/* roulang page: index */
:root{
            --ink:#2e2335;--muted:#756b7b;--cream:#fcf8f4;--paper:#fffdfb;
            --wine:#8f315b;--coral:#ed765e;--peach:#ffd6c4;--lav:#c7b6e8;
            --line:#eadfe2;--dark:#241b2c;--shadow:0 18px 48px rgba(75,38,65,.12);
            --radius:22px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input,textarea,select{font:inherit}
        .container{max-width:1180px}
        .site-header{position:sticky;top:0;z-index:30;background:rgba(36,27,44,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.1)}
        .navbar{padding:15px 0}
        .brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:.02em}
        .brand:hover{color:var(--peach)}
        .brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(145deg,var(--coral),var(--lav));display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:0 8px 20px rgba(237,118,94,.28)}
        .nav-link{color:#d8cedc!important;margin:0 8px;font-size:14px;position:relative}
        .nav-link:after{content:"";position:absolute;left:8px;right:8px;bottom:2px;height:2px;background:var(--coral);transform:scaleX(0);transition:.25s}
        .nav-link:hover,.nav-link.active{color:#fff!important}
        .nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
        .nav-cta,.btn-main{background:var(--coral);color:#fff!important;border:0;border-radius:999px;padding:11px 21px;font-weight:700;box-shadow:0 9px 22px rgba(237,118,94,.22)}
        .nav-cta:hover,.btn-main:hover{background:#f28a72;transform:translateY(-2px)}
        .btn-soft{border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:999px;padding:10px 20px;font-weight:700}
        .btn-soft:hover{background:#fff;color:var(--dark)}
        .hero{min-height:670px;padding:92px 0 72px;background:linear-gradient(90deg,rgba(36,27,44,.96) 12%,rgba(36,27,44,.78) 56%,rgba(36,27,44,.42)),url('/assets/images/d7e7f3ed4e5611ed.jpg') center/cover;position:relative;overflow:hidden;color:#fff}
        .hero:after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;right:-110px;top:-120px;background:rgba(199,182,232,.22);filter:blur(5px)}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-weight:800;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        h1,h2,h3{line-height:1.25;font-weight:800;letter-spacing:-.03em}
        h1{font-size:clamp(40px,5vw,64px);max-width:760px;margin:20px 0}
        h2{font-size:clamp(29px,3.2vw,42px);margin:12px 0 18px}
        h3{font-size:20px;margin:0 0 10px}
        .hero-copy{max-width:650px;color:#e8dfe8;font-size:18px}
        .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
        .hero-panel{position:relative;z-index:2;margin-top:48px;display:flex;gap:14px;flex-wrap:wrap}
        .hero-chip{padding:13px 17px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);border-radius:15px;color:#f7eef5;font-size:14px}
        .hero-chip strong{display:block;color:#fff;font-size:21px}
        section{padding:94px 0}
        .section-head{max-width:700px;margin-bottom:38px}
        .section-head p{color:var(--muted);margin:0}
        .section-light{background:var(--paper)}
        .section-dark{background:var(--dark);color:#fff}
        .section-dark .section-head p{color:#cfc2d1}
        .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
        .feature-card,.info-card,.scene-card,.news-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 10px 30px rgba(75,38,65,.05);transition:.28s}
        .feature-card:hover,.info-card:hover,.scene-card:hover,.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
        .feature-card.large{grid-row:span 2;background:linear-gradient(145deg,#fff1e9,#f4e9fa)}
        .feature-card p,.info-card p,.scene-card p,.news-card p{color:var(--muted);font-size:14px;margin:0}
        .icon-box{width:46px;height:46px;border-radius:15px;background:var(--peach);color:var(--wine);display:grid;place-items:center;font-weight:800;margin-bottom:24px}
        .feature-card.large .icon-box{background:var(--wine);color:#fff}
        .tag{display:inline-block;border-radius:999px;background:#f5e8ee;color:var(--wine);padding:5px 11px;font-size:12px;font-weight:800;margin-bottom:15px}
        .text-link{display:inline-block;color:var(--wine);font-size:14px;font-weight:800;margin-top:18px}
        .text-link:hover{color:var(--coral);padding-left:4px}
        .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.16);border-radius:20px;overflow:hidden}
        .metric{padding:27px 24px;background:rgba(255,255,255,.05)}
        .metric strong{display:block;font-size:32px;color:var(--peach);margin-bottom:5px}
        .metric span{color:#d7cbd8;font-size:14px}
        .status-line{height:6px;background:#4a3b4d;border-radius:99px;margin-top:17px;overflow:hidden}
        .status-line i{display:block;height:100%;width:82%;background:linear-gradient(90deg,var(--coral),var(--lav));border-radius:inherit}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
        .step{position:relative;padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:20px}
        .step-no{font-size:13px;color:var(--coral);font-weight:900;letter-spacing:.12em;margin-bottom:25px}
        .step p{color:var(--muted);font-size:14px;margin:0}
        .scene-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
        .scene-card{min-height:225px;position:relative;overflow:hidden;background-size:cover;background-position:center;color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
        .scene-card:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 20%,rgba(35,24,40,.86))}
        .scene-card>*{position:relative;z-index:1}
        .scene-card p{color:#eee}
        .scene-card.big{min-height:470px;background-image:url('/assets/images/3eb3e3f8f9074520.jpg')}
        .scene-side{display:grid;gap:20px}
        .scene-side .scene-card:first-child{background-image:url('/assets/images/097ad0bdb15add57.jpg')}
        .scene-side .scene-card:last-child{background-image:url('/assets/images/650c2a30d686d64e.jpg')}
        .news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}
        .news-feature{background:url('/assets/images/ec95b37fbb3a69ff.jpg') center/cover;min-height:350px;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;overflow:hidden;position:relative}
        .news-feature:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent,rgba(35,24,40,.9))}
        .news-feature>*{position:relative}
        .news-feature p{color:#eee;font-size:14px}
        .news-list{display:grid;gap:13px}
        .news-item{padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;display:flex;justify-content:space-between;gap:20px;align-items:center}
        .news-item:hover{border-color:var(--coral);transform:translateX(4px)}
        .news-item small{display:block;color:var(--coral);font-weight:800;margin-bottom:4px}
        .news-item span{color:var(--muted);font-size:13px}
        .support-band{background:#f4e9ef;border-radius:24px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .support-band p{color:var(--muted);margin:6px 0 0}
        .support-tags{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
        .support-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 15px;font-size:13px;font-weight:700;color:var(--wine)}
        .accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;margin-bottom:12px;background:#fff}
        .accordion-button{font-weight:800;color:var(--ink);background:#fff;padding:20px 22px;box-shadow:none!important}
        .accordion-button:not(.collapsed){color:var(--wine);background:#fff5f0}
        .accordion-button:focus{box-shadow:0 0 0 3px rgba(237,118,94,.18)!important}
        .accordion-body{color:var(--muted);padding:0 22px 22px;font-size:14px}
        .safety{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .safety-item{padding:21px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:17px}
        .safety-item strong{display:block;color:var(--peach);margin-bottom:7px}
        .safety-item p{color:#cfc2d1;font-size:13px;margin:0}
        .contact{background:linear-gradient(120deg,#3b263f,#7b345c);color:#fff}
        .contact-box{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
        .contact p{color:#eadce8}
        .form-panel{background:#fff;color:var(--ink);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
        .form-label{font-size:13px;font-weight:800;margin-bottom:7px}
        .form-control,.form-select{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}
        .form-control:focus,.form-select:focus{border-color:var(--coral);box-shadow:0 0 0 4px rgba(237,118,94,.14)}
        .site-footer{background:#201827;color:#d5c8d5;padding:55px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px;padding-bottom:36px}
        .footer-title{color:#fff;font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:7px;font-size:14px}
        .footer-links a:hover{color:var(--peach)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:13px;display:flex;justify-content:space-between;gap:20px}
        .back-top{color:var(--peach);font-weight:700}
        @media(max-width:992px){
            .feature-grid,.scene-wrap,.news-layout,.contact-box{grid-template-columns:1fr}
            .metrics,.safety{grid-template-columns:repeat(2,1fr)}
            .steps{grid-template-columns:repeat(2,1fr)}
            .scene-card.big{min-height:330px}
            .navbar-collapse{padding:18px 0}
            .nav-cta{display:inline-block;margin-top:10px}
        }
        @media(max-width:576px){
            .hero{padding:72px 0 55px;min-height:auto}
            section{padding:68px 0}
            .hero-copy{font-size:16px}
            .hero-actions .btn-main,.hero-actions .btn-soft{width:100%;text-align:center}
            .metrics,.safety,.steps{grid-template-columns:1fr}
            .feature-card{padding:22px}
            .support-band{display:block;padding:25px}
            .support-tags{justify-content:flex-start;margin-top:20px}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-top:10px}
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}