/* roulang page: index */
:root {
      --ink: #151313;
      --ink-2: #22201e;
      --charcoal: #2f2b28;
      --paper: #fbf7f1;
      --surface: #fffdf8;
      --muted: #746d65;
      --line: #ded6cb;
      --line-dark: rgba(255,255,255,.14);
      --accent: #b96534;
      --accent-2: #8f3f2b;
      --amber: #d89a4a;
      --soft: #f1e7da;
      --white: #ffffff;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 22px 60px rgba(28, 22, 16, .12);
      --shadow-soft: 0 12px 28px rgba(28, 22, 16, .08);
      --nav-w: 104px;
      --container: 1180px;
      --ease: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 80% 6%, rgba(185,101,52,.13), transparent 34%),
        linear-gradient(180deg, #fbf7f1 0%, #f7efe5 48%, #fbf7f1 100%);
      line-height: 1.78;
      font-size: 16px;
      letter-spacing: 0;
      overflow-x: hidden;
    }

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    ::selection {
      background: rgba(185,101,52,.22);
    }

    .site-shell {
      min-height: 100vh;
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-w);
      background: linear-gradient(180deg, #171514 0%, #28231f 100%);
      color: var(--paper);
      z-index: 1040;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      border-right: 1px solid rgba(255,255,255,.08);
    }

    .brand-mark {
      min-height: 132px;
      padding: 20px 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-bottom: 1px solid var(--line-dark);
      writing-mode: vertical-rl;
      text-orientation: mixed;
      font-weight: 800;
      font-size: 18px;
      line-height: 1.25;
    }

    .brand-mark::before {
      content: "";
      width: 4px;
      height: 34px;
      background: var(--accent);
      border-radius: 99px;
      margin-bottom: 10px;
    }

    .side-links {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 18px 10px;
    }

    .side-link {
      min-height: 72px;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      color: rgba(251,247,241,.72);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 10px 6px;
      font-size: 13px;
      line-height: 1.35;
      position: relative;
    }

    .side-link:hover,
    .side-link:focus {
      color: var(--white);
      border-color: rgba(216,154,74,.35);
      background: rgba(255,255,255,.05);
      outline: none;
    }

    .side-link.active {
      color: var(--white);
      background: rgba(185,101,52,.18);
      border-color: rgba(216,154,74,.45);
    }

    .side-link.active::before {
      content: "";
      position: absolute;
      left: -10px;
      top: 16px;
      bottom: 16px;
      width: 4px;
      background: var(--accent);
      border-radius: 0 99px 99px 0;
    }

    .side-assist {
      margin-top: auto;
      padding: 12px 10px 18px;
      border-top: 1px solid var(--line-dark);
    }

    .assist-pill {
      display: block;
      text-align: center;
      font-size: 12px;
      color: rgba(251,247,241,.68);
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 99px;
      padding: 8px 6px;
    }

    .assist-pill:hover {
      color: var(--white);
      border-color: var(--accent);
    }

    .mobile-nav {
      display: none;
      position: sticky;
      top: 0;
      z-index: 1045;
      background: rgba(23,21,20,.96);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .mobile-brand {
      color: var(--paper);
      font-weight: 800;
      font-size: 17px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .mobile-brand::before {
      content: "";
      width: 4px;
      height: 24px;
      border-radius: 99px;
      background: var(--accent);
    }

    .navbar-toggler {
      border: 1px solid rgba(255,255,255,.22);
      border-radius: var(--radius-sm);
      color: var(--paper);
      padding: 8px 10px;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(216,154,74,.28);
    }

    .offcanvas {
      background: #1d1a18;
      color: var(--paper);
    }

    .offcanvas .btn-close {
      filter: invert(1);
      opacity: .85;
    }

    .mobile-menu-link {
      display: block;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255,255,255,.1);
      color: rgba(251,247,241,.78);
      font-weight: 700;
    }

    .mobile-menu-link.active,
    .mobile-menu-link:hover {
      color: var(--amber);
    }

    .main-wrap {
      margin-left: var(--nav-w);
    }

    .page-container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .hero {
      min-height: 86vh;
      padding: 34px 0 0;
      display: flex;
      align-items: stretch;
    }

    .hero-stage {
      width: 100%;
      border-radius: 0 0 var(--radius) var(--radius);
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(21,19,19,.92), rgba(48,42,36,.82)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 74px);
      color: var(--paper);
      box-shadow: var(--shadow);
      position: relative;
      min-height: 690px;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 210px;
      background: linear-gradient(180deg, transparent, rgba(0,0,0,.36));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      padding: 58px;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 40px;
      min-height: 690px;
      align-items: center;
    }

    .hero-kicker,
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      font-weight: 800;
      color: var(--accent);
      background: rgba(185,101,52,.12);
      border: 1px solid rgba(185,101,52,.24);
      border-radius: 99px;
      padding: 7px 12px;
      margin-bottom: 18px;
    }

    .hero-kicker::before,
    .section-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      background: currentColor;
      border-radius: 50%;
    }

    .hero h1 {
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.1;
      font-weight: 900;
      margin: 0 0 22px;
      letter-spacing: 0;
      max-width: 780px;
    }

    .hero-lead {
      font-size: 18px;
      color: rgba(251,247,241,.8);
      max-width: 680px;
      margin: 0 0 28px;
    }

    .hero-actions,
    .cta-actions,
    .form-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .btn-brand {
      --bs-btn-padding-x: 22px;
      --bs-btn-padding-y: 12px;
      --bs-btn-border-radius: 6px;
      --bs-btn-font-weight: 800;
      background: var(--accent);
      border: 1px solid var(--accent);
      color: #fff;
      box-shadow: 0 12px 26px rgba(185,101,52,.22);
    }

    .btn-brand:hover,
    .btn-brand:focus {
      background: #a8542c;
      border-color: #a8542c;
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 16px 32px rgba(185,101,52,.28);
    }

    .btn-ghost {
      --bs-btn-padding-x: 20px;
      --bs-btn-padding-y: 12px;
      --bs-btn-border-radius: 6px;
      --bs-btn-font-weight: 800;
      border: 1px solid rgba(255,255,255,.22);
      color: var(--paper);
      background: rgba(255,255,255,.04);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      border-color: rgba(216,154,74,.62);
      color: var(--white);
      background: rgba(255,255,255,.08);
      transform: translateY(-1px);
    }

    .btn-lightline {
      --bs-btn-border-radius: 6px;
      --bs-btn-font-weight: 800;
      border: 1px solid var(--line);
      color: var(--ink);
      background: transparent;
      padding: 10px 16px;
    }

    .btn-lightline:hover,
    .btn-lightline:focus {
      border-color: var(--accent);
      color: var(--accent-2);
      background: rgba(185,101,52,.07);
      transform: translateY(-1px);
    }

    .hero-visual {
      position: relative;
      min-height: 560px;
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 16px;
      align-items: end;
    }

    .vertical-tile {
      min-height: 470px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.18);
      background:
        linear-gradient(180deg, rgba(216,154,74,.18), rgba(185,101,52,.08)),
        linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 0 28px 60px rgba(0,0,0,.22);
    }

    .vertical-tile:nth-child(2) {
      min-height: 540px;
      margin-bottom: 30px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.03)),
        linear-gradient(145deg, rgba(185,101,52,.24), rgba(21,19,19,.2));
    }

    .tile-num {
      font-size: 54px;
      line-height: 1;
      font-weight: 900;
      color: rgba(255,255,255,.22);
    }

    .tile-title {
      font-size: 22px;
      font-weight: 900;
      margin: 0 0 8px;
    }

    .tile-text {
      color: rgba(251,247,241,.72);
      margin: 0;
      font-size: 14px;
    }

    .hero-metrics {
      position: absolute;
      left: 58px;
      right: 58px;
      bottom: 30px;
      z-index: 3;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .metric-box {
      border-top: 1px solid rgba(255,255,255,.16);
      padding-top: 15px;
    }

    .metric-value {
      display: block;
      color: var(--amber);
      font-weight: 900;
      font-size: 28px;
      line-height: 1.1;
    }

    .metric-label {
      display: block;
      color: rgba(251,247,241,.68);
      font-size: 13px;
      margin-top: 4px;
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 64px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(260px, .38fr);
      gap: 32px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-title {
      font-size: clamp(26px, 3.5vw, 38px);
      line-height: 1.2;
      font-weight: 900;
      margin: 0;
      letter-spacing: 0;
    }

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

    .kpi-band {
      background: var(--surface);
      border-block: 1px solid var(--line);
    }

    .kpi-grid {
      display: grid;
      grid-template-columns: 1.15fr repeat(3, 1fr);
      gap: 14px;
      align-items: stretch;
    }

    .kpi-intro,
    .kpi-card,
    .feature-card,
    .item-card,
    .lead-panel,
    .faq-wrap,
    .news-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,253,248,.88);
    }

    .kpi-intro {
      padding: 30px;
      background: var(--ink);
      color: var(--paper);
    }

    .kpi-intro h2 {
      font-size: 28px;
      font-weight: 900;
      margin: 0 0 12px;
    }

    .kpi-intro p {
      margin: 0;
      color: rgba(251,247,241,.76);
    }

    .kpi-card {
      padding: 28px 22px;
      transition: var(--ease);
    }

    .kpi-card:hover,
    .feature-card:hover,
    .item-card:hover {
      transform: translateY(-3px);
      border-color: rgba(185,101,52,.42);
      box-shadow: var(--shadow-soft);
    }

    .kpi-card strong {
      display: block;
      font-size: 34px;
      line-height: 1;
      color: var(--accent-2);
      font-weight: 900;
      margin-bottom: 10px;
    }

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

    .directory {
      background:
        linear-gradient(90deg, rgba(21,19,19,.04) 1px, transparent 1px),
        var(--paper);
      background-size: 74px 100%;
    }

    .directory-list {
      display: grid;
      gap: 14px;
    }

    .directory-row {
      display: grid;
      grid-template-columns: 84px 1fr auto;
      gap: 22px;
      align-items: center;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,253,248,.78);
      transition: var(--ease);
    }

    .directory-row:hover {
      border-color: var(--accent);
      background: var(--surface);
      transform: translateX(3px);
    }

    .row-num {
      font-size: 34px;
      line-height: 1;
      font-weight: 900;
      color: rgba(143,63,43,.25);
    }

    .row-title {
      font-size: 21px;
      font-weight: 900;
      margin: 0 0 8px;
    }

    .row-text {
      margin: 0;
      color: var(--muted);
    }

    .tagset {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      border: 1px solid var(--line);
      border-radius: 99px;
      padding: 5px 10px;
      color: var(--muted);
      background: rgba(255,255,255,.58);
      font-size: 12px;
      font-weight: 700;
    }

    .tag.hot {
      color: var(--accent-2);
      border-color: rgba(185,101,52,.34);
      background: rgba(185,101,52,.08);
    }

    .featured-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
      align-items: stretch;
    }

    .feature-card {
      padding: 28px;
      min-height: 100%;
      transition: var(--ease);
      overflow: hidden;
      position: relative;
    }

    .feature-card.large {
      background:
        linear-gradient(135deg, rgba(21,19,19,.96), rgba(62,53,45,.86)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 62px);
      color: var(--paper);
      min-height: 430px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow);
    }

    .feature-card.large::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -120px;
      bottom: -100px;
      border: 1px solid rgba(216,154,74,.28);
      transform: rotate(18deg);
    }

    .feature-card h3 {
      font-size: 24px;
      font-weight: 900;
      margin: 0 0 12px;
    }

    .feature-card p {
      color: var(--muted);
      margin: 0 0 18px;
    }

    .feature-card.large p {
      color: rgba(251,247,241,.75);
      max-width: 620px;
    }

    .feature-stack {
      display: grid;
      gap: 18px;
    }

    .mini-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .large .mini-meta {
      color: rgba(251,247,241,.64);
    }

    .news-section {
      background: var(--surface);
      border-block: 1px solid var(--line);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr);
      gap: 18px;
    }

    .news-panel {
      padding: 10px;
    }

    .news-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .news-list li + li {
      border-top: 1px solid var(--line);
    }

    .news-link {
      display: grid;
      grid-template-columns: 94px 1fr;
      gap: 18px;
      padding: 18px;
      border-radius: var(--radius-sm);
    }

    .news-link:hover {
      background: rgba(185,101,52,.07);
    }

    .news-date {
      color: var(--accent-2);
      font-weight: 900;
      font-size: 14px;
    }

    .news-title {
      display: block;
      font-weight: 900;
      font-size: 18px;
      margin-bottom: 5px;
    }

    .news-summary {
      color: var(--muted);
      font-size: 14px;
    }

    .recommend-box {
      background: var(--ink);
      color: var(--paper);
      border-radius: var(--radius);
      padding: 26px;
      min-height: 100%;
    }

    .recommend-box h3 {
      font-size: 24px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .recommend-box p {
      color: rgba(251,247,241,.72);
      margin-bottom: 22px;
    }

    .line-chip {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      border-top: 1px solid rgba(255,255,255,.13);
      padding: 14px 0;
      color: rgba(251,247,241,.82);
      font-weight: 800;
    }

    .line-chip span {
      color: var(--amber);
    }

    .selling-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .selling-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      padding: 26px;
      min-height: 246px;
      transition: var(--ease);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .selling-card:hover {
      transform: translateY(-3px);
      border-color: rgba(185,101,52,.45);
      box-shadow: var(--shadow-soft);
    }

    .icon-block {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--ink);
      color: var(--amber);
      display: grid;
      place-items: center;
      font-weight: 900;
      margin-bottom: 22px;
    }

    .selling-card h3 {
      font-size: 21px;
      font-weight: 900;
      margin: 0 0 10px;
    }

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

    .seed-flow {
      background:
        linear-gradient(180deg, rgba(21,19,19,.94), rgba(47,43,40,.96));
      color: var(--paper);
    }

    .seed-flow .section-desc {
      color: rgba(251,247,241,.72);
    }

    .vertical-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(210px, 1fr));
      gap: 16px;
      overflow-x: auto;
      padding-bottom: 8px;
      scrollbar-width: thin;
    }

    .seed-card {
      min-height: 360px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.15);
      background:
        linear-gradient(180deg, rgba(216,154,74,.16), rgba(255,255,255,.04)),
        rgba(255,255,255,.04);
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--ease);
    }

    .seed-card:hover {
      transform: translateY(-3px);
      border-color: rgba(216,154,74,.46);
      background-color: rgba(255,255,255,.07);
    }

    .seed-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
    }

    .seed-index {
      font-size: 42px;
      line-height: 1;
      font-weight: 900;
      color: rgba(255,255,255,.19);
    }

    .seed-card h3 {
      font-size: 20px;
      font-weight: 900;
      margin: 0 0 10px;
    }

    .seed-card p {
      color: rgba(251,247,241,.72);
      margin: 0 0 18px;
      font-size: 14px;
    }

    .related-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--surface);
    }

    .related-item {
      padding: 24px;
      min-height: 190px;
      border-right: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--ease);
    }

    .related-item:last-child {
      border-right: none;
    }

    .related-item:hover {
      background: rgba(185,101,52,.07);
    }

    .related-item h3 {
      font-size: 18px;
      font-weight: 900;
      margin: 0 0 10px;
    }

    .related-item p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .lead-section {
      background: var(--surface);
      border-block: 1px solid var(--line);
    }

    .lead-panel {
      padding: 34px;
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 34px;
      align-items: center;
      box-shadow: var(--shadow-soft);
    }

    .lead-panel h2 {
      font-size: clamp(26px, 3vw, 36px);
      font-weight: 900;
      line-height: 1.2;
      margin: 0 0 14px;
    }

    .lead-panel p {
      color: var(--muted);
      margin: 0;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr auto;
      gap: 12px;
      align-items: end;
    }

    .form-control {
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      min-height: 50px;
      background: #fff;
      color: var(--ink);
    }

    .form-control:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(185,101,52,.14);
    }

    .privacy-note {
      color: var(--muted);
      font-size: 13px;
      margin-top: 12px;
    }

    .faq-wrap {
      padding: 10px;
    }

    .accordion-item {
      border: 0;
      border-bottom: 1px solid var(--line);
      background: transparent;
    }

    .accordion-item:last-child {
      border-bottom: 0;
    }

    .accordion-button {
      background: transparent;
      color: var(--ink);
      font-weight: 900;
      font-size: 17px;
      padding: 20px 18px;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      background: rgba(185,101,52,.08);
      color: var(--accent-2);
      box-shadow: none;
    }

    .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(185,101,52,.16);
      border-radius: var(--radius-sm);
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 18px 22px;
    }

    .final-cta {
      padding: 78px 0;
    }

    .cta-panel {
      border-radius: var(--radius);
      background:
        linear-gradient(120deg, rgba(21,19,19,.96), rgba(57,48,40,.94)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 70px);
      color: var(--paper);
      padding: 46px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 32px;
      align-items: center;
      box-shadow: var(--shadow);
      border: 1px solid rgba(255,255,255,.1);
    }

    .cta-panel h2 {
      font-size: clamp(26px, 3.4vw, 40px);
      line-height: 1.2;
      font-weight: 900;
      margin: 0 0 12px;
    }

    .cta-panel p {
      margin: 0;
      color: rgba(251,247,241,.74);
      max-width: 720px;
    }

    .site-footer {
      margin-left: var(--nav-w);
      background: #171514;
      color: rgba(251,247,241,.72);
      padding: 44px 0 30px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      font-size: 22px;
      font-weight: 900;
      color: var(--paper);
      margin-bottom: 10px;
    }

    .footer-text {
      max-width: 620px;
      margin: 0;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .footer-links a {
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 99px;
      padding: 8px 12px;
      color: rgba(251,247,241,.72);
      font-size: 13px;
      font-weight: 700;
    }

    .footer-links a:hover {
      color: var(--white);
      border-color: var(--accent);
    }

    .copyright {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.1);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(251,247,241,.55);
    }

    @media (max-width: 1180px) {
      .hero-inner {
        grid-template-columns: 1fr;
        padding: 46px;
        padding-bottom: 150px;
      }

      .hero-visual {
        min-height: 390px;
      }

      .vertical-tile,
      .vertical-tile:nth-child(2) {
        min-height: 330px;
        margin-bottom: 0;
      }

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

      .kpi-intro {
        grid-column: 1 / -1;
      }

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

      .related-item:nth-child(2) {
        border-right: none;
      }

      .related-item:nth-child(-n+2) {
        border-bottom: 1px solid var(--line);
      }
    }

    @media (max-width: 991px) {
      .side-nav {
        display: none;
      }

      .mobile-nav {
        display: block;
      }

      .main-wrap,
      .site-footer {
        margin-left: 0;
      }

      .hero {
        min-height: auto;
        padding-top: 0;
      }

      .hero-stage {
        border-radius: 0;
        min-height: auto;
      }

      .hero-inner {
        padding: 38px 24px 150px;
      }

      .hero-metrics {
        left: 24px;
        right: 24px;
      }

      .section {
        padding: 68px 0;
      }

      .section-head,
      .featured-grid,
      .news-layout,
      .lead-panel,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 34px;
      }

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

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

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

      .hero-inner {
        padding: 32px 18px 182px;
      }

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

      .hero-visual {
        grid-template-columns: 1fr;
        min-height: auto;
      }

      .vertical-tile,
      .vertical-tile:nth-child(2) {
        min-height: 240px;
      }

      .hero-metrics {
        grid-template-columns: 1fr;
        gap: 8px;
        bottom: 18px;
      }

      .metric-box {
        display: flex;
        justify-content: space-between;
        gap: 14px;
        align-items: baseline;
        padding-top: 8px;
      }

      .metric-value {
        font-size: 22px;
      }

      .directory-row {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .directory-row .btn {
        width: 100%;
      }

      .kpi-grid,
      .selling-grid,
      .related-strip,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .related-item,
      .related-item:nth-child(2) {
        border-right: none;
        border-bottom: 1px solid var(--line);
      }

      .related-item:last-child {
        border-bottom: none;
      }

      .news-link {
        grid-template-columns: 1fr;
      }

      .lead-panel,
      .cta-panel {
        padding: 24px;
      }

      .form-grid .btn {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .section {
        padding: 54px 0;
      }

      .hero h1 {
        font-size: 32px;
      }

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

      .feature-card,
      .selling-card,
      .kpi-card {
        padding: 22px;
      }

      .vertical-grid {
        grid-template-columns: repeat(4, 236px);
      }

      .copyright {
        display: block;
      }

      .copyright span {
        display: block;
        margin-top: 8px;
      }
    }

/* roulang page: category2 */
:root {
      --ink: #181512;
      --ink-2: #25201c;
      --panel: #fffaf3;
      --paper: #f6f0e8;
      --paper-2: #eee6dc;
      --text: #221f1b;
      --muted: #756d64;
      --line: #ddd2c5;
      --accent: #b76132;
      --accent-2: #8f3f2c;
      --accent-soft: #f1d4c2;
      --white: #ffffff;
      --shadow: 0 18px 45px rgba(24, 21, 18, 0.11);
      --shadow-soft: 0 10px 28px rgba(24, 21, 18, 0.08);
      --radius: 8px;
      --radius-sm: 6px;
      --nav-w: 104px;
      --container: 1220px;
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      background:
        linear-gradient(90deg, rgba(183, 97, 50, 0.08) 0 1px, transparent 1px 100%),
        linear-gradient(180deg, #fbf7f1 0%, #f3ede5 46%, #fffaf3 100%);
      background-size: 56px 56px, auto;
      line-height: 1.75;
      font-size: 16px;
      letter-spacing: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    .page-shell {
      min-height: 100vh;
      padding-left: var(--nav-w);
    }

    .page-container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .side-nav {
      position: fixed;
      z-index: 1040;
      top: 0;
      left: 0;
      width: var(--nav-w);
      height: 100vh;
      padding: 18px 12px;
      background: var(--ink);
      color: var(--panel);
      display: flex;
      flex-direction: column;
      align-items: stretch;
      border-right: 1px solid rgba(255, 250, 243, 0.08);
    }

    .side-nav-logo {
      min-height: 132px;
      padding: 12px 8px;
      border: 1px solid rgba(255, 250, 243, 0.14);
      border-radius: var(--radius);
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 8px;
      background: rgba(255, 250, 243, 0.04);
    }

    .logo-main {
      writing-mode: vertical-rl;
      text-orientation: mixed;
      font-weight: 800;
      font-size: 15px;
      line-height: 1.25;
      letter-spacing: 0;
      margin: 0 auto;
    }

    .logo-sub {
      font-size: 11px;
      color: rgba(255, 250, 243, 0.55);
      text-align: center;
    }

    .side-nav-links {
      list-style: none;
      padding: 0;
      margin: 22px 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .side-nav-link {
      position: relative;
      min-height: 66px;
      padding: 10px 7px;
      border-radius: var(--radius-sm);
      color: rgba(255, 250, 243, 0.72);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      font-size: 12px;
      line-height: 1.25;
      text-align: center;
      border: 1px solid transparent;
    }

    .side-nav-link .nav-icon {
      color: var(--accent);
      font-size: 18px;
      line-height: 1;
    }

    .side-nav-link:hover,
    .side-nav-link:focus {
      color: var(--white);
      background: rgba(255, 250, 243, 0.08);
      border-color: rgba(255, 250, 243, 0.12);
      outline: none;
    }

    .side-nav-link.active {
      color: var(--white);
      background: rgba(183, 97, 50, 0.18);
      border-color: rgba(183, 97, 50, 0.52);
    }

    .side-nav-link.active::before {
      content: "";
      position: absolute;
      left: -12px;
      top: 12px;
      bottom: 12px;
      width: 3px;
      background: var(--accent);
      border-radius: 0 4px 4px 0;
    }

    .side-nav-footer {
      margin-top: auto;
      font-size: 11px;
      color: rgba(255, 250, 243, 0.45);
      text-align: center;
      word-break: break-all;
    }

    .mobile-nav {
      display: none;
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(24, 21, 18, 0.96);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 250, 243, 0.1);
    }

    .mobile-nav .navbar-brand {
      color: var(--panel);
      font-weight: 800;
      font-size: 17px;
      max-width: calc(100vw - 92px);
      white-space: normal;
      line-height: 1.25;
    }

    .menu-button {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 250, 243, 0.2);
      color: var(--panel);
      background: rgba(255, 250, 243, 0.06);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .menu-button:focus {
      outline: 3px solid rgba(183, 97, 50, 0.45);
      outline-offset: 2px;
    }

    .offcanvas {
      background: var(--ink);
      color: var(--panel);
    }

    .offcanvas .btn-close {
      filter: invert(1);
      opacity: 0.82;
    }

    .mobile-menu-links {
      display: grid;
      gap: 10px;
      margin-top: 20px;
    }

    .mobile-menu-links a {
      padding: 14px 16px;
      border: 1px solid rgba(255, 250, 243, 0.12);
      border-radius: var(--radius);
      color: rgba(255, 250, 243, 0.82);
      background: rgba(255, 250, 243, 0.04);
    }

    .mobile-menu-links a.active,
    .mobile-menu-links a:hover {
      color: var(--white);
      border-color: rgba(183, 97, 50, 0.55);
      background: rgba(183, 97, 50, 0.18);
    }

    .breadcrumb-wrap {
      padding-top: 28px;
    }

    .breadcrumb {
      margin: 0;
      font-size: 14px;
      --bs-breadcrumb-divider-color: var(--muted);
    }

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

    .breadcrumb a:hover {
      color: var(--accent-2);
    }

    .breadcrumb .active {
      color: var(--text);
      font-weight: 700;
    }

    .hero-strip {
      padding: 28px 0 38px;
    }

    .hero-board {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      background:
        radial-gradient(circle at 85% 18%, rgba(183, 97, 50, 0.22), transparent 28%),
        linear-gradient(135deg, #201b17 0%, #151311 58%, #30231c 100%);
      color: var(--panel);
      box-shadow: var(--shadow);
      border: 1px solid rgba(255, 250, 243, 0.1);
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255, 250, 243, 0.08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 250, 243, 0.06) 1px, transparent 1px);
      background-size: 72px 72px;
      opacity: 0.34;
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.95fr);
      gap: 30px;
      align-items: stretch;
      padding: 42px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #f3d7c5;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 24px;
      height: 2px;
      background: var(--accent);
      border-radius: 3px;
    }

    h1 {
      margin: 0;
      font-size: clamp(32px, 4.2vw, 52px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
      max-width: 760px;
    }

    .hero-lead {
      margin: 18px 0 0;
      max-width: 720px;
      color: rgba(255, 250, 243, 0.78);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .btn-brand,
    .btn-ghost {
      border-radius: var(--radius-sm);
      padding: 12px 18px;
      font-weight: 800;
      border: 1px solid transparent;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
    }

    .btn-brand {
      background: var(--accent);
      color: var(--white);
      box-shadow: 0 12px 26px rgba(143, 63, 44, 0.24);
    }

    .btn-brand:hover {
      background: #a6522e;
      color: var(--white);
      transform: translateY(-1px);
      box-shadow: 0 16px 30px rgba(143, 63, 44, 0.28);
    }

    .btn-ghost {
      background: rgba(255, 250, 243, 0.05);
      color: var(--panel);
      border-color: rgba(255, 250, 243, 0.22);
    }

    .btn-ghost:hover {
      background: rgba(255, 250, 243, 0.11);
      border-color: rgba(255, 250, 243, 0.4);
      color: var(--white);
      transform: translateY(-1px);
    }

    .btn-brand:focus,
    .btn-ghost:focus,
    .outline-link:focus,
    .filter-input:focus {
      outline: 3px solid rgba(183, 97, 50, 0.34);
      outline-offset: 2px;
    }

    .demo-panel {
      background: rgba(255, 250, 243, 0.08);
      border: 1px solid rgba(255, 250, 243, 0.16);
      border-radius: var(--radius);
      padding: 20px;
      min-height: 100%;
      display: grid;
      gap: 14px;
      align-content: start;
    }

    .demo-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 250, 243, 0.12);
    }

    .demo-head strong {
      font-size: 18px;
    }

    .demo-code {
      color: #f2c7ad;
      font-weight: 900;
      font-size: 22px;
    }

    .demo-row {
      display: grid;
      grid-template-columns: 54px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: var(--radius-sm);
      background: rgba(255, 250, 243, 0.07);
      border: 1px solid rgba(255, 250, 243, 0.08);
    }

    .demo-num {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      background: rgba(183, 97, 50, 0.22);
      color: #ffd7bf;
      display: grid;
      place-items: center;
      font-weight: 900;
    }

    .demo-row b {
      display: block;
      color: var(--white);
      line-height: 1.3;
    }

    .demo-row span {
      color: rgba(255, 250, 243, 0.62);
      font-size: 13px;
    }

    .demo-tag {
      color: #f4d0bb;
      font-size: 12px;
      border: 1px solid rgba(244, 208, 187, 0.36);
      border-radius: 999px;
      padding: 4px 9px;
      white-space: nowrap;
    }

    main {
      padding-bottom: 0;
    }

    .section {
      padding: 54px 0;
    }

    .section-tight {
      padding: 36px 0;
    }

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.45fr);
      gap: 26px;
      align-items: end;
      margin-bottom: 26px;
    }

    .section-kicker {
      color: var(--accent-2);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    h2 {
      margin: 0;
      font-size: clamp(25px, 3vw, 34px);
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-note {
      margin: 0;
      color: var(--muted);
      line-height: 1.8;
    }

    .filter-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 22px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      background: var(--white);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .chip.active {
      background: var(--ink);
      color: var(--panel);
      border-color: var(--ink);
    }

    .index-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.48fr);
      gap: 22px;
      align-items: start;
    }

    .timeline-list {
      display: grid;
      gap: 14px;
    }

    .timeline-item {
      display: grid;
      grid-template-columns: 78px 1fr;
      gap: 18px;
      padding: 22px;
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    }

    .timeline-item:hover {
      transform: translateY(-2px);
      border-color: rgba(183, 97, 50, 0.42);
      box-shadow: var(--shadow);
    }

    .step-num {
      width: 58px;
      height: 58px;
      border-radius: var(--radius-sm);
      background: var(--ink);
      color: var(--panel);
      display: grid;
      place-items: center;
      font-size: 18px;
      font-weight: 900;
      border-bottom: 4px solid var(--accent);
    }

    .timeline-content h3 {
      margin: 0 0 8px;
      font-size: 21px;
      font-weight: 900;
      line-height: 1.35;
    }

    .timeline-content p {
      margin: 0;
      color: var(--muted);
    }

    .timeline-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .mini-tag {
      display: inline-flex;
      padding: 5px 9px;
      border-radius: 999px;
      background: var(--paper);
      border: 1px solid var(--line);
      color: var(--accent-2);
      font-size: 12px;
      font-weight: 800;
    }

    .scan-card {
      position: sticky;
      top: 24px;
      background: var(--ink);
      color: var(--panel);
      border-radius: var(--radius);
      padding: 24px;
      border: 1px solid rgba(255, 250, 243, 0.12);
      box-shadow: var(--shadow);
    }

    .scan-card h3 {
      margin: 0 0 12px;
      font-size: 22px;
      font-weight: 900;
    }

    .scan-card p {
      color: rgba(255, 250, 243, 0.7);
      margin: 0 0 18px;
    }

    .metric-stack {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .metric {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 12px 0;
      border-top: 1px solid rgba(255, 250, 243, 0.12);
    }

    .metric strong {
      font-size: 26px;
      color: #f4c7ad;
      line-height: 1;
    }

    .metric span {
      color: rgba(255, 250, 243, 0.62);
      font-size: 13px;
      text-align: right;
    }

    .filter-box {
      margin-top: 18px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 8px;
    }

    .filter-input {
      width: 100%;
      border: 1px solid rgba(255, 250, 243, 0.2);
      border-radius: var(--radius-sm);
      background: rgba(255, 250, 243, 0.08);
      color: var(--panel);
      padding: 12px 13px;
    }

    .filter-input::placeholder {
      color: rgba(255, 250, 243, 0.52);
    }

    .filter-box .btn-brand {
      min-height: 46px;
      padding: 10px 14px;
      white-space: nowrap;
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .entry-card {
      grid-column: span 6;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(183, 97, 50, 0.44);
      box-shadow: var(--shadow-soft);
    }

    .entry-card.featured {
      grid-column: span 7;
      background: var(--white);
    }

    .entry-card.compact {
      grid-column: span 5;
    }

    .entry-top {
      min-height: 118px;
      padding: 24px;
      background:
        linear-gradient(135deg, rgba(24, 21, 18, 0.92), rgba(74, 48, 36, 0.86)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 30px);
      color: var(--panel);
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
    }

    .entry-top .code {
      color: #f2c7ad;
      font-weight: 900;
      font-size: 28px;
      line-height: 1;
    }

    .entry-body {
      padding: 24px;
    }

    .entry-body h3 {
      margin: 0 0 10px;
      font-size: 22px;
      font-weight: 900;
      line-height: 1.35;
    }

    .entry-body p {
      margin: 0;
      color: var(--muted);
    }

    .entry-footer {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-top: 18px;
    }

    .outline-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 40px;
      padding: 8px 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--text);
      font-weight: 800;
      background: var(--white);
    }

    .outline-link:hover {
      border-color: var(--accent);
      color: var(--accent-2);
      transform: translateY(-1px);
    }

    .recommend-band {
      background: var(--ink);
      color: var(--panel);
      padding: 48px 0;
      margin: 26px 0 0;
    }

    .recommend-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid rgba(255, 250, 243, 0.13);
      border-left: 1px solid rgba(255, 250, 243, 0.13);
    }

    .recommend-item {
      min-height: 178px;
      padding: 20px;
      border-right: 1px solid rgba(255, 250, 243, 0.13);
      border-bottom: 1px solid rgba(255, 250, 243, 0.13);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 16px;
      background: rgba(255, 250, 243, 0.02);
    }

    .recommend-item:hover {
      background: rgba(183, 97, 50, 0.13);
    }

    .recommend-item .mini-tag {
      width: fit-content;
      background: rgba(255, 250, 243, 0.08);
      border-color: rgba(255, 250, 243, 0.16);
      color: #f3cbb4;
    }

    .recommend-item h3 {
      margin: 0;
      font-size: 18px;
      line-height: 1.45;
      font-weight: 900;
    }

    .recommend-item p {
      margin: 0;
      color: rgba(255, 250, 243, 0.62);
      font-size: 14px;
    }

    .faq-wrap {
      max-width: 980px;
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: var(--radius) !important;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.82);
      box-shadow: none;
    }

    .accordion-button {
      padding: 19px 22px;
      font-weight: 900;
      color: var(--text);
      background: transparent;
      box-shadow: none;
      line-height: 1.5;
    }

    .accordion-button:not(.collapsed) {
      color: var(--accent-2);
      background: #fff5ec;
      box-shadow: inset 0 -1px 0 var(--line);
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 3px rgba(183, 97, 50, 0.24);
    }

    .accordion-button::after {
      filter: sepia(1) saturate(0.8);
    }

    .accordion-body {
      padding: 18px 22px 22px;
      color: var(--muted);
      line-height: 1.85;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(24, 21, 18, 0.96), rgba(50, 37, 30, 0.94)),
        linear-gradient(90deg, rgba(255, 250, 243, 0.06) 1px, transparent 1px);
      background-size: auto, 48px 48px;
      color: var(--panel);
      padding: 34px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      border: 1px solid rgba(255, 250, 243, 0.12);
      box-shadow: var(--shadow);
    }

    .cta-panel::before {
      content: "02";
      position: absolute;
      right: 30px;
      top: -28px;
      font-size: 128px;
      font-weight: 900;
      color: rgba(255, 250, 243, 0.05);
      line-height: 1;
    }

    .cta-panel h2 {
      position: relative;
      margin-bottom: 10px;
    }

    .cta-panel p {
      position: relative;
      margin: 0;
      max-width: 760px;
      color: rgba(255, 250, 243, 0.7);
    }

    .cta-actions {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .site-footer {
      margin-top: 58px;
      padding: 42px 0 28px;
      background: var(--ink);
      color: var(--panel);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.55fr);
      gap: 32px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255, 250, 243, 0.12);
    }

    .footer-brand {
      font-size: 24px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .footer-text {
      margin: 0;
      max-width: 620px;
      color: rgba(255, 250, 243, 0.62);
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
    }

    .footer-links a {
      padding: 9px 11px;
      border-radius: var(--radius-sm);
      color: rgba(255, 250, 243, 0.7);
      border: 1px solid rgba(255, 250, 243, 0.1);
    }

    .footer-links a:hover {
      color: var(--white);
      border-color: rgba(183, 97, 50, 0.55);
      background: rgba(183, 97, 50, 0.13);
    }

    .copyright {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      padding-top: 22px;
      color: rgba(255, 250, 243, 0.45);
      font-size: 13px;
    }

    @media (max-width: 1199px) {
      .hero-inner,
      .index-layout {
        grid-template-columns: 1fr;
      }

      .scan-card {
        position: relative;
        top: auto;
      }

      .entry-card.featured,
      .entry-card.compact,
      .entry-card {
        grid-column: span 6;
      }

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

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

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 991px) {
      .page-shell {
        padding-left: 0;
      }

      .side-nav {
        display: none;
      }

      .mobile-nav {
        display: block;
      }

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

      .breadcrumb-wrap {
        padding-top: 22px;
      }

      .hero-inner {
        padding: 30px;
      }

      .section {
        padding: 42px 0;
      }

      .section-heading {
        grid-template-columns: 1fr;
        gap: 10px;
      }

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

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

    @media (max-width: 767px) {
      body {
        font-size: 15px;
      }

      .hero-strip {
        padding: 20px 0 26px;
      }

      .hero-inner {
        padding: 24px 18px;
      }

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

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

      .btn-brand,
      .btn-ghost {
        width: 100%;
      }

      .demo-row {
        grid-template-columns: 46px 1fr;
      }

      .demo-tag {
        grid-column: 2;
        width: fit-content;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 18px;
      }

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

      .entry-card.featured,
      .entry-card.compact,
      .entry-card {
        grid-column: auto;
      }

      .entry-top,
      .entry-body {
        padding: 19px;
      }

      .recommend-list {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 24px 18px;
      }

      .copyright {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .page-container {
        width: min(100% - 24px, var(--container));
      }

      h1 {
        font-size: 31px;
      }

      h2 {
        font-size: 24px;
      }

      .demo-panel,
      .scan-card {
        padding: 16px;
      }

      .filter-box {
        grid-template-columns: 1fr;
      }

      .filter-line {
        gap: 8px;
      }

      .chip {
        font-size: 13px;
      }

      .footer-links a {
        width: 100%;
      }
    }

/* roulang page: category1 */
:root {
      --ink: #151412;
      --ink-2: #23211d;
      --paper: #f7f2ea;
      --panel: #fffdf8;
      --muted: #726d65;
      --line: #ded6ca;
      --line-dark: rgba(255,255,255,.14);
      --accent: #b86b34;
      --accent-2: #7f3327;
      --accent-soft: #f2dfcf;
      --silver: #d8d5ce;
      --white: #ffffff;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 22px 70px rgba(24, 20, 16, .12);
      --shadow-soft: 0 12px 34px rgba(24, 20, 16, .08);
      --nav-w: 104px;
      --max: 1220px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 86% 12%, rgba(184, 107, 52, .12), transparent 26%),
        linear-gradient(180deg, #fbf8f2 0%, var(--paper) 46%, #f5efe6 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    :focus-visible {
      outline: 3px solid rgba(184, 107, 52, .34);
      outline-offset: 3px;
    }

    .page-shell {
      min-height: 100vh;
      padding-left: var(--nav-w);
    }

    .page-container {
      width: min(var(--max), calc(100% - 48px));
      margin: 0 auto;
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-w);
      z-index: 1040;
      background: linear-gradient(180deg, #171512 0%, #24201b 100%);
      border-right: 1px solid rgba(255,255,255,.08);
      display: flex;
      flex-direction: column;
      align-items: stretch;
      padding: 18px 12px;
      color: #f6efe5;
    }

    .side-nav-logo {
      min-height: 116px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 7px;
      padding: 12px 6px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      text-align: center;
    }

    .logo-main {
      font-size: 14px;
      font-weight: 800;
      line-height: 1.35;
    }

    .logo-sub {
      color: rgba(246,239,229,.56);
      font-size: 11px;
    }

    .side-nav-links {
      list-style: none;
      margin: 28px 0 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .side-nav-link {
      min-height: 74px;
      padding: 10px 8px;
      border-radius: var(--radius-sm);
      color: rgba(246,239,229,.72);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 6px;
      text-align: center;
      font-size: 12px;
      line-height: 1.35;
      border: 1px solid transparent;
    }

    .side-nav-link:hover,
    .side-nav-link.active {
      color: #fff7ec;
      background: rgba(184, 107, 52, .16);
      border-color: rgba(184, 107, 52, .36);
      transform: translateY(-1px);
    }

    .side-nav-link.active {
      box-shadow: inset 3px 0 0 var(--accent);
    }

    .nav-icon {
      display: inline-flex;
      width: 20px;
      height: 20px;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 18px;
      line-height: 1;
    }

    .side-nav-footer {
      margin-top: auto;
      color: rgba(246,239,229,.48);
      font-size: 11px;
      text-align: center;
      writing-mode: vertical-rl;
      align-self: center;
      letter-spacing: 0;
    }

    .mobile-nav {
      display: none;
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(23, 21, 18, .96);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .mobile-nav .navbar-brand {
      color: #fff7ec;
      font-weight: 800;
      max-width: 72vw;
      white-space: normal;
      line-height: 1.25;
    }

    .menu-btn {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,.16);
      color: #fff7ec;
      background: rgba(255,255,255,.05);
    }

    .offcanvas {
      background: #1d1a16;
      color: #fff7ec;
    }

    .offcanvas .btn-close {
      filter: invert(1);
    }

    .mobile-menu-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255,255,255,.1);
      color: rgba(255,247,236,.82);
    }

    .mobile-menu-link.active {
      color: #fff;
    }

    .section {
      padding: 84px 0;
    }

    .section-tight {
      padding: 58px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border: 1px solid rgba(184, 107, 52, .28);
      border-radius: var(--radius-sm);
      color: var(--accent-2);
      background: rgba(242, 223, 207, .58);
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 2px;
      background: var(--accent);
    }

    .hero {
      min-height: 660px;
      display: flex;
      align-items: center;
      padding: 58px 0 74px;
      background:
        linear-gradient(125deg, rgba(21,20,18,.94) 0%, rgba(21,20,18,.86) 50%, rgba(127,51,39,.72) 100%),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: auto, 68px 68px, 68px 68px;
      color: #fff7ec;
      position: relative;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -8%;
      top: 12%;
      width: 42%;
      height: 72%;
      border: 1px solid rgba(255,255,255,.12);
      transform: skewX(-12deg);
      opacity: .72;
      pointer-events: none;
    }

    .breadcrumb {
      --bs-breadcrumb-divider-color: rgba(255,247,236,.48);
      margin-bottom: 22px;
      font-size: 14px;
    }

    .breadcrumb a {
      color: rgba(255,247,236,.72);
    }

    .breadcrumb .active {
      color: #fff7ec;
    }

    .hero h1 {
      margin: 18px 0 20px;
      max-width: 760px;
      font-size: clamp(2rem, 4vw, 3.45rem);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      color: rgba(255,247,236,.78);
      font-size: 18px;
      line-height: 1.85;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 26px;
    }

    .btn-brand {
      --bs-btn-bg: var(--accent);
      --bs-btn-border-color: var(--accent);
      --bs-btn-color: #fff;
      --bs-btn-hover-bg: #a85e2d;
      --bs-btn-hover-border-color: #a85e2d;
      --bs-btn-active-bg: #8e4d25;
      --bs-btn-active-border-color: #8e4d25;
      border-radius: var(--radius-sm);
      padding: 11px 18px;
      font-weight: 800;
      box-shadow: 0 10px 26px rgba(184, 107, 52, .24);
    }

    .btn-outline-brand {
      --bs-btn-color: #fff7ec;
      --bs-btn-border-color: rgba(255,247,236,.42);
      --bs-btn-hover-bg: rgba(255,247,236,.1);
      --bs-btn-hover-border-color: rgba(255,247,236,.72);
      --bs-btn-active-bg: rgba(255,247,236,.16);
      border-radius: var(--radius-sm);
      padding: 11px 18px;
      font-weight: 800;
    }

    .btn-lightline {
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--ink);
      border-radius: var(--radius-sm);
      padding: 10px 15px;
      font-weight: 800;
    }

    .btn-brand:hover,
    .btn-outline-brand:hover,
    .btn-lightline:hover {
      transform: translateY(-1px);
    }

    .quick-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .quick-strip span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border: 1px solid rgba(255,255,255,.14);
      color: rgba(255,247,236,.75);
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.04);
      font-size: 13px;
    }

    .slot-board {
      position: relative;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.07);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: 0 30px 80px rgba(0,0,0,.24);
      backdrop-filter: blur(10px);
    }

    .slot-board-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .slot-board-title strong {
      font-size: 19px;
      line-height: 1.35;
    }

    .slot-board-title span {
      color: rgba(255,247,236,.62);
      font-size: 13px;
    }

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

    .slot-item {
      display: grid;
      grid-template-columns: 78px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,.13);
      background: rgba(255,255,255,.05);
    }

    .slot-time {
      color: #f5c596;
      font-weight: 900;
      font-size: 17px;
    }

    .slot-item p {
      margin: 0;
      color: rgba(255,247,236,.76);
      font-size: 14px;
      line-height: 1.55;
    }

    .slot-status {
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      border: 1px solid rgba(184,107,52,.5);
      background: rgba(184,107,52,.18);
      border-radius: 999px;
      padding: 5px 8px;
      white-space: nowrap;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
      gap: 32px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-head h2 {
      margin: 12px 0 0;
      font-size: clamp(1.55rem, 3vw, 2.25rem);
      line-height: 1.22;
      font-weight: 900;
    }

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

    .index-panel {
      border-top: 2px solid var(--ink);
      border-bottom: 1px solid var(--line);
      background: rgba(255,253,248,.7);
    }

    .index-row {
      display: grid;
      grid-template-columns: 92px minmax(0, 1fr) 164px;
      gap: 24px;
      align-items: center;
      padding: 24px 0;
      border-bottom: 1px solid var(--line);
    }

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

    .index-no {
      color: var(--accent-2);
      font-weight: 900;
      font-size: 24px;
    }

    .index-row h3 {
      margin: 0 0 6px;
      font-size: 21px;
      font-weight: 900;
    }

    .index-row p {
      margin: 0;
      color: var(--muted);
    }

    .tag-line {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .tag,
    .badge-soft {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 9px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: #fbf7ef;
      color: #6b5b4b;
      font-size: 13px;
      font-weight: 700;
    }

    .filter-area {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-chip {
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: #fbf7ef;
      padding: 9px 12px;
      color: var(--muted);
      font-weight: 800;
      cursor: pointer;
      transition: all .18s ease;
    }

    .filter-chip:hover,
    .filter-chip.active {
      color: var(--ink);
      background: var(--accent-soft);
      border-color: rgba(184,107,52,.45);
      transform: translateY(-1px);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 22px;
    }

    .feature-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      padding: 28px;
      min-height: 100%;
      box-shadow: var(--shadow-soft);
    }

    .feature-card.major {
      background:
        linear-gradient(135deg, rgba(255,253,248,.96), rgba(242,223,207,.62)),
        repeating-linear-gradient(90deg, transparent 0, transparent 54px, rgba(21,20,18,.04) 55px);
    }

    .feature-card h3 {
      margin: 16px 0 12px;
      font-size: 24px;
      font-weight: 900;
    }

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

    .metric-line {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .metric {
      border-left: 3px solid var(--accent);
      background: rgba(255,255,255,.5);
      padding: 14px;
      border-radius: var(--radius-sm);
    }

    .metric strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
      font-weight: 900;
    }

    .metric span {
      color: var(--muted);
      font-size: 13px;
    }

    .compact-list {
      display: grid;
      gap: 14px;
    }

    .compact-item {
      display: grid;
      grid-template-columns: 36px 1fr;
      gap: 12px;
      padding: 16px 0;
      border-bottom: 1px solid var(--line);
    }

    .compact-item:last-child {
      border-bottom: 0;
    }

    .compact-item b {
      display: inline-flex;
      width: 32px;
      height: 32px;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: var(--ink);
      color: #fff7ec;
      font-size: 13px;
    }

    .compact-item h4 {
      margin: 0 0 4px;
      font-size: 17px;
      font-weight: 900;
    }

    .compact-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .scenario-band {
      background: #211e19;
      color: #fff7ec;
      position: relative;
      overflow: hidden;
    }

    .scenario-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 82px 82px;
      opacity: .38;
      pointer-events: none;
    }

    .scenario-band .page-container {
      position: relative;
    }

    .scenario-band .section-head p,
    .scenario-band .compact-item p {
      color: rgba(255,247,236,.68);
    }

    .scenario-band .eyebrow {
      color: #ffd9b8;
      background: rgba(184,107,52,.16);
      border-color: rgba(184,107,52,.32);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .scenario-card {
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      padding: 22px;
      min-height: 190px;
      transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
    }

    .scenario-card:hover {
      transform: translateY(-2px);
      border-color: rgba(184,107,52,.55);
      background: rgba(255,255,255,.08);
    }

    .scenario-card .num {
      color: #f5c596;
      font-weight: 900;
      margin-bottom: 34px;
      display: block;
    }

    .scenario-card h3 {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .scenario-card p {
      color: rgba(255,247,236,.68);
      margin: 0;
      font-size: 14px;
    }

    .step-list {
      counter-reset: step;
      display: grid;
      gap: 12px;
    }

    .step-item {
      counter-increment: step;
      display: grid;
      grid-template-columns: 70px 1fr;
      gap: 18px;
      align-items: start;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
    }

    .step-item::before {
      content: "0" counter(step);
      font-size: 24px;
      font-weight: 900;
      color: var(--accent-2);
      line-height: 1;
    }

    .step-item h3 {
      margin: 0 0 7px;
      font-size: 19px;
      font-weight: 900;
    }

    .step-item p {
      margin: 0;
      color: var(--muted);
    }

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

    .related-item {
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,253,248,.72);
      border-left: 4px solid var(--accent);
    }

    .related-item h3 {
      font-size: 17px;
      font-weight: 900;
      margin: 0 0 8px;
    }

    .related-item p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: var(--line);
      --bs-accordion-border-radius: var(--radius);
      --bs-accordion-inner-border-radius: var(--radius-sm);
      --bs-accordion-btn-focus-box-shadow: none;
    }

    .accordion-item {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius) !important;
      overflow: hidden;
      margin-bottom: 12px;
    }

    .accordion-button {
      background: var(--panel);
      color: var(--ink);
      font-weight: 900;
      padding: 18px 22px;
      line-height: 1.45;
    }

    .accordion-button:not(.collapsed) {
      color: var(--accent-2);
      background: #fbf1e8;
      box-shadow: inset 0 -1px 0 var(--line);
    }

    .accordion-button::after {
      filter: grayscale(1);
    }

    .accordion-body {
      color: var(--muted);
      padding: 18px 22px 22px;
    }

    .cta-block {
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, #181613 0%, #28231d 64%, #673127 100%);
      color: #fff7ec;
      padding: 44px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.1);
      box-shadow: var(--shadow);
    }

    .cta-block::after {
      content: "01";
      position: absolute;
      right: 34px;
      bottom: -24px;
      color: rgba(255,255,255,.06);
      font-size: 118px;
      line-height: 1;
      font-weight: 900;
    }

    .cta-block h2 {
      position: relative;
      margin: 0 0 12px;
      max-width: 720px;
      font-size: clamp(1.55rem, 3vw, 2.25rem);
      font-weight: 900;
      z-index: 1;
    }

    .cta-block p {
      position: relative;
      max-width: 720px;
      color: rgba(255,247,236,.72);
      margin-bottom: 22px;
      z-index: 1;
    }

    .cta-actions {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      z-index: 1;
    }

    .site-footer {
      background: #151412;
      color: #fff7ec;
      padding: 46px 0 28px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 32px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
      font-weight: 900;
      font-size: 22px;
      margin-bottom: 10px;
    }

    .footer-text {
      max-width: 560px;
      color: rgba(255,247,236,.64);
      margin: 0;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 18px;
      justify-content: flex-end;
      max-width: 420px;
    }

    .footer-links a {
      color: rgba(255,247,236,.72);
      font-weight: 700;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 20px;
      color: rgba(255,247,236,.48);
      font-size: 13px;
      flex-wrap: wrap;
    }

    @media (max-width: 1180px) {
      .feature-grid,
      .section-head {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 991.98px) {
      .page-shell {
        padding-left: 0;
      }

      .side-nav {
        display: none;
      }

      .mobile-nav {
        display: block;
      }

      .hero {
        min-height: auto;
        padding: 44px 0 58px;
      }

      .slot-board {
        margin-top: 26px;
      }

      .index-row {
        grid-template-columns: 68px 1fr;
      }

      .index-row .btn {
        grid-column: 2;
        justify-self: start;
      }

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

    @media (max-width: 767.98px) {
      .page-container {
        width: min(100% - 28px, var(--max));
      }

      .section,
      .section-tight {
        padding: 56px 0;
      }

      .hero h1 {
        font-size: clamp(1.9rem, 10vw, 2.35rem);
      }

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

      .slot-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .slot-status {
        justify-self: start;
      }

      .metric-line,
      .scenario-grid,
      .related-grid {
        grid-template-columns: 1fr;
      }

      .feature-card,
      .filter-area,
      .cta-block {
        padding: 22px;
      }

      .step-item {
        grid-template-columns: 48px 1fr;
        padding: 18px;
      }

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

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

    @media (max-width: 520px) {
      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

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

      .index-row {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .index-row .btn {
        grid-column: auto;
      }

      .quick-strip span {
        width: 100%;
      }
    }