/* roulang page: index */
:root {
      --primary: #241326;
      --primary-2: #331A38;
      --primary-3: #44224C;
      --accent: #F29D38;
      --accent-2: #FFB45C;
      --bg: #F7F3EF;
      --bg-soft: #FAF7F2;
      --surface: #FFFFFF;
      --surface-warm: #FFF9F1;
      --text: #2B2528;
      --muted: #746A70;
      --muted-2: #948990;
      --border: #E6DDD5;
      --border-dark: rgba(255,255,255,.14);
      --shadow: 0 18px 45px rgba(52,31,35,.08);
      --shadow-strong: 0 24px 70px rgba(52,31,35,.16);
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1220px;
      --ease: .22s ease;
    }

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

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

    body {
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(242,157,56,.16), transparent 34rem),
        radial-gradient(circle at 82% 14%, rgba(68,34,76,.11), transparent 30rem),
        var(--bg);
      line-height: 1.78;
      overflow-x: hidden;
    }

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

    a:hover {
      color: var(--primary-3);
    }

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

    button,
    input {
      font: inherit;
    }

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

    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .container {
      width: min(100% - 64px, var(--container));
      margin-inline: auto;
    }

    .skip-link {
      position: fixed;
      left: 18px;
      top: -60px;
      z-index: 999;
      padding: 10px 16px;
      border-radius: 999px;
      background: var(--accent);
      color: var(--primary);
      font-weight: 700;
      transition: top var(--ease);
    }

    .skip-link:focus {
      top: 14px;
    }

    .notice-bar {
      background: var(--primary);
      color: rgba(255,255,255,.82);
      font-size: 13px;
      letter-spacing: .01em;
    }

    .notice-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      text-align: center;
    }

    .notice-dot {
      width: 9px;
      height: 9px;
      flex: 0 0 auto;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(242,157,56,.14);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(247,243,239,.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(230,221,213,.78);
      box-shadow: 0 10px 34px rgba(36,19,38,.04);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: var(--primary);
      background:
        linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 14px 30px rgba(242,157,56,.25);
      font-size: 18px;
      font-weight: 900;
    }

    .brand-text {
      font-size: 19px;
      white-space: nowrap;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid rgba(230,221,213,.82);
      border-radius: 999px;
      background: rgba(255,255,255,.58);
    }

    .desktop-nav a {
      position: relative;
      padding: 10px 16px;
      border-radius: 999px;
      color: #574C52;
      font-size: 14px;
      font-weight: 650;
    }

    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: var(--primary);
      background: #FFF2DE;
    }

    .desktop-nav a.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 5px;
      width: 5px;
      height: 5px;
      transform: translateX(-50%);
      border-radius: 50%;
      background: var(--accent);
    }

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

    .mobile-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 15px;
      border: 1px solid var(--border);
      background: var(--surface);
      color: var(--primary);
      box-shadow: 0 8px 22px rgba(52,31,35,.06);
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-toggle.is-open span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

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

    .mobile-toggle.is-open span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .mobile-menu {
      display: none;
      padding-bottom: 16px;
    }

    .mobile-menu-panel {
      display: grid;
      gap: 8px;
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: 22px;
      background: rgba(255,255,255,.92);
      box-shadow: var(--shadow);
    }

    .mobile-menu-panel a {
      min-height: 46px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 11px 14px;
      border-radius: 15px;
      color: var(--primary);
      font-weight: 700;
    }

    .mobile-menu-panel a:hover {
      background: #FFF2DE;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 750;
      line-height: 1;
      white-space: nowrap;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 14px 34px rgba(36,19,38,.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: var(--primary-3);
      color: #fff;
      box-shadow: 0 20px 48px rgba(36,19,38,.27);
    }

    .btn-accent {
      background: var(--accent);
      color: var(--primary);
      box-shadow: 0 14px 34px rgba(242,157,56,.22);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      color: var(--primary);
      background: var(--accent-2);
      box-shadow: 0 20px 45px rgba(242,157,56,.28);
    }

    .btn-ghost {
      color: var(--primary);
      background: rgba(255,255,255,.62);
      border-color: var(--border);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: var(--accent);
      background: #fff;
      color: var(--primary);
      box-shadow: 0 14px 30px rgba(52,31,35,.08);
    }

    .btn-dark-ghost {
      color: #fff;
      border-color: rgba(255,255,255,.2);
      background: rgba(255,255,255,.08);
    }

    .btn-dark-ghost:hover {
      color: var(--primary);
      background: var(--accent);
      border-color: var(--accent);
      transform: translateY(-2px);
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      width: fit-content;
      min-height: 28px;
      padding: 6px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      border: 1px solid transparent;
    }

    .badge-amber {
      color: #5A3511;
      background: #FFF0D8;
      border-color: #FFE0AF;
    }

    .badge-purple {
      color: var(--primary-3);
      background: #F0E6F1;
      border-color: #E3D3E6;
    }

    .badge-soft {
      color: #5B5157;
      background: rgba(255,255,255,.72);
      border-color: rgba(230,221,213,.9);
    }

    main {
      overflow: hidden;
    }

    .hero {
      position: relative;
      padding: 74px 0 34px;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      background-image:
        linear-gradient(110deg, rgba(247,243,239,.96) 0%, rgba(247,243,239,.86) 44%, rgba(36,19,38,.18) 100%),
        url("/assets/images/backpic/back-1.webp");
      background-size: cover;
      background-position: center;
      opacity: .95;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -12% -26% auto;
      z-index: -1;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(242,157,56,.22), transparent 68%);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(380px, .78fr);
      gap: 58px;
      align-items: center;
    }

    .eyebrow {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    h1 {
      max-width: 760px;
      color: var(--primary);
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.14;
      letter-spacing: -.055em;
      font-weight: 850;
    }

    .hero-lead {
      max-width: 690px;
      margin-top: 22px;
      color: #574D52;
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 32px;
    }

    .trust-row {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      max-width: 760px;
    }

    .trust-item {
      padding: 14px;
      border: 1px solid rgba(230,221,213,.86);
      border-radius: 18px;
      background: rgba(255,255,255,.65);
      box-shadow: 0 10px 24px rgba(52,31,35,.05);
    }

    .trust-item strong {
      display: block;
      color: var(--primary);
      font-size: 15px;
      line-height: 1.3;
    }

    .trust-item span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .preview-board {
      position: relative;
      padding: 18px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 34px;
      background:
        linear-gradient(180deg, rgba(51,26,56,.96), rgba(36,19,38,.98));
      box-shadow: 0 30px 90px rgba(36,19,38,.24);
      color: #fff;
      overflow: hidden;
    }

    .preview-board::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 20% 10%, rgba(242,157,56,.22), transparent 30%),
        radial-gradient(circle at 90% 84%, rgba(255,255,255,.08), transparent 28%);
      pointer-events: none;
    }

    .preview-head,
    .preview-card,
    .mini-strip {
      position: relative;
      z-index: 1;
    }

    .preview-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 10px 8px 16px;
    }

    .preview-head strong {
      font-size: 18px;
    }

    .preview-head span {
      color: rgba(255,255,255,.66);
      font-size: 13px;
    }

    .preview-image {
      position: relative;
      height: 215px;
      border-radius: 25px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.13);
      background: #1c111f;
    }

    .preview-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .74;
      filter: saturate(.92) contrast(1.05);
    }

    .preview-image .overlay-text {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      padding: 15px;
      border-radius: 18px;
      background: rgba(36,19,38,.72);
      border: 1px solid rgba(255,255,255,.12);
      backdrop-filter: blur(10px);
    }

    .overlay-text b {
      display: block;
      font-size: 17px;
      line-height: 1.45;
    }

    .overlay-text small {
      display: block;
      margin-top: 7px;
      color: rgba(255,255,255,.7);
      font-size: 13px;
    }

    .preview-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .preview-card {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 13px;
      border-radius: 18px;
      background: rgba(255,255,255,.075);
      border: 1px solid rgba(255,255,255,.1);
    }

    .preview-icon {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--primary);
      background: var(--accent);
      font-weight: 900;
    }

    .preview-card p {
      color: rgba(255,255,255,.88);
      font-size: 14px;
      line-height: 1.48;
    }

    .preview-card time {
      color: rgba(255,255,255,.58);
      font-size: 12px;
      white-space: nowrap;
    }

    .mini-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
      padding: 12px 2px 2px;
    }

    .hero-indexbar {
      margin-top: 58px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border: 1px solid var(--border);
      border-radius: 24px;
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .indexbar-item {
      padding: 18px 20px;
      border-right: 1px solid var(--border);
    }

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

    .indexbar-item b {
      display: block;
      color: var(--primary);
      font-size: 15px;
    }

    .indexbar-item span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .section {
      padding: 88px 0;
    }

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

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 32px;
    }

    .section-kicker {
      margin-bottom: 10px;
      color: var(--accent);
      font-weight: 850;
      letter-spacing: .04em;
      font-size: 14px;
    }

    h2 {
      color: var(--primary);
      font-size: clamp(28px, 3.2vw, 42px);
      line-height: 1.22;
      letter-spacing: -.04em;
      font-weight: 820;
    }

    .section-desc {
      max-width: 560px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .feature-ribbon {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }

    .feature-main {
      position: relative;
      min-height: 360px;
      padding: 34px;
      border-radius: var(--radius-xl);
      overflow: hidden;
      color: #fff;
      background: var(--primary);
      box-shadow: var(--shadow-strong);
    }

    .feature-main::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(36,19,38,.94), rgba(36,19,38,.46)),
        url("/assets/images/coverpic/cover-2.webp");
      background-size: cover;
      background-position: center;
      opacity: .92;
    }

    .feature-main > * {
      position: relative;
      z-index: 1;
    }

    .feature-main h2 {
      max-width: 600px;
      color: #fff;
    }

    .feature-main p {
      max-width: 620px;
      margin-top: 18px;
      color: rgba(255,255,255,.78);
      font-size: 17px;
      line-height: 1.85;
    }

    .feature-checks {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 30px;
      max-width: 650px;
    }

    .check {
      padding: 14px 15px;
      border-radius: 16px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.12);
      color: rgba(255,255,255,.88);
      font-size: 14px;
    }

    .feature-side {
      display: grid;
      gap: 18px;
    }

    .small-card {
      padding: 24px;
      border: 1px solid var(--border);
      border-radius: 26px;
      background: var(--surface);
      box-shadow: var(--shadow);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .small-card:hover {
      transform: translateY(-3px);
      border-color: #DFC9B2;
      box-shadow: var(--shadow-strong);
    }

    .small-card .icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: #FFF0D8;
      color: var(--primary);
      font-weight: 900;
      margin-bottom: 16px;
    }

    .small-card h3 {
      color: var(--primary);
      font-size: 21px;
      line-height: 1.35;
      font-weight: 780;
    }

    .small-card p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.78;
    }

    .latest-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 24px;
      align-items: start;
    }

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

    .post-card {
      display: flex;
      flex-direction: column;
      min-height: 288px;
      padding: 18px;
      border: 1px solid var(--border);
      border-radius: 24px;
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 38px rgba(52,31,35,.06);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .post-card:hover {
      transform: translateY(-4px);
      border-color: #D9C7B8;
      box-shadow: var(--shadow-strong);
    }

    .post-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 13px;
    }

    .post-tag {
      max-width: 48%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--primary-3);
      background: #F0E6F1;
      border: 1px solid #E3D3E6;
      border-radius: 999px;
      padding: 6px 10px;
      font-weight: 750;
      line-height: 1;
    }

    .post-cover {
      height: 138px;
      margin-bottom: 16px;
      border-radius: 18px;
      overflow: hidden;
      background: linear-gradient(135deg, #331A38, #F29D38);
    }

    .post-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

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

    .post-card h3 {
      color: var(--primary);
      font-size: 20px;
      line-height: 1.42;
      font-weight: 780;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .post-card h3 a:hover {
      color: var(--primary-3);
      text-decoration: underline;
      text-decoration-color: var(--accent);
      text-underline-offset: 5px;
    }

    .post-card p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .post-foot {
      margin-top: auto;
      padding-top: 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-weight: 800;
      font-size: 14px;
    }

    .text-link:hover {
      color: var(--primary-3);
      text-decoration: underline;
      text-decoration-color: var(--accent);
      text-underline-offset: 5px;
    }

    .side-stack {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 100px;
    }

    .side-card {
      padding: 24px;
      border-radius: 26px;
      border: 1px solid var(--border);
      background: var(--surface);
      box-shadow: var(--shadow);
    }

    .side-card.dark {
      color: #fff;
      border-color: rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 80% 10%, rgba(242,157,56,.24), transparent 34%),
        linear-gradient(180deg, var(--primary-2), var(--primary));
    }

    .side-card h3 {
      color: inherit;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
      margin-bottom: 12px;
    }

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

    .side-card.dark p,
    .side-card.dark li {
      color: rgba(255,255,255,.74);
    }

    .rule-list {
      display: grid;
      gap: 10px;
      list-style: none;
      margin-top: 14px;
    }

    .rule-list li {
      position: relative;
      padding-left: 19px;
    }

    .rule-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72em;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 14px;
    }

    .empty-state {
      grid-column: 1 / -1;
      display: grid;
      place-items: center;
      min-height: 260px;
      padding: 34px;
      border: 1px dashed #DCCFC4;
      border-radius: 26px;
      background:
        radial-gradient(circle at top, rgba(242,157,56,.12), transparent 55%),
        rgba(255,255,255,.72);
      text-align: center;
    }

    .empty-graphic {
      width: 74px;
      height: 74px;
      margin-bottom: 16px;
      display: grid;
      place-items: center;
      border-radius: 28px;
      background: #FFF0D8;
      color: var(--primary);
      font-size: 30px;
      font-weight: 900;
    }

    .empty-state p {
      color: var(--muted);
      margin-top: 8px;
    }

    .explain-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 24px;
      align-items: stretch;
    }

    .explain-panel {
      padding: 34px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background: var(--surface-warm);
      box-shadow: var(--shadow);
    }

    .explain-panel img {
      width: 100%;
      height: 230px;
      margin-top: 24px;
      border-radius: 24px;
      object-fit: cover;
      box-shadow: 0 18px 42px rgba(52,31,35,.1);
    }

    .explain-panel p {
      margin-top: 16px;
      color: var(--muted);
      font-size: 16px;
    }

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

    .step-card {
      position: relative;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 18px;
      padding: 24px;
      border-radius: 26px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 34px rgba(52,31,35,.05);
      overflow: hidden;
    }

    .step-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 62px;
      height: 62px;
      border-bottom-left-radius: 26px;
      background: rgba(242,157,56,.13);
    }

    .step-no {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 17px;
      background: var(--primary);
      color: #fff;
      font-weight: 900;
    }

    .step-card h3 {
      color: var(--primary);
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
    }

    .step-card p {
      margin-top: 8px;
      color: var(--muted);
      font-size: 15px;
    }

    .scene {
      background:
        linear-gradient(180deg, rgba(36,19,38,.04), rgba(36,19,38,0));
    }

    .scene-grid {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 24px;
      align-items: stretch;
    }

    .scene-dark {
      padding: 34px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(145deg, rgba(51,26,56,.96), rgba(36,19,38,.99));
      color: #fff;
      box-shadow: var(--shadow-strong);
      overflow: hidden;
      position: relative;
    }

    .scene-dark::before {
      content: "";
      position: absolute;
      right: -120px;
      top: -120px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(242,157,56,.18);
    }

    .scene-dark > * {
      position: relative;
      z-index: 1;
    }

    .scene-dark h2 {
      color: #fff;
    }

    .scene-dark p {
      margin-top: 16px;
      color: rgba(255,255,255,.76);
      font-size: 16px;
    }

    .scene-list {
      margin-top: 24px;
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .scene-list li {
      padding: 14px 15px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.1);
      color: rgba(255,255,255,.86);
      font-size: 14px;
    }

    .scene-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .scene-card {
      min-height: 190px;
      padding: 26px;
      border-radius: 28px;
      border: 1px solid var(--border);
      background: var(--surface);
      box-shadow: var(--shadow);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .scene-card:nth-child(1),
    .scene-card:nth-child(4) {
      min-height: 236px;
    }

    .scene-card:hover {
      transform: translateY(-4px);
      border-color: #DEC9B5;
      box-shadow: var(--shadow-strong);
    }

    .scene-card h3 {
      color: var(--primary);
      font-size: 22px;
      font-weight: 800;
    }

    .scene-card p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .evidence-card {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255,255,255,.75);
      border: 1px solid var(--border);
      box-shadow: 0 12px 30px rgba(52,31,35,.05);
    }

    .evidence-card b {
      display: block;
      color: var(--primary);
      font-size: 28px;
      line-height: 1.1;
      letter-spacing: -.03em;
    }

    .evidence-card span {
      display: block;
      margin-top: 9px;
      color: var(--muted);
      font-size: 14px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 360px minmax(0, 1fr);
      gap: 36px;
      align-items: start;
    }

    .faq-intro {
      position: sticky;
      top: 110px;
    }

    .faq-intro p {
      margin-top: 14px;
      color: var(--muted);
    }

    .faq-list {
      display: grid;
      gap: 13px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 22px;
      background: rgba(255,255,255,.82);
      box-shadow: 0 10px 28px rgba(52,31,35,.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      color: var(--primary);
      text-align: left;
      font-weight: 800;
      font-size: 17px;
      transition: background-color var(--ease);
    }

    .faq-question:hover {
      background: #FFF7EB;
    }

    .faq-question .plus {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: #FFF0D8;
      color: var(--primary);
      font-weight: 900;
      transition: transform var(--ease);
    }

    .faq-item.is-open {
      border-color: #E4C59B;
      background: #FFFBF4;
    }

    .faq-item.is-open .faq-question .plus {
      transform: rotate(45deg);
      background: var(--accent);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.82;
      border-left: 4px solid var(--accent);
      margin-left: 22px;
      margin-bottom: 20px;
      padding-left: 16px;
    }

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

    .cta-band {
      padding: 0 0 96px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
      padding: 38px;
      border-radius: 34px;
      color: #fff;
      background:
        radial-gradient(circle at 85% 18%, rgba(242,157,56,.26), transparent 28%),
        linear-gradient(135deg, var(--primary-2), var(--primary));
      box-shadow: var(--shadow-strong);
      overflow: hidden;
    }

    .cta-panel h2 {
      color: #fff;
      max-width: 760px;
    }

    .cta-panel p {
      max-width: 760px;
      margin-top: 12px;
      color: rgba(255,255,255,.76);
    }

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

    .site-footer {
      color: rgba(255,255,255,.76);
      background: var(--primary);
      padding: 58px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr .85fr;
      gap: 36px;
      align-items: start;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand .brand {
      color: #fff;
    }

    .footer-brand p {
      max-width: 520px;
      margin-top: 16px;
      color: rgba(255,255,255,.68);
      font-size: 14px;
      line-height: 1.8;
    }

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

    .footer-links {
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--accent-2);
      text-decoration: underline;
      text-underline-offset: 5px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      color: rgba(255,255,255,.56);
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .container {
        width: min(100% - 48px, var(--container));
      }

      .hero-grid,
      .feature-ribbon,
      .explain-grid,
      .scene-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

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

      .side-stack,
      .faq-intro {
        position: static;
      }

      .trust-row,
      .hero-indexbar,
      .evidence-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .desktop-nav {
        gap: 2px;
      }

      .desktop-nav a {
        padding-inline: 12px;
      }

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

    @media (max-width: 820px) {
      .desktop-nav {
        display: none;
      }

      .mobile-toggle {
        display: inline-grid;
        place-items: center;
      }

      .mobile-menu.is-open {
        display: block;
      }

      .hero {
        padding-top: 52px;
      }

      .hero-grid {
        gap: 34px;
      }

      .post-grid,
      .scene-cards {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 64px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

      .cta-panel {
        grid-template-columns: 1fr;
        padding: 30px;
      }

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

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

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

    @media (max-width: 560px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .notice-inner {
        justify-content: flex-start;
        text-align: left;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .brand-text {
        font-size: 16px;
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      h1 {
        font-size: 34px;
      }

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

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .trust-row,
      .hero-indexbar,
      .feature-checks,
      .evidence-row {
        grid-template-columns: 1fr;
      }

      .indexbar-item {
        border-right: 0;
        border-bottom: 1px solid var(--border);
      }

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

      .preview-board {
        border-radius: 26px;
        padding: 14px;
      }

      .preview-image {
        height: 190px;
      }

      .post-card {
        min-height: auto;
      }

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

      .feature-main,
      .explain-panel,
      .scene-dark,
      .cta-panel {
        border-radius: 28px;
      }

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

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

/* roulang page: article */
:root {
      --primary: #241326;
      --primary-2: #331A38;
      --primary-3: #44224C;
      --accent: #F29D38;
      --accent-2: #FFB45C;
      --bg: #F7F3EF;
      --bg-soft: #FAF7F2;
      --surface: #FFFFFF;
      --surface-warm: #FFF9F1;
      --text: #2B2528;
      --muted: #746A70;
      --muted-2: #948990;
      --border: #E6DDD5;
      --border-dark: rgba(255,255,255,.14);
      --shadow: 0 18px 45px rgba(52,31,35,.08);
      --shadow-strong: 0 24px 70px rgba(52,31,35,.16);
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1220px;
      --ease: .22s ease;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      min-height: 100vh;
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(242,157,56,.16), transparent 34rem),
        radial-gradient(circle at 82% 14%, rgba(68,34,76,.11), transparent 30rem),
        var(--bg);
      line-height: 1.78;
      overflow-x: hidden;
    }

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

    a:hover {
      color: var(--primary-3);
    }

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

    button,
    input {
      font: inherit;
    }

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

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 64px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(247,243,239,.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(230,221,213,.78);
      box-shadow: 0 10px 34px rgba(36,19,38,.04);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: var(--primary);
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 14px 30px rgba(242,157,56,.25);
      font-size: 18px;
      font-weight: 900;
    }

    .brand-text {
      font-size: 19px;
      white-space: nowrap;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid rgba(230,221,213,.82);
      border-radius: 999px;
      background: rgba(255,255,255,.58);
    }

    .desktop-nav a {
      position: relative;
      padding: 10px 16px;
      border-radius: 999px;
      color: #574C52;
      font-size: 14px;
      font-weight: 650;
    }

    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: var(--primary);
      background: #FFF2DE;
    }

    .desktop-nav a.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 5px;
      width: 5px;
      height: 5px;
      transform: translateX(-50%);
      border-radius: 50%;
      background: var(--accent);
    }

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

    .mobile-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 15px;
      border: 1px solid var(--border);
      background: var(--surface);
      color: var(--primary);
      box-shadow: 0 8px 22px rgba(52,31,35,.06);
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-toggle.is-open span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

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

    .mobile-toggle.is-open span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .mobile-menu {
      display: none;
      padding-bottom: 16px;
    }

    .mobile-menu-panel {
      display: grid;
      gap: 8px;
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: 22px;
      background: rgba(255,255,255,.92);
      box-shadow: var(--shadow);
    }

    .mobile-menu-panel a {
      min-height: 46px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 11px 14px;
      border-radius: 15px;
      color: var(--primary);
      font-weight: 700;
    }

    .mobile-menu-panel a:hover {
      background: #FFF2DE;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 750;
      line-height: 1;
      white-space: nowrap;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 14px 34px rgba(36,19,38,.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: var(--primary-3);
      color: #fff;
      box-shadow: 0 20px 48px rgba(36,19,38,.27);
    }

    .btn-accent {
      background: var(--accent);
      color: var(--primary);
      box-shadow: 0 14px 34px rgba(242,157,56,.22);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      color: var(--primary);
      background: var(--accent-2);
      box-shadow: 0 20px 45px rgba(242,157,56,.28);
    }

    .btn-ghost {
      color: var(--primary);
      background: rgba(255,255,255,.62);
      border-color: var(--border);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: var(--accent);
      background: #fff;
      color: var(--primary);
      box-shadow: 0 14px 30px rgba(52,31,35,.08);
    }

    .btn-dark-ghost {
      color: #fff;
      border-color: rgba(255,255,255,.22);
      background: rgba(255,255,255,.08);
    }

    .btn-dark-ghost:hover {
      transform: translateY(-2px);
      color: var(--primary);
      border-color: var(--accent);
      background: var(--accent-2);
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 6px 11px;
      border-radius: 999px;
      color: var(--primary);
      background: #FFF2DE;
      border: 1px solid rgba(242,157,56,.25);
      font-size: 13px;
      font-weight: 750;
      line-height: 1;
    }

    .badge-dark {
      color: #FFE3B9;
      background: rgba(242,157,56,.12);
      border-color: rgba(242,157,56,.26);
    }

    .section {
      padding: 76px 0;
    }

    .article-hero {
      position: relative;
      padding: 48px 0 34px;
      overflow: hidden;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 360px;
      background:
        linear-gradient(180deg, rgba(36,19,38,.78), rgba(36,19,38,.5)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      z-index: -2;
    }

    .article-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(247,243,239,0) 0%, var(--bg) 82%);
      z-index: -1;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 9px;
      margin: 0 0 30px;
      color: rgba(255,255,255,.78);
      font-size: 14px;
      font-weight: 650;
    }

    .breadcrumb a {
      color: #FFE0AE;
    }

    .breadcrumb a:hover {
      color: #fff;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .breadcrumb span {
      color: rgba(255,255,255,.7);
    }

    .article-head {
      max-width: 920px;
      padding: 34px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.92);
      box-shadow: var(--shadow-strong);
    }

    .article-head h1 {
      margin: 18px 0 18px;
      color: var(--primary);
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.16;
      font-weight: 800;
      letter-spacing: 0;
      overflow-wrap: anywhere;
    }

    .article-summary {
      max-width: 820px;
      margin: 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-top: 24px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
    }

    .cover-frame {
      margin-top: 34px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      background: var(--surface);
    }

    .cover-frame img {
      width: 100%;
      aspect-ratio: 21 / 9;
      object-fit: cover;
    }

    .main-layout {
      display: grid;
      grid-template-columns: minmax(0, 820px) 320px;
      align-items: start;
      gap: 38px;
      padding-top: 42px;
      padding-bottom: 80px;
    }

    .article-card,
    .side-card,
    .related-card,
    .empty-card,
    .notice-strip {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: rgba(255,255,255,.82);
      box-shadow: var(--shadow);
    }

    .article-card {
      padding: 38px;
      overflow: hidden;
    }

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

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

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

    .article-content h2 {
      position: relative;
      margin: 2.15em 0 .8em;
      padding-left: 18px;
      color: var(--primary);
      font-size: clamp(25px, 3vw, 34px);
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: 0;
    }

    .article-content h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: .2em;
      width: 5px;
      height: 1.05em;
      border-radius: 999px;
      background: var(--accent);
    }

    .article-content h3 {
      margin: 1.7em 0 .65em;
      color: var(--primary-2);
      font-size: 22px;
      line-height: 1.35;
      font-weight: 750;
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 1.25em;
      padding-left: 1.35em;
    }

    .article-content li {
      margin: .45em 0;
      padding-left: .15em;
    }

    .article-content blockquote {
      margin: 1.6em 0;
      padding: 20px 22px;
      border-left: 5px solid var(--accent);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: #FFF8EC;
      color: #493E43;
    }

    .article-content a {
      color: var(--primary-3);
      font-weight: 750;
      border-bottom: 1px solid rgba(242,157,56,.55);
    }

    .article-content a:hover {
      color: #7A4213;
      border-bottom-color: var(--accent);
    }

    .article-content img {
      margin: 1.6em auto .7em;
      border-radius: 18px;
      border: 1px solid var(--border);
      box-shadow: 0 14px 34px rgba(52,31,35,.08);
    }

    .article-content figure {
      margin: 1.8em 0;
    }

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

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5em 0;
      overflow: hidden;
      border-radius: 14px;
      background: var(--surface);
      border: 1px solid var(--border);
    }

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

    .article-content th {
      color: var(--primary);
      background: #FFF2DE;
      font-weight: 800;
    }

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

    .article-content .notice,
    .notice-strip {
      padding: 18px 20px;
      background: #FFF8EC;
      color: #493E43;
      border-color: rgba(242,157,56,.32);
    }

    .empty-card {
      padding: 44px 28px;
      text-align: center;
      background:
        radial-gradient(circle at 50% 0, rgba(242,157,56,.18), transparent 18rem),
        var(--surface);
    }

    .empty-icon {
      width: 66px;
      height: 66px;
      display: grid;
      place-items: center;
      margin: 0 auto 18px;
      border-radius: 22px;
      color: var(--primary);
      background: #FFF2DE;
      font-size: 28px;
      font-weight: 900;
    }

    .empty-card h2 {
      margin: 0 0 10px;
      color: var(--primary);
      font-size: 28px;
      font-weight: 800;
    }

    .empty-card p {
      margin: 0 auto 22px;
      max-width: 520px;
      color: var(--muted);
    }

    .article-side {
      position: sticky;
      top: 102px;
      display: grid;
      gap: 18px;
    }

    .side-card {
      padding: 22px;
    }

    .side-card.dark {
      color: #fff;
      background:
        linear-gradient(145deg, rgba(36,19,38,.96), rgba(68,34,76,.95)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      border-color: var(--border-dark);
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 14px;
      color: var(--primary);
      font-size: 20px;
      font-weight: 800;
      line-height: 1.35;
    }

    .side-card.dark h2,
    .side-card.dark h3 {
      color: #fff;
    }

    .side-card p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
    }

    .side-card.dark p {
      color: rgba(255,255,255,.76);
    }

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

    .side-links a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 46px;
      padding: 11px 13px;
      border-radius: 14px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      color: var(--primary);
      font-weight: 750;
    }

    .side-links a:hover {
      transform: translateY(-2px);
      border-color: var(--accent);
      background: #FFF2DE;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .tag-cloud span {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 6px 10px;
      border-radius: 999px;
      background: #FFF2DE;
      color: var(--primary);
      border: 1px solid rgba(242,157,56,.28);
      font-size: 13px;
      font-weight: 750;
    }

    .related-section {
      padding: 76px 0 88px;
      background:
        linear-gradient(180deg, rgba(255,249,241,.35), rgba(255,249,241,.88)),
        var(--bg-soft);
      border-top: 1px solid rgba(230,221,213,.65);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-head h2 {
      margin: 0;
      color: var(--primary);
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.22;
      font-weight: 800;
    }

    .section-head p {
      max-width: 620px;
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 16px;
    }

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

    .related-card {
      display: grid;
      min-height: 100%;
      padding: 20px;
      overflow: hidden;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242,157,56,.5);
      box-shadow: var(--shadow-strong);
    }

    .related-thumb {
      position: relative;
      margin: -20px -20px 18px;
      overflow: hidden;
      background: var(--primary);
    }

    .related-thumb img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      opacity: .88;
      transition: transform var(--ease), opacity var(--ease);
    }

    .related-card:hover .related-thumb img {
      transform: scale(1.035);
      opacity: 1;
    }

    .related-card h3 {
      margin: 0 0 10px;
      color: var(--primary);
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
    }

    .related-card p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .related-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: auto;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .read-link {
      color: var(--primary);
      font-weight: 800;
    }

    .read-link:hover {
      color: #7A4213;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .faq-section {
      padding: 76px 0;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 360px minmax(0, 1fr);
      gap: 34px;
      align-items: start;
    }

    .faq-intro {
      padding: 28px;
      border-radius: var(--radius-lg);
      color: #fff;
      background: linear-gradient(145deg, var(--primary), var(--primary-3));
      box-shadow: var(--shadow);
    }

    .faq-intro h2 {
      margin: 16px 0 12px;
      font-size: 32px;
      line-height: 1.2;
      font-weight: 800;
    }

    .faq-intro p {
      margin: 0;
      color: rgba(255,255,255,.78);
    }

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

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 18px;
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 30px rgba(52,31,35,.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 17px 20px;
      color: var(--primary);
      text-align: left;
      font-weight: 800;
    }

    .faq-question:hover {
      background: #FFF8EC;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #FFF2DE;
      color: var(--primary);
      transition: transform var(--ease), background-color var(--ease);
    }

    .faq-item.is-open .faq-icon {
      transform: rotate(45deg);
      background: var(--accent);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      border-left: 4px solid var(--accent);
      margin: 0 18px 18px;
      background: rgba(255,248,236,.58);
      border-radius: 0 12px 12px 0;
    }

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

    .cta-band {
      padding: 0 0 88px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 28px;
      padding: 34px;
      border-radius: var(--radius-xl);
      color: #fff;
      background:
        linear-gradient(135deg, rgba(36,19,38,.96), rgba(68,34,76,.93)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      box-shadow: var(--shadow-strong);
      overflow: hidden;
    }

    .cta-panel h2 {
      margin: 14px 0 10px;
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.2;
      font-weight: 800;
    }

    .cta-panel p {
      max-width: 720px;
      margin: 0;
      color: rgba(255,255,255,.78);
    }

    .site-footer {
      padding: 58px 0 28px;
      color: rgba(255,255,255,.78);
      background: var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) .75fr .75fr;
      gap: 36px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

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

    .footer-brand p {
      max-width: 520px;
      margin: 18px 0 0;
      color: rgba(255,255,255,.72);
    }

    .footer-col h3 {
      margin: 0 0 16px;
      color: #fff;
      font-size: 17px;
      font-weight: 800;
    }

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

    .footer-links a {
      color: rgba(255,255,255,.72);
    }

    .footer-links a:hover {
      color: var(--accent-2);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-top: 24px;
      color: rgba(255,255,255,.58);
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .desktop-nav {
        display: none;
      }

      .mobile-toggle {
        display: block;
      }

      .mobile-menu.is-open {
        display: block;
      }

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

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

      .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .nav-wrap {
        min-height: 68px;
        gap: 12px;
      }

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

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

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

      .article-hero {
        padding-top: 28px;
      }

      .article-head {
        padding: 24px;
        border-radius: 24px;
      }

      .article-head h1 {
        font-size: 34px;
      }

      .cover-frame img {
        aspect-ratio: 16 / 10;
      }

      .main-layout {
        padding-top: 28px;
        padding-bottom: 58px;
      }

      .article-card {
        padding: 24px;
      }

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

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

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

      .section-head {
        display: block;
      }

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

      .cta-panel {
        grid-template-columns: 1fr;
        padding: 26px;
      }

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

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

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

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

      .brand {
        gap: 9px;
      }

      .brand-text {
        max-width: 9em;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .breadcrumb {
        font-size: 13px;
      }

      .article-head {
        padding: 20px;
      }

      .article-head h1 {
        font-size: 30px;
      }

      .meta-row {
        align-items: stretch;
        flex-direction: column;
      }

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

      .article-card {
        padding: 20px;
        border-radius: 18px;
      }

      .faq-question {
        align-items: flex-start;
      }
    }

/* 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}