/* roulang page: index */
:root {
      --hl-dark: #16191e;
      --hl-brand: #c8633f;
      --hl-brand-light: #fbeee8;
      --hl-brand-hover: #b05332;
      --hl-bg-light: #f8f7f4;
      --hl-white: #ffffff;
      --hl-border: #e5e3dc;
      --hl-border-subtle: rgba(22, 25, 30, 0.08);
      --hl-text-main: #3a3e45;
      --hl-text-muted: #767a82;
      --hl-text-faint: #a0a4ac;
      --hl-radius: 8px;
      --hl-shadow-sm: 0 4px 16px rgba(22, 25, 30, 0.04);
      --hl-shadow-md: 0 10px 30px rgba(22, 25, 30, 0.07);
      --hl-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* Reset & Base Setup */
    *, *::before, *::after { box-sizing: border-box; }
    body {
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--hl-text-main);
      background-color: var(--hl-white);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4, h5, h6 {
      color: var(--hl-dark);
      font-weight: 700;
      line-height: 1.35;
      margin: 0 0 16px 0;
      letter-spacing: -0.02em;
    }
    p { margin: 0 0 16px 0; }
    a { color: inherit; text-decoration: none; transition: var(--hl-transition); }
    a:hover, a:focus { color: var(--hl-brand); text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; margin: 0; padding: 0; }

    /* Layout Utility */
    .hl-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .hl-section {
      padding: 96px 0;
      position: relative;
    }
    .hl-section-alt {
      background-color: var(--hl-bg-light);
    }
    .hl-section-dark {
      background-color: var(--hl-dark);
      color: #eaecef;
    }
    .hl-section-dark h2, .hl-section-dark h3, .hl-section-dark p {
      color: #ffffff;
    }

    /* Header & Navigation */
    .hl-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--hl-border-subtle);
      transition: var(--hl-transition);
    }
    .hl-nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .hl-brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      color: var(--hl-dark);
      letter-spacing: -0.03em;
    }
    .hl-brand-logo:hover {
      color: var(--hl-dark);
    }
    .hl-brand-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--hl-dark) 0%, var(--hl-brand) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
    }
    .hl-nav-menu {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .hl-nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--hl-dark);
      position: relative;
      padding: 6px 0;
    }
    .hl-nav-link.active, .hl-nav-link:hover {
      color: var(--hl-brand);
    }
    .hl-nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--hl-brand);
      border-radius: 2px;
    }
    .hl-nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .hl-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--hl-transition);
      border: 1px solid transparent;
      text-align: center;
    }
    .hl-btn-primary {
      background-color: var(--hl-brand);
      color: #ffffff;
    }
    .hl-btn-primary:hover {
      background-color: var(--hl-brand-hover);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(200, 99, 63, 0.28);
    }
    .hl-btn-dark {
      background-color: var(--hl-dark);
      color: #ffffff;
    }
    .hl-btn-dark:hover {
      background-color: #2a2f38;
      color: #ffffff;
      transform: translateY(-2px);
    }
    .hl-btn-outline {
      background-color: transparent;
      border-color: var(--hl-border);
      color: var(--hl-dark);
    }
    .hl-btn-outline:hover {
      border-color: var(--hl-dark);
      color: var(--hl-dark);
      background-color: rgba(22, 25, 30, 0.02);
    }

    /* Section Typography Header */
    .hl-section-header {
      margin-bottom: 56px;
    }
    .hl-section-header.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .hl-tag-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--hl-brand);
      background-color: var(--hl-brand-light);
      padding: 4px 12px;
      border-radius: 30px;
      margin-bottom: 14px;
    }
    .hl-tag-badge-dark {
      background: rgba(255, 255, 255, 0.12);
      color: #ffb89d;
    }
    .hl-section-title {
      font-size: 34px;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }
    .hl-section-desc {
      font-size: 16px;
      color: var(--hl-text-muted);
      max-width: 720px;
      line-height: 1.8;
      margin: 0 auto;
    }

    /* 1. Hero: 斜切色块首屏，大标题压在色块上 + 单 CTA */
    .hl-hero-angled {
      position: relative;
      background: var(--hl-bg-light);
      padding: 100px 0 130px;
      overflow: hidden;
    }
    .hl-hero-angled::before {
      content: "";
      position: absolute;
      top: -30%;
      right: -10%;
      width: 65%;
      height: 160%;
      background: linear-gradient(135deg, #1b2028 0%, #16191e 100%);
      transform: rotate(-12deg);
      z-index: 1;
      box-shadow: -20px 20px 50px rgba(0,0,0,0.06);
    }
    .hl-hero-content {
      position: relative;
      z-index: 2;
      max-width: 860px;
    }
    .hl-hero-h1 {
      font-size: 46px;
      line-height: 1.25;
      color: var(--hl-dark);
      margin-bottom: 24px;
      letter-spacing: -0.03em;
    }
    .hl-hero-h1 span.hl-h1-accent {
      color: var(--hl-brand);
      display: inline-block;
    }
    .hl-hero-desc {
      font-size: 18px;
      color: var(--hl-text-main);
      margin-bottom: 36px;
      max-width: 680px;
      line-height: 1.85;
    }
    .hl-hero-action-box {
      margin-bottom: 40px;
    }
    .hl-hero-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      padding-top: 24px;
      border-top: 1px solid rgba(22, 25, 30, 0.12);
    }
    .hl-metric-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--hl-dark);
      line-height: 1.1;
    }
    .hl-metric-label {
      font-size: 13px;
      color: var(--hl-text-muted);
      margin-top: 4px;
    }

    /* 2. 倒计时与实时动态板块 */
    .hl-countdown-wrap {
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 36px 44px;
      box-shadow: var(--hl-shadow-sm);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }
    .hl-cd-info h3 {
      font-size: 20px;
      margin-bottom: 6px;
    }
    .hl-cd-info p {
      font-size: 14px;
      color: var(--hl-text-muted);
      margin-bottom: 0;
    }
    .hl-cd-timer {
      display: flex;
      gap: 16px;
    }
    .hl-cd-unit {
      background: var(--hl-bg-light);
      border: 1px solid var(--hl-border);
      border-radius: 6px;
      min-width: 72px;
      padding: 10px 8px;
      text-align: center;
    }
    .hl-cd-digit {
      font-size: 24px;
      font-weight: 800;
      color: var(--hl-brand);
      line-height: 1;
    }
    .hl-cd-text {
      font-size: 11px;
      color: var(--hl-text-muted);
      margin-top: 4px;
      text-transform: uppercase;
    }

    /* 3. 活动亮点与特色服务板块 */
    .hl-card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hl-card {
      background: var(--hl-white);
      border: 1px solid var(--hl-border-subtle);
      border-radius: var(--hl-radius);
      padding: 32px 28px;
      transition: var(--hl-transition);
      box-shadow: var(--hl-shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .hl-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--hl-shadow-md);
      border-color: rgba(200, 99, 63, 0.35);
    }
    .hl-card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 8px;
      background: var(--hl-bg-light);
      color: var(--hl-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .hl-card-title {
      font-size: 19px;
      margin-bottom: 12px;
    }
    .hl-card-desc {
      font-size: 14px;
      color: var(--hl-text-muted);
      line-height: 1.75;
      margin-bottom: 16px;
    }
    .hl-card-meta {
      font-size: 13px;
      color: var(--hl-brand);
      font-weight: 600;
    }

    /* 4. 礼包/权益梯度板块 */
    .hl-tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .hl-tier-card {
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 40px 32px;
      position: relative;
      transition: var(--hl-transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .hl-tier-featured {
      background: var(--hl-dark);
      color: #ffffff;
      border-color: var(--hl-dark);
      transform: scale(1.02);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
    }
    .hl-tier-featured h3, .hl-tier-featured p {
      color: #ffffff;
    }
    .hl-tier-featured .hl-tier-list li {
      color: #d1d5db;
    }
    .hl-tier-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--hl-brand);
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 20px;
      letter-spacing: 0.05em;
    }
    .hl-tier-title {
      font-size: 22px;
      margin-bottom: 8px;
    }
    .hl-tier-sub {
      font-size: 14px;
      color: var(--hl-text-muted);
      margin-bottom: 24px;
    }
    .hl-tier-list {
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .hl-tier-list li {
      font-size: 14px;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(22, 25, 30, 0.08);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .hl-tier-featured .hl-tier-list li {
      border-bottom-color: rgba(255, 255, 255, 0.12);
    }
    .hl-tier-list li::before {
      content: "✓";
      color: var(--hl-brand);
      font-weight: 800;
      font-size: 13px;
    }

    /* 5. 玩法步骤 / 协同联动四步 */
    .hl-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .hl-step-item {
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 32px 24px;
      position: relative;
    }
    .hl-step-num {
      font-size: 13px;
      font-weight: 800;
      color: var(--hl-brand);
      background: var(--hl-brand-light);
      display: inline-block;
      padding: 2px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .hl-step-item h4 {
      font-size: 18px;
      margin-bottom: 12px;
    }
    .hl-step-item p {
      font-size: 13.5px;
      color: var(--hl-text-muted);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 6. 奖励预览 / 互助激励回馈 */
    .hl-perks-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }
    .hl-perk-box {
      background: var(--hl-white);
      border-radius: var(--hl-radius);
      border: 1px solid var(--hl-border-subtle);
      padding: 36px;
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-perk-box h3 {
      font-size: 20px;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .hl-perk-badge {
      font-size: 11px;
      background: var(--hl-dark);
      color: #ffffff;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .hl-perk-items {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }
    .hl-perk-sub-item {
      background: var(--hl-bg-light);
      border-radius: 6px;
      padding: 14px 16px;
      border-left: 3px solid var(--hl-brand);
    }
    .hl-perk-sub-item strong {
      display: block;
      font-size: 14px;
      color: var(--hl-dark);
      margin-bottom: 4px;
    }
    .hl-perk-sub-item span {
      font-size: 12.5px;
      color: var(--hl-text-muted);
    }

    /* 7. CMS 资讯与社区动态 */
    .hl-news-header-wrap {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 48px;
      flex-wrap: wrap;
      gap: 20px;
    }
    .hl-news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hl-news-card {
      background: var(--hl-white);
      border: 1px solid var(--hl-border-subtle);
      border-radius: var(--hl-radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--hl-transition);
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--hl-shadow-md);
      border-color: rgba(200, 99, 63, 0.3);
    }
    .hl-news-body {
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      justify-content: space-between;
    }
    .hl-news-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--hl-text-faint);
      margin-bottom: 12px;
    }
    .hl-news-category {
      color: var(--hl-brand);
      font-weight: 700;
      background: var(--hl-brand-light);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .hl-news-title {
      font-size: 17px;
      line-height: 1.5;
      margin-bottom: 12px;
      color: var(--hl-dark);
      font-weight: 700;
    }
    .hl-news-excerpt {
      font-size: 13.5px;
      color: var(--hl-text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .hl-news-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--hl-brand);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hl-news-empty {
      grid-column: 1 / -1;
      background: var(--hl-white);
      border: 1px dashed var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 48px;
      text-align: center;
      color: var(--hl-text-muted);
    }

    /* 8. 多角色口碑评价瀑布 */
    .hl-testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hl-testi-card {
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 32px 28px;
      position: relative;
    }
    .hl-testi-quote {
      font-size: 14.5px;
      color: var(--hl-text-main);
      line-height: 1.75;
      margin-bottom: 20px;
      font-style: normal;
    }
    .hl-testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--hl-border-subtle);
      padding-top: 16px;
    }
    .hl-testi-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--hl-brand-light);
      color: var(--hl-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }
    .hl-testi-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 2px;
    }
    .hl-testi-role {
      font-size: 12px;
      color: var(--hl-text-muted);
    }

    /* 9. 数字化平台演示视窗板块 */
    .hl-showcase-window {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
    }
    .hl-window-header {
      background: #242933;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .hl-win-circle {
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: #ff5f56;
    }
    .hl-win-circle:nth-child(2) { background: #ffbd2e; }
    .hl-win-circle:nth-child(3) { background: #27c93f; }
    .hl-win-title {
      color: #9aa1af;
      font-size: 12px;
      margin-left: 12px;
      font-family: monospace;
    }
    .hl-window-grid {
      display: grid;
      grid-template-columns: 300px 1fr;
      min-height: 380px;
      background: #fafaf8;
    }
    .hl-win-sidebar {
      border-right: 1px solid var(--hl-border);
      padding: 24px;
      background: #ffffff;
    }
    .hl-win-nav-item {
      padding: 10px 14px;
      border-radius: 6px;
      font-size: 13.5px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--hl-text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .hl-win-nav-item.active {
      background: var(--hl-brand-light);
      color: var(--hl-brand);
    }
    .hl-win-main {
      padding: 28px;
    }
    .hl-win-stat-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 24px;
    }
    .hl-win-stat-card {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: 6px;
      padding: 16px;
    }
    .hl-win-stat-card strong {
      display: block;
      font-size: 20px;
      color: var(--hl-dark);
    }
    .hl-win-stat-card span {
      font-size: 12px;
      color: var(--hl-text-muted);
    }
    .hl-win-feed-item {
      background: #ffffff;
      border: 1px solid var(--hl-border-subtle);
      border-radius: 6px;
      padding: 14px 18px;
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13.5px;
    }
    .hl-status-pill {
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      background: #e6f6ec;
      color: #1a7f37;
      font-weight: 600;
    }

    /* 10. 商业协同联动专区 */
    .hl-commerce-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .hl-flow-box {
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 30px 24px;
      position: relative;
    }
    .hl-flow-box::after {
      content: "→";
      position: absolute;
      right: -16px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 20px;
      color: var(--hl-brand);
      font-weight: bold;
      z-index: 2;
    }
    .hl-flow-box:last-child::after {
      display: none;
    }
    .hl-flow-num {
      font-size: 12px;
      color: var(--hl-brand);
      font-weight: 800;
      letter-spacing: 0.1em;
      margin-bottom: 12px;
    }
    .hl-flow-box h4 {
      font-size: 17px;
      margin-bottom: 10px;
    }
    .hl-flow-box p {
      font-size: 13.5px;
      color: var(--hl-text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 11. 社区文化与公约倡议 */
    .hl-pledge-wrap {
      background: #ffffff;
      border-left: 4px solid var(--hl-brand);
      border-radius: 0 var(--hl-radius) var(--hl-radius) 0;
      padding: 44px;
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-pledge-grid {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 40px;
      align-items: center;
    }
    .hl-pledge-text h3 {
      font-size: 24px;
      margin-bottom: 14px;
    }
    .hl-pledge-text p {
      font-size: 15px;
      color: var(--hl-text-muted);
      line-height: 1.8;
      margin: 0;
    }
    .hl-pledge-items {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .hl-pledge-item {
      background: var(--hl-bg-light);
      padding: 16px 20px;
      border-radius: 6px;
      border: 1px solid var(--hl-border-subtle);
    }
    .hl-pledge-item strong {
      display: block;
      font-size: 14px;
      color: var(--hl-dark);
      margin-bottom: 4px;
    }
    .hl-pledge-item span {
      font-size: 13px;
      color: var(--hl-text-muted);
    }

    /* 12. 极简折叠问答 FAQ */
    .hl-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .hl-faq-item {
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      overflow: hidden;
      transition: var(--hl-transition);
    }
    .hl-faq-summary {
      padding: 22px 28px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 16px;
      font-weight: 700;
      color: var(--hl-dark);
      user-select: none;
    }
    .hl-faq-summary::-webkit-details-marker {
      display: none;
    }
    .hl-faq-summary::after {
      content: "+";
      font-size: 20px;
      color: var(--hl-brand);
      font-weight: 400;
      transition: transform 0.2s ease;
    }
    details[open] .hl-faq-summary::after {
      content: "−";
    }
    .hl-faq-answer {
      padding: 0 28px 24px;
      font-size: 14.5px;
      color: var(--hl-text-muted);
      line-height: 1.8;
      border-top: 1px dashed rgba(22, 25, 30, 0.06);
      padding-top: 16px;
    }

    /* 13. 终极入驻/参与报名入口 (Bottom CTA) */
    .hl-cta-card {
      background: linear-gradient(135deg, #1c2028 0%, #16191e 100%);
      border-radius: 12px;
      padding: 64px 48px;
      text-align: center;
      color: #ffffff;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
    }
    .hl-cta-card h2 {
      font-size: 36px;
      color: #ffffff;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }
    .hl-cta-card p {
      font-size: 16px;
      color: #aeb4c0;
      max-width: 680px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }
    .hl-cta-form-line {
      display: inline-flex;
      max-width: 520px;
      width: 100%;
      gap: 12px;
      margin-bottom: 20px;
    }
    .hl-cta-input {
      flex-grow: 1;
      height: 48px;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
      padding: 0 16px;
      color: #ffffff;
      font-size: 14px;
      outline: none;
      transition: var(--hl-transition);
    }
    .hl-cta-input:focus {
      border-color: var(--hl-brand);
      background: rgba(255, 255, 255, 0.12);
    }
    .hl-cta-note {
      font-size: 12.5px;
      color: #7b8392;
    }

    /* Footer 全站通用页脚 */
    .hl-footer {
      background: #121418;
      color: #9298a4;
      padding: 80px 0 36px;
      font-size: 14px;
      border-top: 1px solid #20242c;
    }
    .hl-footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 60px;
    }
    .hl-footer-brand {
      color: #ffffff;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .hl-footer-brand-p {
      line-height: 1.75;
      font-size: 13.5px;
      color: #787f8d;
    }
    .hl-footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      letter-spacing: 0.04em;
    }
    .hl-footer-links li {
      margin-bottom: 10px;
    }
    .hl-footer-links a {
      color: #9298a4;
      font-size: 13.5px;
    }
    .hl-footer-links a:hover {
      color: var(--hl-brand);
    }
    .hl-footer-bottom {
      border-top: 1px solid #1f232b;
      padding-top: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12.5px;
      color: #636976;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hl-card-grid-3, .hl-tier-grid, .hl-testimonials-grid, .hl-news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hl-steps-grid, .hl-commerce-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .hl-flow-box:nth-child(2)::after {
        display: none;
      }
      .hl-footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hl-hero-angled::before {
        width: 80%;
      }
    }
    @media (max-width: 768px) {
      .hl-section {
        padding: 64px 0;
      }
      .hl-hero-angled {
        padding: 64px 0 80px;
      }
      .hl-hero-h1 {
        font-size: 32px;
      }
      .hl-hero-angled::before {
        display: none;
      }
      .hl-card-grid-3, .hl-tier-grid, .hl-testimonials-grid, .hl-news-grid, .hl-steps-grid, .hl-commerce-flow, .hl-perks-row, .hl-pledge-grid {
        grid-template-columns: 1fr;
      }
      .hl-flow-box::after {
        display: none;
      }
      .hl-countdown-wrap {
        flex-direction: column;
        align-items: flex-start;
      }
      .hl-window-grid {
        grid-template-columns: 1fr;
      }
      .hl-win-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--hl-border);
      }
      .hl-win-stat-cards {
        grid-template-columns: 1fr;
      }
      .hl-footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .hl-cta-card {
        padding: 40px 24px;
      }
      .hl-cta-form-line {
        flex-direction: column;
      }
      .hl-nav-menu {
        display: none;
      }
    }

/* roulang page: category1 */
:root {
      --hl-dark: #16191e;
      --hl-brand: #c8633f;
      --hl-brand-light: #fbeee8;
      --hl-brand-hover: #b05332;
      --hl-bg-light: #f8f7f4;
      --hl-white: #ffffff;
      --hl-border: #e5e3dc;
      --hl-border-subtle: rgba(22, 25, 30, 0.08);
      --hl-text-main: #3a3e45;
      --hl-text-muted: #767a82;
      --hl-text-faint: #a0a4ac;
      --hl-radius: 8px;
      --hl-shadow-sm: 0 4px 16px rgba(22, 25, 30, 0.04);
      --hl-shadow-md: 0 10px 30px rgba(22, 25, 30, 0.07);
      --hl-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--hl-text-main);
      background-color: var(--hl-white);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--hl-transition); }
    a:hover, a:focus { color: var(--hl-brand); text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }

    .hl-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .hl-section {
      padding: 88px 0;
      position: relative;
    }
    .hl-section-alt {
      background-color: var(--hl-bg-light);
    }
    .hl-section-dark {
      background-color: var(--hl-dark);
      color: #eaecef;
    }
    .hl-section-dark h2, .hl-section-dark h3, .hl-section-dark p {
      color: #ffffff;
    }

    /* Header */
    .hl-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--hl-border-subtle);
      transition: var(--hl-transition);
    }
    .hl-nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .hl-brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      color: var(--hl-dark);
      letter-spacing: -0.03em;
    }
    .hl-brand-logo:hover {
      color: var(--hl-dark);
    }
    .hl-brand-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--hl-dark) 0%, var(--hl-brand) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
    }
    .hl-nav-menu {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .hl-nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--hl-dark);
      position: relative;
      padding: 6px 0;
    }
    .hl-nav-link.active, .hl-nav-link:hover {
      color: var(--hl-brand);
    }
    .hl-nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--hl-brand);
      border-radius: 2px;
    }
    .hl-nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .hl-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--hl-transition);
      border: 1px solid transparent;
      text-align: center;
    }
    .hl-btn-primary {
      background-color: var(--hl-brand);
      color: #ffffff;
    }
    .hl-btn-primary:hover {
      background-color: var(--hl-brand-hover);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(200, 99, 63, 0.28);
    }
    .hl-btn-dark {
      background-color: var(--hl-dark);
      color: #ffffff;
    }
    .hl-btn-dark:hover {
      background-color: #2a2f38;
      color: #ffffff;
      transform: translateY(-2px);
    }
    .hl-btn-outline {
      background-color: transparent;
      border-color: var(--hl-border);
      color: var(--hl-dark);
    }
    .hl-btn-outline:hover {
      border-color: var(--hl-dark);
      color: var(--hl-dark);
      background-color: rgba(22, 25, 30, 0.02);
    }

    /* Section Typography Header */
    .hl-section-header {
      margin-bottom: 50px;
    }
    .hl-section-header.text-center {
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .hl-tag-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--hl-brand);
      background-color: var(--hl-brand-light);
      padding: 4px 12px;
      border-radius: 30px;
      margin-bottom: 14px;
    }
    .hl-section-title {
      font-size: 32px;
      letter-spacing: -0.02em;
      margin-bottom: 14px;
      color: var(--hl-dark);
      font-weight: 700;
    }
    .hl-section-desc {
      font-size: 15px;
      color: var(--hl-text-muted);
      max-width: 720px;
      line-height: 1.8;
      margin: 0 auto;
    }

    /* 1. 分类首屏：线索获客提问式首屏，痛点一句 + 表单入口 */
    .hl-cat-hero {
      padding: 72px 0 84px;
      background: linear-gradient(180deg, var(--hl-bg-light) 0%, #ffffff 100%);
      border-bottom: 1px solid var(--hl-border-subtle);
    }
    .hl-hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .hl-hero-h1 {
      font-size: 40px;
      line-height: 1.3;
      color: var(--hl-dark);
      margin-bottom: 18px;
      letter-spacing: -0.02em;
      font-weight: 800;
    }
    .hl-hero-h1 span.hl-h1-accent {
      color: var(--hl-brand);
    }
    .hl-lead-pain {
      font-size: 18px;
      color: var(--hl-text-main);
      font-weight: 600;
      margin-bottom: 14px;
      border-left: 3px solid var(--hl-brand);
      padding-left: 14px;
    }
    .hl-hero-intro {
      font-size: 15px;
      color: var(--hl-text-muted);
      line-height: 1.85;
      margin-bottom: 28px;
    }
    .hl-fast-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .hl-pill-item {
      font-size: 13px;
      background: #ffffff;
      border: 1px solid var(--hl-border);
      padding: 5px 14px;
      border-radius: 20px;
      color: var(--hl-text-main);
    }
    /* 表单线索卡片 */
    .hl-inquiry-box {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 36px 32px;
      box-shadow: var(--hl-shadow-md);
    }
    .hl-inquiry-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 8px;
    }
    .hl-inquiry-desc {
      font-size: 13px;
      color: var(--hl-text-muted);
      margin-bottom: 22px;
    }
    .hl-form-row {
      margin-bottom: 16px;
    }
    .hl-form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--hl-dark);
      margin-bottom: 6px;
    }
    .hl-form-input, .hl-form-select {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      font-size: 14px;
      border: 1px solid var(--hl-border);
      border-radius: 6px;
      background-color: var(--hl-bg-light);
      color: var(--hl-text-main);
      box-sizing: border-box;
      outline: none;
      transition: var(--hl-transition);
    }
    .hl-form-input:focus, .hl-form-select:focus {
      border-color: var(--hl-brand);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(200, 99, 63, 0.12);
    }
    .hl-form-hint {
      font-size: 12px;
      color: var(--hl-text-faint);
      margin-top: 8px;
      text-align: center;
    }

    /* 2. 核心服务卡片矩阵 */
    .hl-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hl-matrix-card {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 32px 28px;
      box-shadow: var(--hl-shadow-sm);
      transition: var(--hl-transition);
      display: flex;
      flex-direction: column;
    }
    .hl-matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--hl-shadow-md);
      border-color: rgba(200, 99, 63, 0.35);
    }
    .hl-card-icon-wrap {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background-color: var(--hl-brand-light);
      color: var(--hl-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .hl-matrix-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 12px;
    }
    .hl-matrix-card p {
      font-size: 14px;
      color: var(--hl-text-muted);
      line-height: 1.75;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .hl-matrix-points {
      list-style: none;
      padding: 0;
      margin: 0 0 20px 0;
      border-top: 1px solid var(--hl-border-subtle);
      padding-top: 14px;
    }
    .hl-matrix-points li {
      font-size: 13px;
      color: var(--hl-text-main);
      margin-bottom: 6px;
      position: relative;
      padding-left: 14px;
    }
    .hl-matrix-points li::before {
      content: "•";
      position: absolute;
      left: 0;
      color: var(--hl-brand);
      font-weight: bold;
    }

    /* 3. 精选深度专题与高频办事指南 */
    .hl-feature-guide {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 40px;
      box-shadow: var(--hl-shadow-sm);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .hl-guide-badge {
      display: inline-block;
      font-size: 12px;
      background: var(--hl-dark);
      color: #ffffff;
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .hl-guide-title {
      font-size: 26px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }
    .hl-guide-desc {
      font-size: 14px;
      color: var(--hl-text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .hl-guide-checklist {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }
    .hl-chk-item {
      font-size: 13px;
      background: var(--hl-bg-light);
      padding: 8px 12px;
      border-radius: 6px;
      color: var(--hl-text-main);
    }
    .hl-guide-panel {
      background: var(--hl-bg-light);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 28px;
    }
    .hl-panel-item {
      border-bottom: 1px solid var(--hl-border);
      padding-bottom: 14px;
      margin-bottom: 14px;
    }
    .hl-panel-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
      margin-bottom: 0;
    }
    .hl-panel-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 4px;
    }
    .hl-panel-item p {
      font-size: 13px;
      color: var(--hl-text-muted);
      margin: 0;
    }

    /* 4. 推荐服务名录与共建主体 */
    .hl-directory-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .hl-dir-card {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 24px;
      text-align: center;
      transition: var(--hl-transition);
    }
    .hl-dir-card:hover {
      border-color: var(--hl-brand);
      transform: translateY(-3px);
    }
    .hl-dir-avatar {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--hl-bg-light);
      color: var(--hl-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-weight: 800;
      font-size: 18px;
      border: 2px solid var(--hl-border);
    }
    .hl-dir-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 4px;
    }
    .hl-dir-role {
      font-size: 12px;
      color: var(--hl-brand);
      font-weight: 600;
      margin-bottom: 10px;
    }
    .hl-dir-summary {
      font-size: 13px;
      color: var(--hl-text-muted);
      line-height: 1.6;
      margin: 0;
    }

    /* 5. 服务响应标准流程 */
    .hl-flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .hl-step-card {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 28px 20px;
      position: relative;
    }
    .hl-step-num {
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.05em;
      color: var(--hl-brand);
      margin-bottom: 10px;
    }
    .hl-step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 8px;
    }
    .hl-step-card p {
      font-size: 13px;
      color: var(--hl-text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 6. 最新资讯列表 (CMS) */
    .hl-news-matrix {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hl-news-item {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 28px;
      box-shadow: var(--hl-shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--hl-transition);
    }
    .hl-news-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--hl-shadow-md);
      border-color: var(--hl-brand);
    }
    .hl-news-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--hl-text-faint);
      margin-bottom: 12px;
    }
    .hl-news-badge {
      background: var(--hl-brand-light);
      color: var(--hl-brand);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .hl-news-item h3 {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--hl-dark);
      margin-bottom: 10px;
    }
    .hl-news-item p {
      font-size: 13px;
      color: var(--hl-text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .hl-news-read {
      font-size: 13px;
      font-weight: 600;
      color: var(--hl-brand);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hl-empty-placeholder {
      grid-column: 1 / -1;
      text-align: center;
      padding: 60px 20px;
      background: #ffffff;
      border: 1px dashed var(--hl-border);
      border-radius: var(--hl-radius);
      color: var(--hl-text-faint);
      font-size: 15px;
    }

    /* 7. FAQ 折叠手风琴 */
    .hl-faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .hl-faq-item {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--hl-transition);
    }
    .hl-faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--hl-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .hl-faq-question::after {
      content: "+";
      font-size: 20px;
      font-weight: 400;
      color: var(--hl-brand);
      transition: transform 0.2s ease;
    }
    .hl-faq-item.is-open .hl-faq-question::after {
      content: "−";
    }
    .hl-faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--hl-text-muted);
      line-height: 1.8;
      display: none;
      border-top: 1px solid var(--hl-border-subtle);
      padding-top: 16px;
    }
    .hl-faq-item.is-open .hl-faq-answer {
      display: block;
    }

    /* 8. 便民服务响应转化区 */
    .hl-cta-bar {
      background: linear-gradient(135deg, var(--hl-dark) 0%, #20252e 100%);
      color: #ffffff;
      border-radius: var(--hl-radius);
      padding: 56px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }
    .hl-cta-content h3 {
      font-size: 28px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 10px;
      letter-spacing: -0.02em;
    }
    .hl-cta-content p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.75);
      margin: 0;
      max-width: 620px;
      line-height: 1.75;
    }
    .hl-cta-action {
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: flex-end;
    }

    /* Footer */
    .hl-footer {
      background-color: var(--hl-dark);
      color: rgba(255, 255, 255, 0.72);
      padding: 72px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .hl-footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .hl-footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .hl-footer-brand-p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.8;
      max-width: 360px;
    }
    .hl-footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }
    .hl-footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .hl-footer-links li {
      margin-bottom: 10px;
    }
    .hl-footer-links a {
      color: rgba(255, 255, 255, 0.65);
    }
    .hl-footer-links a:hover {
      color: #ffffff;
    }
    .hl-footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.45);
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 移动端适配响应式 */
    @media (max-width: 1024px) {
      .hl-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .hl-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hl-directory-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hl-flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .hl-news-matrix {
        grid-template-columns: repeat(2, 1fr);
      }
      .hl-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
    }
    @media (max-width: 768px) {
      .hl-section {
        padding: 64px 0;
      }
      .hl-feature-guide {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .hl-matrix-grid {
        grid-template-columns: 1fr;
      }
      .hl-directory-grid {
        grid-template-columns: 1fr;
      }
      .hl-flow-steps {
        grid-template-columns: 1fr;
      }
      .hl-news-matrix {
        grid-template-columns: 1fr;
      }
      .hl-cta-bar {
        flex-direction: column;
        align-items: flex-start;
        padding: 36px 24px;
      }
      .hl-cta-action {
        align-items: flex-start;
        width: 100%;
      }
      .hl-cta-action .hl-btn {
        width: 100%;
      }
      .hl-footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .hl-nav-bar {
        height: 64px;
      }
      .hl-nav-menu {
        gap: 18px;
      }
      .hl-nav-action {
        display: none;
      }
      .hl-hero-h1 {
        font-size: 28px;
      }
      .hl-section-title {
        font-size: 26px;
      }
    }

/* roulang page: article */
:root {
      --hl-dark: #16191e;
      --hl-brand: #c8633f;
      --hl-brand-light: #fbeee8;
      --hl-brand-hover: #b05332;
      --hl-bg-light: #f8f7f4;
      --hl-white: #ffffff;
      --hl-border: #e5e3dc;
      --hl-border-subtle: rgba(22, 25, 30, 0.08);
      --hl-text-main: #3a3e45;
      --hl-text-muted: #767a82;
      --hl-text-faint: #a0a4ac;
      --hl-radius: 8px;
      --hl-shadow-sm: 0 4px 16px rgba(22, 25, 30, 0.04);
      --hl-shadow-md: 0 10px 30px rgba(22, 25, 30, 0.07);
      --hl-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--hl-text-main);
      background-color: var(--hl-white);
      line-height: 1.85;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--hl-transition);
    }
    a:hover, a:focus {
      color: var(--hl-brand);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .hl-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .hl-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--hl-border-subtle);
      transition: var(--hl-transition);
    }
    .hl-nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .hl-brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      color: var(--hl-dark);
      letter-spacing: -0.03em;
    }
    .hl-brand-logo:hover {
      color: var(--hl-dark);
    }
    .hl-brand-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--hl-dark) 0%, var(--hl-brand) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
    }
    .hl-nav-menu {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .hl-nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--hl-dark);
      position: relative;
      padding: 6px 0;
    }
    .hl-nav-link.active, .hl-nav-link:hover {
      color: var(--hl-brand);
    }
    .hl-nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--hl-brand);
      border-radius: 2px;
    }
    .hl-nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .hl-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--hl-transition);
      border: 1px solid transparent;
      text-align: center;
    }
    .hl-btn-primary {
      background-color: var(--hl-brand);
      color: #ffffff;
    }
    .hl-btn-primary:hover {
      background-color: var(--hl-brand-hover);
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(200, 99, 63, 0.28);
    }
    .hl-btn-outline {
      background-color: transparent;
      border-color: var(--hl-border);
      color: var(--hl-dark);
    }
    .hl-btn-outline:hover {
      border-color: var(--hl-dark);
      color: var(--hl-dark);
      background-color: rgba(22, 25, 30, 0.02);
    }
    .hl-article-wrapper {
      padding: 48px 0 96px;
      background: var(--hl-white);
    }
    .hl-reading-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .hl-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--hl-text-faint);
      margin-bottom: 24px;
      flex-wrap: wrap;
    }
    .hl-breadcrumb a {
      color: var(--hl-text-muted);
    }
    .hl-breadcrumb a:hover {
      color: var(--hl-brand);
    }
    .hl-breadcrumb-separator {
      color: var(--hl-border);
    }
    .hl-article-header {
      margin-bottom: 36px;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--hl-border-subtle);
    }
    .hl-article-category-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: var(--hl-brand);
      background-color: var(--hl-brand-light);
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .hl-article-h1 {
      font-size: 36px;
      line-height: 1.35;
      font-weight: 800;
      color: var(--hl-dark);
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }
    .hl-article-meta {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 14px;
      color: var(--hl-text-muted);
      flex-wrap: wrap;
    }
    .hl-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hl-meta-item strong {
      color: var(--hl-dark);
      font-weight: 600;
    }
    .hl-abstract-box {
      background-color: var(--hl-bg-light);
      border-left: 4px solid var(--hl-brand);
      border-radius: 0 var(--hl-radius) var(--hl-radius) 0;
      padding: 24px 28px;
      margin-bottom: 44px;
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-abstract-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--hl-brand);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }
    .hl-abstract-p {
      font-size: 15px;
      line-height: 1.8;
      color: var(--hl-text-main);
      margin: 0;
    }
    .hl-article-body {
      font-size: 17px;
      line-height: 1.95;
      color: var(--hl-text-main);
      margin-bottom: 60px;
      word-break: break-word;
    }
    .hl-article-body h2 {
      font-size: 26px;
      font-weight: 700;
      color: var(--hl-dark);
      margin: 44px 0 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--hl-border);
      position: relative;
    }
    .hl-article-body h2::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 48px;
      height: 2px;
      background: var(--hl-brand);
    }
    .hl-article-body h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--hl-dark);
      margin: 32px 0 16px;
    }
    .hl-article-body p {
      margin-bottom: 24px;
    }
    .hl-article-body ul, .hl-article-body ol {
      margin: 0 0 28px 24px;
      padding: 0;
    }
    .hl-article-body li {
      margin-bottom: 10px;
      line-height: 1.8;
    }
    .hl-article-body blockquote {
      margin: 30px 0;
      padding: 20px 24px;
      background: var(--hl-bg-light);
      border-left: 3px solid var(--hl-dark);
      color: var(--hl-text-main);
      font-size: 16px;
      font-style: normal;
      border-radius: 0 var(--hl-radius) var(--hl-radius) 0;
    }
    .hl-article-body img {
      margin: 32px auto;
      border-radius: var(--hl-radius);
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-empty-state {
      padding: 80px 24px;
      text-align: center;
      background: var(--hl-bg-light);
      border-radius: var(--hl-radius);
      margin: 40px 0;
      border: 1px dashed var(--hl-border);
    }
    .hl-empty-state h3 {
      font-size: 22px;
      color: var(--hl-dark);
      margin-bottom: 12px;
    }
    .hl-empty-state p {
      color: var(--hl-text-muted);
      margin-bottom: 24px;
      font-size: 15px;
    }
    .hl-author-card {
      background-color: var(--hl-bg-light);
      border: 1px solid var(--hl-border-subtle);
      border-radius: var(--hl-radius);
      padding: 28px;
      display: flex;
      align-items: center;
      gap: 24px;
      margin-bottom: 48px;
    }
    .hl-author-avatar {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--hl-brand) 0%, var(--hl-dark) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 700;
      flex-shrink: 0;
    }
    .hl-author-info {
      flex: 1;
    }
    .hl-author-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .hl-author-tag {
      font-size: 11px;
      background: #ffffff;
      border: 1px solid var(--hl-border);
      padding: 2px 8px;
      border-radius: 20px;
      color: var(--hl-brand);
    }
    .hl-author-desc {
      font-size: 13px;
      color: var(--hl-text-muted);
      line-height: 1.6;
      margin: 0;
    }
    .hl-post-nav-bar {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 60px;
      padding-top: 32px;
      border-top: 1px solid var(--hl-border-subtle);
    }
    .hl-post-nav-item {
      padding: 20px;
      background: var(--hl-white);
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      display: flex;
      flex-direction: column;
      justify-content: center;
      transition: var(--hl-transition);
    }
    .hl-post-nav-item:hover {
      border-color: var(--hl-brand);
      transform: translateY(-2px);
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-post-nav-label {
      font-size: 12px;
      font-weight: 600;
      color: var(--hl-text-faint);
      margin-bottom: 6px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .hl-post-nav-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--hl-dark);
      line-height: 1.4;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .hl-section-rel {
      padding: 64px 0;
      background-color: var(--hl-bg-light);
      border-top: 1px solid var(--hl-border-subtle);
    }
    .hl-section-header {
      margin-bottom: 40px;
    }
    .hl-section-title {
      font-size: 26px;
      letter-spacing: -0.02em;
      color: var(--hl-dark);
      margin-bottom: 8px;
    }
    .hl-section-desc {
      font-size: 14px;
      color: var(--hl-text-muted);
      line-height: 1.6;
    }
    .hl-rel-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .hl-rel-card {
      background: var(--hl-white);
      border: 1px solid var(--hl-border-subtle);
      border-radius: var(--hl-radius);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--hl-transition);
      box-shadow: var(--hl-shadow-sm);
    }
    .hl-rel-card:hover {
      border-color: var(--hl-brand);
      transform: translateY(-4px);
      box-shadow: var(--hl-shadow-md);
    }
    .hl-rel-card-cat {
      font-size: 12px;
      font-weight: 600;
      color: var(--hl-brand);
      margin-bottom: 12px;
    }
    .hl-rel-card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--hl-dark);
      line-height: 1.5;
      margin-bottom: 12px;
    }
    .hl-rel-card-date {
      font-size: 12px;
      color: var(--hl-text-faint);
    }
    .hl-interact-box {
      background: #ffffff;
      border: 1px solid var(--hl-border);
      border-radius: var(--hl-radius);
      padding: 32px;
      margin-top: 48px;
    }
    .hl-interact-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--hl-dark);
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--hl-border-subtle);
    }
    .hl-comment-mock {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px dashed var(--hl-border-subtle);
    }
    .hl-comment-mock:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    .hl-comment-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #eaecef;
      color: var(--hl-text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      flex-shrink: 0;
    }
    .hl-comment-content {
      flex: 1;
    }
    .hl-comment-user {
      font-size: 14px;
      font-weight: 600;
      color: var(--hl-dark);
      margin-bottom: 4px;
    }
    .hl-comment-text {
      font-size: 14px;
      color: var(--hl-text-main);
      line-height: 1.6;
      margin: 0;
    }
    .hl-comment-date {
      font-size: 11px;
      color: var(--hl-text-faint);
      margin-top: 6px;
    }
    .hl-footer {
      background-color: #121418;
      color: #9aa0a6;
      padding: 72px 0 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .hl-footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .hl-footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }
    .hl-footer-brand-p {
      line-height: 1.75;
      font-size: 13px;
      color: #80868b;
      max-width: 320px;
    }
    .hl-footer-title {
      font-size: 15px;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 18px;
      letter-spacing: 0.02em;
    }
    .hl-footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .hl-footer-links li {
      margin-bottom: 10px;
    }
    .hl-footer-links a {
      color: #9aa0a6;
      font-size: 13px;
    }
    .hl-footer-links a:hover {
      color: var(--hl-brand);
    }
    .hl-footer-bottom {
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #5f6368;
      flex-wrap: wrap;
      gap: 16px;
    }
    @media (max-width: 1024px) {
      .hl-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
      .hl-rel-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .hl-nav-menu {
        gap: 20px;
      }
      .hl-article-h1 {
        font-size: 28px;
      }
      .hl-post-nav-bar {
        grid-template-columns: 1fr;
      }
      .hl-rel-grid {
        grid-template-columns: 1fr;
      }
      .hl-author-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
    }
    @media (max-width: 520px) {
      .hl-nav-action {
        display: none;
      }
      .hl-footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .hl-article-wrapper {
        padding: 32px 0 64px;
      }
    }