/* ============================================
   影视AI实验室 - Neural Network Tech Style
   CSS Prefix: neural-
   ============================================ */

/* ---- Google Fonts Local Fallback ---- */
@font-face {
    font-family: 'Inter Tight';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: local('Inter Tight Light');
}
@font-face {
    font-family: 'Inter Tight';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter Tight Regular');
}
@font-face {
    font-family: 'Inter Tight';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Inter Tight SemiBold');
}
@font-face {
    font-family: 'Inter Tight';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Inter Tight Bold');
}

/* ---- CSS Variables ---- */
:root {
    --neural-primary: #0A0F2C;
    --neural-secondary: #8A2BE2;
    --neural-accent: #4D00B0;
    --neural-text: #E0E0E0;
    --neural-link: #BE77FF;
    --neural-gradient: linear-gradient(135deg, #8A2BE2, #4D00B0);
    --neural-glass: rgba(10, 15, 44, 0.75);
    --neural-glass-border: rgba(138, 43, 226, 0.25);
    --neural-card-bg: rgba(20, 25, 60, 0.6);
    --neural-font: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--neural-font);
    background-color: var(--neural-primary);
    color: var(--neural-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: #d4a5ff;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--neural-font);
    font-weight: 700;
    line-height: 1.3;
    color: #ffffff;
}

/* ---- Jammer Block (Hidden) ---- */
.synth-jammer-block {
    display: none !important;
}

/* ---- Neural Canvas Background ---- */
#neural-canvas-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.35;
}

/* ---- Navigation ---- */
.neural-nav {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--neural-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--neural-glass-border);
    z-index: 1000;
    transition: background 0.3s ease;
}

.neural-nav-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.neural-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.neural-logo-icon {
    width: 40px;
    height: 40px;
    position: relative;
}

.neural-logo-icon svg {
    width: 100%;
    height: 100%;
}

.sp-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--neural-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.neural-nav-links {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.neural-nav-links li a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--neural-text);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.neural-nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--neural-gradient);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.neural-nav-links li a:hover {
    color: #ffffff;
}

.neural-nav-links li a:hover::after {
    width: 80%;
}

.neural-nav-links li a.neural-active {
    color: #ffffff;
}

.neural-nav-links li a.neural-active::after {
    width: 80%;
}

/* Hamburger Menu */
.neural-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1100;
}

.neural-hamburger span {
    width: 28px;
    height: 2px;
    background: var(--neural-text);
    transition: all 0.3s ease;
    border-radius: 1px;
}

.neural-hamburger.neural-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.neural-hamburger.neural-open span:nth-child(2) {
    opacity: 0;
}

.neural-hamburger.neural-open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.neural-mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--neural-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid var(--neural-glass-border);
    padding: 5rem 2rem 2rem;
    transition: right 0.4s ease;
    z-index: 1050;
    overflow-y: auto;
}

.neural-mobile-menu.neural-open {
    right: 0;
}

.neural-mobile-menu ul {
    list-style: none;
}

.neural-mobile-menu ul li {
    margin-bottom: 0.5rem;
}

.neural-mobile-menu ul li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--neural-text);
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.neural-mobile-menu ul li a:hover {
    background: rgba(138, 43, 226, 0.15);
    color: #ffffff;
}

.neural-mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.neural-mobile-overlay.neural-open {
    opacity: 1;
}

/* ---- Hero Section ---- */
.neural-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
    overflow: hidden;
}

.neural-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: 0;
}

.neural-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10,15,44,0.3) 0%, rgba(10,15,44,0.85) 100%);
    z-index: 1;
}

.neural-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.neural-hero-terminal {
    font-family: 'Courier New', monospace;
    color: var(--neural-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.neural-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #BE77FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.neural-hero-desc {
    font-size: 1.15rem;
    color: var(--neural-text);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

/* ---- Buttons ---- */
.neural-btn {
    display: inline-block;
    padding: 0.85rem 2.5rem;
    background: var(--neural-gradient);
    color: #ffffff;
    font-family: var(--neural-font);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.neural-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.neural-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(138, 43, 226, 0.4);
    color: #ffffff;
}

.neural-btn:hover::before {
    left: 100%;
}

.neural-btn-outline {
    background: transparent;
    border: 2px solid var(--neural-secondary);
    color: var(--neural-link);
}

.neural-btn-outline:hover {
    background: var(--neural-gradient);
    color: #ffffff;
    border-color: transparent;
}

/* ---- Section Common ---- */
.neural-section {
    padding: 5rem 2rem;
    max-width: 1440px;
    margin: 0 auto;
}

.neural-section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.neural-section-terminal {
    font-family: 'Courier New', monospace;
    color: var(--neural-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.neural-section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.neural-section-header p {
    font-size: 1.05rem;
    max-width: 700px;
    margin: 0 auto;
    color: rgba(224, 224, 224, 0.8);
}

/* ---- Cards Grid ---- */
.neural-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.neural-card {
    background: var(--neural-card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--neural-glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.neural-card:hover {
    transform: translateY(-8px);
    border-color: var(--neural-secondary);
    box-shadow: 0 20px 60px rgba(138, 43, 226, 0.2);
}

.neural-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.neural-card-body {
    padding: 1.5rem;
}

.neural-card-body h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.neural-card-body p {
    font-size: 0.95rem;
    color: rgba(224, 224, 224, 0.7);
    line-height: 1.6;
}

.neural-card-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(138, 43, 226, 0.2);
    color: var(--neural-link);
    font-size: 0.8rem;
    border-radius: 20px;
    margin-top: 1rem;
}

/* ---- Masonry Gallery ---- */
.neural-masonry {
    columns: 3;
    column-gap: 1.5rem;
}

.neural-masonry-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.neural-masonry-item img {
    width: 100%;
    transition: transform 0.5s ease;
}

.neural-masonry-item:hover img {
    transform: scale(1.05);
}

.neural-masonry-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(10, 15, 44, 0.9));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.neural-masonry-item:hover .neural-masonry-overlay {
    opacity: 1;
}

/* ---- Pricing ---- */
.neural-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: stretch;
}

.neural-pricing-card {
    background: var(--neural-card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--neural-glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
}

.neural-pricing-card.neural-featured {
    border-color: var(--neural-secondary);
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(138, 43, 226, 0.2);
}

.neural-pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--neural-gradient);
    color: #fff;
    padding: 0.3rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.neural-pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.neural-pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin: 1rem 0;
}

.neural-pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--neural-text);
}

.neural-pricing-features {
    list-style: none;
    margin: 1.5rem 0 2rem;
    text-align: left;
}

.neural-pricing-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(138, 43, 226, 0.1);
    font-size: 0.95rem;
    color: rgba(224, 224, 224, 0.8);
}

.neural-pricing-features li::before {
    content: '✦ ';
    color: var(--neural-secondary);
}

/* ---- Partners Logo Wall ---- */
.neural-partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

.neural-partner-item {
    background: var(--neural-card-bg);
    border: 1px solid var(--neural-glass-border);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    text-align: center;
    width: 100%;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(224, 224, 224, 0.6);
}

.neural-partner-item:hover {
    border-color: var(--neural-secondary);
    color: var(--neural-link);
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.15);
}

/* ---- Contact Form ---- */
.neural-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.neural-form-group {
    margin-bottom: 1.5rem;
}

.neural-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--neural-text);
    font-weight: 500;
}

.neural-input,
.neural-textarea {
    width: 100%;
    padding: 0.85rem 1.25rem;
    background: rgba(20, 25, 60, 0.6);
    border: 1px solid var(--neural-glass-border);
    border-radius: 12px;
    color: #ffffff;
    font-family: var(--neural-font);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.neural-input:focus,
.neural-textarea:focus {
    outline: none;
    border-color: var(--neural-secondary);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.2);
}

.neural-textarea {
    min-height: 150px;
    resize: vertical;
}

.neural-contact-info {
    padding: 2rem;
}

.neural-contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.neural-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.neural-contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(138, 43, 226, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neural-secondary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ---- Footer ---- */
.neural-footer {
    background: rgba(5, 8, 20, 0.9);
    border-top: 1px solid var(--neural-glass-border);
    padding: 4rem 2rem 2rem;
}

.neural-footer-inner {
    max-width: 1440px;
    margin: 0 auto;
}

.neural-footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.neural-footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: #ffffff;
}

.neural-footer-col ul {
    list-style: none;
}

.neural-footer-col ul li {
    margin-bottom: 0.6rem;
}

.neural-footer-col ul li a {
    color: rgba(224, 224, 224, 0.6);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.neural-footer-col ul li a:hover {
    color: var(--neural-link);
}

.neural-footer-bottom {
    border-top: 1px solid rgba(138, 43, 226, 0.15);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.5);
    line-height: 2;
}

.neural-footer-bottom a {
    color: rgba(224, 224, 224, 0.5);
}

.neural-footer-bottom a:hover {
    color: var(--neural-link);
}

.neural-footer-honor {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.5rem 0;
    color: rgba(224, 224, 224, 0.6);
}

.neural-footer-honor svg {
    width: 18px;
    height: 18px;
    fill: var(--neural-secondary);
}

/* ---- Page Hero (Inner Pages) ---- */
.neural-page-hero {
    position: relative;
    padding: 8rem 2rem 4rem;
    text-align: center;
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neural-page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.neural-page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10,15,44,0.4) 0%, rgba(10,15,44,0.95) 100%);
}

.neural-page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.neural-page-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.neural-page-hero p {
    font-size: 1.1rem;
    color: rgba(224, 224, 224, 0.8);
    line-height: 1.8;
}

/* ---- Article Content ---- */
.neural-article {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.neural-article h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
}

.neural-article h3 {
    font-size: 1.4rem;
    margin: 2rem 0 0.75rem;
}

.neural-article p {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.9;
}

.neural-article img {
    border-radius: 12px;
    margin: 2rem 0;
    border: 1px solid var(--neural-glass-border);
}

.neural-article pre {
    background: rgba(20, 25, 60, 0.8);
    border: 1px solid var(--neural-glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.neural-article code {
    font-family: 'Courier New', monospace;
    color: var(--neural-link);
}

/* ---- Generator Page ---- */
.neural-generator {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.neural-generator-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.neural-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(224, 224, 224, 0.5);
    font-weight: 600;
    transition: color 0.3s ease;
}

.neural-step.neural-step-active {
    color: #ffffff;
}

.neural-step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(138, 43, 226, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.neural-step-active .neural-step-num {
    background: var(--neural-gradient);
    border-color: transparent;
    color: #ffffff;
}

.neural-step-connector {
    width: 60px;
    height: 2px;
    background: rgba(138, 43, 226, 0.2);
}

.neural-upload-zone {
    border: 2px dashed var(--neural-glass-border);
    border-radius: 20px;
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--neural-card-bg);
    margin-bottom: 2rem;
}

.neural-upload-zone:hover {
    border-color: var(--neural-secondary);
    background: rgba(138, 43, 226, 0.05);
}

.neural-upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--neural-secondary);
}

.neural-styles-scroll {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem 0;
    margin-bottom: 2rem;
    scrollbar-width: thin;
    scrollbar-color: var(--neural-secondary) transparent;
}

.neural-styles-scroll::-webkit-scrollbar {
    height: 4px;
}

.neural-styles-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.neural-styles-scroll::-webkit-scrollbar-thumb {
    background: var(--neural-secondary);
    border-radius: 2px;
}

.neural-style-capsule {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    background: var(--neural-card-bg);
    border: 2px solid var(--neural-glass-border);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--neural-text);
    font-size: 0.9rem;
}

.neural-style-capsule:hover,
.neural-style-capsule.neural-selected {
    border-color: var(--neural-secondary);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.3);
    color: #ffffff;
}

.neural-style-thumb {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.neural-generate-btn {
    display: block;
    width: 200px;
    margin: 2rem auto;
    padding: 1rem;
    text-align: center;
}

.neural-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(138, 43, 226, 0.15);
    border-radius: 2px;
    overflow: hidden;
    margin: 1rem 0;
    display: none;
}

.neural-progress-fill {
    height: 100%;
    background: var(--neural-gradient);
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 2px;
}

.neural-status-text {
    text-align: center;
    font-family: 'Courier New', monospace;
    color: var(--neural-secondary);
    font-size: 0.9rem;
    min-height: 1.5em;
}

.neural-result-area {
    display: none;
    margin-top: 2rem;
}

.neural-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.neural-comparison-panel {
    background: var(--neural-card-bg);
    border: 1px solid var(--neural-glass-border);
    border-radius: 16px;
    overflow: hidden;
}

.neural-comparison-label {
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--neural-glass-border);
}

.neural-comparison-panel img {
    width: 100%;
    display: block;
}

/* ---- APP Download Page ---- */
.neural-app-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 6rem 2rem;
}

.neural-app-qr {
    width: 250px;
    height: 250px;
    margin: 2rem auto;
    background: var(--neural-card-bg);
    border: 2px solid var(--neural-glass-border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.neural-app-qr canvas {
    border-radius: 12px;
}

.neural-app-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.neural-app-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 2rem;
    background: var(--neural-card-bg);
    border: 1px solid var(--neural-glass-border);
    border-radius: 12px;
    color: var(--neural-text);
    transition: all 0.3s ease;
    text-decoration: none;
}

.neural-app-btn:hover {
    border-color: var(--neural-secondary);
    color: #ffffff;
    box-shadow: 0 0 30px rgba(138, 43, 226, 0.2);
}

.neural-app-btn-icon {
    font-size: 1.5rem;
}

.neural-app-btn-text small {
    display: block;
    font-size: 0.75rem;
    opacity: 0.7;
}

.neural-app-btn-text strong {
    font-size: 1rem;
}

/* ---- Content List (Inner Pages) ---- */
.neural-content-list {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.neural-content-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    background: var(--neural-card-bg);
    border: 1px solid var(--neural-glass-border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.neural-content-item:hover {
    border-color: var(--neural-secondary);
    box-shadow: 0 10px 40px rgba(138, 43, 226, 0.15);
}

.neural-content-thumb {
    width: 100%;
    height: 100%;
    min-height: 200px;
    object-fit: cover;
}

.neural-content-body {
    padding: 1.5rem 1.5rem 1.5rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.neural-content-body h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.neural-content-body p {
    color: rgba(224, 224, 224, 0.7);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.neural-content-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.5);
}

/* ---- Responsive ---- */
@media (max-width: 1440px) {
    .neural-section {
        max-width: 1200px;
    }
}

@media (max-width: 1024px) {
    .neural-hero h1 {
        font-size: 2.8rem;
    }

    .neural-pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .neural-pricing-card.neural-featured {
        transform: none;
    }

    .neural-contact-grid {
        grid-template-columns: 1fr;
    }

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

    .neural-masonry {
        columns: 2;
    }

    .neural-content-item {
        grid-template-columns: 250px 1fr;
    }
}

@media (max-width: 768px) {
    .neural-nav-links {
        display: none;
    }

    .neural-hamburger {
        display: flex;
    }

    .neural-mobile-menu {
        display: block;
    }

    .neural-hero h1 {
        font-size: 2.2rem;
    }

    .neural-hero-desc {
        font-size: 1rem;
    }

    .neural-section-header h2 {
        font-size: 2rem;
    }

    .neural-page-hero h1 {
        font-size: 2rem;
    }

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

    .neural-masonry {
        columns: 1;
    }

    .neural-footer-grid {
        grid-template-columns: 1fr;
    }

    .neural-content-item {
        grid-template-columns: 1fr;
    }

    .neural-content-thumb {
        height: 200px;
    }

    .neural-content-body {
        padding: 1.5rem;
    }

    .neural-comparison {
        grid-template-columns: 1fr;
    }

    .neural-generator-steps {
        flex-direction: column;
        align-items: center;
    }

    .neural-step-connector {
        width: 2px;
        height: 30px;
    }

    .neural-page-hero {
        padding: 6rem 1.5rem 3rem;
        min-height: 300px;
    }
}

@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .neural-hero h1 {
        font-size: 1.8rem;
    }

    .neural-section {
        padding: 3rem 1rem;
    }

    .neural-nav {
        padding: 0.75rem 1rem;
    }

    .sp-logo-text {
        font-size: 1rem;
    }
}

/* ---- Animations ---- */
@keyframes neural-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes neural-pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.neural-animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.neural-animate-in.neural-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Utility ---- */
.neural-text-center {
    text-align: center;
}

.neural-mt-2 {
    margin-top: 2rem;
}

.neural-mb-2 {
    margin-bottom: 2rem;
}

.neural-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2rem;
}