/* roulang page: index */
:root{
      --green:#2f9b83;
      --green-deep:#123f38;
      --green-soft:#e5f4ef;
      --orange:#ff8a5b;
      --orange-deep:#ee6d3f;
      --yellow:#fff2bf;
      --blue:#dff1ff;
      --purple:#ebe6f8;
      --cream:#fffaf0;
      --warm:#fff6e8;
      --paper:#fffdf8;
      --text:#22312d;
      --muted:#66736f;
      --line:#e6ded0;
      --shadow:0 16px 45px rgba(36,65,57,.12);
      --shadow-sm:0 8px 24px rgba(36,65,57,.08);
      --radius:24px;
      --radius-sm:16px;
      --container:1200px;
      --focus:0 0 0 4px rgba(255,138,91,.28);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth;scroll-padding-top:112px}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#fffaf0 0%,#fffdf8 38%,#f8fbf6 100%);
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer;background:none}
    :focus-visible{outline:none;box-shadow:var(--focus)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0;position:relative}
    .section:nth-of-type(even){background:rgba(229,244,239,.34)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 13px;border-radius:999px;background:var(--green-soft);
      color:#247866;font-weight:700;font-size:14px;margin-bottom:16px
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange)}
    h1,h2,h3{line-height:1.22;letter-spacing:-.02em}
    h1{font-size:clamp(34px,5vw,64px);max-width:920px}
    h2{font-size:clamp(28px,3.4vw,44px);margin-bottom:18px}
    h3{font-size:20px;margin-bottom:10px}
    .lead{font-size:18px;color:var(--muted);max-width:820px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:13px 22px;border-radius:999px;font-weight:800;
      transition:.25s ease;white-space:nowrap
    }
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 28px rgba(255,138,91,.32)}
    .btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,138,91,.42)}
    .btn-secondary{background:#fff;color:var(--green-deep);border:1px solid rgba(47,155,131,.28)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--shadow-sm)}
    .btn:active{transform:translateY(0);box-shadow:none}
    .badge{display:inline-flex;padding:5px 10px;border-radius:999px;background:#fff3df;color:#a8522f;font-size:13px;font-weight:700}
    .card{
      background:rgba(255,253,248,.92);border:1px solid rgba(230,222,208,.88);
      border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s ease
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(47,155,131,.38)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:34px}
    .section-head .lead{max-width:620px}
    .topbar{
      background:var(--green-deep);color:#f8fff9;font-size:14px
    }
    .topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0}
    .topbar-list{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
    .trust-pill{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.12)}
    .site-header{
      position:sticky;top:0;z-index:100;background:rgba(255,250,240,.88);
      backdrop-filter:blur(16px);border-bottom:1px solid rgba(230,222,208,.78);
      transition:.25s ease
    }
    .site-header.scrolled{box-shadow:0 10px 30px rgba(31,69,60,.1)}
    .navrow{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--green-deep)}
    .logo-mark{
      width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,var(--green),#91d8c4);
      display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(47,155,131,.25)
    }
    .navlinks{display:flex;align-items:center;gap:4px}
    .navlinks a{padding:9px 12px;border-radius:999px;color:#43514d;font-weight:700;font-size:15px;transition:.2s ease}
    .navlinks a:hover,.navlinks a.active{background:var(--green-soft);color:var(--green-deep)}
    .menu-toggle{display:none;width:46px;height:46px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .menu-toggle span{display:block;width:22px;height:2px;background:var(--green-deep);margin:5px auto;border-radius:2px;transition:.2s}
    .hero{
      min-height:720px;padding:86px 0 72px;position:relative;overflow:hidden;
      background:
        linear-gradient(90deg,rgba(18,63,56,.88),rgba(47,155,131,.58),rgba(255,246,232,.2)),
        url('/assets/images/299e7d283ff72a46.webp') center/cover no-repeat;
      color:#fff;
    }
    .hero::after{
      content:"";position:absolute;right:-120px;top:80px;width:420px;height:420px;border-radius:50%;
      background:rgba(255,242,191,.35);filter:blur(4px)
    }
    .hero-stage{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .75fr;gap:44px;align-items:center}
    .promo-sticker{
      display:inline-flex;align-items:center;gap:8px;background:var(--yellow);color:#6b3d1d;
      padding:10px 16px;border-radius:999px;font-weight:900;box-shadow:0 14px 28px rgba(0,0,0,.16);
      transform:rotate(-2deg);margin-bottom:22px
    }
    .hero p{font-size:19px;max-width:780px;color:rgba(255,255,255,.9);margin:22px 0 28px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .hero .btn-secondary{background:rgba(255,255,255,.92)}
    .hero-points{display:flex;gap:14px;flex-wrap:wrap}
    .hero-point{padding:10px 14px;border:1px solid rgba(255,255,255,.22);border-radius:16px;background:rgba(255,255,255,.13);backdrop-filter:blur(8px)}
    .hero-panel{
      background:rgba(255,253,248,.92);color:var(--text);border-radius:32px;padding:18px;box-shadow:0 24px 70px rgba(0,0,0,.25);
      position:relative
    }
    .hero-panel img{height:260px;width:100%;object-fit:cover;border-radius:24px}
    .hero-card-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
    .mini-card{background:#fff7e8;border-radius:18px;padding:14px;border:1px solid rgba(255,138,91,.18)}
    .mini-card strong{display:block;color:var(--green-deep);font-size:22px}
    .sale-corner{
      position:absolute;right:12px;top:12px;background:var(--orange);color:#fff;border-radius:18px 22px 18px 22px;
      padding:10px 12px;font-weight:900;box-shadow:0 12px 28px rgba(255,138,91,.35)
    }
    .pain-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px}
    .pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .pain-card{padding:20px}
    .icon{
      width:44px;height:44px;border-radius:16px;background:var(--green-soft);
      display:grid;place-items:center;font-size:22px;margin-bottom:14px
    }
    .solution-grid,.philosophy-grid,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
    .image-stack{position:relative}
    .image-stack img{border-radius:32px;box-shadow:var(--shadow);height:420px;width:100%;object-fit:cover}
    .note-card{position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:20px;padding:16px;box-shadow:var(--shadow-sm);max-width:260px;border:1px solid var(--line)}
    .tagline{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-list li{list-style:none;padding-left:30px;position:relative;color:#4f5e59}
    .check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}
    .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
    .step{padding:22px;background:#fff;border-radius:22px;border:1px solid var(--line);position:relative}
    .step-num{width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:14px}
    .adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .adv-card{padding:22px;overflow:hidden;position:relative}
    .adv-card::after{content:"";position:absolute;right:-28px;top:-28px;width:90px;height:90px;border-radius:32px;background:rgba(255,138,91,.12);transform:rotate(18deg)}
    .course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .course-card{overflow:hidden}
    .course-card img{height:190px;width:100%;object-fit:cover}
    .course-body{padding:22px}
    .course-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px}
    .dark{
      background:var(--green-deep)!important;color:#f5fff8;overflow:hidden
    }
    .dark .lead,.dark p{color:rgba(245,255,248,.78)}
    .philo-list{display:grid;gap:14px}
    .philo-item{padding:18px;border-radius:22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
    .story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .story-card{padding:22px;background:#fffdf8;border-radius:28px;border:1px dashed rgba(47,155,131,.38)}
    .story-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px;color:var(--muted);font-size:14px}
    .results-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:#fff;border-radius:32px;padding:22px;box-shadow:var(--shadow-sm)}
    .result-item{padding:22px;border-radius:24px;background:linear-gradient(180deg,#fff6e8,#f0fbf6)}
    .result-item strong{display:block;font-size:36px;color:var(--orange);line-height:1.1}
    .review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .review-card{padding:22px;background:#fff;border-radius:26px;border:1px solid var(--line)}
    .avatar{width:42px;height:42px;border-radius:50%;background:var(--purple);display:grid;place-items:center;font-weight:900;color:var(--green-deep);margin-bottom:12px}
    .stars{color:#f0a33a;letter-spacing:2px;margin-bottom:10px}
    .audience-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
    .tag-cloud span{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700}
    .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scene-card{padding:20px}
    .insight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .insight-card{padding:20px;display:flex;flex-direction:column;gap:10px}
    .insight-date{font-size:13px;color:var(--muted)}
    .metrics-panel{background:#fff;border-radius:34px;padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
    .metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .progress-item{margin-bottom:18px}
    .progress-label{display:flex;justify-content:space-between;margin-bottom:8px;font-weight:800}
    .progress{height:12px;border-radius:999px;background:#edf3ef;overflow:hidden}
    .progress span{display:block;height:100%;background:linear-gradient(90deg,var(--green),#8ed8c0);border-radius:999px}
    .metric-list{display:grid;gap:12px}
    .metric-list div{padding:14px 16px;border-radius:18px;background:#f7fbf6;border:1px solid var(--line)}
    .faq-list{display:grid;gap:14px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:19px 22px;text-align:left;font-weight:900;color:var(--green-deep)}
    .faq-q span:last-child{width:28px;height:28px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center;transition:.2s}
    .faq-a{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--orange);color:#fff}
    .contact{
      background:
        radial-gradient(circle at 10% 20%,rgba(255,242,191,.9),transparent 28%),
        linear-gradient(135deg,#fff0d6,#e7f6ef)!important
    }
    .contact-box{background:#fffdf8;border-radius:34px;padding:28px;box-shadow:var(--shadow);border:1px solid rgba(255,138,91,.18)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-weight:800;color:var(--green-deep)}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fffaf2;border-radius:16px;
      padding:13px 14px;color:var(--text);transition:.2s
    }
    textarea{min-height:104px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(47,155,131,.14);outline:none}
    .form-tip{font-size:13px;color:var(--muted);margin-top:10px}
    .submit-msg{display:none;margin-top:12px;padding:12px 14px;border-radius:16px;background:var(--green-soft);color:var(--green-deep);font-weight:800}
    .submit-msg.show{display:block}
    .footer{background:#123f38;color:#f6fff9;padding:56px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:34px;margin-bottom:34px}
    .footer a{color:rgba(246,255,249,.82)}
    .footer a:hover{color:#fff;text-decoration:underline}
    .footer h3{color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}
    .copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:rgba(246,255,249,.72);font-size:14px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
    @media (max-width:1024px){
      .navlinks{display:none;position:absolute;left:20px;right:20px;top:132px;background:#fffdf8;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .navlinks.open{display:flex}
      .navlinks a{padding:13px 14px}
      .menu-toggle{display:block}
      .hero-stage,.pain-layout,.solution-grid,.philosophy-grid,.audience-wrap,.contact-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr 1fr}
      .adv-grid,.story-grid{grid-template-columns:repeat(2,1fr)}
      .course-grid,.insight-grid{grid-template-columns:repeat(2,1fr)}
      .review-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:760px){
      html{scroll-padding-top:96px}
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:66px 0}
      .topbar .container{align-items:flex-start}
      .topbar-list span:nth-child(n+3){display:none}
      .navrow{height:68px}
      .navlinks{top:108px}
      .hero{min-height:auto;padding:62px 0}
      .hero p{font-size:17px}
      .hero-panel img{height:210px}
      .hero-card-row,.pain-list,.timeline,.adv-grid,.course-grid,.story-grid,.results-bar,.review-grid,.scene-grid,.insight-grid,.metrics-grid,.form-grid,.footer-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .image-stack img{height:300px}
      .note-card{position:static;margin-top:14px;max-width:none}
      .results-bar{padding:14px}
      .copyright{display:block}
    }
    @media (max-width:420px){
      .hero-actions .btn{width:100%}
      h1{font-size:32px}
      .topbar{font-size:13px}
      .logo{font-size:18px}
      .logo-mark{width:36px;height:36px}
      .btn{width:100%;min-height:46px}
      .course-card .btn,.contact-box .btn{width:100%}
    }