/* roulang page: index */
:root{
--primary:#d97706;--primary-light:#f59e0b;--primary-lighter:#fef3c7;--primary-dark:#92400e;
--dark:#0f172a;--dark-light:#1e293b;--bg-warm:#f8f7f4;--white:#fff;
--text:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;
--border:#e2e8f0;--radius-lg:24px;--radius-md:16px;--radius-sm:10px;
--shadow-sm:0 2px 12px rgba(15,23,42,.06);--shadow-md:0 8px 30px rgba(15,23,42,.1);
--shadow-lg:0 20px 50px rgba(15,23,42,.14);--transition:all .3s cubic-bezier(.4,0,.2,1);
--nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'PingFang SC','HarmonicOS Sans','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg-warm);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
input,textarea,select{font-family:inherit}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:90px 0}
.section-alt{background:var(--white)}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:var(--primary-lighter);color:var(--primary-dark);font-size:13px;font-weight:600;padding:6px 18px;border-radius:100px;letter-spacing:1px;margin-bottom:16px}
.section-title{font-size:36px;font-weight:800;color:var(--dark);line-height:1.3;letter-spacing:-.5px;margin-bottom:12px}
.section-subtitle{font-size:16px;color:var(--text-muted);line-height:1.8}
/* Header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);border-bottom:1px solid rgba(226,232,240,.7)}
.site-header .navbar{min-height:var(--nav-h);padding:0}
.navbar-brand{display:flex;align-items:center;gap:12px;padding:0;font-weight:800}
.brand-badge{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:800;box-shadow:0 4px 12px rgba(217,119,6,.3);flex-shrink:0}
.brand-name{font-size:20px;color:var(--dark);letter-spacing:.5px;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.navbar-nav{gap:2px}
.nav-link{padding:10px 16px!important;font-size:15px;font-weight:500;color:var(--text)!important;border-radius:var(--radius-sm);position:relative;transition:var(--transition)}
.nav-link::after{content:'';position:absolute;left:16px;right:16px;bottom:5px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:var(--transition)}
.nav-link:hover{color:var(--primary)!important;background:rgba(245,158,11,.06)}
.nav-link.active{color:var(--primary)!important;font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{padding:9px 24px!important;border-radius:100px;font-weight:600;font-size:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border:none;box-shadow:0 4px 14px rgba(217,119,6,.3);transition:var(--transition)}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(217,119,6,.4);color:#fff!important}
.navbar-toggler{border:none;padding:6px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,41,59,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
/* Hero */
.hero{position:relative;padding:130px 0 150px;background:linear-gradient(120deg,rgba(15,23,42,.94),rgba(30,41,59,.7),rgba(217,119,6,.35)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden}
.hero::before{content:'';position:absolute;top:-120px;right:-120px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.25),transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-80px;left:-60px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.12),transparent 70%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,158,11,.18);border:1px solid rgba(245,158,11,.35);color:#fbbf24;font-size:13px;font-weight:600;padding:8px 20px;border-radius:100px;letter-spacing:2px;margin-bottom:28px;backdrop-filter:blur(8px)}
.hero-badge i{font-size:12px}
.hero-title{font-size:56px;font-weight:800;line-height:1.2;letter-spacing:-1px;margin-bottom:16px}
.hero-title .gradient{background:linear-gradient(90deg,#fbbf24,#f59e0b,#d97706);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:18px;color:rgba(255,255,255,.85);max-width:600px;line-height:1.8;margin-bottom:36px}
.hero-buttons{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.btn-hero{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:100px;font-size:15px;font-weight:600;transition:var(--transition);border:none}
.btn-hero-primary{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;box-shadow:0 6px 20px rgba(217,119,6,.4)}
.btn-hero-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(217,119,6,.5);color:#fff}
.btn-hero-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(8px)}
.btn-hero-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-3px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:42px}
.hero-tag{font-size:12px;color:rgba(255,255,255,.75);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:5px 14px;border-radius:100px}
/* Buttons */
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 30px;border-radius:100px;font-size:15px;font-weight:600;transition:var(--transition);border:none}
.btn-primary-brand{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 16px rgba(217,119,6,.3)}
.btn-primary-brand:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(217,119,6,.4);color:#fff}
.btn-outline-brand{background:transparent;color:var(--primary-dark);border:2px solid var(--primary);}
.btn-outline-brand:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light-brand{background:#fff;color:var(--primary-dark);box-shadow:var(--shadow-md)}
.btn-light-brand:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--primary-dark)}
/* Features */
.feature-card{background:var(--white);border-radius:var(--radius-md);padding:36px 30px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);height:100%;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary-light),var(--primary));transform:scaleX(0);transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--primary-lighter),#fde68a);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:22px}
.feature-card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:0}
/* Category cards */
.category-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--white);box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);height:100%;display:flex;flex-direction:column}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.category-image{position:relative;overflow:hidden;aspect-ratio:16/10}
.category-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.category-card:hover .category-image img{transform:scale(1.06)}
.category-image::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(15,23,42,.45),transparent 55%)}
.category-body{padding:26px 24px;display:flex;flex-direction:column;flex:1}
.category-body h3{font-size:19px;font-weight:700;color:var(--dark);margin-bottom:8px}
.category-body p{font-size:14px;color:var(--text-muted);line-height:1.7;flex:1}
.category-link{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary-dark)}
.category-link i{transition:transform .3s ease}
.category-link:hover{color:var(--primary)}
.category-link:hover i{transform:translateX(6px)}
/* News / Content list */
.news-card{display:block;background:var(--white);border-radius:var(--radius-md);padding:24px 26px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);margin-bottom:18px;position:relative;overflow:hidden}
.news-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);transform:scaleY(0);transition:var(--transition)}
.news-card:hover{transform:translateX(6px);box-shadow:var(--shadow-md)}
.news-card:hover::before{transform:scaleY(1)}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.news-badge{background:var(--primary-lighter);color:var(--primary-dark);font-size:12px;font-weight:600;padding:4px 14px;border-radius:100px}
.news-date{font-size:13px;color:var(--text-light)}
.news-card h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px;line-height:1.4}
.news-card h3:hover{color:var(--primary)}
.news-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:0}
/* Stats */
.stats-section{background:linear-gradient(135deg,var(--dark),var(--dark-light)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;position:relative;padding:80px 0;color:#fff}
.stats-section::before{content:'';position:absolute;inset:0;background:rgba(15,23,42,.88)}
.stats-section .container{position:relative;z-index:2}
.stat-item{text-align:center;padding:30px 20px}
.stat-icon{width:56px;height:56px;border-radius:16px;background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.3);color:#fbbf24;display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 18px}
.stat-number{font-size:42px;font-weight:800;color:#fff;letter-spacing:-1px;line-height:1.2}
.stat-number em{font-style:normal;color:#fbbf24}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:6px}
/* Process */
.process-card{text-align:center;padding:34px 26px;position:relative}
.step-number{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 6px 20px rgba(217,119,6,.3);position:relative;z-index:2}
.process-card h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.process-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
/* FAQ */
.faq-wrapper{max-width:800px;margin:0 auto}
.accordion-item{border:none;background:transparent;margin-bottom:14px}
.accordion-button{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md)!important;padding:20px 24px;font-size:15px;font-weight:600;color:var(--dark);box-shadow:var(--shadow-sm);transition:var(--transition)}
.accordion-button:not(.collapsed){background:var(--white);color:var(--primary-dark);border-color:var(--primary);box-shadow:0 4px 16px rgba(217,119,6,.12)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(217,119,6,.2);border-color:var(--primary)}
.accordion-button::after{background-size:10px;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23d97706'%3e%3cpath fill-rule='evenodd' d='M8 2a1 1 0 0 1 1 1v4h4a1 1 0 1 1 0 2H9v4a1 1 0 1 1-2 0V9H3a1 1 0 1 1 0-2h4V3a1 1 0 0 1 1-1z'/%3e%3c/svg%3e")}
.accordion-body{background:var(--white);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md);padding:8px 24px 22px;color:var(--text-muted);font-size:14px;line-height:1.8}
.accordion-button:not(.collapsed){border-radius:var(--radius-md) var(--radius-md) 0 0!important}
.accordion-button.collapsed{border-radius:var(--radius-md)!important}
/* CTA */
.cta-box{border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--dark),var(--dark-light) 55%,#2d2a54);position:relative;overflow:hidden;padding:60px 50px;text-align:center;color:#fff}
.cta-box::before{content:'';position:absolute;top:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 70%)}
.cta-box::after{content:'';position:absolute;bottom:-60px;left:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.14),transparent 70%)}
.cta-box .container{position:relative;z-index:2}
.cta-title{font-size:32px;font-weight:800;letter-spacing:-.5px;margin-bottom:12px}
.cta-desc{font-size:16px;color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 32px;line-height:1.8}
.cta-buttons{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:70px 0 0;margin-top:0}
.footer-top{padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-badge{width:40px;height:40px;border-radius:12px;font-size:19px}
.footer-brand .brand-name{color:#fff;font-size:19px;font-weight:700}
.site-footer p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px;position:relative;padding-bottom:10px}
.site-footer h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--primary)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer-links a:hover{color:#fbbf24;padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:10px}
.footer-contact i{color:#fbbf24;font-size:13px;width:16px}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fbbf24}
/* Inner page banner */
.page-banner{position:relative;padding:100px 0;background:linear-gradient(120deg,rgba(15,23,42,.92),rgba(30,41,59,.75)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;text-align:center;overflow:hidden}
.page-banner::before{content:'';position:absolute;top:-100px;left:50%;transform:translateX(-50%);width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.15),transparent 65%);pointer-events:none}
.page-banner .container{position:relative;z-index:2}
.page-banner .banner-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.3);color:#fbbf24;font-size:13px;font-weight:600;padding:6px 18px;border-radius:100px;margin-bottom:18px;letter-spacing:1px}
.page-banner h1{font-size:40px;font-weight:800;letter-spacing:-.5px;margin-bottom:12px}
.page-banner .banner-desc{font-size:16px;color:rgba(255,255,255,.8);max-width:620px;margin:0 auto;line-height:1.8}
.breadcrumb-nav{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);padding:8px 20px;border-radius:100px;display:inline-flex;align-items:center;gap:8px;font-size:13px;margin-top:20px}
.breadcrumb-nav a{color:rgba(255,255,255,.7)}
.breadcrumb-nav a:hover{color:#fbbf24}
.breadcrumb-nav span{color:#fbbf24}
/* Article */
.article-wrapper{max-width:860px;margin:0 auto;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:50px;border:1px solid var(--border)}
.article-header{margin-bottom:36px;padding-bottom:28px;border-bottom:1px solid var(--border)}
.article-header h1{font-size:32px;font-weight:800;color:var(--dark);line-height:1.4;margin-bottom:16px;letter-spacing:-.5px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--text-muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary)}
.article-content{font-size:16px;line-height:2;color:var(--text)}
.article-content p{margin-bottom:20px}
.article-content h2{font-size:24px;font-weight:700;color:var(--dark);margin:36px 0 16px}
.article-content h3{font-size:20px;font-weight:700;color:var(--dark);margin:30px 0 14px}
.article-content ul{padding-left:20px;margin-bottom:20px}
.article-content ul li{list-style:disc;margin-bottom:8px;padding-left:4px}
.article-content ol{padding-left:20px;margin-bottom:20px}
.article-content ol li{list-style:decimal;margin-bottom:8px;padding-left:4px}
.article-content img{border-radius:var(--radius-md);margin:24px 0}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--primary-lighter);padding:16px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0;color:var(--primary-dark)}
.article-content a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
.not-found{text-align:center;padding:80px 20px}
.not-found .icon{font-size:64px;color:var(--text-light);margin-bottom:20px}
.not-found h2{font-size:28px;font-weight:700;color:var(--dark);margin-bottom:12px}
.not-found p{color:var(--text-muted);margin-bottom:28px}
/* Sidebar */
.sidebar-card{background:var(--white);border-radius:var(--radius-md);padding:26px;border:1px solid var(--border);box-shadow:var(--shadow-sm);margin-bottom:24px}
.sidebar-card h4{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:18px;position:relative;padding-left:14px}
.sidebar-card h4::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary-light),var(--primary))}
.sidebar-links li{margin-bottom:10px;padding-bottom:10px;border-bottom:1px dashed var(--border)}
.sidebar-links li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.sidebar-links a{font-size:14px;color:var(--text);font-weight:500;display:flex;justify-content:space-between;align-items:center;gap:8px}
.sidebar-links a i{color:var(--primary-light);font-size:11px;transition:var(--transition)}
.sidebar-links a:hover{color:var(--primary-dark)}
.sidebar-links a:hover i{transform:translateX(4px)}
.sidebar-cta{background:linear-gradient(135deg,var(--primary-lighter),#fde68a);border:1px solid rgba(217,119,6,.2)}
/* Info cards */
.info-card{background:var(--white);border-radius:var(--radius-md);padding:30px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);height:100%;display:flex;flex-direction:column}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.info-card .icon{width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,var(--primary-lighter),#fde68a);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.info-card h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.info-card p{font-size:14px;color:var(--text-muted);line-height:1.7;flex:1}
/* List item */
.list-item{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--border)}
.list-item:last-child{border-bottom:none}
.list-num{width:32px;height:32px;border-radius:10px;background:var(--primary-lighter);color:var(--primary-dark);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.list-item h4{font-size:15px;font-weight:600;color:var(--dark);margin-bottom:4px}
.list-item p{font-size:13px;color:var(--text-muted);line-height:1.6}
/* Responsive */
@media(max-width:1024px){
.section{padding:70px 0}
.hero-title{font-size:44px}
.hero{padding:110px 0 130px}
.section-title{font-size:30px}
}
@media(max-width:768px){
.navbar-collapse{padding:16px 0;border-top:1px solid var(--border);margin-top:12px}
.nav-link{padding:12px 16px!important}
.nav-link::after{display:none}
.header-cta{margin-left:0;margin-top:8px;display:inline-flex}
.hero{padding:90px 0 110px}
.hero-title{font-size:34px}
.hero-desc{font-size:16px}
.hero-tags{flex-wrap:wrap}
.stat-number{font-size:32px}
.section{padding:60px 0}
.section-title{font-size:26px}
.article-wrapper{padding:32px 24px}
.cta-box{padding:40px 24px}
.cta-title{font-size:26px}
.page-banner h1{font-size:30px}
.footer-top .row>div{margin-bottom:30px}
.brand-name{font-size:17px}
}
@media(max-width:520px){
.container{padding-left:16px;padding-right:16px}
.hero-title{font-size:27px}
.hero{padding:70px 0 90px}
.hero-buttons .btn-hero{padding:12px 24px;font-size:14px}
.stat-number{font-size:26px}
.stat-item{padding:16px}
.feature-card{padding:26px 20px}
.news-card{padding:20px}
.article-header h1{font-size:24px}
.article-wrapper{padding:24px 18px;border-radius:var(--radius-md)}
.cta-box{padding:32px 20px;border-radius:var(--radius-md)}
.brand-badge{width:36px;height:36px;font-size:18px}
.brand-name{font-size:16px}
}

/* roulang page: category1 */
:root {
            --primary: #6C5CE7;
            --primary-dark: #4B3FBF;
            --primary-light: #8E7CF5;
            --accent: #FFB800;
            --accent-dark: #FF8C00;
            --dark-bg: #100C1E;
            --dark-bg-2: #1A1530;
            --body-bg: #F7F7FB;
            --body-text: #1E1B2E;
            --muted-text: #6B7280;
            --border-color: #E5E7EB;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(30, 27, 46, 0.04);
            --shadow-md: 0 8px 30px rgba(30, 27, 46, 0.08);
            --shadow-lg: 0 16px 50px rgba(30, 27, 46, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--body-text);
            background: var(--body-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 88px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--dark-bg);
            letter-spacing: -0.5px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--muted-text);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .btn {
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            transition: var(--transition);
        }

        .btn-brand {
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-brand {
            background: linear-gradient(135deg, #6C5CE7 0%, #4B3FBF 100%);
            color: #fff;
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.28);
        }

        .btn-primary-brand:hover,
        .btn-primary-brand:focus {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(108, 92, 231, 0.36);
            color: #fff;
        }

        .btn-accent-brand {
            background: linear-gradient(135deg, #FFB800 0%, #FF8C00 100%);
            color: #1E1B2E;
            box-shadow: 0 6px 20px rgba(255, 184, 0, 0.3);
        }

        .btn-accent-brand:hover,
        .btn-accent-brand:focus {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 184, 0, 0.4);
            color: #1E1B2E;
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(232, 235, 244, 0.7);
        }

        .site-header .navbar {
            min-height: 72px;
            padding: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            margin-right: 0;
        }

        .brand-badge {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #6C5CE7, #4B3FBF);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
        }

        .brand-name {
            font-size: 19px;
            font-weight: 800;
            color: var(--dark-bg);
            letter-spacing: -0.3px;
        }

        .brand-name em {
            font-style: normal;
            color: var(--primary);
        }

        .site-header .nav-link {
            position: relative;
            padding: 18px 14px;
            font-weight: 500;
            font-size: 15px;
            color: var(--body-text);
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 8px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .site-header .nav-link:hover {
            color: var(--primary);
        }

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .header-cta {
            padding: 8px 18px;
            font-size: 14px;
        }

        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            border-radius: 10px;
            background: rgba(108, 92, 231, 0.08);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(108,92,231,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .page-banner {
            position: relative;
            padding: 120px 0 110px;
            text-align: center;
            background-image: linear-gradient(120deg, rgba(16, 12, 30, 0.92), rgba(108, 92, 231, 0.78)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .breadcrumb-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 14px;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.8);
        }

        .breadcrumb-nav a:hover {
            color: #fff;
        }

        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb-nav span:last-child {
            color: var(--accent);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 18px;
            letter-spacing: -1px;
        }

        .page-banner h1 em {
            font-style: normal;
            background: linear-gradient(135deg, #FFB800, #FF8C00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner .banner-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.9;
        }

        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .intro-section {
            background: #fff;
            padding: 96px 0;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-media img {
            width: 100%;
            display: block;
            transition: transform 0.6s ease;
        }

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

        .intro-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(16, 12, 30, 0.3));
            pointer-events: none;
        }

        .intro-section .section-tag {
            margin-bottom: 16px;
        }

        .intro-section h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--dark-bg);
        }

        .intro-section .lead-text {
            font-size: 16px;
            color: var(--muted-text);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .intro-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .intro-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background: #FAFAFE;
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

        .intro-points li:hover {
            border-color: rgba(108, 92, 231, 0.3);
            background: rgba(108, 92, 231, 0.04);
            transform: translateX(3px);
        }

        .intro-points li i {
            color: var(--primary);
            font-size: 18px;
        }

        .game-section {
            background: var(--body-bg);
        }

        .game-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid rgba(229, 231, 235, 0.6);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .game-card-thumb {
            position: relative;
            overflow: hidden;
            height: 210px;
            flex-shrink: 0;
        }

        .game-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .game-card:hover .game-card-thumb img {
            transform: scale(1.06);
        }

        .game-card-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 12, 30, 0) 40%, rgba(16, 12, 30, 0.2));
            pointer-events: none;
        }

        .game-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(255, 184, 0, 0.92);
            color: #1E1B2E;
            font-size: 13px;
            font-weight: 700;
            padding: 3px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(255, 184, 0, 0.4);
        }

        .game-card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark-bg);
        }

        .game-card-body p {
            font-size: 14px;
            color: var(--muted-text);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .game-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid #F1F2F6;
            font-size: 14px;
            color: var(--muted-text);
        }

        .game-meta span i {
            color: var(--accent);
            margin-right: 4px;
        }

        .btn-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .btn-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .stats-section {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-2) 60%, #2A2154 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.25), transparent 70%);
            pointer-events: none;
        }

        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 184, 0, 0.12), transparent 70%);
            pointer-events: none;
        }

        .stats-section .section-head h2 {
            color: #fff;
        }

        .stats-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .stats-section .section-tag {
            background: rgba(255, 184, 0, 0.12);
            color: var(--accent);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 36px 20px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 184, 0, 0.3);
            transform: translateY(-4px);
        }

        .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .stat-num {
            display: block;
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .stat-label {
            display: block;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }

        .news-section {
            background: #fff;
        }

        .news-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-date {
            position: absolute;
            bottom: 12px;
            left: 16px;
            z-index: 2;
            background: rgba(16, 12, 30, 0.75);
            color: #fff;
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(6px);
        }

        .news-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-bg);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-body p {
            font-size: 14px;
            color: var(--muted-text);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .news-body .btn-link {
            font-size: 14px;
        }

        .steps-section {
            background: var(--body-bg);
        }

        .steps-row {
            counter-reset: step;
        }

        .step-item {
            position: relative;
            text-align: center;
            padding: 40px 24px 32px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }

        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #6C5CE7, #4B3FBF);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark-bg);
        }

        .step-item p {
            font-size: 14px;
            color: var(--muted-text);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -16px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, #D1C7F5, transparent);
            z-index: 1;
        }

        .faq-section {
            background: #fff;
        }

        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-bg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item[open] summary .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--muted-text);
            line-height: 1.9;
        }

        .cta-section {
            position: relative;
            padding: 100px 0;
            background-image: linear-gradient(120deg, rgba(16, 12, 30, 0.9), rgba(108, 92, 231, 0.7)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .cta-inner {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }

        .footer-top {
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .footer-brand .brand-badge {
            width: 38px;
            height: 38px;
            font-size: 18px;
        }

        .footer-brand .brand-name {
            color: #fff;
            font-size: 18px;
        }

        .footer-brand .brand-name em {
            color: var(--accent);
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

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

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.8;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
            line-height: 1.8;
        }

        .card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .form-control {
            border-radius: 10px;
            padding: 11px 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.12);
        }

        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            margin-bottom: 14px;
            background: #fff;
        }

        .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: var(--dark-bg);
            padding: 20px 24px;
            background: #fff;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.03);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(108, 92, 231, 0.3);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236C5CE7'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--muted-text);
            line-height: 1.9;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar {
                min-height: 62px;
            }
            .site-header .navbar-collapse {
                background: #fff;
                border-radius: 16px;
                padding: 12px 16px 16px;
                margin-top: 8px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border-color);
            }
            .site-header .nav-link {
                padding: 12px 8px;
                border-radius: 10px;
            }
            .site-header .nav-link::after {
                display: none;
            }
            .site-header .nav-link.active,
            .site-header .nav-link:hover {
                background: rgba(108, 92, 231, 0.08);
                color: var(--primary);
            }
            .header-cta {
                margin-left: 8px !important;
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }
            .page-banner {
                padding: 90px 0 80px;
            }
            .page-banner h1 {
                font-size: 34px;
            }
            .page-banner .banner-desc {
                font-size: 16px;
            }
            .section {
                padding: 70px 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .page-banner {
                padding: 76px 0 66px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner .banner-desc {
                font-size: 15px;
                margin-bottom: 28px;
            }
            .banner-actions {
                flex-direction: column;
                align-items: center;
            }
            .banner-actions .btn {
                width: 100%;
                max-width: 260px;
                justify-content: center;
            }
            .intro-section {
                padding: 56px 0;
            }
            .intro-section h2 {
                font-size: 26px;
            }
            .intro-points {
                grid-template-columns: 1fr;
            }
            .game-card-thumb {
                height: 170px;
            }
            .stats-num {
                font-size: 34px;
            }
            .stat-item {
                padding: 26px 14px;
            }
            .cta-section {
                padding: 70px 0;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
            .cta-inner p {
                font-size: 15px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-name {
                font-size: 16px;
            }
            .brand-badge {
                width: 34px;
                height: 34px;
                font-size: 17px;
                border-radius: 10px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner .banner-desc {
                font-size: 14px;
            }
            .breadcrumb-nav {
                font-size: 13px;
                padding: 5px 14px;
            }
            .game-card-thumb {
                height: 150px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 14px;
            }
            .stat-num {
                font-size: 32px;
            }
            .footer-bottom p {
                font-size: 12px;
            }
            .faq-item summary {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 18px;
                font-size: 14px;
            }
        }

/* roulang page: article */
/* ==========================================================
   九游在线网页版官网 · 文章详情页视觉系统
   ========================================================== */
:root {
  --primary: #4f46e5;
  --primary-600: #4338ca;
  --primary-700: #3730a3;
  --accent: #f59e0b;
  --accent-600: #d97706;
  --dark-bg: #0b1027;
  --body-bg: #f6f7fb;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);
  --transition: all 0.3s ease;
  --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
/* ---------- 基础 Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
/* ---------- 通用容器与板块 ---------- */
.section-pad { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-title { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.5px; margin: 0 0 14px; }
.section-subtitle { color: var(--text-muted); font-size: 1.05rem; line-height: 1.8; margin-bottom: 0; }
/* ---------- 按钮体系 ---------- */
.btn-brand {
  border-radius: 50px;
  padding: 10px 24px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  transition: var(--transition);
  line-height: 1.6;
}
.btn-brand i { font-size: 0.95em; }
.btn-primary-brand { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3); }
.btn-primary-brand:hover { background: var(--primary-600); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3); }
.btn-accent:hover { background: var(--accent-600); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: rgba(79, 70, 229, 0.04); }
.btn-lg-brand { padding: 14px 36px; font-size: 1.05rem; }
/* ---------- 站点头部 ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.site-header .navbar { min-height: 72px; }
.navbar-brand { display: flex; align-items: center; gap: 10px; padding: 8px 0; }
.brand-badge {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 19px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.32);
  flex-shrink: 0;
}
.brand-name { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: -0.4px; white-space: nowrap; }
.brand-name em { font-style: normal; color: var(--primary); font-weight: 700; }
.site-header .navbar-nav .nav-link {
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 18px !important;
  position: relative;
  border-radius: 8px;
  font-size: 0.98rem;
}
.site-header .navbar-nav .nav-link:hover { color: var(--primary); background: rgba(79, 70, 229, 0.05); }
.site-header .navbar-nav .nav-link.active { color: var(--primary); }
.site-header .navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 18px; right: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.header-cta { padding: 9px 20px !important; font-size: 0.94rem; }
.navbar-toggler { border: none; padding: 6px 10px; border-radius: 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15); }
/* ---------- 文章页 Banner / 首屏 ---------- */
.page-hero {
  position: relative;
  padding: 70px 0 76px;
  background-size: cover;
  background-position: center;
  background-color: var(--dark-bg);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 16, 39, 0.88) 0%, rgba(79, 70, 229, 0.72) 55%, rgba(124, 58, 237, 0.55) 100%);
}
.page-hero::after {
  content: '';
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 65%);
  top: -160px; right: -120px;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.35;
  margin: 0 0 18px;
  max-width: 960px;
}
.page-hero-desc { font-size: 1.1rem; opacity: 0.92; max-width: 760px; margin-bottom: 0; }
/* ---------- 面包屑 ---------- */
.breadcrumb-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}
.breadcrumb-nav a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-sep { opacity: 0.5; font-size: 12px; }
.breadcrumb-current { color: #fff; font-weight: 600; max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* ---------- 文章元信息 ---------- */
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.94rem; color: rgba(255, 255, 255, 0.92); margin-top: 22px; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { opacity: 0.85; }
.article-cat {
  background: var(--accent);
  color: #fff;
  border-radius: 50px;
  padding: 3px 14px;
  font-size: 0.85rem;
  font-weight: 600;
}
/* ---------- 正文区域 ---------- */
.article-section { padding: 64px 0 24px; }
.article-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 42px;
  margin-bottom: 28px;
}
.article-body { font-size: 1.02rem; line-height: 1.95; color: #334155; }
.article-body h2 { font-size: 1.55rem; font-weight: 700; color: var(--text); margin: 40px 0 18px; padding-left: 14px; border-left: 4px solid var(--primary); line-height: 1.4; }
.article-body h3 { font-size: 1.28rem; font-weight: 700; color: var(--text); margin: 32px 0 14px; }
.article-body h4 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin: 26px 0 12px; }
.article-body p { margin-bottom: 22px; }
.article-body ul, .article-body ol { margin-bottom: 22px; padding-left: 6px; }
.article-body ul li, .article-body ol li { margin-bottom: 8px; padding-left: 6px; position: relative; }
.article-body ul li::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
  margin-right: 12px;
  flex-shrink: 0;
}
.article-body ul li { display: flex; align-items: baseline; }
.article-body ol { counter-reset: list; }
.article-body ol li { counter-increment: list; display: flex; align-items: baseline; }
.article-body ol li::before {
  content: counter(list);
  background: var(--primary);
  color: #fff;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  margin-right: 12px;
  flex-shrink: 0;
}
.article-body img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow); }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: #fffbeb;
  padding: 16px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 22px;
}
.article-body blockquote p { margin-bottom: 0; }
.article-body code { background: #f1f5f9; padding: 2px 8px; border-radius: 6px; font-size: 0.9em; color: var(--primary-700); }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 22px; border-radius: var(--radius-sm); overflow: hidden; }
.article-body table th, .article-body table td { border: 1px solid var(--border); padding: 10px 16px; }
.article-body table th { background: #f8fafc; font-weight: 700; }
/* 文章标签 */
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 24px 0; border-top: 1px solid var(--border); margin-top: 12px; }
.tag-label { font-weight: 600; color: var(--text-muted); font-size: 0.95rem; }
.tag-chip {
  background: #f1f5f9;
  color: var(--text-muted);
  border-radius: 50px;
  padding: 5px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}
.tag-chip:hover { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25); }
/* 分享 */
.article-share { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; padding: 20px 0 0; border-top: 1px solid var(--border); }
.share-label { font-weight: 600; color: var(--text-muted); margin-right: 10px; }
.share-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center; justify-content: center;
  color: #fff;
  margin: 0 4px;
  font-size: 15px;
  transition: var(--transition);
}
.share-btn:hover { transform: translateY(-3px); box-shadow: 0 6px 14px rgba(15, 23, 42, 0.18); }
.share-btn.wechat { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.qq { background: #12b7f5; }
.share-btn.link { background: #64748b; }
/* 文章提示 */
.article-notice {
  background: #f8fafc;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 24px;
  border: 1px dashed var(--border);
}
.article-notice i { color: var(--primary); font-size: 1.1rem; }
/* 文章底部导航 */
.article-footer-nav { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
/* 未找到 */
.not-found-block { text-align: center; padding: 70px 30px; }
.not-found-block i { font-size: 3.4rem; color: var(--text-light); margin-bottom: 20px; display: block; }
.not-found-block h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 12px; }
.not-found-block p { color: var(--text-muted); margin-bottom: 26px; }
/* ---------- 侧边栏 ---------- */
.sidebar-widget {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  margin-bottom: 24px;
}
.sidebar-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid #f1f5f9;
  position: relative;
}
.sidebar-title::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 36px; height: 2px;
  background: var(--primary);
}
.sidebar-widget .sidebar-title { border-bottom: 2px solid #f1f5f9; position: relative; }
.sidebar-list li:last-child a { border-bottom: none; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  color: var(--text);
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
}
.sidebar-link:hover { color: var(--primary); padding-left: 4px; }
.sidebar-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.sidebar-text {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sidebar-arrow { color: var(--text-light); font-size: 11px; }
.sidebar-empty { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0; }
/* 侧边栏分类 */
.sidebar-cats { display: flex; flex-direction: column; gap: 10px; }
.sidebar-cat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #f8fafc;
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 1px solid transparent;
}
.sidebar-cat:hover { background: #fff; border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.sidebar-cat i { color: var(--primary); font-size: 1.1rem; width: 22px; text-align: center; }
.sidebar-cat .cat-count { margin-left: auto; background: #eef2ff; color: var(--primary); font-size: 0.8rem; padding: 2px 10px; border-radius: 20px; font-weight: 600; }
/* 侧边栏关于 */
.widget-about img { border-radius: 12px; margin-bottom: 14px; width: 100%; object-fit: cover; height: 120px; }
.widget-about p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 14px; }
/* ---------- 相关推荐 ---------- */
.related-section { padding: 70px 0 80px; background: var(--surface); border-top: 1px solid var(--border); }
.related-card {
  background: var(--body-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  border: 1px solid var(--border);
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.card-img-wrap { position: relative; overflow: hidden; }
.card-img-wrap img { width: 100%; height: 190px; object-fit: cover; transition: transform 0.45s ease; }
.related-card:hover .card-img-wrap img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(79, 70, 229, 0.92);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 30px;
  backdrop-filter: blur(4px);
}
.related-card .card-body { padding: 22px; }
.related-card .card-title { font-size: 1.1rem; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.related-card .card-title a { color: var(--text); }
.related-card .card-title a:hover { color: var(--primary); }
.related-card .card-excerpt { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; color: var(--text-light); }
.card-meta .meta-date { display: inline-flex; align-items: center; gap: 6px; }
.card-meta .meta-more { color: var(--primary); font-weight: 600; }
.card-meta .meta-more i { font-size: 0.8em; }
/* ---------- FAQ ---------- */
.faq-section { padding: 80px 0; }
.faq-accordion { max-width: 860px; margin: 0 auto; }
.faq-accordion .accordion-item {
  border: 1px solid var(--border);
  border-radius: 14px !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: none;
}
.faq-accordion .accordion-button {
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
  background: #fff;
  padding: 18px 22px;
  box-shadow: none;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: #f8fafc;
  color: var(--primary);
}
.faq-accordion .accordion-button:focus { box-shadow: none; }
.faq-accordion .accordion-button::after { flex-shrink: 0; }
.faq-accordion .accordion-body { padding: 6px 22px 20px; color: var(--text-muted); line-height: 1.85; }
/* ---------- CTA ---------- */
.cta-section { padding: 40px 0 80px; }
.cta-card {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 55%, #a855f7 100%);
  border-radius: 28px;
  padding: 70px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(79, 70, 229, 0.35);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.14), transparent 55%);
}
.cta-card::after {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  bottom: -120px; left: -80px;
}
.cta-card > * { position: relative; z-index: 2; }
.cta-card h2 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.5px; }
.cta-card p { font-size: 1.08rem; opacity: 0.9; margin-bottom: 28px; }
.cta-card .btn-accent { background: #fff; color: var(--primary); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); }
.cta-card .btn-accent:hover { background: #fef3c7; color: var(--primary-700); transform: translateY(-3px); }
/* ---------- 页脚 ---------- */
.site-footer { background: var(--dark-bg); color: #cbd5e1; padding-top: 64px; }
.footer-top { padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-brand .brand-badge { box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4); }
.footer-brand .brand-name { color: #fff; font-size: 1.35rem; }
.footer-brand .brand-name em { color: #a5b4fc; }
.site-footer p { font-size: 0.95rem; line-height: 1.8; color: #94a3b8; }
.site-footer h4 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.site-footer h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #94a3b8; font-size: 0.95rem; transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-links a::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); opacity: 0; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-links a:hover::before { opacity: 1; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; color: #94a3b8; }
.footer-contact li i { width: 20px; text-align: center; color: #a5b4fc; }
.footer-bottom { padding: 22px 0; font-size: 0.88rem; color: #64748b; }
.footer-bottom p { margin-bottom: 0; text-align: center; }
/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
  .section-pad { padding: 60px 0; }
  .site-header .navbar-collapse {
    background: #fff;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 12px 16px 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    border-top: none;
  }
  .site-header .navbar-nav .nav-link { padding: 10px 16px !important; }
  .site-header .navbar-nav .nav-link.active::after { display: none; }
  .site-header .navbar-nav .nav-link.active { background: rgba(79, 70, 229, 0.08); }
  .header-cta { margin-top: 10px; justify-content: center; }
  .page-hero { padding: 56px 0 60px; }
  .page-hero-title { font-size: 2rem; }
  .article-card { padding: 30px; }
}
@media (max-width: 767.98px) {
  .section-pad { padding: 48px 0; }
  .section-title { font-size: 1.7rem; }
  .page-hero { padding: 44px 0 48px; }
  .page-hero-title { font-size: 1.65rem; }
  .article-card { padding: 22px; border-radius: 14px; }
  .article-body { font-size: 1rem; line-height: 1.85; }
  .article-body h2 { font-size: 1.3rem; }
  .article-body h3 { font-size: 1.15rem; }
  .cta-card { padding: 50px 24px; border-radius: 20px; }
  .cta-card h2 { font-size: 1.55rem; }
  .footer-top { padding-bottom: 24px; }
  .site-footer { padding-top: 44px; }
}
@media (max-width: 575.98px) {
  .article-meta { gap: 12px; }
  .breadcrumb-current { max-width: 200px; }
  .article-footer-nav .btn-brand { width: 100%; justify-content: center; }
  .article-share { gap: 8px; }
  .share-btn { width: 36px; height: 36px; }
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1e2a5a;
            --primary-light: #2a3a7a;
            --primary-dark: #141d3d;
            --accent: #e0a32e;
            --accent-light: #f0b94a;
            --accent-dark: #c88e1e;
            --bg-body: #f6f7fc;
            --bg-white: #ffffff;
            --bg-light: #eef0f8;
            --bg-dark: #141d3d;
            --text-main: #1a1f37;
            --text-weak: #6b7280;
            --text-invert: #ffffff;
            --border: #e5e7f0;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-pill: 60px;
            --shadow-sm: 0 2px 12px rgba(20, 29, 61, 0.06);
            --shadow-md: 0 8px 30px rgba(20, 29, 61, 0.1);
            --shadow-lg: 0 16px 48px rgba(20, 29, 61, 0.16);
            --spacing-section: 96px;
            --spacing-section-sm: 64px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ 通用工具类 ============ */
        .section-padding {
            padding: var(--spacing-section) 0;
        }

        .section-padding-sm {
            padding: var(--spacing-section-sm) 0;
        }

        .bg-white {
            background: var(--bg-white);
        }

        .bg-light {
            background: var(--bg-light);
        }

        .bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-invert);
        }

        .text-weak {
            color: var(--text-weak);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(224, 163, 46, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ============ 导航 ============ */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(16px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar {
            padding: 0;
            min-height: 74px;
            width: 100%;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0;
            margin: 0;
        }

        .brand-badge {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(30, 42, 90, 0.3);
        }

        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }

        .brand-name em {
            font-style: normal;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 2px;
        }

        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 20px !important;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link:focus::after {
            transform: scaleX(1);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .btn {
            border-radius: var(--radius-pill);
            padding: 10px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        .btn-primary-brand {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(224, 163, 46, 0.35);
        }

        .btn-primary-brand:hover {
            background: linear-gradient(135deg, var(--accent-dark), var(--accent));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(224, 163, 46, 0.45);
        }

        .btn-outline-brand {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
        }

        .btn-outline-brand:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .header-cta {
            font-size: 14px;
            padding: 9px 24px;
            border-radius: 50px;
            margin-left: 8px;
        }

        .navbar-toggler {
            border: 1px solid rgba(30, 42, 90, 0.2);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(224, 163, 46, 0.25);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(30,42,90,1)' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* ============ 页面Banner ============ */
        .page-banner {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(20, 29, 61, 0.88), rgba(30, 42, 90, 0.72)),
                url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .page-banner .banner-inner {
            max-width: 800px;
            margin: 0 auto;
        }

        .page-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(224, 163, 46, 0.25);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(224, 163, 46, 0.4);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .page-banner h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 18px;
            line-height: 1.2;
        }

        .page-banner p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 32px;
        }

        .banner-breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }

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

        .banner-breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ 安全保障卡片 ============ */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .safety-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 34px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .safety-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), rgba(224, 163, 46, 0.3));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .safety-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(224, 163, 46, 0.3);
        }

        .safety-card:hover::before {
            transform: scaleX(1);
        }

        .safety-icon {
            width: 62px;
            height: 62px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 24px;
            border-radius: 16px;
            margin-bottom: 20px;
            box-shadow: 0 6px 20px rgba(30, 42, 90, 0.25);
        }

        .safety-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .safety-card p {
            font-size: 14.5px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 图文区块 ============ */
        .service-feature {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 60px;
        }

        .service-feature .feature-image {
            flex: 1 1 440px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .service-feature .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .service-feature .feature-body {
            flex: 1 1 440px;
        }

        .feature-body .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(224, 163, 46, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
        }

        .feature-body h2 {
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .feature-body p {
            font-size: 15.5px;
            color: var(--text-weak);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .feature-list {
            margin-top: 24px;
            display: grid;
            gap: 12px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            line-height: 1.6;
        }

        .feature-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 18px;
            flex-shrink: 0;
        }

        .feature-list li strong {
            font-weight: 600;
        }

        /* ============ 数据块 ============ */
        .stats-band {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(224, 163, 46, 0.2) 0%, transparent 70%);
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            color: #fff;
        }

        .stat-item .stat-num {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            font-family: Georgia, serif;
            background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.75));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
        }

        /* ============ 服务流程 ============ */
        .process-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .process-step {
            text-align: center;
            padding: 30px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

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

        .process-step .step-num {
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            font-size: 22px;
            font-weight: 800;
            border-radius: 50%;
            margin: 0 auto 18px;
            box-shadow: 0 6px 16px rgba(224, 163, 46, 0.3);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ============ FAQ ============ */
        .faq-container {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(224, 163, 46, 0.35);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            background: none;
            color: var(--text-main);
            transition: var(--transition);
        }

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

        .faq-question i {
            color: var(--accent);
            flex-shrink: 0;
            transition: transform 0.3s ease;
            font-size: 20px;
        }

        .faq-answer {
            padding: 0 28px 22px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-weak);
            display: none;
        }

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

        /* ============ CTA区块 ============ */
        .cta-section {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 70px 56px;
            text-align: center;
            background: linear-gradient(120deg, var(--primary), var(--primary-dark)),
                url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            background-blend-mode: overlay;
            color: #fff;
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 80px;
            margin-top: 40px;
        }

        .footer-top {
            padding-bottom: 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .footer-brand .brand-badge {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(224, 163, 46, 0.3);
        }

        .footer-brand .brand-name {
            font-size: 20px;
            color: #fff;
        }

        .footer-brand .brand-name em {
            color: var(--accent-light);
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 22px;
            font-weight: 600;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            position: relative;
            transition: var(--transition);
            padding-left: 14px;
        }

        .footer-links a::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.7;
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 18px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }

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

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 76px;
                --spacing-section-sm: 52px;
            }

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

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

            .navbar-nav .nav-link {
                padding: 12px 16px !important;
                font-size: 14px;
            }

            .navbar-nav .nav-link::after {
                left: 16px;
                right: 16px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                position: sticky;
            }

            .navbar {
                min-height: 64px;
            }

            .navbar-collapse {
                background: var(--bg-white);
                border-top: 1px solid var(--border);
                padding: 16px 12px;
                margin-top: 8px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                box-shadow: var(--shadow-md);
            }

            .navbar-nav .nav-link {
                padding: 12px 20px !important;
                font-size: 15px;
            }

            .navbar-nav .nav-link::after {
                display: none;
            }

            .navbar-nav .nav-link.active {
                background: rgba(224, 163, 46, 0.08);
                border-radius: 10px;
            }

            .header-cta {
                margin: 8px 0 0 0;
                width: 100%;
            }

            .page-banner {
                padding: 80px 0 64px;
            }

            .service-feature {
                gap: 32px;
            }

            .service-feature .feature-image img {
                min-height: 260px;
            }

            .stats-band {
                padding: 44px 24px;
            }

            .stat-item .stat-num {
                font-size: 36px;
            }

            .cta-section {
                padding: 52px 24px;
            }

            .footer-bottom p {
                line-height: 1.6;
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {

            .safety-grid,
            .process-row,
            .stats-row {
                grid-template-columns: 1fr;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .page-banner p {
                font-size: 15px;
            }

            .safety-card {
                padding: 26px 20px;
            }

            .feature-list li {
                font-size: 14px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 20px 18px;
                font-size: 14px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .footer-top {
                padding-bottom: 36px;
            }

            .brand-name {
                font-size: 18px;
            }

            .brand-name em {
                font-size: 11px;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
    --primary: #6C5CE7;
    --primary-dark: #5A4BD1;
    --primary-light: #EEEAFF;
    --secondary: #00B4D8;
    --secondary-light: #E0F7FF;
    --dark: #0F0E17;
    --dark-card: #1A1930;
    --body-bg: #FFFFFF;
    --section-bg: #F5F6FB;
    --text-main: #1A1B2E;
    --text-weak: #6E7191;
    --border-color: #E8E8F0;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 12px rgba(20, 20, 43, 0.06);
    --shadow-md: 0 8px 30px rgba(20, 20, 43, 0.08);
    --shadow-lg: 0 16px 48px rgba(20, 20, 43, 0.12);
    --gradient-brand: linear-gradient(135deg, #6C5CE7 0%, #A78BFA 100%);
    --gradient-dark: linear-gradient(135deg, #0F0E17 0%, #1A1930 55%, #2D2A4A 100%);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

/* ========== 基础 Reset ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-main);
    background: var(--body-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all .25s ease;
}

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

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

button,
input,
select,
textarea {
    font-family: inherit;
}

ul,
ol {
    list-style: none;
}

.container {
    max-width: 1240px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ========== 通用 ========== */
.section {
    padding: 96px 0;
}

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 16px;
    border-radius: 40px;
    margin-bottom: 16px;
}

.section-eyebrow i {
    font-size: 13px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-weak);
    line-height: 1.7;
}

/* ========== 导航 ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(232, 232, 240, 0.6);
    transition: all .3s ease;
}

.site-header .navbar {
    min-height: 76px;
    padding: 0;
}

.navbar-brand {
    gap: 12px;
    margin-right: 0;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-brand);
    border-radius: 12px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
}

.brand-name {
    font-size: 21px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
    letter-spacing: .01em;
}

.brand-name em {
    font-style: normal;
    font-weight: 500;
    color: var(--primary);
}

.site-header .navbar-nav {
    gap: 6px;
}

.site-header .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    padding: 10px 16px !important;
    border-radius: 10px;
    position: relative;
    transition: all .25s ease;
}

.site-header .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 4px;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    border-radius: 3px;
    background: var(--gradient-brand);
    transition: width .3s ease;
}

.site-header .nav-link:hover::after,
.site-header .nav-link.active::after {
    width: 18px;
}

.site-header .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.site-header .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px !important;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.28);
    transition: all .3s ease;
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
}

.navbar-toggler {
    border: none;
    padding: 8px;
    border-radius: 10px;
    background: var(--primary-light);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='%236C5CE7' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.4em;
    height: 1.4em;
}

/* ========== 按钮 ========== */
.btn {
    border-radius: 12px;
    font-weight: 600;
    transition: all .3s ease;
}

.btn-brand {
    background: var(--gradient-brand);
    border: none;
    color: #fff !important;
}

.btn-brand:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
    color: #fff !important;
}

.btn-outline-brand {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-brand:hover {
    background: var(--primary);
    color: #fff !important;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 36px;
    font-size: 16px;
}

/* ========== 页面 Banner ========== */
.page-banner {
    position: relative;
    padding: 120px 0 100px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 14, 23, 0.72) 0%, rgba(15, 14, 23, 0.82) 100%);
}

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

.banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 40px;
    margin-bottom: 24px;
}

.banner-tag i {
    color: #A78BFA;
}

.page-banner h1 {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.page-banner p {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 640px;
    margin: 0 auto 24px;
}

.breadcrumb-nav {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
    padding: 8px 20px;
    border-radius: 40px;
}

.breadcrumb-nav a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-nav a:hover {
    color: #A78BFA;
}

.breadcrumb-nav .sep {
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb-nav .current {
    color: #fff;
    font-weight: 500;
}

/* ========== 攻略分类标签 ========== */
.guide-cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.guide-cat-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid var(--border-color);
    background: #fff;
    color: var(--text-weak);
    font-size: 15px;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: 40px;
    cursor: pointer;
    transition: all .3s ease;
}

.guide-cat-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.guide-cat-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.25);
}

/* ========== 攻略卡片 ========== */
.guide-card {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all .35s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.guide-card-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.guide-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.guide-card:hover .guide-card-img-wrap img {
    transform: scale(1.06);
}

.guide-card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 30px;
    background: rgba(15, 14, 23, 0.7);
    backdrop-filter: blur(6px);
    color: #fff;
}

.guide-card-tag.green {
    background: rgba(0, 180, 216, 0.85);
}

.guide-card-tag.orange {
    background: rgba(255, 159, 28, 0.85);
}

.guide-card-tag.pink {
    background: rgba(236, 72, 153, 0.85);
}

.guide-card-tag.purple {
    background: rgba(108, 92, 231, 0.85);
}

.guide-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.guide-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 12px;
    color: var(--text-main);
    transition: color .25s ease;
}

.guide-card:hover .guide-card-body h3 {
    color: var(--primary);
}

.guide-card-body p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.guide-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.guide-card-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-weak);
}

.guide-card-meta .meta-item i {
    font-size: 12px;
    color: var(--primary);
}

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

.guide-card-link i {
    transition: transform .3s ease;
}

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

/* ========== 新手入门路径 ========== */
.quickstart-section {
    background: var(--section-bg);
}

.step-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all .35s ease;
    height: 100%;
}

.step-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    background: var(--gradient-brand);
    box-shadow: 0 6px 18px rgba(108, 92, 231, 0.3);
    margin-bottom: 20px;
}

.step-item:nth-child(2) .step-number {
    background: linear-gradient(135deg, #00B4D8, #48CAE4);
    box-shadow: 0 6px 18px rgba(0, 180, 216, 0.3);
}

.step-item:nth-child(3) .step-number {
    background: linear-gradient(135deg, #FF9F1C, #FFBF69);
    box-shadow: 0 6px 18px rgba(255, 159, 28, 0.3);
}

.step-item:nth-child(4) .step-number {
    background: linear-gradient(135deg, #EC4899, #F472B6);
    box-shadow: 0 6px 18px rgba(236, 72, 153, 0.3);
}

.step-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-main);
}

.step-item p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 0;
}

.step-arrow {
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

@media (max-width: 991px) {
    .step-arrow {
        display: none;
    }
}

/* ========== 进阶技巧 ========== */
.tips-section {
    background: var(--dark);
    color: #fff;
}

.tips-section .section-title {
    color: #fff;
}

.tips-section .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.tips-section .section-eyebrow {
    background: rgba(255, 255, 255, 0.1);
    color: #A78BFA;
}

.tip-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all .35s ease;
    height: 100%;
    backdrop-filter: blur(8px);
}

.tip-card:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(108, 92, 231, 0.5);
    transform: translateY(-6px);
}

.tip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    font-size: 20px;
    color: #fff;
    background: var(--gradient-brand);
    margin-bottom: 22px;
    box-shadow: 0 6px 18px rgba(108, 92, 231, 0.3);
}

.tip-card:nth-child(2) .tip-icon {
    background: linear-gradient(135deg, #00B4D8, #48CAE4);
    box-shadow: 0 6px 18px rgba(0, 180, 216, 0.25);
}

.tip-card:nth-child(3) .tip-icon {
    background: linear-gradient(135deg, #FF9F1C, #FFBF69);
    box-shadow: 0 6px 18px rgba(255, 159, 28, 0.25);
}

.tip-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 14px;
    color: #fff;
}

.tip-card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin-bottom: 0;
}

/* ========== 数据统计 ========== */
.stats-section {
    padding: 80px 0;
    background-size: cover;
    background-position: center;
    position: relative;
}

.stats-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(15, 14, 23, 0.88);
}

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

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #A78BFA, #48CAE4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: .05em;
}

/* ========== 攻略列表 ========== */
.latest-section {
    background: var(--section-bg);
}

.guide-list-item {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all .3s ease;
    margin-bottom: 16px;
}

.guide-list-item:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
    transform: translateX(4px);
}

.guide-list-thumb {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.guide-list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.guide-list-info {
    flex: 1;
    min-width: 0;
}

.guide-list-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color .25s ease;
}

.guide-list-item:hover .guide-list-info h3 {
    color: var(--primary);
}

.guide-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.guide-list-tags .tag {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 30px;
    background: var(--primary-light);
    color: var(--primary);
}

.guide-list-tags .tag.blue {
    background: var(--secondary-light);
    color: #0090B0;
}

.guide-list-tags .tag.orange {
    background: #FFF3E6;
    color: #E8890C;
}

.guide-list-tags .tag.pink {
    background: #FCE7F3;
    color: #DB2777;
}

.guide-list-date {
    font-size: 13px;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.guide-list-date i {
    font-size: 13px;
    color: var(--primary);
}

@media (max-width: 575px) {
    .guide-list-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .guide-list-thumb {
        width: 100%;
        height: 160px;
    }
    .guide-list-date {
        margin-top: 4px;
    }
}

/* ========== FAQ ========== */
.faq-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    margin-bottom: 16px;
    transition: all .3s ease;
    cursor: pointer;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    padding: 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
}

.faq-question h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 0;
    color: var(--text-main);
}

.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 14px;
    flex-shrink: 0;
    transition: all .3s ease;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.8;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding-top: 14px;
}

/* ========== CTA ========== */
.cta-section {
    background: var(--gradient-dark);
    padding: 88px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: rgba(108, 92, 231, 0.3);
    filter: blur(80px);
}

.cta-section::after {
    content: "";
    position: absolute;
    left: -80px;
    bottom: -100px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(0, 180, 216, 0.2);
    filter: blur(70px);
}

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

.cta-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 560px;
    margin: 0 auto 32px;
}

/* ========== 页脚 ========== */
.site-footer {
    background: #0B0A11;
    padding-top: 72px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-top {
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.footer-brand .brand-badge {
    width: 36px;
    height: 36px;
    font-size: 18px;
}

.footer-brand .brand-name {
    font-size: 19px;
    color: #fff;
}

.footer-brand .brand-name em {
    color: #A78BFA;
}

.site-footer p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
    max-width: 340px;
}

.site-footer h4 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links {
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: all .25s ease;
}

.footer-links a:hover {
    color: #A78BFA;
    padding-left: 4px;
}

.footer-contact {
    padding: 0;
    margin: 0;
}

.footer-contact li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact li i {
    color: #A78BFA;
    font-size: 14px;
    width: 20px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom p {
    margin: 0;
    max-width: none;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .section {
        padding: 80px 0;
    }
    .page-banner {
        padding: 100px 0 80px;
    }
    .page-banner h1 {
        font-size: 38px;
    }
    .stat-number {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 64px 0;
    }
    .section-title {
        font-size: 28px;
    }
    .page-banner h1 {
        font-size: 32px;
    }
    .cta-title {
        font-size: 28px;
    }
    .stat-number {
        font-size: 36px;
    }
    .navbar-collapse {
        background: #fff;
        border-radius: 16px;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        margin-top: 12px;
    }
    .site-header .navbar-nav {
        gap: 4px;
    }
    .site-header .nav-link {
        padding: 12px 14px !important;
        border-radius: 10px;
    }
    .header-cta {
        margin-top: 8px;
        justify-content: center;
    }
    .step-arrow {
        display: none;
    }
    .footer-top .row > div {
        margin-bottom: 32px;
    }
}

@media (max-width: 520px) {
    .section {
        padding: 48px 0;
    }
    .section-head {
        margin-bottom: 36px;
    }
    .page-banner {
        padding: 70px 0 60px;
    }
    .page-banner h1 {
        font-size: 26px;
    }
    .page-banner p {
        font-size: 15px;
    }
    .guide-cats {
        gap: 8px;
    }
    .guide-cat-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    .step-item {
        padding: 24px 20px;
    }
    .tip-card {
        padding: 24px;
    }
    .guide-list-thumb {
        width: 100%;
        height: 140px;
    }
    .faq-item {
        padding: 18px 20px;
    }
}

/* Focus 可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(108, 92, 231, 0.4);
    outline-offset: 2px;
}

/* 分隔线 */
.divider {
    width: 64px;
    height: 4px;
    border-radius: 4px;
    background: var(--gradient-brand);
    margin: 20px auto 0;
}

/* 编辑器内容排版富化 */
.text-highlight {
    color: var(--primary);
    font-weight: 600;
}