/**
 * 购物车和结账页面样式
 * Cart & Checkout Page Styles - 统一设计令牌版
 * 
 * @package LightingTheme
 */

/* ========================================
   CSS变量 - 继承主题设计令牌
   ======================================== */

:root {
    /* 基础变量 - 继承主题系统 */
    --lt-cart-bg: var(--theme-bg-secondary, #f5f5f5);
    --lt-cart-card-bg: var(--theme-bg-primary, #ffffff);
    --lt-cart-border: var(--theme-border, #e8e8e8);
    --lt-cart-radius: var(--theme-radius-lg, 12px);
    --lt-cart-shadow: var(--theme-shadow-sm, 0 2px 8px rgba(0, 0, 0, 0.06));
    
    /* 强调色 - 电商橙色 */
    --lt-checkout-accent: var(--theme-gradient-accent-start, #ff5000);
    --lt-checkout-accent-rgb: var(--theme-gradient-accent-rgb, 255, 80, 0);
    --lt-checkout-accent-light: var(--theme-gradient-accent-end, #ff7a45);
    --lt-checkout-success: var(--theme-success, #52c41a);
    --lt-price-color: var(--theme-gradient-accent-start, #ff5000);
    
    /* 渐变 - 使用主题品牌渐变 */
    --lt-page-header-gradient: var(--theme-gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    --lt-card-header-gradient: var(--theme-card-header-gradient-light, linear-gradient(135deg, #f8f9ff 0%, #f0f2ff 100%));
    --lt-card-header-gradient-warm: var(--theme-card-header-gradient-warm, linear-gradient(135deg, #fff7e6 0%, #fff1e6 100%));
    --lt-button-gradient: var(--theme-gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    --lt-section-icon-gradient: var(--theme-gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
}

/* ========================================
   购物车页面布局
   ======================================== */

.lt-cart-page {
    min-height: 100vh;
    background: var(--lt-cart-bg);
    padding: 24px 0 60px;
}

.lt-cart-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 页面标题 - 使用主题品牌渐变 */
.lt-cart-header {
    background: var(--lt-page-header-gradient);
    border-radius: var(--lt-cart-radius);
    padding: 32px 40px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.lt-cart-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.2) 0%, transparent 70%);
    pointer-events: none;
}

.lt-cart-title {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 8px;
    position: relative;
    z-index: 1;
}

.lt-cart-title svg {
    width: 36px;
    height: 36px;
    color: #ffffff;
}

.lt-cart-subtitle {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    position: relative;
    z-index: 1;
}


/* ========================================
   空购物车状态
   ======================================== */

.lt-cart-empty {
    text-align: center;
    padding: 80px 40px;
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
}

.lt-empty-icon {
    margin-bottom: 24px;
}

.lt-empty-icon svg {
    width: 100px;
    height: 100px;
    color: #d9d9d9;
}

.lt-cart-empty h2 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px;
}

.lt-cart-empty p {
    font-size: 14px;
    color: #999;
    margin: 0 0 24px;
}

/* ========================================
   购物车布局
   ======================================== */

.lt-cart-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
    align-items: start;
}

/* ========================================
   购物车商品列表卡片
   ======================================== */

.lt-cart-items {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    overflow: hidden;
}

/* 卡片头部 - 流体渐变 */
.lt-cart-items-header {
    display: grid;
    grid-template-columns: 50px 2fr 120px 160px 120px 60px;
    gap: 16px;
    padding: 16px 20px;
    background: linear-gradient(90deg, #fafafa 0%, #f5f5f5 100%);
    border-bottom: 1px solid var(--lt-cart-border);
    font-size: 13px;
    font-weight: 500;
    color: #666;
    align-items: center;
}

.lt-cart-items-header .lt-header-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lt-cart-items-header .lt-header-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--lt-checkout-accent);
    cursor: pointer;
}

/* ========================================
   购物车商品项 - 淘宝风格
   ======================================== */

.lt-cart-item {
    display: grid;
    grid-template-columns: 50px 2fr 120px 160px 120px 60px;
    gap: 16px;
    padding: 20px;
    border-bottom: 1px solid var(--lt-cart-border);
    align-items: center;
    transition: background 0.2s ease;
}

.lt-cart-item:last-child {
    border-bottom: none;
}

.lt-cart-item:hover {
    background: #fafafa;
}

/* 复选框 */
.lt-item-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lt-item-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--lt-checkout-accent);
    cursor: pointer;
}

/* 商品信息 */
.lt-item-product {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.lt-item-thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    background: #f5f5f5;
    flex-shrink: 0;
    border: 1px solid #eee;
}

.lt-item-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lt-item-thumbnail a {
    display: block;
}

.lt-item-details {
    flex: 1;
    min-width: 0;
}

.lt-item-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin: 0 0 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lt-item-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.lt-item-name a:hover {
    color: var(--lt-checkout-accent);
}

/* SKU/规格信息 */
.lt-item-sku {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: #f5f5f5;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
    max-width: 100%;
}

.lt-item-sku:hover {
    background: #eee;
}

.lt-item-sku svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.lt-item-sku span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 变体信息 */
.lt-item-variation {
    margin-top: 6px;
}

.lt-item-variation dl {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
}

.lt-item-variation dt,
.lt-item-variation dd {
    display: inline;
    font-size: 12px;
    color: #999;
    margin: 0;
}

.lt-item-variation dt::after {
    content: ':';
}

.lt-item-variation dd {
    color: #666;
}


/* ========================================
   价格样式
   ======================================== */

.lt-item-price {
    font-size: 14px;
    color: #333;
}

.lt-item-price .woocommerce-Price-amount {
    color: #333;
}

.lt-item-price del {
    color: #999;
    font-size: 12px;
}

.lt-item-price ins {
    text-decoration: none;
    color: var(--lt-price-color);
    font-weight: 600;
}

/* 小计 - 突出显示 */
.lt-item-subtotal {
    font-size: 16px;
    font-weight: 700;
    color: var(--lt-price-color);
}

/* ========================================
   数量选择器 - 淘宝风格加减按钮
   ======================================== */

.lt-item-quantity .quantity,
.lt-qty-selector {
    display: inline-flex;
    align-items: center;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
}

.lt-qty-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: #fafafa;
    color: #666;
    font-size: 16px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.lt-qty-btn:hover:not(:disabled) {
    background: #f0f0f0;
    color: var(--lt-checkout-accent);
}

.lt-qty-btn:disabled {
    color: #d9d9d9;
    cursor: not-allowed;
}

.lt-qty-btn:active:not(:disabled) {
    background: #e8e8e8;
}

.lt-item-quantity .quantity input[type="number"],
.lt-qty-input {
    width: 50px;
    height: 32px;
    border: none;
    border-left: 1px solid #d9d9d9;
    border-right: 1px solid #d9d9d9;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    background: #fff;
    -moz-appearance: textfield;
}

.lt-item-quantity .quantity input::-webkit-outer-spin-button,
.lt-item-quantity .quantity input::-webkit-inner-spin-button,
.lt-qty-input::-webkit-outer-spin-button,
.lt-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.lt-item-quantity .quantity input:focus,
.lt-qty-input:focus {
    outline: none;
    border-color: var(--lt-checkout-accent);
}

/* ========================================
   删除按钮
   ======================================== */

.lt-item-remove {
    display: flex;
    justify-content: center;
}

.lt-remove-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    color: #999;
    background: transparent;
    transition: all 0.2s ease;
    text-decoration: none;
}

.lt-remove-btn:hover {
    background: #fff1f0;
    color: #ff4d4f;
}

.lt-remove-btn svg {
    width: 18px;
    height: 18px;
}

/* 收藏按钮 */
.lt-favorite-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
}

.lt-favorite-btn:hover {
    border-color: var(--lt-checkout-accent);
    color: var(--lt-checkout-accent);
}

.lt-favorite-btn svg {
    width: 14px;
    height: 14px;
}


/* ========================================
   购物车汇总卡片 - 结算明细
   ======================================== */

.lt-cart-summary {
    position: sticky;
    top: 24px;
}

.lt-summary-card {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    overflow: hidden;
}

/* 卡片头部 - 使用主题渐变 */
.lt-summary-card-header {
    background: var(--lt-card-header-gradient);
    padding: 16px 20px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
}

.lt-summary-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.lt-summary-title svg {
    width: 20px;
    height: 20px;
    color: var(--lt-checkout-accent);
}

.lt-summary-card-body {
    padding: 20px;
}

.lt-summary-rows {
    margin-bottom: 16px;
}

.lt-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 14px;
    border-bottom: 1px dashed #f0f0f0;
}

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

.lt-row-label {
    color: #666;
}

.lt-row-value {
    font-weight: 500;
    color: #333;
}

.lt-coupon-row .lt-row-value {
    color: var(--lt-checkout-success);
}

/* 总计 - 突出显示 */
.lt-summary-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 20px 0 16px;
    margin-top: 16px;
    border-top: 2px solid #f0f0f0;
}

.lt-total-label {
    font-size: 14px;
    color: #333;
}

.lt-total-label span {
    font-size: 12px;
    color: #999;
    margin-left: 4px;
}

.lt-total-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--lt-price-color);
    font-family: 'DIN', 'Helvetica Neue', sans-serif;
}

.lt-total-value small {
    font-size: 16px;
    font-weight: 600;
}

/* 优惠券表单 */
.lt-coupon-form {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f0f0f0;
}

.lt-coupon-input-wrap {
    display: flex;
    gap: 8px;
}

.lt-coupon-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 13px;
    transition: border-color 0.2s;
}

.lt-coupon-input:focus {
    outline: none;
    border-color: var(--lt-checkout-accent);
}

.lt-coupon-input::placeholder {
    color: #bfbfbf;
}

.lt-coupon-btn {
    padding: 10px 16px;
    background: #fff;
    border: 1px solid var(--lt-checkout-accent);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--lt-checkout-accent);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.lt-coupon-btn:hover {
    background: var(--lt-checkout-accent);
    color: #fff;
}

/* 结账按钮 - 大号醒目 */
.lt-checkout-action {
    margin-bottom: 12px;
}

.lt-checkout-action .lt-btn {
    height: 48px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 24px;
}

.lt-continue-shopping {
    margin-bottom: 16px;
}

.lt-continue-shopping .lt-btn {
    height: 40px;
    font-size: 14px;
    border-radius: 20px;
}

/* 安全徽章 */
.lt-security-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

.lt-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999;
}

.lt-badge svg {
    width: 14px;
    height: 14px;
    color: var(--lt-checkout-success);
}


/* ========================================
   结账页面布局
   ======================================== */

.lt-checkout-page {
    min-height: 100vh;
    background: var(--lt-cart-bg);
    padding: 24px 0 60px;
}

.lt-checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 结账标题 - 使用主题品牌渐变 */
.lt-checkout-header {
    background: var(--lt-page-header-gradient);
    border-radius: var(--lt-cart-radius);
    padding: 24px 40px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.lt-checkout-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.2) 0%, transparent 70%);
    pointer-events: none;
}

.lt-checkout-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 16px;
    position: relative;
    z-index: 1;
}

.lt-checkout-title svg {
    width: 28px;
    height: 28px;
    color: #ffffff;
}

/* 步骤指示器 */
.lt-checkout-steps {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    position: relative;
    z-index: 1;
}

.lt-step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lt-step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lt-step-active .lt-step-number {
    background: #ffffff;
    color: var(--lt-checkout-accent);
}

.lt-step-completed .lt-step-number {
    background: #ffffff;
    color: var(--lt-checkout-success);
}

.lt-step-label {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.lt-step-active .lt-step-label {
    color: #ffffff;
}

.lt-step-connector {
    width: 40px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 12px;
}

/* 结账布局 */
.lt-checkout-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 16px;
    align-items: start;
}

/* 结账主区域 */
.lt-checkout-main {
    display: flex;
    flex-direction: column;
    gap: 16px;
}


/* ========================================
   结账区块卡片
   ======================================== */

.lt-checkout-section {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    overflow: hidden;
}

/* 区块头部 - 流体渐变 */
.lt-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: linear-gradient(90deg, #fafafa 0%, #f5f5f5 100%);
    border-bottom: 1px solid var(--lt-cart-border);
}

.lt-section-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--lt-section-icon-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.lt-section-icon svg {
    width: 18px;
    height: 18px;
}

.lt-section-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.lt-section-content {
    padding: 24px;
}

/* ========================================
   结账表单样式
   ======================================== */

.lt-checkout-form .woocommerce-billing-fields,
.lt-checkout-form .woocommerce-shipping-fields {
    margin: 0;
}

.lt-checkout-form .woocommerce-billing-fields__field-wrapper,
.lt-checkout-form .woocommerce-shipping-fields__field-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.lt-checkout-form .form-row {
    margin: 0;
    padding: 0;
}

.lt-checkout-form .form-row-wide {
    grid-column: 1 / -1;
}

.lt-checkout-form .form-row-first {
    grid-column: 1;
}

.lt-checkout-form .form-row-last {
    grid-column: 2;
}

.lt-checkout-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 6px;
}

.lt-checkout-form label .required {
    color: var(--lt-checkout-accent);
}

.lt-checkout-form label .optional {
    font-weight: 400;
    color: #999;
    font-size: 12px;
}

.lt-checkout-form input[type="text"],
.lt-checkout-form input[type="email"],
.lt-checkout-form input[type="tel"],
.lt-checkout-form input[type="number"],
.lt-checkout-form select,
.lt-checkout-form textarea,
.lt-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    font-size: 14px;
    color: #333;
    background: #fff;
    transition: all 0.2s ease;
}

.lt-checkout-form input:focus,
.lt-checkout-form select:focus,
.lt-checkout-form textarea:focus,
.lt-textarea:focus {
    outline: none;
    border-color: var(--lt-checkout-accent);
    box-shadow: 0 0 0 3px rgba(var(--lt-checkout-accent-rgb), 0.1);
}

.lt-checkout-form input::placeholder,
.lt-checkout-form textarea::placeholder,
.lt-textarea::placeholder {
    color: #bfbfbf;
}

.lt-checkout-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Select2 样式覆盖 */
.lt-checkout-form .select2-container--default .select2-selection--single {
    height: 44px;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
}

.lt-checkout-form .select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 42px;
    padding-left: 14px;
    color: #333;
}

.lt-checkout-form .select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 42px;
    right: 8px;
}

.lt-checkout-form .select2-container--default.select2-container--focus .select2-selection--single {
    border-color: var(--lt-checkout-accent);
    box-shadow: 0 0 0 3px rgba(var(--lt-checkout-accent-rgb), 0.1);
}

/* 表单组 */
.lt-form-group {
    margin-bottom: 16px;
}

.lt-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 6px;
}

/* ========================================
   订单详情卡片 - 右侧边栏
   ======================================== */

.lt-checkout-sidebar {
    position: sticky;
    top: 24px;
}

.lt-order-review-card {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    overflow: hidden;
}

.lt-review-title {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    background: var(--lt-card-header-gradient);
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
}

/* 订单商品列表 */
.lt-order-items {
    padding: 16px 20px;
    border-bottom: 1px solid var(--lt-cart-border);
    max-height: 300px;
    overflow-y: auto;
}

.lt-order-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed #f0f0f0;
}

.lt-order-item:last-child {
    border-bottom: none;
}

.lt-item-image {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: 8px;
    overflow: hidden;
    background: #f5f5f5;
    flex-shrink: 0;
}

.lt-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lt-item-qty {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--lt-checkout-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lt-item-info {
    flex: 1;
    min-width: 0;
}

.lt-item-info .lt-item-name {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin: 0 0 4px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lt-item-info dl {
    margin: 0;
    font-size: 11px;
    color: #999;
}

.lt-item-info dt,
.lt-item-info dd {
    display: inline;
    margin: 0;
}

.lt-item-total {
    font-size: 14px;
    font-weight: 600;
    color: var(--lt-price-color);
    white-space: nowrap;
}

/* 订单汇总 */
.lt-order-totals {
    padding: 16px 20px;
    border-bottom: 1px solid var(--lt-cart-border);
}

.lt-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 14px;
    color: #666;
    border-bottom: 1px dashed #f0f0f0;
}

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

.lt-total-row span:last-child {
    font-weight: 500;
    color: #333;
}

.lt-coupon-discount span:last-child {
    color: var(--lt-checkout-success);
}

.lt-grand-total {
    padding-top: 16px;
    margin-top: 8px;
    border-top: 2px solid #f0f0f0;
    border-bottom: none !important;
}

.lt-grand-total span:first-child {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

.lt-grand-total span:last-child {
    font-size: 24px;
    font-weight: 700;
    color: var(--lt-price-color);
}

/* ========================================
   支付方式区块
   ======================================== */

.lt-payment-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--lt-cart-border);
}

.lt-payment-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin: 0 0 16px;
}

.lt-payment-title svg {
    color: var(--lt-checkout-accent);
}

/* WooCommerce 支付方式样式覆盖 */
.lt-payment-methods .woocommerce-checkout-payment {
    background: transparent;
    border-radius: 0;
}

.lt-payment-methods #payment {
    background: transparent;
}

.lt-payment-methods #payment .payment_methods {
    padding: 0;
    margin: 0;
    border: none;
    list-style: none;
}

.lt-payment-methods #payment .payment_methods li {
    margin-bottom: 8px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.lt-payment-methods #payment .payment_methods li:last-child {
    margin-bottom: 0;
}

.lt-payment-methods #payment .payment_methods li:hover {
    border-color: var(--lt-checkout-accent);
}

.lt-payment-methods #payment .payment_methods li label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    margin: 0;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.lt-payment-methods #payment .payment_methods li input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--lt-checkout-accent);
}

.lt-payment-methods #payment .payment_methods li img {
    max-height: 24px;
    width: auto;
}

.lt-payment-methods #payment .payment_box {
    padding: 12px 16px;
    margin: 0;
    background: #fafafa;
    border-top: 1px solid #e8e8e8;
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

.lt-payment-methods #payment .payment_box::before {
    display: none;
}

/* 下单按钮区域样式 */
.lt-payment-methods #payment .place-order {
    padding: 16px 0 0;
    margin-top: 16px;
    border-top: 1px solid #f0f0f0;
}

/* 下单按钮样式 */
.lt-payment-methods #payment .place-order #place_order {
    width: 100%;
    height: 52px;
    padding: 14px 32px;
    background: var(--lt-button-gradient);
    color: #fff;
    border: none;
    border-radius: 26px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transition: all 0.2s ease;
}

.lt-payment-methods #payment .place-order #place_order:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.lt-payment-methods #payment .place-order #place_order:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   下单按钮（备用样式）
   ======================================== */

.lt-place-order-btn {
    padding: 16px 20px;
}

.lt-place-order-btn .lt-btn {
    height: 52px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 26px;
    gap: 10px;
}

/* 安全信息 */
.lt-security-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 16px 20px;
    background: #fafafa;
}

.lt-security-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999;
}

.lt-security-item svg {
    width: 14px;
    height: 14px;
    color: var(--lt-checkout-success);
}

/* ========================================
   登录提示
   ======================================== */

.lt-checkout-login-notice {
    text-align: center;
    padding: 60px 40px;
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
}

.lt-checkout-login-notice p {
    font-size: 16px;
    color: #666;
    margin: 0 0 24px;
}

/* ========================================
   通用按钮样式
   ======================================== */

.lt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    line-height: 1;
}

.lt-btn-primary {
    background: var(--lt-button-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.lt-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    color: #fff;
}

.lt-btn-outline {
    background: transparent;
    border: 1px solid #d9d9d9;
    color: #666;
}

.lt-btn-outline:hover {
    border-color: var(--lt-checkout-accent);
    color: var(--lt-checkout-accent);
}

.lt-btn-lg {
    padding: 14px 32px;
    font-size: 15px;
}

.lt-btn-block {
    width: 100%;
}

.lt-btn svg {
    flex-shrink: 0;
}

/* ========================================
   WooCommerce 消息样式
   ======================================== */

.woocommerce-message,
.woocommerce-info,
.woocommerce-error {
    padding: 16px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.woocommerce-message {
    background: #f6ffed;
    border: 1px solid #b7eb8f;
    color: #52c41a;
}

.woocommerce-info {
    background: #e6f7ff;
    border: 1px solid #91d5ff;
    color: #1890ff;
}

.woocommerce-error {
    background: #fff2f0;
    border: 1px solid #ffccc7;
    color: #ff4d4f;
    list-style: none;
    padding-left: 20px;
}

.woocommerce-error li {
    margin-bottom: 8px;
}

.woocommerce-error li:last-child {
    margin-bottom: 0;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1024px) {
    .lt-cart-layout,
    .lt-checkout-layout {
        grid-template-columns: 1fr;
    }
    
    .lt-cart-summary,
    .lt-checkout-sidebar {
        position: static;
    }
    
    .lt-cart-items-header {
        display: none;
    }
    
    .lt-cart-item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 16px;
    }
    
    .lt-item-product {
        grid-column: 1 / -1;
    }
    
    .lt-item-price,
    .lt-item-quantity,
    .lt-item-subtotal {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .lt-item-price::before {
        content: '单价：';
        font-size: 13px;
        color: #999;
    }
    
    .lt-item-quantity::before {
        content: '数量：';
        font-size: 13px;
        color: #999;
    }
    
    .lt-item-subtotal::before {
        content: '小计：';
        font-size: 13px;
        color: #999;
    }
    
    .lt-item-remove {
        justify-content: flex-end;
    }
    
    .lt-checkout-form .woocommerce-billing-fields__field-wrapper,
    .lt-checkout-form .woocommerce-shipping-fields__field-wrapper {
        grid-template-columns: 1fr;
    }
    
    .lt-checkout-form .form-row-first,
    .lt-checkout-form .form-row-last {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .lt-cart-page,
    .lt-checkout-page {
        padding: 16px 0 40px;
    }
    
    .lt-cart-container,
    .lt-checkout-container {
        padding: 0 12px;
    }
    
    .lt-cart-header,
    .lt-checkout-header {
        padding: 20px 24px;
        margin-bottom: 16px;
    }
    
    .lt-cart-title {
        font-size: 22px;
    }
    
    .lt-cart-title svg {
        width: 28px;
        height: 28px;
    }
    
    .lt-checkout-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .lt-checkout-steps {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .lt-step-connector {
        width: 20px;
        margin: 0 6px;
    }
    
    .lt-step-label {
        font-size: 12px;
    }
    
    .lt-item-thumbnail {
        width: 70px;
        height: 70px;
    }
    
    .lt-summary-total,
    .lt-grand-total span:last-child {
        font-size: 22px;
    }
    
    .lt-security-badges,
    .lt-security-info {
        flex-wrap: wrap;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .lt-cart-header,
    .lt-checkout-header {
        padding: 16px 20px;
    }
    
    .lt-cart-title {
        font-size: 20px;
        gap: 10px;
    }
    
    .lt-cart-title svg {
        width: 24px;
        height: 24px;
    }
    
    .lt-checkout-title {
        font-size: 18px;
    }
    
    .lt-checkout-title svg {
        width: 22px;
        height: 22px;
    }
    
    .lt-step-number {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    
    .lt-item-thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .lt-item-name {
        font-size: 13px;
    }
    
    .lt-section-content {
        padding: 16px;
    }
    
    .lt-order-items {
        padding: 12px 16px;
    }
    
    .lt-order-totals,
    .lt-payment-section,
    .lt-place-order-btn {
        padding: 12px 16px;
    }
}

/* ========================================
   打印样式
   ======================================== */

@media print {
    .lt-cart-page,
    .lt-checkout-page {
        background: #fff;
        padding: 0;
    }
    
    .lt-cart-header,
    .lt-checkout-header {
        background: none;
        color: #333;
        padding: 20px 0;
        border-bottom: 2px solid #333;
    }
    
    .lt-cart-title,
    .lt-checkout-title {
        color: #333;
    }
    
    .lt-cart-summary,
    .lt-checkout-sidebar {
        position: static;
    }
    
    .lt-btn,
    .lt-coupon-form,
    .lt-payment-section,
    .lt-security-badges,
    .lt-security-info {
        display: none;
    }
}


/* ========================================
   购物车底部操作栏
   ======================================== */

.lt-cart-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    margin-top: 16px;
}

.lt-cart-batch-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lt-select-all-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
}

.lt-select-all-wrap input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--lt-checkout-accent);
}

.lt-batch-delete-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 13px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
}

.lt-batch-delete-btn:hover:not(:disabled) {
    border-color: #ff4d4f;
    color: #ff4d4f;
    background: #fff1f0;
}

.lt-batch-delete-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.lt-cart-update {
    display: flex;
    gap: 12px;
}

.lt-update-cart-btn {
    gap: 6px;
}

.lt-update-cart-btn.lt-loading {
    opacity: 0.7;
    pointer-events: none;
}

/* 删除动画 */
.lt-cart-item.lt-removing {
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.3s ease;
}

/* 选中状态高亮 */
.lt-cart-item.lt-selected {
    background: #fff7e6;
}

/* 支付方式选中状态 */
.lt-payment-methods #payment .payment_methods li.lt-selected {
    border-color: var(--lt-checkout-accent);
    background: #fff7e6;
}

/* ========================================
   移动端底部固定结算栏
   ======================================== */

@media (max-width: 1024px) {
    .lt-cart-actions-bar {
        flex-direction: column;
        gap: 16px;
    }
    
    .lt-cart-batch-actions,
    .lt-cart-update {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .lt-cart-actions-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        margin: 0;
        border-radius: 16px 16px 0 0;
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .lt-cart-page {
        padding-bottom: 120px;
    }
    
    .lt-cart-batch-actions {
        padding-bottom: 8px;
        border-bottom: 1px solid #f0f0f0;
    }
}

/* ========================================
   结账页面 - 登录/注册选项区域
   ======================================== */

.lt-checkout-auth-section {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    padding: 24px;
    margin-bottom: 24px;
}

.lt-auth-options {
    display: flex;
    align-items: stretch;
    gap: 24px;
}

.lt-auth-option {
    flex: 1;
    display: flex;
    gap: 16px;
    padding: 20px;
    border-radius: 12px;
    background: #fafafa;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.lt-auth-option:hover {
    border-color: var(--lt-checkout-accent);
    background: #fff;
}

.lt-auth-option-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--lt-section-icon-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lt-auth-option-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.lt-auth-guest .lt-auth-option-icon {
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
}

.lt-auth-option-content {
    flex: 1;
}

.lt-auth-option-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 6px;
}

.lt-auth-option-content p {
    font-size: 13px;
    color: #666;
    margin: 0 0 12px;
    line-height: 1.5;
}

.lt-auth-option .lt-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    border: 1px solid var(--lt-checkout-accent);
    color: var(--lt-checkout-accent);
    background: transparent;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.lt-auth-option .lt-btn-outline:hover {
    background: var(--lt-checkout-accent);
    color: #fff;
}

.lt-auth-divider {
    display: flex;
    align-items: center;
    padding: 0 8px;
}

.lt-auth-divider span {
    font-size: 13px;
    color: #999;
    background: var(--lt-cart-card-bg);
    padding: 8px 12px;
    border-radius: 20px;
    border: 1px solid #e8e8e8;
}

.lt-guest-notice {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 8px 12px;
    background: #fffbe6;
    border-radius: 6px;
    font-size: 12px;
    color: #ad6800;
    line-height: 1.4;
}

.lt-guest-notice svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* 已登录用户欢迎信息 */
.lt-checkout-welcome {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, #f6ffed 0%, #e6fffb 100%);
    border: 1px solid #b7eb8f;
    border-radius: var(--lt-cart-radius);
    padding: 16px 24px;
    margin-bottom: 24px;
}

.lt-welcome-icon img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #52c41a;
}

.lt-welcome-content p {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin: 0 0 2px;
}

.lt-welcome-hint {
    font-size: 13px;
    color: #52c41a;
}

/* 创建账户区域 */
.lt-create-account-section {
    margin-bottom: 24px;
}

.lt-create-account-toggle {
    padding: 20px 24px;
    background: linear-gradient(135deg, #fff7e6 0%, #fff1e6 100%);
    border-bottom: 1px solid #ffe7ba;
}

.lt-create-account-toggle .lt-checkbox-wrap {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.lt-create-account-toggle input[type="checkbox"] {
    display: none;
}

.lt-checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #d9d9d9;
    border-radius: 4px;
    background: #fff;
    flex-shrink: 0;
    position: relative;
    transition: all 0.2s ease;
    margin-top: 2px;
}

.lt-create-account-toggle input[type="checkbox"]:checked + .lt-checkbox-custom {
    background: var(--lt-checkout-accent);
    border-color: var(--lt-checkout-accent);
}

.lt-create-account-toggle input[type="checkbox"]:checked + .lt-checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.lt-checkbox-label {
    flex: 1;
}

.lt-checkbox-label strong {
    display: block;
    font-size: 15px;
    color: #333;
    margin-bottom: 2px;
}

.lt-checkbox-label small {
    font-size: 13px;
    color: #666;
}

.lt-create-account-fields {
    padding: 24px;
    display: block;
}

.lt-create-account-fields.hidden {
    display: none;
}

.lt-form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.lt-form-group {
    margin-bottom: 0;
}

.lt-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 6px;
}

.lt-form-group label .required {
    color: var(--lt-checkout-accent);
}

.lt-form-group .lt-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s ease;
}

.lt-form-group .lt-input:focus {
    outline: none;
    border-color: var(--lt-checkout-accent);
    box-shadow: 0 0 0 3px rgba(var(--lt-checkout-accent-rgb), 0.1);
}

/* 响应式 */
@media (max-width: 768px) {
    .lt-auth-options {
        flex-direction: column;
    }
    
    .lt-auth-divider {
        padding: 8px 0;
    }
    
    .lt-auth-divider span {
        width: 100%;
        text-align: center;
    }
    
    .lt-checkout-welcome {
        padding: 12px 16px;
    }
    
    .lt-form-row {
        grid-template-columns: 1fr;
    }
    
    .lt-create-account-toggle {
        padding: 16px;
    }
    
    .lt-create-account-fields {
        padding: 16px;
    }
}


/* ========================================
   订单查询页面样式
   ======================================== */

.lt-order-tracking-page {
    min-height: 100vh;
    background: var(--lt-cart-bg);
    padding: 24px 0 60px;
}

.lt-tracking-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px;
}

.lt-tracking-header {
    background: var(--lt-page-header-gradient);
    border-radius: var(--lt-cart-radius);
    padding: 32px 40px;
    margin-bottom: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.lt-tracking-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.2) 0%, transparent 70%);
    pointer-events: none;
}

.lt-tracking-title {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 8px;
    position: relative;
    z-index: 1;
}

.lt-tracking-title svg {
    width: 32px;
    height: 32px;
}

.lt-tracking-subtitle {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    position: relative;
    z-index: 1;
}

.lt-tracking-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 查询表单卡片 */
.lt-tracking-form-card {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    padding: 0;
    overflow: hidden;
}

/* 表单头部 */
.lt-tracking-form-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 32px;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f2ff 100%);
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
}

.lt-form-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--lt-button-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.lt-form-icon svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

.lt-form-header-text h2 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 0 0 4px;
}

.lt-form-header-text p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.lt-tracking-form {
    padding: 32px;
    margin-bottom: 0;
}

.lt-tracking-form .lt-form-group {
    margin-bottom: 24px;
}

.lt-tracking-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.lt-tracking-form label svg {
    width: 18px;
    height: 18px;
    color: #666;
}

.lt-tracking-form label .lt-required {
    color: #ff4d4f;
    margin-left: 2px;
}

.lt-tracking-form .lt-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.2s ease;
    background: #fafafa;
}

.lt-tracking-form .lt-input-lg {
    padding: 16px 20px;
    font-size: 16px;
}

.lt-tracking-form .lt-input:focus {
    outline: none;
    border-color: var(--lt-checkout-accent);
    box-shadow: 0 0 0 4px rgba(var(--lt-checkout-accent-rgb), 0.1);
    background: #fff;
}

.lt-tracking-form .lt-input::placeholder {
    color: #bfbfbf;
}

.lt-input-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999;
    margin-top: 8px;
}

.lt-input-hint svg {
    flex-shrink: 0;
    color: #bfbfbf;
}

/* 查询按钮 - 大号醒目设计 */
.lt-tracking-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 60px;
    padding: 0 32px;
    margin-top: 32px;
    background: linear-gradient(135deg, #ff5000 0%, #ff7a45 100%);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 80, 0, 0.35);
    position: relative;
    overflow: hidden;
}

.lt-tracking-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.lt-tracking-submit-btn:hover::before {
    left: 100%;
}

.lt-tracking-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 80, 0, 0.45);
}

.lt-tracking-submit-btn:active {
    transform: translateY(-1px);
}

.lt-tracking-submit-btn .lt-btn-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.lt-tracking-submit-btn .lt-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.lt-tracking-submit-btn .lt-btn-icon svg {
    width: 18px;
    height: 18px;
    color: #fff;
}

.lt-tracking-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fff2f0;
    border: 1px solid #ffccc7;
    border-radius: 8px;
    color: #cf1322;
    font-size: 14px;
    margin-bottom: 20px;
}

.lt-tracking-error svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.lt-tracking-tips {
    padding: 24px 32px;
    background: #fafafa;
    border-top: 1px solid #f0f0f0;
}

.lt-tracking-tips h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin: 0 0 12px;
}

.lt-tracking-tips h4 svg {
    color: #1890ff;
}

.lt-tracking-tips ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.lt-tracking-tips li {
    position: relative;
    padding-left: 16px;
    font-size: 13px;
    color: #666;
    line-height: 1.8;
}

.lt-tracking-tips li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--lt-checkout-accent);
}

/* 订单查询结果 */
.lt-order-result {
    background: var(--lt-cart-card-bg);
    border-radius: var(--lt-cart-radius);
    box-shadow: var(--lt-cart-shadow);
    overflow: hidden;
}

.lt-result-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, #f6ffed 0%, #e6fffb 100%);
    border-bottom: 1px solid #b7eb8f;
}

.lt-result-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lt-result-success {
    background: #52c41a;
    color: #fff;
}

.lt-result-icon svg {
    width: 24px;
    height: 24px;
}

.lt-result-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 0 0 4px;
}

.lt-order-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.lt-status-pending { background: #fff7e6; color: #d46b08; }
.lt-status-processing { background: #e6f7ff; color: #096dd9; }
.lt-status-on-hold { background: #fff1f0; color: #cf1322; }
.lt-status-completed { background: #f6ffed; color: #389e0d; }
.lt-status-cancelled { background: #f5f5f5; color: #8c8c8c; }
.lt-status-refunded { background: #f9f0ff; color: #722ed1; }
.lt-status-failed { background: #fff1f0; color: #cf1322; }

.lt-result-body {
    padding: 24px;
}

.lt-result-section {
    margin-bottom: 24px;
}

.lt-result-section:last-child {
    margin-bottom: 0;
}

.lt-result-section h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin: 0 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f0f0f0;
}

.lt-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.lt-info-item {
    text-align: center;
    padding: 12px;
    background: #fafafa;
    border-radius: 8px;
}

.lt-info-label {
    display: block;
    font-size: 12px;
    color: #999;
    margin-bottom: 4px;
}

.lt-info-value {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.lt-info-value.lt-price {
    color: var(--lt-price-color);
}

.lt-order-result .lt-order-items {
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
}

.lt-order-result .lt-order-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.lt-order-result .lt-order-item:last-child {
    border-bottom: none;
}

.lt-order-result .lt-item-image {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.lt-order-result .lt-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lt-order-result .lt-item-details {
    flex: 1;
}

.lt-order-result .lt-item-name {
    font-size: 14px;
    color: #333;
    margin: 0 0 4px;
}

.lt-order-result .lt-item-qty {
    font-size: 13px;
    color: #999;
}

.lt-order-result .lt-item-total {
    font-size: 14px;
    font-weight: 500;
    color: var(--lt-price-color);
}

.lt-shipping-address {
    padding: 16px;
    background: #fafafa;
    border-radius: 8px;
}

.lt-shipping-address p {
    margin: 0;
    font-size: 14px;
    color: #333;
    line-height: 1.6;
}

.lt-result-footer {
    padding: 20px 24px;
    background: #fafafa;
    border-top: 1px solid #f0f0f0;
    text-align: center;
}

.lt-result-footer p {
    font-size: 13px;
    color: #666;
    margin: 0 0 12px;
}

/* 响应式 */
@media (max-width: 768px) {
    .lt-tracking-header {
        padding: 24px 20px;
    }
    
    .lt-tracking-title {
        font-size: 22px;
    }
    
    .lt-tracking-form-card {
        padding: 20px;
    }
    
    .lt-info-grid {
        grid-template-columns: 1fr;
    }
    
    .lt-result-header {
        flex-direction: column;
        text-align: center;
    }
}


/* ========================================
   订单确认页 - Thank You Page
   ======================================== */

.lt-thankyou-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* 成功/失败状态图标 */
.lt-status-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.lt-status-icon svg {
    width: 48px;
    height: 48px;
}

.lt-status-success {
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(82, 196, 26, 0.3);
}

.lt-status-failed {
    background: linear-gradient(135deg, #ff4d4f 0%, #ff7875 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(255, 77, 79, 0.3);
}

/* 标题和消息 */
.lt-thankyou-header {
    text-align: center;
    margin-bottom: 32px;
}

.lt-thankyou-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0 0 12px;
}

.lt-thankyou-message {
    font-size: 16px;
    color: #666;
    margin: 0;
}

/* 重要信息卡片 */
.lt-important-info-card {
    background: linear-gradient(135deg, #fff7e6 0%, #fffbe6 100%);
    border: 1px solid #ffe58f;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
}

.lt-info-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: rgba(250, 173, 20, 0.1);
    border-bottom: 1px solid #ffe58f;
    font-weight: 600;
    color: #d48806;
}

.lt-info-card-header svg {
    width: 20px;
    height: 20px;
    color: #faad14;
}

.lt-info-card-body {
    padding: 20px;
}

.lt-key-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.lt-key-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
}

.lt-key-label {
    font-size: 13px;
    color: #999;
    min-width: 70px;
}

.lt-key-value {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    flex: 1;
}

.lt-order-number {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 18px;
    color: var(--lt-checkout-accent, #ff5000);
}

.lt-copy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    background: #fff;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
}

.lt-copy-btn:hover {
    border-color: var(--lt-checkout-accent, #ff5000);
    color: var(--lt-checkout-accent, #ff5000);
}

.lt-copy-btn.lt-copied {
    background: var(--lt-checkout-success, #52c41a);
    border-color: var(--lt-checkout-success, #52c41a);
    color: #fff;
}

.lt-new-badge {
    display: inline-flex;
    padding: 2px 8px;
    background: var(--lt-checkout-success, #52c41a);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
}

.lt-info-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #666;
    margin: 0;
    padding-top: 12px;
    border-top: 1px dashed #ffe58f;
}

.lt-info-hint svg {
    flex-shrink: 0;
    color: #faad14;
}

/* 订单详情卡片 */
.lt-order-details-card,
.lt-shipping-card {
    background: var(--lt-cart-card-bg, #fff);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    margin-bottom: 24px;
}

.lt-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    background: linear-gradient(90deg, #fafafa 0%, #f5f5f5 100%);
    border-bottom: 1px solid #f0f0f0;
}

.lt-card-title svg {
    width: 20px;
    height: 20px;
    color: var(--lt-checkout-accent, #ff5000);
}

/* 订单元信息 */
.lt-order-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
}

.lt-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    background: #fff;
    text-align: center;
}

.lt-meta-label {
    font-size: 12px;
    color: #999;
}

.lt-meta-value {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.lt-order-status {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.lt-status-pending {
    background: #fff7e6;
    color: #d48806;
}

.lt-status-processing {
    background: #e6f7ff;
    color: #1890ff;
}

.lt-status-completed {
    background: #f6ffed;
    color: #52c41a;
}

.lt-status-on-hold {
    background: #f5f5f5;
    color: #666;
}

/* 商品列表 */
.lt-order-items {
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.lt-items-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin: 0 0 16px;
}

.lt-order-details-card .lt-order-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed #f0f0f0;
}

.lt-order-details-card .lt-order-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.lt-order-details-card .lt-item-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    background: #f5f5f5;
    flex-shrink: 0;
}

.lt-order-details-card .lt-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lt-order-details-card .lt-item-details {
    flex: 1;
    min-width: 0;
}

.lt-order-details-card .lt-item-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin: 0 0 4px;
}

.lt-item-meta {
    font-size: 12px;
    color: #999;
    margin-bottom: 4px;
}

.lt-item-meta span {
    margin-right: 12px;
}

.lt-order-details-card .lt-item-qty {
    font-size: 13px;
    color: #666;
}

.lt-order-details-card .lt-item-total {
    font-size: 15px;
    font-weight: 600;
    color: var(--lt-price-color, #ff5000);
    white-space: nowrap;
}

/* 订单金额汇总 */
.lt-order-details-card .lt-order-totals {
    padding: 20px;
}

.lt-order-details-card .lt-total-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    color: #666;
}

.lt-order-details-card .lt-total-row span:last-child {
    font-weight: 500;
    color: #333;
}

.lt-order-details-card .lt-discount span:last-child {
    color: var(--lt-checkout-success, #52c41a);
}

.lt-order-details-card .lt-grand-total {
    margin-top: 12px;
    padding-top: 16px;
    border-top: 2px solid #f0f0f0;
}

.lt-order-details-card .lt-grand-total span:first-child {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

.lt-order-details-card .lt-grand-total span:last-child {
    font-size: 20px;
    font-weight: 700;
    color: var(--lt-price-color, #ff5000);
}

/* 配送信息 */
.lt-shipping-address {
    padding: 20px;
}

.lt-recipient {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 0 0 8px;
    font-size: 15px;
}

.lt-recipient strong {
    color: #333;
}

.lt-phone {
    color: #666;
}

.lt-address {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 新账户提示卡片 */
.lt-new-account-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #f6ffed 0%, #e6fffb 100%);
    border: 1px solid #b7eb8f;
    border-radius: 12px;
    margin-bottom: 24px;
}

.lt-account-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--lt-checkout-success, #52c41a);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lt-account-icon svg {
    width: 24px;
    height: 24px;
}

.lt-account-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px;
}

.lt-account-info p {
    font-size: 14px;
    color: #666;
    margin: 0 0 8px;
    line-height: 1.6;
}

.lt-account-hint {
    font-size: 13px;
    color: #999;
}

/* 访客提醒卡片 */
.lt-guest-reminder-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f5ff 100%);
    border: 1px solid #91d5ff;
    border-radius: 12px;
    margin-bottom: 24px;
}

.lt-reminder-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #1890ff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lt-reminder-icon svg {
    width: 24px;
    height: 24px;
}

.lt-reminder-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px;
}

.lt-reminder-content p {
    font-size: 14px;
    color: #666;
    margin: 0 0 12px;
}

.lt-reminder-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
}

.lt-reminder-content li {
    font-size: 14px;
    color: #333;
    padding: 6px 0;
}

.lt-tracking-link {
    font-size: 13px;
    color: #666;
}

.lt-tracking-link a {
    color: #1890ff;
    text-decoration: none;
}

.lt-tracking-link a:hover {
    text-decoration: underline;
}

/* 操作按钮 */
.lt-thankyou-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.lt-thankyou-actions .lt-btn {
    min-width: 160px;
}

/* 失败/空状态 */
.lt-thankyou-failed,
.lt-thankyou-empty {
    text-align: center;
    padding: 60px 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .lt-thankyou-page {
        padding: 24px 16px 60px;
    }
    
    .lt-status-icon {
        width: 64px;
        height: 64px;
    }
    
    .lt-status-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .lt-thankyou-title {
        font-size: 22px;
    }
    
    .lt-order-meta {
        grid-template-columns: 1fr;
    }
    
    .lt-meta-item {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
    
    .lt-new-account-card,
    .lt-guest-reminder-card {
        flex-direction: column;
        text-align: center;
    }
    
    .lt-account-icon,
    .lt-reminder-icon {
        margin: 0 auto;
    }
    
    .lt-thankyou-actions {
        flex-direction: column;
    }
    
    .lt-thankyou-actions .lt-btn {
        width: 100%;
    }
}

/* ========================================
   订单查询页面响应式
   ======================================== */

@media (max-width: 768px) {
    .lt-tracking-form-header {
        padding: 20px;
        flex-direction: column;
        text-align: center;
    }
    
    .lt-form-icon {
        width: 48px;
        height: 48px;
    }
    
    .lt-form-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .lt-form-header-text h2 {
        font-size: 18px;
    }
    
    .lt-tracking-form {
        padding: 20px;
    }
    
    .lt-tracking-form .lt-input-lg {
        padding: 14px 16px;
        font-size: 15px;
    }
    
    .lt-tracking-submit-btn {
        height: 54px;
        margin-top: 24px;
    }
    
    .lt-tracking-submit-btn .lt-btn-text {
        font-size: 16px;
    }
    
    .lt-tracking-submit-btn .lt-btn-icon {
        width: 28px;
        height: 28px;
    }
    
    .lt-tracking-submit-btn .lt-btn-icon svg {
        width: 16px;
        height: 16px;
    }
    
    .lt-tracking-tips {
        padding: 20px;
    }
}