/* roulang page: index */
:root {
      --bg: #f6f3ee;
      --bg-soft: #ece6dc;
      --surface: #ffffff;
      --surface-2: #f2ede5;
      --surface-dark: #1f2320;
      --surface-dark-2: #2b312d;
      --text: #1d1f1c;
      --muted: #656c66;
      --line: #d8d1c6;
      --line-strong: #b8c0b6;
      --accent: #557566;
      --accent-2: #7f9084;
      --accent-soft: #dce5de;
      --sand: #c9b8a0;
      --shadow: 0 18px 40px rgba(32, 39, 34, .08);
      --shadow-soft: 0 10px 24px rgba(32, 39, 34, .06);
      --radius: 18px;
      --radius-sm: 12px;
      --radius-lg: 26px;
      --container: 1180px;
      --ease: 220ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
      background:
        radial-gradient(circle at top left, rgba(85, 117, 102, .10), transparent 34%),
        linear-gradient(180deg, #fbf9f5 0%, #f4f0e9 100%);
      color: var(--text);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, textarea, select { font: inherit; }
    ::selection { background: rgba(85, 117, 102, .22); color: var(--text); }
    :focus-visible { outline: 3px solid rgba(85, 117, 102, .34); outline-offset: 2px; }

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

    .skip-link {
      position: absolute;
      left: -999px;
      top: 12px;
      background: var(--surface);
      padding: 10px 14px;
      border-radius: 999px;
      box-shadow: var(--shadow-soft);
      z-index: 1000;
    }
    .skip-link:focus { left: 16px; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 120;
      backdrop-filter: blur(10px);
      background: rgba(250, 248, 242, .86);
      border-bottom: 1px solid rgba(216, 209, 198, .72);
    }
    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(145deg, var(--surface-dark), #394039);
      color: #f6f2eb;
      font-weight: 800;
      letter-spacing: .08em;
      box-shadow: 0 10px 22px rgba(31, 35, 32, .18);
      flex: 0 0 auto;
    }
    .brand-text {
      display: grid;
      gap: 2px;
      min-width: 0;
    }
    .brand-text strong {
      font-size: 1rem;
      line-height: 1.1;
      letter-spacing: .02em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-text span {
      font-size: .84rem;
      color: var(--muted);
    }

    .nav-wrap { display: flex; align-items: center; gap: 14px; }
    .nav-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: var(--surface);
      box-shadow: var(--shadow-soft);
      color: var(--text);
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }
    .nav-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
    .nav-toggle span {
      width: 18px;
      height: 2px;
      background: currentColor;
      position: relative;
      display: block;
      border-radius: 2px;
    }
    .nav-toggle span::before,
    .nav-toggle span::after {
      content: '';
      position: absolute;
      left: 0;
      width: 18px;
      height: 2px;
      background: currentColor;
      border-radius: 2px;
    }
    .nav-toggle span::before { top: -6px; }
    .nav-toggle span::after { top: 6px; }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .site-nav a {
      position: relative;
      padding: 10px 14px;
      color: var(--muted);
      border-radius: 999px;
      transition: color var(--ease), background var(--ease), transform var(--ease);
      font-weight: 600;
      white-space: nowrap;
    }
    .site-nav a::after {
      content: '';
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 7px;
      height: 2px;
      border-radius: 2px;
      background: transparent;
      transition: background var(--ease), transform var(--ease);
      transform: scaleX(.35);
      transform-origin: center;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible {
      color: var(--text);
      background: rgba(85, 117, 102, .08);
    }
    .site-nav a:hover::after,
    .site-nav a:focus-visible::after,
    .site-nav a.active::after {
      background: var(--accent);
      transform: scaleX(1);
    }
    .site-nav a.active {
      color: var(--text);
      background: rgba(85, 117, 102, .12);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 18px;
      border-radius: 999px;
      background: var(--surface-dark);
      color: #f5f2ec;
      border: 1px solid transparent;
      font-weight: 700;
      letter-spacing: .02em;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease);
      box-shadow: 0 14px 24px rgba(31, 35, 32, .14);
    }
    .header-cta:hover,
    .header-cta:focus-visible {
      transform: translateY(-1px);
      background: #2f3530;
      border-color: rgba(255,255,255,.12);
    }

    .hero {
      position: relative;
      padding: 30px 0 20px;
    }
    .hero-card {
      overflow: hidden;
      border: 1px solid rgba(216, 209, 198, .72);
      border-radius: 30px;
      background:
        linear-gradient(90deg, rgba(31,35,32,.88) 0%, rgba(31,35,32,.72) 46%, rgba(31,35,32,.36) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: #f8f4ee;
      box-shadow: 0 24px 60px rgba(31,35,32,.16);
    }
    .hero-inner {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 28px;
      align-items: center;
      padding: 44px;
      min-height: 560px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.14);
      color: #ece7de;
      font-size: .9rem;
      letter-spacing: .04em;
      width: fit-content;
    }
    .eyebrow::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: #8ca091;
      box-shadow: 0 0 0 6px rgba(140, 160, 145, .14);
    }
    .hero h1 {
      margin: 18px 0 16px;
      font-size: clamp(2.4rem, 4.8vw, 4.7rem);
      line-height: 1.05;
      letter-spacing: -.03em;
      max-width: 10ch;
    }
    .hero p {
      margin: 0;
      max-width: 44rem;
      font-size: 1.08rem;
      color: rgba(248, 244, 238, .88);
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      letter-spacing: .01em;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease);
      cursor: pointer;
    }
    .btn-primary {
      background: var(--accent);
      color: #f8f5ef;
      box-shadow: 0 16px 24px rgba(85, 117, 102, .22);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: #476455;
      transform: translateY(-1px);
    }
    .btn-secondary {
      background: rgba(255,255,255,.06);
      color: #f8f4ee;
      border-color: rgba(255,255,255,.18);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(255,255,255,.12);
      transform: translateY(-1px);
    }
    .hero-points {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .mini-chip {
      padding: 9px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      color: rgba(248,244,238,.9);
      font-size: .94rem;
    }

    .hero-media {
      position: relative;
      min-height: 470px;
      display: grid;
      align-content: end;
      gap: 16px;
    }
    .hero-frame {
      position: relative;
      overflow: hidden;
      border-radius: 24px;
      min-height: 420px;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 24px 48px rgba(0,0,0,.18);
      background: rgba(255,255,255,.04);
    }
    .hero-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.92) contrast(1.02);
    }
    .hero-frame::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(18,22,19,.08), rgba(18,22,19,.56));
      pointer-events: none;
    }
    .hero-notes {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .note {
      padding: 14px 15px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      backdrop-filter: blur(2px);
    }
    .note strong {
      display: block;
      font-size: 1.02rem;
      color: #fff;
      margin-bottom: 4px;
    }
    .note span {
      font-size: .92rem;
      color: rgba(248,244,238,.78);
    }

    .brand-band {
      margin-top: -24px;
      position: relative;
      z-index: 1;
    }
    .band {
      display: grid;
      grid-template-columns: 1.25fr repeat(4, 1fr);
      gap: 10px;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(216, 209, 198, .8);
      box-shadow: var(--shadow);
    }
    .band-item {
      min-height: 74px;
      padding: 16px 18px;
      border-radius: 18px;
      background: linear-gradient(180deg, #fff, #f8f6f1);
      border: 1px solid rgba(216, 209, 198, .68);
      display: grid;
      align-content: center;
      gap: 2px;
    }
    .band-item strong {
      font-size: 1.02rem;
      color: var(--text);
    }
    .band-item span {
      font-size: .92rem;
      color: var(--muted);
    }
    .band-label {
      background: linear-gradient(145deg, rgba(31,35,32,.96), rgba(63,70,64,.96));
      color: #f8f4ee;
      border-color: rgba(255,255,255,.04);
    }
    .band-label strong,
    .band-label span { color: #f8f4ee; }

    .section {
      padding: 72px 0;
      scroll-margin-top: 92px;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 28px;
    }
    .section-head h2 {
      margin: 0;
      font-size: clamp(1.7rem, 2.5vw, 2.5rem);
      line-height: 1.15;
      letter-spacing: -.02em;
    }
    .section-head p {
      margin: 0;
      max-width: 42rem;
      color: var(--muted);
    }
    .section-link {
      color: var(--accent);
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap var(--ease), color var(--ease);
    }
    .section-link:hover { gap: 10px; color: #436253; }

    .grid-feature {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      align-items: stretch;
    }
    .feature-main,
    .feature-side {
      display: grid;
      gap: 18px;
    }
    .card {
      background: var(--surface);
      border: 1px solid rgba(216, 209, 198, .86);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .card:hover {
      transform: translateY(-3px);
      border-color: rgba(85, 117, 102, .34);
      box-shadow: var(--shadow);
    }
    .card-media {
      position: relative;
      overflow: hidden;
      min-height: 240px;
      background: var(--surface-2);
    }
    .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 420ms ease;
    }
    .card:hover .card-media img { transform: scale(1.03); }
    .card-media::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 35%, rgba(31,35,32,.56) 100%);
    }
    .card-body { padding: 22px; }
    .card-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 14px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(85, 117, 102, .10);
      border: 1px solid rgba(85, 117, 102, .16);
      color: var(--accent);
      font-size: .88rem;
      font-weight: 700;
      line-height: 1;
    }
    .tag-dark {
      background: rgba(31,35,32,.06);
      border-color: rgba(31,35,32,.12);
      color: var(--surface-dark);
    }
    .card h3 {
      margin: 0 0 10px;
      font-size: 1.38rem;
      line-height: 1.22;
    }
    .card p {
      margin: 0;
      color: var(--muted);
    }
    .card-actions {
      margin-top: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .text-link {
      color: var(--accent);
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: gap var(--ease), color var(--ease);
    }
    .text-link:hover { gap: 12px; color: #3f5c4d; }
    .text-link::after { content: '→'; }

    .stack-card {
      padding: 22px;
      display: grid;
      gap: 16px;
    }
    .stack-card .stack-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: start;
    }
    .stack-card .num {
      font-size: 2.2rem;
      line-height: 1;
      font-weight: 800;
      color: rgba(85, 117, 102, .22);
    }
    .stack-card .stack-top h3 { margin: 0; font-size: 1.16rem; }
    .stack-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .stack-list li {
      display: grid;
      grid-template-columns: 24px 1fr;
      gap: 12px;
      padding: 12px 0;
      border-top: 1px solid rgba(216, 209, 198, .8);
    }
    .stack-list li:first-child { border-top: 0; padding-top: 0; }
    .stack-index {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: rgba(85, 117, 102, .12);
      color: var(--accent);
      font-weight: 800;
      font-size: .82rem;
    }
    .stack-list strong {
      display: block;
      margin-bottom: 4px;
      color: var(--text);
    }
    .stack-list span {
      color: var(--muted);
      font-size: .96rem;
    }

    .split {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: center;
    }
    .split-visual {
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      min-height: 500px;
      box-shadow: var(--shadow);
      border: 1px solid rgba(216, 209, 198, .76);
    }
    .split-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .split-visual .overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(20,23,21,.04) 15%, rgba(20,23,21,.46) 100%);
    }
    .split-panel {
      display: grid;
      gap: 18px;
    }
    .panel-block {
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid rgba(216, 209, 198, .84);
      background: rgba(255,255,255,.84);
      box-shadow: var(--shadow-soft);
    }
    .panel-block h3 {
      margin: 0 0 10px;
      font-size: 1.2rem;
    }
    .panel-block p { margin: 0; color: var(--muted); }
    .panel-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .panel-tile {
      padding: 18px;
      border-radius: 18px;
      background: linear-gradient(180deg, #fff, #f8f5ef);
      border: 1px solid rgba(216, 209, 198, .8);
    }
    .panel-tile strong { display: block; margin-bottom: 6px; font-size: 1.02rem; }
    .panel-tile span { color: var(--muted); font-size: .95rem; }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }
    .step {
      position: relative;
      padding: 22px 18px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid rgba(216, 209, 198, .82);
      box-shadow: var(--shadow-soft);
      min-height: 180px;
    }
    .step::after {
      content: '';
      position: absolute;
      top: 20px;
      right: 18px;
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background: rgba(85, 117, 102, .10);
      border: 1px solid rgba(85, 117, 102, .18);
    }
    .step-number {
      font-size: .95rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 14px;
    }
    .step h3 {
      margin: 0 0 10px;
      font-size: 1.08rem;
    }
    .step p { margin: 0; color: var(--muted); }

    .index-area {
      background: linear-gradient(180deg, #202521 0%, #262b27 100%);
      color: #f5f0e8;
      border-top: 1px solid rgba(255,255,255,.05);
      border-bottom: 1px solid rgba(255,255,255,.05);
    }
    .index-area .section-head p { color: rgba(245,240,232,.76); }
    .index-list {
      display: grid;
      gap: 12px;
    }
    .index-row {
      display: grid;
      grid-template-columns: 170px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px 0;
      border-top: 1px solid rgba(255,255,255,.10);
      transition: transform var(--ease), color var(--ease);
    }
    .index-row:first-child { border-top: 0; }
    .index-row:hover { transform: translateX(4px); }
    .index-row .label {
      display: inline-flex;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      color: #dfe7df;
      border: 1px solid rgba(255,255,255,.12);
      font-size: .9rem;
      font-weight: 700;
    }
    .index-row h3 {
      margin: 0 0 4px;
      font-size: 1.14rem;
    }
    .index-row p { margin: 0; color: rgba(245,240,232,.72); }
    .index-row time {
      color: rgba(245,240,232,.56);
      font-size: .9rem;
      white-space: nowrap;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: start;
    }
    .faq-aside {
      position: sticky;
      top: 110px;
      display: grid;
      gap: 16px;
    }
    .faq-aside .badge-note {
      display: inline-flex;
      width: fit-content;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(85, 117, 102, .10);
      color: var(--accent);
      border: 1px solid rgba(85, 117, 102, .16);
      font-weight: 700;
    }
    .faq-aside h2 { margin: 0; font-size: clamp(1.6rem, 2.4vw, 2.35rem); line-height: 1.15; }
    .faq-aside p { margin: 0; color: var(--muted); }
    .faq-list {
      display: grid;
      gap: 12px;
    }
    .faq-item {
      background: var(--surface);
      border: 1px solid rgba(216, 209, 198, .84);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      background: transparent;
      border: 0;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      cursor: pointer;
      color: var(--text);
      font-weight: 700;
    }
    .faq-question span:first-child { flex: 1; }
    .faq-icon {
      width: 32px;
      height: 32px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: rgba(85, 117, 102, .10);
      color: var(--accent);
      flex: 0 0 auto;
      transition: transform var(--ease), background var(--ease);
    }
    .faq-question[aria-expanded='true'] .faq-icon { transform: rotate(45deg); background: rgba(85, 117, 102, .18); }
    .faq-answer {
      padding: 0 20px 18px;
      color: var(--muted);
    }
    .faq-answer[hidden] { display: none; }

    .contact {
      padding-top: 0;
    }
    .contact-card {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 0;
      overflow: hidden;
      border-radius: 28px;
      border: 1px solid rgba(216, 209, 198, .84);
      background: var(--surface);
      box-shadow: var(--shadow);
    }
    .contact-info {
      padding: 30px;
      background: linear-gradient(180deg, #232824 0%, #1f2320 100%);
      color: #f5f0e8;
    }
    .contact-info h2 {
      margin: 0 0 12px;
      font-size: clamp(1.7rem, 2.5vw, 2.3rem);
      line-height: 1.15;
    }
    .contact-info p { margin: 0; color: rgba(245,240,232,.78); }
    .contact-points {
      margin-top: 24px;
      display: grid;
      gap: 12px;
    }
    .contact-point {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.10);
    }
    .contact-point strong { display: block; margin-bottom: 4px; color: #fff; }
    .contact-point span { color: rgba(245,240,232,.76); }
    .contact-form {
      padding: 30px;
      background: linear-gradient(180deg, #fff, #fbf8f1);
    }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
    .field { display: grid; gap: 8px; }
    .field.full { grid-column: 1 / -1; }
    .field label {
      font-weight: 700;
      color: var(--text);
      font-size: .95rem;
    }
    .field input,
    .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      color: var(--text);
      padding: 14px 16px;
      transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
    }
    .field input:focus,
    .field textarea:focus {
      border-color: rgba(85, 117, 102, .5);
      box-shadow: 0 0 0 4px rgba(85, 117, 102, .10);
      outline: none;
    }
    .field textarea { min-height: 140px; resize: vertical; }
    .helper {
      font-size: .9rem;
      color: var(--muted);
    }
    .form-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 4px;
    }
    .submit-status {
      min-height: 1.5em;
      color: var(--accent);
      font-weight: 700;
    }

    .site-footer {
      padding: 40px 0 28px;
      color: #e9e3d8;
      background: #1d211f;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-inner {
      display: grid;
      gap: 24px;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: start;
    }
    .footer-brand {
      display: grid;
      gap: 10px;
    }
    .footer-brand strong {
      font-size: 1.15rem;
      color: #fff;
    }
    .footer-brand p {
      margin: 0;
      color: rgba(233,227,216,.78);
      max-width: 42rem;
    }
    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }
    .footer-links a {
      padding: 10px 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      color: #f4efe6;
      transition: transform var(--ease), background var(--ease), border-color var(--ease);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      transform: translateY(-1px);
      background: rgba(85, 117, 102, .16);
      border-color: rgba(133, 154, 141, .32);
    }
    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: space-between;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.10);
      color: rgba(233,227,216,.68);
      font-size: .92rem;
    }

    .reveal {
      opacity: 0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 1120px) {
      .hero-inner,
      .split,
      .faq-wrap,
      .contact-card,
      .footer-top,
      .grid-feature {
        grid-template-columns: 1fr;
      }
      .hero-inner { min-height: unset; }
      .hero-media { min-height: unset; }
      .hero-notes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .band-item:first-child { grid-column: 1 / -1; }
      .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .index-row { grid-template-columns: 130px 1fr; }
      .index-row time { grid-column: 2 / -1; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 860px) {
      .nav-toggle { display: inline-flex; }
      .site-nav {
        position: absolute;
        right: 16px;
        top: 78px;
        width: min(360px, calc(100vw - 32px));
        padding: 10px;
        border-radius: 20px;
        background: rgba(255,255,255,.98);
        border: 1px solid rgba(216, 209, 198, .92);
        box-shadow: var(--shadow);
        display: grid;
        gap: 6px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
      }
      .site-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }
      .site-nav a { padding: 12px 14px; }
      .header-cta { display: none; }
      .hero { padding-top: 18px; }
      .hero-inner { padding: 26px; }
      .hero h1 { max-width: 12ch; }
      .hero-notes { grid-template-columns: 1fr; }
      .panel-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 640px) {
      .container { width: min(var(--container), calc(100% - 24px)); }
      .header-inner { min-height: 72px; }
      .brand-text span { display: none; }
      .hero-card { border-radius: 24px; }
      .hero-inner { padding: 22px; gap: 20px; }
      .hero h1 { font-size: clamp(2rem, 10vw, 3rem); }
      .hero p { font-size: 1rem; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .band { grid-template-columns: 1fr; padding: 12px; }
      .band-item:first-child { grid-column: auto; }
      .section { padding: 56px 0; }
      .section-head { flex-direction: column; align-items: start; }
      .card-body, .stack-card, .panel-block, .contact-info, .contact-form { padding: 18px; }
      .card h3 { font-size: 1.22rem; }
      .steps { grid-template-columns: 1fr; }
      .index-row { grid-template-columns: 1fr; }
      .index-row time { grid-column: auto; }
      .faq-question { padding: 16px; }
      .faq-answer { padding: 0 16px 16px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; }
    }

/* roulang page: category1 */
:root{
      --bg: #f4f0e9;
      --bg-soft: #eee8df;
      --surface: #ffffff;
      --surface-2: #f8f5ef;
      --surface-3: #e8e2d7;
      --text: #202724;
      --muted: #66726b;
      --muted-2: #8a948d;
      --brand: #577266;
      --brand-dark: #232b27;
      --brand-soft: #dce5de;
      --accent: #b8a88d;
      --line: #d9d2c6;
      --line-strong: #c7bdb0;
      --shadow: 0 18px 48px rgba(21, 28, 24, .08);
      --shadow-soft: 0 10px 28px rgba(21, 28, 24, .06);
      --radius: 18px;
      --radius-sm: 12px;
      --radius-xs: 10px;
      --container: 1180px;
      --gap: 24px;
      --gap-sm: 16px;
      --ease: 180ms cubic-bezier(.2,.8,.2,1);
    }

    *{
      box-sizing: border-box;
    }

    html{
      scroll-behavior: smooth;
    }

    body{
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(1200px 600px at 100% -10%, rgba(87, 114, 102, .08), transparent 60%),
        radial-gradient(900px 500px at 10% 10%, rgba(184, 168, 141, .10), transparent 45%),
        linear-gradient(180deg, #f8f5ef 0%, var(--bg) 100%);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    button{
      cursor: pointer;
    }

    ::selection{
      background: rgba(87, 114, 102, .18);
      color: var(--text);
    }

    :focus-visible{
      outline: 3px solid rgba(87, 114, 102, .28);
      outline-offset: 2px;
    }

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

    .site-header{
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(244, 240, 233, .92);
      border-bottom: 1px solid rgba(215, 207, 196, .8);
      backdrop-filter: blur(10px);
    }

    .header-inner{
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand{
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      padding: 8px 0;
    }

    .brand-mark{
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, var(--brand-dark), #34413b);
      color: #f6f3ed;
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .08em;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
      flex: 0 0 auto;
    }

    .brand-text{
      display: grid;
      gap: 2px;
      min-width: 0;
    }

    .brand-text strong{
      font-size: 16px;
      line-height: 1.15;
      letter-spacing: .02em;
      white-space: nowrap;
    }

    .brand-text span{
      font-size: 12px;
      color: var(--muted);
      white-space: nowrap;
    }

    .nav-wrap{
      display: flex;
      align-items: center;
      gap: 14px;
      position: relative;
    }

    .site-nav{
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .site-nav a{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid transparent;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
      white-space: nowrap;
    }

    .site-nav a:hover,
    .site-nav a:focus-visible{
      color: var(--text);
      background: rgba(87, 114, 102, .07);
      border-color: rgba(87, 114, 102, .12);
      transform: translateY(-1px);
    }

    .site-nav a.active,
    .site-nav a[aria-current="page"]{
      color: var(--brand-dark);
      background: rgba(87, 114, 102, .12);
      border-color: rgba(87, 114, 102, .18);
      box-shadow: inset 0 -2px 0 rgba(87, 114, 102, .32);
    }

    .header-cta,
    .btn{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid var(--brand-dark);
      background: var(--brand-dark);
      color: #fff;
      font-weight: 700;
      letter-spacing: .01em;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
      box-shadow: 0 10px 20px rgba(35, 43, 39, .12);
    }

    .header-cta:hover,
    .header-cta:focus-visible,
    .btn:hover,
    .btn:focus-visible{
      background: #31403a;
      border-color: #31403a;
      transform: translateY(-1px);
      box-shadow: 0 12px 24px rgba(35, 43, 39, .16);
    }

    .btn.secondary{
      background: transparent;
      color: var(--brand-dark);
      border-color: rgba(35, 43, 39, .18);
      box-shadow: none;
    }

    .btn.secondary:hover,
    .btn.secondary:focus-visible{
      background: rgba(87, 114, 102, .08);
      border-color: rgba(87, 114, 102, .26);
    }

    .nav-toggle{
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid rgba(35, 43, 39, .14);
      background: rgba(255,255,255,.46);
      border-radius: 14px;
      padding: 0;
      align-items: center;
      justify-content: center;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
    }

    .nav-toggle span{
      position: relative;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--brand-dark);
      display: block;
      transition: transform var(--ease), background var(--ease);
    }

    .nav-toggle span::before,
    .nav-toggle span::after{
      content: "";
      position: absolute;
      left: 0;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--brand-dark);
      transition: transform var(--ease), top var(--ease), bottom var(--ease), opacity var(--ease);
    }

    .nav-toggle span::before{
      top: -6px;
    }

    .nav-toggle span::after{
      bottom: -6px;
    }

    .nav-open .nav-toggle span{
      background: transparent;
    }

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

    .nav-open .nav-toggle span::after{
      bottom: auto;
      top: 0;
      transform: rotate(-45deg);
    }

    main{
      padding-bottom: 30px;
    }

    .hero{
      padding: 28px 0 18px;
    }

    .hero-grid{
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 26px;
      align-items: stretch;
    }

    .hero-copy{
      padding: 20px 0 10px;
    }

    .eyebrow{
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 34px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(87, 114, 102, .10);
      border: 1px solid rgba(87, 114, 102, .16);
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .03em;
    }

    .hero h1,
    .section-title h2{
      margin: 16px 0 0;
      color: var(--brand-dark);
      line-height: 1.12;
      letter-spacing: -.02em;
    }

    .hero h1{
      font-size: clamp(34px, 5vw, 60px);
      max-width: 10ch;
    }

    .hero p{
      margin: 18px 0 0;
      max-width: 42rem;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-actions{
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
      align-items: center;
    }

    .hero-actions .text-link{
      color: var(--brand-dark);
      font-weight: 700;
      padding: 10px 2px;
      position: relative;
    }

    .hero-actions .text-link::after{
      content: "";
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 100%;
      height: 1px;
      background: rgba(35, 43, 39, .22);
      transform-origin: left;
      transform: scaleX(.6);
      transition: transform var(--ease), background var(--ease);
    }

    .hero-actions .text-link:hover::after,
    .hero-actions .text-link:focus-visible::after{
      transform: scaleX(1);
      background: rgba(87, 114, 102, .45);
    }

    .hero-tags{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .chip{
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(35, 43, 39, .10);
      background: rgba(255,255,255,.7);
      color: var(--muted);
      font-size: 13px;
      font-weight: 600;
      box-shadow: 0 6px 16px rgba(20, 26, 23, .03);
    }

    .hero-visual{
      position: relative;
      min-height: 460px;
      overflow: hidden;
      border-radius: 28px;
      background:
        linear-gradient(180deg, rgba(27, 34, 31, .08), rgba(27, 34, 31, .42)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border: 1px solid rgba(35, 43, 39, .08);
      box-shadow: var(--shadow);
    }

    .hero-visual::after{
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.02) 50%, rgba(35,43,39,.22) 100%);
      pointer-events: none;
    }

    .hero-visual-content{
      position: absolute;
      inset: auto 18px 18px 18px;
      z-index: 1;
      display: grid;
      gap: 12px;
    }

    .floating-note{
      width: min(100%, 340px);
      margin-left: auto;
      background: rgba(248, 245, 239, .94);
      border: 1px solid rgba(255,255,255,.52);
      border-radius: 20px;
      padding: 16px 16px 14px;
      box-shadow: 0 18px 30px rgba(21, 28, 24, .18);
      backdrop-filter: blur(10px);
    }

    .floating-note strong{
      display: block;
      font-size: 16px;
      color: var(--brand-dark);
      margin-bottom: 8px;
    }

    .floating-note ul{
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .floating-note li{
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .floating-note li::before{
      content: "";
      width: 8px;
      height: 8px;
      margin-top: .55em;
      border-radius: 50%;
      background: var(--brand);
      flex: 0 0 auto;
    }

    .brand-band{
      padding: 12px 0 4px;
    }

    .brand-strip{
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px 18px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(35, 43, 39, .08);
      border-radius: 20px;
      box-shadow: var(--shadow-soft);
    }

    .brand-strip p{
      margin: 0;
      color: var(--muted);
    }

    .band-tags{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .band-tags .chip{
      background: #fbfaf7;
    }

    .section{
      padding: 26px 0;
    }

    .section-surface{
      background: rgba(255,255,255,.54);
      border-top: 1px solid rgba(35, 43, 39, .06);
      border-bottom: 1px solid rgba(35, 43, 39, .06);
    }

    .section-title{
      display: grid;
      gap: 10px;
      margin-bottom: 18px;
    }

    .section-title .eyebrow{
      width: fit-content;
    }

    .section-title h2{
      font-size: clamp(24px, 3vw, 36px);
    }

    .section-title p{
      margin: 0;
      max-width: 44rem;
      color: var(--muted);
      line-height: 1.85;
    }

    .feature-grid{
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 20px;
      align-items: stretch;
    }

    .feature-main,
    .feature-stack{
      display: grid;
      gap: 20px;
    }

    .feature-card{
      background: var(--surface);
      border: 1px solid rgba(35, 43, 39, .08);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .feature-card:hover{
      transform: translateY(-2px);
      border-color: rgba(87, 114, 102, .24);
      box-shadow: 0 18px 42px rgba(21, 28, 24, .10);
    }

    .feature-card .media{
      position: relative;
      overflow: hidden;
      background: var(--surface-2);
    }

    .feature-card .media::after{
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(35,43,39,.14) 100%);
      pointer-events: none;
    }

    .feature-card .media img{
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 16 / 10;
    }

    .feature-main .media img{
      aspect-ratio: 16 / 9;
    }

    .feature-card .content{
      padding: 20px;
      display: grid;
      gap: 12px;
    }

    .feature-card h3{
      margin: 0;
      font-size: 22px;
      line-height: 1.28;
      color: var(--brand-dark);
      letter-spacing: -.01em;
    }

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

    .meta-row{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .meta-row .chip{
      background: rgba(87, 114, 102, .06);
    }

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

    .bullet-list li{
      display: flex;
      gap: 10px;
      color: var(--text);
      align-items: flex-start;
    }

    .bullet-list li::before{
      content: "";
      width: 9px;
      height: 9px;
      margin-top: .58em;
      border-radius: 50%;
      background: var(--brand);
      flex: 0 0 auto;
    }

    .card-link{
      display: inline-flex;
      align-items: center;
      width: fit-content;
      gap: 8px;
      color: var(--brand-dark);
      font-weight: 700;
      transition: color var(--ease), gap var(--ease);
    }

    .card-link::after{
      content: "→";
      transition: transform var(--ease);
    }

    .card-link:hover,
    .card-link:focus-visible{
      color: var(--brand);
    }

    .card-link:hover::after,
    .card-link:focus-visible::after{
      transform: translateX(2px);
    }

    .mini-card{
      display: grid;
      grid-template-columns: 112px 1fr;
      gap: 0;
    }

    .mini-card .media img{
      aspect-ratio: 1 / 1;
      height: 100%;
    }

    .mini-card .content{
      padding: 18px;
    }

    .mini-card h3{
      font-size: 19px;
    }

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

    .step{
      position: relative;
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(35, 43, 39, .08);
      border-radius: 20px;
      padding: 18px;
      box-shadow: 0 10px 24px rgba(21, 28, 24, .04);
      min-height: 210px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(87, 114, 102, .24);
      box-shadow: 0 16px 30px rgba(21, 28, 24, .08);
    }

    .step-number{
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(87, 114, 102, .12);
      color: var(--brand-dark);
      font-weight: 800;
      margin-bottom: 16px;
    }

    .step h3{
      margin: 0 0 10px;
      font-size: 18px;
      line-height: 1.3;
      color: var(--brand-dark);
    }

    .step p{
      margin: 0;
      color: var(--muted);
      line-height: 1.82;
    }

    .step::after{
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(87, 114, 102, .45), rgba(184, 168, 141, .22));
      opacity: .55;
    }

    .overview-grid{
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 20px;
      align-items: center;
    }

    .overview-image{
      position: relative;
      min-height: 380px;
      border-radius: 26px;
      overflow: hidden;
      background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border: 1px solid rgba(35, 43, 39, .08);
      box-shadow: var(--shadow-soft);
    }

    .overview-image::after{
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(35,43,39,.08), rgba(35,43,39,.44));
    }

    .overview-card{
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      z-index: 1;
      background: rgba(248, 245, 239, .94);
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.45);
      padding: 18px;
      box-shadow: 0 14px 26px rgba(21, 28, 24, .18);
    }

    .overview-card strong{
      display: block;
      color: var(--brand-dark);
      margin-bottom: 8px;
      font-size: 17px;
    }

    .overview-card p{
      margin: 0;
      color: var(--muted);
    }

    .overview-panel{
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(35, 43, 39, .08);
      border-radius: 26px;
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }

    .overview-panel h3{
      margin: 0 0 12px;
      font-size: 24px;
      color: var(--brand-dark);
    }

    .overview-panel p{
      margin: 0;
      color: var(--muted);
      line-height: 1.88;
    }

    .checklist{
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .checklist li{
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text);
    }

    .checklist li::before{
      content: "✓";
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(87, 114, 102, .10);
      color: var(--brand);
      font-weight: 800;
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .tag-group{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .tag-group a{
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(87, 114, 102, .08);
      border: 1px solid rgba(87, 114, 102, .14);
      color: var(--brand-dark);
      font-weight: 700;
      transition: background var(--ease), border-color var(--ease), transform var(--ease);
    }

    .tag-group a:hover,
    .tag-group a:focus-visible{
      background: rgba(87, 114, 102, .14);
      border-color: rgba(87, 114, 102, .24);
      transform: translateY(-1px);
    }

    .faq-layout{
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 20px;
      align-items: start;
    }

    .faq-intro{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(35, 43, 39, .08);
      border-radius: 24px;
      padding: 24px;
      box-shadow: var(--shadow-soft);
      position: sticky;
      top: 102px;
    }

    .faq-intro h2{
      margin: 0 0 12px;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.15;
      color: var(--brand-dark);
    }

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

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

    .faq-item{
      background: rgba(255,255,255,.90);
      border: 1px solid rgba(35, 43, 39, .08);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 8px 24px rgba(21, 28, 24, .04);
      transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    .faq-item[open]{
      border-color: rgba(87, 114, 102, .22);
      box-shadow: 0 14px 30px rgba(21, 28, 24, .08);
    }

    .faq-item summary{
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 700;
      color: var(--brand-dark);
    }

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

    .faq-item summary::after{
      content: "+";
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      border: 1px solid rgba(35, 43, 39, .12);
      color: var(--brand-dark);
      background: rgba(87, 114, 102, .06);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-item[open] summary::after{
      content: "−";
      background: rgba(87, 114, 102, .12);
    }

    .faq-answer{
      padding: 0 20px 18px;
      color: var(--muted);
      line-height: 1.9;
    }

    .contact{
      padding-bottom: 12px;
    }

    .contact-shell{
      background: linear-gradient(180deg, #2a322e 0%, #222926 100%);
      border-radius: 28px;
      padding: 24px;
      color: #eef1ed;
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid rgba(255,255,255,.06);
    }

    .contact-grid{
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: stretch;
    }

    .contact-copy{
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-radius: 22px;
      padding: 24px;
      position: relative;
      min-height: 100%;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
    }

    .contact-copy::after{
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(35,43,39,.18), rgba(35,43,39,.64));
    }

    .contact-copy > *{
      position: relative;
      z-index: 1;
    }

    .contact-copy .eyebrow{
      background: rgba(255,255,255,.12);
      border-color: rgba(255,255,255,.16);
      color: #f5f2eb;
    }

    .contact-copy h2{
      margin: 14px 0 0;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.15;
      color: #fff;
      max-width: 8ch;
    }

    .contact-copy p{
      margin: 14px 0 0;
      color: rgba(238,241,237,.82);
      line-height: 1.9;
      max-width: 32rem;
    }

    .contact-points{
      margin: 18px 0 0;
      display: grid;
      gap: 12px;
    }

    .contact-point{
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 18px;
      padding: 14px 15px;
    }

    .contact-point strong{
      display: block;
      margin-bottom: 4px;
      color: #fff;
    }

    .contact-point span{
      color: rgba(238,241,237,.74);
      font-size: 14px;
    }

    .contact-form{
      background: rgba(250,248,243,.98);
      border-radius: 22px;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.08);
      color: var(--text);
      box-shadow: 0 18px 38px rgba(21, 28, 24, .16);
    }

    .form-grid{
      display: grid;
      gap: 14px;
    }

    .field{
      display: grid;
      gap: 8px;
    }

    .field label{
      font-size: 14px;
      font-weight: 700;
      color: var(--brand-dark);
    }

    .field input,
    .field textarea{
      width: 100%;
      border: 1px solid rgba(35, 43, 39, .12);
      background: #fff;
      border-radius: 14px;
      padding: 13px 14px;
      color: var(--text);
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field textarea{
      min-height: 132px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder{
      color: #9aa39c;
    }

    .field input:hover,
    .field textarea:hover{
      border-color: rgba(87, 114, 102, .28);
    }

    .field input:focus,
    .field textarea:focus{
      outline: none;
      border-color: rgba(87, 114, 102, .42);
      box-shadow: 0 0 0 4px rgba(87, 114, 102, .10);
    }

    .form-actions{
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 4px;
    }

    .form-note{
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .site-footer{
      background: #1f2522;
      color: #e9eee8;
      margin-top: 26px;
      border-top: 1px solid rgba(255,255,255,.06);
    }

    .footer-inner{
      padding: 28px 0 18px;
    }

    .footer-top{
      display: grid;
      grid-template-columns: 1.2fr auto;
      gap: 20px;
      align-items: start;
      padding-bottom: 18px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .footer-brand strong{
      display: block;
      font-size: 18px;
      margin-bottom: 8px;
      letter-spacing: .01em;
    }

    .footer-brand p{
      margin: 0;
      color: rgba(233,238,232,.72);
      max-width: 42rem;
      line-height: 1.85;
    }

    .footer-links{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
      align-content: flex-start;
    }

    .footer-links a{
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.08);
      color: rgba(233,238,232,.9);
      transition: background var(--ease), border-color var(--ease), transform var(--ease);
    }

    .footer-links a:hover,
    .footer-links a:focus-visible{
      background: rgba(87, 114, 102, .16);
      border-color: rgba(87, 114, 102, .26);
      transform: translateY(-1px);
    }

    .footer-bottom{
      padding-top: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      justify-content: space-between;
      color: rgba(233,238,232,.64);
      font-size: 14px;
    }

    .divider{
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(87,114,102,.22), transparent);
      margin: 0;
      border: 0;
    }

    @media (max-width: 1024px){
      .hero-grid,
      .feature-grid,
      .overview-grid,
      .faq-layout,
      .contact-grid{
        grid-template-columns: 1fr;
      }

      .faq-intro{
        position: static;
      }

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

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

      .footer-links{
        justify-content: flex-start;
      }
    }

    @media (max-width: 768px){
      .header-inner{
        min-height: 68px;
      }

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

      .nav-wrap{
        margin-left: auto;
      }

      .site-nav{
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        left: auto;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        min-width: 220px;
        padding: 10px;
        border-radius: 18px;
        background: rgba(250, 247, 241, .98);
        border: 1px solid rgba(35, 43, 39, .10);
        box-shadow: var(--shadow);
      }

      .nav-wrap.nav-open .site-nav{
        display: grid;
      }

      .site-nav a{
        justify-content: flex-start;
        border-radius: 14px;
        min-height: 44px;
      }

      .header-cta{
        padding: 0 14px;
      }

      .hero{
        padding-top: 20px;
      }

      .hero h1{
        max-width: 100%;
      }

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

      .hero-visual{
        min-height: 360px;
      }

      .brand-strip{
        grid-template-columns: 1fr;
      }

      .band-tags{
        justify-content: flex-start;
      }

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

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

      .mini-card .media img{
        aspect-ratio: 16 / 9;
      }

      .contact-shell{
        padding: 18px;
      }

      .contact-copy,
      .contact-form,
      .overview-panel,
      .faq-intro{
        border-radius: 20px;
      }
    }

    @media (max-width: 520px){
      .container{
        width: min(var(--container), calc(100% - 24px));
      }

      .header-inner{
        gap: 10px;
      }

      .brand-text span{
        white-space: normal;
      }

      .brand-mark{
        width: 40px;
        height: 40px;
        border-radius: 12px;
      }

      .header-cta{
        display: none;
      }

      .hero{
        padding-top: 16px;
      }

      .hero h1{
        font-size: clamp(30px, 11vw, 42px);
      }

      .section{
        padding: 20px 0;
      }

      .section-title h2{
        font-size: 24px;
      }

      .feature-card h3,
      .overview-panel h3{
        font-size: 20px;
      }

      .feature-card .content,
      .overview-panel,
      .contact-form,
      .contact-copy,
      .faq-intro{
        padding: 18px;
      }

      .hero-actions{
        flex-direction: column;
        align-items: stretch;
      }

      .hero-actions .btn,
      .hero-actions .text-link{
        width: 100%;
        justify-content: center;
        text-align: center;
      }

      .tag-group{
        gap: 8px;
      }

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