/* Global Styles */
:root {
    --primary-color: #6c5ce7;
    --primary-light: #a29bfe;
    --primary-dark: #5442d6;
    --secondary-color: #ff7675;
    --secondary-dark: #e84a5f;
    --light-color: #f8f9fa;
    --dark-color: #0F1222;
    --dark-light: #1d213c;
    --success-color: #00cec9;
    --warning-color: #fdcb6e;
    --danger-color: #e84a5f;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-color) 0%, var(--dark-light) 100%);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-200);
    background-color: var(--dark-color);
    overflow-x: hidden;
}

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

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

ul {
    list-style-type: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-300);
}

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

.section-badge {
    display: inline-block;
    background: rgba(108, 92, 231, 0.2);
    color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-description {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    text-align: center;
    color: var(--gray-400);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-text {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.5);
    color: white;
}

.btn-primary i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: translateX(5px);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: rgba(108, 92, 231, 0.1);
    color: white;
    transform: translateY(-3px);
}

.btn-text {
    background-color: transparent;
    color: white;
    padding: 12px 16px;
}

.btn-text:hover {
    color: var(--primary-light);
}

/* Header and Navigation */
header {
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: /*savepage-url=images/hero-bg.svg*/ url() no-repeat center center;
    background-size: cover;
    opacity: 0.3;
    z-index: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.logo h1 {
    font-size: clamp(1rem, 0.55rem + 2.2vw, 1.8rem);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 0;
    white-space: nowrap;
}

.logo span {
    color: var(--primary-light);
}

.nav-logo-img {
    height: clamp(32px, 6vw, 50px);
    width: auto;
    flex-shrink: 0;
    filter: drop-shadow(0 0 6px rgba(108, 92, 231, 0.5));
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--gray-300);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-links a:hover {
    color: white;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-light);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    padding: 6rem 5% 8rem;
    text-align: center;
    position: relative;
    z-index: 1;
    background: radial-gradient(circle at center, rgba(108, 92, 231, 0.2) 0%, rgba(20, 30, 48, 0) 70%);
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-logo {
    /* 示例上限 500×355；视口变窄时马上等比缩小 */
    width: clamp(220px, 55vw, 500px);
    max-width: 100%;
    height: auto;
    aspect-ratio: 500 / 355;
    object-fit: contain;
    margin: 0 auto 2rem;
    display: block;
    filter: drop-shadow(0 0 15px rgba(108, 92, 231, 0.6));
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(to right, white, var(--primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h2 {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    color: var(--gray-300);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Brands Section */
.brands {
    padding: 2rem 0;
    background-color: rgba(25, 30, 45, 0.5);
}

.brand-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    opacity: 0.6;
}

.brand-logos img {
    height: 30px;
    width: auto;
    filter: grayscale(100%) brightness(200%);
    transition: var(--transition);
}

.brand-logos img:hover {
    opacity: 0.8;
    filter: grayscale(0) brightness(100%);
}

/* Privacy Section */
.privacy {
    padding: 6rem 0;
    background-color: var(--dark-color);
}

.privacy .container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.privacy-content {
    flex: 1;
}

.privacy-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.privacy-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.privacy-features {
    display: grid;
    gap: 1.5rem;
}

.privacy-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--primary-light);
    background: rgba(108, 92, 231, 0.15);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.privacy-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.privacy-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(108, 92, 231, 0.3));
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--dark-light);
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: rgba(40, 45, 60, 0.5);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-align: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, rgba(108, 92, 231, 0.1), rgba(20, 30, 48, 0));
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-card .feature-icon {
    margin: 0 auto 1.5rem;
    width: 4rem;
    height: 4rem;
    font-size: 1.8rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-400);
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background-color: var(--dark-color);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: /*savepage-url=images/hero-bg.svg*/ url() no-repeat center center;
    background-size: cover;
    opacity: 0.05;
    z-index: 0;
}

.testimonials .container {
    position: relative;
    z-index: 1;
}

.testimonials-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
    justify-content: center;
}

.testimonial-card {
    background: rgba(29, 33, 60, 0.8);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    max-width: 350px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content i {
    color: var(--primary-light);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-avatar i {
    font-size: 2.5rem;
    color: var(--gray-400);
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .testimonials-container {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonial-card {
        width: 100%;
        max-width: 100%;
    }
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background-color: var(--dark-light);
    text-align: center;
}

.pricing h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.pricing-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    background-color: rgba(40, 45, 60, 0.5);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.pricing-card.popular {
    transform: scale(1.05);
    z-index: 1;
    border: 2px solid var(--primary-light);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-light);
    color: white;
    padding: 8px 15px;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom-left-radius: var(--border-radius);
}

.pricing-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.price {
    margin-bottom: 1rem;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-light);
}

.period {
    font-size: 1rem;
    color: var(--gray-400);
}

.saving {
    display: inline-block;
    background-color: rgba(108, 92, 231, 0.15);
    color: var(--primary-light);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.pricing-features {
    padding: 2rem;
}

.pricing-features li {
    margin-bottom: 1rem;
    color: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
}

.pricing-features i {
    color: var(--success-color);
    margin-right: 10px;
    flex-shrink: 0;
}

.pricing-card .btn-primary {
    display: block;
    margin: 0 2rem 2rem;
    width: calc(100% - 4rem);
}

/* Usage Steps Section */
.usage {
    padding: 6rem 0;
    background-color: var(--dark-color);
    text-align: center;
}

.usage h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.step {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step p {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
}

.step img {
    width: 80%;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 5px 15px rgba(108, 92, 231, 0.3));
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background-color: var(--dark-light);
    text-align: center;
}

.faq h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: rgba(40, 45, 60, 0.5);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0;
}

.toggle-icon {
    color: var(--primary-light);
    transition: var(--transition);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 300px;
}

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

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: /*savepage-url=images/hero-bg.svg*/ url() no-repeat center center;
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.8);
}

.cta .btn-primary {
    background-color: white;
    color: var(--primary-dark);
}

.cta .btn-primary:hover {
    background-color: var(--gray-100);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--gray-400);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    flex: 2;
    min-width: 300px;
}

.footer-logo-img {
    max-width: 140px;
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 8px rgba(108, 92, 231, 0.4));
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: var(--primary-light);
}

.footer-logo p {
    max-width: 400px;
}

.footer-links {
    flex: 3;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.link-group {
    min-width: 150px;
    margin-bottom: 2rem;
}

.link-group h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

.link-group ul li {
    margin-bottom: 0.8rem;
}

.link-group a {
    color: var(--gray-400);
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary-light);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .privacy .container {
        flex-direction: column;
        gap: 3rem;
    }

    .privacy-image {
        order: -1;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 5%;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 3rem 5% 5rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        margin-top: 1rem;
    }

    .hero-content h2 {
        font-size: 1.1rem;
        margin: 1rem 0 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .hero-badge {
        margin-bottom: 1rem;
    }
    
    .brand-logos {
        flex-wrap: wrap;
        justify-content: center;
    }

    .features h2,
    .privacy-content h2,
    .pricing h2,
    .usage h2,
    .faq h2,
    .cta-content h2 {
        font-size: 2rem;
    }

    .dashboard-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding: 1rem 0;
    }

    .menu-item {
        padding: 0.8rem 1rem;
    }
}

@media (max-width: 576px) {
    /* Logo and header spacing */
    nav {
        padding: 1rem 3%;
        gap: 0.5rem;
    }
    
    .logo {
        gap: 0.25rem;
    }
    
    .nav-buttons {
        gap: 0.35rem;
        margin-left: auto;
    }
    
    .nav-buttons .btn-primary {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .nav-buttons .btn-primary i {
        display: none;
    }
    
    .btn-text {
        padding: 8px 8px;
        font-size: 0.85rem;
    }

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

    .features h2,
    .privacy-content h2,
    .pricing h2,
    .usage h2,
    .faq h2,
    .cta-content h2 {
        font-size: 1.8rem;
    }

    .feature-card,
    .pricing-card,
    .step {
        min-width: 100%;
    }

    .brand-logos {
        gap: 1.5rem;
    }

    .brand-logos img {
        height: 20px;
    }
    
    /* Improve hero content on small devices */
    .hero-content {
        padding: 1rem 0;
    }
    
    .hero-content img.hero-logo {
        margin-bottom: 1rem;
    }
}

/* Extra small devices */
@media (max-width: 400px) {
    .btn-text {
        display: none;
    }
    
    .nav-buttons .btn-primary {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}

/* JavaScript-related styles */

/* Scrolled navbar styles */
nav.scrolled {
    background: rgba(15, 18, 34, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.5);
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    color: var(--dark-color);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(400px);
    transition: all 0.3s ease;
    z-index: 1000;
    max-width: 350px;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: var(--success-color);
    color: white;
}

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

.close-notification {
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.close-notification:hover {
    opacity: 1;
}

/* Tooltip styles */
.tooltip {
    position: absolute;
    background: var(--dark-color);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(5px);
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--dark-color);
}

.tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Animation classes */
.animate {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced mobile styles */
@media (max-width: 768px) {
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }

    .notification {
        max-width: 280px;
        right: 10px;
        top: 10px;
    }
} 
/* CherryCloud tweaks */
.nav-logo-img {
    height: clamp(32px, 6vw, 44px);
    border-radius: 10px;
}
.author-avatar i.fa-user-circle {
    font-size: 2.5rem;
    color: var(--primary-light);
}