/* roulang page: index */
:root{
      --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      --primary:#7357d8;
      --primary-deep:#4d35a8;
      --secondary:#d95da7;
      --accent:#f4a64d;
      --mint:#57bda7;
      --ink:#262234;
      --text:#463f58;
      --muted:#766f86;
      --soft:#f8f3ea;
      --lavender:#f0ebff;
      --rose:#fff0f6;
      --card:#ffffff;
      --line:rgba(115,87,216,.16);
      --line-strong:rgba(115,87,216,.28);
      --shadow-sm:0 10px 28px rgba(77,53,168,.08);
      --shadow-md:0 18px 48px rgba(77,53,168,.14);
      --shadow-lg:0 28px 70px rgba(77,53,168,.18);
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:34px;
      --radius-pill:999px;
      --transition:180ms ease;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-main);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 6%, rgba(217,93,167,.16), transparent 31%),
        radial-gradient(circle at 88% 10%, rgba(115,87,216,.16), transparent 32%),
        linear-gradient(180deg,#fffaf4 0%,#f7f2ff 46%,#fffaf5 100%);
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:radial-gradient(rgba(115,87,216,.14) 1px, transparent 1px);
      background-size:26px 26px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.5), transparent 68%);
      z-index:-1;
    }
    a{
      color:var(--primary-deep);
      text-decoration:none;
      transition:color var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    a:hover,a:focus{color:var(--secondary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font-family:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(115,87,216,.18);color:var(--ink)}
    :focus-visible{
      outline:3px solid rgba(244,166,77,.55);
      outline-offset:3px;
      border-radius:12px;
    }

    .site-shell{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:60px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-deep);
      font-weight:800;
      font-size:14px;
      letter-spacing:.03em;
      padding:8px 13px;
      border-radius:var(--radius-pill);
      background:rgba(115,87,216,.09);
      border:1px solid rgba(115,87,216,.14);
      margin-bottom:14px;
    }
    .section-title{
      margin:0;
      color:var(--ink);
      font-size:clamp(26px,3vw,38px);
      line-height:1.22;
      letter-spacing:-.02em;
      font-weight:900;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--muted);
      max-width:680px;
      font-size:17px;
    }
    .subtle-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-deep);
      font-weight:800;
      white-space:nowrap;
    }
    .subtle-link:hover{
      transform:translateX(4px);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(115,87,216,.12);
      background:rgba(255,250,244,.82);
      backdrop-filter:blur(18px);
      transition:box-shadow var(--transition), background var(--transition);
    }
    .site-header.is-scrolled{
      box-shadow:0 12px 32px rgba(77,53,168,.1);
      background:rgba(255,250,244,.95);
    }
    .nav-wrap{
      min-height:78px;
      display:grid;
      grid-template-columns:auto minmax(280px, 1fr) auto;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--ink);
      font-weight:950;
      letter-spacing:-.02em;
      font-size:20px;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 26px rgba(115,87,216,.25);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:22px;
      height:22px;
      right:-5px;
      bottom:-5px;
      border-radius:50%;
      background:rgba(255,255,255,.34);
    }
    .brand span:last-child{
      line-height:1.15;
    }
    .nav-search{
      width:100%;
      max-width:620px;
      justify-self:center;
      position:relative;
    }
    .nav-search form,.hero-search form,.final-search form{
      display:flex;
      align-items:center;
      gap:10px;
      padding:8px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.86);
      border-radius:var(--radius-pill);
      box-shadow:var(--shadow-sm);
      transition:border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .nav-search form:focus-within,.hero-search form:focus-within,.final-search form:focus-within{
      border-color:rgba(115,87,216,.42);
      box-shadow:0 0 0 5px rgba(115,87,216,.09), var(--shadow-md);
    }
    .search-icon{
      width:38px;
      height:38px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--lavender);
      flex:0 0 auto;
    }
    .search-input{
      min-width:0;
      flex:1;
      border:0;
      background:transparent;
      color:var(--ink);
      font-size:15px;
      padding:10px 4px;
      box-shadow:none;
      margin:0;
      height:auto;
    }
    .search-input:focus{
      border:0;
      box-shadow:none;
      background:transparent;
    }
    .search-input::placeholder{color:#9a91ab}
    .search-submit{
      border:0;
      border-radius:var(--radius-pill);
      padding:11px 18px;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 24px rgba(115,87,216,.22);
      transition:transform var(--transition), box-shadow var(--transition), filter var(--transition);
      white-space:nowrap;
    }
    .search-submit:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 32px rgba(115,87,216,.28);
      filter:saturate(1.08);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      justify-content:flex-end;
    }
    .nav-link{
      padding:10px 12px;
      border-radius:var(--radius-pill);
      color:var(--text);
      font-weight:750;
      font-size:14px;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--primary-deep);
      background:rgba(115,87,216,.09);
    }
    .nav-feedback{
      color:#fff;
      background:linear-gradient(135deg,#5840bb,#8a6cf0);
      box-shadow:0 10px 22px rgba(88,64,187,.18);
    }
    .nav-feedback:hover{color:#fff;background:linear-gradient(135deg,#4d35a8,#d95da7)}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:15px;
      background:#fff;
      color:var(--primary-deep);
      box-shadow:var(--shadow-sm);
    }
    .mobile-panel{
      display:none;
      padding:0 0 16px;
    }
    .mobile-panel.is-open{display:block}
    .mobile-links{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
      padding-top:10px;
    }
    .mobile-links a{
      display:flex;
      justify-content:center;
      padding:12px;
      border-radius:16px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.82);
      font-weight:800;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:var(--radius-pill);
      border:1px solid transparent;
      font-weight:850;
      line-height:1.2;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 16px 34px rgba(115,87,216,.24);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 22px 42px rgba(115,87,216,.3);
    }
    .btn-secondary{
      color:var(--primary-deep);
      background:rgba(255,255,255,.78);
      border-color:rgba(115,87,216,.2);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      color:var(--secondary);
      border-color:rgba(217,93,167,.32);
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
    }
    .btn-ghost{
      color:var(--primary-deep);
      background:rgba(115,87,216,.09);
      border-color:rgba(115,87,216,.12);
    }
    .btn-ghost:hover{background:rgba(217,93,167,.1);color:var(--secondary)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:var(--radius-pill);
      font-weight:800;
      line-height:1.2;
      white-space:nowrap;
    }
    .badge{
      padding:10px 14px;
      color:var(--primary-deep);
      background:rgba(115,87,216,.1);
      border:1px solid rgba(115,87,216,.14);
    }
    .badge.orange{color:#8b560b;background:rgba(244,166,77,.18);border-color:rgba(244,166,77,.28)}
    .badge.mint{color:#247a69;background:rgba(87,189,167,.16);border-color:rgba(87,189,167,.26)}
    .tag{
      padding:7px 10px;
      font-size:12px;
      color:var(--muted);
      background:#fff;
      border:1px solid var(--line);
    }
    .card{
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-sm);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(115,87,216,.3);
    }

    .hero{
      padding:64px 0 78px;
    }
    .invite-hero{
      position:relative;
      overflow:hidden;
      border-radius:42px;
      padding:38px;
      border:1px solid rgba(255,255,255,.7);
      background:
        linear-gradient(135deg, rgba(115,87,216,.96), rgba(217,93,167,.88) 55%, rgba(244,166,77,.74)),
        radial-gradient(circle at 82% 10%, rgba(255,255,255,.35), transparent 28%);
      color:#fff;
      box-shadow:0 34px 86px rgba(77,53,168,.25);
    }
    .invite-hero::before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:32px;
      pointer-events:none;
    }
    .invite-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0, 1.08fr) minmax(320px,.92fr);
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      padding:14px 0 8px;
    }
    .hero-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
      font-weight:850;
      margin-bottom:18px;
    }
    .hero h1{
      margin:0;
      color:#fff;
      max-width:760px;
      font-size:clamp(31px,4.6vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .hero-intro{
      margin:20px 0 0;
      max-width:680px;
      color:rgba(255,255,255,.9);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin-top:26px;
    }
    .hero-actions .btn-secondary{
      background:rgba(255,255,255,.18);
      color:#fff;
      border-color:rgba(255,255,255,.28);
      box-shadow:none;
    }
    .hero-actions .btn-secondary:hover{background:rgba(255,255,255,.26);color:#fff}
    .hero-search{
      max-width:660px;
      margin-top:24px;
    }
    .hero-search form{
      background:rgba(255,255,255,.94);
      border-color:rgba(255,255,255,.35);
    }
    .quick-hints{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:16px;
    }
    .quick-hints a{
      color:#fff;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.2);
      padding:7px 11px;
      border-radius:var(--radius-pill);
      font-size:13px;
      font-weight:780;
    }
    .quick-hints a:hover{background:rgba(255,255,255,.26)}
    .reward-board{
      display:grid;
      gap:16px;
      align-content:start;
    }
    .reward-card{
      border-radius:30px;
      background:rgba(255,255,255,.92);
      color:var(--text);
      padding:24px;
      box-shadow:0 22px 56px rgba(38,34,52,.16);
      border:1px solid rgba(255,255,255,.65);
    }
    .reward-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .reward-title{
      margin:0;
      color:var(--ink);
      font-size:22px;
      line-height:1.25;
      font-weight:930;
    }
    .reward-icon{
      width:54px;
      height:54px;
      border-radius:20px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--accent),var(--secondary));
      box-shadow:0 14px 26px rgba(217,93,167,.18);
      font-size:22px;
      flex:0 0 auto;
    }
    .progress-text{
      display:flex;
      justify-content:space-between;
      align-items:center;
      color:var(--muted);
      font-size:14px;
      font-weight:780;
      margin-bottom:9px;
    }
    .progress-shell{
      height:12px;
      border-radius:var(--radius-pill);
      background:rgba(115,87,216,.12);
      overflow:hidden;
    }
    .progress-bar{
      width:66%;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));
      box-shadow:0 6px 14px rgba(115,87,216,.24);
    }
    .task-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .task-list li{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--text);
      font-weight:740;
      font-size:14px;
    }
    .task-list i{
      width:24px;
      height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(87,189,167,.16);
      color:var(--mint);
      font-size:12px;
    }
    .mini-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-stat{
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.2);
      color:#fff;
    }
    .mini-stat strong{
      display:block;
      font-size:24px;
      line-height:1.1;
      margin-bottom:5px;
    }
    .mini-stat span{
      color:rgba(255,255,255,.82);
      font-size:13px;
      font-weight:700;
    }

    .app-stage{
      border-radius:var(--radius-lg);
      padding:30px;
      background:rgba(255,255,255,.7);
      border:1px solid rgba(115,87,216,.14);
      box-shadow:var(--shadow-md);
    }
    .entry-matrix{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
    }
    .entry-main{
      min-height:360px;
      padding:30px;
      border-radius:30px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.94), rgba(247,242,255,.88)),
        radial-gradient(circle at 90% 0%, rgba(217,93,167,.12), transparent 30%);
      border:1px solid var(--line);
    }
    .entry-main h3,.entry-card h3,.solution-main h3,.feedback-card h3{
      margin:0;
      color:var(--ink);
      font-size:24px;
      font-weight:920;
      line-height:1.25;
    }
    .entry-main p,.entry-card p{
      color:var(--muted);
      margin:12px 0 0;
    }
    .screen-lines{
      margin-top:24px;
      display:grid;
      gap:12px;
    }
    .screen-line{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(115,87,216,.11);
      box-shadow:0 8px 20px rgba(77,53,168,.06);
    }
    .line-dot{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      flex:0 0 auto;
    }
    .line-copy strong{display:block;color:var(--ink);line-height:1.35}
    .line-copy span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .entry-side{
      display:grid;
      gap:18px;
    }
    .entry-card{
      padding:24px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }

    .pain-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .pain-note{
      position:sticky;
      top:104px;
      padding:30px;
      border-radius:32px;
      background:linear-gradient(145deg,#fff8ee,#f0ebff);
      border:1px solid rgba(115,87,216,.14);
      box-shadow:var(--shadow-md);
    }
    .pain-note h2{
      margin:0;
      color:var(--ink);
      font-size:34px;
      line-height:1.22;
      font-weight:930;
    }
    .pain-note p{margin:16px 0 0;color:var(--muted)}
    .note-wall{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .sticky-note{
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transform:rotate(var(--rotate,0deg));
    }
    .sticky-note:nth-child(2){--rotate:1.2deg;background:#fff5fb}
    .sticky-note:nth-child(3){--rotate:-1deg;background:#f4fff9}
    .sticky-note:nth-child(4){--rotate:.8deg;background:#fff9ee}
    .sticky-note .num{
      display:inline-grid;
      place-items:center;
      width:34px;
      height:34px;
      border-radius:13px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:900;
      margin-bottom:14px;
    }
    .sticky-note h3{
      margin:0;
      color:var(--ink);
      font-size:18px;
      font-weight:900;
    }
    .sticky-note p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    .solution-panel{
      border-radius:36px;
      padding:30px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(240,235,255,.78)),
        radial-gradient(circle at 5% 0%, rgba(244,166,77,.14), transparent 28%);
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .solution-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .solution-main{
      padding:28px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
    }
    .process{
      margin:24px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:14px;
      counter-reset:step;
    }
    .process li{
      position:relative;
      display:grid;
      grid-template-columns:46px 1fr;
      gap:14px;
      align-items:start;
      padding:16px;
      border-radius:20px;
      background:rgba(115,87,216,.055);
      border:1px solid rgba(115,87,216,.1);
    }
    .process li::before{
      counter-increment:step;
      content:counter(step);
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:920;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 20px rgba(115,87,216,.18);
    }
    .process strong{display:block;color:var(--ink);font-size:16px}
    .process span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
    .feature-stack{
      display:grid;
      gap:18px;
    }
    .feature-card{
      padding:24px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .feature-card .icon{
      width:46px;
      height:46px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:var(--primary-deep);
      background:rgba(115,87,216,.1);
      margin-bottom:15px;
    }
    .feature-card h3{
      margin:0;
      color:var(--ink);
      font-size:19px;
      font-weight:900;
    }
    .feature-card p{margin:8px 0 0;color:var(--muted);font-size:14px}

    .steps-track{
      display:grid;
      grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;
      gap:12px;
      align-items:center;
      padding:26px;
      border-radius:34px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .step-box{
      min-height:170px;
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg,#fff,#f8f5ff);
      border:1px solid rgba(115,87,216,.12);
    }
    .step-box .step-icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      margin-bottom:14px;
      box-shadow:0 12px 22px rgba(115,87,216,.18);
    }
    .step-box h3{
      margin:0;
      color:var(--ink);
      font-size:18px;
      font-weight:900;
    }
    .step-box p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .step-arrow{
      color:var(--primary);
      opacity:.55;
      font-size:20px;
    }

    .result-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .metric-board{
      padding:28px;
      border-radius:34px;
      background:linear-gradient(145deg,#fff,#f3efff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:22px;
    }
    .metric{
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(115,87,216,.12);
    }
    .metric strong{
      display:block;
      color:var(--primary-deep);
      font-size:30px;
      line-height:1.1;
      font-weight:950;
    }
    .metric span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      font-weight:740;
    }
    .calendar-card{
      padding:28px;
      border-radius:34px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .calendar-list{
      margin:22px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:13px;
    }
    .calendar-list li{
      display:grid;
      grid-template-columns:72px 1fr;
      gap:14px;
      align-items:center;
      padding:14px;
      border-radius:20px;
      background:#fff9f1;
      border:1px solid rgba(244,166,77,.22);
    }
    .date-pill{
      display:grid;
      place-items:center;
      min-height:54px;
      border-radius:18px;
      color:#8b560b;
      background:rgba(244,166,77,.2);
      font-weight:900;
      line-height:1.1;
      text-align:center;
    }
    .calendar-list strong{display:block;color:var(--ink)}
    .calendar-list span{display:block;color:var(--muted);font-size:13px;margin-top:2px}

    .feedback-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .feedback-card{
      padding:28px;
      border-radius:34px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .quote{
      margin:20px 0 0;
      padding:22px;
      border-radius:24px;
      background:linear-gradient(135deg,#f8f5ff,#fff6fb);
      border:1px solid rgba(115,87,216,.13);
      color:var(--text);
      font-size:17px;
      line-height:1.8;
    }
    .quote cite{
      display:block;
      margin-top:14px;
      color:var(--muted);
      font-style:normal;
      font-size:14px;
      font-weight:800;
    }
    .trust-list{
      display:grid;
      gap:14px;
    }
    .trust-item{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .trust-item i{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      border-radius:14px;
      color:var(--primary-deep);
      background:rgba(115,87,216,.1);
    }
    .trust-item strong{display:block;color:var(--ink)}
    .trust-item span{display:block;color:var(--muted);font-size:14px;margin-top:2px}

    .news-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .news-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .news-card:hover{
      border-color:rgba(115,87,216,.32);
      box-shadow:var(--shadow-md);
      transform:translateY(-3px);
    }
    .news-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:10px;
    }
    .news-card h3{
      margin:0;
      color:var(--ink);
      font-size:20px;
      line-height:1.35;
      font-weight:920;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-card p{
      margin:9px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.68;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-action{
      align-self:center;
      justify-self:end;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-deep);
      font-weight:900;
      padding:10px 13px;
      border-radius:var(--radius-pill);
      background:rgba(115,87,216,.08);
      white-space:nowrap;
    }
    .news-card:hover .news-action{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .empty-state{
      padding:34px;
      text-align:center;
      border-radius:28px;
      background:#fff;
      border:1px dashed rgba(115,87,216,.28);
      color:var(--muted);
      box-shadow:var(--shadow-sm);
      font-weight:800;
    }
    .recommend-box{
      position:sticky;
      top:104px;
      padding:26px;
      border-radius:32px;
      background:linear-gradient(145deg,#fff,#fff6fb);
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .recommend-box h3{
      margin:0;
      color:var(--ink);
      font-size:22px;
      font-weight:920;
    }
    .recommend-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .recommend-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px 14px;
      border-radius:18px;
      color:var(--text);
      background:#fff;
      border:1px solid rgba(115,87,216,.1);
      font-weight:800;
    }
    .recommend-list a:hover{
      color:var(--primary-deep);
      transform:translateX(4px);
      border-color:rgba(115,87,216,.24);
    }

    .compare-card{
      overflow:hidden;
      border-radius:34px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width:680px;
      margin:0;
    }
    .compare-table th,.compare-table td{
      padding:18px 20px;
      border-bottom:1px solid rgba(115,87,216,.1);
      color:var(--text);
      line-height:1.55;
    }
    .compare-table th{
      color:var(--ink);
      font-size:15px;
      background:#f7f2ff;
      font-weight:920;
    }
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table td:first-child{
      font-weight:850;
      color:var(--ink);
      width:26%;
    }
    .compare-table .better{
      color:var(--primary-deep);
      font-weight:850;
    }
    .table-scroll{
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
    }

    .faq-wrap{
      max-width:920px;
      margin-inline:auto;
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.88);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:border-color var(--transition), box-shadow var(--transition);
    }
    .accordion-item:hover{
      border-color:rgba(115,87,216,.28);
      box-shadow:var(--shadow-md);
    }
    .accordion-title{
      position:relative;
      display:flex;
      align-items:center;
      min-height:58px;
      padding:19px 58px 19px 22px;
      color:var(--ink);
      font-size:17px;
      font-weight:900;
      border:0;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(115,87,216,.06);
      color:var(--primary-deep);
    }
    .accordion-title::before{
      right:22px;
      top:50%;
      margin-top:-10px;
      color:var(--primary);
      font-size:20px;
      transition:transform var(--transition);
    }
    .is-active>.accordion-title::before{
      transform:rotate(45deg);
    }
    .accordion-content{
      border:0;
      padding:0 22px 22px;
      color:var(--muted);
      background:transparent;
      line-height:1.8;
    }

    .final-cta{
      padding:0 0 86px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:40px;
      padding:38px;
      background:
        radial-gradient(circle at 80% 18%, rgba(255,255,255,.36), transparent 24%),
        linear-gradient(135deg, rgba(115,87,216,.94), rgba(217,93,167,.82));
      color:#fff;
      box-shadow:0 30px 76px rgba(77,53,168,.24);
    }
    .cta-box::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-80px;
      bottom:-120px;
      background:rgba(255,255,255,.16);
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr minmax(280px,420px);
      gap:28px;
      align-items:center;
    }
    .cta-box h2{
      margin:0;
      color:#fff;
      font-size:clamp(26px,3vw,40px);
      line-height:1.2;
      font-weight:950;
    }
    .cta-box p{
      margin:14px 0 0;
      color:rgba(255,255,255,.88);
      max-width:680px;
    }
    .final-search form{
      background:rgba(255,255,255,.95);
      box-shadow:none;
    }

    .site-footer{
      padding:48px 0 30px;
      background:linear-gradient(180deg,rgba(53,42,78,.96),#2a2438);
      color:rgba(255,255,255,.76);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .75fr;
      gap:26px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      font-size:20px;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{
      box-shadow:none;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      font-weight:720;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.62);
      font-size:13px;
    }

    .article-body{
      max-width:840px;
      margin-inline:auto;
      color:var(--text);
      font-size:17px;
      line-height:1.88;
    }
    .article-body h2{
      position:relative;
      margin:42px 0 16px;
      padding-left:16px;
      color:var(--ink);
      font-size:30px;
      line-height:1.3;
      font-weight:930;
    }
    .article-body h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.25em;
      width:5px;
      height:1.1em;
      border-radius:var(--radius-pill);
      background:linear-gradient(180deg,var(--primary),var(--secondary));
    }
    .article-body h3{margin:30px 0 12px;color:var(--ink);font-size:23px;font-weight:900}
    .article-body p{margin:0 0 18px}
    .article-body blockquote{
      margin:26px 0;
      padding:20px 22px;
      border-left:5px solid var(--primary);
      border-radius:18px;
      background:#f8f5ff;
      color:var(--text);
    }
    .article-body ul,.article-body ol{padding-left:1.4em;margin:16px 0 22px}
    .article-body li{margin:8px 0}
    .article-body img{
      border-radius:24px;
      box-shadow:var(--shadow-md);
      margin:24px auto 8px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:20px;
      border:1px solid var(--line);
      margin:24px 0;
      background:#fff;
    }
    .article-body th,.article-body td{
      padding:14px 16px;
      border-bottom:1px solid rgba(115,87,216,.1);
      text-align:left;
    }
    .article-body th{background:#f7f2ff;color:var(--ink)}
    .article-body code{
      padding:.18em .42em;
      border-radius:8px;
      background:#f1ecff;
      color:var(--primary-deep);
    }

    @media (max-width:1024px){
      .nav-wrap{
        grid-template-columns:auto auto;
      }
      .nav-search{
        grid-column:1 / -1;
        grid-row:2;
        max-width:none;
        order:3;
      }
      .nav-links{display:none}
      .menu-toggle{display:grid;justify-self:end}
      .invite-grid,.entry-matrix,.pain-wrap,.solution-grid,.result-layout,.feedback-layout,.news-shell,.cta-content{
        grid-template-columns:1fr;
      }
      .pain-note,.recommend-box{position:relative;top:auto}
      .steps-track{
        grid-template-columns:repeat(2,1fr);
      }
      .step-arrow{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-shell{width:min(100% - 28px, var(--container))}
      .section{padding:62px 0}
      .section-head{
        display:block;
      }
      .section-desc{font-size:16px}
      .invite-hero,.cta-box{
        border-radius:30px;
        padding:24px;
      }
      .hero{padding:38px 0 58px}
      .hero-intro{font-size:16px}
      .hero-actions .btn{
        flex:1 1 100%;
      }
      .mini-board,.note-wall,.metric-grid,.steps-track{
        grid-template-columns:1fr;
      }
      .entry-main,.solution-panel,.metric-board,.calendar-card,.feedback-card{
        padding:22px;
        border-radius:28px;
      }
      .news-card{
        grid-template-columns:1fr;
      }
      .news-action{
        justify-self:start;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .copyright{
        display:block;
      }
      .search-submit{
        padding-inline:14px;
      }
    }
    @media (max-width:520px){
      .brand{font-size:17px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .nav-wrap{gap:12px}
      .nav-search form,.hero-search form,.final-search form{
        border-radius:22px;
        align-items:stretch;
      }
      .hero-search form,.final-search form{
        flex-wrap:wrap;
      }
      .hero-search .search-input,.final-search .search-input{
        flex:1 1 calc(100% - 54px);
      }
      .hero-search .search-submit,.final-search .search-submit{
        flex:1 1 100%;
      }
      .search-icon{width:36px;height:36px}
      .reward-card{padding:20px;border-radius:24px}
      .mobile-links{grid-template-columns:1fr}
      .calendar-list li{grid-template-columns:1fr}
      .compare-table{min-width:620px}
    }

/* roulang page: article */
:root{
      --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      --primary:#7357d8;
      --primary-deep:#4d35a8;
      --secondary:#d95da7;
      --accent:#f4a64d;
      --mint:#57bda7;
      --ink:#262234;
      --text:#463f58;
      --muted:#766f86;
      --soft:#f8f3ea;
      --lavender:#f0ebff;
      --rose:#fff0f6;
      --card:#ffffff;
      --line:rgba(115,87,216,.16);
      --line-strong:rgba(115,87,216,.28);
      --shadow-sm:0 10px 28px rgba(77,53,168,.08);
      --shadow-md:0 18px 48px rgba(77,53,168,.14);
      --shadow-lg:0 28px 70px rgba(77,53,168,.18);
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:34px;
      --radius-pill:999px;
      --transition:180ms ease;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-main);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 6%, rgba(217,93,167,.16), transparent 31%),
        radial-gradient(circle at 88% 10%, rgba(115,87,216,.16), transparent 32%),
        linear-gradient(180deg,#fffaf4 0%,#f7f2ff 46%,#fffaf5 100%);
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:radial-gradient(rgba(115,87,216,.14) 1px, transparent 1px);
      background-size:26px 26px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.5), transparent 68%);
      z-index:-1;
    }
    a{
      color:var(--primary-deep);
      text-decoration:none;
      transition:color var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    a:hover,a:focus{color:var(--secondary)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.accordion-title:focus-visible{
      outline:3px solid rgba(244,166,77,.38);
      outline-offset:3px;
    }
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font-family:inherit}
    button{cursor:pointer}
    .site-shell{
      width:min(calc(100% - 32px),var(--container));
      margin:0 auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:60px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-deep);
      font-weight:800;
      font-size:14px;
      letter-spacing:.03em;
      padding:8px 13px;
      border-radius:var(--radius-pill);
      background:rgba(115,87,216,.09);
      border:1px solid rgba(115,87,216,.14);
      margin-bottom:14px;
    }
    .section-title{
      margin:0;
      color:var(--ink);
      font-size:clamp(26px,3vw,38px);
      line-height:1.22;
      letter-spacing:-.02em;
      font-weight:900;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--muted);
      max-width:680px;
      font-size:17px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(115,87,216,.12);
      background:rgba(255,250,244,.82);
      backdrop-filter:blur(18px);
      transition:box-shadow var(--transition), background var(--transition);
    }
    .site-header.is-scrolled{
      box-shadow:0 12px 32px rgba(77,53,168,.1);
      background:rgba(255,250,244,.95);
    }
    .nav-wrap{
      min-height:78px;
      display:grid;
      grid-template-columns:auto minmax(280px, 1fr) auto;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--ink);
      font-weight:950;
      letter-spacing:-.02em;
      font-size:20px;
    }
    .brand:hover{color:var(--primary-deep)}
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 26px rgba(115,87,216,.25);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:22px;
      height:22px;
      right:-5px;
      bottom:-5px;
      border-radius:50%;
      background:rgba(255,255,255,.34);
    }
    .brand span:last-child{line-height:1.15}
    .nav-search{
      width:100%;
      max-width:620px;
      justify-self:center;
      position:relative;
    }
    .nav-search form,.hero-search form,.final-search form{
      display:flex;
      align-items:center;
      gap:10px;
      padding:8px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.86);
      border-radius:var(--radius-pill);
      box-shadow:var(--shadow-sm);
      transition:border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .nav-search form:focus-within,.hero-search form:focus-within,.final-search form:focus-within{
      border-color:rgba(115,87,216,.42);
      box-shadow:0 0 0 5px rgba(115,87,216,.09), var(--shadow-md);
    }
    .search-icon{
      width:38px;
      height:38px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--lavender);
      flex:0 0 auto;
    }
    .search-input{
      min-width:0;
      flex:1;
      border:0;
      background:transparent;
      color:var(--ink);
      font-size:15px;
      padding:10px 4px;
      box-shadow:none;
      margin:0;
      height:auto;
    }
    .search-input:focus{
      border:0;
      box-shadow:none;
      background:transparent;
    }
    .search-input::placeholder{color:#9a91ab}
    .search-submit{
      border:0;
      border-radius:var(--radius-pill);
      padding:11px 18px;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 24px rgba(115,87,216,.22);
      transition:transform var(--transition), box-shadow var(--transition), filter var(--transition);
      white-space:nowrap;
    }
    .search-submit:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 32px rgba(115,87,216,.28);
      filter:saturate(1.08);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      justify-content:flex-end;
      white-space:nowrap;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:9px 13px;
      border-radius:var(--radius-pill);
      color:var(--text);
      font-weight:750;
      font-size:14px;
    }
    .nav-link:hover{
      color:var(--primary-deep);
      background:rgba(115,87,216,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 20px rgba(115,87,216,.18);
    }
    .nav-feedback{
      border:1px solid rgba(217,93,167,.22);
      background:rgba(255,255,255,.58);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      color:var(--primary-deep);
      box-shadow:var(--shadow-sm);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:var(--radius-pill);
      font-weight:850;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 16px 34px rgba(115,87,216,.23);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 22px 46px rgba(115,87,216,.3);
    }
    .btn-secondary{
      color:var(--primary-deep);
      background:rgba(255,255,255,.76);
      border-color:rgba(115,87,216,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:#fff;
      color:var(--secondary);
      border-color:rgba(217,93,167,.28);
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
    }
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:var(--radius-pill);
      padding:7px 11px;
      font-size:13px;
      font-weight:800;
      line-height:1.2;
    }
    .badge{
      color:var(--primary-deep);
      background:rgba(115,87,216,.09);
      border:1px solid rgba(115,87,216,.15);
    }
    .tag{
      color:#7b4a13;
      background:rgba(244,166,77,.16);
      border:1px solid rgba(244,166,77,.24);
    }
    .tag.mint{
      color:#1e705e;
      background:rgba(87,189,167,.14);
      border-color:rgba(87,189,167,.24);
    }

    .article-hero{
      padding:46px 0 34px;
    }
    .breadcrumb-wrap{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb-wrap a{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary-deep);
      padding:7px 11px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.62);
      border:1px solid rgba(115,87,216,.12);
    }
    .breadcrumb-wrap a:hover{
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .breadcrumb-sep{color:#aaa1b7}
    .breadcrumb-current{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      max-width:520px;
    }
    .article-head-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,240,246,.82)),
        radial-gradient(circle at 84% 20%, rgba(115,87,216,.2), transparent 34%);
      border:1px solid rgba(115,87,216,.14);
      box-shadow:var(--shadow-lg);
      padding:38px;
    }
    .article-head-card::before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-110px;
      top:-120px;
      border-radius:50%;
      background:linear-gradient(135deg,rgba(115,87,216,.28),rgba(217,93,167,.2));
    }
    .article-head-card::after{
      content:"";
      position:absolute;
      width:170px;
      height:170px;
      left:38%;
      bottom:-110px;
      border-radius:50%;
      background:rgba(244,166,77,.14);
    }
    .article-head-inner{
      position:relative;
      z-index:1;
    }
    .article-meta-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:18px;
    }
    .article-title{
      margin:0;
      color:var(--ink);
      font-size:clamp(30px,4.4vw,52px);
      line-height:1.16;
      letter-spacing:-.035em;
      font-weight:950;
      max-width:900px;
    }
    .article-summary{
      margin:18px 0 0;
      max-width:820px;
      color:var(--text);
      font-size:18px;
      line-height:1.85;
    }
    .article-action-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-top:26px;
    }
    .trust-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      padding-top:24px;
      border-top:1px dashed rgba(115,87,216,.22);
    }
    .trust-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.68);
      color:var(--muted);
      border:1px solid rgba(115,87,216,.12);
      font-size:13px;
      font-weight:750;
    }
    .trust-item i{color:var(--primary)}

    .reading-layout{
      align-items:start;
    }
    .content-card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.86);
      border:1px solid rgba(115,87,216,.13);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .article-body{
      padding:42px 46px;
      color:var(--text);
      font-size:17px;
      line-height:1.86;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body > *:last-child{margin-bottom:0}
    .article-body p{
      margin:0 0 1.25em;
    }
    .article-body h2{
      position:relative;
      margin:2.25em 0 .85em;
      color:var(--ink);
      font-size:clamp(24px,2.6vw,32px);
      line-height:1.28;
      font-weight:930;
      letter-spacing:-.02em;
      padding-left:18px;
    }
    .article-body h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.22em;
      width:6px;
      height:1.05em;
      border-radius:99px;
      background:linear-gradient(180deg,var(--primary),var(--secondary));
    }
    .article-body h3{
      margin:1.8em 0 .7em;
      color:var(--ink);
      font-size:22px;
      line-height:1.36;
      font-weight:900;
    }
    .article-body h4{
      margin:1.5em 0 .6em;
      color:var(--primary-deep);
      font-size:19px;
      font-weight:900;
    }
    .article-body a{
      font-weight:800;
      border-bottom:1px solid rgba(115,87,216,.24);
    }
    .article-body a:hover{
      border-bottom-color:rgba(217,93,167,.5);
    }
    .article-body ul,.article-body ol{
      margin:0 0 1.35em 1.2em;
      padding:0;
    }
    .article-body li{
      margin:.45em 0;
      padding-left:.15em;
    }
    .article-body blockquote{
      margin:1.8em 0;
      padding:22px 24px;
      border:0;
      border-left:6px solid var(--secondary);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:linear-gradient(135deg,rgba(255,240,246,.88),rgba(240,235,255,.66));
      color:var(--ink);
      box-shadow:var(--shadow-sm);
    }
    .article-body blockquote p:last-child{margin-bottom:0}
    .article-body img{
      border-radius:24px;
      box-shadow:0 18px 42px rgba(77,53,168,.13);
      margin:24px auto;
      border:1px solid rgba(115,87,216,.12);
    }
    .article-body figure{
      margin:28px 0;
    }
    .article-body figcaption{
      text-align:center;
      color:var(--muted);
      font-size:14px;
      margin-top:10px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:28px 0;
      overflow:hidden;
      border-radius:20px;
      border:1px solid rgba(115,87,216,.15);
      box-shadow:var(--shadow-sm);
      background:#fff;
    }
    .article-body th,.article-body td{
      padding:14px 16px;
      border-bottom:1px solid rgba(115,87,216,.11);
      vertical-align:top;
    }
    .article-body th{
      color:var(--ink);
      background:rgba(115,87,216,.08);
      font-weight:900;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body code{
      display:inline-block;
      padding:2px 7px;
      border-radius:8px;
      background:rgba(115,87,216,.1);
      color:var(--primary-deep);
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      font-size:.92em;
    }
    .article-body pre{
      overflow:auto;
      padding:20px;
      border-radius:22px;
      color:#f7f2ff;
      background:#2b2442;
      box-shadow:var(--shadow-md);
      line-height:1.7;
    }
    .article-body pre code{
      padding:0;
      background:transparent;
      color:inherit;
    }
    .not-found-box{
      text-align:center;
      padding:58px 24px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(240,235,255,.78),rgba(255,240,246,.72));
      border:1px dashed rgba(115,87,216,.24);
    }
    .not-found-icon{
      width:72px;
      height:72px;
      display:grid;
      place-items:center;
      margin:0 auto 18px;
      border-radius:26px;
      color:#fff;
      font-size:28px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 18px 38px rgba(115,87,216,.24);
    }
    .not-found-box h2{
      margin:0 0 10px;
      color:var(--ink);
      font-size:28px;
      font-weight:950;
    }
    .not-found-box p{
      margin:0 auto 22px;
      color:var(--muted);
      max-width:520px;
    }

    .side-panel{
      position:sticky;
      top:108px;
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .poster-card{
      min-height:420px;
      border-radius:var(--radius-lg);
      padding:24px;
      color:#fff;
      background:
        radial-gradient(circle at 28% 18%, rgba(255,255,255,.24), transparent 28%),
        radial-gradient(circle at 74% 78%, rgba(244,166,77,.26), transparent 30%),
        linear-gradient(145deg,#4d35a8 0%,#7357d8 48%,#d95da7 100%);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .poster-card::before{
      content:"";
      position:absolute;
      inset:16px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.22);
    }
    .poster-card::after{
      content:"";
      position:absolute;
      right:-34px;
      bottom:-46px;
      width:170px;
      height:170px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .poster-content{
      position:relative;
      z-index:1;
      min-height:372px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:24px;
    }
    .poster-label{
      display:inline-flex;
      width:max-content;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.2);
      font-size:13px;
      font-weight:850;
      backdrop-filter:blur(8px);
    }
    .poster-title{
      margin:0;
      color:#fff;
      font-size:28px;
      line-height:1.24;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .poster-desc{
      margin:12px 0 0;
      color:rgba(255,255,255,.82);
      line-height:1.75;
    }
    .poster-dots{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:8px;
      max-width:220px;
    }
    .poster-dots span{
      height:8px;
      border-radius:99px;
      background:rgba(255,255,255,.22);
    }
    .poster-dots span:nth-child(2),.poster-dots span:nth-child(5),.poster-dots span:nth-child(7){
      background:rgba(255,255,255,.56);
    }
    .quick-card,.guide-card{
      border-radius:var(--radius-md);
      padding:22px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(115,87,216,.13);
      box-shadow:var(--shadow-sm);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .quick-card:hover,.guide-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:rgba(217,93,167,.24);
    }
    .quick-title{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 0 12px;
      color:var(--ink);
      font-size:18px;
      font-weight:950;
    }
    .quick-title i{color:var(--primary)}
    .quick-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .quick-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:11px 12px;
      border-radius:16px;
      color:var(--text);
      background:rgba(240,235,255,.46);
      font-weight:800;
    }
    .quick-list a:hover{
      color:var(--primary-deep);
      background:rgba(115,87,216,.11);
      transform:translateX(3px);
    }

    .updates-rail{
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(115,87,216,.13);
      box-shadow:var(--shadow-md);
      padding:28px;
    }
    .rail-list{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:22px;
    }
    .rail-card{
      position:relative;
      min-height:190px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(115,87,216,.12);
      box-shadow:var(--shadow-sm);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .rail-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
      border-color:rgba(115,87,216,.26);
    }
    .rail-card h3{
      margin:14px 0 10px;
      color:var(--ink);
      font-size:19px;
      line-height:1.35;
      font-weight:950;
    }
    .rail-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .rail-card .rail-link{
      position:absolute;
      left:22px;
      bottom:18px;
      display:inline-flex;
      align-items:center;
      gap:7px;
      font-weight:900;
      font-size:14px;
    }

    .guide-panel{
      border-radius:var(--radius-lg);
      padding:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.88),rgba(240,235,255,.72)),
        radial-gradient(circle at 90% 0%,rgba(217,93,167,.14),transparent 34%);
      border:1px solid rgba(115,87,216,.13);
      box-shadow:var(--shadow-md);
    }
    .guide-steps{
      counter-reset:guide;
      display:grid;
      gap:14px;
      margin-top:24px;
    }
    .guide-step{
      counter-increment:guide;
      display:grid;
      grid-template-columns:46px 1fr;
      gap:14px;
      align-items:start;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(115,87,216,.11);
    }
    .guide-step::before{
      content:counter(guide);
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:17px;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 24px rgba(115,87,216,.2);
    }
    .guide-step h3{
      margin:0 0 5px;
      color:var(--ink);
      font-size:18px;
      font-weight:950;
    }
    .guide-step p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
    }

    .faq-list.accordion{
      margin:0;
      background:transparent;
    }
    .faq-list .accordion-item{
      margin-bottom:14px;
      border-radius:22px;
      overflow:hidden;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(115,87,216,.13);
      box-shadow:var(--shadow-sm);
      transition:box-shadow var(--transition), border-color var(--transition), transform var(--transition);
    }
    .faq-list .accordion-item:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-md);
      border-color:rgba(115,87,216,.24);
    }
    .faq-list .accordion-title{
      position:relative;
      border:0;
      color:var(--ink);
      padding:20px 54px 20px 22px;
      font-size:17px;
      font-weight:950;
      background:transparent;
    }
    .faq-list .accordion-title:hover,.faq-list .accordion-title:focus{
      background:rgba(240,235,255,.58);
      color:var(--primary-deep);
    }
    .faq-list .accordion-title::before{
      content:"\f078";
      font-family:"Font Awesome 6 Free";
      font-weight:900;
      right:22px;
      top:50%;
      transform:translateY(-50%);
      margin:0;
      color:var(--primary);
      transition:transform var(--transition);
    }
    .faq-list .is-active .accordion-title::before{
      transform:translateY(-50%) rotate(180deg);
    }
    .faq-list .accordion-content{
      border:0;
      background:rgba(255,255,255,.64);
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.8;
    }

    .feedback-card{
      border-radius:var(--radius-lg);
      padding:34px;
      background:linear-gradient(135deg,rgba(38,34,52,.96),rgba(77,53,168,.92));
      color:rgba(255,255,255,.84);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .feedback-card::before{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      right:-90px;
      top:-110px;
      border-radius:50%;
      background:rgba(217,93,167,.24);
    }
    .feedback-card h2{
      position:relative;
      margin:0 0 12px;
      color:#fff;
      font-size:clamp(26px,3vw,38px);
      line-height:1.25;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .feedback-card p{
      position:relative;
      margin:0;
      max-width:680px;
    }
    .feedback-form{
      position:relative;
      margin-top:24px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
    }
    .feedback-form input{
      height:auto;
      margin:0;
      padding:15px 18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.1);
      color:#fff;
      box-shadow:none;
    }
    .feedback-form input::placeholder{color:rgba(255,255,255,.62)}
    .feedback-form input:focus{
      border-color:rgba(244,166,77,.72);
      background:rgba(255,255,255,.14);
      box-shadow:0 0 0 5px rgba(244,166,77,.14);
    }
    .feedback-form button{
      border:0;
      border-radius:18px;
      padding:0 20px;
      color:#2b2442;
      font-weight:950;
      background:linear-gradient(135deg,#ffd88d,var(--accent));
      box-shadow:0 16px 32px rgba(244,166,77,.22);
    }
    .feedback-form button:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(244,166,77,.3);
    }

    .site-footer{
      padding:58px 0 28px;
      background:linear-gradient(180deg,rgba(255,250,244,.28),rgba(38,34,52,.96));
      color:rgba(255,255,255,.72);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .7fr .8fr;
      gap:34px;
      padding:34px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(10px);
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
      color:#fff;
      font-size:20px;
      font-weight:950;
    }
    .footer-brand:hover{color:#fff}
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
      display:inline-block;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      color:rgba(255,255,255,.58);
      font-size:14px;
    }

    @media (max-width:1100px){
      .nav-wrap{
        grid-template-columns:auto 1fr auto;
      }
      .nav-links{
        position:absolute;
        left:16px;
        right:16px;
        top:calc(100% + 8px);
        display:none;
        flex-wrap:wrap;
        justify-content:flex-start;
        padding:14px;
        border-radius:22px;
        background:rgba(255,250,244,.96);
        border:1px solid rgba(115,87,216,.13);
        box-shadow:var(--shadow-md);
      }
      .nav-links.is-open{display:flex}
      .menu-toggle{display:grid;place-items:center}
      .nav-search{max-width:none}
    }
    @media (max-width:1023px){
      .section{padding:68px 0}
      .article-head-card{padding:30px}
      .side-panel{
        position:static;
        margin-top:24px;
      }
      .rail-list{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:760px){
      .site-shell{width:min(calc(100% - 24px),var(--container))}
      .nav-wrap{
        grid-template-columns:1fr auto;
        gap:12px;
      }
      .brand{font-size:18px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .nav-search{
        grid-column:1/-1;
        order:3;
      }
      .nav-search form{
        border-radius:24px;
      }
      .search-submit{
        padding:10px 14px;
      }
      .article-hero{padding:28px 0 26px}
      .breadcrumb-current{max-width:260px}
      .article-head-card{
        border-radius:28px;
        padding:24px;
      }
      .article-title{
        font-size:clamp(29px,9vw,38px);
      }
      .article-summary{font-size:16px}
      .article-action-row .btn{
        width:100%;
      }
      .article-body{
        padding:28px 22px;
        font-size:16px;
        line-height:1.82;
      }
      .article-body table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
      }
      .poster-card{min-height:320px}
      .poster-content{min-height:272px}
      .section-head{
        display:block;
      }
      .feedback-form{
        grid-template-columns:1fr;
      }
      .feedback-form button{
        min-height:50px;
      }
      .footer-grid{
        grid-template-columns:1fr;
        padding:24px;
      }
    }
    @media (max-width:520px){
      .section{padding:54px 0}
      .nav-link{width:calc(50% - 4px)}
      .nav-feedback{width:100%}
      .search-icon{display:none}
      .search-input{font-size:14px}
      .article-head-card{padding:22px 18px}
      .trust-item{width:100%;justify-content:center}
      .guide-step{
        grid-template-columns:1fr;
      }
      .guide-step::before{
        width:42px;
        height:42px;
      }
      .updates-rail,.guide-panel,.feedback-card{
        padding:22px;
        border-radius:28px;
      }
    }