/* roulang page: index */
:root {
      --bg-dark: #0f1115;
      --bg-card: #181b22;
      --bg-elevated: #222630;
      --color-primary: #e5a93c;
      --color-primary-hover: #f5b94c;
      --color-accent: #2ec4b6;
      --color-highlight: #ff5722;
      --text-main: #e6e8ec;
      --text-muted: #8a92a6;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(229, 169, 60, 0.4);
      --radius-sm: 6px;
      --radius-md: 10px;
      --shadow-base: 0 8px 24px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 0 16px rgba(229, 169, 60, 0.35);
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
    a:hover { color: var(--color-primary); }
    img { max-width: 100%; height: auto; display: block; }
    h1, h2, h3, h4, h5 { color: #ffffff; font-weight: 700; margin-bottom: 0.75rem; letter-spacing: -0.02em; }
    .site-dock-header {
      position: fixed;
      top: 16px;
      left: 0;
      right: 0;
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 0 16px;
      pointer-events: none;
    }
    .top-micro-bar {
      pointer-events: auto;
      background: rgba(15, 17, 21, 0.75);
      border: 1px solid var(--border-subtle);
      border-radius: 999px;
      padding: 4px 16px;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      backdrop-filter: blur(12px);
      display: flex;
      gap: 16px;
    }
    .top-micro-bar span i { color: var(--color-accent); margin-right: 4px; }
    .dock-container {
      pointer-events: auto;
      background: rgba(24, 27, 34, 0.88);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: 1140px;
    }
    .dock-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.15rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .dock-logo i { color: var(--color-primary); font-size: 1.25rem; }
    .dock-nav {
      display: flex;
      align-items: center;
      gap: 24px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .dock-nav li a {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 4px;
      position: relative;
    }
    .dock-nav li a:hover, .dock-nav li a.active {
      color: #ffffff;
    }
    .dock-nav li a.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-primary);
      border-radius: 2px;
    }
    .btn-dock-action {
      background: linear-gradient(135deg, var(--color-primary), #d48b28);
      color: #000000 !important;
      font-size: 0.82rem;
      font-weight: 700;
      padding: 8px 18px;
      border-radius: 999px;
      box-shadow: var(--shadow-glow);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-dock-action:hover {
      transform: translateY(-1px);
      background: var(--color-primary-hover);
      box-shadow: 0 0 20px rgba(229, 169, 60, 0.6);
    }
    .hero-orbit-section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      background: radial-gradient(circle at 75% 30%, rgba(229, 169, 60, 0.15), transparent 55%),
                  radial-gradient(circle at 20% 80%, rgba(46, 196, 182, 0.12), transparent 50%),
                  url('/assets/images/bf094dce12b554b8.webp') center/cover no-repeat;
      padding: 140px 0 80px 0;
      border-bottom: 1px solid var(--border-subtle);
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 17, 21, 0.82) 0%, rgba(15, 17, 21, 0.96) 100%);
      z-index: 1;
    }
    .hero-content-wrap {
      position: relative;
      z-index: 2;
    }
    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(229, 169, 60, 0.12);
      border: 1px solid rgba(229, 169, 60, 0.35);
      border-radius: 999px;
      color: var(--color-primary);
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: clamp(2.2rem, 5vw, 3.8rem);
      line-height: 1.15;
      font-weight: 900;
      color: #ffffff;
      margin-bottom: 20px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #ffffff 40%, var(--color-primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-description {
      font-size: 1.05rem;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 32px;
      max-width: 680px;
    }
    .hero-countdown-strip {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 14px 20px;
      display: inline-flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 36px;
    }
    .countdown-item {
      display: flex;
      flex-direction: column;
    }
    .countdown-val {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--color-accent);
      line-height: 1;
    }
    .countdown-lbl {
      font-size: 0.7rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .countdown-divider {
      color: var(--border-subtle);
      font-size: 1.2rem;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-solid-amber {
      background: var(--color-primary);
      color: #0f1115;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--shadow-glow);
    }
    .btn-solid-amber:hover {
      background: var(--color-primary-hover);
      color: #000000;
      transform: translateY(-2px);
    }
    .btn-outline-titanium {
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #ffffff;
      font-weight: 600;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.03);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-outline-titanium:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: #ffffff;
      color: #ffffff;
      transform: translateY(-2px);
    }
    .section-wrap {
      padding: 90px 0;
      position: relative;
    }
    .section-bg-alt {
      background-color: #12151b;
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }
    .section-header-block {
      margin-bottom: 50px;
    }
    .section-eyebrow {
      color: var(--color-accent);
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      display: inline-block;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .section-summary {
      color: var(--text-muted);
      font-size: 0.98rem;
      line-height: 1.7;
      max-width: 760px;
      margin: 0;
    }
    .pipeline-img-card {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-base);
    }
    .pipeline-img-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .pipeline-tag-strip {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      background: rgba(15, 17, 21, 0.88);
      backdrop-filter: blur(10px);
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-subtle);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .pipeline-feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .pipeline-feature-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      gap: 18px;
      transition: all 0.3s ease;
    }
    .pipeline-feature-item:hover {
      border-color: rgba(229, 169, 60, 0.4);
      transform: translateY(-2px);
    }
    .feature-icon-box {
      width: 48px;
      height: 48px;
      min-width: 48px;
      background: rgba(229, 169, 60, 0.1);
      border: 1px solid rgba(229, 169, 60, 0.2);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-size: 1.25rem;
    }
    .feature-text-box h4 {
      font-size: 1.1rem;
      margin-bottom: 6px;
    }
    .feature-text-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.6;
    }
    .grid-adv-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .grid-adv-card:hover {
      border-color: var(--color-primary);
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
    }
    .adv-icon-wrap {
      font-size: 1.8rem;
      color: var(--color-accent);
      margin-bottom: 18px;
    }
    .grid-adv-card h3 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }
    .grid-adv-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .adv-tech-tag {
      font-size: 0.75rem;
      color: var(--color-primary);
      font-family: monospace;
      background: rgba(229, 169, 60, 0.08);
      padding: 4px 8px;
      border-radius: 4px;
      display: inline-block;
      border: 1px solid rgba(229, 169, 60, 0.15);
      align-self: flex-start;
    }
    .product-archetype-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .product-archetype-card:hover {
      border-color: rgba(229, 169, 60, 0.4);
      transform: translateY(-4px);
    }
    .product-thumb-wrap {
      position: relative;
      height: 200px;
      overflow: hidden;
    }
    .product-thumb-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-archetype-card:hover .product-thumb-wrap img {
      transform: scale(1.05);
    }
    .product-content-wrap {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-content-wrap h3 {
      font-size: 1.25rem;
      margin-bottom: 10px;
    }
    .product-content-wrap p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .spec-table-compact {
      margin-top: auto;
      background: rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      border: 1px solid var(--border-subtle);
      font-size: 0.8rem;
    }
    .spec-row {
      display: flex;
      justify-content: space-between;
      padding: 4px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .spec-row:last-child { border-bottom: none; }
    .spec-label { color: var(--text-muted); }
    .spec-value { color: var(--color-accent); font-family: monospace; }
    .case-wide-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 28px;
    }
    .case-wide-card:last-child { margin-bottom: 0; }
    .case-img-box {
      position: relative;
      height: 100%;
      min-height: 280px;
    }
    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-info-box {
      padding: 36px 32px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 0.75rem;
      color: var(--color-primary);
      border: 1px solid rgba(229, 169, 60, 0.3);
      padding: 2px 10px;
      border-radius: 999px;
      margin-bottom: 12px;
    }
    .case-info-box h3 {
      font-size: 1.45rem;
      margin-bottom: 12px;
    }
    .case-info-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-kpi-bar {
      display: flex;
      gap: 24px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 16px;
    }
    .kpi-unit strong {
      display: block;
      font-size: 1.15rem;
      color: #ffffff;
      line-height: 1.2;
    }
    .kpi-unit span {
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .workflow-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      height: 100%;
    }
    .step-number-tag {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(229, 169, 60, 0.25);
      line-height: 1;
      margin-bottom: 14px;
      font-family: monospace;
    }
    .workflow-step-card h4 {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: #ffffff;
    }
    .workflow-step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }
    .metrics-fullwidth-band {
      background: linear-gradient(90deg, #13171e 0%, #1a1e28 50%, #13171e 100%);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
      padding: 60px 0;
    }
    .counter-block {
      text-align: center;
      padding: 10px;
    }
    .counter-num {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--color-primary);
      line-height: 1;
      margin-bottom: 8px;
      font-family: monospace;
    }
    .counter-label {
      font-size: 0.88rem;
      color: #ffffff;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .counter-sub {
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 30px;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .star-rating {
      color: var(--color-primary);
      font-size: 0.9rem;
      margin-bottom: 16px;
    }
    .testimonial-quote {
      font-size: 0.92rem;
      line-height: 1.7;
      color: var(--text-main);
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .client-author-bar {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 16px;
    }
    .client-avatar-stub {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--bg-elevated);
      border: 1px solid rgba(229, 169, 60, 0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-weight: 700;
      font-size: 0.85rem;
    }
    .client-name { font-weight: 700; font-size: 0.9rem; }
    .client-role { font-size: 0.75rem; color: var(--text-muted); }
    .news-digest-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .news-digest-card:hover {
      border-color: rgba(229, 169, 60, 0.35);
      transform: translateY(-3px);
    }
    .news-digest-card img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }
    .news-text-padding {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date-tag {
      font-size: 0.75rem;
      color: var(--color-accent);
      margin-bottom: 8px;
      font-family: monospace;
    }
    .news-text-padding h4 {
      font-size: 1.05rem;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-text-padding p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-anchor-link {
      color: var(--color-primary);
      font-size: 0.82rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .news-anchor-link:hover { color: var(--color-primary-hover); }
    .accordion {
      background: transparent;
      border: none;
      list-style: none;
      margin: 0;
    }
    .accordion-item {
      background: var(--bg-card) !important;
      border: 1px solid var(--border-subtle) !important;
      border-radius: var(--radius-md) !important;
      margin-bottom: 14px;
      overflow: hidden;
    }
    .accordion-title {
      background: transparent !important;
      color: #ffffff !important;
      font-size: 1.05rem;
      font-weight: 600;
      padding: 20px 24px;
      border: none !important;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .accordion-title:hover {
      background: rgba(255, 255, 255, 0.02) !important;
      color: var(--color-primary) !important;
    }
    .is-active > .accordion-title {
      color: var(--color-primary) !important;
      border-bottom: 1px solid var(--border-subtle) !important;
    }
    .accordion-content {
      background: transparent !important;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
      padding: 20px 24px;
      border: none !important;
    }
    .contact-form-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-base);
    }
    .form-group-custom {
      margin-bottom: 20px;
    }
    .form-group-custom label {
      display: block;
      color: #ffffff;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .form-input-custom, .form-select-custom, .form-textarea-custom {
      width: 100%;
      background: #0f1115 !important;
      border: 1px solid rgba(255, 255, 255, 0.12) !important;
      border-radius: var(--radius-sm) !important;
      color: #ffffff !important;
      padding: 10px 14px !important;
      font-size: 0.9rem !important;
      transition: border-color 0.25s ease;
      height: auto !important;
      margin-bottom: 0 !important;
    }
    .form-input-custom:focus, .form-select-custom:focus, .form-textarea-custom:focus {
      border-color: var(--color-primary) !important;
      box-shadow: 0 0 8px rgba(229, 169, 60, 0.3) !important;
      outline: none;
    }
    .form-textarea-custom {
      resize: vertical;
      min-height: 110px;
    }
    .site-footer {
      background-color: #0a0c0e;
      border-top: 1px solid var(--border-subtle);
      padding: 70px 0 30px 0;
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .footer-brand h4 {
      font-size: 1.25rem;
      color: #ffffff;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 0.98rem;
      margin-bottom: 18px;
      font-weight: 700;
    }
    .footer-links-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      color: var(--text-muted);
    }
    .footer-links-list a:hover {
      color: var(--color-primary);
    }
    .footer-contact-info {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-contact-info li {
      margin-bottom: 12px;
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .footer-contact-info i {
      color: var(--color-primary);
      margin-top: 4px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-top: 50px;
      padding-top: 24px;
      font-size: 0.8rem;
      text-align: center;
    }
    @media screen and (max-width: 1023px) {
      .top-micro-bar { display: none; }
      .dock-nav { display: none; }
      .dock-container { padding: 8px 16px; border-radius: 12px; }
      .hero-orbit-section { padding: 120px 0 60px 0; }
      .section-wrap { padding: 60px 0; }
      .counter-num { font-size: 2.2rem; }
    }
    @media screen and (max-width: 639px) {
      .hero-title { font-size: 1.85rem; }
      .hero-countdown-strip { width: 100%; justify-content: space-around; gap: 8px; }
      .countdown-val { font-size: 1.15rem; }
      .contact-form-panel { padding: 20px; }
      .case-info-box { padding: 24px 16px; }
      .kpi-unit strong { font-size: 1rem; }
    }