;
        }
        .media-float-tag i {
            color: var(--accent);
        }

        /* Event Banner */
        .event-banner-section {
            padding: var(--section-pad);
            background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
        }
        .event-banner {
            background:
                linear-gradient(120deg, rgba(6, 16, 33, 0.93) 25%, rgba(11, 27, 51, 0.78)),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: clamp(2rem, 5vw, 3.5rem);
            border: 1px solid rgba(0, 230, 160, 0.2);
            position: relative;
            overflow: hidden;
        }
        .event-banner::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 230, 160, 0.15), transparent 70%);
            pointer-events: none;
        }
        .event-banner-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .event-banner-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .event-banner-content p {
            color: var(--text-sub);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 1.25rem;
        }
        .event-banner-tags {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .event-banner-content .btn {
            margin-top: 0.25rem;
        }

        /* Event Showcase */
        .event-showcase {
            padding: var(--section-pad);
            background: var(--bg-primary);
        }
        .event-intro-block {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            height: 100%;
            backdrop-filter: blur(18px) saturate(160%);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .event-intro-block::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-blue));
            box-shadow: 0 0 20px rgba(0, 230, 160, 0.4);
        }
        .event-intro-block h3 {
            font-size: 1.35rem;
            margin-bottom: 1rem;
        }
        .event-intro-block ul {
            margin-bottom: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .event-intro-block li {
            display: flex;
            align-items: flex-start;
            gap: 0.65rem;
            color: var(--text-sub);
            font-size: 0.95rem;
        }
        .event-intro-block li i {
            color: var(--accent);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .event-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            padding: 1.75rem;
            backdrop-filter: blur(18px) saturate(160%);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 230, 160, 0.4);
            box-shadow: var(--shadow-card), 0 0 40px rgba(0, 230, 160, 0.12);
        }
        .event-card .card-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 0.75rem;
        }
        .event-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 230, 160, 0.1);
            border: 1px solid rgba(0, 230, 160, 0.25);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .event-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .event-card p {
            color: var(--text-sub);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }
        .event-card .card-meta {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }
        .event-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .event-card .card-link:hover {
            text-decoration: underline;
        }
        .event-card-horizontal {
            flex-direction: row;
            align-items: center;
            gap: 1.25rem;
        }
        .event-card-horizontal .card-icon {
            flex-shrink: 0;
        }
        .event-card-horizontal .card-body {
            flex: 1;
        }
        .event-card-horizontal p {
            margin-bottom: 0.5rem;
        }
        .event-card-horizontal .card-meta {
            margin-bottom: 0;
        }

        /* Steps */
        .steps-section {
            padding: var(--section-pad);
            background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
        }
        .step-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            padding: 2rem 1.75rem;
            backdrop-filter: blur(18px);
            text-align: left;
            position: relative;
            height: 100%;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 230, 160, 0.35);
        }
        .step-num {
            position: absolute;
            top: 1.25rem;
            right: 1.5rem;
            font-size: 2rem;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.05);
            line-height: 1;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 230, 160, 0.15), rgba(0, 194, 255, 0.1));
            border: 1px solid rgba(0, 230, 160, 0.25);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: 1rem;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .step-card p {
            color: var(--text-sub);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Stats */
        .stats-section {
            padding: var(--section-pad);
            background: var(--bg-primary);
        }
        .stats-grid .columns:nth-child(2) .stat-card,
        .stats-grid .columns:nth-child(3) .stat-card {
            transform: translateY(12px);
        }
        .stat-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            backdrop-filter: blur(18px);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(0, 230, 160, 0.35);
            box-shadow: 0 0 30px rgba(0, 230, 160, 0.08);
        }
        .stat-num {
            font-size: clamp(1.8rem, 3vw, 2.75rem);
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
            margin-bottom: 0.4rem;
            text-shadow: 0 0 20px rgba(0, 230, 160, 0.3);
            font-family: "DIN Alternate", "Roboto Mono", monospace;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-sub);
        }

        /* FAQ */
        .faq-section {
            padding: var(--section-pad);
            background: var(--bg-secondary);
        }
        .faq-accordion {
            background: transparent;
            border: none;
            margin: 0;
        }
        .faq-accordion .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(0, 230, 160, 0.3);
        }
        .faq-accordion .accordion-item.is-active {
            border-color: rgba(0, 230, 160, 0.35);
            background: rgba(255, 255, 255, 0.07);
        }
        .faq-accordion .accordion-title {
            background: transparent;
            color: var(--text-main);
            border: none;
            font-size: 0.98rem;
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            position: relative;
            display: block;
            line-height: 1.5;
        }
        .faq-accordion .accordion-title:hover,
        .faq-accordion .accordion-title:focus {
            background: rgba(255, 255, 255, 0.03);
            color: var(--accent);
        }
        .faq-accordion .accordion-title::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.9rem;
            color: var(--accent);
            position: absolute;
            right: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
            transition: transform 0.3s ease;
            line-height: 1;
        }
        .faq-accordion .accordion-item.is-active .accordion-title::after {
            content: "\f068";
            transform: translateY(-50%) rotate(180deg);
        }
        .faq-accordion .accordion-content {
            background: transparent;
            border: none;
            color: var(--text-sub);
            padding: 0 1.5rem 1.5rem;
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-accordion .accordion-content p {
            margin-bottom: 0;
        }

        /* CTA */
        .cta-section {
            padding: var(--section-pad);
            background: var(--bg-primary);
        }
        .cta-card {
            background:
                linear-gradient(rgba(6, 16, 33, 0.88), rgba(6, 16, 33, 0.94)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3rem);
            text-align: center;
            border: 1px solid rgba(0, 230, 160, 0.15);
            position: relative;
            overflow: hidden;
        }
        .cta-card::after {
            content: "";
            position: absolute;
            bottom: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(0, 230, 160, 0.12), transparent 70%);
            pointer-events: none;
        }
        .cta-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(255, 77, 143, 0.2), rgba(255, 122, 89, 0.15));
            border: 1px solid rgba(255, 77, 143, 0.35);
            color: var(--hot);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
            box-shadow: 0 0 30px rgba(255, 77, 143, 0.15);
        }
        .cta-card h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-card p {
            color: var(--text-sub);
            font-size: 0.95rem;
            margin-bottom: 1.75rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 160, 0.2);
            padding-top: 3.5rem;
            position: relative;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 230, 160, 0.6), transparent);
        }
        .footer-brand .logo {
            margin-bottom: 1rem;
        }
        .footer-desc {
            color: var(--text-sub);
            font-size: 0.88rem;
            line-height: 1.75;
            margin-bottom: 1rem;
        }
        .footer-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .footer-column h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }
        .footer-links a {
            color: var(--text-sub);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-links a i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact p {
            color: var(--text-sub);
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .footer-contact a {
            color: var(--text-sub);
        }
        .footer-contact a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2.5rem;
            padding: 1.25rem 0;
        }
        .footer-bottom .copyright {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 1.25rem;
            }
            .nav-link {
                font-size: 0.88rem;
            }
            .nav-cta {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 320px;
                height: 100vh;
                background: rgba(6, 16, 33, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 90px 28px 32px;
                transition: right 0.35s ease;
                z-index: 1100;
                box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
                gap: 1.25rem;
                overflow-y: auto;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-link {
                font-size: 1rem;
                width: 100%;
                padding: 0.65rem 0;
            }
            .nav-link::after {
                display: none;
            }
            .nav-cta {
                display: inline-flex;
                margin-top: 1rem;
                margin-left: 0;
            }
            .topbar-tip {
                display: none;
            }
            .topbar-left {
                gap: 0.4rem;
            }
            .event-card-horizontal {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-grid .columns:nth-child(2) .stat-card,
            .stats-grid .columns:nth-child(3) .stat-card {
                transform: none;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 280px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .topbar-entry {
                font-size: 0.75rem;
                padding: 0.25rem 0.6rem;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .event-banner {
                padding: 1.75rem 1.25rem;
            }
            .event-banner-content h2 {
                font-size: 1.25rem;
            }
            .event-card {
                padding: 1.25rem;
            }
            .cta-card {
                padding: 2rem 1.25rem;
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
        }