* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f5f6f8;
    color: #1f2a44;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    background: #ffffff;
    border-bottom: 1px solid #e8eaf0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.back-link {
    color: #4b5c7a;
    text-decoration: none;
    font-weight: 600;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: #1f2a44;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid #e0e3ea;
}

.topbar-name {
    font-size: 14px;
    font-weight: 600;
    color: #1f2a44;
}

.content {
    padding: 28px 32px 48px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.card {
    background: #ffffff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(31, 42, 68, 0.08);
    border: 1px solid #eef0f4;
}

.hero {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    align-items: center;
}

.hero-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-avatar img {
    width: 140px;
    height: 140px;
    border-radius: 24px;
    object-fit: cover;
    border: 1px solid #e4e7ee;
    background: #f1f3f7;
}

.avatar-upload {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 10px;
    background: #2f6bff;
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.avatar-upload input {
    display: none;
}

.avatar-hint {
    font-size: 12px;
    color: #6b7a99;
    text-align: center;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
}

.role-tag {
    background: #eef3ff;
    color: #2f6bff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
}

.hero-subtitle {
    font-size: 14px;
    color: #6b7a99;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.meta-item {
    background: #f7f8fb;
    border-radius: 12px;
    padding: 14px;
}

.meta-label {
    font-size: 12px;
    color: #7c8aa5;
    margin-bottom: 6px;
}

.meta-value {
    font-size: 14px;
    font-weight: 600;
    color: #1f2a44;
    word-break: break-all;
}

.form-card {
    padding: 26px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-title {
    font-size: 16px;
    font-weight: 700;
    color: #1f2a44;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: #4b5c7a;
}

.form-input {
    border: 1px solid #dfe3ec;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 14px;
    outline: none;
    transition: border 0.2s ease;
}

.form-input:focus {
    border-color: #2f6bff;
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 10px;
}

.primary-btn {
    padding: 10px 20px;
    border-radius: 10px;
    border: none;
    background: #2f6bff;
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
}

.form-message {
    font-size: 13px;
    color: #1f2a44;
}

.form-message.success {
    color: #14804a;
}

.form-message.error {
    color: #c0342b;
}

@media (max-width: 820px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .topbar {
        padding: 16px 18px;
    }

    .content {
        padding: 20px 18px 36px;
    }
}