/* Reset & Global */
:root {
    --primary-color: #0099ff;
    --secondary-color: #ff6666;
    --dark-bg: #0f0f12;
    --card-bg: #1a1a20;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --accent-glow: 0 0 15px rgba(0, 153, 255, 0.4);
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(45deg, #fff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 18, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 70px;
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 3px 0;
    transition: 0.4s;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at top right, rgba(0, 153, 255, 0.1), transparent 40%);
    padding-top: 70px; /* Offset for fixed navbar */
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
}

.hero-text .highlight {
    color: var(--primary-color);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.primary-btn {
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--accent-glow);
}

.primary-btn:hover {
    background: #007acc;
}

.secondary-btn {
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
}

.secondary-btn:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
}

.hero-image img {
    max-width: 100%;
    display: block;
    border-radius: 10px;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* Adjusted min-width for more cards */
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255,255,255,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border-color: var(--primary-color);
}

.feature-card .icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 2.5rem;
}

.feature-card .icon svg,
.feature-card .icon img {
    width: 100%;
    height: 100%;
    fill: currentColor;
    /* 使用CSS filter将黑色SVG转为主题蓝色 */
    filter: invert(44%) sepia(99%) saturate(1633%) hue-rotate(187deg) brightness(100%) contrast(101%) drop-shadow(0 0 8px rgba(0, 153, 255, 0.5));
}

/* 列表中的勾选图标 */
.list-check {
    width: 18px;
    height: 18px;
    vertical-align: middle;
    margin-right: 8px;
    filter: invert(66%) sepia(61%) saturate(464%) hue-rotate(85deg) brightness(88%) contrast(85%);
}

/* 部分支持样式 */
.partial {
    color: #f0ad4e;
    font-weight: 600;
}

.table-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
}

.check-icon {
    filter: invert(66%) sepia(61%) saturate(464%) hue-rotate(85deg) brightness(88%) contrast(85%); /* Greenish */
}

.close-icon {
    filter: invert(53%) sepia(35%) saturate(3015%) hue-rotate(320deg) brightness(101%) contrast(101%); /* Reddish */
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #fff;
}

/* Plugins Section */
.plugins-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.plugin-category {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.plugin-category h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags span {
    background: rgba(0, 153, 255, 0.1);
    color: #e0e0e0;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 153, 255, 0.2);
    transition: all 0.2s;
}

.tags span:hover {
    background: rgba(0, 153, 255, 0.3);
    transform: scale(1.05);
}

.plugin-note {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 20px;
    font-style: italic;
}

/* Ecosystem Section */
.dark-bg {
    background-color: #151518;
}

.row {
    display: flex;
    align-items: center;
    gap: 50px;
}

.col-text {
    flex: 1;
}

.col-image {
    flex: 1.2;
}

.col-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.tilt-effect {
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s;
}

.tilt-effect:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Reverse Row for Alternating Sections */
.reverse-row {
    flex-direction: row-reverse;
}

/* Mobile Frame Mockup */
.mobile-frame-wrapper {
    display: flex;
    justify-content: center;
}

.mobile-frame {
    width: 300px; /* Approximate mobile width */
    height: auto;
    border: 8px solid #333;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    background: #000;
}

.mobile-frame img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: none; /* Reset distinct shadow as frame provides it */
}

/* Service Cards */
.service-card {
    text-align: center;
    border: 1px solid rgba(0, 153, 255, 0.2);
    background: linear-gradient(145deg, #1a1a20, #222228);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card .icon {
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-card:hover {
    background: linear-gradient(145deg, #222228, #1a1a20);
    border-color: var(--primary-color);
}

.service-list {
    text-align: left;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.service-list li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-size: 1.2em;
    line-height: 1;
}

.small-btn {
    padding: 8px 20px;
    font-size: 0.9rem;
    margin-top: 10px;
    display: inline-block;
}

/* Leaderboard */
.leaderboard-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.browser-mockup {
    width: 90%;
    max-width: 1000px;
    background: #2a2a30;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.browser-header {
    background: #202025;
    padding: 10px 15px;
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.browser-content img {
    width: 100%;
    display: block;
}

.leaderboard-info ul {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.leaderboard-info li {
    font-size: 1.2rem;
}

.leaderboard-info .check {
    color: var(--secondary-color);
    margin-right: 5px;
}

/* Pricing Table */
.table-container {
    overflow-x: auto;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.pricing-table th, .pricing-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.pricing-table th {
    background: #202025;
    color: #fff;
    font-weight: 600;
}

.pricing-table th:first-child {
    text-align: left;
    width: 250px;
}

.pricing-table tr:hover {
    background: rgba(255,255,255,0.02);
}

.pricing-table .category {
    background: rgba(0, 153, 255, 0.1);
    color: var(--primary-color);
    font-weight: bold;
    text-align: left;
    padding-left: 20px;
}

.price {
    display: block;
    margin-top: 5px;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.note {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Contact */
.contact-container {
    display: flex;
    justify-content: center;
}

.contact-card {
    background: linear-gradient(135deg, #1a1a20, #25252b);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    max-width: 600px;
    width: 100%;
}

.contact-card h2 {
    margin-bottom: 15px;
    color: #fff;
}

.contact-info {
    margin: 30px 0;
    font-size: 1.5rem;
    background: rgba(0,0,0,0.2);
    padding: 15px;
    border-radius: 10px;
    display: inline-block;
}

.contact-info .value {
    color: var(--primary-color);
    font-weight: bold;
    cursor: pointer;
}

/* Footer */
footer {
    background: #000;
    padding: 30px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 15, 18, 0.95);
        width: 100%;
        text-align: center;
        padding: 40px 0;
        transition: 0.3s;
    }

    .nav-links.active {
        right: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        padding-top: 20px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        margin: 0 auto 30px;
    }

    .cta-buttons {
        justify-content: center;
    }
    
    .row {
        flex-direction: column;
    }
    
    .reverse-row {
        flex-direction: column;
    }

    .tilt-effect {
        transform: none;
    }
}

/* =====================================================
   Free Edition Section
   ===================================================== */
.free-edition-section {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.1) 0%, rgba(0, 0, 0, 0) 50%);
}

.free-edition-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    border: 1px solid rgba(0, 153, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.free-edition-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #00d4ff);
}

.free-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #00d4ff, var(--primary-color));
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0, 153, 255, 0.4);
}

.free-edition-card h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #fff;
}

.free-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.free-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.free-desc p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.free-features {
    margin-top: 20px;
}

.free-features li {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.free-features li:last-child {
    border-bottom: none;
}

.download-box {
    background: rgba(0, 153, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0, 153, 255, 0.2);
}

.download-box h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #fff;
}

.download-box > p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.download-btn .btn-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.windows-btn {
    background: linear-gradient(135deg, #0078d4, #00bcf2);
    color: #fff;
}

.windows-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 120, 212, 0.4);
}

.linux-btn {
    background: linear-gradient(135deg, #ff6600, #ffcc00);
    color: #000;
}

.linux-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 102, 0, 0.4);
}

.download-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 15px;
}

/* Platform Badges */
.platform-badges {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-icon {
    width: 16px;
    height: 16px;
    filter: invert(44%) sepia(99%) saturate(1633%) hue-rotate(187deg) brightness(100%) contrast(101%);
}

/* Highlight version column in pricing table */
.highlight-version {
    background: rgba(0, 153, 255, 0.15) !important;
    border-left: 2px solid var(--primary-color);
    border-right: 2px solid var(--primary-color);
}

.highlight-cell {
    background: rgba(0, 153, 255, 0.08);
}

/* Responsive for free edition */
@media (max-width: 768px) {
    .free-content {
        grid-template-columns: 1fr;
    }
    
    .free-edition-card {
        padding: 30px 20px;
    }
    
    .free-badge {
        position: relative;
        top: 0;
        right: 0;
        display: inline-block;
        margin-bottom: 20px;
    }
    
    .platform-badges {
        justify-content: center;
    }
}

/* =====================================================
   Download Modal Styles
   ===================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: linear-gradient(135deg, #1a1a22 0%, #12121a 100%);
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    border: 1px solid rgba(0, 153, 255, 0.3);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 153, 255, 0.15);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.modal-close:hover {
    color: #fff;
}

.modal-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: #fff;
}

.modal-icon {
    width: 28px;
    height: 28px;
    filter: invert(44%) sepia(99%) saturate(1633%) hue-rotate(187deg) brightness(100%) contrast(101%);
}

.modal-subtitle {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.modal-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.modal-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-tab:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.modal-tab.active {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.2), rgba(0, 153, 255, 0.1));
    border-color: var(--primary-color);
    color: #fff;
}

.tab-icon {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(0.6);
    transition: filter 0.3s ease;
}

.modal-tab:hover .tab-icon,
.modal-tab.active .tab-icon {
    filter: invert(44%) sepia(99%) saturate(1633%) hue-rotate(187deg) brightness(100%) contrast(101%);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    color: #fff;
    font-weight: 500;
}

.form-group input {
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 153, 255, 0.2);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.modal-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 30px;
    background: linear-gradient(135deg, var(--primary-color), #0077cc);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    text-decoration: none;
}

.modal-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 153, 255, 0.4);
    color: #fff;
}

.modal-download-btn .btn-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

/* Download Link Box */
.download-link-box {
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
}

.download-link {
    color: var(--primary-color);
    word-break: break-all;
    font-size: 0.9rem;
}

.download-link:hover {
    text-decoration: underline;
}

/* Password Box */
.password-box {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}

.password-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 3px;
    flex: 1;
}

.copy-btn {
    padding: 8px 16px;
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: #0077cc;
}

/* Modal Responsive */
@media (max-width: 480px) {
    .modal-content {
        padding: 25px 20px;
    }
    
    .modal-tabs {
        flex-direction: column;
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
}

/* =====================================================
   Activity Section - High Active Project
   ===================================================== */
.activity-section {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.05) 0%, transparent 50%, rgba(255, 102, 102, 0.03) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.activity-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.activity-content.activity-centered {
    grid-template-columns: 1fr;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.activity-centered .activity-stats {
    justify-content: center;
}

.activity-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ff6600, #ff3300);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    animation: pulse-glow 2s ease-in-out infinite;
}

.badge-icon-small {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(255, 102, 0, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(255, 102, 0, 0.6);
    }
}

.activity-info h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #fff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.activity-info p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.activity-info p strong {
    color: var(--primary-color);
}

.activity-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.activity-stat {
    text-align: center;
    padding: 20px 25px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.activity-stat .stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.activity-stat .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.activity-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.activity-btn .btn-icon {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
}

/* Timeline */
.activity-timeline {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.timeline-item {
    position: relative;
    padding: 20px 25px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--primary-color);
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(5px);
    border-color: rgba(0, 153, 255, 0.3);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.timeline-item:nth-child(2) {
    border-left-color: #00cc88;
}

.timeline-item:nth-child(3) {
    border-left-color: #ffaa00;
}

.timeline-item:nth-child(4) {
    border-left-color: #ff6666;
}

.timeline-version {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-right: 15px;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.timeline-item p {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Nav Highlight */
.nav-highlight {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.nav-highlight::after {
    content: '🔥';
    font-size: 0.7rem;
    margin-left: 4px;
}

/* Activity Section Responsive */
@media (max-width: 900px) {
    .activity-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .activity-stats {
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .activity-info h2 {
        font-size: 1.8rem;
    }
    
    .activity-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .activity-stat {
        width: 100%;
        max-width: 200px;
    }
}