/* roulang page: index */
:root{
            --purple:#2d2144;
            --purple-deep:#211832;
            --berry:#70456f;
            --amber:#e59a42;
            --amber-light:#f4c878;
            --jade:#6c9d8c;
            --paper:#fbf5e9;
            --cream:#f4ead9;
            --ink:#30263a;
            --muted:#796d78;
            --line:#e7d8c2;
            --white:#fffdf8;
            --shadow:0 18px 50px rgba(61,39,55,.12);
            --soft-shadow:0 8px 24px rgba(61,39,55,.09);
            --radius:18px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
            line-height:1.75;
            font-size:15px;
        }
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input,select{font:inherit}
        .container{max-width:1220px}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(45,33,68,.98);
            border-bottom:1px solid rgba(244,200,120,.28);
            box-shadow:0 5px 20px rgba(27,17,38,.14);
        }
        .navbar{padding:14px 0}
        .brand{
            display:flex;align-items:center;gap:11px;
            color:#fff9ec!important;font-weight:800;letter-spacing:.03em;
            font-size:18px;white-space:nowrap
        }
        .brand-mark{
            width:35px;height:35px;border:1px solid var(--amber-light);
            border-radius:11px 5px 11px 5px;display:grid;place-items:center;
            color:var(--amber-light);font-size:18px;transform:rotate(-8deg)
        }
        .nav-link{
            color:rgba(255,250,240,.78)!important;
            font-size:14px;padding:8px 13px!important;border-radius:9px
        }
        .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(229,154,66,.16)}
        .navbar-toggler{border-color:rgba(255,255,255,.3)}
        .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(244,200,120,.25)}
        .nav-cta,.btn-amber{
            background:var(--amber);color:var(--purple-deep)!important;
            border:1px solid var(--amber);font-weight:800;border-radius:10px;
            padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;
            transition:.25s ease;box-shadow:0 6px 14px rgba(229,154,66,.2)
        }
        .nav-cta:hover,.btn-amber:hover{background:var(--amber-light);border-color:var(--amber-light);transform:translateY(-2px)}
        .btn-amber:active,.nav-cta:active{transform:translateY(0)}
        .btn-outline{
            border:1px solid var(--purple);color:var(--purple);border-radius:10px;
            padding:10px 18px;font-weight:700;display:inline-flex;align-items:center;justify-content:center
        }
        .btn-outline:hover{background:var(--purple);color:#fff;transform:translateY(-2px)}
        .btn-jade{background:var(--jade);color:#fff;border:0;border-radius:9px;padding:8px 14px;font-weight:700}
        .btn-jade:hover{background:#568374;color:#fff;transform:translateY(-2px)}
        .hero{
            min-height:650px;padding:94px 0 68px;position:relative;overflow:hidden;
            background:linear-gradient(90deg,rgba(36,24,53,.96) 0%,rgba(45,33,68,.84) 46%,rgba(45,33,68,.4) 100%),url('/assets/images/2ede554fcd9b9b98.jpg') center/cover;
            color:#fff8e9;
        }
        .hero:after{
            content:"";position:absolute;inset:auto 0 0;height:90px;
            background:linear-gradient(transparent,var(--paper));opacity:.85
        }
        .hero-content{position:relative;z-index:1}
        .eyebrow,.section-kicker{
            color:var(--amber-light);font-size:12px;letter-spacing:.2em;font-weight:800;
            text-transform:uppercase
        }
        .hero h1{font-size:clamp(36px,5vw,62px);line-height:1.18;margin:18px 0 22px;max-width:760px;letter-spacing:-.04em}
        .hero-copy{max-width:690px;font-size:17px;color:rgba(255,248,233,.82);margin-bottom:30px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero .btn-outline{border-color:rgba(255,255,255,.55);color:#fff8e9}
        .hero .btn-outline:hover{background:#fff8e9;color:var(--purple)}
        .seal-panel{
            margin-top:42px;padding:17px 20px;border:1px solid rgba(244,200,120,.35);
            background:rgba(33,24,50,.58);border-radius:15px;display:flex;gap:26px;flex-wrap:wrap;
            max-width:760px
        }
        .seal-panel strong{display:block;color:var(--amber-light);font-size:18px}
        .seal-panel span{font-size:12px;color:rgba(255,255,255,.68)}
        .hero-cover{
            position:absolute;right:7%;top:105px;width:310px;height:410px;
            border:12px solid rgba(244,200,120,.76);border-radius:26px 7px 26px 7px;
            box-shadow:0 22px 60px rgba(15,10,26,.35);transform:rotate(5deg);
            overflow:hidden;background:#4a345d
        }
        .hero-cover img{width:100%;height:100%;object-fit:cover;opacity:.83}
        .cover-label{position:absolute;left:18px;bottom:18px;right:18px;background:rgba(35,24,49,.83);padding:13px;border-left:3px solid var(--amber)}
        .cover-label b{display:block;font-size:18px}.cover-label small{color:#edcf9c}
        .section{padding:88px 0;position:relative}
        .section-alt{background:var(--cream)}
        .section-dark{background:var(--purple-deep);color:#fff8ea}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:38px}
        .section-heading h2{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
        .section-heading p{max-width:580px;color:var(--muted);margin:0}
        .section-dark .section-heading p{color:rgba(255,248,234,.7)}
        .metrics{margin-top:-28px;position:relative;z-index:3}
        .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
        .metric{padding:25px 24px;border-right:1px solid var(--line)}
        .metric:last-child{border:0}.metric strong{font-size:27px;color:var(--purple);display:block}.metric span{font-size:13px;color:var(--muted)}
        .matrix{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:16px}
        .matrix-card{padding:27px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow);min-height:190px}
        .matrix-card.tall{min-height:250px;background:var(--purple);color:#fff8e9}
        .matrix-num{color:var(--amber);font-weight:800;letter-spacing:.12em;font-size:12px}
        .matrix-card h3{font-size:21px;margin:18px 0 8px}.matrix-card p{color:var(--muted);font-size:14px}.tall p{color:rgba(255,248,233,.7)}
        .icon-ring{width:42px;height:42px;border:1px solid var(--amber);border-radius:50%;display:grid;place-items:center;color:var(--amber);font-weight:800}
        .scene-grid{display:grid;grid-template-columns:1.35fr .8fr .95fr;grid-template-rows:190px 190px;gap:16px}
        .scene-card{position:relative;overflow:hidden;border-radius:16px;min-height:190px;background:var(--purple);color:#fff}
        .scene-card:first-child{grid-row:span 2}
        .scene-card img{width:100%;height:100%;object-fit:cover;opacity:.65;transition:.4s}
        .scene-card:hover img{transform:scale(1.05);opacity:.8}
        .scene-info{position:absolute;inset:auto 0 0;padding:22px;background:linear-gradient(transparent,rgba(26,17,35,.9))}
        .scene-info h3{font-size:20px;margin:0 0 3px}.scene-info small{color:#f2cc93}
        .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .compare-card{padding:33px;border-radius:20px;border:1px solid var(--line);background:var(--white);position:relative;overflow:hidden}
        .compare-card.featured{background:var(--purple);color:#fff8e9;border-color:var(--purple)}
        .compare-card:before{content:"";position:absolute;right:-35px;top:-35px;width:120px;height:120px;border:1px solid var(--amber);border-radius:50%;opacity:.45}
        .compare-card h3{font-size:24px;margin:13px 0}.compare-card p{color:var(--muted)}.featured p{color:rgba(255,248,233,.72)}
        .check-list{list-style:none;padding:0;margin:20px 0 0}.check-list li{padding:9px 0;border-bottom:1px dashed var(--line)}.check-list li:last-child{border:0}
        .check-list li:before{content:"✦";color:var(--amber);margin-right:10px}
        .timeline{position:relative;max-width:900px;margin:auto}.timeline:before{content:"";position:absolute;left:19px;top:10px;bottom:10px;width:1px;background:#cda668}
        .timeline-item{display:flex;gap:25px;position:relative;margin-bottom:27px}.timeline-item:last-child{margin-bottom:0}
        .timeline-dot{width:39px;height:39px;flex:0 0 39px;border:1px solid var(--amber);background:var(--purple-deep);border-radius:50%;display:grid;place-items:center;color:var(--amber);z-index:1}
        .timeline-content{padding:18px 22px;background:rgba(255,255,255,.08);border:1px solid rgba(244,200,120,.22);border-radius:12px;flex:1}
        .timeline-content small{color:var(--amber-light)}.timeline-content h3{margin:4px 0;font-size:19px}.timeline-content p{margin:0;color:rgba(255,248,233,.68)}
        .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
        .news-feature{background:var(--white);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--soft-shadow)}
        .news-feature img{height:225px;width:100%;object-fit:cover}.news-feature-content{padding:25px}.news-feature h3{font-size:24px;margin:8px 0}.news-feature p,.news-item p{color:var(--muted);margin:5px 0 0;font-size:14px}
        .tag{display:inline-block;padding:4px 10px;background:#e6f0e9;color:#477c69;border-radius:20px;font-size:12px;font-weight:700}
        .news-list{display:flex;flex-direction:column;gap:12px}.news-item{padding:18px 20px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:88px 1fr;gap:14px}.news-item:first-child{border-top:1px solid var(--line)}
        .news-date{color:var(--berry);font-size:13px;font-weight:800;padding-top:3px}.news-item h3{font-size:17px;margin:0}
        .topic-rail{display:flex;gap:16px;overflow:auto;padding-bottom:12px}.topic-card{min-width:245px;padding:25px;background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:var(--soft-shadow)}.topic-card:nth-child(2){transform:translateY(16px)}.topic-card h3{font-size:20px;margin:14px 0 7px}.topic-card p{color:var(--muted);font-size:14px}
        .assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.assurance-item{padding:22px;border:1px solid rgba(244,200,120,.22);border-radius:14px;background:rgba(255,255,255,.06)}.assurance-item b{display:block;color:var(--amber-light);margin:10px 0 4px}.assurance-item span{font-size:13px;color:rgba(255,248,233,.68)}
        .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-item{padding:21px;background:var(--white);border:1px solid var(--line);border-radius:14px}.quick-item strong{display:block;color:var(--purple);margin-bottom:7px}.quick-item span{font-size:13px;color:var(--muted)}
        .faq-wrap{max-width:900px;margin:auto}.accordion-item{background:var(--white);border:1px solid var(--line)!important;margin-bottom:12px;border-radius:13px!important;overflow:hidden}.accordion-button{background:var(--white);color:var(--ink);font-weight:700;padding:19px 22px;box-shadow:none!important}.accordion-button:not(.collapsed){background:#f4ead9;color:var(--purple)}.accordion-body{color:var(--muted);padding:0 22px 20px}
        .subscribe{background:var(--purple);color:#fff8ea;border-radius:24px;padding:45px;position:relative;overflow:hidden}.subscribe:after{content:"✦";position:absolute;right:7%;top:18%;font-size:150px;color:rgba(244,200,120,.12)}.subscribe h2{font-size:32px;margin:8px 0 12px}.subscribe p{color:rgba(255,248,234,.72);max-width:600px}.subscribe-form{display:flex;gap:10px;max-width:680px;position:relative;z-index:1}.subscribe-form input{flex:1;border:0;border-radius:10px;padding:12px 15px;background:#fffdf8;color:var(--ink);outline:none}.subscribe-form input:focus{box-shadow:0 0 0 4px rgba(244,200,120,.3)}
        .site-footer{background:#211832;color:rgba(255,248,234,.7);padding:55px 0 25px;border-top:1px solid rgba(244,200,120,.2)}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}.site-footer h3{color:#fff8ea;font-size:18px}.site-footer p{font-size:14px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:7px 0}.footer-links a:hover{color:var(--amber-light)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
        :focus-visible{outline:3px solid rgba(229,154,66,.65);outline-offset:3px}
        @media (max-width:1199px){.hero-cover{right:3%;width:270px;height:360px}.hero h1{max-width:620px}.scene-grid{grid-template-columns:1fr 1fr}.scene-card:first-child{grid-row:span 2}}
        @media (max-width:991px){.hero{padding-top:72px}.hero-cover{position:relative;right:auto;top:auto;margin:45px auto 0;transform:rotate(3deg);width:260px;height:320px}.matrix{grid-template-columns:1fr 1fr}.assurance,.quick-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.nav-cta{margin-top:10px}}
        @media (max-width:767px){.section{padding:62px 0}.section-heading{display:block}.section-heading p{margin-top:15px}.metric-grid{grid-template-columns:1fr 1fr}.metric{padding:19px 15px}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.matrix,.compare,.news-layout{grid-template-columns:1fr}.matrix-card.tall{min-height:200px}.scene-grid{display:flex;overflow:auto}.scene-card,.scene-card:first-child{min-width:270px;height:250px;min-height:250px}.scene-card:first-child{grid-row:auto}.timeline-item{gap:15px}.subscribe{padding:32px 24px}.subscribe-form{display:block}.subscribe-form input{width:100%;margin-bottom:10px}.subscribe-form .btn-amber{width:100%}.footer-grid{grid-template-columns:1fr 1fr}}
        @media (max-width:520px){body{font-size:14px}.navbar{padding:11px 0}.brand{font-size:16px}.hero{min-height:auto;padding:58px 0 55px}.hero h1{font-size:37px}.hero-copy{font-size:15px}.hero-actions a{width:100%}.hero-cover{width:220px;height:275px}.metric-grid{grid-template-columns:1fr}.metric{border-right:0!important;border-bottom:1px solid var(--line)!important}.metric:last-child{border-bottom:0!important}.assurance,.quick-grid{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:4px}.topic-card{min-width:220px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* 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}