/* 蓝帆云 lanfanyunjc.my - 现代化卡片式海洋主题 CSS */
:root {
    --primary-deep: #0a2540;
    --primary-blue: #0073e6;
    --primary-cyan: #00c4ff;
    --primary-light: #e6f7ff;
    --accent-gold: #ffb800;
    --accent-gold-hover: #e0a200;
    --bg-main: #f4f8fc;
    --bg-card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 4px 6px -1px rgba(0, 115, 230, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 115, 230, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 115, 230, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 115, 230, 0.1);
    transition: var(--transition-fast);
}

.navbar .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-deep);
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 4px 10px rgba(0, 196, 255, 0.3);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
    position: relative;
    padding: 6px 0;
}

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

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-cyan) 100%);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 15px;
    border-radius: 30px;
    box-shadow: 0 4px 14px rgba(0, 115, 230, 0.35);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 196, 255, 0.45);
    color: #ffffff;
}

.cta-btn-gold {
    background: linear-gradient(135deg, #ffb800 0%, #ff8c00 100%);
    box-shadow: 0 4px 14px rgba(255, 140, 0, 0.35);
}

.cta-btn-gold:hover {
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.5);
}

.hero-section {
    position: relative;
    padding: 140px 0 100px 0;
    min-height: 640px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(180deg, #06192d 0%, #0a2540 60%, #0f3860 100%);
    color: white;
}

#oceanCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 840px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 196, 255, 0.15);
    border: 1px solid rgba(0, 196, 255, 0.3);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-cyan);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #d0e8ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 19px;
    color: #b0c4de;
    line-height: 1.6;
    margin-bottom: 36px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.strip-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #e2e8f0;
}

.section {
    padding: 90px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-tag {
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--primary-blue);
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    display: block;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 115, 230, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 12px;
}

.feature-text {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.tag-item {
    font-size: 12px;
    padding: 4px 10px;
    background: #f0f6ff;
    color: var(--primary-blue);
    border-radius: 12px;
    font-weight: 600;
}

.pricing-section {
    background: linear-gradient(180deg, #ffffff 0%, #f0f6fc 100%);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.pricing-toggle span {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-main);
}

.toggle-switch {
    position: relative;
    width: 60px;
    height: 32px;
    background: #cbd5e1;
    border-radius: 20px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition-fast);
}

.toggle-switch.active {
    background: var(--primary-blue);
}

.toggle-ball {
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-switch.active .toggle-ball {
    transform: translateX(28px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.price-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.price-card.popular {
    border: 2px solid var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.price-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: -14px;
    right: 24px;
    background: linear-gradient(135deg, var(--accent-gold), #ff8c00);
    color: white;
    font-weight: 800;
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(255, 140, 0, 0.3);
}

.price-header h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 8px;
}

.price-desc {
    font-size: 13px;
    color: var(--text-muted);
    min-height: 38px;
}

.price-amount {
    margin: 20px 0;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.price-amount .currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-deep);
}

.price-amount .num {
    font-size: 38px;
    font-weight: 900;
    color: var(--primary-deep);
    letter-spacing: -1px;
}

.price-amount .period {
    font-size: 14px;
    color: var(--text-muted);
}

.price-specs {
    list-style: none;
    margin-bottom: 28px;
    flex-grow: 1;
}

.price-specs li {
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.specs-section {
    background: #ffffff;
}

.specs-table-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow-x: auto;
    margin-top: 30px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 600px;
}

.specs-table th {
    background: #f8fafc;
    padding: 16px 24px;
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-deep);
    border-bottom: 1px solid var(--border-color);
}

.specs-table td {
    padding: 16px 24px;
    font-size: 14px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-main);
}

.check-icon { color: #10b981; font-weight: bold; }
.cross-icon { color: #ef4444; font-weight: bold; }

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.user-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition-fast);
}

.user-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.user-avatar {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
    font-size: 24px;
    color: var(--primary-blue);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 28px;
}

.article-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 115, 230, 0.3);
}

.article-card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.article-meta .category {
    background: var(--primary-light);
    color: var(--primary-blue);
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 700;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-deep);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-fast);
}

.faq-answer {
    padding: 0 24px 20px 24px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
    display: none;
    border-top: 1px solid #f1f5f9;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.article-page {
    padding-top: 110px;
    padding-bottom: 80px;
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.article-breadcrumb {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.article-content {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    font-size: 16px;
    line-height: 1.8;
    color: #334155;
}

.article-content h1 {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-deep);
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-content h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 36px 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}

.article-content h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary-deep);
    margin: 24px 0 12px 0;
}

.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin-bottom: 24px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }

.article-content blockquote {
    background: var(--primary-light);
    border-left: 4px solid var(--primary-blue);
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 15px;
    color: #0f4c81;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
}

.article-content th, .article-content td {
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    text-align: left;
}

.article-content th {
    background: #f8fafc;
    font-weight: 700;
    color: var(--primary-deep);
}

.cta-box {
    background: linear-gradient(135deg, #0a2540 0%, #005086 100%);
    color: white;
    padding: 32px;
    border-radius: var(--radius-md);
    margin: 40px 0;
    text-align: center;
}

.cta-box h3 { color: white !important; font-size: 22px; margin-bottom: 12px; }
.cta-box p { color: #cbd5e1; margin-bottom: 20px; }

.internal-links {
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 40px;
    border: 1px solid var(--border-color);
}

.internal-links h4 {
    font-size: 17px;
    color: var(--primary-deep);
    margin-bottom: 12px;
}

.internal-links ul { list-style: none; padding-left: 0; }
.internal-links li { margin-bottom: 8px; }

.footer {
    background: var(--primary-deep);
    color: #94a3b8;
    padding: 70px 0 30px 0;
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    color: white;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand p { line-height: 1.7; margin-bottom: 20px; }

.footer-col h4 {
    color: white;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: #94a3b8; }
.footer-col a:hover { color: var(--primary-cyan); }

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 992px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-title { font-size: 36px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 30px; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-content { padding: 20px; }
}