/* roulang page: index */
:root{
      --color-primary:#6f2358;
      --color-primary-dark:#421530;
      --color-secondary:#f19a72;
      --color-pink:#f7c8d8;
      --color-cream:#fff6ea;
      --color-rose:#fff0f4;
      --color-bg:#fffaf5;
      --color-surface:#ffffff;
      --color-surface-soft:#fff4ec;
      --color-text:#2b2529;
      --color-muted:#746873;
      --color-line:rgba(111,35,88,.14);
      --shadow-soft:0 18px 50px rgba(111,35,88,.12);
      --shadow-hover:0 24px 70px rgba(111,35,88,.18);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:18px;
      --radius-pill:999px;
      --max-width:1200px;
      --gradient-main:linear-gradient(135deg,#7b285f 0%,#c7557d 46%,#f3a56f 100%);
      --gradient-soft:linear-gradient(135deg,#fff5e9 0%,#ffe7ef 48%,#f6e4ff 100%);
      --gradient-card:linear-gradient(145deg,rgba(255,246,234,.96),rgba(255,237,245,.96));
      --font-cn:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      color:var(--color-text);
      background:
        radial-gradient(circle at top left,rgba(247,200,216,.34),transparent 32rem),
        radial-gradient(circle at 90% 12%,rgba(241,154,114,.18),transparent 28rem),
        var(--color-bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .24s ease,background .24s ease,border-color .24s ease,transform .24s ease}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font-family:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(241,154,114,.45);outline-offset:3px}
    .site-container{width:min(var(--max-width),calc(100% - 40px));margin:0 auto}
    .section{padding:104px 0}
    .section.tight{padding:82px 0}
    .section-head{max-width:760px;margin-bottom:42px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border:1px solid rgba(111,35,88,.13);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.72);
      color:var(--color-primary);
      font-weight:700;
      font-size:14px;
      box-shadow:0 10px 28px rgba(111,35,88,.06);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--color-secondary),var(--color-pink));
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(36px,5vw,62px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:800;
      color:var(--color-primary-dark);
      margin-bottom:24px;
    }
    h2{
      font-size:clamp(30px,3.6vw,42px);
      line-height:1.22;
      letter-spacing:-.03em;
      font-weight:800;
      color:var(--color-primary-dark);
      margin-bottom:16px;
    }
    h3{
      font-size:24px;
      line-height:1.35;
      font-weight:800;
      color:var(--color-primary-dark);
      margin-bottom:12px;
    }
    p{font-size:16px;color:var(--color-muted)}
    .lead{font-size:18px;line-height:1.85;color:#5f535d;max-width:720px}
    .muted{color:var(--color-muted)}
    .text-gradient{
      background:var(--gradient-main);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,250,245,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(111,35,88,.1);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--color-primary-dark);
      letter-spacing:-.02em;
      font-size:18px;
    }
    .brand-mark{
      width:40px;height:40px;
      border-radius:16px;
      background:var(--gradient-main);
      box-shadow:0 12px 28px rgba(111,35,88,.22);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px 8px 8px 12px;
      border-radius:50%;
      background:rgba(255,255,255,.52);
      filter:blur(.2px);
    }
    .brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .desktop-menu{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      list-style:none;
    }
    .desktop-menu a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:8px 14px;
      border-radius:var(--radius-pill);
      color:#544750;
      font-size:15px;
      font-weight:700;
      position:relative;
    }
    .desktop-menu a:hover{
      background:rgba(255,236,229,.75);
      color:var(--color-primary);
      transform:translateY(-1px);
    }
    .desktop-menu a.active{
      color:var(--color-primary);
      background:rgba(111,35,88,.06);
      border:1px solid rgba(111,35,88,.12);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 18px;
      border-radius:var(--radius-pill);
      background:var(--gradient-main);
      color:#fff!important;
      font-weight:800;
      box-shadow:0 12px 24px rgba(111,35,88,.16);
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(111,35,88,.22)}
    .mobile-toggle{
      display:none;
      width:44px;height:44px;
      border:1px solid rgba(111,35,88,.14);
      border-radius:16px;
      background:#fff5ec;
      color:var(--color-primary);
      align-items:center;
      justify-content:center;
      padding:0;
    }
    .toggle-lines,.toggle-lines::before,.toggle-lines::after{
      display:block;
      width:18px;height:2px;
      background:currentColor;
      border-radius:3px;
      content:"";
      transition:transform .2s ease,opacity .2s ease;
    }
    .toggle-lines::before{transform:translateY(-6px)}
    .toggle-lines::after{transform:translateY(4px)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(111,35,88,.1);
      padding:12px 0 18px;
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:13px 4px;
      font-weight:800;
      color:#55464f;
      border-bottom:1px solid rgba(111,35,88,.08);
    }
    .mobile-panel a.active{color:var(--color-primary)}

    .hero{
      padding:78px 0 64px;
      position:relative;
    }
    .hero::before{
      content:"";
      position:absolute;
      right:-12%;
      top:36px;
      width:420px;height:420px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(247,200,216,.38),transparent 68%);
      pointer-events:none;
    }
    .hero-panel{
      border-radius:42px;
      background:linear-gradient(135deg,rgba(255,255,255,.84),rgba(255,240,244,.72));
      border:1px solid rgba(111,35,88,.12);
      box-shadow:var(--shadow-soft);
      padding:52px;
      overflow:hidden;
      position:relative;
    }
    .hero-copy{position:relative;z-index:2}
    .hero-actions{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:12px 22px;
      border-radius:var(--radius-pill);
      font-weight:800;
      font-size:15px;
      line-height:1;
      border:1px solid transparent;
      transition:transform .24s ease,box-shadow .24s ease,background .24s ease,border-color .24s ease,color .24s ease;
    }
    .btn-primary{
      background:var(--gradient-main);
      color:#fff;
      box-shadow:0 14px 30px rgba(111,35,88,.22);
    }
    .btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-2px);box-shadow:0 22px 44px rgba(111,35,88,.28)}
    .btn-secondary{
      background:rgba(255,255,255,.75);
      color:var(--color-primary);
      border-color:rgba(111,35,88,.16);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:#fff1e8;
      border-color:rgba(111,35,88,.28);
      transform:translateY(-2px);
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.76);
      color:#6d5364;
      font-weight:700;
      font-size:13px;
      border:1px solid rgba(111,35,88,.1);
    }
    .tag.dark{background:rgba(111,35,88,.08);color:var(--color-primary)}
    .visual-board{
      min-height:450px;
      position:relative;
      border-radius:36px;
      background:
        radial-gradient(circle at 20% 20%,rgba(255,255,255,.78),transparent 26%),
        radial-gradient(circle at 82% 30%,rgba(247,200,216,.62),transparent 24%),
        var(--gradient-main);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 26px 60px rgba(111,35,88,.22);
      overflow:hidden;
      isolation:isolate;
    }
    .visual-board::before{
      content:"";
      position:absolute;
      inset:34px;
      border-radius:30px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px),
        linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
      background-size:28px 28px;
      opacity:.55;
    }
    .visual-core{
      position:absolute;
      width:220px;height:220px;
      left:50%;
      top:52%;
      transform:translate(-50%,-50%);
      border-radius:42% 58% 48% 52%;
      background:linear-gradient(135deg,#fff8ed,#ffd5de 54%,#ffe0aa);
      box-shadow:0 28px 60px rgba(66,21,48,.2);
      animation:softFloat 6s ease-in-out infinite;
    }
    .visual-card{
      position:absolute;
      left:38px;
      right:38px;
      bottom:36px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(255,255,255,.55);
      box-shadow:0 18px 42px rgba(66,21,48,.18);
      backdrop-filter:blur(10px);
    }
    .visual-card strong{display:block;color:var(--color-primary-dark);font-size:18px;margin-bottom:3px}
    .visual-card span{color:#7b6673;font-size:13px;font-weight:700}
    .floating-badge{
      position:absolute;
      z-index:4;
      padding:14px 16px;
      border-radius:22px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(255,255,255,.6);
      box-shadow:0 18px 42px rgba(66,21,48,.18);
      min-width:138px;
    }
    .floating-badge b{display:block;color:var(--color-primary);font-size:24px;line-height:1.1}
    .floating-badge span{font-size:12px;color:#76636d;font-weight:700}
    .floating-badge.one{top:42px;left:34px}
    .floating-badge.two{top:112px;right:28px}
    .floating-badge.three{bottom:126px;left:18px}
    @keyframes softFloat{
      0%,100%{transform:translate(-50%,-50%) rotate(0deg)}
      50%{transform:translate(-50%,-55%) rotate(4deg)}
    }

    .capability-layout{
      display:grid;
      grid-template-columns:1.25fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .card{
      background:rgba(255,255,255,.82);
      border:1px solid var(--color-line);
      border-radius:var(--radius-lg);
      box-shadow:0 14px 38px rgba(111,35,88,.08);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(111,35,88,.25);
      box-shadow:var(--shadow-hover);
    }
    .feature-card{
      padding:32px;
      min-height:100%;
      position:relative;
    }
    .feature-card.large{
      padding:42px;
      background:
        radial-gradient(circle at top right,rgba(241,154,114,.18),transparent 18rem),
        var(--gradient-card);
    }
    .feature-stack{display:grid;gap:24px}
    .icon-bubble{
      width:54px;height:54px;
      border-radius:20px;
      background:linear-gradient(135deg,rgba(111,35,88,.12),rgba(241,154,114,.22));
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--color-primary);
      font-weight:900;
      font-size:22px;
      margin-bottom:20px;
    }
    .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
    .mini-tag{
      padding:6px 10px;
      border-radius:var(--radius-pill);
      background:rgba(111,35,88,.07);
      color:var(--color-primary);
      font-size:12px;
      font-weight:800;
    }

    .metrics{
      background:linear-gradient(180deg,rgba(255,244,236,.9),rgba(255,250,245,.9));
      border-top:1px solid rgba(111,35,88,.08);
      border-bottom:1px solid rgba(111,35,88,.08);
    }
    .metric-card{
      padding:28px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(111,35,88,.1);
      min-height:170px;
      position:relative;
      overflow:hidden;
    }
    .metric-card::after{
      content:"";
      position:absolute;
      right:-24px;bottom:-24px;
      width:112px;height:112px;
      border-radius:50%;
      background:rgba(247,200,216,.28);
    }
    .metric-number{
      display:block;
      font-size:40px;
      line-height:1;
      font-weight:900;
      color:var(--color-primary);
      margin-bottom:12px;
    }
    .metric-card p{margin-bottom:0}
    .progress-line{
      height:9px;
      background:#f4e4e9;
      border-radius:999px;
      overflow:hidden;
      margin-top:18px;
    }
    .progress-line span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:var(--gradient-main);
    }

    .scene-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:24px;
    }
    .scene-card{
      grid-column:span 6;
      display:grid;
      grid-template-columns:180px 1fr;
      gap:24px;
      align-items:center;
      padding:22px;
    }
    .scene-card:nth-child(2){margin-top:34px}
    .scene-card:nth-child(3){grid-column:span 7}
    .scene-card:nth-child(4){grid-column:span 5}
    .abstract-thumb{
      min-height:156px;
      border-radius:24px;
      background:
        radial-gradient(circle at 25% 25%,rgba(255,255,255,.9),transparent 24%),
        radial-gradient(circle at 72% 68%,rgba(247,200,216,.72),transparent 28%),
        linear-gradient(135deg,#7b285f,#f3a56f);
      position:relative;
      overflow:hidden;
    }
    .abstract-thumb::after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:20px;
      border:1px dashed rgba(255,255,255,.56);
    }
    .result-label{
      display:inline-flex;
      margin-top:8px;
      padding:6px 10px;
      border-radius:var(--radius-pill);
      background:#fff2e8;
      color:#8a3d33;
      font-size:12px;
      font-weight:900;
    }

    .flow-wrap{
      position:relative;
    }
    .flow-wrap::before{
      content:"";
      position:absolute;
      left:50%;
      top:32px;
      bottom:32px;
      width:1px;
      border-left:1px dashed rgba(111,35,88,.24);
      transform:translateX(-50%);
    }
    .step-card{
      position:relative;
      padding:28px;
      margin-bottom:22px;
      display:grid;
      grid-template-columns:76px 1fr;
      gap:20px;
      align-items:start;
    }
    .step-no{
      width:62px;height:62px;
      border-radius:22px;
      background:var(--gradient-main);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      font-size:20px;
      box-shadow:0 14px 30px rgba(111,35,88,.18);
    }

    .proof-panel{
      border-radius:36px;
      padding:44px;
      background:var(--color-primary-dark);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .proof-panel::after{
      content:"";
      position:absolute;
      right:-90px;top:-90px;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(241,154,114,.28);
    }
    .proof-panel h2,.proof-panel h3{color:#fff}
    .proof-panel p{color:rgba(255,255,255,.75)}
    .proof-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .proof-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.86);
      font-weight:600;
    }
    .check{
      width:24px;height:24px;
      flex:0 0 auto;
      border-radius:50%;
      background:rgba(241,154,114,.22);
      color:#ffd9b6;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:14px;
      font-weight:900;
    }

    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(111,35,88,.12);
      border-radius:22px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 28px rgba(111,35,88,.06);
    }
    .accordion-title{
      border:0!important;
      color:var(--color-primary-dark)!important;
      font-weight:800;
      font-size:17px;
      padding:20px 58px 20px 22px;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{background:#fff4ec;color:var(--color-primary)!important}
    .accordion-title::before{
      right:22px;
      color:var(--color-primary);
      font-weight:900;
      font-size:22px;
      margin-top:-12px;
    }
    .is-active>.accordion-title{
      background:#fff4ec;
      border-left:4px solid var(--color-secondary)!important;
    }
    .accordion-content{
      border:0!important;
      padding:0 22px 22px 22px;
      background:#fff4ec;
      color:var(--color-muted);
      line-height:1.8;
    }

    .cta-panel{
      border-radius:38px;
      background:var(--gradient-main);
      color:#fff;
      box-shadow:0 28px 70px rgba(111,35,88,.22);
      padding:48px;
      position:relative;
      overflow:hidden;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-100px;
      width:310px;height:310px;
      border-radius:50%;
      background:rgba(255,255,255,.16);
    }
    .cta-panel h2,.cta-panel p{color:#fff}
    .cta-panel p{opacity:.82}
    .contact-form{
      position:relative;
      padding:26px;
      border-radius:28px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(255,255,255,.45);
      box-shadow:0 18px 44px rgba(66,21,48,.18);
    }
    .form-label{
      display:block;
      color:var(--color-primary-dark);
      font-weight:800;
      margin-bottom:7px;
      font-size:14px;
    }
    .contact-form input,
    .contact-form select,
    .contact-form textarea{
      width:100%;
      border:1px solid rgba(111,35,88,.14);
      background:#fffaf5;
      border-radius:16px;
      box-shadow:none;
      min-height:46px;
      padding:11px 14px;
      color:var(--color-text);
      margin-bottom:16px;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .contact-form textarea{min-height:126px;resize:vertical}
    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus{
      border-color:rgba(111,35,88,.45);
      box-shadow:0 0 0 4px rgba(241,154,114,.16);
      background:#fff;
      outline:0;
    }
    .form-hint{
      font-size:13px;
      color:#7f6d77;
      margin:-4px 0 16px;
    }

    .site-footer{
      background:#351729;
      color:rgba(255,255,255,.76);
      padding:64px 0 28px;
      margin-top:88px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:19px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
      font-size:16px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .footer-links a{color:rgba(255,255,255,.72);font-weight:600}
    .footer-links a:hover{color:#ffd4af}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);
      margin-top:44px;
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.56);
      font-size:13px;
    }

    @media (max-width:1024px){
      .section{padding:88px 0}
      .hero-panel{padding:38px}
      .visual-board{min-height:390px;margin-top:30px}
      .capability-layout{grid-template-columns:1fr}
      .scene-card,.scene-card:nth-child(3),.scene-card:nth-child(4){grid-column:span 12}
      .scene-card:nth-child(2){margin-top:0}
      .flow-wrap::before{left:31px}
    }
    @media (max-width:767px){
      .site-container{width:min(100% - 28px,var(--max-width))}
      .section{padding:66px 0}
      .section.tight{padding:58px 0}
      .desktop-menu{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel.is-open{display:block}
      .nav-wrap{min-height:70px}
      .brand{font-size:16px;max-width:calc(100% - 60px)}
      .hero{padding:42px 0 42px}
      .hero-panel{padding:26px;border-radius:30px}
      .hero-actions{align-items:stretch}
      .hero-actions .btn{width:100%}
      .visual-board{min-height:330px;border-radius:28px}
      .floating-badge{min-width:118px;padding:12px}
      .floating-badge b{font-size:20px}
      .floating-badge.two{right:14px;top:90px}
      .floating-badge.one{left:16px;top:24px}
      .floating-badge.three{display:none}
      .visual-card{left:18px;right:18px;bottom:18px}
      .feature-card,.feature-card.large{padding:26px}
      .scene-card{grid-template-columns:1fr;padding:18px}
      .abstract-thumb{min-height:150px}
      .step-card{grid-template-columns:1fr;padding:24px}
      .flow-wrap::before{display:none}
      .proof-panel,.cta-panel{padding:30px;border-radius:30px}
      .contact-form{padding:20px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      h2{font-size:29px}
      h3{font-size:22px}
      .lead{font-size:16px}
      .hero-tags{gap:8px}
      .tag{font-size:12px}
      .metric-card{min-height:auto}
      .metric-number{font-size:34px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#6f235f;
      --color-primary-2:#9a3f75;
      --color-accent:#f2a766;
      --color-pink:#ffe3e2;
      --color-cream:#fff8ef;
      --color-bg:#fffaf5;
      --color-soft:#f8efec;
      --color-card:#ffffff;
      --color-text:#2b2429;
      --color-muted:#72666d;
      --color-light:#fff3ea;
      --color-border:rgba(111,35,95,.14);
      --shadow-soft:0 18px 55px rgba(111,35,95,.12);
      --shadow-card:0 12px 34px rgba(87,48,65,.09);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1180px;
      --ease:all .24s ease;
      --gradient-main:linear-gradient(135deg,#6f235f 0%,#c45b82 48%,#f2a766 100%);
      --gradient-soft:linear-gradient(135deg,#fff7ef 0%,#ffe3e2 48%,#f7d9ef 100%);
      --gradient-card:linear-gradient(145deg,rgba(255,255,255,.94),rgba(255,247,241,.88));
      --font-cn:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 6%,rgba(242,167,102,.18),transparent 26%),
        radial-gradient(circle at 90% 12%,rgba(196,91,130,.16),transparent 28%),
        var(--color-bg);
      line-height:1.75;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    input,textarea,select{width:100%}
    ::selection{background:rgba(242,167,102,.42);color:#34112c}

    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
    }
    .section{padding:96px 0}
    .section-tight{padding:72px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(111,35,95,.08);
      color:var(--color-primary);
      font-size:14px;
      font-weight:700;
      margin-bottom:16px;
    }
    .section-kicker:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(242,167,102,.18);
    }
    .section-title{
      margin:0 0 16px;
      font-size:clamp(30px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.02em;
      color:#30202b;
      font-weight:800;
    }
    .section-desc{
      margin:0;
      color:var(--color-muted);
      font-size:17px;
      max-width:740px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(255,250,245,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(111,35,95,.09);
    }
    .nav-wrap{
      height:82px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--color-primary);
    }
    .brand:hover{transform:translateY(-1px);color:var(--color-primary)}
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:14px 18px 14px 22px;
      background:var(--gradient-main);
      box-shadow:0 9px 22px rgba(196,91,130,.22);
      display:inline-block;
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:12px;
      height:12px;
      border-radius:50%;
      right:6px;
      top:6px;
      background:rgba(255,255,255,.72);
    }
    .brand-text{
      font-size:18px;
      letter-spacing:-.01em;
      white-space:nowrap;
    }
    .desktop-menu{
      list-style:none;
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      padding:0;
    }
    .desktop-menu a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      font-size:15px;
      font-weight:650;
      color:#493943;
    }
    .desktop-menu a:hover{
      background:rgba(111,35,95,.06);
      color:var(--color-primary);
    }
    .desktop-menu a.active{
      color:var(--color-primary);
      background:rgba(111,35,95,.07);
    }
    .desktop-menu a.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-accent));
    }
    .desktop-menu .nav-cta{
      margin-left:6px;
      color:#fff;
      background:var(--gradient-main);
      box-shadow:0 10px 26px rgba(111,35,95,.18);
    }
    .desktop-menu .nav-cta:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 14px 30px rgba(111,35,95,.24);
      background:linear-gradient(135deg,#7b276a 0%,#c55e82 42%,#f5b36f 100%);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--color-border);
      background:#fff8f2;
      border-radius:15px;
      position:relative;
      transition:var(--ease);
    }
    .mobile-toggle:hover,.mobile-toggle:focus{
      border-color:rgba(111,35,95,.28);
      box-shadow:0 0 0 4px rgba(111,35,95,.08);
      outline:none;
    }
    .toggle-lines,.toggle-lines:before,.toggle-lines:after{
      position:absolute;
      left:11px;
      right:11px;
      height:2px;
      border-radius:999px;
      background:var(--color-primary);
      transition:var(--ease);
    }
    .toggle-lines{top:21px}
    .toggle-lines:before,.toggle-lines:after{content:"";left:0;right:0}
    .toggle-lines:before{top:-7px}
    .toggle-lines:after{top:7px}
    .mobile-toggle[aria-expanded="true"] .toggle-lines{background:transparent}
    .mobile-toggle[aria-expanded="true"] .toggle-lines:before{top:0;transform:rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .toggle-lines:after{top:0;transform:rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel a{
      display:block;
      padding:14px 16px;
      margin-top:8px;
      border-radius:16px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(111,35,95,.08);
      font-weight:700;
      color:#493943;
    }
    .mobile-panel a.active{
      color:var(--color-primary);
      border-color:rgba(111,35,95,.2);
      background:#fff2e6;
    }

    .crumbs{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:rgba(255,255,255,.82);
      font-size:14px;
      font-weight:650;
    }
    .crumbs a{color:#fff}
    .crumbs span{opacity:.78}
    .category-hero{
      position:relative;
      padding:72px 0 76px;
      overflow:hidden;
      background:
        radial-gradient(circle at 82% 22%,rgba(255,227,226,.38),transparent 28%),
        radial-gradient(circle at 16% 80%,rgba(242,167,102,.22),transparent 30%),
        var(--gradient-main);
      color:#fff;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.16;
      background-image:
        linear-gradient(135deg,rgba(255,255,255,.28) 1px,transparent 1px),
        linear-gradient(45deg,rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:46px 46px,82px 82px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.85),rgba(0,0,0,.25));
    }
    .category-hero .site-container{position:relative;z-index:1}
    .hero-copy h1{
      margin:0 0 18px;
      font-size:clamp(36px,5.2vw,58px);
      line-height:1.1;
      font-weight:850;
      max-width:880px;
      letter-spacing:-.035em;
    }
    .hero-copy p{
      margin:0;
      max-width:760px;
      color:rgba(255,255,255,.88);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
    }
    .hero-panel{
      min-height:340px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.14);
      padding:24px;
      box-shadow:0 24px 70px rgba(59,20,52,.24);
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-70px;
      top:-70px;
      background:radial-gradient(circle,#fff1d8,rgba(255,227,226,.35),transparent 68%);
    }
    .visual-stack{
      position:relative;
      z-index:1;
      height:100%;
      display:grid;
      gap:15px;
      align-content:center;
    }
    .visual-row{
      display:flex;
      gap:12px;
      align-items:stretch;
    }
    .visual-tile{
      flex:1;
      min-height:78px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.84);
      color:#43243d;
      box-shadow:0 14px 32px rgba(61,27,54,.16);
    }
    .visual-tile strong{
      display:block;
      font-size:24px;
      line-height:1;
      color:var(--color-primary);
      margin-bottom:8px;
    }
    .visual-tile span{
      font-size:13px;
      color:#715e68;
      font-weight:700;
    }
    .visual-card{
      padding:24px;
      border-radius:28px;
      background:linear-gradient(145deg,rgba(255,255,255,.92),rgba(255,243,234,.82));
      color:#392833;
      box-shadow:0 18px 42px rgba(61,27,54,.18);
    }
    .visual-card b{display:block;font-size:20px;margin-bottom:8px}
    .visual-card p{margin:0;color:#6d5c67;font-size:14px;line-height:1.7}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--ease);
      appearance:none;
    }
    .btn-primary{
      background:var(--gradient-main);
      color:#fff;
      box-shadow:0 14px 30px rgba(111,35,95,.22);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 40px rgba(111,35,95,.28);
      outline:none;
    }
    .btn-secondary{
      background:rgba(255,255,255,.72);
      border-color:rgba(111,35,95,.14);
      color:var(--color-primary);
    }
    .category-hero .btn-secondary{
      background:rgba(255,255,255,.18);
      border-color:rgba(255,255,255,.38);
      color:#fff;
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:#fff2e7;
      color:var(--color-primary);
      transform:translateY(-2px);
      box-shadow:0 12px 24px rgba(111,35,95,.12);
      outline:none;
    }

    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(111,35,95,.1);
      color:#5b4752;
      font-size:14px;
      font-weight:750;
    }
    .tag.accent{background:#fff0df;color:#8b3b28;border-color:rgba(242,167,102,.25)}
    .tag.dark{background:rgba(111,35,95,.08);color:var(--color-primary)}
    .tag:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:currentColor;
      opacity:.55;
    }

    .content-shell{
      margin-top:-34px;
      position:relative;
      z-index:4;
    }
    .filter-panel{
      padding:22px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.92);
      border:1px solid rgba(111,35,95,.1);
      box-shadow:var(--shadow-card);
      margin-bottom:30px;
    }
    .filter-label{
      display:block;
      margin-bottom:14px;
      font-weight:800;
      color:#3d2c36;
    }
    .filter-tags{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .filter-tags a{
      padding:9px 14px;
      border-radius:999px;
      border:1px solid rgba(111,35,95,.12);
      background:#fff8f0;
      color:#5b4752;
      font-size:14px;
      font-weight:750;
    }
    .filter-tags a:hover,.filter-tags a.active{
      color:#fff;
      background:var(--gradient-main);
      border-color:transparent;
      transform:translateY(-1px);
      box-shadow:0 10px 22px rgba(111,35,95,.16);
    }

    .landing-card{
      border-radius:var(--radius-lg);
      background:var(--gradient-card);
      border:1px solid rgba(111,35,95,.11);
      box-shadow:var(--shadow-card);
      transition:var(--ease);
      overflow:hidden;
    }
    .landing-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(111,35,95,.24);
    }
    .media-card{
      display:grid;
      grid-template-columns:220px 1fr;
      gap:0;
      margin-bottom:18px;
    }
    .abstract-thumb{
      min-height:210px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 30% 28%,#fff0bf,transparent 26%),
        radial-gradient(circle at 74% 36%,#f1a2bb,transparent 30%),
        linear-gradient(135deg,#7d2f6b,#f2a766);
    }
    .abstract-thumb:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.44);
      background:linear-gradient(135deg,rgba(255,255,255,.2),rgba(255,255,255,.04));
    }
    .abstract-thumb:after{
      content:"";
      position:absolute;
      width:110px;
      height:110px;
      right:-22px;
      bottom:-18px;
      border-radius:42px;
      background:rgba(255,255,255,.34);
      transform:rotate(18deg);
    }
    .media-body{
      padding:26px 28px;
    }
    .media-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:12px;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(111,35,95,.08);
      color:var(--color-primary);
      font-size:12px;
      font-weight:800;
    }
    .read-note{
      color:#85747e;
      font-size:13px;
      font-weight:650;
    }
    .media-body h2,.media-body h3{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.28;
      font-weight:820;
      color:#352631;
    }
    .media-body p{
      margin:0 0 16px;
      color:var(--color-muted);
      font-size:16px;
      line-height:1.78;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-primary);
      font-weight:820;
    }
    .card-link:after{
      content:"→";
      transition:var(--ease);
    }
    .card-link:hover:after{transform:translateX(4px)}

    .sidebar-stack{
      display:grid;
      gap:18px;
      position:sticky;
      top:104px;
    }
    .side-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(111,35,95,.1);
      box-shadow:var(--shadow-card);
    }
    .side-card.soft{
      background:linear-gradient(145deg,#fff8ef,#ffe8e6);
    }
    .side-card h3{
      margin:0 0 12px;
      font-size:20px;
      line-height:1.3;
      color:#382532;
      font-weight:820;
    }
    .side-card p{
      margin:0;
      color:var(--color-muted);
      font-size:15px;
      line-height:1.75;
    }
    .side-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:10px;
    }
    .side-list li{
      display:flex;
      gap:10px;
      color:#5d4c56;
      font-weight:650;
      font-size:14px;
    }
    .side-list li:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-accent);
      margin-top:9px;
      flex:0 0 auto;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:16px;
    }
    .metric{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(111,35,95,.08);
    }
    .metric strong{
      display:block;
      color:var(--color-primary);
      font-size:24px;
      line-height:1.05;
      margin-bottom:4px;
    }
    .metric span{
      color:#6e5c66;
      font-size:13px;
      font-weight:700;
    }

    .feature-band{
      background:linear-gradient(180deg,rgba(255,243,234,.82),rgba(255,250,245,.96));
      border-top:1px solid rgba(111,35,95,.08);
      border-bottom:1px solid rgba(111,35,95,.08);
    }
    .feature-grid{
      margin-top:34px;
    }
    .feature-card{
      height:100%;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(111,35,95,.1);
      box-shadow:var(--shadow-card);
      transition:var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(111,35,95,.22);
      box-shadow:var(--shadow-soft);
    }
    .feature-icon{
      width:48px;
      height:48px;
      border-radius:18px;
      background:var(--gradient-soft);
      display:grid;
      place-items:center;
      color:var(--color-primary);
      font-weight:900;
      margin-bottom:18px;
      box-shadow:inset 0 0 0 1px rgba(111,35,95,.08);
    }
    .feature-card h3{
      margin:0 0 10px;
      font-size:21px;
      font-weight:820;
      color:#342531;
    }
    .feature-card p{
      margin:0;
      color:var(--color-muted);
      line-height:1.75;
    }

    .process-wrap{
      margin-top:38px;
      display:grid;
      gap:16px;
    }
    .process-item{
      display:grid;
      grid-template-columns:76px 1fr;
      gap:20px;
      align-items:start;
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(111,35,95,.1);
      box-shadow:var(--shadow-card);
      position:relative;
    }
    .process-num{
      width:58px;
      height:58px;
      border-radius:22px;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:20px;
      font-weight:900;
      background:var(--gradient-main);
      box-shadow:0 12px 24px rgba(111,35,95,.18);
    }
    .process-item h3{
      margin:0 0 6px;
      font-size:21px;
      font-weight:820;
      color:#342531;
    }
    .process-item p{
      margin:0;
      color:var(--color-muted);
      line-height:1.75;
    }

    .faq-wrap{
      margin-top:34px;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(111,35,95,.1);
      border-radius:22px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 26px rgba(87,48,65,.06);
    }
    .accordion-title{
      border:0 !important;
      color:#342531;
      font-weight:820;
      font-size:17px;
      padding:20px 54px 20px 22px;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fff6ef;
      color:var(--color-primary);
      outline:none;
    }
    .accordion-title:before{
      right:22px;
      margin-top:-11px;
      color:var(--color-primary);
      font-size:22px;
    }
    .accordion-content{
      border:0 !important;
      background:#fffaf5;
      color:var(--color-muted);
      padding:0 22px 22px;
      line-height:1.8;
    }

    .cta-panel{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 88% 20%,rgba(255,255,255,.26),transparent 25%),
        var(--gradient-main);
      color:#fff;
      padding:42px;
      box-shadow:0 24px 70px rgba(111,35,95,.22);
      overflow:hidden;
      position:relative;
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      border-radius:80px;
      right:-80px;
      bottom:-100px;
      background:rgba(255,255,255,.12);
      transform:rotate(24deg);
    }
    .cta-panel > *{position:relative;z-index:1}
    .cta-panel h2{
      margin:0 0 12px;
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .cta-panel p{
      margin:0;
      color:rgba(255,255,255,.86);
      max-width:650px;
      font-size:17px;
    }
    .contact-form{
      margin-top:26px;
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(255,255,255,.36);
      box-shadow:0 18px 44px rgba(59,20,52,.16);
      color:var(--color-text);
    }
    .form-label{
      color:#493943;
      font-weight:800;
      font-size:14px;
      margin-bottom:8px;
    }
    .contact-form input,.contact-form textarea,.contact-form select{
      border:1px solid rgba(111,35,95,.13);
      border-radius:16px;
      background:#fffaf5;
      box-shadow:none;
      min-height:48px;
      padding:12px 14px;
      color:var(--color-text);
      margin-bottom:16px;
      transition:var(--ease);
    }
    .contact-form textarea{
      min-height:126px;
      resize:vertical;
    }
    .contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
      border-color:rgba(111,35,95,.52);
      box-shadow:0 0 0 4px rgba(111,35,95,.08);
      background:#fff;
      outline:none;
    }
    .form-tip{
      color:#765f6d;
      font-size:13px;
      margin:2px 0 16px;
    }

    .site-footer{
      background:#32192c;
      color:rgba(255,255,255,.78);
      padding:64px 0 28px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:850;
      margin-bottom:16px;
    }
    .site-footer p{
      margin:0;
      max-width:460px;
      color:rgba(255,255,255,.72);
      line-height:1.8;
    }
    .footer-title{
      color:#fff;
      font-weight:820;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#ffd7a6;
      padding-left:4px;
    }
    .footer-bottom{
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    @media (max-width:1024px){
      .section{padding:80px 0}
      .category-hero{padding:60px 0 70px}
      .media-card{grid-template-columns:190px 1fr}
      .abstract-thumb{min-height:220px}
      .sidebar-stack{position:static}
    }
    @media (max-width:768px){
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{height:72px}
      .desktop-menu{display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-panel.is-open{display:block}
      .brand-text{font-size:16px;max-width:220px;overflow:hidden;text-overflow:ellipsis}
      .category-hero{padding:48px 0 58px}
      .hero-copy p{font-size:16px}
      .hero-panel{margin-top:28px;min-height:280px}
      .media-card{grid-template-columns:1fr}
      .abstract-thumb{min-height:180px}
      .media-body{padding:24px}
      .process-item{grid-template-columns:1fr;gap:14px}
      .cta-panel{padding:30px 22px}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .section{padding:64px 0}
      .section-tight{padding:54px 0}
      .brand-mark{width:31px;height:31px}
      .brand-text{max-width:180px}
      .hero-actions .btn{width:100%}
      .filter-panel{padding:18px}
      .filter-tags a{width:100%;justify-content:center;text-align:center}
      .visual-row{display:grid}
      .metric-grid{grid-template-columns:1fr}
      .contact-form{padding:18px}
    }