:root {
    --bg-dark: #050507;
    --bg-light: #12121a;
    --accent: #5a5aff;
    --silver: #cfcfd6;
    --silver-soft: rgba(207, 207, 214, 0.78);
    --outline: rgba(207, 207, 214, 0.28);
    --card-bg: rgba(15, 15, 21, 0.88);
    --hover-bg: rgba(35, 35, 56, 0.9);
    --transition-speed: 0.3s;
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --max-width: 1120px;
    --primary-color: #5a5aff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Noto Sans TC", "Segoe UI", sans-serif;
}

body {
    background: radial-gradient(circle at top, #1e1e2a 0%, var(--bg-dark) 40%);
    color: var(--silver);
    overflow-x: hidden;
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100%' height='100%' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='grid' width='32' height='32' patternUnits='userSpaceOnUse'%3E%3Cpath d='M32 0 L0 0 0 32' fill='none' stroke='rgba(192,192,192,0.08)' stroke-width='1'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100%' height='100%' fill='url(%23grid)'/%3E%3C/svg%3E") repeat;
    opacity: 0.4;
    z-index: -2;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(5, 5, 10, 0.85);
    border-bottom: 1px solid var(--outline);
}

nav {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--silver);
}

.brand-logo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.28));
    border: 1px solid rgba(207, 207, 214, 0.35);
    flex-shrink: 0;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    line-height: 1.2;
}

.brand-title {
    font-size: 1.08rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 600;
}

.brand-subtitle {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(207, 207, 214, 0.65);
}

.nav-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.nav-links a {
    position: relative;
    color: var(--silver-soft);
    text-decoration: none;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-speed), color var(--transition-speed);
    font-size: 0.95rem;
    letter-spacing: 0.03em;
}

.nav-links a::after {
    content: "";
    position: absolute;
    inset: auto 16px -6px 16px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.nav-links a:hover {
    background: rgba(90, 90, 255, 0.12);
    color: #ffffff;
}

.nav-links a:hover::after {
    opacity: 1;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 24px 120px;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    align-items: center;
    margin-bottom: 80px;
}

.hero.slim {
    margin-bottom: 48px;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(207, 207, 214, 0.68);
}

.hero h1 {
    font-size: clamp(2.3rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.2;
    color: #f0f0f5;
}

.hero p {
    font-size: 1.05rem;
    color: rgba(207, 207, 214, 0.82);
    max-width: 520px;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 0;
}

.hero-stat {
    flex: 1 1 140px;
    max-width: 220px;
    padding: 18px 22px;
    border-radius: var(--radius-md);
    border: 1px solid var(--outline);
    background: rgba(15, 15, 21, 0.72);
}

.hero-stat dt {
    margin: 0 0 8px;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(207, 207, 214, 0.68);
}

.hero-stat dd {
    margin: 0;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    line-height: 1.1;
    color: #f0f0f5;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition: transform var(--transition-speed), background var(--transition-speed);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #2a2a5f);
    color: #ffffff;
    box-shadow: 0 12px 32px rgba(90, 90, 255, 0.32);
}

.btn-outline {
    border: 1px solid var(--outline);
    color: var(--silver);
    background: rgba(10, 10, 16, 0.6);
}

.btn:hover {
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    background: linear-gradient(160deg, rgba(90, 90, 255, 0.1), rgba(18, 18, 32, 0.9));
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--outline);
    overflow: hidden;
    min-height: 340px;
}

.hero-visual::before,
.hero-visual::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(90, 90, 255, 0.28), transparent 70%);
    filter: blur(0.6px);
}

.hero-visual::before {
    width: 420px;
    height: 420px;
    top: -120px;
    right: -140px;
}

.hero-visual::after {
    width: 280px;
    height: 280px;
    bottom: -90px;
    left: -100px;
}

.data-grid {
    display: grid;
    gap: 18px;
    position: relative;
    z-index: 1;
}

.data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    border-radius: var(--radius-md);
    background: rgba(18, 18, 36, 0.7);
    border: 1px solid rgba(90, 90, 255, 0.18);
    color: #f7f7fb;
}

.data-label {
    letter-spacing: 0.06em;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: rgba(207, 207, 214, 0.6);
}

.data-value {
    font-size: 1.3rem;
    font-weight: 600;
}

section {
    margin-bottom: 96px;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: #f0f0f5;
}

.section-header p {
    color: rgba(207, 207, 214, 0.78);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.filter-btn {
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--outline);
    background: rgba(12, 12, 20, 0.72);
    color: var(--silver-soft);
    cursor: pointer;
    font-size: 0.88rem;
    letter-spacing: 0.06em;
    transition: background var(--transition-speed), color var(--transition-speed);
}

.filter-btn.is-active {
    background: rgba(90, 90, 255, 0.2);
    border-color: rgba(90, 90, 255, 0.4);
    color: #ffffff;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    position: relative;
    border-radius: var(--radius-md);
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--outline);
    overflow: hidden;
    transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.card[data-category="pinned"] {
    border: 2px solid #eab308;
    box-shadow: 0 0 0 1px rgba(234, 179, 8, 0.35), 0 8px 28px rgba(0, 0, 0, 0.35);
}

.card[data-category="pinned"]:hover {
    border-color: #facc15;
    box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.45), 0 16px 36px rgba(8, 8, 16, 0.6);
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(90, 90, 255, 0.2), rgba(18, 18, 28, 0.1));
    opacity: 0;
    transition: opacity var(--transition-speed);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(90, 90, 255, 0.4);
    box-shadow: 0 16px 36px rgba(8, 8, 16, 0.6);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.chip {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(90, 90, 255, 0.18);
    color: rgba(205, 205, 255, 0.9);
}

.card h3 {
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 12px;
}

.card p {
    color: rgba(207, 207, 214, 0.78);
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.meta-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    font-size: 0.82rem;
    color: rgba(207, 207, 214, 0.65);
    margin-bottom: 16px;
}

.meta-list span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--silver);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: color var(--transition-speed);
}

.card a:hover {
    color: #ffffff;
}

.insights-grid {
    display: grid;
    gap: 18px;
}

.insight {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 18px;
    border-radius: var(--radius-md);
    background: rgba(12, 12, 20, 0.6);
    border: 1px solid var(--outline);
}

.insight-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(90, 90, 255, 0.16);
    color: #bdbdff;
    font-weight: 600;
    font-size: 1.2rem;
}

footer {
    border-top: 1px solid var(--outline);
    padding: 40px 24px 60px;
    background: rgba(5, 5, 12, 0.9);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    gap: 24px;
    color: rgba(207, 207, 214, 0.7);
}

.footer-inner strong {
    color: #ffffff;
    font-size: 1rem;
}

.footer-meta {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(207, 207, 214, 0.14);
    font-size: 0.85rem;
    color: rgba(207, 207, 214, 0.6);
    text-align: center;
    letter-spacing: 0.06em;
}

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

/* --- 新增：表單與訊息樣式 --- */

.form-card {
    display: grid;
    gap: 24px;
}

.form-card h2 {
    font-size: 1.5rem;
    color: #ffffff;
}

.helper-text {
    font-size: 0.9rem;
    color: rgba(207, 207, 214, 0.7);
}

.form-card form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.inline {
    flex: 1;
}

.form-group label {
    font-size: 0.95rem;
    color: rgba(241, 241, 246, 0.92);
    letter-spacing: 0.04em;
}

.required {
    color: #ff7f7f;
}

.input-control,
.textarea-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(207, 207, 214, 0.22);
    background: rgba(10, 10, 16, 0.75);
    color: #f2f2fb;
    transition: border var(--transition-speed), box-shadow var(--transition-speed);
}

.input-control:focus,
.textarea-control:focus {
    outline: none;
    border-color: rgba(90, 90, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(90, 90, 255, 0.25);
}

.input-control.readonly {
    background: rgba(18, 18, 32, 0.6);
    color: rgba(207, 207, 214, 0.85);
    cursor: not-allowed;
}

.textarea-control {
    min-height: 160px;
    resize: vertical;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.form-actions.inline {
    align-items: flex-end;
}

.status-message {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 0.95rem;
    line-height: 1.5;
}

.status-message.success {
    background: rgba(66, 188, 141, 0.18);
    border-color: rgba(66, 188, 141, 0.4);
    color: #b6ffdd;
}

.status-message.error {
    background: rgba(255, 125, 125, 0.18);
    border-color: rgba(255, 125, 125, 0.4);
    color: #ffd1d1;
}

.status-message.info {
    background: rgba(120, 125, 255, 0.12);
    border-color: rgba(120, 125, 255, 0.3);
    color: rgba(207, 207, 214, 0.9);
}

/* --- 新增：資料表樣式 --- */

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
    background: rgba(8, 8, 14, 0.8);
    border: 1px solid rgba(207, 207, 214, 0.14);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid rgba(207, 207, 214, 0.12);
    vertical-align: top;
}

.data-table th {
    background: rgba(90, 90, 255, 0.14);
    color: #f1f1f6;
    font-weight: 600;
    letter-spacing: 0.05em;
}

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

.data-table tbody tr:hover {
    background: rgba(36, 36, 60, 0.45);
}

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(90, 90, 255, 0.22);
    color: #d6d6ff;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

.message-cell {
    white-space: pre-line;
    color: rgba(207, 207, 214, 0.85);
}

/* --- 響應式調整 --- */

@media (max-width: 960px) {
    .form-actions.inline {
        flex-direction: column;
        align-items: stretch;
    }

    .data-table {
        min-width: unset;
    }
}

@media (max-width: 720px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        order: -1;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
}