/* ========== 苹果式容器 ========== */
.apple-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 顶部占位 ========== */
.hero-header {
    background: #ffffff;
    padding: 40px 0 28px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.hero-header .hero-eyebrow {
    font-size: 12px;
    font-weight: 600;
    color: #0066cc;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.hero-header h1 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.08;
    color: #1d1d1f;
    margin-bottom: 10px;
}

.hero-header .hero-subhead {
    font-size: 17px;
    font-weight: 400;
    color: #6e6e73;
    letter-spacing: -0.01em;
    line-height: 1.45;
    max-width: 640px;
    margin-bottom: 20px;
}

.hero-header .hero-badge-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-header .pill-badge {
    display: inline-flex;
    align-items: center;
    background: #f5f5f7;
    color: #1d1d1f;
    font-size: 12px;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 40px;
    letter-spacing: -0.01em;
    transition: background 0.2s;
}

.hero-header .pill-badge:hover {
    background: #e8e8ed;
}

.hero-header .pill-badge i {
    margin-right: 5px;
    font-size: 13px;
    color: #0066cc;
}

/* ========== 固定导航栏 ========== */
.fixed-nav {
    position: fixed;
    top: -130px;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: top 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    will-change: top;
}

.fixed-nav.show {
    top: 0;
}

.fixed-nav .nav-inner {
    /*max-width: 1120px;*/
    margin: 0 auto;
    /*padding: 0 20px;*/
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    gap: 16px;
}

.nav-tool {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    min-width: 0;
}

.nav-tool .icon-circle {
    width: 32px;
    height: 32px;
    background: #f5f5f7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0066cc;
    font-size: 17px;
    transition: background 0.2s;
}

.nav-tool:hover .icon-circle {
    background: #e8e8ed;
}

.nav-tool .tool-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.nav-tool .tool-meta .name {
    font-size: 14px;
    font-weight: 600;
    color: #1d1d1f;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-tool .tool-meta .ver {
    font-size: 11px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: 0;
}

.nav-announce-wrap {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.announce-pill {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 40px;
    padding: 5px 16px 5px 6px;
    max-width: 600px;
    width: 100%;
    transition: background 0.2s;
    border: 1px solid rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

.announce-pill:hover {
    background: rgba(0, 0, 0, 0.05);
}

.announce-pill .tag {
    background: #0066cc;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 40px;
    letter-spacing: 0.02em;
    margin-right: 10px;
    flex-shrink: 0;
}

.announce-pill .msg {
    font-size: 12px;
    color: #1d1d1f;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.01em;
}

.announce-pill .msg i {
    color: #0066cc;
    margin-right: 4px;
    font-size: 12px;
}

.nav-download {
    flex-shrink: 0;
}

.nav-download .btn-apple {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #0071e3;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    padding: 0 18px;
    height: 34px;
    line-height: 34px;
    border-radius: 40px;
    border: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
    letter-spacing: -0.01em;
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.15);
}

.nav-download .btn-apple:hover {
    background: #0077ed;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.25);
}

.nav-download .btn-apple:active {
    transform: scale(0.98);
}

.nav-download .btn-apple i {
    font-size: 15px;
}

/* ========== 主体内容 ========== */
.main-wrapper {
    background: #fbfbfd;
    padding-bottom: 60px;
}

.notice-banner {
    background: #ffffff;
    border-radius: 16px;
    padding: 14px 20px;
    margin: 24px 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s;
}

.notice-banner:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.notice-banner .icon-badge {
    width: 32px;
    height: 32px;
    background: #fef3e2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff9500;
    font-size: 16px;
    flex-shrink: 0;
}

.notice-banner .text-content {
    font-size: 13px;
    color: #1d1d1f;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.notice-banner .text-content strong {
    font-weight: 600;
    color: #0066cc;
    margin-right: 4px;
}

/* ========== 简介卡片（含底部操作区） ========== */
.intro-section {
    background: #ffffff;
    border-radius: 24px;
    padding: 40px 36px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: box-shadow 0.3s;
}

.intro-section:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.intro-section .overline {
    font-size: 12px;
    font-weight: 600;
    color: #0066cc;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.intro-section h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
    color: #1d1d1f;
    margin-bottom: 16px;
}

.intro-section .desc {
    font-size: 15px;
    color: #6e6e73;
    line-height: 1.6;
    letter-spacing: -0.01em;
    max-width: 820px;
    font-weight: 400;
}

/* 简介卡片底部操作区（版本号 / 下载 / 购买） */
.intro-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid #f0f0f2;
}

/* 版本号标签 */
.intro-actions .version-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #f5f5f7;
    color: #1d1d1f;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 40px;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.intro-actions .version-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34c759;
    flex-shrink: 0;
}

/* 按钮通用 */
.intro-actions .btn-primary,
.intro-actions .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-size: 14px;
    font-weight: 500;
    height: 40px;
    padding: 0 24px;
    border-radius: 40px;
    border: none;
    cursor: pointer;
    letter-spacing: -0.01em;
    transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
    white-space: nowrap;
}

.intro-actions .btn-primary {
    background: #0071e3;
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.18);
}

.intro-actions .btn-primary:hover {
    background: #0077ed;
    transform: scale(1.02);
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.3);
}

.intro-actions .btn-primary:active {
    transform: scale(0.98);
}

.intro-actions .btn-secondary {
    background: #f5f5f7;
    color: #1d1d1f;
    border: 1px solid #e8e8ed;
}

.intro-actions .btn-secondary:hover {
    background: #e8e8ed;
    transform: scale(1.02);
}

.intro-actions .btn-secondary:active {
    transform: scale(0.98);
}

.intro-actions .btn-primary i,
.intro-actions .btn-secondary i {
    font-size: 16px;
}

/* ========== 特点网格 ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}

.feature-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 26px 22px;
    border: 1px solid rgba(0, 0, 0, 0.03);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    cursor: default;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 113, 227, 0.15);
}

.feature-card .icon-wrap {
    width: 42px;
    height: 42px;
    background: #f5f5f7;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0066cc;
    font-size: 22px;
    margin-bottom: 16px;
    transition: background 0.2s;
}

.feature-card:hover .icon-wrap {
    background: #e8f2ff;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: #1d1d1f;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 13px;
    color: #6e6e73;
    line-height: 1.5;
    letter-spacing: -0.01em;
    font-weight: 400;
    margin: 0;
}

/* ============================================================
   界面预览（工具示例截图）
   ============================================================ */
.preview-section {
    background: #ffffff;
    border-radius: 24px;
    padding: 36px 36px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: box-shadow 0.3s;
    margin-bottom: 24px;
}

.preview-section:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.preview-section .preview-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 8px;
}

.preview-section .preview-header h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #1d1d1f;
}

.preview-section .preview-header .preview-sub {
    font-size: 13px;
    color: #86868b;
    font-weight: 400;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.preview-item {
    background: #f5f5f7;
    //border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e8e8ed;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    cursor: default;
}

.preview-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 113, 227, 0.2);
}

.preview-item .preview-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #e8e8ed;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-item .preview-img-wrap img {
    width: 100%;
    height: 100%;
    // object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.preview-item:hover .preview-img-wrap img {
    // transform: scale(1.02);
}

.preview-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #86868b;
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
    pointer-events: none;
}

.preview-placeholder .ph-icon {
    font-size: 40px;
    color: #b0b0b5;
}

.preview-placeholder .ph-text {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: #86868b;
}

.preview-item .preview-caption {
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 6px;
    border-top: 1px solid #e8e8ed;
    /*background: #ffffff;*/
}

.preview-item .preview-caption i {
    font-size: 15px;
    color: #0066cc;
}

/* ============================================================
   FAQ 区域（原生手风琴，无 Layui 干预）
   ============================================================ */
.faq-section {
    background: #ffffff;
    border-radius: 24px;
    padding: 36px 36px 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: box-shadow 0.3s;
    margin-bottom: 24px;
}

.faq-section:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.faq-section .faq-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 8px;
}

.faq-section .faq-header h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #1d1d1f;
}

.faq-section .faq-header .faq-sub {
    font-size: 13px;
    color: #86868b;
    font-weight: 400;
}

/* 手风琴容器 */
.apple-accordion {
    border-radius: 16px;
    overflow: hidden;
    background: #fbfbfd;
    border: 1px solid #f0f0f2;
}

/* 每个条目 */
.faq-item {
    border-top: 1px solid #f0f0f2;
}

.faq-item:first-child {
    border-top: none;
}

/* 触发按钮：重置 button 默认样式 */
.faq-trigger {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 22px 56px 22px 24px;
    background: #ffffff;
    border: none;
    border-left: 4px solid transparent;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: -0.01em;
    line-height: 1.5;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s, border-left-color 0.2s;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.faq-trigger:hover {
    background: #fbfbfd;
}

.faq-trigger:focus-visible {
    outline: 2px solid #0071e3;
    outline-offset: -2px;
}

/* 左侧圆形问号 */
.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: #f5f5f7;
    border-radius: 50%;
    color: #0066cc;
    font-size: 17px;
    flex-shrink: 0;
    transition: background 0.2s;
}

.faq-trigger:hover .faq-icon {
    background: #e8f2ff;
}

/* 问题文字 */
.faq-question {
    flex: 1;
    min-width: 0;
}

/* 右侧箭头：纯 CSS 绘制 */
.faq-arrow {
    position: absolute;
    right: 26px;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -6px;
    border-right: 2px solid #86868b;
    border-bottom: 2px solid #86868b;
    transform: rotate(45deg);
    transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1),
    border-color 0.2s;
    pointer-events: none;
}

/* 展开状态 */
.faq-item.is-open .faq-trigger {
    background: #fbfbfd;
    border-left-color: #0066cc;
}

.faq-item.is-open .faq-arrow {
    transform: rotate(-135deg);
    border-color: #0066cc;
    margin-top: -2px;
}

/* 折叠面板：用 grid-template-rows 做高度动画，天然支持 auto 高度且无重排 */
.faq-panel {
    display: grid;
    grid-template-rows: 0fr;
    background: #ffffff;
    transition: grid-template-rows 0.32s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.faq-item.is-open .faq-panel {
    grid-template-rows: 1fr;
}

/* 内层：min-height:0 是 grid 高度动画生效的关键 */
.faq-panel-inner {
    min-height: 0;
    overflow: hidden;
    padding: 0 24px 0 70px;
    transition: padding 0.32s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.faq-item.is-open .faq-panel-inner {
    padding-top: 24px;
    padding-bottom: 24px;

}

.faq-panel-inner p {
    margin: 0;
    font-size: 15px;
    color: #6e6e73;
    line-height: 1.75;
    letter-spacing: -0.01em;
    /* 让文字随展开淡入，视觉更顺滑 */
    opacity: 0;
    transition: opacity 0.25s ease 0.05s;
}

.faq-item.is-open .faq-panel-inner p {
    opacity: 1;
}

.faq-panel-inner p + p {
    margin-top: 12px;
}

.faq-panel-inner a {
    color: #0066cc;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ========== 移动端 ========== */
@media (max-width: 768px) {
    .faq-section {
        border-radius: 20px;
        padding: 22px 18px 24px;
        margin-bottom: 18px;
    }

    .faq-section .faq-header {
        margin-bottom: 20px;
    }

    .faq-section .faq-header h3 {
        font-size: 20px;
    }

    .faq-section .faq-header .faq-sub {
        font-size: 12px;
    }

    .apple-accordion {
        border-radius: 14px;
    }

    .faq-trigger {
        padding: 16px 44px 16px 16px;
        font-size: 15px;
        line-height: 1.45;
        gap: 10px;
        border-left-width: 3px;
    }

    .faq-arrow {
        right: 18px;
        width: 7px;
        height: 7px;
        margin-top: -5px;
    }

    .faq-item.is-open .faq-arrow {
        margin-top: -1px;
    }

    .faq-icon {
        width: 28px;
        height: 28px;
        font-size: 15px;
    }

    .faq-panel-inner {
        padding: 0 16px 0 54px;
    }

    .faq-item.is-open .faq-panel-inner {
        padding-bottom: 20px;
    }

    .faq-panel-inner p {
        font-size: 15px;
        line-height: 1.7;
    }

    .faq-panel-inner p + p {
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .faq-section .faq-header h3 {
        font-size: 18px;
    }

    .faq-trigger {
        padding: 14px 40px 14px 14px;
        font-size: 14px;
    }

    .faq-arrow {
        right: 16px;
    }

    .faq-icon {
        width: 26px;
        height: 26px;
        font-size: 14px;
    }

    .faq-panel-inner {
        padding: 0 14px 0 50px;
    }

    .faq-item.is-open .faq-panel-inner {
        padding-bottom: 18px;
    }

    .faq-panel-inner p {
        font-size: 14px;
    }
}

/* ============================================================
   下载区域
   ============================================================ */
.download-section {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px 36px 36px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: box-shadow 0.3s;
    margin-bottom: 28px;
}

.download-section:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.download-section .dl-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 8px;
}

.download-section .dl-header h3 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #1d1d1f;
}

.download-section .dl-header .dl-sub {
    font-size: 13px;
    color: #86868b;
    font-weight: 400;
}

.dl-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
}

.dl-table thead th {
    text-align: left;
    padding: 12px 14px 12px 0;
    font-weight: 500;
    font-size: 12px;
    color: #86868b;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border-bottom: 1px solid #e8e8ed;
}

.dl-table thead th:last-child {
    text-align: right;
    padding-right: 0;
}

.dl-table tbody td {
    padding: 18px 14px 18px 0;
    border-bottom: 1px solid #f0f0f2;
    color: #1d1d1f;
    font-weight: 400;
    letter-spacing: -0.01em;
    vertical-align: middle;
}

.dl-table tbody td:last-child {
    text-align: right;
    padding-right: 0;
}

.dl-table tbody tr:last-child td {
    border-bottom: none;
}

.dl-table tbody td:first-child {
    font-weight: 500;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #1d1d1f;
}

.version-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34c759;
    flex-shrink: 0;
}

.size-badge {
    display: inline-block;
    background: #f5f5f7;
    padding: 3px 12px;
    border-radius: 40px;
    font-size: 12px;
    color: #1d1d1f;
    font-weight: 500;
    white-space: nowrap;
}

.btn-download-sm {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #0071e3;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 20px;
    border-radius: 40px;
    border: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
    letter-spacing: -0.01em;
    box-shadow: 0 2px 6px rgba(0, 113, 227, 0.12);
    text-decoration: none;
    white-space: nowrap;
}

.btn-download-sm:hover {
    background: #0077ed;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.2);
}

.btn-download-sm:active {
    transform: scale(0.98);
}

.btn-download-sm i {
    font-size: 14px;
}

.dl-helper-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid #f0f0f2;
}

.dl-helper-links .helper-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: #0066cc;
    font-weight: 400;
    letter-spacing: -0.01em;
    transition: color 0.2s;
    cursor: pointer;
}

.dl-helper-links .helper-item:hover {
    color: #004499;
    text-decoration: underline;
}

.dl-helper-links .helper-item i {
    font-size: 17px;
    color: #86868b;
    transition: color 0.2s;
}

.dl-helper-links .helper-item:hover i {
    color: #0066cc;
}

/* 页脚 */
.apple-footer {
    text-align: center;
    padding: 28px 20px 40px;
    font-size: 12px;
    color: #86868b;
    letter-spacing: -0.01em;
    border-top: 1px solid #e8e8ed;
    margin-top: 16px;
}

/* ========== 响应式：平板 ========== */
@media (max-width: 1024px) {
    .hero-header h1 {
        font-size: 34px;
    }

    .hero-header .hero-subhead {
        font-size: 16px;
    }

    .intro-section h2 {
        font-size: 28px;
    }

    .intro-section {
        padding: 32px 28px;
    }

    .preview-section {
        padding: 28px 28px 32px;
    }

    .faq-section {
        padding: 28px 28px 32px;
    }

    .download-section {
        padding: 28px 28px 32px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* ========== 响应式：移动端 ========== */
@media (max-width: 768px) {
    .apple-container {
        padding: 0 16px;
    }

    .hero-header {
        padding: 28px 0 22px;
    }

    .hero-header .hero-eyebrow {
        font-size: 11px;
    }

    .hero-header h1 {
        font-size: 28px;
        margin-bottom: 8px;
    }

    .hero-header .hero-subhead {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: 16px;
    }

    .hero-header .pill-badge {
        font-size: 11px;
        padding: 4px 12px;
    }

    /* 固定导航移动端布局 */
    .fixed-nav .nav-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 16px;
        gap: 10px;
    }

    .nav-tool {
        order: 1;
    }

    .nav-tool .icon-circle {
        width: 28px;
        height: 28px;
        font-size: 15px;
    }

    .nav-tool .tool-meta .name {
        font-size: 13px;
    }

    .nav-tool .tool-meta .ver {
        font-size: 10px;
    }

    .nav-download {
        order: 2;
    }

    .nav-download .btn-apple {
        height: 32px;
        line-height: 32px;
        padding: 0;
        font-size: 12px;
    }

    .nav-download .btn-apple i {
        font-size: 14px;
    }

    .nav-announce-wrap {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }

    .announce-pill {
        max-width: 100%;
        padding: 5px 14px 5px 6px;
    }

    .announce-pill .tag {
        font-size: 10px;
        padding: 2px 8px;
        margin-right: 8px;
    }

    .announce-pill .msg {
        font-size: 12px;
    }

    /* 主体 */
    .main-wrapper {
        padding-bottom: 40px;
    }

    .notice-banner {
        padding: 12px 16px;
        margin: 18px 0;
        border-radius: 14px;
    }

    .notice-banner .icon-badge {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    .notice-banner .text-content {
        font-size: 12px;
    }

    .intro-section {
        border-radius: 20px;
        padding: 26px 20px;
        margin-bottom: 18px;
    }

    .intro-section .overline {
        font-size: 11px;
        margin-bottom: 8px;
    }

    .intro-section h2 {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .intro-section .desc {
        font-size: 14px;
        line-height: 1.55;
    }

    /* 简介底部操作区移动端：换行排列，按钮更舒适 */
    .intro-actions {
        margin-top: 20px;
        padding-top: 18px;
        gap: 10px;
    }

    .intro-actions .version-tag {
        font-size: 12px;
        padding: 7px 14px;
    }

    .intro-actions .btn-primary,
    .intro-actions .btn-secondary {
        height: 38px;
        padding: 0 20px;
        font-size: 13px;
    }

    .intro-actions .btn-primary i,
    .intro-actions .btn-secondary i {
        font-size: 15px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-bottom: 18px;
    }

    .feature-card {
        border-radius: 16px;
        padding: 20px 18px;
    }

    .feature-card .icon-wrap {
        width: 36px;
        height: 36px;
        font-size: 19px;
        border-radius: 12px;
        margin-bottom: 12px;
    }

    .feature-card h3 {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .feature-card p {
        font-size: 12px;
        line-height: 1.5;
    }

    /* 预览区域移动端 */
    .preview-section {
        border-radius: 20px;
        padding: 22px 18px 24px;
        margin-bottom: 18px;
    }

    .preview-section .preview-header {
        margin-bottom: 18px;
    }

    .preview-section .preview-header h3 {
        font-size: 20px;
    }

    .preview-section .preview-header .preview-sub {
        font-size: 12px;
    }

    .preview-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .preview-item {
        border-radius: 14px;
    }

    .preview-item .preview-caption {
        padding: 12px 14px;
        font-size: 13px;
    }

    .preview-placeholder .ph-icon {
        font-size: 32px;
    }

    .preview-placeholder .ph-text {
        font-size: 12px;
    }

    /* FAQ 区域移动端 */
    .faq-section {
        border-radius: 20px;
        padding: 22px 18px 24px;
        margin-bottom: 18px;
    }

    .faq-section .faq-header {
        margin-bottom: 18px;
    }

    .faq-section .faq-header h3 {
        font-size: 20px;
    }

    .faq-section .faq-header .faq-sub {
        font-size: 12px;
    }

    .apple-collapse {
        border-radius: 14px;
    }

    .apple-collapse .layui-colla-title {
        padding: 15px 44px 15px 16px;
        font-size: 14px;
        gap: 10px;
    }

    .apple-collapse .layui-colla-title .faq-icon {
        width: 24px;
        height: 24px;
        font-size: 13px;
    }

    .apple-collapse .layui-colla-title .layui-colla-icon {
        right: 16px;
        font-size: 13px;
    }

    .apple-collapse .layui-colla-content {
        padding: 0 16px 16px 50px;
        font-size: 13px;
        line-height: 1.6;
    }

    /* 下载区域移动端 */
    .download-section {
        border-radius: 20px;
        padding: 22px 18px 24px;
        margin-bottom: 20px;
    }

    .download-section .dl-header {
        margin-bottom: 18px;
    }

    .download-section .dl-header h3 {
        font-size: 20px;
    }

    .download-section .dl-header .dl-sub {
        font-size: 12px;
    }

    .dl-table thead {
        display: none;
    }

    .dl-table tbody tr {
        display: block;
        background: #fbfbfd;
        border-radius: 14px;
        padding: 16px;
        margin-bottom: 12px;
        border: 1px solid #f0f0f2;
    }

    .dl-table tbody tr:last-child {
        margin-bottom: 0;
    }

    .dl-table tbody td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 6px 0;
        border-bottom: none;
        font-size: 13px;
        text-align: left !important;
    }

    .dl-table tbody td:last-child {
        padding-top: 12px;
        padding-bottom: 0;
    }

    .dl-table tbody td::before {
        content: attr(data-label);
        font-size: 12px;
        color: #86868b;
        font-weight: 400;
        margin-right: 12px;
        letter-spacing: 0.02em;
        text-transform: uppercase;
        flex-shrink: 0;
    }

    .version-badge {
        font-size: 14px;
    }

    .version-badge .dot {
        width: 5px;
        height: 5px;
    }

    .size-badge {
        font-size: 11px;
        padding: 2px 10px;
    }

    .btn-download-sm {
        justify-content: center;
        font-size: 14px;
        gap: 8px;
    }

    .btn-download-sm i {
        font-size: 16px;
    }

    .dl-helper-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        margin-top: 22px;
        padding-top: 18px;
    }

    .dl-helper-links .helper-item {
        font-size: 13px;
    }

    .apple-footer {
        padding: 22px 16px 32px;
        font-size: 11px;
    }
}

/* ========== 响应式：小屏手机 ========== */
@media (max-width: 480px) {
    .hero-header h1 {
        font-size: 24px;
    }

    .hero-header .hero-subhead {
        font-size: 13px;
    }

    .intro-section h2 {
        font-size: 20px;
    }

    .intro-section .desc {
        font-size: 13px;
    }

    .preview-section .preview-header h3 {
        font-size: 18px;
    }

    .faq-section .faq-header h3 {
        font-size: 18px;
    }

    .download-section .dl-header h3 {
        font-size: 18px;
    }

    .fixed-nav .nav-inner {
        flex-direction: column;
        align-items: stretch;
        padding: 10px 14px;
    }

    .nav-tool,
    .nav-download {
        width: 100%;
    }

    .nav-download .btn-apple {
        width: 100%;
        justify-content: center;
    }

    .announce-pill {
        padding: 5px 12px 5px 5px;
    }

    .announce-pill .msg {
        font-size: 11px;
    }

    .dl-table tbody tr {
        padding: 14px 12px;
    }

    .apple-collapse .layui-colla-title {
        padding: 14px 40px 14px 14px;
        font-size: 13px;
    }

    .apple-collapse .layui-colla-content {
        padding: 0 14px 14px 44px;
        font-size: 12px;
    }

    /* 简介底部操作区小屏：按钮占满整行 */
    .intro-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .intro-actions .version-tag {
        align-self: flex-start;
    }

    .intro-actions .btn-primary,
    .intro-actions .btn-secondary {
        /*width: 100%;*/
        height: 40px;
        font-size: 14px;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}
