.breadcrumbs {
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.breadcrumbs a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.breadcrumbs i {
    font-size: 0.8rem;
    opacity: 0.7;
}

.breadcrumbs span {
    color: var(--text-light);
}

.article-header {
    margin-bottom: 40px;
}

.article-category {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.article-title {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 25px;
    color: var(--text-color);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 20px;
}

.author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.author-name {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
}

.article-meta time {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

.article-share span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.article-featured-image {
    margin: 40px 0;
    border-radius: var(--radius);
    overflow: hidden;
    max-height: 500px;
    box-shadow: var(--shadow);
}

.article-featured-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.article-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin: 10px 0;
}

.table-of-contents {
    position: sticky;
    top: 100px;
    align-self: start;
    background: var(--bg-light);
    padding: 25px 15px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.table-of-contents h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.table-of-contents ul {
    list-style: none;
}

.table-of-contents li {
    margin-bottom: 10px;
}

.table-of-contents a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.5;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
    border-bottom: 1px solid transparent;
}

.table-of-contents a:hover,
.table-of-contents a.active {
    color: var(--primary-color);
    padding-left: 5px;
    border-bottom: 1px solid var(--border-color);
}

.article-body {
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--text-color);
}

.article-intro {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
    line-height: 1.6;
}

.article-section {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-section h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-color);
}

.article-tip {
    background: linear-gradient(135deg, #f0f9ff, #fef7ff);
    border-left: 4px solid var(--primary-color);
    padding: 20px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.article-tip i {
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 3px;
}

.article-tip p {
    margin: 0;
    line-height: 1.6;
}

.article-summary {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 30px;
    border-radius: var(--radius);
    margin: 40px 0;
    border: 1px solid var(--border-color);
}

.article-summary h3 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.article-link {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    padding: 15px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.article-link i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.article-link a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.article-link a:hover {
    text-decoration: underline;
}

.article-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    margin: 50px 0;
}

.article-cta h3 {
    color: white;
    margin-bottom: 15px;
}

.article-cta p {
    opacity: 0.9;
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
}

.nav-prev,
.nav-next {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.nav-prev:hover,
.nav-next:hover {
    background: white;
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.nav-prev i,
.nav-next i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-prev div,
.nav-next div {
    flex-grow: 1;
}

.nav-prev span,
.nav-next span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.nav-prev h4,
.nav-next h4 {
    font-size: 1.1rem;
    line-height: 1.4;
    color: var(--text-color);
}

.related-articles {
    padding: 20px 0;
    background: var(--bg-light);
}

.related-articles .section-title {
    text-align: center;
    margin-bottom: 40px;
}

@media (max-width: 992px) {
    .article-content {
        grid-template-columns: 1fr;
    }

    .table-of-contents {
        position: static;
        margin-bottom: 30px;
        max-height: none;
    }

    .article-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-share {
        width: 100%;
        justify-content: flex-start;
        margin-top: 15px;
    }

    .article-navigation {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: 1.8rem;
    }

    .article-body {
        font-size: 1rem;
    }

    .article-intro {
        font-size: 1.1rem;
        padding: 15px;
    }

    .article-section h2 {
        font-size: 1.5rem;
    }

    .article-cta {
        padding: 30px 20px;
    }

    .article-featured-image {
        margin: 20px 0;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 1.5rem;
    }

    .author {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .author-avatar {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .article-tip {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }

    .tag {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .nav-prev,
    .nav-next {
        padding: 20px;
        gap: 15px;
    }

    .article-link {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

.article-steps {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin: 15px 0;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.step p {
    margin: 0;
    line-height: 1.6;
}

.step a {
    color: var(--primary-color);
    text-decoration: none;
}

.step a:hover {
    text-decoration: underline;
}

.article-note {
    background: #fff9db;
    border-left: 4px solid #ffd43b;
    padding: 20px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
}

.article-note p {
    margin: 0;
    color: #5c3c00;
    line-height: 1.6;
}

.article-section h3 {
    font-size: 1.4rem;
    margin: 25px 0 15px;
    color: var(--text-color);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.article-checklist {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 20px 0;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: #f8fafc;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.checklist-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.checklist-item span {
    line-height: 1.6;
}

.article-conclusion {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 20px;
    border-radius: var(--radius);
    margin: 25px 0;
    border-left: 4px solid var(--primary-color);
}

.article-conclusion p {
    margin: 0;
    font-weight: 500;
    line-height: 1.6;
}

.article-summary .article-cta {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    margin: 30px 0 0 0;
    padding: 25px;
}

.article-summary .article-cta h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.article-summary .article-cta p {
    font-size: 1rem;
    margin-bottom: 20px;
}

.article-warning {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-left: 4px solid #f59e0b;
    padding: 20px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.article-warning i {
    color: #d97706;
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.article-warning p {
    margin: 0;
    line-height: 1.6;
    color: #92400e;
}

.article-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.pillar {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.pillar:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pillar-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.pillar-icon i {
    color: white;
    font-size: 1.5rem;
}

.pillar h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.pillar p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.article-example {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0;
}

.example-bad,
.example-good {
    padding: 20px;
    border-radius: var(--radius);
}

.example-bad {
    background: #fee2e2;
    border: 1px solid #fca5a5;
}

.example-good {
    background: #dcfce7;
    border: 1px solid #86efac;
}

.example-bad h4,
.example-good h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.example-bad i {
    color: #dc2626;
}

.example-good i {
    color: #16a34a;
}

.example-bad p,
.example-good p {
    margin: 0;
    line-height: 1.6;
}

.article-rule {
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    padding: 25px;
    border-radius: var(--radius);
    margin: 25px 0;
    border-left: 4px solid var(--primary-color);
}

.article-rule h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.article-rule i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.article-rule p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.6;
}

.article-examples {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 20px 0;
}

.example {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.example p {
    margin: 0;
    line-height: 1.6;
}

.example strong {
    color: var(--text-color);
    font-weight: 600;
}

.article-mistakes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.mistake {
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid #fca5a5;
    box-shadow: var(--shadow);
}

.mistake h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #dc2626;
}

.mistake i {
    font-size: 1.2rem;
}

.mistake p {
    margin: 0;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 0.95rem;
}

.article-solutions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.solution {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.solution:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.solution-icon i {
    color: white;
    font-size: 1.5rem;
}

.solution h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.solution p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.article-insight {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 20px;
    border-radius: var(--radius);
    margin: 20px 0;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    border-left: 4px solid var(--primary-color);
}

.article-insight i {
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.article-insight p {
    margin: 0;
    font-weight: 500;
    line-height: 1.6;
}

.article-question {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 30px;
    border-radius: var(--radius);
    margin: 30px 0;
    border: 1px solid var(--border-color);
}

.article-question h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.article-question i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.article-question p {
    margin: 10px 0;
    line-height: 1.6;
}

.article-question .question-answer {
    background: white;
    padding: 15px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
    margin-top: 15px;
    font-weight: 500;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .article-example {
        grid-template-columns: 1fr;
    }

    .example {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .article-pillars,
    .article-solutions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .article-mistakes {
        grid-template-columns: 1fr;
    }
}

.article-questions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 25px 0;
}

.question {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.question-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.question-content h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
    color: var(--text-color);
}

.question-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.article-note {
    background: #f0f9ff;
    border-left: 4px solid var(--primary-color);
    padding: 15px 20px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.article-note i {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.article-note p {
    margin: 0;
    line-height: 1.6;
    font-style: italic;
}

.article-report {
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.article-report:last-of-type {
    border-bottom: none;
    margin-bottom: 25px;
}

.article-report h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.4rem;
}

.article-report h3 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.traffic-sources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.source {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.source:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.source-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.source-icon i {
    color: white;
    font-size: 1.3rem;
}

.source-content h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.source-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

.article-example {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0;
}

.example-problem,
.example-solution {
    padding: 20px;
    border-radius: var(--radius);
}

.example-problem {
    background: #fee2e2;
    border: 1px solid #fca5a5;
}

.example-solution {
    background: #dcfce7;
    border: 1px solid #86efac;
}

.example-problem h4,
.example-solution h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.example-problem i {
    color: #dc2626;
}

.example-solution i {
    color: #16a34a;
}

.example-problem p,
.example-solution p {
    margin: 0;
    line-height: 1.6;
}

.kpi-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.kpi {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.kpi-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.kpi-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-icon i {
    color: white;
    font-size: 1.5rem;
}

.kpi h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-color);
}

.kpi p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.kpi-analysis {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 15px 0;
}

.analysis-good,
.analysis-bad {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    border-radius: 8px;
}

.analysis-good {
    background: #dcfce7;
    border: 1px solid #86efac;
}

.analysis-bad {
    background: #fee2e2;
    border: 1px solid #fca5a5;
}

.analysis-good i {
    color: #16a34a;
}

.analysis-bad i {
    color: #dc2626;
}

.analysis-good span,
.analysis-bad span {
    font-weight: 500;
}

.kpi-conclusion {
    margin-top: 15px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: var(--radius);
    font-style: italic;
    border-left: 4px solid var(--border-color);
}

.goals-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.goal {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.goal:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.goal-number {
    flex-shrink: 0;
}

.goal-number span {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.goal-content h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.goal-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

.article-revelation {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 30px;
    border-radius: var(--radius);
    margin: 30px 0;
    border: 1px solid var(--border-color);
}

.article-revelation h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    color: var(--text-color);
}

.article-revelation h3 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.comparison-before,
.comparison-after {
    text-align: center;
    padding: 30px;
    border-radius: var(--radius);
    min-width: 200px;
}

.comparison-before {
    background: #e5e7eb;
    border: 1px solid #d1d5db;
}

.comparison-after {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.comparison h4 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.comparison-before h4 i {
    color: var(--text-light);
}

.comparison-after h4 i {
    color: white;
}

.big-number {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin: 10px 0;
}

.comparison-before .big-number {
    color: var(--text-color);
}

.comparison-after .big-number {
    color: white;
}

.label {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.comparison-before .label {
    color: var(--text-light);
}

.comparison-after .label {
    color: rgba(255, 255, 255, 0.9);
}

.description {
    font-size: 0.9rem;
    margin-top: 10px;
    line-height: 1.4;
}

.comparison-before .description {
    color: var(--text-light);
}

.comparison-after .description {
    color: rgba(255, 255, 255, 0.8);
}

.comparison-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

.action-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.action-step {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.2rem;
}

.action-step h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-color);
}

.action-step p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.step-link {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
    padding: 15px;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.step-link i {
    color: var(--primary-color);
}

.step-link a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.step-link a:hover {
    text-decoration: underline;
}

.goal-examples {
    display: flex;
    gap: 15px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.goal-example {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: var(--bg-light);
    border-radius: 8px;
    font-family: monospace;
}

.goal-example i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.checklist-mini {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 15px 0;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-item i {
    color: var(--primary-color);
}

.article-conclusion-final {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 30px;
    border-radius: var(--radius);
    margin-top: 40px;
    border: 1px solid var(--border-color);
}

.article-conclusion-final h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.article-conclusion-final h3 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.article-conclusion-final p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.problem-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.problem {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.problem i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.problem span {
    font-weight: 500;
}

.final-cta {
    text-align: center;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.final-cta h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .article-featured-image img {
        height: auto;
    }

    .article-example {
        grid-template-columns: 1fr;
    }

    .comparison {
        flex-direction: column;
        gap: 20px;
    }

    .comparison-arrow {
        transform: rotate(90deg);
    }

    .traffic-sources {
        grid-template-columns: 1fr;
    }

    .goals-examples {
        grid-template-columns: 1fr;
    }

    .kpi-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .article-featured-image img {
        height: auto;
    }

    .question {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .action-steps {
        grid-template-columns: 1fr;
    }

    .problem-points {
        grid-template-columns: 1fr;
    }

    .source {
        flex-direction: column;
        text-align: center;
    }

    .source-icon {
        margin: 0 auto;
    }
}

.article-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 25px 0;
    flex-wrap: wrap;
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 250px;
    border: 1px solid var(--border-color);
}

.comparison-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.comparison-icon i {
    color: white;
    font-size: 1.5rem;
}

.comparison-content h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.comparison-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
}

.comparison-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.reason {
    display: flex;
    gap: 15px;
    padding: 25px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.reason:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.reason-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.reason-content h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--text-color);
}

.reason-content p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.5;
}

.webmaster-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.feature {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    color: white;
    font-size: 1.3rem;
}

.feature-content h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.feature-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.notification-system {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin: 25px 0;
    flex-wrap: wrap;
}

.notification-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    min-width: 150px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon i {
    color: white;
    font-size: 1.5rem;
}

.step-content h4 {
    margin-bottom: 5px;
    font-size: 1rem;
    color: var(--text-color);
}

.step-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.4;
}

.notification-arrow {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.influence-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.action {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.action-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.action-icon i {
    color: white;
    font-size: 1.5rem;
}

.action-content h4 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--text-color);
}

.action-content p {
    margin-bottom: 15px;
    color: var(--text-light);
    line-height: 1.5;
}

.action-example {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.action-example i {
    color: var(--primary-color);
}

.action-example span {
    font-weight: 500;
}

.quick-plan {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.plan-step {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.plan-step .step-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.plan-step .step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.2rem;
}

.plan-step h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-color);
}

.plan-step p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.step-tip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #f0f9ff;
    border-radius: 8px;
    margin: 15px 0;
    border-left: 4px solid var(--primary-color);
}

.step-tip i {
    color: var(--primary-color);
}

.step-tip span {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-color);
}

.status-indicator {
    display: flex;
    gap: 15px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.status-good,
.status-bad {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: 8px;
}

.status-good {
    background: #dcfce7;
    border: 1px solid #86efac;
}

.status-bad {
    background: #fee2e2;
    border: 1px solid #fca5a5;
}

.status-good i {
    color: #16a34a;
}

.status-bad i {
    color: #dc2626;
}

.common-issues {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 15px 0;
}

.issue {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: var(--radius);
    text-align: center;
}

.issue i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.issue span {
    font-size: 0.9rem;
    color: var(--text-color);
}

.final-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.check-item i {
    color: var(--primary-color);
}

.final-statement {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    margin: 25px 0;
}

.final-statement p {
    margin: 0;
    font-size: 1.2rem;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .article-comparison {
        flex-direction: column;
    }

    .notification-system {
        flex-direction: column;
    }

    .notification-arrow {
        transform: rotate(90deg);
    }

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

    .webmaster-features {
        grid-template-columns: 1fr;
    }

    .influence-actions {
        grid-template-columns: 1fr;
    }

    .quick-plan {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .comparison-item {
        flex-direction: column;
        text-align: center;
    }

    .feature {
        flex-direction: column;
        text-align: center;
    }

    .feature-icon {
        margin: 0 auto;
    }

    .action-example {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}