/* 91网 - 主样式表 */
/* CSS前缀: jw- */

:root {
    --jw-primary: #FFFFFF;
    --jw-secondary: #F5F7FA;
    --jw-accent: #409EFF;
    --jw-text: #303133;
    --jw-link: #409EFF;
    --jw-border: #EBEEF5;
    --jw-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --jw-shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
    --jw-radius: 8px;
    --jw-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "Lato", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--jw-text);
    background-color: var(--jw-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--jw-text);
}

a {
    color: var(--jw-link);
    text-decoration: none;
    transition: var(--jw-transition);
}

a:hover {
    color: #66b1ff;
}

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

/* 干扰标签隐藏 */
.pixel-jammer-block {
    display: none;
}

/* ===== 导航栏 ===== */
#jw-header {
    background: var(--jw-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    width: 100%;
}

.jw-nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.jw-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.jw-logo img {
    height: 36px;
    width: auto;
}

.jw-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--jw-text);
}

.jw-nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
}

.jw-nav-menu li {
    position: relative;
}

.jw-nav-menu a {
    display: block;
    padding: 8px 16px;
    color: var(--jw-text);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.jw-nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--jw-accent);
    transition: var(--jw-transition);
}

.jw-nav-menu a:hover::after,
.jw-nav-menu a.jw-active::after {
    width: 70%;
}

.jw-nav-menu a:hover {
    color: var(--jw-accent);
    background: rgba(64, 158, 255, 0.04);
}

/* 汉堡菜单 */
.jw-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border: none;
    background: none;
}

.jw-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--jw-text);
    transition: var(--jw-transition);
    border-radius: 2px;
}

/* 移动端侧边栏 */
.jw-mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.jw-mobile-overlay.jw-visible {
    opacity: 1;
}

.jw-mobile-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background: var(--jw-primary);
    z-index: 1200;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding: 24px 0;
}

.jw-mobile-menu.jw-open {
    left: 0;
}

.jw-mobile-menu-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--jw-border);
    margin-bottom: 12px;
}

.jw-mobile-menu ul {
    list-style: none;
}

.jw-mobile-menu ul li a {
    display: block;
    padding: 14px 24px;
    color: var(--jw-text);
    font-size: 0.95rem;
    border-left: 3px solid transparent;
    transition: var(--jw-transition);
}

.jw-mobile-menu ul li a:hover,
.jw-mobile-menu ul li a.jw-active {
    background: rgba(64, 158, 255, 0.06);
    border-left-color: var(--jw-accent);
    color: var(--jw-accent);
}

/* ===== 主内容区 ===== */
.jw-main {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px 20px;
}

.jw-section {
    margin-bottom: 48px;
}

.jw-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.jw-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--jw-text);
    position: relative;
    padding-left: 16px;
}

.jw-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--jw-accent);
    border-radius: 2px;
}

.jw-section-desc {
    color: #909399;
    font-size: 0.875rem;
    margin-top: 4px;
}

.jw-section-more {
    font-size: 0.875rem;
    color: var(--jw-accent);
}

/* ===== 卡片组件 ===== */
.jw-card {
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    box-shadow: var(--jw-shadow);
    overflow: hidden;
    transition: var(--jw-transition);
    animation: jw-fadeUp 0.5s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.jw-card:hover {
    box-shadow: var(--jw-shadow-hover);
    transform: translateY(-4px);
}

.jw-card-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.jw-card-body {
    padding: 16px;
}

.jw-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.jw-card-excerpt {
    font-size: 0.875rem;
    color: #606266;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.jw-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    font-size: 0.75rem;
    color: #909399;
}

/* ===== 网格布局 ===== */
.jw-grid {
    display: grid;
    gap: 20px;
}

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

.jw-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.jw-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== 科技头条模块 ===== */
.jw-headline-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
}

.jw-headline-main {
    position: relative;
    border-radius: var(--jw-radius);
    overflow: hidden;
}

.jw-headline-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 360px;
}

.jw-headline-main .jw-headline-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
}

.jw-headline-main .jw-headline-overlay h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.jw-headline-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.jw-headline-item {
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    padding: 16px;
    box-shadow: var(--jw-shadow);
    transition: var(--jw-transition);
    display: flex;
    align-items: center;
    gap: 12px;
}

.jw-headline-item:hover {
    box-shadow: var(--jw-shadow-hover);
    transform: translateX(4px);
}

.jw-headline-item .jw-item-index {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--jw-accent);
    min-width: 32px;
}

.jw-headline-item .jw-item-title {
    font-size: 0.9rem;
    color: var(--jw-text);
    line-height: 1.4;
}

/* ===== 横向滚动 ===== */
.jw-scroll-container {
    overflow-x: auto;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.jw-scroll-container::-webkit-scrollbar {
    height: 6px;
}

.jw-scroll-container::-webkit-scrollbar-track {
    background: var(--jw-secondary);
    border-radius: 3px;
}

.jw-scroll-container::-webkit-scrollbar-thumb {
    background: #C0C4CC;
    border-radius: 3px;
}

.jw-scroll-row {
    display: flex;
    gap: 16px;
    min-width: max-content;
}

.jw-scroll-card {
    width: 280px;
    flex-shrink: 0;
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    box-shadow: var(--jw-shadow);
    overflow: hidden;
    transition: var(--jw-transition);
}

.jw-scroll-card:hover {
    box-shadow: var(--jw-shadow-hover);
    transform: translateY(-4px);
}

/* ===== 软件列表 ===== */
.jw-software-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.jw-software-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    box-shadow: var(--jw-shadow);
    transition: var(--jw-transition);
}

.jw-software-item:hover {
    box-shadow: var(--jw-shadow-hover);
}

.jw-software-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
}

.jw-software-info {
    flex: 1;
    min-width: 0;
}

.jw-software-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.jw-software-desc {
    font-size: 0.8rem;
    color: #909399;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 按钮 ===== */
.jw-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--jw-transition);
    position: relative;
    overflow: hidden;
}

.jw-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: width 0.4s, height 0.4s, top 0.4s, left 0.4s;
}

.jw-btn:active::after {
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
}

.jw-btn-primary {
    background: var(--jw-accent);
    color: white;
}

.jw-btn-primary:hover {
    background: #66b1ff;
    color: white;
}

.jw-btn-outline {
    background: transparent;
    border: 1px solid var(--jw-accent);
    color: var(--jw-accent);
}

.jw-btn-outline:hover {
    background: var(--jw-accent);
    color: white;
}

.jw-btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

/* ===== 教程标签 ===== */
.jw-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.jw-tag {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    background: var(--jw-secondary);
    color: #606266;
    cursor: pointer;
    transition: var(--jw-transition);
    border: 1px solid transparent;
}

.jw-tag:hover,
.jw-tag.jw-tag-active {
    background: rgba(64, 158, 255, 0.1);
    color: var(--jw-accent);
    border-color: var(--jw-accent);
}

/* ===== 问答社区 ===== */
.jw-qa-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.jw-qa-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    box-shadow: var(--jw-shadow);
    transition: var(--jw-transition);
}

.jw-qa-item:hover {
    box-shadow: var(--jw-shadow-hover);
}

.jw-qa-votes {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 48px;
    padding: 8px;
    background: var(--jw-secondary);
    border-radius: 6px;
}

.jw-qa-votes .jw-vote-count {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--jw-accent);
}

.jw-qa-votes .jw-vote-label {
    font-size: 0.7rem;
    color: #909399;
}

.jw-qa-content {
    flex: 1;
}

.jw-qa-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.jw-qa-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.jw-qa-tag {
    padding: 2px 8px;
    font-size: 0.7rem;
    background: rgba(64, 158, 255, 0.08);
    color: var(--jw-accent);
    border-radius: 3px;
}

/* ===== 搜索框 ===== */
.jw-search-box {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.jw-search-input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--jw-border);
    border-radius: 4px;
    font-size: 0.9rem;
    outline: none;
    transition: var(--jw-transition);
}

.jw-search-input:focus {
    border-color: var(--jw-accent);
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.1);
}

/* ===== VIP会员 ===== */
.jw-vip-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    overflow: hidden;
    box-shadow: var(--jw-shadow);
}

.jw-vip-table th,
.jw-vip-table td {
    padding: 14px 16px;
    text-align: center;
    border-bottom: 1px solid var(--jw-border);
    font-size: 0.875rem;
}

.jw-vip-table th {
    background: var(--jw-secondary);
    font-weight: 600;
    color: var(--jw-text);
}

.jw-vip-table .jw-vip-highlight {
    background: rgba(64, 158, 255, 0.04);
}

.jw-vip-check {
    color: var(--jw-accent);
    font-weight: bold;
}

.jw-vip-cross {
    color: #909399;
}

/* ===== 公告列表 ===== */
.jw-notice-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.jw-notice-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    box-shadow: var(--jw-shadow);
    transition: var(--jw-transition);
}

.jw-notice-item:hover {
    box-shadow: var(--jw-shadow-hover);
}

.jw-notice-title {
    font-size: 0.9rem;
    color: var(--jw-text);
}

.jw-notice-date {
    font-size: 0.8rem;
    color: #909399;
    flex-shrink: 0;
}

/* ===== 页脚 ===== */
#jw-footer {
    background: #2c2c2c;
    color: #b0b0b0;
    padding: 48px 20px 24px;
    margin-top: 60px;
}

.jw-footer-container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.jw-footer-col h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.jw-footer-col ul {
    list-style: none;
}

.jw-footer-col ul li {
    margin-bottom: 10px;
}

.jw-footer-col ul li a {
    color: #b0b0b0;
    font-size: 0.875rem;
    transition: var(--jw-transition);
}

.jw-footer-col ul li a:hover {
    color: var(--jw-accent);
}

.jw-footer-qr {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.jw-footer-qr img {
    width: 80px;
    height: 80px;
    border-radius: 4px;
}

.jw-footer-bottom {
    max-width: 1440px;
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid #444;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.8rem;
}

.jw-footer-certs {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.jw-footer-certs a {
    color: #b0b0b0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.jw-footer-certs a:hover {
    color: var(--jw-accent);
}

.jw-footer-certs img {
    height: 20px;
    width: auto;
}

.jw-footer-award {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #d4a017;
    font-size: 0.8rem;
}

.jw-footer-copyright {
    width: 100%;
    text-align: center;
    margin-top: 16px;
    color: #777;
    font-size: 0.75rem;
}

/* ===== 页面头部横幅 ===== */
.jw-page-banner {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: var(--jw-radius);
    margin-bottom: 32px;
}

.jw-page-header {
    text-align: center;
    margin-bottom: 40px;
}

.jw-page-header h1 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.jw-page-header p {
    color: #606266;
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 动画 ===== */
@keyframes jw-fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes jw-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.jw-animate {
    animation: jw-fadeUp 0.5s ease forwards;
}

/* ===== 评分星星 ===== */
.jw-rating {
    display: flex;
    gap: 2px;
}

.jw-star {
    color: #f7ba2a;
    font-size: 0.875rem;
}

.jw-star-empty {
    color: #C0C4CC;
}

/* ===== 响应式断点 ===== */
/* 1440px */
@media (max-width: 1440px) {
    .jw-main {
        max-width: 1200px;
    }
}

/* 1024px */
@media (max-width: 1024px) {
    .jw-grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }

    .jw-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .jw-headline-layout {
        grid-template-columns: 1fr;
    }

    .jw-footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 768px */
@media (max-width: 768px) {
    .jw-nav-menu {
        display: none;
    }

    .jw-hamburger {
        display: flex;
    }

    .jw-mobile-overlay {
        display: block;
        pointer-events: none;
    }

    .jw-mobile-overlay.jw-visible {
        pointer-events: auto;
    }

    .jw-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .jw-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .jw-grid-2 {
        grid-template-columns: 1fr;
    }

    .jw-section-title {
        font-size: 1.25rem;
    }

    .jw-footer-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .jw-vip-table {
        font-size: 0.75rem;
    }

    .jw-vip-table th,
    .jw-vip-table td {
        padding: 10px 8px;
    }
}

/* 360px */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .jw-nav-container {
        height: 56px;
    }

    .jw-main {
        padding: 16px 12px;
    }

    .jw-grid-4,
    .jw-grid-3,
    .jw-grid-2 {
        grid-template-columns: 1fr;
    }

    .jw-section {
        margin-bottom: 32px;
    }

    .jw-card-body {
        padding: 12px;
    }

    .jw-headline-main img {
        min-height: 200px;
    }

    .jw-footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .jw-footer-certs {
        justify-content: center;
    }
}

/* ===== 开发者中心三栏布局 ===== */
.jw-dev-layout {
    display: grid;
    grid-template-columns: 240px 1fr 320px;
    gap: 24px;
    min-height: calc(100vh - 200px);
}

.jw-dev-sidebar {
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    padding: 20px;
    box-shadow: var(--jw-shadow);
    height: fit-content;
}

.jw-dev-sidebar ul {
    list-style: none;
}

.jw-dev-sidebar ul li {
    margin-bottom: 4px;
}

.jw-dev-sidebar ul li a {
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
    color: var(--jw-text);
    font-size: 0.875rem;
    transition: var(--jw-transition);
}

.jw-dev-sidebar ul li a:hover,
.jw-dev-sidebar ul li a.jw-active {
    background: rgba(64, 158, 255, 0.08);
    color: var(--jw-accent);
}

.jw-dev-sidebar .jw-sidebar-group {
    margin-bottom: 16px;
}

.jw-dev-sidebar .jw-sidebar-group-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #909399;
    padding: 8px 12px;
    font-weight: 600;
}

.jw-dev-content {
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    padding: 32px;
    box-shadow: var(--jw-shadow);
}

.jw-dev-code-panel {
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    padding: 20px;
    box-shadow: var(--jw-shadow);
    height: fit-content;
}

.jw-code-block {
    background: #282c34;
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin: 12px 0;
}

.jw-code-block code {
    font-family: "Fira Code", "Consolas", monospace;
    font-size: 0.8rem;
    color: #abb2bf;
    line-height: 1.6;
}

.jw-code-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--jw-border);
    margin-bottom: 12px;
}

.jw-code-tab {
    padding: 8px 16px;
    font-size: 0.8rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: #909399;
    transition: var(--jw-transition);
}

.jw-code-tab:hover,
.jw-code-tab.jw-active {
    color: var(--jw-accent);
    border-bottom-color: var(--jw-accent);
}

.jw-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.75rem;
    background: #3a3f47;
    color: #abb2bf;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--jw-transition);
}

.jw-copy-btn:hover {
    background: #4a4f57;
    color: white;
}

/* 开发者中心响应式 */
@media (max-width: 1024px) {
    .jw-dev-layout {
        grid-template-columns: 1fr;
    }

    .jw-dev-sidebar {
        display: none;
    }

    .jw-dev-code-panel {
        order: -1;
    }
}

/* ===== APP下载页 ===== */
.jw-app-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a3c8c 0%, #409EFF 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.jw-app-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.jw-app-content {
    text-align: center;
    color: white;
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.jw-app-content h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.jw-app-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.6;
}

.jw-app-phone {
    max-width: 300px;
    margin: 0 auto 40px;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.jw-app-downloads {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.jw-app-download-item {
    text-align: center;
}

.jw-app-download-item img {
    width: 140px;
    height: 140px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.jw-app-download-item span {
    display: block;
    color: white;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===== 文章内页 ===== */
.jw-article {
    max-width: 800px;
    margin: 0 auto;
    background: var(--jw-primary);
    border-radius: var(--jw-radius);
    padding: 40px;
    box-shadow: var(--jw-shadow);
}

.jw-article h1 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.jw-article .jw-article-meta {
    display: flex;
    gap: 16px;
    color: #909399;
    font-size: 0.8rem;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--jw-border);
}

.jw-article p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.jw-article img {
    border-radius: var(--jw-radius);
    margin: 20px 0;
}

@media (max-width: 768px) {
    .jw-article {
        padding: 20px;
    }
}