/* roulang page: index */
:root{
      --ink:#171217;
      --ink-soft:#252027;
      --berry:#542d3d;
      --berry-light:#8b5a68;
      --cream:#f7f1ec;
      --sand:#eee3dc;
      --paper:#fffaf6;
      --copper:#c49b83;
      --muted:#766c70;
      --line:rgba(35,22,27,.13);
      --line-dark:rgba(255,247,239,.14);
      --shadow:0 22px 70px rgba(44,25,31,.10);
      --radius-xl:34px;
      --radius-lg:24px;
      --radius-md:16px;
      --transition:220ms ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      font-size:16px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),border-color var(--transition),background var(--transition),transform var(--transition)}
    button,input,select,textarea{font:inherit}
    img{max-width:100%;display:block}
    .container{max-width:1220px}
    .site-header{
      position:relative;
      z-index:20;
      background:rgba(247,241,236,.94);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(12px);
    }
    .nav-wrap{min-height:84px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:inline-flex;align-items:center;gap:12px;font-size:16px;font-weight:750;letter-spacing:.01em}
    .brand-mark{
      width:28px;height:28px;border:1px solid var(--berry);
      border-radius:50%;display:grid;place-items:center;position:relative;
    }
    .brand-mark::after{content:"";width:7px;height:7px;background:var(--copper);border-radius:50%}
    .navbar-toggler{border:1px solid var(--line);padding:8px 11px;border-radius:12px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(196,155,131,.25)}
    .nav-links{display:flex;align-items:center;gap:30px}
    .nav-link{
      color:#62575c!important;font-size:14px;font-weight:650;padding:8px 0!important;position:relative;
    }
    .nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--berry);transition:right var(--transition)}
    .nav-link:hover,.nav-link.active{color:var(--berry)!important}
    .nav-link:hover::after,.nav-link.active::after{right:0}
    .hero{
      color:#fff8f1;
      background:
        radial-gradient(circle at 79% 18%,rgba(172,111,113,.25),transparent 26%),
        radial-gradient(circle at 15% 76%,rgba(110,65,76,.28),transparent 30%),
        linear-gradient(135deg,#110e12 0%,#211820 56%,#38212d 100%);
      overflow:hidden;
      position:relative;
    }
    .hero::before{
      content:"";position:absolute;inset:0;opacity:.17;
      background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);
      background-size:70px 70px;mask-image:linear-gradient(90deg,#000,transparent 90%);
    }
    .hero .container{position:relative}
    .hero-grid{min-height:650px;padding:92px 0 86px;display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:750;color:var(--copper);
    }
    .eyebrow::before,.section-kicker::before{content:"";width:25px;height:1px;background:currentColor}
    h1,h2,h3{margin:0;font-weight:780;letter-spacing:-.04em;line-height:1.16}
    h1{font-size:clamp(42px,6vw,74px);max-width:680px;margin:22px 0 24px}
    .hero-copy{font-size:18px;line-height:1.85;color:#d8cbd0;max-width:590px}
    .hero-actions{display:flex;gap:13px;margin-top:34px;flex-wrap:wrap}
    .btn-primary-custom,.btn-outline-custom{
      border-radius:999px;padding:12px 21px;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
    }
    .btn-primary-custom{background:#f5e8dc;color:var(--ink);border:1px solid #f5e8dc}
    .btn-primary-custom:hover{background:var(--copper);border-color:var(--copper);color:#fff;transform:translateY(-2px)}
    .btn-outline-custom{border:1px solid rgba(255,248,240,.32);color:#fff8f1}
    .btn-outline-custom:hover{border-color:var(--copper);background:rgba(196,155,131,.14);color:#fff;transform:translateY(-2px)}
    .btn-primary-custom:focus,.btn-outline-custom:focus,.form-control:focus,.form-select:focus{outline:none;box-shadow:0 0 0 4px rgba(196,155,131,.28)}
    .dashboard{
      border:1px solid var(--line-dark);border-radius:var(--radius-xl);padding:25px;background:rgba(255,255,255,.055);
      box-shadow:0 30px 90px rgba(0,0,0,.22);position:relative;
    }
    .dash-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line-dark)}
    .dash-label{font-size:12px;color:#cfc0c5;letter-spacing:.08em}
    .status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#d9cbbf}
    .status i{width:7px;height:7px;border-radius:50%;background:#c49b83;box-shadow:0 0 0 4px rgba(196,155,131,.13)}
    .dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
    .metric{border:1px solid var(--line-dark);border-radius:18px;padding:18px 16px;min-height:126px;background:rgba(18,12,17,.24)}
    .metric strong{display:block;font-size:29px;line-height:1.2;color:#fff5ec}
    .metric span{display:block;margin-top:7px;font-size:13px;color:#bcaeb3}
    .metric small{display:block;color:#b68f84;font-size:11px;margin-top:10px}
    .progress-line{height:4px;background:rgba(255,255,255,.12);border-radius:4px;margin-top:9px;overflow:hidden}
    .progress-line b{display:block;height:100%;background:var(--copper);border-radius:4px}
    .section{padding:108px 0}
    .section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:42px}
    .section-head h2{font-size:clamp(30px,4vw,46px);margin-top:14px}
    .section-note{max-width:410px;color:var(--muted);font-size:15px}
    .warm-band{background:var(--sand)}
    .matrix{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .feature-card,.mini-card,.compare-card,.info-card,.form-panel{
      border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow);
    }
    .feature-card{padding:38px;min-height:390px;background:linear-gradient(145deg,#fffaf6,#eadbd2)}
    .feature-icon,.mini-icon{width:46px;height:46px;border:1px solid var(--berry-light);border-radius:14px;display:grid;place-items:center;color:var(--berry);font-size:20px}
    .feature-card h3{font-size:29px;margin:30px 0 14px}
    .feature-card p,.mini-card p,.info-card p{color:var(--muted);font-size:15px}
    .mini-stack{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .mini-card{padding:25px;transition:transform var(--transition),box-shadow var(--transition)}
    .mini-card:hover,.feature-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:0 28px 80px rgba(44,25,31,.14)}
    .mini-card h3{font-size:19px;margin:23px 0 9px}
    .route-bar{margin-top:18px;border:1px solid var(--line);border-radius:20px;padding:19px 22px;background:#f8eee8;display:flex;justify-content:space-between;gap:16px;align-items:center}
    .route-bar span{font-size:14px;color:var(--muted)}
    .route-steps{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
    .route-step{font-size:12px;font-weight:700;color:var(--berry);padding:7px 11px;border-radius:999px;background:#ead9d0}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{padding:30px}
    .compare-card.dark{background:var(--ink);color:#fff8f1;border-color:var(--ink)}
    .compare-title{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
    .dark .compare-title{border-color:var(--line-dark)}
    .compare-title h3{font-size:22px}
    .tag{font-size:11px;letter-spacing:.05em;padding:5px 9px;border-radius:999px;background:#eadbd4;color:var(--berry);font-weight:750}
    .dark .tag{background:rgba(196,155,131,.18);color:#e2bda9}
    .compare-list{list-style:none;padding:0;margin:19px 0 0}
    .compare-list li{padding:12px 0;border-bottom:1px dashed var(--line);display:flex;gap:11px;font-size:14px;color:var(--muted)}
    .dark .compare-list li{border-color:var(--line-dark);color:#cfc0c5}
    .compare-list li::before{content:"—";color:var(--copper);font-weight:800}
    .faq-area{background:#211820;color:#fff8f1}
    .faq-area .section-note{color:#c6b7bc}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line-dark)!important;border-radius:0!important}
    .accordion-button{background:transparent!important;color:#fff8f1!important;box-shadow:none!important;padding:22px 4px;font-weight:700;font-size:17px}
    .accordion-button::after{filter:invert(1) opacity(.7)}
    .accordion-body{color:#cdbfc3;padding:0 34px 23px 4px;font-size:15px}
    .cta-section{padding:92px 0;background:var(--sand)}
    .cta-box{border:1px solid var(--line);border-radius:var(--radius-xl);padding:42px;background:linear-gradient(120deg,#fffaf6,#eadbd2);display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-box h2{font-size:clamp(28px,4vw,42px);margin:12px 0}
    .cta-box p{color:var(--muted);max-width:600px;margin:0}
    .form-section{background:var(--paper)}
    .form-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
    .info-card{padding:30px;background:var(--ink);color:#fff8f1}
    .info-card h3{font-size:25px;margin:16px 0}
    .info-card p{color:#cbbdc2}
    .notice-list{list-style:none;padding:0;margin:25px 0 0}
    .notice-list li{padding:12px 0;border-bottom:1px solid var(--line-dark);font-size:14px;color:#d9cbd0}
    .notice-list li::before{content:"•";color:var(--copper);margin-right:10px}
    .form-panel{padding:32px}
    .form-label{font-size:13px;font-weight:700;color:var(--berry);margin-bottom:7px}
    .form-control,.form-select{border:1px solid var(--line);border-radius:13px;padding:12px 14px;background:#fffdfb;color:var(--ink)}
    .form-control::placeholder{color:#a79a9b}
    .site-footer{background:#130f13;color:#cbbdc2;padding:54px 0 24px}
    .footer-grid{display:flex;justify-content:space-between;gap:30px;padding-bottom:34px;border-bottom:1px solid var(--line-dark)}
    .footer-brand{color:#fff8f1;font-weight:750}
    .footer-copy{max-width:390px;font-size:13px;color:#a99a9f;margin-top:12px}
    .footer-links{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#e0bca9}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:#8f8186}
    @media (max-width:991px){
      .hero-grid{grid-template-columns:1fr;gap:42px;padding:74px 0}
      .dashboard{max-width:650px}
      .matrix,.form-layout{grid-template-columns:1fr}
      .section{padding:82px 0}
    }
    @media (max-width:767px){
      .nav-wrap{min-height:72px}
      .nav-links{display:block;padding:18px 0 10px}
      .nav-links .nav-link{padding:12px 0!important}
      .hero-grid{min-height:auto;padding:65px 0 62px}
      h1{font-size:42px}
      .hero-copy{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions a{width:100%}
      .dash-grid,.mini-stack,.compare-wrap{grid-template-columns:1fr}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:30px}
      .section-note{margin-top:17px}
      .feature-card{padding:27px;min-height:auto}
      .route-bar,.cta-box,.footer-grid,.copyright{display:block}
      .route-steps{margin-top:14px}
      .cta-box{padding:29px}
      .cta-box .btn-primary-custom{margin-top:22px}
      .footer-links{margin-top:25px}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root {
      --ink: #120f13;
      --ink-2: #1b151b;
      --plum: #2a1723;
      --plum-soft: #4a2738;
      --berry: #6f3a4c;
      --copper: #b88972;
      --amber: #c99a5a;
      --cream: #f7f1ec;
      --sand: #efe6df;
      --blush: #e4d2ca;
      --paper: #fffaf6;
      --muted: #756a70;
      --muted-dark: #bdb0b2;
      --line: rgba(42, 23, 35, .12);
      --line-dark: rgba(255, 255, 255, .12);
      --shadow: 0 28px 80px rgba(48, 25, 30, .10);
      --shadow-soft: 0 18px 50px rgba(48, 25, 30, .08);
      --radius-lg: 34px;
      --radius-md: 24px;
      --radius-sm: 16px;
      --ease: all .24s ease;
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 4%, rgba(184, 137, 114, .16), transparent 30%),
        linear-gradient(180deg, var(--cream) 0%, #fbf7f3 46%, var(--sand) 100%);
      line-height: 1.78;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, textarea, select {
      font: inherit;
    }

    ::selection {
      background: rgba(111, 58, 76, .22);
      color: var(--ink);
    }

    .container {
      width: min(100% - 40px, var(--container));
      max-width: var(--container);
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(247, 241, 236, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(42, 23, 35, .08);
    }

    .navbar {
      min-height: 84px;
      padding: 0;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--ink);
      max-width: 62vw;
      line-height: 1.2;
    }

    .brand:hover {
      color: var(--berry);
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      position: relative;
      flex: 0 0 34px;
      background: linear-gradient(135deg, var(--plum), var(--berry));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.18), 0 10px 28px rgba(42, 23, 35, .18);
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 9px 11px;
      border: 1.8px solid rgba(247, 241, 236, .9);
      border-radius: 7px;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--copper);
      right: 6px;
      top: 6px;
    }

    .navbar-toggler {
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 9px 12px;
      box-shadow: none !important;
      background: rgba(255, 250, 246, .72);
    }

    .navbar-toggler:focus {
      outline: 3px solid rgba(184, 137, 114, .28);
    }

    .navbar-toggler-icon {
      width: 1.2em;
      height: 1.2em;
      background-image: none;
      position: relative;
    }

    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      height: 2px;
      border-radius: 999px;
      background: var(--plum);
    }

    .navbar-toggler-icon::before {
      top: 4px;
    }

    .navbar-toggler-icon::after {
      bottom: 4px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 34px;
    }

    .nav-link {
      position: relative;
      padding: 28px 0 !important;
      color: rgba(18, 15, 19, .74);
      font-weight: 650;
      font-size: 15px;
      letter-spacing: .01em;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--plum);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 22px;
      height: 2px;
      border-radius: 999px;
      background: var(--berry);
      transform: scaleX(0);
      transform-origin: right;
      transition: transform .24s ease;
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      transform: scaleX(1);
      transform-origin: left;
    }

    .nav-link.active {
      color: var(--ink);
    }

    .page-hero {
      padding: 78px 0 58px;
      position: relative;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      width: 540px;
      height: 540px;
      right: -210px;
      top: -180px;
      background: radial-gradient(circle, rgba(111, 58, 76, .18), transparent 64%);
      pointer-events: none;
    }

    .hero-shell {
      position: relative;
      background:
        linear-gradient(135deg, rgba(255, 250, 246, .92), rgba(239, 230, 223, .70)),
        radial-gradient(circle at 80% 20%, rgba(184, 137, 114, .24), transparent 36%);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 44px;
      overflow: hidden;
    }

    .hero-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(42, 23, 35, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42, 23, 35, .045) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(120deg, transparent 0%, #000 36%, #000 72%, transparent 100%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--plum);
      background: rgba(184, 137, 114, .14);
      border: 1px solid rgba(184, 137, 114, .26);
      font-size: 13px;
      font-weight: 750;
      letter-spacing: .04em;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--amber);
      box-shadow: 0 0 0 5px rgba(201, 154, 90, .13);
    }

    h1 {
      margin: 22px 0 18px;
      font-size: clamp(36px, 5vw, 64px);
      line-height: 1.08;
      letter-spacing: -.055em;
      font-weight: 850;
      color: var(--ink);
      max-width: 900px;
    }

    .hero-lead {
      max-width: 780px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
      margin: 0;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .btn-custom {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 13px 22px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 760;
      letter-spacing: .01em;
      transition: var(--ease);
      cursor: pointer;
      user-select: none;
    }

    .btn-custom:focus {
      outline: 4px solid rgba(184, 137, 114, .30);
      outline-offset: 2px;
    }

    .btn-primary-custom {
      background: linear-gradient(135deg, var(--plum), var(--berry));
      color: var(--cream);
      box-shadow: 0 18px 36px rgba(74, 39, 56, .22);
    }

    .btn-primary-custom:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 22px 48px rgba(74, 39, 56, .28);
    }

    .btn-secondary-custom {
      background: rgba(255, 250, 246, .72);
      border-color: var(--line);
      color: var(--plum);
    }

    .btn-secondary-custom:hover {
      background: #fff;
      border-color: rgba(111, 58, 76, .34);
      transform: translateY(-2px);
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 50px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--berry);
      font-weight: 800;
      font-size: 13px;
      letter-spacing: .08em;
      margin-bottom: 10px;
    }

    h2 {
      margin: 0;
      font-size: clamp(30px, 3.6vw, 44px);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 830;
    }

    h3 {
      margin: 0;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
      letter-spacing: -.025em;
    }

    .section-desc {
      max-width: 510px;
      color: var(--muted);
      font-size: 16px;
      margin: 0;
    }

    .overview-band {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 32px;
    }

    .metric {
      background: rgba(255, 250, 246, .78);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 20px;
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
      min-height: 138px;
    }

    .metric:hover {
      transform: translateY(-4px);
      border-color: rgba(111, 58, 76, .24);
      box-shadow: var(--shadow);
    }

    .metric-value {
      display: flex;
      align-items: baseline;
      gap: 8px;
      color: var(--plum);
      font-size: 30px;
      line-height: 1;
      font-weight: 850;
      letter-spacing: -.04em;
    }

    .metric-value span {
      font-size: 13px;
      color: var(--muted);
      letter-spacing: .02em;
      font-weight: 700;
    }

    .metric p {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .content-layout {
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .filter-panel {
      position: sticky;
      top: 106px;
      background: var(--ink);
      color: var(--cream);
      border: 1px solid var(--line-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      overflow: hidden;
      box-shadow: 0 28px 70px rgba(18, 15, 19, .18);
    }

    .filter-panel::before {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -80px;
      top: -70px;
      background: radial-gradient(circle, rgba(184, 137, 114, .30), transparent 68%);
    }

    .filter-panel > * {
      position: relative;
      z-index: 1;
    }

    .filter-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .filter-title h2 {
      font-size: 24px;
      color: var(--cream);
    }

    .filter-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--amber);
      box-shadow: 0 0 0 6px rgba(201, 154, 90, .12);
    }

    .filter-note {
      color: var(--muted-dark);
      font-size: 14px;
      margin: 0 0 22px;
      line-height: 1.8;
    }

    .filter-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .filter-chip {
      width: 100%;
      text-align: left;
      border: 1px solid rgba(255, 255, 255, .12);
      background: rgba(255, 255, 255, .045);
      color: rgba(247, 241, 236, .88);
      border-radius: 16px;
      padding: 12px 14px;
      font-weight: 720;
      transition: var(--ease);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .filter-chip span {
      color: rgba(247, 241, 236, .54);
      font-size: 12px;
    }

    .filter-chip:hover,
    .filter-chip.active {
      color: #fff;
      background: rgba(184, 137, 114, .15);
      border-color: rgba(184, 137, 114, .38);
      transform: translateX(3px);
    }

    .filter-chip:focus {
      outline: 3px solid rgba(184, 137, 114, .28);
      outline-offset: 2px;
    }

    .access-card {
      margin-top: 18px;
      padding: 18px;
      border-radius: 20px;
      border: 1px solid rgba(201, 154, 90, .25);
      background: rgba(201, 154, 90, .10);
    }

    .access-card strong {
      display: block;
      color: #fff;
      margin-bottom: 8px;
    }

    .access-card p {
      color: rgba(247, 241, 236, .72);
      margin: 0;
      font-size: 13px;
      line-height: 1.75;
    }

    .card-list {
      display: grid;
      gap: 18px;
    }

    .topic-card {
      display: grid;
      grid-template-columns: 210px minmax(0, 1fr);
      gap: 22px;
      align-items: stretch;
      background: rgba(255, 250, 246, .86);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .topic-card:hover {
      transform: translateY(-4px);
      border-color: rgba(111, 58, 76, .24);
      box-shadow: var(--shadow);
    }

    .thumb {
      position: relative;
      min-height: 172px;
      border-radius: 22px;
      background:
        radial-gradient(circle at 30% 22%, rgba(255, 250, 246, .28), transparent 24%),
        linear-gradient(135deg, #2a1723 0%, #6f3a4c 48%, #b88972 100%);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .18);
    }

    .thumb::before {
      content: "";
      position: absolute;
      inset: 20px;
      border-radius: 18px;
      border: 1px solid rgba(255, 250, 246, .18);
    }

    .play-mark {
      position: absolute;
      left: 50%;
      top: 50%;
      width: 54px;
      height: 54px;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      border: 1px solid rgba(255, 250, 246, .38);
      background: rgba(18, 15, 19, .24);
      backdrop-filter: blur(8px);
    }

    .play-mark::after {
      content: "";
      position: absolute;
      left: 22px;
      top: 17px;
      width: 0;
      height: 0;
      border-top: 10px solid transparent;
      border-bottom: 10px solid transparent;
      border-left: 14px solid rgba(255, 250, 246, .86);
    }

    .level-badge {
      position: absolute;
      left: 14px;
      top: 14px;
      padding: 6px 10px;
      border-radius: 999px;
      color: var(--cream);
      background: rgba(18, 15, 19, .46);
      border: 1px solid rgba(255,255,255,.16);
      font-size: 12px;
      font-weight: 800;
      backdrop-filter: blur(10px);
    }

    .topic-body {
      padding: 4px 2px;
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(184, 137, 114, .13);
      border: 1px solid rgba(184, 137, 114, .22);
      color: var(--plum);
      font-size: 12px;
      font-weight: 780;
      line-height: 1;
    }

    .tag.dark {
      background: rgba(42, 23, 35, .08);
      border-color: rgba(42, 23, 35, .10);
      color: var(--muted);
    }

    .topic-card h3 {
      margin-bottom: 10px;
    }

    .topic-card p {
      color: var(--muted);
      margin: 0 0 16px;
      font-size: 15px;
      line-height: 1.78;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      color: rgba(117, 106, 112, .92);
      font-size: 13px;
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid rgba(42, 23, 35, .08);
    }

    .meta-row span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .meta-row span::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--copper);
    }

    .card-action {
      margin-top: 16px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--plum);
      font-weight: 800;
      width: fit-content;
    }

    .card-action::after {
      content: "→";
      transition: transform .22s ease;
    }

    .topic-card:hover .card-action::after {
      transform: translateX(4px);
    }

    .notice-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 18px;
    }

    .notice-card {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .notice-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .notice-icon {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(74, 39, 56, .10), rgba(184, 137, 114, .18));
      color: var(--plum);
      margin-bottom: 18px;
      font-weight: 900;
    }

    .notice-card p {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 15px;
    }

    .timeline {
      background: var(--ink);
      color: var(--cream);
      border-radius: var(--radius-lg);
      padding: 38px;
      border: 1px solid var(--line-dark);
      box-shadow: 0 34px 90px rgba(18, 15, 19, .18);
    }

    .timeline h2 {
      color: var(--cream);
      margin-bottom: 24px;
    }

    .timeline-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      counter-reset: step;
    }

    .step {
      position: relative;
      min-height: 178px;
      border-radius: 22px;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.045);
      overflow: hidden;
    }

    .step::before {
      counter-increment: step;
      content: "0" counter(step);
      display: inline-flex;
      color: var(--copper);
      font-weight: 850;
      letter-spacing: -.02em;
      margin-bottom: 18px;
    }

    .step h3 {
      color: #fff;
      font-size: 18px;
      margin-bottom: 9px;
    }

    .step p {
      color: var(--muted-dark);
      margin: 0;
      font-size: 14px;
      line-height: 1.75;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 0 auto;
    }

    .accordion {
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: 22px !important;
      overflow: hidden;
      background: rgba(255, 250, 246, .82);
      box-shadow: 0 12px 36px rgba(48, 25, 30, .06);
    }

    .accordion-button {
      border: 0;
      box-shadow: none !important;
      background: transparent;
      color: var(--ink);
      font-weight: 820;
      font-size: 17px;
      padding: 20px 22px;
      border-radius: 22px !important;
    }

    .accordion-button:not(.collapsed) {
      background: rgba(184, 137, 114, .10);
      color: var(--plum);
    }

    .accordion-button::after {
      width: 18px;
      height: 18px;
      background-image: none;
      border-right: 2px solid var(--berry);
      border-bottom: 2px solid var(--berry);
      transform: rotate(45deg);
      transition: var(--ease);
    }

    .accordion-button:not(.collapsed)::after {
      transform: rotate(225deg);
    }

    .accordion-body {
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 28px;
      align-items: center;
      background:
        radial-gradient(circle at 92% 20%, rgba(184, 137, 114, .24), transparent 28%),
        linear-gradient(135deg, var(--plum), var(--ink));
      border-radius: var(--radius-lg);
      padding: 42px;
      color: var(--cream);
      border: 1px solid var(--line-dark);
      box-shadow: 0 34px 90px rgba(18, 15, 19, .22);
    }

    .cta-panel h2 {
      color: #fff;
      margin-bottom: 14px;
    }

    .cta-panel p {
      color: var(--muted-dark);
      margin: 0;
      max-width: 650px;
    }

    .feedback-form {
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 26px;
      padding: 22px;
    }

    .form-control,
    .form-select {
      min-height: 48px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.08);
      color: #fff;
      box-shadow: none !important;
      padding: 12px 14px;
    }

    .form-control::placeholder {
      color: rgba(247, 241, 236, .48);
    }

    .form-select {
      color: rgba(247, 241, 236, .82);
    }

    .form-select option {
      color: var(--ink);
    }

    .form-control:focus,
    .form-select:focus {
      border-color: rgba(184, 137, 114, .70);
      outline: 4px solid rgba(184, 137, 114, .18);
      background: rgba(255,255,255,.10);
      color: #fff;
    }

    textarea.form-control {
      min-height: 104px;
      resize: vertical;
    }

    .form-hint {
      color: rgba(247, 241, 236, .58);
      font-size: 12px;
      margin: 10px 0 0;
      line-height: 1.65;
    }

    .site-footer {
      margin-top: 40px;
      padding: 56px 0 28px;
      background: #120f13;
      color: var(--cream);
      border-top: 1px solid rgba(255,255,255,.10);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 38px;
      align-items: start;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    .footer-brand {
      display: inline-flex;
      color: #fff;
      font-size: 20px;
      font-weight: 850;
      margin-bottom: 12px;
      letter-spacing: -.02em;
    }

    .footer-brand:hover {
      color: var(--copper);
    }

    .footer-copy {
      color: var(--muted-dark);
      max-width: 620px;
      margin: 0;
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px 24px;
      justify-content: flex-end;
      max-width: 360px;
    }

    .footer-links a {
      color: rgba(247, 241, 236, .72);
      font-weight: 700;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateY(-1px);
    }

    .copyright {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-top: 22px;
      color: rgba(247, 241, 236, .50);
      font-size: 13px;
    }

    @media (max-width: 1199px) {
      .overview-band {
        grid-template-columns: repeat(2, 1fr);
      }

      .content-layout {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: relative;
        top: auto;
      }

      .filter-list {
        grid-template-columns: repeat(3, 1fr);
      }

      .notice-grid,
      .timeline-list {
        grid-template-columns: repeat(2, 1fr);
      }

      .cta-panel {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 767px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .navbar {
        min-height: 74px;
      }

      .navbar-collapse {
        margin-top: 12px;
        padding: 12px 0 18px;
        border-top: 1px solid var(--line);
      }

      .nav-links {
        align-items: stretch;
        gap: 4px;
      }

      .nav-link {
        padding: 12px 0 !important;
      }

      .nav-link::after {
        bottom: 8px;
      }

      .brand {
        font-size: 15px;
      }

      .page-hero {
        padding: 42px 0 38px;
      }

      .hero-shell {
        padding: 26px;
        border-radius: 28px;
      }

      h1 {
        font-size: clamp(34px, 11vw, 42px);
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions,
      .btn-custom {
        width: 100%;
      }

      .section {
        padding: 58px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

      .overview-band,
      .filter-list,
      .notice-grid,
      .timeline-list {
        grid-template-columns: 1fr;
      }

      .topic-card {
        grid-template-columns: 1fr;
      }

      .thumb {
        min-height: 190px;
      }

      .timeline,
      .cta-panel {
        padding: 26px;
        border-radius: 28px;
      }

      .footer-grid,
      .copyright {
        grid-template-columns: 1fr;
        display: grid;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      .overview-band {
        gap: 12px;
      }

      .metric,
      .notice-card,
      .topic-card {
        border-radius: 22px;
      }

      .filter-panel {
        padding: 20px;
      }

      .tag-row {
        gap: 6px;
      }

      .meta-row {
        display: grid;
        gap: 8px;
      }
    }