/* roulang page: index */
:root{
      --bg: #f4efe8;
      --bg-soft: #fbf8f4;
      --panel: #fffaf5;
      --panel-2: #f7f1eb;
      --text: #221a15;
      --muted: #6f625a;
      --muted-2: #8c7e75;
      --line: rgba(66, 44, 33, .11);
      --line-strong: rgba(66, 44, 33, .18);
      --accent: #8d4b3f;
      --accent-2: #c08b59;
      --accent-3: #5a3129;
      --shadow: 0 18px 45px rgba(46, 30, 21, .08);
      --shadow-2: 0 12px 24px rgba(46, 30, 21, .10);
      --radius: 22px;
      --radius-lg: 30px;
      --radius-sm: 16px;
      --max: 1200px;
      --header-h: 82px;
      --focus: 0 0 0 3px rgba(141, 75, 63, .16);
    }

    * { box-sizing: border-box; }
    html {
      scroll-behavior: smooth;
      scroll-padding-top: calc(var(--header-h) + 18px);
    }
    body {
      margin: 0;
      min-height: 100vh;
      background:
        radial-gradient(circle at top left, rgba(192, 139, 89, .10), transparent 28%),
        radial-gradient(circle at 84% 12%, rgba(141, 75, 63, .08), transparent 22%),
        linear-gradient(180deg, #f7f1eb 0%, #f4eee8 54%, #f5f0ea 100%);
      color: var(--text);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    button,
    input,
    textarea {
      font: inherit;
    }
    button {
      border: 0;
      background: none;
      padding: 0;
    }
    :focus-visible {
      outline: none;
      box-shadow: var(--focus);
    }
    ::selection {
      background: rgba(141, 75, 63, .18);
      color: var(--text);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: none;
      background: rgba(248, 242, 236, .96);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(53, 35, 27, .05);
    }
    .header-inner {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      color: var(--text);
      font-weight: 800;
      letter-spacing: .01em;
    }
    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--accent) 0%, #ab6254 48%, var(--accent-2) 100%);
      box-shadow: 0 12px 24px rgba(141, 75, 63, .24);
      flex: none;
      font-size: 13px;
      font-weight: 800;
    }
    .brand-text {
      font-size: clamp(16px, 1.3vw, 19px);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
    }
    .site-nav a {
      position: relative;
      padding: 10px 0;
      color: var(--muted);
      font-weight: 700;
      transition: color .2s ease;
    }
    .site-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 100%;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }
    .site-nav a:hover,
    .site-nav a.active {
      color: var(--text);
    }
    .site-nav a:hover::after,
    .site-nav a.active::after {
      transform: scaleX(1);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      user-select: none;
      white-space: nowrap;
    }
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-2);
    }
    .btn:active {
      transform: translateY(0);
      box-shadow: none;
    }
    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--accent) 0%, #a85f50 100%);
      box-shadow: 0 12px 26px rgba(141, 75, 63, .25);
    }
    .btn-primary:hover {
      background: linear-gradient(135deg, #9b5547 0%, #b56655 100%);
    }
    .btn-ghost {
      color: var(--accent);
      background: rgba(141, 75, 63, .08);
      border-color: rgba(141, 75, 63, .14);
    }
    .btn-soft {
      color: var(--text);
      background: rgba(255, 255, 255, .76);
      border-color: rgba(66, 44, 33, .10);
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      border: 1px solid rgba(66, 44, 33, .12);
      background: rgba(255, 255, 255, .85);
      color: var(--text);
      cursor: pointer;
      position: relative;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .menu-toggle:hover {
      transform: translateY(-1px);
      box-shadow: var(--shadow-2);
    }
    .menu-toggle span,
    .menu-toggle::before,
    .menu-toggle::after {
      content: "";
      position: absolute;
      left: 13px;
      right: 13px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .menu-toggle::before { top: 15px; }
    .menu-toggle span { top: 22px; }
    .menu-toggle::after { top: 29px; }
    .site-header.is-open .menu-toggle::before { top: 22px; transform: rotate(45deg); }
    .site-header.is-open .menu-toggle span { opacity: 0; }
    .site-header.is-open .menu-toggle::after { top: 22px; transform: rotate(-45deg); }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(248, 243, 237, .98);
    }
    .mobile-panel .container {
      padding: 10px 0 18px;
    }
    .mobile-panel a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 48px;
      padding: 10px 0;
      color: var(--text);
      font-weight: 700;
      border-bottom: 1px solid rgba(66, 44, 33, .08);
    }
    .mobile-panel .panel-action {
      margin-top: 14px;
      width: 100%;
    }

    main {
      display: block;
    }

    .hero {
      position: relative;
      padding: 34px 0 22px;
    }
    .hero-shell {
      position: relative;
      border-radius: calc(var(--radius-lg) + 6px);
      overflow: hidden;
      border: 1px solid rgba(66, 44, 33, .12);
      box-shadow: var(--shadow);
      background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,250,246,.92));
    }
    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(120deg, rgba(250, 244, 239, .94) 0%, rgba(250, 244, 239, .78) 43%, rgba(32, 22, 18, .20) 100%),
        url('/assets/images/backpic/back-1.jpg');
      background-size: cover;
      background-position: center;
      filter: saturate(0.98);
      transform: scale(1.02);
    }
    .hero-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 78% 18%, rgba(192, 139, 89, .16), transparent 26%),
        radial-gradient(circle at 16% 78%, rgba(141, 75, 63, .15), transparent 28%);
      pointer-events: none;
    }
    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: center;
      padding: 42px;
      min-height: 640px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .12em;
      text-transform: uppercase;
    }
    .eyebrow::before {
      content: "";
      width: 14px;
      height: 14px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 0 4px rgba(141, 75, 63, .08);
      flex: none;
    }
    .hero h1 {
      margin: 16px 0 16px;
      font-size: clamp(40px, 5.4vw, 68px);
      line-height: 1.04;
      letter-spacing: -.04em;
      color: #201714;
      max-width: 10ch;
    }
    .hero p {
      margin: 0;
      max-width: 56ch;
      color: #4d4039;
      font-size: clamp(16px, 1.35vw, 19px);
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 28px 0 20px;
    }
    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      color: var(--text);
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(66, 44, 33, .10);
      box-shadow: 0 8px 18px rgba(66, 44, 33, .06);
    }
    .badge i {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      display: inline-block;
      flex: none;
    }

    .hero-visual {
      position: relative;
      min-height: 560px;
      border-radius: 28px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .20);
      box-shadow: 0 24px 50px rgba(34, 22, 17, .18);
      background: rgba(17, 12, 9, .16);
    }
    .hero-visual .visual-photo {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      filter: contrast(1.02) saturate(.98);
    }
    .hero-visual .visual-glow {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(20, 14, 11, .10) 0%, rgba(20, 14, 11, .54) 100%),
        radial-gradient(circle at 78% 18%, rgba(255, 255, 255, .16), transparent 18%),
        radial-gradient(circle at 22% 78%, rgba(192, 139, 89, .18), transparent 22%);
    }
    .hero-visual .visual-stack {
      position: absolute;
      inset: 22px;
      display: grid;
      grid-template-columns: 1fr;
      align-content: space-between;
      gap: 14px;
    }
    .visual-card {
      border-radius: 22px;
      background: rgba(255, 250, 246, .94);
      border: 1px solid rgba(255, 255, 255, .42);
      box-shadow: 0 20px 34px rgba(21, 14, 10, .18);
      overflow: hidden;
    }
    .visual-card-main {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      min-height: 254px;
    }
    .visual-card-main .photo {
      min-height: 100%;
      background: #d9c4b2;
    }
    .visual-card-main img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .visual-card-main .copy {
      padding: 18px 18px 18px 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 16px;
    }
    .visual-card-main .copy h2 {
      margin: 0;
      font-size: 22px;
      line-height: 1.15;
      letter-spacing: -.02em;
    }
    .visual-card-main .copy p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
    }
    .visual-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .stat-card {
      border-radius: 18px;
      background: rgba(255, 251, 248, .96);
      border: 1px solid rgba(66, 44, 33, .08);
      padding: 14px;
      min-height: 108px;
      box-shadow: 0 10px 18px rgba(28, 19, 13, .08);
    }
    .stat-card strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .stat-card span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }
    .mini-rail {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .mini-note {
      border-radius: 18px;
      background: rgba(255, 251, 247, .88);
      border: 1px solid rgba(66, 44, 33, .08);
      padding: 14px 16px;
      min-height: 92px;
      color: var(--text);
      box-shadow: 0 10px 18px rgba(28, 19, 13, .06);
    }
    .mini-note small {
      display: block;
      color: var(--muted);
      font-weight: 700;
      letter-spacing: .08em;
      margin-bottom: 6px;
      text-transform: uppercase;
    }
    .mini-note p {
      margin: 0;
      font-size: 14px;
      line-height: 1.55;
    }
    .mini-card {
      overflow: hidden;
      min-height: 92px;
    }
    .mini-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .section {
      padding: 72px 0;
      scroll-margin-top: calc(var(--header-h) + 18px);
    }
    .section.alt {
      background: linear-gradient(180deg, rgba(251, 247, 243, .72), rgba(244, 238, 231, .98));
      border-top: 1px solid rgba(66, 44, 33, .06);
      border-bottom: 1px solid rgba(66, 44, 33, .06);
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 28px;
    }
    .section-head .title-wrap {
      max-width: 760px;
    }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
    }
    .section-title {
      margin: 10px 0 12px;
      font-size: clamp(28px, 3.1vw, 42px);
      line-height: 1.08;
      letter-spacing: -.03em;
    }
    .section-desc {
      margin: 0;
      color: var(--muted);
      max-width: 760px;
      font-size: 16px;
    }
    .section-link {
      flex: none;
      color: var(--accent);
      font-weight: 800;
      padding: 11px 14px;
      border-radius: 999px;
      border: 1px solid rgba(141, 75, 63, .16);
      background: rgba(141, 75, 63, .06);
      transition: transform .2s ease, background .2s ease;
    }
    .section-link:hover {
      transform: translateY(-2px);
      background: rgba(141, 75, 63, .10);
    }

    .band {
      padding-top: 18px;
    }
    .band-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .band-card {
      border-radius: var(--radius);
      background: rgba(255, 251, 247, .86);
      border: 1px solid rgba(66, 44, 33, .09);
      box-shadow: 0 12px 20px rgba(33, 22, 15, .06);
      padding: 18px 18px 16px;
      display: flex;
      gap: 14px;
      align-items: flex-start;
      min-height: 112px;
    }
    .band-ico {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(141, 75, 63, .14), rgba(192, 139, 89, .18));
      display: grid;
      place-items: center;
      color: var(--accent);
      font-weight: 900;
      flex: none;
    }
    .band-card h3 {
      margin: 0 0 4px;
      font-size: 17px;
      line-height: 1.2;
    }
    .band-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: stretch;
    }
    .feature-featured {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      background: var(--panel);
      border: 1px solid rgba(66, 44, 33, .09);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .feature-featured .media {
      min-height: 100%;
    }
    .feature-featured .media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feature-featured .content {
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
    }
    .feature-featured h3 {
      margin: 0 0 10px;
      font-size: 26px;
      line-height: 1.15;
    }
    .feature-featured p {
      margin: 0;
      color: var(--muted);
      max-width: 42ch;
    }
    .feature-featured .inline-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }
    .feature-featured .inline-list li {
      position: relative;
      padding-left: 20px;
      color: var(--text);
      font-size: 14px;
    }
    .feature-featured .inline-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .78em;
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      transform: translateY(-50%);
    }

    .feature-stack {
      display: grid;
      gap: 18px;
    }
    .feature-card {
      background: rgba(255, 251, 247, .92);
      border: 1px solid rgba(66, 44, 33, .09);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
      display: grid;
      grid-template-columns: 132px 1fr;
      min-height: 170px;
    }
    .feature-card .thumb {
      position: relative;
      overflow: hidden;
      min-height: 100%;
    }
    .feature-card .thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feature-card .body {
      padding: 18px 18px 18px 16px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 10px;
    }
    .feature-card .tag {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(141, 75, 63, .09);
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .05em;
    }
    .feature-card h3 {
      margin: 0;
      font-size: 20px;
      line-height: 1.2;
    }
    .feature-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
    .news-card {
      background: rgba(255, 251, 247, .96);
      border: 1px solid rgba(66, 44, 33, .09);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .news-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 20px 44px rgba(34, 22, 17, .11);
      border-color: rgba(141, 75, 63, .18);
    }
    .news-media {
      display: block;
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #e8ddd2;
    }
    .news-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }
    .news-card:hover .news-media img {
      transform: scale(1.04);
    }
    .news-body {
      padding: 20px;
    }
    .news-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 12px;
      color: var(--muted);
      font-size: 13px;
    }
    .news-meta .chip {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(141, 75, 63, .09);
      color: var(--accent);
      font-weight: 800;
    }
    .news-meta time {
      color: var(--muted-2);
      font-weight: 600;
    }
    .news-body h3 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.28;
      letter-spacing: -.02em;
    }
    .news-body h3 a {
      display: inline-block;
    }
    .news-body h3 a:hover {
      color: var(--accent);
    }
    .news-body p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      min-height: calc(1.7em * 3);
    }
    .card-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-weight: 800;
    }
    .card-more::after {
      content: "→";
      transition: transform .2s ease;
    }
    .news-card:hover .card-more::after {
      transform: translateX(2px);
    }

    .empty-state {
      border: 1px dashed rgba(141, 75, 63, .24);
      background: rgba(255, 251, 247, .72);
      border-radius: var(--radius-lg);
      padding: 34px;
      color: var(--muted);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.75);
      min-height: 170px;
      display: grid;
      place-items: center;
      text-align: center;
      font-weight: 700;
      letter-spacing: .02em;
    }

    .info-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 18px;
      align-items: stretch;
    }
    .info-panel {
      background: rgba(255, 251, 247, .94);
      border: 1px solid rgba(66, 44, 33, .09);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .info-copy {
      padding: 26px;
    }
    .info-copy h3 {
      margin: 0 0 12px;
      font-size: 26px;
      line-height: 1.12;
    }
    .info-copy p {
      margin: 0 0 18px;
      color: var(--muted);
    }
    .steps {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 12px;
    }
    .steps li {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px 0;
      border-top: 1px solid rgba(66, 44, 33, .08);
    }
    .steps li:first-child {
      border-top: 0;
      padding-top: 0;
    }
    .step-num {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      font-weight: 800;
      color: var(--accent);
      background: rgba(141, 75, 63, .10);
      flex: none;
    }
    .steps strong {
      display: block;
      margin-bottom: 4px;
      font-size: 16px;
    }
    .steps span {
      color: var(--muted);
      font-size: 14px;
    }

    .info-visual {
      position: relative;
      min-height: 360px;
      overflow: hidden;
    }
    .info-visual img {
      width: 100%;
      height: 100%;
      min-height: 360px;
      object-fit: cover;
    }
    .info-visual::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(28, 18, 13, .06), rgba(28, 18, 13, .48)),
        radial-gradient(circle at 76% 18%, rgba(255,255,255,.14), transparent 16%);
    }
    .info-note {
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 20px;
      z-index: 1;
      border-radius: 20px;
      background: rgba(255, 250, 246, .94);
      border: 1px solid rgba(255, 255, 255, .44);
      padding: 16px 18px;
      box-shadow: 0 16px 28px rgba(20, 14, 10, .16);
    }
    .info-note small {
      display: inline-flex;
      margin-bottom: 6px;
      color: var(--accent);
      font-weight: 800;
      letter-spacing: .10em;
      text-transform: uppercase;
    }
    .info-note p {
      margin: 0;
      color: var(--text);
      font-size: 14px;
      line-height: 1.65;
    }

    .faq-grid {
      display: grid;
      gap: 14px;
    }
    .faq-item {
      background: rgba(255, 251, 247, .94);
      border: 1px solid rgba(66, 44, 33, .09);
      border-radius: 20px;
      box-shadow: 0 12px 24px rgba(34, 22, 17, .06);
      overflow: hidden;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .faq-item:hover {
      border-color: rgba(141, 75, 63, .18);
      box-shadow: 0 16px 28px rgba(34, 22, 17, .09);
      transform: translateY(-1px);
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-weight: 800;
      font-size: 17px;
      line-height: 1.35;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "";
      width: 12px;
      height: 12px;
      border-right: 2px solid var(--accent);
      border-bottom: 2px solid var(--accent);
      transform: rotate(45deg);
      transition: transform .2s ease, margin-top .2s ease;
      margin-left: 8px;
      flex: none;
    }
    .faq-item[open] summary::after {
      transform: rotate(-135deg);
      margin-top: 6px;
    }
    .faq-answer {
      padding: 0 20px 20px;
      color: var(--muted);
      border-top: 1px solid rgba(66, 44, 33, .08);
    }
    .faq-answer p {
      margin: 16px 0 0;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 18px;
      align-items: stretch;
    }
    .contact-card {
      background: rgba(255, 251, 247, .96);
      border: 1px solid rgba(66, 44, 33, .09);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .contact-intro {
      padding: 26px;
      border-bottom: 1px solid rgba(66, 44, 33, .08);
    }
    .contact-intro h3 {
      margin: 0 0 10px;
      font-size: 26px;
      line-height: 1.12;
    }
    .contact-intro p {
      margin: 0;
      color: var(--muted);
    }
    .contact-form {
      padding: 22px 26px 26px;
      display: grid;
      gap: 14px;
    }
    .field {
      display: grid;
      gap: 8px;
    }
    .field label {
      font-size: 14px;
      font-weight: 700;
      color: var(--text);
    }
    .field input,
    .field textarea {
      width: 100%;
      border: 1px solid rgba(66, 44, 33, .14);
      background: rgba(255, 255, 255, .95);
      color: var(--text);
      border-radius: 16px;
      padding: 13px 14px;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field input::placeholder,
    .field textarea::placeholder {
      color: #a19187;
    }
    .field input:focus,
    .field textarea:focus {
      border-color: rgba(141, 75, 63, .44);
      box-shadow: var(--focus);
      background: #fff;
    }
    .field textarea {
      min-height: 140px;
      resize: vertical;
    }
    .contact-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 4px;
    }
    .form-feedback {
      display: none;
      padding: 12px 14px;
      border-radius: 14px;
      background: rgba(141, 75, 63, .08);
      color: var(--accent-3);
      font-weight: 700;
      border: 1px solid rgba(141, 75, 63, .14);
    }
    .form-feedback.is-visible {
      display: block;
    }

    .contact-side {
      display: grid;
      grid-template-rows: auto 1fr;
    }
    .contact-side .side-top {
      padding: 26px;
      border-bottom: 1px solid rgba(66, 44, 33, .08);
    }
    .contact-side h4 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.25;
    }
    .contact-side p {
      margin: 0;
      color: var(--muted);
    }
    .contact-list {
      padding: 20px 26px 26px;
      display: grid;
      gap: 14px;
    }
    .contact-item {
      border-radius: 18px;
      padding: 16px 18px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(66, 44, 33, .08);
    }
    .contact-item strong {
      display: block;
      margin-bottom: 6px;
      font-size: 15px;
    }
    .contact-item span {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .site-footer {
      margin-top: 18px;
      background: linear-gradient(180deg, #3a2720 0%, #2a1b16 100%);
      color: rgba(255, 247, 240, .92);
      border-top: 1px solid rgba(255, 255, 255, .06);
    }
    .footer-inner {
      padding: 52px 0 28px;
      display: grid;
      grid-template-columns: 1.15fr .65fr .7fr;
      gap: 28px;
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 800;
      font-size: 18px;
    }
    .footer-brand .brand-mark {
      box-shadow: none;
    }
    .footer-col p {
      margin: 14px 0 0;
      color: rgba(255, 247, 240, .74);
      max-width: 40ch;
    }
    .footer-col h5 {
      margin: 0 0 14px;
      font-size: 15px;
      letter-spacing: .08em;
      color: rgba(255, 247, 240, .86);
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: rgba(255, 247, 240, .78);
      transition: color .2s ease, transform .2s ease;
    }
    .footer-links a:hover {
      color: #fff;
      transform: translateX(2px);
    }
    .footer-bottom {
      padding: 16px 0 26px;
      border-top: 1px solid rgba(255, 255, 255, .10);
      color: rgba(255, 247, 240, .66);
      font-size: 13px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
    }

    .stack-note {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--muted);
    }
    .stack-note::before {
      content: "";
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--accent-2);
      box-shadow: 0 0 0 4px rgba(192, 139, 89, .10);
      flex: none;
    }

    @media (max-width: 1120px) {
      .hero-grid,
      .feature-layout,
      .info-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .feature-featured {
        grid-template-columns: 1fr;
      }
      .feature-featured .media {
        aspect-ratio: 16 / 10;
      }
      .footer-inner {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 960px) {
      .site-nav,
      .nav-actions .btn {
        display: none;
      }
      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }
      .mobile-panel {
        display: none;
      }
      .site-header.is-open .mobile-panel {
        display: block;
      }
      .hero-grid {
        padding: 26px;
        min-height: unset;
      }
      .hero h1 {
        max-width: 12ch;
      }
      .hero-visual {
        min-height: 500px;
      }
      .band-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 720px) {
      .container {
        width: min(var(--max), calc(100% - 22px));
      }
      .hero {
        padding-top: 18px;
      }
      .hero-grid,
      .section {
        padding-left: 0;
        padding-right: 0;
      }
      .hero-grid {
        gap: 18px;
      }
      .hero h1 {
        font-size: clamp(34px, 11vw, 46px);
      }
      .hero p,
      .section-desc {
        font-size: 15px;
      }
      .hero-visual {
        min-height: 430px;
      }
      .visual-card-main {
        grid-template-columns: 1fr;
      }
      .visual-card-main .photo {
        min-height: 170px;
      }
      .visual-stats,
      .mini-rail {
        grid-template-columns: 1fr;
      }
      .band-card,
      .news-body,
      .info-copy,
      .contact-intro,
      .contact-form,
      .contact-side .side-top,
      .contact-list {
        padding-left: 18px;
        padding-right: 18px;
      }
      .feature-featured .content {
        padding: 20px;
      }
      .feature-card {
        grid-template-columns: 1fr;
      }
      .feature-card .thumb {
        aspect-ratio: 16 / 9;
      }
      .feature-card .body {
        padding: 18px;
      }
      .faq-item summary {
        font-size: 16px;
        padding: 16px 18px;
      }
      .faq-answer {
        padding: 0 18px 18px;
      }
      .footer-inner {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .header-inner {
        min-height: 74px;
      }
      .brand-text {
        font-size: 15px;
      }
      .hero-grid {
        padding: 18px;
      }
      .hero-visual {
        min-height: 380px;
      }
      .hero-actions,
      .contact-actions {
        flex-direction: column;
        align-items: stretch;
      }
      .btn,
      .section-link {
        width: 100%;
      }
      .section-head {
        flex-direction: column;
        align-items: start;
      }
      .section-title {
        font-size: clamp(24px, 8vw, 32px);
      }
      .contact-form,
      .contact-list {
        padding-bottom: 20px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      *,
      *::before,
      *::after {
        animation: none !important;
        transition-duration: .01ms !important;
        transition-delay: 0s !important;
      }
    }

/* roulang page: article */
:root{
      --bg: #f4efe8;
      --bg-soft: #fbf8f4;
      --panel: #fffaf5;
      --panel-2: #f7f1eb;
      --text: #221a15;
      --muted: #6f625a;
      --muted-2: #8c7e75;
      --line: rgba(66, 44, 33, .11);
      --line-strong: rgba(66, 44, 33, .18);
      --accent: #8d4b3f;
      --accent-2: #c08b59;
      --accent-3: #5a3129;
      --shadow: 0 18px 45px rgba(46, 30, 21, .08);
      --shadow-2: 0 12px 24px rgba(46, 30, 21, .10);
      --radius: 22px;
      --radius-lg: 30px;
      --radius-sm: 16px;
      --max: 1200px;
      --header-h: 82px;
      --focus: 0 0 0 3px rgba(141, 75, 63, .16);
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: calc(var(--header-h) + 18px);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      background:
        radial-gradient(circle at top left, rgba(192, 139, 89, .10), transparent 28%),
        radial-gradient(circle at 84% 12%, rgba(141, 75, 63, .08), transparent 22%),
        linear-gradient(180deg, #f7f1eb 0%, #f4eee8 54%, #f5f0ea 100%);
      color: var(--text);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

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

    a:hover {
      color: var(--accent);
    }

    button,
    input,
    textarea {
      font: inherit;
    }

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

    :focus-visible {
      outline: none;
      box-shadow: var(--focus);
      border-color: rgba(141, 75, 63, .38);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(248, 242, 236, .96);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(53, 35, 27, .05);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      color: var(--text);
      font-weight: 800;
      letter-spacing: .01em;
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--accent) 0%, #ab6254 48%, var(--accent-2) 100%);
      box-shadow: 0 12px 24px rgba(141, 75, 63, .24);
      flex: none;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .brand-text {
      font-size: clamp(16px, 1.3vw, 19px);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .site-nav a {
      position: relative;
      padding: 10px 0;
      color: var(--muted);
      font-weight: 700;
      transition: color .2s ease;
    }

    .site-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 100%;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }

    .site-nav a:hover,
    .site-nav a.active {
      color: var(--text);
    }

    .site-nav a:hover::after,
    .site-nav a.active::after {
      transform: scaleX(1);
    }

    .nav-actions {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      user-select: none;
      white-space: nowrap;
    }

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

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

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--accent) 0%, #a85f50 100%);
      box-shadow: 0 12px 26px rgba(141, 75, 63, .25);
    }

    .btn-primary:hover {
      color: #fff;
      background: linear-gradient(135deg, #9b5547 0%, #b56655 100%);
    }

    .btn-ghost {
      color: var(--accent);
      background: rgba(141, 75, 63, .08);
      border-color: rgba(141, 75, 63, .14);
    }

    .btn-soft {
      color: var(--text);
      background: rgba(255, 255, 255, .76);
      border-color: rgba(66, 44, 33, .10);
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      border: 1px solid rgba(66, 44, 33, .12);
      background: rgba(255, 255, 255, .85);
      color: var(--text);
      cursor: pointer;
      position: relative;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      flex: 0 0 auto;
    }

    .menu-toggle:hover {
      transform: translateY(-1px);
      box-shadow: var(--shadow-2);
    }

    .menu-toggle span,
    .menu-toggle::before,
    .menu-toggle::after {
      content: "";
      position: absolute;
      left: 13px;
      right: 13px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }

    .menu-toggle::before { top: 15px; }
    .menu-toggle span { top: 22px; }
    .menu-toggle::after { top: 29px; }

    .site-header.is-open .menu-toggle::before {
      top: 22px;
      transform: rotate(45deg);
    }

    .site-header.is-open .menu-toggle span {
      opacity: 0;
    }

    .site-header.is-open .menu-toggle::after {
      top: 22px;
      transform: rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(248, 243, 237, .98);
    }

    .mobile-panel .container {
      padding: 10px 0 18px;
    }

    .mobile-panel a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 48px;
      padding: 10px 0;
      color: var(--text);
      font-weight: 700;
      border-bottom: 1px solid rgba(66, 44, 33, .08);
    }

    .mobile-panel .panel-action {
      margin-top: 14px;
      width: 100%;
    }

    main {
      display: block;
    }

    .article-hero {
      padding: 34px 0 12px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.16fr) minmax(320px, .84fr);
      gap: 24px;
      align-items: stretch;
    }

    .hero-copy,
    .hero-panel,
    .article-card,
    .info-card,
    .latest-card,
    .cta-panel,
    .empty-state,
    .faq-item,
    .article-list-note {
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .hero-copy {
      border-radius: var(--radius-lg);
      padding: 28px;
      position: relative;
      overflow: hidden;
    }

    .hero-copy::before {
      content: "";
      position: absolute;
      inset: auto -40px -120px auto;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(192, 139, 89, .18), transparent 68%);
      pointer-events: none;
    }

    .crumbs {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted-2);
      font-size: 14px;
      margin-bottom: 12px;
    }

    .crumbs a {
      color: var(--muted);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      color: var(--accent);
      background: rgba(141, 75, 63, .08);
      border: 1px solid rgba(141, 75, 63, .14);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .02em;
    }

    .hero-copy h1 {
      margin: 16px 0 12px;
      font-size: clamp(32px, 3.8vw, 54px);
      line-height: 1.12;
      letter-spacing: -.02em;
      color: var(--text);
    }

    .hero-summary {
      max-width: 56ch;
      margin: 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .meta-chip {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(66, 44, 33, .09);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }

    .hero-panel {
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      min-height: 360px;
    }

    .hero-panel img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 360px;
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(28, 19, 15, .08) 0%, rgba(28, 19, 15, .30) 100%),
        radial-gradient(circle at 18% 22%, rgba(192, 139, 89, .20), transparent 28%);
      pointer-events: none;
    }

    .hero-overlay-card {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      z-index: 1;
      border-radius: 22px;
      background: rgba(255, 251, 247, .90);
      border: 1px solid rgba(255, 255, 255, .42);
      box-shadow: 0 16px 42px rgba(18, 12, 9, .18);
      backdrop-filter: blur(8px);
      padding: 18px;
    }

    .hero-flag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(141, 75, 63, .10);
      color: var(--accent-3);
      border: 1px solid rgba(141, 75, 63, .12);
      font-weight: 700;
      font-size: 13px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }

    .hero-stats div {
      padding: 12px 12px 10px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(66, 44, 33, .09);
    }

    .hero-stats strong {
      display: block;
      color: var(--text);
      font-size: 14px;
      line-height: 1.35;
    }

    .hero-stats span {
      display: block;
      margin-top: 4px;
      color: var(--muted-2);
      font-size: 12px;
    }

    .article-section {
      padding: 22px 0 18px;
    }

    .article-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 22px;
      align-items: start;
    }

    .article-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .article-card-head {
      padding:22px 24px 0;
    }
    .article-toolbar {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--line);
    }
    .article-label {
      margin-bottom: 10px;
    }
    .article-heading-note {
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }
    .article-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }
    .article-pill {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(66, 44, 33, .09);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }
    .article-content-wrap {
      padding: 22px 24px 24px;
    }
    .article-content {
      font-size: 17px;
      line-height: 1.95;
      color: var(--text);
    }
    .article-content > :first-child {
      margin-top: 0;
    }
    .article-content > :last-child {
      margin-bottom: 0;
    }
    .article-content h2,
    .article-content h3,
    .article-content h4 {
      margin: 1.5em 0 .7em;
      line-height: 1.35;
      color: var(--text);
      letter-spacing: -.01em;
    }
    .article-content h2 {
      font-size: 26px;
    }
    .article-content h3 {
      font-size: 22px;
    }
    .article-content h4 {
      font-size: 18px;
    }
    .article-content p {
      margin: 0 0 1.1em;
      color: var(--text);
    }
    .article-content ul,
    .article-content ol {
      margin: 0 0 1.2em;
      padding-left: 1.25em;
    }
    .article-content li + li {
      margin-top: .45em;
    }
    .article-content blockquote {
      margin: 1.4em 0;
      padding: 16px 18px;
      border-left: 4px solid var(--accent);
      background: rgba(141, 75, 63, .06);
      border-radius: 18px;
      color: var(--muted);
    }
    .article-content figure {
      margin: 1.3em 0;
    }
    .article-content img {
      width: 100%;
      height: auto;
      border-radius: 18px;
      box-shadow: var(--shadow);
    }
    .article-content figcaption {
      margin-top: 8px;
      color: var(--muted-2);
      font-size: 13px;
    }
    .article-content pre {
      margin: 1.3em 0;
      padding: 16px 18px;
      border-radius: 18px;
      background: #1f1815;
      color: #f6ede7;
      overflow: auto;
      font-size: 14px;
    }
    .article-content code {
      padding: .14em .38em;
      border-radius: 8px;
      background: rgba(141, 75, 63, .08);
      color: var(--accent-3);
    }
    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.3em 0;
      overflow: hidden;
      border-radius: 18px;
    }
    .article-content th,
    .article-content td {
      border: 1px solid var(--line);
      padding: 12px 14px;
      text-align: left;
      vertical-align: top;
    }
    .article-content th {
      background: var(--panel-2);
    }
    .article-content a {
      color: var(--accent);
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .article-content hr {
      border: 0;
      border-top: 1px solid var(--line);
      margin: 1.4em 0;
    }
    .article-sidebar {
      display: grid;
      gap: 18px;
      position: sticky;
      top: calc(var(--header-h) + 18px);
    }
    .side-card {
      border-radius: var(--radius);
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      padding: 18px;
    }
    .side-card h3,
    .side-card h4 {
      margin: 0;
      color: var(--text);
    }
    .side-card p {
      margin: 0;
      color: var(--muted);
    }
    .side-card .eyebrow {
      margin-bottom: 10px;
    }
    .side-list {
      display: grid;
      gap: 12px;
      margin-top: 14px;
    }
    .latest-item {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 12px;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(66, 44, 33, .09);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .latest-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-2);
      border-color: rgba(141, 75, 63, .18);
    }
    .latest-item img {
      width: 100%;
      height: 76px;
      object-fit: cover;
      border-radius: 14px;
    }
    .latest-item h4 {
      margin: 0 0 6px;
      font-size: 15px;
      line-height: 1.45;
      color: var(--text);
    }
    .latest-item .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted-2);
      font-size: 12px;
    }
    .side-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }
    .side-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(141, 75, 63, .14);
      background: rgba(141, 75, 63, .08);
      color: var(--accent-3);
      font-weight: 700;
      font-size: 13px;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .side-links a:hover {
      transform: translateY(-2px);
      background: rgba(141, 75, 63, .12);
      box-shadow: var(--shadow-2);
    }
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 14px;
    }
    .section-head h2 {
      margin: 0;
      font-size: clamp(24px, 2vw, 32px);
    }
    .section-head h3 {
      margin: 0;
      font-size: 22px;
    }
    .section-head p {
      margin: 0;
      color: var(--muted);
    }
    .info-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .info-grid .side-card {
      padding: 20px;
    }
    .info-grid .num {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(192, 139, 89, .12);
      color: var(--accent-3);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .info-grid ul {
      margin: 12px 0 0;
      padding-left: 1.2em;
      color: var(--muted);
    }
    .info-grid li + li {
      margin-top: .5em;
    }
    .faq-wrap {
      display: grid;
      gap: 14px;
    }
    .faq-item {
      border-radius: 20px;
      padding: 0;
      overflow: hidden;
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-weight: 800;
      color: var(--text);
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 22px;
      line-height: 1;
      color: var(--accent);
    }
    .faq-item[open] summary {
      border-bottom: 1px solid var(--line);
    }
    .faq-item[open] summary::after {
      content: "—";
    }
    .faq-answer {
      padding: 0 20px 18px;
      color: var(--muted);
    }
    .faq-answer p {
      margin: 0;
    }
    .cta-panel {
      border-radius: var(--radius-lg);
      padding: 24px;
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 24px;
      align-items: start;
      background: linear-gradient(135deg, rgba(141, 75, 63, .08), rgba(255, 255, 255, .92) 44%, rgba(192, 139, 89, .08));
      border: 1px solid var(--line);
    }
    .cta-copy h2 {
      margin: 10px 0 12px;
      font-size: clamp(26px, 2.4vw, 36px);
    }
    .cta-copy p {
      margin: 0;
      color: var(--muted);
      max-width: 44ch;
    }
    .contact-form {
      display: grid;
      gap: 14px;
    }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .contact-form label {
      display: grid;
      gap: 8px;
      font-size: 14px;
      color: var(--muted);
      font-weight: 700;
    }
    .contact-form input,
    .contact-form textarea {
      width: 100%;
      border: 1px solid rgba(66, 44, 33, .12);
      border-radius: 18px;
      background: rgba(255, 255, 255, .92);
      padding: 14px 16px;
      color: var(--text);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55);
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease, background .2s ease;
    }
    .contact-form input::placeholder,
    .contact-form textarea::placeholder {
      color: #aa9b91;
    }
    .contact-form input:focus,
    .contact-form textarea:focus {
      border-color: rgba(141, 75, 63, .34);
      box-shadow: var(--focus);
      outline: none;
      background: #fff;
    }
    .contact-form textarea {
      min-height: 120px;
      resize: vertical;
    }
    .submit-note {
      font-size: 13px;
      color: var(--muted-2);
    }
    .empty-state {
      border-radius: var(--radius);
      padding: 30px;
      text-align: center;
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .empty-state h2 {
      margin: 10px 0 10px;
    }
    .empty-state p {
      margin: 0 0 18px;
      color: var(--muted);
    }
    .article-list-note {
      border-radius: var(--radius);
      padding: 18px;
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      color: var(--muted);
    }
    .site-footer {
      margin-top: 30px;
      background: linear-gradient(180deg, rgba(90, 49, 41, .98), rgba(64, 35, 28, .98));
      color: #f8f2ed;
      border-top: 1px solid rgba(255, 255, 255, .08);
    }
    .footer-inner {
      padding: 34px 0 18px;
      display: grid;
      grid-template-columns: 1.3fr .8fr .8fr;
      gap: 24px;
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .footer-brand .brand-mark {
      box-shadow: none;
    }
    .site-footer p {
      margin: 0;
      color: rgba(248, 242, 237, .8);
    }
    .footer-col h5 {
      margin: 0 0 14px;
      font-size: 15px;
      color: #fff;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: rgba(248, 242, 237, .82);
      line-height: 1.55;
    }
    .footer-links a:hover {
      color: #fff;
    }
    .footer-bottom {
      padding: 14px 0 22px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      color: rgba(248, 242, 237, .78);
      font-size: 14px;
    }
    .stack-note {
      color: rgba(248, 242, 237, .62);
    }
    @media (max-width: 1100px) {
      .hero-grid,
      .article-grid,
      .cta-panel,
      .footer-inner,
      .info-grid {
        grid-template-columns: 1fr;
      }
      .article-sidebar {
        position: static;
      }
    }
    @media (max-width: 920px) {
      .site-nav,
      .nav-actions .btn-soft,
      .nav-actions .btn-primary {
        display: none;
      }
      .menu-toggle {
        display: inline-block;
      }
      .mobile-panel {
        display: none;
      }
      .site-header.is-open .mobile-panel {
        display: block;
      }
      .hero-panel {
        min-height: 320px;
      }
      .hero-panel img {
        min-height: 320px;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .container {
        width: min(var(--max), calc(100% - 24px));
      }
      .header-inner {
        min-height: 72px;
      }
      .article-hero {
        padding-top: 22px;
      }
      .hero-copy,
      .hero-panel,
      .article-card,
      .side-card,
      .cta-panel,
      .empty-state,
      .faq-item {
        border-radius: 20px;
      }
      .hero-copy {
        padding: 22px;
      }
      .hero-copy h1 {
        font-size: clamp(28px, 8vw, 38px);
      }
      .hero-summary {
        font-size: 16px;
      }
      .hero-stats {
        grid-template-columns: 1fr;
      }
      .section-head {
        flex-direction: column;
        align-items: flex-start;
      }
      .footer-inner {
        padding-top: 26px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 520px) {
      .hero-meta,
      .hero-actions {
        gap: 8px;
      }
      .hero-actions .btn,
      .contact-form .btn {
        width: 100%;
      }
      .hero-copy {
        padding: 18px;
      }
      .hero-overlay-card {
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 14px;
      }
      .article-card-head,
      .article-content-wrap {
        padding-left: 16px;
        padding-right: 16px;
      }
      .article-content {
        font-size: 16px;
      }
      .side-card {
        padding: 16px;
      }
      .latest-item {
        grid-template-columns: 72px 1fr;
      }
      .cta-panel {
        padding: 18px;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}