/**
 * 亮色现代化后台 — 参考 template/示例.html
 */

:root {
    --ui-primary: #2563eb;
    --ui-primary-soft: rgba(37, 99, 235, 0.1);
    --ui-bg: #f8fafc;
    --ui-card: #ffffff;
    --ui-text: #1e293b;
    --ui-text-2: #334155;
    --ui-muted: #64748b;
    --ui-border: #e2e8f0;
    --ui-border-light: #f1f5f9;
    --ui-danger: #ef4444;
    --ui-success: #10b981;
    --ui-sidebar-w: 256px;
    --ui-content-max: 1280px;
    --ui-shell-max: calc(var(--ui-sidebar-w) + var(--ui-content-max));
    --ui-radius: 4px;
    --ui-radius-lg: 6px;
    --ui-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
    --ui-font: Inter, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ========== 基础 ========== */
html {
    height: 100%;
}

body.ui-app {
    margin: 0;
    min-height: 100%;
    font-family: var(--ui-font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--ui-text);
    background: var(--ui-bg);
}

body.ui-app a {
    color: var(--ui-primary);
    text-decoration: none;
}

body.ui-app a:hover {
    opacity: 0.85;
}

body.ui-app #qmenu,
body.ui-app #scbar,
body.ui-app .viewui_nv,
body.ui-app .viewui_toptb,
body.ui-app .viewui_footer,
body.ui-app #viewui_myhover,
body.ui-app #ft {
    display: none !important;
}

body.ui-app .wp {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    float: none !important;
}

body.ui-app:not(.ui-app--auth) {
    height: 100%;
    overflow: hidden;
}

/* ========== 认证页（登录/注册/找回密码） ========== */
.ui-content--auth {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 48px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

body.ui-app .ui-content--auth #wp,
body.ui-app .ui-content--auth .wp {
    width: 100% !important;
    max-width: 420px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    float: none !important;
    box-sizing: border-box;
}

.ui-content--auth #ct,
.ui-content--auth .nfl,
.ui-content--auth .ui-auth-card {
    width: 100%;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    float: none;
}

.ui-auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    box-sizing: border-box;
}

.ui-auth-card {
    width: 100%;
    padding: 32px;
    background: var(--ui-card);
    border-radius: var(--ui-radius-lg);
    box-shadow: var(--ui-shadow);
    box-sizing: border-box;
}

.ui-auth-head {
    margin-bottom: 28px;
    text-align: center;
}

.ui-auth-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--ui-primary-soft);
    color: var(--ui-primary);
    font-size: 24px;
}

.ui-auth-head h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: var(--ui-text);
}

.ui-auth-head p {
    margin: 6px 0 0;
    font-size: 14px;
    color: var(--ui-muted);
}

.ui-auth-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    padding: 4px;
    background: var(--ui-bg);
    border-radius: var(--ui-radius);
}

.ui-auth-tab {
    flex: 1;
    padding: 8px;
    border: none;
    border-radius: 6px;
    background: transparent;
    font-size: 13px;
    color: var(--ui-muted);
    cursor: pointer;
}

.ui-auth-tab.is-on {
    background: var(--ui-card);
    color: var(--ui-primary);
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

a.ui-auth-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    box-sizing: border-box;
}

.ui-auth-alt {
    margin: 12px 0 0;
}

.ui-auth-foot {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--ui-muted);
}

.ui-auth-pane {
    display: none;
}

.ui-auth-pane.is-on {
    display: block;
}

/* ========== 表单 ========== */
.ui-form {
    margin: 0;
}

.ui-field {
    margin-bottom: 20px;
}

.ui-label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ui-text-2);
}

.ui-label .req {
    color: var(--ui-danger);
    margin-right: 2px;
}

.ui-input {
    display: block;
    width: 100%;
    height: 48px;
    margin: 0;
    padding: 0 16px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: var(--ui-card);
    font-size: 14px;
    color: var(--ui-text);
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.ui-input:focus {
    border-color: var(--ui-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.ui-static {
    padding: 12px 16px;
    background: var(--ui-bg);
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    font-weight: 500;
}

.ui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: none;
    border-radius: var(--ui-radius);
    background: var(--ui-primary);
    color: #fff !important;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.ui-btn:hover {
    background: #1d4ed8;
}

.ui-btn--block {
    display: flex;
    width: 100%;
}

.ui-btn--ghost {
    background: var(--ui-card);
    color: var(--ui-text-2) !important;
    border: 1px solid var(--ui-border);
}

.ui-btn--ghost:hover {
    border-color: var(--ui-primary);
    color: var(--ui-primary) !important;
    background: var(--ui-card);
}

.ui-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--ui-muted);
}

.ui-hint.xi1 {
    color: var(--ui-danger) !important;
}

.ui-field-status {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.6;
}

.ui-field-status-text {
    display: none;
}

.ui-field-status--success .ui-field-status-text {
    display: inline-block;
    color: var(--ui-success);
}

.ui-field-status--success .ui-field-status-text i {
    margin-right: 6px;
}

.ui-field-status--error .ui-field-status-text {
    display: inline-block;
    color: var(--ui-danger);
}

.ui-field-status--error .ui-field-status-text i {
    margin-right: 6px;
}

.ui-field-status--loading .ui-field-status-text {
    display: inline-block;
    color: var(--ui-muted);
}

.ui-field-status--loading .ui-field-status-text i {
    margin-right: 6px;
}

.ui-field .ui-input.er {
    border-color: var(--ui-danger) !important;
}

.ui-field .ui-input.valid {
    border-color: var(--ui-success) !important;
}

.ui-form-message {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: var(--ui-radius);
    font-size: 13px;
    line-height: 1.6;
    display: block;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.ui-form-message:empty {
    display: none;
}

.ui-error-msg {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--ui-radius);
    color: #dc2626;
    font-size: 13px;
    line-height: 1.5;
}

.ui-success-msg {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--ui-radius);
    color: #16a34a;
    font-size: 13px;
    line-height: 1.5;
}

.ui-captcha {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.ui-captcha input[name="seccodeverify"],
.ui-captcha .txt.px {
    width: 110px !important;
    height: 40px !important;
    margin: 0 !important;
    padding: 0 10px !important;
    box-sizing: border-box;
}

.ui-captcha .xi2 {
    font-size: 12px;
    color: var(--ui-muted) !important;
}

.ui-form span[id^="vseccode_"] {
    font-size: 0;
    line-height: 0;
}

.ui-form span[id^="vseccode_"] img {
    height: 40px;
    width: auto;
    cursor: pointer;
}

.ui-form span[id^="checkseccodeverify_"] {
    display: none !important;
}

/* ========== 后台布局 ========== */
.ui-shell {
    display: flex;
    width: 100%;
    max-width: var(--ui-shell-max);
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    margin: 0 auto;
    box-sizing: border-box;
    overflow: hidden;
}

.ui-sidebar {
    position: sticky;
    top: 0;
    align-self: flex-start;
    flex-shrink: 0;
    z-index: 100;
    width: var(--ui-sidebar-w);
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--ui-card);
    box-shadow: var(--ui-shadow);
}

.ui-sidebar-brand {
    padding: 20px;
    border-bottom: 1px solid var(--ui-border-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.ui-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    margin: 0;
    padding: 0;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    background: var(--ui-bg);
    color: var(--ui-text);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.ui-nav-toggle:hover {
    background: var(--ui-primary-soft);
    border-color: #93c5fd;
    color: var(--ui-primary);
}

.ui-sidebar-brand a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ui-text);
}

.ui-sidebar-brand img {
    max-height: 36px;
    width: auto;
}

.ui-sidebar-brand span {
    font-size: 16px;
    font-weight: 700;
}

.ui-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.ui-sidebar-nav #nv {
    float: none !important;
    width: auto !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    background: none !important;
}

.ui-sidebar-nav #nv ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ui-sidebar-nav #nv li {
    float: none !important;
    display: block;
    margin: 0 0 4px;
    padding: 0 !important;
    height: auto !important;
    background: none !important;
}

.ui-sidebar-nav #nv li a {
    display: flex !important;
    align-items: center;
    gap: 12px;
    float: none !important;
    width: auto !important;
    height: auto !important;
    padding: 10px 16px !important;
    border-radius: var(--ui-radius);
    color: var(--ui-text-2) !important;
    background: transparent !important;
    font-size: 14px;
    text-decoration: none !important;
}

.ui-sidebar-nav #nv li a:hover {
    background: var(--ui-bg) !important;
    color: var(--ui-text) !important;
}

body.ui-app .ui-sidebar-nav #nv li.a > a,
body.ui-app .ui-sidebar-nav #nv li.is-active > a {
    background: rgba(37, 99, 235, 0.08) !important;
    color: var(--ui-text) !important;
    font-weight: 500;
    text-decoration: none !important;
}

body.ui-app .ui-sidebar-nav #nv li.a > a:hover,
body.ui-app .ui-sidebar-nav #nv li.is-active > a:hover {
    background: var(--ui-bg) !important;
    color: var(--ui-text) !important;
}

.ui-sidebar-extra {
    list-style: none;
    margin: 8px 0 0;
    padding: 8px 0 0;
    border-top: 1px solid var(--ui-border-light);
}

.ui-sidebar-extra li {
    margin: 0 0 4px;
}

.ui-sidebar-extra a {
    display: flex !important;
    align-items: center;
    gap: 12px;
    padding: 10px 16px !important;
    border-radius: var(--ui-radius);
    color: var(--ui-text-2) !important;
    background: transparent !important;
    font-size: 14px;
    text-decoration: none !important;
}

.ui-sidebar-extra a i {
    width: 16px;
    text-align: center;
    color: var(--ui-muted);
}

.ui-sidebar-extra a:hover {
    background: var(--ui-bg) !important;
    color: var(--ui-text) !important;
    opacity: 1;
}

.ui-sidebar-panel {
    margin: 12px 0 0;
    padding: 12px 0 0;
    border-top: 1px solid var(--ui-border-light);
}

.ui-sidebar-panel__title {
    margin: 0 0 8px;
    padding: 0 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ui-muted);
}

.ui-sidebar-panel__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ui-sidebar-panel__list li {
    margin: 0 0 4px;
}

.ui-sidebar-panel__list a {
    display: flex !important;
    align-items: center;
    gap: 12px;
    padding: 10px 16px !important;
    border-radius: var(--ui-radius);
    color: var(--ui-text-2) !important;
    background: transparent !important;
    font-size: 14px;
    text-decoration: none !important;
}

.ui-sidebar-panel__list a i {
    width: 16px;
    text-align: center;
    color: var(--ui-muted);
}

.ui-sidebar-panel__list a:hover {
    background: var(--ui-bg) !important;
    color: var(--ui-text) !important;
    opacity: 1;
}

.ui-sidebar-member-nav {
    margin: 12px 0 0;
    padding: 12px 0 0;
    border-top: 1px solid var(--ui-border-light);
}

.ui-sidebar-member-nav__title {
    margin: 0 0 8px;
    padding: 0 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ui-muted);
}

.ui-sidebar-member-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ui-sidebar-member-nav__list li {
    margin: 0 0 4px;
}

.ui-sidebar-member-nav__list a {
    display: flex !important;
    align-items: center;
    gap: 12px;
    padding: 10px 16px !important;
    border-radius: var(--ui-radius);
    color: var(--ui-text-2) !important;
    background: transparent !important;
    font-size: 14px;
    text-decoration: none !important;
}

.ui-sidebar-member-nav__list a i {
    width: 16px;
    text-align: center;
    color: #d97706;
}

.ui-sidebar-member-nav__list a:hover {
    background: #fffbeb !important;
    color: var(--ui-text) !important;
    opacity: 1;
}

.ui-sidebar-foot {
    flex-shrink: 0;
    padding: 16px;
    border-top: 1px solid var(--ui-border-light);
    background: var(--ui-card);
}

.ui-sidebar-userbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.ui-sidebar-userbar__info {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ui-sidebar-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ui-sidebar-profile-trigger {
    position: relative;
    flex-shrink: 0;
}

.ui-sidebar-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #64748b;
    font-size: 14px;
    cursor: pointer;
}

.ui-sidebar-avatar i {
    line-height: 1;
}

.ui-sidebar-profile-trigger:hover .ui-sidebar-profile-menu,
.ui-sidebar-profile.is-open .ui-sidebar-profile-menu {
    display: block;
}

.ui-sidebar-profile-menu {
    display: none;
    position: absolute;
    left: 0;
    bottom: 100%;
    z-index: 200;
    width: 280px;
    max-width: calc(100vw - 32px);
    padding: 6px 0 8px;
    background: var(--ui-card);
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius);
    box-shadow: var(--ui-shadow);
}

.ui-sidebar-profile-menu::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 10px;
}

.ui-sidebar-profile-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--ui-text-2) !important;
    text-decoration: none !important;
    white-space: nowrap;
}

.ui-sidebar-profile-menu a:hover {
    background: var(--ui-bg);
    color: var(--ui-text) !important;
    opacity: 1;
}

.ui-sidebar-profile-menu a i {
    width: 14px;
    text-align: center;
    color: var(--ui-muted);
}

.ui-sidebar-orders {
    border-top: 1px solid var(--ui-border-light);
    margin-top: 4px;
    padding-top: 8px;
}

.ui-sidebar-orders__head {
    padding: 0 14px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ui-text);
}

.ui-sidebar-orders__list {
    margin: 0;
    padding: 0;
    list-style: none;
    max-height: 240px;
    overflow-y: auto;
}

.ui-sidebar-orders__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 14px;
    border-top: 1px solid var(--ui-border-light);
}

.ui-sidebar-orders__item:first-child {
    border-top: none;
}

.ui-sidebar-orders__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.ui-sidebar-orders__price {
    font-size: 13px;
    font-weight: 600;
    color: var(--ui-text);
}

.ui-sidebar-orders__time {
    font-size: 11px;
    color: var(--ui-muted);
}

.ui-sidebar-orders__apply {
    flex-shrink: 0;
    padding: 4px 10px !important;
    border: 1px solid #bfdbfe;
    border-radius: var(--ui-radius);
    background: rgba(37, 99, 235, 0.06);
    font-size: 12px !important;
    color: var(--ui-primary) !important;
    white-space: nowrap;
}

.ui-sidebar-orders__apply:hover {
    background: rgba(37, 99, 235, 0.12) !important;
}

.ui-sidebar-orders__status {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--ui-muted);
    white-space: nowrap;
}

.ui-sidebar-orders__empty {
    margin: 0;
    padding: 0 14px 6px;
    font-size: 12px;
    color: var(--ui-muted);
}

.ui-sidebar-profile-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.ui-sidebar-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--ui-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ui-sidebar-member-meta {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-top: 2px;
    min-width: 0;
}

.ui-sidebar-member-meta__group {
    font-size: 11px;
    font-weight: 500;
    color: var(--ui-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ui-sidebar-member-meta__expiry {
    font-size: 11px;
    color: var(--ui-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ui-sidebar-logout {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--ui-danger) !important;
    text-decoration: none !important;
    white-space: nowrap;
}

.ui-sidebar-logout:hover {
    color: #dc2626 !important;
    opacity: 1;
}

.ui-sidebar-logout i {
    margin-right: 2px;
}

.ui-main {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background: var(--ui-bg);
    overflow: hidden;
}

.ui-main > .ui-subnav,
.ui-main > #viewui_pop,
.ui-main > .ui-content,
.ui-main > .ui-footer {
    width: 100%;
    box-sizing: border-box;
}

.ui-subnav {
    flex-shrink: 0;
    padding: 0 24px;
    background: var(--ui-card);
    border-bottom: 1px solid var(--ui-border-light);
}

.ui-subnav #mu ul {
    display: flex !important;
    flex-wrap: wrap;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none;
}

.ui-subnav #mu ul li a {
    display: block;
    padding: 12px 14px;
    font-size: 13px;
    color: var(--ui-muted) !important;
    background: transparent !important;
}

.ui-subnav #mu ul li.a a,
.ui-subnav #mu ul.current li.a a,
.ui-subnav #mu ul li.is-active a {
    color: var(--ui-text) !important;
    font-weight: 500;
    border-bottom: 2px solid var(--ui-primary);
}

.ui-content {
    flex: 1 1 0;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 24px;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    overscroll-behavior-y: contain;
}

body.ui-app #wp,
body.ui-app #ct {
    min-height: 0;
    overflow: visible;
    height: auto;
}

.ui-page-head {
    margin-bottom: 24px;
}

.ui-page-head h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--ui-text);
}

.ui-page-head p {
    margin: 4px 0 0;
    font-size: 14px;
    color: var(--ui-muted);
}

.ui-card {
    background: var(--ui-card);
    border-radius: var(--ui-radius-lg);
    box-shadow: var(--ui-shadow);
    padding: 24px;
}

.ui-card--narrow {
    max-width: 420px;
    margin: 0 auto;
}

.ui-card-title {
    margin: 0 0 20px;
    font-size: 18px;
    font-weight: 600;
}

.ui-footer {
    flex-shrink: 0;
    padding: 12px 24px;
    text-align: center;
    font-size: 12px;
    color: var(--ui-muted);
    border-top: 1px solid var(--ui-border-light);
    background: var(--ui-card);
}

.ui-footer p {
    margin: 0;
}

/* ========== Discuz 覆盖 ========== */
body.ui-app #hd.ui-sidebar {
    position: sticky !important;
    top: 0 !important;
    left: auto !important;
    float: none !important;
    width: var(--ui-sidebar-w) !important;
    height: 100vh !important;
    background: var(--ui-card) !important;
    border: none !important;
}

body.ui-app #nv,
body.ui-app .ui-sidebar-nav #nv li,
body.ui-app .ui-sidebar-nav #nv li.a,
body.ui-app .ui-sidebar-nav #nv li.is-active {
    background: transparent !important;
}

body.ui-app a[onclick*="setHomepage"],
body.ui-app a[onclick*="addFavorite"] {
    display: none !important;
}

body.ui-app .bm,
body.ui-app .bmw,
body.ui-app .fl {
    background: var(--ui-card) !important;
    border-color: var(--ui-border) !important;
}

body.ui-app .px,
body.ui-app .pt {
    border-color: var(--ui-border) !important;
}

body.ui-app .pn.pnc {
    background: var(--ui-primary) !important;
    border-color: var(--ui-primary) !important;
}

#append_parent .fwin td.t_l,
#append_parent .fwin td.t_r,
#append_parent .fwin td.t_c,
#append_parent .fwin td.b_l,
#append_parent .fwin td.b_r,
#append_parent .fwin td.b_c,
#append_parent .fwin td.m_l,
#append_parent .fwin td.m_r {
    display: none;
}

#append_parent .fwin .m_c {
    padding: 20px !important;
    background: #fff;
    border-radius: var(--ui-radius-lg);
    box-shadow: var(--ui-shadow);
}

#append_parent .fwin .flb {
    display: none;
}

/* ========== 移动端 ========== */
@media (max-width: 768px) {
    .ui-shell {
        flex-direction: column;
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
    }

    .ui-nav-toggle {
        display: inline-flex;
    }

    body.ui-app #hd.ui-sidebar {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 100% !important;
        height: auto !important;
        flex-shrink: 0;
        box-shadow: none;
        border-bottom: 1px solid var(--ui-border-light);
    }

    .ui-sidebar {
        position: relative;
        top: auto;
        align-self: stretch;
        width: 100%;
        height: auto !important;
        max-height: none;
    }

    .ui-sidebar-brand {
        padding: 12px 16px;
    }

    .ui-sidebar-brand img {
        max-height: 30px;
    }

    .ui-sidebar-nav,
    .ui-sidebar-foot {
        display: none;
    }

    .ui-shell.is-nav-open .ui-sidebar-nav,
    .ui-shell.is-nav-open .ui-sidebar-foot {
        display: block;
    }

    .ui-sidebar-nav {
        max-height: 50vh;
        padding: 8px 12px 12px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-bottom: 1px solid var(--ui-border-light);
    }

    .ui-sidebar-nav #nv li a {
        padding: 10px 12px !important;
        font-size: 13px;
    }

    .ui-sidebar-foot {
        padding: 12px;
    }

    .ui-main {
        flex: 1 1 0;
        min-height: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .ui-subnav {
        padding: 0 12px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .ui-subnav #mu ul {
        flex-wrap: nowrap;
    }

    .ui-content {
        flex: 1 1 0;
        min-height: 0;
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .ui-content--auth {
        padding-top: 24px;
    }

    .ui-page-head h2 {
        font-size: 18px;
    }

    .ui-card {
        padding: 16px;
    }

    .ui-footer {
        padding: 10px 16px;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }
}

/* ========== 认证页消息提示 ========== */
.ui-error-msg {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--ui-radius);
    color: #dc2626;
    font-size: 13px;
    line-height: 1.5;
}

.ui-error-msg a {
    color: #dc2626;
    text-decoration: underline;
}

.ui-success-msg {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--ui-radius);
    color: #16a34a;
    font-size: 13px;
    line-height: 1.5;
}

.ui-success-msg a {
    color: #16a34a;
    text-decoration: underline;
}

.ui-field-status {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.4;
}

.ui-field-status--loading {
    color: var(--ui-muted);
}

.ui-field-status--success {
    color: #10b981;
}

.ui-field-status--error {
    color: #ef4444;
}

.ui-field-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 20px;
}

.ui-field-checkbox input[type="checkbox"] {
    flex-shrink: 0;
    margin-top: 1px;
    width: 16px;
    height: 16px;
    accent-color: var(--ui-primary);
}

.ui-field-checkbox label {
    font-size: 13px;
    color: var(--ui-text-2);
    line-height: 1.5;
}

.ui-field-checkbox label .ui-link {
    color: var(--ui-primary);
    text-decoration: none;
}

.ui-field-checkbox label .ui-link:hover {
    text-decoration: underline;
}

.ui-btn-text,
.ui-btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ui-btn-loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ui-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}