* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: "Microsoft YaHei",Arial,sans-serif;
    background: linear-gradient(135deg,#eef6ff,#fff7fb);
    color: #1f2937
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 28px;
    background: #1e3a8a;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 9
}

.brand {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    text-decoration: none
}

.topbar nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 18px
}

.container {
    max-width: 1160px;
    margin: 28px auto;
    padding: 0 16px
}

.footer {
    text-align: center;
    padding: 28px;
    color: #666
}

.card {
    background: rgba(255,255,255,.9);
    border: 1px solid #dbeafe;
    border-radius: 18px;
    padding: 22px;
    margin-bottom: 18px;
    box-shadow: 0 10px 30px rgba(30,58,138,.08)
}

h1, h2, h3 {
    margin-top: 0
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
    gap: 16px
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 14px 0
}

.btn, button, input[type=submit] {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    border: 0;
    border-radius: 10px;
    padding: 10px 16px;
    text-decoration: none;
    cursor: pointer;
    font-weight: 700
}

    .btn.secondary {
        background: #64748b
    }

    .btn.danger {
        background: #dc2626
    }

    .btn.good {
        background: #16a34a
    }

    .btn.gold {
        background: #b45309
    }

    .btn.diamond {
        background: #7c3aed
    }

input, select, textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    margin: 5px 0 12px;
    background: #fff
}

label {
    font-weight: 700
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff
}

    .table th, .table td {
        border: 1px solid #d1d5db;
        padding: 8px;
        text-align: left
    }

    .table th {
        background: #eff6ff
    }

.muted {
    color: #64748b
}

.notice {
    padding: 12px;
    border-radius: 12px;
    background: #ecfeff;
    border: 1px solid #67e8f9;
    margin: 12px 0
}

.error {
    padding: 12px;
    border-radius: 12px;
    background: #fee2e2;
    border: 1px solid #fca5a5;
    margin: 12px 0
}

.photo {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid #ddd
}

.smallphoto {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 10px
}

.badge {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    background: #e0e7ff;
    color: #3730a3;
    font-weight: 700
}

.steps li {
    margin: 8px 0
}

.hero {
    padding: 38px;
    border-radius: 22px;
    background: linear-gradient(135deg,#1e40af,#7c3aed);
    color: #fff
}

    .hero .btn {
        background: #fff;
        color: #1e3a8a
    }

.right {
    text-align: right
}

.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px
}

@media(max-width:760px) {
    .two {
        grid-template-columns: 1fr
    }

    .topbar {
        display: block
    }

        .topbar nav a {
            display: inline-block;
            margin: 8px 12px 0 0
        }
}

/* AIMate 首页、菜单、推荐会员页面样式，可追加到 wwwroot/css/site.css 末尾 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(255,255,255,.72);
    border-bottom: 1px solid rgba(148,163,184,.35);
}

.site-nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    font-weight: 800;
    font-size: 1.35rem;
    color: #0f172a;
    text-decoration: none;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

    .nav-links a,
    .nav-form button {
        border: 0;
        background: transparent;
        color: #0f172a;
        text-decoration: none;
        font-weight: 600;
        cursor: pointer;
        padding: 8px 10px;
        border-radius: 999px;
    }

        .nav-links a:hover,
        .nav-form button:hover {
            background: rgba(37,99,235,.10);
            color: #1d4ed8;
        }

.main-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 18px 60px;
}

.aimate-glass {
    border: 1px solid rgba(148,163,184,.35);
    border-radius: 22px;
    background: rgba(255,255,255,.72);
    box-shadow: 0 20px 60px rgba(15,23,42,.10);
    backdrop-filter: blur(18px);
    padding: 26px;
    margin-bottom: 22px;
}

.hero-public h1,
.hero-member h1 {
    font-size: clamp(2rem, 4vw, 3.6rem);
    margin: 0 0 18px;
    color: #0f172a;
}

.hero-image-wrap {
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid rgba(148,163,184,.35);
    margin: 18px 0;
}

.hero-main-image {
    width: 100%;
    min-height: 260px;
    max-height: 460px;
    object-fit: cover;
    display: block;
}

.hero-ad {
    font-size: 1.25rem;
    line-height: 1.75;
    color: #334155;
}

.hero-actions,
.member-dashboard-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.btn-main,
.btn-sub {
    display: inline-block;
    text-decoration: none;
    border-radius: 999px;
    padding: 11px 18px;
    font-weight: 800;
}

.btn-main {
    background: #2563eb;
    color: white;
}

.btn-sub {
    background: rgba(37,99,235,.10);
    color: #1d4ed8;
}

.aimate-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.aimate-card {
    border: 1px solid rgba(148,163,184,.35);
    border-radius: 18px;
    background: rgba(255,255,255,.78);
    padding: 18px;
    box-shadow: 0 12px 35px rgba(15,23,42,.08);
}

    .aimate-card h2 {
        margin: 0;
        font-size: 2rem;
        color: #1d4ed8;
    }

.member-list {
    display: grid;
    gap: 12px;
}

.member-row {
    display: grid;
    grid-template-columns: 76px 1fr;
    gap: 14px;
    align-items: center;
    padding: 12px;
    border-radius: 16px;
    background: rgba(248,250,252,.85);
}

.member-photo {
    width: 76px;
    height: 76px;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid rgba(148,163,184,.45);
}

.member-name {
    font-weight: 800;
    color: #1d4ed8;
    text-decoration: none;
}

.referral-box {
    display: grid;
    gap: 10px;
}

.referral-code {
    display: inline-block;
    font-size: 1.6rem;
    font-weight: 900;
    color: #1d4ed8;
    background: rgba(37,99,235,.10);
    border-radius: 14px;
    padding: 10px 14px;
    letter-spacing: .06em;
}

.form-control {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 10px 12px;
}

.notice.warning {
    border: 1px solid #facc15;
    background: #fef9c3;
    color: #713f12;
    padding: 12px 14px;
    border-radius: 14px;
}

.site-footer {
    text-align: center;
    color: #64748b;
    padding: 30px;
}

@media (max-width: 800px) {
    .site-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .aimate-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .aimate-grid {
        grid-template-columns: 1fr;
    }
}
.btn-blue {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff !important;
    font-weight: 700;
    text-decoration: none;
    border: none;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
    transition: all 0.2s ease-in-out;
}

    .btn-blue:hover {
        background: linear-gradient(135deg, #1d4ed8, #1e40af);
        color: #fff !important;
        transform: translateY(-1px);
    }
.member-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}