/* roulang page: index */
:root{--c-primary:#0A1F3C;--c-primary-dark:#071426;--c-accent-blue:#2E6EA6;--c-gold:#C9A063;--c-gold-dark:#A8863D;--c-bg:#F6F3EC;--c-card:#FFFFFF;--c-text:#182233;--c-text-sub:#5B6472;--c-border:#E7E0D4;--c-success:#197A4C;--c-discount:#C0392B;--radius-lg:22px;--radius-md:14px;--shadow-sm:0 10px 30px rgba(10,31,60,0.08);--shadow-lg:0 14px 40px rgba(10,31,60,0.16);--section-space:72px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .3s}
button,input{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
main{overflow:hidden}
.section{padding:var(--section-space) 0}
@media(max-width:640px){.section{padding:48px 0}.container{padding:0 16px}}
h1,h2,h3{line-height:1.3;font-weight:700;color:var(--c-primary)}
h2{font-size:30px;margin-bottom:12px}
h3{font-size:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;transition:all .3s ease;border:1.5px solid transparent;cursor:pointer;gap:8px}
.btn-gold{background:linear-gradient(135deg,#D9B678 0%,#A8863D 100%);color:var(--c-primary);box-shadow:0 4px 16px rgba(201,160,99,0.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(201,160,99,0.35);opacity:.95}
.btn-outline{border-color:rgba(255,255,255,0.8);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,0.1);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:13px}
.btn:focus{outline:3px solid rgba(201,160,99,0.5);outline-offset:2px}
/* Topbar */
.topbar{background:var(--c-primary-dark);color:var(--c-gold);padding:8px 0;font-size:13px;text-align:center;position:relative}
.topbar .container{display:flex;align-items:center;justify-content:center;position:relative}
.topbar p{margin:0;display:flex;align-items:center;gap:6px}
.topbar i{font-size:12px}
.topbar-close{position:absolute;right:24px;background:none;border:none;color:var(--c-gold);cursor:pointer;font-size:14px;opacity:.7;padding:4px 8px;border-radius:50%}
.topbar-close:hover{opacity:1;background:rgba(255,255,255,0.08)}
/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:var(--c-primary);box-shadow:0 2px 12px rgba(0,0,0,0.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.site-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-shield{width:38px;height:38px;background:linear-gradient(135deg,#D9B678,#A8863D);border-radius:10px 10px 12px 12px;display:flex;align-items:center;justify-content:center;font-family:Georgia,"Times New Roman",serif;font-weight:700;color:var(--c-primary);font-size:14px;position:relative;box-shadow:0 2px 8px rgba(0,0,0,0.2)}
.logo-shield::before{content:'';position:absolute;top:-4px;left:50%;transform:translateX(-50%);width:12px;height:6px;background:#D9B678;border-radius:6px 6px 0 0}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-brand{font-size:18px;font-weight:700;color:var(--c-gold);letter-spacing:1px}
.logo-sub{font-size:11px;color:#fff;opacity:.9;letter-spacing:2px;font-weight:400}
.main-nav{display:flex;align-items:center;gap:24px}
.main-nav ul{display:flex;list-style:none;gap:28px;margin:0}
.main-nav ul li{margin:0}
.main-nav ul a{color:rgba(255,255,255,0.85);font-size:15px;font-weight:500;padding:6px 0;position:relative;display:inline-block}
.main-nav ul a:hover{color:var(--c-gold)}
.main-nav ul a.active{color:var(--c-gold)}
.main-nav ul a.active::after{content:'';position:absolute;bottom:-4px;left:0;width:100%;height:2px;background:var(--c-gold);border-radius:2px}
.nav-cta{margin-left:8px}
.hamburger{display:none;background:none;border:none;padding:10px;cursor:pointer;border-radius:8px}
.hamburger span{display:block;width:22px;height:2px;background:#fff;margin:4px 0;border-radius:2px;transition:all .3s}
.hamburger:hover{background:rgba(255,255,255,0.08)}
@media(max-width:640px){
.hamburger{display:block}
.main-nav{position:fixed;top:72px;left:0;width:100%;background:var(--c-primary-dark);flex-direction:column;padding:20px;gap:16px;display:none;box-shadow:0 8px 20px rgba(0,0,0,0.3);z-index:999}
.main-nav.open{display:flex}
.main-nav ul{flex-direction:column;gap:16px;width:100%}
.main-nav ul a{display:block;padding:8px 0;font-size:16px}
.nav-cta{width:100%;justify-content:center}
}
/* Hero */
.hero{position:relative;background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-dark) 55%,#101D33 100%);color:#fff;padding:72px 0 120px;overflow:hidden}
.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:.35;z-index:0}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(10,31,60,0.6),rgba(7,20,38,0.85));z-index:1}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:48px}
.hero-text{flex:1.2}
.hero-tag{display:inline-block;background:linear-gradient(135deg,#D9B678,#A8863D);color:var(--c-primary);font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;margin-bottom:20px;letter-spacing:1px}
.hero-text h1{font-size:48px;color:#fff;line-height:1.2;margin-bottom:16px;font-weight:700}
.hero-text p{font-size:18px;color:rgba(255,255,255,0.85);line-height:1.7;margin-bottom:28px;max-width:520px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{flex:0.8;position:relative;display:flex;justify-content:center}
.hero-visual img{width:100%;max-width:420px;border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,0.45);border:2px solid rgba(201,160,99,0.5);transform:rotate(2deg)}
.hero-visual::after{content:'';position:absolute;top:16px;left:16px;width:100%;height:100%;border:2px solid rgba(201,160,99,0.3);border-radius:20px;z-index:-1}
@media(max-width:1023px){
.hero{padding:48px 0 100px}
.hero-inner{flex-direction:column;gap:32px}
.hero-text h1{font-size:36px}
.hero-text p{font-size:16px}
.hero-visual img{max-width:340px}
}
@media(max-width:640px){
.hero{padding:32px 0 90px}
.hero-text h1{font-size:28px}
.hero-tag{font-size:11px}
.hero-ctas{flex-direction:column;width:100%}
.hero-ctas .btn{width:100%}
.hero-visual img{max-width:260px}
}
/* Data strip */
.data-strip{margin-top:-60px;position:relative;z-index:10}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border:1px solid rgba(201,160,99,0.4);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}
.data-item{text-align:center;padding:10px 8px;border-right:1px solid var(--c-border)}
.data-item:last-child{border-right:none}
.data-num{display:block;font-family:Georgia,"Times New Roman",serif;font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2}
.data-label{display:block;font-size:13px;color:var(--c-text-sub);margin-top:4px}
@media(max-width:768px){
.data-grid{grid-template-columns:repeat(2,1fr);gap:12px;padding:16px}
.data-item{border-right:none;border-bottom:1px solid var(--c-border);padding:8px}
.data-item:nth-last-child(-n+2){border-bottom:none}
.data-num{font-size:24px}
}
@media(max-width:640px){
.data-strip{margin-top:-50px}
.data-grid{grid-template-columns:repeat(2,1fr);padding:14px}
.data-num{font-size:20px}
.data-label{font-size:12px}
}
/* Section header */
.section-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:12px}
.section-header h2{font-size:30px;position:relative;padding-left:16px}
.section-header h2::before{content:'';position:absolute;left:0;top:8px;width:4px;height:22px;background:linear-gradient(180deg,#D9B678,#A8863D);border-radius:2px}
.section-link{color:var(--c-gold-dark);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .3s}
.section-link:hover{gap:10px;color:var(--c-primary)}
.section-header.center{justify-content:center;text-align:center}
.section-header.center h2::before{display:none}
/* Products */
.products-section{background:var(--c-bg)}
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:var(--c-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;position:relative;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.product-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--c-border)}
.product-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .product-thumb img{transform:scale(1.05)}
.product-badge{position:absolute;top:12px;left:12px;background:linear-gradient(135deg,#D9B678,#A8863D);color:var(--c-primary);font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:1px;box-shadow:0 2px 8px rgba(0,0,0,0.15)}
.product-badge.hot{background:linear-gradient(135deg,#C0392B,#e74c3c);color:#fff}
.product-info{padding:20px;display:flex;flex-direction:column;flex:1}
.product-info h3{font-size:16px;margin-bottom:6px;color:var(--c-text)}
.product-info p{font-size:13px;color:var(--c-text-sub);margin-bottom:14px;line-height:1.6;flex:1}
.product-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}
.product-price{font-family:Georgia,"Times New Roman",serif;font-size:22px;font-weight:700;color:var(--c-gold-dark)}
@media(max-width:1023px){
.products-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:640px){
.products-grid{grid-template-columns:1fr;gap:16px}
.section-header{flex-direction:column;align-items:flex-start}
}
/* Category dual entry */
.category-dual{background:var(--c-primary-dark);padding:var(--section-space) 0}
.category-dual .section-header h2{color:#fff}
.category-dual .section-header h2::before{background:linear-gradient(180deg,#D9B678,#A8863D)}
.category-dual .section-link{color:var(--c-gold)}
.cat-entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cat-entry-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:220px;display:flex;align-items:flex-end;box-shadow:0 10px 30px rgba(0,0,0,0.3);transition:transform .3s,box-shadow .3s}
.cat-entry-card:hover{transform:translateY(-4px);box-shadow:0 16px 44px rgba(0,0,0,0.4)}
.cat-entry-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.6;transition:opacity .4s,transform .5s}
.cat-entry-card:hover img{opacity:.75;transform:scale(1.04)}
.cat-entry-body{position:relative;z-index:2;padding:28px;background:linear-gradient(to top,rgba(7,20,38,0.9),transparent);width:100%}
.cat-entry-body h3{color:#fff;font-size:22px;margin-bottom:6px}
.cat-entry-body p{color:rgba(255,255,255,0.85);font-size:14px;margin-bottom:10px}
.cat-entry-link{color:var(--c-gold);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.cat-entry-link:hover{gap:10px}
@media(max-width:768px){
.cat-entry-grid{grid-template-columns:1fr;gap:16px}
.cat-entry-card{min-height:180px}
}
@media(max-width:640px){
.cat-entry-body{padding:20px}
.cat-entry-body h3{font-size:18px}
}
/* Reviews carousel */
.reviews-section{background:var(--c-bg)}
.review-slide{padding:0 10px}
.review-card{background:var(--c-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:32px;text-align:center;max-width:640px;margin:0 auto;position:relative}
.review-card .quote-icon{font-size:32px;color:var(--c-gold);opacity:.5;margin-bottom:12px}
.review-card .stars{color:var(--c-gold);font-size:15px;margin-bottom:14px;letter-spacing:2px}
.review-card blockquote{font-size:16px;color:var(--c-text);line-height:1.8;font-style:italic;margin:0 0 20px;border:none;padding:0}
.review-author{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.review-author .name{font-weight:700;color:var(--c-primary)}
.review-author .city{color:var(--c-text-sub);font-size:13px}
.review-verified{display:inline-block;background:rgba(25,122,76,0.1);color:var(--c-success);font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;margin-top:8px}
.orbit-container{list-style:none;margin:0;padding:0}
.orbit-slide{padding:10px}
.orbit-bullets{margin-top:20px;text-align:center}
.orbit-bullets button{display:inline-block;width:10px;height:10px;border-radius:50%;background:rgba(201,160,99,0.4);border:none;margin:0 5px;cursor:pointer;transition:all .3s}
.orbit-bullets button.is-active{background:var(--c-gold);width:18px;border-radius:5px}
.orbit-controls button{position:absolute;top:50%;transform:translateY(-50%);z-index:5;background:rgba(10,31,60,0.7);border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .3s}
.orbit-controls button:hover{background:var(--c-gold);color:var(--c-primary)}
.orbit-controls .orbit-previous{left:-20px}
.orbit-controls .orbit-next{right:-20px}
@media(max-width:640px){
.orbit-controls .orbit-previous{left:0}
.orbit-controls .orbit-next{right:0}
.review-card{padding:24px 16px}
}
/* Guarantee bar */
.guarantee-section{background:var(--c-card);border-top:1px solid var(--c-border)}
.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guarantee-item{text-align:center;padding:24px 16px}
.guarantee-icon{width:56px;height:56px;border-radius:50%;background:var(--c-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 18px rgba(10,31,60,0.25)}
.guarantee-icon i{color:var(--c-gold);font-size:22px}
.guarantee-item h3{font-size:17px;margin-bottom:6px}
.guarantee-item p{font-size:14px;color:var(--c-text-sub);max-width:260px;margin:0 auto;line-height:1.7}
@media(max-width:640px){
.guarantee-grid{grid-template-columns:1fr;gap:8px}
.guarantee-item{padding:16px}
}
/* News list CMS */
.news-section{background:var(--c-bg)}
.news-list{display:flex;flex-direction:column;gap:24px}
.news-item{display:flex;gap:20px;background:var(--c-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;padding:16px;transition:box-shadow .3s,transform .3s}
.news-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.news-thumb{width:120px;height:90px;border-radius:var(--radius-md);overflow:hidden;flex-shrink:0;background:var(--c-border)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-content{flex:1;display:flex;flex-direction:column;justify-content:center;min-width:0}
.news-cat{display:inline-block;background:rgba(201,160,99,0.18);color:var(--c-gold-dark);font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;margin-bottom:8px;width:fit-content}
.news-content h3{font-size:17px;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-content h3 a:hover{color:var(--c-gold-dark)}
.news-content p{font-size:14px;color:var(--c-text-sub);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-sub)}
.news-meta a{color:var(--c-gold-dark);font-weight:600}
.news-meta a:hover{color:var(--c-primary)}
.empty-state{border:2px dashed var(--c-border);border-radius:var(--radius-lg);padding:48px;text-align:center;color:var(--c-text-sub);font-size:15px;background:rgba(255,255,255,0.6)}
@media(max-width:640px){
.news-item{flex-direction:column;gap:12px;padding:14px}
.news-thumb{width:100%;height:140px}
.news-content h3{white-space:normal;font-size:16px}
}
/* CTA banner */
.cta-banner{position:relative;background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-dark) 55%,#101D33 100%);padding:64px 0;text-align:center;overflow:hidden}
.cta-banner .container{position:relative;z-index:2}
.cta-banner h2{color:#fff;font-size:34px;margin-bottom:10px}
.cta-banner p{color:rgba(255,255,255,0.85);font-size:16px;margin-bottom:24px}
.cta-banner .btn{font-size:16px;height:52px;padding:0 36px}
@media(max-width:640px){
.cta-banner h2{font-size:24px}
.cta-banner p{font-size:14px}
}
/* FAQ */
.faq-section{background:var(--c-bg)}
.faq-list{max-width:800px;margin:0 auto}
.accordion-item{background:var(--c-card);border-radius:var(--radius-md);margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden;border-left:3px solid transparent;transition:border-color .3s,box-shadow .3s}
.accordion-item.is-active{border-left-color:var(--c-gold);box-shadow:var(--shadow-lg)}
.accordion-title{display:block;padding:18px 22px;font-weight:600;font-size:16px;color:var(--c-text);position:relative;cursor:pointer}
.accordion-title:hover{color:var(--c-gold-dark)}
.accordion-title::after{content:'+';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--c-gold);transition:transform .3s}
.accordion-item.is-active .accordion-title::after{content:'−'}
.accordion-content{padding:0 22px 18px;font-size:15px;color:var(--c-text-sub);line-height:1.8}
/* Footer */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,0.75);padding:56px 0 0;border-top:2px solid var(--c-gold)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .logo-shield{width:34px;height:34px}
.footer-brand .logo-brand{font-size:16px}
.footer-brand .logo-sub{font-size:10px;letter-spacing:1px}
.footer-desc{font-size:14px;line-height:1.7;margin-bottom:16px;max-width:280px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--c-gold);transition:background .3s}
.footer-social a:hover{background:var(--c-gold);color:var(--c-primary)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--c-gold);border-radius:1px}
.footer-col ul{list-style:none;margin:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{color:rgba(255,255,255,0.65);font-size:14px;transition:color .3s,padding-left .3s}
.footer-col ul a:hover{color:var(--c-gold);padding-left:4px}
.footer-contact{font-size:14px;line-height:2}
.footer-contact i{color:var(--c-gold);margin-right:6px;width:18px;text-align:center}
.newsletter-form{display:flex;gap:8px;margin-top:12px}
.newsletter-form input{flex:1;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,0.15);background:rgba(255,255,255,0.08);padding:0 16px;color:#fff;font-size:14px;outline:none;transition:border-color .3s}
.newsletter-form input::placeholder{color:rgba(255,255,255,0.4)}
.newsletter-form input:focus{border-color:var(--c-gold)}
.newsletter-form .btn{height:42px;padding:0 20px;font-size:13px}
.footer-bottom{background:rgba(0,0,0,0.3);padding:16px 0;text-align:center;font-size:13px;color:rgba(255,255,255,0.4)}
.footer-bottom span{margin:0 6px}
@media(max-width:1023px){
.footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:640px){
.footer-grid{grid-template-columns:1fr;gap:24px}
.newsletter-form{flex-direction:column}
.newsletter-form input{width:100%}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
  :root {
    --c-primary: #0A1F3C;
    --c-primary-dark: #071426;
    --c-accent-blue: #2E6EA6;
    --c-gold: #C9A063;
    --c-gold-dark: #A8863D;
    --c-gold-light: #D9B678;
    --c-bg: #F6F3EC;
    --c-card: #FFFFFF;
    --c-text: #182233;
    --c-text-sub: #5B6472;
    --c-border: #E7E0D4;
    --c-success: #197A4C;
    --c-discount: #C0392B;
    --gradient-dark: linear-gradient(135deg, #0A1F3C 0%, #071426 55%, #101D33 100%);
    --gradient-gold: linear-gradient(135deg, #D9B678 0%, #A8863D 100%);
    --radius-card: 22px;
    --radius-img: 14px;
    --radius-btn: 999px;
    --shadow-card: 0 10px 30px rgba(10,31,60,0.08);
    --shadow-card-hover: 0 14px 40px rgba(10,31,60,0.16);
    --shadow-gold: 0 8px 20px rgba(201,160,99,0.35);
    --space-section: 72px;
    --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: Georgia, "Times New Roman", serif;
  }

  /* ========== Reset / Base ========== */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body {
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.7;
    color: var(--c-text);
    background-color: var(--c-bg);
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; transition: color .25s ease; }
  ul { list-style: none; }
  button { font-family: inherit; cursor: pointer; }
  input { font-family: inherit; }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  .section { padding: 72px 0; }
  @media (max-width: 640px) {
    .section { padding: 48px 0; }
    .container { padding-left: 16px; padding-right: 16px; }
  }

  /* ========== 预顶部条 ========== */
  .topbar {
    background: var(--c-primary-dark);
    color: var(--c-gold);
    font-size: 13px;
    padding: 8px 0;
    position: relative;
    z-index: 200;
    border-bottom: 1px solid rgba(201,160,99,0.15);
  }
  .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
  }
  .topbar-inner a {
    color: var(--c-gold);
    font-weight: 600;
    border-bottom: 1px solid rgba(201,160,99,0.4);
    transition: border-color .2s;
  }
  .topbar-inner a:hover { border-color: transparent; }
  .topbar-close {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--c-gold);
    font-size: 18px;
    line-height: 1;
    opacity: .7;
    transition: opacity .2s;
  }
  .topbar-close:hover { opacity: 1; }

  /* ========== Header / Nav ========== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 150;
    background: var(--c-primary);
    box-shadow: 0 2px 24px rgba(0,0,0,0.25);
    border-bottom: 1px solid rgba(201,160,99,0.15);
    transition: box-shadow .3s ease;
  }
  .site-header.scrolled {
    box-shadow: 0 6px 30px rgba(0,0,0,0.35);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 16px;
    padding-top: 0;
    padding-bottom: 0;
    height: 72px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .logo-shield {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gradient-gold);
    color: var(--c-primary);
    font-family: var(--font-num);
    font-weight: 700;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -1px;
    box-shadow: 0 4px 12px rgba(201,160,99,0.4);
  }
  .logo-text { display: flex; flex-direction: column; line-height: 1.2; }
  .logo-brand {
    color: var(--c-gold) !important;
    font-weight: 700 !important;
    font-size: 20px;
    letter-spacing: 1px;
  }
  .logo-sub {
    font-size: 11px;
    color: rgba(255,255,255,0.9);
    letter-spacing: 2px;
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
  }
  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    background: transparent;
    list-style: none;
  }
  .main-nav ul li { margin: 0; }
  .main-nav ul li a {
    display: block;
    padding: 10px 16px;
    color: rgba(255,255,255,0.9);
    font-size: 15px;
    font-weight: 500;
    border-radius: 999px;
    position: relative;
    transition: color .25s, background .25s;
  }
  .main-nav ul li a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 2px;
    background: var(--c-gold);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
  }
  .main-nav ul li a:hover,
  .main-nav ul li a.active {
    color: var(--c-gold);
    background: rgba(201,160,99,0.08);
  }
  .main-nav ul li a.active::after,
  .main-nav ul li a:hover::after {
    transform: scaleX(1);
  }
  .nav-cta {
    margin-left: 8px;
    font-size: 14px;
    padding: 0 22px !important;
    height: 40px;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
  }
  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(201,160,99,0.4);
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-gold);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
  }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ========== 按钮 ========== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    border: none;
    transition: all .3s ease;
    line-height: 1;
    white-space: nowrap;
  }
  .btn:focus-visible {
    outline: 3px solid rgba(201,160,99,0.5);
    outline-offset: 2px;
  }
  .btn-gold {
    background: var(--gradient-gold);
    color: var(--c-primary);
    box-shadow: 0 4px 16px rgba(201,160,99,0.25);
  }
  .btn-gold:hover {
    background: var(--c-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
    color: var(--c-primary);
  }
  .btn-gold:active {
    background: var(--c-gold-dark);
    transform: translateY(0);
  }
  .btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.7);
  }
  .btn-outline:hover {
    background: rgba(201,160,99,0.15);
    border-color: var(--c-gold);
    color: var(--c-gold);
  }
  .btn-sm {
    height: 38px;
    padding: 0 18px;
    font-size: 13px;
  }

  /* ========== Hero ========== */
  .page-hero {
    position: relative;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    padding: 100px 0 130px;
    overflow: hidden;
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(7,20,38,0.88) 0%, rgba(10,31,60,0.72) 50%, rgba(7,20,38,0.85) 100%);
  }
  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
  }
  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201,160,99,0.15);
    border: 1px solid rgba(201,160,99,0.5);
    color: var(--c-gold);
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 24px;
  }
  .page-hero h1 {
    color: #fff;
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 1px;
  }
  .page-hero h1 .hero-cat {
    display: block;
    color: var(--c-gold);
    font-size: 30px;
    font-weight: 600;
    margin-top: 10px;
    letter-spacing: 8px;
    text-transform: uppercase;
  }
  .hero-tagline {
    color: rgba(255,255,255,0.85);
    font-size: 18px;
    line-height: 1.75;
    max-width: 640px;
    margin-bottom: 36px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  /* ========== 区块标题 ========== */
  .section-head {
    margin-bottom: 40px;
  }
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--c-gold-dark);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .section-tag::before {
    content: "";
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-gold);
  }
  .section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.3;
    margin: 0;
  }
  .section-title .gold {
    color: var(--c-gold-dark);
  }
  .section-sub {
    color: var(--c-text-sub);
    font-size: 16px;
    margin-top: 10px;
    max-width: 680px;
  }
  @media (max-width: 640px) {
    .section-title { font-size: 24px; }
    .page-hero { padding: 60px 0 90px; }
    .page-hero h1 { font-size: 30px; }
    .page-hero h1 .hero-cat { font-size: 22px; }
    .hero-tagline { font-size: 16px; }
  }

  /* ========== 图文物块 ========== */
  .split-block {
    background: var(--c-bg);
  }
  .split-grid {
    display: flex;
    align-items: center;
    gap: 64px;
  }
  .split-img {
    flex: 0 0 48%;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
  }
  .split-img img {
    width: 100%;
    height: 420px;
    object-fit: cover;
  }
  .split-img::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid rgba(201,160,99,0.3);
    border-radius: var(--radius-card);
    pointer-events: none;
  }
  .split-content {
    flex: 1;
  }
  .split-content .section-title {
    margin-bottom: 18px;
  }
  .split-content p {
    color: var(--c-text-sub);
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 24px;
  }
  .split-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .split-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--c-text);
  }
  .split-list li i {
    color: var(--c-gold-dark);
    font-size: 18px;
    margin-top: 3px;
    flex-shrink: 0;
  }
  @media (max-width: 768px) {
    .split-grid {
      flex-direction: column;
      gap: 32px;
    }
    .split-img { flex: 0 0 100%; }
    .split-img img { height: 280px; }
  }

  /* ========== 装备矩阵 ========== */
  .matrix-section {
    background: var(--c-card);
  }
  .matrix-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .matrix-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-card);
    padding: 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    box-shadow: var(--shadow-card);
    transition: transform .35s ease, box-shadow .35s ease;
  }
  .matrix-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(201,160,99,0.4);
  }
  .matrix-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--gradient-dark);
    color: var(--c-gold);
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .matrix-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 6px;
  }
  .matrix-card h3 small {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--c-gold-dark);
    margin-top: 4px;
  }
  .matrix-card p {
    font-size: 14px;
    color: var(--c-text-sub);
    line-height: 1.7;
    margin: 0;
  }
  @media (max-width: 768px) {
    .matrix-grid { grid-template-columns: 1fr; }
  }

  /* ========== 图文交错区 ========== */
  .compare-block {
    background: var(--c-bg);
  }
  .guide-block {
    background: var(--c-card);
  }
  .compare-grid {
    display: flex;
    align-items: center;
    gap: 64px;
  }
  .compare-grid.reverse {
    flex-direction: row-reverse;
  }
  .compare-img {
    flex: 0 0 46%;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
  }
  .compare-img img {
    width: 100%;
    height: 380px;
    object-fit: cover;
  }
  .compare-content {
    flex: 1;
  }
  .compare-content .section-title {
    margin-bottom: 18px;
  }
  .compare-content p {
    color: var(--c-text-sub);
    line-height: 1.85;
    margin-bottom: 20px;
  }
  .compare-content ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
  }
  .compare-content ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
  }
  .compare-content ul li::before {
    content: "✓";
    display: block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(201,160,99,0.15);
    color: var(--c-gold-dark);
    font-size: 12px;
    font-weight: 700;
    line-height: 20px;
    text-align: center;
    flex-shrink: 0;
    margin-top: 3px;
  }
  @media (max-width: 768px) {
    .compare-grid, .compare-grid.reverse {
      flex-direction: column;
      gap: 32px;
    }
    .compare-img { flex: 0 0 100%; }
    .compare-img img { height: 260px; }
  }

  /* ========== 步骤条 ========== */
  .steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 8px;
  }
  .step-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--c-bg);
    border-radius: 16px;
    padding: 18px 20px;
    border: 1px solid var(--c-border);
    transition: border-color .3s, box-shadow .3s;
  }
  .step-item:hover {
    border-color: rgba(201,160,99,0.5);
    box-shadow: var(--shadow-card);
  }
  .step-num {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: var(--gradient-gold);
    color: var(--c-primary);
    font-family: var(--font-num);
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .step-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 4px;
  }
  .step-item p {
    font-size: 14px;
    color: var(--c-text-sub);
    line-height: 1.7;
    margin: 0;
  }

  /* ========== 保障条 ========== */
  .guarantee-section {
    background: var(--c-primary);
    position: relative;
    overflow: hidden;
  }
  .guarantee-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
  }
  .guarantee-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
  .guarantee-item {
    text-align: center;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(201,160,99,0.2);
    border-radius: var(--radius-card);
    padding: 36px 24px;
    transition: border-color .3s, transform .3s;
  }
  .guarantee-item:hover {
    border-color: rgba(201,160,99,0.5);
    transform: translateY(-4px);
  }
  .guarantee-icon {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: rgba(201,160,99,0.12);
    border: 1px solid rgba(201,160,99,0.3);
    color: var(--c-gold);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
  }
  .guarantee-item h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .guarantee-item p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
  }
  @media (max-width: 768px) {
    .guarantee-grid { grid-template-columns: 1fr; gap: 20px; }
  }

  /* ========== CTA 横幅 ========== */
  .cta-banner {
    position: relative;
    background: var(--gradient-dark);
    padding: 80px 0;
    text-align: center;
    overflow: hidden;
  }
  .cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
  }
  .cta-content {
    position: relative;
    z-index: 2;
  }
  .cta-content h2 {
    color: #fff;
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 12px;
  }
  .cta-content p {
    color: rgba(255,255,255,0.8);
    font-size: 16px;
    margin-bottom: 28px;
  }
  .cta-content .btn-gold {
    height: 52px;
    padding: 0 40px;
    font-size: 16px;
  }
  @media (max-width: 640px) {
    .cta-content h2 { font-size: 24px; }
    .cta-banner { padding: 56px 0; }
  }

  /* ========== FAQ ========== */
  .faq-section {
    background: var(--c-bg);
  }
  .faq-wrap {
    max-width: 840px;
    margin: 0 auto;
  }
  .accordion {
    background: transparent;
    margin: 0;
  }
  .accordion-item {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: 18px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow .3s, border-color .3s;
  }
  .accordion-item:hover {
    box-shadow: var(--shadow-card);
  }
  .accordion-item.is-active {
    border-color: rgba(201,160,99,0.6);
    box-shadow: var(--shadow-card);
  }
  .accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 600;
    color: var(--c-primary);
    padding: 20px 24px;
    background: transparent;
    border: none;
    position: relative;
  }
  .accordion-title:hover,
  .accordion-title:focus {
    background: rgba(201,160,99,0.05);
    color: var(--c-primary);
  }
  .accordion-title::before {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    color: var(--c-gold-dark);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(201,160,99,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .3s;
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
  }
  .accordion-item.is-active .accordion-title::before {
    transform: translateY(-50%) rotate(180deg);
  }
  .accordion-content {
    padding: 0 24px 22px;
    color: var(--c-text-sub);
    font-size: 15px;
    line-height: 1.85;
    background: transparent;
    border: none;
  }
  .accordion-content p { margin: 0; }

  /* ========== Footer ========== */
  .site-footer {
    background: var(--c-primary-dark);
    border-top: 2px solid var(--c-gold);
    color: rgba(255,255,255,0.8);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
    padding: 60px 0 48px;
  }
  .footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }
  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-bottom: 20px;
  }
  .footer-social {
    display: flex;
    gap: 12px;
  }
  .footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.8);
    font-size: 16px;
    transition: all .3s;
  }
  .footer-social a:hover {
    border-color: var(--c-gold);
    color: var(--c-gold);
    transform: translateY(-2px);
  }
  .footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
  }
  .footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--c-gold);
    border-radius: 2px;
  }
  .footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-col ul a {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    transition: color .3s;
  }
  .footer-col ul a:hover {
    color: var(--c-gold);
    padding-left: 4px;
  }
  .footer-contact {
    margin-bottom: 20px;
  }
  .footer-contact p {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.7);
  }
  .footer-contact i {
    color: var(--c-gold);
    width: 16px;
  }
  .newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 6px;
  }
  .newsletter-form input[type="email"] {
    flex: 1;
    height: 44px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.08);
    padding: 0 18px;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color .3s, background .3s;
  }
  .newsletter-form input[type="email"]::placeholder {
    color: rgba(255,255,255,0.45);
  }
  .newsletter-form input[type="email"]:focus {
    border-color: var(--c-gold);
    background: rgba(255,255,255,0.12);
  }
  .newsletter-form .btn {
    height: 44px;
    padding: 0 22px;
    font-size: 14px;
    flex-shrink: 0;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    text-align: center;
  }
  .footer-bottom span {
    margin: 0 10px;
    color: rgba(255,255,255,0.3);
  }
  @media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  }
  @media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
    .newsletter-form { flex-direction: column; }
  }

  /* ========== 响应式导航 ========== */
  @media (max-width: 900px) {
    .menu-toggle { display: flex; }
    .main-nav {
      position: absolute;
      top: 72px;
      left: 0;
      right: 0;
      background: var(--c-primary);
      border-bottom: 1px solid rgba(201,160,99,0.2);
      flex-direction: column;
      align-items: stretch;
      padding: 16px 24px 24px;
      display: none;
      box-shadow: 0 20px 30px rgba(0,0,0,0.3);
    }
    .main-nav.open { display: flex; }
    .main-nav ul {
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
      width: 100%;
    }
    .main-nav ul li a {
      padding: 14px 16px;
      border-radius: 12px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .main-nav ul li a::after { display: none; }
    .nav-cta {
      margin: 16px 0 0;
      width: 100%;
      justify-content: center;
    }
    .header-inner { height: 72px; }
  }
  @media (max-width: 420px) {
    .logo-brand { font-size: 17px; }
    .logo-sub { font-size: 9px; letter-spacing: 1px; }
    .logo-shield { width: 36px; height: 36px; font-size: 15px; }
  }

  /* ========== 通用辅助 ========== */
  .text-center { text-align: center; }
  .mt-0 { margin-top: 0; }
  .mb-0 { margin-bottom: 0; }
  .gold-line {
    display: block;
    width: 42px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 3px;
    margin-bottom: 14px;
  }
  .section-head.center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .section-head.center .section-tag::before {
    display: none;
  }
  .section-head.center .gold-line {
    margin-left: auto;
    margin-right: auto;
  }

/* roulang page: article */
/* ========== 设计变量 ========== */
    :root {
      --c-primary: #0A1F3C;
      --c-primary-dark: #071426;
      --c-accent-blue: #2E6EA6;
      --c-gold: #C9A063;
      --c-gold-dark: #A8863D;
      --c-bg: #F6F3EC;
      --c-card: #FFFFFF;
      --c-text: #182233;
      --c-text-sub: #5B6472;
      --c-border: #E7E0D4;
      --c-success: #197A4C;
      --c-discount: #C0392B;
      --radius-card: 22px;
      --radius-img: 14px;
      --radius-btn: 999px;
      --shadow-card: 0 10px 30px rgba(10,31,60,0.08);
      --shadow-hover: 0 14px 40px rgba(10,31,60,0.16);
      --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-serif: Georgia, "Times New Roman", serif;
    }

    /* ========== 基础 Reset ========== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    html,
    body {
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.7;
      color: var(--c-text);
      background: #fff;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s;
    }
    ul,
    ol {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    button,
    input,
    textarea {
      font-family: inherit;
    }
    a:focus,
    button:focus,
    input:focus {
      outline: 3px solid rgba(201, 160, 99, 0.5);
      outline-offset: 2px;
    }

    /* ========== 容器 ========== */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 48px;
      padding: 0 28px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      transition: all .25s ease;
      text-decoration: none;
      line-height: 1;
      gap: 8px;
      white-space: nowrap;
    }
    .btn-gold {
      background: linear-gradient(135deg, #D9B678 0%, #A8863D 100%);
      color: var(--c-primary);
      box-shadow: 0 4px 14px rgba(201, 160, 99, 0.3);
    }
    .btn-gold:hover {
      color: var(--c-primary);
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(201, 160, 99, 0.38);
      filter: brightness(1.04);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--c-primary);
      color: var(--c-primary);
    }
    .btn-outline:hover {
      border-color: var(--c-gold-dark);
      color: var(--c-gold-dark);
      background: rgba(201, 160, 99, 0.08);
    }
    .btn-sm {
      height: 38px;
      padding: 0 22px;
      font-size: 13px;
    }

    /* ========== 全局 Header ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--c-primary);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 20px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .logo-shield {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, #D9B678, #A8863D);
      border-radius: 12px;
      color: var(--c-primary);
      font-weight: 800;
      font-size: 14px;
      font-family: var(--font-serif);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.22);
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }
    .logo-brand {
      font-size: 20px;
      font-weight: 700;
      color: var(--c-gold);
      letter-spacing: 0.5px;
    }
    .logo-sub {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.8);
      letter-spacing: 1.5px;
      margin-top: 2px;
    }

    /* ========== 导航 ========== */
    .main-nav {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-left: auto;
    }
    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .main-nav ul li a {
      color: rgba(255, 255, 255, 0.85);
      font-size: 15px;
      font-weight: 500;
      padding: 10px 14px;
      position: relative;
      display: inline-block;
      transition: color .25s;
    }
    .main-nav ul li a::after {
      content: '';
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 3px;
      height: 2px;
      background: var(--c-gold);
      border-radius: 2px;
      opacity: 0;
      transform: scaleX(0.4);
      transition: all .25s;
    }
    .main-nav ul li a:hover,
    .main-nav ul li a.active {
      color: var(--c-gold);
    }
    .main-nav ul li a.active::after {
      opacity: 1;
      transform: scaleX(1);
    }
    .nav-cta {
      height: 38px;
      padding: 0 20px;
      font-size: 13px;
      margin-left: 8px;
    }
    .nav-toggle {
      display: none;
      background: transparent;
      border: none;
      width: 44px;
      height: 44px;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 6px;
      cursor: pointer;
      padding: 0;
    }
    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: all .3s;
    }

    /* ========== 面包屑 ========== */
    .breadcrumb {
      background: #fff;
      padding: 14px 0;
      border-bottom: 1px solid var(--c-border);
      font-size: 13px;
      color: var(--c-text-sub);
    }
    .breadcrumb a:hover {
      color: var(--c-gold-dark);
    }
    .breadcrumb .sep {
      color: #B9B4A8;
      margin: 0 6px;
    }
    .breadcrumb .current {
      color: var(--c-text);
      font-weight: 500;
      max-width: 380px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      vertical-align: bottom;
      display: inline-block;
    }

    /* ========== 文章标题区 ========== */
    .article-header {
      background: linear-gradient(135deg, #0A1F3C 0%, #071426 55%, #101D33 100%);
      padding: 48px 0 44px;
      border-bottom: 4px solid var(--c-gold);
    }
    .article-header-inner {
      max-width: 860px;
      margin: 0 auto;
    }
    .article-cat-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(201, 160, 99, 0.14);
      border: 1px solid rgba(201, 160, 99, 0.4);
      color: var(--c-gold);
      font-size: 13px;
      font-weight: 500;
      padding: 6px 18px;
      border-radius: 999px;
      margin-bottom: 20px;
    }
    .article-header h1 {
      font-size: 32px;
      line-height: 1.35;
      color: #fff;
      font-weight: 700;
      margin: 0 0 18px;
      letter-spacing: 0.3px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.7);
    }
    .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }
    .meta-item i {
      color: var(--c-gold);
      font-size: 13px;
    }
    .article-tags {
      margin-top: 22px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      background: rgba(201, 160, 99, 0.12);
      border: 1px solid rgba(201, 160, 99, 0.35);
      color: var(--c-gold);
      padding: 4px 14px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 500;
      line-height: 1.6;
    }

    /* ========== 正文内容区 ========== */
    .article-content {
      background: var(--c-bg);
      padding: 56px 0 64px;
    }
    .article-body-wrap {
      max-width: 860px;
      margin: 0 auto;
      background: var(--c-card);
      border-radius: 24px;
      padding: 48px 52px;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(231, 224, 212, 0.65);
    }
    .article-body {
      font-size: 16px;
      line-height: 1.85;
      color: var(--c-text);
    }
    .article-body p {
      margin-bottom: 1.4em;
    }
    .article-body h2 {
      font-size: 22px;
      font-weight: 700;
      color: var(--c-primary);
      margin: 2em 0 0.8em;
      padding-left: 14px;
      border-left: 4px solid var(--c-gold);
      line-height: 1.4;
    }
    .article-body h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--c-primary);
      margin: 1.8em 0 0.7em;
    }
    .article-body img {
      max-width: 100%;
      border-radius: var(--radius-img);
      margin: 1.5em auto;
      box-shadow: 0 8px 24px rgba(10, 31, 60, 0.08);
    }
    .article-body blockquote {
      border-left: 4px solid var(--c-gold);
      background: #FAF6EE;
      padding: 16px 22px;
      margin: 1.6em 0;
      border-radius: 0 14px 14px 0;
      color: var(--c-text-sub);
      font-style: italic;
    }
    .article-body ul,
    .article-body ol {
      padding-left: 1.5em;
      margin-bottom: 1.4em;
    }
    .article-body ul li {
      list-style: disc;
      margin-bottom: 0.5em;
    }
    .article-body ol li {
      list-style: decimal;
      margin-bottom: 0.5em;
    }
    .article-body a {
      color: var(--c-gold-dark);
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .article-body a:hover {
      color: var(--c-primary);
    }
    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5em 0;
      font-size: 14px;
    }
    .article-body th,
    .article-body td {
      border: 1px solid var(--c-border);
      padding: 10px 14px;
      text-align: left;
    }
    .article-body th {
      background: var(--c-primary);
      color: #fff;
      font-weight: 600;
    }
    .article-body tr:nth-child(even) td {
      background: #F9F7F2;
    }
    .article-body figure {
      margin: 1.5em 0;
    }
    .article-body figcaption {
      font-size: 13px;
      color: var(--c-text-sub);
      text-align: center;
      margin-top: 8px;
    }

    /* ========== 未找到 ========== */
    .not-found {
      text-align: center;
      padding: 60px 20px;
    }
    .nf-icon {
      font-size: 56px;
      color: var(--c-gold);
      margin-bottom: 16px;
      opacity: 0.6;
    }
    .not-found h2 {
      font-size: 24px;
      color: var(--c-primary);
      margin-bottom: 24px;
    }

    /* ========== 文章底部工具条 ========== */
    .article-toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 40px;
      padding-top: 26px;
      border-top: 1px solid var(--c-border);
      flex-wrap: wrap;
      gap: 16px;
    }
    .share-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .share-btns span {
      font-size: 13px;
      color: var(--c-text-sub);
      margin-right: 2px;
    }
    .share-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--c-primary);
      color: #fff;
      font-size: 15px;
      transition: all .25s;
      box-shadow: 0 3px 8px rgba(10, 31, 60, 0.12);
    }
    .share-btn:hover {
      background: var(--c-gold);
      color: var(--c-primary);
      transform: translateY(-2px);
    }

    /* ========== 相关推荐 ========== */
    .related-section {
      padding: 64px 0 80px;
      background: #fff;
    }
    .section-head {
      text-align: center;
      margin-bottom: 40px;
    }
    .section-head h2 {
      font-size: 28px;
      font-weight: 700;
      color: var(--c-primary);
      margin: 0;
    }
    .section-head h2::after {
      content: '';
      display: block;
      width: 48px;
      height: 3px;
      background: linear-gradient(90deg, var(--c-gold), var(--c-gold-dark));
      margin: 12px auto 0;
      border-radius: 3px;
    }
    .section-head p {
      color: var(--c-text-sub);
      font-size: 15px;
      margin-top: 10px;
    }
    .related-grid {
      margin-left: -12px;
      margin-right: -12px;
      margin-top: 0;
    }
    .related-grid > .cell {
      padding-left: 12px;
      padding-right: 12px;
      margin-bottom: 24px;
    }
    .related-card {
      height: 100%;
      background: var(--c-bg);
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--c-border);
      box-shadow: 0 6px 18px rgba(10, 31, 60, 0.05);
      transition: all .3s ease;
    }
    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(201, 160, 99, 0.45);
    }
    .related-link {
      display: flex;
      align-items: stretch;
      height: 100%;
    }
    .related-thumb {
      width: 42%;
      min-height: 150px;
      overflow: hidden;
      flex-shrink: 0;
    }
    .related-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .related-card:hover .related-thumb img {
      transform: scale(1.05);
    }
    .related-info {
      flex: 1;
      padding: 18px 18px 16px;
      display: flex;
      flex-direction: column;
    }
    .related-info .tag {
      align-self: flex-start;
      margin-bottom: 10px;
    }
    .related-info h3 {
      font-size: 15px;
      font-weight: 600;
      color: var(--c-primary);
      line-height: 1.45;
      margin-bottom: 8px;
    }
    .related-info p {
      font-size: 13px;
      color: var(--c-text-sub);
      line-height: 1.6;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .read-more {
      margin-top: auto;
      font-size: 13px;
      color: var(--c-gold-dark);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap .25s;
    }
    .related-card:hover .read-more {
      gap: 10px;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--c-primary-dark);
      color: rgba(255, 255, 255, 0.8);
      border-top: 3px solid var(--c-gold);
      font-size: 14px;
    }
    .site-footer .container {
      padding-top: 56px;
      padding-bottom: 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .footer-desc {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.7;
      max-width: 320px;
      margin-bottom: 0;
    }
    .footer-social {
      display: flex;
      gap: 10px;
      margin-top: 18px;
    }
    .footer-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 14px;
      transition: all .25s;
    }
    .footer-social a:hover {
      background: var(--c-gold);
      color: var(--c-primary);
    }
    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 13px;
      transition: color .25s;
    }
    .footer-col ul li a:hover {
      color: var(--c-gold);
    }
    .footer-contact p {
      margin-bottom: 8px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-contact i {
      color: var(--c-gold);
      width: 16px;
      font-size: 13px;
    }
    .newsletter-form {
      display: flex;
      gap: 8px;
      margin-top: 12px;
    }
    .newsletter-form input {
      flex: 1;
      height: 42px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
      padding: 0 18px;
      font-size: 13px;
      outline: none;
      transition: all .25s;
      min-width: 0;
    }
    .newsletter-form input::placeholder {
      color: rgba(255, 255, 255, 0.4);
    }
    .newsletter-form input:focus {
      border-color: var(--c-gold);
      box-shadow: 0 0 0 3px rgba(201, 160, 99, 0.2);
    }
    .newsletter-form .btn {
      flex-shrink: 0;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }
    .footer-bottom span {
      margin: 0 10px;
      color: rgba(255, 255, 255, 0.25);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }
    @media (max-width: 820px) {
      .header-inner {
        height: 64px;
      }
      .nav-toggle {
        display: flex;
      }
      .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--c-primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 24px 28px;
        display: none;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
        z-index: 999;
        gap: 18px;
      }
      .main-nav.open {
        display: flex;
      }
      .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
      }
      .main-nav ul li a {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 16px;
      }
      .main-nav ul li a::after {
        left: 0;
        right: auto;
        width: 24px;
      }
      .nav-cta {
        margin-left: 0;
        width: 100%;
        height: 44px;
      }
      .article-header {
        padding: 36px 0 32px;
      }
      .article-header h1 {
        font-size: 25px;
      }
      .article-body-wrap {
        padding: 30px 22px;
        border-radius: 18px;
      }
      .article-body {
        font-size: 15px;
        line-height: 1.8;
      }
      .related-section {
        padding: 48px 0 64px;
      }
      .section-head h2 {
        font-size: 24px;
      }
    }
    @media (max-width: 640px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .site-footer .container {
        padding-top: 40px;
        padding-bottom: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .related-grid > .cell {
        margin-bottom: 18px;
      }
      .related-link {
        flex-direction: column;
      }
      .related-thumb {
        width: 100%;
        min-height: 170px;
      }
      .related-info {
        padding: 16px 18px 18px;
      }
      .article-toolbar {
        flex-direction: column;
        align-items: flex-start;
      }
      .share-btns {
        width: 100%;
        justify-content: flex-start;
      }
      .newsletter-form {
        flex-direction: column;
      }
      .newsletter-form .btn {
        width: 100%;
      }
      .article-meta {
        gap: 12px;
      }
      .breadcrumb .current {
        max-width: 180px;
      }
    }

/* roulang page: category2 */
:root {
  --c-primary: #0A1F3C;
  --c-primary-dark: #071426;
  --c-accent-blue: #2E6EA6;
  --c-gold: #C9A063;
  --c-gold-dark: #A8863D;
  --c-bg: #F6F3EC;
  --c-card: #FFFFFF;
  --c-text: #182233;
  --c-text-sub: #5B6472;
  --c-border: #E7E0D4;
  --c-success: #197A4C;
  --c-discount: #C0392B;
  --radius-card: 22px;
  --radius-img: 14px;
  --radius-btn: 999px;
  --shadow-card: 0 10px 30px rgba(10,31,60,0.08);
  --shadow-card-hover: 0 14px 40px rgba(10,31,60,0.16);
  --shadow-btn: 0 8px 20px rgba(201,160,99,0.35);
  --space-section: 72px;
  --space-section-mobile: 48px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding: var(--space-section) 0;
}

/* ===== 预顶部信息条 ===== */
.topbar {
  background: var(--c-primary-dark);
  color: var(--c-gold);
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(201,160,99,0.15);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar-inner i {
  margin-right: 6px;
  font-size: 12px;
}

.topbar-mobile-hide {
  color: rgba(255,255,255,0.65);
}

/* ===== 全局 Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-primary);
  height: 72px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(7,20,38,0.3);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(7,20,38,0.45);
}

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

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

.logo-shield {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #D9B678 0%, #A8863D 100%);
  color: #0A1F3C;
  font-weight: 800;
  font-size: 17px;
  font-family: Georgia, "Times New Roman", serif;
  box-shadow: 0 4px 12px rgba(201,160,99,0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-brand {
  color: var(--c-gold);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
}

.logo-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 1px;
}

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

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.main-nav ul li a {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 2px;
  position: relative;
  transition: color 0.25s ease;
}

.main-nav ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  border-radius: 2px;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
  color: var(--c-gold);
}

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

.nav-cta {
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.btn-gold {
  background: linear-gradient(135deg, #D9B678 0%, var(--c-gold) 50%, var(--c-gold-dark) 100%);
  color: var(--c-primary);
  box-shadow: 0 4px 12px rgba(201,160,99,0.25);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn);
  filter: brightness(1.05);
}

.btn-gold:active {
  transform: translateY(0);
  filter: brightness(0.96);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(201,160,99,0.12);
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.btn-dark {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

.btn-dark:hover {
  background: var(--c-primary-dark);
  box-shadow: 0 8px 20px rgba(10,31,60,0.3);
  transform: translateY(-2px);
}

.btn-lg {
  height: 54px;
  padding: 0 40px;
  font-size: 16px;
}

.btn-sm {
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

.btn:focus-visible {
  outline: 3px solid rgba(201,160,99,0.5);
  outline-offset: 2px;
}

/* ===== 页面 Hero ===== */
.page-hero {
  position: relative;
  background-color: var(--c-primary-dark);
  background-size: cover;
  background-position: center;
  padding: 120px 0 96px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10,31,60,0.92) 0%, rgba(7,20,38,0.78) 60%, rgba(16,29,51,0.6) 100%);
  z-index: 1;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,160,99,0.15);
  border: 1px solid rgba(201,160,99,0.4);
  color: var(--c-gold);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero-tag i {
  font-size: 13px;
}

.page-hero h1 {
  color: #fff;
  font-size: 52px;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.page-hero h1::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold), transparent);
  border-radius: 3px;
  margin: 18px auto 0;
}

.page-hero p {
  color: rgba(255,255,255,0.8);
  font-size: 18px;
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

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

/* ===== 面包屑 ===== */
.breadcrumb {
  position: relative;
  z-index: 2;
  padding: 14px 0;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: color 0.2s ease;
}

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

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

/* ===== 区块标题 ===== */
.section-head {
  margin-bottom: 48px;
}

.section-head.center {
  text-align: center;
}

.section-head.center .section-tag {
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-gold-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--c-gold);
  border-radius: 2px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--c-text-sub);
  font-size: 16px;
  max-width: 640px;
}

.section-head.center p {
  margin-left: auto;
  margin-right: auto;
}

/* ===== 图文物块 ===== */
.feature-intro {
  background: var(--c-bg);
}

.intro-image-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.intro-image-wrap img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.intro-image-wrap:hover img {
  transform: scale(1.03);
}

.intro-image-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, rgba(7,20,38,0.3), transparent);
  pointer-events: none;
}

.intro-content {
  padding: 32px 24px 32px 48px;
}

.intro-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.4;
  margin-bottom: 18px;
}

.intro-content p {
  color: var(--c-text-sub);
  margin-bottom: 16px;
  line-height: 1.8;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-primary);
  font-weight: 600;
  margin-top: 8px;
  transition: gap 0.3s ease, color 0.3s ease;
}

.text-link i {
  transition: transform 0.3s ease;
}

.text-link:hover {
  color: var(--c-gold-dark);
  gap: 12px;
}

.text-link:hover i {
  transform: translateX(4px);
}

/* ===== 特色列表 ===== */
.features-list {
  background: var(--c-card);
}

.feature-item {
  background: var(--c-bg);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  height: 100%;
  border: 1px solid var(--c-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

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

.feature-item:hover::before {
  opacity: 1;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--c-primary);
  color: var(--c-gold);
  font-size: 20px;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(10,31,60,0.15);
}

.feature-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
}

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

/* ===== 图文交错区 ===== */
.showcase-section {
  background: var(--c-bg);
}

.showcase-row {
  margin-bottom: 72px;
  align-items: center;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

.showcase-img-wrap {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.showcase-img-wrap img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.showcase-img-wrap:hover img {
  transform: scale(1.04);
}

.showcase-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,31,60,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.showcase-content {
  padding: 24px 32px;
}

.showcase-content .section-tag {
  margin-bottom: 8px;
}

.showcase-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.4;
  margin-bottom: 16px;
}

.showcase-content p {
  color: var(--c-text-sub);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.showcase-content .btn {
  margin-top: 10px;
}

/* ===== 评价滚动 ===== */
.reviews-section {
  background: var(--c-card);
  overflow: hidden;
}

.review-scroller {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.review-scroller::-webkit-scrollbar {
  height: 6px;
}

.review-scroller::-webkit-scrollbar-track {
  background: var(--c-border);
  border-radius: 6px;
}

.review-scroller::-webkit-scrollbar-thumb {
  background: var(--c-gold);
  border-radius: 6px;
}

.review-card {
  flex: 0 0 calc(33.333% - 16px);
  max-width: calc(33.333% - 16px);
  scroll-snap-align: start;
  background: var(--c-bg);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  border: 1px solid var(--c-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--c-gold);
  font-size: 14px;
  margin-bottom: 14px;
}

.review-stars i {
  margin-right: 2px;
}

.review-card blockquote {
  font-size: 15px;
  color: var(--c-text);
  line-height: 1.8;
  margin: 0 0 20px;
  border: none;
  padding: 0;
}

.review-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--c-border);
  padding-top: 16px;
  font-size: 13px;
  color: var(--c-text-sub);
}

.review-meta .avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-primary);
  color: var(--c-gold);
  font-size: 13px;
  font-weight: 700;
  margin-right: 8px;
}

.review-meta .verified {
  color: var(--c-success);
  font-size: 12px;
}

.review-meta .verified i {
  margin-right: 4px;
}

/* ===== CTA 横幅 ===== */
.cta-section {
  position: relative;
  background: linear-gradient(135deg, #0A1F3C 0%, #071426 55%, #101D33 100%);
  padding: 80px 0;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

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

.cta-section h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  margin-bottom: 32px;
}

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

.accordion {
  max-width: 780px;
  margin: 0 auto;
  background: transparent;
}

.accordion-item {
  background: var(--c-card);
  border-radius: 16px !important;
  border: 1px solid var(--c-border);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.accordion-item:hover,
.accordion-item.is-active {
  border-color: rgba(201,160,99,0.5);
  box-shadow: var(--shadow-card);
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  padding: 20px 24px;
  background: transparent !important;
  border: none !important;
}

.accordion-title::before,
.accordion-title::after {
  display: none !important;
}

.accordion-title:hover {
  color: var(--c-gold-dark);
}

.accordion-title i {
  color: var(--c-gold);
  font-size: 14px;
  transition: transform 0.3s ease;
}

.accordion-item.is-active .accordion-title i {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 24px 20px;
  background: var(--c-card) !important;
  color: var(--c-text-sub);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-primary-dark);
  color: rgba(255,255,255,0.7);
  border-top: 2px solid var(--c-gold);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.65);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--c-gold);
  color: var(--c-primary);
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--c-gold);
  border-radius: 2px;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

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

.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--c-gold);
  width: 18px;
  text-align: center;
}

.newsletter-form {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.newsletter-form input[type="email"] {
  flex: 1;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.07);
  color: #fff;
  padding: 0 18px;
  font-size: 14px;
  min-width: 0;
}

.newsletter-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.4);
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--c-gold);
  background: rgba(255,255,255,0.1);
}

.newsletter-form .btn {
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  text-align: center;
}

.footer-bottom .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-bottom span {
  color: rgba(255,255,255,0.2);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .review-card {
    flex: 0 0 calc(50% - 12px);
    max-width: calc(50% - 12px);
  }
  
  .intro-content {
    padding: 24px 0;
  }
  
  .showcase-content {
    padding: 24px 0;
  }
  
  .page-hero h1 {
    font-size: 40px;
  }
}

@media (max-width: 767px) {
  .site-header {
    height: 64px;
  }
  
  .hamburger {
    display: flex;
  }
  
  .main-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--c-primary);
    padding: 16px 24px 24px;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.4s ease;
    z-index: 99;
    box-shadow: 0 20px 30px rgba(7,20,38,0.3);
  }
  
  .main-nav.open {
    clip-path: inset(0 0 0 0);
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-bottom: 16px;
  }
  
  .main-nav ul li a {
    display: block;
    padding: 12px 8px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  
  .main-nav ul li a::after {
    display: none;
  }
  
  .main-nav ul li a.active {
    color: var(--c-gold);
    background: rgba(201,160,99,0.08);
    border-radius: 10px;
    padding-left: 12px;
  }
  
  .nav-cta {
    width: 100%;
    margin-top: 8px;
  }
  
  .page-hero {
    padding: 80px 0 64px;
  }
  
  .page-hero h1 {
    font-size: 32px;
  }
  
  .page-hero p {
    font-size: 16px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .topbar-mobile-hide {
    display: none;
  }
  
  .topbar-inner {
    justify-content: center;
  }
  
  .intro-image-wrap img,
  .showcase-img-wrap img {
    height: 260px;
  }
  
  .showcase-row {
    margin-bottom: 48px;
  }
  
  .review-card {
    flex: 0 0 280px;
    max-width: 280px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .cta-section {
    padding: 60px 0;
  }
  
  .cta-section h2 {
    font-size: 24px;
  }
  
  .cta-section .btn {
    width: 100%;
    max-width: 260px;
  }
  
  .section-pad {
    padding: var(--space-section-mobile) 0;
  }
  
  .section-head {
    margin-bottom: 32px;
  }
  
  .section-head h2 {
    font-size: 24px;
  }
  
  .feature-intro .grid-x,
  .showcase-section .grid-x {
    display: block;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .page-hero h1 {
    font-size: 28px;
    letter-spacing: 1px;
  }
  
  .feature-item {
    padding: 24px 20px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-form .btn {
    width: 100%;
  }
  
  .footer-bottom .container {
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 640px) {
  .feature-intro .grid-x,
  .showcase-section .grid-x {
    display: block;
  }
  
  .cell {
    width: 100% !important;
    margin-bottom: 24px;
  }
  
  .cell:last-child {
    margin-bottom: 0;
  }
}