/* roulang page: index */
:root {
      --bg: #f6f9fc;
      --bg-soft: #eef6fb;
      --surface: #ffffff;
      --surface-2: #f9fcfe;
      --primary: #2367a8;
      --primary-dark: #1b568f;
      --primary-light: #dcecf3;
      --cyan: #78afc4;
      --steel: #5f7f92;
      --accent: #e98557;
      --text: #1e2d3a;
      --muted: #61717f;
      --weak: #8b99a5;
      --border: #d9e7ef;
      --border-strong: #c5d9e5;
      --shadow: 0 12px 32px rgba(30, 61, 87, .08);
      --shadow-hover: 0 18px 42px rgba(30, 61, 87, .13);
      --radius: 18px;
      --radius-sm: 12px;
      --radius-lg: 24px;
      --container: 1200px;
      --ease: 220ms ease-out;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(120, 175, 196, .18), transparent 28%),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 42%, #f8fbfd 100%);
      line-height: 1.82;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; transition: color var(--ease), background var(--ease), border var(--ease), transform var(--ease), box-shadow var(--ease); }
    a:hover { color: var(--primary); }
    img { max-width: 100%; height: auto; display: block; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(35, 103, 168, .28); outline-offset: 3px; }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 26px 0 10px;
      pointer-events: none;
    }

    .dock {
      width: min(1160px, calc(100% - 40px));
      margin: 0 auto;
      min-height: 68px;
      padding: 10px 12px 10px 18px;
      display: flex;
      align-items: center;
      gap: 18px;
      border: 1px solid rgba(197, 217, 229, .82);
      border-radius: 999px;
      background: rgba(255, 255, 255, .92);
      box-shadow: 0 14px 36px rgba(31, 73, 105, .1);
      backdrop-filter: blur(14px);
      pointer-events: auto;
      transition: padding var(--ease), min-height var(--ease), box-shadow var(--ease);
    }

    .site-header.is-compact .dock {
      min-height: 58px;
      padding-top: 8px;
      padding-bottom: 8px;
      box-shadow: 0 12px 28px rgba(31, 73, 105, .12);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 230px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 11px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      box-shadow: 0 8px 18px rgba(35, 103, 168, .2);
      font-size: 14px;
      font-weight: 800;
    }

    .nav-links {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
    }

    .nav-link {
      position: relative;
      min-height: 42px;
      padding: 10px 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--primary);
      background: #f0f7fb;
    }

    .nav-link.active {
      color: var(--primary);
      background: var(--primary-light);
    }

    .nav-link.active::after {
      content: "";
      width: 6px;
      height: 6px;
      position: absolute;
      bottom: 7px;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 50%;
      background: var(--primary);
    }

    .dock-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-button,
    .menu-button {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border: 1px solid var(--border);
      border-radius: 50%;
      background: #fff;
      color: var(--primary);
      transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    .search-button:hover,
    .menu-button:hover {
      background: #eef7fc;
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(35, 103, 168, .12);
    }

    .menu-button { display: none; }

    .button-main,
    .button-secondary,
    .button-ghost {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 12px;
      padding: 12px 18px;
      font-size: 15px;
      font-weight: 700;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border var(--ease);
    }

    .button-main {
      color: #fff;
      background: var(--primary);
      box-shadow: 0 12px 24px rgba(35, 103, 168, .18);
    }

    .button-main:hover {
      color: #fff;
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(35, 103, 168, .24);
    }

    .button-secondary {
      color: var(--primary);
      background: #fff;
      border-color: var(--border-strong);
    }

    .button-secondary:hover {
      color: var(--primary);
      background: #edf7fc;
      transform: translateY(-2px);
    }

    .button-ghost {
      color: var(--muted);
      background: transparent;
      border-color: transparent;
    }

    .button-ghost:hover {
      color: var(--primary);
      background: #eef7fc;
    }

    .mobile-panel {
      display: none;
      width: min(520px, calc(100% - 32px));
      margin: 10px auto 0;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: rgba(255, 255, 255, .96);
      box-shadow: var(--shadow);
      pointer-events: auto;
    }

    .mobile-panel.is-open { display: block; }
    .mobile-panel a { display: flex; align-items: center; min-height: 46px; padding: 10px 12px; border-radius: 12px; color: var(--muted); font-weight: 700; }
    .mobile-panel a.active, .mobile-panel a:hover { background: var(--primary-light); color: var(--primary); }

    main { padding-top: 26px; }
    section { padding: 84px 0; }
    .section-tight { padding: 40px 0; }

    .section-head {
      max-width: 720px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
    }

    .section-kicker::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 0 5px rgba(120, 175, 196, .16);
    }

    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 980px;
      margin-bottom: 18px;
      font-size: clamp(34px, 4vw, 46px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
    }

    h2 {
      margin-bottom: 14px;
      font-size: clamp(25px, 2.8vw, 32px);
      line-height: 1.28;
      font-weight: 780;
      color: var(--text);
    }

    h3 {
      margin-bottom: 10px;
      font-size: 20px;
      line-height: 1.4;
      font-weight: 720;
    }

    p { color: var(--muted); font-size: 16px; }
    .lead { max-width: 800px; font-size: 17px; line-height: 1.85; }

    .hero {
      padding-top: 58px;
      padding-bottom: 58px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .88);
      box-shadow: var(--shadow);
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(220, 236, 243, .56), transparent 38%),
        radial-gradient(circle at 82% 18%, rgba(233, 133, 87, .13), transparent 22%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 34px;
      padding: 38px;
      align-items: stretch;
    }

    .hero-cover {
      min-height: 460px;
      padding: 34px;
      border: 1px solid rgba(217, 231, 239, .9);
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .94), rgba(246, 250, 253, .88)),
        repeating-linear-gradient(90deg, transparent 0 38px, rgba(35, 103, 168, .06) 39px 40px);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .icon-matrix {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 10px;
      max-width: 420px;
      margin-bottom: 30px;
    }

    .matrix-cell {
      aspect-ratio: 1;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: #fff;
      box-shadow: 0 8px 18px rgba(30, 61, 87, .06);
      position: relative;
      overflow: hidden;
    }

    .matrix-cell::after {
      content: "";
      position: absolute;
      inset: auto 10px 10px 10px;
      height: 4px;
      border-radius: 999px;
      background: var(--primary-light);
    }

    .matrix-cell.is-blue { background: linear-gradient(135deg, #e5f2f8, #fff); }
    .matrix-cell.is-marked::before {
      content: "";
      position: absolute;
      width: 16px;
      height: 16px;
      top: 10px;
      left: 10px;
      border-radius: 50%;
      background: var(--primary);
    }

    .status-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      margin-top: 20px;
    }

    .status-strip span {
      height: 8px;
      border-radius: 999px;
      background: var(--primary-light);
    }

    .status-strip span:nth-child(2) { background: #cce4ef; }
    .status-strip span:nth-child(3) { background: var(--cyan); }
    .status-strip span:nth-child(4) { background: var(--accent); opacity: .7; }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 6px 10px;
      border-radius: 10px;
      color: var(--steel);
      background: #eef6fa;
      border: 1px solid #d8e9f1;
      font-size: 13px;
      font-weight: 750;
    }

    .tag.hot {
      color: #a65432;
      background: #fff1ea;
      border-color: #f4d2c2;
    }

    .hero-panel {
      padding: 28px;
      border-radius: 22px;
      border: 1px solid var(--border);
      background: #fff;
      box-shadow: 0 12px 26px rgba(30, 61, 87, .07);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .live-dot {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
    }

    .live-dot::before {
      content: "";
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(233, 133, 87, .15);
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 16px 0 24px;
    }

    .time-box {
      min-height: 86px;
      display: grid;
      place-items: center;
      padding: 10px 6px;
      border-radius: 16px;
      background: #eef7fc;
      border: 1px solid #d8e9f1;
      text-align: center;
    }

    .time-box strong {
      display: block;
      color: var(--primary);
      font-size: 28px;
      line-height: 1;
      font-weight: 850;
      font-variant-numeric: tabular-nums;
    }

    .time-box span {
      margin-top: 6px;
      display: block;
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
    }

    .node-list {
      margin: 0 0 24px;
      padding: 0;
      list-style: none;
    }

    .node-list li {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 13px 0;
      border-bottom: 1px solid var(--border);
      color: var(--muted);
      font-size: 14px;
    }

    .node-list b { color: var(--text); }
    .node-list em { color: var(--primary); font-style: normal; font-weight: 800; }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .count-card,
    .wide-card,
    .subscribe-card,
    .notice-card {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: var(--shadow);
    }

    .count-card {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 24px;
    }

    .mini-notes {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 12px;
      color: var(--weak);
      font-size: 13px;
      font-weight: 650;
    }

    .mini-count {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .mini-count strong {
      min-width: 52px;
      padding: 8px 10px;
      border-radius: 12px;
      background: var(--bg-soft);
      color: var(--primary);
      text-align: center;
      font-size: 22px;
      line-height: 1;
      font-variant-numeric: tabular-nums;
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 18px;
    }

    .benefit-card,
    .highlight-card,
    .entry-card,
    .news-item,
    .qual-card {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
      transition: transform var(--ease), box-shadow var(--ease), border var(--ease);
    }

    .benefit-card:hover,
    .highlight-card:hover,
    .entry-card:hover,
    .news-item:hover,
    .qual-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-strong);
    }

    .benefit-card {
      padding: 24px;
    }

    .benefit-card.featured {
      min-height: 280px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(135deg, rgba(220, 236, 243, .82), rgba(255, 255, 255, .96)),
        #fff;
    }

    .big-number {
      width: 74px;
      height: 74px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 18px;
      background: var(--primary);
      color: #fff;
      font-size: 26px;
      font-weight: 850;
    }

    .progress-line {
      height: 10px;
      margin-top: 18px;
      overflow: hidden;
      border-radius: 999px;
      background: #e8f1f6;
    }

    .progress-line span {
      display: block;
      width: 72%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--cyan), var(--accent));
    }

    .qual-wrap {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 18px;
      align-items: stretch;
    }

    .qual-card {
      padding: 24px;
    }

    .qual-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .qual-list li {
      position: relative;
      padding: 15px 16px 15px 44px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: #fff;
      color: var(--muted);
      font-size: 15px;
    }

    .qual-list li::before {
      content: attr(data-step);
      position: absolute;
      left: 14px;
      top: 15px;
      width: 20px;
      height: 20px;
      display: grid;
      place-items: center;
      border-radius: 7px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      font-weight: 850;
    }

    .highlight-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 18px;
    }

    .highlight-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .highlight-card.main {
      min-height: 360px;
      background: linear-gradient(145deg, #ffffff, #eff7fb);
    }

    .highlight-card.main::after {
      content: "→";
      position: absolute;
      right: 24px;
      top: 20px;
      color: var(--primary);
      font-size: 28px;
      font-weight: 800;
    }

    .compact-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .card-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 42px;
      height: 32px;
      margin-bottom: 14px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 850;
      font-size: 13px;
    }

    .subscribe-band {
      background: linear-gradient(180deg, rgba(220, 236, 243, .42), rgba(246, 249, 252, 0));
    }

    .subscribe-card {
      display: grid;
      grid-template-columns: 1fr .82fr;
      gap: 26px;
      padding: 30px;
      background:
        radial-gradient(circle at 14% 24%, rgba(120, 175, 196, .16), transparent 24%),
        #fff;
    }

    .check-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      position: relative;
      padding-left: 28px;
      color: var(--muted);
      font-size: 15px;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      width: 14px;
      height: 14px;
      border-radius: 5px;
      background: var(--cyan);
      box-shadow: inset 0 0 0 4px #e8f5f9;
    }

    .form-box {
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: #f9fcfe;
    }

    .field {
      margin-bottom: 14px;
    }

    .field label {
      display: block;
      margin-bottom: 8px;
      color: var(--text);
      font-size: 14px;
      font-weight: 750;
    }

    .field input {
      width: 100%;
      min-height: 48px;
      border: 1px solid var(--border-strong);
      border-radius: 12px;
      background: #fff;
      color: var(--text);
      padding: 0 14px;
      box-shadow: none;
    }

    .field input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(35, 103, 168, .12);
    }

    .field input.is-error {
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(233, 133, 87, .12);
    }

    .form-hint {
      min-height: 24px;
      margin: 8px 0 0;
      color: var(--weak);
      font-size: 13px;
    }

    .form-hint.is-error { color: #b75c36; }
    .form-hint.is-success {
      padding: 10px 12px;
      border-radius: 12px;
      background: #eaf7f6;
      color: #317a82;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 22px;
      align-items: start;
    }

    .news-list {
      display: grid;
      gap: 12px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 88px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
    }

    .news-date {
      color: var(--primary);
      font-weight: 850;
      font-variant-numeric: tabular-nums;
    }

    .news-item h3 {
      margin: 0 0 4px;
      font-size: 18px;
    }

    .news-item p {
      margin: 0;
      font-size: 14px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .arrow {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: var(--bg-soft);
      color: var(--primary);
      font-weight: 900;
    }

    .topic-cloud {
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
    }

    .cloud-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .cloud-tags a {
      padding: 9px 12px;
      border: 1px solid var(--border);
      border-radius: 12px;
      color: var(--muted);
      background: var(--surface-2);
      font-size: 13px;
      font-weight: 750;
    }

    .cloud-tags a:hover {
      color: var(--primary);
      border-color: var(--border-strong);
      background: #eef7fc;
      transform: translateY(-2px);
    }

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

    .entry-card {
      padding: 22px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .entry-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
      color: var(--weak);
      font-size: 13px;
      font-weight: 800;
    }

    .notice-card {
      margin-top: 26px;
      padding: 22px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      background: #f9fcfe;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 28px;
      align-items: start;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      background: #fff;
      box-shadow: 0 8px 22px rgba(30, 61, 87, .06);
    }

    .accordion-title {
      position: relative;
      border: 0;
      padding: 19px 56px 19px 22px;
      color: var(--text);
      font-size: 16px;
      font-weight: 780;
      line-height: 1.45;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--primary);
      background: #f2f8fc;
    }

    .accordion-title::before {
      right: 22px;
      margin-top: -12px;
      color: var(--primary);
      font-size: 24px;
    }

    .is-active > .accordion-title {
      background: #eef7fc;
      color: var(--primary);
      box-shadow: inset 4px 0 0 var(--primary);
    }

    .accordion-content {
      border: 0;
      padding: 4px 22px 20px 26px;
      color: var(--muted);
      background: #fbfdff;
      font-size: 15px;
      line-height: 1.8;
    }

    .site-footer {
      padding: 54px 0 28px;
      background: #eef4f8;
      border-top: 1px solid var(--border);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-weight: 850;
      color: var(--text);
    }

    .footer-col h3 {
      margin-bottom: 12px;
      font-size: 15px;
    }

    .footer-col a {
      display: block;
      margin: 8px 0;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .footer-col a:hover { color: var(--primary); }

    .footer-bottom {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid var(--border-strong);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: var(--weak);
      font-size: 13px;
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
      }
    }

    @media (max-width: 1024px) {
      .dock { gap: 10px; }
      .brand { min-width: auto; }
      .nav-links { gap: 2px; }
      .nav-link { padding: 10px 11px; }
      .hero-inner,
      .subscribe-card,
      .qual-wrap,
      .highlight-layout,
      .news-layout,
      .faq-layout {
        grid-template-columns: 1fr;
      }
      .hero-cover { min-height: auto; }
      .entry-track,
      .benefit-grid {
        grid-template-columns: 1fr 1fr;
      }
      .count-card { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      section { padding: 62px 0; }
      .site-header { padding-top: 16px; }
      .dock { width: calc(100% - 24px); border-radius: 22px; }
      .nav-links,
      .dock-actions .search-button,
      .dock-actions .button-main { display: none; }
      .menu-button { display: grid; }
      .brand { font-size: 14px; white-space: normal; }
      .hero-inner { padding: 20px; }
      .hero-cover,
      .hero-panel,
      .subscribe-card,
      .form-box {
        border-radius: 16px;
      }
      .icon-matrix { grid-template-columns: repeat(4, 1fr); }
      .benefit-grid,
      .compact-grid,
      .entry-track,
      .footer-top {
        grid-template-columns: 1fr;
      }
      .news-item {
        grid-template-columns: 1fr auto;
      }
      .news-date { grid-column: 1 / -1; }
      .news-item p { white-space: normal; }
      .notice-card,
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .hero { padding-top: 34px; }
      h1 { font-size: 32px; }
      .hero-cover { padding: 22px; }
      .countdown { gap: 7px; }
      .time-box { min-height: 72px; border-radius: 13px; }
      .time-box strong { font-size: 22px; }
      .hero-actions,
      .button-main,
      .button-secondary,
      .button-ghost {
        width: 100%;
      }
      .mini-count { flex-wrap: wrap; }
      .mini-count strong { min-width: 46px; font-size: 19px; }
      .subscribe-card,
      .count-card,
      .benefit-card,
      .highlight-card,
      .entry-card,
      .qual-card {
        padding: 20px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #f6f9fc;
      --bg-soft: #eef6fb;
      --panel: #ffffff;
      --primary: #2367a8;
      --primary-dark: #1b568e;
      --primary-soft: #e7f1fa;
      --aqua: #78afc4;
      --line: #dcecf3;
      --text: #1e2d3a;
      --muted: #61717f;
      --weak: #8b99a5;
      --warm: #e98557;
      --shadow: 0 12px 32px rgba(30, 61, 87, .08);
      --shadow-hover: 0 18px 46px rgba(30, 61, 87, .12);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 11px;
      --container: 1180px;
      --ease: 220ms ease-out;
    }

    * { box-sizing: border-box; }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 120px;
    }

    body {
      margin: 0;
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(120, 175, 196, .18), transparent 24rem),
        linear-gradient(180deg, #f7fbfe 0%, var(--bg) 46%, #f2f7fb 100%);
      line-height: 1.8;
      letter-spacing: 0;
      min-width: 320px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(35, 103, 168, .28);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 26px 0 14px;
      pointer-events: none;
    }

    .dock {
      width: min(1160px, calc(100% - 40px));
      margin: 0 auto;
      min-height: 68px;
      padding: 10px 12px;
      display: flex;
      align-items: center;
      gap: 18px;
      border: 1px solid rgba(120, 175, 196, .28);
      border-radius: 999px;
      background: rgba(255, 255, 255, .9);
      box-shadow: 0 14px 42px rgba(30, 61, 87, .1);
      backdrop-filter: blur(14px);
      pointer-events: auto;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
    }

    .brand {
      padding: 8px 10px;
      min-width: 0;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border-radius: 11px;
      background: linear-gradient(135deg, var(--primary), #78afc4);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      box-shadow: 0 8px 18px rgba(35, 103, 168, .18);
      flex: 0 0 auto;
    }

    .nav-links {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
    }

    .nav-link {
      position: relative;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      padding: 0 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .nav-link:hover {
      color: var(--primary);
      background: rgba(231, 241, 250, .72);
    }

    .nav-link.active {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .nav-link.active::after {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 99px;
      background: var(--primary);
      position: absolute;
      left: 50%;
      bottom: 7px;
      transform: translateX(-50%);
    }

    .dock-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .search-button,
    .menu-button {
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      color: var(--primary);
      font-size: 21px;
      line-height: 1;
      display: inline-grid;
      place-items: center;
      transition: var(--ease);
    }

    .search-button:hover,
    .menu-button:hover {
      background: var(--primary-soft);
      border-color: rgba(35, 103, 168, .25);
      box-shadow: 0 8px 18px rgba(35, 103, 168, .1);
    }

    .menu-button { display: none; }

    .button-main,
    .button-secondary {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 20px;
      font-weight: 750;
      border: 1px solid transparent;
      transition: var(--ease);
      white-space: nowrap;
    }

    .button-main {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 10px 22px rgba(35, 103, 168, .2);
    }

    .button-main:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(35, 103, 168, .25);
    }

    .button-secondary {
      background: #fff;
      color: var(--primary);
      border-color: rgba(35, 103, 168, .25);
    }

    .button-secondary:hover {
      background: var(--primary-soft);
      color: var(--primary-dark);
      border-color: rgba(35, 103, 168, .36);
    }

    .mobile-panel {
      display: none;
      width: min(520px, calc(100% - 40px));
      margin: 10px auto 0;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(255, 255, 255, .96);
      box-shadow: var(--shadow);
      padding: 12px;
      pointer-events: auto;
    }

    .mobile-panel.open { display: block; }

    .mobile-panel a {
      display: flex;
      align-items: center;
      min-height: 46px;
      padding: 0 14px;
      border-radius: 13px;
      color: var(--muted);
      font-weight: 700;
    }

    .mobile-panel a:hover,
    .mobile-panel a.active {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .page-hero {
      padding: 56px 0 54px;
    }

    .hero-band {
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(238,246,251,.92)),
        repeating-linear-gradient(90deg, rgba(35,103,168,.06) 0 1px, transparent 1px 84px);
      border: 1px solid rgba(120, 175, 196, .28);
      box-shadow: var(--shadow);
      padding: 34px;
    }

    .hero-band::before {
      content: "";
      position: absolute;
      inset: auto -90px -130px auto;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(120, 175, 196, .18);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0 0 18px;
      color: var(--weak);
      font-size: 13px;
      font-weight: 650;
    }

    .breadcrumb a { color: var(--primary); }

    .hero-layout {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 28px;
      align-items: end;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 13px;
      font-weight: 750;
      margin-bottom: 18px;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--aqua);
      box-shadow: 0 0 0 5px rgba(120, 175, 196, .14);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 780px;
      margin-bottom: 16px;
      font-size: clamp(34px, 4vw, 46px);
      line-height: 1.22;
      letter-spacing: 0;
      font-weight: 800;
      color: var(--text);
    }

    .hero-copy {
      max-width: 720px;
      margin-bottom: 24px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .filter-tags,
    .meta-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 0 11px;
      border-radius: 11px;
      border: 1px solid rgba(120, 175, 196, .25);
      background: rgba(255, 255, 255, .72);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .tag.hot {
      color: #a65128;
      background: rgba(233, 133, 87, .1);
      border-color: rgba(233, 133, 87, .22);
    }

    .index-card {
      border-radius: 22px;
      background: rgba(255, 255, 255, .84);
      border: 1px solid rgba(120, 175, 196, .26);
      padding: 22px;
      box-shadow: 0 10px 28px rgba(30, 61, 87, .07);
    }

    .index-card .number {
      font-size: 44px;
      line-height: 1;
      color: var(--primary);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .progress-line {
      height: 8px;
      margin: 18px 0;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary) 0 58%, var(--line) 58% 100%);
    }

    .section {
      padding: 72px 0;
    }

    .section.tight { padding-top: 20px; }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    h2 {
      margin-bottom: 10px;
      font-size: clamp(25px, 3vw, 32px);
      line-height: 1.3;
      font-weight: 800;
    }

    .section-head p {
      max-width: 650px;
      margin-bottom: 0;
      color: var(--muted);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr);
      gap: 28px;
      align-items: start;
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 18px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      top: 16px;
      bottom: 16px;
      left: 25px;
      width: 2px;
      background: var(--line);
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 52px minmax(0, 1fr);
      gap: 16px;
    }

    .timeline-marker {
      position: relative;
      z-index: 1;
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 17px;
      background: #fff;
      border: 1px solid rgba(35, 103, 168, .2);
      color: var(--primary);
      font-weight: 800;
      box-shadow: 0 8px 20px rgba(30, 61, 87, .08);
    }

    .item-card,
    .side-card,
    .note-card,
    .related-card,
    .subscribe-card {
      border: 1px solid rgba(120, 175, 196, .24);
      background: rgba(255, 255, 255, .92);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .item-card {
      padding: 24px;
      display: grid;
      gap: 14px;
    }

    .item-card.featured {
      background: linear-gradient(135deg, #fff, #f0f8fc);
      border-color: rgba(35, 103, 168, .24);
    }

    .item-card:hover,
    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(35, 103, 168, .34);
    }

    .item-top {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
    }

    .item-date {
      color: var(--weak);
      font-size: 13px;
      font-weight: 750;
      white-space: nowrap;
    }

    .item-card h3 {
      margin-bottom: 6px;
      font-size: 21px;
      line-height: 1.45;
      font-weight: 800;
    }

    .item-card p {
      margin-bottom: 0;
      color: var(--muted);
      line-height: 1.85;
    }

    .item-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      color: var(--primary);
      font-weight: 800;
    }

    .item-link:hover {
      color: var(--primary-dark);
      transform: translateX(3px);
    }

    .sidebar {
      position: sticky;
      top: 110px;
      display: grid;
      gap: 18px;
    }

    .side-card {
      padding: 22px;
    }

    .side-card h3 {
      margin-bottom: 14px;
      font-size: 19px;
      font-weight: 800;
    }

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

    .anchor-list a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--muted);
      font-weight: 700;
      border: 1px solid transparent;
    }

    .anchor-list a::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--aqua);
      flex: 0 0 auto;
    }

    .anchor-list a:hover {
      color: var(--primary);
      background: var(--primary-soft);
      border-color: rgba(35, 103, 168, .12);
    }

    .status-row {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 13px 0;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .status-row:last-child { border-bottom: 0; }

    .status-row strong {
      color: var(--text);
    }

    .mini-form {
      display: grid;
      gap: 10px;
    }

    .field {
      width: 100%;
      height: 48px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #fff;
      padding: 0 14px;
      color: var(--text);
      transition: var(--ease);
    }

    .field:focus {
      border-color: rgba(35, 103, 168, .48);
      box-shadow: 0 0 0 4px rgba(35, 103, 168, .08);
      outline: none;
    }

    .form-message {
      min-height: 22px;
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .form-message.error { color: #a65128; }
    .form-message.success { color: var(--primary); }

    .note-card {
      padding: 30px;
      background: linear-gradient(135deg, #eef8fb, #ffffff);
    }

    .note-grid {
      display: grid;
      grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
      gap: 30px;
      align-items: start;
    }

    .note-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 13px;
    }

    .note-list li {
      position: relative;
      padding-left: 22px;
      color: var(--muted);
    }

    .note-list li::before {
      content: "";
      position: absolute;
      top: .74em;
      left: 0;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    .related-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr .85fr;
      gap: 18px;
    }

    .related-card {
      padding: 22px;
      min-height: 178px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .related-card .code {
      color: var(--primary);
      font-size: 28px;
      font-weight: 800;
      line-height: 1;
    }

    .related-card h3 {
      margin: 14px 0 8px;
      font-size: 20px;
      font-weight: 800;
    }

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

    .faq-wrap {
      display: grid;
      grid-template-columns: minmax(220px, 4fr) minmax(0, 8fr);
      gap: 32px;
      align-items: start;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid rgba(120, 175, 196, .24);
      border-radius: 16px;
      overflow: hidden;
      background: #fff;
      box-shadow: 0 8px 24px rgba(30, 61, 87, .06);
    }

    .accordion-title {
      border: 0;
      padding: 18px 52px 18px 22px;
      color: var(--text);
      font-weight: 800;
      font-size: 16px;
      line-height: 1.55;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .accordion-title::before {
      right: 22px;
      color: var(--primary);
      font-size: 22px;
      margin-top: -12px;
    }

    .accordion-content {
      border: 0;
      border-top: 1px solid var(--line);
      padding: 18px 22px 22px;
      color: var(--muted);
      background: linear-gradient(90deg, rgba(35, 103, 168, .06), transparent 14px), #fbfdfe;
    }

    .subscribe-band {
      padding: 0 0 82px;
    }

    .subscribe-card {
      padding: 30px;
      display: grid;
      grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
      gap: 28px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(231, 241, 250, .94), rgba(255,255,255,.96)),
        repeating-linear-gradient(0deg, rgba(35,103,168,.05) 0 1px, transparent 1px 42px);
    }

    .subscribe-card p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .subscribe-options {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .check-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border-radius: 12px;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .site-footer {
      background: #edf4f8;
      border-top: 1px solid rgba(120, 175, 196, .25);
      padding: 44px 0 28px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) .8fr .8fr;
      gap: 34px;
      align-items: start;
    }

    .footer-top p {
      max-width: 360px;
      color: var(--muted);
      margin: 12px 0 0;
    }

    .footer-col {
      display: grid;
      gap: 8px;
    }

    .footer-col h3 {
      margin-bottom: 8px;
      font-size: 16px;
      font-weight: 800;
    }

    .footer-col a {
      color: var(--muted);
      font-weight: 650;
    }

    .footer-col a:hover {
      color: var(--primary);
      transform: translateX(3px);
    }

    .footer-bottom {
      margin-top: 32px;
      padding-top: 22px;
      border-top: 1px solid rgba(120, 175, 196, .28);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .dock {
        gap: 8px;
      }

      .nav-link {
        padding: 0 11px;
      }

      .hero-layout,
      .content-layout,
      .subscribe-card {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .related-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        padding-top: 18px;
      }

      .dock {
        width: min(560px, calc(100% - 28px));
      }

      .brand span:last-child {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-links,
      .search-button,
      .dock-actions .button-main {
        display: none;
      }

      .menu-button {
        display: inline-grid;
      }

      .dock-actions {
        margin-left: auto;
      }

      .page-hero {
        padding-top: 32px;
      }

      .hero-band {
        padding: 24px;
        border-radius: 22px;
      }

      .section {
        padding: 54px 0;
      }

      .section-head {
        display: block;
      }

      .sidebar,
      .note-grid,
      .faq-wrap,
      .footer-top {
        grid-template-columns: 1fr;
      }

      .timeline::before {
        left: 21px;
      }

      .timeline-item {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 12px;
      }

      .timeline-marker {
        width: 44px;
        height: 44px;
        border-radius: 14px;
        font-size: 13px;
      }

      .item-top {
        display: block;
      }

      .item-date {
        margin-top: 4px;
      }

      .related-grid {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: calc(100% - 32px);
      }

      .dock {
        width: calc(100% - 24px);
        min-height: 62px;
      }

      .brand {
        padding-left: 4px;
      }

      .brand span:last-child {
        max-width: 150px;
      }

      h1 {
        font-size: 32px;
      }

      .hero-copy {
        font-size: 15px;
      }

      .button-main,
      .button-secondary {
        width: 100%;
      }

      .filter-tags,
      .meta-tags,
      .subscribe-options {
        gap: 8px;
      }

      .tag,
      .check-pill {
        width: 100%;
        justify-content: center;
      }

      .item-card,
      .side-card,
      .note-card,
      .subscribe-card {
        border-radius: 16px;
        padding: 20px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition: none !important;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #f6f9fc;
      --bg-soft: #eef6fb;
      --surface: #ffffff;
      --surface-blue: #f3f8fc;
      --primary: #2367a8;
      --primary-dark: #1d568d;
      --primary-soft: #dcecf3;
      --accent: #e98557;
      --teal: #78afc4;
      --text: #1e2d3a;
      --muted: #61717f;
      --weak: #8b99a5;
      --line: #d8e6ef;
      --line-strong: #c5d9e6;
      --shadow-sm: 0 8px 22px rgba(30, 61, 87, .06);
      --shadow: 0 12px 32px rgba(30, 61, 87, .08);
      --shadow-lg: 0 20px 52px rgba(30, 61, 87, .12);
      --radius-sm: 12px;
      --radius: 18px;
      --radius-lg: 22px;
      --dock-radius: 999px;
      --container: 1180px;
      --ease: 220ms ease-out;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 112px;
    }

    body {
      margin: 0;
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(120, 175, 196, .18), transparent 28%),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 44%, #f8fbfd 100%);
      line-height: 1.8;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(35, 103, 168, .28);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 24px;
      z-index: 50;
      padding: 0 20px;
      margin-top: 24px;
    }

    .dock {
      width: min(1140px, 100%);
      min-height: 68px;
      margin: 0 auto;
      padding: 10px 12px 10px 18px;
      display: flex;
      align-items: center;
      gap: 18px;
      border: 1px solid rgba(197, 217, 230, .88);
      border-radius: var(--dock-radius);
      background: rgba(255, 255, 255, .92);
      box-shadow: var(--shadow);
      backdrop-filter: blur(14px);
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
      min-width: 0;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      border-radius: 11px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 36px;
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary) 0%, var(--teal) 100%);
      box-shadow: 0 8px 20px rgba(35, 103, 168, .25);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      flex: 1 1 auto;
      min-width: 0;
    }

    .nav-link {
      position: relative;
      min-height: 40px;
      padding: 8px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .nav-link.active::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 4px rgba(35, 103, 168, .1);
    }

    .dock-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 0 0 auto;
    }

    .search-button,
    .menu-button {
      width: 44px;
      height: 44px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: var(--surface);
      color: var(--primary);
      font-size: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .search-button:hover,
    .menu-button:hover {
      background: var(--surface-blue);
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .menu-button {
      display: none;
    }

    .button-main,
    .button-secondary,
    .button-soft {
      min-height: 44px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 18px;
      border: 1px solid transparent;
      font-weight: 750;
      line-height: 1.2;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .button-main {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 10px 24px rgba(35, 103, 168, .18);
    }

    .button-main:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(35, 103, 168, .24);
    }

    .button-secondary {
      background: #fff;
      color: var(--primary);
      border-color: var(--line-strong);
    }

    .button-secondary:hover {
      background: var(--surface-blue);
      color: var(--primary-dark);
      transform: translateY(-2px);
      border-color: var(--primary-soft);
    }

    .button-soft {
      background: var(--primary-soft);
      color: var(--primary-dark);
    }

    .button-soft:hover {
      background: #cfe5ef;
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

    .mobile-panel {
      display: none;
      width: min(1140px, calc(100% - 40px));
      margin: 10px auto 0;
      padding: 14px;
      background: rgba(255, 255, 255, .96);
      border: 1px solid var(--line);
      border-radius: 20px;
      box-shadow: var(--shadow);
    }

    .mobile-panel.is-open {
      display: block;
    }

    .mobile-panel a {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--muted);
      font-weight: 700;
    }

    .mobile-panel a:hover,
    .mobile-panel a.active {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .page-hero {
      padding: 76px 0 46px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 18px;
      color: var(--weak);
      font-size: 14px;
      font-weight: 650;
    }

    .breadcrumb a {
      color: var(--primary);
    }

    .hero-shell {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
      gap: 24px;
      align-items: stretch;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      min-height: 420px;
      padding: 36px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(30, 45, 58, .98), rgba(35, 103, 168, .92)),
        radial-gradient(circle at 12% 12%, rgba(120, 175, 196, .36), transparent 32%);
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      inset: auto -80px -110px auto;
      width: 330px;
      height: 330px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .08);
      pointer-events: none;
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 5px 12px;
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: 999px;
      background: rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .86);
      font-size: 13px;
      font-weight: 750;
    }

    .hero-kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #9ed4e6;
    }

    h1 {
      position: relative;
      margin: 22px 0 16px;
      max-width: 760px;
      font-size: clamp(34px, 4.4vw, 46px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: 0;
      color: #fff;
      z-index: 1;
    }

    .hero-lead {
      position: relative;
      max-width: 660px;
      margin: 0;
      color: rgba(255, 255, 255, .82);
      font-size: 16px;
      line-height: 1.86;
      z-index: 1;
    }

    .hero-tags,
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .tag,
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 30px;
      padding: 5px 10px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: var(--surface-blue);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.2;
    }

    .hero-panel .tag {
      color: rgba(255, 255, 255, .88);
      border-color: rgba(255, 255, 255, .2);
      background: rgba(255, 255, 255, .11);
    }

    .entry-row {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
      z-index: 1;
    }

    .entry-row .button-secondary {
      background: rgba(255, 255, 255, .08);
      border-color: rgba(255, 255, 255, .24);
      color: #fff;
    }

    .entry-row .button-secondary:hover {
      background: rgba(255, 255, 255, .16);
      color: #fff;
    }

    .index-visual {
      position: absolute;
      right: 32px;
      bottom: 30px;
      width: 230px;
      display: grid;
      gap: 8px;
      opacity: .72;
      z-index: 0;
    }

    .index-line {
      height: 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .18);
    }

    .index-line:nth-child(2) {
      width: 82%;
    }

    .index-line:nth-child(3) {
      width: 68%;
    }

    .rank-panel {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow);
    }

    .rank-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .rank-head h2 {
      margin: 0 0 4px;
      font-size: 22px;
      line-height: 1.35;
      font-weight: 800;
      color: var(--text);
    }

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

    .rank-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: linear-gradient(180deg, #fff 0%, #f8fbfd 100%);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .rank-item:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow-sm);
    }

    .rank-no {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 850;
    }

    .rank-item strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
      color: var(--text);
    }

    .rank-item span {
      display: block;
      margin-top: 3px;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.45;
    }

    .rank-state {
      min-width: 72px;
      text-align: center;
      padding: 5px 8px;
      border-radius: 999px;
      background: #fff5ef;
      color: #b85c32;
      font-size: 12px;
      font-weight: 800;
    }

    .section {
      padding: 54px 0;
    }

    .section-tight {
      padding-top: 18px;
    }

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

    .section-title {
      margin: 0;
      color: var(--text);
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.32;
      font-weight: 800;
    }

    .section-copy {
      max-width: 620px;
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .layout-main {
      display: grid;
      grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr);
      gap: 24px;
      align-items: start;
    }

    .index-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .index-card {
      position: relative;
      min-height: 214px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .index-card:hover {
      transform: translateY(-4px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow);
    }

    .index-card.feature {
      grid-column: span 2;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 230px;
      gap: 22px;
      min-height: 260px;
      background:
        linear-gradient(135deg, #ffffff 0%, #f3f8fc 100%);
    }

    .card-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 34px;
      border-radius: 12px;
      background: var(--primary);
      color: #fff;
      font-weight: 850;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    .index-card h2,
    .index-card h3 {
      margin: 0 0 10px;
      color: var(--text);
      font-size: 20px;
      line-height: 1.38;
      font-weight: 800;
    }

    .index-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.82;
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .arrow-link {
      position: absolute;
      right: 18px;
      top: 18px;
      width: 38px;
      height: 38px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--surface-blue);
      color: var(--primary);
      font-size: 20px;
      font-weight: 800;
      border: 1px solid var(--line);
    }

    .index-card:hover .arrow-link {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    .paper-stack {
      display: grid;
      gap: 12px;
      align-content: center;
    }

    .paper {
      min-height: 54px;
      padding: 10px 12px;
      border-radius: 14px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .paper b {
      display: block;
      height: 8px;
      width: 72%;
      border-radius: 999px;
      background: var(--primary-soft);
      margin-bottom: 10px;
    }

    .paper span {
      display: block;
      height: 7px;
      width: 44%;
      border-radius: 999px;
      background: #eef3f7;
    }

    .side-stack {
      display: grid;
      gap: 16px;
      position: sticky;
      top: 112px;
    }

    .side-card,
    .notice-card,
    .related-card {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: var(--shadow-sm);
    }

    .side-card h2,
    .side-card h3,
    .notice-card h2,
    .related-card h3 {
      margin: 0 0 12px;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
      color: var(--text);
    }

    .side-card p,
    .notice-card p,
    .related-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.78;
    }

    .anchor-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .anchor-list a {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 40px;
      padding: 9px 10px;
      border-radius: 12px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      border-left: 3px solid transparent;
    }

    .anchor-list a::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--line-strong);
    }

    .anchor-list a:hover {
      color: var(--primary);
      background: var(--surface-blue);
      border-left-color: var(--primary);
    }

    .mini-status {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .status-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .status-row:last-child {
      border-bottom: 0;
    }

    .status-row strong {
      color: var(--text);
    }

    .subscribe-mini {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .input-field {
      width: 100%;
      min-height: 46px;
      margin: 0;
      padding: 11px 13px;
      border: 1px solid var(--line-strong);
      border-radius: 12px;
      background: #fff;
      color: var(--text);
      box-shadow: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .input-field:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(35, 103, 168, .12);
      background: #fff;
    }

    .form-note {
      min-height: 22px;
      margin: 0;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.5;
    }

    .form-note.is-error {
      color: #b85c32;
    }

    .form-note.is-success {
      color: #2f7186;
    }

    .notice-band {
      padding: 34px;
      border-radius: var(--radius-lg);
      border: 1px solid #cfe2ec;
      background:
        linear-gradient(135deg, rgba(220, 236, 243, .84), rgba(255, 255, 255, .94)),
        radial-gradient(circle at 82% 20%, rgba(233, 133, 87, .12), transparent 28%);
      box-shadow: var(--shadow-sm);
    }

    .notice-grid {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 24px;
      align-items: center;
    }

    .notice-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .notice-list li {
      position: relative;
      padding-left: 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .notice-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    .faq-layout {
      display: grid;
      grid-template-columns: minmax(240px, 4fr) minmax(0, 8fr);
      gap: 28px;
      align-items: start;
    }

    .accordion {
      background: transparent;
      border: 0;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
      background: var(--surface);
      box-shadow: var(--shadow-sm);
    }

    .accordion-title {
      position: relative;
      padding: 18px 54px 18px 22px;
      border: 0;
      color: var(--text);
      font-size: 16px;
      font-weight: 800;
      line-height: 1.5;
      background: #fff;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--primary);
      background: var(--surface-blue);
    }

    .accordion-title::before {
      right: 20px;
      margin-top: -12px;
      color: var(--primary);
      font-size: 22px;
      font-weight: 700;
    }

    .is-active > .accordion-title {
      background: var(--surface-blue);
      color: var(--primary-dark);
      box-shadow: inset 4px 0 0 var(--primary);
    }

    .accordion-content {
      padding: 18px 22px 22px;
      border: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
      background: #fff;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .related-card {
      min-height: 150px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: var(--line-strong);
    }

    .site-footer {
      margin-top: 54px;
      padding: 44px 0 28px;
      background: #edf4f8;
      border-top: 1px solid var(--line);
    }

    .footer-top {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(160px, .8fr) minmax(160px, .8fr);
      gap: 32px;
      align-items: start;
    }

    .footer-brand {
      font-size: 18px;
    }

    .footer-top p {
      max-width: 420px;
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .footer-col {
      display: grid;
      gap: 8px;
    }

    .footer-col h3 {
      margin: 0 0 6px;
      font-size: 15px;
      font-weight: 800;
      color: var(--text);
    }

    .footer-col a {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-col a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      color: var(--weak);
      font-size: 13px;
      line-height: 1.7;
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition: none !important;
      }
    }

    @media (max-width: 1024px) {
      .dock {
        gap: 10px;
      }

      .brand span:last-child {
        max-width: 260px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-link {
        padding: 8px 10px;
      }

      .hero-shell,
      .layout-main,
      .notice-grid,
      .faq-layout {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
      }

      .hero-panel {
        min-height: 360px;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        top: 16px;
        margin-top: 16px;
        padding: 0 16px;
      }

      .dock {
        min-height: 60px;
        padding: 8px 10px 8px 12px;
      }

      .nav-links,
      .search-button,
      .dock-actions .button-main {
        display: none;
      }

      .menu-button {
        display: inline-flex;
      }

      .brand {
        flex: 1 1 auto;
        font-size: 14px;
      }

      .brand span:last-child {
        max-width: calc(100vw - 156px);
      }

      .container {
        width: min(100% - 32px, var(--container));
      }

      .page-hero {
        padding: 54px 0 32px;
      }

      .hero-panel,
      .rank-panel,
      .notice-band {
        border-radius: 16px;
        padding: 22px;
      }

      .index-grid,
      .index-card.feature,
      .related-grid {
        grid-template-columns: 1fr;
      }

      .index-card.feature {
        grid-column: span 1;
      }

      .paper-stack {
        display: none;
      }

      .section-head,
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 520px) {
      body {
        line-height: 1.75;
      }

      .hero-panel {
        min-height: auto;
      }

      h1 {
        font-size: 32px;
      }

      .hero-lead {
        font-size: 15px;
      }

      .entry-row,
      .filter-bar {
        flex-direction: column;
      }

      .entry-row a,
      .filter-bar .tag,
      .button-main,
      .button-secondary,
      .button-soft {
        width: 100%;
      }

      .rank-item {
        grid-template-columns: 40px minmax(0, 1fr);
      }

      .rank-state {
        grid-column: 2;
        width: fit-content;
      }

      .index-visual {
        display: none;
      }

      .section {
        padding: 42px 0;
      }

      .accordion-title {
        padding-right: 48px;
      }
    }

/* roulang page: category3 */
:root {
      --color-bg: #f6f9fc;
      --color-bg-soft: #eef6fb;
      --color-card: #ffffff;
      --color-primary: #2367a8;
      --color-primary-dark: #1d568d;
      --color-primary-soft: #e7f1fa;
      --color-teal: #78afc4;
      --color-line: #d9e7f0;
      --color-text: #1e2d3a;
      --color-muted: #61717f;
      --color-weak: #8b99a5;
      --color-warm: #e98557;
      --shadow-card: 0 12px 32px rgba(30, 61, 87, .08);
      --shadow-hover: 0 18px 42px rgba(30, 61, 87, .13);
      --radius-xl: 20px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-pill: 999px;
      --container: 1180px;
      --transition: 220ms ease-out;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 12% 8%, rgba(120, 175, 196, .18), transparent 26%),
        linear-gradient(180deg, #f8fbfe 0%, var(--color-bg) 48%, #f3f8fc 100%);
      line-height: 1.8;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(35, 103, 168, .28);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 24px;
      z-index: 50;
      padding: 0 20px;
      margin-top: 24px;
    }

    .dock {
      width: min(1160px, 100%);
      min-height: 68px;
      margin: 0 auto;
      padding: 10px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      border: 1px solid rgba(190, 213, 228, .82);
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .92);
      box-shadow: 0 16px 42px rgba(39, 73, 101, .12);
      backdrop-filter: blur(14px);
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 760;
      color: var(--color-text);
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 10px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
      box-shadow: 0 8px 18px rgba(35, 103, 168, .24);
      font-size: 14px;
      font-weight: 800;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      flex: 1 1 auto;
    }

    .nav-link {
      position: relative;
      min-height: 42px;
      padding: 9px 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-pill);
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .nav-link:hover {
      color: var(--color-primary);
      background: rgba(231, 241, 250, .72);
    }

    .nav-link.active {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .nav-link.active::before {
      content: "";
      width: 6px;
      height: 6px;
      margin-right: 7px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(35, 103, 168, .1);
    }

    .dock-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 0 0 auto;
    }

    .search-button,
    .menu-button {
      width: 44px;
      height: 44px;
      display: inline-grid;
      place-items: center;
      border: 1px solid var(--color-line);
      border-radius: 50%;
      background: #fff;
      color: var(--color-primary);
      font-size: 20px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .search-button:hover,
    .menu-button:hover {
      transform: translateY(-2px);
      border-color: rgba(35, 103, 168, .3);
      box-shadow: 0 10px 22px rgba(35, 103, 168, .12);
    }

    .button-main,
    .button-secondary,
    .button-ghost {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 11px 18px;
      border-radius: 13px;
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 720;
      line-height: 1.2;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }

    .button-main {
      color: #fff;
      background: var(--color-primary);
      box-shadow: 0 12px 24px rgba(35, 103, 168, .22);
    }

    .button-main:hover {
      color: #fff;
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(35, 103, 168, .28);
    }

    .button-secondary {
      color: var(--color-primary);
      background: #fff;
      border-color: rgba(35, 103, 168, .25);
    }

    .button-secondary:hover {
      color: var(--color-primary-dark);
      background: #f0f7fc;
      border-color: rgba(35, 103, 168, .42);
      transform: translateY(-2px);
    }

    .button-ghost {
      color: var(--color-muted);
      background: transparent;
      border-color: var(--color-line);
    }

    .button-ghost:hover {
      color: var(--color-primary);
      background: rgba(231, 241, 250, .7);
    }

    .menu-button {
      display: none;
    }

    .mobile-panel,
    .search-panel {
      display: none;
      width: min(680px, calc(100% - 40px));
      margin: 12px auto 0;
      padding: 14px;
      border: 1px solid var(--color-line);
      border-radius: 18px;
      background: rgba(255, 255, 255, .96);
      box-shadow: var(--shadow-card);
    }

    .mobile-panel.is-open,
    .search-panel.is-open {
      display: block;
    }

    .mobile-panel a {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 10px 12px;
      border-radius: 12px;
      color: var(--color-muted);
      font-weight: 650;
    }

    .mobile-panel a.active,
    .mobile-panel a:hover {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .search-form {
      display: flex;
      gap: 10px;
    }

    .search-form input,
    .subscribe-form input {
      width: 100%;
      min-height: 46px;
      border: 1px solid var(--color-line);
      border-radius: 12px;
      background: #fff;
      color: var(--color-text);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.65);
    }

    .search-form input:focus,
    .subscribe-form input:focus {
      border-color: rgba(35, 103, 168, .5);
      box-shadow: 0 0 0 4px rgba(35, 103, 168, .1);
    }

    main {
      padding-top: 68px;
    }

    .page-hero {
      padding: 58px 0 42px;
    }

    .crumb {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      color: var(--color-weak);
      font-size: 14px;
      font-weight: 620;
    }

    .crumb a {
      color: var(--color-primary);
    }

    .hero-shell {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
      gap: 26px;
      align-items: stretch;
    }

    .hero-copy {
      position: relative;
      padding: 34px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .86);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -100px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(120, 175, 196, .15);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 6px 10px;
      margin-bottom: 18px;
      border-radius: 11px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 720;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-teal);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 780px;
      margin-bottom: 18px;
      font-size: clamp(34px, 4vw, 46px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--color-text);
    }

    .hero-lead {
      max-width: 780px;
      margin-bottom: 22px;
      color: var(--color-muted);
      font-size: 17px;
      line-height: 1.85;
    }

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

    .chip,
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 6px 11px;
      border: 1px solid rgba(120, 175, 196, .28);
      border-radius: 11px;
      background: #f7fbfd;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 680;
      line-height: 1.2;
    }

    .chip.is-active,
    .badge.primary {
      color: var(--color-primary);
      background: var(--color-primary-soft);
      border-color: rgba(35, 103, 168, .22);
    }

    .hero-index-card {
      padding: 24px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, #fff 0%, #f4f9fd 100%);
      box-shadow: var(--shadow-card);
    }

    .index-visual {
      min-height: 238px;
      padding: 18px;
      border-radius: 18px;
      background:
        linear-gradient(90deg, rgba(35, 103, 168, .08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(35, 103, 168, .08) 1px, transparent 1px),
        #f8fbfe;
      background-size: 28px 28px;
      border: 1px solid var(--color-line);
    }

    .paper {
      min-height: 58px;
      margin-bottom: 12px;
      padding: 12px;
      border-radius: 14px;
      background: #fff;
      border: 1px solid rgba(217, 231, 240, .9);
      box-shadow: 0 8px 18px rgba(30, 61, 87, .06);
    }

    .paper:nth-child(2) {
      margin-left: 26px;
    }

    .paper:nth-child(3) {
      margin-left: 52px;
      margin-bottom: 0;
    }

    .paper-line {
      height: 8px;
      margin-bottom: 9px;
      border-radius: 999px;
      background: #dcecf3;
    }

    .paper-line.short {
      width: 58%;
      background: rgba(35, 103, 168, .24);
    }

    .index-meta {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 16px;
    }

    .meta-box {
      padding: 12px;
      border: 1px solid var(--color-line);
      border-radius: 14px;
      background: #fff;
    }

    .meta-box strong {
      display: block;
      color: var(--color-primary);
      font-size: 20px;
      line-height: 1.1;
    }

    .meta-box span {
      display: block;
      margin-top: 6px;
      color: var(--color-weak);
      font-size: 12px;
      line-height: 1.4;
    }

    .section {
      padding: 58px 0;
    }

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

    .section-title {
      max-width: 740px;
    }

    .section-title h2 {
      margin-bottom: 9px;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.3;
      font-weight: 780;
    }

    .section-title p {
      margin-bottom: 0;
      color: var(--color-muted);
      font-size: 16px;
    }

    .content-layout {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 26px;
      align-items: start;
    }

    .side-card,
    .info-card,
    .masonry-card,
    .notice-card,
    .faq-panel,
    .cta-panel {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .9);
      box-shadow: var(--shadow-card);
    }

    .side-card {
      position: sticky;
      top: 116px;
      padding: 18px;
    }

    .side-title {
      margin-bottom: 12px;
      color: var(--color-text);
      font-size: 16px;
      font-weight: 760;
    }

    .side-list {
      display: grid;
      gap: 8px;
      margin: 0 0 18px;
      padding: 0;
      list-style: none;
    }

    .side-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 42px;
      padding: 9px 11px;
      border-radius: 12px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .side-list a:hover,
    .side-list a.is-current {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .side-list a span:last-child {
      width: 8px;
      height: 8px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: #c9dae5;
    }

    .side-list a.is-current span:last-child {
      background: var(--color-primary);
    }

    .mini-subscribe {
      padding-top: 16px;
      border-top: 1px solid var(--color-line);
    }

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

    .subscribe-form {
      display: grid;
      gap: 10px;
    }

    .form-note {
      min-height: 22px;
      color: var(--color-weak);
      font-size: 13px;
    }

    .form-note.is-error {
      color: var(--color-warm);
    }

    .form-note.is-success {
      color: var(--color-primary);
    }

    .masonry-grid {
      columns: 2 300px;
      column-gap: 18px;
    }

    .masonry-card {
      break-inside: avoid;
      display: inline-block;
      width: 100%;
      margin: 0 0 18px;
      padding: 20px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .masonry-card:hover {
      transform: translateY(-4px);
      border-color: rgba(35, 103, 168, .35);
      box-shadow: var(--shadow-hover);
    }

    .masonry-card.feature {
      padding: 24px;
      background: linear-gradient(180deg, #ffffff 0%, #f1f7fc 100%);
    }

    .card-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .card-number {
      width: 44px;
      height: 44px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-weight: 800;
    }

    .masonry-card h3 {
      margin-bottom: 9px;
      font-size: 19px;
      line-height: 1.38;
      font-weight: 740;
    }

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

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 14px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 760;
    }

    .card-link::after {
      content: "→";
      transition: transform var(--transition);
    }

    .masonry-card:hover .card-link::after {
      transform: translateX(4px);
    }

    .notice-card {
      padding: 26px;
      background: linear-gradient(135deg, #eef7fb 0%, #ffffff 74%);
    }

    .notice-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: start;
    }

    .notice-card h2 {
      margin-bottom: 12px;
      font-size: 26px;
      font-weight: 780;
    }

    .notice-card p {
      margin-bottom: 0;
      color: var(--color-muted);
    }

    .note-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .note-list li {
      position: relative;
      padding: 13px 14px 13px 34px;
      border: 1px solid rgba(120, 175, 196, .24);
      border-radius: 14px;
      background: rgba(255,255,255,.76);
      color: var(--color-muted);
      font-size: 15px;
    }

    .note-list li::before {
      content: "";
      position: absolute;
      left: 14px;
      top: 21px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .related-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .related-card {
      min-height: 118px;
      padding: 18px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-card);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(35, 103, 168, .32);
      box-shadow: var(--shadow-hover);
    }

    .related-card strong {
      display: block;
      margin-bottom: 8px;
      color: var(--color-text);
      font-size: 17px;
    }

    .related-card span {
      color: var(--color-muted);
      font-size: 14px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 330px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .faq-intro {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: var(--color-bg-soft);
      border: 1px solid var(--color-line);
    }

    .faq-intro h2 {
      margin-bottom: 10px;
      font-size: 26px;
      font-weight: 780;
    }

    .faq-intro p {
      color: var(--color-muted);
      margin-bottom: 18px;
    }

    .accordion {
      margin: 0;
      background: transparent;
      border: 0;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: 0 10px 24px rgba(30, 61, 87, .06);
      overflow: hidden;
    }

    .accordion-title {
      position: relative;
      min-height: 58px;
      padding: 17px 52px 17px 20px;
      border: 0;
      color: var(--color-text);
      font-size: 16px;
      font-weight: 720;
      line-height: 1.5;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .accordion-title::before {
      right: 20px;
      margin-top: -12px;
      color: var(--color-primary);
      font-size: 24px;
    }

    .is-active > .accordion-title {
      background: var(--color-primary-soft);
      color: var(--color-primary);
      box-shadow: inset 4px 0 0 var(--color-primary);
    }

    .accordion-content {
      border: 0;
      padding: 0 20px 20px 24px;
      color: var(--color-muted);
      background: #fff;
      font-size: 15px;
      line-height: 1.78;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding: 30px;
      background:
        linear-gradient(135deg, rgba(35, 103, 168, .1), rgba(120, 175, 196, .12)),
        #fff;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: 36px;
      top: -54px;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: rgba(233, 133, 87, .12);
      pointer-events: none;
    }

    .cta-panel h2 {
      margin-bottom: 8px;
      font-size: 26px;
      font-weight: 780;
    }

    .cta-panel p {
      max-width: 700px;
      margin-bottom: 0;
      color: var(--color-muted);
    }

    .cta-actions {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .site-footer {
      margin-top: 54px;
      padding: 42px 0 30px;
      background: #edf4f8;
      border-top: 1px solid var(--color-line);
    }

    .footer-top {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(180px, .45fr));
      gap: 30px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid #d6e4ed;
    }

    .footer-brand {
      margin-bottom: 12px;
      font-size: 17px;
    }

    .site-footer p,
    .footer-bottom {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .footer-col h3 {
      margin-bottom: 12px;
      color: var(--color-text);
      font-size: 15px;
      font-weight: 760;
    }

    .footer-col a {
      display: block;
      width: fit-content;
      margin-bottom: 8px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--color-primary);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 20px;
    }

    @media (max-width: 1024px) {
      .site-header {
        top: 16px;
        margin-top: 16px;
      }

      .dock {
        gap: 10px;
      }

      .nav-links {
        gap: 0;
      }

      .nav-link {
        padding: 9px 10px;
      }

      .hero-shell,
      .content-layout,
      .notice-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .side-card {
        position: static;
      }

      .related-strip {
        grid-template-columns: repeat(2, 1fr);
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      main {
        padding-top: 44px;
      }

      .nav-links,
      .dock .search-button,
      .dock .button-main {
        display: none;
      }

      .menu-button {
        display: inline-grid;
      }

      .dock {
        min-height: 62px;
        padding: 9px 10px;
      }

      .brand {
        font-size: 14px;
      }

      .hero-copy,
      .hero-index-card,
      .notice-card,
      .cta-panel {
        padding: 22px;
        border-radius: 16px;
      }

      .section {
        padding: 44px 0;
      }

      .section-head {
        display: block;
      }

      .section-title {
        margin-bottom: 18px;
      }

      .masonry-grid {
        columns: 1;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .site-header {
        padding: 0 12px;
      }

      .brand span:last-child {
        max-width: 210px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      h1 {
        font-size: 32px;
      }

      .hero-lead,
      .section-title p {
        font-size: 15px;
      }

      .index-meta,
      .related-strip {
        grid-template-columns: 1fr;
      }

      .search-form,
      .cta-actions {
        grid-template-columns: 1fr;
        display: grid;
      }

      .button-main,
      .button-secondary,
      .button-ghost {
        width: 100%;
      }

      .mobile-panel,
      .search-panel {
        width: calc(100% - 24px);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: 1ms !important;
        animation-duration: 1ms !important;
      }
    }