/* Product Desktop Page Styles */
/* 强调色：紫色 #A855F7 */

/* Hero Section */
.pd-hero {
    background: linear-gradient(135deg, var(--deep-space-blue) 0%, #1a0a3e 100%);
    padding: var(--spacing-xl) 0;
    padding-top: calc(70px + var(--spacing-xl));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pd-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.pd-hero-content {
    position: relative;
    z-index: 2;
}

.pd-hero-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--purple-accent), #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pd-hero-subtitle {
    color: var(--silver-gray);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    opacity: 0.9;
}

.pd-hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Buttons */
.pd-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.pd-btn-primary {
    background: linear-gradient(135deg, var(--purple-accent), #9333ea);
    color: var(--white);
}

.pd-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.4), 0 0 50px rgba(168, 85, 247, 0.2);
}

.pd-btn-secondary {
    background: rgba(168, 85, 247, 0.1);
    color: var(--purple-accent);
    border: 1px solid var(--purple-accent);
}

.pd-btn-secondary:hover {
    background: rgba(168, 85, 247, 0.2);
    transform: translateY(-2px);
}

/* Section Common */
.pd-section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    color: var(--white);
    margin-bottom: 1rem;
    position: relative;
}

.pd-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--purple-accent), #9333ea);
    border-radius: 2px;
}

.pd-section-subtitle {
    color: var(--silver-gray);
    font-size: 1.15rem;
    line-height: 1.7;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Scenarios Section */
.pd-scenarios {
    padding: var(--spacing-xl) 0;
    background: var(--deep-space-blue);
}

.pd-scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.pd-scene-card {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(168, 85, 247, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pd-scene-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--purple-accent), transparent);
}

.pd-scene-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.3), 0 0 50px rgba(168, 85, 247, 0.15);
    border-color: var(--purple-accent);
}

.pd-scene-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.1);
    color: var(--purple-accent);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.pd-scene-card[data-scene="knowledge"] .pd-scene-icon {
    background: rgba(0, 240, 255, 0.1);
    color: var(--fluorescent-cyan);
}

.pd-scene-card[data-scene="data"] .pd-scene-icon {
    background: rgba(255, 107, 53, 0.1);
    color: var(--orange-accent);
}

.pd-scene-card[data-scene="skills"] .pd-scene-icon {
    background: rgba(78, 205, 196, 0.1);
    color: var(--green-accent);
}

.pd-scene-card h3 {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.pd-scene-desc {
    color: var(--silver-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.pd-scene-highlight {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: var(--border-radius-md);
    color: var(--purple-accent);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Synergy Section */
.pd-synergy {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--deep-space-blue) 0%, #1a0a3e 50%, var(--deep-space-blue) 100%);
}

.pd-synergy-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    align-items: center;
}

.pd-synergy-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.pd-synergy-node {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
}

.pd-node-server {
    background: rgba(0, 240, 255, 0.08);
    border: 2px solid rgba(0, 240, 255, 0.3);
    color: var(--fluorescent-cyan);
}

.pd-node-server i {
    font-size: 1.5rem;
}

.pd-node-desktop {
    background: rgba(168, 85, 247, 0.08);
    border: 2px solid rgba(168, 85, 247, 0.3);
    color: var(--purple-accent);
}

.pd-node-desktop i {
    font-size: 1.5rem;
}

.pd-synergy-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.pd-arrow-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--fluorescent-cyan), var(--purple-accent));
    position: relative;
}

.pd-arrow-line::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--purple-accent);
}

.pd-arrow-label {
    color: var(--silver-gray);
    font-size: 0.8rem;
    opacity: 0.7;
}

.pd-synergy-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.pd-synergy-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--purple-accent);
}

.pd-synergy-item i {
    color: var(--purple-accent);
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.pd-synergy-item span {
    color: var(--silver-gray);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Security Section */
.pd-security {
    padding: var(--spacing-xl) 0;
    background: var(--deep-space-blue);
}

.pd-security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pd-security-card {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(168, 85, 247, 0.12);
    text-align: center;
    transition: all 0.3s ease;
}

.pd-security-card:hover {
    border-color: var(--purple-accent);
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.25);
}

.pd-security-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.08);
    color: var(--purple-accent);
    font-size: 1.3rem;
    margin: 0 auto var(--spacing-sm);
}

.pd-security-card h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.pd-security-card p {
    color: var(--silver-gray);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Xinchuang Section */
.pd-xinchuang {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--deep-space-blue) 0%, #1a0a3e 100%);
}

.pd-xinchuang-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pd-xc-category {
    text-align: center;
}

.pd-xc-category h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.pd-xc-category h4 i {
    color: var(--purple-accent);
}

.pd-xc-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.pd-xc-tag {
    padding: 10px 20px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: var(--border-radius-md);
    color: var(--silver-gray);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.pd-xc-tag:hover {
    border-color: var(--purple-accent);
    color: var(--purple-accent);
    transform: translateY(-2px);
}

/* Download Section */
.pd-download {
    padding: var(--spacing-xl) 0;
    background: var(--deep-space-blue);
    text-align: center;
}

.pd-download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.pd-download-card {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(168, 85, 247, 0.15);
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
}

.pd-download-card:hover {
    border-color: var(--purple-accent);
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.3);
}

.pd-dl-icon {
    font-size: 2.5rem;
    color: var(--purple-accent);
    margin-bottom: var(--spacing-sm);
}

.pd-download-card h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.pd-download-card p {
    color: var(--silver-gray);
    font-size: 0.8rem;
}

.pd-download-contact {
    margin-top: var(--spacing-lg);
}

.pd-download-contact p {
    color: var(--silver-gray);
    font-size: 0.95rem;
}

.pd-download-contact a {
    color: var(--purple-accent);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pd-download-contact a:hover {
    color: #c084fc;
    text-decoration: underline;
}

/* Responsive - Tablet */
@media (max-width: 1024px) and (min-width: 769px) {
    .pd-hero-title {
        font-size: 2.5rem;
    }

    .pd-hero-subtitle {
        font-size: 1.1rem;
    }

    .pd-section-title {
        font-size: 2.2rem;
    }

    .pd-scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .pd-security-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pd-synergy-layout {
        gap: var(--spacing-lg);
    }

    .pd-hero {
        padding: var(--spacing-lg) 0;
        padding-top: calc(70px + var(--spacing-lg));
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .pd-hero-title {
        font-size: 2rem;
    }

    .pd-hero-subtitle {
        font-size: 1rem;
        max-width: 90%;
    }

    .pd-section-title {
        font-size: 1.8rem;
    }

    .pd-section-subtitle {
        font-size: 1rem;
        max-width: 90%;
    }

    .pd-scenarios-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .pd-synergy-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .pd-security-grid {
        grid-template-columns: 1fr;
    }

    .pd-download-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }

    .pd-hero {
        padding: var(--spacing-md) 0;
        padding-top: calc(70px + var(--spacing-md));
    }

    .pd-hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .pd-hero-title {
        font-size: 1.7rem;
    }

    .pd-section-title {
        font-size: 1.5rem;
    }

    .pd-btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .pd-xc-tags {
        flex-direction: column;
        align-items: center;
    }
}