/* 9902 开发者门户 — 绿色主题 */
:root {
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--slate-50) 0%, var(--green-50) 100%);
    color: var(--slate-800);
    min-height: 100vh;
}

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, var(--green-700) 0%, var(--green-900) 100%);
    color: white;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 12px rgba(22, 101, 52, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand .logo {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.navbar-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.navbar-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.navbar-links a:hover {
    background: rgba(255,255,255,0.15);
    color: white;
}

.btn-login {
    background: white !important;
    color: var(--green-700) !important;
    font-weight: 600 !important;
}

.btn-login:hover {
    background: var(--green-100) !important;
    color: var(--green-800) !important;
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Hero 区域 */
.hero {
    text-align: center;
    padding: 60px 20px 40px;
}

.hero h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--green-900);
    margin-bottom: 12px;
}

.hero p {
    font-size: 16px;
    color: var(--slate-600);
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--portal-primary);
    color: white;
}
.btn-primary:hover {
    background: var(--green-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.4);
}

.btn-outline {
    background: white;
    color: var(--green-700);
    border: 2px solid var(--green-300);
}
.btn-outline:hover {
    background: var(--green-50);
    border-color: var(--green-500);
}

/* Skill 卡片网格 */
.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--green-900);
    margin: 48px 0 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.skill-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--slate-200);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: var(--green-300);
}

.skill-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.skill-icon.free { background: var(--green-100); }
.skill-icon.trial { background: #fff7ed; }
.skill-icon.paid { background: #eff6ff; }

.skill-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 8px;
}

.skill-desc {
    font-size: 14px;
    color: var(--slate-600);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 16px;
}

.skill-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--slate-100);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-free { background: var(--green-100); color: var(--green-700); }
.badge-trial { background: #fff7ed; color: #c2410c; }
.badge-paid { background: #eff6ff; color: #1d4ed8; }

.price {
    font-size: 18px;
    font-weight: 700;
    color: var(--green-700);
}

.price small {
    font-size: 12px;
    font-weight: 400;
    color: var(--slate-600);
}

/* 文档页 */
.docs-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.docs-container h1 {
    font-size: 32px;
    color: var(--green-900);
    margin-bottom: 24px;
}

.docs-container h2 {
    font-size: 22px;
    color: var(--green-800);
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--green-200);
}

.docs-container h3 {
    font-size: 18px;
    color: var(--slate-800);
    margin: 20px 0 10px;
}

.docs-container p {
    font-size: 15px;
    color: var(--slate-600);
    line-height: 1.7;
    margin-bottom: 12px;
}

.docs-container pre {
    background: var(--slate-900);
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.5;
    margin: 12px 0;
}

.docs-container code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
}

.docs-container .badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-right: 8px;
}

/* 控制台 */
.dashboard-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.dashboard-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--slate-200);
    margin-bottom: 20px;
}

.dashboard-card h3 {
    font-size: 18px;
    color: var(--green-800);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.credential-box {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 8px;
    padding: 16px;
    margin: 12px 0;
}

.credential-box .label {
    font-size: 13px;
    color: var(--slate-600);
    margin-bottom: 6px;
    font-weight: 600;
}

.credential-box .value {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    color: var(--slate-800);
    word-break: break-all;
    background: white;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--slate-200);
}

/* 响应式 */
@media (max-width: 768px) {
    .hero h1 { font-size: 28px; }
    .skills-grid { grid-template-columns: 1fr; }
    .container { padding: 20px 16px; }
    .navbar { padding: 0 16px; }
    .navbar-brand { font-size: 16px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 24px; }
    .hero p { font-size: 14px; }
    .btn { padding: 10px 18px; font-size: 14px; }
    .navbar-links a { padding: 6px 10px; font-size: 13px; }
}