/* roulang page: index */
:root {
      --color-primary: #F0643A;
      --color-primary-dark: #D9512B;
      --color-secondary: #231815;
      --color-secondary-soft: #3A2A24;
      --color-accent: #F5C66B;
      --color-bg: #FFF8F1;
      --color-bg-soft: #F8EFE6;
      --color-card: #FFFFFF;
      --color-text: #2A1E1A;
      --color-muted: #7C6F67;
      --color-line: rgba(70, 45, 30, 0.12);
      --color-line-strong: rgba(240, 100, 58, 0.24);
      --shadow-soft: 0 18px 45px rgba(100, 60, 30, 0.10);
      --shadow-hover: 0 24px 56px rgba(100, 60, 30, 0.16);
      --radius-lg: 28px;
      --radius-md: 22px;
      --radius-sm: 14px;
      --container: 1200px;
      --header-height: 76px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 92px;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(245, 198, 107, 0.18), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(240, 100, 58, 0.12), transparent 30%),
        linear-gradient(180deg, var(--color-bg), #fff 42%, var(--color-bg-soft));
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input,
    textarea {
      width: 100%;
      border: 1px solid var(--color-line);
      border-radius: 16px;
      background: rgba(255,255,255,0.86);
      color: var(--color-text);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus,
    textarea:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(240, 100, 58, 0.14);
      background: #fff;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(255, 248, 241, 0.88);
      border-bottom: 1px solid rgba(70,45,30,0.08);
      transition: box-shadow var(--ease), background var(--ease);
    }

    .site-header.is-scrolled {
      box-shadow: 0 10px 26px rgba(80, 50, 30, 0.08);
      background: rgba(255, 248, 241, 0.96);
    }

    .nav {
      height: var(--header-height);
      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;
      color: var(--color-secondary);
      letter-spacing: -0.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      border-radius: 50%;
      background:
        linear-gradient(135deg, var(--color-primary), #FF8B5F 58%, var(--color-accent));
      display: grid;
      place-items: center;
      box-shadow: 0 12px 28px rgba(240,100,58,0.24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      background: rgba(255,255,255,0.88);
      border-radius: 6px;
    }

    .brand-mark::before {
      width: 18px;
      height: 18px;
      left: 11px;
      top: 12px;
      clip-path: polygon(50% 0, 100% 42%, 100% 100%, 0 100%, 0 42%);
    }

    .brand-mark::after {
      width: 7px;
      height: 7px;
      right: 10px;
      bottom: 10px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-title {
      font-size: 17px;
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 3px;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-muted);
      letter-spacing: 0.08em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--color-secondary-soft);
      font-size: 15px;
      font-weight: 650;
    }

    .nav-links a:hover,
    .nav-links a:focus {
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.09);
      outline: none;
    }

    .nav-links a.active {
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.12);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-line);
      background: rgba(255,255,255,0.76);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: var(--color-secondary);
      position: relative;
      border-radius: 999px;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 20px;
      height: 2px;
      background: var(--color-secondary);
      border-radius: 999px;
      transition: transform var(--ease), top var(--ease), opacity var(--ease);
    }

    .menu-toggle span::before { top: -7px; }
    .menu-toggle span::after { top: 7px; }

    .menu-toggle.is-open span {
      background: transparent;
    }

    .menu-toggle.is-open span::before {
      top: 0;
      transform: rotate(45deg);
    }

    .menu-toggle.is-open span::after {
      top: 0;
      transform: rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 750;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn:focus-visible,
    .card-link:focus-visible,
    .faq-question:focus-visible,
    .menu-toggle:focus-visible {
      outline: 3px solid rgba(240,100,58,0.28);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fff;
      background: var(--color-primary);
      box-shadow: 0 14px 26px rgba(240,100,58,0.25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: var(--color-primary-dark);
      box-shadow: 0 18px 34px rgba(240,100,58,0.32);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-secondary {
      color: var(--color-secondary);
      background: rgba(255,255,255,0.78);
      border-color: rgba(240,100,58,0.24);
    }

    .btn-secondary:hover {
      background: #fff2e7;
      border-color: rgba(240,100,58,0.38);
      transform: translateY(-2px);
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 56px 0;
    }

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

    .section-title {
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.22;
      letter-spacing: -0.03em;
      color: var(--color-secondary);
      font-weight: 850;
    }

    .section-desc {
      margin-top: 12px;
      max-width: 680px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(240,100,58,0.10);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 750;
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(240,100,58,0.14);
    }

    .hero {
      position: relative;
      padding: 74px 0 42px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,248,241,0.96), rgba(255,248,241,0.72) 45%, rgba(255,248,241,0.96)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity: 0.82;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      right: -180px;
      top: 30px;
      border-radius: 50%;
      background: rgba(245,198,107,0.22);
      filter: blur(6px);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
      align-items: center;
      gap: 52px;
    }

    .hero-copy {
      padding: 28px 0;
    }

    h1 {
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.16;
      letter-spacing: -0.055em;
      color: var(--color-secondary);
      font-weight: 900;
      max-width: 760px;
    }

    .hero-lead {
      margin-top: 22px;
      max-width: 720px;
      color: #5E4E45;
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 30px;
    }

    .hero-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
      list-style: none;
    }

    .hero-pills li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,0.78);
      border: 1px solid var(--color-line);
      color: var(--color-secondary-soft);
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 10px 26px rgba(100,60,30,0.06);
    }

    .hero-pills li::before {
      content: "✓";
      width: 20px;
      height: 20px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: var(--color-primary);
      font-size: 12px;
    }

    .hero-showcase {
      position: relative;
      min-height: 500px;
    }

    .showcase-main {
      position: relative;
      height: 440px;
      border-radius: 34px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255,255,255,0.68);
      isolation: isolate;
      transform: rotate(1.2deg);
    }

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

    .showcase-main::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(35,24,21,0.02), rgba(35,24,21,0.58)),
        linear-gradient(135deg, rgba(240,100,58,0.16), transparent 42%);
      z-index: 1;
    }

    .showcase-caption {
      position: absolute;
      left: 26px;
      right: 26px;
      bottom: 24px;
      z-index: 2;
      color: #fff;
    }

    .showcase-caption strong {
      display: block;
      font-size: 22px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .showcase-caption span {
      color: rgba(255,255,255,0.82);
      font-size: 14px;
    }

    .float-card {
      position: absolute;
      z-index: 4;
      border-radius: 24px;
      background: rgba(255,255,255,0.92);
      border: 1px solid rgba(255,255,255,0.75);
      box-shadow: 0 18px 38px rgba(70,45,30,0.14);
      backdrop-filter: blur(14px);
      padding: 18px;
    }

    .float-card.hot {
      left: -24px;
      top: 52px;
      width: 210px;
    }

    .float-card.update {
      right: -16px;
      bottom: 72px;
      width: 230px;
    }

    .float-label {
      display: inline-flex;
      align-items: center;
      padding: 5px 10px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: rgba(240,100,58,0.10);
      font-weight: 800;
      font-size: 12px;
      margin-bottom: 10px;
    }

    .float-card p {
      color: var(--color-secondary);
      font-size: 15px;
      font-weight: 750;
      line-height: 1.55;
    }

    .info-band {
      margin-top: 18px;
      position: relative;
      z-index: 2;
    }

    .band-inner {
      display: grid;
      grid-template-columns: 1.1fr 1fr 1fr 1fr;
      border-radius: 28px;
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .band-item {
      padding: 22px 24px;
      min-height: 106px;
      border-right: 1px solid var(--color-line);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .band-item:last-child {
      border-right: 0;
    }

    .band-item strong {
      display: block;
      font-size: 18px;
      color: var(--color-secondary);
      margin-bottom: 5px;
    }

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

    .band-item.highlight {
      background: linear-gradient(135deg, rgba(240,100,58,0.12), rgba(245,198,107,0.15));
    }

    .entry-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
      gap: 24px;
      align-items: stretch;
    }

    .entry-primary,
    .entry-card,
    .step-panel,
    .proof-panel,
    .empty-state,
    .feedback-box {
      background: var(--color-card);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }

    .entry-primary {
      min-height: 460px;
      position: relative;
      overflow: hidden;
      padding: 34px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }

    .entry-primary img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      transform: scale(1.02);
      transition: transform 400ms ease;
    }

    .entry-primary:hover img {
      transform: scale(1.06);
    }

    .entry-primary::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(35,24,21,0.02), rgba(35,24,21,0.76)),
        linear-gradient(135deg, rgba(240,100,58,0.24), rgba(245,198,107,0.08));
      z-index: 1;
    }

    .entry-content {
      position: relative;
      z-index: 2;
      color: #fff;
      max-width: 560px;
    }

    .entry-content .tag {
      background: rgba(255,255,255,0.18);
      color: #fff;
      border-color: rgba(255,255,255,0.24);
    }

    .entry-content h3 {
      font-size: 30px;
      line-height: 1.25;
      margin: 16px 0 12px;
    }

    .entry-content p {
      color: rgba(255,255,255,0.84);
      margin-bottom: 20px;
    }

    .entry-side {
      display: grid;
      gap: 20px;
    }

    .entry-card {
      padding: 24px;
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 18px;
      align-items: center;
      min-height: 138px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .entry-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--color-line-strong);
    }

    .entry-icon {
      width: 72px;
      height: 72px;
      border-radius: 22px;
      background: linear-gradient(135deg, rgba(240,100,58,0.12), rgba(245,198,107,0.28));
      display: grid;
      place-items: center;
      color: var(--color-primary-dark);
      font-weight: 900;
      font-size: 22px;
    }

    .entry-card h3 {
      font-size: 20px;
      line-height: 1.32;
      color: var(--color-secondary);
      margin-bottom: 6px;
    }

    .entry-card p {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 10px;
      color: var(--color-primary-dark);
      font-weight: 800;
      font-size: 14px;
      border-radius: 8px;
    }

    .card-link:hover {
      gap: 10px;
      color: var(--color-primary);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: rgba(240,100,58,0.10);
      border: 1px solid rgba(240,100,58,0.14);
      font-size: 12px;
      font-weight: 800;
    }

    .flow-section {
      background: linear-gradient(180deg, rgba(248,239,230,0.62), rgba(255,255,255,0.42));
      border-block: 1px solid rgba(70,45,30,0.06);
    }

    .flow-grid {
      display: grid;
      grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1.14fr);
      gap: 34px;
      align-items: center;
    }

    .flow-visual {
      position: relative;
      border-radius: 32px;
      overflow: hidden;
      min-height: 420px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255,255,255,0.76);
    }

    .flow-visual img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .flow-visual::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent, rgba(35,24,21,0.56));
    }

    .flow-note {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      z-index: 2;
      border-radius: 24px;
      padding: 20px;
      background: rgba(255,255,255,0.88);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.72);
    }

    .flow-note strong {
      color: var(--color-secondary);
      font-size: 18px;
      display: block;
      margin-bottom: 4px;
    }

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

    .steps {
      display: grid;
      gap: 16px;
    }

    .step-panel {
      padding: 22px;
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 18px;
      align-items: start;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .step-panel:nth-child(2) {
      margin-left: 42px;
    }

    .step-panel:nth-child(3) {
      margin-left: 12px;
    }

    .step-panel:hover {
      transform: translateY(-3px);
      border-color: var(--color-line-strong);
      box-shadow: var(--shadow-hover);
    }

    .step-number {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: var(--color-secondary);
      color: var(--color-accent);
      font-weight: 900;
    }

    .step-panel h3 {
      font-size: 20px;
      line-height: 1.32;
      margin-bottom: 6px;
      color: var(--color-secondary);
    }

    .step-panel p {
      color: var(--color-muted);
      font-size: 15px;
    }

    .latest-wrap {
      display: grid;
      grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
      gap: 28px;
      align-items: start;
    }

    .latest-intro {
      position: sticky;
      top: 96px;
      padding: 30px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(35,24,21,0.96), rgba(58,42,36,0.94));
      color: #fff;
      overflow: hidden;
    }

    .latest-intro::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -90px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(245,198,107,0.18);
    }

    .latest-intro .eyebrow {
      background: rgba(245,198,107,0.14);
      color: var(--color-accent);
    }

    .latest-intro h2 {
      font-size: 34px;
      line-height: 1.22;
      margin-bottom: 14px;
    }

    .latest-intro p {
      color: rgba(255,255,255,0.76);
    }

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

    .post-card {
      position: relative;
      display: grid;
      grid-template-columns: 132px 1fr;
      gap: 18px;
      padding: 18px;
      border-radius: 24px;
      background: var(--color-card);
      border: 1px solid var(--color-line);
      box-shadow: 0 12px 30px rgba(100,60,30,0.07);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .post-card:first-child {
      grid-template-columns: minmax(160px, 0.42fr) minmax(0, 0.58fr);
      padding: 22px;
      border-radius: 30px;
      min-height: 246px;
      background: linear-gradient(135deg, #fff, #fff8f1);
    }

    .post-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--color-line-strong);
    }

    .post-thumb {
      border-radius: 20px;
      overflow: hidden;
      min-height: 118px;
      background: linear-gradient(135deg, rgba(240,100,58,0.14), rgba(245,198,107,0.26));
    }

    .post-card:first-child .post-thumb {
      min-height: 200px;
      border-radius: 24px;
    }

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

    .post-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--color-muted);
      font-size: 13px;
      margin-bottom: 8px;
    }

    .post-category {
      color: var(--color-primary-dark);
      font-weight: 800;
      background: rgba(240,100,58,0.10);
      padding: 4px 9px;
      border-radius: 999px;
    }

    .post-card h3 {
      font-size: 20px;
      line-height: 1.35;
      color: var(--color-secondary);
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .post-card:first-child h3 {
      font-size: 25px;
    }

    .post-card p {
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .post-card:first-child p {
      -webkit-line-clamp: 3;
    }

    .empty-state {
      padding: 38px;
      text-align: center;
      min-height: 260px;
      display: grid;
      place-items: center;
    }

    .empty-icon {
      width: 74px;
      height: 74px;
      border-radius: 24px;
      margin: 0 auto 18px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(240,100,58,0.12), rgba(245,198,107,0.28));
      color: var(--color-primary-dark);
      font-size: 30px;
      font-weight: 900;
    }

    .proof-section {
      padding-top: 18px;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 28px;
      align-items: stretch;
    }

    .proof-panel {
      padding: 30px;
    }

    .proof-panel.dark {
      color: #fff;
      background:
        linear-gradient(135deg, rgba(35,24,21,0.90), rgba(61,43,35,0.86)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      overflow: hidden;
      position: relative;
    }

    .proof-panel.dark p {
      color: rgba(255,255,255,0.76);
    }

    .proof-panel h2 {
      font-size: 34px;
      line-height: 1.22;
      margin-bottom: 14px;
    }

    .proof-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
      list-style: none;
    }

    .proof-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 15px;
      border-radius: 18px;
      background: rgba(255,255,255,0.72);
      border: 1px solid var(--color-line);
    }

    .proof-list li::before {
      content: "";
      width: 10px;
      height: 10px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(240,100,58,0.12);
      flex: 0 0 auto;
    }

    .proof-list strong {
      display: block;
      color: var(--color-secondary);
      margin-bottom: 2px;
    }

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

    .mini-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 28px;
    }

    .metric {
      padding: 20px;
      border-radius: 22px;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.16);
    }

    .metric strong {
      display: block;
      font-size: 26px;
      line-height: 1;
      color: var(--color-accent);
      margin-bottom: 8px;
    }

    .metric span {
      color: rgba(255,255,255,0.76);
      font-size: 14px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: minmax(260px, 0.36fr) minmax(0, 0.64fr);
      gap: 30px;
      align-items: start;
    }

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

    .faq-item {
      background: var(--color-card);
      border: 1px solid var(--color-line);
      border-radius: 22px;
      overflow: hidden;
      box-shadow: 0 10px 26px rgba(100,60,30,0.06);
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      text-align: left;
      color: var(--color-secondary);
      font-weight: 800;
    }

    .faq-question:hover {
      background: rgba(240,100,58,0.06);
    }

    .faq-icon {
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: rgba(240,100,58,0.10);
      color: var(--color-primary-dark);
      display: grid;
      place-items: center;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease;
    }

    .faq-answer p {
      padding: 0 22px 20px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .faq-item.is-open .faq-answer {
      max-height: 180px;
    }

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

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

    .feedback-box {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 30px;
      padding: 34px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,248,241,0.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .feedback-form {
      display: grid;
      gap: 14px;
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,0.84);
      border: 1px solid rgba(255,255,255,0.76);
      box-shadow: 0 12px 28px rgba(100,60,30,0.08);
    }

    .feedback-form label {
      display: grid;
      gap: 7px;
      color: var(--color-secondary);
      font-weight: 750;
      font-size: 14px;
    }

    .feedback-form input,
    .feedback-form textarea {
      padding: 13px 15px;
    }

    .feedback-form textarea {
      min-height: 112px;
      resize: vertical;
    }

    .cta-band {
      padding: 48px;
      border-radius: 34px;
      color: #fff;
      background:
        radial-gradient(circle at 88% 20%, rgba(245,198,107,0.26), transparent 30%),
        linear-gradient(135deg, var(--color-primary), #B93D24 54%, var(--color-secondary));
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      box-shadow: 0 22px 56px rgba(185,61,36,0.18);
      overflow: hidden;
      position: relative;
    }

    .cta-band h2 {
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.22;
      margin-bottom: 10px;
    }

    .cta-band p {
      color: rgba(255,255,255,0.80);
      max-width: 680px;
    }

    .cta-band .btn-secondary {
      background: #fff;
      color: var(--color-primary-dark);
      border-color: transparent;
    }

    .site-footer {
      margin-top: 72px;
      color: rgba(255,255,255,0.78);
      background: var(--color-secondary);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
      gap: 34px;
      padding: 50px 0 36px;
    }

    .footer-brand {
      color: #fff;
      font-weight: 850;
      font-size: 20px;
      margin-bottom: 10px;
    }

    .footer-text {
      max-width: 520px;
      color: rgba(255,255,255,0.68);
      font-size: 15px;
    }

    .footer-col h3 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 12px;
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255,255,255,0.70);
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--color-accent);
      outline: none;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.10);
      padding: 18px 0 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-size: 13px;
      color: rgba(255,255,255,0.56);
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0,0,0,0);
      white-space: nowrap;
      border: 0;
    }

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

      .hero {
        padding-top: 54px;
      }

      .hero-grid,
      .entry-layout,
      .flow-grid,
      .latest-wrap,
      .proof-grid,
      .faq-grid,
      .feedback-box {
        grid-template-columns: 1fr;
      }

      .hero-showcase {
        min-height: auto;
      }

      .showcase-main {
        height: 420px;
        transform: none;
      }

      .float-card.hot {
        left: 18px;
        top: 22px;
      }

      .float-card.update {
        right: 18px;
        bottom: 24px;
      }

      .latest-intro {
        position: relative;
        top: auto;
      }

      .step-panel:nth-child(2),
      .step-panel:nth-child(3) {
        margin-left: 0;
      }

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

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(var(--header-height) + 8px);
        padding: 14px;
        border-radius: 24px;
        background: rgba(255,248,241,0.98);
        border: 1px solid var(--color-line);
        box-shadow: var(--shadow-soft);
        display: none;
        flex-direction: column;
        align-items: stretch;
      }

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

      .nav-links a {
        min-height: 48px;
        justify-content: center;
      }

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

      .nav-actions .btn {
        display: none;
      }

      .brand-title {
        font-size: 15px;
        max-width: 210px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .brand-sub {
        display: none;
      }

      .section {
        padding: 62px 0;
      }

      .section-head {
        display: block;
      }

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

      .hero-actions .btn {
        flex: 1 1 220px;
      }

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

      .band-item:nth-child(2) {
        border-right: 0;
      }

      .band-item:nth-child(1),
      .band-item:nth-child(2) {
        border-bottom: 1px solid var(--color-line);
      }

      .entry-primary {
        min-height: 390px;
        padding: 24px;
      }

      .entry-card,
      .post-card,
      .post-card:first-child {
        grid-template-columns: 1fr;
      }

      .post-thumb,
      .post-card:first-child .post-thumb {
        min-height: 180px;
      }

      .flow-visual,
      .flow-visual img {
        min-height: 360px;
        height: 360px;
      }

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

      .cta-band {
        padding: 32px;
        flex-direction: column;
        align-items: flex-start;
      }

      .footer-inner,
      .footer-bottom {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 31px;
      }

      .hero {
        padding-top: 38px;
      }

      .showcase-main {
        height: 330px;
        border-radius: 26px;
      }

      .float-card {
        position: relative;
        left: auto !important;
        right: auto !important;
        top: auto !important;
        bottom: auto !important;
        width: auto !important;
        margin-top: 14px;
      }

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

      .band-item,
      .band-item:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid var(--color-line);
      }

      .band-item:last-child {
        border-bottom: 0;
      }

      .entry-card {
        grid-template-columns: 58px 1fr;
        padding: 18px;
      }

      .entry-icon {
        width: 58px;
        height: 58px;
        border-radius: 18px;
        font-size: 18px;
      }

      .entry-content h3,
      .latest-intro h2,
      .proof-panel h2 {
        font-size: 26px;
      }

      .feedback-box,
      .proof-panel,
      .latest-intro {
        padding: 24px;
      }

      .cta-band {
        padding: 26px;
        border-radius: 28px;
      }

      .btn {
        width: 100%;
      }
    }

/* roulang page: article */
:root {
      --color-primary: #F0643A;
      --color-primary-dark: #D9512B;
      --color-secondary: #231815;
      --color-secondary-soft: #3A2A24;
      --color-accent: #F5C66B;
      --color-bg: #FFF8F1;
      --color-bg-soft: #F8EFE6;
      --color-card: #FFFFFF;
      --color-text: #2A1E1A;
      --color-muted: #7C6F67;
      --color-line: rgba(70, 45, 30, 0.12);
      --color-line-strong: rgba(240, 100, 58, 0.24);
      --shadow-soft: 0 18px 45px rgba(100, 60, 30, 0.10);
      --shadow-hover: 0 24px 56px rgba(100, 60, 30, 0.16);
      --radius-lg: 28px;
      --radius-md: 22px;
      --radius-sm: 14px;
      --container: 1200px;
      --header-height: 76px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 92px;
    }

    body {
      min-height: 100vh;
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(245, 198, 107, 0.18), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(240, 100, 58, 0.12), transparent 30%),
        linear-gradient(180deg, var(--color-bg), #fff 42%, var(--color-bg-soft));
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input,
    textarea {
      width: 100%;
      border: 1px solid var(--color-line);
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.86);
      color: var(--color-text);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus,
    textarea:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(240, 100, 58, 0.14);
      background: #fff;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(255, 248, 241, 0.88);
      border-bottom: 1px solid rgba(70, 45, 30, 0.08);
      transition: box-shadow var(--ease), background var(--ease);
    }

    .site-header.is-scrolled {
      box-shadow: 0 10px 26px rgba(80, 50, 30, 0.08);
      background: rgba(255, 248, 241, 0.96);
    }

    .nav {
      height: var(--header-height);
      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;
      color: var(--color-secondary);
      letter-spacing: -0.02em;
    }

    .brand:hover,
    .brand:focus {
      color: var(--color-secondary);
      outline: none;
    }

    .brand:focus-visible {
      box-shadow: 0 0 0 4px rgba(240, 100, 58, 0.18);
      border-radius: 18px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), #FF8B5F 58%, var(--color-accent));
      display: grid;
      place-items: center;
      box-shadow: 0 12px 28px rgba(240, 100, 58, 0.24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      background: rgba(255, 255, 255, 0.88);
      border-radius: 6px;
    }

    .brand-mark::before {
      width: 18px;
      height: 18px;
      left: 11px;
      top: 12px;
      clip-path: polygon(50% 0, 100% 42%, 100% 100%, 0 100%, 0 42%);
    }

    .brand-mark::after {
      width: 7px;
      height: 7px;
      right: 10px;
      bottom: 10px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-title {
      font-size: 17px;
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 3px;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-muted);
      letter-spacing: 0.08em;
    }

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

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--color-secondary-soft);
      font-size: 15px;
      font-weight: 650;
    }

    .nav-links a:hover,
    .nav-links a:focus {
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.09);
      outline: none;
    }

    .nav-links a:focus-visible {
      box-shadow: 0 0 0 4px rgba(240, 100, 58, 0.16);
    }

    .nav-links a.active {
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.12);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-line);
      background: rgba(255, 255, 255, 0.76);
      align-items: center;
      justify-content: center;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .menu-toggle:hover,
    .menu-toggle:focus {
      border-color: var(--color-line-strong);
      background: #fff;
      outline: none;
      box-shadow: 0 10px 24px rgba(100, 60, 30, 0.10);
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: var(--color-secondary);
      position: relative;
      border-radius: 999px;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 20px;
      height: 2px;
      background: var(--color-secondary);
      border-radius: 999px;
      transition: transform var(--ease), top var(--ease), opacity var(--ease);
    }

    .menu-toggle span::before {
      top: -7px;
    }

    .menu-toggle span::after {
      top: 7px;
    }

    .menu-toggle.is-open span {
      background: transparent;
    }

    .menu-toggle.is-open span::before {
      top: 0;
      transform: rotate(45deg);
    }

    .menu-toggle.is-open span::after {
      top: 0;
      transform: rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 750;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn:focus {
      outline: none;
    }

    .btn:focus-visible {
      box-shadow: 0 0 0 4px rgba(240, 100, 58, 0.18);
    }

    .btn-primary {
      color: #fff;
      background: var(--color-primary);
      border-color: var(--color-primary);
      box-shadow: 0 14px 30px rgba(240, 100, 58, 0.24);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      background: var(--color-primary-dark);
      border-color: var(--color-primary-dark);
      box-shadow: 0 18px 38px rgba(240, 100, 58, 0.30);
    }

    .btn-secondary {
      color: var(--color-secondary);
      background: rgba(255, 255, 255, 0.78);
      border-color: rgba(240, 100, 58, 0.26);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--color-primary-dark);
      background: #fff4ea;
      border-color: rgba(240, 100, 58, 0.42);
      box-shadow: 0 12px 28px rgba(100, 60, 30, 0.10);
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 56px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.10);
      border: 1px solid rgba(240, 100, 58, 0.16);
      font-size: 13px;
      font-weight: 750;
      letter-spacing: 0.04em;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--color-accent);
      box-shadow: 0 0 0 4px rgba(245, 198, 107, 0.20);
    }

    .page-main {
      position: relative;
      z-index: 1;
    }

    .article-hero {
      padding: 54px 0 34px;
      position: relative;
      overflow: hidden;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255, 248, 241, 0.94) 0%, rgba(255, 248, 241, 0.86) 48%, rgba(255, 248, 241, 0.40) 100%),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      opacity: 0.82;
      z-index: -2;
    }

    .article-hero::after {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      right: -120px;
      top: -110px;
      border-radius: 50%;
      background: rgba(245, 198, 107, 0.22);
      filter: blur(2px);
      z-index: -1;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin: 0 0 22px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .breadcrumb a {
      color: var(--color-secondary-soft);
      font-weight: 700;
    }

    .breadcrumb a:hover,
    .breadcrumb a:focus {
      color: var(--color-primary-dark);
    }

    .breadcrumb .sep {
      color: rgba(124, 111, 103, 0.72);
    }

    .article-head-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.56fr);
      gap: 42px;
      align-items: end;
    }

    .article-kicker-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }

    .article-title {
      max-width: 850px;
      margin: 0;
      color: var(--color-secondary);
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      font-weight: 850;
    }

    .article-summary {
      max-width: 820px;
      margin: 20px 0 0;
      color: var(--color-secondary-soft);
      font-size: 18px;
      line-height: 1.9;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 0 13px;
      border-radius: 999px;
      color: var(--color-muted);
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid var(--color-line);
      font-size: 14px;
      font-weight: 700;
    }

    .meta-pill strong {
      color: var(--color-secondary-soft);
      font-weight: 800;
    }

    .cover-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      min-height: 320px;
      background: var(--color-card);
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255, 255, 255, 0.72);
      isolation: isolate;
    }

    .cover-card img {
      width: 100%;
      height: 100%;
      min-height: 320px;
      object-fit: cover;
    }

    .cover-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 38%, rgba(35, 24, 21, 0.68));
      z-index: 1;
    }

    .cover-note {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      z-index: 2;
      display: grid;
      gap: 8px;
      color: #fff;
    }

    .cover-note span {
      width: fit-content;
      padding: 5px 10px;
      border-radius: 999px;
      background: rgba(245, 198, 107, 0.92);
      color: #3A2A24;
      font-size: 13px;
      font-weight: 850;
    }

    .cover-note strong {
      font-size: 20px;
      line-height: 1.35;
    }

    .reading-shell {
      display: grid;
      grid-template-columns: minmax(0, 820px) 300px;
      gap: 46px;
      align-items: start;
    }

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

    .article-card {
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      padding: clamp(24px, 4vw, 42px);
    }

    .article-body {
      color: var(--color-text);
      font-size: 17px;
      line-height: 1.9;
      overflow-wrap: anywhere;
    }

    .article-body > *:first-child {
      margin-top: 0;
    }

    .article-body > *:last-child {
      margin-bottom: 0;
    }

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

    .article-body h2 {
      position: relative;
      margin: 42px 0 18px;
      padding-left: 18px;
      color: var(--color-secondary);
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.32;
      font-weight: 850;
      letter-spacing: -0.02em;
    }

    .article-body h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.32em;
      width: 5px;
      height: 1.05em;
      border-radius: 999px;
      background: var(--color-primary);
    }

    .article-body h3 {
      margin: 32px 0 14px;
      color: var(--color-secondary-soft);
      font-size: 22px;
      line-height: 1.4;
      font-weight: 820;
    }

    .article-body h4 {
      margin: 26px 0 12px;
      font-size: 19px;
      font-weight: 800;
      color: var(--color-secondary-soft);
    }

    .article-body ul,
    .article-body ol {
      margin: 16px 0 22px;
      padding-left: 1.35em;
    }

    .article-body li {
      margin: 8px 0;
      padding-left: 4px;
    }

    .article-body blockquote {
      margin: 28px 0;
      padding: 22px 24px;
      border-left: 5px solid var(--color-primary);
      border-radius: 20px;
      color: var(--color-secondary-soft);
      background: #FFF2E7;
      box-shadow: inset 0 0 0 1px rgba(240, 100, 58, 0.08);
    }

    .article-body figure {
      margin: 30px 0;
    }

    .article-body figcaption {
      margin-top: 10px;
      color: var(--color-muted);
      font-size: 14px;
      text-align: center;
    }

    .article-body img {
      border-radius: 22px;
      box-shadow: 0 12px 34px rgba(100, 60, 30, 0.12);
    }

    .article-body a {
      color: var(--color-primary-dark);
      font-weight: 750;
      border-bottom: 1px solid rgba(240, 100, 58, 0.30);
    }

    .article-body a:hover,
    .article-body a:focus {
      color: var(--color-secondary);
      background: rgba(240, 100, 58, 0.08);
      border-bottom-color: var(--color-primary);
      outline: none;
    }

    .article-body table {
      width: 100%;
      display: block;
      overflow-x: auto;
      margin: 28px 0;
      border-collapse: collapse;
      border: 1px solid var(--color-line);
      border-radius: 18px;
      background: #fff;
    }

    .article-body th,
    .article-body td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--color-line);
      min-width: 130px;
      vertical-align: top;
    }

    .article-body th {
      color: var(--color-secondary);
      background: #FFF2E7;
      font-weight: 820;
    }

    .article-body code {
      padding: 2px 7px;
      border-radius: 8px;
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.10);
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
      font-size: 0.92em;
    }

    .not-found-box {
      display: grid;
      gap: 16px;
      place-items: start;
      padding: 28px;
      border-radius: var(--radius-md);
      background: #FFF2E7;
      border: 1px dashed rgba(240, 100, 58, 0.34);
    }

    .not-found-box h2 {
      margin: 0;
      padding: 0;
      font-size: 26px;
    }

    .not-found-box h2::before {
      display: none;
    }

    .not-found-box p {
      margin: 0;
      color: var(--color-muted);
    }

    .side-panel {
      position: sticky;
      top: calc(var(--header-height) + 24px);
      display: grid;
      gap: 18px;
    }

    .side-card {
      padding: 22px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--color-line);
      box-shadow: 0 12px 32px rgba(100, 60, 30, 0.08);
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 14px;
      color: var(--color-secondary);
      font-size: 18px;
      font-weight: 850;
    }

    .side-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .toc-list,
    .mini-list,
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .toc-list {
      display: grid;
      gap: 8px;
    }

    .toc-list a {
      display: flex;
      align-items: center;
      min-height: 38px;
      padding: 0 12px;
      border-radius: 12px;
      color: var(--color-secondary-soft);
      background: rgba(248, 239, 230, 0.56);
      font-size: 14px;
      font-weight: 720;
    }

    .toc-list a:hover,
    .toc-list a:focus {
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.10);
      outline: none;
    }

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

    .mini-list a {
      display: grid;
      gap: 4px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(248, 239, 230, 0.58);
      border: 1px solid transparent;
    }

    .mini-list a:hover,
    .mini-list a:focus {
      border-color: rgba(240, 100, 58, 0.24);
      background: #fff;
      box-shadow: 0 10px 24px rgba(100, 60, 30, 0.08);
      outline: none;
    }

    .mini-list strong {
      color: var(--color-secondary);
      font-size: 14px;
      line-height: 1.45;
    }

    .mini-list span {
      color: var(--color-muted);
      font-size: 12px;
    }

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

    .section-heading h2 {
      margin: 12px 0 0;
      color: var(--color-secondary);
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.24;
      font-weight: 850;
      letter-spacing: -0.03em;
    }

    .section-heading p {
      max-width: 560px;
      margin: 10px 0 0;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .related-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.95fr 0.95fr;
      gap: 18px;
    }

    .related-card {
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
      padding: 24px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid var(--color-line);
      box-shadow: 0 12px 32px rgba(100, 60, 30, 0.08);
      overflow: hidden;
      position: relative;
    }

    .related-card:first-child {
      background:
        linear-gradient(135deg, rgba(35, 24, 21, 0.82), rgba(240, 100, 58, 0.62)),
        url("/assets/images/coverpic/cover-3.webp") center/cover no-repeat;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.22);
    }

    .related-card:hover,
    .related-card:focus-within {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(240, 100, 58, 0.28);
    }

    .related-card .tag {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.10);
      font-size: 12px;
      font-weight: 850;
    }

    .related-card:first-child .tag {
      color: var(--color-secondary);
      background: rgba(245, 198, 107, 0.92);
    }

    .related-card h3 {
      margin: 14px 0 10px;
      color: var(--color-secondary);
      font-size: 21px;
      line-height: 1.38;
      font-weight: 850;
    }

    .related-card:first-child h3,
    .related-card:first-child p,
    .related-card:first-child .card-meta {
      color: #fff;
    }

    .related-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .card-meta {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 720;
    }

    .card-link {
      color: var(--color-primary-dark);
      font-weight: 850;
    }

    .related-card:first-child .card-link {
      color: var(--color-accent);
    }

    .entry-band {
      border-radius: var(--radius-lg);
      padding: clamp(24px, 5vw, 42px);
      background:
        linear-gradient(135deg, rgba(255, 248, 241, 0.94), rgba(255, 255, 255, 0.84)),
        url("/assets/images/coverpic/cover-4.webp") right center/45% auto no-repeat;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .entry-content {
      max-width: 650px;
    }

    .entry-content h2 {
      margin: 12px 0;
      color: var(--color-secondary);
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.25;
      font-weight: 850;
      letter-spacing: -0.03em;
    }

    .entry-content p {
      margin: 0 0 22px;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .entry-points {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 24px 0 0;
    }

    .entry-points span {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      color: var(--color-secondary-soft);
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--color-line);
      font-size: 13px;
      font-weight: 780;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.72fr 1fr;
      gap: 34px;
      align-items: start;
    }

    .faq-intro h2 {
      margin: 12px 0;
      color: var(--color-secondary);
      font-size: clamp(26px, 4vw, 38px);
      font-weight: 850;
      line-height: 1.25;
      letter-spacing: -0.03em;
    }

    .faq-intro p {
      margin: 0;
      color: var(--color-muted);
      line-height: 1.85;
    }

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

    details.faq-item {
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--color-line);
      box-shadow: 0 10px 28px rgba(100, 60, 30, 0.06);
      overflow: hidden;
    }

    details.faq-item[open] {
      border-color: rgba(240, 100, 58, 0.24);
      box-shadow: var(--shadow-soft);
    }

    .faq-item summary {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      cursor: pointer;
      color: var(--color-secondary);
      font-weight: 820;
      list-style: none;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      flex: 0 0 30px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--color-primary-dark);
      background: rgba(240, 100, 58, 0.10);
      font-size: 20px;
      line-height: 1;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-item[open] summary::after {
      content: "–";
      background: rgba(245, 198, 107, 0.36);
      transform: rotate(180deg);
    }

    .faq-item p {
      margin: 0;
      padding: 0 22px 22px;
      color: var(--color-muted);
      line-height: 1.82;
    }

    .feedback-card {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
      gap: 28px;
      align-items: center;
      padding: clamp(26px, 5vw, 44px);
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 12% 20%, rgba(245, 198, 107, 0.26), transparent 28%),
        linear-gradient(135deg, var(--color-secondary), #3C281F 58%, #6B382A);
      color: #fff;
      box-shadow: var(--shadow-hover);
      overflow: hidden;
      position: relative;
    }

    .feedback-card::after {
      content: "";
      position: absolute;
      width: 240px;
      height: 240px;
      right: -80px;
      bottom: -90px;
      border-radius: 50%;
      background: rgba(240, 100, 58, 0.34);
    }

    .feedback-copy {
      position: relative;
      z-index: 1;
    }

    .feedback-copy .eyebrow {
      color: #3A2A24;
      background: rgba(245, 198, 107, 0.92);
      border-color: rgba(255, 255, 255, 0.18);
    }

    .feedback-copy .eyebrow::before {
      background: #fff;
      box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.20);
    }

    .feedback-copy h2 {
      margin: 16px 0 12px;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.18;
      font-weight: 850;
      letter-spacing: -0.03em;
    }

    .feedback-copy p {
      margin: 0;
      color: rgba(255, 255, 255, 0.78);
      line-height: 1.85;
    }

    .feedback-form {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.20);
      backdrop-filter: blur(12px);
    }

    .feedback-form input,
    .feedback-form textarea {
      background: rgba(255, 255, 255, 0.94);
      padding: 13px 15px;
    }

    .feedback-form textarea {
      min-height: 104px;
      resize: vertical;
    }

    .site-footer {
      padding: 56px 0 28px;
      background: var(--color-secondary);
      color: rgba(255, 255, 255, 0.82);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) 0.55fr 0.55fr;
      gap: 36px;
      align-items: start;
    }

    .footer-brand {
      color: #fff;
      font-size: 22px;
      font-weight: 850;
      letter-spacing: -0.02em;
    }

    .footer-text {
      max-width: 520px;
      margin: 12px 0 0;
      color: rgba(255, 255, 255, 0.70);
      line-height: 1.85;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 16px;
      font-weight: 820;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.70);
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--color-accent);
      outline: none;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      margin-top: 38px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      color: rgba(255, 255, 255, 0.56);
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .nav-links {
        gap: 2px;
      }

      .nav-links a {
        padding: 0 10px;
      }

      .reading-shell {
        grid-template-columns: minmax(0, 1fr);
      }

      .side-panel {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .related-card:first-child {
        grid-column: 1 / -1;
      }
    }

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

      .nav-actions .btn {
        display: none;
      }

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

      .cover-card,
      .cover-card img {
        min-height: 260px;
      }

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

      .entry-band {
        background:
          linear-gradient(135deg, rgba(255, 248, 241, 0.96), rgba(255, 255, 255, 0.88)),
          url("/assets/images/coverpic/cover-4.webp") right bottom/56% auto no-repeat;
      }
    }

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

      .brand-title {
        font-size: 15px;
      }

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

      .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
      }

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(var(--header-height) + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255, 248, 241, 0.98);
        border: 1px solid var(--color-line);
        box-shadow: var(--shadow-soft);
      }

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

      .nav-links a {
        min-height: 46px;
        justify-content: center;
      }

      .article-hero {
        padding: 36px 0 24px;
      }

      .article-title {
        font-size: clamp(30px, 9vw, 40px);
      }

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

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 42px 0;
      }

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

      .article-body {
        font-size: 16px;
        line-height: 1.88;
      }

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

      .section-heading {
        display: block;
      }

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

      .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      .brand-text {
        max-width: 230px;
      }

      .brand-title {
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .article-meta {
        gap: 8px;
      }

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

      .cover-card,
      .cover-card img {
        min-height: 220px;
      }

      .article-card {
        padding: 20px;
      }

      .article-body h2 {
        padding-left: 14px;
      }

      .entry-band {
        background: rgba(255, 255, 255, 0.88);
      }

      .btn {
        width: 100%;
      }

      .feedback-form {
        padding: 14px;
      }

      .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}