* { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "SimSun", serif;
    color: #333;
    background: #faf7f0;
    line-height: 1.6;
  }
  a { text-decoration: none; color: inherit; }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

  /* ===== 导航栏 ===== */
  .navbar {
    background: linear-gradient(90deg, #6e1212 0%, #8b1a1a 100%);
    color: #fff;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid #c9a962;
    box-shadow: 0 2px 10px rgba(139,26,26,0.2);
  }
  .nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .logo {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
    color: #f5d68a;
  }
  .logo span { color: #fff; font-size: 14px; margin-left: 8px; font-weight: normal; }
  .nav-menu { display: flex; gap: 32px; font-size: 15px; }
  .nav-menu a:hover { color: #f5d68a; transition: .2s; }
  /* 汉堡按钮（桌面端默认隐藏） */
  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
  }
  .nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #f5d68a;
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
  }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ===== Hero 主视觉 ===== */
  .hero {
    background:
      radial-gradient(circle at 20% 30%, rgba(245,214,138,0.15) 0%, transparent 50%),
      radial-gradient(circle at 80% 70%, rgba(245,214,138,0.1) 0%, transparent 50%),
      linear-gradient(135deg, #8b1a1a 0%, #6e1212 100%);
    color: #fff;
    padding: 70px 0 80px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f5d68a' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
  }
  .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
  }
  .hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
    color: #f5d68a;
    letter-spacing: 4px;
    font-weight: normal;
  }
  .hero .subtitle {
    font-size: 18px;
    color: #f0e6d2;
    margin-bottom: 40px;
    letter-spacing: 1px;
  }
  .hero-form {
    max-width: 560px;
    margin: 0 auto;
    background: #fdfaf3;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  }
  .form-title {
    color: #8b1a1a;
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: bold;
  }
  .hero-tips {
    margin-top: 16px;
    font-size: 13px;
    color: #d4c4a0;
  }

  /* ===== 嵌入表单主题覆盖（对齐站点朱砂红+金色系） ===== */
  /* 日历弹层在屏幕中间弹出（需比远程CSS优先级更高） */
  div.qm-ceshi-gear-date div.qm-ceshi-date-ctrl {
    top: 50% !important;
    bottom: auto !important;
    transform: translateY(-50%) !important;
  }
  /* PC端日历弹层宽度与表单卡片对齐（hero-form 为 560px） */
  @media (min-width: 901px) {
    div.qm-ceshi-gear-date div.qm-ceshi-date-ctrl {
      width: 560px !important;
      max-width: 560px !important;
    }
  }
  #qmCeshiAd {
    background-color: transparent !important;
    color: #5a3a0a !important;
    margin-top: 0 !important;
    font-size: 15px !important;
  }
  #qmCeshiAd .qm-ceshi-tabs {
    border-bottom-color: #e8dcc5 !important;
  }
  #qmCeshiAd .qm-ceshi-tab {
    color: #8b7355 !important;
  }
  #qmCeshiAd .qm-ceshi-tab-on {
    color: #8b1a1a !important;
    border-bottom-color: #8b1a1a !important;
  }
  #qmCeshiAd .qm-ceshi-box {
    border-color: #e8dcc5 !important;
    background: #fffdf8;
  }
  #qmCeshiAd .qm-ceshi-label {
    color: #8b1a1a !important;
    font-weight: normal !important;
  }
  #qmCeshiAd .qm-ceshi-row {
    border-bottom-color: #f0e6d2 !important;
  }
  #qmCeshiAd .qm-ceshi-opt::before {
    border-color: #c9a962 !important;
    background-color: #fffdf8 !important;
  }
  #qmCeshiAd .qm-ceshi-opt-on::after {
    background-color: #8b1a1a !important;
  }
  #qmCeshiAd .qm-ceshi-submit {
    background: linear-gradient(90deg, #c9a962 0%, #e0c682 100%) !important;
    color: #5a3a0a !important;
    font-weight: bold !important;
    letter-spacing: 2px;
    height: 46px !important;
    line-height: 46px !important;
    transition: all .3s;
  }
  #qmCeshiAd .qm-ceshi-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201,169,98,0.4);
  }

  /* ===== 轮播图 ===== */
  .banner-section {
    padding: 60px 0 20px;
    background: #fff;
  }
  .banner-swiper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(139,26,26,0.12);
  }
  .banner-track {
    display: flex;
    transition: transform .5s ease;
  }
  .banner-slide {
    flex: 0 0 100%;
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    background: #6e1212; /* 图片加载前的占位底色 */
  }
  .banner-slide img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner-dots {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
  }
  .banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all .3s;
  }
  .banner-dot.on {
    background: #f5d68a;
    width: 26px;
    border-radius: 5px;
  }
  .banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0,0,0,0.25);
    color: #f5d68a;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: all .2s;
    user-select: none;
  }
  .banner-arrow:hover { background: rgba(139,26,26,0.6); }
  .banner-prev { left: 16px; }
  .banner-next { right: 16px; }

  /* ===== 服务特色 ===== */
  .features {
    padding: 60px 0;
    background: #fff;
  }
  .section-title {
    text-align: center;
    margin-bottom: 40px;
  }
  .section-title h2 {
    font-size: 30px;
    color: #8b1a1a;
    margin-bottom: 10px;
    letter-spacing: 2px;
  }
  .section-title p {
    color: #888;
    font-size: 14px;
  }
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .feature-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 10px;
    background: #faf7f0;
    border: 1px solid #f0e6d2;
    transition: all .3s;
  }
  .feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139,26,26,0.1);
    border-color: #c9a962;
  }
  .feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #8b1a1a, #a82b2b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f5d68a;
    font-size: 24px;
  }
  .feature-card h3 {
    font-size: 18px;
    color: #8b1a1a;
    margin-bottom: 8px;
  }
  .feature-card p {
    font-size: 13px;
    color: #777;
    line-height: 1.7;
  }

  /* ===== 起名功能区 ===== */
  .services {
    padding: 70px 0;
    background: #faf7f0;
  }
  .service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .service-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #f0e6d2;
    transition: all .3s;
  }
  .service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(139,26,26,0.12);
  }
  .service-header {
    padding: 24px;
    background: linear-gradient(135deg, #8b1a1a 0%, #a82b2b 100%);
    color: #f5d68a;
  }
  .service-header h3 {
    font-size: 22px;
    margin-bottom: 6px;
  }
  .service-header .tag {
    display: inline-block;
    background: rgba(245,214,138,0.2);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    color: #f5d68a;
  }
  .service-body {
    padding: 24px;
  }
  .service-body ul {
    list-style: none;
    margin-bottom: 20px;
  }
  .service-body li {
    padding: 8px 0;
    font-size: 14px;
    color: #555;
    border-bottom: 1px dashed #f0e6d2;
  }
  .service-body li:last-child { border: none; }
  .service-body li::before {
    content: "✓";
    color: #c9a962;
    margin-right: 8px;
    font-weight: bold;
  }
  .btn-service {
    display: block;
    text-align: center;
    padding: 12px;
    background: #fff;
    color: #8b1a1a;
    border: 1px solid #8b1a1a;
    border-radius: 6px;
    font-size: 15px;
    font-weight: bold;
    transition: all .2s;
  }
  .btn-service:hover {
    background: #8b1a1a;
    color: #f5d68a;
  }

  /* ===== 起名流程 ===== */
  .process {
    padding: 70px 0;
    background: #fff;
  }
  .process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
  }
  .process-steps::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: #f0e6d2;
    z-index: 0;
  }
  .step-item {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 1;
  }
  .step-num {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: #fff;
    border: 3px solid #c9a962;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #8b1a1a;
    font-weight: bold;
  }
  .step-item h4 {
    font-size: 17px;
    color: #333;
    margin-bottom: 6px;
  }
  .step-item p {
    font-size: 13px;
    color: #888;
  }

  /* ===== 起名知识 ===== */
  .knowledge {
    padding: 70px 0;
    background: #faf7f0;
  }
  .knowledge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .knowledge-card {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    border: 1px solid #f0e6d2;
    transition: all .3s;
  }
  .knowledge-card:hover {
    border-color: #c9a962;
  }
  .knowledge-card h4 {
    color: #8b1a1a;
    font-size: 18px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0e6d2;
  }
  .knowledge-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 12px;
  }

  /* ===== 常见问题 FAQ ===== */
  .faq {
    padding: 70px 0;
    background: #fff;
  }
  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }
  .faq-item {
    border: 1px solid #f0e6d2;
    border-radius: 10px;
    margin-bottom: 14px;
    overflow: hidden;
    background: #fdfaf3;
  }
  .faq-q {
    width: 100%;
    text-align: left;
    padding: 18px 22px;
    font-size: 16px;
    color: #8b1a1a;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
    font-weight: bold;
  }
  .faq-q .faq-icon {
    flex-shrink: 0;
    margin-left: 16px;
    color: #c9a962;
    font-size: 20px;
    transition: transform .3s;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }
  .faq-a p {
    padding: 0 22px 18px;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
  }
  .faq-a .faq-more {
    display: inline-block;
    margin: 0 22px 18px;
    font-size: 14px;
    color: #c9a962;
    transition: color .2s;
  }
  .faq-a .faq-more:hover { color: #8b1a1a; }

  /* ===== CTA 底部转化 ===== */
  .cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #8b1a1a 0%, #6e1212 100%);
    color: #fff;
    text-align: center;
  }
  .cta-section h2 {
    font-size: 32px;
    color: #f5d68a;
    margin-bottom: 12px;
    letter-spacing: 2px;
  }
  .cta-section p {
    color: #f0e6d2;
    margin-bottom: 30px;
    font-size: 16px;
  }
  .cta-btn {
    display: inline-block;
    padding: 16px 50px;
    background: linear-gradient(90deg, #c9a962 0%, #e0c682 100%);
    color: #5a3a0a;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 2px;
    transition: all .3s;
  }
  .cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(201,169,98,0.4);
  }

  /* ===== 页脚 ===== */
  .footer {
    background: #2b1010;
    color: #998877;
    padding: 40px 0 20px;
    font-size: 13px;
  }
  .footer-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 30px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .footer h5 {
    color: #c9a962;
    font-size: 15px;
    margin-bottom: 16px;
  }
  .footer ul { list-style: none; }
  .footer li { margin-bottom: 8px; }
  .footer a:hover { color: #f5d68a; }
  .footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #3d2020;
    color: #665544;
    line-height: 1.8;
  }
  .beian { margin-top: 6px; }
  .beian a { color: #665544; transition: color .2s; }
  .beian a:hover { color: #c9a962; }

  /* ===== 移动端吸底转化栏 ===== */
  .fixed-bottom-bar {
    display: none;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    z-index: 999;
    background: #fff;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 10px 16px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
    gap: 12px;
    align-items: center;
  }
  .fixed-bottom-bar .left-text {
    flex: 1;
    font-size: 13px;
    color: #666;
    line-height: 1.3;
  }
  .fixed-bottom-bar .left-text strong {
    color: #8b1a1a;
    font-size: 15px;
    display: block;
    margin-bottom: 2px;
  }
  .fixed-bottom-btn {
    flex-shrink: 0;
    min-width: 140px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    background: linear-gradient(90deg, #c9a962 0%, #e0c682 100%);
    color: #5a3a0a;
    border-radius: 24px;
    font-weight: bold;
    font-size: 15px;
    letter-spacing: 1px;
  }

  /* ===== 返回顶部按钮 ===== */
  .back-top {
    position: fixed;
    right: 16px;
    bottom: calc(80px + env(safe-area-inset-bottom));
    width: 44px;
    height: 44px;
    background: rgba(139,26,26,0.85);
    color: #f5d68a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all .3s;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  .back-top.show {
    opacity: 1;
    visibility: visible;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 900px) {
    /* 移动端底部预留吸底栏高度 */
    body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
    .nav-toggle { display: flex; }
    .nav-menu {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      flex-direction: column;
      gap: 0;
      background: #6e1212;
      padding: 6px 20px 14px;
      border-bottom: 2px solid #c9a962;
      box-shadow: 0 6px 16px rgba(0,0,0,0.25);
    }
    .nav-menu.open { display: flex; }
    .nav-menu a {
      padding: 13px 0;
      font-size: 16px;
      border-bottom: 1px solid rgba(245,214,138,0.15);
    }
    .nav-menu a:last-child { border-bottom: none; }
    .hero { padding: 40px 0 50px; }
    .hero h1 { font-size: 28px; letter-spacing: 2px; }
    .hero .subtitle { font-size: 15px; margin-bottom: 28px; }
    .hero-form { padding: 22px; }
    .form-title { font-size: 17px; margin-bottom: 16px; }

    .banner-section { padding: 30px 0 10px; }
    .banner-arrow { display: none; }

    .section-title h2 { font-size: 22px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .feature-card { padding: 22px 14px; }
    .feature-icon { width: 52px; height: 52px; font-size: 20px; }
    .feature-card h3 { font-size: 16px; }

    .service-grid { grid-template-columns: 1fr; }
    .knowledge-grid { grid-template-columns: 1fr; }

    .process-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 12px; }
    .process-steps::before { display: none; }
    .step-num { width: 64px; height: 64px; font-size: 22px; }

    .cta-section { padding: 40px 20px; }
    .cta-section h2 { font-size: 22px; }
    .cta-section p { font-size: 14px; margin-bottom: 22px; }
    .cta-btn { padding: 12px 36px; font-size: 15px; }


    /* 移动端显示吸底栏 */
    .fixed-bottom-bar { display: flex; }
    .back-top { bottom: calc(74px + env(safe-area-inset-bottom)); }
  }

  /* ===== 图片懒加载 ===== */
  img[data-src],
  img.lazy-img {
    opacity: 0;
    filter: blur(10px);
    transition: opacity .6s ease, filter .6s ease;
  }
  img[data-src].is-loaded,
  img.lazy-img.is-loaded {
    opacity: 1;
    filter: blur(0);
  }

  .nav-menu a.active { color: #f5d68a; }
  #home, #knowledge, #faq, #name { scroll-margin-top: 72px; }

  /* ===== 详情页 ===== */
  .breadcrumb {
    background: #fff;
    border-bottom: 1px solid #f0e6d2;
    padding: 14px 0;
    font-size: 14px;
    color: #888;
  }
  .breadcrumb a { color: #8b1a1a; transition: color .2s; }
  .breadcrumb a:hover { color: #c9a962; }
  .breadcrumb .sep { margin: 0 8px; color: #d5c8ae; }

  .qa-detail { padding: 10px 0 30px; background: #faf7f0; }
  .qa-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    align-items: start;
  }
  .qa-main {
    background: #fff;
    border: 1px solid #f0e6d2;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 30px rgba(139,26,26,0.05);
  }
  .qa-main h1 {
    font-size: 28px;
    color: #8b1a1a;
    margin-bottom: 16px;
    line-height: 1.45;
    letter-spacing: 1px;
  }
  .qa-meta {
    font-size: 13px;
    color: #999;
    padding-bottom: 20px;
    margin-bottom: 26px;
    border-bottom: 1px dashed #f0e6d2;
  }
  .qa-meta .tag {
    display: inline-block;
    background: rgba(139,26,26,0.08);
    color: #8b1a1a;
    padding: 2px 12px;
    border-radius: 20px;
    margin-right: 10px;
    font-size: 12px;
  }
  .qa-meta .meta-item {
    display: inline-flex;
    align-items: center;
    margin-right: 18px;
    color: #999;
    white-space: nowrap;
  }
  .qa-meta .meta-item svg {
    margin-right: 5px;
    color: #c9a962;
    flex-shrink: 0;
  }
  .qa-meta .author-name {
    color: #8b1a1a;
    font-weight: bold;
  }
  .qa-body h2 {
    font-size: 20px;
    color: #8b1a1a;
    margin: 30px 0 14px;
    padding-left: 12px;
    border-left: 3px solid #c9a962;
    line-height: 1.4;
  }
  .qa-body p {
    font-size: 15px;
    color: #555;
    line-height: 1.95;
    margin-bottom: 14px;
  }
  .qa-tip {
    background: linear-gradient(90deg, #8b1a1a, #a82b2b);
    color: #f0e6d2;
    border-radius: 8px;
    padding: 18px 22px;
    margin: 26px 0 0;
    font-size: 14px;
    line-height: 1.9;
  }
  .qa-tip strong { color: #f5d68a; }

  .side-card {
    background: #fff;
    border: 1px solid #f0e6d2;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
  }
  .side-card.sticky { position: sticky; top: 80px; }
  .side-card h3 {
    font-size: 17px;
    color: #8b1a1a;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0e6d2;
  }
  .side-card ul { list-style: none; }
  .side-card li { margin-bottom: 4px; }
  .side-card li a {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    display: block;
    padding: 8px 0;
    border-bottom: 1px dashed #f0e6d2;
    transition: color .2s, padding-left .2s;
  }
  .side-card li:last-child a { border-bottom: none; }
  .side-card li a:hover { color: #c9a962; padding-left: 6px; }
  .side-card li a::before { content: "问 "; color: #c9a962; font-weight: bold; }

  .side-cta {
    background: linear-gradient(135deg, #8b1a1a 0%, #6e1212 100%);
    border: none;
    text-align: center;
    color: #f0e6d2;
  }
  .side-cta h3 { color: #f5d68a; border-bottom-color: rgba(245,214,138,0.2); }
  .side-cta p { font-size: 13px; color: #f0e6d2; line-height: 1.8; margin-bottom: 16px; }
  .side-cta .cta-btn { font-size: 15px; padding: 12px 30px; }

  .page-404-main {
    padding: 72px 20px 80px;
    text-align: center;
    background: #faf7f0;
  }
  .page-404-main h1 {
    font-size: 26px;
    color: #8b1a1a;
    margin-bottom: 14px;
  }
  .page-404-main p { color: #666; margin-bottom: 20px; }
  .page-404-suggest {
    max-width: 640px;
    margin: 36px auto 0;
    text-align: left;
  }
  .page-404-suggest h2 {
    font-size: 16px;
    color: #8b1a1a;
    margin-bottom: 12px;
  }
  .page-404-suggest ul { padding-left: 20px; line-height: 1.9; }
  .page-404-suggest a { color: #8b1a1a; }
  .page-404-suggest a:hover { color: #c9a962; }

  @media (max-width: 900px) {
    .qa-detail { padding: 20px 0 0; }
    .qa-layout { grid-template-columns: 1fr; gap: 20px; }
    .qa-main { padding: 26px 20px; }
    .qa-main h1 { font-size: 22px; }
    .qa-body h2 { font-size: 18px; }
    .side-card.sticky { position: static; }
  }