/* roulang page: index */
:root{
      --primary:#2F6FDB;
      --primary-dark:#1F4E9D;
      --accent:#58B7D8;
      --warning:#E6A23C;
      --title:#172033;
      --text:#4B5565;
      --muted:#7A8496;
      --bg:#F6F9FE;
      --soft:#EEF5FF;
      --white:#FFFFFF;
      --border:rgba(47,111,219,.14);
      --border-strong:rgba(47,111,219,.24);
      --shadow:0 12px 34px rgba(31,78,157,.08);
      --shadow-hover:0 18px 44px rgba(31,78,157,.14);
      --radius-sm:10px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:32px;
      --container:1200px;
      --nav-h:82px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      overflow-x:hidden;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,var(--bg) 44%,#fff 100%);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      font-size:16px;
      line-height:1.78;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;background:none;cursor:pointer}
    a:focus-visible,button:focus-visible,input:focus-visible{
      outline:2px solid var(--primary);
      outline-offset:3px;
      box-shadow:0 0 0 5px rgba(47,111,219,.13);
    }
    .container{width:min(100% - 64px,var(--container));margin-inline:auto}
    .section{padding:96px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.82);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 24px rgba(47,111,219,.06);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(88,183,216,.16);
    }
    h1,h2,h3{color:var(--title);letter-spacing:-.02em}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.16;font-weight:800}
    h2{font-size:clamp(25px,3vw,38px);line-height:1.25;font-weight:780}
    h3{font-size:clamp(19px,2vw,23px);line-height:1.35;font-weight:720}
    p{max-width:760px}
    .lead{font-size:18px;line-height:1.86;color:#536074}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 23px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      line-height:1.2;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 12px 26px rgba(47,111,219,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,78,157,.27)}
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--border-strong);
      box-shadow:0 10px 24px rgba(31,78,157,.06);
    }
    .btn-secondary:hover{background:var(--soft);transform:translateY(-2px);border-color:rgba(47,111,219,.34)}
    .btn:active{transform:translateY(1px)}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      font-weight:750;
      transition:color .2s ease,gap .2s ease;
    }
    .text-link:hover{color:var(--primary);gap:12px}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      background:rgba(255,255,255,.91);
      border-bottom:1px solid rgba(220,231,245,.82);
      backdrop-filter:saturate(130%) blur(10px);
    }
    .nav{
      height:100%;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:24px;
    }
    .nav-left,.nav-right{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .nav-left{justify-content:flex-end}
    .nav-right{justify-content:flex-start}
    .nav-link{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:#536074;
      font-size:15px;
      font-weight:700;
      transition:background .2s ease,color .2s ease;
    }
    .nav-link:hover{background:var(--soft);color:var(--primary-dark)}
    .nav-link.active{background:rgba(47,111,219,.1);color:var(--primary-dark)}
    .brand{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-width:245px;
      color:var(--title);
      font-weight:850;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      display:grid;
      place-items:center;
      color:#fff;
      box-shadow:0 12px 24px rgba(47,111,219,.22);
      font-size:15px;
      font-weight:900;
    }
    .brand span:last-child{font-size:18px}
    .nav-cta{
      margin-left:6px;
      padding:10px 16px;
      min-height:40px;
      font-size:14px;
    }
    .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--border);background:#fff}
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      margin:5px auto;
      background:var(--primary-dark);
      border-radius:999px;
      transition:transform .2s ease,opacity .2s ease;
    }
    .mobile-panel{display:none}
    .hero{
      position:relative;
      padding:82px 0 56px;
      overflow:hidden;
      background:
        linear-gradient(120deg,rgba(247,250,255,.96) 0%,rgba(238,245,255,.9) 55%,rgba(255,255,255,.94) 100%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
    }
    .hero::before{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-120px;
      top:20px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(88,183,216,.24),rgba(88,183,216,0) 68%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:110px;
      background:linear-gradient(180deg,rgba(255,255,255,0),#fff);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
      gap:54px;
      align-items:center;
    }
    .hero-copy{display:flex;flex-direction:column;gap:22px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:4px}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
      max-width:680px;
    }
    .metric{
      border:1px solid var(--border);
      background:rgba(255,255,255,.75);
      border-radius:18px;
      padding:14px 16px;
      box-shadow:0 10px 25px rgba(31,78,157,.06);
    }
    .metric strong{display:block;color:var(--title);font-size:21px;line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .dashboard{
      position:relative;
      padding:24px;
      border:1px solid rgba(47,111,219,.16);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow-hover);
    }
    .dashboard-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:#F4FBFF;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(88,183,216,.25);
    }
    .status-pill i{width:7px;height:7px;border-radius:50%;background:#2AB27B;display:inline-block}
    .dashboard-image{
      overflow:hidden;
      border-radius:24px;
      margin-bottom:18px;
      border:1px solid var(--border);
      background:var(--soft);
    }
    .dashboard-image img{width:100%;height:210px;object-fit:cover;transition:transform .35s ease}
    .dashboard:hover .dashboard-image img{transform:scale(1.035)}
    .info-list{display:grid;gap:12px}
    .info-row{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:12px;
      padding:13px;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(47,111,219,.1);
      transition:transform .2s ease,border-color .2s ease;
    }
    .info-row:hover{transform:translateY(-2px);border-color:var(--border-strong)}
    .info-icon{
      width:38px;
      height:38px;
      border-radius:13px;
      display:grid;
      place-items:center;
      color:var(--primary-dark);
      background:linear-gradient(135deg,#EEF5FF,#F8FCFF);
      font-weight:900;
    }
    .info-row strong{color:var(--title);display:block;font-size:15px}
    .info-row small{color:var(--muted);font-size:13px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      color:var(--primary-dark);
      background:rgba(47,111,219,.09);
      font-size:12px;
      font-weight:800;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:38px;
    }
    .section-head p{margin-top:14px;color:#5E697A}
    .pain-wrap{
      display:grid;
      gap:18px;
      counter-reset:pain;
    }
    .pain-card{
      counter-increment:pain;
      display:grid;
      grid-template-columns:130px 1fr;
      gap:26px;
      align-items:center;
      padding:26px 30px;
      border:1px solid var(--border);
      border-radius:24px;
      background:#fff;
      box-shadow:var(--shadow);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .pain-card:nth-child(even){margin-left:58px;background:linear-gradient(135deg,#fff,#F8FBFF)}
    .pain-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
    .pain-no{
      width:94px;
      height:64px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--soft);
      color:var(--primary-dark);
      font-size:22px;
      font-weight:900;
    }
    .pain-no::after{content:"0" counter(pain)}
    .pain-card p{margin-top:8px;color:#5D6878}
    .solution{
      background:linear-gradient(180deg,#fff 0%,#F6F9FE 100%);
    }
    .solution-grid{
      display:grid;
      grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);
      gap:42px;
      align-items:start;
    }
    .note-card{
      padding:32px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      position:sticky;
      top:110px;
    }
    .note-card img{
      width:100%;
      height:240px;
      object-fit:cover;
      border-radius:22px;
      margin-top:24px;
      border:1px solid var(--border);
    }
    .note-list{display:grid;gap:12px;margin-top:22px}
    .note-item{
      display:flex;
      gap:10px;
      color:#536074;
      align-items:flex-start;
    }
    .check{
      flex:0 0 auto;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(47,111,219,.11);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:900;
      margin-top:4px;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .feature-card{
      padding:26px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
    .feature-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:900;
    }
    .feature-card p{margin-top:9px;color:#657083}
    .value-section{background:var(--soft)}
    .value-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:30px;
      align-items:center;
      padding:36px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .value-stats{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .value-box{
      padding:22px;
      border-radius:22px;
      background:linear-gradient(135deg,#F8FBFF,#fff);
      border:1px solid rgba(47,111,219,.12);
    }
    .value-box strong{display:block;color:var(--primary-dark);font-size:28px;line-height:1.2}
    .value-box span{display:block;margin-top:8px;color:#637086}
    .scenario{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .quote-card{
      position:relative;
      padding:30px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      transition:transform .2s ease,box-shadow .2s ease;
    }
    .quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .quote-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--soft);
      color:var(--primary-dark);
      font-size:26px;
      font-weight:900;
      margin-bottom:18px;
    }
    .quote-card p{font-size:17px;color:#445064}
    .quote-user{
      display:flex;
      align-items:center;
      gap:12px;
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(47,111,219,.11);
    }
    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      font-weight:900;
    }
    .quote-user strong{display:block;color:var(--title)}
    .quote-user span{display:block;color:var(--muted);font-size:13px}
    .insight-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .article-main,.article-side{
      overflow:hidden;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .article-main:hover,.article-side:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
    .article-main .media{height:292px;overflow:hidden}
    .article-main img,.side-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
    .article-main:hover img,.article-side:hover img{transform:scale(1.04)}
    .article-body{padding:26px}
    .article-body h3{margin:12px 0 9px}
    .article-body p{color:#657083}
    .article-meta{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      margin-top:18px;
    }
    .side-list{display:grid;gap:16px}
    .article-side{
      display:grid;
      grid-template-columns:150px 1fr;
      padding:14px;
      gap:16px;
    }
    .side-thumb{
      overflow:hidden;
      min-height:126px;
      border-radius:18px;
      background:var(--soft);
    }
    .side-content{display:flex;flex-direction:column;justify-content:center}
    .side-content h3{font-size:19px}
    .side-content p{font-size:14px;color:#667184;margin-top:7px}
    .process{
      background:#fff;
    }
    .process-line{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .step{
      position:relative;
      padding:24px;
      border-radius:24px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,#fff,#F9FCFF);
      box-shadow:var(--shadow);
    }
    .step b{
      display:inline-flex;
      width:38px;
      height:38px;
      border-radius:14px;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:var(--primary);
      margin-bottom:16px;
    }
    .step p{margin-top:8px;color:#667184;font-size:15px}
    .faq{
      background:linear-gradient(180deg,#F6F9FE 0%,#fff 100%);
    }
    .faq-list{display:grid;gap:14px;max-width:920px;margin-inline:auto}
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      box-shadow:0 10px 26px rgba(31,78,157,.06);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:21px 24px;
      color:var(--title);
      text-align:left;
      font-weight:800;
    }
    .faq-q .plus{
      flex:0 0 auto;
      width:30px;
      height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--primary-dark);
      background:var(--soft);
      transition:transform .2s ease,background .2s ease;
    }
    .faq-a{
      display:none;
      padding:0 24px 22px;
      color:#5C6878;
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .plus{transform:rotate(45deg);background:rgba(47,111,219,.15)}
    .cta-card{
      position:relative;
      overflow:hidden;
      padding:44px;
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(47,111,219,.1),rgba(88,183,216,.13)),
        #fff;
      border:1px solid var(--border-strong);
      box-shadow:var(--shadow-hover);
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:28px;
    }
    .cta-card::after{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      right:-90px;
      bottom:-120px;
      background:radial-gradient(circle,rgba(47,111,219,.16),rgba(47,111,219,0) 70%);
      pointer-events:none;
    }
    .cta-card p{margin-top:12px;color:#5B6678}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
    .site-footer{
      margin-top:40px;
      background:#13233C;
      color:#C9D5E6;
      padding:58px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .8fr .8fr 1fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:850;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-grid p{color:#B9C6D8;font-size:15px}
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:#C9D5E6;
      font-size:15px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-note{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      color:#B9C6D8;
      font-size:14px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#9DAEC5;
      font-size:14px;
    }
    @media (max-width:1024px){
      .container{width:min(100% - 48px,var(--container))}
      .nav{grid-template-columns:auto 1fr auto}
      .brand{justify-content:flex-start;min-width:auto}
      .nav-left,.nav-right{display:none}
      .menu-toggle{display:block;justify-self:end}
      .site-header.menu-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
      .site-header.menu-open .menu-toggle span:nth-child(2){opacity:0}
      .site-header.menu-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
      .mobile-panel{
        position:absolute;
        left:24px;
        right:24px;
        top:calc(var(--nav-h) - 4px);
        display:none;
        padding:14px;
        border:1px solid var(--border);
        border-radius:0 0 24px 24px;
        background:#fff;
        box-shadow:var(--shadow-hover);
      }
      .site-header.menu-open .mobile-panel{display:grid;gap:8px}
      .mobile-panel .nav-link,.mobile-panel .btn{width:100%;justify-content:center}
      .hero-grid,.solution-grid,.value-card,.insight-grid{grid-template-columns:1fr}
      .note-card{position:relative;top:auto}
      .process-line{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--nav-h:72px}
      .container{width:min(100% - 36px,var(--container))}
      .section{padding:64px 0}
      .section-tight{padding:54px 0}
      .brand span:last-child{font-size:16px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .hero{padding:54px 0 40px}
      .hero-grid{gap:32px}
      .hero-metrics{grid-template-columns:1fr}
      .dashboard{padding:18px;border-radius:24px}
      .dashboard-image img{height:180px}
      .section-head{display:block}
      .pain-card,.pain-card:nth-child(even){grid-template-columns:1fr;margin-left:0;padding:22px}
      .pain-no{width:78px;height:50px}
      .feature-grid,.scenario,.value-stats{grid-template-columns:1fr}
      .article-side{grid-template-columns:108px 1fr}
      .side-thumb{min-height:108px}
      .cta-card{grid-template-columns:1fr;padding:30px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 32px,var(--container))}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .article-side{grid-template-columns:1fr}
      .side-thumb{height:170px}
      .process-line{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
      .mobile-panel{left:16px;right:16px}
    }

/* roulang page: category1 */
:root{
      --primary:#2F6FDB;
      --primary-dark:#1F4E9D;
      --primary-soft:#EEF5FF;
      --cyan:#58B7D8;
      --text:#172033;
      --body:#4B5565;
      --muted:#7A8496;
      --bg:#F6F9FE;
      --white:#FFFFFF;
      --line:#DCE7F5;
      --line-soft:rgba(47,111,219,.14);
      --warn:#E6A23C;
      --footer:#10233F;
      --radius-sm:10px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:32px;
      --shadow:0 12px 34px rgba(31,78,157,.08);
      --shadow-hover:0 18px 44px rgba(31,78,157,.14);
      --container:1200px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;overflow-x:hidden}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.78;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer;background:none}
    :focus-visible{outline:2px solid var(--primary);outline-offset:3px}
    .container{width:min(100% - 64px,var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(220,231,245,.9);
      backdrop-filter:blur(10px);
    }
    .nav{
      min-height:82px;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
      position:relative;
    }
    .nav-left,.nav-right{display:flex;align-items:center;gap:10px}
    .nav-left{justify-content:flex-start}
    .nav-right{justify-content:flex-end}
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:8px 14px;
      border-radius:999px;
      color:var(--body);
      font-size:15px;
      font-weight:650;
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-link:hover{color:var(--primary);background:var(--primary-soft)}
    .nav-link.active{color:var(--primary-dark);background:#EAF2FF}
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      justify-content:center;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-mark{
      display:inline-grid;
      place-items:center;
      width:42px;
      height:42px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--primary),#5EB7E5);
      color:#fff;
      font-size:13px;
      font-weight:800;
      box-shadow:0 12px 26px rgba(47,111,219,.22);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:750;
      font-size:15px;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 26px rgba(47,111,219,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--line-soft);
    }
    .btn-secondary:hover{background:var(--primary-soft);border-color:rgba(47,111,219,.26);transform:translateY(-2px)}
    .btn:active{transform:translateY(1px)}
    .nav-cta{min-height:40px;padding:9px 16px;font-size:14px}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
    .menu-toggle span{width:18px;height:2px;background:var(--primary-dark);border-radius:5px;transition:var(--ease)}
    .menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.is-open span:nth-child(2){opacity:0}
    .menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .mobile-panel{
      display:none;
      position:absolute;
      left:0;
      right:0;
      top:calc(100% + 1px);
      padding:14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 24px 24px;
      box-shadow:var(--shadow);
    }
    .section{padding:92px 0}
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line-soft);
      border-radius:999px;
      background:rgba(255,255,255,.78);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:750;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(88,183,216,.14);
    }
    .page-hero{
      position:relative;
      padding:62px 0 48px;
      background:
        linear-gradient(110deg,rgba(247,250,255,.96),rgba(238,245,255,.92),rgba(255,255,255,.98)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .page-hero:after{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-120px;
      top:-140px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(88,183,216,.28),rgba(88,183,216,0) 65%);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:26px;
      flex-wrap:wrap;
    }
    .breadcrumb a{color:var(--primary-dark);font-weight:650}
    .breadcrumb span{color:var(--muted)}
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:42px;
      align-items:center;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:18px 0 20px;
      max-width:760px;
      font-size:clamp(32px,4.4vw,52px);
      line-height:1.18;
      letter-spacing:-.045em;
      font-weight:850;
    }
    h2{
      margin:0 0 16px;
      font-size:clamp(25px,3vw,36px);
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:820;
    }
    h3{
      margin:0 0 9px;
      font-size:21px;
      line-height:1.35;
      font-weight:780;
    }
    p{color:var(--body)}
    .hero-copy{
      max-width:780px;
      font-size:17px;
      line-height:1.9;
      margin-bottom:26px;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
    .hero-note{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:760px;
    }
    .note-chip{
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.82);
      border:1px solid var(--line-soft);
      box-shadow:0 10px 24px rgba(31,78,157,.06);
    }
    .note-chip strong{display:block;color:var(--primary-dark);font-size:18px;line-height:1.2}
    .note-chip span{display:block;color:var(--muted);font-size:13px;margin-top:5px;line-height:1.5}
    .hero-visual{
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--line-soft);
      box-shadow:var(--shadow);
      padding:18px;
      transform:rotate(1.2deg);
    }
    .visual-inner{
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg,#F6FAFF,#FFFFFF);
    }
    .visual-inner img{
      width:100%;
      aspect-ratio:16/11;
      object-fit:cover;
      filter:saturate(1.02);
    }
    .visual-board{padding:22px}
    .board-row{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:13px 0;
      border-bottom:1px solid var(--line);
    }
    .board-row:last-child{border-bottom:0}
    .board-row b{color:var(--text)}
    .board-row span{color:var(--muted);font-size:14px}
    .tag-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:8px 15px;
      border-radius:999px;
      border:1px solid var(--line-soft);
      background:#fff;
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .tag.current{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 10px 22px rgba(47,111,219,.18)}
    .tag:hover{transform:translateY(-2px);border-color:rgba(47,111,219,.32)}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head p{max-width:690px;margin:0;color:var(--body)}
    .guide-layout{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-card,.side-list,.info-card,.step-card,.faq-item,.cta-card,.notice-card{
      background:#fff;
      border:1px solid var(--line-soft);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .feature-card:hover,.side-item:hover,.step-card:hover,.notice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(47,111,219,.24)}
    .feature-media{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg) var(--radius-lg) 0 0;
    }
    .feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
    .feature-card:hover .feature-media img{transform:scale(1.04)}
    .media-badge{
      position:absolute;
      left:18px;
      top:18px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.9);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(31,78,157,.12);
    }
    .feature-body{padding:28px}
    .date{display:block;color:var(--muted);font-size:13px;margin:12px 0 18px}
    .text-link{
      color:var(--primary-dark);
      font-weight:800;
      display:inline-flex;
      gap:6px;
      align-items:center;
      transition:var(--ease);
    }
    .text-link span{transition:var(--ease)}
    .text-link:hover span{transform:translateX(4px)}
    .side-list{
      padding:20px;
      display:grid;
      gap:14px;
    }
    .side-item{
      display:grid;
      grid-template-columns:96px 1fr;
      gap:15px;
      align-items:center;
      padding:12px;
      border-radius:20px;
      border:1px solid rgba(220,231,245,.72);
      background:linear-gradient(180deg,#fff,#F9FBFF);
      transition:var(--ease);
    }
    .side-item img{
      width:96px;
      height:84px;
      border-radius:16px;
      object-fit:cover;
    }
    .side-item small{display:block;color:var(--primary);font-weight:800;margin-bottom:4px}
    .side-item h3{font-size:18px;margin-bottom:5px}
    .side-item p{font-size:14px;line-height:1.65;margin:0;color:var(--muted)}
    .info-band{
      background:linear-gradient(180deg,#EEF5FF,#F8FBFF);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .info-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:center;
    }
    .notice-card{padding:30px}
    .notice-list{display:grid;gap:14px;margin:22px 0 0;padding:0;list-style:none}
    .notice-list li{
      display:flex;
      gap:11px;
      color:var(--body);
      padding:12px 0;
      border-bottom:1px dashed rgba(47,111,219,.18);
    }
    .notice-list li:last-child{border-bottom:0}
    .check{
      flex:0 0 24px;
      width:24px;height:24px;
      border-radius:50%;
      background:#EAF8FC;
      color:var(--primary-dark);
      display:grid;
      place-items:center;
      font-weight:900;
      line-height:1;
    }
    .data-panel{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .data-card{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line-soft);
      box-shadow:0 12px 28px rgba(31,78,157,.07);
    }
    .data-card b{display:block;color:var(--primary-dark);font-size:28px;line-height:1.1;margin-bottom:8px}
    .data-card span{display:block;color:var(--muted);font-size:14px;line-height:1.6}
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:step;
    }
    .step-card{
      position:relative;
      padding:26px;
      overflow:hidden;
    }
    .step-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      margin-bottom:18px;
      border-radius:15px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
    }
    .step-card:after{
      content:"";
      position:absolute;
      right:-28px;
      bottom:-28px;
      width:96px;
      height:96px;
      border-radius:50%;
      background:rgba(88,183,216,.12);
    }
    .step-card p{margin:0;font-size:15px;line-height:1.72}
    .scenario-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:start;
    }
    .scenario-img{
      position:sticky;
      top:110px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid var(--line-soft);
      background:#fff;
      padding:14px;
    }
    .scenario-img img{border-radius:24px;width:100%;aspect-ratio:4/3;object-fit:cover}
    .scenario-list{display:grid;gap:16px}
    .info-card{padding:26px}
    .info-card .mini{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      margin-bottom:12px;
    }
    .info-card p{margin:0}
    .faq-grid{display:grid;gap:14px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:22px 24px;
      color:var(--text);
      font-weight:800;
      text-align:left;
    }
    .faq-icon{
      flex:0 0 28px;
      width:28px;height:28px;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary-dark);
      display:grid;
      place-items:center;
      transition:var(--ease);
      font-weight:900;
    }
    .faq-answer{
      display:none;
      padding:0 24px 22px;
      color:var(--body);
      border-top:1px solid rgba(220,231,245,.68);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
    .cta-card{
      position:relative;
      overflow:hidden;
      padding:42px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
      background:
        linear-gradient(135deg,rgba(255,255,255,.95),rgba(238,245,255,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .cta-card:before{
      content:"";
      position:absolute;
      left:-70px;
      top:-80px;
      width:210px;
      height:210px;
      border-radius:50%;
      background:rgba(47,111,219,.11);
    }
    .cta-card > *{position:relative}
    .cta-card p{max-width:720px;margin:0}
    .site-footer{
      background:var(--footer);
      color:#C7D3E5;
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .8fr .8fr 1.1fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:850;
      margin-bottom:16px;
    }
    .footer-grid p,.footer-note{margin:0;color:#C7D3E5;font-size:14px;line-height:1.8}
    .footer-title{color:#fff;font-weight:850;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#C7D3E5;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#9FB0C9;
      font-size:13px;
    }
    @media (max-width:1100px){
      .container{width:min(100% - 48px,var(--container))}
      .nav{grid-template-columns:auto 1fr auto}
      .brand{justify-content:flex-start}
      .nav-left,.nav-right{display:none}
      .menu-toggle{display:flex;justify-self:end}
      .mobile-panel.is-open{display:grid;gap:8px}
      .mobile-panel .nav-link{width:100%;justify-content:flex-start}
      .mobile-panel .btn{width:100%;margin-top:6px}
      .hero-grid,.guide-layout,.info-grid,.scenario-wrap{grid-template-columns:1fr}
      .hero-visual{transform:none}
      .scenario-img{position:relative;top:auto}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,var(--container))}
      .site-header{position:sticky}
      .nav{min-height:70px}
      .brand span:last-child{font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .page-hero{padding:38px 0 36px}
      .section{padding:62px 0}
      .section-tight{padding:50px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .hero-note,.data-panel{grid-template-columns:1fr}
      .side-item{grid-template-columns:78px 1fr}
      .side-item img{width:78px;height:72px}
      .steps{grid-template-columns:1fr}
      .scenario-wrap{gap:18px}
      .cta-card{grid-template-columns:1fr;padding:28px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .container{width:min(100% - 32px,var(--container))}
      h1{font-size:31px}
      h2{font-size:24px}
      .hero-actions .btn,.cta-card .btn{width:100%}
      .tag-row{gap:8px}
      .tag{font-size:13px;padding:7px 12px}
      .feature-body,.notice-card,.info-card,.step-card{padding:22px}
      .side-item{grid-template-columns:1fr}
      .side-item img{width:100%;height:auto;aspect-ratio:16/9}
      .faq-question{padding:18px 20px}
      .faq-answer{padding:0 20px 18px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }