/* roulang page: index */
:root{
  --primary:#1F2A2E;
  --primary-soft:#2C3A3F;
  --secondary:#D64045;
  --secondary-dark:#B83439;
  --accent:#B08D57;
  --accent-soft:#E7DDCC;
  --bg:#F4F6F5;
  --bg-alt:#F7F5F0;
  --card:#FFFFFF;
  --text:#1A1D1F;
  --text-body:#3F494C;
  --text-muted:#6B7280;
  --border:#E5E7EB;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:0 6px 16px rgba(0,0,0,0.08);
  --shadow-lg:0 14px 32px rgba(0,0,0,0.12);
  --radius:6px;
  --radius-sm:4px;
  --max-width:1200px;
  --section-pad:72px;
  --mobile-pad:44px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg);
  min-height:100vh;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:none;background:none}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:var(--section-pad) 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--primary);color:#E6EAEB}
.section-header{max-width:720px;margin:0 0 40px}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#7A623B;
  font-size:13px;font-weight:600;
  padding:6px 12px;border-radius:100px;
  letter-spacing:.04em;
  margin-bottom:14px;
}
.section-title{
  font-size:28px;line-height:1.35;font-weight:700;color:var(--text);
  letter-spacing:.01em;
}
.section-subtitle{
  font-size:15px;line-height:1.8;color:var(--text-muted);
  margin-top:12px;
}
.section-dark .section-title{color:#FFFFFF}
.section-dark .section-subtitle{color:#BDC6C9}
.section-dark .section-tag{background:rgba(176,141,87,0.18);color:#D8BE8F}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-weight:600;font-size:15px;letter-spacing:.02em;
  transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
}
.btn:focus-visible{outline:3px solid rgba(176,141,87,0.45);outline-offset:2px}
.btn-primary{background:var(--secondary);color:#FFFFFF}
.btn-primary:hover{background:var(--secondary-dark);box-shadow:0 8px 18px rgba(214,64,69,0.18)}
.btn-secondary{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-secondary:hover{background:rgba(176,141,87,0.08)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,0.4);color:#FFFFFF}
.btn-outline:hover{background:rgba(255,255,255,0.08)}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.6;pointer-events:none}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--primary);color:#FFFFFF;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.nav-container{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--max-width);margin:0 auto;padding:0 24px;height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:.02em;
  color:#FFFFFF;flex-shrink:0;
}
.logo-icon{
  display:grid;place-items:center;width:38px;height:38px;
  border-radius:8px;background:var(--accent);
  color:#FFFFFF;font-size:20px;font-weight:700;
}
.nav-links{
  display:flex;align-items:center;gap:0;list-style:none;
  margin-left:auto;margin-right:24px;
}
.nav-links a{
  display:inline-block;padding:22px 16px;font-size:15px;font-weight:500;
  color:#DDE3E5;position:relative;transition:color .2s ease;
}
.nav-links a:hover{color:#FFFFFF}
.nav-links a.active{color:#FFFFFF}
.nav-links a.active::after,
.nav-links a:hover::after{
  content:"";position:absolute;left:16px;right:16px;bottom:12px;
  height:2px;background:var(--accent);border-radius:2px;
}
.nav-cta{flex-shrink:0}
.hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:8px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.06);
}
.hamburger span{display:block;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease}
.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)}

/* Hero */
.hero{
  position:relative;background:var(--primary);color:#FFFFFF;
  padding:80px 0 72px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/307d7c80725fda4a.webp');
  background-size:cover;background-position:center;
  opacity:0.22;z-index:1;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:rgba(31,42,46,0.82);
  z-index:2;
}
.hero .container{position:relative;z-index:3;display:grid;grid-template-columns:1.05fr .85fr;gap:56px;align-items:center}
.hero-content{max-width:640px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.14);
  color:#E7DDCC;font-size:13px;font-weight:600;padding:6px 14px;border-radius:100px;
  margin-bottom:18px;
}
.hero h1{
  font-size:36px;line-height:1.32;font-weight:700;letter-spacing:.01em;
  color:#FFFFFF;margin-bottom:18px;
}
.hero-subtitle{
  font-size:16px;line-height:1.9;color:#D5DCDF;
  margin-bottom:32px;max-width:560px;
}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-actions .btn{min-width:140px}
.hero-note{
  display:flex;align-items:center;gap:8px;margin-top:20px;
  font-size:13px;color:#AAB5B9;
}
.hero-note svg{width:16px;height:16px;flex-shrink:0}
.hero-phone-wrap{display:flex;justify-content:center;align-items:flex-start;position:relative}
.hero-phone{
  width:300px;height:600px;background:#0A0F10;border-radius:32px;
  border:1px solid rgba(255,255,255,0.16);
  box-shadow:0 24px 48px rgba(0,0,0,0.35);
  padding:20px 12px;position:relative;z-index:2;
}
.phone-screen{
  width:100%;height:100%;border-radius:22px;background:#FFFFFF;color:#1A1D1F;
  padding:16px;display:flex;flex-direction:column;gap:12px;
  background-image:url('/assets/images/76e783d203d7b857.webp');
  background-size:cover;background-position:center;
  position:relative;overflow:hidden;
}
.phone-screen::after{
  content:"";position:absolute;inset:0;background:rgba(20,30,32,0.08);
}
.phone-topbar{
  display:flex;align-items:center;justify-content:space-between;
  color:#FFFFFF;font-size:12px;position:relative;z-index:1;
  background:rgba(31,42,46,0.92);padding:8px 12px;border-radius:12px;
}
.phone-stock{
  background:#FFFFFF;border-radius:12px;padding:12px;
  box-shadow:0 4px 10px rgba(0,0,0,0.08);position:relative;z-index:1;
}
.phone-stock-name{font-size:14px;font-weight:600;color:#1A1D1F}
.phone-stock-price{font-size:24px;font-weight:700;color:#D64045;margin-top:2px}
.phone-stock-change{font-size:13px;color:#D64045;font-weight:600}
.float-card{
  position:absolute;bottom:28px;left:-52px;background:rgba(255,255,255,0.96);
  backdrop-filter:none;border-radius:12px;box-shadow:var(--shadow-lg);
  padding:12px 16px;font-size:13px;z-index:3;border:1px solid var(--border);
  display:flex;flex-direction:column;gap:4px;min-width:140px;
}
.float-card strong{font-size:18px;font-weight:700;color:var(--secondary)}
.float-card span{color:var(--text-muted)}

/* Ticker */
.ticker-section{padding:22px 0;border-bottom:1px solid var(--border);background:var(--card)}
.ticker-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;
}
.ticker-item{
  padding:8px 12px;border-radius:var(--radius-sm);
  background:#FFFFFF;border:1px solid var(--border);
}
.ticker-name{font-size:13px;color:var(--text-muted)}
.ticker-value{font-size:18px;font-weight:700;color:var(--text);margin-top:2px}
.ticker-change{font-size:13px;font-weight:600;margin-top:2px}
.ticker-change.up{color:var(--secondary)}
.ticker-change.down{color:#0A9B75}

/* Trust */
.trust-section{background:var(--bg);padding:40px 0}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.trust-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
}
.trust-item strong{display:block;font-size:32px;font-weight:700;color:var(--secondary);line-height:1.2}
.trust-item span{display:block;font-size:14px;color:var(--text-muted);margin-top:8px}

/* Scene */
.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);transition:all .25s ease;position:relative;
  display:flex;flex-direction:column;gap:10px;color:inherit;
}
.scene-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-md);
  border-color:var(--accent);background:#FFFFFF;
}
.scene-icon{
  display:grid;place-items:center;width:44px;height:44px;border-radius:10px;
  background:var(--accent-soft);color:#7A623B;font-size:22px;font-weight:700;
  margin-bottom:4px;
}
.scene-title{font-size:18px;font-weight:700;color:var(--text)}
.scene-desc{font-size:14px;color:var(--text-muted);line-height:1.7}
.scene-arrow{
  margin-top:auto;display:inline-flex;align-items:center;gap:4px;
  font-size:14px;font-weight:600;color:var(--secondary);transition:gap .2s ease;
}
.scene-card:hover .scene-arrow{gap:10px}

/* Advantage */
.advantage-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.advantage-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);transition:all .25s ease;
}
.advantage-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent)}
.advantage-tag{
  display:inline-block;background:rgba(214,64,69,0.08);color:var(--secondary);
  font-size:13px;font-weight:600;padding:4px 10px;border-radius:100px;margin-bottom:12px;
}
.advantage-card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:10px}
.advantage-card p{font-size:15px;color:var(--text-body);line-height:1.8}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.news-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:all .25s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#E5E7EB}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}
.news-category{
  background:var(--accent-soft);color:#7A623B;font-weight:600;
  padding:2px 10px;border-radius:100px;
}
.news-body h3{font-size:17px;font-weight:700;line-height:1.45}
.news-body h3 a{color:var(--text);transition:color .2s ease}
.news-body h3 a:hover{color:var(--secondary)}
.news-body p{font-size:14px;color:var(--text-muted);line-height:1.7}
.empty-state{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--radius);
  padding:32px;text-align:center;color:var(--text-muted);font-size:15px;
}

/* Fees */
.fees-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.fee-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);
}
.fee-card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.fee-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.fee-list li{
  display:flex;justify-content:space-between;gap:16px;
  font-size:15px;color:var(--text-body);padding:10px 0;border-bottom:1px solid #F0F1F1;
}
.fee-list li:last-child{border-bottom:none}
.fee-list span{color:var(--text-muted);min-width:96px}
.fee-list strong{color:var(--secondary);font-weight:700;text-align:right}
.calculator-card{
  background:var(--primary);border-radius:var(--radius);padding:28px;
  color:#E6EAEB;display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;
}
.calculator-card h3{font-size:20px;font-weight:700;color:#FFFFFF}
.calculator-card p{font-size:14px;color:#BDC6C9;margin-top:8px}
.calc-field{display:flex;align-items:center;gap:12px;justify-content:flex-end;flex-wrap:wrap}
.calc-field input{
  width:140px;height:44px;border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-sm);
  background:#223033;color:#FFFFFF;padding:0 14px;font-weight:600;
}
.calc-field input:focus{outline:3px solid rgba(176,141,87,0.4);border-color:var(--accent)}
.calc-result{
  font-size:24px;font-weight:700;color:var(--accent);
  background:rgba(176,141,87,0.14);padding:12px 16px;border-radius:var(--radius-sm);
}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);position:relative;
}
.step-num{
  display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  background:var(--secondary);color:#FFFFFF;font-size:20px;font-weight:700;
  margin-bottom:16px;
}
.step-item h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text-muted);line-height:1.7}
.steps-grid::before{
  content:"";position:absolute;left:24px;right:24px;top:50px;
  border-top:2px dashed #D1D5DB;z-index:0;
}
.step-item{position:relative;z-index:1}

/* Safety */
.safety-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.safety-image{
  border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,0.12);
  box-shadow:var(--shadow-lg);
}
.safety-image img{width:100%;height:100%;object-fit:cover;min-height:340px}
.safety-content h2{font-size:26px;font-weight:700;color:#FFFFFF;margin-bottom:16px}
.safety-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:18px}
.safety-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:#D5DCDF;line-height:1.7;
}
.safety-list li::before{
  content:"✓";flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--accent);color:#1F2A2E;display:grid;place-items:center;
  font-size:13px;font-weight:700;margin-top:2px;
}

/* Risk */
.risk-card{
  background:var(--bg-alt);border-left:4px solid var(--secondary);
  border-radius:var(--radius-sm);padding:28px;box-shadow:var(--shadow-sm);
}
.risk-card h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:8px}
.risk-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:16px}
.risk-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-body);line-height:1.7;
}
.risk-list li::before{
  content:"!";flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:rgba(214,64,69,0.12);color:var(--secondary);display:grid;place-items:center;
  font-weight:700;font-size:14px;margin-top:2px;
}
.risk-list a{color:var(--secondary);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease;
}
.faq-item.open{border-color:var(--accent)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
  text-align:left;background:transparent;transition:background .2s ease;
}
.faq-question:hover{background:var(--bg-alt)}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--text-muted);color:var(--text-muted);
  display:grid;place-items:center;font-size:18px;font-weight:600;transition:transform .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--secondary);border-color:var(--secondary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 22px 20px;font-size:15px;color:var(--text-body);line-height:1.8}

/* Ranking */
.ranking-list{display:flex;flex-direction:column;gap:16px;max-width:960px;margin:0 auto}
.platform-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:all .25s ease;
}
.platform-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent)}
.platform-header{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.platform-name{font-size:18px;font-weight:700;color:var(--text)}
.platform-tags{display:flex;gap:8px;flex-wrap:wrap}
.platform-tags span{
  font-size:12px;font-weight:600;background:var(--accent-soft);color:#7A623B;
  padding:4px 10px;border-radius:100px;
}
.rating-wrap{display:flex;align-items:center;gap:12px;margin-top:8px}
.rating-bar{
  flex:1;height:8px;border-radius:100px;background:#E5E7EB;overflow:hidden;
}
.rating-fill{height:100%;background:var(--accent);border-radius:100px}
.rating-score{font-size:14px;font-weight:700;color:var(--text)}

/* CTA */
.cta-section{
  background:var(--primary);color:#FFFFFF;position:relative;overflow:hidden;
  padding:64px 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/92190f54afb71e61.webp');
  background-size:cover;background-position:center;
  opacity:0.14;z-index:1;
}
.cta-section .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-section h2{font-size:30px;font-weight:700;color:#FFFFFF;line-height:1.4;margin-bottom:12px}
.cta-section p{font-size:15px;color:#D5DCDF;line-height:1.8}
.cta-form{
  background:#FFFFFF;border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;gap:14px;color:var(--text-body);
  box-shadow:var(--shadow-lg);
}
.cta-form label{font-size:14px;font-weight:600;color:var(--text)}
.cta-form input{
  height:44px;border:1px solid #D1D5DB;border-radius:var(--radius-sm);
  padding:0 14px;font-size:15px;transition:border-color .2s ease, box-shadow .2s ease;
}
.cta-form input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(176,141,87,0.18);
}
.cta-form .btn{width:100%}
.privacy-note{
  font-size:12px;color:var(--text-muted);text-align:center;
  padding-top:4px;
}

/* Footer */
.footer{
  background:#141A1C;color:#C6CED0;padding:56px 0 32px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand{max-width:280px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FAAAD}
.footer-col h4{font-size:16px;font-weight:700;color:#FFFFFF;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C6CED0;transition:color .2s ease}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;
  font-size:13px;color:#8F9A9D;line-height:1.8;
  display:flex;flex-direction:column;gap:8px;
}
.footer-bottom a{color:#C6CED0;text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:#FFFFFF}

/* Responsive */
@media (max-width: 1024px){
  .hero .container{grid-template-columns:1fr 1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero-phone{width:260px;height:520px}
  .steps-grid{grid-template-columns:1fr 1fr}
  .steps-grid::before{display:none}
  .safety-grid{grid-template-columns:1fr;gap:28px}
  .cta-section .container{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 768px){
  :root{--section-pad:var(--mobile-pad)}
  .section{padding:var(--mobile-pad) 0}
  .nav-container{height:64px}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--primary);flex-direction:column;align-items:flex-start;
    padding:20px 24px;margin:0;transform:translateX(-100%);
    transition:transform .25s ease;z-index:101;overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{display:block;padding:16px 0;width:100%;font-size:17px;border-bottom:1px solid rgba(255,255,255,0.08)}
  .nav-links a.active::after,.nav-links a:hover::after{display:none}
  .nav-cta{display:none}
  .hamburger{display:flex}
  .hero{padding:48px 0}
  .hero .container{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:28px}
  .hero-subtitle{font-size:15px}
  .hero-phone-wrap{justify-content:center}
  .hero-phone{width:240px;height:460px}
  .float-card{left:0;bottom:10px}
  .advantage-grid{grid-template-columns:1fr}
  .fees-grid{grid-template-columns:1fr}
  .calculator-card{grid-template-columns:1fr;gap:16px}
  .calc-field{justify-content:flex-start}
  .steps-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .ticker-grid{grid-template-columns:1fr 1fr}
  .trust-grid{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand{max-width:none}
}
@media (max-width: 480px){
  .container{padding:0 16px}
  .section-title{font-size:22px}
  .hero{padding:36px 0}
  .hero h1{font-size:24px}
  .hero-actions .btn{width:100%;min-width:0}
  .hero-phone{width:210px;height:400px}
  .ticker-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .faq-question{font-size:15px;padding:16px}
  .cta-form{padding:18px}
  .cta-section h2{font-size:24px}
  .platform-header{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
        --primary:#1F2A2E;
        --primary-soft:#2C3A3F;
        --secondary:#D64045;
        --secondary-dark:#B83439;
        --accent:#B08D57;
        --accent-soft:#E7DDCC;
        --bg:#F4F6F5;
        --bg-alt:#F7F5F0;
        --card:#FFFFFF;
        --text:#1A1D1F;
        --text-body:#3F494C;
        --text-muted:#6B7280;
        --border:#E5E7EB;
        --shadow-sm:0 1px 3px rgba(0,0,0,0.06);
        --shadow-md:0 6px 16px rgba(0,0,0,0.08);
        --shadow-lg:0 14px 32px rgba(0,0,0,0.12);
        --radius:6px;
        --radius-sm:4px;
        --max-width:1200px;
        --section-pad:72px;
        --mobile-pad:44px;
        --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    *{box-sizing:border-box;margin:0;padding:0}
    body{
        font-family:var(--font-sans);
        font-size:16px;
        line-height:1.8;
        color:var(--text-body);
        background:var(--bg);
        min-height:100vh;
        -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block;height:auto}
    a{text-decoration:none;color:inherit;transition:color .2s ease}
    button,input{font-family:inherit;font-size:inherit}
    button{cursor:pointer;border:none;background:none}
    ul,ol{list-style:none}
    .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
    .section{padding:var(--section-pad) 0}
    .section-alt{background:var(--bg-alt)}
    .section-dark{background:var(--primary);color:#E6EAEB}
    .section-header{max-width:720px;margin:0 0 40px}
    .section-header.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-tag{
        display:inline-flex;align-items:center;gap:8px;
        background:var(--accent-soft);color:#7A623B;
        font-size:13px;font-weight:600;
        padding:6px 12px;border-radius:100px;
        letter-spacing:.04em;
        margin-bottom:14px;
    }
    .section-title{
        font-size:28px;line-height:1.35;font-weight:700;color:var(--text);
        letter-spacing:.01em;
    }
    .section-subtitle{
        font-size:15px;line-height:1.8;color:var(--text-muted);
        margin-top:12px;
    }
    .section-dark .section-title{color:#FFFFFF}
    .section-dark .section-subtitle{color:#BDC6C9}
    .section-dark .section-tag{background:rgba(176,141,87,0.18);color:#D8BE8F}

    /* Buttons */
    .btn{
        display:inline-flex;align-items:center;justify-content:center;gap:8px;
        min-height:44px;padding:0 24px;border-radius:var(--radius-sm);
        font-weight:600;font-size:15px;letter-spacing:.02em;
        transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
    }
    .btn:focus-visible{outline:3px solid rgba(176,141,87,0.45);outline-offset:2px}
    .btn-primary{background:var(--secondary);color:#FFFFFF}
    .btn-primary:hover{background:var(--secondary-dark);box-shadow:0 8px 18px rgba(214,64,69,0.18)}
    .btn-secondary{background:transparent;border-color:var(--accent);color:var(--accent)}
    .btn-secondary:hover{background:rgba(176,141,87,0.08)}
    .btn-outline{background:transparent;border-color:rgba(255,255,255,0.4);color:#FFFFFF}
    .btn-outline:hover{background:rgba(255,255,255,0.08)}
    .btn-sm{min-height:36px;padding:0 16px;font-size:14px}
    .btn[disabled]{opacity:.6;pointer-events:none}

    /* Header */
    .site-header{
        position:sticky;top:0;z-index:100;
        background:var(--primary);color:#FFFFFF;
        border-bottom:1px solid rgba(255,255,255,0.08);
    }
    .nav-container{
        display:flex;align-items:center;justify-content:space-between;
        max-width:var(--max-width);margin:0 auto;padding:0 24px;height:72px;
    }
    .logo{
        display:flex;align-items:center;gap:10px;
        font-size:19px;font-weight:700;letter-spacing:.02em;
        color:#FFFFFF;flex-shrink:0;
    }
    .logo-icon{
        display:grid;place-items:center;width:38px;height:38px;
        border-radius:8px;background:var(--accent);
        color:#FFFFFF;font-size:20px;font-weight:700;
    }
    .nav-links{
        display:flex;align-items:center;gap:0;list-style:none;
        margin-left:auto;margin-right:24px;
    }
    .nav-links a{
        display:inline-block;padding:22px 16px;font-size:15px;font-weight:500;
        color:#DDE3E5;position:relative;transition:color .2s ease;
    }
    .nav-links a:hover{color:#FFFFFF}
    .nav-links a.active{color:#FFFFFF}
    .nav-links a.active::after,
    .nav-links a:hover::after{
        content:"";position:absolute;left:16px;right:16px;bottom:12px;
        height:2px;background:var(--accent);border-radius:2px;
    }
    .nav-cta{flex-shrink:0}
    .hamburger{
        display:none;flex-direction:column;justify-content:center;gap:5px;
        width:42px;height:42px;padding:8px;border-radius:var(--radius-sm);
        background:rgba(255,255,255,0.06);
    }
    .hamburger span{display:block;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease}
    .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)}

    /* Breadcrumb */
    .breadcrumb-bar{
        background:var(--bg-alt);border-bottom:1px solid var(--border);
        padding:16px 0;
    }
    .breadcrumb{
        display:flex;align-items:center;flex-wrap:wrap;gap:8px;
        font-size:13px;color:var(--text-muted);
    }
    .breadcrumb a{color:var(--text-muted);transition:color .2s ease}
    .breadcrumb a:hover{color:var(--accent)}
    .breadcrumb .sep{color:var(--border);font-style:normal}
    .breadcrumb .current{color:var(--text);font-weight:600;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

    /* Article Page */
    .article-main{padding:48px 0 72px}
    .article-header{
        max-width:860px;margin:0 auto 36px;
    }
    .article-category-label{
        display:inline-flex;align-items:center;gap:6px;
        background:var(--accent-soft);color:#7A623B;
        font-size:13px;font-weight:600;
        padding:5px 12px;border-radius:100px;
        margin-bottom:14px;
    }
    .article-title{
        font-size:32px;line-height:1.4;font-weight:700;color:var(--text);
        letter-spacing:.01em;margin-bottom:16px;
    }
    .article-meta{
        display:flex;align-items:center;flex-wrap:wrap;gap:14px;
        font-size:13px;color:var(--text-muted);
        padding-bottom:20px;border-bottom:1px solid var(--border);
    }
    .article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
    .article-meta .meta-icon{width:16px;height:16px;color:var(--accent)}
    .article-meta .meta-tag{
        display:inline-block;padding:3px 10px;border-radius:100px;
        background:var(--bg-alt);border:1px solid var(--border);
        font-size:12px;font-weight:500;color:var(--text-body);
    }

    /* Article Content */
    .article-content-wrap{max-width:860px;margin:0 auto}
    .article-content{
        font-size:16px;line-height:1.9;color:var(--text-body);
    }
    .article-content h2{
        font-size:24px;line-height:1.45;font-weight:700;color:var(--text);
        margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--accent);
    }
    .article-content h3{
        font-size:20px;line-height:1.5;font-weight:600;color:var(--text);
        margin:28px 0 14px;
    }
    .article-content p{margin-bottom:18px}
    .article-content ul,.article-content ol{margin:0 0 18px 24px}
    .article-content ul{list-style:disc}
    .article-content ol{list-style:decimal}
    .article-content li{margin-bottom:8px}
    .article-content blockquote{
        margin:24px 0;padding:20px 24px;
        background:var(--bg-alt);border-left:4px solid var(--accent);
        font-size:15px;line-height:1.8;color:var(--text-body);
        border-radius:0 var(--radius) var(--radius) 0;
    }
    .article-content table{
        width:100%;border-collapse:collapse;margin:24px 0;
        font-size:14px;line-height:1.6;
    }
    .article-content table th,
    .article-content table td{
        padding:12px 16px;border:1px solid var(--border);
        text-align:left;
    }
    .article-content table th{
        background:var(--bg-alt);font-weight:600;color:var(--text);
    }
    .article-content img{
        border-radius:var(--radius);margin:24px 0;
        box-shadow:var(--shadow-sm);
    }
    .article-content a{
        color:var(--secondary);font-weight:500;
        border-bottom:1px solid rgba(214,64,69,0.3);
        transition:all .2s ease;
    }
    .article-content a:hover{
        color:var(--secondary-dark);
        border-bottom-color:var(--secondary-dark);
    }

    /* Empty State */
    .empty-state{
        text-align:center;padding:60px 24px;
        background:var(--card);border:1px solid var(--border);
        border-radius:var(--radius);box-shadow:var(--shadow-sm);
    }
    .empty-state .empty-icon{
        width:64px;height:64px;margin:0 auto 20px;
        background:var(--bg-alt);border-radius:50%;
        display:grid;place-items:center;color:var(--text-muted);
    }
    .empty-state h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px}
    .empty-state p{font-size:14px;color:var(--text-muted);margin-bottom:24px}
    .empty-state .btn{display:inline-flex}

    /* Risk Alert */
    .risk-alert{
        max-width:860px;margin:32px auto 0;
        background:#FFF8F0;border:1px solid #F0D9BC;border-left:4px solid var(--secondary);
        border-radius:var(--radius);padding:20px 24px;
    }
    .risk-alert h4{
        font-size:15px;font-weight:700;color:var(--secondary);
        margin-bottom:10px;display:flex;align-items:center;gap:8px;
    }
    .risk-alert p{
        font-size:14px;line-height:1.8;color:var(--text-body);
    }

    /* Related Section */
    .related-section{max-width:860px;margin:48px auto 0}
    .related-header{
        display:flex;align-items:center;justify-content:space-between;
        margin-bottom:24px;
    }
    .related-header h2{
        font-size:22px;font-weight:700;color:var(--text);
        display:flex;align-items:center;gap:10px;
    }
    .related-header h2 .title-bar{
        display:inline-block;width:4px;height:24px;background:var(--accent);border-radius:2px;
    }
    .related-grid{
        display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
    }
    .related-card{
        background:var(--card);border:1px solid var(--border);
        border-radius:var(--radius);overflow:hidden;
        transition:all .25s ease;box-shadow:var(--shadow-sm);
    }
    .related-card:hover{
        box-shadow:var(--shadow-md);border-color:var(--accent);
        transform:translateY(-2px);
    }
    .related-card .card-thumb{
        height:140px;overflow:hidden;background:var(--bg-alt);
    }
    .related-card .card-thumb img{
        width:100%;height:100%;object-fit:cover;
        transition:transform .4s ease;
    }
    .related-card:hover .card-thumb img{transform:scale(1.05)}
    .related-card .card-body{padding:18px 20px}
    .related-card .card-tag{
        display:inline-block;font-size:12px;font-weight:600;
        background:var(--accent-soft);color:#7A623B;
        padding:3px 10px;border-radius:100px;margin-bottom:10px;
    }
    .related-card h3{
        font-size:16px;line-height:1.5;font-weight:600;color:var(--text);
        margin-bottom:8px;
    }
    .related-card p{
        font-size:13px;line-height:1.7;color:var(--text-muted);
        display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
        margin-bottom:12px;
    }
    .related-card .card-link{
        font-size:13px;font-weight:600;color:var(--accent);
        display:inline-flex;align-items:center;gap:4px;
        transition:color .2s ease;
    }
    .related-card .card-link:hover{color:var(--secondary)}

    /* CTA Section */
    .cta-section{
        background:var(--primary);color:#FFFFFF;
        padding:56px 0;margin-top:64px;
    }
    .cta-inner{
        max-width:700px;margin:0 auto;text-align:center;
    }
    .cta-title{
        font-size:28px;line-height:1.4;font-weight:700;color:#FFFFFF;
        margin-bottom:14px;
    }
    .cta-desc{
        font-size:15px;line-height:1.8;color:#BDC6C9;
        margin-bottom:28px;
    }
    .cta-form{
        display:flex;align-items:center;gap:12px;justify-content:center;
        flex-wrap:wrap;margin-bottom:14px;
    }
    .cta-form input{
        width:280px;height:44px;padding:0 16px;
        border:1px solid rgba(255,255,255,0.25);border-radius:var(--radius-sm);
        background:rgba(255,255,255,0.07);color:#FFFFFF;
        font-size:14px;transition:all .2s ease;
    }
    .cta-form input::placeholder{color:#8B969B}
    .cta-form input:focus{
        outline:none;border-color:var(--accent);
        background:rgba(255,255,255,0.1);
        box-shadow:0 0 0 3px rgba(176,141,87,0.25);
    }
    .cta-note{
        font-size:12px;color:#8B969B;
    }
    .cta-note a{color:var(--accent);text-decoration:underline}

    /* Footer */
    .footer{
        background:var(--primary);color:#DDE3E5;
        padding:56px 0 24px;
        border-top:1px solid rgba(255,255,255,0.06);
    }
    .footer-grid{
        display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
        margin-bottom:40px;
    }
    .footer-brand .logo{margin-bottom:14px}
    .footer-brand p{
        font-size:13px;line-height:1.8;color:#9AA5A9;
        max-width:320px;
    }
    .footer-col h4{
        font-size:15px;font-weight:700;color:#FFFFFF;
        margin-bottom:16px;
    }
    .footer-col ul li{margin-bottom:10px}
    .footer-col ul li a{
        font-size:13px;color:#9AA5A9;
        transition:color .2s ease;
    }
    .footer-col ul li a:hover{color:var(--accent)}
    .footer-bottom{
        padding-top:24px;border-top:1px solid rgba(255,255,255,0.08);
        font-size:12px;line-height:1.8;color:#8B969B;
    }
    .footer-bottom p{margin-bottom:8px}
    .footer-bottom a{color:var(--accent);text-decoration:underline}

    /* Responsive */
    @media (max-width: 992px){
        .related-grid{grid-template-columns:repeat(2,1fr)}
        .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media (max-width: 768px){
        :root{--section-pad:44px}
        .nav-container{height:60px;padding:0 16px}
        .nav-links{
            position:fixed;top:60px;left:0;right:0;
            background:var(--primary);flex-direction:column;gap:0;
            padding:16px 0;margin:0;
            transform:translateY(-120%);transition:transform .3s ease;
            border-bottom:1px solid rgba(255,255,255,0.08);
            z-index:99;
        }
        .nav-links.open{transform:translateY(0)}
        .nav-links a{
            display:block;padding:14px 24px;font-size:16px;
            border-bottom:1px solid rgba(255,255,255,0.05);
        }
        .nav-links a.active::after,
        .nav-links a:hover::after{display:none}
        .nav-links a.active{background:rgba(176,141,87,0.12)}
        .nav-cta{display:none}
        .hamburger{display:flex}
        .article-title{font-size:24px;line-height:1.45}
        .article-meta{gap:10px;flex-wrap:wrap}
        .related-grid{grid-template-columns:1fr}
        .cta-title{font-size:22px}
        .cta-form input{width:100%;max-width:300px}
        .footer-grid{grid-template-columns:1fr;gap:24px}
        .footer-brand p{max-width:100%}
        .container{padding:0 16px}
    }
    @media (max-width: 480px){
        :root{--section-pad:36px}
        .article-main{padding:32px 0 48px}
        .article-title{font-size:20px}
        .article-content{font-size:15px}
        .article-content h2{font-size:20px}
        .article-content h3{font-size:17px}
        .related-header h2{font-size:18px}
        .cta-section{padding:40px 16px}
        .cta-title{font-size:19px}
        .logo{font-size:16px}
        .logo-icon{width:32px;height:32px;font-size:17px}
        .breadcrumb .current{max-width:150px}
        .article-content table th,.article-content table td{padding:8px 10px;font-size:12px}
    }

/* roulang page: category1 */
:root{
      --primary:#1F2A2E;
      --primary-soft:#2C3A3F;
      --secondary:#D64045;
      --secondary-dark:#B83439;
      --accent:#B08D57;
      --accent-soft:#E7DDCC;
      --bg:#F4F6F5;
      --bg-alt:#F7F5F0;
      --card:#FFFFFF;
      --text:#1A1D1F;
      --text-body:#3F494C;
      --text-muted:#6B7280;
      --border:#E5E7EB;
      --shadow-sm:0 1px 3px rgba(0,0,0,0.06);
      --shadow-md:0 6px 16px rgba(0,0,0,0.08);
      --shadow-lg:0 14px 32px rgba(0,0,0,0.12);
      --radius:6px;
      --radius-sm:4px;
      --max-width:1200px;
      --section-pad:72px;
      --mobile-pad:44px;
      --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    body{
      font-family:var(--font-sans);
      font-size:16px;
      line-height:1.8;
      color:var(--text-body);
      background:var(--bg);
      min-height:100vh;
    }
    img{max-width:100%;display:block;height:auto}
    a{text-decoration:none;color:inherit;transition:color .2s ease}
    button,input{font-family:inherit;font-size:inherit}
    button{cursor:pointer;border:none;background:none}
    .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
    .section{padding:var(--section-pad) 0}
    .section-alt{background:var(--bg-alt)}
    .section-dark{background:var(--primary);color:#E6EAEB}
    .section-header{max-width:720px;margin:0 0 40px}
    .section-header.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-tag{
      display:inline-flex;align-items:center;gap:8px;
      background:var(--accent-soft);color:#7A623B;
      font-size:13px;font-weight:600;
      padding:6px 12px;border-radius:100px;
      letter-spacing:.04em;
      margin-bottom:14px;
    }
    .section-title{
      font-size:28px;line-height:1.35;font-weight:700;color:var(--text);
      letter-spacing:.01em;
    }
    .section-subtitle{
      font-size:15px;line-height:1.8;color:var(--text-muted);
      margin-top:12px;
    }
    .section-dark .section-title{color:#FFFFFF}
    .section-dark .section-subtitle{color:#BDC6C9}
    .section-dark .section-tag{background:rgba(176,141,87,0.18);color:#D8BE8F}
    /* Buttons */
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 24px;border-radius:var(--radius-sm);
      font-weight:600;font-size:15px;letter-spacing:.02em;
      transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
    }
    .btn:focus-visible{outline:3px solid rgba(176,141,87,0.45);outline-offset:2px}
    .btn-primary{background:var(--secondary);color:#FFFFFF}
    .btn-primary:hover{background:var(--secondary-dark);box-shadow:0 8px 18px rgba(214,64,69,0.18)}
    .btn-secondary{background:transparent;border-color:var(--accent);color:var(--accent)}
    .btn-secondary:hover{background:rgba(176,141,87,0.08)}
    .btn-outline{background:transparent;border-color:rgba(255,255,255,0.4);color:#FFFFFF}
    .btn-outline:hover{background:rgba(255,255,255,0.08)}
    .btn-sm{min-height:36px;padding:0 16px;font-size:14px}
    .btn[disabled]{opacity:.6;pointer-events:none}
    /* Header */
    .site-header{
      position:sticky;top:0;z-index:100;
      background:var(--primary);color:#FFFFFF;
      border-bottom:1px solid rgba(255,255,255,0.08);
    }
    .nav-container{
      display:flex;align-items:center;justify-content:space-between;
      max-width:var(--max-width);margin:0 auto;padding:0 24px;height:72px;
    }
    .logo{
      display:flex;align-items:center;gap:10px;
      font-size:19px;font-weight:700;letter-spacing:.02em;
      color:#FFFFFF;flex-shrink:0;
    }
    .logo-icon{
      display:grid;place-items:center;width:38px;height:38px;
      border-radius:8px;background:var(--accent);
      color:#FFFFFF;font-size:20px;font-weight:700;
    }
    .nav-links{
      display:flex;align-items:center;gap:0;list-style:none;
      margin-left:auto;margin-right:24px;
    }
    .nav-links a{
      display:inline-block;padding:22px 16px;font-size:15px;font-weight:500;
      color:#DDE3E5;position:relative;transition:color .2s ease;
    }
    .nav-links a:hover{color:#FFFFFF}
    .nav-links a.active{color:#FFFFFF}
    .nav-links a.active::after,
    .nav-links a:hover::after{
      content:"";position:absolute;left:16px;right:16px;bottom:12px;
      height:2px;background:var(--accent);border-radius:2px;
    }
    .nav-cta{flex-shrink:0}
    .hamburger{
      display:none;flex-direction:column;justify-content:center;gap:5px;
      width:42px;height:42px;padding:8px;border-radius:var(--radius-sm);
      background:rgba(255,255,255,0.06);
    }
    .hamburger span{display:block;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease}
    .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)}
    /* Category Header */
    .cat-header{
      background:var(--primary);
      color:#FFFFFF;
      padding:48px 0 44px;
    }
    .cat-header .breadcrumb-wrap{
      display:flex;align-items:center;gap:8px;
      font-size:13px;color:#9BA8AC;
      margin-bottom:16px;flex-wrap:wrap;
    }
    .cat-header .breadcrumb-wrap a{color:#C5CFD2;transition:color .2s}
    .cat-header .breadcrumb-wrap a:hover{color:#FFFFFF}
    .cat-header .breadcrumb-wrap .sep{color:#6B7280}
    .cat-header .breadcrumb-wrap .current{color:#D8BE8F}
    .cat-header h1{
      font-size:32px;line-height:1.35;font-weight:700;
      color:#FFFFFF;margin-bottom:12px;
    }
    .cat-header .cat-subtitle{
      font-size:15px;line-height:1.85;
      color:#D5DCDF;max-width:720px;
    }
    /* Tag Bar */
    .tag-bar{
      display:flex;align-items:center;flex-wrap:wrap;gap:10px;
      padding:18px 0;border-bottom:1px solid var(--border);
    }
    .tag-bar .tag-label{
      font-size:13px;font-weight:600;color:var(--text-muted);
      margin-right:6px;
    }
    .tag-bar .tag-chip{
      display:inline-flex;align-items:center;
      padding:6px 14px;border-radius:100px;
      background:var(--card);border:1px solid var(--border);
      font-size:13px;color:var(--text-body);
      transition:all .2s ease;
    }
    .tag-bar .tag-chip:hover{
      border-color:var(--accent);color:var(--accent);
      box-shadow:var(--shadow-sm);
    }
    /* Cards */
    .cat-card-grid{
      display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
    }
    .cat-card{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius);
      overflow:hidden;
      transition:all .25s ease;
      box-shadow:var(--shadow-sm);
    }
    .cat-card:hover{
      box-shadow:var(--shadow-md);
      border-color:var(--accent);
      transform:translateY(-2px);
    }
    .cat-card .card-img{
      width:100%;height:180px;object-fit:cover;
      background:var(--bg-alt);
    }
    .cat-card .card-body{
      padding:20px 20px 18px;
    }
    .cat-card .card-title{
      font-size:17px;font-weight:600;color:var(--text);
      margin-bottom:8px;line-height:1.45;
    }
    .cat-card .card-text{
      font-size:14px;color:var(--text-muted);
      line-height:1.7;margin-bottom:14px;
    }
    .cat-card .card-link{
      display:inline-flex;align-items:center;gap:6px;
      font-size:14px;font-weight:600;color:var(--accent);
      transition:color .2s;
    }
    .cat-card .card-link:hover{color:var(--secondary)}
    .cat-card .card-link svg{width:14px;height:14px}
    /* Feature Section */
    .feature-split{
      display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
    }
    .feature-split .feature-img{
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-md);
    }
    .feature-split .feature-img img{
      width:100%;height:380px;object-fit:cover;
    }
    .feature-split .feature-list{
      list-style:none;padding:0;margin:20px 0 0;
    }
    .feature-split .feature-list li{
      display:flex;align-items:flex-start;gap:12px;
      padding:12px 0;border-bottom:1px solid var(--border);
    }
    .feature-split .feature-list li:last-child{border-bottom:none}
    .feature-split .feature-list .fi-icon{
      display:grid;place-items:center;width:28px;height:28px;
      border-radius:50%;background:var(--accent-soft);
      color:#7A623B;font-size:14px;font-weight:700;
      flex-shrink:0;margin-top:2px;
    }
    .feature-split .feature-list .fi-text strong{
      display:block;font-size:15px;color:var(--text);
      margin-bottom:2px;
    }
    .feature-split .feature-list .fi-text span{
      font-size:14px;color:var(--text-muted);line-height:1.6;
    }
    /* Data Cards */
    .data-card-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
    }
    .data-card{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius);
      padding:24px 20px;
      text-align:center;
      transition:all .25s ease;
      box-shadow:var(--shadow-sm);
    }
    .data-card:hover{
      box-shadow:var(--shadow-md);
      border-color:var(--accent);
    }
    .data-card .data-value{
      font-size:26px;font-weight:700;color:var(--secondary);
      line-height:1.3;
    }
    .data-card .data-label{
      font-size:13px;color:var(--text-muted);
      margin-top:6px;
    }
    /* Steps */
    .steps-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
      position:relative;
    }
    .steps-grid::before{
      content:"";position:absolute;top:32px;left:12%;right:12%;
      border-top:2px dashed var(--border);z-index:0;
    }
    .step-item{
      position:relative;z-index:1;
      text-align:center;
    }
    .step-item .step-num{
      display:grid;place-items:center;width:64px;height:64px;
      border-radius:50%;background:var(--card);
      border:2px solid var(--accent);
      color:var(--accent);font-size:24px;font-weight:700;
      margin:0 auto 16px;
      box-shadow:var(--shadow-sm);
      transition:all .25s ease;
    }
    .step-item:hover .step-num{
      background:var(--accent);color:#FFFFFF;
      box-shadow:var(--shadow-md);
    }
    .step-item h4{
      font-size:16px;font-weight:600;color:var(--text);
      margin-bottom:6px;
    }
    .step-item p{
      font-size:13px;color:var(--text-muted);
      line-height:1.7;margin-bottom:0;
    }
    /* FAQ */
    .faq-list{
      max-width:800px;margin:0 auto;
    }
    .faq-item{
      background:var(--card);
      border:1px solid var(--border);
      border-radius:var(--radius);
      margin-bottom:12px;
      overflow:hidden;
      transition:all .2s ease;
    }
    .faq-item:hover{
      box-shadow:var(--shadow-sm);
    }
    .faq-item .faq-question{
      display:flex;align-items:center;justify-content:space-between;
      gap:16px;padding:18px 20px;
      font-size:15px;font-weight:600;color:var(--text);
      cursor:pointer;
      transition:color .2s;
      user-select:none;
    }
    .faq-item .faq-question:hover{color:var(--secondary)}
    .faq-item .faq-question .faq-icon{
      display:grid;place-items:center;width:24px;height:24px;
      border-radius:50%;background:var(--bg-alt);
      color:var(--text-muted);font-weight:700;
      transition:all .2s ease;flex-shrink:0;
    }
    .faq-item.open .faq-question .faq-icon{
      background:var(--accent);color:#FFFFFF;
      transform:rotate(45deg);
    }
    .faq-item .faq-answer{
      max-height:0;overflow:hidden;
      transition:max-height .3s ease, padding .3s ease;
      padding:0 20px;
      color:var(--text-muted);
      font-size:14px;line-height:1.75;
    }
    .faq-item.open .faq-answer{
      max-height:300px;
      padding:0 20px 18px;
    }
    /* CTA */
    .cta-section{
      background:var(--primary);
      color:#FFFFFF;
      padding:56px 0;
    }
    .cta-section .cta-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
    }
    .cta-section h2{
      font-size:28px;font-weight:700;color:#FFFFFF;
      line-height:1.4;margin-bottom:12px;
    }
    .cta-section p{
      font-size:15px;color:#C5CFD2;
      margin-bottom:0;line-height:1.8;
    }
    .cta-form{
      display:flex;gap:12px;flex-wrap:wrap;
      background:rgba(255,255,255,0.06);
      border:1px solid rgba(255,255,255,0.12);
      border-radius:var(--radius);
      padding:24px;
    }
    .cta-form input{
      flex:1;min-width:200px;
      height:44px;padding:0 16px;
      border-radius:var(--radius-sm);
      border:1px solid rgba(255,255,255,0.25);
      background:rgba(255,255,255,0.1);
      color:#FFFFFF;font-size:14px;
      outline:none;
      transition:border .2s, box-shadow .2s;
    }
    .cta-form input::placeholder{color:#9BA8AC}
    .cta-form input:focus{
      border-color:var(--accent);
      box-shadow:0 0 0 3px rgba(176,141,87,0.25);
    }
    .cta-form .privacy-note{
      flex-basis:100%;
      font-size:12px;color:#8A979B;
      margin-top:4px;
    }
    /* Footer */
    .footer{
      background:var(--primary);
      color:#C5CFD2;
      padding:56px 0 28px;
      border-top:1px solid rgba(255,255,255,0.06);
    }
    .footer-grid{
      display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
      margin-bottom:40px;
    }
    .footer-brand .logo{margin-bottom:14px;display:flex}
    .footer-brand p{
      font-size:13px;color:#8A979B;
      line-height:1.75;max-width:340px;
      margin-bottom:0;
    }
    .footer-col h4{
      font-size:15px;font-weight:600;color:#FFFFFF;
      margin-bottom:14px;
    }
    .footer-col ul{list-style:none;padding:0;margin:0}
    .footer-col ul li{margin-bottom:8px}
    .footer-col ul a{
      font-size:13px;color:#9BA8AC;
      transition:color .2s;
    }
    .footer-col ul a:hover{color:#D8BE8F}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,0.08);
      padding-top:24px;
      text-align:center;
    }
    .footer-bottom p{
      font-size:12px;color:#6E7B7F;
      line-height:1.7;
      margin-bottom:8px;
    }
    .footer-bottom a{color:#9BA8AC;transition:color .2s}
    .footer-bottom a:hover{color:#D8BE8F}
    /* Mobile Sidebar */
    .mobile-menu{
      display:none;position:fixed;top:0;right:0;bottom:0;width:280px;
      background:var(--primary);z-index:200;
      padding:20px 16px;
      transform:translateX(100%);
      transition:transform .3s ease;
      box-shadow:-8px 0 24px rgba(0,0,0,0.25);
      overflow-y:auto;
    }
    .mobile-menu.open{transform:translateX(0)}
    .mobile-menu .mm-close{
      display:flex;justify-content:flex-end;margin-bottom:16px;
    }
    .mobile-menu .mm-close button{
      color:#FFFFFF;font-size:24px;line-height:1;
      padding:4px 8px;border-radius:4px;
      transition:background .2s;
    }
    .mobile-menu .mm-close button:hover{background:rgba(255,255,255,0.1)}
    .mobile-menu .mm-links{list-style:none;padding:0;margin:0}
    .mobile-menu .mm-links li{border-bottom:1px solid rgba(255,255,255,0.08)}
    .mobile-menu .mm-links a{
      display:block;padding:14px 8px;
      font-size:15px;font-weight:500;color:#DDE3E5;
      transition:color .2s;
    }
    .mobile-menu .mm-links a:hover{color:#FFFFFF}
    .mobile-menu .mm-links a.active{color:#D8BE8F;font-weight:600}
    .mobile-menu .mm-cta{margin-top:20px}
    .mobile-menu .mm-cta .btn{width:100%}
    .overlay{
      display:none;position:fixed;inset:0;
      background:rgba(0,0,0,0.5);z-index:150;
    }
    .overlay.show{display:block}
    /* Responsive */
    @media (max-width: 1024px){
      .cat-card-grid{grid-template-columns:repeat(2,1fr)}
      .data-card-grid{grid-template-columns:repeat(2,1fr)}
      .steps-grid{grid-template-columns:repeat(2,1fr);gap:28px}
      .steps-grid::before{display:none}
      .feature-split{grid-template-columns:1fr;gap:32px}
      .feature-split .feature-img img{height:280px}
      .cta-section .cta-grid{grid-template-columns:1fr;gap:28px}
    }
    @media (max-width: 768px){
      :root{--section-pad:var(--mobile-pad)}
      .nav-links{display:none}
      .nav-cta{display:none}
      .hamburger{display:flex}
      .mobile-menu{display:block}
      .cat-header{padding:36px 0 32px}
      .cat-header h1{font-size:26px}
      .cat-card-grid{grid-template-columns:1fr}
      .data-card-grid{grid-template-columns:1fr 1fr}
      .steps-grid{grid-template-columns:1fr;gap:20px}
      .step-item{text-align:left;display:flex;align-items:flex-start;gap:16px}
      .step-item .step-num{width:48px;height:48px;font-size:20px;margin:0;flex-shrink:0}
      .step-item h4{margin-bottom:2px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
      .cta-form{flex-direction:column}
      .cta-form input{min-width:100%}
      .section-title{font-size:24px}
    }
    @media (max-width: 480px){
      body{font-size:15px}
      .container{padding:0 16px}
      .cat-header h1{font-size:22px}
      .cat-header .cat-subtitle{font-size:14px}
      .data-card-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:20px}
      .section-title{font-size:21px}
      .btn{padding:0 16px;font-size:14px;min-height:40px}
    }

/* roulang page: category3 */
:root{
    --primary:#1F2A2E;
    --primary-soft:#2C3A3F;
    --secondary:#D64045;
    --secondary-dark:#B83439;
    --accent:#B08D57;
    --accent-soft:#E7DDCC;
    --bg:#F4F6F5;
    --bg-alt:#F7F5F0;
    --card:#FFFFFF;
    --text:#1A1D1F;
    --text-body:#3F494C;
    --text-muted:#6B7280;
    --border:#E5E7EB;
    --shadow-sm:0 1px 3px rgba(0,0,0,0.06);
    --shadow-md:0 6px 16px rgba(0,0,0,0.08);
    --shadow-lg:0 14px 32px rgba(0,0,0,0.12);
    --radius:6px;
    --radius-sm:4px;
    --max-width:1200px;
    --section-pad:72px;
    --mobile-pad:44px;
    --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  }
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    color:var(--text-body);
    background:var(--bg);
    min-height:100vh;
  }
  img{max-width:100%;display:block;height:auto}
  a{text-decoration:none;color:inherit}
  button,input{font-family:inherit;font-size:inherit}
  button{cursor:pointer;border:none;background:none}
  .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
  .section{padding:var(--section-pad) 0}
  .section-alt{background:var(--bg-alt)}
  .section-dark{background:var(--primary);color:#E6EAEB}
  .section-header{max-width:720px;margin:0 0 40px}
  .section-header.center{margin-left:auto;margin-right:auto;text-align:center}
  .section-tag{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--accent-soft);color:#7A623B;
    font-size:13px;font-weight:600;
    padding:6px 12px;border-radius:100px;
    letter-spacing:.04em;
    margin-bottom:14px;
  }
  .section-title{
    font-size:28px;line-height:1.35;font-weight:700;color:var(--text);
    letter-spacing:.01em;
  }
  .section-subtitle{
    font-size:15px;line-height:1.8;color:var(--text-muted);
    margin-top:12px;
  }
  .section-dark .section-title{color:#FFFFFF}
  .section-dark .section-subtitle{color:#BDC6C9}
  .section-dark .section-tag{background:rgba(176,141,87,0.18);color:#D8BE8F}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 24px;border-radius:var(--radius-sm);
    font-weight:600;font-size:15px;letter-spacing:.02em;
    transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
  }
  .btn:focus-visible{outline:3px solid rgba(176,141,87,0.45);outline-offset:2px}
  .btn-primary{background:var(--secondary);color:#FFFFFF}
  .btn-primary:hover{background:var(--secondary-dark);box-shadow:0 8px 18px rgba(214,64,69,0.18)}
  .btn-secondary{background:transparent;border-color:var(--accent);color:var(--accent)}
  .btn-secondary:hover{background:rgba(176,141,87,0.08)}
  .btn-outline{background:transparent;border-color:rgba(255,255,255,0.4);color:#FFFFFF}
  .btn-outline:hover{background:rgba(255,255,255,0.08)}
  .btn-sm{min-height:36px;padding:0 16px;font-size:14px}
  .btn[disabled]{opacity:.6;pointer-events:none}

  /* Header */
  .site-header{
    position:sticky;top:0;z-index:100;
    background:var(--primary);color:#FFFFFF;
    border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .nav-container{
    display:flex;align-items:center;justify-content:space-between;
    max-width:var(--max-width);margin:0 auto;padding:0 24px;height:72px;
    gap:16px;
  }
  .logo{
    display:flex;align-items:center;gap:10px;
    font-size:19px;font-weight:700;letter-spacing:.02em;
    color:#FFFFFF;flex-shrink:0;
  }
  .logo-icon{
    display:grid;place-items:center;width:38px;height:38px;
    border-radius:8px;background:var(--accent);
    color:#FFFFFF;font-size:20px;font-weight:700;
  }
  .nav-links{
    display:flex;align-items:center;gap:0;list-style:none;
    margin-left:auto;margin-right:24px;
  }
  .nav-links a{
    display:inline-block;padding:22px 16px;font-size:15px;font-weight:500;
    color:#DDE3E5;position:relative;transition:color .2s ease;
    white-space:nowrap;
  }
  .nav-links a:hover{color:#FFFFFF}
  .nav-links a.active{color:#FFFFFF}
  .nav-links a.active::after,
  .nav-links a:hover::after{
    content:"";position:absolute;left:16px;right:16px;bottom:12px;
    height:2px;background:var(--accent);border-radius:2px;
  }
  .nav-cta{flex-shrink:0}
  .hamburger{
    display:none;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:42px;padding:8px;border-radius:var(--radius-sm);
    background:rgba(255,255,255,0.06);
  }
  .hamburger span{display:block;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease}
  .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)}

  /* Category H1 */
  .category-hero{
    background:var(--bg-alt);
    padding:56px 0 40px;
    border-bottom:1px solid var(--border);
  }
  .breadcrumb-custom{
    display:flex;align-items:center;gap:8px;
    font-size:13px;color:var(--text-muted);
    margin-bottom:14px;list-style:none;padding:0;
  }
  .breadcrumb-custom li{display:flex;align-items:center;gap:8px}
  .breadcrumb-custom li+li::before{
    content:"/";color:var(--text-muted);opacity:.7;
  }
  .breadcrumb-custom a{color:var(--text-muted);transition:color .2s}
  .breadcrumb-custom a:hover{color:var(--accent)}
  .category-hero h1{
    font-size:34px;line-height:1.32;font-weight:700;
    color:var(--text);margin-bottom:12px;
  }
  .category-hero .subtitle{
    font-size:16px;line-height:1.8;color:var(--text-body);
    max-width:760px;
  }

  /* Sub tags */
  .subtopic-bar{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:18px 20px;
    display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  }
  .subtopic-label{font-weight:600;color:var(--text);font-size:14px}
  .subtopic-tags{display:flex;flex-wrap:wrap;gap:8px}
  .subtopic-tags span{
    background:var(--bg-alt);
    border:1px solid var(--border);
    color:var(--text-body);
    font-size:13px;padding:4px 12px;border-radius:100px;
    transition:all .2s;
  }
  .subtopic-tags span:hover{
    border-color:var(--accent);
    color:var(--accent);
    background:var(--accent-soft);
  }

  /* Cards */
  .card-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  }
  .safety-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius);
    overflow:hidden;
    transition:all .25s ease;
    box-shadow:var(--shadow-sm);
    display:flex;flex-direction:column;
  }
  .safety-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
    border-color:var(--accent);
  }
  .safety-card-img{
    aspect-ratio:16/9;
    overflow:hidden;
    background:#E7DDCC;
  }
  .safety-card-img img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .5s ease;
  }
  .safety-card:hover .safety-card-img img{transform:scale(1.05)}
  .safety-card-body{
    padding:20px 20px 18px;
    display:flex;flex-direction:column;
    flex:1;
  }
  .safety-card-body h3{
    font-size:18px;font-weight:600;color:var(--text);
    margin-bottom:10px;line-height:1.4;
  }
  .safety-card-body p{
    font-size:14px;color:var(--text-muted);
    line-height:1.7;margin-bottom:18px;
    flex:1;
  }
  .card-link{
    display:inline-flex;align-items:center;gap:6px;
    font-weight:600;font-size:14px;color:var(--accent);
    transition:gap .2s;
  }
  .card-link:hover{gap:10px;color:var(--accent)}
  .card-link svg{width:16px;height:16px}

  /* Featured section */
  .featured-wrap{
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  }
  .featured-img{
    border-radius:var(--radius);
    overflow:hidden;
    box-shadow:var(--shadow-md);
    background:var(--bg-alt);
  }
  .featured-img img{width:100%;height:340px;object-fit:cover}
  .featured-list{
    list-style:none;padding:0;margin:24px 0 0;
  }
  .featured-list li{
    display:flex;align-items:flex-start;gap:12px;
    padding:12px 0;border-bottom:1px solid var(--border);
    font-size:15px;color:var(--text-body);
  }
  .featured-list li:last-child{border-bottom:none}
  .featured-list .icon{
    width:22px;height:22px;flex-shrink:0;
    background:var(--accent-soft);color:#7A623B;
    border-radius:50%;display:grid;place-items:center;
    font-weight:700;font-size:13px;margin-top:2px;
  }

  /* Data cards */
  .data-cards{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  }
  .data-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:22px 18px;
    text-align:center;
    box-shadow:var(--shadow-sm);
    transition:all .25s;
  }
  .data-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
    border-color:var(--accent);
  }
  .data-value{
    font-size:28px;font-weight:700;color:var(--secondary);
    margin-bottom:8px;line-height:1.2;
  }
  .data-label{
    font-size:13px;color:var(--text-muted);
  }

  /* Risk points */
  .risk-points{
    display:flex;flex-direction:column;gap:16px;
  }
  .risk-item{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:18px 20px;
    transition:all .25s;
  }
  .risk-item:hover{
    border-color:var(--accent);
    box-shadow:var(--shadow-sm);
  }
  .risk-icon{
    width:36px;height:36px;flex-shrink:0;
    background:var(--accent-soft);color:#7A623B;
    border-radius:8px;display:grid;place-items:center;
    font-weight:700;font-size:16px;
  }
  .risk-content h4{
    font-size:16px;font-weight:600;color:var(--text);
    margin:0 0 6px;
  }
  .risk-content p{
    font-size:14px;color:var(--text-muted);
    line-height:1.7;margin:0;
  }

  /* FAQ */
  .faq-accordion{max-width:800px;margin:0 auto}
  .faq-item{
    border:1px solid var(--border);
    border-radius:var(--radius);
    margin-bottom:12px;
    background:var(--card);
    overflow:hidden;
    transition:box-shadow .2s;
  }
  .faq-item.open{box-shadow:var(--shadow-sm)}
  .faq-question{
    display:flex;justify-content:space-between;align-items:center;
    width:100%;padding:18px 20px;
    font-weight:600;font-size:16px;color:var(--text);
    text-align:left;transition:all .2s;
  }
  .faq-question:hover{background:var(--bg-alt)}
  .faq-question .arrow{
    flex-shrink:0;margin-left:16px;
    transition:transform .25s;
    font-size:18px;color:var(--accent);
  }
  .faq-item.open .faq-question .arrow{transform:rotate(180deg)}
  .faq-answer{
    max-height:0;overflow:hidden;
    transition:max-height .3s ease;
    background:var(--bg-alt);
  }
  .faq-answer-inner{
    padding:0 20px 18px;
    font-size:14px;color:var(--text-body);
    line-height:1.8;
  }

  /* CTA */
  .cta-dark{
    background:var(--primary);
    color:#FFFFFF;
    padding:64px 0;
  }
  .cta-content{
    max-width:600px;margin:0 auto;text-align:center;
  }
  .cta-content h2{
    font-size:28px;font-weight:700;margin-bottom:14px;
  }
  .cta-content p{
    color:#D5DCDF;font-size:15px;margin-bottom:28px;
  }
  .cta-form{
    display:flex;gap:12px;flex-wrap:wrap;
    justify-content:center;
  }
  .cta-form input{
    flex:1;min-width:220px;
    height:44px;padding:0 16px;
    border:1px solid rgba(255,255,255,0.3);
    border-radius:var(--radius-sm);
    background:rgba(255,255,255,0.08);
    color:#FFFFFF;
    outline:none;transition:all .2s;
  }
  .cta-form input::placeholder{color:#AAB5B9}
  .cta-form input:focus{
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(176,141,87,0.3);
  }
  .cta-note{
    margin-top:16px;font-size:12px;color:#AAB5B9;
  }

  /* Footer */
  .footer{
    background:#151C1F;
    color:#D5DCDF;
    padding:56px 0 24px;
  }
  .footer-grid{
    display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
    gap:40px;margin-bottom:40px;
  }
  .footer-brand .logo{color:#FFFFFF;margin-bottom:16px}
  .footer-brand p{
    font-size:13px;line-height:1.8;color:#AAB5B9;
    max-width:380px;
  }
  .footer-col h4{
    font-size:15px;font-weight:600;color:#FFFFFF;
    margin-bottom:16px;
  }
  .footer-col ul{list-style:none;padding:0;margin:0}
  .footer-col ul li{margin-bottom:10px}
  .footer-col ul a{
    font-size:13px;color:#AAB5B9;
    transition:color .2s;
  }
  .footer-col ul a:hover{color:var(--accent)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,0.08);
    padding-top:20px;
  }
  .footer-bottom p{
    font-size:12px;color:#7A8589;
    line-height:1.8;margin-bottom:10px;
  }
  .footer-bottom a{
    color:#AAB5B9;
    text-decoration:underline;
  }
  .footer-bottom a:hover{color:var(--accent)}

  /* Responsive */
  @media (max-width: 1024px){
    .card-grid{grid-template-columns:repeat(2,1fr)}
    .data-cards{grid-template-columns:repeat(2,1fr)}
    .featured-wrap{gap:32px}
  }
  @media (max-width: 768px){
    .section{padding:var(--mobile-pad) 0}
    .nav-links{
      position:fixed;top:72px;left:0;right:0;
      background:var(--primary);
      flex-direction:column;align-items:flex-start;
      padding:16px 24px;
      margin:0;
      display:none;
      box-shadow:0 20px 30px rgba(0,0,0,0.3);
    }
    .nav-links.open{display:flex}
    .nav-links a{
      padding:14px 0;width:100%;
      border-bottom:1px solid rgba(255,255,255,0.06);
    }
    .nav-links a::after{display:none}
    .nav-cta{display:none}
    .hamburger{display:flex}
    .card-grid{grid-template-columns:1fr}
    .featured-wrap{grid-template-columns:1fr;gap:24px}
    .featured-img img{height:240px}
    .data-cards{grid-template-columns:repeat(2,1fr)}
    .cta-form{flex-direction:column}
  }
  @media (max-width: 480px){
    .category-hero h1{font-size:28px}
    .section-title{font-size:24px}
    .data-cards{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:24px}
  }

/* roulang page: category2 */
:root{
      --primary:#1F2A2E;
      --primary-soft:#2C3A3F;
      --secondary:#D64045;
      --secondary-dark:#B83439;
      --accent:#B08D57;
      --accent-soft:#E7DDCC;
      --bg:#F4F6F5;
      --bg-alt:#F7F5F0;
      --card:#FFFFFF;
      --text:#1A1D1F;
      --text-body:#3F494C;
      --text-muted:#6B7280;
      --border:#E5E7EB;
      --shadow-sm:0 1px 3px rgba(0,0,0,0.06);
      --shadow-md:0 6px 16px rgba(0,0,0,0.08);
      --shadow-lg:0 14px 32px rgba(0,0,0,0.12);
      --radius:6px;
      --radius-sm:4px;
      --max-width:1200px;
      --section-pad:72px;
      --mobile-pad:44px;
      --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    body{
      font-family:var(--font-sans);
      font-size:16px;
      line-height:1.8;
      color:var(--text-body);
      background:var(--bg);
      min-height:100vh;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block;height:auto}
    a{text-decoration:none;color:inherit}
    button,input{font-family:inherit;font-size:inherit}
    button{cursor:pointer;border:none;background:none}
    .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
    .section{padding:var(--section-pad) 0}
    .section-alt{background:var(--bg-alt)}
    .section-dark{background:var(--primary);color:#E6EAEB}
    .section-header{max-width:720px;margin:0 0 40px}
    .section-header.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-tag{
      display:inline-flex;align-items:center;gap:8px;
      background:var(--accent-soft);color:#7A623B;
      font-size:13px;font-weight:600;
      padding:6px 12px;border-radius:100px;
      letter-spacing:.04em;margin-bottom:14px;
    }
    .section-title{
      font-size:28px;line-height:1.35;font-weight:700;color:var(--text);
      letter-spacing:.01em;
    }
    .section-subtitle{
      font-size:15px;line-height:1.8;color:var(--text-muted);margin-top:12px;
    }
    .section-dark .section-title{color:#FFFFFF}
    .section-dark .section-subtitle{color:#BDC6C9}
    .section-dark .section-tag{background:rgba(176,141,87,0.18);color:#D8BE8F}
    /* Buttons */
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 24px;border-radius:var(--radius-sm);
      font-weight:600;font-size:15px;letter-spacing:.02em;
      transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
    }
    .btn:focus-visible{outline:3px solid rgba(176,141,87,0.45);outline-offset:2px}
    .btn-primary{background:var(--secondary);color:#FFFFFF}
    .btn-primary:hover{background:var(--secondary-dark);box-shadow:0 8px 18px rgba(214,64,69,0.18);color:#FFFFFF}
    .btn-secondary{background:transparent;border-color:var(--accent);color:var(--accent)}
    .btn-secondary:hover{background:rgba(176,141,87,0.08)}
    .btn-outline{background:transparent;border-color:rgba(255,255,255,0.4);color:#FFFFFF}
    .btn-outline:hover{background:rgba(255,255,255,0.08)}
    .btn-sm{min-height:36px;padding:0 16px;font-size:14px}
    .btn[disabled]{opacity:.6;pointer-events:none}
    /* Header */
    .site-header{
      position:sticky;top:0;z-index:100;
      background:var(--primary);color:#FFFFFF;
      border-bottom:1px solid rgba(255,255,255,0.08);
    }
    .nav-container{
      display:flex;align-items:center;justify-content:space-between;
      max-width:var(--max-width);margin:0 auto;padding:0 24px;height:72px;
    }
    .logo{
      display:flex;align-items:center;gap:10px;
      font-size:19px;font-weight:700;letter-spacing:.02em;
      color:#FFFFFF;flex-shrink:0;
    }
    .logo-icon{
      display:grid;place-items:center;width:38px;height:38px;
      border-radius:8px;background:var(--accent);
      color:#FFFFFF;font-size:20px;font-weight:700;
    }
    .nav-links{
      display:flex;align-items:center;gap:0;list-style:none;
      margin-left:auto;margin-right:24px;
    }
    .nav-links a{
      display:inline-block;padding:22px 16px;font-size:15px;font-weight:500;
      color:#DDE3E5;position:relative;transition:color .2s ease;
    }
    .nav-links a:hover{color:#FFFFFF}
    .nav-links a.active{color:#FFFFFF}
    .nav-links a.active::after,
    .nav-links a:hover::after{
      content:"";position:absolute;left:16px;right:16px;bottom:12px;
      height:2px;background:var(--accent);border-radius:2px;
    }
    .nav-cta{flex-shrink:0}
    .hamburger{
      display:none;flex-direction:column;justify-content:center;gap:5px;
      width:42px;height:42px;padding:8px;border-radius:var(--radius-sm);
      background:rgba(255,255,255,0.06);
    }
    .hamburger span{display:block;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease}
    .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)}
    /* Category Hero / H1 */
    .cat-hero{
      background:var(--bg-alt);border-bottom:1px solid var(--border);
      padding:56px 0 44px;
    }
    .breadcrumb-line{
      font-size:14px;color:var(--text-muted);margin-bottom:14px;
      display:flex;align-items:center;gap:6px;flex-wrap:wrap;
    }
    .breadcrumb-line a{color:var(--text-muted);transition:color .2s}
    .breadcrumb-line a:hover{color:var(--accent)}
    .breadcrumb-line .sep{color:#B0B8BC}
    .breadcrumb-line .current{color:var(--text);font-weight:600}
    .cat-title{
      font-size:32px;font-weight:700;color:var(--text);
      line-height:1.35;letter-spacing:.01em;
    }
    .cat-subtitle{
      font-size:16px;line-height:1.8;color:var(--text-body);
      margin-top:12px;max-width:760px;
    }
    /* Tag Bar */
    .tag-bar{
      background:var(--card);border-bottom:1px solid var(--border);
      padding:16px 0;
    }
    .tag-bar-grid{
      display:flex;flex-wrap:wrap;gap:10px;
    }
    .tag-chip{
      display:inline-flex;align-items:center;gap:6px;
      background:var(--bg);border:1px solid var(--border);
      color:var(--text-body);font-size:14px;font-weight:500;
      padding:6px 14px;border-radius:100px;transition:all .2s;
    }
    .tag-chip:hover{
      border-color:var(--accent);color:var(--accent);
      background:var(--accent-soft);
    }
    .tag-chip .dot{
      width:6px;height:6px;border-radius:50%;background:var(--secondary);
    }
    /* Card Grid */
    .card-grid{
      display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
    }
    .cat-card{
      background:var(--card);border:1px solid var(--border);
      border-radius:var(--radius);overflow:hidden;
      box-shadow:var(--shadow-sm);transition:all .25s ease;
      display:flex;flex-direction:column;
    }
    .cat-card:hover{
      box-shadow:var(--shadow-md);border-color:var(--accent);
      transform:translateY(-2px);
    }
    .cat-card-img{
      width:100%;height:160px;overflow:hidden;position:relative;
      background:var(--bg-alt);
    }
    .cat-card-img img{width:100%;height:100%;object-fit:cover}
    .cat-card-body{
      padding:18px 18px 20px;flex:1;display:flex;flex-direction:column;
    }
    .cat-card-title{
      font-size:17px;font-weight:700;color:var(--text);
      line-height:1.45;margin-bottom:8px;
    }
    .cat-card-text{
      font-size:14px;line-height:1.7;color:var(--text-muted);
      flex:1;
    }
    .cat-card-link{
      margin-top:14px;font-size:14px;font-weight:600;color:var(--accent);
      display:inline-flex;align-items:center;gap:6px;transition:gap .2s;
    }
    .cat-card-link:hover{gap:10px;color:var(--secondary)}
    .cat-card-link svg{width:16px;height:16px}
    /* Feature Compare */
    .feature-compare{
      display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
    }
    .feature-compare-img{
      border-radius:var(--radius);overflow:hidden;
      box-shadow:var(--shadow-md);border:1px solid var(--border);
    }
    .feature-compare-img img{width:100%;height:100%;object-fit:cover}
    .feature-list{
      list-style:none;margin:20px 0 0;padding:0;
      display:flex;flex-direction:column;gap:14px;
    }
    .feature-item{
      display:flex;align-items:flex-start;gap:12px;
      font-size:15px;line-height:1.7;color:var(--text-body);
    }
    .feature-item .check{
      display:grid;place-items:center;width:22px;height:22px;
      border-radius:50%;background:var(--accent-soft);color:#7A623B;
      flex-shrink:0;margin-top:2px;
    }
    .feature-item .check svg{width:12px;height:12px}
    /* Data Strip */
    .data-strip{
      display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
    }
    .data-card{
      background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.14);
      border-radius:var(--radius);padding:22px 18px;
    }
    .data-num{
      font-size:28px;font-weight:700;color:var(--accent);
      line-height:1.2;letter-spacing:.02em;
    }
    .data-label{
      font-size:14px;color:#BDC6C9;margin-top:8px;
    }
    /* Steps */
    .steps-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
      position:relative;
    }
    .step-card{
      background:var(--card);border:1px solid var(--border);
      border-radius:var(--radius);padding:20px 18px;
      box-shadow:var(--shadow-sm);transition:all .25s;
      position:relative;
    }
    .step-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md)}
    .step-num{
      display:inline-flex;align-items:center;justify-content:center;
      width:40px;height:40px;border-radius:50%;
      background:var(--primary);color:var(--accent);
      font-size:20px;font-weight:700;margin-bottom:12px;
    }
    .step-title{
      font-size:16px;font-weight:700;color:var(--text);
      margin-bottom:6px;
    }
    .step-text{
      font-size:14px;line-height:1.7;color:var(--text-muted);
    }
    /* Compare Table */
    .compare-table-wrap{
      background:var(--card);border:1px solid var(--border);
      border-radius:var(--radius);overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .compare-table{
      width:100%;border-collapse:collapse;font-size:14px;
    }
    .compare-table th{
      background:var(--primary);color:#FFFFFF;font-weight:600;
      padding:14px 16px;text-align:left;
    }
    .compare-table td{
      padding:14px 16px;border-top:1px solid var(--border);
      color:var(--text-body);background:var(--card);
    }
    .compare-table tr:nth-child(even) td{background:var(--bg-alt)}
    .compare-table .highlight-row td{background:var(--accent-soft);color:var(--text)}
    /* FAQ */
    .faq-list{
      display:flex;flex-direction:column;gap:12px;
    }
    .faq-item{
      background:var(--card);border:1px solid var(--border);
      border-radius:var(--radius);overflow:hidden;
      box-shadow:var(--shadow-sm);transition:all .2s;
    }
    .faq-item:hover{border-color:var(--accent)}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;
      padding:16px 18px;font-size:15px;font-weight:600;color:var(--text);
      text-align:left;gap:12px;
    }
    .faq-question .arrow{
      display:grid;place-items:center;width:24px;height:24px;
      border-radius:4px;background:var(--bg);flex-shrink:0;
      transition:transform .2s;color:var(--text-muted);
    }
    .faq-question .arrow svg{width:14px;height:14px}
    .faq-item.open .faq-question .arrow{transform:rotate(180deg)}
    .faq-answer{
      padding:0 18px 18px;font-size:14px;line-height:1.8;
      color:var(--text-muted);display:none;
    }
    .faq-item.open .faq-answer{display:block}
    /* CTA */
    .cta-section{
      background:var(--primary);color:#FFFFFF;
      padding:60px 0;
    }
    .cta-grid{
      display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
    }
    .cta-title{
      font-size:26px;font-weight:700;color:#FFFFFF;line-height:1.4;
    }
    .cta-sub{
      font-size:15px;line-height:1.8;color:#BDC6C9;margin-top:10px;
    }
    .cta-form{
      display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;
    }
    .cta-form input{
      flex:1;min-width:220px;height:44px;
      background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.24);
      border-radius:var(--radius-sm);padding:0 16px;color:#FFFFFF;
      outline:none;transition:border .2s;
    }
    .cta-form input::placeholder{color:#AAB5B9}
    .cta-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(176,141,87,0.3)}
    .privacy-note{
      font-size:12px;color:#AAB5B9;margin-top:10px;
    }
    .cta-right{
      background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.14);
      border-radius:var(--radius);padding:26px 24px;
    }
    .cta-right h3{
      font-size:18px;font-weight:700;color:#FFFFFF;margin-bottom:10px;
    }
    .cta-right ul{
      list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;
    }
    .cta-right li{
      display:flex;align-items:flex-start;gap:8px;font-size:14px;color:#D5DCDF;
    }
    .cta-right li .dot{
      width:6px;height:6px;border-radius:50%;background:var(--accent);
      flex-shrink:0;margin-top:8px;
    }
    /* Risk Notice */
    .risk-notice{
      background:#FFF7F0;border-left:4px solid var(--secondary);
      border-radius:var(--radius);padding:20px 22px;
      margin-top:24px;
    }
    .risk-notice h4{
      font-size:16px;font-weight:700;color:var(--secondary);
      margin-bottom:10px;
    }
    .risk-notice p{
      font-size:14px;line-height:1.8;color:var(--text-body);margin:0;
    }
    /* Footer */
    .footer{
      background:var(--primary);color:#BDC6C9;
      padding:56px 0 32px;border-top:1px solid rgba(255,255,255,0.08);
    }
    .footer-grid{
      display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
      margin-bottom:36px;
    }
    .footer-brand p{
      font-size:14px;line-height:1.7;color:#BDC6C9;margin-top:12px;
    }
    .footer-col h4{
      font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:14px;
    }
    .footer-col ul{
      list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;
    }
    .footer-col ul a{
      font-size:14px;color:#BDC6C9;transition:color .2s;
    }
    .footer-col ul a:hover{color:var(--accent)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,0.1);
      padding-top:20px;display:flex;flex-direction:column;gap:10px;
    }
    .footer-bottom p{
      font-size:13px;color:#AAB5B9;margin:0;line-height:1.7;
    }
    .footer-bottom a{
      color:var(--accent);text-decoration:underline;transition:color .2s;
    }
    .footer-bottom a:hover{color:#D8BE8F}
    /* Responsive */
    @media (max-width: 1024px){
      .card-grid{grid-template-columns:repeat(2,1fr)}
      .steps-grid{grid-template-columns:repeat(2,1fr)}
      .data-strip{grid-template-columns:repeat(2,1fr)}
      .cta-grid{grid-template-columns:1fr;gap:32px}
      .feature-compare{grid-template-columns:1fr;gap:32px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media (max-width: 768px){
      .nav-links{
        position:fixed;top:72px;left:0;right:0;
        background:var(--primary);flex-direction:column;
        align-items:flex-start;padding:16px 24px;gap:0;
        display:none;border-bottom:1px solid rgba(255,255,255,0.1);
        max-height:calc(100vh - 72px);overflow-y:auto;
      }
      .nav-links.open{display:flex}
      .nav-links a{
        padding:14px 8px;width:100%;font-size:16px;
        border-bottom:1px solid rgba(255,255,255,0.06);
      }
      .nav-links a.active::after,
      .nav-links a:hover::after{display:none}
      .nav-links a.active{color:var(--accent)}
      .hamburger{display:flex}
      .nav-cta{display:none}
      .cat-title{font-size:26px}
      .section-title{font-size:24px}
      .card-grid{grid-template-columns:1fr}
      .steps-grid{grid-template-columns:1fr}
      .data-strip{grid-template-columns:1fr 1fr}
      .cta-form{flex-direction:column}
      .cta-form input{width:100%;min-width:0}
    }
    @media (max-width: 480px){
      .container{padding:0 16px}
      .section{padding:40px 0}
      .cat-hero{padding:40px 0 32px}
      .cat-title{font-size:22px}
      .cat-subtitle{font-size:14px}
      .data-strip{grid-template-columns:1fr}
      .tag-bar-grid{gap:8px}
      .tag-chip{font-size:12px;padding:5px 10px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .compare-table th,.compare-table td{padding:10px 12px;font-size:12px}
      .cta-title{font-size:22px}
    }