/* roulang page: index */
:root{
  --bg-primary:#0B0E14;
  --bg-card:#12161D;
  --bg-panel:#1A202A;
  --border-base:#262D38;
  --border-strong:#3A4350;
  --gold:#C6A15B;
  --gold-hover:#D9B87C;
  --gold-border:rgba(198,161,91,0.55);
  --text-primary:#ECE8E0;
  --text-secondary:#8E99A7;
  --text-disabled:#4E5660;
  --danger:#E2614C;
  --success:#3DA97B;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-nav:18px;
  --shadow-card:0 4px 20px rgba(0,0,0,0.25);
  --shadow-hover:0 12px 32px rgba(0,0,0,0.4);
  --container:1280px;
  --gap:24px;
  --font-primary:'Noto Sans SC','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-display:'Inter','Noto Sans SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-primary);font-size:16px;line-height:1.75;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:520px){.container{padding:0 16px}}
.sec{padding:96px 0}
@media(max-width:768px){.sec{padding:64px 0}}
.sec-head{margin-bottom:48px}
.sec-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.sec-title{font-size:clamp(1.5rem,2.5vw,2.25rem);font-weight:800;line-height:1.2;letter-spacing:.01em;color:var(--text-primary)}
.sec-sub{color:var(--text-secondary);max-width:640px;margin-top:12px;font-size:15px;line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);font-weight:700;font-size:16px;padding:14px 32px;transition:all .3s cubic-bezier(.16,1,.3,1);border:1px solid transparent;min-height:44px;letter-spacing:.02em}
.btn-primary{background:var(--gold);color:#1A1408}
.btn-primary:hover{background:var(--gold-hover);transform:translateY(-1px);box-shadow:0 0 18px rgba(198,161,91,0.18)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;border-color:var(--border-strong);color:var(--text-primary)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.btn-outline:active{transform:scale(.98)}
.btn-block{width:100%}
.btn-small{padding:10px 20px;font-size:14px;min-height:38px}
.text-gold{color:var(--gold)}
.text-secondary{color:var(--text-secondary)}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.mt-48{margin-top:48px}
/* Header Nav */
.site-header{position:sticky;top:12px;z-index:50;padding:0 16px}
.nav-panel{max-width:var(--container);margin:0 auto;background:rgba(18,22,29,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-base);border-radius:var(--radius-nav);box-shadow:var(--shadow-card);display:flex;align-items:center;gap:16px;padding:12px 16px;transition:border-color .3s}
.nav-panel:hover{border-color:var(--border-strong)}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo svg{width:34px;height:34px;flex-shrink:0}
.brand-name{font-size:18px;font-weight:800;color:var(--text-primary);white-space:nowrap;letter-spacing:.01em}
.brand-name em{font-style:normal;color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{display:flex;flex-direction:column;align-items:center;justify-content:center;width:60px;height:52px;border-radius:12px;background:var(--bg-card);border:1px solid var(--border-base);transition:all .25s ease;position:relative;gap:2px;flex-shrink:0}
.nav-link svg{width:20px;height:20px;stroke:var(--text-secondary);transition:stroke .25s}
.nav-link .nav-text{font-size:11px;color:var(--text-secondary);white-space:nowrap;transition:color .25s}
.nav-link:hover{transform:translateY(-2px);background:var(--bg-panel);border-color:var(--gold-border)}
.nav-link:hover svg,.nav-link:hover .nav-text{stroke:var(--gold);color:var(--gold)}
.nav-link.active{border-color:var(--gold-border);background:var(--bg-panel)}
.nav-link.active svg{stroke:var(--gold)}
.nav-link.active .nav-text{color:var(--gold)}
.nav-link.active::after{content:'';position:absolute;top:6px;right:6px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.nav-cta{margin-left:auto;flex-shrink:0}
@media(max-width:1024px){.nav-links{justify-content:flex-start}.nav-cta .btn-small{padding:8px 14px;font-size:13px}}
@media(max-width:768px){
.site-header{padding:0 8px;top:8px}
.nav-panel{padding:10px 12px;gap:10px}
.brand-name{font-size:15px}
.nav-link{width:48px;height:44px}
.nav-link .nav-text{font-size:10px}
.nav-cta .btn-small{padding:7px 10px;font-size:12px}
}
@media(max-width:520px){
.brand-logo svg{width:26px;height:26px}
.brand-name{font-size:13px}
.nav-cta{display:none}
}
/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;background:var(--bg-primary)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;transform:scale(1);animation:heroZoom 20s ease-in-out infinite alternate;z-index:0}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.05)}}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,#0B0E14 20%,rgba(11,14,20,0.6) 60%,transparent 100%);z-index:1}
.hero-content{position:relative;z-index:2;max-width:760px;padding:120px 0 80px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:100px;border:1px solid var(--gold-border);background:rgba(18,22,29,0.7);font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--gold);margin-bottom:24px}
.hero-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero-title{font-size:clamp(2.5rem,6vw,4.75rem);font-weight:800;line-height:1.1;letter-spacing:.01em;color:var(--text-primary);margin-bottom:24px}
.hero-title .gold{color:var(--gold)}
.hero-sub{font-size:clamp(1rem,1.5vw,1.25rem);color:var(--text-secondary);line-height:1.7;max-width:560px;margin-bottom:40px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-meta{display:flex;gap:32px;border-top:1px solid var(--border-base);padding-top:24px;flex-wrap:wrap}
.hero-meta-item{text-align:left}
.hero-meta-item .value{font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--text-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-meta-item .label{font-size:12px;color:var(--text-secondary);margin-top:4px}
@media(max-width:768px){
.hero{min-height:auto}
.hero-content{text-align:center;padding:100px 16px 64px}
.hero-overlay{background:linear-gradient(0deg,#0B0E14 10%,rgba(11,14,20,0.6) 100%)}
.hero-sub{margin-left:auto;margin-right:auto}
.hero-actions{justify-content:center}
.hero-meta{justify-content:center}
}
@media(max-width:520px){
.hero-meta{gap:20px}
.hero-meta-item .value{font-size:18px}
}
/* Promote Steps */
.promo-section{background:var(--bg-primary)}
.promo-grid{display:grid;grid-template-columns:1fr 1.18fr 1fr;gap:24px;align-items:start}
.promo-card{background:var(--bg-card);border:1px solid var(--border-base);border-radius:var(--radius-card);padding:32px 28px;position:relative;transition:all .35s cubic-bezier(.16,1,.3,1)}
.promo-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--gold-border)}
.promo-card.featured{background:linear-gradient(180deg,rgba(198,161,91,0.06) 0%,transparent 40%),var(--bg-card);border-color:var(--gold-border);box-shadow:0 0 32px rgba(198,161,91,0.08);transform:translateY(-16px)}
.promo-card.featured:hover{transform:translateY(-19px)}
.promo-num{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--text-disabled);letter-spacing:.06em;margin-bottom:16px;display:block}
.promo-card.featured .promo-num{color:var(--gold)}
.promo-name{font-size:20px;font-weight:800;color:var(--text-primary);margin-bottom:4px}
.promo-tag{font-size:13px;color:var(--text-secondary);margin-bottom:20px;display:block}
.promo-list{margin-bottom:24px}
.promo-list li{display:flex;align-items:flex-start;gap:8px;padding:4px 0;font-size:14px;color:var(--text-secondary);line-height:1.6}
.promo-list li::before{content:'✓';color:var(--gold);font-weight:700;flex-shrink:0;font-size:13px}
.promo-badge{position:absolute;top:-10px;right:20px;background:var(--gold);color:#1A1408;font-size:11px;font-weight:800;padding:4px 12px;border-radius:100px;letter-spacing:.04em}
@media(max-width:1024px){
.promo-grid{grid-template-columns:1fr 1fr}
.promo-card.featured{transform:none}
.promo-card.featured:hover{transform:translateY(-3px)}
}
@media(max-width:768px){
.promo-grid{grid-template-columns:1fr}
.promo-card.featured{transform:none}
}
/* Compare Table */
.compare-section{background:var(--bg-card);border-top:1px solid var(--border-base);border-bottom:1px solid var(--border-base)}
.compare-wrap{overflow-x:auto}
.compare-table{min-width:760px;width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius-card);overflow:hidden}
.compare-table th{
padding:24px 20px;text-align:center;font-size:16px;font-weight:800;color:var(--text-primary);
background:var(--bg-panel);border-bottom:1px solid var(--border-base)
}
.compare-table td{padding:14px 20px;text-align:center;border-bottom:1px solid rgba(38,45,56,0.6);font-size:14px;color:var(--text-secondary)}
.compare-table tr:nth-child(even) td{background:#0E1218}
.compare-table tr:hover td{background:rgba(198,161,91,0.04)}
.compare-table .feature-cell{text-align:left;font-weight:600;color:var(--text-primary)}
.compare-table .recommend-col{background:rgba(26,32,42,0.9);border-left:1px solid var(--gold-border);border-right:1px solid var(--gold-border);position:relative}
.compare-table .recommend-col td{color:var(--text-primary)}
.compare-table .recommend-col::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.compare-table .recommend-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gold);color:#1A1408;font-size:11px;font-weight:800;padding:3px 12px;border-radius:100px;white-space:nowrap;z-index:2}
.check{color:var(--gold);font-weight:800}
.cross{color:var(--text-disabled);font-weight:600}
@media(max-width:520px){.compare-wrap{margin:0 -16px;padding:0 16px}}
/* Flash Deal */
.flash-section{background:var(--bg-primary)}
.flash-banner{position:relative;background:var(--bg-card);border:1px solid var(--gold-border);border-radius:var(--radius-card);padding:48px 40px;display:flex;align-items:center;gap:40px;overflow:hidden}
.flash-banner::after{content:'';position:absolute;right:-80px;bottom:-80px;width:240px;height:240px;background:radial-gradient(circle,rgba(198,161,91,0.14),transparent 70%);animation:breath 4s ease-in-out infinite}
@keyframes breath{0%,100%{opacity:.5}50%{opacity:1}}
.flash-left{flex:1;min-width:200px}
.flash-label{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.flash-title{font-size:clamp(1.25rem,2vw,1.75rem);font-weight:800;color:var(--text-primary);line-height:1.3}
.flash-timer{display:flex;align-items:center;gap:8px}
.flash-timer .digit{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--gold);background:rgba(198,161,91,0.08);border:1px solid var(--border-base);border-radius:12px;padding:8px 16px;min-width:70px;text-align:center;font-variant-numeric:tabular-nums;line-height:1.2}
.flash-timer .separator{font-size:24px;font-weight:800;color:var(--text-secondary)}
.flash-timer .unit{font-size:12px;color:var(--text-secondary);text-align:center;margin-top:4px;display:block}
.flash-cta{flex-shrink:0;position:relative;z-index:2}
@media(max-width:768px){
.flash-banner{flex-direction:column;text-align:center;padding:36px 24px;gap:24px}
.flash-timer{justify-content:center}
}
@media(max-width:520px){
.flash-banner{padding:28px 16px}
.flash-timer .digit{padding:6px 10px;min-width:52px;font-size:1.6rem}
}
/* News CMS */
.news-section{background:var(--bg-primary)}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-card{background:var(--bg-card);border:1px solid var(--border-base);border-radius:var(--radius-card);overflow:hidden;transition:all .35s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--gold-border)}
.news-card-thumb{position:relative;height:180px;overflow:hidden;background:var(--bg-panel)}
.news-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-card-thumb img{transform:scale(1.05)}
.badge-cat{position:absolute;top:12px;left:12px;background:rgba(11,14,20,0.85);color:var(--gold);font-size:11px;font-weight:700;padding:4px 12px;border-radius:100px;border:1px solid var(--gold-border);backdrop-filter:blur(4px)}
.news-card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.news-card-body h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--text-primary);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s}
.news-card:hover .news-card-body h3{color:var(--gold)}
.news-card-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-card-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--text-disabled);margin-top:auto}
.news-card-meta time{font-family:var(--font-display);font-variant-numeric:tabular-nums}
.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-secondary);background:var(--bg-card);border-radius:var(--radius-card);border:1px dashed var(--border-strong)}
.empty-state svg{width:48px;height:48px;stroke:var(--text-disabled);margin-bottom:16px}
@media(max-width:768px){.news-grid{grid-template-columns:1fr}}
/* FAQ */
.faq-section{background:var(--bg-card);border-top:1px solid var(--border-base);border-bottom:1px solid var(--border-base)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border-base)}
.faq-item:first-child{border-top:1px solid var(--border-base)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;cursor:pointer;font-size:16px;font-weight:600;color:var(--text-primary);transition:color .25s;background:none;border:none;width:100%;text-align:left}
.faq-q:hover{color:var(--gold)}
.faq-q .icon{width:24px;height:24px;flex-shrink:0;position:relative;transition:transform .3s}
.faq-q .icon::before,.faq-q .icon::after{content:'';position:absolute;background:var(--gold);border-radius:2px;transition:all .3s}
.faq-q .icon::before{width:14px;height:2px;top:11px;left:5px}
.faq-q .icon::after{width:2px;height:14px;top:5px;left:11px}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.16,1,.3,1)}
.faq-a-inner{padding:0 40px 20px 0;color:var(--text-secondary);font-size:15px;line-height:1.75}
.faq-item.open .faq-a{max-height:500px}
/* Contact Form */
.contact-section{background:var(--bg-primary)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info .sec-title{margin-bottom:16px}
.contact-info p{color:var(--text-secondary);line-height:1.7;margin-bottom:32px}
.contact-points{display:flex;flex-direction:column;gap:20px}
.contact-point{display:flex;gap:14px;align-items:flex-start}
.contact-point svg{width:22px;height:22px;stroke:var(--gold);flex-shrink:0;margin-top:2px}
.contact-point .cp-title{font-size:15px;font-weight:700;color:var(--text-primary)}
.contact-point .cp-desc{font-size:13px;color:var(--text-secondary)}
.form-card{background:var(--bg-card);border:1px solid var(--border-base);border-radius:var(--radius-card);padding:40px;box-shadow:var(--shadow-card)}
.form-group{margin-bottom:24px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:8px}
.form-control{width:100%;background:transparent;border:none;border-bottom:1px solid var(--border-strong);padding:10px 2px;font-size:15px;color:var(--text-primary);transition:border-color .3s;border-radius:0;min-height:44px}
.form-control:focus{outline:none;border-bottom-color:var(--gold);box-shadow:0 1px 0 var(--gold)}
.form-control::placeholder{color:var(--text-disabled)}
select.form-control{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C6A15B' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;padding-right:28px;cursor:pointer}
textarea.form-control{resize:vertical;min-height:96px;line-height:1.6}
.form-submit{margin-top:12px}
.form-privacy{font-size:13px;color:var(--text-disabled);text-align:center;margin-top:16px;line-height:1.5}
.form-alert{display:none;padding:12px 16px;border-radius:8px;font-size:14px;margin-top:12px;line-height:1.5}
.form-alert.success{display:block;background:rgba(61,169,123,0.1);border:1px solid rgba(61,169,123,0.4);color:var(--success)}
.form-alert.error{display:block;background:rgba(226,97,76,0.1);border:1px solid rgba(226,97,76,0.4);color:var(--danger)}
@media(max-width:768px){
.contact-grid{grid-template-columns:1fr;gap:32px}
.form-card{padding:28px 20px}
}
/* Footer */
.site-footer{background:#080A0E;border-top:1px solid var(--border-base);padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-logo{margin-bottom:20px}
.footer-brand p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}
.footer-column h4{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:20px;letter-spacing:.02em}
.footer-column ul li{margin-bottom:12px}
.footer-column ul a{font-size:14px;color:var(--text-secondary);transition:color .25s}
.footer-column ul a:hover{color:var(--gold)}
.footer-contact li{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px;display:flex;gap:8px}
.footer-contact svg{width:16px;height:16px;stroke:var(--gold);flex-shrink:0;margin-top:3px}
.footer-bottom{border-top:1px solid var(--border-base);padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-copy{font-size:13px;color:var(--text-disabled)}
.footer-links{display:flex;gap:24px}
.footer-links a{font-size:13px;color:var(--text-disabled);transition:color .25s}
.footer-links a:hover{color:var(--gold)}
@media(max-width:1024px){
.footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.footer-top{grid-template-columns:1fr;gap:32px}
.footer-bottom{flex-direction:column;text-align:center}
}
/* Reveal Animation */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s cubic-bezier(.16,1,.3,1),transform .5s cubic-bezier(.16,1,.3,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation:none !important;transition:none !important}
.reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,select,input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ===== Design Variables ===== */
:root{
  --bg:#0B0E14;
  --surface:#12161D;
  --surface-2:#1A202A;
  --border:#262D38;
  --border-strong:#3A4350;
  --gold:#C6A15B;
  --gold-hover:#D9B87C;
  --gold-border:rgba(198,161,91,0.55);
  --text:#ECE8E0;
  --text-secondary:#8E99A7;
  --text-faint:#4E5660;
  --danger:#E2614C;
  --success:#3DA97B;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(0,0,0,0.25);
  --shadow-hover:0 12px 32px rgba(0,0,0,0.4);
  --transition:0.25s cubic-bezier(0.16,1,0.3,1);
}

/* ===== Container ===== */
.container{max-width:1280px;margin:0 auto;padding:0 24px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);font-weight:700;cursor:pointer;
  border:none;transition:all var(--transition);white-space:nowrap;
}
.btn-primary{
  background:var(--gold);color:#0B0E14;padding:14px 32px;font-size:1rem;
}
.btn-primary:hover{
  background:var(--gold-hover);transform:translateY(-1px);
  box-shadow:0 0 18px rgba(198,161,91,0.18);
}
.btn-primary:active{transform:scale(0.98)}
.btn-secondary{
  background:transparent;border:1px solid var(--border-strong);
  color:var(--text);padding:14px 32px;font-size:1rem;
}
.btn-secondary:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px)}
.btn-small{padding:10px 20px;font-size:0.875rem}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:12px;z-index:100;padding:0 24px;
}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  background:rgba(18,22,29,0.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:12px 16px;
  max-width:1280px;margin:0 auto;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;flex-shrink:0;
}
.brand-logo svg{width:38px;height:38px;flex-shrink:0}
.brand-name{
  font-size:1.25rem;font-weight:800;color:var(--text);
  letter-spacing:0.01em;white-space:nowrap;
}
.brand-name em{font-style:normal;color:var(--gold)}
.nav-links{
  display:flex;gap:8px;flex:1;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;padding:4px 0;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:44px;height:44px;padding:0 14px;border-radius:12px;
  background:var(--surface);border:1px solid var(--border);
  color:var(--text-secondary);font-size:0.875rem;font-weight:600;
  white-space:nowrap;transition:all var(--transition);position:relative;
}
.nav-link svg{width:18px;height:18px;stroke:var(--text-secondary);transition:stroke var(--transition);flex-shrink:0}
.nav-link:hover{
  transform:translateY(-2px);border-color:var(--gold-border);
  color:var(--text);background:var(--surface-2);
}
.nav-link.active{
  border-color:var(--gold-border);color:var(--text);background:var(--surface-2);
}
.nav-link.active svg{stroke:var(--gold)}
.nav-link.active::before{
  content:"";position:absolute;top:5px;left:5px;width:6px;height:6px;
  border-radius:50%;background:var(--gold);
}
.nav-cta{flex-shrink:0}

/* ===== Main / Section ===== */
main{display:block}
.section{padding:96px 0}

/* ===== Category Hero ===== */
.category-hero{padding-top:24px}
.hero-card{
  position:relative;
  min-height:500px;
  display:flex;align-items:center;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  border-radius:24px;border:1px solid var(--border);overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,14,20,0.94) 0%,rgba(11,14,20,0.7) 55%,rgba(11,14,20,0.3) 100%);
}
.hero-card-inner{
  position:relative;z-index:2;
  padding:clamp(40px,6vw,80px);
  max-width:720px;width:100%;
}
.hero-tag{
  display:inline-block;font-size:0.75rem;font-weight:700;
  letter-spacing:0.08em;text-transform:uppercase;
  color:var(--gold);border:1px solid var(--gold-border);
  padding:6px 14px;border-radius:999px;margin-bottom:24px;
}
.hero-card h1{
  font-size:clamp(2.5rem,6vw,4.25rem);
  font-weight:800;line-height:1.1;letter-spacing:0.01em;
  color:var(--text);margin-bottom:20px;
}
.hero-sub{
  font-size:1.125rem;color:var(--text-secondary);
  max-width:600px;margin-bottom:36px;line-height:1.75;
}
.hero-sub strong{color:var(--text);font-weight:700}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{
  display:flex;gap:40px;flex-wrap:wrap;
  border-top:1px solid var(--border);padding-top:24px;
}
.stat-item{display:flex;flex-direction:column;gap:2px}
.stat-item strong{
  font-family:"Inter","Noto Sans SC",sans-serif;
  font-size:1.75rem;font-weight:800;color:var(--gold);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-item span{font-size:0.875rem;color:var(--text-secondary)}

/* ===== Section Tag & Head ===== */
.section-tag{
  display:inline-block;font-size:0.75rem;font-weight:700;
  letter-spacing:0.08em;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;
}
.section-head{margin-bottom:48px;max-width:640px}
.section-head h2,.section-head .h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);
  font-weight:800;line-height:1.1;letter-spacing:0.01em;color:var(--text);
  margin-bottom:12px;
}
.section-head p{color:var(--text-secondary);font-size:1rem}

/* ===== Feature Lead Card ===== */
.lead-card{
  display:grid;grid-template-columns:1.1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:box-shadow var(--transition);
}
.lead-card:hover{box-shadow:var(--shadow-hover)}
.lead-media{position:relative;min-height:360px;overflow:hidden}
.lead-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.lead-content{padding:48px;display:flex;flex-direction:column;justify-content:center}
.lead-content h2{
  font-size:clamp(1.5rem,2.2vw,2.125rem);
  font-weight:800;line-height:1.2;color:var(--text);margin-bottom:16px;
}
.lead-content p{color:var(--text-secondary);margin-bottom:16px;line-height:1.75}
.lead-content .btn{margin-top:16px;align-self:flex-start}

/* ===== Alternate Blocks ===== */
.alternate-section .container{display:flex;flex-direction:column;gap:64px}
.alternate-item{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.alternate-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);min-height:280px;position:relative;
}
.alternate-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.alternate-content h2{
  font-size:clamp(1.5rem,2.2vw,2.125rem);
  font-weight:800;line-height:1.2;color:var(--text);margin-bottom:16px;
}
.alternate-content p{color:var(--text-secondary);margin-bottom:24px}
.alternate-item.reverse .alternate-media{order:2}
.alternate-item.reverse .alternate-content{order:1}

/* ===== Check List ===== */
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{
  position:relative;padding-left:30px;color:var(--text);font-size:0.9375rem;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:4px;width:18px;height:18px;
  border-radius:50%;background:rgba(198,161,91,0.15);
  border:1px solid var(--gold-border);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:10px;width:8px;height:4px;
  border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(-45deg);
}

/* ===== Steps ===== */
.steps-section{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.step-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px 24px;position:relative;
  transition:all var(--transition);
}
.step-card:hover{
  transform:translateY(-3px);border-color:var(--gold-border);box-shadow:var(--shadow-hover);
}
.step-head{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.step-num{
  font-family:"Inter","Noto Sans SC",sans-serif;
  font-size:1.5rem;font-weight:800;color:var(--gold);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.step-line{flex:1;height:1px;background:var(--border)}
.step-card h3{font-size:1.125rem;font-weight:700;color:var(--text);margin-bottom:8px}
.step-card p{font-size:0.875rem;color:var(--text-secondary);line-height:1.6}

/* ===== Download Center ===== */
.download-card{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:var(--surface);border:1px solid var(--gold-border);
  border-radius:var(--radius-lg);padding:56px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.download-card::before{
  content:"";position:absolute;right:-80px;bottom:-80px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(198,161,91,0.12) 0%,rgba(198,161,91,0) 70%);
  pointer-events:none;
}
.download-info h2{
  font-size:clamp(1.5rem,2.2vw,2.125rem);
  font-weight:800;line-height:1.2;color:var(--text);margin-bottom:12px;
}
.download-info p{color:var(--text-secondary)}
.download-form{display:flex;flex-direction:column;gap:16px}
.form-select{
  background:var(--bg);border:1px solid var(--border-strong);
  color:var(--text);border-radius:var(--radius-sm);
  padding:14px 16px;font-size:1rem;cursor:pointer;transition:border-color var(--transition);
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C6A15B' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.form-select:hover{border-color:var(--gold-border)}
.form-select:focus{border-color:var(--gold);outline:none}
.download-note{font-size:0.8125rem;color:var(--text-faint);text-align:center}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:20px;background:none;border:none;cursor:pointer;
  padding:24px 0;color:var(--text);font-size:1rem;font-weight:600;
  text-align:left;transition:color var(--transition);
}
.faq-question:hover{color:var(--gold)}
.faq-icon{
  color:var(--gold);font-size:1.25rem;font-weight:700;flex-shrink:0;
  transition:transform var(--transition);font-family:"Inter",sans-serif;
}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height 0.35s cubic-bezier(0.16,1,0.3,1);
}
.faq-answer p{
  padding:0 0 24px;color:var(--text-secondary);font-size:0.9375rem;line-height:1.75;
}
.faq-item.active .faq-answer{max-height:300px}

/* ===== Final CTA ===== */
.cta-card{
  text-align:center;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:64px 48px;position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;left:50%;bottom:-100px;transform:translateX(-50%);
  width:420px;height:220px;background:radial-gradient(ellipse,rgba(198,161,91,0.1),rgba(198,161,91,0));
  pointer-events:none;
}
.cta-card h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);
  font-weight:800;line-height:1.2;color:var(--text);margin-bottom:12px;
}
.cta-card p{color:var(--text-secondary);max-width:520px;margin:0 auto 32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{
  background:#080A0E;border-top:1px solid var(--border);
  margin-top:48px;
}
.site-footer .container{padding-top:64px;padding-bottom:32px}
.footer-top{
  display:grid;grid-template-columns:1.6fr 0.8fr 1fr 1.1fr;
  gap:40px;padding-bottom:48px;border-bottom:1px solid var(--border);
}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-brand p{
  font-size:0.875rem;color:var(--text-secondary);line-height:1.7;
  max-width:340px;
}
.footer-column h4{
  font-size:1rem;font-weight:700;color:var(--text);
  margin-bottom:16px;
}
.footer-column ul{display:flex;flex-direction:column;gap:10px}
.footer-column ul li a{
  font-size:0.875rem;color:var(--text-secondary);
  transition:color var(--transition);
}
.footer-column ul li a:hover{color:var(--gold)}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:0.875rem;color:var(--text-secondary);
}
.footer-contact svg{width:18px;height:18px;stroke:var(--gold);flex-shrink:0;margin-top:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;padding-top:24px;
}
.footer-copy{font-size:0.8125rem;color:var(--text-faint)}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{
  font-size:0.8125rem;color:var(--text-secondary);
  transition:color var(--transition);
}
.footer-links a:hover{color:var(--gold)}

/* ===== Toast ===== */
.toast{
  position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--surface-2);border:1px solid var(--gold-border);
  color:var(--text);padding:14px 24px;border-radius:var(--radius-sm);
  font-size:0.875rem;box-shadow:var(--shadow-hover);z-index:999;
  opacity:0;visibility:hidden;transition:all 0.3s cubic-bezier(0.16,1,0.3,1);
  max-width:calc(100vw - 48px);text-align:center;
}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ===== Scroll Animation ===== */
.js-anim .section{opacity:0;transform:translateY(16px);transition:opacity 0.5s cubic-bezier(0.16,1,0.3,1),transform 0.5s cubic-bezier(0.16,1,0.3,1)}
.js-anim .section.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .lead-card{grid-template-columns:1fr}
  .lead-media{min-height:280px}
  .alternate-item{grid-template-columns:1fr;gap:32px}
  .alternate-item.reverse .alternate-media{order:0}
  .alternate-item.reverse .alternate-content{order:0}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .download-card{grid-template-columns:1fr;gap:32px;padding:40px}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .category-hero .hero-card{min-height:420px}
  .hero-card-inner{padding:40px 24px;text-align:center}
  .hero-card::before{
    background:linear-gradient(180deg,rgba(11,14,20,0.9) 0%,rgba(11,14,20,0.7) 60%,rgba(11,14,20,0.4) 100%);
  }
  .hero-sub{font-size:1rem}
  .hero-actions{justify-content:center}
  .hero-stats{justify-content:center;gap:24px}
  .nav-panel{gap:12px;padding:10px 12px}
  .brand-name{font-size:1rem}
  .brand-logo svg{width:32px;height:32px}
  .nav-text{display:none}
  .nav-link{padding:0 12px;min-width:42px;height:42px}
  .nav-cta{padding:8px 14px;font-size:0.8125rem}
  .lead-content{padding:32px 24px}
  .download-card{padding:32px 24px}
  .steps-grid{grid-template-columns:1fr}
  .cta-card{padding:48px 24px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .container{padding:0 16px}
  .site-header{padding:0 16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  .js-anim .section{opacity:1;transform:none}
}

/* roulang page: article */
:root {
    --bg-primary: #0B0E14;
    --bg-card: #12161D;
    --bg-panel: #1A202A;
    --border-color: #262D38;
    --border-strong: #3A4350;
    --border-gold: rgba(198,161,91,0.55);
    --gold: #C6A15B;
    --gold-hover: #D9B87C;
    --text-primary: #ECE8E0;
    --text-secondary: #8E99A7;
    --text-muted: #4E5660;
    --accent-red: #E2614C;
    --accent-green: #3DA97B;
    --radius-panel: 18px;
    --radius-card: 14px;
    --radius-btn: 8px;
    --shadow-card: 0 4px 20px rgba(0,0,0,0.25);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.4);
    --font-cn: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-en: "Inter", "Archivo", "Helvetica Neue", Arial, sans-serif;
    --container-width: 1280px;
  }

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

  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

  body {
    font-family: var(--font-cn);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.75;
    overflow-x: hidden;
  }

  img { max-width: 100%; height: auto; display: block; }
  a { color: var(--gold); text-decoration: none; }
  a:hover { color: var(--gold-hover); }
  ul, ol { padding-left: 1.25em; }

  :focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }

  .container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-cn);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.01em;
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--gold);
    color: #151515;
    border-color: var(--gold);
  }
  .btn-primary:hover {
    background: var(--gold-hover);
    border-color: var(--gold-hover);
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(198,161,91,0.18);
    color: #151515;
  }
  .btn-primary:active { transform: scale(0.98); }
  .btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-strong);
  }
  .btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
  .btn-small { padding: 8px 16px; font-size: 13px; }

  /* ===== Header 导航 ===== */
  .site-header {
    position: sticky;
    top: 12px;
    z-index: 100;
    padding: 0 16px;
    margin-bottom: 24px;
  }
  .nav-panel {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(18,22,29,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-panel);
    box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  }
  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
    transition: opacity 0.2s;
  }
  .brand-logo:hover { opacity: 0.88; }
  .brand-logo svg { width: 36px; height: 36px; flex-shrink: 0; }
  .brand-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.01em;
    white-space: nowrap;
  }
  .brand-name em { font-style: normal; color: var(--gold); }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
  }
  .nav-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 60px;
    min-height: 48px;
    padding: 4px 10px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
  }
  .nav-link svg { width: 18px; height: 18px; stroke: currentColor; }
  .nav-text { font-size: 12px; font-weight: 500; line-height: 1.2; }
  .nav-link:hover {
    transform: translateY(-2px);
    border-color: var(--border-gold);
    color: var(--text-primary);
    background: var(--bg-panel);
  }
  .nav-link.active {
    border-color: var(--border-gold);
    color: var(--text-primary);
    background: var(--bg-panel);
  }
  .nav-link.active::before {
    content: "";
    position: absolute;
    top: -3px;
    left: -3px;
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--gold);
    box-shadow: 0 0 6px rgba(198,161,91,0.6);
  }
  .nav-cta { flex-shrink: 0; }

  /* ===== 面包屑 ===== */
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 24px 0 20px;
    font-size: 13px;
    color: var(--text-secondary);
  }
  .breadcrumb a { color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
  .breadcrumb a:hover { color: var(--gold); }
  .breadcrumb .sep { color: var(--text-muted); }
  .breadcrumb .current,
  .breadcrumb .current-cat {
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
  }

  /* ===== 文章详情 ===== */
  .page-main { min-height: 70vh; padding-bottom: 40px; }
  .article-detail {
    max-width: 960px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-panel);
    padding: 48px;
    box-shadow: var(--shadow-card);
  }
  .article-header {
    max-width: 780px;
    margin: 0 auto 36px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
  }
  .article-header h1 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    line-height: 1.25;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-secondary);
  }
  .meta-item { display: inline-flex; align-items: center; gap: 6px; }
  .meta-item svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; }

  /* ===== 正文排版 ===== */
  .article-body {
    max-width: 780px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-primary);
  }
  .article-body > *:first-child { margin-top: 0; }
  .article-body p { margin-bottom: 24px; }
  .article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 40px 0 16px;
    padding-top: 8px;
  }
  .article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 32px 0 12px;
  }
  .article-body h4 {
    font-size: 1rem;
    font-weight: 700;
    margin: 24px 0 8px;
  }
  .article-body ul,
  .article-body ol { margin-bottom: 24px; padding-left: 24px; }
  .article-body li { margin-bottom: 8px; }
  .article-body li::marker { color: var(--gold); }
  .article-body a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
  .article-body a:hover { color: var(--gold-hover); }
  .article-body blockquote {
    border-left: 3px solid var(--gold);
    background: var(--bg-panel);
    padding: 16px 20px;
    margin: 0 0 24px;
    border-radius: 0 12px 12px 0;
    color: var(--text-secondary);
    font-style: italic;
  }
  .article-body img { border-radius: 12px; margin: 8px 0 24px; }
  .article-body pre {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 18px 20px;
    border-radius: 12px;
    overflow-x: auto;
    font-family: "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
  }
  .article-body code {
    font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
    background: var(--bg-panel);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
  }
  .article-body pre code { background: none; padding: 0; }
  .article-body table { width: 100%; border-collapse: collapse; margin-bottom: 24px; font-size: 14px; }
  .article-body table th,
  .article-body table td { padding: 10px 12px; border: 1px solid var(--border-color); text-align: left; }
  .article-body table th { background: var(--bg-panel); color: var(--gold); font-weight: 600; }
  .article-body table tr:nth-child(even) { background: rgba(255,255,255,0.02); }

  /* ===== 内容未找到 ===== */
  .article-missing {
    text-align: center;
    padding: 80px 20px;
  }
  .article-missing svg {
    width: 72px;
    height: 72px;
    color: var(--text-muted);
    margin-bottom: 20px;
  }
  .article-missing h1 { font-size: 1.75rem; margin-bottom: 12px; }
  .article-missing p { color: var(--text-secondary); margin-bottom: 24px; }

  /* ===== 相关推荐 ===== */
  .related-section {
    max-width: 960px;
    margin: 48px auto 0;
  }
  .section-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
  }
  .section-tag {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gold);
    font-family: var(--font-en);
    font-weight: 600;
  }
  .section-head h2 { font-size: clamp(1.25rem, 2vw, 1.75rem); font-weight: 700; }
  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .related-grid:empty::after {
    content: "暂无相关内容";
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
    font-size: 14px;
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-card);
  }
  .related-card,
  .cms-list-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
  }
  .related-card:hover,
  .cms-list-item:hover {
    transform: translateY(-3px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-hover);
    color: var(--text-primary);
  }
  .related-card .card-category,
  .cms-list-item .card-category {
    font-size: 12px;
    color: var(--gold);
    font-weight: 600;
  }
  .related-card h3,
  .cms-list-item h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.4; margin: 0; }
  .related-card p,
  .cms-list-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
  .related-card .card-meta,
  .cms-list-item .card-meta { font-size: 13px; color: var(--text-muted); }
  .related-card img,
  .cms-list-item img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 10px;
    margin: -10px 0 0;
  }

  /* ===== 上一篇 / 下一篇 ===== */
  .article-prev-next {
    max-width: 960px;
    margin: 32px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
  }
  .prev-link,
  .next-link { flex: 1; min-width: 0; font-size: 14px; }
  .next-link { text-align: right; }
  .prev-link:empty,
  .next-link:empty { display: none; }
  .prev-link a,
  .next-link a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .prev-link a:hover,
  .next-link a:hover { color: var(--gold); }
  .back-list {
    color: var(--gold);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
    margin: 0 auto;
    transition: color 0.2s;
  }
  .back-list:hover { color: var(--gold-hover); }

  /* ===== 页脚 ===== */
  .site-footer {
    background: #080A0E;
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
    margin-top: 80px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 1.2fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
  }
  .footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin: 0; }
  .footer-column h4 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }
  .footer-column ul { list-style: none; padding: 0; }
  .footer-column li { margin-bottom: 10px; }
  .footer-column a { color: var(--text-secondary); text-decoration: none; font-size: 14px; transition: color 0.2s; }
  .footer-column a:hover { color: var(--gold); }
  .footer-contact { list-style: none; padding: 0; }
  .footer-contact li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
  .footer-contact svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 24px;
    font-size: 13px;
    color: var(--text-muted);
  }
  .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
  .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; transition: color 0.2s; }
  .footer-links a:hover { color: var(--gold); }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .footer-top { grid-template-columns: 1fr 1fr; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links { gap: 4px; }
    .nav-link { min-width: 52px; padding: 4px 8px; }
  }

  @media (max-width: 768px) {
    .site-header { top: 0; padding: 0 8px; margin-bottom: 16px; }
    .nav-panel { flex-wrap: wrap; gap: 8px; padding: 10px 12px; border-radius: 14px; }
    .brand-name { font-size: 16px; }
    .nav-cta { margin-left: auto; }
    .nav-links {
      order: 3;
      flex: 1 1 100%;
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding: 4px 2px 6px;
      margin-left: 0;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-link { flex: 0 0 56px; min-height: 44px; }
    .article-detail { padding: 28px 20px; }
    .article-header h1 { font-size: 1.5rem; }
    .article-prev-next { flex-direction: column; align-items: stretch; text-align: center; gap: 8px; }
    .next-link { text-align: center; }
    .back-list { order: -1; margin: 0 0 8px; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
    .related-grid { grid-template-columns: 1fr; }
    .breadcrumb .current,
    .breadcrumb .current-cat { max-width: 180px; }
    .article-body table { display: block; overflow-x: auto; white-space: nowrap; }
  }

  @media (max-width: 520px) {
    .brand-logo svg { width: 30px; height: 30px; }
    .brand-name { font-size: 15px; }
    .nav-cta { padding: 8px 12px; font-size: 12px; }
    .container { padding-left: 16px; padding-right: 16px; }
    .article-detail { padding: 20px 16px; }
    .breadcrumb { padding-top: 16px; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

/* roulang page: category2 */
:root {
  --bg: #0B0E14;
  --card: #12161D;
  --panel: #1A202A;
  --border: #262D38;
  --border-strong: #3A4350;
  --gold: #C6A15B;
  --gold-hover: #D9B87C;
  --gold-border: rgba(198,161,91,0.55);
  --text: #ECE8E0;
  --text-secondary: #8E99A7;
  --text-disabled: #4E5660;
  --danger: #E2614C;
  --success: #3DA97B;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.25);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.4);
  --font-cn: "Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num: "Inter","Archivo","Noto Sans SC",sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--gold);
  text-decoration: none;
  transition: color .25s ease;
}
a:hover {
  color: var(--gold-hover);
}
button {
  font-family: inherit;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.em-gold {
  font-style: normal;
  color: var(--gold);
}
.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 1000;
  padding: 0 16px;
}
.nav-panel {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(18,22,29,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo svg {
  width: 36px;
  height: 36px;
}
.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
  white-space: nowrap;
}
.brand-name em {
  font-style: normal;
  color: var(--gold);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar {
  display: none;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all .25s ease;
  min-height: 44px;
}
.nav-link svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  flex-shrink: 0;
}
.nav-link:hover {
  color: var(--text);
  background: var(--panel);
  border-color: rgba(198,161,91,0.35);
  transform: translateY(-2px);
}
.nav-link.active {
  color: var(--gold);
  background: var(--panel);
  border-color: var(--gold-border);
  box-shadow: 0 0 12px rgba(198,161,91,0.1);
}
.nav-link.active::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.nav-cta {
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  font-size: .9375rem;
  font-weight: 700;
  padding: 12px 28px;
  transition: all .3s cubic-bezier(.16,1,.3,1);
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.2;
  text-decoration: none;
}
.btn-primary {
  background: var(--gold);
  color: #131313;
}
.btn-primary:hover {
  background: var(--gold-hover);
  color: #131313;
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(198,161,91,0.18);
}
.btn-primary:active {
  transform: scale(.98);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(198,161,91,0.04);
}
.btn-small {
  padding: 8px 18px;
  font-size: .875rem;
  min-height: 38px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #0B0E14 0%, rgba(11,14,20,0.85) 50%, rgba(11,14,20,0.45) 100%),
              url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 120px 0 80px;
}
.hero-container {
  width: 100%;
}
.hero-content {
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(198,161,91,0.1);
  border: 1px solid var(--gold-border);
  color: var(--gold);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: .01em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 28px;
  max-width: 600px;
}
.meta-item {
  display: flex;
  flex-direction: column;
}
.meta-item .meta-num {
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
}
.meta-item .meta-label {
  font-size: .8125rem;
  color: var(--text-secondary);
}

/* ===== Section common ===== */
.section {
  padding: 96px 0;
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 56px;
  max-width: 640px;
}
.section-tag {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-tag::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--gold);
}
.section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--text);
}
.section-sub {
  color: var(--text-secondary);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===== card base ===== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all .4s cubic-bezier(.16,1,.3,1);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-border);
  box-shadow: var(--shadow-hover);
}

/* ===== News Service ===== */
.news-service .service-card {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow: hidden;
}
.service-image {
  flex: 0 0 50%;
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .6s ease;
}
.service-card:hover .service-image img {
  transform: scale(1.03);
}
.service-body {
  flex: 1;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.service-body h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.service-body p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.75;
}
.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9375rem;
  color: var(--text);
  line-height: 1.6;
}
.service-list li svg {
  width: 18px;
  height: 18px;
  stroke: var(--gold);
  flex-shrink: 0;
  margin-top: 4px;
}

/* ===== Update Flow ===== */
.flow-section {
  background: #080A0E;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.flow-step {
  position: relative;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all .3s ease;
}
.flow-step:hover {
  border-color: var(--gold-border);
  transform: translateY(-4px);
}
.flow-step .step-num {
  font-family: var(--font-num);
  font-size: .8125rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .1em;
  display: block;
  margin-bottom: 12px;
}
.flow-step .step-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 18px;
}
.flow-step .step-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--gold);
}
.flow-step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.flow-step p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Highlights ===== */
.highlight-row {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 64px;
}
.highlight-row:last-child {
  margin-bottom: 0;
}
.highlight-row.reverse {
  flex-direction: row-reverse;
}
.highlight-media {
  flex: 0 0 48%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.highlight-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform .6s ease;
}
.highlight-media:hover img {
  transform: scale(1.03);
}
.highlight-content {
  flex: 1;
}
.highlight-content .hl-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--gold);
  background: rgba(198,161,91,0.08);
  border: 1px solid var(--gold-border);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.highlight-content h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.4;
}
.highlight-content p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}
.highlight-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.highlight-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9375rem;
  color: var(--text);
}
.highlight-list li svg {
  width: 16px;
  height: 16px;
  stroke: var(--gold);
  flex-shrink: 0;
}

/* ===== Stats ===== */
.stats-section {
  background: #080A0E;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  transition: all .3s ease;
}
.stat-card:hover {
  border-color: var(--gold-border);
  transform: translateY(-3px);
}
.stat-num {
  font-family: var(--font-num);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
  display: block;
  margin-bottom: 8px;
}
.stat-label {
  font-size: .875rem;
  color: var(--text-secondary);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  padding: 8px 0;
  min-height: 44px;
  border: none;
  background: none;
  text-align: left;
  width: 100%;
  transition: color .25s ease;
}
.faq-question:hover {
  color: var(--gold);
}
.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.faq-icon::before {
  width: 12px;
  height: 2px;
  top: 9px;
  left: 4px;
}
.faq-icon::after {
  width: 2px;
  height: 12px;
  top: 4px;
  left: 9px;
}
.faq-item.open .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.faq-answer {
  display: block;
  padding: 8px 0 16px;
  color: var(--text-secondary);
  font-size: .9375rem;
  line-height: 1.75;
  max-width: 720px;
}
.faq-item.closed .faq-answer {
  display: none;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-card {
  background: var(--card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(198,161,91,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.cta-card h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}
.cta-card p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #080A0E;
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 320px;
}
.footer-column h4 {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-column a {
  color: var(--text-secondary);
  font-size: .875rem;
  transition: color .25s ease;
}
.footer-column a:hover {
  color: var(--gold);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.footer-contact svg {
  width: 16px;
  height: 16px;
  stroke: var(--gold);
  flex-shrink: 0;
  margin-top: 4px;
}
.footer-contact li {
  margin-bottom: 10px;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-size: .8125rem;
  color: var(--text-disabled);
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: .8125rem;
  color: var(--text-secondary);
}
.footer-links a:hover {
  color: var(--gold);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.reveal {
  opacity: 1;
  animation: fadeUp .5s cubic-bezier(.16,1,.3,1) both;
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section {
    padding: 64px 0;
  }
  .site-header {
    top: 8px;
    padding: 0 12px;
  }
  .nav-panel {
    padding: 10px 12px;
    gap: 10px;
  }
  .brand-logo svg {
    width: 30px;
    height: 30px;
  }
  .brand-name {
    font-size: .9rem;
  }
  .nav-links {
    justify-content: flex-start;
    gap: 4px;
  }
  .nav-link {
    padding: 8px 10px;
    font-size: .8125rem;
  }
  .nav-link svg {
    width: 16px;
    height: 16px;
  }
  .nav-link .nav-text {
    font-size: .8125rem;
  }
  .nav-cta {
    display: none;
  }
  .hero {
    min-height: 60vh;
    padding: 100px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, #0B0E14 0%, rgba(11,14,20,0.9) 60%, rgba(11,14,20,0.6) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-meta {
    justify-content: center;
    max-width: 100%;
    gap: 24px;
  }
  .service-card {
    flex-direction: column;
  }
  .service-image {
    flex: none;
    min-height: 240px;
  }
  .service-image img {
    position: static;
    height: 240px;
  }
  .service-body {
    padding: 32px 24px;
  }
  .flow-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .highlight-row {
    flex-direction: column !important;
    gap: 24px;
    margin-bottom: 48px;
  }
  .highlight-media {
    flex: none;
    width: 100%;
  }
  .highlight-media img {
    height: 240px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
  }
  .stat-num {
    font-size: 1.875rem;
  }
  .cta-card {
    padding: 48px 24px;
  }
  .cta-card h2 {
    font-size: 1.375rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .flow-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.25rem;
  }
  .hero-sub {
    font-size: 1rem;
  }
  .hero-meta {
    flex-direction: column;
    gap: 16px;
  }
  .nav-link .nav-text {
    font-size: .75rem;
  }
  .nav-link {
    padding: 8px;
  }
  .nav-link svg {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category3 */
:root{
  --bg-dark:#0B0E14;
  --bg-card:#12161D;
  --bg-panel:#1A202A;
  --bg-line:#0E1218;
  --border-base:#262D38;
  --border-strong:#3A4350;
  --gold:#C6A15B;
  --gold-hover:#D9B87C;
  --gold-border:rgba(198,161,91,.55);
  --gold-glow:rgba(198,161,91,.18);
  --text-primary:#ECE8E0;
  --text-secondary:#8E99A7;
  --text-disabled:#4E5660;
  --danger:#E2614C;
  --success:#3DA97B;
  --radius-panel:18px;
  --radius-card:14px;
  --radius-small:12px;
  --radius-btn:8px;
  --shadow-card:0 4px 20px rgba(0,0,0,.25);
  --shadow-hover:0 12px 32px rgba(0,0,0,.4);
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;background:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
ul,ol{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
@media(max-width:768px){.section{padding:64px 0}}
.section-head{margin-bottom:48px}
.section-head .section-tag{
  display:inline-block;font-family:Inter,sans-serif;font-size:.75rem;letter-spacing:.08em;
  color:var(--gold);text-transform:uppercase;margin-bottom:12px;font-weight:700
}
.section-head h2{
  font-size:clamp(1.5rem,2.5vw,2.25rem);font-weight:800;line-height:1.2;color:var(--text-primary);letter-spacing:.01em
}
.section-head p{margin-top:12px;color:var(--text-secondary);font-size:1rem;max-width:680px;line-height:1.75}
@media(max-width:768px){.section-head{padding:0 4px}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-btn);font-weight:700;font-size:.9375rem;
  transition:all .3s var(--ease);cursor:pointer;border:none;line-height:1.4;min-height:44px;
  font-family:"Noto Sans SC",sans-serif;letter-spacing:.02em;
}
.btn-primary{
  background:var(--gold);color:#15100A;box-shadow:0 4px 14px rgba(198,161,91,.22)
}
.btn-primary:hover{background:var(--gold-hover);transform:translateY(-1px);box-shadow:0 4px 22px var(--gold-glow)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{
  background:transparent;border:1px solid var(--border-strong);color:var(--text-primary)
}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-small{padding:9px 22px;font-size:.875rem;min-height:40px}
.btn-block{width:100%}
.site-header{
  position:sticky;top:12px;z-index:100;padding:0 24px
}
.site-header .container{padding:0;max-width:100%}
.nav-panel{
  max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:24px;
  background:rgba(18,22,29,.92);backdrop-filter:blur(12px);border-radius:var(--radius-panel);
  padding:12px 16px;border:1px solid var(--border-base);box-shadow:var(--shadow-card)
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px}
.brand-logo svg{width:36px;height:36px;flex-shrink:0}
.brand-name{font-size:1.0625rem;font-weight:700;white-space:nowrap;color:var(--text-primary)}
.brand-name em{font-style:normal;color:var(--gold)}
.nav-links{display:flex;gap:6px;flex:1;overflow-x:auto;scrollbar-width:none;padding:2px}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:12px;
  background:var(--bg-card);border:1px solid transparent;color:var(--text-secondary);
  font-size:.875rem;font-weight:500;white-space:nowrap;transition:all .3s var(--ease);min-height:44px;
  position:relative
}
.nav-link svg{width:18px;height:18px;stroke:currentColor;flex-shrink:0}
.nav-link:hover{color:var(--text-primary);transform:translateY(-2px);background:rgba(30,36,44,.85);border-color:var(--gold-border)}
.nav-link.active{color:var(--gold);border-color:var(--gold-border);background:rgba(198,161,91,.07)}
.nav-link.active::after{
  content:"";position:absolute;top:8px;left:8px;width:6px;height:6px;border-radius:50%;background:var(--gold)
}
.nav-cta{flex-shrink:0;margin-left:4px}
@media(max-width:1024px){
  .site-header{top:8px;padding:0 12px}
  .nav-panel{flex-wrap:wrap;gap:10px;padding:10px 12px}
  .nav-links{order:3;width:100%;flex:none;justify-content:flex-start}
  .nav-cta{margin-left:auto}
}
@media(max-width:640px){
  .brand-name{font-size:.9rem}
  .brand-logo svg{width:32px;height:32px}
  .nav-link{padding:8px 14px}
  .nav-cta{display:none}
}
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  background-size:cover;background-position:center;
  background-color:var(--bg-dark);
  overflow:hidden
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,14,20,.96) 0%,rgba(11,14,20,.72) 48%,rgba(11,14,20,.35) 100%);
  z-index:1
}
.hero::after{
  content:"";position:absolute;inset:0;animation:heroZoom 20s var(--ease) infinite alternate;z-index:0;
  background-size:cover;background-position:center;
}
.hero .container{position:relative;z-index:2;padding-top:80px;padding-bottom:80px}
@keyframes heroZoom{
  0%{transform:scale(1)}
  100%{transform:scale(1.05)}
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(198,161,91,.1);
  border:1px solid var(--gold-border);color:var(--gold);border-radius:100px;
  padding:6px 18px;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:24px;font-family:Inter,sans-serif;
}
.hero h1{
  font-size:clamp(2.5rem,6vw,4.75rem);font-weight:800;line-height:1.1;margin-bottom:20px;
  color:var(--text-primary);letter-spacing:.01em;max-width:780px
}
.hero-sub{
  font-size:clamp(1rem,1.5vw,1.25rem);color:var(--text-secondary);max-width:620px;
  line-height:1.7;margin-bottom:32px
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-metrics{
  display:flex;gap:0;border-top:1px solid var(--border-base);padding-top:24px;max-width:680px;flex-wrap:wrap
}
.metric{flex:1;min-width:120px;padding-right:24px}
.metric strong{
  display:block;font-size:1.25rem;font-weight:800;color:var(--gold);font-family:Inter,"Noto Sans SC",sans-serif;
  font-variant-numeric:tabular-nums;line-height:1.3;margin-bottom:4px
}
.metric span{font-size:.8125rem;color:var(--text-secondary)}
@media(max-width:768px){
  .hero{min-height:auto;text-align:center}
  .hero::before{background:rgba(11,14,20,.7)}
  .hero .container{padding-top:80px;padding-bottom:48px}
  .hero-actions{justify-content:center}
  .hero-metrics{justify-content:center}
  .metric{min-width:45%}
  .hero-tag{margin-left:auto;margin-right:auto}
  .hero h1{font-size:clamp(2rem,7vw,3rem)}
  .hero-sub{margin-left:auto;margin-right:auto}
}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  background:var(--bg-card);border:1px solid var(--border-base);border-radius:var(--radius-panel);
  padding:32px;box-shadow:var(--shadow-card);transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
  margin-bottom:32px
}
.feature-row:hover{border-color:var(--gold-border);box-shadow:var(--shadow-hover)}
.feature-row.reversed .feature-media{order:2}
.feature-media{
  border-radius:var(--radius-card);overflow:hidden;background:var(--bg-panel);
  min-height:260px;position:relative
}
.feature-media img{
  width:100%;height:100%;object-fit:cover;position:absolute;inset:0;
  transition:transform .5s var(--ease)
}
.feature-row:hover .feature-media img{transform:scale(1.03)}
.feature-content{padding:8px 0}
.feature-content .badge{
  display:inline-block;background:rgba(198,161,91,.12);border:1px solid var(--gold-border);
  color:var(--gold);font-size:.75rem;font-weight:700;border-radius:100px;padding:4px 14px;margin-bottom:16px
}
.feature-content h3{font-size:1.375rem;font-weight:800;line-height:1.3;margin-bottom:12px;color:var(--text-primary)}
.feature-content p{color:var(--text-secondary);font-size:.9375rem;margin-bottom:16px}
.feature-content ul{margin-bottom:20px}
.feature-content ul li{
  position:relative;padding-left:26px;color:var(--text-primary);font-size:.9375rem;margin-bottom:8px
}
.feature-content ul li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:700
}
@media(max-width:960px){
  .feature-row{grid-template-columns:1fr;gap:24px;padding:24px}
  .feature-row.reversed .feature-media{order:0}
  .feature-media{min-height:200px;position:relative;height:200px}
}
@media(max-width:520px){
  .feature-row{padding:16px}
  .feature-media{min-height:160px;height:160px}
  .feature-content h3{font-size:1.125rem}
}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative
}
.steps-grid::before{
  content:"";position:absolute;top:44px;left:12%;right:12%;
  height:1px;background:linear-gradient(90deg,transparent,var(--gold-border),transparent)
}
.step{
  background:var(--bg-card);border:1px solid var(--border-base);border-radius:var(--radius-card);
  padding:28px 22px;text-align:center;position:relative;transition:all .3s var(--ease);
  box-shadow:var(--shadow-card)
}
.step:hover{transform:translateY(-4px);border-color:var(--gold-border);box-shadow:var(--shadow-hover)}
.step-num{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--bg-panel);border:1px solid var(--gold-border);
  font-family:Inter,sans-serif;font-size:1rem;font-weight:700;color:var(--gold)
}
.step h3{font-size:1.0625rem;font-weight:700;margin-bottom:8px}
.step p{font-size:.8125rem;color:var(--text-secondary);line-height:1.6}
@media(max-width:960px){
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .steps-grid::before{display:none}
}
@media(max-width:520px){
  .steps-grid{grid-template-columns:1fr}
}
.faq-section .faq-list{max-width:900px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--border-base);background:transparent;transition:background .3s var(--ease);
  border-radius:4px
}
.faq-item:first-child{border-top:1px solid var(--border-base)}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:20px 8px;cursor:pointer;font-size:1rem;font-weight:500;color:var(--text-primary);
  list-style:none;min-height:60px
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;color:var(--gold);
  transition:all .35s var(--ease);font-size:1rem;font-weight:700
}
.faq-item[open] summary .faq-icon{background:var(--gold);color:#15100A;border-color:var(--gold);transform:rotate(45deg)}
.faq-item[open] summary{color:var(--gold)}
.faq-answer{padding:0 8px 22px;color:var(--text-secondary);font-size:.9375rem;line-height:1.8}
@media(max-width:520px){
  .faq-item summary{font-size:.9375rem;padding:18px 4px}
}
.cta-section{
  background:var(--bg-card);border:1px solid var(--gold-border);border-radius:24px;
  padding:72px 48px;text-align:center;position:relative;overflow:hidden
}
.cta-section::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,161,91,.12),transparent 70%);pointer-events:none
}
.cta-section .container{position:relative;z-index:1}
.cta-tag{
  display:inline-block;font-family:Inter,sans-serif;font-size:.75rem;letter-spacing:.08em;
  color:var(--gold);text-transform:uppercase;margin-bottom:16px;font-weight:700
}
.cta-section h2{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:800;line-height:1.2;margin-bottom:16px;color:var(--text-primary)}
.cta-section p{color:var(--text-secondary);max-width:560px;margin:0 auto 32px;font-size:1rem;line-height:1.75}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media(max-width:640px){
  .cta-section{padding:48px 20px;border-radius:18px}
  .cta-actions{flex-direction:column;max-width:320px;margin:0 auto}
  .cta-actions .btn{width:100%}
}
.site-footer{
  background:#080A0E;border-top:1px solid var(--border-base);margin-top:50px;padding:64px 0 0
}
.footer-top{
  display:grid;grid-template-columns:2.2fr 1fr 1.4fr 1.4fr;gap:40px;padding-bottom:40px
}
.footer-brand p{font-size:.875rem;color:var(--text-secondary);line-height:1.8;margin-top:16px}
.footer-column h4{
  font-size:.9375rem;font-weight:700;color:var(--text-primary);margin-bottom:18px;letter-spacing:.02em
}
.footer-column ul li{margin-bottom:10px}
.footer-column ul li a{color:var(--text-secondary);font-size:.875rem;transition:color .3s var(--ease)}
.footer-column ul li a:hover{color:var(--gold)}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;color:var(--text-secondary);font-size:.875rem;line-height:1.6
}
.footer-contact svg{width:18px;height:18px;stroke:var(--gold);flex-shrink:0;margin-top:3px}
.footer-bottom{
  border-top:1px solid var(--border-base);padding:24px 0;display:flex;justify-content:space-between;
  align-items:center;flex-wrap:wrap;gap:12px
}
.footer-copy{font-size:.8125rem;color:var(--text-disabled)}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{font-size:.8125rem;color:var(--text-secondary);transition:color .3s var(--ease)}
.footer-links a:hover{color:var(--gold)}
@media(max-width:960px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .site-footer{padding-top:48px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-links{justify-content:center;gap:16px}
}
.section-highlights .feature-row:last-child{margin-bottom:0}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}