/* roulang page: index */
:root {
    --pine-950: #042413;
    --pine-900: #0A3622;
    --pine-800: #14532D;
    --pine-700: #1B5A35;
    --pine-600: #15803D;
    --lime-300: #BEF264;
    --lime-400: #A3E635;
    --lime-500: #84CC16;
    --cream: #F7F5F0;
    --surface: #FFFFFF;
    --ink: #1F2937;
    --muted: #667085;
    --line: #E5E7EB;
    --soft-line: rgba(255, 255, 255, 0.30);
    --radius-xl: 22px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 30px rgba(0, 0, 0, 0.12);
  }

  * { box-sizing: border-box; }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
  }

  body {
    margin: 0;
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    background: var(--cream);
    color: var(--ink);
    line-height: 1.8;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 800;
    color: var(--pine-950);
    margin: 0 0 0.75rem;
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  }

  p { margin: 0 0 1.25rem; }
  img { max-width: 100%; display: block; }
  a { color: var(--pine-700); text-decoration: none; transition: all 0.2s ease; }
  a:hover { color: var(--pine-600); }
  button, input, select { font-family: inherit; }

  .container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .section {
    padding: 6rem 0;
  }

  .section-alt {
    background: var(--cream);
  }

  .section-head {
    margin-bottom: 3rem;
  }

  .eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--pine-700);
    margin-bottom: 0.875rem;
    padding: 0.3rem 0.8rem;
    background: rgba(163, 230, 53, 0.16);
    border-radius: 999px;
  }

  .section-desc {
    font-size: 1.0625rem;
    color: var(--muted);
    max-width: 720px;
  }

  /* ---------- 导航 ---------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.10);
    border-bottom: 1px solid var(--soft-line);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
    transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 76px;
    transition: min-height 0.3s;
  }

  .site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: rgba(10, 54, 34, 0.14);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
  }

  .nav-logo {
    font-weight: 900;
    font-size: 1.32rem;
    letter-spacing: 0.02em;
    color: #ffffff;
    white-space: nowrap;
  }

  .site-header.is-scrolled .nav-logo { color: var(--pine-900); }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .nav-link {
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.945rem;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
  }

  .nav-link.is-active {
    background: rgba(163, 230, 53, 0.20);
    color: #ffffff;
  }

  .site-header.is-scrolled .nav-link { color: #334155; }
  .site-header.is-scrolled .nav-link:hover { background: rgba(10, 54, 34, 0.08); color: var(--pine-900); }
  .site-header.is-scrolled .nav-link.is-active { background: rgba(10, 54, 34, 0.1); color: var(--pine-900); }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
  }

  .nav-search {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.13);
    border: 1px solid rgba(255, 255, 255, 0.38);
    border-radius: 999px;
    padding: 0.18rem 0.25rem 0.18rem 1rem;
    transition: all 0.25s;
    max-width: 210px;
    width: 100%;
  }

  .nav-search input {
    border: none;
    background: transparent;
    color: #ffffff;
    padding: 0.42rem 0.2rem;
    outline: none;
    font-size: 0.9rem;
    min-width: 0;
    width: 100%;
  }

  .nav-search input::placeholder { color: rgba(255, 255, 255, 0.72); }

  .nav-search button {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    padding: 0.45rem 0.7rem;
    cursor: pointer;
  }

  .site-header.is-scrolled .nav-search { background: #ffffff; border-color: var(--line); }
  .site-header.is-scrolled .nav-search input { color: var(--ink); }
  .site-header.is-scrolled .nav-search input::placeholder { color: #98A2B3; }
  .site-header.is-scrolled .nav-search button { color: var(--pine-700); }

  .btn-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.14);
    font-weight: 600;
    font-size: 0.88rem;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
  }

  .site-header.is-scrolled .btn-nav { border-color: var(--pine-800); color: var(--pine-800); background: transparent; }

  .site-header.is-scrolled .btn-nav:hover { background: var(--pine-900); color: #ffffff; }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    color: #ffffff;
    font-size: 1.35rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
  }

  .site-header.is-scrolled .nav-toggle { color: var(--pine-900); border-color: rgba(10, 54, 34, 0.3); background: rgba(10, 54, 34, 0.04); }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding: 8.5rem 0 4rem;
    color: #ffffff;
    background:
      linear-gradient(100deg, rgba(4, 20, 13, 0.90) 0%, rgba(10, 54, 34, 0.76) 52%, rgba(20, 83, 45, 0.42) 100%),
      url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #E8F6D6;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    margin-bottom: 1.4rem;
    font-size: 0.9rem;
    backdrop-filter: blur(6px);
  }

  .hero-copy h1 {
    color: #ffffff;
    font-size: clamp(2.3rem, 5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.18;
    margin-bottom: 1.5rem;
  }

  .hero-lead {
    font-size: 1.18rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
    max-width: 680px;
    margin-bottom: 2.2rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border-radius: 999px;
    padding: 0.8rem 1.7rem;
    font-size: 1rem;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .btn-white {
    background: #ffffff;
    color: var(--pine-900);
  }

  .btn-white:hover {
    background: var(--lime-300);
    color: var(--pine-950);
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
  }

  .btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.55);
    color: #ffffff;
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-color: #ffffff;
  }

  .hero-lower {
    margin-top: 3.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.4rem;
  }

  .live-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.94rem;
  }

  .live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lime-400);
    display: inline-block;
    animation: pulse 1.8s ease-in-out infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 0.75; box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.5); }
    50% { opacity: 1; box-shadow: 0 0 0 8px rgba(163, 230, 53, 0); }
  }

  .hero-link a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #ffffff;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.2rem;
  }

  .hero-link a:hover { color: var(--lime-300); border-color: var(--lime-300); }
  .hero-link i { transition: transform 0.2s; }
  .hero-link a:hover i { transform: translateX(4px); }

  /* ---------- 统计 / 指标 ---------- */
  .stats-band {
    position: relative;
    z-index: 6;
    margin-top: -74px;
    padding-bottom: 1.5rem;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: 2rem 2.4rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(10, 54, 34, 0.05);
  }

  .stat-card {
    text-align: left;
    padding-right: 1rem;
  }

  .stat-card + .stat-card {
    border-left: 1px solid var(--line);
    padding-left: 1.8rem;
  }

  .stat-number {
    font-size: 2.7rem;
    font-weight: 900;
    color: var(--pine-900);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
  }

  .stat-number span { color: var(--pine-600); font-size: 1.6rem; margin-left: 2px; }

  .stat-label {
    color: var(--muted);
    font-size: 0.94rem;
    margin: 0.25rem 0 0;
  }

  /* ---------- 服务矩阵 ---------- */
  .matrix-row1, .matrix-row2 {
    display: grid;
    gap: 1.6rem;
  }

  .matrix-row1 { grid-template-columns: 1.15fr 0.85fr; }
  .matrix-row2 { grid-template-columns: 0.75fr 1.25fr; }

  .mtx-card {
    border-radius: var(--radius-xl);
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(10, 54, 34, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
    min-height: 340px;
  }

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

  .mtx-card-inner { padding: 2.2rem; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }

  .tag-light {
    display: inline-flex;
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.30);
    color: #fff;
    border-radius: 999px;
    padding: 0.25rem 0.85rem;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(5px);
  }

  .mtx-card-a {
    background:
      linear-gradient(180deg, rgba(4, 20, 13, 0.42), rgba(4, 20, 13, 0.86)),
      url("/assets/images/coverpic/cover-1.webp") center center / cover no-repeat;
    color: #ffffff;
  }

  .mtx-card-a h3 { color: #ffffff; font-size: 1.8rem; }
  .mtx-card-a p { color: rgba(255, 255, 255, 0.88); max-width: 460px; }

  .mtx-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 1.3rem;
  }

  .mtx-chip {
    padding: 0.2rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #ffffff;
    border-radius: 999px;
    font-size: 0.82rem;
    background: rgba(255, 255, 255, 0.08);
  }

  .text-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 600;
    color: var(--pine-700);
    font-size: 0.95rem;
    cursor: pointer;
  }

  .text-arrow:hover { color: var(--pine-500); }
  .text-arrow i { transition: transform 0.2s ease; }
  .text-arrow:hover i { transform: translateX(5px); }

  .mtx-card-a .text-arrow { color: var(--lime-300); }
  .mtx-card-a .text-arrow:hover { color: #ffffff; }

  .index-list {
    display: flex;
    flex-direction: column;
    flex: 1;
    margin-top: 0.4rem;
    margin-bottom: 1.6rem;
  }

  .index-row {
    display: flex;
    gap: 0.9rem;
    padding: 0.95rem 0;
    border-bottom: 1px solid var(--line);
    align-items: flex-start;
  }

  .index-row:last-child { border-bottom: none; }

  .index-num {
    font-weight: 800;
    color: var(--pine-300, #4ADE80);
    background: rgba(163, 230, 53, 0.18);
    border-radius: 12px;
    padding: 0.1rem 0.45rem;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--pine-700);
    min-width: 36px;
    text-align: center;
  }

  .index-row strong { display: block; font-size: 1rem; color: var(--pine-950); font-weight: 700; }
  .index-row small { color: var(--muted); display: block; font-size: 0.86rem; line-height: 1.6; }

  .mtx-card-c {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .mtx-card-c .mtx-copy { padding: 2rem 1.8rem; display: flex; flex-direction: column; justify-content: center; }

  .mtx-card-c h3 { font-size: 1.35rem; }

  .mtx-card-c p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1.3rem; }

  .mtx-card-c img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .mtx-card-d {
    border-left: 6px solid var(--lime-400);
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background:
      linear-gradient(135deg, rgba(163, 230, 53, 0.10), rgba(255, 255, 255, 0) 46%),
      #ffffff;
  }

  .mtx-card-d h3 { font-size: 1.35rem; }

  .mtx-card-d p { color: var(--muted); max-width: 640px; }

  .tag-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.4rem; margin-bottom: 1.6rem; }
  .tag-cloud span { background: rgba(10, 54, 34, 0.06); color: var(--pine-900); border-radius: 999px; padding: 0.28rem 0.85rem; font-size: 0.85rem; font-weight: 600; }

  .inline-tag {
    color: var(--pine-700);
    border: 1px solid rgba(10, 54, 34, 0.18);
    background: rgba(255, 255, 255, 0.5);
  }

  /* ---------- 对比区 ---------- */
  .compare-layout {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 2rem;
  }

  .compare-panel {
    border-radius: var(--radius-xl);
    padding: 2rem 2rem 2.5rem;
  }

  .compare-panel-old {
    background: #EEEEE9;
    border: 1px solid #E3E1DA;
  }

  .compare-panel-new {
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.1)),
      var(--pine-900);
    color: #f2f7ee;
    position: relative;
    overflow: hidden;
  }

  .compare-panel-new::after {
    content: "九游";
    position: absolute;
    right: -12px;
    bottom: -44px;
    font-size: 9rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
    pointer-events: none;
  }

  .compare-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--pine-950);
  }

  .compare-panel-new .compare-title { color: #ffffff; }

  .compare-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    background: var(--pine-900);
    color: #ffffff;
  }

  .compare-panel-new .compare-icon { background: var(--lime-400); color: var(--pine-900); }

  .compare-list { list-style: none; padding: 0; margin: 0; }

  .compare-list li {
    position: relative;
    padding-left: 1.7rem;
    margin-bottom: 1.05rem;
    color: #475467;
    font-size: 0.98rem;
  }

  .compare-panel-new .compare-list li { color: rgba(255, 255, 255, 0.9); }

  .compare-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    top: 0;
    color: #b0a8a0;
  }

  .compare-panel-new .compare-list li::before { color: var(--lime-400); }

  /* ---------- FAQ ---------- */
  .faq-layout {
    display: grid;
    grid-template-columns: 0.42fr 0.58fr;
    gap: 3rem;
    align-items: start;
  }

  .faq-list details {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    padding: 0.2rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    transition: box-shadow 0.2s;
  }

  .faq-list details[open] {
    box-shadow: var(--shadow-lg);
    border-color: rgba(10, 54, 34, 0.14);
  }

  .faq-list summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
    padding: 1.15rem 0;
    font-weight: 700;
    color: var(--pine-950);
    font-size: 1.02rem;
  }

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

  .faq-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(10, 54, 34, 0.08);
    color: var(--pine-700);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    font-size: 0.9rem;
  }

  details[open] .faq-icon { transform: rotate(45deg); background: var(--lime-400); color: var(--pine-900); }

  .faq-answer {
    padding: 0 0 1.2rem;
    color: var(--muted);
    border-top: 1px dashed #E6E6E6;
    margin-top: -0.2rem;
    padding-top: 0.6rem;
    font-size: 0.96rem;
    line-height: 1.85;
  }

  /* ---------- 转化表单 ---------- */
  .convert-section {
    padding: 5.5rem 0;
  }

  .convert-panel {
    background:
      linear-gradient(120deg, rgba(4, 20, 13, 0.92), rgba(10, 54, 34, 0.95)),
      url("/assets/images/backpic/back-2.webp") center bottom / cover no-repeat;
    border-radius: var(--radius-xl);
    color: #ffffff;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 44px rgba(4, 20, 13, 0.24);
  }

  .convert-panel h2 { color: #ffffff; font-size: clamp(1.7rem, 3vw, 2.4rem); max-width: 520px; }

  .convert-panel .convert-copy p { color: rgba(255,255,255,0.86); }

  .convert-note {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    color: #C9F79A;
    font-size: 0.88rem;
    border-left: 3px solid var(--lime-400);
    padding-left: 0.9rem;
  }

  .convert-form {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(8px);
  }

  .form-grid {
    display: grid;
    gap: 1rem;
  }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

  .field {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.35);
    background: rgba(255,255,255,0.1);
    color: #ffffff;
    border-radius: 12px;
    padding: 0.82rem 1rem;
    outline: none;
    transition: all 0.2s;
    font-size: 0.96rem;
  }

  .field::placeholder { color: rgba(255,255,255,0.68); }

  .field:focus { border-color: var(--lime-400); background: rgba(255,255,255,0.14); box-shadow: 0 0 0 4px rgba(163,230,53,0.2); }

  select.field option { color: var(--pine-950); background: #ffffff; }

  .btn-lime {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--lime-400);
    color: var(--pine-950);
    border: none;
    border-radius: 999px;
    padding: 0.85rem 1.9rem;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
  }

  .btn-lime:hover { background: var(--lime-300); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(163,230,53,0.28); }
  .btn-lime:active { transform: scale(0.98); }

  /* ---------- 资讯动态 ---------- */
  .news-section {
    background: #ffffff;
    border-radius: 0;
  }

  .news-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .news-list {
    border-top: 1px solid var(--line);
  }

  .news-row {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    padding: 1.5rem 0.2rem;
    border-bottom: 1px solid var(--line);
    transition: background 0.2s, padding 0.2s;
    border-radius: 12px;
    color: var(--ink);
  }

  .news-row:hover {
    background: rgba(10,54,34,0.03);
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .news-tag {
    flex-shrink: 0;
    background: rgba(163,230,53,0.16);
    color: var(--pine-800);
    border: 1px solid rgba(163,230,53,0.4);
    border-radius: 999px;
    padding: 0.2rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
  }

  .news-time {
    flex-shrink: 0;
    color: var(--muted);
    font-size: 0.88rem;
    min-width: 128px;
    font-variant-numeric: tabular-nums;
  }

  .news-copy { flex: 1; min-width: 0; }

  .news-copy strong {
    display: block;
    color: var(--pine-950);
    font-size: 1.07rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
  }

  .news-copy p {
    color: var(--muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.94rem;
  }

  .news-arrow {
    color: var(--pine-700);
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .news-row:hover .news-arrow i { transform: translateX(4px); }
  .news-arrow i { transition: transform 0.2s; }

  .news-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: #98A2B3;
    background: #F9FAFB;
    border-radius: 18px;
  }

  .empty-state-title { font-weight: 600; }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: var(--pine-950);
    color: rgba(255,255,255,0.86);
    padding: 4rem 0 0;
    border-top: 4px solid var(--lime-400);
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.3fr 2.2fr;
    gap: 2.5rem;
    padding-bottom: 2.8rem;
  }

  .footer-logo {
    font-size: 1.65rem;
    font-weight: 900;
    color: #ffffff;
  }

  .footer-brand-desc { margin-top: 1rem; color: rgba(255,255,255,0.7); max-width: 340px; font-size: 0.95rem; }

  .footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }

  .footer-cols h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.05rem;
  }

  .footer-cols a {
    display: block;
    color: rgba(255,255,255,0.72);
    font-size: 0.92rem;
    margin-bottom: 0.35rem;
  }

  .footer-cols a:hover { color: var(--lime-300); padding-left: 0.3rem; }

  .footer-cols p { color: rgba(255,255,255,0.55); font-size: 0.9rem; }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.14);
    padding: 1.2rem 0;
    font-size: 0.88rem;
  }

  .footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    align-items: center;
    justify-content: space-between;
    color: rgba(255,255,255,0.6);
  }

  :focus-visible {
    outline: 2px solid var(--lime-400);
    outline-offset: 3px;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1024px) {
    .nav-wrap { gap: 0.8rem; }

    .nav-links, .nav-actions { display: none; }

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

    .site-header.mobile-open { background: rgba(255,255,255,0.96); border-bottom-color: var(--line); box-shadow: 0 20px 44px rgba(10,54,34,0.12); }

    .site-header.mobile-open .nav-logo, .site-header.mobile-open .nav-link { color: var(--pine-900); }

    .site-header.mobile-open .nav-link:hover { background: rgba(10,54,34,0.07); }
    .site-header.mobile-open .nav-toggle { color: var(--pine-900); border-color: var(--pine-800); background: rgba(10,54,34,0.04); }

    .site-header.mobile-open .nav-links {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      padding: 1rem 2rem 1.6rem;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      gap: 0.25rem;
    }

    .site-header.mobile-open .nav-link { padding: 0.85rem 1rem; border-radius: 14px; color: var(--ink); }

    .site-header.mobile-open .nav-search,
    .site-header.mobile-open .btn-nav { display: flex; margin-top: 0.5rem; }

    .site-header.mobile-open .nav-search {
      max-width: 100%;
      border: 1px solid var(--line);
      background: rgba(10,54,34,0.03);
    }

    .site-header.mobile-open .nav-search input { color: var(--ink); }
    .site-header.mobile-open .nav-search input::placeholder { color: var(--muted); }
    .site-header.mobile-open .nav-search button { color: var(--pine-700); }

    .site-header.mobile-open .nav-actions {
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      position: absolute;
      top: 100%;
      right: 2rem;
      left: 2rem;
      padding-top: 0.6rem;
      padding-bottom: 1.4rem;
      background: transparent;
    }

    .hero { padding-top: 8.5rem; }
    .hero-copy h1 { font-size: 2.8rem; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.8rem; }

    .stat-card:nth-child(3) { border-left: none; }

    .matrix-row1, .matrix-row2 { grid-template-columns: 1fr; }

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

    .faq-layout { grid-template-columns: 1fr; gap: 2rem; }

    .convert-panel { grid-template-columns: 1fr; padding: 2.4rem; }

    .news-head { align-items: flex-start; }
    .news-row { flex-wrap: wrap; gap: 0.6rem; }
    .news-time { min-width: auto; }
  }

  @media (max-width: 768px) {
    .container { padding-left: 1.25rem; padding-right: 1.25rem; }
    .section { padding: 4rem 0; }
    .hero { min-height: auto; padding-top: 8.2rem; padding-bottom: 3.5rem; }
    .hero-copy h1 { font-size: 2.2rem; }
    .hero-lead { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: stretch; max-width: 320px; }
    .hero-actions .btn { width: 100%; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 1.6rem 1.4rem; }
    .stat-card { padding-right: 0 !important; }
    .stat-card + .stat-card { border-left: none; padding-left: 0 !important; border-top: 0; }
    .stat-number { font-size: 2.1rem; }

    .footer-top { grid-template-columns: 1fr; gap: 2rem; }
    .footer-cols { grid-template-columns: 1fr; gap: 1.8rem; }
    .footer-bottom .container { flex-direction: column; align-items: flex-start; padding-top: 0.6rem; padding-bottom: 0.6rem; }
  }

  @media (max-width: 520px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.2rem 0.8rem; }
    .stat-card + .stat-card { border-left: none; }
    .stats-grid .stat-card { padding: 0.4rem; }
    .stat-number { font-size: 1.8rem; }
    .stat-number span { font-size: 1.1rem; }
    .convert-form { padding: 1.4rem; }
    .form-row { grid-template-columns: 1fr; }
    .mtx-card-inner { padding: 1.5rem; }
    .mtx-card-c { grid-template-columns: 1fr; }
    .mtx-card-c img { height: 160px; }
    .news-row { flex-direction: column; align-items: flex-start; gap: 0.45rem; }
    .news-time { color: var(--muted); }
  }

/* roulang page: article */
:root {
        --color-primary: #0A3622;
        --color-primary-light: #14532D;
        --color-secondary: #A3E635;
        --color-secondary-light: #4ADE80;
        --color-surface: #F8FAFC;
        --color-surface-alt: #F7F5F0;
        --color-text: #1E293B;
        --color-text-weak: #64748B;
        --color-border: #E2E8F0;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.06);
        --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.12);
        --container: 1280px;
        --space-section: 96px;
        --space-section-md: 64px;
    }

    body {
        font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        background-color: var(--color-surface);
        color: var(--color-text);
        line-height: 1.75;
        text-rendering: optimizeLegibility;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    *, *::before, *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
        margin: 0;
    }

    .container {
        max-width: var(--container);
        margin-left: auto;
        margin-right: auto;
        padding-left: 2rem;
        padding-right: 2rem;
    }

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

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

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

    .section-block {
        padding-top: var(--space-section);
        padding-bottom: var(--space-section);
    }

    /* ===== Header ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 50;
        background: rgba(255, 255, 255, 0.10);
        -webkit-backdrop-filter: blur(14px);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.30);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
    }

    .site-header.is-scrolled {
        background: rgba(255, 255, 255, 0.92);
        border-bottom: 1px solid rgba(10, 54, 34, 0.15);
        box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
    }

    .nav-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        flex-wrap: nowrap;
    }

    .nav-logo {
        font-size: 1.6rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.02em;
        white-space: nowrap;
        line-height: 1.2;
        transition: color 0.2s;
    }

    .site-header.is-scrolled .nav-logo {
        color: var(--color-primary);
    }

    .nav-logo:hover {
        color: var(--color-secondary);
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .nav-links .nav-link {
        color: rgba(255, 255, 255, 0.92);
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.4rem 0.2rem;
        border-bottom: 2px solid transparent;
        transition: color 0.2s, border-color 0.2s;
        position: relative;
    }

    .site-header.is-scrolled .nav-links .nav-link {
        color: var(--color-text);
    }

    .nav-links .nav-link:hover {
        color: var(--color-secondary);
        border-bottom-color: var(--color-secondary);
    }

    .site-header.is-scrolled .nav-links .nav-link:hover {
        color: var(--color-primary-light);
        border-bottom-color: var(--color-primary-light);
    }

    .nav-links .nav-link.is-active {
        color: var(--color-secondary);
        border-bottom-color: var(--color-secondary);
        font-weight: 700;
    }

    .site-header.is-scrolled .nav-links .nav-link.is-active {
        color: var(--color-primary);
        border-bottom-color: var(--color-primary);
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .nav-search {
        display: flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.18);
        border: 1px solid rgba(255, 255, 255, 0.35);
        border-radius: 40px;
        padding: 4px 4px 4px 16px;
        height: 40px;
        min-width: 200px;
        transition: all 0.2s;
    }

    .site-header.is-scrolled .nav-search {
        background: #f1f5f9;
        border-color: #cbd5e1;
    }

    .nav-search input {
        background: transparent;
        border: none;
        outline: none;
        color: #fff;
        font-size: 0.875rem;
        width: 100%;
    }

    .site-header.is-scrolled .nav-search input {
        color: var(--color-text);
    }

    .nav-search input::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }

    .site-header.is-scrolled .nav-search input::placeholder {
        color: #94a3b8;
    }

    .nav-search button {
        background: transparent;
        border: none;
        color: rgba(255, 255, 255, 0.8);
        cursor: pointer;
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        transition: background 0.2s, color 0.2s;
    }

    .site-header.is-scrolled .nav-search button {
        color: var(--color-text);
    }

    .nav-search button:hover {
        background: rgba(255, 255, 255, 0.2);
        color: var(--color-secondary);
    }

    .site-header.is-scrolled .nav-search button:hover {
        background: rgba(10, 54, 34, 0.1);
        color: var(--color-primary);
    }

    .btn-nav {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background-color: var(--color-secondary);
        color: var(--color-primary);
        font-size: 0.875rem;
        font-weight: 700;
        padding: 0.55rem 1.1rem;
        border-radius: 30px;
        transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
        white-space: nowrap;
        border: none;
        cursor: pointer;
    }

    .btn-nav:hover {
        background-color: #bef264;
        box-shadow: 0 4px 12px rgba(163, 230, 53, 0.4);
    }

    .btn-nav:active {
        transform: scale(0.97);
    }

    .nav-toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.4);
        border-radius: 8px;
        color: #fff;
        width: 40px;
        height: 40px;
        cursor: pointer;
        font-size: 1.1rem;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;
    }

    .site-header.is-scrolled .nav-toggle {
        color: var(--color-text);
        border-color: #cbd5e1;
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.15);
    }

    /* Mobile Menu */
    .mobile-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(10, 54, 34, 0.97), rgba(20, 83, 45, 0.95));
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        z-index: 49;
        padding: 2rem 1.5rem;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform 0.35s ease;
    }

    .mobile-menu.is-open {
        transform: translateX(0);
    }

    .mobile-menu a.mobile-link {
        color: #fff;
        font-size: 1.4rem;
        font-weight: 600;
        padding: 0.5rem 1rem;
        border-radius: 10px;
        transition: background 0.2s, color 0.2s;
    }

    .mobile-menu a.mobile-link:hover {
        background: rgba(255, 255, 255, 0.12);
        color: var(--color-secondary);
    }

    .mobile-menu a.mobile-link.is-active {
        color: var(--color-secondary);
        background: rgba(255, 255, 255, 0.08);
    }

    /* ===== Article Layout ===== */
    .article-page-body {
        background-color: #f8fafc;
    }

    .article-hero {
        background-color: var(--color-primary);
        background-image: linear-gradient(rgba(10, 54, 34, 0.85), rgba(10, 54, 34, 0.9)), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        padding: 140px 0 56px;
        color: #fff;
    }

    .article-breadcrumb {
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 2rem;
    }

    .article-breadcrumb a {
        color: rgba(255, 255, 255, 0.85);
        transition: color 0.2s;
    }

    .article-breadcrumb a:hover {
        color: var(--color-secondary);
    }

    .article-hero .divider {
        margin: 1.5rem 0;
        height: 1px;
        background: rgba(255, 255, 255, 0.25);
    }

    .article-hero h1 {
        font-size: 2.4rem;
        line-height: 1.3;
        font-weight: 800;
        max-width: 800px;
        color: #fff;
        letter-spacing: 0.02em;
    }

    .article-meta {
        display: flex;
        align-items: center;
        gap: 1.5rem;
        flex-wrap: wrap;
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.8);
        margin-top: 1rem;
    }

    .article-meta .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }

    .article-meta .badge-tag {
        background: rgba(163, 230, 53, 0.18);
        color: var(--color-secondary);
        border: 1px solid rgba(163, 230, 53, 0.35);
        padding: 0.15rem 0.9rem;
        border-radius: 20px;
        font-size: 0.8rem;
    }

    .article-body-main {
        max-width: 760px;
        margin-left: auto;
        margin-right: auto;
        padding: 3rem 2rem 4rem;
    }

    .article-content {
        font-size: 1.05rem;
        line-height: 2;
        color: #333;
        word-break: break-word;
    }

    .article-content p {
        margin-bottom: 1.75rem;
    }

    .article-content h2 {
        font-size: 1.875rem;
        line-height: 1.4;
        font-weight: 800;
        color: var(--color-primary);
        margin: 2.5rem 0 1.25rem;
    }

    .article-content h3 {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--color-primary-light);
        margin: 2rem 0 1rem;
    }

    .article-content a {
        color: var(--color-primary-light);
        text-decoration: underline;
        text-underline-offset: 4px;
        transition: color 0.2s;
    }

    .article-content a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }

    .article-content ul, .article-content ol {
        margin: 0 0 1.75rem 1.5rem;
    }

    .article-content li {
        margin-bottom: 0.6rem;
    }

    .article-content img {
        border-radius: 16px;
        margin: 2rem auto;
        box-shadow: var(--shadow-soft);
    }

    .article-content blockquote {
        border-left: 4px solid var(--color-secondary);
        background: #f9fafb;
        padding: 1rem 1.5rem;
        margin: 2rem 0;
        border-radius: 0 12px 12px 0;
        color: #4b5563;
        font-style: italic;
    }

    .related-posts {
        max-width: 760px;
        margin: 0 auto;
        padding: 3rem 2rem;
        border-top: 1px solid var(--color-border);
    }

    .related-posts h2 {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--color-primary);
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .related-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .related-item {
        padding: 1rem 0;
        border-bottom: 1px solid #edf2f7;
        display: flex;
        align-items: center;
        gap: 1.5rem;
        transition: padding-left 0.2s;
    }

    .related-item:hover {
        padding-left: 8px;
    }

    .related-date {
        font-size: 0.8rem;
        color: var(--color-text-weak);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .related-title {
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-text);
        transition: color 0.2s;
        flex: 1;
    }

    .related-item:hover .related-title {
        color: var(--color-primary-light);
    }

    .back-news {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.75rem 2rem;
        border: 1.5px solid var(--color-primary);
        border-radius: 40px;
        color: var(--color-primary);
        font-weight: 600;
        font-size: 0.95rem;
        transition: all 0.2s;
        margin-top: 2.5rem;
    }

    .back-news:hover {
        background: var(--color-primary);
        color: var(--color-secondary);
        box-shadow: 0 4px 12px rgba(10, 54, 34, 0.25);
    }

    /* ===== Footer ===== */
    .site-footer {
        background-color: #0c2e1e;
        color: rgba(255, 255, 255, 0.7);
    }

    .footer-top {
        display: flex;
        justify-content: space-between;
        gap: 3rem;
        padding-top: 3.5rem;
        padding-bottom: 2.5rem;
    }

    .footer-brand {
        flex: 1;
    }

    .footer-logo {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--color-secondary);
        display: inline-block;
        margin-bottom: 1rem;
        transition: color 0.2s;
    }

    .footer-logo:hover {
        color: #d9f99d;
    }

    .footer-brand-desc {
        font-size: 0.9rem;
        line-height: 1.8;
        max-width: 280px;
        color: rgba(255, 255, 255, 0.6);
    }

    .footer-cols {
        display: flex;
        gap: 4rem;
    }

    .footer-cols h4 {
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 0.75rem;
    }

    .footer-cols a {
        display: block;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.6);
        padding: 0.25rem 0;
        transition: color 0.2s;
    }

    .footer-cols a:hover {
        color: var(--color-secondary);
    }

    .footer-cols p {
        font-size: 0.85rem;
        line-height: 1.9;
        max-width: 230px;
        color: rgba(255, 255, 255, 0.55);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 1.25rem 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .footer-bottom .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .footer-bottom span {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.45);
    }

    /* ===== NotFound state ===== */
    .article-not-found {
        max-width: 720px;
        margin: 0 auto;
        padding: 6rem 2rem;
        text-align: center;
        min-height: 60vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .article-not-found .nf-code {
        font-size: 5rem;
        font-weight: 800;
        color: var(--color-secondary);
        line-height: 1;
        margin-bottom: 1rem;
    }

    .article-not-found h2 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--color-primary);
        margin-bottom: 1rem;
    }

    .article-not-found p {
        color: var(--color-text-weak);
        margin-bottom: 2rem;
        font-size: 1.1rem;
    }

    .btn-home-link {
        display: inline-block;
        background-color: var(--color-primary);
        color: var(--color-secondary);
        padding: 0.7rem 1.8rem;
        border-radius: 40px;
        font-weight: 700;
        transition: all 0.2s;
        border: 2px solid transparent;
    }

    .btn-home-link:hover {
        background: var(--color-primary-light);
        box-shadow: 0 8px 20px rgba(10, 54, 34, 0.25);
    }

    .btn-home-link:active {
        transform: scale(0.96);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .nav-links {
            gap: 1.1rem;
        }
        .nav-search {
            min-width: 140px;
        }
        .footer-top {
            gap: 2rem;
        }
        .footer-cols {
            gap: 2rem;
        }
    }

    @media (max-width: 860px) {
        .nav-links {
            display: none;
        }
        .nav-actions .nav-search {
            display: none;
        }
        .btn-nav {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .footer-top {
            flex-direction: column;
        }
        .footer-cols {
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-content img {
            border-radius: 12px;
        }
    }

    @media (max-width: 640px) {
        .container {
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .article-hero {
            padding: 110px 0 36px;
        }
        .article-hero h1 {
            font-size: 1.7rem;
        }
        .article-body-main {
            padding: 2rem 1.25rem;
        }
        .related-posts {
            padding: 1.5rem 1.25rem;
        }
        .article-meta {
            gap: 1rem;
            font-size: 0.8rem;
        }
        .site-header {
            background: rgba(10, 30, 20, 0.5);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
        }
        .site-header.is-scrolled {
            background: rgba(255, 255, 255, 0.96);
        }
        .nav-wrap {
            height: 64px;
        }
        .nav-logo {
            font-size: 1.25rem;
        }
        .mobile-menu {
            top: 64px;
        }
        .footer-bottom .container {
            flex-direction: column;
            text-align: center;
        }
        .footer-cols {
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
    }

    @media (max-width: 480px) {
        .nav-actions {
            display: flex;
            gap: 0.8rem;
        }
        .btn-nav {
            padding: 0.45rem 0.8rem;
            font-size: 0.75rem;
        }
        .footer-cols {
            flex-direction: column;
            gap: 2rem;
        }
        .footer-top {
            padding-top: 2.2rem;
        }
    }

/* roulang page: category1 */
:root {
    --color-primary: #0B3B2E;
    --color-primary-2: #14532D;
    --color-accent: #A3E635;
    --color-accent-hover: #B7F04A;
    --color-surface: #F7F5F0;
    --color-card: #FFFFFF;
    --color-text: #28362F;
    --color-muted: #6B7770;
    --color-line: #E5E0D6;
    --radius-lg: 20px;
    --radius-md: 16px;
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 14px 32px rgba(0, 0, 0, 0.12);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  body,
  h1,
  h2,
  h3,
  h4,
  p,
  ul,
  ol,
  figure,
  blockquote {
    margin: 0;
  }

  ul,
  ol {
    padding: 0;
    list-style: none;
  }

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

  a {
    color: var(--color-primary-2);
    text-decoration: none;
    transition: color 0.2s ease;
  }

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

  input,
  select,
  textarea,
  button {
    outline: none;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible {
    outline: 3px solid rgba(163, 230, 53, 0.7);
    outline-offset: 2px;
  }

  .container {
    width: min(1200px, calc(100% - 3rem));
    margin-inline: auto;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.30);
    box-shadow: none;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .site-header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: #E0DAD0;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    height: 78px;
  }

  .nav-logo {
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    white-space: nowrap;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
    transition: color 0.3s ease, text-shadow 0.3s ease;
  }

  .nav-logo i {
    margin-right: 6px;
    color: var(--color-accent);
    font-size: 1.15rem;
  }

  .site-header.scrolled .nav-logo {
    color: var(--color-primary);
    text-shadow: none;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    margin: auto;
  }

  .nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.24);
    letter-spacing: 0.02em;
    transition: color 0.2s ease, text-shadow 0.2s ease;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    border-radius: 99px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
  }

  .nav-link:hover,
  .nav-link.is-active {
    color: #fff;
  }

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

  .site-header.scrolled .nav-link {
    color: var(--color-primary);
    text-shadow: none;
  }

  .site-header.scrolled .nav-link:hover,
  .site-header.scrolled .nav-link.is-active {
    color: #0d7c3f;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .nav-search {
    display: flex;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.50);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    overflow: hidden;
    transition: border-color 0.2s ease, background 0.2s ease;
  }

  .site-header.scrolled .nav-search {
    border-color: #D7D3C9;
    background: rgba(255, 255, 255, 0.95);
  }

  .nav-search input {
    width: 180px;
    padding: 9px 8px 9px 16px;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 0.9rem;
  }

  .nav-search input::placeholder {
    color: rgba(255, 255, 255, 0.75);
  }

  .site-header.scrolled .nav-search input {
    color: #1d3a2f;
  }

  .site-header.scrolled .nav-search input::placeholder {
    color: #84928c;
  }

  .nav-search button {
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
    padding: 9px 15px 9px 8px;
    transition: color 0.2s ease;
  }

  .site-header.scrolled .nav-search button {
    color: var(--color-primary);
  }

  .btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 0.93rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.25s ease, border-color 0.25s ease;
  }

  .btn-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.8);
  }

  .site-header.scrolled .btn-nav {
    border-color: rgba(8, 62, 42, 0.30);
    background: rgba(8, 62, 42, 0.03);
    color: var(--color-primary);
  }

  .site-header.scrolled .btn-nav:hover {
    background: rgba(8, 62, 42, 0.09);
    border-color: rgba(8, 62, 42, 0.50);
  }

  .nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    font-size: 1.1rem;
  }

  .site-header.scrolled .nav-toggle {
    border-color: rgba(8, 62, 42, 0.35);
    color: var(--color-primary);
  }

  @media (max-width: 767px) {
    .nav-wrap {
      gap: 1rem;
    }

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

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

    .site-header .nav-links {
      position: fixed;
      top: 0;
      right: 0;
      width: min(340px, 84vw);
      height: 100vh;
      margin: 0;
      flex-direction: column;
      align-items: flex-start;
      justify-content: flex-start;
      gap: 1.6rem;
      padding: 100px 2rem 2rem;
      background: linear-gradient(160deg, rgb(8, 58, 38) 0%, rgba(15, 74, 48, 0.98) 100%);
      box-shadow: -14px 0 40px rgba(0, 0, 0, 0.22);
      transform: translateX(100%);
      transition: transform 0.35s ease;
      border-left: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .site-header.nav-open .nav-links {
      transform: translateX(0);
    }

    .nav-link,
    .site-header.scrolled .nav-link {
      color: #fff;
      text-shadow: none;
      font-size: 1.06rem;
      width: 100%;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      padding-bottom: 12px;
    }

    .nav-link::after {
      display: none;
    }

    .site-header.nav-open .nav-toggle {
      background: rgba(255, 255, 255, 0.18);
      border-color: rgba(255, 255, 255, 0.4);
      color: #fff;
    }

    .site-header.nav-open .nav-logo {
      color: #fff;
      text-shadow: none;
    }
  }

  /* Hero */
  .topic-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 640px;
    padding: 150px 0 100px;
    color: #fff;
    text-align: center;
    background:
      linear-gradient(180deg, rgba(3, 33, 20, 0.74) 0%, rgba(6, 48, 30, 0.56) 100%),
      url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
    overflow: hidden;
  }

  .topic-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 120px;
    background: linear-gradient(180deg, rgba(247, 245, 240, 0), #F7F5F0 92%);
    pointer-events: none;
  }

  .topic-hero-inner {
    position: relative;
    z-index: 2;
    width: min(880px, 100%);
    padding: 0 20px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(163, 230, 53, 0.14);
    border: 1px solid rgba(163, 230, 53, 0.45);
    color: #DDF2AE;
    border-radius: 999px;
    padding: 7px 17px;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 24px;
  }

  .topic-hero h1 {
    color: #fff;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-wrap: balance;
  }

  .topic-hero p {
    margin: 22px auto 34px;
    max-width: 640px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.06rem;
    line-height: 1.8;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 14px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 13px 26px;
    font-weight: 700;
    font-size: 0.98rem;
    line-height: 1.2;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .btn:active {
    transform: scale(0.97);
  }

  .btn-white {
    background: #fff;
    color: #0B3B2E;
  }

  .btn-white:hover {
    background: #e8fbdc;
    box-shadow: 0 10px 26px rgba(5, 30, 18, 0.22);
  }

  .btn-outline {
    border-color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #fff;
  }

  .hero-scroll {
    margin-top: 66px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.93rem;
    transition: color 0.2s ease;
  }

  .hero-scroll:hover {
    color: #fff;
  }

  .hero-scroll i {
    transition: transform 0.2s ease;
  }

  .hero-scroll:hover i {
    transform: translateY(3px);
  }

  /* General section */
  .page-section {
    padding: 96px 0;
  }

  .section-head {
    max-width: 820px;
    margin: 0 auto 56px;
    text-align: center;
  }

  .section-eyebrow {
    display: inline-block;
    color: #3F9A5C;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .section-head h2 {
    font-size: clamp(2rem, 3.4vw, 2.7rem);
    line-height: 1.25;
    color: #123126;
    font-weight: 800;
    letter-spacing: -0.01em;
    text-wrap: balance;
  }

  .section-head p {
    margin-top: 16px;
    color: var(--color-muted);
    font-size: 1.05rem;
    line-height: 1.8;
  }

  .section-foot-link {
    margin-top: 46px;
    text-align: center;
  }

  /* Service matrix guide */
  .guide-intent {
    text-align: center;
  }

  .guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
    margin-top: 48px;
  }

  .guide-card {
    background: var(--color-card);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .guide-card:hover {
    transform: translateY(-6px) !important;
    box-shadow: var(--shadow-hover);
  }

  .guide-card figure {
    margin: 0;
    width: 100%;
    height: 198px;
    overflow: hidden;
  }

  .guide-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .guide-card:hover img {
    transform: scale(1.05);
  }

  .guide-card-body {
    padding: 26px 24px 28px;
  }

  .guide-card-body h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.18rem;
    color: #123126;
    font-weight: 800;
    margin-bottom: 10px;
  }

  .guide-card-body h3 i {
    color: #3F9A5C;
    font-size: 1rem;
  }

  .guide-card-body p {
    color: var(--color-muted);
    font-size: 0.95rem;
    min-height: 74px;
    line-height: 1.75;
  }

  .guide-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-weight: 700;
    font-size: 0.95rem;
    color: #0d7c3f;
  }

  .guide-link i {
    transition: transform 0.2s ease;
  }

  .guide-link:hover {
    color: #0a2e1f;
  }

  .guide-link:hover i {
    transform: translateX(4px);
  }

  @media (min-width: 900px) {
    .guide-card:nth-child(2) {
      margin-top: 42px;
    }

    .guide-card:nth-child(3) {
      margin-top: 16px;
    }
  }

  @media (max-width: 900px) {
    .guide-grid {
      grid-template-columns: 1fr;
      gap: 22px;
    }

    .guide-card:nth-child(2),
    .guide-card:nth-child(3) {
      margin-top: 0;
    }
  }

  /* Flow section */
  .flow-section {
    background:
      radial-gradient(circle at 20% 10%, rgba(34, 112, 73, 0.5) 0%, rgba(0, 0, 0, 0) 40%),
      linear-gradient(145deg, #082A1F 0%, #0F452E 100%);
    color: rgba(255, 255, 255, 0.92);
    padding: 104px 0;
  }

  .flow-section .section-eyebrow {
    color: var(--color-accent);
  }

  .flow-section h2 {
    color: #fff;
  }

  .flow-section .section-head p {
    color: rgba(255, 255, 255, 0.74);
  }

  .flow-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 52px;
  }

  .flow-step {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: var(--radius-lg);
    padding: 34px 28px;
    text-align: left;
    transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  }

  .flow-step:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(163, 230, 53, 0.45);
    transform: translateY(-4px);
  }

  .flow-num {
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    font-variant-numeric: tabular-nums;
  }

  .flow-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin: 14px 0 10px;
  }

  .flow-step h3 i {
    color: var(--color-accent);
    margin-left: 8px;
    font-size: 0.98rem;
  }

  .flow-step p {
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.8;
    font-size: 0.98rem;
  }

  @media (max-width: 900px) {
    .flow-steps {
      grid-template-columns: 1fr;
    }
  }

  /* Compare */
  .compare-section {
    padding: 96px 0;
  }

  .compare-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    max-width: 1020px;
    margin: 0 auto;
  }

  .compare-panel {
    border-radius: 24px;
    padding: 42px 36px;
    box-shadow: var(--shadow-md);
  }

  .compare-panel h3 {
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 26px;
  }

  .compare-panel li {
    position: relative;
    padding-left: 34px;
    margin-bottom: 18px;
    line-height: 1.7;
  }

  .compare-panel li::before {
    position: absolute;
    left: 0;
    top: 1px;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
  }

  .compare-old {
    background: #F5EFE5;
    border: 1px solid #F0E9DC;
    color: #5B554A;
  }

  .compare-old h3 i {
    color: #B45309;
  }

  .compare-old li::before {
    content: "\f00d";
    color: #A05924;
  }

  .compare-new {
    background: linear-gradient(145deg, #0E3828, #14532D);
    border: 1px solid rgba(163, 230, 53, 0.18);
    color: #FFFFFF;
  }

  .compare-new h3 i {
    color: var(--color-accent);
  }

  .compare-new li::before {
    content: "\f00c";
    color: var(--color-accent);
  }

  @media (max-width: 840px) {
    .compare-wrap {
      grid-template-columns: 1fr;
    }
  }

  /* Latest list */
  .latest-section {
    background: #FFFFFF;
    padding: 96px 0;
  }

  .latest-panel {
    max-width: 1020px;
    margin: 0 auto;
  }

  .latest-list {
    border-top: 1px solid var(--color-line);
  }

  .latest-item {
    display: grid;
    grid-template-columns: 160px 1fr auto;
    gap: 24px;
    align-items: center;
    border-bottom: 1px solid var(--color-line);
    padding: 26px 18px;
    border-radius: 16px;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

  .latest-item:hover {
    background: #F9FBF7;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
    transform: translateX(4px);
  }

  .latest-tag {
    display: inline-block;
    background: #E7F6DC;
    color: #176B37;
    border-radius: 999px;
    padding: 5px 14px;
    font-size: 0.83rem;
    font-weight: 600;
    text-align: center;
    width: max-content;
  }

  .latest-item h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #123126;
    margin-bottom: 6px;
  }

  .latest-meta {
    font-size: 0.9rem;
    color: var(--color-muted);
  }

  .latest-arrow {
    color: #3F9A5C;
    font-size: 1rem;
    transition: transform 0.2s ease;
  }

  .latest-item:hover .latest-arrow {
    transform: translateX(6px);
  }

  @media (max-width: 720px) {
    .latest-item {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .latest-arrow {
      display: none;
    }
  }

  /* FAQ */
  .faq-section {
    padding: 96px 0;
  }

  .faq-list {
    max-width: 880px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 18px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.03);
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .faq-item.is-open {
    border-color: #BFDCC0;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.07);
  }

  .faq-btn {
    width: 100%;
    border: 0;
    background: transparent;
    padding: 21px 24px;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.08rem;
    transition: background 0.2s ease;
  }

  .faq-btn:hover {
    background: #FBFCF8;
  }

  .faq-btn i {
    color: #3F9A5C;
    flex-shrink: 0;
    transition: transform 0.25s ease;
  }

  .faq-item.is-open .faq-btn i {
    transform: rotate(45deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .faq-answer-inner {
    padding: 0 24px 22px;
    color: var(--color-muted);
    line-height: 1.85;
    border-top: 1px solid rgba(229, 224, 214, 0.4);
    margin: 0 24px 0;
    padding-left: 0;
    padding-right: 0;
  }

  /* CTA form */
  .convert-section {
    padding: 0 0 110px;
  }

  .convert-card {
    background:
      linear-gradient(150deg, rgba(8, 42, 30, 0.98) 0%, rgba(19, 76, 47, 0.97) 60%, rgba(25, 96, 58, 0.95) 100%),
      url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    border-radius: 32px;
    color: #fff;
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    box-shadow: 0 24px 60px rgba(0, 20, 8, 0.22);
    position: relative;
    overflow: hidden;
  }

  .convert-card::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -60px;
    width: 260px;
    height: 260px;
    background: rgba(163, 230, 53, 0.12);
    filter: blur(16px);
    border-radius: 50%;
    pointer-events: none;
  }

  .convert-info h2 {
    color: #fff;
    font-size: clamp(1.9rem, 3.2vw, 2.7rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 18px;
  }

  .convert-info p {
    color: rgba(255, 255, 255, 0.76);
    font-size: 1.02rem;
    line-height: 1.85;
    max-width: 360px;
  }

  .convert-note {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 26px;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 8px 17px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.88rem;
  }

  .convert-form {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    padding: 32px;
    border-radius: 24px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .convert-form label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
  }

  .form-row {
    margin-bottom: 20px;
  }

  .convert-form input,
  .convert-form select {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.30);
    background: rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    height: 50px;
    padding: 0 15px;
    color: #fff;
    font-size: 0.96rem;
    transition: border-color 0.2s ease, background 0.2s ease;
  }

  .convert-form input:focus,
  .convert-form select:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.18);
  }

  .convert-form input::placeholder {
    color: rgba(255, 255, 255, 0.62);
  }

  .convert-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    cursor: pointer;
  }

  .convert-form select option {
    color: #1d3a2f;
  }

  .btn-main {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    width: 100%;
    background: var(--color-accent);
    color: #0B3B2E;
    border: 0;
    border-radius: 999px;
    padding: 14px 30px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  }

  .btn-main:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 10px 28px rgba(163, 230, 53, 0.28);
  }

  .btn-main:active {
    transform: scale(0.97);
  }

  .form-message {
    margin-top: 14px;
    font-size: 0.9rem;
    color: var(--color-accent);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  .form-message.show {
    opacity: 1;
  }

  @media (max-width: 900px) {
    .convert-card {
      grid-template-columns: 1fr;
      padding: 38px 26px;
      gap: 30px;
    }
  }

  /* Footer */
  .site-footer {
    background: #082B1D;
    color: #DDE9E0;
    padding: 72px 0 0;
  }

  .site-footer a {
    color: rgba(255, 255, 255, 0.72);
  }

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

  .footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    padding-bottom: 56px;
  }

  .footer-logo {
    display: inline-block;
    color: #fff;
    font-size: 1.45rem;
    font-weight: 800;
    margin-bottom: 16px;
  }

  .footer-brand-desc {
    color: rgba(255, 255, 255, 0.65);
    max-width: 320px;
    line-height: 1.82;
  }

  .footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .footer-cols h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 17px;
  }

  .footer-cols a,
  .footer-cols p {
    display: block;
    margin-bottom: 11px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.94rem;
  }

  .footer-cols p {
    color: rgba(255, 255, 255, 0.58);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 22px 0;
  }

  .footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: rgba(255, 255, 255, 0.52);
    font-size: 0.88rem;
  }

  @media (max-width: 900px) {
    .footer-top {
      grid-template-columns: 1fr;
      gap: 40px;
    }
  }

  @media (max-width: 720px) {
    .footer-cols {
      grid-template-columns: 1fr 1fr;
    }

    .footer-bottom .container {
      flex-direction: column;
      align-items: flex-start;
      gap: 6px;
    }

    .page-section {
      padding: 72px 0;
    }

    .section-head {
      margin-bottom: 42px;
    }
  }

  @media (max-width: 520px) {
    .footer-cols {
      grid-template-columns: 1fr;
    }

    .convert-card {
      padding: 30px 20px;
    }

    .convert-form {
      padding: 22px 16px;
    }
  }

/* roulang page: category2 */
:root {
  --primary-deep: #0A3622;
  --primary: #14532D;
  --primary-mid: #166534;
  --green-light: #4ADE80;
  --lime: #A3E635;
  --surface: #F7F5F0;
  --white: #FFFFFF;
  --ink: #1F2937;
  --muted: #64748B;
  --soft-border: rgba(15, 23, 42, 0.1);
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.12);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, select, textarea {
  font: inherit;
}
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}
@media (max-width: 768px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}
.sec-space {
  padding: 96px 0;
}
@media (max-width: 768px) {
  .sec-space {
    padding: 64px 0;
  }
}
.section-dim {
  background: #EEF0E9;
}
.sec-head {
  max-width: 780px;
  margin-bottom: 2.75rem;
}
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(20, 83, 45, 0.08);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.sec-title {
  color: var(--primary-deep);
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem 0;
}
.sec-desc {
  color: var(--muted);
  font-size: 1.0625rem;
  margin: 0.5rem 0 0;
  line-height: 1.8;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}
.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  white-space: nowrap;
  letter-spacing: -0.01em;
  transition: color 0.25s ease;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}
.nav-link:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
}
.nav-link.is-active {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  font-weight: 700;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-search {
  display: flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0.25rem 0.5rem 0.25rem 1rem;
  height: 40px;
  width: 220px;
  transition: border 0.25s ease, background 0.25s ease;
}
.nav-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: #FFFFFF;
  font-size: 0.875rem;
}
.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.75);
}
.nav-search button {
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-search button:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border 0.2s ease, transform 0.2s ease;
}
.btn-nav:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.75);
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.24);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: rgba(15, 23, 42, 0.07);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}
.site-header.is-scrolled .nav-logo {
  color: var(--primary-deep);
}
.site-header.is-scrolled .nav-link {
  color: rgba(15, 23, 42, 0.8);
}
.site-header.is-scrolled .nav-link:hover {
  background: rgba(20, 83, 45, 0.08);
  color: var(--primary);
}
.site-header.is-scrolled .nav-link.is-active {
  background: rgba(20, 83, 45, 0.12);
  color: var(--primary);
}
.site-header.is-scrolled .nav-search {
  border-color: rgba(15, 23, 42, 0.15);
  background: rgba(255, 255, 255, 0.8);
}
.site-header.is-scrolled .nav-search input {
  color: #1E293B;
}
.site-header.is-scrolled .nav-search input::placeholder {
  color: #94A3B8;
}
.site-header.is-scrolled .nav-search button {
  color: var(--primary);
}
.site-header.is-scrolled .nav-search button:hover {
  background: rgba(20, 83, 45, 0.1);
}
.site-header.is-scrolled .btn-nav {
  border-color: rgba(20, 83, 45, 0.25);
  background: rgba(20, 83, 45, 0.06);
  color: var(--primary);
}
.site-header.is-scrolled .btn-nav:hover {
  background: rgba(20, 83, 45, 0.12);
  color: var(--primary-deep);
}
.site-header.is-scrolled .nav-toggle {
  border-color: rgba(20, 83, 45, 0.25);
  background: rgba(20, 83, 45, 0.06);
  color: var(--primary);
}
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 70;
  background: linear-gradient(160deg, #0F3D29 0%, #14532D 100%);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.25rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 0;
  transform: translateY(-14px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.mobile-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-menu a {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.125rem;
  font-weight: 600;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.mobile-menu a.is-active {
  color: #D9F99D;
}
.mobile-menu .mm-search {
  margin-top: 0.5rem;
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  overflow: hidden;
  height: 44px;
}
.mobile-menu .mm-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 0 1rem;
  color: #FFFFFF;
  font-size: 0.95rem;
  min-width: 0;
}
.mobile-menu .mm-search input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}
.mobile-menu .mm-search button {
  border: none;
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  width: 48px;
  cursor: pointer;
}
@media (max-width: 1180px) {
  .nav-search {
    display: none;
  }
}
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .nav-actions .btn-nav {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
}

.hero-cat {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  background: linear-gradient(120deg, rgba(6, 42, 26, 0.94), rgba(15, 73, 45, 0.86)),
              url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
  color: #FFFFFF;
  padding: 150px 0 100px;
  overflow: hidden;
  isolation: isolate;
}
.hero-cat::after {
  content: "";
  position: absolute;
  inset: auto -10% -45% 45%;
  width: 400px;
  height: 320px;
  background: radial-gradient(circle, rgba(163, 230, 53, 0.18), transparent 68%);
  z-index: -1;
}
.hero-cat::before {
  content: "";
  position: absolute;
  inset: -20% 65% -40% auto;
  background: radial-gradient(circle at right, rgba(74, 222, 128, 0.16), transparent 52%);
  z-index: -1;
}
.hero-crumb {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.25rem;
}
.hero-crumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s ease;
}
.hero-crumb a:hover {
  color: #D9F99D;
}
.hero-crumb i {
  font-size: 0.675rem;
  color: rgba(255, 255, 255, 0.45);
}
.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.6rem);
  font-weight: 900;
  line-height: 1.18;
  color: #FFFFFF;
  margin: 0 0 1rem 0;
  letter-spacing: -0.02em;
  max-width: 960px;
  text-shadow: 0 6px 30px rgba(0, 0, 0, 0.22);
}
.hero-title .hero-glow {
  color: #D9F99D;
}
.hero-sub {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.125rem;
  line-height: 1.8;
  margin: 0 0 2rem 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.btn-white-fill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 48px;
  padding: 0 1.5rem;
  border-radius: 999px;
  background: #FFFFFF;
  color: var(--primary-deep);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.16);
  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}
.btn-white-fill:hover {
  background: #EEF2E8;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
.btn-white-fill:active {
  transform: scale(0.98);
}
.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 48px;
  padding: 0 1.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.25s ease, border 0.25s ease, transform 0.2s ease;
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.9);
}
.btn-ghost-light:active {
  transform: scale(0.98);
}

.stats-band {
  position: relative;
  z-index: 4;
  margin-top: -3rem;
  margin-bottom: 96px;
}
.stats-inner {
  background: #FFFFFF;
  border: 1px solid var(--soft-border);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  padding: 2rem 2.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.stat-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 1.5rem;
  border-left: 1px solid var(--soft-border);
}
.stat-item:first-child {
  border-left: none;
  padding-left: 0;
}
.stat-num {
  color: var(--primary);
  font-size: 2.2rem;
  font-weight: 850;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.stat-num small {
  font-size: 1.1rem;
  font-weight: 700;
  margin-left: 0.15rem;
  color: var(--primary-mid);
}
.stat-desc {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
@media (max-width: 1000px) {
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .stat-item {
    border-left: none;
    padding: 0.75rem 0;
  }
}
@media (max-width: 560px) {
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.25rem;
  }
  .stat-num {
    font-size: 1.65rem;
  }
}

.data-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.data-card-grid .guide-card {
  background: #FFFFFF;
  border: 1px solid var(--soft-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.data-card-grid .guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.guide-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #DFE8DC;
}
.guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.guide-card:hover .guide-thumb img {
  transform: scale(1.04);
}
.guide-order {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.guide-body {
  padding: 1.5rem 1.4rem 1.25rem;
}
.guide-body h3 {
  margin: 0 0 0.5rem;
  color: var(--primary-deep);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.35;
}
.guide-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, gap 0.2s ease;
}
.card-link i {
  transition: transform 0.2s ease;
}
.card-link:hover {
  gap: 0.65rem;
  border-bottom-color: rgba(20, 83, 45, 0.4);
}
.card-link:hover i {
  transform: translateX(3px);
}
@media (max-width: 920px) {
  .data-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .data-card-grid {
    grid-template-columns: 1fr;
  }
}

.split-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 4rem;
  align-items: center;
}
.split-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(163, 230, 53, 0.18);
  color: #365314;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  border-radius: 999px;
  padding: 0.35rem 1rem;
  margin-bottom: 1rem;
}
.split-title {
  color: var(--primary-deep);
  font-size: clamp(1.7rem, 2.8vw, 2.25rem);
  line-height: 1.3;
  font-weight: 800;
  margin: 0 0 1rem;
}
.split-copy {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0 0 1.75rem;
}
.guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--soft-border);
  border-radius: 16px;
  padding: 1.1rem 1.25rem;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.guide-list li:hover {
  background: #FFFFFF;
  border-color: rgba(20, 83, 45, 0.35);
  transform: translateX(4px);
}
.guide-list-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(20, 83, 45, 0.12);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}
.guide-list-li strong {
  color: var(--primary-deep);
  font-weight: 700;
  display: block;
  line-height: 1.4;
}
.guide-list-li p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9125rem;
  line-height: 1.7;
}
.split-visual {
  position: relative;
  background: linear-gradient(135deg, rgba(10, 54, 34, 0.06), rgba(163, 230, 53, 0.1));
  border-radius: 24px;
  padding: 1.25rem;
}
.split-visual img {
  border-radius: 18px;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.18);
  width: 100%;
  object-fit: cover;
}
.split-float-note {
  position: absolute;
  right: 1.5rem;
  bottom: 1.75rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-soft);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--primary-deep);
  font-size: 0.85rem;
  font-weight: 600;
}
.split-float-note i {
  color: var(--green-light);
  margin-right: 0.25rem;
}
@media (max-width: 920px) {
  .split-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.flow-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--soft-border);
  border-radius: 18px;
  padding: 2rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.flow-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.flow-num {
  position: absolute;
  top: -1rem;
  left: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-deep);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 8px 16px rgba(10, 54, 34, 0.28);
}
.flow-card h3 {
  margin: 1.1rem 0 0.65rem;
  color: var(--primary-deep);
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.4;
}
.flow-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.925rem;
  line-height: 1.8;
}
@media (max-width: 920px) {
  .flow-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }
}

.dimension-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.dimension-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 1rem;
  align-items: flex-start;
  background: #FFFFFF;
  border: 1px solid var(--soft-border);
  border-radius: 16px;
  padding: 1.25rem 1.4rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.dimension-row:hover {
  border-color: rgba(20, 83, 45, 0.32);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}
.dimension-tick {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #14532D, #22A55A);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  box-shadow: 0 6px 16px rgba(20, 83, 45, 0.24);
}
.dimension-row h3 {
  color: var(--primary-deep);
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.3rem;
  line-height: 1.45;
}
.dimension-row p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.75;
  margin: 0;
}
.update-note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.6);
  border-left: 4px solid #A3E635;
  border-radius: 8px;
  color: #66785F;
  font-size: 0.875rem;
}
@media (max-width: 880px) {
  .dimension-list {
    grid-template-columns: 1fr;
  }
}

.faq-wrap {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--soft-border);
  border-radius: 16px;
  margin-bottom: 0.9rem;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.faq-item[open] {
  border-color: rgba(20, 83, 45, 0.3);
  box-shadow: var(--shadow-soft);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  color: var(--primary-deep);
  font-size: 1.04rem;
  line-height: 1.55;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "\f077";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.9rem;
  color: var(--primary);
  background: rgba(20, 83, 45, 0.08);
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background 0.2s ease;
}
.faq-item:not([open]) summary::after {
  transform: rotate(180deg);
}
.faq-item summary:hover::after {
  background: rgba(20, 83, 45, 0.16);
}
.faq-item .faq-ans {
  padding: 0 1.5rem 1.4rem;
  color: var(--muted);
  line-height: 1.85;
  border-top: 1px dashed rgba(20, 83, 45, 0.08);
  margin-top: 0.1rem;
}
.faq-item .faq-ans p {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
}

.cta-block {
  margin-top: 30px;
}
.cta-card {
  background: linear-gradient(145deg, #FFFFFF, #F1F5EC);
  border: 1px solid var(--soft-border);
  border-radius: 28px;
  padding: 3rem 3.5rem;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: var(--shadow-soft);
}
.cta-title {
  color: var(--primary-deep);
  font-size: clamp(1.7rem, 2.6vw, 2.25rem);
  line-height: 1.3;
  font-weight: 800;
  margin: 0.25rem 0 0.8rem;
}
.cta-intro p {
  color: var(--muted);
  line-height: 1.9;
  margin: 0;
}
.trust-line {
  margin-top: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(20, 83, 45, 0.06);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
}
.contact-form {
  display: grid;
  gap: 0.95rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.95rem;
}
.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.field-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-deep);
}
.field-group input,
.field-group select {
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: 12px;
  height: 44px;
  padding: 0 1rem;
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath stroke='%2314532D' stroke-linecap='round' stroke-width='1.8' d='m1 1 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}
.field-group input:focus,
.field-group select:focus {
  border-color: rgba(20, 83, 45, 0.55);
  box-shadow: 0 0 0 4px rgba(20, 83, 45, 0.1);
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  height: 50px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(100deg, #A3E635, #4ADE80);
  color: #0A3622;
  font-weight: 800;
  font-size: 1rem;
  padding: 0 1.8rem;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(163, 230, 53, 0.32);
  transition: transform 0.2s ease, box-shadow 0.25s ease, filter 0.2s ease;
}
.btn-submit:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(74, 222, 128, 0.38);
}
.btn-submit:active {
  transform: scale(0.98);
}
.btn-submit:focus-visible {
  outline: 3px solid rgba(163, 230, 53, 0.65);
  outline-offset: 3px;
}
@media (max-width: 900px) {
  .cta-card {
    grid-template-columns: 1fr;
    padding: 2rem 1.6rem;
    gap: 2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  background: #0B2D1D;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 5rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  padding-top: 4rem;
  padding-bottom: 2.5rem;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}
.footer-brand-desc {
  margin-top: 0.85rem;
  max-width: 300px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.925rem;
  line-height: 1.8;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 2rem;
}
.footer-cols h4 {
  color: #FFFFFF;
  font-size: 0.975rem;
  font-weight: 700;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-cols a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-cols a:hover {
  color: #D9F99D;
  padding-left: 4px;
}
.footer-cols p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  line-height: 1.85;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.4rem 0;
}
.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.83rem;
}
@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .nav-wrap {
    min-height: 64px;
  }
}

/* roulang page: category3 */
:root {
      --primary: #0A3622;
      --primary-deep: #062317;
      --primary-soft: #14532D;
      --accent: #A3E635;
      --accent-2: #4ADE80;
      --surface: #F8FAFC;
      --paper: #F7F5F0;
      --ink: #1D3627;
      --muted: #5E6F64;
      --line: rgba(20, 83, 45, 0.14);
      --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 16px 34px rgba(0, 0, 0, 0.12);
      --radius: 16px;
      --radius-sm: 12px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--paper);
      color: var(--ink);
      line-height: 1.7;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
      -webkit-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
      margin: 0;
    }

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

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

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

    .wrap {
      max-width: 1280px;
      margin-inline: auto;
      padding-inline: 2rem;
    }

    @media (max-width: 768px) {
      .wrap {
        padding-inline: 1.25rem;
      }
    }

    .section-pad {
      padding-block: 104px;
    }

    @media (max-width: 768px) {
      .section-pad {
        padding-block: 64px;
      }
    }

    /* ===== 顶部导航 ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(6, 35, 23, 0.18);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.25);
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
      transition: background 0.28s ease, box-shadow 0.28s ease;
    }

    .site-header.scrolled,
    .site-header.menu-open {
      background: rgba(255, 255, 255, 0.92);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      border-bottom-color: rgba(20, 83, 45, 0.12);
      box-shadow: 0 10px 30px rgba(6, 35, 23, 0.1);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 82px;
    }

    .nav-logo {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: 0.02em;
      color: #ffffff;
      transition: color 0.2s;
      text-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
      flex-shrink: 0;
    }

    .site-header.scrolled .nav-logo,
    .site-header.menu-open .nav-logo {
      color: var(--primary);
      text-shadow: none;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      margin-inline: 1rem;
      flex-wrap: nowrap;
    }

    .nav-link {
      color: rgba(255, 255, 255, 0.94);
      padding: 0.45rem 0.75rem;
      border-radius: 999px;
      font-size: 0.93rem;
      font-weight: 500;
      letter-spacing: 0.01em;
      transition: all 0.2s;
    }

    .nav-link i {
      margin-right: 0.28rem;
      opacity: 0.7;
    }

    .nav-link:hover {
      background: rgba(255, 255, 255, 0.16);
      color: #fff;
      transform: translateY(-1px);
    }

    .site-header.scrolled .nav-link,
    .site-header.menu-open .nav-link {
      color: var(--primary);
    }

    .site-header.scrolled .nav-link:hover,
    .site-header.menu-open .nav-link:hover {
      background: rgba(20, 83, 45, 0.08);
      color: var(--primary);
    }

    .site-header.scrolled .nav-link.is-active,
    .site-header.menu-open .nav-link.is-active {
      background: var(--primary);
      color: #fff;
    }

    .nav-link.is-active {
      background: rgba(255, 255, 255, 0.22);
      color: #fff;
      font-weight: 700;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      flex-shrink: 0;
    }

    .nav-search {
      display: flex;
      align-items: center;
      height: 40px;
      background: rgba(255, 255, 255, 0.18);
      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: 999px;
      padding-left: 1rem;
      overflow: hidden;
    }

    .nav-search input {
      border: none;
      outline: none;
      background: transparent;
      color: #fff;
      width: 138px;
      font-size: 0.85rem;
    }

    .nav-search input::placeholder {
      color: rgba(255, 255, 255, 0.75);
    }

    .nav-search button {
      width: 38px;
      height: 38px;
      border: none;
      background: transparent;
      color: rgba(255, 255, 255, 0.9);
      cursor: pointer;
      transition: all 0.2s;
    }

    .nav-search button:hover {
      color: var(--accent);
    }

    .nav-search button:focus-visible {
      outline: 2px solid var(--accent);
      border-radius: 999px;
    }

    .site-header.scrolled .nav-search,
    .site-header.menu-open .nav-search {
      background: rgba(10, 54, 34, 0.06);
      border-color: rgba(10, 54, 34, 0.16);
    }

    .site-header.scrolled .nav-search input,
    .site-header.menu-open .nav-search input {
      color: var(--ink);
    }

    .site-header.scrolled .nav-search input::placeholder,
    .site-header.menu-open .nav-search input::placeholder {
      color: rgba(29, 54, 39, 0.55);
    }

    .site-header.scrolled .nav-search button,
    .site-header.menu-open .nav-search button {
      color: var(--primary);
    }

    .btn-nav {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 1.1rem;
      background: var(--accent);
      color: var(--primary-deep);
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 700;
      border: 1px solid transparent;
      transition: all 0.2s;
      box-shadow: 0 6px 16px rgba(163, 230, 53, 0.22);
    }

    .btn-nav:hover {
      background: #b9f452;
      transform: translateY(-1px);
      box-shadow: 0 8px 22px rgba(163, 230, 53, 0.32);
    }

    .btn-nav:active {
      transform: scale(0.98);
    }

    .btn-nav:focus-visible {
      outline: 3px solid rgba(163, 230, 53, 0.5);
      outline-offset: 2px;
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border: 1px solid rgba(255, 255, 255, 0.45);
      background: rgba(255, 255, 255, 0.16);
      border-radius: 10px;
      color: #fff;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.28);
    }

    .site-header.scrolled .nav-toggle,
    .site-header.menu-open .nav-toggle {
      border-color: rgba(10, 54, 34, 0.22);
      color: var(--primary);
      background: rgba(10, 54, 34, 0.05);
    }

    @media (max-width: 1180px) {
      .nav-links {
        position: fixed;
        top: 74px;
        left: 1rem;
        right: 1rem;
        margin: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        background: rgba(255, 255, 255, 0.97);
        border: 1px solid rgba(20, 83, 45, 0.1);
        border-radius: 18px;
        box-shadow: 0 20px 44px rgba(6, 35, 23, 0.22);
        padding: 1rem;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: all 0.28s ease;
      }

      .nav-links.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
      }

      .nav-link,
      .site-header.scrolled .nav-link,
      .site-header.menu-open .nav-link {
        color: var(--primary);
        padding: 0.85rem 1rem;
        border-radius: 12px;
        background: rgba(20, 83, 45, 0.04);
      }

      .nav-link:hover,
      .site-header.scrolled .nav-link:hover {
        background: rgba(20, 83, 45, 0.1);
        color: var(--primary);
      }

      .nav-link.is-active,
      .site-header.scrolled .nav-link.is-active {
        background: var(--primary);
        color: #fff;
      }

      .nav-actions {
        display: none;
      }

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

    /* ===== 当前分类 Hero ===== */
    .category-hero {
      position: relative;
      min-height: 620px;
      display: flex;
      align-items: center;
      padding: 180px 0 100px;
      background:
        linear-gradient(100deg, rgba(5, 28, 17, 0.88), rgba(6, 60, 28, 0.56)),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      color: #fff;
      overflow: hidden;
    }

    .category-hero:after {
      content: "";
      position: absolute;
      width: 340px;
      height: 340px;
      right: -80px;
      bottom: -120px;
      background: radial-gradient(circle, rgba(163, 230, 53, 0.32), transparent 70%);
      pointer-events: none;
    }

    .category-hero .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.16);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.28);
      border-radius: 999px;
      padding: 0.45rem 1rem;
      font-size: 0.82rem;
      letter-spacing: 0.04em;
      font-weight: 600;
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }

    .category-hero h1 {
      font-size: clamp(2.2rem, 4.2vw, 3.6rem);
      line-height: 1.18;
      font-weight: 800;
      margin: 1.5rem 0 1rem;
      letter-spacing: -0.01em;
      max-width: 700px;
    }

    .category-hero .accent-dash {
      color: var(--accent);
    }

    .category-hero .hero-sub {
      max-width: 620px;
      font-size: 1.1rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 2.2rem;
    }

    .hero-cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .btn-primary,
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.55rem;
      height: 50px;
      padding: 0 1.5rem;
      border-radius: 999px;
      font-size: 0.95rem;
      font-weight: 700;
      transition: all 0.2s ease;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--primary-deep);
      box-shadow: 0 8px 20px rgba(163, 230, 53, 0.26);
    }

    .btn-primary:hover {
      background: #baf35b;
      border-color: rgba(163, 230, 53, 0.2);
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(163, 230, 53, 0.35);
    }

    .btn-primary:active {
      transform: scale(0.98);
    }

    .btn-primary:focus-visible {
      outline: 3px solid rgba(163, 230, 53, 0.55);
      outline-offset: 3px;
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.65);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.26);
      border-color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline:active {
      transform: scale(0.98);
    }

    .hero-scroll-cue {
      position: absolute;
      left: 2rem;
      bottom: 2.4rem;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.7);
      display: flex;
      align-items: center;
      gap: 0.6rem;
      max-width: 480px;
    }

    .hero-scroll-cue i {
      color: var(--accent);
    }

    @media (max-width: 640px) {
      .category-hero {
        min-height: 540px;
        padding: 140px 0 80px;
      }

      .category-hero h1 {
        font-size: 2.1rem;
      }

      .hero-scroll-cue {
        position: static;
        margin-top: 2.5rem;
      }
    }

    /* ===== 通用页面标题 ===== */
    .section-heading {
      margin-bottom: 2rem;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: rgba(163, 230, 53, 0.24);
      color: var(--primary);
      border: 1px solid rgba(20, 83, 45, 0.12);
      padding: 0.3rem 0.9rem;
      border-radius: 999px;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.08em;
    }

    .section-heading h2 {
      font-size: clamp(1.7rem, 2.6vw, 2.4rem);
      font-weight: 800;
      margin-top: 0.9rem;
      line-height: 1.28;
      color: var(--primary-deep);
    }

    .section-heading p {
      max-width: 720px;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.8;
      margin-top: 0.8rem;
    }

    /* ===== 分类三卡导览 ===== */
    .category-browse .card-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 1.8rem;
      align-items: start;
    }

    .category-browse .card-item {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: all 0.24s ease;
      display: block;
      height: 100%;
    }

    .category-browse .card-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .category-browse .card-item.small-offset {
      margin-top: 2.2rem;
    }

    @media (max-width: 1024px) {
      .category-browse .card-wrap {
        grid-template-columns: 1fr;
      }

      .category-browse .card-item.small-offset {
        margin-top: 0;
      }
    }

    .category-card-media {
      position: relative;
      aspect-ratio: 3 / 2;
      overflow: hidden;
      background: #e9efe6;
    }

    .category-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .card-item:hover .category-card-media img {
      transform: scale(1.04);
    }

    .category-card-body {
      padding: 1.5rem 1.5rem 1.7rem;
    }

    .category-card-body .icon-wrap {
      width: 40px;
      height: 40px;
      background: rgba(20, 83, 45, 0.08);
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 0.85rem;
      font-size: 1.05rem;
    }

    .category-card-body h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--primary-deep);
      margin-bottom: 0.6rem;
    }

    .category-card-body p {
      font-size: 0.92rem;
      line-height: 1.8;
      color: var(--muted);
    }

    .card-more {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      color: var(--primary-soft);
      font-size: 0.9rem;
      font-weight: 700;
      margin-top: 0.9rem;
      border-bottom: 1px solid transparent;
    }

    .card-more i {
      transition: transform 0.2s ease;
      color: var(--primary-soft);
    }

    .card-item:hover .card-more {
      color: var(--primary);
    }

    .card-item:hover .card-more i {
      transform: translateX(4px);
      color: var(--primary);
    }

    .card-more:focus-visible {
      outline: 2px solid rgba(20, 83, 45, 0.5);
      outline-offset: 4px;
      border-radius: 4px;
    }

    /* ===== 编号流程区 ===== */
    .index-process {
      background: #fff;
      border-top: 1px solid rgba(20, 83, 45, 0.08);
      border-bottom: 1px solid rgba(20, 83, 45, 0.08);
    }

    .process-layout {
      display: grid;
      grid-template-columns: 0.9fr 1.5fr;
      gap: 3.2rem;
      align-items: center;
    }

    @media (max-width: 1024px) {
      .process-layout {
        grid-template-columns: 1fr;
        gap: 2.2rem;
      }
    }

    .process-steps {
      margin: 0;
      padding: 0;
      list-style: none;
      counter-reset: stepCounter;
      display: grid;
      gap: 1.2rem;
    }

    .step-item {
      counter-increment: stepCounter;
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 1rem;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 1.2rem 1.4rem;
      background: var(--surface);
      transition: all 0.2s ease;
    }

    .step-item:hover {
      border-color: rgba(20, 83, 45, 0.3);
      box-shadow: var(--shadow-soft);
    }

    .step-dot {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: var(--accent);
      font-size: 1rem;
      font-weight: 800;
      box-shadow: 0 0 0 6px rgba(20, 83, 45, 0.1);
    }

    .step-item h4 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--primary-deep);
      margin: 0.1rem 0 0.3rem;
    }

    .step-item p {
      margin: 0;
      font-size: 0.9rem;
      line-height: 1.75;
      color: var(--muted);
    }

    /* ===== 重点图文区 ===== */
    .feature-cluster {
      position: relative;
      background: #0B3B24;
      color: #fff;
      overflow: hidden;
    }

    .feature-cluster:before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(94deg, rgba(6, 35, 23, 0.96), rgba(10, 59, 36, 0.78)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }

    .feature-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.08fr 0.92fr;
      gap: 2.8rem;
      align-items: center;
    }

    @media (max-width: 1024px) {
      .feature-grid {
        grid-template-columns: 1fr;
      }
    }

    .feature-visual {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.24);
      box-shadow: 0 20px 44px rgba(0, 0, 0, 0.32);
    }

    .feature-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .feature-visual .feat-badge {
      position: absolute;
      right: 1rem;
      bottom: 1rem;
      background: var(--accent);
      color: var(--primary-deep);
      font-size: 0.75rem;
      font-weight: 800;
      padding: 0.4rem 0.9rem;
      border-radius: 999px;
      letter-spacing: 0.02em;
    }

    .feature-copy h2 {
      font-size: clamp(1.7rem, 2.5vw, 2.5rem);
      line-height: 1.3;
      margin-bottom: 1.1rem;
    }

    .feature-copy>p {
      color: rgba(255, 255, 255, 0.84);
      font-size: 1rem;
      line-height: 1.9;
      margin-bottom: 1.8rem;
      max-width: 560px;
    }

    .feature-points {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 0.8rem;
    }

    .feature-points li {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 14px;
      padding: 0.8rem 1.1rem;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.94);
      font-size: 0.92rem;
    }

    .feature-points li i {
      color: var(--accent);
      width: 20px;
      text-align: center;
    }

    /* ===== 多行文本列表区 ===== */
    .item-list-section {
      background: var(--surface);
    }

    .notice-list {
      border-top: 1px solid var(--line);
    }

    .notice-row {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 1.5rem;
      align-items: start;
      padding: 1.7rem 0;
      border-bottom: 1px solid var(--line);
      transition: all 0.2s;
    }

    .notice-row:hover {
      background: rgba(20, 83, 45, 0.025);
      padding-inline: 0.5rem;
    }

    .notice-type {
      position: relative;
      display: inline-flex;
      align-items: center;
      align-self: center;
      justify-self: start;
      background: rgba(20, 83, 45, 0.08);
      color: var(--primary);
      padding: 0.35rem 0.9rem;
      border-radius: 999px;
      font-size: 0.78rem;
      font-weight: 700;
    }

    .notice-row:nth-child(even) .notice-type {
      background: rgba(163, 230, 53, 0.22);
    }

    .notice-body h3 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--primary-deep);
      margin-bottom: 0.3rem;
    }

    .notice-body p {
      margin: 0;
      color: var(--muted);
      font-size: 0.94rem;
      line-height: 1.85;
      max-width: 860px;
    }

    @media (max-width: 700px) {
      .notice-row {
        grid-template-columns: 1fr;
        gap: 0.6rem;
      }
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--paper);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 3.4rem;
      align-items: start;
    }

    @media (max-width: 1024px) {
      .faq-wrap {
        grid-template-columns: 1fr;
      }
    }

    .faq-accordion {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .faq-item {
      border-bottom: 1px solid rgba(20, 83, 45, 0.1);
    }

    .faq-item:last-of-type {
      border-bottom: none;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      text-align: left;
      border: none;
      background: transparent;
      padding: 1.1rem 1.3rem;
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--primary-deep);
      cursor: pointer;
      transition: background 0.2s;
    }

    .faq-question:hover {
      background: rgba(20, 83, 45, 0.04);
    }

    .faq-question:focus-visible {
      outline: 2px solid rgba(20, 83, 45, 0.45);
      outline-offset: -2px;
    }

    .faq-question i {
      font-size: 0.88rem;
      color: var(--primary-soft);
      margin-left: 0.8rem;
      flex-shrink: 0;
      transition: transform 0.24s;
    }

    .faq-item.active .faq-question {
      background: rgba(10, 54, 34, 0.03);
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      opacity: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
      padding: 0 1.3rem;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      opacity: 1;
      padding-bottom: 1.1rem;
    }

    .faq-answer p {
      margin: 0;
      font-size: 0.92rem;
      line-height: 1.85;
      color: var(--muted);
    }

    /* ===== 转化表单 ===== */
    .contact-box {
      background: #fff;
      border-top: 1px solid rgba(20, 83, 45, 0.08);
      border-bottom: 1px solid rgba(20, 83, 45, 0.08);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }

    @media (max-width: 768px) {
      .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
      }
    }

    .form-assist h2 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary-deep);
      line-height: 1.3;
      margin-bottom: 0.8rem;
    }

    .form-assist p {
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.85;
      max-width: 420px;
    }

    .form-assist .trust-tip {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.84rem;
      color: var(--primary-soft);
      background: rgba(163, 230, 53, 0.18);
      padding: 0.55rem 1.05rem;
      border-radius: 999px;
      margin-top: 1rem;
    }

    .content-form {
      display: grid;
      gap: 1rem;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 1.8rem;
      box-shadow: var(--shadow-soft);
    }

    .input-group {
      display: flex;
      flex-direction: column;
      gap: 0.36rem;
    }

    .input-group label {
      font-size: 0.86rem;
      font-weight: 700;
      color: var(--primary-deep);
    }

    .input-group input,
    .input-group select {
      height: 48px;
      padding: 0 0.95rem;
      border: 1px solid rgba(20, 83, 45, 0.16);
      border-radius: 12px;
      background: #fff;
      outline: none;
      transition: all 0.2s;
    }

    .input-group textarea {
      padding: 0.8rem 0.95rem;
      border: 1px solid rgba(20, 83, 45, 0.16);
      border-radius: 12px;
      background: #fff;
      min-height: 90px;
      outline: none;
      resize: vertical;
      transition: all 0.2s;
    }

    .input-group input:focus,
    .input-group select:focus,
    .input-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(20, 83, 45, 0.12);
    }

    .submit-primary {
      height: 52px;
      border: none;
      background: var(--accent);
      color: var(--primary-deep);
      font-weight: 800;
      font-size: 0.96rem;
      border-radius: 999px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      transition: all 0.2s ease;
      box-shadow: 0 8px 20px rgba(163, 230, 53, 0.24);
      margin-top: 0.3rem;
    }

    .submit-primary:hover {
      background: #bef45d;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(163, 230, 53, 0.36);
    }

    .submit-primary:active {
      transform: scale(0.98);
    }

    .submit-primary:focus-visible {
      outline: 3px solid rgba(163, 230, 53, 0.55);
      outline-offset: 3px;
    }

    .form-tip {
      font-size: 0.84rem;
      color: var(--muted);
      text-align: center;
      margin: 0;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--primary-deep);
      color: rgba(255, 255, 255, 0.85);
      padding-top: 60px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr 2fr;
      gap: 3rem;
      padding-bottom: 2.4rem;
    }

    @media (max-width: 900px) {
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    .footer-logo {
      font-size: 1.6rem;
      color: #fff;
      font-weight: 800;
    }

    .footer-brand-desc {
      color: rgba(255, 255, 255, 0.64);
      font-size: 0.93rem;
      line-height: 1.8;
      max-width: 360px;
      margin-top: 0.7rem;
    }

    .footer-cols {
      display: grid;
      grid-template-columns: 1fr 1fr 1.4fr;
      gap: 2rem;
    }

    @media (max-width: 600px) {
      .footer-cols {
        grid-template-columns: 1fr;
      }
    }

    .footer-cols h4 {
      color: #fff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 0.8rem;
    }

    .footer-cols a {
      display: block;
      color: rgba(255, 255, 255, 0.62);
      font-size: 0.88rem;
      margin-bottom: 0.55rem;
      transition: color 0.2s, padding-left 0.2s;
    }

    .footer-cols a:hover {
      color: var(--accent);
      padding-left: 3px;
    }

    .footer-cols p {
      color: rgba(255, 255, 255, 0.58);
      font-size: 0.87rem;
      line-height: 1.8;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 1.4rem 0;
    }

    .footer-bottom .container {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.45);
    }

    /* ===== 通用 CTA 区 ===== */
    .bottom-nav {
      display: flex;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      color: var(--primary);
      font-size: 0.9rem;
      font-weight: 700;
    }

    .back-link i {
      transition: transform 0.2s;
    }

    .back-link:hover i {
      transform: translateX(-3px);
    }

    /* focus 状态补充 */
    a:focus-visible {
      outline: 2px solid rgba(20, 83, 45, 0.5);
      outline-offset: 3px;
    }

    ::selection {
      background: rgba(163, 230, 53, 0.45);
      color: var(--primary-deep);
    }