/**
 * 全站顶栏 + 工具页「左表单 / 右结果」工作台壳层
 * 依赖 theme.js 写入的 :root 变量 + theme-chanel.css
 */
:root {
    --site-topbar-height: 56px;
}

/* —— 顶栏 —— */
.site-topbar {
    flex-shrink: 0;
    min-height: var(--site-topbar-height);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px 8px 20px;
    padding-top: calc(8px + env(safe-area-inset-top, 0px));
    background: rgba(255, 255, 255, 0.82) !important;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border) !important;
    box-shadow: none;
    position: relative;
    z-index: 200;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none !important;
    color: var(--text-primary) !important;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.02em;
    flex-shrink: 0;
    max-width: 42vw;
}

.site-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md, 12px);
    background: var(--bg-elevated) !important;
    color: var(--icon-default) !important;
    border: 1px solid var(--border) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    box-shadow: none;
    transition: transform var(--duration-base, 0.2s) var(--ease-smooth, ease), opacity var(--duration-base, 0.2s) ease;
}

.site-brand:hover .site-brand-icon {
    transform: scale(1.02);
    opacity: 0.92;
}

.site-brand:active .site-brand-icon {
    transform: scale(0.98);
}

.site-brand-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-tools-scroll-wrap {
    flex: 1;
    min-width: 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: visible;
}

.site-tools-scroll {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    overflow-y: visible;
    padding: 4px 2px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
    mask-image: linear-gradient(to right, transparent, #000 12px, #000 calc(100% - 12px), transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 12px, #000 calc(100% - 12px), transparent);
}

.site-tools-scroll::-webkit-scrollbar {
    display: none;
}

.site-tool-pill {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 15px;
    border-radius: 999px;
    text-decoration: none !important;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary) !important;
    background: transparent;
    border: 1px solid transparent;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    white-space: nowrap;
}

.site-tool-pill i {
    font-size: 14px;
    opacity: 0.92;
    color: inherit;
}

.site-tool-pill:hover {
    background: var(--bg-elevated);
    color: var(--text-primary) !important;
}

.site-tool-pill:active {
    transform: scale(0.98);
}

.site-tool-pill.active {
    background: var(--surface-selected) !important;
    color: var(--primary) !important;
    border-color: rgba(0, 113, 227, 0.2) !important;
    box-shadow: none;
}

.site-tool-pill.active i {
    color: var(--text-primary) !important;
    opacity: 1;
}

/* HOT / NEW 徽标（参考主站胶囊导航） */
.site-tool-pill-tag {
    font-size: 8px;
    font-weight: 800;
    padding: 3px 6px;
    border-radius: 5px;
    letter-spacing: 0.06em;
    line-height: 1;
    text-transform: uppercase;
}

/* 未选中：浅蓝底 + 蓝字 */
.site-tool-pill:not(.active) .site-tool-pill-tag--new,
.site-tool-pill:not(.active) .site-tool-pill-tag--hot {
    background: var(--surface-selected);
    color: var(--primary);
}

/* 选中态 */
.site-tool-pill.active .site-tool-pill-tag--hot {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

.site-tool-pill.active .site-tool-pill-tag--new {
    background: var(--surface-selected);
    color: var(--primary);
}

/* 桌面宽屏：当前页「选中」仍保持默认胶囊外观（不出现主色/黑底高亮） */
@media (min-width: 721px) {
    .site-tools-scroll-desktop .site-tool-pill.active {
        background: transparent !important;
        color: var(--text-secondary) !important;
        border-color: transparent !important;
        box-shadow: none !important;
    }

    .site-tools-scroll-desktop .site-tool-pill.active i {
        color: inherit !important;
        opacity: 0.92;
    }

    .site-tools-scroll-desktop .site-tool-pill.active .site-tool-pill-tag--hot,
    .site-tools-scroll-desktop .site-tool-pill.active .site-tool-pill-tag--new {
        background: var(--surface-selected);
        color: var(--primary);
    }

    .site-nav-more .site-tool-more-trigger.site-tool-pill.active {
        background: transparent !important;
        color: var(--text-secondary) !important;
        border-color: transparent !important;
        box-shadow: none !important;
    }

    .site-nav-more .site-tool-more-trigger.site-tool-pill.active i {
        color: inherit !important;
        opacity: 0.92;
    }

    .site-nav-pricing.site-tool-pill.active {
        background: transparent !important;
        color: var(--text-secondary) !important;
        border-color: transparent !important;
        box-shadow: none !important;
    }

    .site-nav-pricing.site-tool-pill.active i {
        color: inherit !important;
        opacity: 0.92;
    }
}

.site-topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.site-top-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 11px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary) !important;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    text-decoration: none !important;
    white-space: nowrap;
}

.site-top-action:hover {
    background: var(--bg-elevated);
    color: var(--text-primary) !important;
}

.site-account-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border) !important;
    text-decoration: none !important;
    font-size: 16px;
    transition: transform 0.15s, background 0.2s;
}

.site-account-btn:active {
    transform: scale(0.95);
}

/* —— 顶栏头像账号下拉 —— */
.site-account-menu {
    position: relative;
    flex-shrink: 0;
}

.site-account-trigger {
    cursor: pointer;
    font: inherit;
    -webkit-appearance: none;
    appearance: none;
    padding: 0;
    overflow: hidden;
}

.site-account-avatar-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.site-account-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: min(94vw, 300px);
    max-width: min(94vw, 300px);
    padding: 10px;
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(15, 23, 42, 0.06);
    z-index: 650;
    box-sizing: border-box;
    max-height: min(80vh, 480px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.site-account-menu.open .site-account-dropdown {
    display: block;
}

.site-account-dropdown-head {
    padding: 4px 8px 8px;
}

.site-account-email-main {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.38;
    word-break: break-all;
}

.site-account-email-sub {
    margin-top: 4px;
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    line-height: 1.38;
    word-break: break-all;
}

.site-account-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 6px 0;
}

/* 顶栏账号菜单：单列纵向列表（灰图标 + 主标题单行） */
.site-account-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 2px 0 4px;
}

.site-account-link {
    border: none;
    background: transparent;
    text-decoration: none !important;
    font: inherit;
    color: var(--text-primary) !important;
    cursor: pointer;
    margin: 0;
    appearance: none;
    -webkit-appearance: none;
}

.site-account-link--full {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    border-radius: 9px;
    text-align: left;
    transition: background 0.14s ease, color 0.14s ease;
    box-sizing: border-box;
}

.site-account-link--full:not(.site-account-link--danger):hover {
    background: var(--bg-elevated);
}

.site-account-link--full:not(.site-account-link--danger):active {
    background: var(--bg-elevated);
}

.site-account-link-ic {
    width: 22px;
    flex-shrink: 0;
    text-align: center;
    font-size: 15px;
    color: var(--icon-default);
}

.site-account-link-text {
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: 0.01em;
    min-width: 0;
}

/* 账号菜单：生成历史分组（原生 details，避免额外脚本） */
.site-account-submenu {
    margin: 0;
    padding: 0;
    border-radius: 9px;
}

.site-account-submenu > summary.site-account-submenu-sum {
    list-style: none;
    cursor: pointer;
}

.site-account-submenu > summary.site-account-submenu-sum::-webkit-details-marker {
    display: none;
}

.site-account-submenu-sum .site-account-link-text {
    min-width: 0;
}

.site-account-submenu-caret {
    margin-left: auto;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    font-size: 11px;
    color: var(--text-muted);
    transition: transform 0.18s ease;
}

.site-account-submenu[open] .site-account-submenu-caret {
    transform: rotate(180deg);
}

.site-account-submenu-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 0 4px;
}

.site-account-link--sub.site-account-link--full {
    padding-left: 26px;
    padding-top: 8px;
    padding-bottom: 8px;
}

.site-account-link-ic--sub {
    width: 20px;
    font-size: 14px;
    color: var(--icon-default);
}

.site-account-link-text--sub {
    font-size: 12.5px;
    font-weight: 500;
}

.site-account-submenu-sum:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.site-account-link--disabled,
.site-account-link--disabled[disabled] {
    opacity: 0.55;
    cursor: default;
    pointer-events: none;
}

.site-account-link--danger .site-account-link-ic {
    color: var(--text-primary) !important;
}

.site-account-link--danger .site-account-link-text {
    color: var(--text-primary) !important;
}

.site-account-link--danger:hover {
    background: rgba(255, 59, 48, 0.08) !important;
}

.site-account-link--danger:active {
    background: rgba(255, 59, 48, 0.12) !important;
}

/* —— 工作台双栏（工具页） —— */
.tool-workspace-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    align-items: start;
    max-width: 100%;
    min-width: 0;
}

.tool-workspace-form,
.tool-workspace-output {
    min-width: 0;
    max-width: 100%;
}

@media (min-width: 880px) {
    .tool-workspace-grid {
        grid-template-columns: minmax(300px, 1fr) minmax(300px, 1fr);
        gap: 18px;
    }

    .tool-workspace-output {
        position: sticky;
        top: calc(var(--site-topbar-height) + env(safe-area-inset-top, 0px) + 14px);
        max-height: calc(100vh - var(--site-topbar-height) - env(safe-area-inset-top, 0px) - 28px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-right: 4px;
    }
}

.tool-workspace-output .result-section:not(.show) {
    min-height: 260px;
}

/* —— 首页工作台双栏 —— */
.home-workspace {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 0 16px 20px;
}

@media (min-width: 760px) {
    .home-workspace {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
        max-width: 1100px;
        margin: 0 auto;
    }
}

.home-panel {
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-card, 16px) !important;
    box-shadow: var(--shadow-card) !important;
    padding: 16px 18px;
    min-height: 200px;
}

.home-panel h3 {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}

.home-panel-hint {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 12px;
}

.home-preview-placeholder {
    border-radius: 14px;
    border: 1px dashed var(--border);
    background: var(--bg-card);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.home-preview-placeholder i {
    font-size: 36px;
    opacity: 0.35;
    color: var(--primary);
}

/* —— 定价入口 + 小工具下拉 —— */
.site-nav-pricing {
    flex-shrink: 0;
}

.site-nav-more {
    position: relative;
    flex-shrink: 0;
}

.site-tool-more-trigger {
    cursor: pointer;
    border: 1px solid transparent;
    font: inherit;
    -webkit-appearance: none;
    appearance: none;
}

.site-more-caret {
    font-size: 10px !important;
    opacity: 0.75;
    margin-left: 2px !important;
}

.site-nav-more.open .site-more-caret {
    transform: rotate(180deg);
}

.site-more-panel {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    left: auto;
    min-width: 168px;
    padding: 6px;
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border) !important;
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    z-index: 600;
    flex-direction: column;
    gap: 2px;
}

.site-nav-more.open .site-more-panel {
    display: flex;
}

.site-more-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.site-more-item i {
    width: 18px;
    text-align: center;
    opacity: 0.88;
}

.site-more-item:hover {
    background: var(--bg-elevated);
    color: var(--text-primary) !important;
}

.site-more-item.active {
    background: var(--bg-elevated);
    color: var(--primary) !important;
}

/* —— 窄屏：主常用功能 → 与小工具同款「按钮 + 下拉面板」（仅 ≤720px 生效） —— */
.site-nav-primary-dropdown {
    display: none;
}

.site-nav-primary-trigger {
    max-width: 100%;
    min-width: 0;
}

.site-nav-primary-trigger span:not(.site-tool-pill-tag) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.site-nav-primary-dropdown .site-more-caret,
.site-nav-primary-dropdown .site-nav-primary-trigger .site-nav-primary-ic-mobile-hide {
    flex-shrink: 0;
}

.site-primary-panel {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: auto;
    min-width: 188px;
    max-width: min(92vw, 320px);
    max-height: min(72vh, 380px);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 6px;
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border) !important;
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    z-index: 600;
    flex-direction: column;
    gap: 2px;
}

.site-nav-primary-dropdown.open .site-primary-panel {
    display: flex;
}

.site-nav-primary-dropdown.open .site-more-caret {
    transform: rotate(180deg);
}

.site-primary-panel .site-more-item {
    white-space: normal;
    align-items: center;
}

.site-primary-panel-item .site-tool-pill-tag {
    margin-left: auto;
    flex-shrink: 0;
}

@media (max-width: 720px) {
    .site-topbar {
        gap: 6px;
        padding-left: 12px;
        padding-right: 12px;
    }

    .site-tools-scroll-wrap {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto auto;
        align-items: center;
        gap: 4px;
    }

    /* 去掉品牌左侧圆形 Logo，让给站点名与「常用功能」文案 */
    .site-brand .site-brand-icon {
        display: none !important;
    }

    .site-brand {
        gap: 0;
        max-width: none;
        flex: 0 1 auto;
        min-width: 0;
    }

    /* 顶部站点名可多露一些字，仍会过长省略（总宽由 flex 与各按钮分摊） */
    .site-brand-text {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: min(28vw, 5.5rem);
    }

    .site-nav-primary-dropdown .site-nav-primary-ic-mobile-hide {
        display: none;
    }

    .site-nav-primary-trigger {
        gap: 4px;
        padding: 7px 8px;
        font-size: 12px;
        flex-shrink: 1;
        min-width: 0;
        max-width: 100%;
        width: 100%;
    }

    .site-nav-primary-trigger span:not(.site-tool-pill-tag) {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        flex-shrink: 1;
        min-width: 0;
    }

    /* 当前在主功能工具页时也保持默认外观（不要整块黑/主色底） */
    .site-nav-primary-dropdown .site-nav-primary-trigger.site-tool-pill.active {
        background: transparent !important;
        color: var(--text-secondary) !important;
        border-color: transparent !important;
        box-shadow: none !important;
    }

    .site-nav-primary-dropdown .site-nav-primary-trigger.site-tool-pill.active i {
        color: inherit !important;
        opacity: 0.92;
    }

    /* 窄屏：定价保留文案；grid 为定价/小工具预留列，避免挤压、遮挡账号区 */
    .site-nav-pricing {
        padding: 7px 8px;
        font-size: 12px;
        gap: 4px;
        justify-self: end;
    }

    .site-nav-pricing i {
        font-size: 12px;
        flex-shrink: 0;
    }

    .site-nav-pricing span {
        display: inline;
        white-space: nowrap;
        line-height: 1.2;
    }

    .site-nav-more .site-tool-more-trigger {
        padding: 7px 8px;
        font-size: 12px;
    }

    .site-nav-primary-dropdown {
        display: flex;
        align-items: center;
        position: relative;
        flex: none;
        min-width: 0;
        width: 100%;
        max-width: 100%;
    }

    nav.site-tools-scroll.site-tools-scroll-desktop {
        display: none !important;
    }
}

@media (max-width: 520px) {
    .site-brand-text {
        max-width: min(22vw, 4rem);
    }

    .site-nav-pricing {
        padding: 7px 7px;
    }

    /* 小工具 / 历史：仅图标，进一步省宽；定价仍保留「定价」二字 */
    .site-nav-more .site-tool-more-trigger span {
        display: none;
    }

    .site-top-action {
        font-size: 0;
        gap: 0;
        padding: 8px 10px;
    }

    .site-top-action i {
        font-size: 13px;
    }
}

@media (max-width: 360px) {
    /* 极窄屏：定价仅保留文字，再省一点横向空间 */
    .site-nav-pricing i {
        display: none;
    }

    .site-nav-pricing {
        gap: 0;
        padding: 7px 6px;
    }
}

.site-account-btn.active {
    background: var(--surface-selected) !important;
    color: var(--primary) !important;
    border-color: rgba(0, 113, 227, 0.2) !important;
    box-shadow: none;
}

@media (min-width: 760px) {
    .home-workspace {
        max-width: 1240px;
    }
}

/* 工具页主区：与工作台组合类配合，单用此类时也有居中宽度 */
.tool-page-inner-wide {
    max-width: min(1600px, 100%);
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

/* —— 与 baokuan 对齐：顶区徽章/标题/副标题 + 步骤条 + 宽屏左配置 / 右预览 —— */
.bk-main {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
}

/* 与爆款一致：顶栏全宽，仅工作台内容区限制最大宽度，宽屏更好利用横向空间 */
.bk-workbench.tool-page-inner-wide {
    max-width: min(1600px, 100%);
    margin: 0 auto;
    width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
}

.bk-hero {
    text-align: center;
    padding: 18px 12px 8px;
}

.bk-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    background: var(--bg-card-solid);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.bk-hero-badge i {
    color: var(--text-primary);
    opacity: 0.75;
}

.bk-hero-title {
    margin-top: 14px;
    font-size: clamp(1.25rem, 2.4vw, 1.65rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.25;
}

.bk-hero-sub {
    margin: 10px auto 0;
    max-width: 520px;
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-secondary);
}

.bk-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 0;
    margin-top: 22px;
    padding: 0 4px 16px;
}

.bk-stepper-line {
    flex: 1;
    min-width: 12px;
    max-width: 40px;
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    margin: 0 2px;
    align-self: flex-start;
    margin-top: 15px;
}

.bk-stepper-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 52px;
    max-width: 72px;
}

.bk-stepper-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
    border: 2px solid var(--border);
    background: var(--bg-card-solid);
    color: var(--text-muted);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.bk-stepper-num .step-check {
    display: none;
    font-size: 11px;
}

.bk-stepper-item.pending .bk-stepper-num {
    opacity: 0.85;
}

.bk-stepper-item.active .bk-stepper-num {
    background: var(--surface-selected);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.bk-stepper-item.done .bk-stepper-num {
    background: var(--surface-selected);
    border-color: rgba(0, 113, 227, 0.35);
    color: var(--primary);
}

.bk-stepper-item.done .bk-stepper-num .step-num {
    display: none;
}

.bk-stepper-item.done .bk-stepper-num .step-check {
    display: block;
}

.bk-stepper-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.2;
}

.bk-stepper-item.active .bk-stepper-label {
    color: var(--text-primary);
}

.bk-stepper-item.done .bk-stepper-label {
    color: var(--text-secondary);
}

@media (min-width: 900px) {
    .tool-workspace-grid.bk-pro-grid {
        grid-template-columns: minmax(280px, 340px) minmax(380px, 1fr) !important;
        gap: 22px !important;
        align-items: start;
    }

    .tool-workspace-output.bk-output-col {
        position: sticky;
        top: calc(var(--site-topbar-height, 56px) + env(safe-area-inset-top, 0px) + 8px);
        max-height: calc(100vh - var(--site-topbar-height, 56px) - env(safe-area-inset-top, 0px) - 16px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

.bk-config-col .card,
.bk-config-col .input-card {
    margin-bottom: 12px;
}

.bk-preview-card {
    background: var(--bg-card-solid);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    min-height: 320px;
}

.bk-preview-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    background: var(--bg-card-solid);
}

.bk-preview-head i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-elevated);
    color: var(--icon-default);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
}

.bk-preview-body {
    padding: 12px 14px 16px;
}

.bk-preview-body .result-section {
    margin-top: 0;
}

/* 预览区占位（海报 / 图片生成 / 图生视频） */
.wb-output-hint {
    margin-bottom: 0;
    border: 1px dashed var(--border);
    background: var(--bg-main);
    border-radius: 14px;
}

.wb-output-hint-inner {
    text-align: center;
    color: var(--text-muted);
    padding: 28px 16px;
}

.wb-output-hint-inner > i {
    font-size: 34px;
    opacity: 0.32;
    display: block;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.wb-output-hint-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.wb-output-hint-sub {
    font-size: 12px;
    line-height: 1.55;
    color: var(--text-secondary);
    max-width: 280px;
    margin: 0 auto;
}

/* 生成按钮旁：单次积分消耗（与各页 billing_feature_costs 一致） */
.feature-credit-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.45;
}
.feature-credit-hint strong {
    color: var(--primary);
    font-weight: 600;
}
.feature-credit-hint i {
    font-size: 11px;
    color: var(--primary);
    opacity: 0.85;
}
/* 若误放在主按钮内部，数字须与按钮文字同色，避免蓝底蓝字看不见 */
.btn-go .feature-credit-hint,
.submit-btn .feature-credit-hint,
.run-btn .feature-credit-hint {
    color: var(--on-primary, #fff) !important;
    margin-top: 4px;
}
.btn-go .feature-credit-hint strong,
.submit-btn .feature-credit-hint strong,
.run-btn .feature-credit-hint strong,
.btn-go .feature-credit-hint i,
.submit-btn .feature-credit-hint i,
.run-btn .feature-credit-hint i {
    color: var(--on-primary, #fff) !important;
    opacity: 1;
}

/**
 * 工作台右侧「生成结果」预览尺寸体系（与各工具对齐，沿用精品海报卡宽）
 */
.wb-result-preview-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 12px;
    width: 100%;
}

.wb-result-preview-cell {
    flex: 0 1 auto;
    box-sizing: border-box;
    width: min(260px, calc(50% - 8px));
    max-width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-main);
    border: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    position: relative;
}

@media (min-width: 880px) {
    .bk-output-col .wb-result-preview-cell {
        width: min(246px, 100%);
    }
}

/* 图片：默认 9:16 框（inline aspect-ratio，如海报按规格覆盖） */
.wb-result-preview-cell img {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: contain;
    background: var(--bg-card);
}

/* 兼容图片生成页的类名 */
.wb-result-preview-cell .wb-gen-result-img {
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: contain;
    background: var(--bg-card);
    border: none;
    border-radius: 0;
    max-height: none;
}

.wb-gen-result-vwrap.wb-result-preview-grid {
    margin-bottom: 0;
}

.wb-result-preview-cell video {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: contain;
    background: #0a0a0a;
    border: none;
    border-radius: 0;
}

/* 爆款详情图：单行横向滚动，失败图由前端过滤不占位 */
.bk-output-col .panel-images.wb-result-preview-grid {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    margin-bottom: 16px;
}

.bk-output-col .image-item.wb-result-preview-cell {
    flex: 0 0 auto;
    width: 140px;
    max-width: none;
    scroll-snap-align: start;
    background: var(--bg-main);
    border: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.bk-output-col .image-item.wb-result-preview-cell .img-wrap {
    height: auto;
    min-height: 0;
    aspect-ratio: 9 / 16;
    background: var(--bg-card);
}

.bk-output-col .image-item.wb-result-preview-cell .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.bk-output-col .image-item.wb-result-preview-cell:hover img {
    transform: none;
}

.wb-gen-open-history {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary) !important;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    text-decoration: none !important;
    transition: background 0.2s ease, transform 0.15s ease;
}

.wb-gen-open-history:hover {
    background: var(--bg-elevated);
}

/* ══════════════════════════════════════════════
   全站统一「上传拖拽区」布局（配色仍由 theme-chanel 的渐变 / 变量负责）
══════════════════════════════════════════════ */
.upload-area.wb-upload-zone:not(.has-image),
label.wb-upload-zone {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    position: relative !important;
    overflow: hidden !important;
    min-height: 132px !important;
    padding: 16px !important;
    cursor: pointer !important;
    text-align: center !important;
    line-height: 1.45 !important;
    border-radius: 14px !important;
    border-width: 1.5px !important;
    border-style: dashed !important;
}

label.wb-upload-zone {
    -webkit-appearance: none;
    appearance: none;
}

.upload-area.wb-upload-zone:not(.has-image) {
    border-color: var(--border) !important;
}

.upload-area.wb-upload-zone:not(.has-image):hover,
.upload-area.wb-upload-zone:not(.has-image).dragover,
label.wb-upload-zone:hover {
    border-color: var(--text-secondary) !important;
}

.upload-area.wb-upload-zone:not(.has-image) .upload-icon,
label.wb-upload-zone .upload-icon {
    margin: 0 !important;
    flex-shrink: 0 !important;
}

.upload-area.wb-upload-zone:not(.has-image):hover .upload-icon,
label.wb-upload-zone .upload-icon {
    width: 44px !important;
    height: 44px !important;
    border-radius: var(--radius-md, 12px) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 17px !important;
    background: var(--surface-selected) !important;
    color: var(--primary) !important;
    border: 1px solid rgba(0, 113, 227, 0.15) !important;
    box-shadow: none !important;
}

/* 内层文案区：拉回「整列居中」，避免仅靠 shrink 子项导致图标像在左侧漂移 */
.upload-area.wb-upload-zone:not(.has-image) .upload-content {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    max-width: 100% !important;
    align-self: stretch !important;
    gap: 6px !important;
    margin: 0 !important;
    text-align: center !important;
    box-sizing: border-box !important;
}

.upload-area.wb-upload-zone:not(.has-image) .upload-content .upload-hint {
    width: 100% !important;
    max-width: 100% !important;
    justify-content: center !important;
}

/* 精品海报上传：浅色圆标 + 深灰图标，整体更轻盈 */
.upload-area.wb-upload-zone.wb-upload-soft:not(.has-image) .upload-icon,
.upload-area.wb-upload-zone.wb-upload-soft:not(.has-image):hover .upload-icon {
    background: var(--bg-elevated) !important;
    box-shadow: none !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border) !important;
}

label.wb-upload-zone .upload-text {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
}

.upload-area.wb-upload-zone:not(.has-image) .upload-hint,
label.wb-upload-zone .upload-hint {
    font-size: 12px !important;
    font-weight: 400 !important;
    color: var(--text-muted) !important;
    margin: 0 !important;
    max-width: 24rem;
}

.upload-area.has-image.wb-upload-zone {
    min-height: 0 !important;
    gap: 0 !important;
    cursor: default !important;
    align-items: stretch !important;
}

/* —— 联系客服弹窗 —— */
.cs-modal {
    position: fixed;
    inset: 0;
    z-index: 10080;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-sizing: border-box;
}

.cs-modal.show {
    display: flex;
}

.cs-modal-card {
    position: relative;
    width: 100%;
    max-width: 340px;
    max-height: min(80vh, 520px);
    overflow-y: auto;
    padding: 22px 20px 18px;
    text-align: center;
    background: var(--bg-card-solid, #fff);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
    animation: csModalIn 0.22s ease-out;
}

@keyframes csModalIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.cs-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 999px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.cs-modal-title {
    margin: 4px 0 14px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}

.cs-modal-info {
    margin: 0 0 14px;
    padding: 12px 14px;
    text-align: left;
    font-size: 13.5px;
    line-height: 1.65;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border-radius: 12px;
    word-break: break-word;
}

.cs-modal-empty {
    margin: 0 0 14px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
}

.cs-modal-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none !important;
    box-sizing: border-box;
    cursor: pointer;
}

.cs-modal-btn--link {
    margin-bottom: 10px;
    color: #fff !important;
    background: var(--gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.25);
}

.cs-modal-btn--link .cs-modal-wx-ic {
    font-size: 18px;
    line-height: 1;
}

.cs-modal-btn--link:active {
    transform: scale(0.98);
}

.cs-modal-btn--ghost {
    color: var(--text-secondary);
    background: var(--bg-elevated);
}

button.site-account-link {
    width: 100%;
    cursor: pointer;
    font: inherit;
    text-align: left;
    -webkit-appearance: none;
    appearance: none;
}