/* roulang page: index */
:root{
  --bg-deep:#0A2E1C;
  --bg-forest:#123E25;
  --bg-panel:#0E3520;
  --gold:#FFD700;
  --gold-soft:#F5D96B;
  --red:#D32F2F;
  --white:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9CCDBF;
  --border:rgba(255,215,0,.28);
  --border-soft:rgba(209,242,235,.14);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-gold:0 6px 24px rgba(255,215,0,.18);
  --font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-deep);color:var(--white);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--gold-soft);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
button,input,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.3}
section{padding:64px 0}
.sec-head{margin-bottom:32px;max-width:720px}
.sec-head h2{font-size:30px;color:var(--white);margin-bottom:10px}
.sec-head h2 span{color:var(--gold)}
.sec-head p{color:var(--mint-dim);font-size:15.5px}
.badge-kw{display:inline-block;background:rgba(255,215,0,.12);border:1px solid var(--border);color:var(--gold);font-size:12.5px;font-weight:600;letter-spacing:.06em;padding:5px 14px;border-radius:999px;margin-bottom:14px;text-transform:uppercase}

/* ===== NAV ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,46,28,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--gold);white-space:nowrap}
.logo .logo-chip{width:36px;height:36px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFE566,#C9A227 70%);display:flex;align-items:center;justify-content:center;color:#3d2c00;font-size:15px;font-weight:900;border:2px solid #FFF3B0;box-shadow:0 0 12px rgba(255,215,0,.45);flex-shrink:0}
.logo small{display:block;font-size:10.5px;color:var(--mint-dim);font-weight:500;letter-spacing:.04em}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{padding:8px 14px;border-radius:8px;color:var(--mint);font-size:14.5px;font-weight:600}
.main-nav a:hover{background:rgba(255,215,0,.1);color:var(--gold)}
.main-nav a.active{background:rgba(255,215,0,.16);color:var(--gold);border:1px solid var(--border)}
.nav-auth{display:flex;align-items:center;gap:10px}
.btn-login{color:var(--mint);font-weight:600;font-size:14px;padding:8px 10px;background:none;border:none;cursor:pointer}
.btn-login:hover{color:var(--gold)}
.btn-signup{background:linear-gradient(135deg,#FFD700,#E8A800);color:#3d2c00;font-weight:800;font-size:14px;padding:10px 20px;border-radius:999px;border:none;cursor:pointer;box-shadow:var(--shadow-gold);transition:transform .2s,box-shadow .2s;white-space:nowrap}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,215,0,.35)}
.btn-signup:active{transform:translateY(0) scale(.97)}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;color:var(--gold);padding:7px 11px;cursor:pointer;font-size:17px}
@media(max-width:900px){
  .main-nav{position:fixed;top:66px;left:0;right:0;background:#0C3320;flex-direction:column;padding:14px 20px 20px;gap:4px;border-bottom:1px solid var(--border);display:none}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .nav-toggle{display:block;margin-left:auto}
  .nav-auth{margin-left:0}
  .logo small{display:none}
}
@media(max-width:520px){
  .btn-signup{padding:9px 14px;font-size:13px}
  .logo{font-size:14px}
}

/* ===== HERO ===== */
.hero{padding:0;margin-top:66px;position:relative;background:linear-gradient(rgba(6,32,19,.88),rgba(10,46,28,.94)),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:72px 0 64px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(211,47,47,.18);border:1px solid rgba(211,47,47,.5);color:#FFB3B3;font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.05em}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:#FF5252;animation:blink 1.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{font-size:40px;font-weight:900;color:var(--white);margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--gold);text-shadow:0 0 24px rgba(255,215,0,.35)}
.hero-lead{color:var(--mint);font-size:16.5px;margin-bottom:26px;max-width:560px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.btn-primary{display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,#FFD700,#E8A800);color:#3d2c00;font-weight:800;font-size:15.5px;padding:14px 28px;border-radius:999px;box-shadow:var(--shadow-gold);transition:transform .2s,box-shadow .2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,215,0,.4);color:#3d2c00}
.btn-primary:active{transform:scale(.97)}
.btn-outline{display:inline-flex;align-items:center;gap:9px;background:transparent;border:1.5px solid var(--gold);color:var(--gold);font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;transition:background .2s}
.btn-outline:hover{background:rgba(255,215,0,.12);color:var(--gold)}
.hero-points{display:flex;gap:26px;flex-wrap:wrap}
.hero-points .hp b{display:block;font-size:22px;color:var(--gold)}
.hero-points .hp span{font-size:13px;color:var(--mint-dim)}
.hero-demo{background:rgba(10,46,28,.75);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.hero-demo h3{font-size:15px;color:var(--gold);margin-bottom:16px;letter-spacing:.03em}
.demo-step{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--border-soft)}
.demo-step:last-child{border-bottom:none}
.demo-step .num{width:30px;height:30px;border-radius:50%;background:rgba(255,215,0,.15);border:1px solid var(--border);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13.5px;flex-shrink:0}
.demo-step b{display:block;font-size:14.5px;color:var(--white)}
.demo-step p{font-size:13px;color:var(--mint-dim)}
.demo-note{margin-top:16px;font-size:12.5px;color:var(--mint-dim);display:flex;align-items:center;gap:8px}
.demo-note .lock{color:#7CE0B3}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:52px 0 48px}
  .hero h1{font-size:31px}
}
@media(max-width:520px){
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px}
}

/* ===== CHANNEL / 3 STEPS ===== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{background:var(--bg-panel);border:1px solid var(--border-soft);border-left:3px solid var(--gold);border-radius:var(--radius-sm);padding:24px}
.step-card .s-ico{font-size:26px;margin-bottom:12px}
.step-card h3{font-size:17px;color:var(--gold-soft);margin-bottom:8px}
.step-card p{font-size:14px;color:var(--mint-dim)}
.objections{margin-top:34px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.obj-item{display:flex;gap:12px;align-items:flex-start}
.obj-item .q-mark{color:var(--red);font-weight:900;font-size:18px;flex-shrink:0;background:rgba(211,47,47,.15);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.obj-item b{display:block;font-size:14.5px;color:var(--white);margin-bottom:3px}
.obj-item p{font-size:13.5px;color:var(--mint-dim)}
@media(max-width:900px){.steps-grid{grid-template-columns:1fr}.objections{grid-template-columns:1fr}}

/* ===== TRUST STRIP ===== */
.trust-strip{background:linear-gradient(90deg,#0C3320,#12472B);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:26px 0}
.trust-row{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:12px;min-width:200px}
.trust-item .t-ico{width:44px;height:44px;border-radius:50%;background:rgba(255,215,0,.12);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.trust-item b{display:block;font-size:14.5px;color:var(--gold-soft)}
.trust-item span{font-size:12.5px;color:var(--mint-dim)}

/* ===== STATS ===== */
.stats-bar{background:var(--bg-forest);border-radius:var(--radius);border:1px solid var(--border);padding:34px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:32px;font-weight:900;color:var(--gold);margin-bottom:4px}
.stat span{font-size:13.5px;color:var(--mint-dim)}
@media(max-width:900px){.stats-bar{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.stat b{font-size:25px}}

/* ===== GAME CARDS ===== */
.games-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.game-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;position:relative;transition:transform .25s,box-shadow .25s}
.game-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(0,0,0,.45),0 0 18px rgba(255,215,0,.2)}
.game-card .g-tag{position:absolute;top:10px;left:10px;background:var(--red);color:#fff;font-size:11px;font-weight:800;padding:3px 10px;border-radius:999px;letter-spacing:.05em;z-index:2}
.game-card .g-tag.new{background:#1B8A4C}
.game-card img{height:150px;width:100%;object-fit:cover}
.game-card .g-body{padding:16px}
.game-card h3{font-size:15.5px;color:var(--white);margin-bottom:5px}
.game-card .g-meta{font-size:12.5px;color:var(--mint-dim);margin-bottom:12px}
.game-card .g-meta .star{color:var(--gold)}
.g-dl{display:block;text-align:center;background:rgba(255,215,0,.14);border:1px solid var(--border);color:var(--gold);font-weight:700;font-size:13.5px;padding:9px 0;border-radius:8px;transition:background .2s}
.g-dl:hover{background:rgba(255,215,0,.26);color:var(--gold)}
@media(max-width:1024px){.games-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.games-grid{grid-template-columns:1fr}}

/* ===== GUIDE ===== */
.guide-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.guide-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.guide-img img{width:100%;height:100%;object-fit:cover}
.guide-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--border-soft)}
.guide-list li:last-child{border-bottom:none}
.guide-list .g-num{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#FFD700,#C9A227);color:#3d2c00;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px}
.guide-list b{display:block;color:var(--white);font-size:15px;margin-bottom:3px}
.guide-list p{font-size:13.5px;color:var(--mint-dim)}
@media(max-width:900px){.guide-wrap{grid-template-columns:1fr}}

/* ===== NOTES ===== */
.notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.note-item{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:22px;display:flex;gap:14px}
.note-item .n-ico{font-size:22px;flex-shrink:0}
.note-item b{display:block;color:var(--gold-soft);font-size:15px;margin-bottom:5px}
.note-item p{font-size:13.5px;color:var(--mint-dim)}
@media(max-width:768px){.notes-grid{grid-template-columns:1fr}}

/* ===== REVIEWS ===== */
.review-head{display:flex;align-items:center;gap:22px;margin-bottom:28px;flex-wrap:wrap}
.review-score{background:var(--bg-forest);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px 26px;text-align:center}
.review-score b{font-size:34px;color:var(--gold);display:block}
.review-score span{font-size:12.5px;color:var(--mint-dim)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:22px;position:relative}
.review-card::before{content:'"';position:absolute;top:8px;right:16px;font-size:52px;color:rgba(255,215,0,.15);font-family:Georgia,serif;line-height:1}
.review-card .stars{color:var(--gold);font-size:14px;margin-bottom:10px;letter-spacing:2px}
.review-card p{font-size:14px;color:var(--mint);margin-bottom:16px}
.review-user{display:flex;align-items:center;gap:10px}
.review-user .avt{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#1B8A4C,#0E5C31);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px;border:2px solid var(--border)}
.review-user b{font-size:13.5px;color:var(--white);display:block}
.review-user span{font-size:12px;color:var(--mint-dim)}
@media(max-width:900px){.reviews-grid{grid-template-columns:1fr}}

/* ===== LEAD FORM ===== */
.lead-sec{background:linear-gradient(rgba(10,46,28,.9),rgba(10,46,28,.94)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.lead-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.lead-copy h2{font-size:28px;margin-bottom:12px}
.lead-copy h2 span{color:var(--gold)}
.lead-copy p{color:var(--mint-dim);font-size:15px;margin-bottom:20px}
.lead-perks li{display:flex;gap:10px;align-items:center;font-size:14.5px;color:var(--mint);padding:6px 0}
.lead-perks .chk{color:var(--gold);font-weight:900}
.lead-form{background:rgba(14,53,32,.92);border:1px solid var(--border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.lead-form h3{font-size:18px;color:var(--gold);margin-bottom:18px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--mint-dim);margin-bottom:6px;font-weight:600}
.form-group input,.form-group select{width:100%;background:#0A2A18;border:1px solid var(--border-soft);border-radius:8px;padding:12px 14px;color:var(--white);font-size:14.5px;transition:border .2s}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,215,0,.15)}
.form-group input::placeholder{color:#5E8272}
.lead-form .btn-primary{width:100%;justify-content:center;border:none;cursor:pointer}
.form-note{font-size:12px;color:var(--mint-dim);margin-top:12px;text-align:center}
@media(max-width:900px){.lead-wrap{grid-template-columns:1fr}}

/* ===== NEWS ===== */
.news-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:start}
.news-list li{border-bottom:1px dashed var(--border-soft)}
.news-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 4px;color:var(--mint)}
.news-list a:hover{color:var(--gold);background:rgba(255,215,0,.05)}
.news-list .n-title{font-size:15px;font-weight:600;display:flex;gap:10px;align-items:center}
.news-list .n-title::before{content:'◆';color:var(--gold);font-size:10px}
.news-list .n-date{font-size:12.5px;color:var(--mint-dim);white-space:nowrap}
.news-empty{padding:24px;text-align:center;color:var(--mint-dim);border:1px dashed var(--border-soft);border-radius:var(--radius-sm);font-size:14px}
.news-side{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.news-side img{height:170px;width:100%;object-fit:cover}
.news-side .ns-body{padding:22px}
.news-side h3{font-size:17px;color:var(--gold-soft);margin-bottom:8px}
.news-side p{font-size:13.5px;color:var(--mint-dim);margin-bottom:16px}
@media(max-width:900px){.news-wrap{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-list{max-width:820px}
.faq-item{border:1px solid var(--border-soft);border-radius:var(--radius-sm);margin-bottom:14px;background:var(--bg-panel);overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;color:var(--white);display:flex;justify-content:space-between;align-items:center;gap:14px;list-style:none;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';color:var(--gold);font-size:22px;font-weight:400;flex-shrink:0}
.faq-item[open] summary::after{content:'−'}
.faq-item[open] summary{color:var(--gold)}
.faq-item .faq-a{padding:0 22px 20px;font-size:14.5px;color:var(--mint-dim)}

/* ===== PRIVACY ===== */
.privacy-sec{padding:44px 0;background:#092718;border-top:1px solid var(--border-soft)}
.privacy-box{display:flex;gap:18px;align-items:flex-start;max-width:900px}
.privacy-box .p-ico{font-size:28px;flex-shrink:0}
.privacy-box h2{font-size:19px;color:var(--gold-soft);margin-bottom:8px}
.privacy-box p{font-size:14px;color:var(--mint-dim)}

/* ===== FOOTER ===== */
.site-footer{background:#071F12;border-top:2px solid var(--gold);padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px}
.footer-grid h4{font-size:14.5px;color:var(--gold);margin-bottom:14px;letter-spacing:.04em;text-transform:uppercase}
.footer-grid p{font-size:13.5px;color:var(--mint-dim)}
.footer-grid ul li{margin-bottom:9px}
.footer-grid ul a{font-size:13.5px;color:var(--mint-dim)}
.footer-grid ul a:hover{color:var(--gold)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--gold);font-size:15.5px;margin-bottom:14px}
.pay-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.pay-badges span{background:rgba(255,255,255,.08);border:1px solid var(--border-soft);border-radius:6px;padding:5px 12px;font-size:12px;color:var(--mint);font-weight:600}
.age-badge{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;border:2px solid var(--red);color:#FF8A8A;font-weight:900;font-size:14px;margin-top:14px}
.footer-bottom{border-top:1px solid var(--border-soft);padding:18px 0;font-size:12.5px;color:#6E9483;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:90;width:60px;height:60px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#2a1010,#160404 75%);border:3px solid var(--gold);display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;box-shadow:0 4px 20px rgba(255,215,0,.3);opacity:.75;animation:fabFloat 3s ease-in-out infinite;transition:transform .25s,opacity .25s;text-decoration:none}
.fab:hover{transform:scale(1.1);opacity:1}
.fab:hover .fab-ico{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .fab-ico{transition:transform .5s;display:block}
.fab .fab-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:#E31B1B;border:2px solid #FFD700;animation:blink 1.2s infinite}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* focus states */
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}

/* roulang page: article */
:root {
  --primary-bg: #0A2E1C;
  --secondary-bg: #123E25;
  --accent-gold: #FFD700;
  --accent-red: #D32F2F;
  --text-primary: #FFFFFF;
  --text-secondary: #D1F2EB;
  --text-muted: #8FA99F;
  --border-color: #1F5437;
  --card-bg: #0F3823;
  --hover-bg: #1A4A2E;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 20px rgba(255,215,0,0.15);
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 72px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #FFF3B0;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.site-header {
  background: rgba(10,46,28,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: var(--shadow-sm);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent-gold);
}

.logo-chip {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3d2c00;
  font-weight: 900;
  font-size: 16px;
  border: 2px solid #FFF3B0;
  box-shadow: 0 3px 12px rgba(255,215,0,0.3);
}

.logo span:not(.logo-chip) {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo small {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  opacity: 0.8;
}

.main-nav {
  display: flex;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  background: var(--hover-bg);
  color: var(--accent-gold);
}

.main-nav a.active {
  background: var(--accent-gold);
  color: #0A2E1C;
}

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

.btn-login {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-login:hover {
  background: var(--hover-bg);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn-signup {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  border: none;
  border-radius: var(--radius-sm);
  color: #0A2E1C;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(255,215,0,0.3);
  transition: all 0.3s ease;
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,215,0,0.4);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 24px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Article Hero */
.article-hero {
  background: linear-gradient(135deg, rgba(26,74,46,0.6) 0%, rgba(15,56,35,0.8) 100%), 
              url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: 80px 0 60px;
  border-bottom: 2px solid var(--border-color);
  position: relative;
}

.article-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top, rgba(255,215,0,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.article-hero .container {
  position: relative;
  z-index: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.article-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  color: #0A2E1C;
  font-size: 13px;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.article-date {
  color: var(--text-secondary);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-date::before {
  content: '📅';
}

.article-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.article-excerpt {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 800px;
}

/* Article Content */
.article-section {
  padding: 60px 0;
}

.article-container {
  max-width: 820px;
  margin: 0 auto;
}

.article-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.article-content h2 {
  font-size: 32px;
  font-weight: 700;
  margin: 40px 0 20px;
  color: var(--accent-gold);
  border-left: 4px solid var(--accent-gold);
  padding-left: 16px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-size: 24px;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.article-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 28px;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 12px;
  line-height: 1.7;
}

.article-content strong {
  color: var(--accent-gold);
  font-weight: 700;
}

.article-content a {
  color: var(--accent-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: #FFF3B0;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 32px 0;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.article-content blockquote {
  background: rgba(255,215,0,0.05);
  border-left: 4px solid var(--accent-gold);
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: var(--radius-sm);
  font-style: italic;
  color: var(--text-secondary);
}

.article-content code {
  background: rgba(0,0,0,0.3);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--accent-gold);
}

.article-content pre {
  background: rgba(0,0,0,0.4);
  padding: 20px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--border-color);
}

.article-content pre code {
  background: none;
  padding: 0;
}

/* Not Found State */
.not-found-wrap {
  text-align: center;
  padding: 80px 20px;
}

.not-found-icon {
  font-size: 72px;
  margin-bottom: 24px;
  opacity: 0.5;
}

.not-found-wrap h2 {
  font-size: 28px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.not-found-wrap p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  color: #0A2E1C;
  font-weight: 700;
  font-size: 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(255,215,0,0.3);
  transition: all 0.3s ease;
}

.btn-home:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(255,215,0,0.4);
  color: #0A2E1C;
}

/* Sidebar */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-widget {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 8px;
}

.related-list {
  list-style: none;
  padding: 0;
}

.related-list li {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.related-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.related-list a {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  display: block;
  transition: all 0.3s ease;
}

.related-list a:hover {
  color: var(--accent-gold);
  padding-left: 6px;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  padding: 40px;
  border-radius: var(--radius-lg);
  margin: 60px 0;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.cta-banner h3 {
  font-size: 28px;
  font-weight: 800;
  color: #0A2E1C;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 16px;
  color: rgba(10,46,28,0.8);
  margin-bottom: 24px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: #0A2E1C;
  color: var(--accent-gold);
  font-weight: 700;
  font-size: 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
  color: #FFF3B0;
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, rgba(10,46,28,0.6) 0%, #0A2E1C 100%);
  border-top: 2px solid var(--border-color);
  padding: 60px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-gold);
}

.footer-grid p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.age-badge {
  display: inline-block;
  padding: 6px 12px;
  background: var(--accent-red);
  color: white;
  font-size: 13px;
  font-weight: 700;
  border-radius: 4px;
  border: 2px solid rgba(255,255,255,0.3);
}

.footer-grid h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-grid ul {
  list-style: none;
}

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

.footer-grid a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.3s ease;
}

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

.pay-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pay-badges span {
  padding: 6px 12px;
  background: rgba(255,215,0,0.1);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 600;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* FAB */
.fab {
  position: fixed;
  left: 20px;
  bottom: 100px;
  z-index: 998;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  border: 3px solid #FFF3B0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 20px rgba(255,215,0,0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0.7;
  animation: fabFloat 3s ease-in-out infinite;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.1) rotate(360deg);
  box-shadow: 0 6px 28px rgba(255,215,0,0.5);
}

@keyframes fabFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Responsive */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-wrap {
    flex-wrap: wrap;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 4;
    gap: 0;
    background: rgba(15,56,35,0.95);
    border-radius: var(--radius-sm);
    padding: 8px;
    margin-top: 12px;
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .main-nav a {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
  }
  
  .article-hero {
    padding: 60px 0 40px;
  }
  
  .article-title {
    font-size: 32px;
  }
  
  .article-excerpt {
    font-size: 16px;
  }
  
  .article-content {
    padding: 32px 24px;
  }
  
  .article-content h2 {
    font-size: 26px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .fab {
    width: 56px;
    height: 56px;
    font-size: 24px;
    left: 16px;
    bottom: 80px;
  }
}

@media (max-width: 520px) {
  .logo span:not(.logo-chip) {
    font-size: 15px;
  }
  
  .logo small {
    font-size: 10px;
  }
  
  .nav-auth {
    gap: 6px;
  }
  
  .btn-login,
  .btn-signup {
    padding: 9px 16px;
    font-size: 13px;
  }
  
  .article-title {
    font-size: 26px;
  }
  
  .article-content {
    padding: 24px 20px;
  }
  
  .cta-banner {
    padding: 32px 24px;
  }
  
  .cta-banner h3 {
    font-size: 22px;
  }
}

/* roulang page: category1 */
:root {
  --primary-gold: #FFD700;
  --primary-jade: #0A2E1C;
  --accent-red: #D32F2F;
  --bg-dark: #123E25;
  --text-light: #FFFFFF;
  --text-mint: #D1F2EB;
  --border-gold: #FFC107;
  --shadow-gold: rgba(255, 215, 0, 0.3);
  --shadow-dark: rgba(0, 0, 0, 0.5);
  --radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--primary-jade) 0%, var(--bg-dark) 100%);
  color: var(--text-light);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

a:hover {
  color: var(--border-gold);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.site-header {
  background: rgba(10, 46, 28, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--primary-gold);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px var(--shadow-dark);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-gold);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-chip {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3d2c00;
  font-weight: 900;
  font-size: 16px;
  border: 3px solid #FFF3B0;
  box-shadow: 0 2px 10px var(--shadow-gold);
}

.logo span:not(.logo-chip) {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo small {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-mint);
  opacity: 0.9;
}

.nav-toggle {
  display: none;
  background: var(--primary-gold);
  border: none;
  color: var(--primary-jade);
  font-size: 24px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--border-gold);
  transform: scale(1.05);
}

.main-nav {
  display: flex;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  color: var(--text-mint);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--primary-gold);
  color: var(--primary-jade);
  transform: translateY(-2px);
}

.nav-auth {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-login {
  background: transparent;
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  padding: 8px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.btn-login:hover {
  background: var(--primary-gold);
  color: var(--primary-jade);
}

.btn-signup {
  background: linear-gradient(135deg, var(--accent-red) 0%, #B71C1C 100%);
  border: none;
  color: var(--text-light);
  padding: 8px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
  transition: var(--transition);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(211, 47, 47, 0.6);
}

/* Hero Section */
.hero-banner {
  background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.9)), url('/assets/images/backpic/back-1.jpg') center/cover;
  padding: 60px 0;
  border-bottom: 3px solid var(--primary-gold);
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 50px,
    rgba(255, 215, 0, 0.03) 50px,
    rgba(255, 215, 0, 0.03) 51px
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-content h1 {
  font-size: 42px;
  font-weight: 900;
  color: var(--primary-gold);
  margin-bottom: 20px;
  text-shadow: 0 2px 10px var(--shadow-dark);
  line-height: 1.2;
}

.hero-content p {
  font-size: 18px;
  color: var(--text-mint);
  margin-bottom: 30px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.stat-item {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--primary-gold);
  border-radius: var(--radius);
  padding: 16px 28px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 32px;
  color: var(--primary-gold);
  font-weight: 900;
}

.stat-item span {
  font-size: 14px;
  color: var(--text-mint);
}

/* Download Grid Section */
.download-section {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(18, 62, 37, 0.5) 0%, rgba(10, 46, 28, 0.8) 100%);
}

.section-header {
  text-align: left;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 36px;
  color: var(--primary-gold);
  margin-bottom: 12px;
  font-weight: 800;
}

.section-header p {
  font-size: 16px;
  color: var(--text-mint);
  max-width: 700px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.download-card {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, rgba(10, 46, 28, 0.6) 100%);
  border: 1px solid var(--primary-gold);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--primary-gold), var(--accent-red));
  border-radius: var(--radius);
  opacity: 0;
  z-index: -1;
  transition: var(--transition);
}

.download-card:hover::before {
  opacity: 0.3;
}

.download-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px var(--shadow-gold);
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent-red);
  color: var(--text-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(211, 47, 47, 0.5);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary-jade);
  margin-bottom: 16px;
  box-shadow: 0 4px 12px var(--shadow-gold);
}

.download-card h3 {
  font-size: 20px;
  color: var(--primary-gold);
  margin-bottom: 8px;
  font-weight: 700;
}

.card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-mint);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.download-card p {
  font-size: 14px;
  color: var(--text-mint);
  margin-bottom: 16px;
  line-height: 1.5;
}

.btn-download {
  width: 100%;
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--border-gold) 100%);
  border: none;
  color: var(--primary-jade);
  padding: 12px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-gold);
}

/* Security Features */
.security-section {
  padding: 80px 0;
  background: rgba(10, 46, 28, 0.6);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.security-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255, 215, 0, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius);
  transition: var(--transition);
}

.security-item:hover {
  border-color: var(--primary-gold);
  background: rgba(255, 215, 0, 0.1);
}

.security-item i {
  font-size: 48px;
  color: var(--primary-gold);
  margin-bottom: 16px;
}

.security-item h3 {
  font-size: 20px;
  color: var(--primary-gold);
  margin-bottom: 10px;
}

.security-item p {
  font-size: 14px;
  color: var(--text-mint);
  line-height: 1.6;
}

/* Installation Guide */
.guide-section {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(18, 62, 37, 0.7) 0%, rgba(10, 46, 28, 0.9) 100%);
}

.guide-steps {
  display: grid;
  gap: 24px;
  margin-top: 40px;
  max-width: 800px;
}

.step-item {
  display: flex;
  gap: 20px;
  background: rgba(255, 215, 0, 0.05);
  border-left: 4px solid var(--primary-gold);
  padding: 24px;
  border-radius: var(--radius);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary-gold);
  color: var(--primary-jade);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
}

.step-content h3 {
  font-size: 20px;
  color: var(--primary-gold);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: var(--text-mint);
  line-height: 1.6;
}

/* FAQ Section */
.faq-section {
  padding: 80px 0;
  background: rgba(10, 46, 28, 0.7);
}

.faq-list {
  max-width: 900px;
  margin-top: 40px;
}

.faq-item {
  background: rgba(255, 215, 0, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-gold);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--primary-gold);
  padding: 20px 24px;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(255, 215, 0, 0.1);
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-mint);
  font-size: 15px;
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-icon {
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent-red) 0%, #B71C1C 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/backpic/back-2.jpg') center/cover;
  opacity: 0.1;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 38px;
  color: var(--text-light);
  margin-bottom: 16px;
  font-weight: 900;
}

.cta-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 30px;
  line-height: 1.6;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-gold);
  color: var(--primary-jade);
  padding: 16px 40px;
  border-radius: var(--radius);
  font-size: 18px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-cta:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Footer */
.site-footer {
  background: rgba(10, 46, 28, 0.95);
  border-top: 2px solid var(--primary-gold);
  padding: 50px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-gold);
  margin-bottom: 12px;
}

.footer-grid p {
  color: var(--text-mint);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.age-badge {
  display: inline-block;
  background: var(--accent-red);
  color: var(--text-light);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 13px;
  border: 2px solid var(--text-light);
}

.footer-grid h4 {
  color: var(--primary-gold);
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-grid ul {
  list-style: none;
}

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

.footer-grid ul li a {
  color: var(--text-mint);
  font-size: 14px;
  transition: var(--transition);
}

.footer-grid ul li a:hover {
  color: var(--primary-gold);
  padding-left: 5px;
}

.pay-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pay-badges span {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 215, 0, 0.2);
  padding-top: 20px;
  text-align: center;
  color: var(--text-mint);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* FAB */
.fab {
  position: fixed;
  left: 20px;
  bottom: 96px;
  z-index: 999;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  border: 3px solid #FFF3B0;
  box-shadow: 0 4px 20px var(--shadow-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0.7;
  animation: float 3s ease-in-out infinite;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.1) rotate(360deg);
  box-shadow: 0 6px 30px var(--shadow-gold);
}

.fab i {
  font-size: 28px;
  color: var(--primary-jade);
}

.fab-notification {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: var(--accent-red);
  border-radius: 50%;
  border: 2px solid var(--text-light);
  animation: pulse 2s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 46, 28, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    border-top: 1px solid var(--primary-gold);
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
  }

  .nav-auth {
    display: flex;
  }

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

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

  .hero-stats {
    gap: 20px;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .security-grid {
    grid-template-columns: 1fr;
  }

  .step-item {
    flex-direction: column;
    text-align: center;
  }

  .cta-content h2 {
    font-size: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .fab {
    width: 56px;
    height: 56px;
    left: 16px;
    bottom: 80px;
  }

  .fab i {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .logo {
    font-size: 14px;
  }

  .logo-chip {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .logo small {
    font-size: 9px;
  }

  .hero-content h1 {
    font-size: 24px;
  }

  .stat-item strong {
    font-size: 24px;
  }

  .btn-cta {
    padding: 14px 30px;
    font-size: 16px;
  }
}

/* roulang page: category2 */
:root {
  --primary-bg: #0A2E1C;
  --secondary-bg: #123E25;
  --accent-gold: #FFD700;
  --accent-red: #D32F2F;
  --text-white: #FFFFFF;
  --text-pale: #D1F2EB;
  --text-muted: #93C5B5;
  --border-color: rgba(255, 215, 0, 0.2);
  --card-bg: rgba(18, 62, 37, 0.6);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.35);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
  color: var(--text-white);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #FFF3B0;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: rgba(10, 46, 28, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-white);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--accent-gold);
}

.logo-chip {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3d2c00;
  font-size: 16px;
  font-weight: 900;
  border: 2px solid #FFF3B0;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
  flex-shrink: 0;
}

.logo small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-pale);
  margin-top: -2px;
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--accent-gold);
  font-size: 28px;
  cursor: pointer;
  padding: 4px 8px;
}

.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  flex: 1;
}

.main-nav a {
  color: var(--text-pale);
  font-weight: 600;
  font-size: 15px;
  padding: 8px 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

.main-nav a.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

.nav-auth {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-login {
  background: transparent;
  color: var(--text-white);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.btn-login:hover {
  color: var(--accent-gold);
  background: rgba(255, 215, 0, 0.1);
}

.btn-signup {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
  color: #1a1a1a;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
  transition: all 0.3s ease;
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
}

.hero-banner {
  background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-2.jpg') center/cover;
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 3px solid var(--accent-gold);
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-banner h1 {
  font-size: 42px;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--text-white);
  text-shadow: 0 4px 12px rgba(0,0,0,0.4);
  line-height: 1.2;
}

.hero-banner .lead {
  font-size: 18px;
  color: var(--text-pale);
  max-width: 700px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 24px;
}

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

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

.breadcrumb span {
  color: var(--accent-gold);
}

main {
  padding: 60px 0;
}

.section {
  margin-bottom: 64px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-white);
  position: relative;
  padding-left: 20px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 32px;
  background: linear-gradient(180deg, var(--accent-gold) 0%, var(--accent-red) 100%);
  border-radius: 3px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-pale);
  margin-bottom: 40px;
  line-height: 1.7;
}

.steps-grid {
  display: grid;
  gap: 24px;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-gold) 0%, var(--accent-red) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.step-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-gold);
}

.step-number {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
  color: #1a1a1a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-white);
}

.step-content p {
  font-size: 15px;
  color: var(--text-pale);
  line-height: 1.7;
  margin-bottom: 16px;
}

.step-tips {
  background: rgba(255, 215, 0, 0.1);
  border-left: 3px solid var(--accent-gold);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-pale);
  margin-top: 16px;
}

.step-tips strong {
  color: var(--accent-gold);
  font-weight: 700;
}

.error-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.error-card {
  background: var(--card-bg);
  border: 1px solid rgba(211, 47, 47, 0.3);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.error-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-red);
}

.error-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-red);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.error-title::before {
  content: '⚠';
  font-size: 20px;
}

.error-card p {
  font-size: 15px;
  color: var(--text-pale);
  line-height: 1.7;
  margin-bottom: 16px;
}

.error-solution {
  background: rgba(255, 215, 0, 0.1);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-pale);
}

.error-solution strong {
  color: var(--accent-gold);
  display: block;
  margin-bottom: 8px;
}

.video-showcase {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin: 48px 0;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16/9;
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--accent-gold);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.2);
}

.video-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.tip-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-gold);
}

.tip-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.tip-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-white);
}

.tip-card p {
  font-size: 14px;
  color: var(--text-pale);
  line-height: 1.6;
}

.faq-list {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--accent-gold);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  background: transparent;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: var(--accent-gold);
}

.faq-toggle {
  font-size: 20px;
  color: var(--accent-gold);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-pale);
  line-height: 1.7;
}

.cta-section {
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.2) 0%, rgba(255, 215, 0, 0.2) 100%);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  margin: 64px 0;
  box-shadow: var(--shadow-lg);
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--text-white);
}

.cta-section p {
  font-size: 17px;
  color: var(--text-pale);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
  color: #1a1a1a;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
  color: #000;
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  border: 2px solid var(--text-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.site-footer {
  background: rgba(10, 46, 28, 0.95);
  border-top: 2px solid var(--accent-gold);
  padding: 48px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 16px;
}

.site-footer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.age-badge {
  display: inline-block;
  background: var(--accent-red);
  color: var(--text-white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
}

.site-footer h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.site-footer ul {
  list-style: none;
}

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

.site-footer ul li a {
  color: var(--text-muted);
  font-size: 14px;
  transition: all 0.3s ease;
}

.site-footer ul li a:hover {
  color: var(--accent-gold);
  padding-left: 4px;
}

.pay-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pay-badges span {
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.fab {
  position: fixed;
  left: 20px;
  bottom: 96px;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  border: 3px solid #FFF3B0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
  transition: all 0.3s ease;
  opacity: 0.7;
  animation: float 3s ease-in-out infinite;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
}

.fab::before {
  content: '💎';
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 280px;
    height: calc(100vh - 72px);
    background: rgba(10, 46, 28, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 8px;
    border-right: 1px solid var(--border-color);
    transition: left 0.3s ease;
    overflow-y: auto;
  }
  
  .main-nav.active {
    left: 0;
  }
  
  .main-nav a {
    width: 100%;
    padding: 12px 16px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }
  
  .main-nav a.active,
  .main-nav a:hover {
    border-left-color: var(--accent-gold);
    background: rgba(255, 215, 0, 0.1);
  }
  
  .hero-banner h1 {
    font-size: 28px;
  }
  
  .hero-banner .lead {
    font-size: 16px;
  }
  
  .section-title {
    font-size: 24px;
  }
  
  .step-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }
  
  .step-number {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
  
  .error-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }
  
  .video-showcase {
    padding: 24px;
  }
  
  .cta-section {
    padding: 32px 24px;
  }
  
  .cta-section h2 {
    font-size: 24px;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .fab {
    width: 56px;
    height: 56px;
    font-size: 24px;
    left: 16px;
    bottom: 80px;
  }
}

/* roulang page: category3 */
:root {
  --primary-bg: #0A2E1C;
  --secondary-bg: #123E25;
  --accent-gold: #FFD700;
  --accent-red: #D32F2F;
  --text-light: #FFFFFF;
  --text-muted: #D1F2EB;
  --card-bg: #1A4D32;
  --border-gold: #FFD700;
  --shadow-dark: rgba(0,0,0,0.5);
  --shadow-gold: rgba(255,215,0,0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --spacing: 24px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
  color: var(--text-light);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.site-header {
  background: rgba(10, 46, 28, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--accent-gold);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px var(--shadow-dark);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-light);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.logo-chip {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3d2c00;
  font-weight: 900;
  font-size: 16px;
  border: 3px solid #FFF3B0;
  box-shadow: 0 3px 12px var(--shadow-gold);
}

.logo small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: -2px;
}

.nav-toggle {
  display: none;
  background: var(--accent-gold);
  border: none;
  color: var(--primary-bg);
  font-size: 24px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: #FFC700;
  transform: scale(1.05);
}

.main-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover {
  background: rgba(255, 215, 0, 0.15);
  color: var(--accent-gold);
}

.main-nav a.active {
  background: var(--accent-gold);
  color: var(--primary-bg);
  font-weight: 700;
}

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

.btn-login {
  background: transparent;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-login:hover {
  background: rgba(255, 215, 0, 0.1);
}

.btn-signup {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFC700 100%);
  border: none;
  color: var(--primary-bg);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px var(--shadow-gold);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-gold);
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, rgba(18, 62, 37, 0.95) 0%, rgba(10, 46, 28, 0.95) 100%), url('/assets/images/backpic/back-2.jpg') center/cover;
  padding: 60px 0;
  border-bottom: 3px solid var(--accent-gold);
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.hero-banner::after {
  content: '';
  position: absolute;
  top: 0;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.2); opacity: 0.6; }
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-red);
  color: var(--text-light);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
}

.hero-content h1 {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-light);
  text-shadow: 2px 2px 8px var(--shadow-dark);
}

.hero-content h1 .highlight {
  color: var(--accent-gold);
  display: inline-block;
  position: relative;
}

.hero-content p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFC700 100%);
  color: var(--primary-bg);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  box-shadow: 0 6px 20px var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px var(--shadow-gold);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: var(--text-light);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 215, 0, 0.3);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-gold);
}

/* Quick Stats */
.quick-stats {
  background: rgba(26, 77, 50, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 48px;
  box-shadow: 0 8px 24px var(--shadow-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 900;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 8px;
  text-shadow: 0 2px 8px var(--shadow-gold);
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Step Guide */
.step-guide {
  margin-bottom: 48px;
}

.section-header {
  text-align: left;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-light);
}

.section-header p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 700px;
}

.steps-container {
  display: grid;
  gap: 32px;
}

.step-card {
  background: linear-gradient(135deg, rgba(26, 77, 50, 0.8) 0%, rgba(18, 62, 37, 0.6) 100%);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-red) 100%);
  border-radius: var(--radius);
  z-index: -1;
  opacity: 0;
  transition: var(--transition);
}

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

.step-card:hover {
  transform: translateX(8px);
  box-shadow: 0 12px 32px var(--shadow-dark);
}

.step-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFC700 100%);
  color: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow: 0 4px 16px var(--shadow-gold);
}

.step-title h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-light);
}

.step-title .step-time {
  font-size: 13px;
  color: var(--accent-gold);
  font-weight: 600;
}

.step-body {
  padding-left: 80px;
}

.step-body p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.step-details {
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--accent-gold);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
}

.step-details ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.step-details li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.step-details li i {
  color: var(--accent-gold);
  margin-top: 3px;
  flex-shrink: 0;
}

.step-image {
  margin-top: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid rgba(255, 215, 0, 0.2);
}

.step-image img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
}

/* Troubleshooting */
.troubleshooting {
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.15) 0%, rgba(18, 62, 37, 0.3) 100%);
  border: 2px solid var(--accent-red);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 48px;
}

.troubleshooting h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.troubleshooting h2 i {
  color: var(--accent-red);
}

.error-list {
  display: grid;
  gap: 20px;
}

.error-item {
  background: rgba(26, 77, 50, 0.5);
  border-left: 4px solid var(--accent-gold);
  padding: 20px;
  border-radius: var(--radius-sm);
}

.error-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 10px;
}

.error-item p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

.error-item ul {
  margin-top: 12px;
  padding-left: 20px;
  list-style: none;
}

.error-item li {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 6px;
  position: relative;
  padding-left: 20px;
}

.error-item li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-gold);
  font-weight: 700;
}

/* Tips Section */
.tips-section {
  margin-bottom: 48px;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.tip-card {
  background: linear-gradient(135deg, rgba(26, 77, 50, 0.7) 0%, rgba(18, 62, 37, 0.5) 100%);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.tip-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px var(--shadow-dark);
}

.tip-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFC700 100%);
  color: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px var(--shadow-gold);
}

.tip-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-light);
}

.tip-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* FAQ */
.faq-section {
  margin-bottom: 48px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  background: rgba(26, 77, 50, 0.6);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--accent-gold);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent-gold);
}

.faq-question i {
  color: var(--accent-gold);
  font-size: 18px;
  transition: var(--transition);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

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

.faq-answer-content {
  padding: 0 24px 20px 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFC700 100%);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  margin-bottom: 48px;
  box-shadow: 0 12px 32px var(--shadow-gold);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-section h2 {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary-bg);
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: var(--primary-bg);
  margin-bottom: 28px;
  opacity: 0.9;
}

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

.btn-cta-primary {
  background: var(--primary-bg);
  color: var(--accent-gold);
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
}

.btn-cta-secondary {
  background: rgba(10, 46, 28, 0.2);
  color: var(--primary-bg);
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--primary-bg);
  transition: var(--transition);
}

.btn-cta-secondary:hover {
  background: rgba(10, 46, 28, 0.3);
  transform: translateY(-3px);
}

/* Footer */
.site-footer {
  background: rgba(10, 46, 28, 0.95);
  border-top: 2px solid var(--accent-gold);
  padding: 48px 0 24px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-footer p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.site-footer h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
}

.site-footer ul{
  list-style: none;
}

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

.site-footer ul li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.site-footer ul li a:hover {
  color: var(--accent-gold);
  padding-left: 5px;
}

.age-badge {
  display: inline-block;
  background: var(--accent-red);
  color: var(--text-light);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-top: 12px;
}

.pay-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.pay-badges span {
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 215, 0, 0.2);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

/* FAB */
.fab {
  position: fixed;
  left: 20px;
  bottom: 96px;
  z-index: 999;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFE566, #C9A227 70%);
  border: 3px solid #FFF3B0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #3d2c00;
  text-decoration: none;
  box-shadow: 0 6px 24px var(--shadow-gold);
  transition: var(--transition);
  animation: float 3s ease-in-out infinite;
  opacity: 0.8;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.1) rotate(360deg);
  box-shadow: 0 8px 32px var(--shadow-gold);
}

.fab::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  background: var(--accent-red);
  border-radius: 50%;
  border: 2px solid var(--primary-bg);
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 36px;
  }
  
  .step-body {
    padding-left: 0;
  }
  
  .step-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 46, 28, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 2px solid var(--accent-gold);
  }
  
  .main-nav.active {
    max-height: 400px;
  }
  
  .main-nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }
  
  .hero-content h1 {
    font-size: 28px;
  }
  
  .hero-content p {
    font-size: 16px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .section-header h2 {
    font-size: 26px;
  }
  
  .step-card {
    padding: 24px;
  }
  
  .step-number {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
  
  .cta-section {
    padding: 32px 24px;
  }
  
  .cta-section h2 {
    font-size: 26px;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .btn-cta-primary, .btn-cta-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .fab {
    left: 16px;
    bottom: 80px;
    width: 56px;
    height: 56px;
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .logo {
    font-size: 15px;
  }
  
  .logo-chip {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  
  .nav-auth {
    gap: 8px;
  }
  
  .btn-login {
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .btn-signup {
    padding: 9px 16px;
    font-size: 13px;
  }
  
  .hero-banner {
    padding: 40px 0;
  }
  
  .hero-content h1 {
    font-size: 24px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .stat-number {
    font-size: 28px;
  }
  
  .troubleshooting {
    padding: 24px;
  }
  
  .tips-grid {
    grid-template-columns: 1fr;
  }
}