/**
 * WebBuild Pro - 外贸获客营销改造补充样式
 * 说明：仅补充主题 style.css 中缺失的组件样式，颜色、圆角、字体、按钮全部复用主题变量与现有 class。
 */

/* ===== 导航：二级菜单 ===== */
.wb-main-nav .wb-main-menu > li {
    position: relative;
}

.wb-main-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 12px);
    min-width: 240px;
    padding: 10px 0;
    margin: 0;
    background: #fff;
    border-radius: var(--wb-radius-sm);
    box-shadow: var(--wb-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--wb-transition);
    z-index: 999;
}

.wb-main-nav .menu-item-has-children:hover > .sub-menu,
.wb-main-nav .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.wb-main-nav .sub-menu li {
    display: block;
    width: 100%;
}

.wb-main-nav .sub-menu a {
    display: block;
    padding: 10px 22px;
    font-size: 0.9rem;
    color: var(--wb-text);
    white-space: nowrap;
    text-align: left;
}

.wb-main-nav .sub-menu a:hover {
    color: var(--wb-primary);
    background: var(--wb-bg);
}

.wb-main-nav .menu-item-has-children > a::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.7rem;
    margin-left: 6px;
}

/* 菜单内的按钮项 */
.wb-main-nav .wb-menu-cta > a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px !important;
    margin-left: 8px;
    background: var(--wb-accent);
    color: #fff !important;
    border-radius: 50px;
    font-weight: 600;
    line-height: 1.4;
}

.wb-main-nav .wb-menu-cta > a:hover {
    background: #c4915f;
    color: #fff !important;
}

/* 头部 SaaS 登录链接 */
.wb-saas-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: inherit;
    opacity: 0.85;
    margin-right: 14px;
    white-space: nowrap;
}

.wb-saas-login:hover {
    opacity: 1;
    color: var(--wb-accent);
}

/* 桌面端导航已含「预约诊断」按钮菜单项，隐藏头部重复的 CTA 按钮 */
@media screen and (min-width: 993px) {
    .wb-header-cta {
        display: none;
    }
}

/* 落地页极简头部 */
.wb-header-minimal .wb-site-header-inner {
    justify-content: center;
}

.wb-header-minimal .wb-saas-login,
.wb-header-minimal .wb-header-cta,
.wb-header-minimal .wb-main-nav,
.wb-header-minimal .wb-menu-toggle {
    display: none !important;
}

/* ===== 首页：闭环链路 ===== */
.wb-loop {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 60px;
    align-items: center;
}

.wb-loop-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}

.wb-loop-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--wb-text-light);
    line-height: 1.7;
    border-bottom: 1px dashed var(--wb-border);
}

.wb-loop-list li:last-child {
    border-bottom: none;
}

.wb-loop-list li i {
    color: var(--wb-accent);
    margin-top: 6px;
    flex-shrink: 0;
}

.wb-loop-list li strong {
    color: var(--wb-text);
}

.wb-loop-actions {
    margin-top: 8px;
}

.wb-flow {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
}

.wb-flow-step {
    position: relative;
    padding: 22px 26px 22px 74px;
    background: var(--wb-white);
    border: 1px solid var(--wb-border);
    border-radius: var(--wb-radius-sm);
    box-shadow: var(--wb-shadow);
}

.wb-flow-step h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.wb-flow-step p {
    font-size: 0.85rem;
    color: var(--wb-text-light);
    margin: 0;
}

.wb-flow-icon {
    position: absolute;
    top: 50%;
    left: 22px;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(212, 165, 116, 0.14);
    color: var(--wb-accent);
    font-size: 1rem;
}

.wb-flow-index {
    position: absolute;
    top: 14px;
    right: 18px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--wb-text-muted);
}

.wb-flow-arrow {
    text-align: center;
    padding: 6px 0;
    color: var(--wb-accent);
    font-size: 0.9rem;
}

/* ===== 首页：双列板块 ===== */
.wb-dual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    align-items: stretch;
}

.wb-dual-card {
    background: var(--wb-white);
    border: 1px solid var(--wb-border);
    border-radius: var(--wb-radius);
    padding: 40px 34px;
    box-shadow: var(--wb-shadow);
    transition: var(--wb-transition);
    display: flex;
    flex-direction: column;
}

.wb-dual-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--wb-shadow-lg);
}

.wb-dual-card h3 {
    font-size: 1.4rem;
    margin: 10px 0 14px;
}

.wb-dual-card > p {
    font-size: 0.95rem;
    color: var(--wb-text-light);
    margin-bottom: 20px;
}

.wb-dual-list {
    list-style: none;
    padding: 0;
    margin: 0 0 26px;
    flex: 1;
}

.wb-dual-list li {
    padding: 9px 0;
    font-size: 0.92rem;
    color: var(--wb-text-light);
    border-bottom: 1px solid var(--wb-border);
}

.wb-dual-list li:last-child {
    border-bottom: none;
}

.wb-dual-list li i {
    color: var(--wb-accent);
    margin-right: 8px;
    font-size: 0.85rem;
}

.wb-dual-card .wb-btn {
    align-self: flex-start;
}

/* ===== 首页：案例横向滑动 ===== */
.wb-case-scroll {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(300px, 360px);
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 14px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
}

.wb-case-scroll::-webkit-scrollbar {
    height: 6px;
}

.wb-case-scroll::-webkit-scrollbar-thumb {
    background: var(--wb-border);
    border-radius: 6px;
}

.wb-case-card {
    display: flex;
    flex-direction: column;
    background: var(--wb-white);
    border: 1px solid var(--wb-border);
    border-radius: var(--wb-radius);
    overflow: hidden;
    box-shadow: var(--wb-shadow);
    transition: var(--wb-transition);
    scroll-snap-align: start;
    color: var(--wb-text);
}

/* 案例列表页：三列网格 */
.wb-case-grid {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
}

.wb-case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--wb-shadow-lg);
    color: var(--wb-text);
}

.wb-case-card-media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--wb-bg-alt);
}

.wb-case-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--wb-transition);
}

.wb-case-card:hover .wb-case-card-media img {
    transform: scale(1.05);
}

.wb-case-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--wb-primary), #24395f);
    color: #fff;
    font-size: 2.4rem;
}

.wb-case-card-body {
    padding: 24px 24px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.wb-case-card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--wb-accent);
    background: rgba(212, 165, 116, 0.12);
    border-radius: 50px;
    padding: 3px 12px;
    align-self: flex-start;
    margin-bottom: 12px;
}

.wb-case-card-body h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

.wb-case-card-body p {
    font-size: 0.88rem;
    color: var(--wb-text-light);
    flex: 1;
    margin-bottom: 16px;
}

.wb-case-card-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--wb-primary);
}

/* ===== FAQ 手风琴 ===== */
.wb-faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.wb-faq-item {
    background: var(--wb-white);
    border: 1px solid var(--wb-border);
    border-radius: var(--wb-radius-sm);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--wb-transition);
}

.wb-faq-item.active {
    border-color: var(--wb-accent);
    box-shadow: var(--wb-shadow);
}

.wb-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--wb-text);
}

.wb-faq-question i {
    color: var(--wb-accent);
    transition: var(--wb-transition);
    flex-shrink: 0;
}

.wb-faq-item.active .wb-faq-question i {
    transform: rotate(180deg);
}

.wb-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.wb-faq-item.active .wb-faq-answer {
    max-height: 500px;
}

.wb-faq-answer-inner {
    padding: 0 24px 22px;
    font-size: 0.92rem;
    color: var(--wb-text-light);
    line-height: 1.8;
}

/* ===== 线索表单 ===== */
.wb-lead-form-title {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.wb-lead-form-desc {
    font-size: 0.9rem;
    color: var(--wb-text-light);
    margin-bottom: 20px;
}

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

.wb-form-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.wb-form-submit {
    margin-top: 4px;
}

.wb-form-feedback {
    margin-top: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    min-height: 1.2em;
}

.wb-form-feedback.is-success {
    color: #1a7f4b;
}

.wb-form-feedback.is-error {
    color: #c0392b;
}

.wb-lead-form .wb-btn[disabled] {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ===== 资料领取弹窗 ===== */
.wb-popup {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.wb-popup.is-open {
    display: flex;
}

.wb-popup-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0.65);
}

.wb-popup-dialog {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 460px;
    background: var(--wb-white);
    border-radius: var(--wb-radius);
    padding: 36px 32px 30px;
    box-shadow: var(--wb-shadow-lg);
    text-align: center;
}

.wb-popup-dialog h3 {
    font-size: 1.35rem;
    margin: 10px 0 10px;
}

.wb-popup-dialog > p {
    font-size: 0.9rem;
    color: var(--wb-text-light);
    margin-bottom: 20px;
}

.wb-popup-dialog .wb-form-group {
    text-align: left;
}

.wb-popup-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    background: var(--wb-bg);
    color: var(--wb-text-light);
    cursor: pointer;
    transition: var(--wb-transition);
}

.wb-popup-close:hover {
    background: var(--wb-accent);
    color: #fff;
}

.wb-popup-note {
    font-size: 0.78rem;
    color: var(--wb-text-muted);
    margin-top: 14px;
    margin-bottom: 0;
}

/* ===== 更多链接 ===== */
.wb-link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--wb-primary);
    border-bottom: 1px solid var(--wb-accent);
    padding-bottom: 2px;
}

.wb-link-more:hover {
    color: var(--wb-accent);
}

/* ===== 知识库文章列表 ===== */
.wb-post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.wb-post-card {
    background: var(--wb-white);
    border: 1px solid var(--wb-border);
    border-radius: var(--wb-radius);
    overflow: hidden;
    box-shadow: var(--wb-shadow);
    transition: var(--wb-transition);
    display: flex;
    flex-direction: column;
}

.wb-post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--wb-shadow-lg);
}

.wb-post-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--wb-bg-alt);
}

.wb-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--wb-transition);
}

.wb-post-card:hover .wb-post-thumb img {
    transform: scale(1.05);
}

.wb-post-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--wb-primary), #24395f);
    color: #fff;
    font-size: 2.6rem;
}

.wb-post-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.wb-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.78rem;
    color: var(--wb-text-muted);
    margin-bottom: 12px;
}

.wb-post-meta i {
    color: var(--wb-accent);
    margin-right: 4px;
}

.wb-post-title {
    font-size: 1.08rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.wb-post-excerpt {
    font-size: 0.88rem;
    color: var(--wb-text-light);
    flex: 1;
    margin-bottom: 16px;
}

.wb-post-more {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--wb-primary);
}

/* ===== 表单面板（Landing / 内容页内嵌表单） ===== */
.wb-form-panel {
    background: var(--wb-white);
    border: 1px solid var(--wb-border);
    border-radius: var(--wb-radius);
    padding: 36px 32px;
    box-shadow: var(--wb-shadow-lg);
    text-align: left;
}

.wb-form-panel .wb-form {
    max-width: none;
    margin: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
}

/* ===== 预约诊断 Landing ===== */
.wb-landing {
    padding: 140px 0 90px;
    background: linear-gradient(160deg, #0f1e33 0%, #1a2d4d 55%, #24395f 100%);
    color: #fff;
}

.wb-landing-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.wb-landing-copy .wb-wmt-eyebrow {
    color: var(--wb-accent);
}

.wb-landing-title {
    font-size: 2.4rem;
    line-height: 1.35;
    color: #fff;
    margin: 14px 0 20px;
}

.wb-landing-desc {
    font-size: 1.02rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 26px;
}

.wb-landing-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.wb-landing-list li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

.wb-landing-list li i {
    color: var(--wb-accent);
    margin-right: 10px;
}

.wb-landing-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.wb-landing-note i {
    color: var(--wb-accent);
    margin-right: 6px;
}

/* ===== 响应式（沿用主题断点 1024 / 768 / 480） ===== */
@media screen and (max-width: 1024px) {
    .wb-loop {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .wb-landing-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .wb-dual-grid {
        grid-template-columns: 1fr;
    }

    .wb-case-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .wb-post-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端侧滑抽屉：子菜单改为内嵌展开（沿用主题 992 断点） */
@media screen and (max-width: 992px) {
    .wb-main-nav .sub-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background: transparent;
        padding: 0 0 0 14px;
        min-width: 0;
    }

    .wb-main-nav .sub-menu a {
        color: var(--wb-text-light);
        white-space: normal;
        padding: 8px 0;
    }

    .wb-main-nav .sub-menu a:hover {
        color: var(--wb-primary);
        background: transparent;
    }

    .wb-main-nav .wb-menu-cta > a {
        margin: 10px 0 0;
    }
}

@media screen and (max-width: 768px) {
    .wb-form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .wb-landing {
        padding: 110px 0 70px;
    }

    .wb-landing-title {
        font-size: 1.9rem;
    }

    .wb-form-panel,
    .wb-popup-dialog {
        padding: 28px 22px;
    }

    .wb-case-scroll {
        grid-auto-columns: minmax(260px, 86%);
    }

    .wb-case-grid {
        grid-template-columns: 1fr;
    }

    .wb-post-grid {
        grid-template-columns: 1fr;
    }

    .wb-saas-login {
        display: none;
    }

    .wb-dual-card {
        padding: 32px 24px;
    }
}

@media screen and (max-width: 480px) {
    .wb-faq-question {
        padding: 16px 18px;
        font-size: 0.94rem;
    }

    .wb-faq-answer-inner {
        padding: 0 18px 18px;
    }

    .wb-popup-dialog {
        padding: 28px 20px 24px;
    }
}