/* roulang page: index */
:root {
      --bg: #f7f3ee;
      --bg-soft: #fffaf4;
      --surface: #ffffff;
      --surface-strong: #15151a;
      --primary: #9b3f2f;
      --primary-dark: #6f2c22;
      --primary-soft: #fff0e7;
      --accent: #d79b55;
      --accent-soft: #fff6e8;
      --text: #211d1b;
      --text-soft: #645b55;
      --muted: #8a817b;
      --border: rgba(69, 52, 42, 0.14);
      --shadow: 0 22px 60px rgba(70, 43, 29, 0.13);
      --shadow-soft: 0 12px 34px rgba(70, 43, 29, 0.08);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --container: 1180px;
      --header-h: 78px;
      --transition: 180ms ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(215, 155, 85, 0.18), transparent 36%),
        linear-gradient(180deg, #fffaf6 0%, var(--bg) 52%, #fff 100%);
      line-height: 1.72;
      min-width: 320px;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(215, 155, 85, 0.55);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header-h);
      background: rgba(255, 250, 246, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }

    .nav-wrap {
      height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      display: grid;
      place-items: center;
      box-shadow: 0 12px 28px rgba(155, 63, 47, 0.25);
      flex: 0 0 auto;
    }

    .brand-name {
      font-size: 17px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 420px;
    }

    .nav-toggle {
      display: none;
    }

    .nav-button {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: var(--surface);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      box-shadow: var(--shadow-soft);
    }

    .nav-button span {
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: var(--text);
      transition: transform var(--transition), opacity var(--transition);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px;
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid var(--border);
      border-radius: 999px;
    }

    .nav-links a {
      padding: 10px 18px;
      border-radius: 999px;
      color: var(--text-soft);
      font-weight: 700;
      font-size: 14px;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #fff;
      background: var(--surface-strong);
      transform: translateY(-1px);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      box-shadow: 0 12px 24px rgba(155, 63, 47, 0.2);
    }

    .nav-action:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(155, 63, 47, 0.26);
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 86px 0 70px;
      color: #fff;
      background-image:
        linear-gradient(110deg, rgba(20, 16, 16, 0.88) 0%, rgba(37, 23, 20, 0.72) 46%, rgba(68, 34, 24, 0.36) 100%),
        url('/assets/images/backpic/back-1.jpg');
      background-size: cover;
      background-position: center;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -10% -150px -10%;
      height: 220px;
      background: linear-gradient(180deg, transparent, var(--bg));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.12fr 0.88fr;
      gap: 50px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      width: fit-content;
      padding: 8px 14px;
      border: 1px solid rgba(255, 255, 255, 0.24);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.11);
      backdrop-filter: blur(10px);
      color: rgba(255, 255, 255, 0.88);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 24px;
    }

    .eyebrow i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #7df0b2;
      box-shadow: 0 0 0 6px rgba(125, 240, 178, 0.16);
    }

    .hero h1 {
      max-width: 860px;
      font-size: clamp(38px, 6vw, 70px);
      line-height: 1.06;
      letter-spacing: -0.055em;
      margin-bottom: 24px;
    }

    .hero-lead {
      max-width: 760px;
      color: rgba(255, 255, 255, 0.82);
      font-size: clamp(17px, 2vw, 21px);
      line-height: 1.86;
      margin-bottom: 34px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 50px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #f2c483);
      color: #24140c;
      box-shadow: 0 18px 38px rgba(215, 155, 85, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 24px 48px rgba(215, 155, 85, 0.35);
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.24);
      backdrop-filter: blur(10px);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.17);
      transform: translateY(-3px);
    }

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

    .note-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      color: rgba(255, 255, 255, 0.78);
      font-size: 13px;
      font-weight: 700;
    }

    .note-pill::before {
      content: "✓";
      color: #7df0b2;
      font-weight: 900;
    }

    .hero-panel {
      padding: 18px;
      border-radius: 34px;
      background: rgba(255, 255, 255, 0.13);
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(16px);
      box-shadow: 0 28px 80px rgba(0, 0, 0, 0.22);
    }

    .hero-card {
      overflow: hidden;
      border-radius: 26px;
      background: #fff;
      color: var(--text);
    }

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

    .hero-card-body {
      padding: 24px;
    }

    .hero-card-body h2 {
      font-size: 24px;
      line-height: 1.28;
      margin-bottom: 10px;
      letter-spacing: -0.03em;
    }

    .hero-card-body p {
      color: var(--text-soft);
      margin-bottom: 18px;
    }

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

    .status-item {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 14px;
      border-radius: 14px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      font-weight: 800;
    }

    .status-item span {
      color: var(--muted);
      font-weight: 700;
    }

    main {
      position: relative;
      z-index: 3;
    }

    .section {
      padding: 74px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-bottom: 12px;
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
    }

    .section-kicker::before {
      content: "";
      width: 28px;
      height: 2px;
      border-radius: 999px;
      background: var(--accent);
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -0.045em;
      max-width: 760px;
    }

    .section-desc {
      max-width: 480px;
      color: var(--text-soft);
      font-size: 16px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 22px;
    }

    .card {
      position: relative;
      overflow: hidden;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow);
      border-color: rgba(155, 63, 47, 0.25);
    }

    .icon {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 14px 30px rgba(155, 63, 47, 0.2);
      margin-bottom: 18px;
      font-weight: 900;
    }

    .card h3 {
      font-size: 21px;
      line-height: 1.36;
      margin-bottom: 10px;
      letter-spacing: -0.025em;
    }

    .card p {
      color: var(--text-soft);
    }

    .feature-band {
      border-radius: 36px;
      overflow: hidden;
      background: var(--surface-strong);
      color: #fff;
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      min-height: 430px;
      box-shadow: var(--shadow);
    }

    .feature-image {
      min-height: 430px;
      background-image:
        linear-gradient(180deg, rgba(20, 20, 24, 0.08), rgba(20, 20, 24, 0.18)),
        url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
    }

    .feature-content {
      padding: 54px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .feature-content h2 {
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.16;
      letter-spacing: -0.045em;
      margin-bottom: 18px;
    }

    .feature-content p {
      color: rgba(255, 255, 255, 0.74);
      margin-bottom: 28px;
      font-size: 17px;
    }

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

    .check-list li {
      list-style: none;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: rgba(255, 255, 255, 0.86);
      font-weight: 700;
    }

    .check-list li::before {
      content: "✓";
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      background: rgba(215, 155, 85, 0.18);
      color: #ffd799;
      font-size: 13px;
      margin-top: 2px;
    }

    .image-card {
      padding: 0;
    }

    .image-card img {
      height: 220px;
      width: 100%;
      object-fit: cover;
    }

    .image-card .card-body {
      padding: 24px;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 7px 11px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 900;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 16px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: 58px 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: var(--radius-md);
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
    }

    .step::before {
      content: counter(step, decimal-leading-zero);
      width: 58px;
      height: 58px;
      border-radius: 20px;
      display: grid;
      place-items: center;
      background: var(--surface-strong);
      color: #fff;
      font-weight: 900;
      letter-spacing: -0.04em;
    }

    .step h3 {
      font-size: 20px;
      margin-bottom: 6px;
      letter-spacing: -0.02em;
    }

    .step p {
      color: var(--text-soft);
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 150px 1fr auto;
      align-items: center;
      gap: 18px;
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
    }

    .news-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(155, 63, 47, 0.25);
    }

    .news-meta {
      display: flex;
      flex-direction: column;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .news-cat {
      width: fit-content;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: #86531c;
    }

    .news-main h3 {
      font-size: 19px;
      line-height: 1.38;
      margin-bottom: 6px;
    }

    .news-main p {
      color: var(--text-soft);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-arrow {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--surface-strong);
      color: #fff;
      font-weight: 900;
    }

    .empty-news {
      padding: 26px;
      border-radius: var(--radius-md);
      background: var(--surface);
      border: 1px dashed rgba(155, 63, 47, 0.28);
      color: var(--muted);
      font-weight: 800;
      text-align: center;
    }

    .proof {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr 1.25fr;
      gap: 16px;
    }

    .proof-card {
      padding: 24px;
      border-radius: var(--radius-md);
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
    }

    .proof-number {
      display: block;
      font-size: 38px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -0.055em;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .proof-card p {
      color: var(--text-soft);
      font-weight: 700;
    }

    .proof-card.dark {
      background:
        linear-gradient(135deg, rgba(155, 63, 47, 0.94), rgba(35, 28, 26, 0.96)),
        url('/assets/images/backpic/back-3.jpg');
      background-size: cover;
      background-position: center;
      color: #fff;
    }

    .proof-card.dark p {
      color: rgba(255, 255, 255, 0.78);
    }

    .faq {
      display: grid;
      grid-template-columns: 0.78fr 1.22fr;
      gap: 28px;
      align-items: start;
    }

    .faq-side {
      position: sticky;
      top: calc(var(--header-h) + 24px);
      padding: 28px;
      border-radius: var(--radius-lg);
      background: var(--surface-strong);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .faq-side h2 {
      font-size: 34px;
      line-height: 1.18;
      letter-spacing: -0.04em;
      margin-bottom: 14px;
    }

    .faq-side p {
      color: rgba(255, 255, 255, 0.72);
      margin-bottom: 20px;
    }

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

    .faq-item {
      border-radius: var(--radius-md);
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 22px 24px;
      font-weight: 900;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

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

    .faq-item[open] summary::after {
      content: "−";
      background: var(--surface-strong);
      color: #fff;
    }

    .faq-item p {
      padding: 0 24px 22px;
      color: var(--text-soft);
    }

    .cta {
      padding: 58px;
      border-radius: 38px;
      background:
        radial-gradient(circle at 15% 20%, rgba(215, 155, 85, 0.38), transparent 34%),
        linear-gradient(135deg, #211715, #3a201b 58%, #8a372b);
      color: #fff;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      overflow: hidden;
      position: relative;
    }

    .cta::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      right: -80px;
      top: -90px;
      background: rgba(255, 255, 255, 0.08);
      pointer-events: none;
    }

    .cta h2 {
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.14;
      letter-spacing: -0.045em;
      margin-bottom: 12px;
      position: relative;
      z-index: 2;
    }

    .cta p {
      color: rgba(255, 255, 255, 0.76);
      max-width: 760px;
      position: relative;
      z-index: 2;
    }

    .cta-form {
      min-width: 300px;
      padding: 14px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: flex;
      gap: 10px;
      position: relative;
      z-index: 2;
    }

    .cta-form input {
      min-width: 0;
      width: 100%;
      border: 0;
      border-radius: 14px;
      padding: 0 14px;
      background: rgba(255, 255, 255, 0.92);
      color: var(--text);
      min-height: 48px;
    }

    .cta-form button {
      white-space: nowrap;
      border-radius: 14px;
      padding: 0 16px;
      min-height: 48px;
      background: var(--accent);
      color: #21140c;
      font-weight: 900;
    }

    .cta-form button:hover {
      background: #f2c483;
      transform: translateY(-1px);
    }

    .site-footer {
      padding: 52px 0 30px;
      background: #141316;
      color: rgba(255, 255, 255, 0.72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.75fr 0.75fr;
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
    }

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

    .footer-col h3 {
      color: #fff;
      margin-bottom: 14px;
      font-size: 16px;
    }

    .footer-col p {
      max-width: 520px;
    }

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

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      font-size: 13px;
      color: rgba(255, 255, 255, 0.55);
    }

    @media (max-width: 1024px) {
      .brand-name {
        max-width: 310px;
      }

      .hero-inner,
      .feature-band,
      .faq,
      .cta {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 620px;
      }

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

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

      .cta-form {
        max-width: 520px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: 70px;
      }

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

      .nav-action {
        display: none;
      }

      .nav-button {
        display: flex;
      }

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(var(--header-h) + 10px);
        display: none;
        border-radius: 22px;
        padding: 12px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: var(--shadow);
      }

      .nav-links a {
        display: block;
        width: 100%;
        text-align: center;
        padding: 13px 16px;
      }

      .nav-toggle:checked ~ .nav-links {
        display: grid;
        gap: 8px;
      }

      .nav-toggle:checked + .nav-button span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
      }

      .nav-toggle:checked + .nav-button span:nth-child(2) {
        opacity: 0;
      }

      .nav-toggle:checked + .nav-button span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
      }

      .brand-name {
        max-width: 230px;
        font-size: 15px;
      }

      .hero {
        padding: 62px 0 52px;
      }

      .hero h1 {
        font-size: clamp(34px, 12vw, 52px);
      }

      .section {
        padding: 56px 0;
      }

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

      .grid-3,
      .grid-2 {
        grid-template-columns: 1fr;
      }

      .feature-content {
        padding: 34px 26px;
      }

      .feature-image {
        min-height: 280px;
      }

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

      .news-arrow {
        display: none;
      }

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

      .footer-bottom {
        flex-direction: column;
      }
    }

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

      .btn,
      .cta-form button {
        width: 100%;
      }

      .hero-card img,
      .image-card img {
        height: 190px;
      }

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

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

      .cta {
        padding: 34px 22px;
        border-radius: 28px;
      }

      .card {
        padding: 22px;
      }
    }

/* roulang page: article */
:root {
      --bg: #f7f3ee;
      --bg-soft: #fffaf4;
      --surface: #ffffff;
      --surface-strong: #15151a;
      --primary: #9b3f2f;
      --primary-dark: #6f2c22;
      --primary-soft: #fff0e7;
      --accent: #d79b55;
      --accent-soft: #fff6e8;
      --text: #211d1b;
      --text-soft: #645b55;
      --muted: #8a817b;
      --border: rgba(69, 52, 42, 0.14);
      --shadow: 0 22px 60px rgba(70, 43, 29, 0.13);
      --shadow-soft: 0 12px 34px rgba(70, 43, 29, 0.08);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --container: 1180px;
      --header-h: 78px;
      --transition: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(215, 155, 85, 0.18), transparent 36%),
        linear-gradient(180deg, #fffaf6 0%, var(--bg) 48%, #ffffff 100%);
      line-height: 1.72;
      min-width: 320px;
      overflow-x: hidden;
    }

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

    a:hover {
      color: inherit;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(155, 63, 47, 0.18);
      color: var(--primary-dark);
    }

    :focus-visible {
      outline: 3px solid rgba(215, 155, 85, 0.55);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header-h);
      background: rgba(255, 250, 246, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }

    .nav-wrap {
      height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--text);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      display: grid;
      place-items: center;
      box-shadow: 0 12px 28px rgba(155, 63, 47, 0.25);
      flex: 0 0 auto;
      font-weight: 900;
    }

    .brand-name {
      font-size: 17px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 420px;
    }

    .nav-toggle {
      display: none;
    }

    .nav-button {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: var(--surface);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      box-shadow: var(--shadow-soft);
    }

    .nav-button span {
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: var(--text);
      transition: transform var(--transition), opacity var(--transition);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px;
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid var(--border);
      border-radius: 999px;
    }

    .nav-links a {
      padding: 10px 18px;
      border-radius: 999px;
      color: var(--text-soft);
      font-weight: 700;
      font-size: 14px;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #fff;
      background: var(--surface-strong);
      transform: translateY(-1px);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      box-shadow: 0 12px 24px rgba(155, 63, 47, 0.2);
      white-space: nowrap;
    }

    .nav-action:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(155, 63, 47, 0.26);
    }

    .article-hero {
      position: relative;
      overflow: hidden;
      padding: 74px 0 64px;
      color: #fff;
      background-image:
        linear-gradient(112deg, rgba(21, 21, 26, 0.9) 0%, rgba(64, 35, 27, 0.74) 54%, rgba(155, 63, 47, 0.34) 100%),
        url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
    }

    .article-hero::after {
      content: "";
      position: absolute;
      inset: auto -12% -140px -12%;
      height: 210px;
      background: linear-gradient(180deg, transparent, var(--bg));
      pointer-events: none;
    }

    .article-hero-inner {
      position: relative;
      z-index: 2;
      max-width: 940px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      width: fit-content;
      padding: 8px 14px;
      border: 1px solid rgba(255, 255, 255, 0.24);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.11);
      backdrop-filter: blur(10px);
      color: rgba(255, 255, 255, 0.9);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 22px;
    }

    .eyebrow i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #7df0b2;
      box-shadow: 0 0 0 6px rgba(125, 240, 178, 0.16);
    }

    .article-hero h1 {
      max-width: 980px;
      margin: 0 0 22px;
      font-size: clamp(34px, 5.4vw, 62px);
      line-height: 1.08;
      letter-spacing: -0.05em;
      word-break: break-word;
    }

    .article-summary {
      max-width: 850px;
      margin: 0;
      color: rgba(255, 255, 255, 0.84);
      font-size: clamp(16px, 2vw, 20px);
      line-height: 1.88;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }

    .meta-pill,
    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 14px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 13px;
      line-height: 1;
    }

    .meta-pill {
      color: rgba(255, 255, 255, 0.92);
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .badge-soft {
      color: var(--primary-dark);
      background: var(--primary-soft);
      border: 1px solid rgba(155, 63, 47, 0.12);
    }

    main {
      position: relative;
      z-index: 3;
    }

    .section {
      padding: 72px 0;
    }

    .section-tight {
      padding: 52px 0;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 34px;
      align-items: start;
      margin-top: -34px;
    }

    .article-card,
    .side-card,
    .info-card,
    .faq-item,
    .cta-panel {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      border-radius: var(--radius-lg);
    }

    .article-card {
      padding: clamp(24px, 4vw, 46px);
      overflow: hidden;
    }

    .article-cover {
      margin: 0 0 34px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: 0 16px 42px rgba(70, 43, 29, 0.12);
      position: relative;
    }

    .article-cover img {
      width: 100%;
      height: clamp(230px, 34vw, 410px);
      object-fit: cover;
      transition: transform 420ms ease;
    }

    .article-cover:hover img {
      transform: scale(1.035);
    }

    .article-cover figcaption {
      position: absolute;
      left: 18px;
      bottom: 18px;
      right: 18px;
      padding: 12px 14px;
      border-radius: 16px;
      color: #fff;
      font-weight: 800;
      background: rgba(21, 21, 26, 0.56);
      backdrop-filter: blur(12px);
      font-size: 14px;
    }

    .content-status {
      padding: 24px;
      border-radius: 22px;
      background: var(--accent-soft);
      border: 1px solid rgba(215, 155, 85, 0.22);
      color: var(--text-soft);
    }

    .article-content {
      color: var(--text);
      font-size: 17px;
      line-height: 1.92;
      word-break: break-word;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      color: var(--text);
      font-weight: 900;
      line-height: 1.28;
      letter-spacing: -0.025em;
      margin: 38px 0 16px;
    }

    .article-content h2 {
      font-size: clamp(26px, 3vw, 34px);
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .article-content h3 {
      font-size: clamp(22px, 2.4vw, 28px);
    }

    .article-content p {
      margin: 0 0 20px;
    }

    .article-content a {
      color: var(--primary);
      font-weight: 800;
      border-bottom: 1px solid rgba(155, 63, 47, 0.28);
    }

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

    .article-content ul,
    .article-content ol {
      margin: 18px 0 24px;
      padding-left: 1.3em;
    }

    .article-content li {
      margin-bottom: 10px;
      padding-left: 4px;
    }

    .article-content blockquote {
      margin: 30px 0;
      padding: 22px 24px;
      border-left: 5px solid var(--primary);
      border-radius: 0 22px 22px 0;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 800;
    }

    .article-content img {
      border-radius: 22px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      margin: 28px 0;
    }

    .article-content table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      margin: 28px 0;
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: #fff;
    }

    .article-content th,
    .article-content td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border);
      vertical-align: top;
    }

    .article-content th {
      background: var(--accent-soft);
      color: var(--primary-dark);
      font-weight: 900;
    }

    .article-content tr:last-child td {
      border-bottom: 0;
    }

    .side-stack {
      display: grid;
      gap: 18px;
      position: sticky;
      top: calc(var(--header-h) + 22px);
    }

    .side-card {
      padding: 22px;
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 14px;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .side-card p {
      margin: 0 0 14px;
      color: var(--text-soft);
      font-size: 15px;
    }

    .side-card img {
      width: 100%;
      height: 170px;
      object-fit: cover;
      border-radius: 20px;
      margin-bottom: 16px;
      border: 1px solid var(--border);
    }

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

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text-soft);
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 900;
      font-size: 12px;
      margin-top: 2px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 50px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }

    .btn-primary-custom {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 14px 28px rgba(155, 63, 47, 0.22);
    }

    .btn-primary-custom:hover {
      color: #fff;
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(155, 63, 47, 0.28);
    }

    .btn-ghost {
      color: var(--primary-dark);
      background: #fff;
      border-color: var(--border);
    }

    .btn-ghost:hover {
      color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-soft);
      border-color: rgba(155, 63, 47, 0.28);
      background: var(--primary-soft);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      width: fit-content;
      margin-bottom: 10px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0.08em;
    }

    .section-title {
      margin: 0;
      max-width: 760px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.14;
      letter-spacing: -0.045em;
      font-weight: 950;
    }

    .section-desc {
      margin: 10px 0 0;
      max-width: 660px;
      color: var(--text-soft);
      font-size: 16px;
    }

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

    .info-card {
      padding: 26px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .info-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
      border-color: rgba(155, 63, 47, 0.22);
    }

    .info-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 12px 26px rgba(155, 63, 47, 0.2);
      font-weight: 900;
      margin-bottom: 18px;
    }

    .info-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .info-card p {
      margin: 0;
      color: var(--text-soft);
      font-size: 15px;
    }

    .notice-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(112deg, rgba(21, 21, 26, 0.9), rgba(111, 44, 34, 0.78)),
        url('/assets/images/backpic/back-3.jpg');
      background-size: cover;
      background-position: center;
      color: #fff;
      padding: clamp(28px, 5vw, 54px);
      box-shadow: var(--shadow);
    }

    .notice-panel::before {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(215, 155, 85, 0.22);
      filter: blur(4px);
    }

    .notice-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 0.82fr;
      gap: 34px;
      align-items: center;
    }

    .notice-panel h2 {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: -0.04em;
    }

    .notice-panel p {
      margin: 0;
      color: rgba(255, 255, 255, 0.82);
      font-size: 16px;
    }

    .notice-box {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.18);
      backdrop-filter: blur(14px);
    }

    .notice-box strong {
      display: block;
      margin-bottom: 8px;
      color: #fff;
      font-size: 18px;
    }

    .notice-box span {
      display: block;
      color: rgba(255, 255, 255, 0.8);
      font-size: 15px;
    }

    .faq-list {
      display: grid;
      gap: 16px;
    }

    .faq-item {
      padding: 24px 26px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .faq-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(155, 63, 47, 0.2);
    }

    .faq-item h3 {
      margin: 0 0 10px;
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .faq-item p {
      margin: 0;
      color: var(--text-soft);
      font-size: 15px;
    }

    .cta-panel {
      overflow: hidden;
      padding: clamp(28px, 5vw, 54px);
      background:
        radial-gradient(circle at 18% 20%, rgba(215, 155, 85, 0.18), transparent 28%),
        linear-gradient(135deg, #ffffff, #fff5ec);
    }

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

    .cta-panel h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: -0.04em;
    }

    .cta-panel p {
      margin: 0;
      max-width: 760px;
      color: var(--text-soft);
    }

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

    .site-footer {
      padding: 62px 0 26px;
      color: rgba(255, 255, 255, 0.78);
      background: #15151a;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) 0.7fr 0.8fr;
      gap: 34px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .footer-col p {
      margin: 0;
      max-width: 560px;
      color: rgba(255, 255, 255, 0.68);
      font-size: 15px;
    }

    .footer-col h3 {
      margin: 0 0 16px;
      color: #fff;
      font-size: 17px;
      font-weight: 900;
    }

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

    .footer-links a {
      width: fit-content;
      color: rgba(255, 255, 255, 0.7);
      font-size: 15px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 24px;
      color: rgba(255, 255, 255, 0.54);
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      :root {
        --header-h: 70px;
      }

      .brand-name {
        max-width: 280px;
      }

      .nav-action {
        display: none;
      }

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

      .side-stack {
        position: static;
        grid-template-columns: repeat(2, 1fr);
      }

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

      .notice-content,
      .cta-grid {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav-button {
        display: inline-flex;
      }

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(var(--header-h) + 10px);
        display: grid;
        gap: 8px;
        padding: 12px;
        border-radius: 22px;
        background: rgba(255, 250, 246, 0.98);
        box-shadow: var(--shadow);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
      }

      .nav-links a {
        display: block;
        text-align: center;
        padding: 13px 16px;
      }

      .nav-toggle:checked ~ .nav-button span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
      }

      .nav-toggle:checked ~ .nav-button span:nth-child(2) {
        opacity: 0;
      }

      .nav-toggle:checked ~ .nav-button span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
      }

      .nav-toggle:checked ~ .nav-links {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
      }

      .article-hero {
        padding: 56px 0 48px;
      }

      .section,
      .section-tight {
        padding: 48px 0;
      }

      .article-layout {
        margin-top: -22px;
      }

      .side-stack,
      .info-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .article-card {
        border-radius: 24px;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .brand-name {
        max-width: 190px;
        font-size: 15px;
      }

      .article-meta {
        gap: 8px;
      }

      .meta-pill,
      .badge-soft {
        width: 100%;
        justify-content: center;
      }

      .article-cover figcaption {
        position: static;
        border-radius: 0;
        background: var(--surface-strong);
      }

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

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

      .btn {
        width: 100%;
      }

      .cta-actions {
        width: 100%;
      }

      .footer-bottom {
        display: grid;
      }
    }

/* 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}