/* roulang page: index */
:root {
      --ink: #17243b;
      --steel: #53627a;
      --brand: #1e55a7;
      --brand-dark: #153d7d;
      --mist: #f3f7fb;
      --line: #dce5ef;
      --mint: #2d8b7c;
      --coral: #c56d5d;
      --radius: 8px;
      --shadow: 0 14px 35px rgba(32, 67, 110, .08);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: #f7f9fc;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button { cursor: pointer; }
    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .section { padding: 92px 0; }
    .section-head { max-width: 680px; margin-bottom: 36px; }
    .section-kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--brand); font-size: 12px; font-weight: 700;
      letter-spacing: .08em; text-transform: uppercase;
    }
    .section-kicker::before { content: ""; width: 22px; height: 2px; background: var(--brand); }
    .section-title { margin: 10px 0 12px; font-size: clamp(28px, 4vw, 42px); line-height: 1.22; letter-spacing: 0; }
    .section-copy { margin: 0; color: var(--steel); max-width: 650px; }
    .topline { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.9); }
    .brand-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .logo-mark { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; font-size: 19px; letter-spacing: 0; }
    .logo-box {
      width: 34px; height: 34px; border-radius: 7px; display: grid; place-items: center;
      color: #fff; background: var(--brand); box-shadow: 0 6px 14px rgba(30,85,167,.2);
    }
    .status { color: var(--mint); background: #eaf7f3; border: 1px solid #c8e9df; border-radius: 999px; padding: 3px 10px; font-size: 12px; font-weight: 700; }
    .top-actions { display: flex; align-items: center; gap: 10px; }
    .icon-button {
      width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line);
      color: var(--steel); background: #fff; border-radius: 7px; transition: .2s ease;
    }
    .icon-button:hover, .icon-button:focus-visible { color: var(--brand); border-color: #9ebbe2; box-shadow: 0 0 0 3px rgba(30,85,167,.12); outline: none; }
    .nav-strip { border-bottom: 1px solid var(--line); background: #fff; }
    .nav-items { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; padding: 12px 0; }
    .nav-item {
      min-height: 52px; display: flex; align-items: center; justify-content: center; gap: 9px;
      color: var(--steel); border: 1px solid transparent; border-radius: 7px; font-size: 14px; font-weight: 700; transition: .2s ease;
    }
    .nav-item svg { width: 18px; height: 18px; }
    .nav-item:hover { color: var(--brand); background: #f3f7fc; }
    .nav-item.active { color: var(--brand); border-color: #b7cdea; background: #edf4ff; }
    .hero { padding: 78px 0 88px; background: linear-gradient(180deg, #eef5fd 0%, #f7f9fc 80%); }
    .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; }
    .hero h1 { margin: 16px 0 20px; max-width: 680px; font-size: clamp(36px, 5vw, 64px); line-height: 1.12; letter-spacing: 0; font-weight: 800; }
    .hero-intro { color: var(--steel); font-size: 17px; max-width: 650px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .button {
      min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
      padding: 0 18px; border-radius: 7px; border: 1px solid transparent; font-weight: 700; transition: .2s ease;
    }
    .button-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 18px rgba(30,85,167,.18); }
    .button-primary:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 12px 24px rgba(30,85,167,.22); }
    .button-secondary { background: #fff; color: var(--brand); border-color: #b7cdea; }
    .button-secondary:hover { background: #edf4ff; border-color: var(--brand); }
    .hero-board { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
    .board-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
    .board-title { font-size: 14px; font-weight: 800; }
    .board-date { color: var(--steel); font-size: 12px; }
    .metric-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin: 18px 0; }
    .metric { padding: 15px; border: 1px solid var(--line); border-radius: 7px; background: #fbfdff; }
    .metric-label { color: var(--steel); font-size: 12px; }
    .metric-value { margin-top: 3px; font-size: 28px; line-height: 1.2; font-weight: 800; color: var(--brand); }
    .metric-note { color: var(--mint); font-size: 11px; }
    .search-panel { padding-top: 10px; }
    .field-label { display: block; color: var(--ink); font-size: 13px; font-weight: 700; margin-bottom: 7px; }
    .search-row { display: flex; gap: 8px; }
    .input, .select, .textarea {
      width: 100%; color: var(--ink); background: #fff; border: 1px solid #cbd8e6; border-radius: 6px;
      padding: 11px 12px; outline: none; transition: .2s ease;
    }
    .input:focus, .select:focus, .textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(30,85,167,.12); }
    .matrix { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
    .matrix-right { display: grid; grid-template-columns: 1fr; gap: 18px; }
    .content-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); transition: .2s ease; }
    .content-card:hover { transform: translateY(-3px); box-shadow: var(--shadow), 0 8px 18px rgba(30,85,167,.06); border-color: #b7cdea; }
    .large-card { min-height: 310px; padding: 30px; display: flex; flex-direction: column; justify-content: space-between; background: #edf4ff; }
    .small-card { padding: 22px; min-height: 145px; }
    .card-icon { width: 42px; height: 42px; display: grid; place-items: center; background: #dceafe; color: var(--brand); border-radius: 7px; }
    .card-icon svg { width: 21px; height: 21px; }
    .card-title { margin: 18px 0 5px; font-size: 21px; line-height: 1.3; }
    .small-card .card-title { margin-top: 13px; font-size: 17px; }
    .card-copy { color: var(--steel); font-size: 14px; margin: 0; }
    .card-meta { display: flex; justify-content: space-between; align-items: center; color: var(--steel); font-size: 12px; margin-top: 18px; }
    .arrow { color: var(--brand); font-size: 20px; line-height: 1; }
    .index-bar { margin-top: 18px; padding: 20px 24px; border-left: 4px solid var(--coral); background: #fff; border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .index-bar strong { display: block; margin-bottom: 4px; }
    .comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .compare-panel { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
    .compare-panel.emphasis { background: #edf4ff; border-color: #b7cdea; }
    .compare-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 15px; }
    .compare-head h3 { margin: 0; font-size: 19px; }
    .compare-list { list-style: none; margin: 18px 0 0; padding: 0; }
    .compare-list li { display: flex; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf1f5; font-size: 14px; color: var(--steel); }
    .compare-list b { color: var(--ink); white-space: nowrap; }
    .compare-panel.emphasis b { color: var(--brand); }
    .protection { background: #eaf7f3; border-top: 1px solid #c8e9df; border-bottom: 1px solid #c8e9df; }
    .protection-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
    .protection-item { display: flex; gap: 13px; align-items: flex-start; }
    .protection-item svg { flex: 0 0 auto; color: var(--mint); margin-top: 5px; }
    .protection-item strong { display: block; margin-bottom: 3px; }
    .protection-item span { color: #4a6e69; font-size: 13px; }
    .updates { display: grid; grid-template-columns: 1fr .82fr; gap: 34px; align-items: start; }
    .update-list { border-top: 1px solid var(--line); }
    .update-item { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
    .update-item h3 { margin: 0 0 4px; font-size: 16px; }
    .update-item p { margin: 0; color: var(--steel); font-size: 13px; }
    .tag { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px; background: #edf4ff; color: var(--brand); font-size: 11px; font-weight: 700; white-space: nowrap; }
    .update-date { color: var(--steel); font-size: 12px; white-space: nowrap; }
    .notice { padding: 25px; background: var(--ink); color: #fff; border-radius: var(--radius); }
    .notice h3 { margin: 0 0 10px; font-size: 20px; }
    .notice p { color: #c6d2e1; font-size: 14px; margin: 0 0 20px; }
    .notice .button-secondary { background: transparent; color: #fff; border-color: #71839b; }
    .faq-wrap { max-width: 860px; }
    details { border-top: 1px solid var(--line); }
    details:last-child { border-bottom: 1px solid var(--line); }
    summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 21px 0; font-weight: 800; }
    summary::-webkit-details-marker { display: none; }
    summary svg { color: var(--brand); flex: 0 0 auto; transition: .2s ease; }
    details[open] summary svg { transform: rotate(45deg); }
    .faq-answer { color: var(--steel); font-size: 14px; padding: 0 45px 22px 0; }
    .contact-band { background: #eaf1f9; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-full { grid-column: 1 / -1; }
    .checkline { display: flex; gap: 9px; align-items: flex-start; color: var(--steel); font-size: 12px; margin-top: 16px; }
    .checkline input { margin-top: 5px; accent-color: var(--brand); }
    .footer { padding: 58px 0 26px; background: #17243b; color: #fff; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr repeat(2, 1fr); gap: 35px; }
    .footer .logo-mark { color: #fff; }
    .footer p, .footer a { color: #aebed0; font-size: 13px; }
    .footer h3 { font-size: 14px; margin: 0 0 14px; }
    .footer-links { display: grid; gap: 8px; }
    .footer a:hover { color: #fff; }
    .copyright { display: flex; justify-content: space-between; gap: 15px; border-top: 1px solid #33445b; margin-top: 40px; padding-top: 18px; color: #8fa2b8; font-size: 12px; }
    @media (max-width: 900px) {
      .hero-grid, .updates, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
      .matrix { grid-template-columns: 1fr; }
      .matrix-right { grid-template-columns: repeat(2,1fr); }
      .contact-grid { gap: 28px; }
    }
    @media (max-width: 640px) {
      .container { width: min(100% - 28px, 1180px); }
      .section { padding: 64px 0; }
      .brand-row { min-height: 66px; gap: 10px; }
      .logo-mark { font-size: 15px; gap: 8px; }
      .logo-box { width: 30px; height: 30px; }
      .status, .top-actions .button { display: none; }
      .nav-items { display: flex; overflow-x: auto; padding: 9px 0; scrollbar-width: none; }
      .nav-item { min-width: 112px; min-height: 44px; font-size: 12px; }
      .hero { padding: 52px 0 62px; }
      .hero h1 { font-size: 38px; }
      .hero-intro { font-size: 15px; }
      .hero-actions .button { width: 100%; }
      .metric-grid, .comparison, .matrix-right, .protection-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
      .large-card { min-height: 260px; padding: 23px; }
      .small-card { min-height: auto; }
      .search-row { flex-direction: column; }
      .update-item { align-items: flex-start; flex-direction: column; gap: 6px; }
      .copyright { flex-direction: column; }
    }

/* roulang page: category1 */
:root {
      --ink: #17243b;
      --steel: #53627a;
      --brand: #1e55a7;
      --brand-dark: #153d7d;
      --mist: #f3f7fb;
      --line: #dce5ef;
      --mint: #2d8b7c;
      --coral: #c56d5d;
      --warning: #9a6b2c;
      --radius: 8px;
      --shadow: 0 14px 35px rgba(32, 67, 110, .08);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: #f7f9fc;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button { cursor: pointer; }
    button:disabled { cursor: not-allowed; opacity: .55; }
    ::selection { background: #dceafe; color: var(--brand-dark); }

    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .topline { background: #fff; border-bottom: 1px solid var(--line); }
    .brand-row {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo-mark {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-size: 19px;
      font-weight: 800;
      letter-spacing: 0;
    }

    .logo-mark > span:nth-child(2) {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .logo-box {
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--brand);
      border-radius: 7px;
      box-shadow: 0 6px 14px rgba(30, 85, 167, .2);
    }

    .logo-box svg { width: 19px; height: 19px; }
    .status {
      display: inline-flex;
      align-items: center;
      min-height: 25px;
      padding: 2px 8px;
      color: var(--mint);
      background: #eaf6f3;
      border: 1px solid #c8e8e1;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 700;
      white-space: nowrap;
    }

    .top-actions { display: flex; align-items: center; gap: 10px; }
    .icon-button {
      width: 38px;
      height: 38px;
      display: grid;
      flex: 0 0 auto;
      place-items: center;
      color: var(--steel);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 7px;
      transition: .2s ease;
    }

    .icon-button:hover,
    .icon-button:focus-visible {
      color: var(--brand);
      border-color: #9ebbe2;
      box-shadow: 0 0 0 3px rgba(30, 85, 167, .12);
      outline: none;
    }

    .button {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 7px;
      font-weight: 700;
      transition: .2s ease;
    }

    .button:focus-visible {
      outline: 3px solid rgba(30, 85, 167, .22);
      outline-offset: 2px;
    }

    .button-primary {
      color: #fff;
      background: var(--brand);
      box-shadow: 0 8px 18px rgba(30, 85, 167, .18);
    }

    .button-primary:hover {
      background: var(--brand-dark);
      transform: translateY(-1px);
      box-shadow: 0 12px 24px rgba(30, 85, 167, .22);
    }

    .button-secondary {
      color: var(--brand);
      background: #fff;
      border-color: #b7cdea;
    }

    .button-secondary:hover {
      color: var(--brand-dark);
      background: #edf4ff;
      border-color: var(--brand);
    }

    .nav-strip {
      position: relative;
      z-index: 5;
      background: #fff;
      border-bottom: 1px solid var(--line);
    }

    .nav-items {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      padding: 12px 0;
    }

    .nav-item {
      min-height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      color: var(--steel);
      border: 1px solid transparent;
      border-radius: 7px;
      font-size: 14px;
      font-weight: 700;
      transition: .2s ease;
    }

    .nav-item svg { width: 18px; height: 18px; }
    .nav-item:hover { color: var(--brand); background: #f3f7fc; }
    .nav-item.active {
      color: var(--brand);
      background: #edf4ff;
      border-color: #b7cdea;
      box-shadow: inset 0 -2px 0 var(--brand);
    }

    .page-intro {
      padding: 42px 0 34px;
      background: linear-gradient(180deg, #eef5fd 0%, #f7f9fc 100%);
      border-bottom: 1px solid #e3eaf3;
    }

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

    .breadcrumb a:hover { color: var(--brand); }
    .breadcrumb-separator { color: #9ba9ba; }

    .intro-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 344px;
      gap: 44px;
      align-items: end;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    .section-kicker::before {
      width: 22px;
      height: 2px;
      content: "";
      background: var(--brand);
    }

    h1 {
      max-width: 780px;
      margin: 10px 0 14px;
      font-size: 42px;
      line-height: 1.2;
      letter-spacing: 0;
      font-weight: 800;
    }

    .intro-copy {
      max-width: 740px;
      margin: 0;
      color: var(--steel);
      font-size: 16px;
    }

    .index-status {
      padding: 20px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .index-status strong {
      display: block;
      margin-bottom: 11px;
      font-size: 14px;
    }

    .status-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-top: 10px;
      color: var(--steel);
      border-top: 1px solid #edf1f5;
      font-size: 13px;
    }

    .status-line b { color: var(--brand); font-size: 17px; }
    .status-dot {
      width: 8px;
      height: 8px;
      display: inline-block;
      margin-right: 7px;
      background: var(--mint);
      border-radius: 50%;
    }

    .section { padding: 72px 0; }
    .section-head { max-width: 720px; margin-bottom: 28px; }
    .section-title {
      margin: 10px 0 11px;
      font-size: 31px;
      line-height: 1.28;
      letter-spacing: 0;
    }

    .section-copy { max-width: 680px; margin: 0; color: var(--steel); }

    .filter-bar {
      display: grid;
      grid-template-columns: 1.35fr repeat(3, minmax(130px, .8fr)) auto;
      gap: 10px;
      padding: 16px;
      background: #edf4fb;
      border: 1px solid #d6e2ef;
      border-radius: var(--radius);
    }

    .field-wrap { min-width: 0; }
    .field-label {
      display: block;
      margin: 0 0 6px;
      color: var(--steel);
      font-size: 12px;
      font-weight: 700;
    }

    .input, .select, .textarea {
      width: 100%;
      color: var(--ink);
      background: #fff;
      border: 1px solid #cbd8e6;
      border-radius: 6px;
      outline: none;
      transition: .2s ease;
    }

    .input, .select { min-height: 43px; padding: 9px 11px; }
    .textarea { min-height: 112px; padding: 11px 12px; resize: vertical; }

    .input:focus, .select:focus, .textarea:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 3px rgba(30, 85, 167, .12);
    }

    .filter-actions {
      display: flex;
      align-items: end;
      gap: 8px;
    }

    .filter-actions .button { min-height: 43px; padding: 0 14px; }
    .reset-button {
      min-height: 43px;
      padding: 0 11px;
      color: var(--coral);
      background: transparent;
      border: 1px solid transparent;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 700;
      transition: .2s ease;
    }

    .reset-button:hover, .reset-button:focus-visible {
      background: #fff4f1;
      border-color: #edc8c0;
      outline: none;
    }

    .summary-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 11px 20px;
      padding: 20px 0 0;
      color: var(--steel);
      font-size: 13px;
    }

    .summary-row strong { color: var(--ink); }
    .summary-divider { width: 1px; height: 17px; background: var(--line); }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 3px 9px;
      color: var(--brand);
      background: #edf4ff;
      border: 1px solid #d6e5fa;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 700;
      line-height: 1.4;
      white-space: nowrap;
    }

    .tag.mint { color: #207162; background: #eaf6f3; border-color: #c9e8e0; }
    .tag.coral { color: #a95749; background: #fff1ee; border-color: #f2d3cd; }
    .tag.gray { color: #58677c; background: #f1f4f7; border-color: #e0e6ed; }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.55fr) minmax(280px, .72fr);
      gap: 22px;
      align-items: start;
    }

    .result-list { display: grid; gap: 14px; }
    .result-card {
      display: grid;
      grid-template-columns: 6px minmax(0, 1fr) 42px;
      gap: 19px;
      align-items: stretch;
      overflow: hidden;
      padding: 0;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      transition: .2s ease;
    }

    .result-card:hover {
      border-color: #b7cdea;
      box-shadow: 0 17px 38px rgba(32, 67, 110, .11);
      transform: translateY(-2px);
    }

    .result-rail { background: var(--brand); }
    .result-rail.mint { background: var(--mint); }
    .result-rail.coral { background: var(--coral); }

    .result-body { min-width: 0; padding: 21px 0 21px; }
    .result-top {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 7px;
      margin-bottom: 9px;
    }

    .result-title {
      margin: 0 0 8px;
      font-size: 19px;
      line-height: 1.4;
      font-weight: 800;
    }

    .result-copy {
      margin: 0;
      color: var(--steel);
      font-size: 14px;
      line-height: 1.75;
    }

    .result-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 14px;
      color: #718096;
      font-size: 12px;
    }

    .round-arrow {
      width: 34px;
      height: 34px;
      align-self: center;
      display: grid;
      place-items: center;
      margin-right: 16px;
      color: var(--brand);
      background: #edf4ff;
      border: 1px solid #d6e5fa;
      border-radius: 7px;
      transition: .2s ease;
    }

    .result-card:hover .round-arrow { color: #fff; background: var(--brand); border-color: var(--brand); }

    .index-panel {
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .panel-heading {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 18px 19px;
      border-bottom: 1px solid var(--line);
    }

    .panel-heading h2 { margin: 0; font-size: 17px; }
    .panel-heading span { color: var(--steel); font-size: 12px; }

    .index-link {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      padding: 16px 19px;
      border-bottom: 1px solid #edf1f5;
      transition: .2s ease;
    }

    .index-link:last-child { border-bottom: 0; }
    .index-link:hover { background: #f7faff; }
    .index-link strong { display: block; font-size: 14px; }
    .index-link small { display: block; margin-top: 2px; color: var(--steel); font-size: 12px; }
    .index-count { color: var(--brand); font-size: 13px; font-weight: 800; white-space: nowrap; }

    .notice-box {
      margin-top: 22px;
      padding: 19px;
      color: #485a70;
      background: #f1f7f7;
      border-left: 4px solid var(--mint);
    }

    .notice-box h3 { margin: 0 0 7px; color: var(--ink); font-size: 15px; }
    .notice-box p { margin: 0; font-size: 13px; }

    .section-soft { background: #f1f6fb; border-top: 1px solid #e1e9f2; border-bottom: 1px solid #e1e9f2; }
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .compare-panel {
      padding: 25px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .compare-panel h3 { margin: 0; font-size: 20px; }
    .compare-panel > p { margin: 7px 0 18px; color: var(--steel); font-size: 14px; }

    .bar-row { margin-bottom: 16px; }
    .bar-label {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 6px;
      color: var(--steel);
      font-size: 13px;
    }

    .bar-label b { color: var(--ink); }
    .bar-track { height: 8px; overflow: hidden; background: #e8eef5; border-radius: 99px; }
    .bar-fill { height: 100%; background: var(--brand); border-radius: 99px; }
    .bar-fill.mint { background: var(--mint); }
    .bar-fill.coral { background: var(--coral); }

    .check-list { display: grid; gap: 11px; padding: 0; margin: 0; list-style: none; }
    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding-bottom: 11px;
      color: var(--steel);
      border-bottom: 1px solid #edf1f5;
      font-size: 14px;
    }

    .check-list li:last-child { padding-bottom: 0; border-bottom: 0; }
    .check-mark {
      width: 20px;
      height: 20px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      margin-top: 2px;
      color: var(--mint);
      background: #eaf6f3;
      border-radius: 50%;
      font-size: 12px;
      font-weight: 800;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: minmax(250px, .68fr) minmax(0, 1.32fr);
      gap: 58px;
      align-items: start;
    }

    .faq-intro { position: sticky; top: 20px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 19px 2px;
      color: var(--ink);
      background: transparent;
      border: 0;
      text-align: left;
      font-size: 16px;
      font-weight: 800;
    }

    .faq-question:hover { color: var(--brand); }
    .faq-question:focus-visible { outline: 3px solid rgba(30, 85, 167, .16); outline-offset: -2px; }
    .faq-symbol {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      color: var(--brand);
      background: #edf4ff;
      border-radius: 6px;
      font-size: 20px;
      font-weight: 400;
    }

    .faq-answer {
      display: none;
      max-width: 760px;
      padding: 0 40px 20px 2px;
      color: var(--steel);
      font-size: 14px;
    }

    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-symbol::before { content: "−"; }
    .faq-item:not(.open) .faq-symbol::before { content: "+"; }
    .faq-symbol { font-size: 0; }

    .feedback-section { padding: 72px 0; background: #eaf2fa; }
    .feedback-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 66px;
      align-items: start;
    }

    .feedback-note {
      display: flex;
      gap: 11px;
      margin-top: 23px;
      color: #496477;
      font-size: 13px;
    }

    .feedback-note svg { flex: 0 0 auto; margin-top: 4px; color: var(--mint); }
    .feedback-form { display: grid; gap: 15px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

    .checkbox-line {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: var(--steel);
      font-size: 12px;
    }

    .checkbox-line input {
      width: 16px;
      height: 16px;
      flex: 0 0 auto;
      margin-top: 4px;
      accent-color: var(--brand);
    }

    .form-message {
      display: none;
      padding: 11px 13px;
      color: #246858;
      background: #eaf6f3;
      border: 1px solid #c7e8df;
      border-radius: 6px;
      font-size: 13px;
    }

    .form-message.show { display: block; }
    .footer { padding: 58px 0 22px; color: #58677c; background: #fff; border-top: 1px solid var(--line); }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
    }

    .footer .logo-mark { color: var(--ink); }
    .footer p { color: var(--steel); font-size: 14px; }
    .footer h3 { margin: 3px 0 16px; color: var(--ink); font-size: 14px; }
    .footer-links { display: grid; gap: 10px; }
    .footer-links a { color: var(--steel); font-size: 14px; transition: .2s ease; }
    .footer-links a:hover { color: var(--brand); transform: translateX(2px); }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-top: 20px;
      color: #7a8798;
      border-top: 1px solid var(--line);
      font-size: 12px;
    }

    @media (max-width: 1024px) {
      .intro-grid { grid-template-columns: 1fr 290px; gap: 28px; }
      .filter-bar { grid-template-columns: 1fr 1fr 1fr; }
      .filter-bar .field-wrap:first-child { grid-column: span 3; }
      .filter-actions { justify-content: flex-end; }
      .feedback-grid { gap: 36px; }
    }

    @media (max-width: 768px) {
      .container { width: min(100% - 32px, 1180px); }
      .brand-row { min-height: 68px; gap: 12px; }
      .logo-mark { font-size: 16px; gap: 9px; }
      .status { display: none; }
      .top-actions { gap: 7px; }
      .top-actions .button { display: none; }

      .nav-items {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding: 10px 0;
        scrollbar-width: none;
      }

      .nav-items::-webkit-scrollbar { display: none; }
      .nav-item { min-width: 148px; min-height: 46px; flex: 0 0 auto; }

      .page-intro { padding: 31px 0 28px; }
      .intro-grid { grid-template-columns: 1fr; gap: 22px; }
      h1 { font-size: 34px; }
      .index-status { max-width: none; }
      .section { padding: 58px 0; }

      .filter-bar { grid-template-columns: 1fr 1fr; }
      .filter-bar .field-wrap:first-child { grid-column: span 2; }
      .filter-actions { grid-column: span 2; justify-content: flex-start; }

      .content-layout, .compare-grid, .faq-layout, .feedback-grid { grid-template-columns: 1fr; }
      .faq-intro { position: static; }
      .result-card { grid-template-columns: 5px minmax(0, 1fr) 38px; gap: 14px; }
      .round-arrow { margin-right: 11px; }
      .footer-grid { grid-template-columns: 1.3fr 1fr; gap: 32px; }
    }

    @media (max-width: 520px) {
      .container { width: min(100% - 28px, 1180px); }
      .logo-box { width: 31px; height: 31px; }
      .top-actions .icon-button:last-child { display: none; }
      .nav-item { min-width: 138px; font-size: 13px; }
      h1 { font-size: 29px; line-height: 1.28; }
      .intro-copy { font-size: 15px; }
      .section-title { font-size: 26px; }
      .filter-bar { grid-template-columns: 1fr; padding: 13px; }
      .filter-bar .field-wrap:first-child { grid-column: auto; }
      .filter-actions { grid-column: auto; flex-wrap: wrap; }
      .filter-actions .button { flex: 1; }

      .result-card { grid-template-columns: 5px minmax(0, 1fr); }
      .result-body { padding: 18px 14px 18px 0; }
      .result-title { font-size: 17px; }
      .round-arrow { display: none; }

      .compare-panel { padding: 20px; }
      .form-grid { grid-template-columns: 1fr; }
      .feedback-section { padding: 56px 0; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .copyright { flex-direction: column; gap: 4px; }
    }