/* roulang page: index */
:root{
      --primary:#2F6FED;
      --primary-dark:#2459C7;
      --primary-soft:#EAF2FF;
      --secondary:#8B7CF6;
      --rose:#C08497;
      --bg:#F8FAFC;
      --bg-soft:#EEF5FF;
      --card:#FFFFFF;
      --text:#172033;
      --muted:#64748B;
      --muted-2:#8EA0B8;
      --border:#DCE6F2;
      --border-soft:rgba(120,144,180,.22);
      --warning:#F59E0B;
      --warning-bg:#FFF7ED;
      --success:#10B981;
      --footer:#111827;
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:32px;
      --shadow:0 18px 45px rgba(31,70,130,.10);
      --shadow-hover:0 22px 60px rgba(31,70,130,.16);
      --focus:0 0 0 4px rgba(47,111,237,.14);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(47,111,237,.10), transparent 30%),
        radial-gradient(circle at 92% 18%, rgba(192,132,151,.12), transparent 26%),
        linear-gradient(180deg,#F8FAFC 0%,#FFFFFF 48%,#F8FAFC 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    a:hover{color:var(--primary)}
    img,svg{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(47,111,237,.18)}
    .site-container{
      width:min(100% - 32px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-sm{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 5px rgba(47,111,237,.10);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(2rem,4.2vw,3.5rem);
      line-height:1.15;
      font-weight:800;
      letter-spacing:-.04em;
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(1.75rem,3vw,2.35rem);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    h3{
      font-size:1.25rem;
      line-height:1.35;
      font-weight:760;
      margin-bottom:10px;
    }
    .lead{
      color:var(--muted);
      font-size:17px;
      max-width:720px;
      margin-bottom:0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head .lead{max-width:560px}
    .text-gradient{
      background:linear-gradient(120deg,var(--primary),var(--secondary),var(--rose));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      padding:14px 0;
      background:rgba(248,250,252,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,230,242,.60);
    }
    .navbar-shell{
      width:min(100% - 32px,var(--container));
      margin-inline:auto;
      background:rgba(255,255,255,.94);
      border:1px solid var(--border-soft);
      border-radius:999px;
      box-shadow:0 16px 40px rgba(31,70,130,.08);
      padding:10px 12px 10px 16px;
    }
    .navbar{padding:0}
    .brand-wrap{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .brand-mark{
      width:40px;
      height:40px;
      flex:0 0 40px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      position:relative;
      box-shadow:0 12px 24px rgba(47,111,237,.22);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:15px;
      top:11px;
      border-left:11px solid #fff;
      border-top:7px solid transparent;
      border-bottom:7px solid transparent;
      filter:drop-shadow(0 2px 4px rgba(0,0,0,.12));
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      right:6px;
      bottom:6px;
      width:12px;
      height:12px;
      border-radius:4px;
      border:2px solid rgba(255,255,255,.92);
      background:rgba(255,255,255,.18);
    }
    .navbar-brand{
      margin:0;
      padding:0;
      max-width:360px;
      color:var(--text)!important;
      font-weight:800;
      letter-spacing:-.03em;
      line-height:1.15;
      white-space:normal;
    }
    .brand-sub{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:650;
      letter-spacing:0;
      margin-top:2px;
    }
    .navbar-toggler{
      border:0;
      border-radius:14px;
      background:var(--primary-soft);
      padding:9px 10px;
      box-shadow:none!important;
    }
    .navbar-toggler:focus{box-shadow:var(--focus)!important}
    .nav-chip-row{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex-wrap:wrap;
      margin-left:auto;
      margin-right:14px;
    }
    .nav-chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:8px 14px;
      border-radius:999px;
      background:#F3F7FF;
      border:1px solid rgba(47,111,237,.10);
      color:#31537E;
      font-size:14px;
      font-weight:720;
      white-space:nowrap;
      transition:all .22s ease;
    }
    .nav-chip:hover{
      transform:translateY(-1px);
      background:#E7F0FF;
      border-color:rgba(47,111,237,.22);
      color:var(--primary);
    }
    .nav-chip.active{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 10px 20px rgba(47,111,237,.20);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:10px 17px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),#4B8BFF);
      color:#fff!important;
      font-weight:800;
      box-shadow:0 14px 26px rgba(47,111,237,.24);
      white-space:nowrap;
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      box-shadow:0 18px 34px rgba(47,111,237,.30);
    }

    .hero{
      min-height:680px;
      padding:88px 0 72px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(47,111,237,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(47,111,237,.05) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.45),transparent 72%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.88fr);
      align-items:center;
      gap:54px;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--border-soft);
      background:rgba(255,255,255,.78);
      color:#36516F;
      font-size:13px;
      font-weight:740;
      box-shadow:0 10px 22px rgba(31,70,130,.06);
    }
    .badge-warning{
      background:var(--warning-bg);
      color:#9A5B00;
      border-color:rgba(245,158,11,.20);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:30px 0 26px;
    }
    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border:0;
      border-radius:16px;
      font-weight:800;
      line-height:1.2;
      transition:all .22s ease;
      cursor:pointer;
    }
    .btn-primary-modern{
      background:linear-gradient(135deg,var(--primary),#4B8BFF);
      color:#fff!important;
      box-shadow:0 16px 30px rgba(47,111,237,.22);
    }
    .btn-primary-modern:hover{
      transform:translateY(-2px);
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      box-shadow:0 20px 42px rgba(47,111,237,.30);
    }
    .btn-secondary-modern{
      background:#fff;
      color:var(--primary-dark)!important;
      border:1px solid rgba(47,111,237,.18);
      box-shadow:0 10px 22px rgba(31,70,130,.06);
    }
    .btn-secondary-modern:hover{
      transform:translateY(-2px);
      background:#F4F8FF;
      border-color:rgba(47,111,237,.30);
      box-shadow:0 16px 30px rgba(31,70,130,.10);
    }
    .btn-modern:focus-visible,
    .nav-chip:focus-visible,
    a:focus-visible,
    .form-control:focus{
      outline:none;
      box-shadow:var(--focus);
    }
    .trust-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      max-width:620px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .trust-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#425B78;
      font-size:14px;
      font-weight:650;
    }
    .check-dot{
      width:22px;
      height:22px;
      border-radius:999px;
      flex:0 0 22px;
      display:inline-grid;
      place-items:center;
      background:rgba(16,185,129,.12);
      color:var(--success);
      font-size:13px;
      margin-top:2px;
    }
    .hero-visual{
      position:relative;
      min-height:520px;
    }
    .media-panel{
      position:absolute;
      inset:24px 0 0 34px;
      border-radius:36px;
      background:linear-gradient(180deg,#FFFFFF 0%,#F4F8FF 100%);
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow-hover);
      padding:28px;
      overflow:hidden;
    }
    .media-panel::before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-90px;
      top:-80px;
      background:radial-gradient(circle,rgba(139,124,246,.20),transparent 64%);
    }
    .media-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:22px;
      position:relative;
      z-index:1;
    }
    .window-dots{display:flex;gap:7px}
    .window-dots span{
      width:10px;
      height:10px;
      border-radius:999px;
      background:#CBD7E8;
    }
    .window-dots span:nth-child(1){background:#F9A8A8}
    .window-dots span:nth-child(2){background:#FACC15}
    .window-dots span:nth-child(3){background:#86EFAC}
    .lock-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:#ECFDF5;
      color:#087E5A;
      font-size:13px;
      font-weight:800;
    }
    .abstract-cover{
      position:relative;
      z-index:1;
      height:170px;
      border-radius:26px;
      background:
        radial-gradient(circle at 22% 20%,rgba(255,255,255,.68),transparent 22%),
        linear-gradient(135deg,rgba(47,111,237,.90),rgba(139,124,246,.74) 52%,rgba(192,132,151,.54));
      overflow:hidden;
      margin-bottom:18px;
    }
    .abstract-cover::before,
    .abstract-cover::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.22);
    }
    .abstract-cover::before{width:180px;height:180px;right:-48px;bottom:-70px}
    .abstract-cover::after{width:96px;height:96px;left:28px;bottom:24px}
    .play-ring{
      position:absolute;
      inset:0;
      display:grid;
      place-items:center;
    }
    .play-ring span{
      width:68px;
      height:68px;
      border-radius:999px;
      background:rgba(255,255,255,.88);
      display:grid;
      place-items:center;
      box-shadow:0 16px 32px rgba(18,36,70,.18);
      color:var(--primary);
      font-size:26px;
      padding-left:4px;
    }
    .playlist{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
    }
    .playlist-item{
      display:flex;
      align-items:center;
      gap:13px;
      padding:13px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(220,230,242,.82);
      box-shadow:0 10px 24px rgba(31,70,130,.06);
    }
    .thumb{
      width:58px;
      height:46px;
      border-radius:14px;
      background:linear-gradient(135deg,#DCEAFF,#F5E8EF);
      position:relative;
      overflow:hidden;
      flex:0 0 58px;
    }
    .thumb::after{
      content:"";
      position:absolute;
      width:28px;
      height:28px;
      border-radius:999px;
      right:-7px;
      bottom:-6px;
      background:rgba(47,111,237,.22);
    }
    .playlist-text{min-width:0;flex:1}
    .line-strong{
      height:10px;
      width:75%;
      border-radius:999px;
      background:#BFD2F3;
      margin-bottom:8px;
    }
    .line-light{
      height:8px;
      width:52%;
      border-radius:999px;
      background:#E3ECF8;
    }
    .floating-card{
      position:absolute;
      z-index:3;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
      padding:18px;
    }
    .floating-card.age{
      left:0;
      top:54px;
      width:176px;
    }
    .floating-card.privacy{
      right:6px;
      bottom:20px;
      width:210px;
    }
    .float-title{
      display:flex;
      align-items:center;
      gap:8px;
      font-weight:850;
      margin-bottom:6px;
    }
    .float-text{
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
      margin:0;
    }

    .topic-track{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:stretch;
    }
    .wide-card{
      background:#fff;
      border:1px solid var(--border-soft);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
      overflow:hidden;
      min-height:330px;
    }
    .wide-card::after{
      content:"";
      position:absolute;
      right:-60px;
      top:-80px;
      width:250px;
      height:250px;
      border-radius:999px;
      background:rgba(47,111,237,.08);
    }
    .wide-card .lead{max-width:620px}
    .feature-lane{
      margin-top:28px;
      display:grid;
      gap:14px;
    }
    .feature-row{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:16px;
      border-radius:22px;
      background:#F8FBFF;
      border:1px solid rgba(220,230,242,.74);
    }
    .icon-bubble{
      width:42px;
      height:42px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      flex:0 0 42px;
    }
    .feature-row p{margin:0;color:var(--muted);font-size:14px}
    .offset-stack{
      display:grid;
      gap:18px;
      padding-top:28px;
    }
    .mini-card{
      background:#fff;
      border:1px solid var(--border-soft);
      border-radius:26px;
      box-shadow:0 14px 34px rgba(31,70,130,.08);
      padding:24px;
      transition:all .22s ease;
    }
    .mini-card:nth-child(2){margin-left:34px}
    .mini-card:nth-child(3){margin-right:28px}
    .mini-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(47,111,237,.25);
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      margin-top:12px;
      color:var(--primary);
      font-weight:800;
      font-size:14px;
    }

    .stats-band{
      background:linear-gradient(135deg,#EEF5FF,#F8FAFC 62%,#FFF7FB);
      border-block:1px solid rgba(220,230,242,.72);
    }
    .stats-panel{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      padding:18px;
      border-radius:34px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
    }
    .stat-item{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(220,230,242,.70);
    }
    .stat-number{
      color:var(--primary);
      font-size:34px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.04em;
      margin-bottom:10px;
    }
    .stat-label{
      font-weight:820;
      margin-bottom:4px;
    }
    .stat-desc{
      color:var(--muted);
      font-size:13px;
      margin:0;
      line-height:1.55;
    }

    .preview-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr 1fr;
      gap:20px;
      align-items:start;
    }
    .preview-card{
      background:#fff;
      border:1px solid var(--border-soft);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:22px;
      transition:all .22s ease;
      min-height:100%;
    }
    .preview-card.tall{padding-bottom:34px}
    .preview-card:hover{
      transform:translateY(-5px);
      border-color:rgba(47,111,237,.26);
      box-shadow:var(--shadow-hover);
    }
    .cover-small{
      height:132px;
      border-radius:22px;
      margin-bottom:18px;
      background:
        linear-gradient(135deg,rgba(47,111,237,.20),rgba(139,124,246,.16)),
        radial-gradient(circle at 78% 28%,rgba(192,132,151,.30),transparent 28%),
        #EEF5FF;
      position:relative;
      overflow:hidden;
    }
    .cover-small::before{
      content:"";
      position:absolute;
      left:20px;
      top:24px;
      width:52%;
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.75);
      box-shadow:0 28px 0 rgba(255,255,255,.50),0 56px 0 rgba(255,255,255,.34);
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:12px 0 2px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:#F3F7FF;
      color:#31537E;
      border:1px solid rgba(47,111,237,.10);
      font-size:12px;
      font-weight:760;
    }
    .preview-card p{color:var(--muted);font-size:15px;margin-bottom:0}

    .plans-wrap{
      display:grid;
      grid-template-columns:360px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .sticky-note{
      position:sticky;
      top:112px;
      border-radius:32px;
      padding:30px;
      background:linear-gradient(180deg,#FFFFFF,#F4F8FF);
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
    }
    .plan-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .plan-card{
      border-radius:28px;
      padding:26px;
      background:#fff;
      border:1px solid var(--border-soft);
      box-shadow:0 14px 34px rgba(31,70,130,.07);
      transition:all .22s ease;
    }
    .plan-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(47,111,237,.25);
    }
    .step-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .step-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
    }
    .step-no{
      width:22px;
      height:22px;
      border-radius:8px;
      background:var(--primary-soft);
      color:var(--primary);
      display:inline-grid;
      place-items:center;
      font-size:12px;
      font-weight:900;
      flex:0 0 22px;
      margin-top:2px;
    }

    .safety-box{
      border-radius:34px;
      background:#fff;
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:center;
    }
    .safety-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .safety-list li{
      padding:17px;
      border-radius:22px;
      background:#F8FBFF;
      border:1px solid rgba(220,230,242,.74);
      color:#425B78;
      font-weight:680;
    }
    .safety-list strong{
      display:block;
      color:var(--text);
      margin-bottom:4px;
    }

    .faq-section{
      background:linear-gradient(180deg,#F8FAFC,#EEF5FF);
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--border-soft)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 28px rgba(31,70,130,.06);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:820;
      color:var(--text);
      background:#fff;
      box-shadow:none!important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:#F3F7FF;
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:var(--focus)!important;
    }
    .accordion-body{
      color:var(--muted);
      padding:20px 22px 24px;
      background:#fff;
    }

    .cta-panel{
      border-radius:36px;
      padding:38px;
      background:
        radial-gradient(circle at 88% 10%,rgba(192,132,151,.18),transparent 28%),
        linear-gradient(135deg,#EEF5FF,#FFFFFF 58%,#F7F3FF);
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow-hover);
      display:grid;
      grid-template-columns:1fr 440px;
      gap:30px;
      align-items:center;
    }
    .form-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(220,230,242,.92);
      border-radius:28px;
      padding:24px;
      box-shadow:0 16px 36px rgba(31,70,130,.08);
    }
    .form-label{
      color:var(--text);
      font-weight:750;
      font-size:14px;
      margin-bottom:7px;
    }
    .form-control{
      border:1px solid var(--border);
      border-radius:15px;
      padding:12px 14px;
      color:var(--text);
      background:#fff;
      transition:all .2s ease;
    }
    .form-control::placeholder{color:#9BAABE}
    .form-control:focus{
      border-color:var(--primary);
    }
    .privacy-hint{
      color:var(--muted);
      font-size:13px;
      margin:12px 0 0;
      line-height:1.55;
    }

    .site-footer{
      background:var(--footer);
      color:#D7E0EE;
      padding:58px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      border-radius:999px;
      background:rgba(47,111,237,.14);
      right:-160px;
      top:-170px;
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.3fr .7fr .9fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(215,224,238,.14);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      font-weight:850;
      color:#fff;
      letter-spacing:-.03em;
    }
    .footer-brand .brand-mark{
      width:38px;
      height:38px;
      flex-basis:38px;
      box-shadow:none;
    }
    .footer-text{
      color:#AAB7C9;
      max-width:520px;
      margin:0;
      font-size:14px;
    }
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .footer-links a{
      color:#AAB7C9;
      font-size:14px;
    }
    .footer-links a:hover{color:#BFD8FF}
    .footer-notice{
      display:grid;
      gap:10px;
      color:#AAB7C9;
      font-size:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .footer-notice li{
      display:flex;
      gap:9px;
      align-items:flex-start;
    }
    .copyright{
      position:relative;
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      color:#8C9AB0;
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1199.98px){
      .navbar-shell{border-radius:28px}
      .hero-grid{grid-template-columns:1fr;gap:32px}
      .hero-visual{min-height:500px;max-width:620px;margin-inline:auto;width:100%}
      .nav-chip-row{margin:16px 0 0;justify-content:flex-start}
      .nav-cta{margin-top:14px;width:max-content}
      .topic-track,.plans-wrap,.safety-box,.cta-panel{grid-template-columns:1fr}
      .sticky-note{position:relative;top:auto}
      .preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .stats-panel{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:991.98px){
      .site-header{padding:10px 0}
      .navbar-collapse{
        padding-top:14px;
      }
      .nav-chip-row{
        overflow-x:auto;
        flex-wrap:nowrap;
        justify-content:flex-start;
        padding-bottom:3px;
        scrollbar-width:none;
      }
      .nav-chip-row::-webkit-scrollbar{display:none}
      .section{padding:70px 0}
      .hero{padding-top:66px;min-height:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1 / -1}
    }
    @media (max-width:767.98px){
      .site-container,.navbar-shell{width:min(100% - 24px,var(--container))}
      .navbar-shell{padding:10px 12px;border-radius:24px}
      .navbar-brand{font-size:15px;max-width:230px}
      .brand-sub{font-size:11px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn-modern{width:100%}
      .trust-list{grid-template-columns:1fr}
      .hero-visual{min-height:auto}
      .media-panel{position:relative;inset:auto;padding:20px;border-radius:28px}
      .floating-card{display:none}
      .abstract-cover{height:145px}
      .section-head{display:block}
      .topic-track,.plan-grid,.preview-grid,.safety-list,.stats-panel{grid-template-columns:1fr}
      .wide-card,.safety-box,.cta-panel{padding:24px;border-radius:28px}
      .mini-card:nth-child(2),.mini-card:nth-child(3){margin:0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }
    @media (max-width:575.98px){
      body{background:#F8FAFC}
      h1{letter-spacing:-.035em}
      .section{padding:56px 0}
      .hero{padding:48px 0 52px}
      .badge-soft{font-size:12px}
      .stat-item,.preview-card,.plan-card,.mini-card{padding:20px}
      .cta-panel{gap:22px}
      .form-card{padding:20px}
      .nav-cta{width:100%}
      .brand-mark{width:36px;height:36px;flex-basis:36px;border-radius:13px}
    }

/* roulang page: category1 */
:root{
      --primary:#2F6FED;
      --primary-deep:#245DD2;
      --primary-soft:#EAF2FF;
      --accent:#8B7CF6;
      --accent-warm:#C08497;
      --bg:#F8FAFC;
      --bg-blue:#EEF5FF;
      --card:#FFFFFF;
      --text:#172033;
      --muted:#64748B;
      --weak:#8A98AD;
      --border:#DCE6F2;
      --border-soft:rgba(120,144,180,.22);
      --warning:#F59E0B;
      --warning-bg:#FFF7ED;
      --safe:#10B981;
      --footer:#111827;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --shadow:0 18px 45px rgba(31,70,130,.10);
      --shadow-hover:0 22px 60px rgba(31,70,130,.16);
      --section:92px;
      --container:1200px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","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);
      color:var(--text);
      background:
        radial-gradient(circle at 10% 8%, rgba(47,111,237,.10), transparent 30%),
        radial-gradient(circle at 88% 20%, rgba(192,132,151,.12), transparent 28%),
        linear-gradient(180deg,#F8FAFC 0%,#FFFFFF 46%,#F8FAFC 100%);
      line-height:1.75;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease;}
    a:hover{color:var(--primary);}
    img,svg{max-width:100%;display:block;}
    button,input,textarea{font-family:inherit;}
    ::selection{background:rgba(47,111,237,.16);color:var(--text);}

    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:var(--section) 0;
      position:relative;
    }
    .section-tight{padding:68px 0;}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid rgba(47,111,237,.15);
      background:rgba(234,242,255,.82);
      color:var(--primary-deep);
      border-radius:999px;
      font-size:14px;
      line-height:1.3;
      font-weight:700;
      letter-spacing:.01em;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 0 5px rgba(47,111,237,.10);
    }
    h1,h2,h3,p{margin-top:0;}
    h1{
      font-size:clamp(30px,5vw,52px);
      line-height:1.16;
      font-weight:800;
      letter-spacing:-.035em;
      margin-bottom:20px;
    }
    h2{
      font-size:clamp(28px,3vw,38px);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.026em;
      margin-bottom:14px;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      font-weight:760;
      margin-bottom:10px;
      letter-spacing:-.012em;
    }
    .lead{
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
      max-width:760px;
      margin-bottom:0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:34px;
    }
    .section-head .lead{max-width:600px;}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:14px 0;
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .navbar-shell{
      width:min(var(--container), calc(100% - 34px));
      margin:0 auto;
      background:rgba(255,255,255,.92);
      border:1px solid var(--border-soft);
      border-radius:999px;
      box-shadow:0 16px 42px rgba(31,70,130,.10);
      padding:8px 10px 8px 14px;
    }
    .navbar{padding:0;gap:14px;}
    .brand-wrap{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:300px;
      color:var(--text);
      font-weight:800;
      letter-spacing:-.02em;
      line-height:1.18;
      padding:4px 8px 4px 0;
      white-space:normal;
    }
    .brand-wrap:hover{color:var(--text);}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      display:inline-flex;
      flex:0 0 auto;
      position:relative;
      background:
        radial-gradient(circle at 72% 28%, rgba(255,255,255,.95) 0 11%, transparent 12%),
        linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 28px rgba(47,111,237,.25);
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      border-left:12px solid #fff;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      filter:drop-shadow(0 2px 2px rgba(23,32,51,.14));
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      right:8px;
      bottom:7px;
      width:13px;
      height:12px;
      border:2px solid rgba(255,255,255,.92);
      border-radius:3px 3px 5px 5px;
      background:rgba(255,255,255,.12);
    }
    .brand-sub{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:650;
      letter-spacing:0;
      margin-top:3px;
    }
    .navbar-collapse{
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .nav-chip-row{
      display:flex;
      align-items:center;
      gap:9px;
      padding:4px;
      border-radius:999px;
      background:rgba(238,245,255,.86);
      border:1px solid rgba(220,230,242,.72);
    }
    .nav-chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:40px;
      padding:0 18px;
      border-radius:999px;
      color:#31506F;
      font-size:14px;
      font-weight:760;
      white-space:nowrap;
      transition:all .22s ease;
    }
    .nav-chip:hover{
      transform:translateY(-1px);
      color:var(--primary);
      background:#fff;
      box-shadow:0 8px 18px rgba(31,70,130,.08);
    }
    .nav-chip.active{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 24px rgba(47,111,237,.22);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 20px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--primary-deep));
      color:#fff;
      font-size:14px;
      font-weight:800;
      box-shadow:0 14px 28px rgba(47,111,237,.25);
      white-space:nowrap;
    }
    .nav-cta:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(47,111,237,.30);
    }
    .navbar-toggler{
      border:0;
      width:44px;
      height:44px;
      border-radius:14px;
      background:var(--primary-soft);
      box-shadow:none;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 4px rgba(47,111,237,.14);
    }
    .navbar-toggler-icon{
      width:1.2em;
      height:1.2em;
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2823,32,51,.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 8h22M4 15h22M4 22h22'/%3e%3c/svg%3e");
    }

    .btn-soft,.btn-primary-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:16px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      transition:all .22s ease;
      cursor:pointer;
    }
    .btn-primary-custom{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-deep));
      box-shadow:0 16px 30px rgba(47,111,237,.22);
    }
    .btn-primary-custom:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 45px rgba(47,111,237,.30);
    }
    .btn-soft{
      color:var(--primary-deep);
      background:#fff;
      border-color:rgba(47,111,237,.18);
      box-shadow:0 10px 22px rgba(31,70,130,.07);
    }
    .btn-soft:hover{
      color:var(--primary);
      border-color:rgba(47,111,237,.32);
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(31,70,130,.12);
    }
    .btn-primary-custom:focus-visible,.btn-soft:focus-visible,.nav-chip:focus-visible,.nav-cta:focus-visible,a:focus-visible{
      outline:4px solid rgba(47,111,237,.16);
      outline-offset:3px;
    }

    .category-hero{
      padding:74px 0 44px;
      position:relative;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:18px 0 auto;
      height:360px;
      background:
        linear-gradient(90deg, rgba(47,111,237,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(47,111,237,.06) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:radial-gradient(circle at center, #000 0%, transparent 70%);
      opacity:.75;
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      max-width:980px;
      margin:0 auto;
      text-align:center;
      padding:58px 34px 36px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 20% 12%, rgba(139,124,246,.13), transparent 32%),
        radial-gradient(circle at 82% 20%, rgba(47,111,237,.13), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.78));
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      bottom:-1px;
      height:6px;
      border-radius:999px 999px 0 0;
      background:linear-gradient(90deg, transparent, rgba(47,111,237,.55), rgba(192,132,151,.35), transparent);
    }
    .breadcrumb-line{
      display:flex;
      justify-content:center;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      margin-bottom:20px;
    }
    .breadcrumb-line a{color:var(--primary-deep);}
    .breadcrumb-line span{color:var(--weak);}
    .hero-badges{
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      margin:24px 0 0;
    }
    .badge-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(120,144,180,.20);
      background:#fff;
      color:#425672;
      font-size:13px;
      font-weight:750;
      box-shadow:0 8px 18px rgba(31,70,130,.05);
    }
    .badge-pill.warning{
      background:var(--warning-bg);
      border-color:rgba(245,158,11,.24);
      color:#9A5E00;
    }
    .badge-pill.safe{
      background:#ECFDF5;
      border-color:rgba(16,185,129,.24);
      color:#047857;
    }

    .filter-wrap{
      margin-top:28px;
      padding:10px;
      border-radius:999px;
      background:rgba(238,245,255,.72);
      border:1px solid rgba(220,230,242,.75);
      display:inline-flex;
      max-width:100%;
    }
    .filter-row{
      display:flex;
      gap:9px;
      overflow-x:auto;
      scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
    }
    .filter-row::-webkit-scrollbar{display:none;}
    .filter-chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 17px;
      border-radius:999px;
      border:1px solid rgba(47,111,237,.14);
      background:#fff;
      color:#36516E;
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
      transition:all .22s ease;
    }
    .filter-chip:hover{
      color:var(--primary);
      transform:translateY(-1px);
      box-shadow:0 10px 20px rgba(31,70,130,.08);
    }
    .filter-chip.active{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 12px 24px rgba(47,111,237,.22);
    }

    .category-layout{
      display:grid;
      grid-template-columns:minmax(260px, 360px) 1fr;
      gap:30px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:118px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,#fff 0%,#F7FBFF 100%);
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
      padding:30px;
      overflow:hidden;
    }
    .side-panel:before{
      content:"";
      position:absolute;
      width:150px;
      height:150px;
      right:-58px;
      top:-58px;
      border-radius:50%;
      background:rgba(139,124,246,.12);
    }
    .side-panel h2{
      font-size:28px;
      margin-bottom:12px;
      position:relative;
    }
    .side-panel p{
      color:var(--muted);
      margin-bottom:22px;
      position:relative;
    }
    .mini-list{
      display:grid;
      gap:13px;
      padding:0;
      margin:0;
      list-style:none;
      position:relative;
    }
    .mini-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:13px;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(220,230,242,.85);
    }
    .mini-icon{
      width:25px;
      height:25px;
      flex:0 0 25px;
      border-radius:9px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:13px;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--accent));
    }
    .mini-list strong{
      display:block;
      line-height:1.35;
      margin-bottom:2px;
      font-size:15px;
    }
    .mini-list span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }

    .topic-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .topic-card{
      min-height:100%;
      display:flex;
      flex-direction:column;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border-soft);
      box-shadow:0 14px 35px rgba(31,70,130,.08);
      padding:22px;
      transition:all .24s ease;
      overflow:hidden;
      position:relative;
    }
    .topic-card:hover{
      transform:translateY(-5px);
      border-color:rgba(47,111,237,.30);
      box-shadow:var(--shadow-hover);
    }
    .topic-card.tall{padding-bottom:30px;}
    .topic-cover{
      height:118px;
      border-radius:22px;
      margin-bottom:18px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 20% 24%, rgba(255,255,255,.75) 0 10%, transparent 11%),
        linear-gradient(135deg, rgba(47,111,237,.18), rgba(139,124,246,.16) 52%, rgba(192,132,151,.18));
      border:1px solid rgba(255,255,255,.7);
    }
    .topic-cover:before{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      top:22px;
      height:14px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      box-shadow:0 26px 0 rgba(255,255,255,.45), 0 52px 0 rgba(255,255,255,.28);
    }
    .topic-cover:after{
      content:"";
      position:absolute;
      right:18px;
      bottom:18px;
      width:42px;
      height:42px;
      border-radius:16px;
      background:rgba(255,255,255,.78);
      box-shadow:inset 0 0 0 1px rgba(47,111,237,.10);
    }
    .card-topline{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-bottom:12px;
    }
    .index-tag{
      color:var(--primary-deep);
      background:var(--primary-soft);
      border:1px solid rgba(47,111,237,.15);
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:850;
      line-height:1.2;
    }
    .risk-tag{
      color:#9A5E00;
      background:var(--warning-bg);
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:850;
      line-height:1.2;
    }
    .topic-card p{
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      margin-bottom:16px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:2px 0 18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      height:28px;
      padding:0 10px;
      border-radius:999px;
      background:#F7FAFF;
      border:1px solid rgba(220,230,242,.9);
      color:#58708C;
      font-size:12px;
      font-weight:750;
    }
    .card-action{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-deep);
      font-weight:850;
      font-size:14px;
    }
    .card-action:hover{
      gap:12px;
      color:var(--primary);
    }

    .notice-board{
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,247,237,.92), rgba(255,255,255,.94) 54%, rgba(234,242,255,.86));
      border:1px solid rgba(245,158,11,.18);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:1.05fr 1.3fr;
      gap:26px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .notice-board:after{
      content:"18+";
      position:absolute;
      right:30px;
      top:10px;
      color:rgba(245,158,11,.10);
      font-size:92px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.08em;
    }
    .notice-board h2{margin-bottom:10px;}
    .notice-board p{color:var(--muted);margin-bottom:0;}
    .notice-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      position:relative;
      z-index:1;
    }
    .notice-item{
      display:flex;
      gap:11px;
      align-items:flex-start;
      background:#fff;
      border:1px solid rgba(220,230,242,.84);
      border-radius:20px;
      padding:16px;
      box-shadow:0 10px 22px rgba(31,70,130,.05);
    }
    .notice-item .check{
      width:26px;
      height:26px;
      flex:0 0 26px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:9px;
      color:#fff;
      background:linear-gradient(135deg,var(--safe),#34D399);
      font-weight:900;
      font-size:13px;
    }
    .notice-item strong{
      display:block;
      font-size:15px;
      line-height:1.35;
      margin-bottom:3px;
    }
    .notice-item span{
      color:var(--muted);
      display:block;
      font-size:13px;
      line-height:1.55;
    }

    .process-strip{
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .process-row{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:26px;
    }
    .process-step{
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg,#F8FBFF,#FFFFFF);
      border:1px solid rgba(220,230,242,.88);
      transition:all .22s ease;
    }
    .process-step:hover{
      transform:translateY(-4px);
      box-shadow:0 16px 34px rgba(31,70,130,.10);
    }
    .step-num{
      width:36px;
      height:36px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:900;
      margin-bottom:14px;
    }
    .process-step h3{font-size:18px;margin-bottom:7px;}
    .process-step p{
      color:var(--muted);
      font-size:14px;
      margin-bottom:0;
      line-height:1.68;
    }

    .faq-wrap{
      max-width:900px;
      margin:0 auto;
    }
    .accordion{
      display:grid;
      gap:14px;
      margin-top:30px;
    }
    .accordion-item{
      border:1px solid var(--border-soft)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 28px rgba(31,70,130,.06);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:800;
      color:var(--text);
      background:#fff;
      border:0;
      box-shadow:none!important;
      line-height:1.5;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-deep);
      background:linear-gradient(180deg,#F3F8FF,#fff);
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:inset 0 0 0 3px rgba(47,111,237,.12)!important;
    }
    .accordion-button::after{
      width:1.05rem;
      height:1.05rem;
      background-size:1.05rem;
      filter:saturate(.55);
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.8;
      background:#fff;
    }

    .cta-panel{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 15% 20%, rgba(47,111,237,.13), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(192,132,151,.12), transparent 30%),
        linear-gradient(135deg,#EEF5FF 0%,#FFFFFF 62%,#F8FAFC 100%);
      border:1px solid var(--border-soft);
      box-shadow:var(--shadow);
      padding:42px;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:28px;
      align-items:center;
    }
    .cta-panel p{color:var(--muted);margin-bottom:0;}
    .cta-actions{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }

    .site-footer{
      margin-top:28px;
      background:
        radial-gradient(circle at 12% 0%, rgba(47,111,237,.18), transparent 28%),
        linear-gradient(180deg,#172033 0%, var(--footer) 100%);
      color:#D8E3F2;
      padding:62px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .7fr 1fr;
      gap:42px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:850;
      font-size:18px;
      margin-bottom:16px;
    }
    .footer-text{
      color:#AEBBD0;
      margin:0;
      max-width:520px;
      line-height:1.82;
      font-size:15px;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:15px;
      font-size:16px;
    }
    .footer-links,.footer-notice{
      padding:0;
      margin:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#B9C7DA;
      font-size:15px;
    }
    .footer-links a:hover{
      color:#93C5FD;
      padding-left:3px;
    }
    .footer-notice li{
      display:flex;
      gap:8px;
      color:#B9C7DA;
      font-size:14px;
      line-height:1.65;
    }
    .footer-notice li span:first-child{
      color:#93C5FD;
      font-weight:900;
    }
    .copyright{
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid rgba(216,227,242,.14);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#91A0B6;
      font-size:13px;
    }

    @media (max-width:1199.98px){
      :root{--section:78px;}
      .navbar-shell{border-radius:28px;padding:10px 12px;}
      .brand-wrap{min-width:auto;max-width:calc(100% - 58px);}
      .navbar-collapse{
        margin-top:12px;
        padding-top:12px;
        border-top:1px solid rgba(220,230,242,.82);
      }
      .nav-chip-row{
        width:100%;
        justify-content:flex-start;
        overflow-x:auto;
        scrollbar-width:none;
      }
      .nav-chip-row::-webkit-scrollbar{display:none;}
      .nav-cta{margin-top:12px;width:100%;}
      .category-layout{grid-template-columns:1fr;}
      .side-panel{position:relative;top:auto;}
      .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
      .process-row{grid-template-columns:repeat(2,minmax(0,1fr));}
    }
    @media (max-width:991.98px){
      .section-head{
        align-items:flex-start;
        flex-direction:column;
        gap:14px;
      }
      .notice-board,.cta-panel{
        grid-template-columns:1fr;
      }
      .cta-actions{justify-content:flex-start;}
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .footer-grid > div:first-child{
        grid-column:1/-1;
      }
    }
    @media (max-width:767.98px){
      :root{--section:62px;}
      .site-container{width:min(100% - 28px, var(--container));}
      .site-header{padding:10px 0;}
      .navbar-shell{width:calc(100% - 20px);}
      .brand-wrap{
        font-size:15px;
        gap:10px;
      }
      .brand-mark{
        width:38px;
        height:38px;
        border-radius:14px;
      }
      .brand-sub{font-size:11px;}
      .category-hero{padding:44px 0 30px;}
      .hero-panel{
        padding:38px 18px 28px;
        border-radius:28px;
      }
      .filter-wrap{
        display:flex;
        width:100%;
        border-radius:24px;
      }
      .filter-row{width:100%;}
      .topic-grid{grid-template-columns:1fr;}
      .notice-list{grid-template-columns:1fr;}
      .process-row{grid-template-columns:1fr;}
      .process-strip,.notice-board,.cta-panel{padding:24px;}
      .btn-soft,.btn-primary-custom{
        width:100%;
      }
      .cta-actions{
        width:100%;
      }
      .footer-grid{grid-template-columns:1fr;gap:30px;}
      .copyright{flex-direction:column;}
    }
    @media (max-width:520px){
      body{background:#F8FAFC;}
      .hero-badges{justify-content:flex-start;text-align:left;}
      .hero-panel{text-align:left;}
      .breadcrumb-line{justify-content:flex-start;}
      h1{font-size:29px;}
      h2{font-size:26px;}
      .topic-cover{height:100px;}
      .side-panel{padding:24px;}
      .notice-board:after{display:none;}
    }