/* roulang page: index */
:root {
  --primary: #0BE09D;
  --bg-dark: #0C0F14;
  --bg-light: #F6F8FA;
  --surface: #FFFFFF;
  --text-primary: #171D24;
  --text-secondary: #55606E;
  --text-tertiary: #8B96A4;
  --border: #E5EAF0;
  --accent: #FFAE3D;
  --success: #18C27C;
  --info: #2D7FF9;
  --danger: #E24444;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-primary: 0 4px 16px rgba(11,224,157,0.35);
  --transition: 0.25s ease;
  --header-h: 64px;
  --space-section-sm: 48px;
  --space-section-lg: 80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg-light);color:var(--text-primary);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 16px;width:100%}
section{position:relative}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(12,15,20,0.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);height:var(--header-h);border-bottom:1px solid rgba(255,255,255,0.06);transition:background var(--transition),box-shadow var(--transition)}
.site-header.scrolled{box-shadow:0 4px 24px rgba(0,0,0,0.3)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 16px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:36px;height:36px;border-radius:10px;background:var(--primary);display:flex;align-items:center;justify-content:center;color:var(--bg-dark);font-size:16px;font-weight:800;flex-shrink:0}
.logo-text{font-size:16px;font-weight:800;color:#fff;letter-spacing:0.5px;white-space:nowrap}
.logo-text span{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:rgba(255,255,255,0.85);font-size:15px;font-weight:500;position:relative;padding:8px 2px;transition:color var(--transition)}
.main-nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition);border-radius:2px}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{width:100%;box-shadow:0 0 8px rgba(11,224,157,0.4)}
.header-right{display:flex;align-items:center;gap:14px}
.status-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(11,224,157,0.12);border:1px solid rgba(11,224,157,0.25);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill)}
.status-badge .dot{width:6px;height:6px;background:var(--primary);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#0C0F14;font-weight:600;font-size:16px;padding:12px 28px;border-radius:var(--radius-md);border:none;transition:all var(--transition);line-height:1.2}
.btn-primary:hover{background:#27f5b0;color:#0C0F14;box-shadow:var(--shadow-primary);transform:translateY(-1px)}
.btn-primary:active{transform:scale(0.97)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:var(--primary);font-weight:600;font-size:15px;padding:10px 24px;border-radius:var(--radius-md);border:1px solid var(--primary);transition:all var(--transition)}
.btn-secondary:hover{background:rgba(11,224,157,0.1);box-shadow:0 0 12px rgba(11,224,157,0.15)}
.btn-secondary:active{transform:scale(0.97)}
.btn-small{padding:8px 20px;font-size:14px;border-radius:8px}
.btn-large{padding:16px 40px;font-size:17px;border-radius:12px}
.btn-download{background:var(--primary);color:#0C0F14;font-weight:700;font-size:16px;padding:14px 36px;border-radius:var(--radius-md);border:none;display:inline-flex;align-items:center;gap:10px;transition:all var(--transition);cursor:pointer}
.btn-download:hover{background:#27f5b0;box-shadow:var(--shadow-primary);transform:translateY(-2px)}
.btn-download:active{transform:scale(0.96)}
.hamburger{display:none;width:44px;height:44px;background:transparent;border:none;position:relative;z-index:1101;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:#fff;margin:5px auto;transition:all 0.3s ease;border-radius:2px}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile nav */
.mobile-nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(12,15,20,0.98);z-index:1100;flex-direction:column;align-items:center;justify-content:center;gap:8px;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}
.mobile-nav.open{opacity:1;visibility:visible;display:flex}
.mobile-nav a{color:rgba(255,255,255,0.9);font-size:18px;font-weight:500;padding:12px 24px;display:block;line-height:48px;text-align:center;transition:color var(--transition)}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--primary)}
.mobile-nav a.btn-primary{margin-top:16px;color:#0C0F14}

/* Hero */
.hero{background:var(--bg-dark);color:#fff;padding:calc(var(--header-h) + 72px) 0 72px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:0.25;pointer-events:none}
.hero-bg::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(12,15,20,0.92) 30%,rgba(12,15,20,0.6) 100%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center}
.hero-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.hero-brand .brand-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(11,224,157,0.12);border:1px solid rgba(11,224,157,0.3);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:var(--radius-pill)}
.hero h1{font-size:28px;font-weight:800;line-height:1.3;color:#fff;margin-bottom:20px;letter-spacing:0.5px}
.hero-subtitle{font-size:15px;color:rgba(255,255,255,0.7);line-height:1.7;max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.hero-trust-line{display:flex;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,0.6);margin-bottom:36px;flex-wrap:wrap}
.hero-trust-line i{color:var(--primary);font-size:14px}
.hero-stats{display:flex;gap:36px;border-top:1px solid rgba(255,255,255,0.1);padding-top:28px;flex-wrap:wrap}
.stat-item .stat-value{font-size:24px;font-weight:800;color:var(--primary);font-family:'DIN Alternate','Bebas Neue',Arial,sans-serif}
.stat-item .stat-label{font-size:12px;color:rgba(255,255,255,0.55);margin-top:4px}
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-visual-wrap{position:relative;width:100%;max-width:380px}
.visual-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;transform:rotate(2deg);box-shadow:0 16px 48px rgba(0,0,0,0.4);border:1px solid rgba(255,255,255,0.08)}
.visual-frame img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/5}
.visual-frame::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to top,rgba(12,15,20,0.2),transparent 40%)}
.floating-card{position:absolute;top:16px;left:-12px;background:rgba(12,15,20,0.75);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(11,224,157,0.3);border-radius:var(--radius-md);padding:8px 16px;display:flex;align-items:center;gap:8px;z-index:3;box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.floating-card .dot{width:8px;height:8px;background:var(--primary);border-radius:50%;animation:pulse 2s infinite}
.floating-card span{font-size:12px;font-weight:600;color:var(--primary)}
.floating-card-2{position:absolute;bottom:24px;right:-8px;background:rgba(12,15,20,0.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,174,61,0.3);border-radius:var(--radius-md);padding:10px 18px;z-index:3;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.floating-card-2 .badge{display:inline-block;background:rgba(255,174,61,0.15);color:var(--accent);font-size:11px;font-weight:700;padding:2px 10px;border-radius:var(--radius-pill);margin-bottom:4px}
.floating-card-2 .version{font-size:14px;font-weight:700;color:#fff;font-family:'DIN Alternate','Bebas Neue',Arial,sans-serif}

/* Trust bar */
.trust-section{padding:48px 0;background:var(--bg-light)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow-card);transition:transform var(--transition),box-shadow var(--transition)}
.trust-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.trust-icon{width:44px;height:44px;border-radius:10px;background:var(--primary);color:var(--bg-dark);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.trust-info h3{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:2px}
.trust-info p{font-size:13px;color:var(--text-secondary);line-height:1.4}

/* Features */
.features-section{padding:var(--space-section-sm) 0;background:var(--bg-light)}
@media(min-width:64.063em){.features-section{padding:var(--space-section-lg) 0}}
.section-head{text-align:center;margin-bottom:48px}
.section-head h2{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:12px}
@media(min-width:64.063em){.section-head h2{font-size:32px}}
.section-head p{font-size:15px;color:var(--text-secondary);max-width:560px;margin:0 auto}
.feature-grid{display:grid;grid-template-columns:1fr;gap:20px;max-width:1200px;margin:0 auto}
@media(min-width:40.063em){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:64.063em){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--shadow-card);transition:transform var(--transition),box-shadow var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(to right,rgba(255,255,255,0.8),transparent)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:rgba(11,224,157,0.08);border:1px solid rgba(11,224,157,0.18);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px;transition:transform var(--transition),color var(--transition)}
.feature-card:hover .feature-icon{transform:translateX(2px);background:var(--primary);color:var(--bg-dark)}
.feature-card h3{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.6}

/* News section */
.news-section{padding:var(--space-section-sm) 0;background:var(--surface)}
@media(min-width:64.063em){.news-section{padding:var(--space-section-lg) 0}}
.section-head-flex{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;flex-wrap:wrap;gap:16px}
.section-head-flex h2{font-size:22px;font-weight:700;color:var(--text-primary)}
@media(min-width:64.063em){.section-head-flex h2{font-size:32px}}
.text-link{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap var(--transition)}
.text-link:hover{gap:10px;text-decoration:underline}
.news-grid{display:grid;grid-template-columns:1fr;gap:28px;max-width:1200px;margin:0 auto}
@media(min-width:64.063em){.news-grid{grid-template-columns:1.2fr 1fr}}
.post-card-main{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--transition),box-shadow var(--transition)}
.post-card-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.post-thumb-wrap{position:relative;overflow:hidden}
.post-thumb-wrap a{display:block}
.post-thumb-wrap img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;transition:transform 0.4s ease}
.post-card-main:hover .post-thumb-wrap img{transform:scale(1.03)}
.post-cat{position:absolute;top:12px;left:12px;background:rgba(11,224,157,0.12);border:1px solid rgba(11,224,157,0.25);color:var(--primary);font-size:12px;font-weight:600;padding:4px 14px;border-radius:var(--radius-pill);z-index:2;backdrop-filter:blur(4px)}
.post-cat:hover{background:var(--primary);color:#0C0F14}
.post-body{padding:20px 16px}
.post-title{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a{color:var(--text-primary);transition:color var(--transition)}
.post-title a:hover{color:var(--primary)}
.post-excerpt{font-size:13px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.post-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:12px}
.post-date{font-size:12px;color:var(--text-tertiary);display:inline-flex;align-items:center;gap:6px}
.read-more{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.read-more i{transition:transform var(--transition)}
.read-more:hover i{transform:translateX(4px)}
.news-list{display:flex;flex-direction:column;gap:16px}
.post-list-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px;transition:box-shadow var(--transition);align-items:center}
.post-list-item:hover{box-shadow:var(--shadow-hover);border-color:rgba(11,224,157,0.3)}
.post-list-thumb{width:96px;min-width:96px;border-radius:8px;overflow:hidden}
.post-list-thumb img{width:96px;height:72px;object-fit:cover}
.post-list-body{flex:1;min-width:0}
.post-list-title{font-size:14px;font-weight:600;line-height:1.4;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.post-list-title a{color:var(--text-primary)}
.post-list-title a:hover{color:var(--primary)}
.post-list-excerpt{font-size:12px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.post-empty{grid-column:1/-1;text-align:center;padding:64px 24px;border:2px dashed var(--border);border-radius:var(--radius-lg);color:var(--text-tertiary)}
.post-empty i{font-size:40px;margin-bottom:12px;display:block}
.post-empty p{font-size:14px}

/* Testimonials */
.testimonials-section{padding:var(--space-section-sm) 0;background:var(--bg-dark);color:#fff;overflow:hidden}
@media(min-width:64.063em){.testimonials-section{padding:var(--space-section-lg) 0}}
.testimonials-section .section-head h2{color:#fff}
.testimonials-section .section-head p{color:rgba(255,255,255,0.6)}
.orbit{max-width:960px;margin:0 auto}
.orbit-container{background:transparent;list-style:none;margin:0;padding:0}
.orbit-slide{padding:8px}
.testimonial-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-lg);padding:32px 28px;text-align:center;height:100%}
.stars{color:var(--accent);font-size:16px;letter-spacing:2px;margin-bottom:16px}
.testimonial-text{font-size:15px;line-height:1.7;color:rgba(255,255,255,0.85);max-width:420px;margin:0 auto 20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.testimonial-author{color:rgba(255,255,255,0.5);font-size:13px}
.testimonial-author strong{color:rgba(255,255,255,0.85);display:block;margin-bottom:2px}
.orbit-bullets{display:flex;justify-content:center;gap:10px;margin-top:24px}
.orbit-bullets button{width:10px;height:10px;border-radius:50%;border:1px solid rgba(255,255,255,0.4);background:transparent;padding:0;cursor:pointer;transition:all var(--transition)}
.orbit-bullets button.is-active{background:var(--primary);border-color:var(--primary);box-shadow:0 0 10px rgba(11,224,157,0.3)}
.orbit-bullets button:hover{transform:scale(1.2)}
.orbit-previous,.orbit-next{color:rgba(255,255,255,0.5);font-size:24px;transition:color var(--transition)}
.orbit-previous:hover,.orbit-next:hover{color:var(--primary)}

/* FAQ */
.faq-section{padding:var(--space-section-sm) 0;background:var(--bg-light)}
@media(min-width:64.063em){.faq-section{padding:var(--space-section-lg) 0}}
.faq-layout{display:grid;grid-template-columns:1fr;gap:40px;max-width:1200px;margin:0 auto}
@media(min-width:64.063em){.faq-layout{grid-template-columns:0.8fr 1.2fr}}
.faq-side h2{font-size:22px;font-weight:700;margin-bottom:12px}
@media(min-width:64.063em){.faq-side h2{font-size:32px}}
.faq-side p{font-size:13px;color:var(--text-secondary);line-height:1.7;margin-bottom:24px}
.faq-contact-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border:1px solid var(--primary);border-radius:var(--radius-md);color:var(--primary);font-size:14px;font-weight:600;background:transparent;transition:all var(--transition)}
.faq-contact-btn:hover{background:rgba(11,224,157,0.1);box-shadow:0 0 12px rgba(11,224,157,0.15)}
.faq-accordion{width:100%}
.accordion{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden}
.accordion-item{border-bottom:1px solid var(--border)}
.accordion-item:last-child{border-bottom:none}
.accordion-title{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;background:transparent;border:none;font-size:15px;font-weight:600;color:var(--text-primary);cursor:pointer;width:100%;text-align:left;transition:color var(--transition)}
.accordion-title i{flex-shrink:0;margin-left:12px;color:var(--text-tertiary);font-size:14px;transition:transform 0.3s ease,color var(--transition)}
.accordion-item.is-active .accordion-title{color:var(--primary)}
.accordion-item.is-active .accordion-title i{transform:rotate(45deg);color:var(--primary)}
.accordion-content{padding:0 20px 20px;font-size:14px;color:var(--text-secondary);line-height:1.7}

/* CTA */
.cta-section{padding:72px 0;background:var(--bg-dark);position:relative;overflow:hidden;text-align:center}
.cta-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(11,224,157,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(11,224,157,0.05) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}
.cta-inner{position:relative;z-index:2;max-width:640px;margin:0 auto;padding:0 16px}
.cta-inner h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:12px}
@media(min-width:64.063em){.cta-inner h2{font-size:36px}}
.cta-inner p{font-size:15px;color:rgba(255,255,255,0.6);margin-bottom:32px}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,0.7);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:40.063em){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-brand .logo-text{font-size:18px;margin-bottom:12px;display:block}
.footer-brand p{font-size:13px;line-height:1.7;color:rgba(255,255,255,0.55);max-width:260px}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,0.9);margin-bottom:16px}
.footer-col a{display:block;font-size:13px;padding:5px 0;color:rgba(255,255,255,0.55);transition:color var(--transition)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);margin-top:48px;padding-top:24px;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px}
.footer-bottom-inner{display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:space-between;text-align:center}
@media(min-width:40.063em){.footer-bottom-inner{flex-direction:row;text-align:left}}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.45)}
.footer-comply{font-size:12px;color:rgba(255,255,255,0.3)}

/* Main */
.main{min-height:100vh}

/* Responsive */
@media(max-width:63.98em){
  .main-nav{display:none}
  .header-right .btn-primary.btn-header{display:none}
  .hamburger{display:block}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2;margin-top:8px}
  .hero-visual-wrap{max-width:320px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:39.98em){
  :root{--header-h:64px}
  .logo-text{font-size:14px}
  .hero{padding-top:calc(64px + 48px);padding-bottom:48px}
  .hero h1{font-size:26px}
  .hero-cta .btn-primary,.hero-cta .btn-secondary{width:100%;max-width:360px}
  .hero-stats{gap:24px}
  .trust-grid{grid-template-columns:1fr 1fr;gap:12px}
  .trust-card{padding:16px;flex-direction:column;text-align:center;gap:10px}
  .trust-icon{width:40px;height:40px;font-size:15px}
  .trust-info h3{font-size:14px}
  .trust-info p{font-size:12px}
  .feature-grid{gap:16px}
  .feature-card{padding:20px 16px}
  .news-list{gap:12px}
  .post-list-item{flex-direction:row}
  .post-list-thumb{width:80px;min-width:80px}
  .post-list-thumb img{width:80px;height:60px}
  .cta-buttons .btn-download,.cta-buttons .btn-secondary{width:100%;max-width:360px}
  .faq-layout{gap:28px}
  .footer-grid{gap:24px}
  .footer-bottom-inner{flex-direction:column}
}

/* Custom focus */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* roulang page: article */
/* ===== 1. 设计变量 ===== */
:root {
  --primary: #0BE09D;
  --primary-dark: #09C889;
  --primary-light: rgba(11,224,157,0.10);
  --accent: #FFAE3D;
  --bg-dark: #0C0F14;
  --bg-light: #F6F8FA;
  --surface: #FFFFFF;
  --text-primary: #171D24;
  --text-secondary: #55606E;
  --text-tertiary: #8B96A4;
  --border: #E5EAF0;
  --success: #18C27C;
  --info: #2D7FF9;
  --danger: #E24444;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-primary: 0 4px 16px rgba(11,224,157,0.35);
  --transition: all 0.25s ease;
  --container-w: 1200px;
  --header-h: 72px;
}

/* ===== 2. Reset 与基础 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ===== 3. 布局容器 ===== */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px;
}

/* ===== 4. 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid transparent;
  line-height: 1;
  white-space: nowrap;
  transition: var(--transition);
}
.btn i { font-size: 14px; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #0C0F14; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-dark); color: #0C0F14; box-shadow: var(--shadow-primary); transform: translateY(-1px); text-decoration: none; }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; box-shadow: var(--shadow-sm); }
.btn-outline:active { transform: scale(0.97); }
.btn-lg { height: 52px; padding: 0 40px; font-size: 17px; border-radius: 12px; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; max-width: 360px; }

/* ===== 5. 导航栏 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 15, 20, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--header-h);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-wrap:hover { text-decoration: none; }
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #0C0F14;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(11, 224, 157, 0.25);
}
.logo-text { font-size: 18px; font-weight: 800; color: #fff; line-height: 1.2; white-space: nowrap; }
.logo-text span { color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-md);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.main-nav a:hover { color: #fff; text-decoration: none; border-bottom-color: var(--primary); }
.main-nav a.active { color: var(--primary); border-bottom-color: var(--primary); text-shadow: 0 0 12px rgba(11, 224, 157, 0.35); }
.header-right { display: flex; align-items: center; gap: 12px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单面板 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dark);
  z-index: 99;
  padding: 24px 24px 48px;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 8px; }
.mobile-menu nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 12px;
  font-size: 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.mobile-menu nav a:hover { background: rgba(255, 255, 255, 0.08); color: var(--primary); text-decoration: none; }
.mobile-menu .mobile-cta { margin-top: 24px; width: 100%; }
.mobile-status { margin-top: 20px; display: flex; justify-content: center; }

/* ===== 6. 面包屑 ===== */
.breadcrumb-band {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-tertiary);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); text-decoration: none; }
.breadcrumb .sep { color: var(--text-tertiary); opacity: 0.6; }
.breadcrumb .current {
  color: var(--text-tertiary);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 7. 文章主体 ===== */
.article-section {
  padding: 48px 0 64px;
  background: var(--bg-light);
  background-image: radial-gradient(rgba(11, 224, 157, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 40px 48px 48px;
}
.article-inner { max-width: 720px; margin: 0 auto; }
.article-header { margin-bottom: 32px; }
.article-header h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-tertiary);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.cat-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: #0CAF7A;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { font-size: 13px; color: var(--text-tertiary); }

/* ===== 8. 正文内容 ===== */
.post-content {
  font-size: 16px;
  line-height: 1.8;
  color: #2A3441;
}
.post-content p { margin-bottom: 24px; }
.post-content h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin: 40px 0 16px;
  color: var(--text-primary);
}
.post-content h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin: 32px 0 12px;
  color: var(--text-primary);
}
.post-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 8px;
  color: var(--text-primary);
}
.post-content img {
  border-radius: var(--radius-lg);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}
.post-content ul,
.post-content ol { margin: 0 0 24px 24px; }
.post-content ul li { list-style: disc; margin-bottom: 8px; }
.post-content ol li { list-style: decimal; margin-bottom: 8px; }
.post-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--bg-light);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  color: var(--text-secondary);
}
.post-content code {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 14px;
  font-family: "SFMono-Regular", Consolas, monospace;
}
.post-content pre {
  background: var(--bg-dark);
  color: #E8EDF2;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.6;
}
.post-content pre code { background: none; border: none; color: inherit; padding: 0; }
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.post-content table th,
.post-content table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.post-content table th {
  background: var(--bg-light);
  font-weight: 700;
  color: var(--text-primary);
}
.post-content table tr:hover td { background: rgba(11, 224, 157, 0.03); }
.table-wrap { overflow-x: auto; margin: 24px 0; }
.table-wrap table { margin: 0; }
.post-content a { color: var(--primary); font-weight: 500; }
.post-content a:hover { text-decoration: underline; }
.post-content .aligncenter { margin-left: auto; margin-right: auto; }
.post-content .alignleft { float: left; margin: 0 20px 10px 0; }
.post-content .alignright { float: right; margin: 0 0 10px 20px; }

/* ===== 9. 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 80px 24px;
}
.empty-state i { font-size: 48px; color: var(--text-tertiary); margin-bottom: 16px; display: block; }
.empty-state p { font-size: 18px; color: var(--text-secondary); margin-bottom: 24px; }

/* ===== 10. 标签区 ===== */
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  margin-top: 32px;
  border-top: 1px solid var(--border);
}
.tag-label { font-size: 13px; color: var(--text-tertiary); }
.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: var(--transition);
}
.tag-item:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-light);
  text-decoration: none;
}

/* ===== 11. 相关推荐 ===== */
.related-section {
  padding: 48px 0 64px;
  background: var(--bg-light);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}
.section-head .sub-text { font-size: 14px; color: var(--text-secondary); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.post-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.post-card a { color: inherit; }
.post-card a:hover { text-decoration: none; }
.post-card .thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-light);
}
.post-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .thumb img { transform: scale(1.04); }
.post-card .thumb .cat-flag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(11, 224, 157, 0.12);
  color: #0CAF7A;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.post-card .card-body { padding: 20px 16px; }
.post-card .card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card .card-body h3 a { color: var(--text-primary); transition: var(--transition); }
.post-card .card-body h3 a:hover { color: var(--primary); }
.post-card .card-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card .card-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}
.post-card .read-link { font-weight: 600; color: var(--primary); font-size: 13px; }
.post-card .read-link:hover { text-decoration: underline; }
.related-empty {
  text-align: center;
  padding: 60px 24px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-tertiary);
  font-size: 15px;
}
.related-empty i { font-size: 32px; margin-bottom: 12px; display: block; }

/* ===== 12. 返回入口 ===== */
.return-wrap { text-align: center; padding: 32px 0 0; }
.return-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 24px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  background: transparent;
  transition: var(--transition);
}
.return-link:hover {
  background: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}
.return-link:active { transform: scale(0.97); }

/* ===== 13. CTA 横幅 ===== */
.cta-band {
  background: var(--bg-dark);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  padding: 64px 0;
  text-align: center;
}
.cta-inner h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 12px;
}
.cta-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 14. 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  padding: 64px 0 32px;
  color: rgba(255, 255, 255, 0.7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  padding: 5px 0;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--primary);
  text-decoration: none;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}
.footer-bottom .footer-comply { color: rgba(255, 255, 255, 0.45); }
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: var(--primary); }

/* ===== 15. 响应式 ===== */
@media (max-width: 1023px) {
  .main-nav { display: none; }
  .header-right .status-badge { display: none; }
  .nav-toggle { display: flex; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-wrap { padding: 32px; }
}

@media (max-width: 639px) {
  :root { --header-h: 64px; }
  .logo-text { font-size: 16px; }
  .logo-icon { width: 32px; height: 32px; font-size: 14px; }
  .header-cta { display: none; }
  .article-section { padding: 24px 0 40px; }
  .article-wrap { padding: 24px 20px; border-radius: 12px; }
  .article-header h1 { font-size: 28px; }
  .article-meta { gap: 10px 14px; }
  .post-content { font-size: 15px; }
  .post-content h2 { font-size: 24px; }
  .post-content h3 { font-size: 19px; }
  .breadcrumb .current { max-width: 160px; }
  .related-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 4px; margin-bottom: 20px; }
  .cta-band { padding: 48px 0; }
  .cta-inner h2 { font-size: 24px; }
  .cta-inner .btn { max-width: 100%; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .article-tags { gap: 8px; }
  .tag-item { padding: 4px 12px; font-size: 12px; }
  .return-wrap { padding-top: 24px; }
}

/* roulang page: category1 */
:root {
      --primary: #0BE09D;
      --bg-dark: #0C0F14;
      --bg-light: #F6F8FA;
      --surface: #FFFFFF;
      --text-primary: #171D24;
      --text-secondary: #55606E;
      --text-tertiary: #8B96A4;
      --border: #E5EAF0;
      --accent: #FFAE3D;
      --success: #18C27C;
      --info: #2D7FF9;
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 999px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
      --transition: 0.25s ease;
      --container-max: 1200px;
      --header-h-desktop: 72px;
      --header-h-mobile: 64px;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: var(--text-primary);
      background: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; transition: color var(--transition); }
    img { max-width: 100%; display: block; }
    ul, ol { list-style: none; }
    button, input, textarea { font-family: inherit; font-size: inherit; }
    button { background: none; border: none; cursor: pointer; }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 16px;
      width: 100%;
    }

    .section-pad { padding: 64px 0; }
    @media screen and (min-width: 1024px) {
      .section-pad { padding: 80px 0; }
    }

    .section-title {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-primary);
      margin-bottom: 8px;
    }
    @media screen and (min-width: 1024px) {
      .section-title { font-size: 32px; }
    }

    .section-sub {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
      max-width: 640px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 28px;
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 600;
      transition: all var(--transition);
      border: none;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #0C0F14;
    }
    .btn-primary:hover {
      filter: brightness(1.1);
      box-shadow: 0 4px 16px rgba(11, 224, 157, 0.35);
      color: #0C0F14;
    }
    .btn-primary:active { transform: scale(0.97); }
    .btn-primary:focus-visible {
      outline: 3px solid rgba(11, 224, 157, 0.4);
      outline-offset: 2px;
    }

    .btn-secondary {
      background: transparent;
      border: 1px solid var(--primary);
      color: var(--primary);
    }
    .btn-secondary:hover {
      background: rgba(11, 224, 157, 0.1);
      color: var(--primary);
    }
    .btn-secondary:active { transform: scale(0.97); }
    .btn-secondary:focus-visible {
      outline: 3px solid rgba(11, 224, 157, 0.25);
      outline-offset: 2px;
    }

    .btn-lg {
      height: 54px;
      padding: 0 40px;
      font-size: 17px;
      border-radius: 12px;
    }

    .btn-outline-light {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.4);
      color: #fff;
      height: 44px;
      padding: 0 28px;
      border-radius: var(--radius-md);
      font-size: 16px;
      font-weight: 600;
      transition: all var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      cursor: pointer;
    }
    .btn-outline-light:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(11, 224, 157, 0.08);
    }
    .btn-outline-light:focus-visible {
      outline: 3px solid rgba(11, 224, 157, 0.25);
      outline-offset: 2px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.5;
    }
    .badge-primary {
      background: rgba(11, 224, 157, 0.12);
      color: #0BA97B;
    }
    .badge-accent {
      background: rgba(255, 174, 61, 0.15);
      color: #C77D0A;
    }
    .badge-success {
      background: rgba(24, 194, 124, 0.14);
      color: #0F9E61;
    }
    .badge-dark {
      background: rgba(12, 15, 20, 0.75);
      color: #fff;
      backdrop-filter: blur(6px);
    }

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: var(--header-h-mobile);
      background: rgba(12, 15, 20, 0.88);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      transition: background var(--transition);
    }
    @media screen and (min-width: 1024px) {
      .site-header { height: var(--header-h-desktop); }
    }

    .header-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0C0F14;
      font-size: 16px;
      box-shadow: 0 0 20px rgba(11, 224, 157, 0.25);
    }
    .logo-text {
      font-size: 16px;
      font-weight: 800;
      color: #fff;
      white-space: nowrap;
      line-height: 1.2;
    }
    .logo-text span { color: var(--primary); font-weight: 400; }

    .main-nav {
      display: none;
      align-items: center;
      gap: 4px;
    }
    @media screen and (min-width: 1024px) {
      .main-nav { display: flex; }
    }
    .main-nav a {
      position: relative;
      padding: 10px 16px;
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.85);
      border-radius: var(--radius-md);
      transition: color var(--transition);
    }
    .main-nav a::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 4px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
      transform: scaleX(0);
      transition: transform var(--transition);
    }
    .main-nav a:hover {
      color: #fff;
    }
    .main-nav a:hover::after {
      transform: scaleX(1);
    }
    .main-nav a.active {
      color: var(--primary);
      font-weight: 600;
    }
    .main-nav a.active::after {
      transform: scaleX(1);
    }
    .main-nav a:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .header-status {
      display: none;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
    }
    @media screen and (min-width: 768px) {
      .header-status { display: inline-flex; }
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .header-cta {
      display: none;
      height: 38px;
      padding: 0 20px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 10px;
      background: var(--primary);
      color: #0C0F14;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all var(--transition);
      border: none;
      cursor: pointer;
    }
    .header-cta:hover {
      filter: brightness(1.1);
      box-shadow: 0 0 16px rgba(11, 224, 157, 0.35);
    }
    .header-cta:active { transform: scale(0.96); }
    @media screen and (min-width: 1024px) {
      .header-cta { display: inline-flex; }
    }

    .hamburger {
      display: flex;
      width: 44px;
      height: 44px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      border-radius: var(--radius-md);
      cursor: pointer;
      background: transparent;
      border: none;
    }
    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .hamburger:hover span { background: var(--primary); }
    @media screen and (min-width: 1024px) {
      .hamburger { display: none; }
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: var(--header-h-mobile);
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--bg-dark);
      z-index: 999;
      padding: 24px 16px 40px;
      overflow-y: auto;
    }
    @media screen and (min-width: 1024px) {
      .mobile-menu { display: none !important; }
    }
    .mobile-menu.open { display: block; }

    .mobile-menu a {
      display: flex;
      align-items: center;
      min-height: 48px;
      font-size: 18px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.85);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      transition: color var(--transition);
    }
    .mobile-menu a:hover { color: var(--primary); }
    .mobile-menu a.active { color: var(--primary); font-weight: 600; }

    .mobile-menu-cta {
      margin-top: 24px;
      width: 100%;
      height: 48px;
      background: var(--primary);
      border-radius: 10px;
      color: #0C0F14;
      font-size: 16px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all var(--transition);
      border: none;
      cursor: pointer;
    }
    .mobile-menu-cta:hover { filter: brightness(1.1); }

    /* ===== Hero ===== */
    .category-hero {
      position: relative;
      background: var(--bg-dark);
      padding: 56px 0 64px;
      color: #fff;
      overflow: hidden;
    }
    @media screen and (min-width: 1024px) {
      .category-hero { padding: 72px 0 88px; }
    }
    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 42px 42px;
      pointer-events: none;
    }
    .category-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.14;
      pointer-events: none;
    }
    .category-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 6px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 18px;
    }
    .breadcrumb a { color: rgba(255, 255, 255, 0.6); transition: color var(--transition); }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb .sep { color: rgba(255, 255, 255, 0.35); }
    .breadcrumb .current { color: rgba(255, 255, 255, 0.9); font-weight: 500; }

    .category-hero .hero-title {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
      color: #fff;
    }
    @media screen and (min-width: 1024px) {
      .category-hero .hero-title { font-size: 44px; line-height: 1.25; }
    }
    .category-hero .hero-title .highlight {
      color: var(--primary);
    }

    .category-hero .hero-sub {
      font-size: 15px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.7);
      max-width: 600px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 28px;
    }
    .hero-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .hero-trust-item .icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: rgba(11, 224, 157, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 15px;
      flex-shrink: 0;
    }
    .hero-trust-item .val {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
    }
    .hero-trust-item .label {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.55);
    }

    .hero-visual {
      margin-top: 40px;
      position: relative;
    }
    @media screen and (min-width: 1024px) {
      .hero-visual {
        margin-top: 0;
      }
      .hero-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        align-items: center;
        gap: 48px;
      }
    }
    .hero-visual .poster {
      border-radius: 16px;
      overflow: hidden;
      transform: rotate(2deg);
      box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-visual .poster img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    @media screen and (min-width: 1024px) {
      .hero-visual .poster img { height: 380px; }
    }

    .hero-float-card {
      position: absolute;
      bottom: -18px;
      left: 50%;
      transform: translateX(-50%);
      width: calc(100% - 48px);
      max-width: 360px;
      background: rgba(12, 15, 20, 0.92);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 16px;
      padding: 18px 20px;
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
    }
    .float-card-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }
    .online-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
    }
    .online-tag::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      animation: pulse 2s infinite;
    }
    .float-card-progress {
      margin-top: 10px;
    }
    .progress-row {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 6px;
    }
    .progress-bar {
      height: 6px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      overflow: hidden;
    }
    .progress-bar .fill {
      height: 100%;
      width: 100%;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 12px rgba(11, 224, 157, 0.4);
    }

    /* ===== Trust Bar ===== */
    .trust-bar {
      background: var(--bg-light);
      padding: 32px 0;
    }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
    }
    @media screen and (min-width: 641px) {
      .trust-grid { grid-template-columns: repeat(4, 1fr); }
    }
    .trust-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .trust-item .icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(11, 224, 157, 0.1);
      color: #0BA97B;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
      transition: all var(--transition);
    }
    .trust-item:hover .icon {
      background: var(--primary);
      color: #0C0F14;
    }
    .trust-item h3 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 2px;
    }
    .trust-item p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* ===== Cards Section ===== */
    .cards-section {
      background: var(--bg-light);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 32px;
    }

    .download-card-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .dl-card {
      display: grid;
      grid-template-columns: 1fr;
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all var(--transition);
    }
    @media screen and (min-width: 641px) {
      .dl-card {
        grid-template-columns: 260px 1fr;
      }
    }
    .dl-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: #d5dee8;
      transform: translateY(-2px);
    }

    .dl-card-thumb {
      position: relative;
      overflow: hidden;
      min-height: 180px;
    }
    @media screen and (min-width: 641px) {
      .dl-card-thumb { min-height: 200px; }
    }
    .dl-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .dl-card:hover .dl-card-thumb img {
      transform: scale(1.03);
    }
    .dl-card-thumb .card-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 2;
      padding: 4px 14px;
      border-radius: 999px;
      background: rgba(11, 224, 157, 0.92);
      color: #0C0F14;
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(4px);
      transition: background var(--transition);
    }
    .dl-card-thumb .card-tag:hover {
      background: var(--primary);
    }

    .dl-card-body {
      padding: 20px 20px 22px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .dl-card-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .dl-card-body p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 14px;
      max-width: 620px;
    }
    .dl-card-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 12px;
      color: var(--text-tertiary);
      margin-bottom: 14px;
    }
    .dl-card-meta .sep {
      color: var(--border);
    }
    .dl-card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: #0BA97B;
      transition: all var(--transition);
      align-self: flex-start;
    }
    .dl-card-link:hover {
      color: var(--primary);
      gap: 10px;
    }
    .dl-card-link i {
      font-size: 12px;
    }

    /* Pagination */
    .pagination-wrap {
      display: flex;
      justify-content: center;
      margin-top: 40px;
    }
    .pagination {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
    }
    .pagination a,
    .pagination span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 12px;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      background: var(--surface);
      border: 1px solid var(--border);
      transition: all var(--transition);
    }
    .pagination a:hover {
      background: var(--bg-light);
      border-color: var(--primary);
      color: var(--primary);
    }
    .pagination a:focus-visible {
      outline: 3px solid rgba(11, 224, 157, 0.25);
      outline-offset: 2px;
    }
    .pagination .current {
      background: var(--primary);
      color: #0C0F14;
      border-color: var(--primary);
      font-weight: 600;
      box-shadow: 0 2px 12px rgba(11, 224, 157, 0.25);
    }

    /* ===== Process Section ===== */
    .process-section {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .process-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 32px;
    }
    @media screen and (min-width: 641px) {
      .process-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media screen and (min-width: 1024px) {
      .process-grid { grid-template-columns: repeat(4, 1fr); }
    }

    .process-step {
      position: relative;
      background: var(--bg-light);
      border-radius: var(--radius-lg);
      padding: 28px 20px 24px;
      border: 1px solid var(--border);
      transition: all var(--transition);
    }
    .process-step:hover {
      box-shadow: var(--shadow-lg);
      border-color: #d5dee8;
      transform: translateY(-2px);
    }
    .process-step .step-num {
      font-family: "DIN Alternate", "Bebas Neue", Arial, sans-serif;
      font-size: 42px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1;
      opacity: 0.3;
      position: absolute;
      top: 16px;
      right: 18px;
      transition: opacity var(--transition);
    }
    .process-step:hover .step-num { opacity: 1; }
    .process-step .icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(11, 224, 157, 0.1);
      color: #0BA97B;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 18px;
      transition: all var(--transition);
    }
    .process-step:hover .icon {
      background: var(--primary);
      color: #0C0F14;
    }
    .process-step h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-primary);
    }
    .process-step p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    /* ===== Scenarios ===== */
    .scenario-section {
      background: var(--bg-light);
    }
    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 32px;
    }
    @media screen and (min-width: 641px) {
      .scenario-grid { grid-template-columns: repeat(2, 1fr); }
    }

    .scenario-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      padding: 28px 24px;
      display: flex;
      gap: 16px;
      transition: all var(--transition);
    }
    .scenario-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
      border-color: #d5dee8;
    }
    .scenario-card .icon {
      width: 48px;
      height: 48px;
      min-width: 48px;
      border-radius: 12px;
      background: rgba(255, 174, 61, 0.12);
      color: #C77D0A;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      transition: all var(--transition);
    }
    .scenario-card:hover .icon {
      background: var(--accent);
      color: #0C0F14;
    }
    .scenario-card h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-primary);
    }
    .scenario-card p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    /* ===== Security Section ===== */
    .security-section {
      position: relative;
      background: var(--bg-dark);
      color: #fff;
      padding: 64px 0;
    }
    @media screen and (min-width: 1024px) {
      .security-section { padding: 80px 0; }
    }
    .security-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.1;
      pointer-events: none;
    }
    .security-section .container {
      position: relative;
      z-index: 2;
    }
    .security-section .section-title { color: #fff; }
    .security-section .section-sub { color: rgba(255, 255, 255, 0.65); }

    .security-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 36px;
    }
    @media screen and (min-width: 641px) {
      .security-grid { grid-template-columns: repeat(3, 1fr); }
    }
    .security-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      transition: all var(--transition);
      backdrop-filter: blur(4px);
    }
    .security-card:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(11, 224, 157, 0.4);
      transform: translateY(-2px);
    }
    .security-card .icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(11, 224, 157, 0.15);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 18px;
    }
    .security-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #fff;
    }
    .security-card p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.7;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--surface);
      border-top: 1px solid var(--border);
    }
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 40px;
      margin-top: 32px;
    }
    @media screen and (min-width: 1024px) {
      .faq-grid { grid-template-columns: 0.9fr 1.1fr; gap: 64px; }
    }

    .faq-intro h2 { margin-bottom: 12px; }
    .faq-intro p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .faq-contact {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      transition: all var(--transition);
      background: var(--surface);
    }
    .faq-contact:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(11, 224, 157, 0.05);
    }
    .faq-contact:focus-visible {
      outline: 3px solid rgba(11, 224, 157, 0.2);
      outline-offset: 2px;
    }

    .accordion-list {
      border-top: 1px solid var(--border);
    }
    .accordion-item {
      border-bottom: 1px solid var(--border);
    }
    .accordion-item-title {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 0;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      transition: color var(--transition);
    }
    .accordion-item-title:hover { color: var(--primary); }
    .accordion-item-title:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 4px;
    }
    .accordion-item-title .icon {
      width: 24px;
      height: 24px;
      min-width: 24px;
      border-radius: 50%;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease, background var(--transition), border-color var(--transition);
      font-size: 12px;
      color: var(--text-tertiary);
    }
    .accordion-item.active .accordion-item-title { color: var(--primary); }
    .accordion-item.active .accordion-item-title .icon {
      transform: rotate(45deg);
      background: var(--primary);
      border-color: var(--primary);
      color: #0C0F14;
    }
    .accordion-item-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }
    .accordion-item-content-inner {
      padding: 0 0 20px;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .accordion-item.active .accordion-item-content {
      max-height: 240px;
    }

    /* ===== CTA Banner ===== */
    .cta-banner {
      position: relative;
      background: var(--bg-dark);
      padding: 72px 0;
      text-align: center;
      overflow: hidden;
    }
    @media screen and (min-width: 1024px) {
      .cta-banner { padding: 88px 0; }
    }
    .cta-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(11, 224, 157, 0.05) 1px, transparent 1px),
                        linear-gradient(90deg, rgba(11, 224, 157, 0.05) 1px, transparent 1px);
      background-size: 42px 42px;
    }
    .cta-banner .container {
      position: relative;
      z-index: 2;
    }
    .cta-banner h2 {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      line-height: 1.3;
    }
    @media screen and (min-width: 1024px) {
      .cta-banner h2 { font-size: 32px; }
    }
    .cta-banner p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.7);
      max-width: 480px;
      margin: 0 auto 28px;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--bg-dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      margin-bottom: 48px;
    }
    @media screen and (min-width: 641px) {
      .footer-grid { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
    }
    .footer-brand p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.7;
      max-width: 260px;
    }
    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-col a {
      display: block;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      padding: 6px 0;
      transition: color var(--transition);
    }
    .footer-col a:hover { color: var(--primary); }
    .footer-col a:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
    }
    .footer-bottom-inner {
      display: flex;
      flex-direction: column;
      gap: 8px;
      align-items: center;
      justify-content: space-between;
      text-align: center;
    }
    @media screen and (min-width: 641px) {
      .footer-bottom-inner {
        flex-direction: row;
        text-align: left;
      }
    }
    .footer-bottom p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom .footer-comply {
      color: rgba(255, 255, 255, 0.4);
      font-size: 12px;
    }

    /* ===== Responsive tweaks ===== */
    @media screen and (max-width: 640px) {
      .hero-actions .btn {
        width: 100%;
        max-width: 360px;
      }
      .hero-actions {
        justify-content: center;
      }
      .hero-trust {
        justify-content: center;
      }
      .category-hero .hero-title {
        text-align: center;
      }
      .category-hero .hero-sub {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
      }
      .breadcrumb {
        justify-content: center;
      }
      .cta-actions .btn {
        width: 100%;
        max-width: 360px;
      }
    }

    @media screen and (max-width: 480px) {
      .trust-grid {
        padding: 16px;
      }
      .trust-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
      .dl-card-body h3 {
        font-size: 16px;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
      .scenario-card {
        padding: 20px 16px;
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }
    }

/* roulang page: category2 */
:root {
  --primary: #0BE09D;
  --primary-dark: #06b97c;
  --bg-dark: #0C0F14;
  --bg-light: #F6F8FA;
  --surface: #FFFFFF;
  --text-primary: #171D24;
  --text-secondary: #55606E;
  --text-tertiary: #8B96A4;
  --border: #E5EAF0;
  --accent: #FFAE3D;
  --success: #18C27C;
  --info: #2D7FF9;
  --danger: #E24444;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
  --font-base: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: transparent;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 15, 20, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 72px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0C0F14;
  font-size: 16px;
  box-shadow: 0 0 20px rgba(11, 224, 157, 0.25);
}

.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.main-nav a:hover {
  color: #ffffff;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.main-nav a.active {
  color: var(--primary);
}

.main-nav a.active::after {
  transform: scaleX(1);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.online-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(11, 224, 157, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.online-badge i {
  font-size: 8px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 14px 28px;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.2;
}

.btn-primary {
  background: var(--primary);
  color: #0C0F14;
}

.btn-primary:hover {
  background: #2cf0b2;
  box-shadow: 0 4px 16px rgba(11, 224, 157, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.97);
}

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

.btn-secondary:hover {
  background: rgba(11, 224, 157, 0.1);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
  border-radius: var(--radius-md);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: #0C0F14;
  padding: 16px 24px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-direction: column;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 18px;
  line-height: 48px;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a.active {
  color: var(--primary);
}

/* ========== Page Hero ========== */
.page-hero {
  background: linear-gradient(180deg, #0C0F14 0%, #11151C 100%);
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

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

.breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.3);
}

.breadcrumb .current {
  color: rgba(255, 255, 255, 0.8);
}

.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 16px;
}

.page-hero h1 span {
  color: var(--primary);
}

.page-hero .hero-sub {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 640px;
  margin-bottom: 24px;
  line-height: 1.7;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}

.badge-success {
  background: rgba(24, 194, 124, 0.15);
  color: #2ee79d;
}

.badge-accent {
  background: rgba(255, 174, 61, 0.15);
  color: #FFAE3D;
}

.badge-primary {
  background: rgba(11, 224, 157, 0.15);
  color: var(--primary);
}

/* ========== Trust Strip ========== */
.trust-strip {
  padding: 40px 0;
  background: var(--surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-item {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-light);
  transition: box-shadow var(--transition), transform var(--transition);
}

.trust-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.trust-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: var(--radius-md);
  background: rgba(11, 224, 157, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.trust-item h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.trust-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Section Common ========== */
.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  position: relative;
  padding-bottom: 12px;
}

.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.section-head .section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 500px;
  line-height: 1.7;
}

/* ========== Method Cards ========== */
.method-section {
  background: var(--bg-light);
}

.method-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.method-card {
  display: flex;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.method-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.method-thumb {
  position: relative;
  width: 340px;
  flex-shrink: 0;
  min-height: 220px;
  overflow: hidden;
}

.method-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.method-card:hover .method-thumb img {
  transform: scale(1.04);
}

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 224, 157, 0.15);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
  z-index: 2;
}

.method-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.method-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.method-body .method-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.method-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.method-meta span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--bg-light);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition);
}

.link-more:hover {
  gap: 10px;
  color: var(--primary-dark);
}

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

.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination a,
.pagination .current {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.pagination .current {
  background: var(--primary);
  color: #0C0F14;
  border-color: var(--primary);
}

.pagination a:hover {
  background: var(--bg-light);
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .prev,
.pagination .next {
  gap: 6px;
}

.pagination .prev.disabled,
.pagination .next.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========== Security Steps ========== */
.steps-section {
  background: var(--surface);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-item {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.step-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 12px;
}

.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.faq-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: start;
}

.faq-intro h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.faq-intro h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  margin-top: 12px;
}

.faq-intro p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.faq-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 10px 20px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.faq-contact:hover {
  background: rgba(11, 224, 157, 0.1);
  gap: 12px;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  background: transparent;
  text-align: left;
}

.faq-question span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--bg-light);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-tertiary);
  transition: all 0.3s ease;
}

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

.faq-question:hover .faq-icon {
  border-color: var(--primary);
  color: var(--primary);
}

.faq-item.active .faq-question span {
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #0C0F14;
  border-color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 40px 20px 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== CTA Banner ========== */
.cta-banner {
  background: var(--bg-dark);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(11, 224, 157, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 224, 157, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  line-height: 1.4;
}

.cta-inner h2 span {
  color: var(--primary);
}

.cta-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 28px;
  line-height: 1.7;
}

.cta-btns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
  border-radius: 12px;
}

.cta-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 16px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-dark);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-wrap {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  padding: 5px 0;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

.footer-comply {
  color: rgba(255, 255, 255, 0.4);
}

/* ========== Focus / Accessibility ========== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

a:focus-visible:not(.btn):not(.logo-wrap) {
  outline: none;
  border-radius: 4px;
}

a:focus-visible:not(.btn):not(.logo-wrap)::before {
  content: none;
}

/* ========== Responsive ========== */
@media screen and (max-width: 64em) {
  .section {
    padding: 64px 0;
  }

  .method-thumb {
    width: 280px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-layout {
    grid-template-columns: 260px 1fr;
    gap: 32px;
  }
}

@media screen and (max-width: 40em) {
  .site-header {
    height: 64px;
  }

  .mobile-menu {
    top: 64px;
  }

  .main-nav {
    display: none;
  }

  .header-right .online-badge {
    display: none;
  }

  .header-right .btn-sm {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .page-hero {
    padding: 48px 0 40px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .page-hero .hero-sub {
    font-size: 14px;
  }

  .section {
    padding: 48px 0;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .trust-item {
    padding: 20px 12px;
  }

  .trust-item h3 {
    font-size: 14px;
  }

  .trust-item p {
    font-size: 12px;
  }

  .method-card {
    flex-direction: column;
  }

  .method-thumb {
    width: 100%;
    min-height: 180px;
    max-height: 220px;
  }

  .method-body {
    padding: 20px 16px;
  }

  .method-body h3 {
    font-size: 18px;
  }

  .method-body .method-desc {
    font-size: 14px;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .step-item {
    padding: 24px 16px;
  }

  .step-item p {
    font-size: 12px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .faq-intro h2 {
    font-size: 22px;
  }

  .cta-banner {
    padding: 48px 0;
  }

  .cta-inner h2 {
    font-size: 22px;
  }

  .cta-btns {
    flex-direction: column;
    width: 100%;
  }

  .cta-btns .btn {
    width: 100%;
    max-width: 280px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .site-footer {
    padding: 40px 0 24px;
  }

  .pagination a,
  .pagination .current {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    font-size: 13px;
  }
}