body {
    margin: 0;
    font-family: Arial, "Microsoft YaHei", sans-serif;
    background: #f5f7fb;
    color: #222;
}

a {
    color: #1f5fd1;
    text-decoration: none;
}

.layout-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
    background: #f5f7fb;
}

/* =========================
   左侧导航区
   ========================= */
.sidebar {
    width: 286px;
    min-width: 286px;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    overflow-x: hidden;
    background: linear-gradient(180deg, #f8fbff 0%, #eef4ff 55%, #e9f1ff 100%);
    color: #1f2d3d;
    padding: 18px 14px 16px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #d8e4f2;
}

.brand {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 22px;
    line-height: 1.1;
}

.brand a {
    color: #15396b;
}

.brand-sub {
    font-size: 12px;
    color: #5b6f88;
    margin-top: 4px;
    line-height: 1.3;
}

.nav-group {
    margin-bottom: 8px;
}

.nav-group-title {
    font-weight: bold;
    margin-bottom: 4px;
    line-height: 1.2;
    font-size: 14px;
}

.nav-group-title a,
.nav-group ul a {
    color: #1f2d3d;
}

.nav-group ul {
    margin: 0;
    padding-left: 28px;
}

.nav-group li {
    margin-bottom: 1px;
    line-height: 1.16;
    padding-left: 2px;
}

.nav-group ul a {
    font-size: 14px;
    line-height: 1.16;
    display: inline-block;
    vertical-align: top;
    white-space: nowrap;
}

/* =========================
   左侧导航当前功能高亮
   ========================= */
.nav-group li.nav-item {
    position: relative;
    border-radius: 8px;
    transition: background-color 0.16s ease, color 0.16s ease;
}

.nav-group li.nav-item:hover {
    background: rgba(32, 180, 134, 0.06);
}

.nav-group li.nav-item-active {
    background: rgba(32, 180, 134, 0.12);
}

.nav-group ul a.nav-link {
    padding: 3px 8px;
    border-radius: 8px;
}

.nav-group ul a.nav-link-active {
    color: #18a879;
    font-weight: 700;
}

.nav-group ul a.nav-link-active:hover {
    color: #14966f;
}

.nav-group-title-active a {
    color: #15396b;
}

/* =========================
   左下用户区域
   直接复用左侧背景，不再使用白底框
   ========================= */
.sidebar-user {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid rgba(31, 45, 61, 0.12);
    box-sizing: border-box;
}

.sidebar-user,
.sidebar-user * {
    color: #111111 !important;
}

.sidebar-user-content {
    min-height: 116px;
    padding: 6px 2px 2px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.sidebar-user-content-guest {
    min-height: 88px;
    justify-content: center;
    align-items: flex-start;
}

.sidebar-user-id-link {
    display: block;
    color: #111111 !important;
    text-decoration: none;
}

.sidebar-user-id-row {
    font-size: 14px;
    line-height: 1.6;
    font-weight: 500;
    word-break: break-word;
}

.sidebar-user-vip-expire {
    margin-top: 4px;
    font-size: 14px;
    line-height: 1.6;
}

.sidebar-user-upgrade-line {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.6;
}

.sidebar-user-logout-line {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.6;
}

.sidebar-user-upgrade-link,
.sidebar-user-logout-link {
    font-size: 14px;
    line-height: 1.6;
    color: #111111 !important;
    text-decoration: none;
}

.sidebar-login-trigger {
    display: inline-block;
    width: auto;
    min-height: 0;
    padding: 0;
    border: 0;
    background: transparent;
    border-radius: 0;
    font-size: 18px;
    line-height: 1.5;
    font-weight: 700;
    color: #111111 !important;
    cursor: pointer;
    box-sizing: border-box;
    text-align: left;
}

.sidebar-login-trigger:hover {
    background: transparent;
    color: #15396b !important;
    text-decoration: underline;
}

/* 如果模板里还残留说明文字，直接隐藏 */
.sidebar-user-guest-text {
    display: none !important;
}

/* =========================
   右侧主内容区
   ========================= */
.main-content {
    flex: 1;
    min-width: 0;
    padding: 24px 28px 28px;
    box-sizing: border-box;
    position: relative;
}

/* 简单页通用容器 */
.simple-page {
    max-width: 960px;
    margin: 48px auto;
    padding: 0 16px;
    box-sizing: border-box;
}

.footer-bar {
    margin-top: 24px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* =========================
   常见通用块
   ========================= */
.page-card {
    background: #ffffff;
    border: 1px solid #dbe5f2;
    border-radius: 12px;
    box-sizing: border-box;
}

.page-section {
    margin-bottom: 24px;
}

/* =========================
   滚动条细化
   ========================= */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(31, 45, 61, 0.18);
    border-radius: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

/* =========================
   响应式
   ========================= */
@media (max-width: 1200px) {
    .sidebar {
        width: 250px;
        min-width: 250px;
        padding: 16px 12px 14px;
    }

    .main-content {
        padding: 22px 22px 24px;
    }

    .nav-group-title {
        font-size: 13px;
    }

    .nav-group ul {
        padding-left: 24px;
    }

    .nav-group ul a {
        font-size: 13px;
    }

    .sidebar-user-content {
        min-height: 108px;
    }

    .sidebar-login-trigger {
        font-size: 17px;
    }
}

@media (max-width: 900px) {
    .layout-shell {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-width: 0;
        height: auto;
        position: relative;
        top: auto;
        overflow: visible;
        padding: 18px 16px;
    }

    .main-content {
        padding: 18px 16px 22px;
    }

    .simple-page {
        margin: 28px auto;
        padding: 0 10px;
    }

    .sidebar-user {
        margin-top: 18px;
    }

    .sidebar-user-content {
        min-height: auto;
    }

    .nav-group ul a {
        white-space: normal;
    }
}
/* =========================
   试运营优化：登录入口与左下用户区域（2026-07-04 fix5）
   ========================= */
:root {
    --pyg-login-blue: #4f6f85;
    --pyg-login-blue-hover: #3f5f75;
    --pyg-nav-hover-bg: rgba(32, 180, 134, 0.06);
    --pyg-nav-active-bg: rgba(32, 180, 134, 0.12);
}

/* 页面右上角未登录入口：只在未登录模板渲染，登录成功后由 login.js 立即隐藏 */
.top-login-entry {
    position: fixed;
    top: 24px;
    right: 28px;
    z-index: 80;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 36px;
    padding: 6px 12px 6px 10px;
    border: 1px solid rgba(79, 111, 133, 0.28);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--pyg-login-blue) !important;
    box-shadow: 0 8px 18px rgba(31, 45, 61, 0.08);
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    font-weight: 700;
    font-family: inherit;
    box-sizing: border-box;
    overflow: hidden;
    transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.top-login-entry:hover {
    background: var(--pyg-nav-hover-bg);
    color: var(--pyg-login-blue-hover) !important;
    border-color: rgba(79, 111, 133, 0.42);
    box-shadow: 0 10px 22px rgba(31, 45, 61, 0.12);
}

.top-login-entry:focus-visible {
    outline: 2px solid rgba(79, 111, 133, 0.30);
    outline-offset: 3px;
}

.top-login-entry-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: inherit !important;
}

.top-login-entry-icon svg {
    width: 18px;
    height: 18px;
    display: block;
    fill: currentColor;
    flex: 0 0 auto;
}

.top-login-entry-text {
    color: inherit !important;
    white-space: nowrap;
}

/* 未登录左下角“登录/注册”强化：雾霾蓝、加粗、下划线 */
.sidebar-user .sidebar-login-trigger {
    font-size: 19px;
    line-height: 1.45;
    font-weight: 800;
    color: var(--pyg-login-blue) !important;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1.5px;
    padding: 4px 8px;
    margin-left: -8px;
    border-radius: 8px;
    transition: background-color 0.16s ease, color 0.16s ease;
}

.sidebar-user .sidebar-login-trigger:hover {
    background: var(--pyg-nav-hover-bg);
    color: var(--pyg-login-blue-hover) !important;
    text-decoration: underline;
}

.sidebar-user .sidebar-login-trigger:focus-visible {
    outline: 2px solid rgba(79, 111, 133, 0.30);
    outline-offset: 2px;
}

/* 登录后左下角用户信息：默认三行/普通信息降一号、不加粗，避免过于抢眼 */
.sidebar-user .sidebar-user-content {
    font-size: 14px;
    font-weight: 400;
}

.sidebar-user .sidebar-user-id-row,
.sidebar-user .sidebar-user-vip-expire,
.sidebar-user .sidebar-user-logout-line,
.sidebar-user .sidebar-user-logout-link {
    font-size: 14px;
    line-height: 1.6;
    font-weight: 400;
    color: #111111 !important;
}

/* 第三行/升级入口保留现有字号和粗体，并改为雾霾蓝 */
.sidebar-user .sidebar-user-upgrade-line,
.sidebar-user .sidebar-user-upgrade-link {
    font-size: 15px;
    line-height: 1.6;
    font-weight: 700;
    color: var(--pyg-login-blue) !important;
}

.sidebar-user .sidebar-user-upgrade-link * {
    color: var(--pyg-login-blue) !important;
}

/* 用户ID行仍可点击，但颜色恢复黑色；升级入口使用雾霾蓝 */
.sidebar-user .sidebar-user-id-link,
.sidebar-user .sidebar-user-id-link * {
    color: #111111 !important;
}

.sidebar-user .sidebar-user-upgrade-link,
.sidebar-user .sidebar-user-upgrade-link * {
    color: var(--pyg-login-blue) !important;
}

/* 可点击项保留左侧导航式 hover 背景 */
.sidebar-user .sidebar-user-id-link,
.sidebar-user .sidebar-user-upgrade-link {
    display: block;
    width: calc(100% + 8px);
    box-sizing: border-box;
    padding: 4px 8px;
    margin-left: -8px;
    border-radius: 8px;
    text-align: left;
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.16s ease, color 0.16s ease;
}

.sidebar-user .sidebar-user-id-link:hover {
    background: var(--pyg-nav-hover-bg);
    color: #111111 !important;
    text-decoration: none;
}

.sidebar-user .sidebar-user-id-link:hover * {
    color: #111111 !important;
}

.sidebar-user .sidebar-user-upgrade-link:hover {
    background: var(--pyg-nav-hover-bg);
    color: var(--pyg-login-blue-hover) !important;
    text-decoration: none;
}

.sidebar-user .sidebar-user-upgrade-link:hover * {
    color: var(--pyg-login-blue-hover) !important;
}

.sidebar-user .sidebar-user-id-link:focus-visible,
.sidebar-user .sidebar-user-upgrade-link:focus-visible {
    outline: 2px solid rgba(79, 111, 133, 0.30);
    outline-offset: 2px;
}

.sidebar-user .sidebar-user-upgrade-line,
.sidebar-user .sidebar-user-logout-line {
    margin-top: 8px;
}

/* =========================
   试运营优化：左上 Logo 与左侧导航清晰度（2026-07-04 logo_nav_fix3）
   ========================= */
/* 顶部品牌区：logo 图标 + 站点名称文字横向排列，副标题跟随文字列显示 */
.sidebar .brand {
    margin-bottom: 22px;
    line-height: 1.1;
}

.sidebar .brand .brand-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #2563eb;
    text-decoration: none;
    max-width: 100%;
}

.sidebar .brand .brand-link:hover {
    color: #1d4ed8;
    text-decoration: none;
}

.sidebar .brand .brand-logo-wrap {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 8px;
}

.sidebar .brand .brand-logo-img {
    width: 48px;
    height: 48px;
    display: block;
    object-fit: contain;
}

.sidebar .brand .brand-text-stack {
    display: inline-flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
}

.sidebar .brand .brand-name {
    display: block;
    color: inherit;
    font-size: 28px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.sidebar .brand .brand-sub {
    display: block;
    margin-top: 0;
    color: #5b6f88;
    font-size: 12px;
    line-height: 1.25;
    font-weight: 400;
    white-space: nowrap;
}

/* 左侧导航增强：大类、小类统一加大一号，但行高和间距恢复到原来的紧凑节奏 */
.sidebar .sidebar-nav .nav-group-title {
    font-size: 15px;
    line-height: 1.2;
    margin-bottom: 4px;
}

.sidebar .sidebar-nav .nav-group ul a {
    font-size: 15px;
    line-height: 1.16;
}

.sidebar .sidebar-nav .nav-group li {
    line-height: 1.16;
    margin-bottom: 1px;
}

.sidebar .sidebar-nav .nav-group ul a.nav-link {
    padding: 3px 8px;
}

/* 左侧导航 hover 进一步加深：提高鼠标悬停识别度 */
body .sidebar .sidebar-nav .nav-group li.nav-item:hover {
    background: rgba(15, 118, 110, 0.22);
}

body .sidebar .sidebar-nav .nav-group li.nav-item-active {
    background: rgba(15, 118, 110, 0.24);
}

@media (max-width: 1200px) {
    .sidebar .brand .brand-logo-wrap,
    .sidebar .brand .brand-logo-img {
        width: 44px;
        height: 44px;
        flex-basis: 44px;
    }

    .sidebar .brand .brand-name {
        font-size: 26px;
    }

    .sidebar .brand .brand-sub {
        font-size: 12px;
    }

    .sidebar .sidebar-nav .nav-group-title,
    .sidebar .sidebar-nav .nav-group ul a {
        font-size: 14px;
        line-height: 1.16;
    }

    .sidebar .sidebar-nav .nav-group li {
        line-height: 1.16;
    }
}

@media (max-width: 900px) {
    .sidebar .brand .brand-logo-wrap,
    .sidebar .brand .brand-logo-img {
        width: 48px;
        height: 48px;
        flex-basis: 48px;
    }

    .sidebar .brand .brand-name {
        font-size: 28px;
    }

    .sidebar .sidebar-nav .nav-group-title,
    .sidebar .sidebar-nav .nav-group ul a {
        font-size: 15px;
        line-height: 1.16;
    }
}