/* roulang page: index */
:root{
  --bg-body:#080c16;
  --bg-deep:#05070f;
  --bg-card:#101a2c;
  --bg-card-hover:#16233b;
  --bg-soft:rgba(255,255,255,.03);
  --border-light:rgba(255,255,255,.08);
  --neon-primary:#00e5ff;
  --neon-secondary:#ffc846;
  --neon-pink:#ff2d78;
  --text-primary:#eef2f9;
  --text-secondary:#b7c3da;
  --text-muted:#7c8cac;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 16px 48px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.04);
  --shadow-neon:0 0 36px rgba(0,229,255,.18);
  --shadow-gold:0 0 36px rgba(255,200,70,.15);
  --transition-fast:.2s ease;
  --transition-slow:.4s cubic-bezier(.4,0,.2,1);
  --font-stack:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-body);
  color:var(--text-primary);
  font-family:var(--font-stack);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
a:hover{color:var(--neon-primary)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul,ol{list-style:none}
::selection{background:rgba(0,229,255,.25);color:#fff}
::-webkit-scrollbar{width:10px;height:8px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:#26334d;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#34456a}

.container{max-width:1280px}

/* ===== Buttons ===== */
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(135deg,var(--neon-primary),#00a6ff);
  color:#031018;border:none;border-radius:999px;
  padding:14px 32px;font-weight:700;font-size:15px;letter-spacing:.5px;
  transition:all var(--transition-fast);
  box-shadow:0 8px 28px rgba(0,229,255,.25);
}
.btn-neon:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(0,229,255,.4);color:#020a0f}
.btn-neon:active{transform:translateY(-1px) scale(.98)}
.btn-neon:focus{outline:3px solid rgba(0,229,255,.35);outline-offset:2px}

.btn-outline-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:rgba(0,229,255,.06);color:var(--neon-primary);
  border:1px solid rgba(0,229,255,.4);border-radius:999px;
  padding:13px 30px;font-weight:600;font-size:15px;letter-spacing:.5px;
  transition:all var(--transition-fast);
  backdrop-filter:blur(4px);
}
.btn-outline-neon:hover{background:rgba(0,229,255,.14);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-neon);border-color:var(--neon-primary)}
.btn-outline-neon:active{transform:translateY(-1px) scale(.98)}

.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(135deg,var(--neon-secondary),#f0a500);
  color:#1a1200;border:none;border-radius:999px;
  padding:14px 32px;font-weight:700;font-size:15px;letter-spacing:.5px;
  transition:all var(--transition-fast);
  box-shadow:0 8px 28px rgba(255,200,70,.22);
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(255,200,70,.38);color:#0e0a00}
.btn-gold:active{transform:translateY(-1px) scale(.98)}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(8,12,22,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-light);
  box-shadow:0 8px 30px rgba(0,0,0,.3);
}
.site-header::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,transparent,var(--neon-primary),transparent);
  opacity:.7;
}
.navbar{padding:16px 0;min-height:74px}
.navbar-brand{
  display:inline-flex;align-items:center;gap:12px;
  font-weight:800;font-size:22px;letter-spacing:1px;
  color:var(--text-primary) !important;
  transition:all var(--transition-fast);
}
.navbar-brand:hover{transform:scale(1.02)}
.brand-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--neon-primary),#0085ff);
  color:#021018;font-size:20px;font-weight:900;
  box-shadow:0 6px 20px rgba(0,229,255,.35);
}
.brand-text{
  background:linear-gradient(90deg,#fff,var(--neon-primary));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.navbar-nav{gap:8px}
.nav-link{
  color:var(--text-secondary) !important;
  font-weight:600;font-size:15px;letter-spacing:.3px;
  padding:10px 20px !important;border-radius:999px;
  position:relative;transition:all var(--transition-fast);
}
.nav-link::after{
  content:'';position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:20px;height:3px;border-radius:3px;
  background:var(--neon-primary);
  box-shadow:0 0 12px var(--neon-primary);
  transition:transform var(--transition-slow);
}
.nav-link:hover{color:#fff !important;background:rgba(255,255,255,.05)}
.nav-link.active{
  color:#fff !important;
  background:linear-gradient(135deg,rgba(0,229,255,.16),rgba(0,133,255,.08));
  box-shadow:inset 0 0 0 1px rgba(0,229,255,.35),0 0 20px rgba(0,229,255,.12);
}
.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.navbar-toggler{
  border:1px solid var(--border-light);background:transparent;
  border-radius:10px;color:var(--text-primary);
  padding:8px 12px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(0,229,255,.2);outline:none}
.navbar-toggler .bar{display:block;width:22px;height:2px;background:var(--text-primary);margin:5px 0;border-radius:2px;transition:all .3s}
.header-cta{margin-left:16px}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;align-items:center;
  padding:120px 0 100px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.72) 0%,rgba(5,7,15,.58) 45%,var(--bg-body) 100%);
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 70% 30%,rgba(0,229,255,.12),transparent 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.3);
  color:var(--neon-primary);font-size:13px;font-weight:600;
  padding:8px 20px;border-radius:999px;letter-spacing:1px;
  box-shadow:0 0 24px rgba(0,229,255,.12);
  margin-bottom:24px;
}
.hero-badge .pulse-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--neon-primary);
  animation:pulse 1.6s ease infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(0,229,255,.6)}
  50%{box-shadow:0 0 0 8px rgba(0,229,255,0)}
}
.hero h1{
  font-size:clamp(42px,7vw,82px);
  font-weight:900;line-height:1.12;letter-spacing:-1px;
  margin-bottom:16px;
  text-shadow:0 20px 60px rgba(0,0,0,.5);
}
.hero h1 .grad{
  background:linear-gradient(90deg,var(--neon-primary) 10%,var(--neon-secondary));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{
  font-size:17px;color:var(--text-secondary);
  max-width:620px;line-height:1.8;margin:0 0 44px;
  text-shadow:0 4px 20px rgba(0,0,0,.6);
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.countdown-wrap{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:20px 28px;
  backdrop-filter:blur(12px);
  max-width:660px;
}
.countdown-label{
  font-size:14px;color:var(--text-muted);font-weight:600;letter-spacing:1px;
  margin-right:8px;white-space:nowrap;
}
.countdown-item{
  display:flex;flex-direction:column;align-items:center;
  background:linear-gradient(160deg,rgba(0,229,255,.12),rgba(0,80,140,.06));
  border:1px solid rgba(0,229,255,.25);
  border-radius:var(--radius-md);
  padding:10px 16px;min-width:76px;
  box-shadow:inset 0 0 20px rgba(0,229,255,.06);
}
.countdown-item .num{
  font-size:30px;font-weight:800;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;
  text-shadow:0 0 20px rgba(0,229,255,.5);
}
.countdown-item .unit{font-size:12px;color:var(--text-muted);letter-spacing:1px;margin-top:2px}

/* ===== Section ===== */
.section{padding:96px 0;position:relative}
.section-deep{background:var(--bg-deep)}
.section-alt{background:linear-gradient(180deg,var(--bg-body),rgba(0,229,255,.02) 50%,var(--bg-body))}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--neon-primary);font-size:13px;font-weight:700;
  letter-spacing:2px;margin-bottom:12px;
}
.section-tag::before,.section-tag::after{
  content:'';display:block;width:28px;height:1px;
  background:linear-gradient(90deg,transparent,var(--neon-primary));
}
.section-tag::after{background:linear-gradient(90deg,var(--neon-primary),transparent)}
.section-title{
  font-size:clamp(30px,4vw,46px);font-weight:800;
  letter-spacing:-.5px;line-height:1.2;margin-bottom:12px;
}
.section-sub{color:var(--text-secondary);font-size:16px;line-height:1.7}

/* ===== Stats ===== */
.stats-section{
  background:linear-gradient(180deg,var(--bg-body),rgba(0,229,255,.03));
  padding:70px 0;
  margin-top:-1px;
}
.stats-section .container{
  background:linear-gradient(135deg,rgba(16,26,44,.8),rgba(8,12,22,.9));
  border:1px solid var(--border-light);
  border-radius:var(--radius-xl);
  padding:44px 40px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.stats-section .container::before{
  content:'';position:absolute;top:0;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,var(--neon-primary),transparent);
}
.stat-item{
  text-align:center;padding:8px 16px;
  position:relative;
}
.stat-item:not(:last-child)::after{
  content:'';position:absolute;right:0;top:20%;bottom:20%;width:1px;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.12),transparent);
}
.stat-icon{
  width:54px;height:54px;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;font-size:22px;color:var(--neon-primary);
  background:rgba(0,229,255,.09);
  border:1px solid rgba(0,229,255,.2);
  box-shadow:0 0 24px rgba(0,229,255,.1);
}
.stat-num{
  font-size:40px;font-weight:900;line-height:1.1;
  background:linear-gradient(120deg,#fff,var(--neon-primary));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:var(--text-muted);margin-top:8px;letter-spacing:.5px}

/* ===== Feature Cards ===== */
.feature-card{
  background:var(--bg-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all var(--transition-slow);
  height:100%;
  display:flex;flex-direction:column;
  position:relative;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--neon-primary),var(--neon-secondary));
  opacity:0;transition:opacity var(--transition-fast);
}
.feature-card:hover{
  transform:translateY(-8px);
  border-color:rgba(0,229,255,.3);
  box-shadow:var(--shadow-card),var(--shadow-neon);
}
.feature-card:hover::before{opacity:1}
.feature-img{position:relative;height:200px;overflow:hidden}
.feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.feature-card:hover .feature-img img{transform:scale(1.06)}
.feature-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(8,12,22,.85));
}
.feature-icon{
  position:absolute;bottom:14px;left:22px;z-index:2;
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;
  background:linear-gradient(135deg,var(--neon-primary),#0085ff);
  box-shadow:0 8px 24px rgba(0,229,255,.35);
}
.feature-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.feature-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feature-body p{color:var(--text-secondary);font-size:14.5px;line-height:1.75;flex:1;margin-bottom:18px}

/* ===== Category Cards ===== */
.category-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  display:block;height:330px;border:1px solid var(--border-light);
  transition:all var(--transition-slow);
}
.category-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.category-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.15) 0%,rgba(5,7,15,.45) 50%,rgba(5,7,15,.9) 100%);
}
.category-card:hover{transform:translateY(-6px);border-color:rgba(0,229,255,.35);box-shadow:var(--shadow-card),var(--shadow-neon)}
.category-card:hover img{transform:scale(1.07)}
.category-card .cat-body{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 28px;
}
.category-card .cat-tag{
  display:inline-block;
  background:rgba(0,229,255,.15);border:1px solid rgba(0,229,255,.35);
  color:var(--neon-primary);font-size:12px;font-weight:700;
  letter-spacing:1px;border-radius:999px;padding:5px 16px;margin-bottom:12px;
}
.category-card h3{font-size:26px;font-weight:800;margin-bottom:8px;color:#fff}
.category-card p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.65;margin-bottom:14px}
.category-card .cat-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--neon-secondary);font-weight:600;font-size:14px;
}
.category-card .cat-arrow i{transition:transform var(--transition-fast)}
.category-card:hover .cat-arrow i{transform:translateX(6px)}

/* ===== News List ===== */
.news-item{
  display:block;background:var(--bg-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:24px 26px;
  transition:all var(--transition-slow);
  height:100%;
  position:relative;overflow:hidden;
}
.news-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--neon-primary),var(--neon-pink));
  opacity:0;transition:opacity var(--transition-fast);
}
.news-item:hover{
  background:var(--bg-card-hover);transform:translateY(-4px);
  border-color:rgba(0,229,255,.25);box-shadow:var(--shadow-card);
}
.news-item:hover::before{opacity:1}
.news-badge{
  display:inline-block;
  background:rgba(255,200,70,.12);border:1px solid rgba(255,200,70,.3);
  color:var(--neon-secondary);font-size:12px;font-weight:700;
  border-radius:999px;padding:4px 14px;margin-bottom:14px;letter-spacing:.5px;
}
.news-item h3{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;color:var(--text-primary)}
.news-item:hover h3{color:var(--neon-primary)}
.news-item p{
  color:var(--text-secondary);font-size:14px;line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.news-time{color:var(--text-muted);font-size:13px;letter-spacing:.3px}
.news-more{
  color:var(--neon-primary);font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.news-more i{transition:transform var(--transition-fast)}
.news-item:hover .news-more i{transform:translateX(4px)}

/* ===== Timeline ===== */
.timeline-wrap{
  margin-top:20px;position:relative;
}
.timeline-wrap::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,var(--neon-primary),var(--neon-secondary),transparent);
  opacity:.35;
  border-radius:2px;
}
.timeline-item{
  display:flex;justify-content:center;
  position:relative;margin-bottom:48px;
}
.timeline-item:last-child{margin-bottom:0}
.timeline-dot{
  position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:18px;height:18px;border-radius:50%;
  background:var(--bg-body);
  border:3px solid var(--neon-primary);
  box-shadow:0 0 20px rgba(0,229,255,.5);
  z-index:2;
}
.timeline-card{
  width:calc(50% - 52px);
  background:var(--bg-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:24px;
  transition:all var(--transition-slow);
}
.timeline-item:nth-child(odd) .timeline-card{margin-right:auto}
.timeline-item:nth-child(even) .timeline-card{margin-left:auto}
.timeline-card:hover{
  border-color:rgba(0,229,255,.3);
  box-shadow:var(--shadow-card),var(--shadow-neon);
  transform:translateY(-4px);
}
.timeline-step{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:1px;
  color:var(--bg-body);background:var(--neon-primary);
  padding:4px 14px;border-radius:999px;margin-bottom:12px;
}
.timeline-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.timeline-card p{color:var(--text-secondary);font-size:14px;line-height:1.7;margin:0}

/* ===== Theme Scroller ===== */
.theme-scroller{
  display:flex;gap:24px;overflow-x:auto;
  padding:10px 4px 30px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.theme-scroller::-webkit-scrollbar{height:6px}
.theme-scroller::-webkit-scrollbar-thumb{background:#26334d;border-radius:6px}
.theme-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--bg-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:all var(--transition-slow);
}
.theme-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,255,.3);
  box-shadow:var(--shadow-card),var(--shadow-neon);
}
.theme-card .theme-cover{position:relative;height:180px;overflow:hidden}
.theme-card .theme-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.theme-card:hover .theme-cover img{transform:scale(1.06)}
.theme-card .theme-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(8,12,22,.8));
}
.theme-card .theme-name{
  position:absolute;left:18px;bottom:14px;z-index:2;
  font-size:18px;font-weight:800;color:#fff;
  text-shadow:0 4px 16px rgba(0,0,0,.6);
}
.theme-card .theme-body{padding:20px 22px 24px}
.theme-card .theme-body p{
  color:var(--text-secondary);font-size:14px;line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.theme-tags{display:flex;gap:8px;flex-wrap:wrap}
.theme-tags .tag{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--text-muted);background:rgba(255,255,255,.05);
  border:1px solid var(--border-light);
  padding:4px 12px;border-radius:999px;
  transition:all var(--transition-fast);
}
.theme-tags .tag:hover{color:var(--neon-primary);border-color:rgba(0,229,255,.3)}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--transition-fast),box-shadow var(--transition-fast);
}
.faq-item:hover{border-color:rgba(0,229,255,.2);box-shadow:var(--shadow-neon)}
.faq-q{
  display:flex;align-items:center;gap:16px;
  padding:22px 26px;cursor:pointer;
  font-weight:600;font-size:16px;color:var(--text-primary);
  transition:color var(--transition-fast);
  background:transparent;border:none;width:100%;text-align:left;
}
.faq-q:hover{color:var(--neon-primary)}
.faq-q .q-num{
  flex-shrink:0;
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--neon-primary);
  background:rgba(0,229,255,.1);
  border:1px solid rgba(0,229,255,.2);
}
.faq-q .q-icon{
  margin-left:auto;font-size:14px;color:var(--neon-primary);
  transition:transform var(--transition-slow);
  flex-shrink:0;
}
.faq-item[data-open="true"] .q-icon{transform:rotate(45deg)}
.faq-item[data-open="true"]{border-color:rgba(0,229,255,.25)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--transition-slow);
}
.faq-item[data-open="true"] .faq-a{max-height:300px}
.faq-a-inner{
  padding:0 26px 24px 74px;
  color:var(--text-secondary);font-size:15px;line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:110px 0;
  background:url('/assets/images/backpic/back-3.png') center/cover fixed no-repeat;
  overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,7,15,.92),rgba(5,7,15,.72) 70%,rgba(0,229,255,.2));
}
.cta-section .container{position:relative;z-index:2;text-align:center}
.cta-title{
  font-size:clamp(32px,5vw,52px);font-weight:900;letter-spacing:-.5px;
  margin-bottom:14px;
}
.cta-title .grad{
  background:linear-gradient(90deg,var(--neon-primary),var(--neon-secondary));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.cta-sub{color:var(--text-secondary);font-size:17px;margin-bottom:40px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--border-light);
  padding-top:70px;
  position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:15%;right:15%;height:1px;
  background:linear-gradient(90deg,transparent,var(--neon-primary),transparent);
}
.footer-brand{
  font-size:24px;font-weight:800;
  display:inline-flex;align-items:center;gap:12px;margin-bottom:14px;
}
.footer-brand .brand-icon{width:40px;height:40px;font-size:18px;border-radius:10px}
.footer-desc{color:var(--text-muted);font-size:14px;line-height:1.75;max-width:330px;margin-bottom:24px}
.footer-title{
  font-size:15px;font-weight:700;letter-spacing:1px;
  margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-title::after{
  content:'';position:absolute;left:0;bottom:0;
  width:28px;height:2px;background:var(--neon-primary);border-radius:2px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:var(--text-muted);font-size:14px;
  display:inline-flex;align-items:center;gap:8px;
  transition:all var(--transition-fast);
}
.footer-links a i{font-size:11px;color:var(--neon-primary);opacity:.7;transition:all var(--transition-fast)}
.footer-links a:hover{color:var(--neon-primary);transform:translateX(4px)}
.footer-links a:hover i{opacity:1}
.footer-contact li{
  color:var(--text-muted);font-size:14px;
  display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;
}
.footer-contact i{color:var(--neon-primary);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:56px;padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
.footer-copy{color:var(--text-muted);font-size:13px}
.footer-copy a{color:var(--text-secondary)}
.footer-copy a:hover{color:var(--neon-primary)}

/* ===== Empty State ===== */
.empty-tip{
  text-align:center;padding:50px 20px;
  background:var(--bg-card);border:1px dashed rgba(255,255,255,.15);
  border-radius:var(--radius-md);color:var(--text-muted);font-size:15px;
}

/* ===== Section Divider ===== */
.divider-star{
  display:flex;align-items:center;justify-content:center;gap:18px;
  margin:20px auto 0;
}
.divider-star .line{width:60px;height:1px;background:linear-gradient(90deg,transparent,var(--neon-primary));}
.divider-star .line.right{background:linear-gradient(90deg,var(--neon-primary),transparent)}
.divider-star i{color:var(--neon-secondar);font-size:14px;animation:spin 6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== Scroll Animations ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .stat-num{font-size:32px}
  .hero{padding:100px 0 80px}
}
@media (max-width:991px){
  .site-header{position:sticky}
  .navbar-collapse{
    background:var(--bg-deep);border-radius:var(--radius-md);
    padding:18px;margin-top:14px;
    border:1px solid var(--border-light);
    box-shadow:var(--shadow-card);
  }
  .navbar-nav{gap:4px}
  .nav-link{padding:12px 18px !important}
  .nav-link::after{display:none}
  .header-cta{margin-left:0;margin-top:12px}
  .header-cta .btn-neon{width:100%}
  .stat-item:not(:last-child)::after{display:none}
  .timeline-wrap::before{left:12px;transform:none}
  .timeline-dot{left:12px;transform:none}
  .timeline-card{width:calc(100% - 40px)}
  .timeline-item:nth-child(odd) .timeline-card,
  .timeline-item:nth-child(even) .timeline-card{margin-left:40px;margin-right:0}
  .theme-card{flex:0 0 280px}
  .hero{min-height:auto}
  .hero-sub{font-size:15px}
  .cta-section{background-attachment:scroll}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .hero{padding:80px 0 60px}
  .hero h1{font-size:36px}
  .hero-btns .btn-neon,.hero-btns .btn-gold{width:100%}
  .countdown-wrap{padding:16px;gap:8px;flex-direction:column;align-items:flex-start}
  .countdown-label{margin-bottom:6px}
  .countdown-item{min-width:64px;padding:8px 12px}
  .countdown-item .num{font-size:22px}
  .feature-card{max-width:420px;margin:0 auto}
  .category-card{height:280px}
  .stats-section .container{padding:32px 20px}
  .stat-num{font-size:28px}
  .stat-item{padding:16px 8px}
  .timeline-marker{display:none}
  .footer-bottom{justify-content:center;text-align:center}
  .section-head{margin-bottom:40px}
}
@media (max-width:575px){
  .hero h1{font-size:30px}
  .hero-badge{font-size:12px;padding:6px 14px}
  .btn-neon,.btn-gold,.btn-outline-neon{width:100%;padding:13px 20px}
  .news-item{padding:20px}
  .total-cta{padding:80px 0}
  .section-title{font-size:26px}
  .countdown-item{min-width:58px}
  .event-stats .num{font-size:30px}
}

/* roulang page: category1 */
:root {
            --primary: #e50914;
            --primary-dark: #b0060f;
            --primary-light: #ff4d55;
            --accent: #ffd700;
            --accent-glow: rgba(255, 215, 0, 0.25);
            --bg-dark: #0a0e17;
            --bg-deep: #060a12;
            --bg-card: #111827;
            --bg-card-hover: #1a2332;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-neon: rgba(229, 9, 20, 0.4);
            --text-main: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding: 96px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 64px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: var(--text-main);
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.75rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(6, 10, 18, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
            border-bottom-color: var(--border-neon);
        }

        .navbar {
            padding: 16px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(229, 9, 20, 0.3);
        }

        .brand-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            background: linear-gradient(90deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: 100px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width 0.3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-main) !important;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 60%;
        }

        .btn-neon {
            background: linear-gradient(135deg, var(--primary), #ff6b35);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 100px;
            border: none;
            box-shadow: 0 0 20px rgba(229, 9, 20, 0.3), 0 4px 15px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-neon:hover,
        .btn-neon:focus {
            background: linear-gradient(135deg, var(--primary-dark), #e6502a);
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(229, 9, 20, 0.5), 0 8px 25px rgba(0, 0, 0, 0.4);
            color: #fff;
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 10px;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .navbar-toggler .bar {
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        .navbar-toggler:not(.collapsed) .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler:not(.collapsed) .bar:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler:not(.collapsed) .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--bg-card);
                border-radius: var(--radius-md);
                padding: 20px;
                margin-top: 12px;
                border: 1px solid var(--border-color);
            }

            .navbar-nav {
                flex-direction: column;
                gap: 4px;
                margin-bottom: 16px;
            }

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

            .nav-link::after {
                display: none;
            }

            .header-cta {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Page Hero / Banner ===== */
        .category-hero {
            background: linear-gradient(135deg, rgba(6, 10, 18, 0.85), rgba(17, 24, 39, 0.75)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 180px 0 120px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at top right, rgba(229, 9, 20, 0.15), transparent 60%);
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 100px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: clamp(2.4rem, 5.5vw, 3.8rem);
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.15;
            color: var(--text-main);
        }

        .category-hero h1 .highlight {
            background: linear-gradient(90deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 36px;
        }

        .hero-stats .stat-item {
            text-align: left;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
            display: block;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 140px 0 80px;
            }
            .hero-stats {
                gap: 24px;
                margin-bottom: 28px;
            }
            .stat-value {
                font-size: 1.6rem;
            }
        }

        /* ===== Match Cards ===== */
        .match-section {
            padding: 80px 0;
            background: var(--bg-dark);
        }

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

        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

        .match-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .match-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            border-color: var(--border-neon);
            box-shadow: var(--shadow-hover);
        }

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

        .match-card .cover-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .match-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .match-card:hover .cover-wrap img {
            transform: scale(1.05);
        }

        .match-card .cover-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.6));
            display: flex;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 16px;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(229, 9, 20, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 100px;
            backdrop-filter: blur(4px);
        }

        .status-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-dot 1.2s infinite;
        }

        .status-badge.live {
            background: rgba(229, 9, 20, 0.95);
        }

        .status-badge.upcoming {
            background: rgba(255, 215, 0, 0.9);
            color: #0a0e17;
        }

        .status-badge.upcoming::before {
            animation: none;
            background: #0a0e17;
        }

        .status-badge.finished {
            background: rgba(100, 116, 139, 0.9);
        }

        .status-badge.finished::before {
            animation: none;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        .match-card .card-body {
            padding: 24px;
        }

        .match-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .match-meta .category-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 3px 12px;
            border-radius: 100px;
        }

        .match-meta .match-time {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .match-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.5;
            color: var(--text-main);
        }

        .match-card .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .match-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }

        .match-footer .score {
            font-size: 1rem;
            font-weight: 800;
            color: var(--accent);
        }

        .match-footer .match-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .match-footer .match-link:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 40px;
        }

        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-tabs .filter-btn {
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 100px;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }

        .filter-tabs .filter-btn:hover {
            color: var(--text-main);
            border-color: var(--border-color);
        }

        .filter-tabs .filter-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 0 15px rgba(229, 9, 20, 0.25);
        }

        .filter-search {
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 6px 6px 6px 16px;
            min-width: 260px;
        }

        .filter-search input {
            background: transparent;
            border: none;
            color: var(--text-main);
            flex: 1;
            font-size: 14px;
            padding: 6px 0;
        }

        .filter-search input::placeholder {
            color: var(--text-muted);
        }

        .filter-search .btn-search {
            background: var(--primary);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-search .btn-search:hover {
            background: var(--primary-dark);
        }

        @media (max-width: 768px) {
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-search {
                min-width: 100%;
            }
        }

        /* ===== League / Calendar ===== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        @media (max-width: 992px) {
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .league-grid {
                grid-template-columns: 1fr;
            }
        }

        .league-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }

        .league-card:hover {
            border-color: var(--border-neon);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .league-card .league-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }

        .league-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .league-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .league-card .match-count {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== Featured Match ===== */
        .featured-match {
            background: linear-gradient(135deg, rgba(17, 24, 39, 0.95), rgba(6, 10, 18, 0.9)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 56px;
            margin-bottom: 80px;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .featured-match::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(229, 9, 20, 0.15), transparent 70%);
            pointer-events: none;
        }

        .featured-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #0a0e17;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 24px;
        }

        .featured-match h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .featured-match .lead {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 520px;
            margin-bottom: 24px;
        }

        .featured-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 32px;
        }

        .featured-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .featured-meta i {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .featured-match {
                padding: 32px 20px;
            }
            .featured-match h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== CTA Block ===== */
        .cta-block {
            padding: 80px 0;
            background: var(--bg-deep);
            position: relative;
        }

        .cta-inner {
            background: linear-gradient(135deg, rgba(229, 9, 20, 0.1), rgba(255, 215, 0, 0.05)), var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 64px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .cta-inner h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .cta-inner .btn-neon {
            font-size: 1.05rem;
            padding: 14px 36px;
        }

        @media (max-width: 768px) {
            .cta-inner {
                padding: 40px 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-dark);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-neon);
            background: var(--bg-card-hover);
        }

        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h3 i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        .faq-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            padding-left: 24px;
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 48px;
        }

        .pagination {
            gap: 8px;
        }

        .page-link {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm) !important;
            transition: var(--transition);
        }

        .page-link:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-neon);
            color: var(--text-main);
        }

        .page-item.active .page-link {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
            color: #fff;
            box-shadow: 0 0 15px rgba(229, 9, 20, 0.3);
        }

        .page-item.disabled .page-link {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding-top: 80px;
            padding-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
        }

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

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 360px;
        }

        .footer-contact ul {
            padding: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 18px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 36px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            text-decoration: none;
            padding-left: 4px;
        }

        .footer-links i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 56px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
        }

        .footer-copy {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-copy a {
            color: var(--text-secondary);
        }

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

        /* ===== Scroll Smooth & focus ===== */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.8s ease both;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 20px rgba(229, 9, 20, 0.3);
            transition: var(--transition);
            z-index: 100;
            opacity: 0;
            pointer-events: none;
        }

        .back-top.show {
            opacity: 1;
            pointer-events: all;
        }

        .back-top:hover {
            transform: translateY(-4px);
            background: var(--primary-dark);
        }

        @media (max-width: 576px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
            }
        }

/* roulang page: article */
:root {
    --bg-deep: #080b14;
    --bg-body: #0b1120;
    --bg-card: #111a2c;
    --bg-elev: #172238;
    --neon-primary: #00e5a0;
    --neon-secondary: #7c5cff;
    --neon-glow: rgba(0, 229, 160, 0.15);
    --text-main: #eef2f8;
    --text-body: #b6c2d4;
    --text-weak: #7a8aa5;
    --border-glass: rgba(255, 255, 255, 0.08);
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 44px rgba(0, 229, 160, 0.10);
    --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-body);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: all .3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1260px; padding-left: 1.25rem; padding-right: 1.25rem; }
::selection { background: rgba(0, 229, 160, 0.25); color: #fff; }

/* ---------- 导航 ---------- */
.site-header {
    background: rgba(8, 11, 20, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 1050;
}
.site-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-primary), var(--neon-secondary), transparent);
    opacity: .7;
    pointer-events: none;
}
.navbar { padding: .85rem 0; }
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
}
.navbar-brand:hover { color: var(--neon-primary); }
.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: #08101c;
    box-shadow: var(--shadow-glow);
    transition: transform .3s ease;
}
.navbar-brand:hover .brand-icon { transform: rotate(-6deg) scale(1.05); }
.brand-text { letter-spacing: .02em; }
.navbar-nav { gap: .35rem; }
.navbar-nav .nav-link {
    color: var(--text-body);
    font-weight: 500;
    font-size: .98rem;
    padding: .55rem 1.05rem;
    border-radius: 999px;
    position: relative;
    transition: all .3s ease;
}
.navbar-nav .nav-link:hover {
    color: var(--neon-primary);
    background: rgba(0, 229, 160, 0.06);
    text-shadow: 0 0 18px rgba(0, 229, 160, 0.3);
}
.navbar-nav .nav-link.active {
    color: var(--neon-primary);
    background: rgba(0, 229, 160, 0.10);
    box-shadow: inset 0 0 0 1px rgba(0, 229, 160, 0.25), 0 0 24px rgba(0, 229, 160, 0.08);
}
.navbar-toggler {
    border: none;
    padding: .4rem .5rem;
    background: transparent;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler .bar {
    width: 26px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all .3s ease;
}
.navbar-toggler:hover .bar { background: var(--neon-primary); }
.btn-neon {
    background: linear-gradient(135deg, var(--neon-primary), #00b3d1);
    color: #08101c;
    border: none;
    font-weight: 700;
    border-radius: 999px;
    padding: .6rem 1.35rem;
    font-size: .95rem;
    box-shadow: 0 0 24px rgba(0, 229, 160, 0.18);
    transition: all .3s ease;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
}
.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 36px rgba(0, 229, 160, 0.3);
    color: #08101c;
}
.btn-neon:active { transform: translateY(0) scale(.98); }
.btn-outline-neon {
    background: transparent;
    border: 1.5px solid rgba(0, 229, 160, 0.6);
    color: var(--neon-primary);
    border-radius: 999px;
    padding: .6rem 1.35rem;
    font-weight: 600;
    font-size: .95rem;
    transition: all .3s ease;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
}
.btn-outline-neon:hover {
    background: rgba(0, 229, 160, 0.1);
    box-shadow: 0 0 28px rgba(0, 229, 160, 0.15);
    color: var(--neon-primary);
    transform: translateY(-2px);
}
.header-cta { margin-left: .5rem; }
@media (max-width: 991.98px) {
    .navbar-collapse { padding: 1rem 0; }
    .navbar-nav { gap: .15rem; }
    .header-cta { margin-left: 0; margin-top: .6rem; }
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-glass);
    padding: 5rem 0 2.5rem;
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0,229,160,.5), rgba(124,92,255,.5), transparent);
    opacity: .5;
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1.2rem;
}
.footer-brand:hover { color: var(--neon-primary); }
.footer-desc {
    color: var(--text-weak);
    font-size: .95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    max-width: 420px;
}
.footer-contact ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .45rem; }
.footer-contact li { color: var(--text-body); font-size: .92rem; display: flex; align-items: center; gap: .55rem; }
.footer-contact i { color: var(--neon-primary); width: 18px; text-align: center; }
.footer-title {
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.3rem;
    position: relative;
    padding-bottom: .6rem;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--neon-primary);
    border-radius: 2px;
}
.footer-links li { margin-bottom: .55rem; }
.footer-links a {
    color: var(--text-body);
    font-size: .92rem;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    transition: all .3s ease;
}
.footer-links a i { font-size: .72rem; color: var(--text-weak); transition: all .3s ease; }
.footer-links a:hover { color: var(--neon-primary); transform: translateX(3px); }
.footer-links a:hover i { color: var(--neon-primary); }
.footer-bottom {
    border-top: 1px solid var(--border-glass);
    padding-top: 2rem;
    margin-top: 3.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: .8rem;
}
.footer-copy { color: var(--text-weak); font-size: .88rem; }
.footer-copy a { color: var(--text-body); }
.footer-copy a:hover { color: var(--neon-primary); }
@media (max-width: 768px) {
    .site-footer { padding: 3.5rem 0 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------- 文章页 Hero ---------- */
.page-hero {
    position: relative;
    padding: 5.5rem 0 5rem;
    background: linear-gradient(135deg, rgba(8,11,20,.88), rgba(8,11,20,.72)), url('/assets/images/backpic/back-2.png') no-repeat center center/cover;
    border-bottom: 1px solid var(--border-glass);
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(0,229,160,.12), transparent 70%);
    pointer-events: none;
}
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(180deg, transparent, var(--bg-body));
    pointer-events: none;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: 1.5rem;
    font-size: .88rem;
    color: var(--text-weak);
}
.breadcrumb-nav a { color: var(--text-weak); }
.breadcrumb-nav a:hover { color: var(--neon-primary); }
.breadcrumb-nav i { font-size: .65rem; color: var(--text-weak); opacity: .6; }
.breadcrumb-nav span { color: var(--text-body); max-width: 280px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: bottom; }
.badge-category {
    display: inline-block;
    background: linear-gradient(135deg, rgba(0,229,160,.16), rgba(124,92,255,.16));
    border: 1px solid rgba(0,229,160,.35);
    color: var(--neon-primary);
    font-size: .82rem;
    font-weight: 600;
    padding: .3rem .9rem;
    border-radius: 999px;
    margin-bottom: 1.1rem;
}
.page-hero h1 {
    color: var(--text-main);
    font-size: clamp(1.8rem, 3.2vw, 2.9rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 1.2rem;
    max-width: 900px;
    text-shadow: 0 2px 30px rgba(0, 0, 0, .3);
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
    font-size: .9rem;
    color: var(--text-weak);
}
.article-meta span { display: inline-flex; align-items: center; gap: .45rem; }
.article-meta i { color: var(--neon-primary); font-size: .85rem; }
@media (max-width: 768px) {
    .page-hero { padding: 3.2rem 0; }
    .page-hero h1 { font-size: 1.55rem; }
}

/* ---------- 文章正文区 ---------- */
.article-section { padding: 4.5rem 0 3rem; position: relative; }
.article-main-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2.8rem;
    box-shadow: var(--shadow-card);
}
.article-content {
    font-size: 1.04rem;
    line-height: 1.95;
    color: var(--text-body);
    word-break: break-word;
}
.article-content p { margin-bottom: 1.5rem; }
.article-content h2, .article-content h3, .article-content h4 {
    color: var(--text-main);
    font-weight: 700;
    margin-top: 2.4rem;
    margin-bottom: 1.2rem;
    line-height: 1.4;
}
.article-content h2 { font-size: 1.55rem; }
.article-content h3 { font-size: 1.3rem; }
.article-content img { border-radius: var(--radius-md); margin: 1.5rem 0; box-shadow: 0 8px 30px rgba(0,0,0,.3); }
.article-content blockquote {
    border-left: 3px solid var(--neon-primary);
    background: rgba(0,229,160,.06);
    padding: 1.2rem 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-main);
    margin: 1.5rem 0;
    font-style: italic;
}
.article-content ul, .article-content ol {
    margin: 1rem 0 1.5rem;
    padding-left: 1.4rem;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: .55rem; }
.article-content a { color: var(--neon-primary); border-bottom: 1px solid transparent; }
.article-content a:hover { border-bottom-color: var(--neon-primary); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .95rem; }
.article-content th, .article-content td { border: 1px solid var(--border-glass); padding: .7rem 1rem; text-align: left; }
.article-content th { background: var(--bg-elev); color: var(--text-main); font-weight: 600; }
.article-content hr { border: none; border-top: 1px solid var(--border-glass); margin: 2.5rem 0; }
.article-content code {
    background: rgba(124, 92, 255, .15);
    color: #a78bfa;
    padding: .15rem .4rem;
    border-radius: 4px;
    font-size: .9em;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-glass);
}
.tag-link {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border-glass);
    color: var(--text-body);
    padding: .3rem .9rem;
    border-radius: 999px;
    font-size: .82rem;
    transition: all .3s ease;
}
.tag-link:hover { color: var(--neon-primary); border-color: rgba(0,229,160,.4); background: rgba(0,229,160,.05); }

/* ---------- 侧边栏 ---------- */
.article-sidebar { display: flex; flex-direction: column; gap: 1.6rem; }
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    box-shadow: var(--shadow-card);
}
.sidebar-card h3 {
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: .55rem;
}
.sidebar-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--neon-primary);
    border-radius: 2px;
}
.sidebar-summary { color: var(--text-body); font-size: .93rem; line-height: 1.8; }
.sidebar-nav-list { display: flex; flex-direction: column; gap: .6rem; }
.sidebar-nav-list a {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .7rem 1rem;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-body);
    font-size: .92rem;
    font-weight: 500;
    transition: all .3s ease;
}
.sidebar-nav-list a i { color: var(--neon-primary); font-size: .9rem; }
.sidebar-nav-list a:hover {
    background: rgba(0,229,160,.08);
    border-color: rgba(0,229,160,.3);
    color: var(--neon-primary);
    transform: translateX(3px);
}
.step-mini { display: flex; flex-direction: column; gap: 1rem; }
.step-mini-item { display: flex; gap: .9rem; align-items: flex-start; }
.step-num {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
    color: #08101c;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    font-weight: 800;
    box-shadow: var(--shadow-glow);
}
.step-mini-item p { font-size: .88rem; color: var(--text-body); line-height: 1.65; }
@media (max-width: 991.98px) {
    .article-sidebar { margin-top: 2rem; }
}
@media (max-width: 768px) {
    .article-main-card { padding: 1.5rem; }
    .article-content { font-size: .98rem; }
}

/* ---------- 相关推荐 ---------- */
.related-section {
    padding: 4.5rem 0;
    background: var(--bg-deep);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    position: relative;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.8rem;
}
.section-title {
    color: var(--text-main);
    font-weight: 800;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin: 0;
    position: relative;
}
.section-title span {
    color: var(--neon-primary);
}
.section-sub { color: var(--text-weak); font-size: .92rem; margin-top: .4rem; }
.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    transition: all .35s ease;
}
.related-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0,229,160,.35);
    box-shadow: 0 16px 48px rgba(0,0,0,.45), 0 0 28px rgba(0,229,160,.08);
}
.related-card .card-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
}
.related-card .card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.related-card:hover .card-thumb img { transform: scale(1.06); }
.related-card .card-thumb::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, transparent, rgba(8,11,20,.8));
}
.related-card .card-body {
    padding: 1.4rem 1.5rem 1.6rem;
}
.related-card .badge-tag {
    display: inline-block;
    background: rgba(0,229,160,.12);
    color: var(--neon-primary);
    font-size: .75rem;
    font-weight: 600;
    padding: .2rem .8rem;
    border-radius: 999px;
    margin-bottom: .7rem;
}
.related-card h3 {
    color: var(--text-main);
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: .5rem;
    transition: color .3s ease;
}
.related-card:hover h3 { color: var(--neon-primary); }
.related-card p {
    color: var(--text-weak);
    font-size: .88rem;
    line-height: 1.65;
    margin-bottom: 0;
}
@media (max-width: 991.98px) {
    .related-card { margin-bottom: 0; }
}
@media (max-width: 768px) {
    .related-section { padding: 3rem 0; }
}

/* ---------- FAQ ---------- */
.faq-section { padding: 4.5rem 0; background: var(--bg-body); }
.accordion-custom { display: flex; flex-direction: column; gap: 1rem; }
.accordion-item-custom {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md) !important;
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease;
}
.accordion-item-custom:hover { border-color: rgba(0,229,160,.2); }
.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    text-align: left;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: color .3s ease;
}
.faq-question:hover { color: var(--neon-primary); }
.faq-question i {
    color: var(--neon-primary);
    font-size: .8rem;
    transition: transform .35s ease;
    flex-shrink: 0;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s ease, padding .45s ease;
    padding: 0 1.5rem;
    color: var(--text-body);
    font-size: .93rem;
    line-height: 1.8;
}
.faq-answer p { margin-bottom: .6rem; }
.faq-answer p:last-child { margin-bottom: 0; }
@media (max-width: 768px) {
    .faq-section { padding: 3rem 0; }
}

/* ---------- CTA ---------- */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(0,229,160,.05), rgba(124,92,255,.06)), var(--bg-deep);
    border-top: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,229,160,.08), transparent 65%);
    pointer-events: none;
}
.cta-inner {
    position: relative;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}
.cta-inner h2 {
    color: var(--text-main);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 1rem;
}
.cta-inner p {
    color: var(--text-body);
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .cta-section { padding: 3.5rem 0; }
    .cta-buttons { flex-direction: column; }
    .cta-buttons .btn { width: 100%; justify-content: center; }
}

/* ---------- 404/内容未找到 ---------- */
.not-found {
    text-align: center;
    padding: 3rem 1rem;
}
.not-found i {
    font-size: 3rem;
    color: var(--neon-primary);
    margin-bottom: 1.2rem;
    display: inline-block;
    opacity: .8;
}
.not-found h2 {
    color: var(--text-main);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: .8rem;
}
.not-found p {
    color: var(--text-weak);
    font-size: 1rem;
    margin-bottom: 1.8rem;
}

/* ---------- 通用 ---------- */
.section-pad { padding: 4.5rem 0; }
.text-neon { color: var(--neon-primary) !important; }
.bg-deep { background: var(--bg-deep); }
.divider-glow { width: 64px; height: 3px; background: linear-gradient(90deg, var(--neon-primary), var(--neon-secondary)); border-radius: 3px; margin-bottom: 1.2rem; }
@media (max-width: 520px) {
    .article-meta { gap: .8rem; }
    .page-hero h1 { font-size: 1.4rem; }
    .sidebar-card { padding: 1.4rem; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #00e0ff;
            --primary-rgb: 0, 224, 255;
            --primary-soft: rgba(0, 224, 255, 0.10);
            --primary-border: rgba(0, 224, 255, 0.28);
            --secondary: #ff2d95;
            --secondary-soft: rgba(255, 45, 149, 0.12);
            --bg-body: #0a0e17;
            --bg-soft: #0e1420;
            --bg-card: #131b2b;
            --bg-card-hover: #182238;
            --border: rgba(148, 163, 184, 0.14);
            --text-main: #eef2f8;
            --text-muted: #94a3b8;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-neon: 0 12px 42px rgba(0, 224, 255, 0.10);
            --shadow-secondary: 0 12px 42px rgba(255, 45, 149, 0.08);
            --transition: 0.3s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

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

        /* ========== Container ========== */
        .container {
            max-width: 1280px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .site-header::after {
            content: "";
            display: block;
            height: 2px;
            background: linear-gradient(90deg, var(--primary) 0%, rgba(0, 224, 255, 0.1) 50%, transparent 100%);
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
        }

        .navbar-brand:hover {
            color: var(--text-main);
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #0a0e17;
            border-radius: 12px;
            font-size: 1.1rem;
            box-shadow: 0 0 24px rgba(0, 224, 255, 0.35);
            flex-shrink: 0;
        }

        .brand-text {
            background: linear-gradient(120deg, #e0f6ff, var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            padding: 8px 10px;
            border-radius: 10px;
            background: transparent;
            transition: var(--transition);
        }

        .navbar-toggler:hover {
            border-color: var(--primary-border);
            box-shadow: 0 0 16px rgba(0, 224, 255, 0.15);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(0, 224, 255, 0.3);
        }

        .navbar-toggler .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            margin: 5px auto;
            border-radius: 2px;
            transition: var(--transition);
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-item .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: 30px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

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

        .nav-item .nav-link.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px var(--primary-border);
        }

        .nav-item .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 10px rgba(0, 224, 255, 0.6);
        }

        /* ========== 按钮 ========== */
        .btn {
            border-radius: 30px;
            font-weight: 600;
            padding: 10px 26px;
            transition: var(--transition);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-neon {
            background: linear-gradient(135deg, #00e0ff, #38bdf8);
            color: #0a0e17;
            border: none;
            box-shadow: 0 4px 20px rgba(0, 224, 255, 0.25);
        }

        .btn-neon:hover,
        .btn-neon:focus {
            background: linear-gradient(135deg, #38bdf8, #00e0ff);
            color: #0a0e17;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 224, 255, 0.38);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(148, 163, 184, 0.36);
        }

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

        .header-cta {
            padding: 8px 22px;
            font-size: 0.9rem;
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            padding: 140px 0 110px;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-body);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 14, 23, 0.95) 0%, rgba(10, 14, 23, 0.78) 45%, rgba(10, 14, 23, 0.15) 100%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(0deg, var(--bg-body) 0%, transparent 100%);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            background: var(--primary-soft);
            border: 1px solid var(--primary-border);
            color: var(--primary);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

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

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-main);
            margin: 20px 0 16px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 .highlight {
            background: linear-gradient(120deg, var(--primary), #7dd3fc);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

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

        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid rgba(148, 163, 184, 0.15);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== Section 通用 ========== */
        .section-pad {
            padding: 90px 0;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-block;
            padding: 5px 16px;
            background: var(--primary-soft);
            border: 1px solid var(--primary-border);
            color: var(--primary);
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.75;
        }

        /* ========== 快速上手步骤 ========== */
        .section-steps {
            background: var(--bg-soft);
            padding: 90px 0;
            position: relative;
        }

        .section-steps::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary-border), transparent);
        }

        .step-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 28px 36px;
            height: 100%;
            transition: var(--transition);
            overflow: hidden;
        }

        .step-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-neon);
            transform: translateY(-8px);
            background: var(--bg-card-hover);
        }

        .step-icon {
            position: absolute;
            top: 12px;
            right: 20px;
            font-size: 3.8rem;
            font-weight: 800;
            color: rgba(0, 224, 255, 0.08);
            line-height: 1;
            letter-spacing: 2px;
            z-index: 1;
        }

        .step-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 3px;
            opacity: 0;
            transition: var(--transition);
        }

        .step-card:hover::after {
            opacity: 1;
            width: 70%;
        }

        .step-icon-badge {
            width: 62px;
            height: 62px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 224, 255, 0.16), rgba(255, 45, 149, 0.12));
            border: 1px solid var(--primary-border);
            color: var(--primary);
            border-radius: 18px;
            font-size: 1.4rem;
            margin-bottom: 22px;
            position: relative;
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ========== 观赛方式 ========== */
        .section-modes {
            background: var(--bg-body);
            padding: 90px 0;
        }

        .mode-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .mode-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-neon);
            border-color: var(--primary-border);
        }

        .mode-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .mode-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .mode-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .mode-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 14, 23, 0.55), transparent 40%);
        }

        .mode-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .mode-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--primary-soft);
            color: var(--primary);
            border: 1px solid var(--primary-border);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .mode-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .mode-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .text-link:hover {
            gap: 10px;
            color: #7dd3fc;
        }

        /* ========== 多设备支持 ========== */
        .section-devices {
            position: relative;
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-soft);
        }

        .section-devices::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 23, 0.82);
        }

        .section-devices .container {
            position: relative;
            z-index: 2;
        }

        .device-card {
            background: rgba(18, 24, 38, 0.75);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(148, 163, 184, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }

        .device-card:hover {
            border-color: var(--primary-border);
            box-shadow: var(--shadow-neon);
            transform: translateY(-6px);
            background: rgba(20, 28, 44, 0.85);
        }

        .device-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 224, 255, 0.16), rgba(255, 45, 149, 0.1));
            border: 1px solid var(--primary-border);
            color: var(--primary);
            border-radius: 18px;
            font-size: 1.5rem;
        }

        .device-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .device-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* ========== 观赛技巧 ========== */
        .section-tips {
            background: var(--bg-soft);
            padding: 90px 0;
            position: relative;
        }

        .section-tips::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 45, 149, 0.3), transparent);
        }

        .tips-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .tip-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: var(--transition);
            align-items: flex-start;
        }

        .tip-item:hover {
            border-color: rgba(255, 45, 149, 0.35);
            box-shadow: var(--shadow-secondary);
            transform: translateX(4px);
        }

        .tip-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--secondary-soft);
            border: 1px solid rgba(255, 45, 149, 0.25);
            color: var(--secondary);
            border-radius: 12px;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .tip-item .tip-body h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .tip-item .tip-body p {
            color: var(--text-muted);
            font-size: 0.87rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .section-faq {
            background: var(--bg-body);
            padding: 90px 0;
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            box-shadow: none;
            transition: var(--transition);
            border: none;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-border);
        }

        .accordion-button::after {
            filter: invert(1) hue-rotate(180deg);
            flex-shrink: 0;
        }

        .accordion-body {
            background: var(--bg-card);
            color: var(--text-muted);
            padding: 4px 24px 22px;
            line-height: 1.8;
            font-size: 0.92rem;
            border-top: 1px solid rgba(148, 163, 184, 0.08);
        }

        /* ========== CTA ========== */
        .section-cta {
            padding: 40px 0 90px;
            background: var(--bg-body);
        }

        .cta-box {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--primary-border);
            border-radius: 28px;
            padding: 60px 40px;
            text-align: center;
            overflow: hidden;
            box-shadow: var(--shadow-neon);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -30%;
            width: 160%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 224, 255, 0.08), transparent 60%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            position: relative;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            line-height: 1.75;
        }

        .cta-actions {
            position: relative;
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-neon-lg {
            padding: 14px 42px;
            font-size: 1rem;
            border-radius: 36px;
            background: linear-gradient(135deg, var(--primary), #38bdf8);
            color: #0a0e17;
            font-weight: 700;
            border: none;
            box-shadow: 0 6px 28px rgba(0, 224, 255, 0.3);
            transition: var(--transition);
        }

        .btn-neon-lg:hover {
            color: #0a0e17;
            background: linear-gradient(135deg, #38bdf8, var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(0, 224, 255, 0.4);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #070b12;
            border-top: 1px solid var(--border);
            padding: 70px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: "";
            display: block;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 16px;
        }

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

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 360px;
        }

        .footer-contact ul {
            margin: 0;
            padding: 0;
        }

        .footer-contact li {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact li i {
            color: var(--primary);
            width: 16px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links {
            margin: 0;
            padding: 0;
        }

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 10px;
            color: var(--primary);
            transition: transform 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.12);
            padding: 22px 0;
            margin-top: 50px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .footer-copy {
            color: #64748b;
            font-size: 0.82rem;
        }

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

        .footer-copy a:hover {
            color: #7dd3fc;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.4rem;
            }

            .section-head h2 {
                font-size: 1.8rem;
            }

            .cta-box h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 110px 0 80px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero .hero-desc {
                font-size: 1rem;
            }

            .section-pad,
            .section-steps,
            .section-modes,
            .section-devices,
            .section-tips,
            .section-faq {
                padding: 60px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .tips-list {
                grid-template-columns: 1fr;
            }

            .cta-box {
                padding: 40px 24px;
            }

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

            .hero-stat-row {
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.65rem;
                line-height: 1.3;
            }

            .page-hero {
                padding: 90px 0 60px;
            }

            .section-head h2 {
                font-size: 1.45rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .step-card {
                padding: 30px 20px;
            }

            .mode-card {
                margin-bottom: 8px;
            }

            .footer-copy {
                font-size: 0.78rem;
            }
        }