/* roulang page: index */
:root{
      --primary:#7257ff;
      --primary-dark:#4930d8;
      --secondary:#00c2ff;
      --accent:#ffb84d;
      --ink:#12152b;
      --muted:#667085;
      --soft:#f5f7ff;
      --soft-2:#eef4ff;
      --line:rgba(18,21,43,.10);
      --white:#ffffff;
      --dark:#0b1027;
      --success:#20c997;
      --danger:#ff5a7a;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 10px 30px rgba(18,21,43,.08);
      --shadow:0 22px 60px rgba(50,48,120,.16);
      --shadow-hover:0 30px 72px rgba(50,48,120,.22);
      --container:1180px;
      --nav-h:78px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:118px}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 6% 4%, rgba(114,87,255,.16), transparent 30%),
        radial-gradient(circle at 88% 10%, rgba(0,194,255,.14), transparent 26%),
        linear-gradient(180deg,#fbfcff 0%,#f7f8ff 44%,#ffffff 100%);
      line-height:1.7;
      padding-bottom:86px;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(114,87,255,.2)}
    .container{max-width:var(--container)}
    .section{padding:86px 0}
    .section-tight{padding:64px 0}
    .section-head{max-width:760px;margin-bottom:34px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(114,87,255,.10);
      color:var(--primary-dark);
      font-size:14px;font-weight:800;margin-bottom:14px;
    }
    .section-title{
      font-size:clamp(28px,3vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      margin:0 0 14px;
      font-weight:900;
    }
    .section-desc{font-size:17px;color:var(--muted);margin:0}
    .text-muted-custom{color:var(--muted)}
    .gradient-text{
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }

    .site-header{
      position:sticky;top:0;z-index:1000;
      background:rgba(255,255,255,.80);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 10px 30px rgba(18,21,43,.04);
    }
    .navbar{min-height:var(--nav-h);padding:12px 0}
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 28px rgba(114,87,255,.28);
      flex:0 0 auto;
    }
    .navbar-brand{
      display:flex;align-items:center;gap:12px;
      font-weight:900;color:var(--ink)!important;letter-spacing:-.03em;
      white-space:normal;
    }
    .brand-name{font-size:18px;line-height:1.15}
    .brand-sub{display:block;font-size:12px;color:var(--muted);font-weight:700;letter-spacing:0;margin-top:2px}
    .navbar-toggler{
      border:1px solid var(--line);border-radius:14px;padding:9px 11px;background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(114,87,255,.16)}
    .nav-link{
      color:#29304d!important;font-weight:800;
      padding:10px 14px!important;border-radius:999px;
    }
    .nav-link.active,.nav-link:hover{
      color:var(--primary-dark)!important;background:rgba(114,87,255,.10);
    }
    .nav-cta{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;padding:11px 18px;
      color:#fff!important;font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 34px rgba(114,87,255,.28);
      border:0;
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff!important}
    .quick-search{
      width:210px;border:1px solid var(--line);border-radius:999px;
      padding:10px 14px 10px 38px;background:#fff;
      color:var(--ink);outline:none;
    }
    .search-wrap{position:relative}
    .search-wrap i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#98a2b3}
    .quick-search:focus{border-color:rgba(114,87,255,.55);box-shadow:0 0 0 4px rgba(114,87,255,.12)}
    .progress-nav{
      border-top:1px solid rgba(18,21,43,.06);
      background:rgba(255,255,255,.72);
      overflow:auto;
    }
    .step-track{
      display:flex;gap:12px;align-items:center;min-width:680px;padding:10px 0 14px;
    }
    .step-pill{
      flex:1;position:relative;
      display:flex;align-items:center;gap:10px;
      padding:10px 12px;border-radius:16px;
      background:rgba(245,247,255,.9);
      border:1px solid var(--line);
      color:#3b415f;font-weight:800;font-size:14px;
    }
    .step-pill span{
      width:26px;height:26px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-size:12px;flex:0 0 auto;
    }
    .step-pill:hover,.step-pill.active{background:#fff;box-shadow:var(--shadow-sm);transform:translateY(-1px)}

    .hero{padding:54px 0 78px}
    .bento{
      display:grid;
      grid-template-columns:1.55fr .9fr;
      grid-template-rows:auto auto;
      gap:22px;
    }
    .bento-main,.bento-card,.cta-strip{
      border:1px solid rgba(255,255,255,.65);
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
      overflow:hidden;
    }
    .bento-main{
      min-height:470px;padding:46px;
      position:relative;
      background:
        linear-gradient(135deg,rgba(255,255,255,.92),rgba(238,244,255,.85)),
        radial-gradient(circle at 80% 20%, rgba(0,194,255,.18), transparent 34%);
    }
    .hero-badge{
      display:inline-flex;align-items:center;gap:9px;
      border:1px solid rgba(114,87,255,.20);
      background:rgba(114,87,255,.10);
      color:var(--primary-dark);
      border-radius:999px;padding:8px 13px;
      font-weight:900;font-size:14px;margin-bottom:20px;
    }
    h1{
      font-size:clamp(38px,5.4vw,72px);
      line-height:1.02;
      letter-spacing:-.065em;
      margin:0 0 22px;
      font-weight:950;
      max-width:780px;
    }
    .hero-lead{
      max-width:720px;
      color:#4f5874;
      font-size:18px;
      margin:0 0 26px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
    .btn-modern{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border-radius:999px;padding:13px 20px;
      font-weight:900;border:1px solid transparent;
      transition:var(--ease);white-space:nowrap;
    }
    .btn-primary-modern{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 18px 40px rgba(114,87,255,.28);
    }
    .btn-primary-modern:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-outline-modern{
      color:var(--ink);background:#fff;border-color:var(--line);
      box-shadow:var(--shadow-sm);
    }
    .btn-outline-modern:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    .btn-soft-modern{
      color:var(--primary-dark);background:rgba(114,87,255,.10);border-color:rgba(114,87,255,.14)
    }
    .btn-soft-modern:hover{background:rgba(114,87,255,.16);transform:translateY(-2px)}
    .data-row{display:flex;gap:12px;flex-wrap:wrap}
    .data-badge{
      min-width:138px;padding:13px 15px;border-radius:18px;
      background:#fff;border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(18,21,43,.06);
    }
    .data-badge strong{display:block;font-size:22px;font-weight:950;color:var(--ink);line-height:1}
    .data-badge small{color:var(--muted);font-weight:700}
    .orbit{
      position:absolute;right:35px;bottom:30px;width:170px;height:170px;
      border-radius:50%;background:conic-gradient(from 180deg,var(--primary),var(--secondary),var(--accent),var(--primary));
      opacity:.16;filter:blur(.2px);
    }
    .mini-grid{
      display:grid;grid-template-columns:1fr 1fr;gap:10px;
      max-width:330px;margin-top:34px;
    }
    .mini-chip{
      display:flex;align-items:center;gap:8px;
      padding:10px;border-radius:15px;background:rgba(255,255,255,.74);
      border:1px solid rgba(18,21,43,.08);font-weight:800;color:#414966;font-size:14px;
    }
    .mini-chip i{color:var(--primary)}
    .bento-side{display:grid;gap:22px}
    .bento-card{padding:26px;min-height:224px}
    .bento-card .icon{
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(114,87,255,.16),rgba(0,194,255,.14));
      color:var(--primary);font-size:20px;margin-bottom:16px;
    }
    .bento-card h2,.bento-card h3{font-size:21px;font-weight:950;margin:0 0 10px;letter-spacing:-.03em}
    .bento-card p{color:var(--muted);margin:0}
    .status-list{display:grid;gap:10px;margin-top:16px}
    .status-item{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
    .status-item b{color:var(--ink)}
    .status-item span{color:var(--success);font-weight:900}
    .cta-strip{
      grid-column:1 / -1;
      padding:18px 24px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      background:linear-gradient(135deg,#111737,#1e2663 58%,#21556c);
      color:#fff;
    }
    .cta-strip p{margin:0;color:rgba(255,255,255,.78)}
    .cta-strip strong{font-size:18px}
    .cta-strip .btn-modern{background:#fff;color:var(--primary-dark);padding:11px 18px}
    .cta-strip .btn-modern:hover{color:#fff;background:var(--primary)}

    .feature-grid{
      display:grid;grid-template-columns:1.1fr .95fr .95fr;gap:18px;align-items:stretch;
    }
    .feature-card{
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:#fff;
      padding:28px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      position:relative;overflow:hidden;
    }
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .feature-card.large{
      background:linear-gradient(135deg,var(--primary),#4c68ff 55%,var(--secondary));
      color:#fff;
      min-height:310px;
    }
    .feature-card.large p,.feature-card.large .feature-list li{color:rgba(255,255,255,.82)}
    .feature-card h3{font-size:24px;font-weight:950;letter-spacing:-.04em;margin:0 0 12px}
    .feature-card p{color:var(--muted);margin:0 0 16px}
    .feature-icon{
      width:50px;height:50px;border-radius:18px;display:grid;place-items:center;
      background:rgba(114,87,255,.10);color:var(--primary);font-size:22px;margin-bottom:18px;
    }
    .feature-card.large .feature-icon{background:rgba(255,255,255,.18);color:#fff}
    .feature-list{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:10px}
    .feature-list li{display:flex;gap:10px;color:#4f5874;font-weight:700}
    .feature-list i{color:var(--success);margin-top:5px}
    .feature-card.large .feature-list i{color:#fff}

    .time-stage{
      border-radius:var(--radius-lg);
      background:#0e1431;
      color:#fff;
      padding:34px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .time-stage:before{
      content:"";position:absolute;inset:auto -80px -100px auto;width:260px;height:260px;
      background:radial-gradient(circle,rgba(0,194,255,.34),transparent 68%);
    }
    .time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px;position:relative}
    .time-card{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;padding:22px;
      transition:var(--ease);
    }
    .time-card:hover{background:rgba(255,255,255,.13);transform:translateY(-4px)}
    .time-card .time{font-size:28px;font-weight:950;letter-spacing:-.04em}
    .time-card .label{display:inline-flex;margin:12px 0;padding:6px 10px;border-radius:999px;background:rgba(255,184,77,.16);color:#ffd89a;font-weight:900;font-size:13px}
    .time-card p{margin:0;color:rgba(255,255,255,.72);font-size:15px}

    .news-wrap{
      display:grid;grid-template-columns:1.35fr .75fr;gap:24px;
    }
    .news-list,.recommend-panel,.form-card,.proof-card,.faq-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }
    .news-row{
      display:grid;grid-template-columns:130px 1fr auto;gap:18px;align-items:center;
      padding:22px 24px;border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-row:last-child{border-bottom:0}
    .news-row:hover{background:var(--soft);transform:translateX(4px)}
    .news-date{font-weight:950;color:var(--primary-dark)}
    .news-row h3{font-size:18px;font-weight:950;margin:0 0 5px;letter-spacing:-.02em}
    .news-row p{margin:0;color:var(--muted);font-size:14px}
    .state-badge{
      display:inline-flex;align-items:center;gap:7px;
      border-radius:999px;padding:7px 11px;
      background:rgba(32,201,151,.12);color:#079466;
      font-weight:900;font-size:13px;white-space:nowrap;
    }
    .recommend-panel{padding:24px}
    .recommend-item{
      padding:16px;border-radius:18px;border:1px solid var(--line);
      margin-top:12px;background:linear-gradient(180deg,#fff,var(--soft));
      transition:var(--ease);
    }
    .recommend-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
    .recommend-item b{display:block;margin-bottom:6px}
    .recommend-item span{color:var(--muted);font-size:14px}

    .guarantee-strip{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
      border-radius:var(--radius-lg);
      background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      padding:18px;
    }
    .guarantee-item{
      display:flex;align-items:center;gap:14px;
      padding:16px;border-radius:20px;background:var(--soft);
    }
    .guarantee-item i{
      width:42px;height:42px;display:grid;place-items:center;
      border-radius:15px;background:#fff;color:var(--primary);
      box-shadow:0 8px 18px rgba(18,21,43,.06);
    }
    .guarantee-item b{display:block}
    .guarantee-item span{display:block;color:var(--muted);font-size:13px}

    .proof-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}
    .proof-card{padding:28px}
    .kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
    .kpi{
      border-radius:20px;background:var(--soft);padding:18px;
      border:1px solid rgba(114,87,255,.10);
    }
    .kpi strong{display:block;font-size:34px;line-height:1;font-weight:950;color:var(--primary-dark)}
    .kpi span{font-size:14px;color:var(--muted);font-weight:700}
    .compare{
      display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;
    }
    .compare-box{
      border-radius:20px;padding:20px;border:1px solid var(--line);background:var(--soft);
    }
    .compare-box.after{
      background:linear-gradient(135deg,rgba(114,87,255,.12),rgba(0,194,255,.10));
      border-color:rgba(114,87,255,.22);
    }
    .compare-box h4{font-size:18px;font-weight:950;margin:0 0 12px}
    .compare-box ul{padding:0;margin:0;list-style:none;display:grid;gap:9px;color:var(--muted)}
    .compare-box li{display:flex;gap:8px}
    .compare-box i{margin-top:5px;color:var(--primary)}

    .faq-accordion .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:20px!important;
      overflow:hidden;
      margin-bottom:12px;
      box-shadow:0 8px 22px rgba(18,21,43,.04);
    }
    .faq-accordion .accordion-button{
      font-weight:950;color:var(--ink);background:#fff;
      padding:18px 20px;border:0;
    }
    .faq-accordion .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:linear-gradient(90deg,rgba(114,87,255,.10),rgba(0,194,255,.06));
      box-shadow:none;
    }
    .faq-accordion .accordion-button:focus{box-shadow:0 0 0 4px rgba(114,87,255,.14)}
    .faq-accordion .accordion-body{color:var(--muted);padding:0 20px 20px}

    .form-section{
      background:
        linear-gradient(135deg,rgba(114,87,255,.10),rgba(0,194,255,.08)),
        #fff;
    }
    .form-card{padding:30px}
    .form-control,.form-select{
      border-radius:16px;border:1px solid var(--line);
      padding:13px 15px;background:#fff;
    }
    .form-control:focus,.form-select:focus{
      border-color:rgba(114,87,255,.55);
      box-shadow:0 0 0 4px rgba(114,87,255,.12);
    }
    .form-label{font-weight:900;color:#303653}
    .form-hint{font-size:14px;color:var(--muted);margin-top:10px}
    .contact-panel{
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#121735,#2d2672 56%,#126078);
      color:#fff;padding:30px;height:100%;
      box-shadow:var(--shadow);
    }
    .contact-panel p{color:rgba(255,255,255,.76)}
    .contact-method{
      display:flex;gap:14px;align-items:flex-start;
      padding:16px 0;border-top:1px solid rgba(255,255,255,.13);
    }
    .contact-method i{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;background:rgba(255,255,255,.13);
      color:#fff;flex:0 0 auto;
    }
    .contact-method b{display:block}
    .contact-method span{display:block;color:rgba(255,255,255,.70);font-size:14px}

    .site-footer{
      background:#090e22;color:#fff;padding:58px 0 32px;
    }
    .footer-brand{display:flex;gap:13px;align-items:center;margin-bottom:16px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-title{font-weight:950;font-size:20px;letter-spacing:-.03em}
    .footer-desc{color:rgba(255,255,255,.68);max-width:620px;margin:0}
    .footer-links{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
    .footer-links a{
      color:rgba(255,255,255,.72);
      padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06);
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.12)}
    .copyright{
      border-top:1px solid rgba(255,255,255,.10);
      margin-top:34px;padding-top:22px;
      color:rgba(255,255,255,.56);font-size:14px;
      display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
    }

    .fixed-cta{
      position:fixed;left:50%;bottom:18px;transform:translateX(-50%);
      width:min(960px,calc(100% - 28px));
      z-index:1100;
      background:rgba(11,16,39,.92);
      color:#fff;border:1px solid rgba(255,255,255,.12);
      border-radius:24px;
      box-shadow:0 18px 56px rgba(0,0,0,.26);
      backdrop-filter:blur(18px);
      padding:12px 14px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;
    }
    .fixed-cta b{display:block;font-size:15px}
    .fixed-cta span{color:rgba(255,255,255,.68);font-size:13px}
    .fixed-cta .btn-modern{padding:10px 16px;font-size:14px}

    @media (max-width:1024px){
      .bento{grid-template-columns:1fr}
      .bento-side{grid-template-columns:1fr 1fr}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:1 / -1}
      .time-grid{grid-template-columns:repeat(2,1fr)}
      .news-wrap,.proof-grid{grid-template-columns:1fr}
      .guarantee-strip{grid-template-columns:repeat(2,1fr)}
      .quick-search{width:180px}
    }
    @media (max-width:768px){
      body{padding-bottom:112px}
      .section{padding:66px 0}
      .hero{padding:34px 0 62px}
      .bento-main{padding:30px;min-height:auto}
      .bento-side{grid-template-columns:1fr}
      .cta-strip{align-items:flex-start;flex-direction:column}
      .feature-grid{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr;gap:8px}
      .news-row:hover{transform:none}
      .compare{grid-template-columns:1fr}
      .navbar-collapse{
        padding:14px 0 10px;
        border-top:1px solid var(--line);
        margin-top:12px;
      }
      .quick-search{width:100%}
      .search-wrap{margin:8px 0}
      .footer-links{justify-content:flex-start;margin-top:20px}
      .fixed-cta{border-radius:20px;align-items:flex-start;flex-direction:column}
      .fixed-cta .btn-modern{width:100%}
    }
    @media (max-width:520px){
      .brand-name{font-size:16px}
      .brand-sub{display:none}
      .bento-main{padding:24px;border-radius:24px}
      .bento-card,.time-stage,.form-card,.contact-panel,.proof-card{border-radius:24px}
      .hero-actions .btn-modern{width:100%}
      .data-badge{flex:1 1 100%}
      .mini-grid{grid-template-columns:1fr}
      .time-grid,.guarantee-strip,.kpi-grid{grid-template-columns:1fr}
      .section-title{font-size:30px}
      .contact-panel{padding:24px}
      .copyright{display:block}
    }

/* 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}