/* roulang page: index */
:root {
  --color-primary: #EA5E2A;
  --color-secondary: #2B3A4A;
  --color-bg: #F8F9FA;
  --color-card-bg: #FFFFFF;
  --color-accent: #F9A825;
  --color-text: #1E1E1E;
  --color-text-light: #6C757D;
  --font-family: 'Noto Sans SC', 'SiYuan Hei', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.15);
  --transition: all 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}
a:hover,a:focus{color:#c94d1f;outline:2px solid rgba(234,94,42,0.3);outline-offset:2px}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--color-text)}
h1{font-size:2.8rem;letter-spacing:-0.02em}
h2{font-size:2.0rem;letter-spacing:-0.01em}
h3{font-size:1.35rem}
h4{font-size:1.1rem}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.row{max-width:var(--max-width);margin:0 auto}
.section{padding:80px 0}
.section-title{font-size:2.0rem;font-weight:700;margin-bottom:0.5rem;position:relative}
.section-title-bar{display:flex;align-items:center;gap:12px;margin-bottom:40px}
.section-title-bar .bar{width:4px;height:36px;background:var(--color-primary);border-radius:2px;flex-shrink:0}
.section-subtitle{color:var(--color-text-light);font-size:1.05rem;margin-bottom:40px;max-width:640px}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--color-primary);color:#fff;padding:14px 32px;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none;box-shadow:0 4px 14px rgba(234,94,42,0.25)}
.btn-primary:hover,.btn-primary:focus{background:#d14d1a;color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(234,94,42,0.35);outline:none}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--color-primary);padding:13px 30px;border:2px solid var(--color-primary);border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none}
.btn-outline:hover,.btn-outline:focus{background:var(--color-primary);color:#fff;transform:translateY(-2px);outline:none}
.btn-outline-light{display:inline-flex;align-items:center;gap:8px;background:transparent;color:#fff;padding:13px 30px;border:2px solid rgba(255,255,255,0.7);border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none}
.btn-outline-light:hover,.btn-outline-light:focus{background:rgba(255,255,255,0.15);color:#fff;border-color:#fff;transform:translateY(-2px);outline:none}
.card{background:var(--color-card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;transition:var(--transition);overflow:hidden}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:0.75rem;font-weight:600;color:#fff;background:var(--color-secondary);line-height:1.4}
.badge-accent{background:var(--color-accent);color:#1E1E1E}
.badge-primary{background:var(--color-primary)}
.empty-state{text-align:center;padding:60px 20px;color:var(--color-text-light)}
.empty-state i{font-size:3rem;color:var(--color-text-light);opacity:0.4;margin-bottom:16px;display:block}
.empty-state p{font-size:1.05rem}
/* ===== Navigation ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,0.05);height:var(--nav-height);transition:var(--transition)}
.site-header .container{display:flex;align-items:center;justify-content:center;height:100%;position:relative}
.site-logo{font-size:1.35rem;font-weight:800;color:var(--color-secondary);letter-spacing:-0.02em;text-decoration:none;display:flex;align-items:center;gap:8px;position:absolute;left:20px;top:50%;transform:translateY(-50%)}
.site-logo i{color:var(--color-primary);font-size:1.5rem}
.site-logo:hover,.site-logo:focus{color:var(--color-primary);outline:none}
.nav-center{display:flex;align-items:center;gap:8px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.nav-center a{font-size:0.95rem;font-weight:500;color:var(--color-text);padding:8px 16px;border-radius:8px;transition:var(--transition);text-decoration:none}
.nav-center a:hover,.nav-center a:focus,.nav-center a.active{color:var(--color-primary);background:rgba(234,94,42,0.08);outline:none}
.nav-right{display:flex;align-items:center;gap:12px;position:absolute;right:20px;top:50%;transform:translateY(-50%)}
.nav-right .btn-login{padding:10px 22px;font-size:0.9rem;border-radius:8px}
.nav-right .btn-login i{margin-right:6px}
.mobile-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--color-secondary);cursor:pointer;padding:4px 8px;border-radius:6px;transition:var(--transition)}
.mobile-toggle:hover{background:rgba(0,0,0,0.05)}
.mobile-menu{display:none;position:fixed;top:var(--nav-height);left:0;right:0;background:#fff;border-bottom:1px solid rgba(0,0,0,0.08);box-shadow:0 8px 24px rgba(0,0,0,0.1);padding:16px 20px;z-index:999;max-height:calc(100vh - var(--nav-height));overflow-y:auto}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 0;font-size:1rem;font-weight:500;color:var(--color-text);border-bottom:1px solid rgba(0,0,0,0.04);text-decoration:none}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--color-primary)}
.mobile-menu .btn-login-mobile{display:block;margin-top:12px;text-align:center}
/* ===== Hero ===== */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 100px;margin-top:var(--nav-height);overflow:hidden}
.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;z-index:0}
.hero-bg::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(43,58,74,0.75) 0%,rgba(0,0,0,0.55) 100%);z-index:1}
.hero .container{position:relative;z-index:2;max-width:860px}
.hero h1{font-size:3.2rem;font-weight:800;color:#fff;margin-bottom:20px;letter-spacing:-0.02em;text-shadow:0 2px 20px rgba(0,0,0,0.2)}
.hero .hero-sub{font-size:1.2rem;color:rgba(255,255,255,0.9);max-width:640px;margin:0 auto 40px;line-height:1.7;font-weight:400}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.hero-actions .btn-primary{font-size:1.05rem;padding:16px 38px}
.hero-actions .btn-outline-light{font-size:1.05rem;padding:16px 38px}
.hero-divider{position:absolute;bottom:-2px;left:0;right:0;height:60px;z-index:2;overflow:hidden}
.hero-divider svg{width:100%;height:100%;display:block}
/* ===== Features ===== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{text-align:left;padding:32px 24px}
.feature-card .icon-wrap{width:56px;height:56px;border-radius:14px;background:rgba(234,94,42,0.1);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:1.6rem;color:var(--color-primary);transition:var(--transition)}
.feature-card:hover .icon-wrap{background:var(--color-primary);color:#fff}
.feature-card h3{font-size:1.15rem;margin-bottom:8px;font-weight:700}
.feature-card p{font-size:0.95rem;color:var(--color-text-light);line-height:1.6}
/* ===== Scenarios ===== */
.scenarios-wrap{display:flex;gap:40px;align-items:center}
.scenarios-text{flex:0 0 38%}
.scenarios-text h2{font-size:2.0rem;margin-bottom:16px}
.scenarios-text p{color:var(--color-text-light);font-size:1.05rem;line-height:1.7;margin-bottom:24px}
.scenarios-visual{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.scenario-item{position:relative;border-radius:var(--radius);overflow:hidden;min-height:180px;background-size:cover;background-position:center;cursor:pointer;transition:var(--transition)}
.scenario-item:hover{transform:scale(1.02);box-shadow:var(--shadow-hover)}
.scenario-item .scenario-label{position:absolute;bottom:0;left:0;right:0;padding:12px 16px;background:linear-gradient(transparent,rgba(0,0,0,0.7));color:#fff;font-weight:600;font-size:0.95rem}
.scenario-item:nth-child(1){background-image:url('/assets/images/coverpic/cover-1.png')}
.scenario-item:nth-child(2){background-image:url('/assets/images/coverpic/cover-2.png')}
.scenario-item:nth-child(3){background-image:url('/assets/images/coverpic/cover-3.png')}
.scenario-item:nth-child(4){background-image:url('/assets/images/coverpic/cover-4.webp')}
/* ===== Cases ===== */
.cases-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;position:relative}
.case-card{position:relative;overflow:hidden;min-height:260px;border-radius:var(--radius);display:flex;flex-direction:column;justify-content:flex-end;padding:28px 24px;background-size:cover;background-position:center;transition:var(--transition)}
.case-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(0deg,rgba(0,0,0,0.7) 0%,rgba(0,0,0,0.1) 100%);z-index:1;transition:var(--transition)}
.case-card:hover::before{background:linear-gradient(0deg,rgba(0,0,0,0.8) 0%,rgba(0,0,0,0.2) 100%)}
.case-card > *{position:relative;z-index:2}
.case-card:nth-child(1){background-image:url('/assets/images/coverpic/cover-5.webp')}
.case-card:nth-child(2){background-image:url('/assets/images/coverpic/cover-6.png');transform:scale(1.05);margin:0 8px}
.case-card:nth-child(3){background-image:url('/assets/images/coverpic/cover-7.png')}
.case-card .case-quote{color:rgba(255,255,255,0.9);font-size:0.95rem;line-height:1.6;margin-bottom:12px;font-style:italic}
.case-card .case-quote::before{content:'\201C';font-size:1.8rem;color:var(--color-accent);margin-right:4px;font-style:normal}
.case-card .case-client{font-weight:700;color:#fff;font-size:0.95rem}
.case-card .case-org{color:rgba(255,255,255,0.6);font-size:0.85rem}
/* ===== Pricing ===== */
.pricing-grid{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:24px;align-items:start}
.pricing-card{text-align:center;padding:40px 28px;position:relative}
.pricing-card.featured{border:2px solid var(--color-primary);transform:scale(1.04);box-shadow:0 8px 32px rgba(234,94,42,0.15)}
.pricing-card.featured .popular-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--color-primary);color:#fff;padding:6px 24px;border-radius:20px;font-size:0.8rem;font-weight:700}
.pricing-card .plan-name{font-size:1.2rem;font-weight:700;color:var(--color-secondary);margin-bottom:8px}
.pricing-card .plan-price{font-size:3rem;font-weight:800;color:var(--color-primary);margin-bottom:4px;line-height:1.2}
.pricing-card .plan-price span{font-size:1rem;font-weight:400;color:var(--color-text-light)}
.pricing-card .plan-desc{color:var(--color-text-light);font-size:0.95rem;margin-bottom:24px}
.pricing-card .plan-features{text-align:left;margin-bottom:28px}
.pricing-card .plan-features li{padding:8px 0;font-size:0.95rem;color:var(--color-text);border-bottom:1px solid rgba(0,0,0,0.05);display:flex;align-items:center;gap:10px}
.pricing-card .plan-features li i{color:var(--color-primary);font-size:0.85rem;width:18px;text-align:center}
/* ===== News ===== */
.news-list{display:flex;flex-direction:column;gap:20px}
.news-card{display:flex;gap:24px;padding:20px 24px;align-items:flex-start}
.news-card .news-img{flex:0 0 200px;height:130px;border-radius:10px;overflow:hidden;background:var(--color-bg)}
.news-card .news-img img{width:100%;height:100%;object-fit:cover}
.news-card .news-body{flex:1;min-width:0}
.news-card .news-body .badge{margin-bottom:8px}
.news-card .news-body h3{font-size:1.1rem;font-weight:700;margin-bottom:6px;line-height:1.4}
.news-card .news-body h3 a{color:var(--color-text);text-decoration:none}
.news-card .news-body h3 a:hover{color:var(--color-primary)}
.news-card .news-body .news-excerpt{font-size:0.92rem;color:var(--color-text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.news-card .news-body .news-meta{display:flex;align-items:center;gap:16px;font-size:0.85rem;color:var(--color-text-light)}
.news-card .news-body .news-meta .read-more{color:var(--color-primary);font-weight:600;margin-left:auto;text-decoration:none}
.news-card .news-body .news-meta .read-more:hover{text-decoration:underline}
/* ===== FAQ ===== */
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border:1px solid rgba(0,0,0,0.08);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(234,94,42,0.2)}
.faq-question{background:var(--color-card-bg);padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1rem;color:var(--color-text);border:none;width:100%;text-align:left;transition:var(--transition);font-family:inherit}
.faq-question:hover{background:rgba(234,94,42,0.04);color:var(--color-primary)}
.faq-question i{transition:transform 0.3s ease;color:var(--color-text-light);font-size:0.9rem}
.faq-item.open .faq-question i{transform:rotate(180deg);color:var(--color-primary)}
.faq-answer{padding:0 24px 18px;color:var(--color-text-light);font-size:0.95rem;line-height:1.7;display:none}
.faq-item.open .faq-answer{display:block}
/* ===== CTA ===== */
.cta-section{background:var(--color-secondary);position:relative;overflow:hidden;padding:80px 0}
.cta-section::before{content:'';position:absolute;top:-60px;left:-60px;width:240px;height:240px;border-radius:50%;background:rgba(234,94,42,0.08);pointer-events:none}
.cta-section::after{content:'';position:absolute;bottom:-80px;right:-40px;width:300px;height:300px;border-radius:50%;background:rgba(249,168,37,0.06);pointer-events:none}
.cta-wrap{text-align:center;position:relative;z-index:1}
.cta-wrap h2{color:#fff;font-size:2.2rem;margin-bottom:12px}
.cta-wrap p{color:rgba(255,255,255,0.8);font-size:1.1rem;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{background:linear-gradient(180deg,var(--color-secondary) 0%,#1a2633 100%);color:rgba(255,255,255,0.7);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand .footer-logo{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.footer-brand .footer-logo i{color:var(--color-primary)}
.footer-brand p{font-size:0.92rem;line-height:1.7;max-width:320px}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:rgba(255,255,255,0.6);font-size:0.92rem;text-decoration:none;transition:var(--transition)}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-col .contact-info li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,0.6);font-size:0.92rem;margin-bottom:10px}
.footer-col .contact-info li i{width:18px;color:var(--color-primary)}
.footer-social{display:flex;gap:12px;margin-top:16px}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);transition:var(--transition);text-decoration:none}
.footer-social a:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.footer-bottom{text-align:center;padding:20px 0;font-size:0.85rem;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.5);text-decoration:none}
.footer-bottom a:hover{color:#fff}
/* ===== Responsive ===== */
@media screen and (max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .cases-grid{grid-template-columns:1fr 1fr}
  .case-card:nth-child(2){transform:none;margin:0}
  .pricing-grid{grid-template-columns:1fr 1fr}
  .pricing-card.featured{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .scenarios-wrap{flex-direction:column}
  .scenarios-text{flex:0 0 100%}
}
@media screen and (max-width:768px){
  .site-header .container{justify-content:space-between}
  .site-logo{position:static;transform:none}
  .nav-center{display:none}
  .nav-right .btn-login{display:none}
  .mobile-toggle{display:block}
  .hero{padding:100px 20px 80px;min-height:60vh}
  .hero h1{font-size:2.0rem}
  .hero .hero-sub{font-size:1rem}
  .section{padding:50px 0}
  .section-title{font-size:1.6rem}
  .features-grid{grid-template-columns:1fr 1fr;gap:16px}
  .cases-grid{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}
  .news-card{flex-direction:column}
  .news-card .news-img{flex:0 0 100%;height:180px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .scenarios-visual{grid-template-columns:1fr}
  h1{font-size:2.0rem}
  h2{font-size:1.5rem}
  .cta-wrap h2{font-size:1.6rem}
}
@media screen and (max-width:520px){
  .features-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.6rem}
  .hero-actions{flex-direction:column;align-items:center}
  .hero-actions .btn-primary,.hero-actions .btn-outline-light{width:100%;justify-content:center}
  .section-title-bar{margin-bottom:24px}
  .pricing-card{padding:28px 18px}
  .faq-question{padding:14px 16px;font-size:0.95rem}
}

/* roulang page: article */
:root {
            --color-primary: #EA5E2A;
            --color-secondary: #2B3A4A;
            --color-bg: #F8F9FA;
            --color-card-bg: #FFFFFF;
            --color-accent: #F9A825;
            --color-text: #1E1E1E;
            --color-text-light: #6C757D;
            --font-family: 'Noto Sans SC', 'SiYuan Hei', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius: 12px;
            --shadow: 0 2px 12px rgba(0,0,0,0.08);
            --shadow-hover: 0 6px 24px rgba(0,0,0,0.15);
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: var(--font-family); background: var(--color-bg); color: var(--color-text); line-height: 1.6; }
        a { color: var(--color-primary); transition: var(--transition); }
        a:hover { color: #c94f1e; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }

        /* 导航 */
        .site-header { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.06); position: sticky; top: 0; z-index: 100; }
        .nav-center { display: flex; align-items: center; justify-content: center; gap: 2rem; padding: 0.8rem 0; flex-wrap: wrap; }
        .nav-center a { text-decoration: none; color: var(--color-text); font-weight: 500; padding: 0.4rem 0.8rem; border-radius: 6px; transition: var(--transition); font-size: 0.95rem; }
        .nav-center a:hover, .nav-center a.active { color: var(--color-primary); background: rgba(234,94,42,0.08); }
        .nav-center .logo { font-size: 1.4rem; font-weight: 700; color: var(--color-primary); display: flex; align-items: center; gap: 0.4rem; }
        .nav-center .logo i { font-size: 1.3rem; }
        .nav-center .btn-login { background: var(--color-primary); color: #fff !important; padding: 0.5rem 1.4rem; border-radius: var(--radius); font-weight: 600; }
        .nav-center .btn-login:hover { background: #c94f1e; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--color-text); cursor: pointer; }

        /* 面包屑 */
        .breadcrumb { padding: 1rem 0 0.5rem; font-size: 0.85rem; color: var(--color-text-light); }
        .breadcrumb a { color: var(--color-text-light); text-decoration: none; }
        .breadcrumb a:hover { color: var(--color-primary); }
        .breadcrumb .current { color: var(--color-primary); font-weight: 600; }
        .breadcrumb .sep { margin: 0 0.4rem; color: #ccc; }

        /* 文章主体 */
        .article-wrapper { max-width: 800px; margin: 0 auto; padding: 2rem 0 3rem; }
        .article-header { margin-bottom: 2rem; }
        .article-header h1 { font-size: 2.2rem; font-weight: 700; line-height: 1.3; color: var(--color-text); margin-bottom: 1rem; }
        .article-meta { display: flex; flex-wrap: wrap; gap: 1.2rem; font-size: 0.9rem; color: var(--color-text-light); align-items: center; }
        .article-meta .badge { background: var(--color-secondary); color: #fff; padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.75rem; }
        .article-meta .dot { color: #ddd; }
        .article-content { font-size: 1.05rem; line-height: 1.9; color: #2c2c2c; }
        .article-content h2 { font-size: 1.5rem; margin: 2rem 0 1rem; font-weight: 700; color: var(--color-text); border-left: 4px solid var(--color-primary); padding-left: 1rem; }
        .article-content h3 { font-size: 1.2rem; margin: 1.6rem 0 0.8rem; font-weight: 600; color: var(--color-text); }
        .article-content p { margin-bottom: 1.4rem; }
        .article-content img { margin: 1.5rem auto; border-radius: var(--radius); box-shadow: var(--shadow); }
        .article-content blockquote { border-left: 4px solid var(--color-primary); background: #fef5f0; padding: 1rem 1.5rem; margin: 1.5rem 0; border-radius: 0 var(--radius) var(--radius) 0; color: #555; }
        .article-content ul, .article-content ol { margin: 1rem 0 1.5rem 1.5rem; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content a { font-weight: 500; }

        /* 相关推荐 */
        .related-section { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid #e8e8e8; }
        .related-section h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.5rem; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
        .related-card { background: var(--color-card-bg); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; transition: var(--transition); display: flex; gap: 1rem; align-items: flex-start; }
        .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .related-card img { width: 120px; height: 80px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
        .related-card .info { flex: 1; }
        .related-card .info h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.3rem; }
        .related-card .info h4 a { color: var(--color-text); text-decoration: none; }
        .related-card .info h4 a:hover { color: var(--color-primary); }
        .related-card .info p { font-size: 0.8rem; color: var(--color-text-light); line-height: 1.4; margin: 0; }
        .btn-back { display: inline-flex; align-items: center; gap: 0.5rem; border: 2px solid var(--color-primary); color: var(--color-primary); background: transparent; padding: 0.6rem 1.6rem; border-radius: var(--radius); font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: var(--transition); text-decoration: none; margin-top: 1.5rem; }
        .btn-back:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

        /* 文章未找到 */
        .not-found { text-align: center; padding: 4rem 2rem; }
        .not-found i { font-size: 3rem; color: #ddd; margin-bottom: 1rem; }
        .not-found h2 { font-size: 1.6rem; color: var(--color-text); margin-bottom: 0.5rem; }
        .not-found p { color: var(--color-text-light); margin-bottom: 1.5rem; }
        .not-found a { color: var(--color-primary); font-weight: 600; }

        /* 页脚 */
        .site-footer { background: var(--color-secondary); color: rgba(255,255,255,0.85); padding: 3rem 0 0; margin-top: 3rem; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2rem; }
        .footer-logo { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.5rem; }
        .footer-logo i { color: var(--color-primary); }
        .footer-brand p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 1rem; opacity: 0.8; }
        .footer-social { display: flex; gap: 0.8rem; }
        .footer-social a { color: rgba(255,255,255,0.7); font-size: 1.2rem; transition: var(--transition); }
        .footer-social a:hover { color: var(--color-primary); transform: translateY(-2px); }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 0.5rem; }
        .footer-col ul li a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.85rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--color-primary); }
        .contact-info li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; opacity: 0.8; }
        .contact-info i { width: 1rem; color: var(--color-primary); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 1.2rem 0; margin-top: 2rem; text-align: center; font-size: 0.8rem; opacity: 0.6; }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .related-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-center { flex-wrap: wrap; justify-content: space-between; padding: 0.6rem 0; }
            .nav-center .nav-links { display: none; width: 100%; flex-direction: column; gap: 0.5rem; padding: 0.8rem 0; }
            .nav-center .nav-links.show { display: flex; }
            .nav-center a { width: 100%; text-align: center; }
            .menu-toggle { display: block; }
            .article-header h1 { font-size: 1.6rem; }
            .article-wrapper { padding: 1.2rem 0 2rem; }
            .related-grid { grid-template-columns: 1fr; }
            .related-card { flex-direction: column; }
            .related-card img { width: 100%; height: 140px; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .article-meta { flex-direction: column; gap: 0.3rem; align-items: flex-start; }
            .article-content { font-size: 0.95rem; }
        }

/* roulang page: category1 */
/* ===== CSS 设计变量 ===== */
        :root {
            --color-primary: #EA5E2A;
            --color-primary-dark: #d14e1e;
            --color-primary-light: #f07844;
            --color-secondary: #2B3A4A;
            --color-secondary-dark: #1e2a36;
            --color-secondary-light: #3d5066;
            --color-bg: #F8F9FA;
            --color-card-bg: #FFFFFF;
            --color-accent: #F9A825;
            --color-text: #1E1E1E;
            --color-text-light: #6C757D;
            --color-text-lighter: #adb5bd;
            --color-border: #e9ecef;
            --color-border-light: #f1f3f5;
            --font-family: 'Noto Sans SC', 'SiYuan Hei', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.15);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

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

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: var(--color-text);
        }

        p {
            margin-top: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            z-index: 1000;
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-secondary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .header-logo i {
            color: var(--color-primary);
            font-size: 26px;
        }

        .header-logo span {
            color: var(--color-primary);
        }

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

        .nav-center a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: var(--transition);
            position: relative;
        }

        .nav-center a:hover {
            color: var(--color-primary);
            background: rgba(234, 94, 42, 0.06);
        }

        .nav-center a.active {
            color: var(--color-primary);
            background: rgba(234, 94, 42, 0.1);
            font-weight: 600;
        }

        .nav-center a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
        }

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

        .btn-login {
            padding: 10px 28px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-login:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(234, 94, 42, 0.3);
        }

        .btn-login i {
            font-size: 16px;
        }

        /* 汉堡菜单（移动端） */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            gap: 5px;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--color-secondary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-height));
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 24px;
            z-index: 999;
            overflow-y: auto;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 500;
            color: var(--color-text);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(234, 94, 42, 0.06);
            color: var(--color-primary);
        }

        .mobile-menu a.active {
            background: rgba(234, 94, 42, 0.1);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-menu .btn-login-mobile {
            margin-top: 12px;
            padding: 14px 20px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-menu .btn-login-mobile:hover {
            background: var(--color-primary-dark);
        }

        /* ===== Hero 区域 ===== */
        .hero-section {
            padding: calc(var(--header-height) + 60px) 0 80px;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #1a2533 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 80px;
            background: var(--color-bg);
            clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 14px;
        }

        .hero-section h1 {
            font-size: 48px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .hero-section h1 span {
            color: var(--color-primary);
        }

        .hero-sub {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
            font-weight: 300;
        }

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

        .btn-hero-primary {
            padding: 16px 40px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(234, 94, 42, 0.35);
        }

        .btn-hero-outline {
            padding: 16px 40px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius);
            font-size: 17px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-outline:hover {
            border-color: var(--color-primary);
            background: rgba(234, 94, 42, 0.15);
            color: #fff;
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

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

        .hero-stat .num {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 80px 0;
        }

        .section-block-alt {
            background: var(--color-card-bg);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-header h2 .highlight {
            color: var(--color-primary);
        }

        .section-header p {
            font-size: 17px;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header .deco-line {
            display: inline-block;
            width: 50px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 2px;
            margin-top: 16px;
        }

        /* ===== 公司简介板块 ===== */
        .intro-grid {
            display: flex;
            gap: 48px;
            align-items: center;
        }

        .intro-text {
            flex: 1.2;
        }

        .intro-text .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            background: rgba(234, 94, 42, 0.08);
            color: var(--color-primary);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
        }

        .intro-text h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .intro-text p {
            font-size: 16px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .intro-text .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 8px;
        }

        .intro-text .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(234, 94, 42, 0.3);
        }

        .intro-image {
            flex: 0.8;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
        }

        /* ===== 时间线 / 发展历程 ===== */
        .timeline-section {
            background: var(--color-card-bg);
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-left: 64px;
            padding-bottom: 40px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 6px;
            width: 22px;
            height: 22px;
            background: var(--color-primary);
            border: 4px solid var(--color-card-bg);
            border-radius: 50%;
            box-shadow: 0 0 0 3px var(--color-primary);
            z-index: 1;
        }

        .timeline-item .year {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .timeline-item h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== 核心优势 ===== */
        .advantages-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 12px;
        }

        .advantage-card {
            flex: 1 1 calc(33.333% - 16px);
            min-width: 260px;
            background: var(--color-card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--color-border);
            text-align: center;
        }

        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(234, 94, 42, 0.15);
        }

        .advantage-card .icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(234, 94, 42, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 26px;
            color: var(--color-primary);
            transition: var(--transition);
        }

        .advantage-card:hover .icon {
            background: var(--color-primary);
            color: #fff;
        }

        .advantage-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .advantage-card p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== 团队介绍 ===== */
        .team-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: center;
        }

        .team-card {
            flex: 1 1 calc(25% - 21px);
            min-width: 220px;
            max-width: 260px;
            text-align: center;
            background: var(--color-card-bg);
            border-radius: var(--radius);
            padding: 32px 20px 24px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--color-border);
        }

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

        .team-card .avatar {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: var(--color-bg);
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: var(--color-text-light);
            border: 3px solid var(--color-border-light);
            transition: var(--transition);
            overflow: hidden;
        }

        .team-card:hover .avatar {
            border-color: var(--color-primary-light);
        }

        .team-card .avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .team-card .role {
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: 10px;
        }

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

        /* ===== 企业文化 / 价值观 ===== */
        .values-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .value-card {
            flex: 1 1 calc(50% - 12px);
            min-width: 280px;
            background: var(--color-card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-left: 4px solid var(--color-primary);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

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

        .value-card .num {
            font-size: 36px;
            font-weight: 900;
            color: var(--color-primary);
            opacity: 0.2;
            line-height: 1;
            flex-shrink: 0;
            min-width: 48px;
        }

        .value-card .content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .value-card .content p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

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

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 4px 0;
            user-select: none;
        }

        .faq-question h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 0;
            padding-right: 20px;
            flex: 1;
        }

        .faq-question .icon {
            font-size: 20px;
            color: var(--color-primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding-top: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 16px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #1a2533 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

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

        .btn-cta-primary {
            padding: 16px 40px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(234, 94, 42, 0.35);
        }

        .btn-cta-outline {
            padding: 16px 40px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius);
            font-size: 17px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-outline:hover {
            border-color: var(--color-primary);
            background: rgba(234, 94, 42, 0.15);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            flex: 1.5;
            min-width: 260px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo i {
            color: var(--color-primary);
        }

        .footer-brand>p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 14px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
            transition: var(--transition);
        }

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

        .footer-col {
            flex: 1;
            min-width: 160px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

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

        .footer-col .contact-info li i {
            width: 18px;
            color: var(--color-primary);
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .intro-grid {
                flex-direction: column;
                gap: 32px;
            }

            .intro-image img {
                height: 300px;
            }

            .team-card {
                flex: 1 1 calc(50% - 14px);
                max-width: none;
            }

            .advantage-card {
                flex: 1 1 calc(50% - 12px);
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .site-header .container {
                padding: 0 16px;
            }

            .nav-center {
                display: none;
            }

            .header-actions .btn-login {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero-section {
                padding: calc(var(--header-height) + 40px) 0 60px;
                min-height: auto;
            }

            .hero-section h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 17px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                justify-content: center;
                padding: 14px 32px;
            }

            .hero-stats {
                gap: 24px;
                margin-top: 32px;
            }

            .hero-stat .num {
                font-size: 28px;
            }

            .section-block {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .intro-text h2 {
                font-size: 26px;
            }

            .advantage-card {
                flex: 1 1 100%;
                padding: 24px 20px;
            }

            .team-card {
                flex: 1 1 100%;
                max-width: 300px;
            }

            .value-card {
                flex: 1 1 100%;
                flex-direction: column;
                gap: 12px;
                min-width: auto;
            }

            .value-card .num {
                font-size: 28px;
            }

            .timeline-item {
                padding-left: 48px;
                padding-bottom: 28px;
            }

            .timeline::before {
                left: 16px;
            }

            .timeline-item::before {
                left: 6px;
                width: 18px;
                height: 18px;
            }

            .cta-section {
                padding: 48px 0;
            }

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

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-cta-primary,
            .btn-cta-outline {
                justify-content: center;
            }

            .footer-grid {
                flex-direction: column;
                gap: 32px;
            }

            .footer-brand {
                min-width: auto;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-section h1 {
                font-size: 26px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .intro-text h2 {
                font-size: 22px;
            }

            .intro-text p {
                font-size: 15px;
            }

            .intro-image img {
                height: 220px;
            }

            .advantage-card {
                padding: 20px 16px;
            }

            .value-card {
                padding: 24px 20px;
            }

            .faq-question h4 {
                font-size: 15px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }

        .mt-12 {
            margin-top: 12px;
        }

        .mb-12 {
            margin-bottom: 12px;
        }

        .gap-8 {
            gap: 8px;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--color-text-lighter);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-text-light);
        }

        /* ===== 选中文本 ===== */
        ::selection {
            background: var(--color-primary);
            color: #fff;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #EA5E2A;
            --color-primary-dark: #d14e1e;
            --color-secondary: #2B3A4A;
            --color-bg: #F8F9FA;
            --color-card-bg: #FFFFFF;
            --color-accent: #F9A825;
            --color-text: #1E1E1E;
            --color-text-light: #6C757D;
            --font-family: 'Noto Sans SC', 'SiYuan Hei', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius: 12px;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 6px 24px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        ul,
        ol {
            padding: 0;
            margin: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0 0 0.5em 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 15px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .header-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .header-logo i {
            color: var(--color-primary);
            font-size: 1.6rem;
        }

        .header-logo span {
            color: var(--color-primary);
        }

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

        .nav-center a {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: var(--transition);
            position: relative;
        }

        .nav-center a:hover {
            color: var(--color-primary);
            background: rgba(234, 94, 42, 0.06);
        }

        .nav-center a.active {
            color: #fff;
            background: var(--color-primary);
        }

        .nav-center a.active::after {
            display: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            padding: 10px 24px;
            border-radius: var(--radius);
            background: var(--color-primary);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(234, 94, 42, 0.3);
        }

        .btn-login i {
            font-size: 1rem;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: none;
            border: none;
        }

        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--color-secondary);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* 移动端导航面板 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 999;
        }

        .mobile-nav-panel {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            padding: 20px 24px 32px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            border-radius: 0 0 16px 16px;
            transform: translateY(-110%);
            transition: transform 0.35s ease;
            z-index: 1000;
        }

        .mobile-nav-panel.open {
            transform: translateY(0);
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 16px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-nav-panel a:hover {
            background: rgba(234, 94, 42, 0.06);
            color: var(--color-primary);
        }

        .mobile-nav-panel a.active {
            background: var(--color-primary);
            color: #fff;
        }

        .mobile-nav-panel .btn-login-mobile {
            margin-top: 16px;
            width: 100%;
            justify-content: center;
            padding: 14px;
            border-radius: var(--radius);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-nav-panel .btn-login-mobile:hover {
            background: var(--color-primary-dark);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #1a2a38 100%);
            padding: 100px 0 90px;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 80px;
            background: var(--color-bg);
            clip-path: polygon(0 60%, 100% 0, 100% 100%, 0% 100%);
            z-index: 1;
        }

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

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .page-hero h1 i {
            color: var(--color-accent);
            margin-right: 10px;
        }

        .page-hero .hero-sub {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        .page-hero .btn-primary-lg {
            padding: 16px 40px;
            border-radius: var(--radius);
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .page-hero .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(234, 94, 42, 0.35);
        }

        .page-hero .btn-outline-lg {
            padding: 16px 40px;
            border-radius: var(--radius);
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .page-hero .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--color-card-bg);
        }

        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--color-primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }

        .section-title p {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 640px;
            margin: 16px auto 0;
        }

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

        .section-title-left h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-secondary);
            padding-left: 20px;
            border-left: 5px solid var(--color-primary);
            margin-bottom: 12px;
        }

        .section-title-left p {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin-top: 8px;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(234, 94, 42, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .card:hover .card-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 10px;
        }

        .card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--color-secondary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .badge-accent {
            background: var(--color-accent);
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            padding: 12px 28px;
            border-radius: var(--radius);
            background: var(--color-primary);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(234, 94, 42, 0.3);
        }

        .btn-outline {
            padding: 12px 28px;
            border-radius: var(--radius);
            background: transparent;
            color: var(--color-primary) !important;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff !important;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            color: #fff !important;
        }

        /* ===== 服务卡片网格 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .service-card .s-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(234, 94, 42, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--color-primary);
            margin: 0 auto 18px;
            transition: var(--transition);
        }

        .service-card:hover .s-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-card .badge {
            font-size: 0.75rem;
        }

        /* ===== 图文区块 ===== */
        .image-text-block {
            display: flex;
            gap: 50px;
            align-items: center;
        }

        .image-text-block.reverse {
            flex-direction: row-reverse;
        }

        .image-text-block .text-col {
            flex: 1;
        }

        .image-text-block .image-col {
            flex: 1;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--color-card-bg);
        }

        .image-text-block .image-col img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
        }

        .image-text-block .text-col h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 16px;
        }

        .image-text-block .text-col p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .image-text-block .text-col ul {
            margin: 16px 0 20px;
            padding: 0;
            list-style: none;
        }

        .image-text-block .text-col ul li {
            padding: 6px 0 6px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .image-text-block .text-col ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 28px 16px;
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-number span {
            font-size: 1.4rem;
        }

        .stat-label {
            font-size: 1rem;
            color: var(--color-text-light);
            margin-top: 8px;
        }

        /* ===== 流程 ===== */
        .process-steps {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .process-step {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
            text-align: center;
            position: relative;
            padding: 28px 16px 20px;
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            counter-increment: step;
        }

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

        .process-step::before {
            content: counter(step);
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(234, 94, 42, 0.3);
        }

        .process-step .step-icon {
            font-size: 2rem;
            color: var(--color-secondary);
            margin-bottom: 12px;
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .process-arrow {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            color: var(--color-primary);
            opacity: 0.4;
            padding: 0 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 14px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: rgba(234, 94, 42, 0.04);
        }

        .faq-question .faq-toggle {
            font-size: 1.2rem;
            color: var(--color-primary);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
            display: none;
        }

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

        /* ===== CTA 区块 ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #1a2a38 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-block h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
        }

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

        .cta-block .btn-primary-lg {
            padding: 16px 44px;
            border-radius: var(--radius);
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-block .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(234, 94, 42, 0.35);
        }

        .cta-block .btn-outline-light {
            padding: 16px 44px;
            border-radius: var(--radius);
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-block .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        /* ===== 适用场景 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

        .scene-card .scene-img {
            height: 200px;
            background: var(--color-secondary);
            position: relative;
            overflow: hidden;
        }

        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-card .scene-img .scene-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px 20px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
        }

        .scene-card .scene-img .scene-overlay .badge {
            background: var(--color-accent);
            font-size: 0.75rem;
        }

        .scene-card .scene-body {
            padding: 20px 20px 24px;
        }

        .scene-card .scene-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 8px;
        }

        .scene-card .scene-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== 客户案例 ===== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--color-card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

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

        .case-card .case-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(234, 94, 42, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--color-primary);
            margin: 0 auto 16px;
            font-weight: 700;
        }

        .case-card .case-quote {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
            font-style: italic;
            margin-bottom: 16px;
            position: relative;
            padding: 0 8px;
        }

        .case-card .case-quote::before {
            content: '"';
            font-size: 2.4rem;
            color: var(--color-primary);
            opacity: 0.3;
            position: absolute;
            top: -12px;
            left: -4px;
            font-style: normal;
        }

        .case-card .case-client {
            font-weight: 700;
            color: var(--color-secondary);
            font-size: 0.95rem;
        }

        .case-card .case-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #1a2a38 100%);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-logo i {
            color: var(--color-primary);
        }

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 360px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 14px;
        }

        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }

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

        .site-footer .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .contact-info li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

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

        .site-footer .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 16px 0;
            font-size: 0.88rem;
            color: var(--color-text-light);
            background: var(--color-bg);
        }

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

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

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        .breadcrumb .sep {
            margin: 0 8px;
            color: #bbb;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .image-text-block {
                flex-direction: column;
            }

            .image-text-block.reverse {
                flex-direction: column;
            }

            .image-text-block .image-col img {
                height: 280px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }

            .site-header {
                height: 64px;
            }

            .header-logo {
                font-size: 1.2rem;
            }

            .nav-center {
                display: none;
            }

            .header-actions .btn-login {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .page-hero {
                padding: 60px 0 70px;
                min-height: 300px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero .hero-sub {
                font-size: 1rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-title h2 {
                font-size: 1.6rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .case-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .process-steps {
                flex-direction: column;
                align-items: center;
            }

            .process-step {
                max-width: 100%;
                width: 100%;
            }

            .process-arrow {
                transform: rotate(90deg);
                padding: 4px 0;
            }

            .image-text-block .text-col h2 {
                font-size: 1.4rem;
            }

            .image-text-block .image-col img {
                height: 220px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-block h2 {
                font-size: 1.6rem;
            }

            .cta-block p {
                font-size: 0.95rem;
            }

            .section-title-left h2 {
                font-size: 1.4rem;
            }

            .faq-question {
                font-size: 0.95rem;
                padding: 16px 18px;
            }

            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-sub {
                font-size: 0.9rem;
            }

            .page-hero .btn-primary-lg,
            .page-hero .btn-outline-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-item {
                padding: 18px 12px;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .stat-label {
                font-size: 0.85rem;
            }

            .card {
                padding: 20px 16px;
            }

            .service-card {
                padding: 24px 18px;
            }

            .section-title h2 {
                font-size: 1.3rem;
            }

            .cta-block .btn-primary-lg,
            .cta-block .btn-outline-light {
                padding: 14px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }

            .cta-block .cta-actions {
                flex-direction: column;
                gap: 12px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
        }

        /* 移动端菜单开启时 */
        .mobile-nav-active .mobile-nav-overlay {
            display: block;
        }

        .mobile-nav-active .mobile-nav-panel {
            transform: translateY(0);
        }