/* ============================================
   ZFAKA Tabler — Stripe-style SaaS Design System
   Primary: #2563EB | Dark: #1E40AF | BG: #F8FAFC | Text: #0F172A | Muted: #64748B
   ============================================ */

   :root {
    --zf-primary: #2563EB;
    --zf-primary-dark: #1E40AF;
    --zf-bg: #F8FAFC;
    --zf-card: #ffffff;
    --zf-text: #0F172A;
    --zf-text-secondary: #64748B;
    --zf-border: #E2E8F0;
    --zf-radius: 20px;
    --zf-radius-sm: 12px;
    --zf-radius-lg: 24px;
    --zf-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
    --zf-shadow-hover: 0 30px 80px rgba(0, 0, 0, 0.08);
    --zf-section-padding: 100px;
    /* Spacing */
    --space-8: 8px;
    --space-16: 16px;
    --space-24: 24px;
    --space-32: 32px;
    --space-48: 48px;
    --space-80: 80px;
    /* Type */
    --text-h1: 52px;
    --text-h2: 36px;
    --text-h3: 24px;
    --text-body: 16px;
    --text-small: 14px;
    --leading-tight: 1.15;
    --leading-body: 1.5;
  }
  
  /* Base */
  body#zlkbbody {
    background: var(--zf-bg);
    color: var(--zf-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }
  
  /* Container: 1440px max */
  .container-xl,
  .container-xxl,
  .layui-container,
  .zf-container {
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .zf-main {
    padding-top: 24px;
    padding-bottom: var(--zf-section-padding);
  }
  
  /* Sections: large whitespace */
  .zf-section {
    padding-top: var(--zf-section-padding);
    padding-bottom: var(--zf-section-padding);
  }
  
  .zf-section:first-of-type {
    padding-top: 60px;
  }
  
  /* ----- Nav (Stripe-style) ----- */
  .zf-navbar {
    background: var(--zf-card);
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  }
  
  .zf-navbar .container-xl,
  .zf-navbar .container-xxl { max-width: 1440px; }
  
  /* Logo 旁站名：大屏约 18px，小屏同 18px 便于阅读 */
  .zf-navbar-brand-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--zf-text, #1c1f24);
  }
  
  .zf-navbar .d-flex.align-items-center.justify-content-between {
    min-height: 70px;
    padding-top: 0;
    padding-bottom: 0;
  }
  
  /* 中间主导航 */
  .zf-navbar nav {
    gap: 32px;
    margin: 0 24px;
  }
  
  .zf-nav-link {
    color: var(--zf-text-secondary) !important;
    font-weight: 600;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
    display: inline-block;
    text-decoration: none !important;
    transition: color 0.25s ease;
    border: none;
    background: none;
  }
  
  .zf-nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--zf-primary);
    transform: scaleX(0);
    transition: transform 0.25s ease-out;
    transform-origin: center;
  }
  
  .zf-nav-link:hover {
    color: var(--zf-primary) !important;
  }
  
  .zf-nav-link:hover::after {
    transform: scaleX(1);
  }
  
  .zf-nav-link.active {
    color: var(--zf-primary) !important;
  }
  
  .zf-nav-link.active::after {
    transform: scaleX(1);
  }
  
  /* 移动端：无底线，当前页轻背景 */
  @media (max-width: 991px) {
    .zf-navbar nav .zf-nav-link::after {
      display: none;
    }
    .zf-navbar nav .zf-nav-link.active {
      background: rgba(37, 99, 235, 0.08);
      border-radius: 6px;
      padding-left: 12px;
      padding-right: 12px;
    }
  }
  
  .zf-navbar .btn {
    font-weight: 600;
    border-radius: var(--zf-radius-sm);
    padding: 10px 18px;
  }
  
  .zf-navbar .btn-primary {
    background: var(--zf-primary);
    border-color: var(--zf-primary);
  }
  
  /* 右侧用户入口：头像 + 下拉 */
  .zf-user-menu {
    position: relative;
  }
  
  .zf-user-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--zf-bg);
    color: var(--zf-text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    list-style: none;
  }
  
  .zf-user-trigger::-webkit-details-marker,
  .zf-user-menu summary::-webkit-details-marker { display: none; }
  
  .zf-user-menu summary {
    list-style: none;
    cursor: pointer;
  }
  
  .zf-user-trigger:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--zf-text);
  }
  
  .zf-user-menu:not([open]) .zf-user-dropdown {
    display: none;
  }
  
  .zf-user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 160px;
    padding: 6px 0;
    background: var(--zf-card);
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 1100;
  }
  
  .zf-user-dropdown a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--zf-text);
    text-decoration: none;
    transition: background 0.15s;
  }
  
  .zf-user-dropdown a:hover {
    background: var(--zf-bg);
  }
  
  .zf-user-dropdown a + a {
    border-top: none;
  }
  
  .zf-user-menu[open] .zf-user-trigger {
    background: rgba(37, 99, 235, 0.1);
    color: var(--zf-primary);
  }
  
  /* 小屏：汉堡菜单 + 头像入口 */
  .zf-nav-inner {
    gap: 32px;
    margin: 0 24px;
  }
  
  .zf-mobile-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--zf-bg);
    color: var(--zf-text-secondary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
  }
  
  .zf-mobile-avatar:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--zf-text);
  }
  
  .zf-hamburger-menu {
    position: relative;
  }
  
  .zf-hamburger-menu summary {
    list-style: none;
    cursor: pointer;
  }
  
  .zf-hamburger-menu summary::-webkit-details-marker { display: none; }
  
  .zf-hamburger-menu {
    display: flex;
    align-items: center;
  }
  
  .zf-hamburger-menu summary {
    margin: 0;
    padding: 0;
  }
  
  .zf-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    min-height: 40px;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    align-self: center;
  }
  
  .zf-hamburger::before {
    content: "";
    display: block;
    width: 20px;
    height: 2px;
    background: var(--zf-text);
    border-radius: 1px;
    box-shadow: 0 7px 0 var(--zf-text), 0 14px 0 var(--zf-text);
    /* 三条线总高 2+7+2+7+2=20px，中心在 10px；让整组在 40px 内居中，上移 9px */
    margin-top: -9px;
  }
  
  .zf-hamburger::after {
    content: "";
    display: none;
  }
  
  .zf-mobile-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 200px;
    padding: 8px 0;
    background: var(--zf-card);
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1100;
  }
  
  .zf-mobile-dropdown a {
    display: block;
    padding: 12px 20px;
    font-size: 15px;
    color: var(--zf-text);
    text-decoration: none;
    transition: background 0.15s;
  }
  
  .zf-mobile-dropdown a:hover {
    background: var(--zf-bg);
  }
  
  .zf-hamburger-menu:not([open]) .zf-mobile-dropdown {
    display: none;
  }
  
  /* ----- Hero (Home) ----- */
  .zf-hero {
    background: linear-gradient(135deg, var(--zf-primary), var(--zf-primary-dark));
    padding: 56px 48px 64px;
    border-radius: var(--zf-radius-lg);
    color: white;
    margin-bottom: 0;
    border: none;
    box-shadow: var(--zf-shadow);
  }
  
  .zf-hero-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .hero-eyebrow {
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.85;
    margin: 0 0 var(--space-16);
  }
  
  .hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 24px;
    flex-wrap: wrap;
  }
  
  .hero-stats div {
    font-weight: 600;
    font-size: var(--text-small);
    opacity: 0.95;
  }
  
  .hero-stats-num {
    margin-right: 6px;
    font-weight: 700;
  }
  
  .hero-stats-label {
    font-weight: 500;
    opacity: 0.9;
  }
  
  .zf-chip {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
  }
  
  .zf-hero-title {
    margin: 0 0 var(--space-16);
    font-size: 36px;
    font-weight: 800;
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
  }
  
  .zf-hero-sub {
    margin: 0 0 24px;
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.95;
    max-width: 560px;
  }
  
  .zf-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 0;
  }
  
  .zf-hero-actions .zf-btn,
  .zf-hero-actions .layui-btn {
    height: 48px;
    padding: 0 28px;
    border-radius: var(--zf-radius-sm);
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .zf-hero-actions .layui-btn-primary {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
  }
  
  .zf-hero-actions .layui-btn-primary:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
  }
  
  .zf-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
  }
  
  .zf-trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.95;
  }
  
  .zf-trust-badge svg { width: 20px; height: 20px; opacity: 0.9; }
  
  /* Section 三段式：eyebrow + title + subtitle */
  .zf-section-eyebrow {
    font-size: var(--text-small);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--zf-primary);
    font-weight: 600;
    margin: 0 0 var(--space-8);
  }
  
  .zf-section-title {
    font-size: var(--text-h2);
    font-weight: 800;
    color: var(--zf-text);
    margin: 0 0 var(--space-16);
    letter-spacing: -0.02em;
    line-height: var(--leading-tight);
  }
  
  .zf-section-sub {
    font-size: var(--text-body);
    color: var(--zf-text-secondary);
    margin: 0 0 var(--space-48);
    line-height: var(--leading-body);
  }
  
  /* Section 渐显 */
  .zf-section-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  .zf-section-reveal.visible {
    opacity: 1;
    transform: none;
  }
  
  /* 按钮 active 微缩放 */
  .layui-btn:active,
  .btn:active,
  .product-card-cta:active {
    transform: scale(0.98);
  }
  
  .layui-btn,
  .btn,
  .product-card-cta {
    transition: transform 0.15s ease;
  }
  
  /* 分类标签：间距清晰，小屏更小少换行，整体居中 */
  .zf-categories-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 16px;
    margin-bottom: var(--space-24);
  }
  
  .zf-category-tag {
    display: inline-block;
    padding: 10px 22px;
    background: var(--zf-card);
    color: var(--zf-text-secondary);
    font-size: 15px;
    font-weight: 500;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--zf-border);
    transition: color 0.2s, background 0.2s, border-color 0.2s;
  }
  
  @media (max-width: 768px) {
    .zf-categories-tags { gap: 8px 12px; }
    .zf-category-tag {
      padding: 6px 14px;
      font-size: 13px;
    }
  }
  
  .zf-category-tag:hover {
    color: var(--zf-primary);
    border-color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.06);
  }
  
  .zf-category-tag.active {
    color: var(--zf-primary);
    border-color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.08);
    font-weight: 600;
  }
  
  /* ----- Product cards grid (no table) ----- */
  .zf-products-section {
    padding-top: 30px; /* 标题距上框拉近（原约130） */
    padding-bottom: var(--zf-section-padding);
  }
  
  /* 仅区块标题和副标题居中 */
  .zf-products-heading,
  .zf-products-sub {
    text-align: center;
  }
  
  .zf-products-heading {
    font-size: var(--text-h2);
    font-weight: 800;
    color: var(--zf-text);
    margin: 0 0 var(--space-16);
    letter-spacing: -0.02em;
    line-height: var(--leading-tight);
  }
  
  .zf-products-sub {
    font-size: 17px; /* 比标签大一号（标签 15px） */
    color: #111;
    margin: 0 0 var(--space-24);
    line-height: var(--leading-body);
  }
  
  .zf-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
  }
  
  @media (max-width: 992px) {
    .zf-product-grid { grid-template-columns: repeat(2, 1fr); }
  }
  
  @media (max-width: 576px) {
    .zf-product-grid { grid-template-columns: 1fr; }
  }
  
  .product-card-img-wrap {
    margin: -32px -32px var(--space-16) -32px;
    border-radius: var(--zf-radius-sm) var(--zf-radius-sm) 0 0;
    overflow: hidden;
    background: var(--zf-bg);
  }
  
  .product-card-img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
  }
  
  .product-card {
    background: var(--zf-card);
    padding: 32px;
    border-radius: var(--zf-radius);
    box-shadow: var(--zf-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    text-align: left;
  }
  
  .product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--zf-shadow-hover);
    color: inherit;
  }
  
  .product-card-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.12);
    color: var(--zf-primary);
    font-size: var(--text-small);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: var(--space-16);
  }
  .product-card-badge-muted {
    background: rgba(100, 116, 139, 0.12);
    color: var(--zf-text-secondary);
  }
  .product-meta {
    font-size: var(--text-small);
    color: var(--zf-text-secondary);
    margin-bottom: var(--space-16);
    line-height: var(--leading-body);
  }
  .product-trust-note {
    font-size: 13px;
    color: #94A3B8;
    margin-top: 10px;
    margin-bottom: 0;
    line-height: var(--leading-body);
  }
  
  .product-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--zf-text);
    margin: 0 0 8px;
    line-height: 1.3;
  }
  
  .product-card-desc {
    font-size: 14px;
    color: var(--zf-text-secondary);
    line-height: 1.5;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .product-card-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-16);
    margin: 0 0 var(--space-12);
    font-size: var(--text-small);
    color: var(--zf-text-secondary);
  }
  
  .product-card-stat {
    white-space: nowrap;
  }
  
  .product-card-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--zf-text);
    margin: 0 0 16px;
  }
  
  .product-card-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    font-size: 14px;
    color: var(--zf-text-secondary);
  }
  
  .product-card-features li {
    padding: 6px 0;
    padding-left: 24px;
    position: relative;
  }
  
  .product-card-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--zf-primary);
    border-radius: 50%;
  }
  
  .product-card-cta {
    width: 100%;
    height: 48px;
    border-radius: var(--zf-radius-sm);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--zf-primary);
    color: #fff !important;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
  }
  
  .product-card-cta:hover {
    background: var(--zf-primary-dark);
    color: #fff !important;
  }
  
  .product-card-cta:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
  
  /* ----- Trust section (4 icon cards) ----- */
  .zf-trust-section {
    padding-top: var(--zf-section-padding);
    padding-bottom: var(--zf-section-padding);
    background: var(--zf-card);
    border-radius: var(--zf-radius-lg);
    box-shadow: var(--zf-shadow);
    border: none;
  }
  
  .zf-trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  @media (max-width: 768px) {
    .zf-trust-grid { grid-template-columns: repeat(2, 1fr); }
  }
  
  .zf-trust-card {
    text-align: center;
    padding: 32px 20px;
  }
  
  .zf-trust-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--zf-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--zf-primary);
  }
  
  .zf-trust-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--zf-text);
    margin: 0 0 4px;
  }
  
  .zf-trust-card-desc {
    font-size: 14px;
    color: var(--zf-text-secondary);
    margin: 0;
  }
  
  /* ----- Why Us (4 cards) ----- */
  .zf-why-section {
    padding-top: var(--zf-section-padding);
    padding-bottom: var(--zf-section-padding);
  }
  
  .zf-why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-24);
  }
  
  @media (max-width: 992px) {
    .zf-why-grid { grid-template-columns: repeat(2, 1fr); }
  }
  
  @media (max-width: 576px) {
    .zf-why-grid { grid-template-columns: 1fr; }
  }
  
  .zf-why-card {
    background: var(--zf-card);
    padding: var(--space-32);
    border-radius: 16px;
    box-shadow: var(--zf-shadow);
    border: none;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
  }
  
  .zf-why-card:hover {
    box-shadow: var(--zf-shadow-hover);
    transform: translateY(-2px);
  }
  
  .zf-why-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.08);
    border-radius: var(--zf-radius-sm);
    color: var(--zf-primary);
    margin-bottom: var(--space-16);
  }
  
  .zf-why-title {
    font-size: var(--text-h3);
    font-weight: 700;
    color: var(--zf-text);
    margin: 0 0 var(--space-8);
    line-height: var(--leading-tight);
  }
  
  .zf-why-desc {
    font-size: var(--text-body);
    color: var(--zf-text-secondary);
    margin: 0;
    line-height: var(--leading-body);
  }
  
  /* ----- How It Works (3 steps) ----- */
  .zf-steps-section {
    padding-top: var(--zf-section-padding);
    padding-bottom: var(--zf-section-padding);
    background: var(--zf-card);
    border-radius: var(--zf-radius-lg);
    box-shadow: var(--zf-shadow);
  }
  
  .zf-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-24);
    flex-wrap: wrap;
  }
  
  .zf-step {
    flex: 1;
    min-width: 180px;
    max-width: 260px;
    text-align: center;
  }
  
  .zf-step-num {
    font-size: var(--text-small);
    font-weight: 700;
    color: var(--zf-primary);
    margin-bottom: var(--space-8);
  }
  
  .zf-step-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-16);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.08);
    border-radius: var(--zf-radius-sm);
    color: var(--zf-primary);
  }
  
  .zf-step-title {
    font-size: var(--text-h3);
    font-weight: 700;
    color: var(--zf-text);
    margin: 0 0 var(--space-8);
  }
  
  .zf-step-desc {
    font-size: var(--text-small);
    color: var(--zf-text-secondary);
    margin: 0;
    line-height: var(--leading-body);
  }
  
  .zf-step-arrow {
    color: var(--zf-border);
    font-size: 20px;
    align-self: center;
    margin-top: 36px;
  }
  
  @media (max-width: 768px) {
    .zf-step-arrow { display: none; }
  }
  
  /* ----- Testimonials ----- */
  .zf-testimonials-section {
    padding-top: var(--zf-section-padding);
    padding-bottom: var(--zf-section-padding);
  }
  
  .zf-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-24);
  }
  
  @media (max-width: 768px) {
    .zf-testimonials-grid { grid-template-columns: 1fr; }
  }
  
  .zf-testimonial {
    background: var(--zf-card);
    padding: var(--space-32);
    border-radius: 16px;
    box-shadow: var(--zf-shadow);
    border: none;
    margin: 0;
  }
  
  .zf-testimonial-text {
    font-size: var(--text-body);
    color: var(--zf-text);
    line-height: var(--leading-body);
    margin: 0 0 var(--space-16);
  }
  
  .zf-testimonial-author {
    font-size: var(--text-small);
    color: var(--zf-text-secondary);
    margin: 0;
  }
  
  /* ----- Notice block (no gray panel) ----- */
  .zf-notice {
    background: var(--zf-card);
    padding: 20px 28px;
    border-radius: var(--zf-radius-sm);
    box-shadow: var(--zf-shadow);
    margin-bottom: 32px;
    border: none;
  }
  
  .zf-notice p { margin: 0; color: var(--zf-text-secondary); }
  
  /* ----- Detail: benefit grid + two-column + sticky buy card ----- */
  .benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-24);
    margin-top: var(--space-32);
    margin-bottom: 0;
  }
  @media (max-width: 768px) {
    .benefit-grid { grid-template-columns: 1fr; }
  }
  .benefit-card {
    background: var(--zf-card);
    padding: var(--space-24);
    border-radius: 16px;
    box-shadow: var(--zf-shadow);
    border: none;
  }
  .benefit-card strong {
    display: block;
    font-size: var(--text-body);
    color: var(--zf-text);
    margin-bottom: var(--space-8);
  }
  .benefit-card p {
    margin: 0;
    font-size: var(--text-small);
    color: var(--zf-text-secondary);
    line-height: var(--leading-body);
  }
  
  .zf-detail-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-48);
    align-items: start;
    padding-top: var(--space-32);
    padding-bottom: var(--zf-section-padding);
  }
  
  @media (max-width: 992px) {
    .zf-detail-layout { grid-template-columns: 1fr; }
  }
  
  .zf-detail-content h1,
  .zf-detail-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--zf-text);
    margin: 0 0 var(--space-16);
    line-height: var(--leading-tight);
  }
  
  @media (min-width: 768px) {
    .zf-detail-title {
      font-size: 1.75rem;
    }
  }
  
  .zf-detail-badges {
    margin-bottom: 0;
  }
  
  .zf-detail-head-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
  }
  
  .zf-detail-view-youhui {
    color: var(--zf-primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
  }
  
  .zf-detail-head-row .product-card-badge {
    margin-bottom: 0;
  }
  
  .zf-detail-intro-box {
    background: var(--zf-card);
    padding: 32px;
    border-radius: var(--zf-radius);
    box-shadow: var(--zf-shadow);
    border: none;
    margin-bottom: 0;
  }
  
  .zf-detail-body-wrap {
    overflow: hidden;
  }
  
  .zf-detail-intro-box .zf-detail-body-wrap {
    margin-bottom: 0;
  }
  
  .zf-detail-body {
    font-size: 16px;
    line-height: 1.7;
    color: var(--zf-text-secondary);
  }
  
  .zf-detail-body .layui-tab,
  .zf-detail-body .layui-field-box {
    border: none;
    background: transparent;
  }
  
  .zf-detail-expand-btn {
    display: none;
    margin-top: 12px;
    padding: 0;
    font-size: 14px;
    color: var(--zf-primary);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
  }
  
  @media (max-width: 768px) {
    .zf-detail-expand-btn {
      display: inline-block;
    }
    .zf-detail-body-wrap.is-collapsed {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
      line-clamp: 3;
    }
    .zf-detail-body-wrap.is-collapsed .zf-detail-body {
      display: block;
    }
  }
  
  .buy-card {
    background: var(--zf-card);
    padding: 32px;
    border-radius: var(--zf-radius);
    box-shadow: var(--zf-shadow);
    position: sticky;
    top: 100px;
    border: none;
  }
  
  .buy-card-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--zf-text);
    margin: 0 0 24px;
  }
  
  .buy-card .layui-form-item {
    margin-bottom: 12px;
  }
  
  .buy-card .layui-form-item:last-child {
    margin-bottom: 0;
  }
  
  .buy-card .layui-form-mid.layui-word-aux {
    margin-top: 4px;
    margin-bottom: 0;
    display: block;
  }
  
  .buy-card .layui-form-label {
    background: transparent;
    border: none;
    color: var(--zf-text-secondary);
    font-weight: 500;
  }
  
  .buy-card .layui-input,
  .buy-card .layui-input-block .layui-input {
    height: 48px;
    border-radius: var(--zf-radius-sm);
    border: 1px solid var(--zf-border);
    padding: 0 16px;
  }
  
  .buy-card .layui-btn {
    width: 100%;
    height: 48px;
    border-radius: var(--zf-radius-sm);
    font-weight: 600;
    font-size: var(--text-body);
    margin-top: var(--space-8);
  }
  
  .zf-buy-buttons {
    display: flex;
    flex-direction: column;
    margin-left: 0;
    padding-left: 0;
  }
  
  .zf-buy-buttons .layui-btn {
    width: 100%;
    box-sizing: border-box;
  }
  
  .zf-buy-buttons .layui-btn:first-of-type {
    margin-top: 0;
  }
  
  .zf-buy-buttons .layui-btn + .layui-btn {
    margin-top: 12px;
    margin-left: 0; /* override layui .layui-btn+.layui-btn{margin-left:10px} */
  }
  
  .zf-buy-buttons .layui-btn {
    margin-left: 0;
    margin-right: 0;
    display: block;
    max-width: 100%;
  }
  
  .buy-card .zf-security-note {
    font-size: var(--text-small);
    color: #94A3B8;
    margin-top: var(--space-16);
    margin-bottom: 0;
    line-height: var(--leading-body);
  }
  
  /* Remove all panel/table borders in Tabler template */
  .layui-card,
  .fly-panel,
  .layui-elem-field,
  .layui-collapse,
  .layui-colla-item {
    background: var(--zf-card);
    border: none;
    border-radius: var(--zf-radius);
    box-shadow: var(--zf-shadow);
  }
  
  .layui-card-header {
    border: none;
    background: transparent;
    font-weight: 700;
    color: var(--zf-text);
    padding: 20px 24px 0;
  }
  
  .layui-card-body {
    padding: 24px;
  }
  
  .layui-elem-field {
    border: none;
  }
  
  .layui-elem-field .layui-field-box {
    border: none;
    padding: 0;
  }
  
  /* Hide table and pagination when using card layout */
  .zf-no-table .layui-table,
  .zf-no-table .layui-table-view,
  .layui-laypage {
    display: none !important;
  }
  
  /* Form inputs global：白底、细边框，统一不花哨 */
  .layui-input,
  .layui-textarea,
  .layui-select-title input {
    height: 48px;
    min-height: 48px;
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    padding: 0 16px;
    background: var(--zf-card);
    color: var(--zf-text);
  }
  
  .layui-textarea {
    min-height: 80px;
    padding: 12px 16px;
  }
  
  .layui-input::placeholder,
  .layui-textarea::placeholder {
    color: var(--zf-text-secondary);
    opacity: 0.8;
  }
  
  .layui-input:focus,
  .layui-textarea:focus {
    border-color: var(--zf-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    outline: none;
  }
  
  .layui-input[disabled] {
    background: var(--zf-bg);
    color: var(--zf-text-secondary);
    cursor: not-allowed;
  }
  
  /* 彻底去掉 layui-form-pane .layui-form-label 的框（layui.css 里该选择器带 border+background） */
  .layui-form-label,
  .layui-form-pane .layui-form-label {
    border: none !important;
    background: transparent !important;
    background-color: transparent !important;
    color: var(--zf-text);
    font-weight: 500;
    padding-left: 0;
    box-shadow: none !important;
  }
  
  .layui-btn {
    border-radius: var(--zf-radius-sm);
    font-weight: 600;
    height: 48px;
    padding: 0 24px;
    background: var(--zf-primary);
    border: none;
  }
  
  /* 找回密码成功页「返回登录」按钮：不固定高度、仅本页生效 */
  #forgetpwd-success-msg .zf-forgetpwd-back-btn {
    height: auto;
    min-height: 36px;
    padding: 8px 24px;
  }
  
  .layui-btn-primary {
    background: var(--zf-card);
    color: var(--zf-text);
    border: 1px solid var(--zf-border);
  }
  
  .layui-elem-quote {
    border: none;
    border-left: 4px solid var(--zf-primary);
    background: rgba(37, 99, 235, 0.06);
    border-radius: 0 var(--zf-radius-sm) var(--zf-radius-sm) 0;
    color: var(--zf-text-secondary);
  }
  
  /* Query pages: 标题与「数字产品观察」统一，拉出框外；三栏在下方卡片内 */
  .zf-query-wrapper {
    padding-top: 48px;
    padding-bottom: var(--zf-section-padding);
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .zf-query-page-head {
    text-align: center;
    margin-bottom: 48px;
  }
  
  .zf-query-page-head .zf-section-eyebrow {
    margin: 0 0 8px;
    color: var(--zf-primary);
    font-size: 14px;
    font-weight: 600;
  }
  
  .zf-query-page-title {
    font-size: var(--text-h2);
    font-weight: 800;
    color: var(--zf-text);
    margin: 0 0 12px;
  }
  
  .zf-query-page-sub {
    margin: 0;
    font-size: var(--text-body);
    color: var(--zf-text-secondary);
  }
  
  /* 登录/注册：中间内容区收窄（大屏），小屏保持全宽 */
  .zf-member-auth .layui-card.zf-query-card {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* 订单查询结果页（auto/支付回调）：PC 收窄约 800px，与查询页统一；手机端不限制 */
  @media (min-width: 769px) {
    .zf-query-auto-inner {
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
  }

  .zf-query-shell {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--zf-card);
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    box-shadow: var(--zf-shadow);
    padding: 32px;
  }
  
  .zf-query-layout {
    display: flex;
    align-items: flex-start;
    gap: 32px;
  }
  
  .zf-query-nav {
    width: 200px;
    flex: 0 0 200px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .zf-query-nav a {
    display: block;
    padding: 10px 12px;
    color: var(--zf-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
  }
  
  .zf-query-nav a:hover {
    color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.06);
  }
  
  .zf-query-nav a.zf-query-nav-active {
    background: rgba(37, 99, 235, 0.12);
    color: var(--zf-primary);
    border-left-color: var(--zf-primary);
  }
  
  .zf-query-center {
    flex: 1;
    min-width: 0;
    max-width: 600px;
    min-height: 388px;
  }
  
  .zf-query-panel {
    border: none;
    background: transparent;
    padding: 0;
    margin: 0;
  }
  
  .zf-query-panel .layui-form-item {
    margin-bottom: 16px;
  }
  
  .zf-query-panel .layui-form-item:last-child {
    margin-bottom: 0;
  }
  
  .zf-query-panel .layui-form-label {
    width: 100%;
    float: none;
    text-align: left;
    padding: 0 0 8px 0;
    line-height: 1.4;
    margin-left: 0;
  }
  
  .zf-query-panel .layui-input-block {
    margin-left: 0;
    max-width: none;
  }
  
  .zf-query-panel .layui-form-item .layui-input-block input,
  .zf-query-panel .layui-input {
    height: 48px;
    width: 100%;
    box-sizing: border-box;
    border-radius: var(--zf-radius-sm);
    border: 1px solid var(--zf-border);
    background: var(--zf-bg);
    color: var(--zf-text);
  }
  
  .zf-query-panel .layui-form-item .layui-input-block input:focus,
  .zf-query-panel .zf-captcha-row .layui-input:focus {
    border-color: var(--zf-primary);
    background: var(--zf-card);
  }
  
  .zf-query-panel .layui-btn {
    width: 100%;
    height: 48px;
    margin-top: 0;
    border-radius: var(--zf-radius-sm);
  }
  
  .zf-query-submit-row .layui-input-block {
    margin-left: 0;
    width: 100%;
  }
  
  .zf-captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .zf-captcha-row .layui-input {
    flex: 1;
    height: 48px;
    min-width: 0;
  }
  
  .zf-captcha-row .zlkb_yzm {
    flex-shrink: 0;
    height: 48px;
    width: 120px;
    overflow: hidden;
    display: block;
    border-radius: var(--zf-radius-sm);
    border: 1px solid var(--zf-border);
    background: var(--zf-bg);
  }
  
  .zf-captcha-row .zlkb_yzm img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .zf-query-panel .layui-form-mid.layui-word-aux {
    margin-top: 6px;
    margin-left: 0;
    font-size: 12px;
    color: var(--zf-text-secondary);
  }
  
  .zf-query-result-col {
    width: 360px;
    flex: 0 0 360px;
    min-height: 0;
  }
  
  .zf-query-result-empty {
    color: #94a3b8;
    font-size: 12px;
    line-height: 1.5;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  
  .zf-query-result-empty::before {
    content: "○";
    font-size: 12px;
    color: #cbd5e1;
  }
  
  /* 大屏不显示「请先执行查询」，有查询结果时由 JS 展示结果区即可 */
  @media (min-width: 769px) {
    .zf-query-result-empty {
      display: none !important;
    }
  }
  
  .zf-query-result-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
  }
  
  .zf-order-result-card {
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    padding: 16px;
    background: #fff;
  }
  
  .zf-order-result-card .card-body {
    padding: 0 !important;
  }
  
  .zf-order-kv-list {
    border: none;
    border-radius: 0;
    overflow: visible;
  }
  
  .zf-order-kv-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 7px 0;
    border-bottom: 1px solid var(--zf-border);
    font-size: 13px;
  }
  
  .zf-order-kv-row:last-child {
    border-bottom: none;
  }
  
  .zf-order-kv-row span:first-child {
    color: var(--zf-text-secondary);
    flex-shrink: 0;
  }
  
  .zf-order-kv-row span:last-child {
    color: var(--zf-text);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
  }
  
  .zf-order-result-card .zf-order-status-badge {
    margin-bottom: 10px;
  }
  
  .zf-order-result-card .mt-3 {
    margin-top: 10px !important;
  }
  
  .layui-table-zlkb,
  .layui-table-view {
    display: none;
  }
  
  /* 移动端查询结果弹窗 */
  .zf-query-result-modal .zf-order-result-card {
    margin-bottom: 12px;
  }
  .zf-query-result-modal .zf-order-result-card:last-child {
    margin-bottom: 0;
  }
  .layui-layer.zf-query-modal-layer {
    border-radius: var(--zf-radius-sm);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    overflow: hidden;
  }
  .layui-layer.zf-query-modal-layer .layui-layer-content {
    padding: 16px;
    max-height: 70vh;
    overflow-y: auto;
  }
  
  /* ========== 会员中心（登录后）统一风格 ========== */
  .zf-member-wrap {
    padding-top: 40px;
    padding-bottom: var(--zf-section-padding);
  }
  
  .zf-member-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 20px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--zf-border);
  }
  
  .zf-member-nav a {
    color: var(--zf-text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
  }
  
  .zf-member-nav a:hover {
    color: var(--zf-primary);
  }
  
  .zf-member-nav a.active {
    color: var(--zf-primary);
    border-bottom-color: var(--zf-primary);
  }
  
  .zf-member-card {
    background: var(--zf-card);
    border-radius: var(--zf-radius-sm);
    box-shadow: var(--zf-shadow);
    border: none;
    overflow: hidden;
  }
  
  .zf-member-card .layui-card-body {
    padding: 32px 40px;
  }
  
  .zf-member-card .layui-tab-title {
    border-bottom: 1px solid var(--zf-border);
    margin-bottom: 24px;
  }
  
  .zf-member-card .layui-tab-title li {
    border-radius: var(--zf-radius-sm) var(--zf-radius-sm) 0 0;
  }
  
  .zf-member-card .layui-tab-title li.layui-this {
    color: var(--zf-primary);
    font-weight: 600;
  }
  
  .zf-member-card .layui-tab-title .layui-this::after {
    border-bottom-color: var(--zf-primary);
  }
  
  .zf-member-card .layui-form-item {
    margin-bottom: 22px;
  }
  
  /* 会员表单：标签在上方，去掉“盒子”感 */
  .zf-member-card .layui-form-label {
    width: 100%;
    float: none;
    text-align: left;
    padding: 0 0 8px 0;
    line-height: 1.4;
    max-width: none;
    background: transparent !important;
    border: none;
  }
  
  .zf-member-card .layui-input-block {
    margin-left: 0;
  }
  
  .zf-member-card .layui-input,
  .zf-member-card .layui-textarea,
  .zf-member-card .layui-select {
    border-radius: var(--zf-radius-sm);
    border: 1px solid var(--zf-border);
    background: var(--zf-card);
    color: var(--zf-text);
  }
  
  .zf-member-card .layui-input-block .layui-input,
  .zf-member-card .layui-input-block .layui-textarea {
    width: 100%;
  }
  
  .zf-member-card .layui-input[disabled] {
    background: var(--zf-bg);
    color: var(--zf-text-secondary);
  }
  
  .zf-member-card .layui-form-mid.layui-word-aux {
    margin-top: 6px;
    font-size: 13px;
    color: var(--zf-text-secondary);
    padding-left: 0;
  }
  
  .zf-member-card .layui-btn {
    border-radius: var(--zf-radius-sm);
  }
  
  .zf-member-card .layui-table,
  .zf-member-card .layui-table-view {
    border-radius: var(--zf-radius-sm);
    overflow: hidden;
  }
  
  .zf-member-card .layui-elem-quote {
    border-radius: var(--zf-radius-sm);
    padding: 14px 18px;
  }
  
  .zf-member-card .site-text .layui-elem-quote {
    margin-bottom: 16px;
  }
  
  .zf-member-card .site-text p {
    color: var(--zf-text);
    line-height: 1.7;
  }
  
  /* 我的主页 */
  .zf-member-home-title {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--zf-text);
    margin: 0 0 6px 0;
  }
  .zf-member-home-desc {
    color: var(--zf-text-secondary);
    font-size: 14px;
    margin: 0 0 24px 0;
  }
  .zf-member-home-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
  }
  .zf-member-stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    background: var(--zf-bg);
    border-radius: var(--zf-radius-sm);
    border: 1px solid var(--zf-border);
    text-decoration: none;
    color: var(--zf-text);
    transition: border-color 0.2s, background 0.2s;
  }
  .zf-member-stat-card:hover {
    border-color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.04);
  }
  .zf-member-stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--zf-primary);
    line-height: 1.2;
  }
  .zf-member-stat-label {
    font-size: 13px;
    color: var(--zf-text-secondary);
    margin-top: 4px;
  }
  .zf-member-stat-pending .zf-member-stat-num { color: #d97706; }
  .zf-member-stat-done .zf-member-stat-num { color: #059669; }
  .zf-member-home-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
  }
  .zf-member-action-btn {
    display: inline-block;
    padding: 10px 18px;
    background: var(--zf-bg);
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    color: var(--zf-text);
    text-decoration: none;
    font-size: 14px;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
  }
  .zf-member-action-btn:hover {
    border-color: var(--zf-primary);
    color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.04);
  }
  .zf-member-home-recent-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--zf-text);
    margin: 0 0 12px 0;
  }
  .zf-member-recent-list {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    overflow: hidden;
  }
  .zf-member-recent-list li {
    border-bottom: 1px solid var(--zf-border);
  }
  .zf-member-recent-list li:last-child { border-bottom: none; }
  .zf-member-recent-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    color: var(--zf-text);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
  }
  .zf-member-recent-list a:hover {
    background: var(--zf-bg);
  }
  .zf-member-recent-orderid {
    font-family: var(--zf-mono, monospace);
    font-size: 13px;
  }
  .zf-member-recent-status {
    font-size: 12px;
    color: var(--zf-text-secondary);
  }
  .zf-member-home-more {
    font-size: 14px;
    color: var(--zf-primary);
    text-decoration: none;
  }
  .zf-member-home-more:hover { text-decoration: underline; }
  
  /* Payment trust strip (detail/footer) */
  .zf-trust-wrap {
    margin-top: 24px;
    padding: 20px 0;
    border: none;
    background: transparent;
  }
  
  .zf-trust-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--zf-text-secondary);
    margin-bottom: 12px;
  }
  
  .zf-trust-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .zf-trust-logos img {
    height: 28px;
    width: auto;
    opacity: 0.8;
  }
  
  /* Footer */
  .fly-footer {
    margin-top: 0;
    padding: 48px 0;
    border-top: 1px solid var(--zf-border);
    background: var(--zf-card);
  }
  
  .fly-footer .layui-container,
  .fly-footer .container-xxl {
    max-width: 1440px;
  }
  
  .zf-footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-32);
  }
  
  .zf-footer-left {
    max-width: 420px;
  }
  
  .zf-footer-copy {
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--zf-text) !important;
    margin: 0 0 var(--space-8);
  }
  
  .zf-footer-intro {
    font-size: var(--text-small);
    color: var(--zf-text-secondary) !important;
    margin: 0 0 var(--space-8);
    line-height: var(--leading-body);
  }
  
  .zf-footer-email {
    margin: 0 0 var(--space-16);
  }
  
  .zf-footer-email a {
    font-size: var(--text-small);
    color: var(--zf-primary) !important;
    text-decoration: none;
  }
  
  .zf-footer-email a:hover {
    text-decoration: underline;
  }
  
  .zf-footer-social {
    display: flex;
    gap: var(--space-16);
  }
  
  .zf-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--zf-radius-sm);
    background: var(--zf-bg);
    color: var(--zf-text-secondary) !important;
    transition: color 0.2s, background 0.2s;
  }
  
  .zf-social-icon:hover {
    background: var(--zf-primary);
    color: #fff !important;
  }
  
  .zf-footer-links {
    display: flex;
    gap: var(--space-24);
  }
  
  .zf-footer-links a {
    text-decoration: none;
    font-size: var(--text-small);
    color: var(--zf-text-secondary) !important;
  }
  
  .zf-footer-links a:hover {
    color: var(--zf-primary) !important;
  }
  
  .zf-breadcrumb {
    color: var(--zf-text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
  }
  
  .zf-breadcrumb a { color: var(--zf-primary); }
  
  @media (max-width: 768px) {
    .zf-breadcrumb-detail {
      display: none;
    }
    .zf-page-detail .zf-notice {
      display: none;
    }
  }
  
  /* Load more / empty state */
  .zf-product-empty,
  .zf-load-more {
    text-align: center;
    padding: 48px 24px;
    color: var(--zf-text-secondary);
    font-size: 16px;
  }
  
  .zf-load-more .layui-btn {
    margin-top: 16px;
  }
  
  /* Discount block (detail) — card style, no table */
  .zf-discount-card {
    background: var(--zf-card);
    padding: 24px;
    border-radius: var(--zf-radius);
    box-shadow: var(--zf-shadow);
    margin-top: 24px;
    border: none;
  }
  
  .zf-discount-card .layui-table {
    border: none;
  }
  
  .zf-discount-card .layui-table th {
    background: var(--zf-bg);
    color: var(--zf-text-secondary);
    font-weight: 600;
    border: none;
  }
  
  .zf-discount-card .layui-table td {
    border: none;
    border-bottom: 1px solid var(--zf-border);
  }
  
  /* Checkout / payment center */
  .zf-pay-page {
    max-width: 920px;
  }
  
  .zf-pay-head {
    padding: 8px 4px;
  }
  
  .zf-pay-title {
    margin: 0 0 8px;
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--zf-text);
  }
  
  .zf-pay-desc {
    margin: 0;
    color: var(--zf-text-secondary);
    font-size: 15px;
  }
  
  .zf-summary-total {
    font-size: 1.25rem;
    font-weight: 700;
  }
  
  .zf-pay-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
  }
  
  .zf-pay-method {
    display: flex;
    align-items: center;
    width: 100%;
    text-align: left;
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    background: var(--zf-card);
    padding: 14px;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
  }
  
  .zf-pay-method:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  }
  
  .zf-pay-method.is-active {
    border-color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.08);
  }
  
  .zf-pay-method-icon {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex: 0 0 50px;
    margin-right: 12px;
  }
  
  .zf-pay-method-content {
    min-width: 0;
  }
  
  .zf-pay-amount {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--zf-text);
    line-height: 1.2;
  }
  
  /* ========== 支付弹窗（两列版式，仅样式与结构） ========== */
  .zf-pay-modal-dialog {
    max-width: 620px;
  }
  
  .zf-pay-modal-content {
    border: none;
    border-radius: 18px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(15, 23, 42, 0.06);
    overflow: hidden;
  }
  
  .zf-pay-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--zf-border);
    background: #fff;
  }
  
  .zf-pay-modal-header .modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--zf-text);
  }
  
  .zf-pay-modal-body {
    padding: 24px;
    background: #fff;
  }
  
  .zf-pay-modal-grid {
    display: grid;
    grid-template-columns: minmax(180px, 240px) 1fr;
    gap: 24px;
    align-items: start;
  }
  
  .zf-pay-modal-left {
    min-width: 0;
  }
  
  .zf-pay-modal-right {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  
  .zf-pay-qr-wrap {
    padding: 12px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--zf-border);
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 220px;
  }
  
  .zf-pay-qr-wrap img {
    max-width: 100%;
    width: 200px;
    height: auto;
    display: block;
  }
  
  .zf-pay-block {
    margin: 0;
  }
  
  .zf-pay-label {
    font-size: 13px;
    color: var(--zf-text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
  }
  
  /* 主视觉：订单金额 */
  .zf-pay-block-amount .zf-pay-amount {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--zf-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
  }
  
  .zf-pay-block-amount .zf-pay-label {
    margin-bottom: 4px;
  }
  
  /* 倒计时：柔和标签，不刺眼 */
  .zf-pay-countdown {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--zf-text);
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    line-height: 1.2;
  }
  
  /* 收款地址：独立卡片 */
  .zf-pay-wallet-card {
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--zf-border);
    background: rgba(15, 23, 42, 0.02);
  }
  
  .zf-pay-wallet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
  }
  
  .zf-pay-wallet-head .zf-pay-label {
    margin-bottom: 0;
  }
  
  .zf-pay-copy-btn {
    font-size: 13px;
    padding: 4px 12px;
    color: var(--zf-primary);
    border-color: rgba(37, 99, 235, 0.35);
    background: rgba(37, 99, 235, 0.06);
    border-radius: 8px;
  }
  
  .zf-pay-copy-btn:hover {
    background: rgba(37, 99, 235, 0.12);
    border-color: var(--zf-primary);
    color: var(--zf-primary);
  }
  
  .zf-pay-wallet-address {
    word-break: break-all;
    font-family: var(--zf-mono, ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace);
    font-size: 13px;
    font-weight: 600;
    color: var(--zf-text);
    line-height: 1.5;
    overflow-wrap: break-word;
  }
  
  .zf-pay-scan-hint {
    display: none;
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.5;
    text-align: left;
    color: #333 !important;
  }
  
  .zf-pay-hint-inner .zf-pay-scan-line {
    display: block;
  }
  
  .zf-pay-scan-hint.visible {
    display: none;
  }
  
  .zf-pay-footer-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 12px;
    color: var(--zf-text-secondary);
    width: 100%;
  }
  
  .zf-pay-network-logo {
    vertical-align: middle;
    margin-left: 2px;
  }
  
  /* 说明区：分段、不拥挤 */
  .zf-pay-hint {
    padding: 0;
  }
  
  .zf-pay-hint-inner {
    font-size: 13px;
    line-height: 1.65;
  }
  
  .zf-pay-hint-inner div {
    margin-bottom: 6px;
  }
  
  .zf-pay-hint-inner div:last-child {
    margin-bottom: 0;
  }
  
  .zf-pay-modal-footer {
    padding: 16px 24px 24px;
    border-top: 1px solid var(--zf-border);
    background: #fff;
    flex-direction: column;
    gap: 12px;
  }
  
  /* 大屏：二维码下显示扫码提示、右侧隐藏该句；钱包地址不换行 */
  @media (min-width: 577px) {
    .zf-pay-scan-hint.visible {
      display: block;
    }
    .zf-pay-hint-inner .zf-pay-scan-line {
      display: none;
    }
    .zf-pay-wallet-address {
      white-space: nowrap;
      overflow-x: auto;
      word-break: normal;
    }
  }
  
  /* 移动端：单列；订单金额与剩余时间左右排 */
  @media (max-width: 576px) {
    .zf-pay-modal-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  
    .zf-pay-modal-body {
      padding: 20px;
    }
  
    .zf-pay-modal-right {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px 20px;
    }
  
    .zf-pay-modal-right .zf-pay-block-amount {
      grid-column: 1;
    }
  
    .zf-pay-modal-right .zf-pay-block-time {
      grid-column: 2;
    }
  
    .zf-pay-modal-right .zf-pay-wallet-card,
    .zf-pay-modal-right .zf-pay-hint {
      grid-column: 1 / -1;
    }
  
    .zf-pay-block-amount .zf-pay-amount {
      font-size: 1.5rem;
    }
  }
  
  /* 提取卡密弹窗：与 layui layer 同层优先，避免被默认样式覆盖 */
  .layui-layer.zf-layer-kami .layui-layer-title {
    font-weight: 600;
    color: var(--zf-text);
  }
  
  .layui-layer.zf-layer-kami .layui-layer-content {
    padding: 16px 20px 12px !important;
    background: #fff !important;
    min-height: 265px !important;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-modal {
    text-align: left;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-list {
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    overflow-y: auto;
    margin-bottom: 12px;
    background: var(--zf-card, #fff);
  }
  
  .layui-layer.zf-layer-kami .zf-kami-item {
    padding: 14px 16px;
    font-family: var(--zf-mono, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);
    font-size: 14px;
    color: var(--zf-text);
    border-bottom: 1px solid var(--zf-border);
    word-break: break-all;
    background: #fff;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-item:last-child {
    border-bottom: none;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-tip {
    font-size: 12px;
    color: var(--zf-text-secondary);
    margin: 0;
    flex: 1;
    min-width: 0;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-actions {
    margin: 0;
    display: flex;
    flex-shrink: 0;
  }
  
  .layui-layer.zf-layer-kami .zf-kami-actions .zf-kami-copy-btn {
    min-width: 120px;
  }
  
  @media (max-width: 768px) {
    .layui-layer.zf-layer-kami .layui-layer-title {
      padding-right: 40px;
    }
    .layui-layer.zf-layer-kami .zf-kami-footer-row {
      flex-direction: column;
      align-items: stretch;
    }
    .layui-layer.zf-layer-kami .zf-kami-actions .zf-kami-copy-btn {
      width: 100%;
      min-width: 0;
    }
  }
  
  /* 无 skin 时仍生效的兜底（内容在 layer 内） */
  .zf-kami-modal { text-align: left; }
  .zf-kami-list {
    border: 1px solid var(--zf-border);
    border-radius: var(--zf-radius-sm);
    overflow: hidden;
    margin-bottom: 10px;
  }
  .zf-kami-item {
    padding: 12px 14px;
    font-family: var(--zf-mono, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);
    font-size: 14px;
    color: var(--zf-text);
    border-bottom: 1px solid var(--zf-border);
    word-break: break-all;
    background: #fff;
  }
  .zf-kami-item:last-child { border-bottom: none; }
  .zf-kami-tip { font-size: 12px; color: var(--zf-text-secondary); }
  
  .zf-order-tip {
    border: 1px solid rgba(37, 99, 235, 0.18);
    background: rgba(37, 99, 235, 0.08);
    color: var(--zf-text-secondary);
    border-radius: var(--zf-radius-sm);
    margin-bottom: 0;
  }
  
  
  /* 订单查询：<1024px 单栏，右侧结果区隐藏（改在 modal 显示） */
  @media (max-width: 1023px) {
    .zf-query-shell {
      padding: 20px;
    }
    .zf-query-layout {
      display: block;
    }
    .zf-query-nav {
      width: auto;
      flex: none;
      flex-direction: row;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 16px;
    }
    .zf-query-nav a {
      border-left: 0;
      border-bottom: 2px solid transparent;
      padding: 8px 10px;
    }
    .zf-query-nav a.zf-query-nav-active {
      border-left-color: transparent;
      border-bottom-color: var(--zf-primary);
    }
    .zf-query-center {
      max-width: none;
      min-height: auto;
    }
    .zf-query-result-col {
      width: auto;
      flex: none;
      margin-top: 18px;
      display: block;
    }
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .zf-pay-page {
      max-width: none;
    }
    .zf-pay-title {
      font-size: 30px;
    }
    .zf-pay-methods {
      grid-template-columns: 1fr;
    }
    .zf-order-kv-row {
      align-items: flex-start;
      flex-direction: column;
      gap: 6px;
    }
    .zf-order-kv-row span:last-child {
      text-align: left;
    }
    .zf-main {
      padding-top: 12px;
    }
    .zf-hero {
      padding: 24px 20px 20px;
    }
    .zf-hero-title { font-size: 24px; margin-bottom: 8px; }
    .zf-hero-inner {
      flex-direction: column;
      text-align: center;
    }
    .hero-eyebrow { margin-bottom: 8px; font-size: 12px; }
    .zf-hero-sub { margin-left: auto; margin-right: auto; margin-bottom: 0; font-size: 14px; }
    .zf-hero-actions { display: none !important; }
    .hero-stats { display: none !important; }
    .zf-section,
    .zf-products-section,
    .zf-trust-section,
    .zf-why-section,
    .zf-steps-section,
    .zf-testimonials-section,
    .zf-related-section {
      padding-top: 48px;
      padding-bottom: 48px;
    }
    .zf-query-wrapper {
      padding: 16px;
      padding-top: 20px;
    }
    .zf-member-auth .layui-card.zf-query-card {
      max-width: none;
    }
    .zf-query-page-title {
      font-size: 22px;
    }
    .zf-query-page-sub {
      font-size: 13px;
    }
    .zf-query-result-col {
      display: none;
    }
    .zf-member-wrap { padding-top: 24px; }
    .zf-member-card .layui-card-body { padding: 20px 24px; }
    .zf-article-detail-layout {
      display: block;
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
    }
    .zf-article-detail-section .container-xxl {
      width: 100%;
      max-width: 100%;
      padding-left: 12px;
      padding-right: 12px;
      box-sizing: border-box;
    }
    .zf-notice {
      margin-bottom: 16px;
      padding: 14px 20px;
    }
    .zf-products-section {
      padding-top: 12px;
    }
    .zf-products-heading,
    .zf-products-sub {
      color: #111;
    }
    .zf-products-sub { font-size: 15px; } /* 比标签 13px 大一号 */
    .zf-article-detail-sidebar {
      position: static;
      display: none; /* 仅手机端隐藏右侧推荐文章 */
    }
    .zf-article-detail-main {
      min-width: 0; /* 防止 grid 子项被挤压 */
      width: 100%;
    }
    .zf-article-detail-card {
      padding: 28px 8px;
      min-width: 0;
      width: 100%;
      box-sizing: border-box;
    }
    .zf-article-detail-header {
      display: block;
      width: 100%;
      min-width: 0;
    }
    .zf-article-detail-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
      width: 100%;
    }
    .zf-article-detail-meta span + span {
      margin-left: 0;
    }
    .zf-article-detail-content {
      overflow-wrap: break-word;
      word-break: break-word;
      max-width: 100%;
      width: 100%;
      box-sizing: border-box;
    }
    .zf-article-detail-content table {
      display: block;
      overflow-x: auto;
      max-width: 100%;
    }
    .zf-article-detail-content > * {
      max-width: 100%;
      box-sizing: border-box;
    }
    .zf-article-list-grid {
      grid-template-columns: 1fr;
    }
    .zf-article-list-cats {
      position: sticky;
      top: 0;
      z-index: 10;
      display: flex;
      flex-wrap: nowrap;
      justify-content: flex-start;
      gap: 10px;
      margin-bottom: 20px;
      padding: 10px 24px;
      min-height: 44px;
      box-sizing: border-box;
      overflow-x: auto;
      overflow-y: hidden;
      -webkit-overflow-scrolling: touch;
      scroll-padding-inline: 24px;
      background: var(--zf-bg, #fff);
    }
    /* 避免小屏下父级裁切分类条：文章列表区不裁剪溢出 */
    .zf-article-list-section .container-xxl {
      overflow-x: visible;
    }
    .zf-article-list-cats::-webkit-scrollbar {
      height: 4px;
    }
    .zf-article-list-cat {
      flex-shrink: 0;
      padding: 8px 14px;
      font-size: 13px;
    }
    .zf-article-hero {
      height: 280px;
    }
    .zf-article-hero-title {
      font-size: 22px;
    }
  }
  
  /* ========== 数字产品观察（文章列表） ========== */
  .zf-article-list-section {
    padding-top: 48px;
    padding-bottom: var(--zf-section-padding);
  }
  
  .zf-article-list-head {
    text-align: center;
    margin-bottom: 48px;
  }
  
  .zf-article-list-head .zf-section-eyebrow {
    margin: 0 0 8px;
    color: var(--zf-primary);
    font-size: 14px;
    font-weight: 600;
  }
  
  .zf-article-list-title-main {
    font-size: var(--text-h2);
    font-weight: 800;
    color: var(--zf-text);
    margin: 0 0 12px;
  }
  
  .zf-article-list-sub {
    margin: 0;
    font-size: var(--text-body);
    color: var(--zf-text-secondary);
  }
  
  /* 分类横向导航：标题下方，页面级筛选 */
  .zf-article-list-cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 16px;
    margin-bottom: 32px;
  }
  .zf-article-list-cat {
    display: inline-block;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--zf-text-secondary);
    background: var(--zf-card);
    border: 1px solid var(--zf-border);
    border-radius: 999px;
    text-decoration: none;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
  }
  .zf-article-list-cat:hover {
    color: var(--zf-primary);
    border-color: var(--zf-primary);
    background: rgba(37, 99, 235, 0.06);
  }
  .zf-article-list-cat-active {
    color: #fff;
    background: var(--zf-primary);
    border-color: var(--zf-primary);
  }
  .zf-article-list-cat-active:hover {
    color: #fff;
    background: var(--zf-primary);
    border-color: var(--zf-primary);
  }
  
  .zf-article-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
  }
  
  /* 博客卡片式列表：大屏三列、中屏两列、小屏一列 */
  .zf-blog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
  
  @media (max-width: 992px) {
    .zf-blog-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 600px) {
    .zf-blog-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  }
  
  .zf-article-list-card {
    display: block;
    background: var(--zf-card);
    border-radius: var(--zf-radius-sm);
    box-shadow: var(--zf-shadow);
    padding: 28px 32px;
    text-decoration: none;
    color: inherit;
    border: 1px solid transparent;
    transition: box-shadow 0.2s, border-color 0.2s;
  }
  
  .zf-blog-card {
    padding: 0;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .zf-blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--zf-border);
  }
  
  .zf-blog-card-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--zf-bg);
  }
  
  .zf-blog-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .zf-blog-card-content {
    padding: 20px;
  }
  
  .zf-blog-card-category {
    font-size: 12px;
    color: var(--zf-primary);
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 6px;
  }
  
  .zf-article-list-card:hover {
    box-shadow: var(--zf-shadow-hover);
    border-color: var(--zf-border);
  }
  
  .zf-blog-card .zf-article-list-card-title {
    font-size: 18px;
    margin: 10px 0 8px;
  }
  
  .zf-blog-card .zf-article-list-card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 14px;
    color: #666;
  }
  
  .zf-blog-card-meta {
    font-size: 12px;
    color: #999;
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
  }
  
  .zf-article-list-card-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--zf-text);
    line-height: 1.35;
  }
  
  .zf-article-list-card-excerpt {
    font-size: 14px;
    color: var(--zf-text-secondary);
    line-height: 1.6;
    margin: 0 0 14px;
  }
  
  .zf-article-list-card-meta {
    font-size: 13px;
    color: var(--zf-text-secondary);
  }
  
  .zf-article-list-card-meta span + span {
    margin-left: 16px;
  }
  
  /* 相关文章：与用户评价同 container-xxl 对齐，上下留白约 100px 一致 */
  .zf-related-section {
    padding-top: 0;
    padding-bottom: 48px;
  }
  .zf-related-section .zf-article-related-wrap {
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-top: none;
  }
  .zf-article-related-wrap {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }
  
  .zf-article-related-head {
    margin: 0 0 32px;
  }
  .zf-article-related-head .zf-section-eyebrow {
    margin-bottom: var(--space-8);
  }
  .zf-article-related-head .zf-section-title {
    margin-bottom: 0;
  }
  
  .zf-related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 0;
  }
  
  .zf-related-card {
    background: var(--zf-card-bg, #fff);
    border-radius: var(--zf-radius, 8px);
    overflow: hidden;
    border: 1px solid var(--zf-border);
    display: flex;
    flex-direction: column;
  }
  
  .zf-related-cover-link {
    display: block;
    line-height: 0;
  }
  
  .zf-related-cover {
    aspect-ratio: 21 / 9;
    overflow: hidden;
    background: var(--zf-bg-secondary, #f5f5f5);
  }
  
  .zf-related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .zf-related-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  
  .zf-related-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.35;
  }
  
  .zf-related-title a {
    color: var(--zf-text);
    text-decoration: none;
  }
  
  .zf-related-title a:hover {
    color: var(--zf-primary, #206bc4);
  }
  
  .zf-related-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--zf-border);
  }
  
  .zf-related-more {
    font-size: 13px;
    color: var(--zf-primary, #206bc4);
    text-decoration: none;
    white-space: nowrap;
  }
  
  .zf-related-more:hover {
    text-decoration: underline;
  }
  
  /* 分类胶囊：与页面“自动发货”徽章同款（圆角药丸、浅底深字） */
  .zf-related-category {
    display: inline-block;
    padding: 6px 12px;
    font-size: var(--text-small, 12px);
    font-weight: 600;
    color: var(--zf-primary, #206bc4);
    background: rgba(37, 99, 235, 0.12);
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
  }
  
  .zf-related-category:hover {
    background: rgba(37, 99, 235, 0.2);
    color: var(--zf-primary, #206bc4);
    text-decoration: none;
  }
  
  @media (min-width: 1200px) {
    .zf-related-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }
  
  @media (min-width: 992px) and (max-width: 1199.98px) {
    .zf-related-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  
  @media (min-width: 768px) and (max-width: 991.98px) {
    .zf-related-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 767.98px) {
    .zf-related-grid {
      grid-template-columns: 1fr;
    }
  }
  
  .zf-article-list-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }
  
  .zf-article-list-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--zf-text-secondary);
  }
  
  .zf-article-list-empty p {
    margin: 0 0 16px;
    font-size: 18px;
  }
  
  .zf-article-list-back {
    text-align: center;
  }
  
  /* ========== 文章正文页头图 Hero ========== */
  .zf-article-hero {
    position: relative;
    height: 400px;
    overflow: hidden;
  }
  
  .zf-article-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .zf-article-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
  }
  
  .zf-article-hero-title {
    margin: 0;
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    padding: 0 24px;
    line-height: 1.3;
  }
  
  /* 正文区标题与 Hero 重复时仅对屏幕阅读器保留 */
  .zf-article-detail-title-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  
  /* ========== 文章正文页（含侧栏） ========== */
  .zf-article-detail-section {
    padding-top: 48px;
    padding-bottom: var(--zf-section-padding);
  }
  
  @media (min-width: 769px) {
  .zf-article-detail-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
    align-items: start;
  }
  }
  
  .zf-article-detail-main {
    min-width: 0;
  }
  
  .zf-article-detail-card {
    background: var(--zf-card);
    border-radius: var(--zf-radius-sm);
    box-shadow: var(--zf-shadow);
    overflow: hidden;
    padding: 40px 25px;
  }
  
  .zf-article-detail-header {
    margin-bottom: 28px;
  }
  
  .zf-article-detail-title {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 16px;
    color: var(--zf-text);
    line-height: 1.3;
  }
  
  .zf-article-detail-meta {
    font-size: 14px;
    color: var(--zf-text-secondary);
  }
  
  .zf-article-detail-meta span + span {
    margin-left: 24px;
  }
  
  .zf-article-detail-excerpt {
    padding: 16px 20px;
    background: rgba(37, 99, 235, 0.06);
    border-left: 4px solid var(--zf-primary);
    border-radius: 0 var(--zf-radius-sm) var(--zf-radius-sm) 0;
    margin-bottom: 28px;
    color: var(--zf-text-secondary);
    font-size: 15px;
    line-height: 1.6;
  }
  
  .zf-article-detail-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--zf-border);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .zf-article-detail-sidebar {
    position: sticky;
    top: 24px;
  }
  
  .zf-sidebar-card {
    background: var(--zf-card);
    border-radius: var(--zf-radius-sm);
    box-shadow: var(--zf-shadow);
    padding: 24px;
    border: 1px solid var(--zf-border);
  }
  
  .zf-sidebar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--zf-text);
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--zf-border);
  }
  
  .zf-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  .zf-sidebar-list li {
    margin: 0 0 10px;
  }
  
  .zf-sidebar-list li:last-child {
    margin-bottom: 0;
  }
  
  .zf-sidebar-list a {
    color: var(--zf-text-secondary);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    display: block;
    padding: 4px 0;
    transition: color 0.2s;
  }
  
  .zf-sidebar-list a:hover {
    color: var(--zf-primary);
  }
  
  .zf-sidebar-empty {
    margin: 0 0 16px;
    font-size: 14px;
    color: var(--zf-text-secondary);
  }
  
  .zf-sidebar-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--zf-border);
  }
  
  /* 文章详情正文 */
  .zf-article-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--zf-radius-sm);
  }
  
  .zf-article-detail-content p {
    margin-bottom: 1em;
  }
  
  .zf-article-detail-content h1,
  .zf-article-detail-content h2,
  .zf-article-detail-content h3 {
    margin: 1.25em 0 0.5em;
    color: var(--zf-text);
    font-weight: 700;
  }
  
  .zf-article-detail-content ul,
  .zf-article-detail-content ol {
    margin: 0.75em 0;
    padding-left: 1.5em;
  }
  .zf-article-detail-content ul {
    list-style-type: disc;
  }
  .zf-article-detail-content ol {
    list-style-type: decimal;
  }
  .zf-article-detail-content li {
    list-style: inherit;
    margin-bottom: 0.25em;
  }
  
  .zf-article-detail-content code {
    background: rgba(37, 99, 235, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
  }
  
  .zf-article-detail-content pre,
  .zf-article-detail-content pre code {
    white-space: pre-wrap;
    word-break: break-word;
  }