/* roulang page: index */
:root {
      --bg: #f3efe7;
      --panel: #fffdf8;
      --panel-2: #f8f4ec;
      --brand: #163c3a;
      --brand-2: #6d8d83;
      --text: #202522;
      --muted: #66706b;
      --line: rgba(22, 60, 58, 0.12);
      --line-2: rgba(22, 60, 58, 0.18);
      --accent: #c96b52;
      --shadow: 0 18px 45px rgba(32, 37, 34, 0.08);
      --shadow-soft: 0 8px 20px rgba(32, 37, 34, 0.06);
      --radius: 16px;
      --radius-sm: 10px;
      --radius-lg: 22px;
      --space: clamp(18px, 2vw, 28px);
      --container: 1200px;
      --ease: 220ms cubic-bezier(.2,.8,.2,1);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      line-height: 1.8;
      background:
        radial-gradient(circle at top left, rgba(109,141,131,.10), transparent 32%),
        radial-gradient(circle at 85% 10%, rgba(201,107,82,.08), transparent 24%),
        linear-gradient(180deg, #f6f2eb 0%, var(--bg) 100%);
      min-height: 100vh;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .35;
      background-image:
        linear-gradient(rgba(22,60,58,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22,60,58,.03) 1px, transparent 1px);
      background-size: 72px 72px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 78%);
      z-index: -1;
    }
    img { display: block; max-width: 100%; }
    a { color: inherit; text-decoration: none; }
    button, input, textarea { font: inherit; }
    button { border: 0; background: none; }
    ::selection { background: rgba(22,60,58,.18); color: var(--brand); }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(243,239,231,.9);
      border-bottom: 1px solid rgba(109,141,131,.18);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: 82px;
      padding: 12px 0;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 700;
      color: var(--brand);
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(145deg, var(--brand), #1f5350);
      box-shadow: var(--shadow-soft);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.48);
    }
    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
      min-width: 0;
    }
    .brand-text strong {
      font-size: 18px;
      letter-spacing: .02em;
    }
    .brand-text span {
      font-size: 12px;
      color: var(--muted);
      margin-top: 4px;
    }
    .nav {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line-2);
      border-radius: 12px;
      color: var(--brand);
      background: rgba(255,255,255,.45);
      cursor: pointer;
      transition: all var(--ease);
    }
    .nav-toggle:hover { border-color: rgba(22,60,58,.3); background: rgba(255,255,255,.8); }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .nav-list a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 14px;
      border-radius: 999px;
      color: var(--text);
      transition: all var(--ease);
    }
    .nav-list a:hover,
    .nav-list a:focus-visible {
      background: rgba(22,60,58,.07);
      color: var(--brand);
      outline: none;
    }
    .nav-list a.active {
      color: var(--brand);
      position: relative;
    }
    .nav-list a.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 7px;
      height: 2px;
      border-radius: 999px;
      background: var(--accent);
    }
    .nav-cta {
      padding: 12px 18px;
      border-radius: 999px;
      background: var(--brand);
      color: #fff7ef;
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), background var(--ease), box-shadow var(--ease);
      white-space: nowrap;
    }
    .nav-cta:hover,
    .nav-cta:focus-visible {
      background: var(--brand-2);
      transform: translateY(-1px);
      outline: none;
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 34px 0 0;
    }
    .hero-panel {
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(22,60,58,.92), rgba(22,60,58,.75)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: #fff7ef;
      box-shadow: var(--shadow);
      isolation: isolate;
    }
    .hero-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 80% 20%, rgba(201,107,82,.2), transparent 24%),
        linear-gradient(180deg, rgba(10,28,27,.18), rgba(10,28,27,.52));
      z-index: -1;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: center;
      min-height: 620px;
      padding: clamp(28px, 4vw, 54px);
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.16);
      color: rgba(255,247,239,.92);
      font-size: 13px;
      letter-spacing: .04em;
      margin-bottom: 18px;
    }
    .hero h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.12;
      letter-spacing: -.02em;
      max-width: 9em;
    }
    .hero p {
      margin: 18px 0 0;
      max-width: 34em;
      font-size: 16px;
      color: rgba(255,247,239,.88);
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 18px;
      border-radius: 8px;
      transition: all var(--ease);
      border: 1px solid transparent;
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-primary {
      background: #ffffff;
      color: var(--brand);
      box-shadow: var(--shadow-soft);
      font-weight: 700;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: #dce7e3;
      outline: none;
      transform: translateY(-1px);
    }
    .btn-secondary {
      background: transparent;
      color: #fff7ef;
      border-color: rgba(255,255,255,.28);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.44);
      outline: none;
      transform: translateY(-1px);
    }
    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.16);
      color: rgba(255,247,239,.96);
      font-size: 13px;
    }
    .hero-visual {
      display: grid;
      gap: 18px;
      align-items: end;
    }
    .hero-image {
      border-radius: 24px;
      overflow: hidden;
      min-height: 370px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      position: relative;
      box-shadow: 0 20px 55px rgba(10,28,27,.18);
    }
    .hero-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .92;
      filter: saturate(.92) contrast(1.02);
    }
    .hero-image .floating-tag {
      position: absolute;
      left: 18px;
      bottom: 18px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 14px;
      background: rgba(243,239,231,.92);
      color: var(--brand);
      box-shadow: var(--shadow-soft);
      font-weight: 700;
    }
    .hero-side {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .mini-card {
      padding: 14px 14px 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      backdrop-filter: blur(2px);
    }
    .mini-card strong {
      display: block;
      font-size: 18px;
      color: #fff8f0;
      margin-bottom: 4px;
    }
    .mini-card span {
      display: block;
      font-size: 13px;
      color: rgba(255,247,239,.8);
    }

    .info-band {
      margin-top: -28px;
      position: relative;
      z-index: 2;
    }
    .info-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: rgba(255,253,248,.94);
      border: 1px solid rgba(109,141,131,.18);
      border-radius: 22px;
      box-shadow: var(--shadow-soft);
      padding: 18px;
    }
    .info-item {
      padding: 12px 14px;
      border-radius: 16px;
      background: linear-gradient(180deg, rgba(243,239,231,.6), rgba(255,255,255,.4));
      border: 1px solid rgba(22,60,58,.08);
    }
    .info-item .label {
      color: var(--brand-2);
      font-size: 12px;
      letter-spacing: .04em;
      margin-bottom: 8px;
    }
    .info-item .value {
      font-weight: 700;
      color: var(--text);
      line-height: 1.45;
    }

    .section {
      padding: clamp(72px, 9vw, 112px) 0 0;
    }
    .section-head {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 20px;
      align-items: end;
      margin-bottom: 28px;
    }
    .section-head h2 {
      margin: 0;
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1.18;
      color: var(--brand);
      letter-spacing: -.01em;
    }
    .section-head p {
      margin: 12px 0 0;
      max-width: 54em;
      color: var(--muted);
    }
    .section-link {
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(22,60,58,.06);
      color: var(--brand);
      border: 1px solid rgba(22,60,58,.08);
      transition: all var(--ease);
      white-space: nowrap;
    }
    .section-link:hover,
    .section-link:focus-visible {
      background: rgba(22,60,58,.11);
      transform: translateY(-1px);
      outline: none;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }
    .panel {
      background: rgba(255,253,248,.95);
      border: 1px solid rgba(109,141,131,.18);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }
    .panel-pad {
      padding: 28px;
    }
    .lead-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }
    .lead-item {
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 14px;
      align-items: start;
      padding: 15px 16px;
      border-radius: 16px;
      background: var(--panel-2);
      border: 1px solid rgba(22,60,58,.08);
    }
    .lead-item strong {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(22,60,58,.09);
      color: var(--brand);
      font-size: 18px;
    }
    .lead-item h3 {
      margin: 0 0 4px;
      font-size: 18px;
      color: var(--brand);
    }
    .lead-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }
    .entry-grid {
      display: grid;
      gap: 16px;
      height: 100%;
    }
    .entry-card {
      padding: 22px;
      border-radius: 18px;
      border: 1px solid rgba(22,60,58,.1);
      background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(243,239,231,.82));
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
      box-shadow: 0 10px 25px rgba(32,37,34,.05);
    }
    .entry-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(22,60,58,.2);
    }
    .entry-card .index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: rgba(109,141,131,.14);
      color: var(--brand);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .entry-card h3 {
      margin: 0 0 8px;
      color: var(--brand);
      font-size: 20px;
    }
    .entry-card p {
      margin: 0 0 16px;
      color: var(--muted);
    }
    .entry-card .arrow {
      color: var(--accent);
      font-weight: 700;
    }

    .timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .timeline-card {
      position: relative;
      padding: 24px 20px 22px;
      border-radius: 18px;
      background: rgba(255,253,248,.95);
      border: 1px solid rgba(109,141,131,.18);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .timeline-card::before {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 4px;
      background: linear-gradient(90deg, var(--brand), var(--brand-2));
    }
    .timeline-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(22,60,58,.09);
      color: var(--brand);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .timeline-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
      color: var(--brand);
    }
    .timeline-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items: stretch;
    }
    .feature-main {
      overflow: hidden;
    }
    .feature-image {
      position: relative;
      min-height: 360px;
      border-radius: 22px;
      overflow: hidden;
      margin-bottom: 18px;
    }
    .feature-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feature-image .tag {
      position: absolute;
      top: 18px;
      left: 18px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(22,60,58,.88);
      color: #fff7ef;
      font-size: 13px;
    }
    .feature-main h3 {
      margin: 0 0 10px;
      font-size: 24px;
      color: var(--brand);
    }
    .feature-main p {
      margin: 0 0 18px;
      color: var(--muted);
    }
    .feature-main .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(109,141,131,.12);
      color: var(--brand);
      font-size: 13px;
      border: 1px solid rgba(109,141,131,.16);
    }
    .subcards {
      display: grid;
      gap: 16px;
    }
    .subcard {
      padding: 22px;
      border-radius: 20px;
      background: linear-gradient(180deg, rgba(255,253,248,.98), rgba(243,239,231,.82));
      border: 1px solid rgba(22,60,58,.1);
      box-shadow: var(--shadow-soft);
    }
    .subcard img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      border-radius: 16px;
      margin-bottom: 16px;
    }
    .subcard h4 {
      margin: 0 0 8px;
      color: var(--brand);
      font-size: 19px;
    }
    .subcard p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }
    .subcard .more {
      display: inline-flex;
      margin-top: 14px;
      color: var(--accent);
      font-weight: 700;
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
      align-items: stretch;
    }
    .news-lead,
    .news-list,
    .news-item {
      border-radius: 20px;
      overflow: hidden;
      background: rgba(255,253,248,.95);
      border: 1px solid rgba(109,141,131,.18);
      box-shadow: var(--shadow-soft);
    }
    .news-lead {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
    }
    .news-lead img,
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-copy {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .news-copy .tag,
    .news-meta .tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(22,60,58,.09);
      color: var(--brand);
      font-size: 12px;
      width: fit-content;
      margin-bottom: 12px;
    }
    .news-copy h3,
    .news-item h4 {
      margin: 0 0 10px;
      color: var(--brand);
      line-height: 1.35;
    }
    .news-copy h3 { font-size: 22px; }
    .news-item h4 { font-size: 18px; }
    .news-copy .date,
    .news-item .date {
      color: var(--brand-2);
      font-size: 13px;
      margin-bottom: 12px;
    }
    .news-copy p,
    .news-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }
    .news-list {
      display: grid;
      gap: 14px;
      padding: 14px;
    }
    .news-item {
      display: grid;
      grid-template-columns: 132px 1fr;
      align-items: stretch;
      overflow: hidden;
      background: #fff;
    }
    .news-thumb { minheight: 100%; min-height: 210px; }
    .news-item .news-copy { padding: 20px; }
    .news-item .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--brand-2);
      font-size: 13px;
    }
    .news-item .more {
      display: inline-flex;
      margin-top: 14px;
      color: var(--accent);
      font-weight: 700;
    }
    .news-list .news-item + .news-item { margin-top: 0; }

    .faq-wrap {
      display: grid;
      gap: 14px;
    }
    .faq-item {
      border-radius: 18px;
      overflow: hidden;
      border: 1px solid rgba(109,141,131,.18);
      background: rgba(255,253,248,.95);
      box-shadow: var(--shadow-soft);
    }
    .faq-q {
      width: 100%;
      display: grid;
      grid-template-columns: 42px 1fr auto;
      align-items: center;
      gap: 14px;
      padding: 18px 20px;
      color: var(--text);
      cursor: pointer;
      text-align: left;
      background: transparent;
      transition: background var(--ease), color var(--ease);
    }
    .faq-q:hover,
    .faq-q:focus-visible {
      background: rgba(22,60,58,.04);
      outline: none;
    }
    .faq-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(22,60,58,.08);
      color: var(--brand);
      font-weight: 700;
    }
    .faq-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--brand);
    }
    .faq-icon {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--brand);
      background: rgba(109,141,131,.1);
      transition: transform var(--ease);
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); }
    .faq-a {
      display: none;
      padding: 0 20px 18px 68px;
      color: var(--muted);
      font-size: 15px;
    }
    .faq-item.open .faq-a { display: block; }

    .cta {
      margin-top: 28px;
      padding: 28px;
      border-radius: 24px;
      background: linear-gradient(135deg, rgba(22,60,58,.96), rgba(24,77,73,.92));
      color: #fff7ef;
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }
    .cta::after {
      content: "";
      position: absolute;
      inset: auto -14% -48% auto;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(201,107,82,.22), transparent 64%);
      pointer-events: none;
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      position: relative;
      z-index: 1;
    }
    .cta h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.2;
    }
    .cta p {
      margin: 0;
      color: rgba(255,247,239,.84);
      max-width: 50em;
    }
    .cta .btn-primary {
      background: #fff7ef;
      color: var(--brand);
    }
    .cta .btn-primary:hover,
    .cta .btn-primary:focus-visible { background: #dce7e3; }

    .contact-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: start;
    }
    .contact-card {
      padding: 28px;
    }
    .contact-card h3 {
      margin: 0 0 10px;
      color: var(--brand);
      font-size: 24px;
    }
    .contact-card p {
      margin: 0 0 18px;
      color: var(--muted);
    }
    .contact-notes {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }
    .note {
      padding: 14px 16px;
      border-radius: 14px;
      background: rgba(109,141,131,.08);
      border: 1px solid rgba(22,60,58,.08);
      color: var(--text);
      font-size: 14px;
    }
    .form {
      padding: 28px;
    }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .field.full { grid-column: 1 / -1; }
    .field label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--brand);
      margin-bottom: 8px;
    }
    .field input,
    .field textarea,
    .field select {
      width: 100%;
      border: 1px solid rgba(109,141,131,.34);
      background: #fffdf8;
      color: var(--text);
      border-radius: 10px;
      padding: 13px 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }
    .field textarea { min-height: 140px; resize: vertical; }
    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(22,60,58,.1);
      background: #fff;
    }
    .form-actions {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: 18px;
      flex-wrap: wrap;
    }
    .form-tip {
      color: var(--muted);
      font-size: 13px;
    }
    .submit {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 18px;
      border-radius: 8px;
      background: var(--brand);
      color: #fff7ef;
      transition: all var(--ease);
      cursor: pointer;
    }
    .submit:hover,
    .submit:focus-visible {
      background: var(--brand-2);
      transform: translateY(-1px);
      outline: none;
    }

    .site-footer {
      margin-top: 88px;
      background: var(--brand);
      color: #f6eee0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr .8fr;
      gap: 26px;
      padding: 42px 0 30px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .footer-brand .brand-text strong,
    .footer-brand .brand-text span,
    .footer-links h3,
    .footer-contact h3 {
      color: #f6eee0;
    }
    .footer-brand p {
      margin: 0;
      color: rgba(246,238,224,.82);
      max-width: 32em;
    }
    .footer-links ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: rgba(246,238,224,.88);
      transition: color var(--ease), transform var(--ease);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      transform: translateX(2px);
      outline: none;
    }
    .footer-contact .box {
      padding: 16px;
      border-radius: 16px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      color: rgba(246,238,224,.86);
      min-height: 108px;
    }
    .copyright {
      padding: 14px 0 24px;
      color: rgba(246,238,224,.72);
      border-top: 1px solid rgba(255,255,255,.08);
      font-size: 13px;
    }
    .copyright a { color: #fff7ef; }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: rgba(255,247,239,.84);
      font-size: 13px;
      margin-top: 18px;
    }
    .breadcrumb a { color: rgba(255,247,239,.96); }
    .breadcrumb span { opacity: .74; }

    .section-subhead {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      color: var(--muted);
      margin-top: 12px;
    }
    .chip {
      display: inline-flex;
      align-items: center;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(109,141,131,.1);
      color: var(--brand);
      font-size: 13px;
      border: 1px solid rgba(109,141,131,.16);
    }

    .back-top {
      position: fixed;
      right: 18px;
      bottom: 18px;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--brand);
      color: #fff7ef;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(12px);
      pointer-events: none;
      transition: all var(--ease);
      z-index: 40;
    }
    .back-top.show {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    @media (max-width: 1080px) {
      .hero-grid,
      .intro-grid,
      .feature-grid,
      .news-grid,
      .contact-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-grid { min-height: auto; }
      .timeline-grid,
      .info-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-side { grid-template-columns: repeat(3, 1fr); }
      .news-lead { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .nav-wrap { gap: 12px; }
      .nav-toggle { display: inline-flex; }
      .nav {
        position: relative;
        margin-left: auto;
      }
      .nav-list {
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        flex-direction: column;
        align-items: stretch;
        width: min(320px, calc(100vw - 32px));
        padding: 12px;
        border-radius: 18px;
        background: rgba(255,253,248,.98);
        border: 1px solid rgba(109,141,131,.18);
        box-shadow: var(--shadow);
        display: none;
      }
      .nav-list.open { display: flex; }
      .nav-list a { border-radius: 14px; justify-content: space-between; }
      .nav-list a.active::after { display: none; }
      .nav-cta { display: none; }
      .hero-panel { border-radius: 22px; }
      .hero-grid { padding: 24px; gap: 22px; }
      .hero-side { grid-template-columns: 1fr; }
      .hero h1 { max-width: none; }
      .section { padding-top: 68px; }
      .section-head { grid-template-columns: 1fr; }
      .info-grid,
      .timeline-grid,
      .form-grid { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 1fr; }
      .faq-q { grid-template-columns: 36px 1fr auto; padding: 16px; }
      .faq-a { padding-left: 18px; }
      .cta-grid { grid-template-columns: 1fr; }
      .cta { padding: 24px; }
      .footer-grid { gap: 18px; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 20px, var(--container)); }
      .nav-wrap { min-height: 72px; }
      .brand-mark { width: 38px; height: 38px; border-radius: 11px; }
      .brand-text strong { font-size: 16px; }
      .brand-text span { font-size: 11px; }
      .hero { padding-top: 18px; }
      .hero-grid { padding: 18px; }
      .hero h1 { font-size: clamp(30px, 10vw, 38px); }
      .hero p { font-size: 15px; }
      .btn, .nav-toggle, .submit { min-height: 44px; }
      .panel-pad, .contact-card, .form, .news-copy, .subcard { padding: 20px; }
      .lead-item { grid-template-columns: 1fr; }
      .lead-item strong { width: 44px; height: 44px; }
      .faq-q { grid-template-columns: 32px 1fr auto; gap: 10px; }
      .faq-num { width: 32px; height: 32px; border-radius: 10px; }
      .faq-title { font-size: 16px; }
      .cta h2 { font-size: 24px; }
      .site-footer { margin-top: 72px; }
    }

/* roulang page: category1 */
:root{
  --ink:#163c3a;
  --ink-deep:#102e2c;
  --sage:#6d8d83;
  --sage-light:#dbe4de;
  --cream:#f3efe7;
  --paper:#fffdf8;
  --text:#202522;
  --muted:#66716b;
  --line:#d8ded7;
  --orange:#c96b52;
  --shadow:0 14px 34px rgba(26,48,42,.09);
  --shadow-soft:0 6px 18px rgba(26,48,42,.07);
  --radius:14px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--cream);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{
  height:82px;
  background:rgba(243,239,231,.96);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:20;
}
.nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:29px;height:29px;border:2px solid var(--ink);display:block;
  position:relative;transform:rotate(45deg);border-radius:5px;
}
.brand-mark:after{content:"";width:9px;height:9px;background:var(--orange);position:absolute;right:3px;bottom:3px;border-radius:2px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:19px;letter-spacing:.08em;color:var(--ink);font-weight:750}
.brand-text span{font-size:10px;color:var(--sage);letter-spacing:.08em;margin-top:4px}
.nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:28px;list-style:none}
.nav-list a{font-size:14px;color:#4c5953;position:relative;padding:8px 0}
.nav-list a:hover,.nav-list a.active{color:var(--ink);font-weight:650}
.nav-list a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange)}
.nav-cta,.button-primary{
  background:var(--ink);color:var(--paper);border:1px solid var(--ink);
  border-radius:7px;padding:11px 18px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;
  transition:all .25s ease;
}
.nav-cta:hover,.button-primary:hover{background:var(--sage);border-color:var(--sage);transform:translateY(-2px)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:6px;padding:5px 9px;font-size:20px}
.page-hero{
  min-height:448px;display:flex;align-items:center;position:relative;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,46,44,.94) 0%,rgba(16,46,44,.78) 48%,rgba(16,46,44,.28) 100%)}
.hero-inner{position:relative;color:var(--paper);padding:76px 0 64px}
.breadcrumb{display:flex;gap:11px;align-items:center;color:#c2d1ca;font-size:13px;margin-bottom:34px}
.breadcrumb span{color:#8ba59b}
.hero-kicker,.section-kicker{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#d7a28f;margin-bottom:14px;font-weight:700}
.page-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.18;letter-spacing:.02em;max-width:700px;margin-bottom:20px}
.hero-desc{max-width:650px;color:#e0e8e2;font-size:17px;line-height:1.9}
.hero-rule{width:76px;height:3px;background:var(--orange);margin-top:31px}
.section{padding:94px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-title{font-size:clamp(29px,3vw,40px);line-height:1.3;color:var(--ink);letter-spacing:.02em}
.section-intro{max-width:560px;color:var(--muted);font-size:15px}
.summary-band{background:var(--paper);border-bottom:1px solid var(--line);padding:28px 0}
.summary-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:22px;align-items:center}
.summary-copy{font-size:18px;font-weight:650;color:var(--ink)}
.summary-copy small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:3px}
.summary-item{border-left:1px solid var(--line);padding-left:24px}
.summary-item strong{display:block;color:var(--ink);font-size:22px}
.summary-item span{font-size:13px;color:var(--muted)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:52px;align-items:start}
.feature-entry{
  display:grid;grid-template-columns:43% 1fr;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:26px;
}
.feature-entry img{width:100%;height:100%;min-height:285px;object-fit:cover}
.entry-body{padding:32px 34px;display:flex;flex-direction:column;align-items:flex-start}
.badge{display:inline-flex;align-items:center;color:var(--ink);background:var(--sage-light);border-radius:4px;padding:4px 9px;font-size:12px;font-weight:700;margin-bottom:16px}
.entry-body h2{font-size:27px;line-height:1.42;color:var(--ink);margin-bottom:12px}
.entry-body p{color:var(--muted);font-size:15px;line-height:1.85}
.entry-meta{font-size:13px;color:var(--sage);margin:17px 0 23px}
.button-outline{
  display:inline-flex;align-items:center;gap:12px;border:1px solid var(--ink);color:var(--ink);
  padding:9px 15px;border-radius:7px;font-size:14px;background:transparent
}
.button-outline:after{content:"→";font-size:18px;line-height:1}
.button-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.archive-list{display:flex;flex-direction:column;gap:14px}
.archive-item{
  display:grid;grid-template-columns:62px 1fr auto;gap:21px;align-items:center;
  background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:22px 24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease
}
.archive-item:hover{transform:translateX(5px);border-color:var(--sage);box-shadow:var(--shadow-soft)}
.archive-no{font-size:25px;color:var(--orange);font-weight:700;border-right:1px solid var(--line)}
.archive-item h3{font-size:18px;color:var(--ink);line-height:1.45;margin-bottom:4px}
.archive-item p{font-size:14px;color:var(--muted);line-height:1.7}
.archive-date{font-size:12px;color:var(--sage);white-space:nowrap}
.side-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;position:sticky;top:25px}
.side-card h3{font-size:20px;color:var(--ink);padding-bottom:17px;border-bottom:2px solid var(--sage-light);margin-bottom:9px}
.side-list{list-style:none}
.side-list li{border-bottom:1px solid var(--line)}
.side-list a{display:flex;justify-content:space-between;align-items:center;padding:14px 0;color:#53605a;font-size:14px}
.side-list a:after{content:"↗";color:var(--orange)}
.side-list a:hover{color:var(--ink);padding-left:4px}
.side-note{margin-top:23px;padding:17px;background:var(--cream);font-size:13px;color:var(--muted);line-height:1.75;border-left:3px solid var(--orange)}
.filter-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;padding:18px 22px;border:1px solid var(--line);background:rgba(255,253,248,.6);border-radius:9px}
.filter-label{font-size:14px;color:var(--muted)}
.filter-tags{display:flex;gap:9px;flex-wrap:wrap}
.filter-tag{border:1px solid var(--line);border-radius:5px;padding:5px 12px;font-size:13px;color:var(--ink);background:var(--paper)}
.filter-tag.current{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a{min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;background:var(--paper);font-size:14px;color:var(--ink)}
.pagination a.current,.pagination a:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.faq-section{background:#e6ece6}
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid #bdcfc4}
.faq-item{border-bottom:1px solid #bdcfc4}
.faq-question{width:100%;display:flex;align-items:center;gap:18px;padding:21px 3px;background:transparent;border:0;text-align:left;color:var(--ink);font-weight:700;font-size:17px}
.faq-num{color:var(--orange);font-size:13px;letter-spacing:.08em}
.faq-icon{margin-left:auto;font-size:24px;font-weight:300;color:var(--sage);transition:transform .25s}
.faq-answer{display:none;padding:0 42px 22px 42px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.contact-section{padding:82px 0}
.contact-box{background:var(--ink);color:var(--paper);border-radius:16px;padding:47px 52px;display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}
.contact-box h2{font-size:34px;line-height:1.35;margin-bottom:16px}
.contact-box p{color:#cbd8d1;font-size:15px;line-height:1.85}
.contact-label{display:block;font-size:13px;color:#d9e6df;margin-bottom:6px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field.full{grid-column:1/-1}
.contact-form input,.contact-form textarea{width:100%;border:1px solid #719087;background:#214b48;color:var(--paper);border-radius:7px;padding:11px 13px;outline:none}
.contact-form input:focus,.contact-form textarea:focus{border-color:#d4a18e;box-shadow:0 0 0 3px rgba(201,107,82,.2)}
.contact-form textarea{min-height:105px;resize:vertical}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#a9c0b6}
.form-submit{grid-column:1/-1;justify-self:start;background:var(--orange);border:1px solid var(--orange);color:#fff;padding:11px 20px;border-radius:7px;font-weight:650}
.form-submit:hover{background:#db8065;border-color:#db8065;transform:translateY(-2px)}
.form-tip{grid-column:1/-1;color:#a9c0b6;font-size:12px;margin-top:-7px}
.site-footer{background:var(--ink-deep);color:#d7e1da;padding:61px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:70px;padding-bottom:48px}
.footer-brand .brand-text strong{color:var(--paper)}
.footer-brand .brand-mark{border-color:#c5d8ce}
.footer-brand p{max-width:370px;color:#9db2a7;font-size:14px;line-height:1.85;margin-top:22px}
.footer-grid h3{color:var(--paper);font-size:15px;margin-bottom:17px}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:8px}
.footer-links a{color:#9db2a7;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact .box{border:1px solid #355953;border-radius:8px;padding:17px;color:#9db2a7;font-size:13px;line-height:1.8}
.copyright{padding-top:20px;border-top:1px solid #31524d;color:#87a097;font-size:12px}
.copyright a{color:#b9cec4}
.copyright a:hover{color:#fff}
@media(max-width:1024px){
  .nav-wrap{gap:18px}.nav-list{gap:17px}.nav-cta{padding:9px 13px}
  .content-layout{gap:28px}.footer-grid{gap:35px}
}
@media(max-width:768px){
  .container{width:min(var(--container),calc(100% - 34px))}
  .site-header{height:72px}.nav-toggle{display:block}
  .nav{margin-left:auto;position:relative}.nav-list{
    display:none;position:absolute;right:0;top:43px;width:230px;background:var(--paper);
    border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;border-radius:8px
  }
  .nav-list.open{display:block}.nav-list li{border-bottom:1px solid var(--line)}.nav-list li:last-child{border:0}
  .nav-list a{display:block;padding:10px 8px}.nav-cta{display:none}
  .page-hero{min-height:410px}.hero-inner{padding:60px 0 52px}
  .summary-grid{grid-template-columns:1fr 1fr;gap:18px}.summary-copy{grid-column:1/-1}
  .summary-item{padding-left:15px}.section{padding:66px 0}.section-head{display:block}
  .section-intro{margin-top:13px}.content-layout{grid-template-columns:1fr}
  .side-card{position:static}.feature-entry{grid-template-columns:1fr}
  .feature-entry img{height:245px;min-height:0}.archive-item{grid-template-columns:45px 1fr}
  .archive-date{grid-column:2}.contact-box{grid-template-columns:1fr;gap:30px;padding:35px 27px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .brand-text strong{font-size:17px}.brand-text span{font-size:9px}
  .page-hero h1{font-size:37px}.hero-desc{font-size:15px}
  .summary-grid{grid-template-columns:1fr 1fr}.summary-item strong{font-size:19px}
  .section-title{font-size:29px}.filter-row{display:block}.filter-tags{margin-top:12px}
  .entry-body{padding:25px 22px}.entry-body h2{font-size:23px}
  .archive-item{padding:17px 14px;gap:13px}.archive-item h3{font-size:16px}
  .contact-form{grid-template-columns:1fr}.form-field.full,.form-submit,.form-tip{grid-column:1}
  .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
}