/* About static pages */
/* ================================
       关于我们页面样式
       作用域：.llx-about-main
       ================================ */

    .llx-about-main {
      background:
        radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.07), transparent 28%),
        linear-gradient(180deg, #f8fafc 0%, #ffffff 48%, #f8fafc 100%);
    }

    .llx-about-main .llx-about-inner {
      padding: 60px 0 70px;
    }

    .llx-about-main .llx-about-head {
      text-align: center;
      margin-bottom: 34px;
    }

    .llx-about-main .llx-about-title {
      margin: 0;
      color: #0f172a;
      font-size: 40px;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: 0;
    }

    .llx-about-main .llx-about-slogan {
      margin: 14px 0 0;
      color: var(--primary);
      font-size: 22px;
      line-height: 1.5;
      font-weight: 900;
    }

    .llx-about-main .llx-about-summary {
      margin: 18px auto 0;
      max-width: 760px;
      color: #475569;
      font-size: 17px;
      line-height: 1.95;
    }

    .llx-about-main .llx-about-panel {
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 26px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .llx-about-main .llx-about-section {
      padding: 34px 38px;
      border-bottom: 1px solid #edf2f7;
    }

    .llx-about-main .llx-about-section:last-child {
      border-bottom: none;
    }

    .llx-about-main .llx-about-section-title {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 14px;
      color: #0f172a;
      font-size: 22px;
      line-height: 1.4;
      font-weight: 900;
    }

    .llx-about-main .llx-about-section-title::before {
      content: "";
      width: 6px;
      height: 22px;
      border-radius: 999px;
      background: var(--primary);
      flex: 0 0 auto;
    }

    .llx-about-main .llx-about-text {
      margin: 0;
      color: #475569;
      font-size: 16px;
      line-height: 1.95;
    }

    .llx-about-main .llx-about-text + .llx-about-text {
      margin-top: 12px;
    }

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

    .llx-about-main .llx-about-list li {
      display: grid;
      grid-template-columns: 118px 1fr;
      gap: 16px;
      padding: 16px 18px;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      background: #f8fafc;
    }

    .llx-about-main .llx-about-list strong {
      color: #0f172a;
      font-size: 15px;
      font-weight: 900;
      white-space: nowrap;
    }

    .llx-about-main .llx-about-list span {
      color: #64748b;
      font-size: 15px;
      line-height: 1.75;
    }

    .llx-about-main .llx-about-quote {
      margin-top: 18px;
      padding: 24px;
      border-radius: 20px;
      color: #fff;
      background:
        radial-gradient(circle at 92% 12%, rgba(255, 255, 255, 0.18), transparent 30%),
        linear-gradient(135deg, #2563eb, #1d4ed8);
    }

    .llx-about-main .llx-about-quote-title {
      margin: 0;
      font-size: 24px;
      line-height: 1.45;
      font-weight: 900;
    }

    .llx-about-main .llx-about-quote-text {
      margin: 10px 0 0;
      color: rgba(255, 255, 255, 0.86);
      font-size: 15px;
      line-height: 1.85;
    }

    .llx-about-main .llx-about-plan {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 18px;
    }

    .llx-about-main .llx-about-plan-item {
      padding: 18px;
      border: 1px solid #dbeafe;
      border-radius: 18px;
      background: #eff6ff;
    }

    .llx-about-main .llx-about-plan-title {
      margin: 0;
      color: #1e3a8a;
      font-size: 16px;
      font-weight: 900;
    }

    .llx-about-main .llx-about-plan-text {
      margin: 8px 0 0;
      color: #475569;
      font-size: 15px;
      line-height: 1.8;
    }

    .llx-about-main .llx-about-contact {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .llx-about-main .llx-about-contact li {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
      border-bottom: 1px solid #edf2f7;
      font-size: 15px;
    }

    .llx-about-main .llx-about-contact li:last-child {
      border-bottom: none;
    }

    .llx-about-main .llx-about-contact-label {
      color: #64748b;
      white-space: nowrap;
    }

    .llx-about-main .llx-about-contact-value {
      color: #0f172a;
      font-weight: 800;
      text-align: right;
    }

    @media (max-width: 760px) {
      .llx-about-main .llx-about-inner {
        padding: 40px 0 50px;
      }

      .llx-about-main .llx-about-title {
        font-size: 32px;
      }

      .llx-about-main .llx-about-slogan {
        font-size: 20px;
      }

      .llx-about-main .llx-about-summary {
        font-size: 16px;
      }

      .llx-about-main .llx-about-section {
        padding: 26px 22px;
      }

      .llx-about-main .llx-about-list li {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .llx-about-main .llx-about-plan {
        grid-template-columns: 1fr;
      }

      .llx-about-main .llx-about-contact li {
        display: block;
      }

      .llx-about-main .llx-about-contact-value {
        display: block;
        margin-top: 4px;
        text-align: left;
      }
    }

/* ================================
       使用帮助页面样式
       作用域：.llx-help-main
       设计原则：清晰帮助中心 + 常见问题 + 简洁可信
       ================================ */

    .llx-help-main {
      background: #f8fafc;
      padding: 30px 0 46px;
    }

    .llx-help-main .llx-help-hero {
      margin-bottom: 18px;
    }

    .llx-help-main .llx-help-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 0 2px;
      color: #6b7280;
      font-size: 14px;
      line-height: 1.6;
    }

    .llx-help-main .llx-help-breadcrumb a {
      color: #4b5563;
      font-weight: 700;
    }

    .llx-help-main .llx-help-breadcrumb a:hover {
      color: #2563eb;
    }

    .llx-help-main .llx-help-breadcrumb-separator {
      color: #cbd5e1;
      font-weight: 500;
      line-height: 1;
    }

    .llx-help-main .llx-help-breadcrumb strong {
      color: #111827;
      font-weight: 800;
    }

    .llx-help-main .llx-help-layout {
      display: grid;
      grid-template-columns: 230px minmax(0, 1fr);
      gap: 20px;
      margin-top: 22px;
      align-items: start;
    }

    .llx-help-main .llx-help-sidebar {
      position: sticky;
      top: 92px;
      border: 1px solid #e5e7eb;
      border-radius: 16px;
      background: #fff;
      padding: 12px;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
    }

    .llx-help-main .llx-help-sidebar-title {
      padding: 6px 10px 10px;
      color: #111827;
      font-size: 14px;
      font-weight: 900;
    }

    .llx-help-main .llx-help-sidebar a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 36px;
      padding: 0 10px;
      border-radius: 10px;
      color: #4b5563;
      font-size: 14px;
      font-weight: 750;
    }

    .llx-help-main .llx-help-sidebar a:hover,
    .llx-help-main .llx-help-sidebar a.is-active {
      color: #1d4ed8;
      background: #eff6ff;
    }

    .llx-help-main .llx-help-sidebar span {
      color: #cbd5e1;
      font-size: 15px;
    }

    .llx-help-main .llx-help-content {
      min-width: 0;
    }

    .llx-help-main .llx-help-section {
      margin-bottom: 18px;
      border: 1px solid #e5e7eb;
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
      overflow: hidden;
    }

    .llx-help-main .llx-help-section-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding: 22px 24px 18px;
      border-bottom: 1px solid #f1f5f9;
      background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
    }

    .llx-help-main .llx-help-section-title {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0;
      color: #111827;
      font-size: 20px;
      line-height: 1.45;
      font-weight: 900;
    }

    .llx-help-main .llx-help-section-title i {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #eff6ff;
      color: #2563eb;
      font-style: normal;
      font-size: 18px;
      flex: 0 0 auto;
    }

    .llx-help-main .llx-help-section-desc {
      margin: 6px 0 0;
      color: #6b7280;
      font-size: 14px;
      line-height: 1.75;
    }

    .llx-help-main .llx-help-section-tag {
      flex: 0 0 auto;
      height: 28px;
      display: inline-flex;
      align-items: center;
      padding: 0 10px;
      border-radius: 999px;
      background: #f8fafc;
      border: 1px solid #e5e7eb;
      color: #64748b;
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .llx-help-main .llx-help-steps {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      padding: 18px 24px 24px;
    }

    .llx-help-main .llx-help-step {
      min-height: 126px;
      padding: 16px;
      border: 1px solid #edf2f7;
      border-radius: 14px;
      background: #fff;
    }

    .llx-help-main .llx-help-step:hover {
      border-color: #bfdbfe;
      background: #fbfdff;
      box-shadow: 0 10px 22px rgba(37, 99, 235, 0.06);
    }

    .llx-help-main .llx-help-step-num {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #2563eb;
      color: #fff;
      font-size: 13px;
      font-weight: 900;
    }

    .llx-help-main .llx-help-step h3 {
      margin: 12px 0 6px;
      color: #111827;
      font-size: 15px;
      line-height: 1.5;
      font-weight: 900;
    }

    .llx-help-main .llx-help-step p {
      margin: 0;
      color: #6b7280;
      font-size: 13px;
      line-height: 1.75;
    }

    .llx-help-main .llx-help-rule-list {
      padding: 0 24px 24px;
    }

    .llx-help-main .llx-help-rule {
      display: flex;
      gap: 12px;
      padding: 13px 0;
      border-bottom: 1px solid #f1f5f9;
    }

    .llx-help-main .llx-help-rule:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .llx-help-main .llx-help-rule-mark {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #eff6ff;
      color: #2563eb;
      font-size: 13px;
      font-weight: 900;
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .llx-help-main .llx-help-rule strong {
      display: block;
      color: #111827;
      font-size: 15px;
      line-height: 1.6;
    }

    .llx-help-main .llx-help-rule p {
      margin: 2px 0 0;
      color: #6b7280;
      font-size: 14px;
      line-height: 1.75;
    }

    .llx-help-main .llx-help-faq {
      padding: 6px 24px 24px;
    }

    .llx-help-main .llx-help-faq details {
      border-bottom: 1px solid #f1f5f9;
    }

    .llx-help-main .llx-help-faq details:last-child {
      border-bottom: none;
    }

    .llx-help-main .llx-help-faq summary {
      list-style: none;
      position: relative;
      cursor: pointer;
      padding: 16px 34px 16px 0;
      color: #111827;
      font-size: 15px;
      line-height: 1.6;
      font-weight: 900;
    }

    .llx-help-main .llx-help-faq summary::-webkit-details-marker {
      display: none;
    }

    .llx-help-main .llx-help-faq summary::after {
      content: "+";
      position: absolute;
      right: 0;
      top: 15px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #f8fafc;
      color: #64748b;
      font-size: 18px;
      font-weight: 800;
    }

    .llx-help-main .llx-help-faq details[open] summary::after {
      content: "−";
      color: #2563eb;
      background: #eff6ff;
    }

    .llx-help-main .llx-help-faq p {
      margin: -4px 0 16px;
      color: #6b7280;
      font-size: 14px;
      line-height: 1.85;
    }

    .llx-help-main .llx-help-contact-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      margin-top: 22px;
      border: 1px solid #dbeafe;
      border-radius: 18px;
      background: #eff6ff;
      padding: 22px 24px;
    }

    .llx-help-main .llx-help-contact-card h2 {
      margin: 0;
      color: #111827;
      font-size: 20px;
      line-height: 1.45;
      font-weight: 900;
    }

    .llx-help-main .llx-help-contact-card p {
      margin: 8px 0 0;
      color: #4b5563;
      font-size: 14px;
      line-height: 1.85;
    }

    .llx-help-main .llx-help-contact-mail {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 12px;
      border: 1px solid #bfdbfe;
      background: #fff;
      color: #1d4ed8;
      font-size: 14px;
      font-weight: 900;
      white-space: nowrap;
    }

    @media (max-width: 980px) {
      .llx-help-main .llx-help-layout {
        grid-template-columns: 1fr;
      }

      .llx-help-main .llx-help-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px;
      }

      .llx-help-main .llx-help-sidebar-title {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 760px) {
      .llx-help-main {
        padding: 22px 0 34px;
      }


      .llx-help-main .llx-help-section-head {
        padding: 20px 18px 16px;
        flex-direction: column;
      }

      .llx-help-main .llx-help-steps {
        grid-template-columns: 1fr;
        padding: 16px 18px 20px;
      }

      .llx-help-main .llx-help-rule-list,
      .llx-help-main .llx-help-faq {
        padding-left: 18px;
        padding-right: 18px;
      }

      .llx-help-main .llx-help-contact-card {
        grid-template-columns: 1fr;
        padding: 20px 18px;
      }

      .llx-help-main .llx-help-contact-mail {
        justify-content: center;
      }
    }

    @media (max-width: 520px) {
      .llx-help-main .llx-help-sidebar {
        grid-template-columns: 1fr;
      }
    }

/* ================================
       用户协议页面样式
       作用域：.llx-agreement-main
       设计原则：简洁文档型页面
       ================================ */

    .llx-agreement-main {
      background: #f8fafc;
      padding: 34px 0 46px;
    }

    .llx-agreement-main .llx-agreement-paper {
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 6px;
      padding: 42px 48px 48px;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
    }

    .llx-agreement-main .llx-agreement-title {
      margin: 0;
      color: #111827;
      font-size: 30px;
      line-height: 1.35;
      font-weight: 800;
      text-align: center;
    }

    .llx-agreement-main .llx-agreement-meta {
      margin-top: 12px;
      color: #6b7280;
      font-size: 14px;
      line-height: 1.8;
      text-align: center;
    }

    .llx-agreement-main .llx-agreement-content {
      margin-top: 34px;
      color: #333;
      font-size: 15px;
      line-height: 2;
    }

    .llx-agreement-main .llx-agreement-content h2 {
      margin: 30px 0 10px;
      color: #111827;
      font-size: 18px;
      line-height: 1.6;
      font-weight: 800;
    }

    .llx-agreement-main .llx-agreement-content h2:first-child {
      margin-top: 0;
    }

    .llx-agreement-main .llx-agreement-content p {
      margin: 0 0 12px;
    }

    .llx-agreement-main .llx-agreement-content ul {
      margin: 0 0 12px;
      padding-left: 22px;
    }

    .llx-agreement-main .llx-agreement-content li {
      margin: 4px 0;
      padding-left: 2px;
    }

    .llx-agreement-main .llx-agreement-content strong {
      color: #111827;
      font-weight: 800;
    }

    .llx-agreement-main .llx-agreement-note {
      margin: 0 0 20px;
      padding: 14px 16px;
      border: 1px solid #dbeafe;
      border-radius: 6px;
      background: #eff6ff;
      color: #1e3a8a;
      font-size: 14px;
      line-height: 1.9;
    }

    .llx-agreement-main .llx-agreement-contact {
      margin-top: 10px;
      padding: 0;
      list-style: none;
    }

    .llx-agreement-main .llx-agreement-contact li {
      margin: 0;
      padding: 7px 0;
      border-bottom: 1px solid #f1f5f9;
    }

    .llx-agreement-main .llx-agreement-contact li:last-child {
      border-bottom: none;
    }

    @media (max-width: 760px) {
      .llx-agreement-main {
        padding: 22px 0 34px;
      }

      .llx-agreement-main .llx-agreement-paper {
        padding: 28px 22px 34px;
        border-radius: 4px;
      }

      .llx-agreement-main .llx-agreement-title {
        font-size: 26px;
      }

      .llx-agreement-main .llx-agreement-content {
        margin-top: 26px;
        font-size: 15px;
        line-height: 1.9;
      }
    }

/* ================================
       隐私政策页面样式
       作用域：.llx-privacy-main
       设计原则：简洁文档型页面
       ================================ */

    .llx-privacy-main {
      background: #f8fafc;
      padding: 34px 0 46px;
    }

    .llx-privacy-main .llx-privacy-paper {
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 6px;
      padding: 42px 48px 48px;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
    }

    .llx-privacy-main .llx-privacy-title {
      margin: 0;
      color: #111827;
      font-size: 30px;
      line-height: 1.35;
      font-weight: 800;
      text-align: center;
    }

    .llx-privacy-main .llx-privacy-meta {
      margin-top: 12px;
      color: #6b7280;
      font-size: 14px;
      line-height: 1.8;
      text-align: center;
    }

    .llx-privacy-main .llx-privacy-content {
      margin-top: 34px;
      color: #333;
      font-size: 15px;
      line-height: 2;
    }

    .llx-privacy-main .llx-privacy-content h2 {
      margin: 30px 0 10px;
      color: #111827;
      font-size: 18px;
      line-height: 1.6;
      font-weight: 800;
    }

    .llx-privacy-main .llx-privacy-content h2:first-child {
      margin-top: 0;
    }

    .llx-privacy-main .llx-privacy-content p {
      margin: 0 0 12px;
    }

    .llx-privacy-main .llx-privacy-content ul {
      margin: 0 0 12px;
      padding-left: 22px;
    }

    .llx-privacy-main .llx-privacy-content li {
      margin: 4px 0;
      padding-left: 2px;
    }

    .llx-privacy-main .llx-privacy-content strong {
      color: #111827;
      font-weight: 800;
    }

    .llx-privacy-main .llx-privacy-note {
      margin: 0 0 20px;
      padding: 14px 16px;
      border: 1px solid #dbeafe;
      border-radius: 6px;
      background: #eff6ff;
      color: #1e3a8a;
      font-size: 14px;
      line-height: 1.9;
    }

    .llx-privacy-main .llx-privacy-contact {
      margin-top: 10px;
      padding: 0;
      list-style: none;
    }

    .llx-privacy-main .llx-privacy-contact li {
      margin: 0;
      padding: 7px 0;
      border-bottom: 1px solid #f1f5f9;
    }

    .llx-privacy-main .llx-privacy-contact li:last-child {
      border-bottom: none;
    }

    @media (max-width: 760px) {
      .llx-privacy-main {
        padding: 22px 0 34px;
      }

      .llx-privacy-main .llx-privacy-paper {
        padding: 28px 22px 34px;
        border-radius: 4px;
      }

      .llx-privacy-main .llx-privacy-title {
        font-size: 26px;
      }

      .llx-privacy-main .llx-privacy-content {
        margin-top: 26px;
        font-size: 15px;
        line-height: 1.9;
      }
    }