@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,700;1,800&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #fff;
    color: #111827;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

.header {
    background: #fff;
    border-bottom: 1px solid #E5E7EB;
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.header-nav a {
    font-size: 14px;
    font-weight: 600;
    color: #6B7280;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: #f97316;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: #f97316;
    letter-spacing: -0.5px;
}

.hero {
    padding: 88px 24px 72px;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #7C3AED;
}

.hero-vline {
    width: 2px;
    height: 44px;
    background: #7C3AED;
}

.hero-box-wrap {
    position: relative;
    padding: 0 88px;
}

.hero-box-wrap::before,
.hero-box-wrap::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 88px;
    height: 2px;
    background: #7C3AED;
    transform: translateY(-50%);
}

.hero-box-wrap::before {
    left: 0;
}

.hero-box-wrap::after {
    right: 0;
}

.hero-node {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #7C3AED;
    top: 50%;
    transform: translateY(-50%);
}

.hero-node-l {
    left: -5px;
}

.hero-node-r {
    right: -5px;
}

.hero-title-box {
    border: 2.5px dashed #D1D5DB;
    padding: 32px 56px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1.5px;
    color: #111827;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 17px;
    color: #6B7280;
    line-height: 1.7;
    max-width: 640px;
}

.hero-sub {
    font-size: 15px;
    font-weight: 600;
    color: #f97316;
    margin-top: 16px;
    letter-spacing: 3px;
}

.hero-arrow {
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 10px solid #7C3AED;
}

.hero-cta {
    display: inline-block;
    background: #7C3AED;
    color: #fff;
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    margin-top: 24px;
    transition: background 0.2s, transform 0.2s;
}

.hero-cta:hover {
    background: #8B5CF6;
    transform: translateY(-2px);
}

.section-label {
    font-size: 13px;
    font-weight: 700;
    color: #7C3AED;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.featured {
    padding: 80px 24px;
    background: #F5F3FF;
}

.featured-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.featured-card {
    background: #fff;
    border-radius: 20px;
    padding: 48px;
    display: flex;
    gap: 48px;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.featured-content {
    flex: 1;
}

.featured-badge {
    display: inline-block;
    background: #7C3AED;
    color: #fff;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.featured-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.featured-desc {
    font-size: 16px;
    color: #6B7280;
    line-height: 1.7;
    margin-bottom: 28px;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.avatar-purple {
    background: #7C3AED;
    color: #fff;
}

.avatar-muted {
    background: #DDD6FE;
    color: #7C3AED;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 13px;
}

.meta-author {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
}

.meta-date {
    font-size: 14px;
    color: #7C3AED;
    font-weight: 500;
}

.meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: #9CA3AF;
    flex-shrink: 0;
}

.featured-graphic {
    flex-shrink: 0;
    width: 300px;
    height: 220px;
    background: linear-gradient(135deg, #7C3AED, #8B5CF6, #A78BFA);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.featured-graphic::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.15) 1px, transparent 1px);
    background-size: 16px 16px;
}

.featured-graphic-icon {
    font-size: 64px;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 800;
}

.articles {
    padding: 80px 24px;
}

.articles-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.articles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 24px;
    border-bottom: 2px solid #111827;
}

.articles-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.articles-more {
    font-size: 15px;
    font-weight: 600;
    color: #7C3AED;
}

.articles-more:hover {
    color: #8B5CF6;
}

.article-item {
    border-bottom: 1px solid #E5E7EB;
    padding: 28px 0;
    display: block;
}

.article-item:hover .article-title {
    color: #f97316;
}

.article-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: #ea580c;
    background: #fff7ed;
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.article-title {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
    transition: color 0.2s;
}

.article-desc {
    font-size: 15px;
    color: #6B7280;
    line-height: 1.6;
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.categories {
    padding: 64px 24px;
    background: #FAFAFA;
}

.categories-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.categories-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.3px;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.category-tag {
    display: inline-block;
    padding: 10px 24px;
    border: 1.5px solid #E5E7EB;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    background: #fff;
    transition: all 0.2s;
}

.category-tag:hover {
    border-color: #7C3AED;
    color: #7C3AED;
    background: #F5F3FF;
}

.newsletter {
    padding: 80px 24px;
    text-align: center;
}

.newsletter-inner {
    max-width: 560px;
    margin: 0 auto;
}

.newsletter-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.newsletter-desc {
    font-size: 16px;
    color: #6B7280;
    margin-bottom: 32px;
    line-height: 1.6;
}

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

.newsletter-input {
    flex: 1;
    padding: 14px 20px;
    border: 1.5px solid #E5E7EB;
    border-radius: 50px;
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
}

.newsletter-input:focus {
    border-color: #f97316;
}

.newsletter-input::placeholder {
    color: #9CA3AF;
}

.newsletter-btn {
    background: #f97316;
    color: #fff;
    padding: 14px 28px;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: #ea580c;
}

.footer {
    background: #111827;
    color: #fff;
    padding: 64px 24px 32px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 20px;
    font-weight: 800;
    font-style: italic;
    margin-bottom: 16px;
}

.footer-brand span {
    color: #f97316;
}

.footer-text {
    font-size: 14px;
    color: #9CA3AF;
    line-height: 1.7;
}

.footer-heading {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: #9CA3AF;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: #D1D5DB;
}

.footer-links a:hover {
    color: #f97316;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: #6B7280;
}

.blog-hero {
    padding: 64px 24px 48px;
    text-align: center;
    border-bottom: 1px solid #E5E7EB;
}

.blog-hero-inner {
    max-width: 720px;
    margin: 0 auto;
}

.blog-category {
    display: inline-block;
    background: #F5F3FF;
    color: #7C3AED;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.blog-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.blog-desc {
    font-size: 17px;
    color: #6B7280;
    line-height: 1.6;
    margin-bottom: 24px;
}

.blog-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.blog-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.blog-body h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 48px 0 16px;
    letter-spacing: -0.3px;
    color: #111827;
}

.blog-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 36px 0 12px;
    color: #111827;
}

.blog-body p {
    font-size: 16.5px;
    color: #374151;
    line-height: 1.85;
    margin-bottom: 20px;
}

.blog-body ul,
.blog-body ol {
    margin: 16px 0 24px 24px;
    color: #374151;
}

.blog-body li {
    margin-bottom: 10px;
    line-height: 1.75;
    font-size: 16px;
}

.blog-body blockquote {
    border-left: 3px solid #7C3AED;
    padding: 20px 24px;
    margin: 28px 0;
    background: #F5F3FF;
    border-radius: 0 12px 12px 0;
    font-size: 16px;
    color: #374151;
    line-height: 1.7;
}

.blog-body pre {
    background: #1F2937;
    color: #E5E7EB;
    padding: 24px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 24px 0;
    font-size: 14px;
    line-height: 1.65;
}

.blog-body code {
    background: #F3F4F6;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
    color: #7C3AED;
}

.blog-body pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    color: inherit;
}

.blog-nav {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #E5E7EB;
    padding-top: 32px;
}

.blog-nav a {
    font-size: 15px;
    font-weight: 600;
    color: #7C3AED;
}

.blog-nav a:hover {
    color: #8B5CF6;
}

.legal {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

.legal h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.legal-date {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 48px;
}

.legal h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 40px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #E5E7EB;
}

.legal h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 28px 0 12px;
}

.legal p {
    font-size: 15px;
    color: #374151;
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal ul {
    margin: 12px 0 20px 24px;
    color: #374151;
}

.legal li {
    margin-bottom: 8px;
    line-height: 1.7;
    font-size: 15px;
}

@media (max-width: 920px) {
    .header-nav {
        display: none;
    }

    .header-inner {
        height: 60px;
    }

    .logo {
        font-size: 18px;
    }

    .hero {
        padding: 56px 24px 48px;
    }

    .hero-title {
        font-size: 28px;
        letter-spacing: -0.5px;
    }

    .hero-title-box {
        padding: 24px 32px;
    }

    .hero-box-wrap {
        padding: 0;
    }

    .hero-box-wrap::before,
    .hero-box-wrap::after,
    .hero-node {
        display: none;
    }

    .hero-sub {
        font-size: 13px;
        letter-spacing: 2px;
    }

    .featured {
        padding: 56px 24px;
    }

    .featured-card {
        flex-direction: column;
        padding: 32px;
        gap: 32px;
    }

    .featured-graphic {
        width: 100%;
        height: 180px;
        order: -1;
    }

    .featured-title {
        font-size: 24px;
    }

    .articles {
        padding: 56px 24px;
    }

    .articles-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .article-title {
        font-size: 19px;
    }

    .categories {
        padding: 48px 24px;
    }

    .newsletter {
        padding: 56px 24px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .blog-title {
        font-size: 28px;
    }

    .blog-desc {
        font-size: 15px;
    }

    .blog-body h2 {
        font-size: 22px;
    }

    .legal h1 {
        font-size: 28px;
    }

    .card-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .card:hover {
        transform: none;
    }
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px 32px;
}

.card {
    display: block;
    transition: transform 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.card:hover {
    transform: translateY(-4px);
}

.card-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    background: #f0f2f5;
}

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

.card-thumb-icon {
    width: 48px;
    height: 48px;
    color: #c0c0c0;
    margin: auto;
    display: block;
    padding-top: 35%;
}

.card-body {}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 13px;
    color: #888;
}

.tag.card-tag {
    font-size: 12px;
    font-weight: 600;
    color: #f06292;
    background: #fce4ec;
    padding: 3px 10px;
    border-radius: 50px;
}

.card-title {
    font-size: 19px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.5;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.card:hover .card-title {
    color: #f06292;
}

.card-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.75;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.card-link {
    font-size: 14px;
    font-weight: 600;
    color: #f06292;
}

.empty-message {
    grid-column: 1 / -1;
    text-align: center;
    color: #999;
    padding: 60px 0;
}

.category-filter {
    display: flex;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    overflow-x: auto;
    scrollbar-width: none;
}

.category-filter::-webkit-scrollbar {
    display: none;
}

.category-filter a {
    font-size: 15px;
    font-weight: 500;
    color: #999;
    padding-bottom: 12px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
}

.category-filter a:hover {
    color: #1a1a1a;
}

.category-filter a.active {
    color: #1a1a1a;
    border-bottom-color: #f06292;
    font-weight: 600;
}