/* ============================================================
   common.css — 全站公共样式
   包含：reset、header、主导航、footer、公共按钮、产品卡片、工具类
   所有页面均须引入 variables.css → common.css，再引入页面专属 CSS
   ============================================================ */

@import url('/css/right-sidebar.css');

/* -------------------- 1. Reset & Base -------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* 覆盖 Bootstrap container 最大宽度 */
@media (min-width: 1400px) {
    .container {
        max-width: var(--container-max-width);
    }
}

body {
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    background: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--color-text-strong);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
}

/* -------------------- 橙色 CTA 按钮（.btn-accent） -------------------- */
.btn-accent,
a.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--color-accent);
    color: var(--color-text-white) !important;
    border: none;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
    box-shadow: var(--shadow-accent);
    transition: var(--transition-base);
    cursor: pointer;
}
.btn-accent:hover,
a.btn-accent:hover {
    background: var(--color-accent-dark);
    color: var(--color-text-white) !important;
    transform: translateY(-1px);
    box-shadow: 0 12px 22px rgba(255, 106, 0, 0.35);
}
.btn-accent:active {
    transform: translateY(0);
}

/* 次级按钮（navy outline） */
.btn-outline-navy,
a.btn-outline-navy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 20px;
    background: transparent;
    color: var(--color-primary) !important;
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-pill);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    transition: var(--transition-base);
    cursor: pointer;
}
.btn-outline-navy:hover,
a.btn-outline-navy:hover {
    background: var(--color-primary);
    color: var(--color-text-white) !important;
}

/* -------------------- 信任徽章（Verified Supplier / 评分等） -------------------- */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
}
.trust-badge--gold {
    background: linear-gradient(135deg, #FFF8E6 0%, #FFE9B3 100%);
    color: #8A6508;
}
.trust-badge--accent {
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* Bootstrap form-control focus 统一 */
.form-control:focus {
    outline: none;
    box-shadow: none;
    border-color: var(--color-primary);
}

/* -------------------- 2. 工具类 -------------------- */
.section-gap {
    padding-top: var(--section-gap);
}

.section-gap-b {
    padding-bottom: var(--section-gap);
}

.section-gap-y {
    padding-top: var(--section-gap);
    padding-bottom: var(--section-gap);
}

.gray-bg {
    background: var(--color-bg-gray);
}

/* section 间距升级（国际站式呼吸感） */
section.section-gap {
    padding-top: 40px;
}
section.section-gap-b {
    padding-bottom: 40px;
}
section.section-gap-y {
    padding-top: 40px;
    padding-bottom: 40px;
}

.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-clamp: 1;
    /* 标准属性兼容性备用 */
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-clamp: 2;
    /* 标准属性兼容性备用 */
}

/* -------------------- 3. 公共按钮 -------------------- */
/* 主色渐变按钮（搜索、More 等） */
.btn-teal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-grad);
    color: var(--color-text-white);
    border: none;
    border-radius: var(--radius-pill);
    padding: 8px 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-teal:hover,
.btn-teal:active {
    background: var(--color-primary-grad-hover);
    color: var(--color-text-white);
}

/* 轮廓色按钮（Learn More / Quick Quotation） */
.btn-outline-teal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-pill);
    padding: 6px 18px;
    font-size: var(--font-size-base);
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-outline-teal:hover,
.btn-outline-teal:active {
    background: var(--color-primary);
    color: var(--color-text-white);
}

/* 搜索框内的按钮 — 橙色醒目 CTA */
.top-search-btn {
    background: var(--color-accent);
    color: var(--color-text-white);
    border: none;
    padding: 0 26px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: inset 0 -1px 0 rgba(0,0,0,0.08);
}

.top-search-btn:hover {
    background: var(--color-accent-dark);
}

.top-search-btn i {
    font-size: 16px;
}

/* -------------------- 4. 产品卡片（公共） -------------------- */
/* 通用产品卡片（竖排：图片 + 标题 + 价格） */
.product-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.product-card__img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.product-card__body {
    padding: 12px;
}

.product-card__name {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.4;
    margin: 0 0 6px;
}

.product-card__price {
    font-size: var(--font-size-base);
    font-weight: bold;
    color: var(--color-text);
    margin: 0 0 4px;
}

.product-card__moq {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin: 0;
}

.product-card a:hover .product-card__name {
    color: var(--color-primary);
}

/* 横向列表卡片（产品列表页的每一行） */
.product-card--list {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 16px;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.product-card--list:hover {
    box-shadow: var(--shadow-md);
}

/* -------------------- 5. 供应商推荐卡片（产品列表页顶部） -------------------- */
.supplier-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.supplier-card__logo {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.supplier-card__name {
    font-size: 16px;
    font-weight: bold;
    color: var(--color-text);
}

.supplier-card__name:hover {
    color: var(--color-primary);
}

.supplier-card__badge {
    width: 18px;
    height: 18px;
    margin-right: -4px;
}

/* -------------------- 6. 分区标题（section header） -------------------- */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-text);
    margin: 0;
    line-height: 1.2;
}

.section-subtitle {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--color-text);
    margin-top: 4px;
}

.view-more-link {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s ease;
}

.view-more-link:hover {
    color: var(--color-primary);
}

.rich-text-content {
    line-height: 1.6;
    color: #444;
}

/* 富文本内的表格通用样式 */
.rich-text-content table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #eee;
    font-size: 14px;
    margin-bottom: 25px;
}

.rich-text-content table td,
.rich-text-content table th {
    padding: 12px 20px;
    border: 1px solid #eee;
    color: #444;
    text-align: left;
}

.rich-text-content table tr td:first-child {
    width: 240px;
    background-color: #fafafa;
    color: #666;
}

.rich-text-content h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 30px 0 15px;
    color: #333;
}

.rich-text-content h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 30px 0 15px;
    color: #333;
}

.rich-text-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 25px 0 12px;
    color: #333;
}

.rich-text-content p {
    margin-bottom: 15px;
}

.rich-text-content ul,
.rich-text-content ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.rich-text-content li {
    margin-bottom: 8px;
    list-style-type: disc;
}

.rich-text-content img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .rich-text-content h1 {
        font-size: 24px;
    }
    .rich-text-content h2 {
        font-size: 20px;
    }
    .rich-text-content table tr td:first-child {
        width: 120px;
    }
}

/* ============================================================
   7. 公共 Header
   ============================================================ */
.site-header {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
}

/* 顶部区域：Logo + 搜索 + 工具栏 */
.site-header__top {
    min-height: 96px;
    padding: 20px 0;
    display: flex;
    align-items: center;
}

.site-header__logo {
    max-height: 56px;
    width: auto;
}

/* 搜索框 */
.top-search {
    display: flex;
    width: 100%;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-pill);
    overflow: visible;
    background: #fff;
    position: relative;
    height: 46px;
    box-shadow: 0 2px 6px rgba(26, 58, 126, 0.06);
    transition: var(--transition-base);
}

.top-search:focus-within {
    box-shadow: 0 0 0 4px rgba(26, 58, 126, 0.1);
}

/* 最左侧：下拉切换按钮 — 左侧圆角 */
.top-search-type .btn {
    border-radius: var(--radius-pill) 0 0 var(--radius-pill) !important;
    padding-left: 20px !important;
}

/* 搜索按钮右侧圆角贴合 pill */
.top-search-btn {
    border-radius: 0 calc(var(--radius-pill) - 2px) calc(var(--radius-pill) - 2px) 0;
}

/* 搜索类型下拉（Product / Supplier） */
.top-search-type {
    flex-shrink: 0;
}

.top-search-type .btn {
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: 0 12px;
    height: 100%;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
    border-radius: 0;
}

.top-search-type .btn:hover,
.top-search-type .btn:focus {
    background: transparent;
    color: var(--color-primary);
    box-shadow: none;
}

.top-search-type .dropdown-menu {
    min-width: 100px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    padding: 4px 0;
}

.top-search-type .dropdown-item {
    font-size: var(--font-size-base);
    color: var(--color-text);
    padding: 6px 16px;
}

.top-search-type .dropdown-item.active,
.top-search-type .dropdown-item:active {
    background: var(--color-bg-gray);
    color: var(--color-primary);
}

/* 数直分隔线 */
.top-search-divider {
    display: flex;
    align-items: center;
    width: 1px;
    background: #d1d5db;
    height: 18px;
    align-self: center;
    flex-shrink: 0;
}

.top-search .form-control {
    border: none;
    outline: none;
    box-shadow: none;
    border-radius: 0;
    flex: 1;
    font-size: var(--font-size-base);
    height: 40px;
    padding: 0 12px;
}

.top-search .form-control:focus {
    border: none;
    box-shadow: none;
}

/* 语言切换 */
.language-dropdown {
    margin-right: 16px;
}

.language-dropdown .flag-icon {
    width: 24px;
    height: 18px;
    object-fit: cover;
    flex-shrink: 0;
    /* 防止旗帜被压缩 */
    display: inline-block;
    vertical-align: middle;
}

/* 下拉菜单项：旗帜 + 文字在同一行 */
.language-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    white-space: nowrap;
    gap: 8px;
}

.language-dropdown .btn {
    border: none;
    background: transparent;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
}

.language-dropdown .btn:hover,
.language-dropdown .btn:focus {
    background: transparent;
    color: var(--color-text);
    border: none;
    box-shadow: none;
}

/* 顶部图标链接 */
.top-icon {
    color: var(--color-text) !important;
    font-size: 1rem;
    padding: 4px 8px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.top-icon__img {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    position: relative;
}

.top-icon__img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: opacity 0.2s ease;
}

.top-icon__img i {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    transition: opacity 0.2s ease;
}

.top-icon__img .icon-hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

/* Login/Register 文字小一山 */
.top-icon span:not(.top-icon__img) {
    font-size: 1rem;
    vertical-align: middle;
}

.top-icon:hover {
    color: var(--color-primary) !important;
}

.top-icon:hover .top-icon__img .icon-normal {
    opacity: 0;
}

.top-icon:hover .top-icon__img .icon-hover {
    opacity: 1;
}

.user-menu {
    position: relative;
    display: inline-flex;
}

.user-menu__label--in {
    display: none;
}

.user-menu[data-auth-state="logged-in"] .user-menu__label--out {
    display: none;
}

.user-menu[data-auth-state="logged-in"] .user-menu__label--in {
    display: inline;
}

.user-menu[data-auth-state="logged-out"] .user-menu__label--in {
    display: none;
}

.user-menu[data-auth-state="logged-out"] .user-menu__label--out {
    display: inline;
}

.user-menu__dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: -6px;
    width: 360px;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 16px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
    z-index: 1000;
}

.user-menu__dropdown::before {
    content: "";
    position: absolute;
    top: -8px;
    right: 22px;
    width: 16px;
    height: 16px;
    background: var(--color-bg-white);
    border-left: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
    transform: rotate(45deg);
}

.user-menu:hover .user-menu__dropdown,
.user-menu:focus-within .user-menu__dropdown,
.user-menu.is-open .user-menu__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu__panel--logged-in {
    display: none;
}

.user-menu[data-auth-state="logged-in"] .user-menu__panel--logged-out {
    display: none;
}

.user-menu[data-auth-state="logged-in"] .user-menu__panel--logged-in {
    display: block;
}

.user-menu__welcome {
    padding: 8px 22px 0;
    font-size: var(--font-size-md);
    color: var(--color-text);
}

.user-menu__hello {
    padding: 8px 22px 0;
    color: var(--color-text);
}

.user-menu__actions {
    padding: 14px 22px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-menu__btn {
    height: 40px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    font-weight: 400;
    transition: var(--transition-base);
}

.user-menu__btn--primary {
    background: var(--color-primary-grad);
    color: var(--color-text-white);
}

.user-menu__btn--primary:hover {
    background: var(--color-primary-grad-hover);
    color: var(--color-text-white);
}

.user-menu__btn--outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.user-menu__btn--outline:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.user-menu__or {
    padding: 14px 22px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

.user-menu__or::before,
.user-menu__or::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.user-menu__social {
    padding: 14px 22px 0;
    display: flex;
    justify-content: center;
    gap: 18px;
}

.user-menu__social-btn {
    width: 50px;
    height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-white);
    font-size: var(--font-size-2xl);
    transition: var(--transition-base);
}

.user-menu__social-btn:hover {
    background: var(--color-bg-gray);
}

.user-menu__social-btn .bi-facebook {
    color: #1877F2;
}

.user-menu__social-btn .bi-linkedin {
    color: #0A66C2;
}

.user-menu__social-btn .bi-google {
    color: #DB4437;
}

.user-menu__disclaimer {
    padding: 12px 22px 0;
    font-size: var(--font-size-xs);
    line-height: 1.5;
    color: var(--color-text-muted);
}

.user-menu__link {
    color: var(--color-text);
    text-decoration: underline;
}

.user-menu__divider {
    height: 1px;
    background: var(--color-border);
    margin: 12px 0;
}

.user-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.user-menu__item {
    display: block;
    padding: 12px 22px;
    font-size: var(--font-size-base);
    color: var(--color-text);
    transition: var(--transition-base);
}

.user-menu__item:hover,
.user-menu__item--active {
    background: var(--color-bg-gray);
    color: var(--color-primary);
}

.user-menu__list-divider {
    height: 1px;
    background: var(--color-border);
    margin: 8px 22px;
}

/* 主导航 */
.main-nav {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    position: relative; /* 为 100% 宽度下拉提供定位基准 */
}

.main-nav__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.main-nav__item {
    position: relative;
    margin-right: 32px;
}

/* 为全屏导航定义的静态定位 */
.main-nav__item--static {
    position: static !important;
}

.main-nav__link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 0;
    font-size: var(--font-size-md);
    font-weight: 400;
    color: var(--color-text);
    transition: color 0.2s ease;
}

.nav-badge-hot {
    background: var(--color-accent-grad);
    border-radius: 7px 0px 7px 7px;
    color: #fff;
    font-size: var(--font-size-xs);
    padding: 2px 4px;
    line-height: 1;
    position: absolute;
    top: 6px;
    right: -24px;
    font-style: italic;
    font-weight: bold;
    transform: scale(0.85);
}

.main-nav__link:hover {
    color: var(--color-primary);
}

.main-nav__icon {
    width: 20px;
    height: 20px;
}

/* 主导航下拉菜单 */
.main-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    min-width: 560px;
    padding: 16px;
    display: none;
    z-index: 1000;
}

.main-nav__item:hover .main-nav__dropdown {
    display: block;
}

/* 交易保证专属大下拉 (Mega Menu) - 宽度 100% */
.main-nav__dropdown--ta {
    left: 0;
    right: 0;
    width: 100%;
    min-width: unset;
    padding: 0;
    overflow: hidden;
    border-left: none;
    border-right: none;
    border-radius: 0;
}

.ta-dropdown-inner {
    display: flex;
    min-height: 280px;
    max-width: var(--container-max-width); /* 与容器一致 */
    margin: 0 auto;
    padding: 0 50px;
}

/* 左侧宣传区 */
.ta-promo {
    flex: 0 0 40%;
    padding: 40px 40px 40px 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.ta-promo-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.ta-promo-icon {
    width: 28px;
    height: auto; /* 保持比例，防止变形 */
}

.ta-promo h3 {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-text);
    margin: 0;
}

.ta-promo p {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    color: var(--color-text);
    margin: 0 0 40px;
    line-height: 1.2;
}

.ta-promo .btn-teal {
    padding: 10px 30px;
    border-radius: 20px;
    font-size: var(--font-size-md);
}

/* 右侧功能网格 */
.ta-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: 20px;
    gap: 15px;
    background: #fff;
}

.ta-feature-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: #f5f5f5;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--color-text);
}

.ta-feature-card:hover {
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.ta-feature-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    position: relative;
}

.ta-feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.ta-feature-icon .icon-hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.ta-feature-card:hover .icon-normal {
    opacity: 0;
}

.ta-feature-card:hover .icon-hover {
    opacity: 1;
}

.ta-feature-card:hover span {
    color: var(--color-primary);
}

.ta-feature-card span {
    font-size: var(--font-size-md);
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-nav__dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.main-nav__dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.main-nav__dropdown-item:hover {
    background: var(--color-bg-gray);
    color: var(--color-primary);
}

/* hover 时图标随父级变色（CSS filter 模拟变色）*/
.main-nav__dropdown-item:hover .main-nav__dropdown-icon {
    filter: invert(47%) sepia(96%) saturate(400%) hue-rotate(140deg) brightness(90%);
}

.main-nav__dropdown-icon {
    width: 22px;
    height: 22px;
    transition: filter 0.2s;
}

/* -------------------- 8. 公共 Footer（深海蓝模式） -------------------- */
.site-footer {
    background: var(--color-primary-darker);
    color: rgba(255, 255, 255, 0.75);
    margin-top: 0;
}

.footer-nav {
    padding: 56px 0 32px;
    position: relative;
}

.footer-nav::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.footer-nav__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
    position: relative;
}

.footer-nav__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav__list li {
    margin-bottom: 8px;
}

.footer-nav__list a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    transition: var(--transition-fast);
}

.footer-nav__list a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

/* 版权栏 */
.site-footer .gray-bg {
    background: rgba(0, 0, 0, 0.25) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-copyright {
    padding: 20px 0;
    text-align: center;
}

.footer-copyright p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    letter-spacing: 0.02em;
}

/* -------------------- 9. 分页 -------------------- */
.pagination-wrap {
    background: var(--color-bg-white);
    padding: 20px 0;
}

.pagination-wrap .pagination {
    justify-content: center;
    gap: 4px;
    margin: 0;
}

.pagination-wrap .page-link {
    height: 36px;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    color: #4b5563;
    background: var(--color-bg-white);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.pagination-wrap .page-link:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
    color: #1f2937;
}

.pagination-wrap .page-item.active .page-link {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 600;
}

.pagination-wrap .page-item.disabled .page-link {
    background: transparent;
    border-color: transparent;
    color: #9ca3af;
    pointer-events: none;
}

/* -------------------- 10. 响应式 -------------------- */
@media (max-width: 991px) {
    .top-icon span:not(.top-icon__img) {
        display: none;
    }

    .user-menu__dropdown {
        width: min(360px, 92vw);
        right: 0;
    }

    .user-menu__dropdown::before {
        right: 18px;
    }

    /* 平板隐藏图标文字 */
    .main-nav__dropdown {
        min-width: 90vw;
    }
}

@media (max-width: 767px) {
    .site-header__top {
        flex-wrap: wrap;
        padding: 10px 0;
        gap: 8px;
    }

    .top-search {
        order: 3;
        flex-basis: 100%;
    }

    .language-dropdown {
        margin-right: 6px;
    }

    .footer-nav {
        padding: 32px 0;
    }

    .footer-nav__title {
        font-size: 18px;
    }
}