/* roulang page: index */
:root {
      --color-primary: #147D73;
      --color-primary-dark: #0F655D;
      --color-primary-soft: #E3F2EF;
      --color-accent: #E9843A;
      --color-warning: #B84A3D;
      --color-bg: #FAF8F3;
      --color-bg-alt: #F6EFE4;
      --color-card: #FFFFFF;
      --color-text: #1E2D2A;
      --color-muted: #66736F;
      --color-border: #DCE7E3;
      --color-footer: #172723;
      --shadow-sm: 0 8px 22px rgba(30, 45, 42, 0.06);
      --shadow-md: 0 14px 34px rgba(30, 45, 42, 0.10);
      --shadow-lg: 0 24px 56px rgba(30, 45, 42, 0.14);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-pill: 999px;
      --container: 1200px;
      --section: 96px;
      --transition: 180ms ease;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", 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 12% 6%, rgba(20, 125, 115, 0.10), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(233, 132, 58, 0.10), transparent 32%),
        var(--color-bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

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

    :focus-visible {
      outline: 3px solid rgba(20, 125, 115, 0.28);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(250, 248, 243, 0.96);
      border-bottom: 1px solid rgba(220, 231, 227, 0.8);
      backdrop-filter: none;
      transition: box-shadow var(--transition), background var(--transition);
    }

    .site-header.is-scrolled {
      box-shadow: var(--shadow-sm);
      background: rgba(255, 255, 255, 0.98);
    }

    .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: 0;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--color-primary), #4DB6A8);
      display: grid;
      place-items: center;
      box-shadow: 0 10px 24px rgba(20, 125, 115, 0.22);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      width: 18px;
      height: 22px;
      border-radius: 10px 10px 12px 12px;
      background: rgba(255, 255, 255, 0.92);
      clip-path: polygon(50% 0, 94% 18%, 82% 78%, 50% 100%, 18% 78%, 6% 18%);
    }

    .brand-text {
      font-size: 18px;
      white-space: nowrap;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 8px 15px;
      border-radius: var(--radius-pill);
      color: var(--color-muted);
      font-weight: 650;
      font-size: 15px;
      transition: color var(--transition), background var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .nav-cta {
      margin-left: 8px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-border);
      background: var(--color-card);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      border-radius: 2px;
      background: var(--color-text);
      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);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: var(--radius-pill);
      font-weight: 760;
      line-height: 1.2;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      box-shadow: 0 12px 24px rgba(20, 125, 115, 0.18);
    }

    .btn-primary:hover {
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(20, 125, 115, 0.24);
    }

    .btn-secondary {
      background: #fff;
      color: var(--color-primary);
      border-color: rgba(20, 125, 115, 0.24);
    }

    .btn-secondary:hover {
      background: var(--color-primary-soft);
      border-color: rgba(20, 125, 115, 0.38);
      transform: translateY(-2px);
    }

    .btn-soft {
      background: rgba(20, 125, 115, 0.10);
      color: var(--color-primary);
    }

    .btn-soft:hover {
      background: rgba(20, 125, 115, 0.16);
      transform: translateY(-2px);
    }

    .hero {
      position: relative;
      padding: 78px 0 72px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(250, 248, 243, 0.97) 0%, rgba(250, 248, 243, 0.86) 48%, rgba(250, 248, 243, 0.60) 100%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      right: -180px;
      bottom: -210px;
      border-radius: 50%;
      background: rgba(20, 125, 115, 0.12);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
      align-items: center;
      gap: 58px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      background: rgba(20, 125, 115, 0.10);
      color: var(--color-primary-dark);
      font-weight: 760;
      font-size: 14px;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(20, 125, 115, 0.12);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    .hero-title {
      max-width: 760px;
      margin-bottom: 22px;
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.14;
      letter-spacing: -0.045em;
      font-weight: 850;
      color: var(--color-text);
    }

    .hero-desc {
      max-width: 720px;
      margin-bottom: 30px;
      font-size: 18px;
      color: var(--color-muted);
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 28px;
    }

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

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(220, 231, 227, 0.86);
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 8px 18px rgba(30, 45, 42, 0.04);
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .hero-panel {
      position: relative;
      padding: 24px;
      border-radius: 32px;
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid rgba(220, 231, 227, 0.88);
      box-shadow: var(--shadow-lg);
    }

    .hero-panel-img {
      position: relative;
      overflow: hidden;
      border-radius: 24px;
      min-height: 210px;
      background: var(--color-primary-soft);
      margin-bottom: 18px;
    }

    .hero-panel-img img {
      width: 100%;
      height: 250px;
      object-fit: cover;
      transform: scale(1.02);
    }

    .hero-panel-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 45%, rgba(23, 39, 35, 0.62));
    }

    .panel-floating {
      position: absolute;
      left: 18px;
      bottom: 18px;
      right: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      color: #fff;
      z-index: 1;
    }

    .panel-floating strong {
      display: block;
      font-size: 18px;
      line-height: 1.25;
    }

    .panel-floating span {
      display: block;
      font-size: 13px;
      opacity: 0.86;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      padding: 7px 10px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.18);
      font-size: 13px;
      font-weight: 700;
      flex: 0 0 auto;
    }

    .redline-card {
      border: 1px solid rgba(184, 74, 61, 0.23);
      background: #FFF7F4;
      border-radius: 22px;
      padding: 18px;
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 14px;
      align-items: start;
    }

    .redline-icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: rgba(184, 74, 61, 0.12);
      color: var(--color-warning);
      display: grid;
      place-items: center;
      font-weight: 900;
      font-size: 22px;
    }

    .redline-card strong {
      display: block;
      color: var(--color-warning);
      margin-bottom: 5px;
      font-size: 17px;
    }

    .redline-card p {
      margin: 0;
      color: #70423C;
      font-size: 14px;
      line-height: 1.75;
    }

    .mini-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 18px;
    }

    .metric {
      padding: 16px;
      border-radius: 18px;
      border: 1px solid var(--color-border);
      background: #fff;
    }

    .metric b {
      display: block;
      font-size: 24px;
      line-height: 1;
      color: var(--color-primary);
      margin-bottom: 7px;
    }

    .metric span {
      font-size: 13px;
      color: var(--color-muted);
      font-weight: 650;
    }

    .section {
      padding: var(--section) 0;
    }

    .section.compact {
      padding-top: 34px;
    }

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

    .section-kicker {
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 850;
      margin-bottom: 8px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.22;
      letter-spacing: -0.035em;
      font-weight: 850;
    }

    .section-desc {
      max-width: 640px;
      color: var(--color-muted);
      margin: 12px 0 0;
      font-size: 16px;
      line-height: 1.9;
    }

    .notice-strip {
      transform: translateY(-24px);
      position: relative;
      z-index: 3;
    }

    .notice-inner {
      display: grid;
      grid-template-columns: 1.1fr 1fr 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
    }

    .notice-item {
      padding: 18px;
      border-radius: 20px;
      background: var(--color-bg);
      display: flex;
      gap: 14px;
      align-items: flex-start;
      transition: transform var(--transition), background var(--transition);
    }

    .notice-item:hover {
      transform: translateY(-3px);
      background: var(--color-primary-soft);
    }

    .notice-no {
      width: 32px;
      height: 32px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--color-primary);
      color: #fff;
      font-weight: 850;
      flex: 0 0 auto;
    }

    .notice-item strong {
      display: block;
      margin-bottom: 3px;
      font-size: 17px;
    }

    .notice-item span {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .risk-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
      gap: 34px;
      align-items: start;
    }

    .risk-copy {
      padding: 34px;
      border-radius: var(--radius-lg);
      background: var(--color-bg-alt);
      border: 1px solid rgba(220, 231, 227, 0.72);
      position: relative;
      overflow: hidden;
    }

    .risk-copy::after {
      content: "";
      position: absolute;
      right: -90px;
      bottom: -90px;
      width: 230px;
      height: 230px;
      border-radius: 50%;
      background: rgba(20, 125, 115, 0.12);
    }

    .risk-copy img {
      width: 100%;
      height: 230px;
      object-fit: cover;
      border-radius: 22px;
      margin-top: 24px;
      border: 1px solid rgba(255, 255, 255, 0.72);
      position: relative;
      z-index: 1;
    }

    .check-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 14px;
    }

    .check-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(220, 231, 227, 0.82);
      background: #fff;
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .check-item:hover {
      transform: translateY(-3px);
      border-color: rgba(20, 125, 115, 0.34);
      box-shadow: var(--shadow-sm);
    }

    .check-icon {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-weight: 900;
    }

    .check-item strong {
      display: block;
      margin-bottom: 3px;
      font-size: 17px;
    }

    .check-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .timeline-wrap {
      border-radius: 30px;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(20, 125, 115, 0.08), rgba(233, 132, 58, 0.08)),
        #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
      position: relative;
    }

    .timeline::before {
      content: "";
      position: absolute;
      top: 31px;
      left: 8%;
      right: 8%;
      height: 2px;
      background: rgba(20, 125, 115, 0.18);
    }

    .step {
      position: relative;
      padding: 0 0 0;
      z-index: 1;
    }

    .step-no {
      width: 64px;
      height: 64px;
      border-radius: 22px;
      display: grid;
      place-items: center;
      background: var(--color-primary);
      color: #fff;
      font-weight: 900;
      font-size: 20px;
      box-shadow: 0 12px 24px rgba(20, 125, 115, 0.22);
      margin-bottom: 16px;
    }

    .step-body {
      min-height: 198px;
      padding: 20px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid rgba(220, 231, 227, 0.82);
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .step-body:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-sm);
    }

    .step-body h3 {
      margin-bottom: 8px;
      font-size: 19px;
      line-height: 1.35;
    }

    .step-body p {
      margin-bottom: 14px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: var(--radius-pill);
      background: rgba(233, 132, 58, 0.12);
      color: #9A5420;
      font-size: 12px;
      font-weight: 800;
    }

    .guide-layout {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 30px;
      align-items: stretch;
    }

    .guide-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      background: #fff;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .guide-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(20, 125, 115, 0.34);
    }

    .guide-card img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    .guide-content {
      padding: 26px;
    }

    .guide-content h3 {
      font-size: 23px;
      line-height: 1.35;
      margin-bottom: 10px;
    }

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

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

    .guide-mini {
      display: grid;
      grid-template-columns: 68px 1fr;
      gap: 16px;
      padding: 18px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--color-border);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .guide-mini:hover {
      transform: translateY(-3px);
      border-color: rgba(20, 125, 115, 0.34);
      box-shadow: var(--shadow-sm);
    }

    .guide-mini-icon {
      width: 68px;
      height: 68px;
      border-radius: 22px;
      background: var(--color-bg-alt);
      display: grid;
      place-items: center;
      color: var(--color-primary);
      font-weight: 900;
      font-size: 22px;
    }

    .guide-mini strong {
      display: block;
      margin-bottom: 4px;
      font-size: 18px;
    }

    .guide-mini p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .latest {
      background: linear-gradient(180deg, rgba(246, 239, 228, 0.72), rgba(250, 248, 243, 0));
    }

    .news-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
      gap: 22px;
      align-items: start;
    }

    .news-card {
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 18px;
      padding: 16px;
      border-radius: 24px;
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      overflow: hidden;
    }

    .news-card:hover {
      transform: translateY(-4px);
      border-color: rgba(20, 125, 115, 0.35);
      box-shadow: var(--shadow-md);
    }

    .news-card:hover .news-title {
      color: var(--color-primary);
    }

    .news-cover {
      overflow: hidden;
      border-radius: 18px;
      min-height: 140px;
      background: var(--color-primary-soft);
    }

    .news-cover img {
      width: 100%;
      height: 100%;
      min-height: 140px;
      object-fit: cover;
      transition: transform 260ms ease;
    }

    .news-card:hover .news-cover img {
      transform: scale(1.05);
    }

    .news-card.is-featured {
      grid-template-columns: 1fr;
      padding: 18px;
    }

    .news-card.is-featured .news-cover {
      min-height: 260px;
    }

    .news-card.is-featured .news-cover img {
      min-height: 260px;
    }

    .news-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      color: var(--color-muted);
      font-size: 13px;
      margin-bottom: 9px;
    }

    .news-cat {
      color: var(--color-primary);
      background: var(--color-primary-soft);
      border-radius: var(--radius-pill);
      padding: 4px 9px;
      font-weight: 800;
    }

    .news-title {
      margin: 0 0 8px;
      font-size: 20px;
      line-height: 1.4;
      transition: color var(--transition);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card.is-featured .news-title {
      font-size: 26px;
      line-height: 1.3;
    }

    .news-summary {
      margin: 0 0 14px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--color-primary);
      font-weight: 800;
      font-size: 14px;
    }

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

    .empty-state {
      grid-column: 1 / -1;
      padding: 42px 26px;
      text-align: center;
      border: 1px dashed rgba(20, 125, 115, 0.32);
      border-radius: 28px;
      background: #fff;
    }

    .empty-icon {
      width: 70px;
      height: 70px;
      margin: 0 auto 16px;
      border-radius: 24px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      display: grid;
      place-items: center;
      font-size: 30px;
      font-weight: 900;
    }

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

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.42fr 0.58fr;
      gap: 34px;
      align-items: start;
    }

    .faq-aside {
      position: sticky;
      top: 104px;
      padding: 30px;
      border-radius: var(--radius-lg);
      background: var(--color-footer);
      color: #fff;
      overflow: hidden;
    }

    .faq-aside::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -80px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(246, 239, 228, 0.10);
    }

    .faq-aside h2 {
      margin-bottom: 14px;
      font-size: 30px;
      line-height: 1.25;
    }

    .faq-aside p {
      margin: 0;
      color: rgba(255, 255, 255, 0.76);
      position: relative;
      z-index: 1;
    }

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

    .faq-item {
      border: 1px solid var(--color-border);
      background: #fff;
      border-radius: 20px;
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item.is-open {
      border-color: rgba(20, 125, 115, 0.36);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--color-text);
      font-weight: 800;
      text-align: left;
    }

    .faq-question span:first-child {
      font-size: 17px;
    }

    .faq-toggle {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      transition: transform var(--transition), background var(--transition);
    }

    .faq-item.is-open .faq-toggle {
      transform: rotate(45deg);
      background: var(--color-primary);
      color: #fff;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px 22px;
      border-left: 4px solid var(--color-primary);
      margin: 0 18px 18px;
      background: rgba(20, 125, 115, 0.05);
      border-radius: 0 14px 14px 0;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .faq-answer p {
      margin: 0;
      color: var(--color-muted);
      line-height: 1.85;
      padding: 15px 0 0 14px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 46px;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(20, 125, 115, 0.94), rgba(15, 101, 93, 0.92)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color: #fff;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 30px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      right: -80px;
      top: -110px;
      background: rgba(255, 255, 255, 0.12);
    }

    .cta-panel h2 {
      position: relative;
      z-index: 1;
      margin-bottom: 10px;
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.25;
    }

    .cta-panel p {
      position: relative;
      z-index: 1;
      margin: 0;
      color: rgba(255, 255, 255, 0.82);
      max-width: 760px;
    }

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

    .cta-actions .btn-primary {
      background: #fff;
      color: var(--color-primary);
      box-shadow: none;
    }

    .cta-actions .btn-primary:hover {
      background: var(--color-bg-alt);
    }

    .cta-actions .btn-secondary {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.38);
    }

    .cta-actions .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.12);
    }

    .site-footer {
      margin-top: 70px;
      background: var(--color-footer);
      color: rgba(255, 255, 255, 0.80);
      padding: 58px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) 0.8fr 0.8fr;
      gap: 36px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 850;
      font-size: 19px;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-text {
      max-width: 560px;
      margin: 0;
      color: rgba(255, 255, 255, 0.72);
      line-height: 1.85;
    }

    .footer-title {
      color: #fff;
      font-weight: 850;
      margin-bottom: 14px;
      font-size: 16px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.72);
      transition: color var(--transition), text-decoration-color var(--transition);
      text-decoration: underline;
      text-decoration-color: transparent;
      text-underline-offset: 4px;
    }

    .footer-links a:hover {
      color: #fff;
      text-decoration-color: rgba(255, 255, 255, 0.58);
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: rgba(255, 255, 255, 0.58);
      font-size: 14px;
    }

    .footer-warning {
      color: #F6C2B9;
      font-weight: 750;
    }

    @media (max-width: 1100px) {
      .hero-grid,
      .risk-grid,
      .guide-layout,
      .faq-wrap,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .faq-aside {
        position: relative;
        top: 0;
      }

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

      .timeline::before {
        display: none;
      }

      .notice-inner {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 900px) {
      .menu-toggle {
        display: inline-flex;
      }

      .nav-menu {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-radius: 24px;
        background: #fff;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
      }

      .nav-menu.is-open {
        display: flex;
      }

      .nav-link {
        justify-content: center;
      }

      .nav-cta {
        margin-left: 0;
        width: 100%;
      }

      .nav-cta .btn {
        width: 100%;
      }

      .hero {
        padding-top: 54px;
      }

      .hero-grid {
        gap: 36px;
      }

      .mini-metrics {
        grid-template-columns: 1fr;
      }

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

      .step {
        display: grid;
        grid-template-columns: 64px 1fr;
        gap: 16px;
      }

      .step-no {
        margin-bottom: 0;
      }

      .step-body {
        min-height: auto;
      }

      .section-head {
        display: block;
      }

      .section-head .btn {
        margin-top: 18px;
      }
    }

    @media (max-width: 640px) {
      :root {
        --section: 66px;
      }

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

      .nav-wrap {
        min-height: 68px;
      }

      .brand-text {
        font-size: 16px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .nav-menu {
        top: 70px;
        left: 16px;
        right: 16px;
      }

      .hero {
        padding: 42px 0 54px;
      }

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

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

      .hero-panel {
        padding: 16px;
        border-radius: 24px;
      }

      .hero-panel-img img {
        height: 210px;
      }

      .panel-floating {
        align-items: flex-start;
        flex-direction: column;
      }

      .redline-card {
        grid-template-columns: 1fr;
      }

      .risk-copy,
      .check-card,
      .timeline-wrap,
      .faq-aside,
      .cta-panel {
        padding: 22px;
        border-radius: 24px;
      }

      .check-item,
      .guide-mini {
        grid-template-columns: 1fr;
      }

      .guide-card img {
        height: 220px;
      }

      .news-card,
      .news-card.is-featured {
        grid-template-columns: 1fr;
      }

      .news-cover,
      .news-card.is-featured .news-cover {
        min-height: 210px;
      }

      .news-cover img,
      .news-card.is-featured .news-cover img {
        min-height: 210px;
      }

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

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

/* roulang page: article */
:root {
      --color-primary: #147D73;
      --color-primary-dark: #0F655D;
      --color-primary-soft: #E3F2EF;
      --color-accent: #E9843A;
      --color-warning: #B84A3D;
      --color-bg: #FAF8F3;
      --color-bg-alt: #F6EFE4;
      --color-card: #FFFFFF;
      --color-text: #1E2D2A;
      --color-muted: #66736F;
      --color-border: #DCE7E3;
      --color-footer: #172723;
      --shadow-sm: 0 8px 22px rgba(30, 45, 42, 0.06);
      --shadow-md: 0 14px 34px rgba(30, 45, 42, 0.10);
      --shadow-lg: 0 24px 56px rgba(30, 45, 42, 0.14);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-pill: 999px;
      --container: 1200px;
      --section: 96px;
      --transition: 180ms ease;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", 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 12% 6%, rgba(20, 125, 115, 0.10), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(233, 132, 58, 0.10), transparent 32%),
        var(--color-bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

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

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

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

    :focus-visible {
      outline: 3px solid rgba(233, 132, 58, 0.42);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(250, 248, 243, 0.96);
      border-bottom: 1px solid rgba(220, 231, 227, 0.8);
      backdrop-filter: none;
      transition: box-shadow var(--transition), background var(--transition);
    }

    .site-header.is-scrolled {
      box-shadow: var(--shadow-sm);
      background: rgba(255, 255, 255, 0.98);
    }

    .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: 0;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--color-primary), #4DB6A8);
      display: grid;
      place-items: center;
      box-shadow: 0 10px 24px rgba(20, 125, 115, 0.22);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      width: 18px;
      height: 22px;
      border-radius: 10px 10px 12px 12px;
      background: rgba(255, 255, 255, 0.92);
      clip-path: polygon(50% 0, 94% 18%, 82% 78%, 50% 100%, 18% 78%, 6% 18%);
    }

    .brand-text {
      font-size: 18px;
      white-space: nowrap;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 8px 15px;
      border-radius: var(--radius-pill);
      color: var(--color-muted);
      font-weight: 650;
      font-size: 15px;
      transition: color var(--transition), background var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .nav-cta {
      margin-left: 8px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-border);
      background: var(--color-card);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .menu-toggle:hover {
      border-color: rgba(20, 125, 115, 0.38);
      box-shadow: var(--shadow-sm);
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      border-radius: 2px;
      background: var(--color-text);
      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);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: var(--radius-pill);
      font-weight: 760;
      line-height: 1.2;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      box-shadow: 0 12px 24px rgba(20, 125, 115, 0.18);
    }

    .btn-primary:hover,
    .btn-primary:active {
      background: var(--color-primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(20, 125, 115, 0.24);
    }

    .btn-secondary {
      background: #fff;
      color: var(--color-primary);
      border-color: rgba(20, 125, 115, 0.24);
    }

    .btn-secondary:hover,
    .btn-secondary:active {
      background: var(--color-primary-soft);
      border-color: rgba(20, 125, 115, 0.38);
      color: var(--color-primary);
      transform: translateY(-2px);
    }

    .btn-soft {
      background: rgba(20, 125, 115, 0.10);
      color: var(--color-primary);
    }

    .btn-soft:hover {
      background: rgba(20, 125, 115, 0.16);
      color: var(--color-primary);
      transform: translateY(-2px);
    }

    .section {
      padding: var(--section) 0;
      position: relative;
    }

    .section-title {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: -0.03em;
      margin: 0 0 14px;
      color: var(--color-text);
    }

    .section-desc {
      color: var(--color-muted);
      font-size: 17px;
      line-height: 1.85;
      margin: 0;
      max-width: 760px;
    }

    .badge-soft,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 5px 12px;
      border-radius: var(--radius-pill);
      background: var(--color-primary-soft);
      color: var(--color-primary);
      border: 1px solid rgba(20, 125, 115, 0.12);
      font-weight: 760;
      font-size: 13px;
    }

    .tag-accent {
      background: rgba(233, 132, 58, 0.12);
      color: #9B5423;
      border-color: rgba(233, 132, 58, 0.20);
    }

    .article-banner {
      position: relative;
      padding: 42px 0 48px;
      overflow: hidden;
      border-bottom: 1px solid rgba(220, 231, 227, 0.72);
      background:
        linear-gradient(90deg, rgba(250, 248, 243, 0.98) 0%, rgba(250, 248, 243, 0.92) 54%, rgba(250, 248, 243, 0.78) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }

    .article-banner::after {
      content: "";
      position: absolute;
      right: -120px;
      top: -180px;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(20, 125, 115, 0.10);
      pointer-events: none;
    }

    .breadcrumb-wrap {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      color: var(--color-muted);
      font-size: 14px;
      margin-bottom: 28px;
    }

    .breadcrumb-wrap a {
      color: var(--color-primary);
      font-weight: 700;
      transition: color var(--transition);
    }

    .breadcrumb-wrap a:hover {
      color: var(--color-primary-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .breadcrumb-sep {
      color: #93A19D;
    }

    .article-head {
      position: relative;
      z-index: 1;
      max-width: 900px;
    }

    .article-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }

    .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .meta-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--color-border);
    }

    .article-title {
      font-size: clamp(30px, 5vw, 50px);
      line-height: 1.16;
      font-weight: 860;
      letter-spacing: -0.045em;
      margin: 0 0 18px;
      color: var(--color-text);
    }

    .article-summary {
      margin: 0;
      max-width: 840px;
      color: var(--color-muted);
      font-size: 18px;
      line-height: 1.9;
    }

    .redline-note {
      margin-top: 26px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      align-items: start;
      max-width: 860px;
      padding: 18px 20px;
      border: 1px solid rgba(184, 74, 61, 0.22);
      border-radius: var(--radius-md);
      background: rgba(184, 74, 61, 0.07);
      color: #69302A;
    }

    .redline-note-icon {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: rgba(184, 74, 61, 0.14);
      color: var(--color-warning);
      font-weight: 900;
    }

    .redline-note strong {
      display: block;
      margin-bottom: 3px;
      color: #55231F;
    }

    .redline-note p {
      margin: 0;
      line-height: 1.75;
      font-size: 15px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 820px) 320px;
      gap: 44px;
      align-items: start;
    }

    .article-card {
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .article-cover {
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--color-border);
      background: var(--color-bg-alt);
    }

    .article-cover img {
      width: 100%;
      aspect-ratio: 16 / 7;
      object-fit: cover;
      transition: transform 420ms ease;
    }

    .article-card:hover .article-cover img {
      transform: scale(1.025);
    }

    .article-cover-caption {
      position: absolute;
      left: 18px;
      bottom: 18px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.92);
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 800;
      box-shadow: var(--shadow-sm);
    }

    .article-content {
      padding: 38px 42px 44px;
      font-size: 17px;
      line-height: 1.9;
      color: var(--color-text);
    }

    .article-content h2 {
      margin: 2.1em 0 0.7em;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.3;
      font-weight: 820;
      letter-spacing: -0.025em;
      color: var(--color-text);
      padding-bottom: 12px;
      border-bottom: 1px solid var(--color-border);
    }

    .article-content h3 {
      margin: 1.8em 0 0.65em;
      font-size: 22px;
      line-height: 1.4;
      font-weight: 760;
      color: var(--color-text);
    }

    .article-content p {
      margin: 0 0 1.15em;
    }

    .article-content a {
      color: var(--color-primary);
      font-weight: 750;
      border-bottom: 1px solid rgba(20, 125, 115, 0.24);
      transition: color var(--transition), border-color var(--transition);
    }

    .article-content a:hover {
      color: var(--color-primary-dark);
      border-color: var(--color-primary-dark);
    }

    .article-content ul,
    .article-content ol {
      margin: 1em 0 1.35em;
      padding-left: 1.45em;
    }

    .article-content li {
      margin: 0.45em 0;
      padding-left: 0.15em;
    }

    .article-content blockquote {
      margin: 1.6em 0;
      padding: 20px 22px 20px 24px;
      border-left: 5px solid var(--color-primary);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      background: var(--color-primary-soft);
      color: #26413D;
      font-weight: 650;
    }

    .article-content figure {
      margin: 2em 0;
      padding: 12px;
      border-radius: var(--radius-md);
      background: var(--color-bg-alt);
      border: 1px solid var(--color-border);
    }

    .article-content figure img {
      width: 100%;
      border-radius: 14px;
    }

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

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.6em 0;
      overflow: hidden;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      background: #fff;
      font-size: 15px;
    }

    .article-content th,
    .article-content td {
      padding: 13px 14px;
      border: 1px solid var(--color-border);
      vertical-align: top;
    }

    .article-content th {
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-weight: 800;
    }

    .article-content code {
      padding: 2px 7px;
      border-radius: 8px;
      background: #F0F5F3;
      color: #234843;
      font-size: 0.92em;
    }

    .article-content pre {
      margin: 1.5em 0;
      padding: 18px;
      overflow-x: auto;
      border-radius: var(--radius-md);
      background: #142622;
      color: #E8F4F1;
      border: 1px solid rgba(20, 125, 115, 0.18);
    }

    .article-content pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .not-found {
      padding: 48px 38px;
      text-align: center;
    }

    .not-found-icon {
      width: 72px;
      height: 72px;
      margin: 0 auto 18px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-size: 32px;
      font-weight: 900;
    }

    .not-found h2 {
      margin: 0 0 10px;
      font-size: 28px;
      font-weight: 850;
    }

    .not-found p {
      margin: 0 0 24px;
      color: var(--color-muted);
      line-height: 1.8;
    }

    .side-stack {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 96px;
    }

    .side-card {
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 14px;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 820;
    }

    .side-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .side-cover {
      overflow: hidden;
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      border: 1px solid var(--color-border);
      background: var(--color-bg-alt);
    }

    .side-cover img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .process-mini {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .process-mini-item {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 12px;
      align-items: start;
      padding: 12px;
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid rgba(220, 231, 227, 0.85);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .process-mini-item:hover {
      transform: translateY(-2px);
      border-color: rgba(20, 125, 115, 0.30);
      box-shadow: var(--shadow-sm);
    }

    .process-num {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--color-primary);
      color: #fff;
      font-size: 13px;
      font-weight: 900;
    }

    .process-mini-item strong {
      display: block;
      margin-bottom: 2px;
      line-height: 1.35;
    }

    .process-mini-item span {
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .warning-list {
      display: grid;
      gap: 10px;
      margin-top: 16px;
      padding: 0;
      list-style: none;
    }

    .warning-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .warning-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      margin-top: 9px;
      flex: 0 0 auto;
    }

    .related-section {
      padding-top: 0;
    }

    .related-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 22px;
      margin-bottom: 26px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 22px;
    }

    .related-card {
      display: grid;
      grid-template-columns: 210px 1fr;
      gap: 20px;
      align-items: stretch;
      min-height: 190px;
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(20, 125, 115, 0.35);
      box-shadow: var(--shadow-md);
    }

    .related-image {
      overflow: hidden;
      background: var(--color-bg-alt);
    }

    .related-image img {
      width: 100%;
      height: 100%;
      min-height: 190px;
      object-fit: cover;
      transition: transform 420ms ease;
    }

    .related-card:hover .related-image img {
      transform: scale(1.05);
    }

    .related-body {
      padding: 22px 22px 22px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .related-body h3 {
      margin: 10px 0 9px;
      font-size: 22px;
      line-height: 1.35;
      font-weight: 820;
      transition: color var(--transition);
    }

    .related-card:hover h3 {
      color: var(--color-primary);
    }

    .related-body p {
      margin: 0 0 14px;
      color: var(--color-muted);
      line-height: 1.75;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

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

    .compact-link {
      padding: 20px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.92);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .compact-link:hover {
      transform: translateY(-3px);
      border-color: rgba(20, 125, 115, 0.35);
      box-shadow: var(--shadow-md);
    }

    .compact-link h3 {
      margin: 8px 0 8px;
      font-size: 18px;
      line-height: 1.45;
      font-weight: 800;
      transition: color var(--transition);
    }

    .compact-link:hover h3 {
      color: var(--color-primary);
    }

    .compact-link p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.82fr 1.18fr;
      gap: 38px;
      align-items: start;
    }

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

    .faq-item {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item.is-open {
      border-color: rgba(20, 125, 115, 0.32);
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--color-text);
      font-weight: 800;
      text-align: left;
    }

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

    .faq-item.is-open .faq-icon {
      transform: rotate(45deg);
      background: var(--color-primary);
      color: #fff;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      border-left: 4px solid var(--color-primary);
      margin: 0 0 18px 22px;
      color: var(--color-muted);
      line-height: 1.85;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      padding: 42px;
      background:
        linear-gradient(135deg, rgba(20, 125, 115, 0.94), rgba(15, 101, 93, 0.94)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -90px;
      bottom: -130px;
      width: 310px;
      height: 310px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.12);
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta-card h2 {
      margin: 0 0 12px;
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.25;
      font-weight: 860;
      letter-spacing: -0.03em;
    }

    .cta-card p {
      margin: 0;
      max-width: 760px;
      color: rgba(255, 255, 255, 0.86);
      font-size: 17px;
      line-height: 1.85;
    }

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

    .cta-card .btn-secondary {
      border-color: rgba(255, 255, 255, 0.70);
    }

    .site-footer {
      margin-top: 18px;
      padding: 58px 0 28px;
      background: var(--color-footer);
      color: rgba(255, 255, 255, 0.82);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.75fr 0.75fr;
      gap: 42px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 850;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .footer-text {
      margin: 0;
      max-width: 560px;
      color: rgba(255, 255, 255, 0.72);
      line-height: 1.85;
    }

    .footer-title {
      color: #fff;
      font-weight: 820;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, 0.72);
      transition: color var(--transition), transform var(--transition);
    }

    .footer-links a:hover {
      color: #D8F2ED;
      transform: translateX(3px);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .footer-bottom {
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(255, 255, 255, 0.58);
      font-size: 14px;
    }

    .footer-warning {
      display: inline-flex;
      align-items: center;
      padding: 6px 12px;
      border-radius: var(--radius-pill);
      background: rgba(233, 132, 58, 0.14);
      color: #FFD8BA;
      border: 1px solid rgba(233, 132, 58, 0.26);
      font-weight: 750;
    }

    @media (max-width: 1200px) {
      :root {
        --section: 82px;
      }

      .article-layout {
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 28px;
      }

      .nav-link {
        padding-inline: 12px;
      }
    }

    @media (max-width: 992px) {
      .menu-toggle {
        display: inline-flex;
      }

      .nav-menu {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 16px;
        border: 1px solid var(--color-border);
        border-radius: 22px;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--shadow-md);
      }

      .nav-menu.is-open {
        display: flex;
      }

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

      .nav-cta {
        margin-left: 0;
        width: 100%;
      }

      .nav-cta .btn {
        width: 100%;
      }

      .article-layout,
      .faq-wrap,
      .related-grid {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
      }

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

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

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

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

      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      :root {
        --section: 66px;
      }

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

      .nav-wrap {
        min-height: 68px;
      }

      .brand-text {
        font-size: 16px;
        max-width: 58vw;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .article-banner {
        padding: 32px 0 38px;
      }

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

      .redline-note {
        grid-template-columns: 1fr;
      }

      .article-content {
        padding: 28px 22px 34px;
        font-size: 16px;
      }

      .article-cover img {
        aspect-ratio: 16 / 9;
      }

      .article-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
      }

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

      .related-body {
        padding: 0 20px 22px;
      }

      .related-image img {
        min-height: 180px;
        aspect-ratio: 16 / 9;
      }

      .cta-card {
        padding: 30px 22px;
        border-radius: 24px;
      }

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

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

    @media (max-width: 520px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .article-title {
        letter-spacing: -0.03em;
      }

      .breadcrumb-wrap {
        font-size: 13px;
      }

      .article-meta {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
      }

      .meta-dot {
        display: none;
      }

      .side-card {
        padding: 20px;
      }

      .faq-question {
        padding: 16px 18px;
      }

      .faq-answer {
        margin-left: 18px;
        padding-right: 18px;
      }
    }

/* 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}