/* roulang page: index */
:root{
      --bg: #f4ede3;
      --bg-soft: #efe4d7;
      --surface: #fffaf4;
      --surface-2: #f8f1e7;
      --surface-dark: #201814;
      --surface-dark-2: #2a1f1a;
      --brand: #c98534;
      --brand-2: #a85f2d;
      --accent: #8d3d35;
      --accent-2: #6f2b2b;
      --text: #241a15;
      --muted: #6c5d54;
      --line: rgba(63, 46, 35, .12);
      --line-strong: rgba(63, 46, 35, .18);
      --shadow: 0 22px 60px rgba(39, 24, 16, .12);
      --shadow-lg: 0 30px 80px rgba(39, 24, 16, .18);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --radius-xs: 11px;
      --container: 1280px;
      --ease: 240ms cubic-bezier(.2,.8,.2,1);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(201,133,52,.12), transparent 26%),
        radial-gradient(circle at top right, rgba(141,61,53,.08), transparent 24%),
        linear-gradient(180deg, #f8f2ea 0%, #f4ede3 36%, #f1e7d8 100%);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

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

    ::selection {
      background: rgba(201, 133, 52, .22);
      color: var(--surface-dark);
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .skip-link {
      position: absolute;
      left: 16px;
      top: -44px;
      background: var(--surface-dark);
      color: #fff;
      padding: 10px 16px;
      border-radius: 999px;
      z-index: 9999;
    }
    .skip-link:focus { top: 14px; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(30, 22, 18, .96);
      border-bottom: 1px solid rgba(255,255,255,.06);
      box-shadow: 0 8px 30px rgba(19, 13, 10, .18);
      backdrop-filter: none;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 78px;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      min-width: 0;
      font-weight: 800;
      letter-spacing: .02em;
    }
    .brand-badge {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(145deg, rgba(201,133,52,1), rgba(168,95,45,1));
      color: #fff;
      box-shadow: 0 14px 30px rgba(201,133,52,.25);
      flex: 0 0 auto;
    }
    .brand-badge span {
      font-size: 18px;
      line-height: 1;
      letter-spacing: .02em;
    }
    .brand-name {
      font-size: 18px;
      white-space: nowrap;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.14);
      color: #fff;
      background: rgba(255,255,255,.04);
    }
    .nav-toggle:focus-visible,
    .nav-toggle:hover {
      border-color: rgba(201,133,52,.7);
      box-shadow: 0 0 0 4px rgba(201,133,52,.16);
      outline: none;
    }
    .nav-toggle svg { width: 22px; height: 22px; }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-list {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
    }

    .nav-list a {
      display: inline-flex;
      align-items: center;
      height: 44px;
      padding: 0 16px;
      border-radius: 999px;
      color: rgba(255,255,255,.84);
      border: 1px solid transparent;
      font-size: 14px;
      letter-spacing: .02em;
    }
    .nav-list a:hover,
    .nav-list a:focus-visible {
      color: #fff;
      border-color: rgba(201,133,52,.45);
      background: rgba(255,255,255,.05);
      outline: none;
    }
    .nav-list a.is-active {
      background: linear-gradient(145deg, rgba(201,133,52,1), rgba(168,95,45,1));
      color: #fff;
      box-shadow: 0 14px 30px rgba(201,133,52,.18);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-left: 8px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 14px;
      border: 1px solid transparent;
      font-weight: 700;
      letter-spacing: .01em;
      transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease), border-color var(--ease), color var(--ease), opacity var(--ease);
      white-space: nowrap;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }
    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(201,133,52,.18);
    }
    .btn-primary {
      background: linear-gradient(145deg, var(--brand), var(--brand-2));
      color: #fff;
      box-shadow: 0 16px 34px rgba(201,133,52,.22);
    }
    .btn-primary:hover { box-shadow: 0 20px 40px rgba(201,133,52,.28); }
    .btn-secondary {
      background: rgba(255,255,255,.06);
      color: #fff;
      border-color: rgba(255,255,255,.15);
    }
    .btn-secondary:hover {
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.28);
    }
    .btn-ghost {
      background: transparent;
      border-color: rgba(63, 46, 35, .18);
      color: var(--text);
    }
    .btn-ghost:hover {
      border-color: rgba(201,133,52,.45);
      background: rgba(201,133,52,.08);
      color: var(--surface-dark);
    }
    .btn-light {
      background: #fff;
      color: var(--surface-dark);
      border-color: rgba(255,255,255,.9);
    }

    .hero {
      position: relative;
      padding: 44px 0 48px;
      background:
        linear-gradient(180deg, rgba(20,14,11,.34), rgba(20,14,11,.72)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: #fff;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -10% -48% -10%;
      height: 240px;
      background: radial-gradient(circle, rgba(201,133,52,.18), transparent 70%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 42px;
      align-items: center;
      min-height: 680px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.09);
      color: rgba(255,255,255,.92);
      border: 1px solid rgba(255,255,255,.14);
      font-size: 13px;
      letter-spacing: .04em;
      margin-bottom: 18px;
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(42px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: -.03em;
      max-width: 12ch;
    }

    .hero-copy p {
      margin: 18px 0 0;
      font-size: 18px;
      line-height: 1.9;
      color: rgba(255,255,255,.86);
      max-width: 36em;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-search {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      max-width: 560px;
      margin-top: 26px;
      padding: 10px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
    }

    .hero-search input {
      width: 100%;
      min-height: 48px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 14px;
      padding: 0 16px;
      background: rgba(255,255,255,.96);
      color: var(--text);
      outline: none;
    }
    .hero-search input::placeholder { color: #8d7c70; }
    .hero-search input:focus {
      border-color: rgba(201,133,52,.65);
      box-shadow: 0 0 0 4px rgba(201,133,52,.14);
    }
    .hero-search button {
      min-width: 140px;
      border-radius: 14px;
      background: linear-gradient(145deg, var(--brand), var(--brand-2));
      color: #fff;
      font-weight: 700;
      padding: 0 18px;
      min-height: 48px;
      box-shadow: 0 14px 28px rgba(201,133,52,.22);
    }
    .hero-search button:hover { transform: translateY(-1px); }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
      margin-top: 26px;
      max-width: 740px;
    }

    .point {
      padding: 14px 14px 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      backdrop-filter: none;
    }
    .point strong {
      display: block;
      font-size: 20px;
      line-height: 1.2;
      margin-bottom: 4px;
      color: #fff;
    }
    .point span {
      display: block;
      font-size: 13px;
      line-height: 1.55;
      color: rgba(255,255,255,.74);
    }

    .hero-visual {
      position: relative;
    }

    .visual-shell {
      position: relative;
      padding: 18px;
      border-radius: 30px;
      background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.04));
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: var(--shadow-lg);
    }

    .visual-grid {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 16px;
    }

    .visual-card {
      position: relative;
      overflow: hidden;
      border-radius: 22px;
      min-height: 220px;
      background: #120d0b;
      border: 1px solid rgba(255,255,255,.12);
    }
    .visual-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .95;
      transform: scale(1.02);
    }
    .visual-card::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 68%;
      background: linear-gradient(180deg, transparent, rgba(16,10,8,.85));
    }
    .visual-card .caption {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 14px;
      z-index: 1;
    }
    .visual-card .caption strong {
      display: block;
      font-size: 18px;
      line-height: 1.25;
      margin-bottom: 6px;
    }
    .visual-card .caption span {
      display: block;
      font-size: 13px;
      line-height: 1.55;
      color: rgba(255,255,255,.78);
    }

    .visual-stack {
      display: grid;
      gap: 16px;
    }

    .visual-mini {
      display: grid;
      gap: 16px;
    }
    .mini-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .mini-card {
      border-radius: 20px;
      overflow: hidden;
      min-height: 160px;
      position: relative;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
    }
    .mini-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .mini-card .mini-text {
      position: absolute;
      inset: auto 12px 12px 12px;
      padding: 12px 12px 11px;
      border-radius: 14px;
      background: rgba(16, 10, 8, .56);
      border: 1px solid rgba(255,255,255,.12);
      backdrop-filter: none;
    }
    .mini-card .mini-text strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
      margin-bottom: 4px;
    }
    .mini-card .mini-text span {
      display: block;
      font-size: 12px;
      line-height: 1.5;
      color: rgba(255,255,255,.76);
    }

    .section {
      padding: 84px 0;
    }

    .section.compact {
      padding-top: 28px;
    }

    .section-head {
      display: grid;
      gap: 14px;
      margin-bottom: 30px;
    }
    .section-head.center {
      text-align: center;
      justify-items: center;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 14px;
      border-radius: 999px;
      background: rgba(201,133,52,.12);
      border: 1px solid rgba(201,133,52,.22);
      color: #7f4a1f;
      font-size: 13px;
      letter-spacing: .03em;
    }

    .section h2 {
      margin: 0;
      font-size: clamp(28px, 3.2vw, 40px);
      line-height: 1.16;
      letter-spacing: -.03em;
    }
    .section-lead {
      margin: 0;
      max-width: 60ch;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }
    .section-head.center .section-lead { margin-inline: auto; }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 16px;
    }

    .trust-card {
      padding: 20px 18px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.72);
      border: 1px solid var(--line);
      box-shadow: 0 10px 24px rgba(39, 24, 16, .05);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background-color var(--ease);
    }
    .trust-card:hover {
      transform: translateY(-3px);
      border-color: rgba(201,133,52,.28);
      box-shadow: 0 18px 34px rgba(39, 24, 16, .08);
      background: rgba(255,255,255,.86);
    }
    .trust-card .icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, rgba(201,133,52,.16), rgba(141,61,53,.12));
      color: var(--brand-2);
      margin-bottom: 14px;
      font-weight: 800;
    }
    .trust-card strong {
      display: block;
      font-size: 18px;
      margin-bottom: 8px;
    }
    .trust-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.8;
      font-size: 15px;
    }

    .split-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: center;
    }

    .panel {
      background: rgba(255,255,255,.72);
      border: 1px solid var(--line);
      border-radius: 26px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .panel-body {
      padding: 28px;
    }

    .panel h3 {
      margin: 0 0 14px;
      font-size: clamp(24px, 2.5vw, 32px);
      line-height: 1.2;
      letter-spacing: -.02em;
    }
    .panel p {
      margin: 0;
      color: var(--muted);
      line-height: 1.9;
      font-size: 16px;
    }

    .feature-list {
      list-style: none;
      margin: 22px 0 0;
      padding: 0;
      display: grid;
      gap: 12px;
    }
    .feature-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(201,133,52,.08);
      border: 1px solid rgba(201,133,52,.12);
      color: var(--text);
    }
    .feature-list li::before {
      content: "•";
      color: var(--brand);
      font-weight: 900;
      line-height: 1.2;
      margin-top: -1px;
      flex: 0 0 auto;
    }

    .img-panel {
      min-height: 100%;
      display: flex;
      flex-direction: column;
    }
    .img-panel .img-wrap {
      position: relative;
      min-height: 420px;
      overflow: hidden;
      border-radius: 26px;
      background: #1b1310;
    }
    .img-panel .img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .95;
    }
    .img-panel .overlay {
      position: absolute;
      inset: auto 18px 18px 18px;
      padding: 16px 16px 15px;
      border-radius: 18px;
      background: rgba(20,12,9,.62);
      border: 1px solid rgba(255,255,255,.12);
      color: #fff;
    }
    .img-panel .overlay strong {
      display: block;
      font-size: 18px;
      margin-bottom: 6px;
    }
    .img-panel .overlay span {
      display: block;
      font-size: 13px;
      color: rgba(255,255,255,.8);
      line-height: 1.55;
    }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 18px;
    }

    .content-card {
      overflow: hidden;
      background: rgba(255,255,255,.8);
      border: 1px solid var(--line);
      border-radius: 24px;
      box-shadow: 0 14px 32px rgba(39,24,16,.06);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .content-card:hover {
      transform: translateY(-4px);
      border-color: rgba(201,133,52,.28);
      box-shadow: 0 22px 50px rgba(39,24,16,.11);
    }
    .content-card .cover {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #1a120f;
    }
    .content-card .cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .content-card .cover::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 60%;
      background: linear-gradient(180deg, transparent, rgba(17, 11, 8, .82));
    }
    .content-card .body {
      padding: 18px 18px 20px;
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      font-size: 12px;
      background: rgba(201,133,52,.12);
      color: #80491d;
      border: 1px solid rgba(201,133,52,.18);
    }
    .tag.soft {
      background: rgba(141,61,53,.10);
      color: var(--accent-2);
      border-color: rgba(141,61,53,.14);
    }
    .content-card h3 {
      margin: 0;
      font-size: 20px;
      line-height: 1.35;
      letter-spacing: -.02em;
      min-height: 2.7em;
    }
    .content-card p {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.82;
      min-height: 3.6em;
    }
    .content-card .more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 16px;
      color: var(--brand-2);
      font-weight: 700;
      font-size: 14px;
    }
    .content-card .more::after {
      content: "→";
      transition: transform var(--ease);
    }
    .content-card:hover .more::after {
      transform: translateX(3px);
    }

    .list-section {
      position: relative;
    }

    .list-wrap {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 18px;
    }

    .post-card {
      display: grid;
      grid-template-columns: 140px 1fr;
      gap: 16px;
      align-items: stretch;
      padding: 16px;
      border-radius: 22px;
      background: rgba(255,255,255,.84);
      border: 1px solid var(--line);
      box-shadow: 0 14px 28px rgba(39,24,16,.05);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
      min-height: 100%;
    }
    .post-card:hover {
      transform: translateY(-3px);
      border-color: rgba(201,133,52,.28);
      box-shadow: 0 22px 46px rgba(39,24,16,.10);
    }
    .post-thumb {
      position: relative;
      overflow: hidden;
      border-radius: 18px;
      min-height: 145px;
      background: #1a120f;
    }
    .post-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .post-body {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .post-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 10px;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 12px;
    }
    .meta-dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: rgba(108,93,84,.6);
    }
    .post-title {
      margin: 0;
      font-size: 18px;
      line-height: 1.45;
      letter-spacing: -.02em;
      color: var(--text);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .post-summary {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      min-height: 5.4em;
    }
    .post-link {
      align-self: flex-start;
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand-2);
      font-weight: 700;
      font-size: 14px;
      padding-top: 10px;
    }
    .post-link::after {
      content: "→";
      transition: transform var(--ease);
    }
    .post-card:hover .post-link::after {
      transform: translateX(3px);
    }

    .empty-state {
      grid-column: 1 / -1;
      padding: 28px;
      border-radius: 22px;
      background: rgba(255,255,255,.82);
      border: 1px dashed rgba(201,133,52,.38);
      color: var(--muted);
      font-size: 16px;
      text-align: center;
      box-shadow: 0 12px 26px rgba(39,24,16,.04);
    }

    .reading-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 16px;
    }

    .read-card {
      padding: 22px;
      border-radius: 22px;
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.74));
      border: 1px solid var(--line);
      box-shadow: 0 12px 28px rgba(39,24,16,.06);
    }
    .read-card .num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(201,133,52,.12);
      color: #8a521f;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .read-card h3 {
      margin: 0 0 10px;
      font-size: 19px;
      line-height: 1.35;
    }
    .read-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.88;
    }

    .faq-grid {
      display: grid;
      gap: 14px;
      max-width: 980px;
      margin: 0 auto;
    }

    .faq-item {
      border-radius: 20px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 28px rgba(39,24,16,.05);
      overflow: hidden;
      transition: border-color var(--ease), box-shadow var(--ease), background-color var(--ease);
    }
    .faq-item[open] {
      border-color: rgba(201,133,52,.28);
      box-shadow: 0 18px 38px rgba(39,24,16,.10);
      background: rgba(255,255,255,.94);
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 700;
      color: var(--text);
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: "+";
      width: 32px;
      height: 32px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: rgba(201,133,52,.10);
      color: #8a521f;
      font-size: 20px;
      line-height: 1;
      transition: transform var(--ease), background-color var(--ease);
    }
    .faq-item[open] summary::after {
      content: "–";
      background: rgba(141,61,53,.10);
      color: var(--accent-2);
    }
    .faq-item .answer {
      padding: 0 20px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .cta {
      padding-top: 24px;
    }
    .cta-box {
      position: relative;
      overflow: hidden;
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(32,24,20,.98), rgba(49,36,29,.98)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      color: #fff;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,.08);
    }
    .cta-box::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(32,24,20,.92), rgba(32,24,20,.66));
    }
    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      padding: 38px;
      align-items: center;
    }
    .cta h2 {
      margin: 0;
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.14;
      letter-spacing: -.03em;
    }
    .cta p {
      margin: 16px 0 0;
      color: rgba(255,255,255,.82);
      line-height: 1.9;
      font-size: 17px;
      max-width: 56ch;
    }
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .site-footer {
      margin-top: 20px;
      background: #1b1310;
      color: rgba(255,255,255,.82);
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-inner {
      padding: 46px 0 34px;
      display: grid;
      grid-template-columns: 1.1fr .7fr .7fr;
      gap: 28px;
    }

    .footer-brand {
      display: grid;
      gap: 14px;
    }
    .footer-brand .brand {
      color: #fff;
    }
    .footer-brand p {
      margin: 0;
      color: rgba(255,255,255,.72);
      line-height: 1.9;
      font-size: 15px;
      max-width: 34em;
    }

    .footer-col h3 {
      margin: 6px 0 14px;
      font-size: 16px;
      color: #fff;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: rgba(255,255,255,.78);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      text-decoration: underline;
      text-underline-offset: 4px;
      outline: none;
    }

    .footer-note {
      padding: 16px 0 24px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(255,255,255,.58);
      font-size: 13px;
      line-height: 1.8;
    }

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

    .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;
    }

    .anchor-offset {
      scroll-margin-top: 104px;
    }

    .focus-ring:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(201,133,52,.18);
    }

    @media (max-width: 1200px) {
      .hero-grid { gap: 30px; min-height: 0; padding: 18px 0 10px; }
      .visual-grid { grid-template-columns: 1fr; }
      .mini-row { grid-template-columns: 1fr 1fr; }
      .cta-inner { grid-template-columns: 1fr; }
      .cta-actions { justify-content: flex-start; }
      .footer-inner { grid-template-columns: 1fr 1fr; }
      .footer-brand { grid-column: 1 / -1; }
    }

    @media (max-width: 992px) {
      .trust-grid,
      .content-grid,
      .reading-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .split-grid,
      .list-wrap { grid-template-columns: 1fr; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero h1 { max-width: 16ch; }
      .hero-points { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .post-card { grid-template-columns: 120px 1fr; }
    }

    @media (max-width: 768px) {
      .site-header { position: sticky; }
      .nav-toggle { display: inline-flex; }
      .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: grid;
        gap: 12px;
        padding: 16px 16px 18px;
        background: rgba(30, 22, 18, .98);
        border-bottom: 1px solid rgba(255,255,255,.06);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        visibility: hidden;
        transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
      }
      .site-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
      }
      .nav-list {
        flex-direction: column;
        align-items: stretch;
      }
      .nav-list a { justify-content: center; width: 100%; }
      .header-cta {
        margin-left: 0;
        display: grid;
      }
      .hero {
        padding-top: 28px;
        padding-bottom: 32px;
      }
      .hero-copy p,
      .section-lead,
      .cta p { font-size: 16px; }
      .hero-points,
      .trust-grid,
      .content-grid,
      .reading-grid,
      .footer-inner { grid-template-columns: 1fr; }
      .hero-search {
        grid-template-columns: 1fr;
      }
      .hero-search button {
        width: 100%;
      }
      .panel-body,
      .cta-inner {
        padding: 24px;
      }
      .img-panel .img-wrap { min-height: 320px; }
      .post-card {
        grid-template-columns: 1fr;
      }
      .post-thumb {
        min-height: 210px;
      }
      .section { padding: 64px 0; }
      .hero h1 { font-size: clamp(36px, 8vw, 48px); }
      .mini-row { grid-template-columns: 1fr; }
    }

    @media (max-width: 520px) {
      .container { width: min(100% - 20px, var(--container)); }
      .header-inner { min-height: 72px; }
      .brand-name { font-size: 16px; }
      .brand-badge { width: 38px; height: 38px; border-radius: 12px; }
      .btn { width: 100%; }
      .hero-actions { display: grid; }
      .hero-copy p { font-size: 15px; }
      .point strong { font-size: 18px; }
      .section h2 { font-size: 26px; }
      .content-card h3 { min-height: 0; }
      .content-card p { min-height: 0; }
      .faq-item summary { padding: 16px; }
      .faq-item .answer { padding: 0 16px 16px; }
      .post-card { padding: 14px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }
    }

/* roulang page: article */
:root{
      --bg: #f4ede3;
      --bg-soft: #efe4d7;
      --surface: #fffaf4;
      --surface-2: #f8f1e7;
      --surface-dark: #201814;
      --surface-dark-2: #2a1f1a;
      --brand: #c98534;
      --brand-2: #a85f2d;
      --accent: #8d3d35;
      --accent-2: #6f2b2b;
      --text: #241a15;
      --muted: #6c5d54;
      --line: rgba(63, 46, 35, .12);
      --line-strong: rgba(63, 46, 35, .18);
      --shadow: 0 22px 60px rgba(39, 24, 16, .12);
      --shadow-lg: 0 30px 80px rgba(39, 24, 16, .18);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --radius-xs: 11px;
      --container: 1280px;
      --ease: 240ms cubic-bezier(.2,.8,.2,1);
    }
    *{ box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(201,133,52,.12), transparent 26%),
        radial-gradient(circle at top right, rgba(141,61,53,.08), transparent 24%),
        linear-gradient(180deg, #f8f2ea 0%, #f4ede3 36%, #f1e7d8 100%);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      display: block;
      height: auto;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), opacity var(--ease), transform var(--ease), border-color var(--ease), background-color var(--ease), box-shadow var(--ease);
    }
    a:hover{ color: inherit; }
    button, input, textarea, select {
      font: inherit;
      color: inherit;
    }
    button {
      border: 0;
      background: none;
      padding: 0;
      cursor: pointer;
    }
    ::selection{
      background: rgba(201,133,52,.28);
      color: var(--surface-dark);
    }
    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
      max-width: none;
      padding-left: 0;
      padding-right: 0;
    }
    .focus-ring:focus-visible{
      outline: none;
      box-shadow: 0 0 0 4px rgba(201,133,52,.22);
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(30, 22, 18, .96);
      border-bottom: 1px solid rgba(255,255,255,.06);
      box-shadow: 0 8px 30px rgba(19, 13, 10, .18);
      backdrop-filter: none;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 78px;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      min-width: 0;
      font-weight: 800;
      letter-spacing: .02em;
    }
    .brand:hover{ color:#fff; opacity:.95; }
    .brand-badge {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(145deg, rgba(201,133,52,1), rgba(168,95,45,1));
      color: #fff;
      box-shadow: 0 14px 30px rgba(201,133,52,.25);
      flex: 0 0 auto;
    }
    .brand-badge span {
      font-size: 18px;
      line-height: 1;
      letter-spacing: .02em;
    }
    .brand-name {
      font-size: 18px;
      white-space: nowrap;
    }
    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.14);
      color: #fff;
      background: rgba(255,255,255,.04);
    }
    .nav-toggle:focus-visible,
    .nav-toggle:hover {
      border-color: rgba(201,133,52,.7);
      box-shadow: 0 0 0 4px rgba(201,133,52,.16);
      outline: none;
    }
    .nav-toggle svg { width: 22px; height: 22px; }
    .site-nav {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .nav-list {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
    }
    .nav-list a {
      display: inline-flex;
      align-items: center;
      height: 44px;
      padding: 0 16px;
      border-radius: 999px;
      color: rgba(255,255,255,.84);
      border: 1px solid transparent;
      font-size: 14px;
      letter-spacing: .02em;
    }
    .nav-list a:hover,
    .nav-list a:focus-visible {
      color: #fff;
      border-color: rgba(201,133,52,.45);
      background: rgba(255,255,255,.05);
      outline: none;
    }
    .nav-list a.is-active {
      background: linear-gradient(145deg, rgba(201,133,52,1), rgba(168,95,45,1));
      color: #fff;
      box-shadow: 0 14px 30px rgba(201,133,52,.18);
    }
    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-left: 8px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 14px;
      border: 1px solid transparent;
      font-weight: 700;
      letter-spacing: .01em;
      transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease), border-color var(--ease), color var(--ease), opacity var(--ease);
      white-space: nowrap;
      text-decoration: none;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }
    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(201,133,52,.18);
    }
    .btn-primary {
      background: linear-gradient(145deg, var(--brand), var(--brand-2));
      color: #fff;
      box-shadow: 0 16px 34px rgba(201,133,52,.22);
    }
    .btn-primary:hover { color:#fff; box-shadow: 0 20px 40px rgba(201,133,52,.28); }
    .btn-secondary {
      background: rgba(255,255,255,.06);
      color: #fff;
      border-color: rgba(255,255,255,.15);
    }
    .btn-secondary:hover {
      color:#fff;
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.28);
    }
    .btn-ghost {
      background: transparent;
      border-color: rgba(63, 46, 35, .18);
      color: var(--text);
    }
    .btn-ghost:hover {
      border-color: rgba(201,133,52,.45);
      background: rgba(201,133,52,.08);
      color: var(--surface-dark);
    }
    .btn-light {
      background: #fff;
      color: var(--surface-dark);
      border-color: rgba(255,255,255,.9);
    }
    .page-shell{
      padding: 38px 0 88px;
    }
    .article-top{
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(32,24,20,.92), rgba(42,31,26,.82)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      color: #fff;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,.08);
    }
    .article-top::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 18%, rgba(201,133,52,.24), transparent 28%),
        linear-gradient(90deg, rgba(32,24,20,.42), rgba(32,24,20,.05));
      pointer-events:none;
    }
    .article-top-inner{
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 34px;
      align-items: stretch;
      padding: 44px;
    }
    .article-kicker{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom: 18px;
    }
    .badge-soft,
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding: 5px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.01em;
      border:1px solid rgba(201,133,52,.25);
      background: rgba(201,133,52,.11);
      color: #704018;
    }
    .article-top .badge-soft,
    .article-top .tag{
      color: #ffe6c2;
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.14);
    }
    .article-title{
      font-size: clamp(34px, 4.2vw, 54px);
      line-height: 1.12;
      letter-spacing: -.03em;
      font-weight: 900;
      margin: 0 0 18px;
      max-width: 920px;
    }
    .article-desc{
      margin:0;
      color: rgba(255,255,255,.78);
      font-size: 17px;
      line-height: 1.9;
      max-width: 820px;
    }
    .article-visual{
      min-height: 260px;
      border-radius: 24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      box-shadow: 0 20px 48px rgba(0,0,0,.22);
      align-self: stretch;
      background: rgba(255,255,255,.06);
    }
    .article-visual img{
      width:100%;
      height:100%;
      min-height:260px;
      object-fit: cover;
      transform: scale(1.02);
    }
    .breadcrumb-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin: 22px 0 28px;
      padding: 16px 18px;
      border-radius: var(--radius-sm);
      background: rgba(255,250,244,.72);
      border: 1px solid var(--line);
      box-shadow: 0 12px 34px rgba(39,24,16,.06);
    }
    .breadcrumb{
      margin:0;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color: var(--muted);
      font-size:14px;
    }
    .breadcrumb a{
      color: var(--text);
      font-weight:700;
    }
    .breadcrumb a:hover{
      color: var(--brand-2);
      text-decoration: underline;
      text-underline-offset: 4px;
    }
    .breadcrumb .sep{
      color: rgba(108,93,84,.55);
    }
    .reading-note{
      color: var(--muted);
      font-size: 14px;
      white-space: nowrap;
    }
    .layout{
      display:grid;
      grid-template-columns: minmax(0, 840px) minmax(280px, 1fr);
      gap: 34px;
      align-items:start;
    }
    .article-card{
      background: rgba(255,250,244,.9);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .article-meta-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding: 20px 24px;
      border-bottom: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(248,241,231,.95), rgba(255,250,244,.88));
    }
    .meta-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
      color: var(--muted);
      font-size:14px;
    }
    .meta-list li{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .meta-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background: var(--brand);
      box-shadow: 0 0 0 4px rgba(201,133,52,.12);
      flex:0 0 auto;
    }
    .article-content{
      padding: 34px 42px 46px;
      font-size: 17px;
      line-height: 1.9;
      color: #33261f;
      overflow-wrap: anywhere;
    }
    .article-content > *:first-child{ margin-top:0; }
    .article-content p{
      margin: 0 0 1.25em;
    }
    .article-content h2{
      font-size: clamp(26px, 3vw, 34px);
      line-height:1.28;
      margin: 2.1em 0 .72em;
      font-weight: 900;
      letter-spacing:-.02em;
      color: var(--surface-dark);
      padding-top: .15em;
    }
    .article-content h3{
      font-size: clamp(21px, 2.2vw, 25px);
      line-height:1.36;
      margin: 1.8em 0 .65em;
      font-weight: 850;
      color: var(--surface-dark-2);
    }
    .article-content h4{
      font-size: 19px;
      margin: 1.5em 0 .5em;
      font-weight:800;
      color: var(--accent-2);
    }
    .article-content a{
      color: var(--brand-2);
      font-weight: 750;
      border-bottom: 1px solid rgba(168,95,45,.32);
    }
    .article-content a:hover{
      color: var(--accent);
      border-bottom-color: rgba(141,61,53,.58);
    }
    .article-content strong{
      color: var(--surface-dark);
      font-weight: 850;
    }
    .article-content ul,
    .article-content ol{
      margin: 0 0 1.35em 1.25em;
      padding: 0;
    }
    .article-content li{
      margin: .42em 0;
      padding-left: .18em;
    }
    .article-content blockquote{
      margin: 1.7em 0;
      padding: 20px 24px;
      border-left: 4px solid var(--brand);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: rgba(201,133,52,.08);
      color: #4f3d32;
      font-weight: 650;
    }
    .article-content img{
      width:100%;
      border-radius: var(--radius-md);
      border: 1px solid var(--line);
      box-shadow: 0 16px 40px rgba(39,24,16,.10);
      margin: 1.7em 0 .75em;
    }
    .article-content figure{
      margin: 1.8em 0;
    }
    .article-content figcaption{
      text-align:center;
      color: var(--muted);
      font-size: 13px;
      margin-top: 10px;
    }
    .article-content hr{
      border:0;
      height:1px;
      background: linear-gradient(90deg, transparent, rgba(63,46,35,.2), transparent);
      margin: 2.2em 0;
      opacity:1;
    }
    .article-content table{
      width:100%;
      border-collapse: separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius: var(--radius-sm);
      margin: 1.6em 0;
      background:#fffaf4;
    }
    .article-content th,
    .article-content td{
      padding: 14px 16px;
      border-bottom:1px solid var(--line);
      vertical-align: top;
    }
    .article-content th{
      background: rgba(201,133,52,.10);
      color: var(--surface-dark);
      font-weight:850;
    }
    .article-content tr:last-child td{ border-bottom:0; }
    .not-found{
      text-align:center;
      padding: 52px 18px;
    }
    .not-found h2{
      margin:0 0 12px;
      font-size: 30px;
      color: var(--surface-dark);
    }
    .not-found p{
      margin:0 auto 24px;
      color: var(--muted);
      max-width: 520px;
    }
    .side-stack{
      position: sticky;
      top: 104px;
      display:grid;
      gap: 18px;
    }
    .side-card{
      background: rgba(255,250,244,.84);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: 0 18px 46px rgba(39,24,16,.08);
      padding: 22px;
      overflow:hidden;
    }
    .side-card.dark{
      color:#fff;
      background:
        linear-gradient(145deg, rgba(32,24,20,.96), rgba(42,31,26,.94));
      border-color: rgba(255,255,255,.08);
    }
    .side-card h2,
    .side-card h3{
      margin: 0 0 14px;
      font-size: 20px;
      font-weight: 900;
      letter-spacing:-.01em;
    }
    .side-card p{
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }
    .side-card.dark p{ color: rgba(255,255,255,.72); }
    .info-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap: 12px;
    }
    .info-list li{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 14px;
      padding-bottom: 12px;
      border-bottom:1px solid var(--line);
      font-size:14px;
    }
    .info-list li:last-child{
      border-bottom:0;
      padding-bottom:0;
    }
    .info-list span:first-child{
      color: var(--muted);
      flex: 0 0 auto;
    }
    .info-list span:last-child{
      color: var(--text);
      font-weight:750;
      text-align:right;
    }
    .keyword-tags{
      display:flex;
      flex-wrap:wrap;
      gap: 9px;
      margin-top: 10px;
    }
    .mini-nav{
      display:grid;
      gap: 10px;
      margin-top: 6px;
    }
    .mini-nav a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      padding: 13px 14px;
      border-radius: var(--radius-xs);
      background: rgba(248,241,231,.78);
      border:1px solid var(--line);
      color: var(--text);
      font-weight:750;
      font-size:14px;
    }
    .mini-nav a:hover,
    .mini-nav a:focus-visible{
      background: rgba(201,133,52,.10);
      border-color: rgba(201,133,52,.35);
      transform: translateY(-1px);
      outline:none;
    }
    .cover-card{
      padding:0;
    }
    .cover-card img{
      width:100%;
      aspect-ratio: 16/10;
      object-fit:cover;
    }
    .cover-card .cover-body{
      padding: 18px 20px 20px;
    }
    .section{
      margin-top: 34px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap: 18px;
      margin-bottom: 18px;
    }
    .section-head h2{
      margin:0;
      font-size: clamp(25px, 3vw, 34px);
      font-weight: 900;
      letter-spacing:-.025em;
      color: var(--surface-dark);
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      max-width: 580px;
      font-size:15px;
    }
    .related-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .related-card{
      display:flex;
      flex-direction:column;
      min-height: 100%;
      background: rgba(255,250,244,.86);
      border:1px solid var(--line);
      border-radius: var(--radius-md);
      overflow:hidden;
      box-shadow: 0 16px 44px rgba(39,24,16,.08);
    }
    .related-card:hover{
      transform: translateY(-3px);
      border-color: rgba(201,133,52,.34);
      box-shadow: var(--shadow);
    }
    .related-card img{
      width:100%;
      aspect-ratio: 16/9;
      object-fit:cover;
    }
    .related-body{
      padding: 20px;
      display:flex;
      flex-direction:column;
      gap: 10px;
      flex:1;
    }
    .related-body h3{
      font-size: 19px;
      line-height:1.4;
      margin:0;
      font-weight:900;
      color: var(--surface-dark);
    }
    .related-body p{
      margin:0;
      color: var(--muted);
      font-size:14px;
      line-height:1.75;
      flex:1;
    }
    .related-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color: var(--brand-2);
      font-weight:850;
      font-size:14px;
      margin-top: 4px;
    }
    .related-link:hover{
      color: var(--accent);
      text-decoration: underline;
      text-underline-offset: 4px;
    }
    .faq-section{
      margin-top: 34px;
      display:grid;
      grid-template-columns: 360px minmax(0,1fr);
      gap: 22px;
      align-items:start;
      padding: 28px;
      border-radius: var(--radius-lg);
      background: rgba(255,250,244,.66);
      border:1px solid var(--line);
      box-shadow: 0 18px 46px rgba(39,24,16,.06);
    }
    .faq-intro h2{
      margin:0 0 10px;
      font-size: 28px;
      font-weight:900;
      color: var(--surface-dark);
    }
    .faq-intro p{
      margin:0;
      color: var(--muted);
      font-size:15px;
    }
    .faq-list{
      display:grid;
      gap: 12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255,250,244,.9);
      overflow:hidden;
      transition: border-color var(--ease), box-shadow var(--ease), background-color var(--ease);
    }
    .faq-item.is-open{
      border-color: rgba(201,133,52,.38);
      box-shadow: 0 14px 34px rgba(39,24,16,.08);
      background: #fffaf4;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 17px 18px;
      text-align:left;
      font-weight:850;
      color: var(--surface-dark);
    }
    .faq-question:focus-visible{
      outline:none;
      box-shadow: inset 0 0 0 3px rgba(201,133,52,.18);
    }
    .faq-icon{
      width:26px;
      height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background: rgba(201,133,52,.12);
      color: var(--brand-2);
      flex:0 0 auto;
      transition: transform var(--ease), background-color var(--ease);
    }
    .faq-item.is-open .faq-icon{
      transform: rotate(45deg);
      background: rgba(141,61,53,.12);
      color: var(--accent);
    }
    .faq-answer{
      display:none;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size:15px;
      line-height:1.8;
    }
    .faq-item.is-open .faq-answer{ display:block; }
    .cta-panel{
      position:relative;
      overflow:hidden;
      margin-top: 34px;
      border-radius: var(--radius-lg);
      padding: 34px;
      color:#fff;
      background:
        linear-gradient(135deg, rgba(32,24,20,.96), rgba(111,43,43,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow: var(--shadow-lg);
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-120px;
      top:-120px;
      width:280px;
      height:280px;
      border-radius:50%;
      background: rgba(201,133,52,.22);
      filter: blur(2px);
    }
    .cta-content{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 24px;
      z-index:1;
    }
    .cta-content h2{
      margin:0 0 8px;
      font-size: clamp(25px, 3vw, 36px);
      font-weight:900;
      letter-spacing:-.02em;
    }
    .cta-content p{
      margin:0;
      color: rgba(255,255,255,.74);
      max-width: 680px;
    }
    .cta-actions{
      display:flex;
      gap: 12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-footer{
      background: #201814;
      color: #fff;
      padding: 54px 0 24px;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-inner{
      display:grid;
      grid-template-columns: minmax(0, 1.4fr) .65fr .85fr;
      gap: 42px;
      align-items:start;
    }
    .footer-brand p{
      margin: 18px 0 0;
      color: rgba(255,255,255,.62);
      max-width: 520px;
      font-size: 15px;
    }
    .footer-col h3{
      margin:0 0 16px;
      font-size: 16px;
      font-weight:850;
      color:#fff;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap: 10px;
      color: rgba(255,255,255,.62);
      font-size: 14px;
    }
    .footer-links a:hover{
      color: #ffd9a4;
      text-decoration: underline;
      text-underline-offset: 4px;
    }
    .footer-note{
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(255,255,255,.52);
      font-size: 13px;
    }
    @media (max-width: 1180px){
      .article-top-inner{
        grid-template-columns: 1fr;
      }
      .article-visual{
        max-height: 320px;
      }
      .layout{
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 24px;
      }
      .related-grid{
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .faq-section{
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 992px){
      .header-cta{ display:none; }
      .layout{
        grid-template-columns: 1fr;
      }
      .side-stack{
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .cover-card{
        grid-column: 1 / -1;
      }
      .footer-inner{
        grid-template-columns: 1fr 1fr;
      }
      .footer-brand{
        grid-column: 1 / -1;
      }
    }
    @media (max-width: 768px){
      .container{
        width: min(100% - 24px, var(--container));
      }
      .header-inner{
        min-height: 70px;
      }
      .nav-toggle{
        display:inline-flex;
      }
      .site-nav{
        position:absolute;
        left:12px;
        right:12px;
        top: calc(100% + 10px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:12px;
        padding:14px;
        border-radius: 20px;
        background: rgba(32,24,20,.98);
        border:1px solid rgba(255,255,255,.08);
        box-shadow: var(--shadow-lg);
      }
      .site-nav.is-open{
        display:flex;
      }
      .nav-list{
        flex-direction:column;
        align-items:stretch;
        gap:8px;
      }
      .nav-list a{
        width:100%;
        justify-content:center;
      }
      .header-cta{
        display:flex;
        margin-left:0;
      }
      .header-cta .btn{
        width:100%;
      }
      .page-shell{
        padding-top: 24px;
        padding-bottom: 56px;
      }
      .article-top-inner{
        padding: 28px;
        gap:22px;
      }
      .article-desc{
        font-size: 16px;
      }
      .breadcrumb-row{
        align-items:flex-start;
        flex-direction:column;
      }
      .reading-note{
        white-space: normal;
      }
      .article-meta-bar{
        align-items:flex-start;
        flex-direction:column;
        padding: 18px;
      }
      .article-content{
        padding: 26px 22px 34px;
        font-size: 16px;
        line-height: 1.86;
      }
      .side-stack{
        grid-template-columns: 1fr;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .related-grid{
        grid-template-columns: 1fr;
      }
      .faq-section{
        padding: 20px;
      }
      .cta-content{
        align-items:flex-start;
        flex-direction:column;
      }
      .cta-actions{
        width:100%;
        justify-content:flex-start;
      }
      .cta-actions .btn{
        flex:1 1 180px;
      }
      .footer-inner{
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }
    @media (max-width: 520px){
      .brand-name{
        font-size: 16px;
      }
      .brand-badge{
        width:38px;
        height:38px;
        border-radius: 13px;
      }
      .article-top{
        border-radius: 22px;
      }
      .article-top-inner{
        padding: 22px;
      }
      .article-title{
        font-size: 31px;
      }
      .article-visual,
      .article-visual img{
        min-height: 210px;
      }
      .breadcrumb-row{
        padding: 14px;
      }
      .article-card,
      .cta-panel,
      .faq-section{
        border-radius: 22px;
      }
      .article-content{
        padding: 24px 18px 30px;
      }
      .article-content table{
        display:block;
        overflow-x:auto;
        white-space: nowrap;
      }
      .btn{
        width:100%;
        padding: 0 16px;
      }
      .section{
        margin-top: 26px;
      }
      .cta-panel{
        padding: 26px 20px;
      }
    }

/* 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}