:root {
    --bg: #f3f6fb;
    --card: #fff;
    --text: #1e293b;
    --muted: #64748b;
    --label: #475569;
    --primary: #1677ff;
    --primary-hover: #4096ff;
    --border: #e2e8f0;
    --danger: #dc2626;
    --ok: #16a34a;
    --ok-bg: #dcfce7;
    --err-bg: #fee2e2;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body.portal-body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background:
        radial-gradient(ellipse 70% 45% at 15% -5%, #dbeafe 0%, transparent 55%),
        radial-gradient(ellipse 50% 35% at 90% 0%, #e0f2fe 0%, transparent 50%),
        var(--bg);
    display: flex;
    flex-direction: column;
}

.portal-topbar {
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.portal-topbar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 650;
    min-width: 0;
    color: var(--text);
    text-decoration: none;
}

.portal-topbar .brand img {
    height: 28px;
    max-width: 120px;
    object-fit: contain;
    display: none;
}

.portal-topbar .brand span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.portal-topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px 14px;
    flex-shrink: 0;
}

.portal-topbar-actions a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.portal-topbar-actions a:hover { color: var(--primary-hover); }

.portal-page {
    flex: 1;
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 28px 20px 40px;
}

.portal-page--narrow { max-width: 560px; }

.portal-hero {
    margin-bottom: 22px;
}

.portal-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--primary);
    background: #e6f4ff;
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
    font-weight: 600;
}

.portal-hero h1 {
    margin: 0 0 8px;
    font-size: 1.45rem;
    font-weight: 650;
    letter-spacing: 0.02em;
}

.portal-hero .sub {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.portal-panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px 24px;
    box-shadow: var(--shadow);
}

.portal-form-group { margin-bottom: 16px; }

.portal-form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--label);
    margin-bottom: 8px;
}

.portal-form-group input[type="text"],
.portal-form-group input[type="tel"],
.portal-form-group input[type="password"],
.portal-form-group input[type="date"],
.portal-form-group input[type="number"],
.portal-form-group input[type="file"],
.portal-form-group select,
.portal-form-group textarea {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}

.portal-form-group textarea {
    height: auto;
    min-height: 88px;
    padding: 10px 12px;
    resize: vertical;
}

.portal-form-group input:focus,
.portal-form-group select:focus,
.portal-form-group textarea:focus {
    border-color: #91caff;
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.12);
}

.portal-captcha-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.portal-captcha-row input { flex: 1; }

.portal-captcha-img {
    height: 40px;
    width: 160px;
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    background: #f8fafc;
    object-fit: contain;
    object-position: center;
    flex-shrink: 0;
}

.portal-btn {
    appearance: none;
    border: none;
    border-radius: 10px;
    height: 44px;
    padding: 0 18px;
    font-size: 0.95rem;
    font-weight: 650;
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}

.portal-btn-primary {
    background: var(--primary);
    color: #fff;
    width: 100%;
}

.portal-btn-primary:hover { background: var(--primary-hover); }

.portal-btn-secondary {
    background: #fff;
    color: var(--primary);
    border: 1px solid #91caff;
}

.portal-btn-secondary:hover {
    background: #e6f4ff;
}

.portal-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.portal-alert {
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: 16px;
    display: none;
}

.portal-alert.show { display: block; }

.portal-alert-ok {
    background: var(--ok-bg);
    color: var(--ok);
    border: 1px solid #bbf7d0;
}

.portal-alert-err {
    background: var(--err-bg);
    color: var(--danger);
    border: 1px solid #fecaca;
}

.portal-hint {
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-top: 6px;
}

.portal-footer {
    padding: 20px 16px 28px;
    text-align: center;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.8;
}

.portal-footer a {
    color: var(--muted);
    text-decoration: none;
}

.portal-footer a:hover { color: var(--primary); }

.portal-beian {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    justify-content: center;
}

.portal-entry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 640px) {
    .portal-entry-grid { grid-template-columns: 1fr; }
    .portal-page { padding: 20px 16px 32px; }
    .portal-topbar { padding: 10px 14px; }
}

.portal-entry {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 18px;
    box-shadow: var(--shadow);
    transition: border-color .15s, box-shadow .15s, transform .15s;
}

.portal-entry:hover {
    border-color: #91caff;
    box-shadow: 0 14px 36px rgba(22, 119, 255, 0.12);
    transform: translateY(-2px);
}

.portal-entry h2 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    font-weight: 650;
}

.portal-entry p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.portal-entry .go {
    margin-top: 14px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.portal-result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

@media (max-width: 640px) {
    .portal-result-grid { grid-template-columns: 1fr; }
}

.portal-kv {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
}

.portal-kv .k {
    font-size: 0.78rem;
    color: var(--muted);
    margin-bottom: 4px;
}

.portal-kv .v {
    font-size: 1rem;
    font-weight: 650;
}

.portal-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.portal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.portal-table th,
.portal-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

.portal-table th {
    background: #f8fafc;
    color: var(--muted);
    font-weight: 600;
}

.portal-table tr:last-child td { border-bottom: none; }

.portal-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.portal-step {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 0.92rem;
}

.portal-step .n {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: #94a3b8;
    font-weight: 600;
    font-size: 0.85rem;
}

.portal-step.active { color: var(--primary); font-weight: 600; }
.portal-step.active .n,
.portal-step.done .n {
    background: var(--primary);
    color: #fff;
}

.portal-step-line {
    width: 48px;
    height: 1px;
    background: var(--border);
}