/* ===== 泽盛赋能 · 小说连载中心 ===== */
:root {
    --primary: #3B4CB8;
    --primary-dark: #2D3A8C;
    --primary-light: #4F5FD9;
    --accent: #F5A623;
    --accent-dark: #D4901A;
    --bg: #F7F8FC;
    --white: #FFFFFF;
    --text: #1A1A2E;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --card-shadow: 0 2px 12px rgba(59, 76, 184, 0.08);
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

/* ===== Header ===== */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.header-logo svg { width: 28px; height: 28px; }

.header-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-nav a {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

.header-nav a:hover { color: var(--primary); }

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

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

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 100px 20px 80px;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #FFF7E6, #FFF1CC);
    color: var(--accent-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text);
}

.hero p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* ===== Steps ===== */
.steps {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 0 20px 80px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    flex: 1;
}

.step-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== Section ===== */
.section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 20px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 15px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
}

/* ===== Skill Cards ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.skill-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s;
    display: block;
}

.skill-card:hover {
    border-color: var(--primary);
    box-shadow: var(--card-shadow);
    transform: translateY(-2px);
}

.skill-card-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.skill-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.skill-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    background: var(--bg);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* ===== Data Cards ===== */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.data-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.data-card .value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.data-card .label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== Platform Cards ===== */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.platform-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: all 0.2s;
}

.platform-card:hover {
    border-color: var(--primary);
    box-shadow: var(--card-shadow);
}

.platform-card-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.platform-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.platform-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== Skill Detail Page ===== */
.detail-hero {
    text-align: center;
    padding: 60px 20px 40px;
    max-width: 800px;
    margin: 0 auto;
}

.detail-hero h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.detail-hero p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.detail-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 13px;
    color: var(--text-secondary);
}

.detail-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
    font-size: 14px;
    margin-bottom: 20px;
}

.back-link:hover { text-decoration: underline; }

/* ===== Feature Grid ===== */
.feature-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.feature-section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.feature-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.feature-item h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.feature-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== Toolbox ===== */
.toolbox {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.toolbox-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.toolbox-card h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.tab-btn {
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--white);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.tab-btn:hover { border-color: var(--primary); color: var(--primary); }

.tab-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.submit-btn.loading {
    position: relative;
}

.submit-btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Result Area ===== */
.result-area {
    margin-top: 24px;
    display: none;
}

.result-area.show { display: block; }

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--text);
    color: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius) var(--radius) 0 0;
    font-size: 14px;
    font-weight: 600;
}

.result-header .copy-btn {
    background: rgba(255,255,255,0.15);
    border: none;
    color: var(--white);
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
}

.result-header .copy-btn:hover { background: rgba(255,255,255,0.25); }

.result-body {
    background: #1E1E2E;
    color: #E0E0E0;
    padding: 24px;
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: 600px;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.8;
}

/* Markdown in result */
.result-body h1, .result-body h2, .result-body h3, .result-body h4 {
    color: #FFFFFF;
    margin: 20px 0 10px;
    font-weight: 700;
}

.result-body h1 { font-size: 22px; }
.result-body h2 { font-size: 19px; }
.result-body h3 { font-size: 17px; }
.result-body h4 { font-size: 15px; }

.result-body p { margin-bottom: 12px; }

.result-body ul, .result-body ol {
    margin: 10px 0;
    padding-left: 24px;
}

.result-body li { margin-bottom: 6px; }

.result-body strong { color: #FFFFFF; }

.result-body em { color: #A0AEC0; font-style: italic; }

.result-body blockquote {
    border-left: 3px solid var(--primary-light);
    padding-left: 16px;
    margin: 12px 0;
    color: #A0AEC0;
}

.result-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
}

.result-body th, .result-body td {
    border: 1px solid #3A3A4A;
    padding: 8px 12px;
    text-align: left;
    font-size: 13px;
}

.result-body th {
    background: #2A2A3A;
    color: #FFFFFF;
    font-weight: 600;
}

.result-body code {
    background: #2A2A3A;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

.result-body pre {
    background: #2A2A3A;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
}

.result-body pre code {
    background: none;
    padding: 0;
}

.result-body hr {
    border: none;
    border-top: 1px solid #3A3A4A;
    margin: 16px 0;
}

/* ===== Info Table ===== */
.info-table {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.info-table h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.info-table th, .info-table td {
    padding: 14px 20px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.info-table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
}

.info-table td { color: var(--text-secondary); }

/* ===== Tips Section ===== */
.tips-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.tips-section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tips-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.tips-card pre {
    background: var(--bg);
    padding: 20px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    color: var(--text);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 13px;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

/* ===== Status Badge ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.active { background: #D1FAE5; color: #065F46; }
.status-badge.paused { background: #FEF3C7; color: #92400E; }
.status-badge.completed { background: #DBEAFE; color: #1E40AF; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .header { padding: 0 16px; }
    .hero { padding: 60px 16px 40px; }
    .hero h1 { font-size: 28px; }
    .steps { flex-direction: column; gap: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .data-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-buttons { flex-direction: column; align-items: center; }
}