:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #06b6d4;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 20px;
}

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

.user-auth-links {
    display: flex;
    gap: 8px !important;
    align-items: center;
    margin-left: 8px;
}

.user-auth-links .auth-link {
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 13px !important;
    font-weight: 600 !important;
}

.user-auth-links .auth-link::after {
    display: none;
}

.user-auth-links #loginLink {
    color: var(--primary) !important;
    border: 1px solid var(--primary);
}

.user-auth-links #loginLink:hover {
    background: var(--primary);
    color: #fff !important;
}

.user-auth-links .auth-link-register {
    background: var(--primary);
    color: #fff !important;
}

.user-auth-links .auth-link-register:hover {
    background: var(--primary-dark);
}

.user-auth-links .auth-link-user {
    color: var(--primary) !important;
}

.user-auth-links .auth-link-logout {
    color: var(--text-muted) !important;
    font-size: 12px !important;
}

.user-auth-links .auth-link-logout:hover {
    color: #dc2626 !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ecfeff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--bg-dark);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 22px;
    color: var(--primary);
    font-weight: 600;
    margin-top: 12px;
}

.hero-trial {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.trial-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    background: linear-gradient(135deg, #eff6ff, #f0fdf4);
    border: 1px solid #bfdbfe;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
}

.hero-desc {
    font-size: 17px;
    color: var(--text-light);
    margin-top: 20px;
    line-height: 1.7;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 36px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.meeting-panel {
    width: 100%;
    max-width: 480px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.06);
}

.panel-header {
    padding: 14px 18px;
    background: linear-gradient(135deg, #1e3a5f, #2563eb);
    color: #fff;
}

.panel-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.panel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.panel-dot--red { background: #ff5f57; }
.panel-dot--yellow { background: #ffbd2e; }
.panel-dot--green { background: #28c840; }

.panel-name {
    font-size: 13px;
    font-weight: 600;
    margin-left: 6px;
    opacity: 0.9;
}

.panel-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-live {
    font-size: 11px;
    color: #86efac;
    animation: pulse-live 2s ease-in-out infinite;
}

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

.status-time {
    font-size: 12px;
    font-family: 'Courier New', monospace;
    opacity: 0.7;
}

.panel-body {
    padding: 18px 20px;
    min-height: 300px;
    background: #fafbfc;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.transcript-line {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.transcript-line.visible {
    opacity: 1;
    transform: translateY(0);
}

.speaker {
    flex-shrink: 0;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    line-height: 1.6;
}

.speaker-1 { background: linear-gradient(135deg, #2563eb, #3b82f6); }
.speaker-2 { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.speaker-3 { background: linear-gradient(135deg, #059669, #34d399); }
.speaker-4 { background: linear-gradient(135deg, #d97706, #fbbf24); color: #78350f; }

.text {
    font-size: 13.5px;
    line-height: 1.65;
    color: #334155;
}

.text-typing {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 500;
}

.typing-cursor {
    animation: blink-cursor 0.8s step-end infinite;
    font-weight: 400;
    margin-left: 2px;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.panel-footer {
    padding: 12px 18px;
    background: #f1f5f9;
    border-top: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wave-mini {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 22px;
}

.wave-bar-mini {
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 2px;
    animation: wave-mini 1s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.08s);
}

@keyframes wave-mini {
    0%, 100% { height: 6px; }
    50% { height: 18px; }
}

.panel-hint {
    font-size: 11px;
    color: #94a3b8;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tag {
    padding: 8px 16px;
    background: rgba(255,255,255,0.8);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--bg-dark);
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 17px;
    color: var(--text-light);
    margin-top: 12px;
}

.showcase {
    padding: 100px 0;
    background: var(--bg-alt);
}

.showcase-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
}

.showcase-item {
    text-align: center;
    flex: 1;
    max-width: 640px;
}

.showcase-label {
    display: inline-block;
    padding: 6px 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-radius: 20px;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
}

.showcase-img {
    width: 100%;
    max-width: 560px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.showcase-img:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 40px -10px rgba(0,0,0,0.2);
}

.showcase-mobile .showcase-img {
    max-width: 280px;
}

.showcase-desc {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .showcase-grid {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    .showcase-item {
        max-width: 100%;
    }
    .showcase-pc .showcase-img {
        max-width: 100%;
    }
    .showcase-mobile .showcase-img {
        max-width: 220px;
    }
}

.features {
    padding: 100px 0;
    background: var(--bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--bg-dark);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
    flex: 1;
}

.deployment {
    padding: 100px 0;
    background: var(--bg-alt);
}

.deploy-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.deploy-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.deploy-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.deploy-card--local {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.deploy-card--local:hover {
    box-shadow: var(--shadow-xl);
}

.deploy-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.deploy-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 8px;
}

.deploy-price {
    font-size: 16px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 24px;
}

.deploy-list {
    list-style: none;
    flex: 1;
    margin-bottom: 28px;
}

.deploy-list li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px solid var(--bg-alt);
}

.deploy-list li:last-child {
    border-bottom: none;
}

.requirements {
    padding: 100px 0;
    background: var(--bg);
}

.req-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.req-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.req-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.req-card--server {
    border-color: var(--primary);
    border-width: 2px;
}

.req-header {
    padding: 20px 24px;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.req-card--server .req-header {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.req-card--server .req-header h3,
.req-card--server .req-header .req-icon {
    color: #fff;
}

.req-icon {
    font-size: 24px;
}

.req-header h3 {
    font-size: 16px;
    font-weight: 600;
    flex: 1;
}

.req-badge {
    padding: 3px 10px;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.req-card--server .req-badge {
    background: rgba(255,255,255,0.25);
}

.req-body {
    padding: 20px 24px;
}

.req-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
}

.req-row:last-of-type {
    border-bottom: none;
}

.req-label {
    font-size: 14px;
    color: var(--text-light);
    min-width: 60px;
}

.req-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    text-align: right;
}

.req-note {
    margin-top: 12px;
    padding: 10px 12px;
    background: #f0fdf4;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: #166534;
}

.req-card--server .req-note {
    background: #eff6ff;
    color: #1e40af;
}

@media (max-width: 768px) {
    .req-grid {
        grid-template-columns: 1fr;
    }
}

.oem {
    padding: 100px 0;
    background: var(--bg-alt);
}

.oem-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.oem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.oem-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
}

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

.oem-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.oem-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.oem-card ul {
    list-style: none;
    padding: 0;
}

.oem-card li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.oem-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.oem-cta {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #eff6ff, #f0fdf4);
    border-radius: var(--radius);
}

.oem-cta p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 20px;
}

@media (max-width: 768px) {
    .oem-grid {
        grid-template-columns: 1fr;
    }
}

.scenarios {
    padding: 100px 0;
    background: var(--bg);
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.scenario-item {
    padding: 36px 28px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    transition: var(--transition);
}

.scenario-item:hover {
    background: var(--bg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.scenario-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.scenario-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--bg-dark);
    margin-bottom: 8px;
}

.scenario-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
}

.tech-stack {
    padding: 80px 0;
    background: var(--bg-dark);
}

.tech-stack .section-title {
    color: #fff;
}

.tech-stack .section-desc {
    color: var(--text-lighter);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.tech-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

.tech-name {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

.tech-desc {
    font-size: 13px;
    color: var(--text-lighter);
}

.contact {
    padding: 100px 0;
    background: var(--bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37,99,235,0.1);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.wechat-qr {
    width: 140px;
    height: 140px;
    margin-top: 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.form-message {
    margin-top: 12px;
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 15px;
    text-align: center;
    display: none;
    line-height: 1.5;
}

.form-message.success {
    display: block;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: #065f46;
    border: 1.5px solid #6ee7b7;
    animation: msg-pop 0.4s ease-out, msg-glow 2s ease-in-out infinite alternate;
}

@keyframes msg-pop {
    0% { opacity: 0; transform: scale(0.9) translateY(-8px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes msg-glow {
    0% { box-shadow: 0 0 0 rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 2px 16px rgba(16, 185, 129, 0.25); }
}

.form-message.error {
    display: block;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.form-message.warning {
    display: block;
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.contact-form-wrap {
    background: var(--bg);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.form-group textarea {
    resize: vertical;
}

.footer {
    background: var(--bg-dark);
    padding: 48px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-lighter);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-lighter);
    font-size: 13px;
    margin-bottom: 4px;
}

.footer-bottom a {
    color: var(--text-lighter);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: #fff;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

    .meeting-panel {
        max-width: 460px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-trial {
        flex-wrap: wrap;
        justify-content: center;
    }

    .meeting-panel {
        max-width: 100%;
    }

    .panel-body {
        min-height: 240px;
        padding: 14px 16px;
        gap: 10px;
    }

    .text { font-size: 12.5px; }
    .speaker { font-size: 11px; padding: 2px 8px; }

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

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

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

    .deploy-cards {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .container {
        padding: 0 16px;
    }

    .contact-form-wrap {
        padding: 24px;
    }

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