/* roulang page: index */
:root {
      --color-primary: #1C8C7A;
      --color-primary-dark: #126C5E;
      --color-primary-soft: #E5F4F0;
      --color-primary-lighter: #F0FAF7;
      --color-accent: #F2A65A;
      --color-accent-soft: #FFF1DF;
      --color-bg: #F7F4EC;
      --color-bg-alt: #F4F7F3;
      --color-surface: #FFFFFF;
      --color-text: #23312D;
      --color-muted: #6B7A75;
      --color-subtle: #8D9B96;
      --color-border: #DDE7E2;
      --color-footer: #18302B;
      --shadow-sm: 0 8px 22px rgba(30, 70, 61, 0.08);
      --shadow-md: 0 18px 44px rgba(30, 70, 61, 0.12);
      --shadow-lg: 0 26px 70px rgba(30, 70, 61, 0.16);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 24px;
      --radius-xl: 34px;
      --container: 1200px;
      --transition: 180ms ease;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 12%, rgba(28, 140, 122, 0.10), transparent 28%),
        radial-gradient(circle at 92% 4%, rgba(242, 166, 90, 0.14), transparent 30%),
        linear-gradient(180deg, #FBF8F0 0%, var(--color-bg-alt) 45%, #FFFFFF 100%);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }

    body.menu-open {
      overflow: hidden;
    }

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

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input,
    textarea,
    select {
      width: 100%;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--color-text);
      padding: 13px 15px;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: rgba(28, 140, 122, 0.78);
      box-shadow: 0 0 0 4px rgba(28, 140, 122, 0.14);
      background: #FFFFFF;
    }

    input.is-error,
    textarea.is-error {
      border-color: #D96A5B;
      box-shadow: 0 0 0 4px rgba(217, 106, 91, 0.12);
    }

    textarea {
      min-height: 128px;
      resize: vertical;
    }

    ::selection {
      color: #FFFFFF;
      background: var(--color-primary);
    }

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

    .skip-link {
      position: absolute;
      left: 18px;
      top: -80px;
      z-index: 999;
      padding: 10px 16px;
      border-radius: 999px;
      color: #FFFFFF;
      background: var(--color-primary);
      box-shadow: var(--shadow-md);
    }

    .skip-link:focus {
      top: 18px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid rgba(221, 231, 226, 0.76);
      background: rgba(255, 253, 247, 0.88);
      backdrop-filter: blur(16px);
      box-shadow: 0 10px 26px rgba(24, 48, 43, 0.05);
    }

    .nav-wrap {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #FFFFFF;
      background:
        linear-gradient(135deg, var(--color-primary), #3FB59F),
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.45), transparent 35%);
      box-shadow: 0 12px 28px rgba(28, 140, 122, 0.24);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      width: 0;
      height: 0;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 12px solid #FFFFFF;
      margin-left: 3px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

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

    .brand-sub {
      margin-top: 4px;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-muted);
      letter-spacing: 0.04em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--color-muted);
      font-weight: 700;
      font-size: 15px;
      position: relative;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      outline: none;
    }

    .nav-links a.active {
      color: #FFFFFF;
      background: var(--color-primary);
      box-shadow: 0 10px 24px rgba(28, 140, 122, 0.18);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 17px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: #FFFFFF;
      border: 1px solid rgba(28, 140, 122, 0.24);
      font-weight: 800;
      box-shadow: var(--shadow-sm);
    }

    .nav-action:hover,
    .nav-action:focus-visible {
      color: #FFFFFF;
      background: var(--color-primary);
      border-color: var(--color-primary);
      transform: translateY(-1px);
      outline: none;
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--transition), opacity var(--transition);
    }

    .menu-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 66px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--color-primary-dark);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.08em;
    }

    .section-kicker::before {
      content: "";
      width: 28px;
      height: 3px;
      border-radius: 999px;
      background: var(--color-accent);
    }

    h1,
    h2,
    h3 {
      margin: 0;
      line-height: 1.2;
      color: var(--color-text);
      letter-spacing: -0.035em;
    }

    h1 {
      font-size: clamp(34px, 5vw, 56px);
      max-width: 760px;
    }

    h2 {
      font-size: clamp(28px, 3.2vw, 38px);
    }

    h3 {
      font-size: 22px;
    }

    p {
      margin: 0;
    }

    .lead {
      color: var(--color-muted);
      font-size: 18px;
      line-height: 1.9;
    }

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

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 13px 21px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
      transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      color: #FFFFFF;
      background: var(--color-primary);
      box-shadow: 0 16px 32px rgba(28, 140, 122, 0.22);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      color: #FFFFFF;
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 20px 38px rgba(28, 140, 122, 0.28);
      outline: none;
    }

    .btn-secondary {
      color: var(--color-primary-dark);
      background: rgba(255,255,255,0.72);
      border: 1px solid rgba(28, 140, 122, 0.28);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: var(--color-primary-soft);
      border-color: rgba(28, 140, 122, 0.52);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-ghost {
      color: var(--color-primary-dark);
      background: transparent;
      padding-inline: 0;
    }

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      color: var(--color-primary);
      transform: translateX(4px);
      outline: none;
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      line-height: 1;
      white-space: nowrap;
    }

    .badge {
      padding: 8px 11px;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border: 1px solid rgba(28, 140, 122, 0.14);
    }

    .badge.accent {
      color: #87501B;
      background: var(--color-accent-soft);
      border-color: rgba(242, 166, 90, 0.24);
    }

    .tag {
      padding: 7px 10px;
      color: var(--color-muted);
      background: #F7FAF8;
      border: 1px solid var(--color-border);
    }

    .hero {
      padding: 78px 0 70px;
      min-height: 680px;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(247,244,236,0.98) 0%, rgba(247,244,236,0.90) 48%, rgba(247,244,236,0.68) 100%),
        url("/assets/images/backpic/back-1.webp") center right / cover no-repeat;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -8%;
      top: 18%;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(28, 140, 122, 0.12);
      filter: blur(8px);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(390px, 0.78fr);
      align-items: center;
      gap: 54px;
    }

    .hero-copy {
      display: grid;
      gap: 24px;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-title .highlight {
      color: var(--color-primary-dark);
      position: relative;
      display: inline-block;
    }

    .hero-title .highlight::after {
      content: "";
      position: absolute;
      left: 2px;
      right: 2px;
      bottom: 5px;
      height: 12px;
      border-radius: 999px;
      background: rgba(242, 166, 90, 0.34);
      z-index: -1;
    }

    .hero-note {
      display: flex;
      align-items: center;
      gap: 12px;
      max-width: 650px;
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,0.66);
      border: 1px solid rgba(221, 231, 226, 0.82);
      box-shadow: var(--shadow-sm);
      color: var(--color-muted);
      font-size: 14px;
    }

    .hero-note strong {
      color: var(--color-text);
    }

    .visual-board {
      position: relative;
      min-height: 500px;
    }

    .feature-collage {
      position: absolute;
      inset: 0;
      display: grid;
      grid-template-columns: 1fr 0.72fr;
      grid-template-rows: 0.72fr 1fr;
      gap: 16px;
    }

    .collage-card {
      overflow: hidden;
      border-radius: 28px;
      background: #FFFFFF;
      border: 1px solid rgba(255,255,255,0.78);
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .collage-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .collage-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 35%, rgba(24, 48, 43, 0.54) 100%);
      pointer-events: none;
    }

    .collage-card.large {
      grid-row: 1 / span 2;
    }

    .collage-caption {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      color: #FFFFFF;
      z-index: 2;
    }

    .collage-caption span {
      display: inline-flex;
      margin-bottom: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,0.20);
      backdrop-filter: blur(8px);
      font-size: 12px;
      font-weight: 800;
    }

    .collage-caption b {
      display: block;
      font-size: 19px;
      line-height: 1.35;
    }

    .floating-panel {
      position: absolute;
      left: -26px;
      bottom: 34px;
      width: min(310px, 80%);
      border-radius: 24px;
      padding: 18px;
      background: rgba(255,255,255,0.92);
      border: 1px solid rgba(221,231,226,0.92);
      box-shadow: var(--shadow-lg);
      z-index: 5;
    }

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

    .panel-title {
      font-weight: 900;
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 6px rgba(28, 140, 122, 0.14);
    }

    .panel-list {
      display: grid;
      gap: 10px;
    }

    .panel-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px;
      border-radius: 16px;
      background: var(--color-primary-lighter);
    }

    .panel-icon {
      width: 32px;
      height: 32px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: var(--color-primary-dark);
      background: #FFFFFF;
      flex: 0 0 auto;
      font-weight: 900;
    }

    .panel-item p {
      font-size: 13px;
      line-height: 1.45;
      color: var(--color-muted);
    }

    .trust-strip {
      margin-top: -34px;
      position: relative;
      z-index: 6;
    }

    .trust-inner {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      padding: 16px;
      border-radius: 26px;
      background: rgba(255,255,255,0.86);
      border: 1px solid rgba(221,231,226,0.88);
      box-shadow: var(--shadow-md);
      backdrop-filter: blur(14px);
    }

    .trust-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 20px;
      background: linear-gradient(180deg, #FFFFFF, #F8FBF9);
    }

    .trust-icon {
      width: 38px;
      height: 38px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .trust-item b {
      display: block;
      margin-bottom: 2px;
      font-size: 15px;
    }

    .trust-item span {
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.5;
    }

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

    .scene-menu {
      position: sticky;
      top: 100px;
      display: grid;
      gap: 10px;
      padding: 14px;
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: rgba(255,255,255,0.76);
      box-shadow: var(--shadow-sm);
    }

    .scene-menu a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px 15px;
      border-radius: 18px;
      color: var(--color-muted);
      font-weight: 800;
    }

    .scene-menu a:hover,
    .scene-menu a:focus-visible,
    .scene-menu a.active {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      outline: none;
    }

    .scene-cards {
      display: grid;
      gap: 18px;
    }

    .scene-card {
      display: grid;
      grid-template-columns: 104px minmax(0, 1fr) auto;
      align-items: center;
      gap: 20px;
      padding: 22px;
      border-radius: 26px;
      background: rgba(255,255,255,0.84);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .scene-card:hover {
      transform: translateY(-4px);
      border-color: rgba(28, 140, 122, 0.36);
      box-shadow: var(--shadow-md);
    }

    .scene-media {
      width: 104px;
      height: 86px;
      border-radius: 20px;
      overflow: hidden;
      background: var(--color-primary-soft);
    }

    .scene-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .scene-content {
      display: grid;
      gap: 8px;
    }

    .scene-content p {
      color: var(--color-muted);
      line-height: 1.75;
    }

    .scene-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .scene-arrow {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      font-weight: 900;
    }

    .updates {
      background: linear-gradient(180deg, rgba(255,255,255,0.42), rgba(244,247,243,0.94));
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
      gap: 22px;
      align-items: stretch;
    }

    .news-feature,
    .news-item {
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,0.88);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .news-feature:hover,
    .news-item:hover {
      transform: translateY(-3px);
      border-color: rgba(28, 140, 122, 0.34);
      box-shadow: var(--shadow-md);
    }

    .news-feature {
      min-height: 100%;
      border-radius: 30px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .news-cover {
      position: relative;
      aspect-ratio: 16 / 9;
      background: linear-gradient(135deg, var(--color-primary), #63C7B4);
      overflow: hidden;
    }

    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .news-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 45%, rgba(24,48,43,0.52) 100%);
    }

    .news-cover .badge {
      position: absolute;
      left: 18px;
      top: 18px;
      z-index: 2;
      background: rgba(255,255,255,0.88);
    }

    .news-body {
      padding: 24px;
      display: grid;
      gap: 14px;
      flex: 1;
    }

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

    .news-title {
      font-size: 24px;
      line-height: 1.35;
      letter-spacing: -0.025em;
    }

    .news-title a:hover,
    .news-title a:focus-visible,
    .news-list-title a:hover,
    .news-list-title a:focus-visible {
      color: var(--color-primary-dark);
      outline: none;
    }

    .news-summary {
      color: var(--color-muted);
      line-height: 1.85;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 138px minmax(0, 1fr);
      gap: 16px;
      border-radius: 24px;
      padding: 14px;
    }

    .news-thumb {
      height: 126px;
      border-radius: 18px;
      overflow: hidden;
      background: var(--color-primary-soft);
    }

    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .news-list-body {
      display: grid;
      align-content: center;
      gap: 8px;
      min-width: 0;
    }

    .news-list-title {
      font-size: 18px;
      line-height: 1.42;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-list-body .news-summary {
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      font-size: 14px;
      line-height: 1.65;
    }

    .empty-state {
      grid-column: 1 / -1;
      min-height: 220px;
      display: grid;
      place-items: center;
      text-align: center;
      border: 1px dashed rgba(28, 140, 122, 0.32);
      border-radius: 28px;
      background: rgba(255,255,255,0.76);
      color: var(--color-muted);
      font-weight: 800;
      box-shadow: var(--shadow-sm);
    }

    .process-wrap {
      position: relative;
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
    }

    .process-wrap::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 42px;
      height: 2px;
      background: linear-gradient(90deg, rgba(28,140,122,0.18), rgba(242,166,90,0.38), rgba(28,140,122,0.18));
      z-index: 0;
    }

    .step-card {
      position: relative;
      z-index: 1;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255,255,255,0.88);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: rgba(28, 140, 122, 0.32);
      box-shadow: var(--shadow-md);
    }

    .step-number {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      margin-bottom: 20px;
      border-radius: 18px;
      color: #FFFFFF;
      background: var(--color-primary);
      box-shadow: 0 12px 26px rgba(28,140,122,0.20);
      font-weight: 900;
    }

    .step-card h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

    .step-card p {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .capability-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
      grid-auto-rows: minmax(180px, auto);
      gap: 18px;
    }

    .cap-card {
      padding: 24px;
      border-radius: 28px;
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      position: relative;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .cap-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(28, 140, 122, 0.34);
    }

    .cap-card.featured {
      grid-row: span 2;
      color: #FFFFFF;
      background:
        linear-gradient(145deg, rgba(18,108,94,0.94), rgba(28,140,122,0.84)),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
      border-color: rgba(255,255,255,0.28);
      box-shadow: var(--shadow-lg);
    }

    .cap-card.featured h3,
    .cap-card.featured p {
      color: #FFFFFF;
    }

    .cap-card.featured .cap-icon {
      color: #FFFFFF;
      background: rgba(255,255,255,0.18);
      border-color: rgba(255,255,255,0.18);
    }

    .cap-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      margin-bottom: 16px;
      border-radius: 17px;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border: 1px solid rgba(28,140,122,0.12);
      font-weight: 900;
      font-size: 20px;
    }

    .cap-card h3 {
      font-size: 21px;
      margin-bottom: 10px;
    }

    .cap-card p {
      color: var(--color-muted);
      line-height: 1.8;
    }

    .mini-dashboard {
      display: grid;
      gap: 10px;
      margin-top: 24px;
    }

    .dash-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,0.16);
      border: 1px solid rgba(255,255,255,0.14);
      backdrop-filter: blur(8px);
      font-size: 14px;
    }

    .dash-row span:last-child {
      font-weight: 900;
      color: #FFE7CA;
    }

    .proof-band {
      padding: 34px;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.92), rgba(240,250,247,0.82)),
        url("/assets/images/backpic/back-3.jpg") center / cover no-repeat;
      background-blend-mode: screen;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 30px;
      align-items: center;
    }

    .proof-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .proof-item {
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,0.78);
      border: 1px solid rgba(221,231,226,0.78);
    }

    .proof-item b {
      display: block;
      margin-bottom: 6px;
      font-size: 18px;
    }

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

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.82fr 1.18fr;
      gap: 34px;
      align-items: start;
    }

    .faq-aside {
      padding: 28px;
      border-radius: 30px;
      background: var(--color-footer);
      color: #E8F1EC;
      position: sticky;
      top: 102px;
      overflow: hidden;
    }

    .faq-aside::after {
      content: "";
      position: absolute;
      width: 210px;
      height: 210px;
      border-radius: 50%;
      right: -80px;
      bottom: -90px;
      background: rgba(242, 166, 90, 0.22);
    }

    .faq-aside h2 {
      color: #FFFFFF;
      margin-bottom: 14px;
    }

    .faq-aside p {
      color: rgba(232,241,236,0.76);
    }

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

    .faq-item {
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: rgba(255,255,255,0.88);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 20px 22px;
      color: var(--color-text);
      background: transparent;
      text-align: left;
      font-weight: 900;
    }

    .faq-question:hover,
    .faq-question:focus-visible {
      color: var(--color-primary-dark);
      outline: none;
    }

    .faq-question .plus {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      flex: 0 0 auto;
      transition: transform var(--transition);
    }

    .faq-item.active {
      border-color: rgba(28,140,122,0.32);
      background: linear-gradient(90deg, rgba(229,244,240,0.70), rgba(255,255,255,0.96));
    }

    .faq-item.active .plus {
      transform: rotate(45deg);
      background: var(--color-primary);
      color: #FFFFFF;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 220ms ease;
    }

    .faq-answer p {
      padding: 0 22px 22px;
      color: var(--color-muted);
      line-height: 1.85;
      border-left: 3px solid var(--color-primary);
      margin-left: 22px;
      padding-left: 16px;
    }

    .contact-shell {
      position: relative;
      padding: 38px;
      border-radius: 38px;
      background:
        radial-gradient(circle at 88% 16%, rgba(242,166,90,0.22), transparent 26%),
        linear-gradient(135deg, rgba(229,244,240,0.96), rgba(255,248,237,0.92));
      border: 1px solid rgba(221,231,226,0.92);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .contact-shell::before {
      content: "";
      position: absolute;
      inset: auto -40px -70px auto;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(28,140,122,0.12);
    }

    .contact-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 0.86fr 1.14fr;
      gap: 34px;
      align-items: start;
    }

    .contact-copy {
      display: grid;
      gap: 20px;
    }

    .contact-points {
      display: grid;
      gap: 12px;
      margin-top: 8px;
    }

    .contact-point {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--color-muted);
    }

    .contact-point i {
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #FFFFFF;
      background: var(--color-primary);
      font-style: normal;
      font-size: 13px;
      font-weight: 900;
      margin-top: 3px;
      flex: 0 0 auto;
    }

    .contact-form {
      display: grid;
      gap: 15px;
      padding: 22px;
      border-radius: 28px;
      background: rgba(255,255,255,0.84);
      border: 1px solid rgba(221,231,226,0.88);
      box-shadow: var(--shadow-sm);
    }

    .form-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      color: var(--color-text);
      font-size: 14px;
      font-weight: 800;
    }

    .error-tip {
      display: none;
      color: #B85B4E;
      font-size: 13px;
      line-height: 1.4;
    }

    .field.has-error .error-tip {
      display: block;
    }

    .privacy-tip {
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .site-footer {
      padding: 62px 0 26px;
      color: rgba(255,255,255,0.74);
      background:
        radial-gradient(circle at 80% 12%, rgba(242,166,90,0.16), transparent 28%),
        linear-gradient(180deg, #1B3933, var(--color-footer));
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.72fr 0.72fr 0.92fr;
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-brand .brand {
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .footer-brand .brand-sub {
      color: rgba(255,255,255,0.62);
    }

    .footer-brand p,
    .footer-col p {
      color: rgba(255,255,255,0.68);
      line-height: 1.85;
    }

    .footer-col h3 {
      color: #FFFFFF;
      font-size: 17px;
      margin-bottom: 14px;
      letter-spacing: -0.01em;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255,255,255,0.70);
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #FFD9AD;
      outline: none;
      transform: translateX(3px);
    }

    .footer-bottom {
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,0.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: rgba(255,255,255,0.56);
      font-size: 13px;
    }

    .footer-bottom a {
      color: rgba(255,255,255,0.72);
    }

    .footer-bottom a:hover,
    .footer-bottom a:focus-visible {
      color: #FFD9AD;
      outline: none;
    }

    @media (max-width: 1120px) {
      .hero-grid,
      .contact-grid,
      .proof-band {
        grid-template-columns: 1fr;
      }

      .visual-board {
        min-height: 420px;
      }

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

      .scene-layout {
        grid-template-columns: 1fr;
      }

      .scene-menu {
        position: relative;
        top: auto;
        grid-template-columns: repeat(3, 1fr);
      }

      .process-wrap {
        grid-template-columns: repeat(3, 1fr);
      }

      .process-wrap::before {
        display: none;
      }

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

      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .faq-aside {
        position: relative;
        top: auto;
      }

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

    @media (max-width: 900px) {
      .nav-links,
      .nav-action {
        display: none;
      }

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

      .mobile-panel {
        position: fixed;
        inset: 76px 18px auto;
        display: none;
        padding: 14px;
        border-radius: 24px;
        background: rgba(255,253,247,0.96);
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        z-index: 99;
      }

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

      .mobile-panel a {
        display: flex;
        min-height: 48px;
        align-items: center;
        padding: 12px 14px;
        border-radius: 16px;
        color: var(--color-muted);
        font-weight: 800;
      }

      .mobile-panel a:hover,
      .mobile-panel a:focus-visible,
      .mobile-panel a.active {
        color: var(--color-primary-dark);
        background: var(--color-primary-soft);
        outline: none;
      }

      .section {
        padding: 68px 0;
      }

      .hero {
        min-height: auto;
        padding: 58px 0 56px;
      }

      .hero-grid,
      .news-layout {
        grid-template-columns: 1fr;
      }

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

      .scene-card {
        grid-template-columns: 86px minmax(0, 1fr);
      }

      .scene-arrow {
        display: none;
      }

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

    @media (max-width: 680px) {
      .container {
        width: min(100% - 36px, var(--container));
      }

      .brand-sub {
        display: none;
      }

      .nav-wrap {
        height: 68px;
      }

      .mobile-panel {
        inset-top: 68px;
      }

      .hero-note {
        align-items: flex-start;
      }

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

      .trust-inner,
      .scene-menu,
      .process-wrap,
      .capability-grid,
      .proof-list,
      .form-row,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .visual-board {
        min-height: 360px;
      }

      .feature-collage {
        grid-template-columns: 1fr 0.84fr;
        gap: 10px;
      }

      .collage-card {
        border-radius: 22px;
      }

      .floating-panel {
        left: 10px;
        bottom: 10px;
        width: calc(100% - 20px);
      }

      .scene-card {
        grid-template-columns: 1fr;
        padding: 18px;
      }

      .scene-media {
        width: 100%;
        height: 150px;
      }

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

      .news-thumb {
        height: 168px;
      }

      .contact-shell {
        padding: 24px;
        border-radius: 28px;
      }

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

    @media (max-width: 480px) {
      body {
        font-size: 15px;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 28px;
      }

      .section {
        padding: 56px 0;
      }

      .hero {
        padding-top: 46px;
      }

      .hero-badges {
        gap: 8px;
      }

      .badge,
      .tag {
        font-size: 12px;
      }

      .news-body,
      .cap-card,
      .faq-aside,
      .contact-form {
        padding: 20px;
      }
    }

/* roulang page: article */
:root {
      --color-primary: #1C8C7A;
      --color-primary-dark: #126C5E;
      --color-primary-soft: #E5F4F0;
      --color-primary-lighter: #F0FAF7;
      --color-accent: #F2A65A;
      --color-accent-soft: #FFF1DF;
      --color-bg: #F7F4EC;
      --color-bg-alt: #F4F7F3;
      --color-surface: #FFFFFF;
      --color-text: #23312D;
      --color-muted: #6B7A75;
      --color-subtle: #8D9B96;
      --color-border: #DDE7E2;
      --color-footer: #18302B;
      --shadow-sm: 0 8px 22px rgba(30, 70, 61, 0.08);
      --shadow-md: 0 18px 44px rgba(30, 70, 61, 0.12);
      --shadow-lg: 0 26px 70px rgba(30, 70, 61, 0.16);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 24px;
      --radius-xl: 34px;
      --container: 1200px;
      --transition: 180ms ease;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 12%, rgba(28, 140, 122, 0.10), transparent 28%),
        radial-gradient(circle at 92% 4%, rgba(242, 166, 90, 0.14), transparent 30%),
        linear-gradient(180deg, #FBF8F0 0%, var(--color-bg-alt) 45%, #FFFFFF 100%);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }

    body.menu-open {
      overflow: hidden;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    ::selection {
      background: rgba(28, 140, 122, 0.18);
      color: var(--color-text);
    }

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

    a:hover {
      color: var(--color-primary-dark);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(28, 140, 122, 0.18);
      outline-offset: 2px;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    input,
    textarea,
    select {
      width: 100%;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--color-text);
      padding: 13px 15px;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition), transform var(--transition);
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: rgba(28, 140, 122, 0.78);
      box-shadow: 0 0 0 4px rgba(28, 140, 122, 0.14);
      background: #FFFFFF;
    }

    input.is-error,
    textarea.is-error {
      border-color: #D96A5B;
      box-shadow: 0 0 0 4px rgba(217, 106, 91, 0.12);
    }

    textarea {
      min-height: 128px;
      resize: vertical;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid rgba(221, 231, 226, 0.76);
      background: rgba(255, 253, 247, 0.88);
      backdrop-filter: blur(16px);
      box-shadow: 0 10px 26px rgba(24, 48, 43, 0.05);
    }

    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
    }

    .brand:hover,
    .brand:focus-visible {
      color: var(--color-text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #FFFFFF;
      background:
        linear-gradient(135deg, var(--color-primary), #3FB59F),
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.45), transparent 35%);
      box-shadow: 0 12px 28px rgba(28, 140, 122, 0.24);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      width: 0;
      height: 0;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 12px solid #FFFFFF;
      margin-left: 3px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

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

    .brand-sub {
      margin-top: 4px;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-muted);
      letter-spacing: 0.04em;
    }

    nav[aria-label="主导航"] {
      margin-left: auto;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--color-muted);
      font-weight: 700;
      font-size: 15px;
      position: relative;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      outline: none;
    }

    .nav-links a.active {
      color: #FFFFFF;
      background: var(--color-primary);
      box-shadow: 0 10px 24px rgba(28, 140, 122, 0.18);
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      flex: 0 0 auto;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--transition), opacity var(--transition);
    }

    .menu-toggle.is-open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-open span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.is-open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .article-hero {
      padding: 30px 0 14px;
      position: relative;
    }

    .article-hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      border: 1px solid rgba(221, 231, 226, 0.95);
      background:
        linear-gradient(135deg, rgba(247, 244, 236, 0.96), rgba(255, 255, 255, 0.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow: var(--shadow-md);
      padding: 30px;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
      gap: 26px;
      align-items: stretch;
    }

    .article-hero-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 8% 18%, rgba(28, 140, 122, 0.10), transparent 24%),
        radial-gradient(circle at 88% 20%, rgba(242, 166, 90, 0.14), transparent 22%);
      pointer-events: none;
    }

    .article-hero-copy,
    .article-hero-media {
      position: relative;
      z-index: 1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.04em;
      color: var(--color-primary-dark);
      background: rgba(28, 140, 122, 0.12);
      border: 1px solid rgba(28, 140, 122, 0.16);
      width: fit-content;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 4px rgba(242, 166, 90, 0.18);
    }

    .article-title {
      margin: 18px 0 14px;
      font-size: clamp(32px, 4vw, 52px);
      line-height: 1.18;
      letter-spacing: -0.03em;
      color: var(--color-text);
    }

    .article-lead {
      margin: 0;
      max-width: 62ch;
      font-size: 17px;
      line-height: 1.85;
      color: var(--color-muted);
    }

    .meta-row {
      margin-top: 22px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 38px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid rgba(221, 231, 226, 0.95);
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 8px 18px rgba(30, 70, 61, 0.05);
    }

    .meta-pill::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-primary);
      flex: 0 0 auto;
    }

    .tag-row {
      margin-top: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-pill {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--color-primary-lighter);
      border: 1px solid rgba(28, 140, 122, 0.14);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .hero-actions {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .ui-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: 999px;
      font-weight: 800;
      letter-spacing: 0.01em;
      transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
    }

    .ui-btn:hover {
      transform: translateY(-1px);
    }

    .ui-btn-primary {
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      box-shadow: 0 14px 28px rgba(28, 140, 122, 0.18);
    }

    .ui-btn-primary:hover,
    .ui-btn-primary:focus-visible {
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--color-primary-dark), #0F5D51);
      box-shadow: 0 18px 34px rgba(28, 140, 122, 0.24);
    }

    .ui-btn-secondary {
      color: var(--color-primary-dark);
      background: #FFFFFF;
      border: 1px solid rgba(28, 140, 122, 0.22);
      box-shadow: var(--shadow-sm);
    }

    .ui-btn-secondary:hover,
    .ui-btn-secondary:focus-visible {
      color: var(--color-primary-dark);
      background: var(--color-primary-lighter);
      border-color: rgba(28, 140, 122, 0.34);
      box-shadow: 0 12px 24px rgba(30, 70, 61, 0.08);
    }

    .article-hero-media {
      display: flex;
      flex-direction: column;
      gap: 14px;
      min-width: 0;
    }

    .media-frame {
      position: relative;
      min-height: 100%;
      border-radius: 28px;
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(24, 48, 43, 0.14), rgba(24, 48, 43, 0.28)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      border: 1px solid rgba(255, 255, 255, 0.5);
      box-shadow: var(--shadow-lg);
      isolation: isolate;
    }

    .media-frame img {
      width: 100%;
      height: 100%;
      min-height: 300px;
      object-fit: cover;
      object-position: center;
      opacity: 0.96;
      filter: saturate(1.02) contrast(1.01);
    }

    .media-frame::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(14, 23, 20, 0.12) 0%, rgba(14, 23, 20, 0.28) 100%);
      pointer-events: none;
    }

    .media-badge {
      position: absolute;
      left: 18px;
      bottom: 18px;
      z-index: 2;
      max-width: calc(100% - 36px);
      padding: 10px 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.88);
      color: var(--color-text);
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 12px 28px rgba(24, 48, 43, 0.12);
      backdrop-filter: blur(10px);
    }

    .media-notes {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .media-notes div {
      padding: 13px 12px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid rgba(221, 231, 226, 0.92);
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 700;
      text-align: center;
      box-shadow: 0 10px 20px rgba(30, 70, 61, 0.05);
    }

    .article-section {
      padding: 22px 0 84px;
    }

    .article-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 28px;
      align-items: start;
    }

    .article-main {
      min-width: 0;
    }

    .article-card {
      background: var(--color-surface);
      border: 1px solid rgba(221, 231, 226, 0.95);
      border-radius: 26px;
      box-shadow: var(--shadow-sm);
    }

    .article-body-card {
      padding: 28px;
    }

    .article-summary {
      display: grid;
      gap: 14px;
      margin-bottom: 22px;
      padding: 18px 20px;
      border-radius: 20px;
      background: linear-gradient(180deg, var(--color-primary-lighter), #FFFFFF);
      border: 1px solid rgba(28, 140, 122, 0.10);
    }

    .article-summary .summary-label {
      display: inline-flex;
      width: fit-content;
      padding: 6px 12px;
      border-radius: 999px;
      background: var(--color-accent-soft);
      color: #A6662E;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.02em;
    }

    .article-summary p {
      margin: 0;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.82;
    }

    .article-cover {
      margin: 18px 0 22px;
      overflow: hidden;
      border-radius: 22px;
      background: var(--color-bg-alt);
      border: 1px solid rgba(221, 231, 226, 0.95);
      box-shadow: 0 12px 30px rgba(30, 70, 61, 0.08);
    }

    .article-cover img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .article-cover figcaption {
      padding: 12px 16px 14px;
      font-size: 13px;
      color: var(--color-muted);
      background: rgba(255, 255, 255, 0.94);
      border-top: 1px solid rgba(221, 231, 226, 0.92);
    }

    .article-prose {
      color: var(--color-text);
      font-size: 17px;
      line-height: 1.9;
      word-break: break-word;
    }

    .article-prose h2 {
      margin: 36px 0 16px;
      font-size: 30px;
      line-height: 1.25;
      letter-spacing: -0.02em;
      padding-left: 14px;
      border-left: 4px solid var(--color-primary);
    }

    .article-prose h3 {
      margin: 28px 0 12px;
      font-size: 24px;
      line-height: 1.3;
      letter-spacing: -0.01em;
    }

    .article-prose h4 {
      margin: 24px 0 10px;
      font-size: 20px;
      line-height: 1.35;
    }

    .article-prose p {
      margin: 0 0 18px;
      color: var(--color-text);
    }

    .article-prose ul,
    .article-prose ol {
      margin: 0 0 18px 1.25em;
      padding: 0;
    }

    .article-prose li {
      margin: 8px 0;
    }

    .article-prose li::marker {
      color: var(--color-primary);
    }

    .article-prose blockquote {
      margin: 26px 0;
      padding: 18px 20px;
      background: linear-gradient(180deg, #F7FBF9, #FFFFFF);
      border-left: 4px solid var(--color-primary);
      border-radius: 18px;
      color: var(--color-text);
      box-shadow: 0 12px 24px rgba(30, 70, 61, 0.05);
    }

    .article-prose blockquote p:last-child {
      margin-bottom: 0;
    }

    .article-prose figure {
      margin: 24px 0;
    }

    .article-prose figcaption {
      margin-top: 10px;
      font-size: 13px;
      color: var(--color-muted);
    }

    .article-prose img {
      border-radius: 18px;
      box-shadow: var(--shadow-sm);
    }

    .article-prose hr {
      margin: 34px 0;
      border: 0;
      border-top: 1px solid var(--color-border);
    }

    .article-prose table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0 26px;
      overflow: hidden;
      border-radius: 16px;
      border: 1px solid var(--color-border);
      background: #FFFFFF;
    }

    .article-prose th,
    .article-prose td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--color-border);
      text-align: left;
      vertical-align: top;
    }

    .article-prose th {
      background: var(--color-primary-lighter);
      color: var(--color-text);
      font-weight: 800;
    }

    .article-prose a {
      color: var(--color-primary-dark);
      text-decoration: underline;
      text-decoration-color: rgba(28, 140, 122, 0.35);
      text-underline-offset: 0.16em;
    }

    .article-prose a:hover {
      color: var(--color-primary);
      text-decoration-color: currentColor;
    }

    .article-note {
      margin-top: 18px;
      padding: 16px 18px;
      border-radius: 18px;
      background: rgba(242, 166, 90, 0.12);
      border: 1px solid rgba(242, 166, 90, 0.22);
      color: #7B5A31;
      font-size: 14px;
      line-height: 1.8;
    }

    .article-note strong {
      display: block;
      margin-bottom: 6px;
      color: #69481F;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin: 30px 0 16px;
    }

    .section-head h2,
    .sidebar-title {
      margin: 0;
      font-size: 26px;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--color-text);
    }

    .section-head p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .mini-card {
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding: 18px;
      border-radius: 20px;
      background: linear-gradient(180deg, #FFFFFF, #FAFCFB);
      border: 1px solid rgba(221, 231, 226, 0.95);
      box-shadow: 0 10px 24px rgba(30, 70, 61, 0.06);
      min-height: 100%;
    }

    .mini-card:hover {
      transform: translateY(-2px);
      border-color: rgba(28, 140, 122, 0.18);
      box-shadow: 0 16px 30px rgba(30, 70, 61, 0.10);
    }

    .mini-card .mini-kicker {
      display: inline-flex;
      width: fit-content;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--color-primary-lighter);
      color: var(--color-primary-dark);
      font-size: 12px;
      font-weight: 800;
    }

    .mini-card h3 {
      margin: 0;
      font-size: 18px;
      line-height: 1.35;
      letter-spacing: -0.01em;
    }

    .mini-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.76;
    }

    .mini-card .mini-link {
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-primary-dark);
      font-weight: 800;
      font-size: 14px;
    }

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

    .mini-card:hover .mini-link::after {
      transform: translateX(2px);
    }

    .cta-panel {
      margin-top: 24px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 22px 24px;
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(28, 140, 122, 0.10), rgba(255, 255, 255, 0.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border: 1px solid rgba(28, 140, 122, 0.14);
      box-shadow: var(--shadow-sm);
    }

    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: 26px;
      line-height: 1.25;
      letter-spacing: -0.02em;
    }

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

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .article-sidebar {
      position: sticky;
      top: 98px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 20px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(221, 231, 226, 0.95);
      box-shadow: var(--shadow-sm);
    }

    .side-card h3 {
      margin: 0 0 12px;
      font-size: 18px;
      line-height: 1.35;
    }

    .side-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.8;
    }

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

    .side-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .side-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(28, 140, 122, 0.12);
      flex: 0 0 auto;
    }

    .side-links {
      display: grid;
      gap: 10px;
    }

    .side-link {
      display: inline-flex;
      align-items: center;
      justify-content: space-between;
      min-height: 42px;
      padding: 11px 14px;
      border-radius: 16px;
      background: var(--color-primary-lighter);
      border: 1px solid rgba(28, 140, 122, 0.12);
      color: var(--color-primary-dark);
      font-weight: 800;
      font-size: 14px;
    }

    .side-link:hover,
    .side-link:focus-visible {
      background: rgba(28, 140, 122, 0.12);
      border-color: rgba(28, 140, 122, 0.22);
    }

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

    .side-link:hover::after {
      transform: translateX(2px);
    }

    .empty-state {
      padding: 42px 26px;
      text-align: center;
      border-radius: 26px;
      background:
        radial-gradient(circle at top, rgba(28, 140, 122, 0.08), transparent 45%),
        linear-gradient(180deg, #FFFFFF, #F8FBFA);
      border: 1px solid rgba(221, 231, 226, 0.95);
      box-shadow: var(--shadow-sm);
    }

    .empty-state-icon {
      width: 64px;
      height: 64px;
      margin: 0 auto 16px;
      border-radius: 22px;
      display: grid;
      place-items: center;
      background: rgba(28, 140, 122, 0.12);
      color: var(--color-primary-dark);
      font-size: 28px;
      font-weight: 900;
      box-shadow: 0 12px 28px rgba(28, 140, 122, 0.12);
    }

    .empty-state h2 {
      margin: 0 0 10px;
      font-size: 28px;
      line-height: 1.25;
    }

    .empty-state p {
      margin: 0 auto 20px;
      max-width: 42rem;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .site-footer {
      background: linear-gradient(180deg, #17312C 0%, var(--color-footer) 100%);
      color: #ECF3F0;
      padding: 56px 0 26px;
      margin-top: 12px;
      position: relative;
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 10% 14%, rgba(242, 166, 90, 0.14), transparent 18%),
        radial-gradient(circle at 92% 4%, rgba(28, 140, 122, 0.16), transparent 20%);
      pointer-events: none;
    }

    .site-footer .container,
    .footer-grid,
    .footer-bottom {
      position: relative;
      z-index: 1;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr 0.8fr 0.8fr 1fr;
      gap: 26px;
      align-items: start;
      padding-bottom: 26px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    }

    .footer-brand p,
    .footer-col p {
      margin: 14px 0 0;
      color: rgba(236, 243, 240, 0.78);
      font-size: 14px;
      line-height: 1.85;
    }

    .site-footer .brand {
      color: #FFFFFF;
    }

    .site-footer .brand-sub {
      color: rgba(236, 243, 240, 0.68);
    }

    .footer-col h3 {
      margin: 0 0 14px;
      font-size: 16px;
      font-weight: 800;
      color: #FFFFFF;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(236, 243, 240, 0.78);
      font-size: 14px;
      line-height: 1.7;
      width: fit-content;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--color-accent);
    }

    .footer-bottom {
      padding-top: 18px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      color: rgba(236, 243, 240, 0.70);
      font-size: 13px;
      line-height: 1.8;
    }

    @media (max-width: 1199.98px) {
      .article-hero-panel {
        grid-template-columns: minmax(0, 1fr) minmax(280px, 0.88fr);
      }

      .article-grid {
        grid-template-columns: minmax(0, 1fr) 300px;
      }

      .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
      }
    }

    @media (max-width: 991.98px) {
      .container {
        width: min(100% - 36px, var(--container));
      }

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

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

      .article-sidebar {
        position: static;
      }

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

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

    @media (max-width: 767.98px) {
      .nav-wrap {
        min-height: 72px;
        gap: 14px;
      }

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

      nav[aria-label="主导航"] {
        margin-left: 0;
      }

      .nav-links {
        position: fixed;
        left: 18px;
        right: 18px;
        top: 84px;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid rgba(221, 231, 226, 0.96);
        box-shadow: var(--shadow-lg);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
      }

      body.menu-open .nav-links {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
      }

      .nav-links a {
        width: 100%;
        justify-content: center;
      }

      .article-hero {
        padding-top: 22px;
      }

      .article-hero-panel {
        padding: 22px;
        border-radius: 28px;
      }

      .article-title {
        font-size: clamp(30px, 6vw, 40px);
      }

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

      .media-frame img {
        min-height: 240px;
      }

      .media-notes {
        grid-template-columns: 1fr;
      }

      .article-body-card {
        padding: 22px;
      }

      .article-prose {
        font-size: 16px;
      }

      .article-prose h2 {
        font-size: 24px;
      }

      .article-prose h3 {
        font-size: 21px;
      }

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

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

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

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

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

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

    @media (max-width: 479.98px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .brand-name {
        font-size: 17px;
      }

      .brand-sub {
        font-size: 11px;
      }

      .article-hero-panel {
        padding: 18px;
        border-radius: 24px;
      }

      .article-title {
        font-size: 32px;
      }

      .article-summary,
      .side-card,
      .mini-card,
      .empty-state,
      .cta-panel {
        border-radius: 20px;
      }

      .article-body-card {
        padding: 18px;
      }

      .article-prose h2 {
        font-size: 22px;
      }

      .article-prose h3 {
        font-size: 19px;
      }

      .ui-btn,
      .side-link {
        width: 100%;
      }

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

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

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}