/* ===== 设计变量 ===== */
    :root {
      --primary: #0C4A4E;
      --primary-dark: #0A3E41;
      --accent: #C77700;
      --accent-dark: #A85F00;
      --sand: #F7F3EC;
      --sand-light: #FAF6F0;
      --dark: #172426;
      --line: #E7DED1;
      --text: #2D3436;
      --text-light: #6B7A7B;
      --radius-card: 14px;
      --radius-image: 12px;
      --radius-input: 12px;
      --shadow-card: 0 1px 3px rgba(23, 36, 38, .08);
      --shadow-hover: 0 12px 30px rgba(23, 36, 38, .16);
      --transition: 200ms ease-out;
      --container: 1200px;
    }

    /* ===== Resert ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

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

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: var(--text);
      background: var(--sand);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover {
      color: var(--accent);
    }

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ===== 按钮 ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--accent);
      color: #fff;
      font-weight: 600;
      border: 1px solid transparent;
      border-radius: 9999px;
      padding: 12px 28px;
      cursor: pointer;
      transition: all var(--transition);
      text-decoration: none;
    }
    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
      color: #fff;
    }
    .btn-primary:active {
      transform: scale(.98);
    }
    .btn-primary:focus-visible {
      outline: 3px solid rgba(199, 119, 0, .35);
      outline-offset: 2px;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      font-weight: 600;
      border: 2px solid rgba(255, 255, 255, .75);
      border-radius: 9999px;
      padding: 11px 26px;
      cursor: pointer;
      transition: all var(--transition);
      text-decoration: none;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, .12);
      border-color: #fff;
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-outline:active {
      transform: scale(.98);
    }
    .btn-outline:focus-visible {
      outline: 3px solid rgba(255, 255, 255, .3);
      outline-offset: 2px;
    }

    .btn-outline-dark {
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline-dark:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #fff;
      box-shadow: 0 1px 3px rgba(23, 36, 38, .06);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 16px;
    }

    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #F7F3EC;
    }
    .logo-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 1px;
      white-space: nowrap;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }
    .nav-link {
      display: inline-block;
      padding: 8px 16px;
      border-radius: 9999px;
      font-weight: 500;
      color: var(--text);
      font-size: .95rem;
      transition: all var(--transition);
      text-decoration: none;
    }
    .nav-link:hover {
      background: rgba(12, 74, 78, .06);
      color: var(--primary);
    }
    .nav-link.active {
      background: rgba(12, 74, 78, .1);
      color: var(--primary);
      font-weight: 600;
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .header-search {
      display: flex;
      align-items: center;
      gap: 6px;
      background: var(--sand-light);
      border: 1px solid var(--line);
      border-radius: 9999px;
      padding: 8px 16px;
      width: 200px;
      transition: all var(--transition);
    }
    .header-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(12, 74, 78, .1);
    }
    .header-search input {
      border: none;
      outline: none;
      background: transparent;
      font-size: .875rem;
      width: 100%;
      color: var(--text);
    }
    .header-search input::placeholder {
      color: #9AA6A6;
    }

    .header-cta {
      padding: 10px 20px;
      font-size: .9rem;
    }

    /* 汉堡按钮 */
    .hamburger {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: all var(--transition);
    }
    .hamburger:hover {
      background: var(--sand-light);
    }
    .hamburger svg {
      width: 22px;
      height: 22px;
      stroke: var(--primary);
    }

    /* 移动端抽屉菜单 */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      bottom: 0;
      background: #fff;
      z-index: 99;
      padding: 24px;
      overflow-y: auto;
      box-shadow: 0 12px 30px rgba(23, 36, 38, .12);
    }
    .mobile-menu.open {
      display: block;
    }
    .mobile-menu-list {
      list-style: none;
      margin-bottom: 24px;
    }
    .mobile-menu-list li {
      margin-bottom: 8px;
    }
    .mobile-menu-list a {
      display: block;
      padding: 14px 16px;
      border-radius: 12px;
      font-weight: 600;
      color: var(--text);
      background: var(--sand-light);
    }
    .mobile-menu-list a.active {
      background: rgba(12, 74, 78, .1);
      color: var(--primary);
    }
    .mobile-menu-cta {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      min-height: 600px;
      height: 70vh;
      background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
      display: flex;
      align-items: center;
      overflow: hidden;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(12, 74, 78, .88) 0%, rgba(12, 74, 78, .65) 45%, rgba(12, 74, 78, .35) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      width: 100%;
      padding-top: 60px;
      padding-bottom: 40px;
    }

    .hero-bento {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 24px;
      align-items: stretch;
    }
    .hero-main {
      background: transparent;
      padding: 40px 0;
    }
    .hero-tag {
      display: inline-block;
      background: rgba(255, 255, 255, .15);
      border: 1px solid rgba(255, 255, 255, .3);
      color: #fff;
      padding: 6px 18px;
      border-radius: 9999px;
      font-size: .85rem;
      font-weight: 500;
      margin-bottom: 20px;
      backdrop-filter: blur(4px);
    }
    .hero-main h1 {
      font-size: clamp(2rem, 4vw, 2.75rem);
      font-weight: 800;
      line-height: 1.25;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: .5px;
    }
    .hero-sub {
      font-size: 1.05rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, .92);
      max-width: 640px;
      margin-bottom: 32px;
    }
    .hero-cta {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-block-a,
    .hero-block-b {
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .2);
      border-radius: 18px;
      padding: 28px;
      backdrop-filter: blur(8px);
      display: flex;
      flex-direction: column;
      justify-content: center;
      transition: all var(--transition);
    }
    .hero-block-a:hover,
    .hero-block-b:hover {
      background: rgba(255, 255, 255, .16);
      transform: translateY(-4px);
    }
    .hero-block-a h4,
    .hero-block-b h4 {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .hero-block-a p,
    .hero-block-b p {
      color: rgba(255, 255, 255, .85);
      font-size: .9rem;
      line-height: 1.6;
    }
    .hero-block-icon {
      margin-bottom: 12px;
    }

    /* 指标看板 */
    .metrics-wrap {
      position: relative;
      z-index: 3;
      margin-top: -70px;
      padding-bottom: 40px;
    }
    .metrics-board {
      background: #fff;
      border-radius: 16px;
      box-shadow: 0 12px 30px rgba(23, 36, 38, .12);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border: 1px solid var(--line);
      overflow: hidden;
    }
    .metric-item {
      padding: 28px 24px;
      text-align: center;
      border-right: 1px solid var(--line);
    }
    .metric-item:last-child {
      border-right: none;
    }
    .metric-num {
      font-family: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--primary);
      display: block;
      line-height: 1.2;
    }
    .metric-unit {
      font-size: 1rem;
      font-weight: 600;
      color: var(--accent);
      margin-left: 2px;
    }
    .metric-label {
      font-size: .9rem;
      color: var(--text-light);
      display: block;
      margin-top: 6px;
    }
    .metric-trend {
      display: inline-block;
      font-size: .8rem;
      color: #2E8B57;
      margin-top: 4px;
    }

    /* ===== Section 通用 ===== */
    .section {
      padding: 96px 0;
    }
    .section-alt {
      background: #fff;
    }
    .section-sand {
      background: var(--sand);
    }
    .section-title-wrap {
      margin-bottom: 48px;
      max-width: 720px;
    }
    .section-tag {
      display: inline-block;
      background: rgba(12, 74, 78, .08);
      color: var(--primary);
      font-size: .85rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 9999px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 800;
      color: var(--dark);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-light);
      line-height: 1.7;
    }

    /* ===== 服务矩阵 ===== */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .matrix-card-img {
      position: relative;
      overflow: hidden;
    }
    .matrix-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 300ms ease-out;
    }
    .matrix-card:hover .matrix-card-img img {
      transform: scale(1.04);
    }
    .matrix-card-lg {
      grid-column: span 8;
    }
    .matrix-card-sm {
      grid-column: span 4;
    }
    .matrix-card-sm2 {
      grid-column: span 4;
    }
    .matrix-card-lg2 {
      grid-column: span 8;
    }
    .matrix-card-img-lg {
      height: 260px;
    }
    .matrix-card-img-sm {
      height: 180px;
    }
    .matrix-card-body {
      padding: 20px 24px 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .matrix-card-badge {
      display: inline-block;
      background: rgba(199, 119, 0, .1);
      color: var(--accent);
      font-size: .8rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 12px;
      align-self: flex-start;
    }
    .matrix-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
      transition: color var(--transition);
    }
    .matrix-card:hover h3 {
      color: var(--accent);
    }
    .matrix-card p {
      font-size: .925rem;
      color: var(--text-light);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .matrix-card-link {
      font-weight: 600;
      font-size: .9rem;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .matrix-card-link:hover {
      color: var(--accent);
    }

    /* ===== 入口矩阵 ===== */
    .entry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .entry-card {
      background: var(--sand-light);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 28px 22px;
      text-align: center;
      transition: all var(--transition);
      text-decoration: none;
    }
    .entry-card:hover {
      background: #fff;
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: rgba(12, 74, 78, .2);
    }
    .entry-card-icon {
      width: 52px;
      height: 52px;
      margin: 0 auto 14px;
      background: rgba(12, 74, 78, .08);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      transition: all var(--transition);
    }
    .entry-card:hover .entry-card-icon {
      background: var(--primary);
      color: #fff;
    }
    .entry-card h4 {
      font-weight: 700;
      font-size: 1rem;
      color: var(--dark);
      margin-bottom: 6px;
    }
    .entry-card p {
      font-size: .85rem;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* ===== 结果对比 ===== */
    .compare-wrap {
      background: var(--dark);
      border-radius: 20px;
      padding: 56px 48px;
      position: relative;
      overflow: hidden;
    }
    .compare-wrap::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -80px;
      width: 200px;
      height: 200px;
      background: rgba(12, 74, 78, .4);
      border-radius: 50%;
    }
    .compare-title {
      color: #fff;
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 800;
      margin-bottom: 8px;
    }
    .compare-desc {
      color: rgba(255, 255, 255, .7);
      margin-bottom: 36px;
    }
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .compare-col {
      border-radius: 16px;
      padding: 32px;
      position: relative;
    }
    .compare-col-wrong {
      background: rgba(220, 100, 90, .08);
      border: 1px solid rgba(220, 100, 90, .2);
    }
    .compare-col-right {
      background: rgba(60, 150, 100, .08);
      border: 1px solid rgba(60, 150, 100, .2);
    }
    .compare-col-title {
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .compare-col-wrong .compare-col-title {
      color: #E4817A;
    }
    .compare-col-right .compare-col-title {
      color: #6BBF9A;
    }
    .compare-list {
      list-style: none;
    }
    .compare-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .06);
      color: rgba(255, 255, 255, .85);
      font-size: .95rem;
    }
    .compare-list li:last-child {
      border-bottom: none;
    }
    .compare-icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-top: 2px;
    }
    .compare-icon-wrong {
      background: rgba(220, 100, 90, .2);
      color: #E4817A;
    }
    .compare-icon-right {
      background: rgba(60, 150, 100, .2);
      color: #6BBF9A;
    }
    .compare-data-note {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      font-size: .85rem;
      color: rgba(255, 255, 255, .45);
    }

    /* ===== 焦点主题 ===== */
    .topic-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .topic-card {
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      padding: 32px 28px;
      transition: all var(--transition);
    }
    .topic-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .topic-icon {
      width: 48px;
      height: 48px;
      background: rgba(12, 74, 78, .08);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--primary);
    }
    .topic-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
    }
    .topic-card p {
      font-size: .9rem;
      color: var(--text-light);
      line-height: 1.65;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 48px;
    }
    .faq-left {
      position: sticky;
      top: 100px;
      align-self: flex-start;
    }
    .faq-items {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: all var(--transition);
    }
    .faq-item.open {
      border-left: 3px solid var(--primary);
      box-shadow: var(--shadow-hover);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 18px 24px;
      cursor: pointer;
      min-height: 44px;
      font-weight: 700;
      color: var(--dark);
      font-size: .98rem;
      background: none;
      border: none;
      width: 100%;
      text-align: left;
      transition: all var(--transition);
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-question:focus-visible {
      outline: 3px solid rgba(12, 74, 78, .25);
      outline-offset: -2px;
      border-radius: 12px;
    }
    .faq-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(12, 74, 78, .08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .8rem;
      color: var(--primary);
      transition: transform 200ms ease-out;
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 300ms ease-out, padding 300ms ease-out, opacity 200ms ease-out;
      opacity: 0;
      padding: 0 24px;
      font-size: .925rem;
      line-height: 1.7;
      color: var(--text-light);
    }
    .faq-item.open .faq-answer {
      max-height: 500px;
      padding: 0 24px 20px;
      opacity: 1;
    }

    /* ===== 资讯区 ===== */
    .news-wrap {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 32px;
    }
    .news-list {
      list-style: none;
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }
    .news-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 20px 24px;
      border-bottom: 1px solid var(--line);
      transition: background var(--transition);
    }
    .news-item:last-child {
      border-bottom: none;
    }
    .news-item:hover {
      background: var(--sand-light);
    }
    .news-item-left {
      min-width: 0;
    }
    .news-item h4 {
      font-size: .98rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 4px;
      transition: color var(--transition);
      line-height: 1.4;
      overflow: hidden;
      text-overflow: ellipsis;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
    }
    .news-item:hover h4 {
      color: var(--accent);
    }
    .news-item p {
      font-size: .85rem;
      color: var(--text-light);
      line-height: 1.5;
      overflow: hidden;
      text-overflow: ellipsis;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
    }
    .news-item-date {
      flex-shrink: 0;
      font-size: .8rem;
      color: #9AA6A6;
      background: var(--sand-light);
      padding: 4px 12px;
      border-radius: 9999px;
      white-space: nowrap;
    }

    .news-side {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .news-side-card {
      background: #fff;
      border-radius: var(--radius-card);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      padding: 24px;
    }
    .news-side-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--line);
    }
    .news-side-list {
      list-style: none;
    }
    .news-side-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--line);
    }
    .news-side-list li:last-child {
      border-bottom: none;
    }
    .news-side-list a {
      font-size: .9rem;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .news-side-list a::before {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      flex-shrink: 0;
    }
    .news-side-list a:hover {
      color: var(--accent);
    }

    /* ===== 转化表单 ===== */
    .cta-wrap {
      background: linear-gradient(120deg, #0C4A4E 0%, #0A3E41 100%);
      border-radius: 24px;
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
    }
    .cta-left h2 {
      color: #fff;
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-left p {
      color: rgba(255, 255, 255, .85);
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-contact {
      list-style: none;
    }
    .cta-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, .75);
      font-size: .9rem;
      padding: 10px 0;
    }
    .cta-contact .icon {
      width: 36px;
      height: 36px;
      background: rgba(255, 255, 255, .1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }

    .cta-form-card {
      background: #fff;
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, .2);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-weight: 600;
      font-size: .9rem;
      color: var(--dark);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: var(--radius-input);
      padding: 12px 16px;
      font-size: .95rem;
      background: var(--sand-light);
      transition: all var(--transition);
      outline: none;
    }
    .form-control:focus {
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(12, 74, 78, .1);
    }
    .form-control.error {
      border-color: #D9534F;
      box-shadow: 0 0 0 3px rgba(217, 83, 79, .1);
    }
    .form-control:disabled {
      background: #F0EDE7;
      cursor: not-allowed;
      opacity: .7;
    }
    select.form-control {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230C4A4E' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 40px;
    }
    .form-btn {
      width: 100%;
      margin-top: 6px;
    }
    .form-error-msg {
      font-size: .8rem;
      color: #D9534F;
      margin-top: 4px;
      display: none;
    }
    .form-error-msg.show {
      display: block;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, .7);
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
    }
    .footer-brand .logo-text {
      color: #fff;
      margin-bottom: 12px;
    }
    .footer-brand-desc {
      font-size: .9rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, .55);
      margin-bottom: 16px;
    }
    .footer-icp {
      font-size: .8rem;
      color: rgba(255, 255, 255, .35);
    }
    .footer-h {
      font-weight: 700;
      font-size: 1rem;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, .6);
      font-size: .9rem;
      transition: all var(--transition);
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact {
      list-style: none;
      font-size: .88rem;
    }
    .footer-contact li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-qr {
      margin-top: 16px;
      width: 96px;
      height: 96px;
      background: rgba(255, 255, 255, .08);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, .4);
      font-size: .8rem;
      text-align: center;
      line-height: 1.4;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 20px 0;
      text-align: center;
      font-size: .85rem;
      color: rgba(255, 255, 255, .4);
    }

    /* ===== 响应式断点 ===== */
    @media (max-width: 1023px) {
      .nav-list {
        display: none;
      }
      .header-search {
        width: 150px;
      }
      .hamburger {
        display: flex;
      }

      .hero-bento {
        grid-template-columns: 1fr;
      }
      .hero-block-a,
      .hero-block-b {
        min-height: auto;
        padding: 20px 24px;
      }

      .metrics-board {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 0;
      }
      .metric-item:nth-child(2) {
        border-right: none;
      }
      .metric-item:nth-child(1),
      .metric-item:nth-child(2) {
        border-bottom: 1px solid var(--line);
      }

      .matrix-card-lg,
      .matrix-card-sm,
      .matrix-card-sm2,
      .matrix-card-lg2 {
        grid-column: span 12;
      }
      .matrix-card-img-lg,
      .matrix-card-img-sm {
        height: 220px;
      }

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

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

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

      .faq-wrap {
        grid-template-columns: 1fr;
      }
      .faq-left {
        position: static;
      }

      .news-wrap {
        grid-template-columns: 1fr;
      }

      .cta-wrap {
        grid-template-columns: 1fr;
        padding: 40px 32px;
      }

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

    @media (max-width: 767px) {
      .section {
        padding: 64px 0;
      }
      .header-inner {
        height: 64px;
      }
      .logo-text {
        font-size: 1.1rem;
      }
      .header-search {
        display: none;
      }
      .header-cta {
        display: none;
      }

      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .hero {
        min-height: 560px;
        height: 60vh;
      }
      .hero-main {
        padding: 24px 0;
      }
      .hero-sub {
        font-size: .95rem;
      }
      .hero-cta {
        flex-direction: column;
        align-items: flex-start;
      }
      .hero-cta .btn-primary,
      .hero-cta .btn-outline {
        width: 100%;
      }

      .metrics-wrap {
        margin-top: 0;
        margin-bottom: 32px;
      }
      .metrics-board {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-num {
        font-size: 1.7rem;
      }

      .matrix-card-img-lg,
      .matrix-card-img-sm {
        height: 180px;
      }

      .entry-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
      }
      .entry-card {
        padding: 18px 14px;
      }
      .entry-card-icon {
        width: 40px;
        height: 40px;
      }
      .entry-card h4 {
        font-size: .9rem;
      }

      .compare-wrap {
        padding: 32px 20px;
        border-radius: 16px;
      }
      .compare-col {
        padding: 20px;
      }

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

      .faq-question {
        padding: 16px 18px;
        font-size: .92rem;
      }
      .faq-answer {
        padding: 0 18px;
      }

      .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding: 16px 18px;
      }
      .news-item-date {
        font-size: .75rem;
      }

      .cta-wrap {
        padding: 32px 20px;
        border-radius: 16px;
      }
      .cta-form-card {
        padding: 24px 20px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 520px) {
      .entry-grid {
        grid-template-columns: 1fr;
      }
      .metrics-board {
        grid-template-columns: 1fr;
      }
      .metric-item {
        border-right: none;
        border-bottom: 1px solid var(--line);
        padding: 20px 16px;
      }
      .metric-item:last-child {
        border-bottom: none;
      }
      .section-title {
        font-size: 1.4rem;
      }
    }

/* ===== 设计变量 ===== */
:root {
  --primary: #0C4A4E;
  --primary-dark: #0A3E41;
  --accent: #C77700;
  --accent-dark: #A85F00;
  --sand: #F7F3EC;
  --sand-light: #FAF6F0;
  --dark: #172426;
  --line: #E7DED1;
  --text: #2D3436;
  --text-light: #6B7A7B;
  --radius-card: 14px;
  --radius-image: 12px;
  --radius-input: 12px;
  --shadow-card: 0 1px 3px rgba(23, 36, 38, .08);
  --shadow-hover: 0 12px 30px rgba(23, 36, 38, .16);
  --transition: 200ms ease-out;
  --container: 1200px;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--sand);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--accent);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}
/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 9999px;
  padding: 12px 28px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: #fff;
}
.btn-primary:active {
  transform: scale(.98);
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(199, 119, 0, .35);
  outline-offset: 2px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,.75);
  border-radius: 9999px;
  padding: 11px 26px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: scale(.98);
}
.btn-outline:focus-visible {
  outline: 3px solid rgba(255,255,255,.3);
  outline-offset: 2px;
}
.btn-outline-dark {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 3px rgba(23,36,38,.06);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #F7F3EC;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  white-space: nowrap;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 9999px;
  font-weight: 500;
  color: var(--text);
  font-size: .95rem;
  transition: all var(--transition);
  text-decoration: none;
}
.nav-link:hover {
  background: rgba(12,74,78,.06);
  color: var(--primary);
}
.nav-link.active {
  background: rgba(12,74,78,.1);
  color: var(--primary);
  font-weight: 600;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--sand-light);
  border: 1px solid var(--line);
  border-radius: 9999px;
  padding: 8px 16px;
  width: 200px;
  transition: all var(--transition);
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(12,74,78,.1);
}
.header-search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: .875rem;
  width: 100%;
  color: var(--text);
}
.header-search input::placeholder {
  color: #9AA6A6;
}
.header-cta {
  padding: 10px 20px;
  font-size: .9rem;
}
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.hamburger:hover {
  background: var(--sand-light);
}
.hamburger svg {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
  box-shadow: 0 12px 30px rgba(23,36,38,.12);
}
.mobile-menu.open {
  display: block;
}
.mobile-menu-list {
  list-style: none;
  margin-bottom: 24px;
  padding: 0;
}
.mobile-menu-list li {
  margin-bottom: 8px;
}
.mobile-menu-list a {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--text);
  background: var(--sand-light);
  text-decoration: none;
}
.mobile-menu-list a.active {
  background: rgba(12,74,78,.1);
  color: var(--primary);
}
.mobile-menu-cta {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
}
/* ===== 通用区块 ===== */
.section {
  padding-top: 96px;
  padding-bottom: 96px;
}
@media (max-width: 767px) {
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}
.section-label {
  display: inline-block;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 640px;
  line-height: 1.7;
}
/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 600px;
  height: 70vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(120deg, rgba(12,74,78,.92) 0%, rgba(12,74,78,.72) 45%, rgba(23,36,38,.35) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
}
.hero-content {
  max-width: 640px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 9999px;
  padding: 6px 16px;
  font-size: .875rem;
  font-weight: 500;
  color: #F7F3EC;
  margin-bottom: 24px;
}
.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #fff;
}
.hero-sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
/* ===== 指标看板 ===== */
.stats-panel {
  position: relative;
  z-index: 5;
  margin-top: -56px;
}
.stats-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(23,36,38,.12);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border: 1px solid rgba(231,222,209,.6);
}
.stat-item {
  text-align: left;
  padding-right: 24px;
  border-right: 1px solid var(--line);
}
.stat-item:last-child {
  border-right: none;
  padding-right: 0;
}
.stat-num {
  font-family: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}
.stat-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-left: 4px;
}
.stat-tag {
  font-size: .875rem;
  color: var(--text-light);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.stat-tag .trend-up {
  color: #14805A;
  font-weight: 600;
}
.stat-tag .trend-down {
  color: var(--text-light);
}
@media (max-width: 767px) {
  .stats-card {
    grid-template-columns: repeat(2, 1fr);
    padding: 24px;
    gap: 16px;
  }
  .stat-item {
    border-right: none;
    padding-right: 0;
    padding: 12px;
    background: var(--sand-light);
    border-radius: 12px;
  }
  .stat-tag {
    font-size: .75rem;
    flex-wrap: wrap;
  }
}
/* ===== 服务矩阵卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid rgba(231,222,209,.5);
  text-decoration: none;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  color: inherit;
}
.feature-card:hover .feature-img img {
  transform: scale(1.05);
}
.feature-card:hover .feature-title {
  color: var(--accent);
}
.feature-img {
  position: relative;
  overflow: hidden;
  height: 180px;
}
.feature-img.large {
  height: 260px;
}
@media (max-width: 767px) {
  .feature-img,
  .feature-img.large {
    height: 200px;
  }
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease-out;
}
.feature-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 9999px;
  letter-spacing: 1px;
}
.feature-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  transition: color var(--transition);
}
.feature-desc {
  font-size: .925rem;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--primary);
  transition: all var(--transition);
}
.feature-card:hover .feature-link {
  color: var(--accent);
  gap: 10px;
}
.feature-col-2 {
  grid-column: span 2;
}
@media (max-width: 1023px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .feature-col-2 {
    grid-column: span 1;
  }
}
@media (max-width: 767px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-col-2 {
    grid-column: span 1;
  }
  .feature-img,
  .feature-img.large {
    height: 190px;
  }
  .feature-body {
    padding: 20px;
  }
}
/* ===== 对比区块 ===== */
.compare-section {
  background: var(--dark);
  color: #fff;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
}
.compare-col {
  border-radius: var(--radius-card);
  padding: 32px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
}
.compare-col h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.compare-col h3 .icon-box {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  font-weight: 700;
}
.compare-col.wrong h3 .icon-box {
  background: rgba(200,70,70,.2);
  color: #E89696;
}
.compare-col.right h3 .icon-box {
  background: rgba(82,180,140,.2);
  color: #7FC9A8;
}
.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: .95rem;
  line-height: 1.6;
}
.compare-item:last-child {
  border-bottom: none;
}
.compare-item .mark {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  margin-top: 2px;
}
.compare-col.wrong .compare-item .mark {
  background: rgba(200,70,70,.2);
  color: #E89696;
}
.compare-col.right .compare-item .mark {
  background: rgba(82,180,140,.2);
  color: #7FC9A8;
}
.compare-note {
  margin-top: 28px;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 16px;
}
@media (max-width: 767px) {
  .compare-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .compare-col {
    padding: 24px;
  }
}
/* ===== FAQ ===== */
.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.faq-left {
  position: sticky;
  top: 96px;
  align-self: flex-start;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.open {
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  background: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 52px;
  transition: all var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question:focus-visible {
  outline: 3px solid rgba(199,119,0,.3);
  outline-offset: -2px;
}
.faq-question .icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--sand-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
}
.faq-item.open .faq-question .icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(135deg);
}
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: .95rem;
  color: var(--text-light);
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  display: block;
}
@media (max-width: 1023px) {
  .faq-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .faq-left {
    position: static;
  }
}
/* ===== 转化表单 ===== */
.cta-section {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  top: -80px;
  right: -80px;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(199,119,0,.12);
  bottom: 40px;
  left: 30%;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  position: relative;
  z-index: 2;
}
.cta-left h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 20px;
}
.cta-left p {
  color: rgba(255,255,255,.75);
  line-height: 1.8;
  margin-bottom: 16px;
}
.cta-left .contact-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.65);
  font-size: .925rem;
  margin-top: 8px;
}
.cta-left .contact-line svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
}
.cta-form {
  background: #fff;
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 16px 48px rgba(0,0,0,.25);
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-input);
  font-size: .95rem;
  color: var(--text);
  background: var(--sand-light);
  transition: all var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(12,74,78,.1);
}
.form-control.error {
  border-color: #C04040;
  box-shadow: 0 0 0 4px rgba(192,64,64,.1);
}
.form-control:disabled {
  background: rgba(231,222,209,.5);
  color: var(--text-light);
  cursor: not-allowed;
}
.form-tip {
  font-size: .8rem;
  color: var(--text-light);
  margin-top: 6px;
}
.error-msg {
  font-size: .8rem;
  color: #C04040;
  margin-top: 4px;
  display: none;
}
.form-control.error + .error-msg {
  display: block;
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236B7A7B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
textarea.form-control {
  min-height: 100px;
  resize: vertical;
}
.btn-submit {
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
}
@media (max-width: 1023px) {
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
@media (max-width: 767px) {
  .cta-form {
    padding: 24px;
  }
}
/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  padding-top: 64px;
  font-size: .9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo-wrap {
  margin-bottom: 16px;
}
.footer-brand-desc {
  font-size: .85rem;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
  margin-bottom: 16px;
}
.footer-icp {
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}
.footer-h {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255,255,255,.65);
  font-size: .875rem;
  transition: all var(--transition);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: .875rem;
  color: rgba(255,255,255,.65);
}
.footer-contact li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-qr {
  margin-top: 16px;
  width: 112px;
  height: 112px;
  background: rgba(255,255,255,.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  color: rgba(255,255,255,.4);
  border: 1px dashed rgba(255,255,255,.2);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 24px;
  }
  .site-footer {
    padding-top: 48px;
  }
}
/* ===== 响应式导航 ===== */
@media (max-width: 1100px) {
  .nav-list {
    display: none;
  }
}
@media (max-width: 767px) {
  .header-search {
    display: none;
  }
  .header-cta {
    padding: 10px 16px;
    font-size: .85rem;
  }
  .hamburger {
    display: flex;
  }
  .logo-text {
    font-size: 1rem;
  }
}
@media (min-width: 768px) and (max-width: 1100px) {
  .hamburger {
    display: flex;
  }
}
/* ===== 通用工具 ===== */
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.bg-sand { background: var(--sand); }
.bg-white { background: #fff; }
.border-line { border-color: var(--line); }
.rounded-card { border-radius: var(--radius-card); }
.shadow-card { box-shadow: var(--shadow-card); }
.shadow-hover { box-shadow: var(--shadow-hover); }