/* 优品天下 - 共享样式 */
html {
    overflow-x: hidden;
}

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

:root {
    --primary: #E63946;
    --primary-dark: #C1121F;
    --secondary: #1D3557;
    --accent: #F4A261;
    --gold: #FFD700;
    --success: #2ECC71;
    --warning: #F39C12;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --radius: 12px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    min-height: 100vh;
    max-width: 430px;
    margin: 0 auto;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    padding-top: env(safe-area-inset-top);
}

/* Header */
.page-header {
    background: linear-gradient(135deg, var(--secondary) 0%, #2C3E50 100%);
    color: #fff;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-header-back {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    color: #fff;
    font-size: 20px;
    text-decoration: none;
}

.page-header-title {
    font-size: 16px;
    font-weight: 600;
    flex: 1;
}

/* Main Content */
.main-content {
    padding: 16px;
    padding-bottom: 100px;
}

/* Cards */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 12px;
    overflow: hidden;
}

.card-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-body {
    padding: 16px;
}

/* User Card */
.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    border: 2px solid rgba(255,255,255,0.3);
}

.user-level {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold), #FFA500);
    color: #fff;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.stat-item {
    flex: 1;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius);
    padding: 12px 8px;
    text-align: center;
}

.stat-item .value {
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
}

.stat-item .label {
    font-size: 10px;
    opacity: 0.8;
    margin-top: 2px;
    white-space: nowrap;
}

/* Bottom Nav */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    background: #fff;
    display: flex;
    justify-content: space-around;
    padding: 8px 0 calc(20px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--gray-200);
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    color: var(--gray-500);
    font-size: 10px;
    padding: 4px 12px;
    text-decoration: none;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item svg {
    width: 22px;
    height: 22px;
}

/* Banner */
.banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius);
    padding: 16px;
    color: #fff;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
}

.banner::after {
    content: '';
    position: absolute;
    right: -20px;
    top: -20px;
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.banner h2 {
    font-size: 18px;
    margin-bottom: 4px;
}

.banner p {
    font-size: 12px;
    opacity: 0.9;
}

.banner-stats {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.banner-stat {
    text-align: center;
}

.banner-stat .num {
    font-size: 20px;
    font-weight: 700;
}

.banner-stat .txt {
    font-size: 10px;
    opacity: 0.8;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 16px;
}

.action-item {
    text-align: center;
    cursor: pointer;
}

.action-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 6px;
    font-size: 22px;
}

.action-item span {
    font-size: 11px;
    color: var(--gray-600);
}

/* List Item */
.list-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.list-item:last-child {
    border: none;
}

.list-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-right: 12px;
}

.list-content {
    flex: 1;
}

.list-title {
    font-size: 14px;
    font-weight: 500;
}

.list-desc {
    font-size: 11px;
    color: var(--gray-500);
}

.list-value {
    text-align: right;
}

.list-value .num {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.list-value .time {
    font-size: 10px;
    color: var(--gray-500);
}

/* Team Stats */
.team-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.team-stat {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 14px;
    text-align: center;
}

.team-stat .val {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.team-stat .lbl {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* Buttons */
.btn {
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    flex: 1;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

/* Settings */
.settings-group {
    margin-bottom: 16px;
}

.settings-group-title {
    font-size: 11px;
    color: var(--gray-500);
    padding: 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-item {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
    text-decoration: none;
    color: inherit;
}

.settings-item:last-child {
    border: none;
}

.settings-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-size: 18px;
}

.settings-content {
    flex: 1;
}

.settings-label {
    font-size: 14px;
    font-weight: 500;
}

.settings-desc {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 2px;
}

.settings-arrow {
    color: var(--gray-400);
    font-size: 14px;
}

/* Toggle Switch */
.toggle-switch {
    width: 44px;
    height: 24px;
    background: var(--gray-300);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}

.toggle-switch.active {
    background: var(--success);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-switch.active::after {
    transform: translateX(20px);
}

/* Toast */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
    max-width: 300px;
    text-align: center;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px) translateX(-50%); }
    to { opacity: 1; transform: translateY(0) translateX(-50%); }
}

/* Notification Item */
.notif-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    gap: 12px;
    position: relative;
}

.notif-item:last-child {
    border: none;
}

.notif-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.notif-content {
    flex: 1;
}

.notif-title {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
}

.notif-desc {
    font-size: 11px;
    color: var(--gray-500);
    line-height: 1.4;
}

.notif-time {
    font-size: 10px;
    color: var(--gray-400);
    margin-top: 4px;
}

.notif-item.unread {
    background: rgba(230,57,70,0.03);
    margin: 0 -16px;
    padding: 14px 16px;
}

.notif-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
}

/* Tabs */
.notif-tabs {
    display: flex;
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.notif-tab {
    flex: 1;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
}

.notif-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* Security */
.security-item {
    display: flex;
    align-items: center;
    padding: 16px;
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 8px;
}

.security-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 12px;
}

.security-info {
    flex: 1;
}

.security-label {
    font-size: 14px;
    font-weight: 500;
}

.security-status {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 2px;
}

.security-btn {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    border: none;
    font-weight: 500;
}

.security-btn-set {
    background: rgba(230,57,70,0.1);
    color: var(--primary);
}

.security-btn-change {
    background: rgba(46,204,113,0.1);
    color: var(--success);
}

/* Help */
.help-category {
    margin-bottom: 16px;
}

.help-category-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    padding: 8px 0;
    margin-bottom: 4px;
}

.help-item {
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 6px;
    overflow: hidden;
}

.help-question {
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

.help-question::after {
    content: '+';
    font-size: 18px;
    color: var(--gray-400);
    transition: transform 0.3s;
}

.help-item.open .help-question::after {
    transform: rotate(45deg);
}

.help-answer {
    padding: 0 16px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.6;
}

.help-item.open .help-answer {
    max-height: 200px;
    padding: 0 16px 14px;
}

/* About */
.about-logo {
    text-align: center;
    padding: 30px 0;
}

.about-logo-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto 12px;
}

.about-logo-name {
    font-size: 18px;
    font-weight: 700;
}

.about-logo-version {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.about-info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
}

.about-info-row:last-child {
    border: none;
}

.about-qr {
    text-align: center;
    padding: 20px 0;
}

.about-qr img {
    width: 120px;
    height: 120px;
    background: var(--gray-200);
    border-radius: 8px;
    margin-bottom: 8px;
}

.about-qr p {
    font-size: 12px;
    color: var(--gray-500);
}

/* Animation */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-text {
    font-size: 14px;
    color: var(--gray-500);
}

/* Profile Avatar */
.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 28px;
    margin: 0 auto 12px;
}