@charset "UTF-8";
:root {
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.4);
    --green-success: #10b981;
    --orange-warning: #f59e0b;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(226, 232, 240, 0.9);
    --glass-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--text-primary);
    line-height: 1.6;
    position: relative;
}

/* Background Glow Effect */
.bg-glow {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, rgba(248,250,252,0) 70%);
    z-index: -1;
    pointer-events: none;
}

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

/* Top Announcement Bar */
.top-announcement-bar {
    background: linear-gradient(90deg, #1e3a8a, #2563eb, #3b82f6);
    color: #ffffff;
    text-align: center;
    padding: 8px 15px;
    font-size: 0.88rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.top-announcement-bar b {
    color: #fde047;
}
.announcement-btn {
    background: rgba(255,255,255,0.2);
    color: #fff;
    padding: 3px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
}
.announcement-btn:hover {
    background: #ffffff;
    color: var(--accent);
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}
h2.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    text-align: center;
    color: var(--text-primary);
}
.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 35px;
}
h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 10px;
}
p {
    color: var(--text-secondary);
}

.text-gradient {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glowing Buttons & CTAs */
.btn-primary, .btn-primary-sm, .btn-secondary, .btn-secondary-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 700;
    border-radius: 10px;
    transition: var(--transition);
    text-align: center;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn-primary, .btn-primary-sm {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
}
.glowing-btn {
    position: relative;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
    animation: pulse-glow 2.5s infinite;
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4); }
    50% { box-shadow: 0 12px 35px rgba(37, 99, 235, 0.7); }
}

.btn-secondary, .btn-secondary-sm {
    background: rgba(255, 255, 255, 0.9);
    color: var(--accent);
    border-color: rgba(37, 99, 235, 0.3);
}
.btn-primary {
    padding: 15px 30px;
    font-size: 1.1rem;
}
.btn-primary-sm {
    padding: 10px 22px;
    font-size: 0.95rem;
}
.btn-secondary {
    padding: 15px 26px;
    font-size: 1.05rem;
}
.btn-secondary-sm {
    padding: 8px 18px;
    font-size: 0.88rem;
}
.btn-primary:hover, .btn-primary-sm:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
}
.btn-secondary:hover, .btn-secondary-sm:hover {
    transform: translateY(-2px);
    background: rgba(37, 99, 235, 0.08);
    border-color: var(--accent);
}
.w-100 { width: 100%; }
.mt-auto { margin-top: auto; }

/* Header */
.header {
    padding: 14px 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.logo span { color: var(--accent); }
.logo-tag {
    font-size: 0.65rem;
    background: linear-gradient(135deg, #2563eb, #8b5cf6);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 800;
    margin-left: 4px;
    letter-spacing: 0.5px;
}
.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    transition: var(--transition);
}
.nav-link:hover { color: var(--accent); }

/* Main Sections */
section {
    padding: 60px 0;
}
.hero {
    padding-top: 50px;
    padding-bottom: 60px;
    min-height: auto;
    display: flex;
    align-items: center;
}
.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.hero-text {
    flex: 1.1;
    max-width: 630px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--accent);
    padding: 5px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}
.live-dot {
    width: 8px;
    height: 8px;
    background-color: var(--green-success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--green-success);
    animation: blink 1.5s infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-text .subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Hero Selling Points */
.hero-selling-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 25px;
}
.sp-item {
    font-size: 0.88rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--glass-border);
    padding: 8px 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sp-item b {
    color: var(--accent);
}

.hero-actions {
    margin-bottom: 20px;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.badge-item {
    font-size: 0.82rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

/* Hero Visual Card Preview */
.hero-visual {
    flex: 0.9;
    display: flex;
    justify-content: center;
}
.hero-card-preview {
    width: 100%;
    max-width: 440px;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.06);
}
.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 15px;
}
.preview-header .dots {
    display: flex;
    gap: 6px;
}
.preview-header .dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #cbd5e1;
}
.preview-header .dots span:nth-child(1) { background: #ef4444; }
.preview-header .dots span:nth-child(2) { background: #f59e0b; }
.preview-header .dots span:nth-child(3) { background: #10b981; }
.preview-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}
.preview-status {
    font-size: 0.78rem;
    color: var(--green-success);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.status-dot.green {
    width: 7px;
    height: 7px;
    background: var(--green-success);
    border-radius: 50%;
}

.speed-meter-box {
    text-align: center;
    background: linear-gradient(180deg, #f8fafc, #edf2f7);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 15px;
}
.meter-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.meter-unit {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 4px 0 10px;
    font-weight: 600;
}
.meter-bar {
    height: 7px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}
.meter-progress {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #10b981);
    border-radius: 10px;
    transition: width 1s ease;
}

.preview-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 15px;
    text-align: center;
}
.p-stat {
    background: #f8fafc;
    padding: 8px 4px;
    border-radius: 8px;
    border: 1px solid #f1f5f9;
}
.p-stat .lbl {
    display: block;
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}
.p-stat .val {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}
.highlight-green { color: var(--green-success) !important; }
.highlight-blue { color: var(--accent) !important; }

.platform-icons {
    display: flex;
    justify-content: space-around;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding-top: 10px;
    border-top: 1px dashed #e2e8f0;
}

/* Grids & Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 30px 24px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.glass-card:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: 0 15px 30px -10px rgba(37, 99, 235, 0.12);
}
.highlight-card {
    background: #ffffff;
}
.card-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}
.card-icon-lg {
    font-size: 2.6rem;
    margin-right: 18px;
}
.flex-row {
    flex-direction: row;
    align-items: flex-start;
}
.use-case-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 12px;
}
.use-case-tags span {
    font-size: 0.75rem;
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent);
    padding: 3px 8px;
    border-radius: 5px;
    font-weight: 600;
}

/* Node Monitor Section */
.node-status-section {
    padding: 30px 0 50px;
}
.node-monitor-card {
    background: #ffffff;
    padding: 24px;
}
.monitor-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}
.monitor-info {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.pulse-indicator {
    width: 9px;
    height: 9px;
    background: var(--green-success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--green-success);
    animation: blink 1.5s infinite;
}

.node-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.node-item {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 12px 16px;
    border-radius: 10px;
    gap: 12px;
    transition: var(--transition);
}
.node-item:hover {
    border-color: var(--accent);
    background: #ffffff;
}
.node-flag {
    font-size: 1.6rem;
}
.node-details {
    flex: 1;
}
.node-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.node-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}
.tag-badge {
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
}
.tag-game { background: #fee2e2; color: #dc2626; }
.tag-stream { background: #e0e7ff; color: #4338ca; }
.tag-ai { background: #dcfce7; color: #15803d; }

.node-ping {
    font-weight: 800;
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}
.green-text { color: var(--green-success); }
.node-status-tag {
    font-size: 0.78rem;
    font-weight: 600;
}

.test-result-bar {
    margin-top: 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #065f46;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: fadeIn 0.4s ease;
}

/* Pricing Section */
.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}
.pricing-badge {
    display: inline-block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}
.urgency-banner {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff5f5;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 6px 18px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.88rem;
}
.countdown-timer {
    font-variant-numeric: tabular-nums;
    font-weight: 800;
}

.pricing-grid {
    align-items: stretch;
}
.pricing-card {
    position: relative;
    padding: 40px 24px 30px;
    background: #ffffff;
}
.pricing-card.popular {
    border: 2px solid var(--accent);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.16);
    transform: scale(1.03);
}
.pricing-card.popular:hover {
    transform: scale(1.03) translateY(-3px);
}
.badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 5px 16px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}
.popular-badge {
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}
.value-badge {
    background: linear-gradient(90deg, #059669, #10b981);
    color: #ffffff;
}

.plan-header h3 {
    font-size: 1.4rem;
    margin-bottom: 4px;
}
.plan-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.price-container {
    margin: 15px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}
.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.price span {
    font-size: 1rem;
    color: var(--text-secondary);
}
.equivalent-price {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
    font-weight: 500;
}
.highlight-eq {
    color: var(--accent);
    font-weight: 700;
}

.features-list {
    list-style: none;
    margin-bottom: 25px;
}
.features-list li {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.features-list li .check {
    color: var(--green-success);
    font-weight: 800;
}

/* Guarantee Banner Below Pricing */
.guarantee-banner {
    margin-top: 30px;
    background: #ffffff;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    padding: 20px 24px;
}
.g-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.g-icon {
    font-size: 1.8rem;
}
.g-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
}
.g-item p {
    font-size: 0.78rem;
    margin: 0;
}

/* Reviews */
.review-card {
    background: #ffffff;
}
.review-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #3b82f6;
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.avatar-pink { background: #ec4899; }
.avatar-purple { background: #8b5cf6; }
.author-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.verified-tag {
    font-size: 0.7rem;
    color: var(--green-success);
    font-weight: 600;
}
.author-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.review-card .stars {
    margin-bottom: 10px;
    font-size: 0.85rem;
}
.review-text {
    font-style: normal;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.5;
}

/* FAQ */
.faq-list {
    display: grid;
    gap: 12px;
    max-width: 850px;
    margin: 0 auto;
}
.faq-item {
    background: #ffffff;
    padding: 20px 24px;
}
.faq-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* SEO Articles Matrix */
.seo-articles .article-card {
    padding: 18px;
    background: #ffffff;
    align-items: flex-start;
}
.article-card details { width: 100%; }
.article-card summary {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 25px;
    outline: none;
    transition: var(--transition);
}
.article-card summary::-webkit-details-marker { display: none; }
.article-card summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 800;
    transition: var(--transition);
}
.article-card details[open] summary::after {
    content: '-';
    transform: rotate(180deg);
}
.article-card details[open] summary {
    color: var(--accent);
    margin-bottom: 12px;
}
.article-content {
    color: var(--text-secondary);
    font-size: 0.88rem;
    animation: fadeIn 0.3s ease-in-out;
}
.article-content h3 {
    font-size: 0.98rem;
    color: var(--text-primary);
    margin: 12px 0 6px;
}
.article-content p { margin-bottom: 10px; }
.article-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.footer {
    background: #f1f5f9;
    border-top: 1px solid var(--glass-border);
    padding: 50px 0 25px;
    margin-top: 40px;
}
.footer-links {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 35px;
}
.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: 14px;
    font-size: 0.98rem;
}
.footer-column p, .footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-column a:hover { color: var(--accent); }
.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}

/* Exit-Intent Popup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}
.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.modal-content {
    max-width: 440px;
    width: 92%;
    position: relative;
    background: #ffffff;
    text-align: center;
    padding: 30px 20px;
    transform: scale(1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-radius: 20px;
}
.modal-overlay.hidden .modal-content {
    transform: scale(0.9);
}
.popup-badge {
    display: inline-block;
    background: #fee2e2;
    color: #dc2626;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}
.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 1.6rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
}
.modal-body h3 {
    font-size: 1.35rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.coupon-code {
    background: #eff6ff;
    color: var(--accent);
    border: 1px dashed var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 800;
}
.popup-discount-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 10px;
    border-radius: 8px;
    margin: 12px 0 16px;
}
.disc-text {
    font-size: 0.88rem;
    color: var(--text-primary);
}
.disc-text b { color: #dc2626; }
.modal-guarantee {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Sticky Mobile CTA Bar */
.sticky-mobile-cta {
    display: none;
}

/* Social Proof Floating Toast */
.social-proof-toast {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--accent);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-radius: 10px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 998;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    transform: translateY(0);
    opacity: 1;
}
.social-proof-toast.hidden {
    transform: translateY(30px);
    opacity: 0;
    pointer-events: none;
}
.toast-avatar { font-size: 1.2rem; }
.toast-content { display: flex; flex-direction: column; }
.toast-title { font-size: 0.78rem; font-weight: 700; color: var(--text-primary); }
.toast-desc { font-size: 0.74rem; color: var(--accent); font-weight: 600; }
.toast-time { font-size: 0.7rem; color: #94a3b8; margin-left: 6px; }

/* ========================================================= */
/* --- 📱 MOBILE PERFECT ALIGNMENT & RESPONSIVE LAYOUT --- */
/* ========================================================= */

@media (max-width: 992px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .node-grid { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: none; }
    .pricing-card.popular:hover { transform: translateY(-3px); }
    .guarantee-banner { grid-template-columns: 1fr; gap: 12px; }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .hidden-mobile { display: none !important; }
    
    html, body {
        overflow-x: hidden !important;
    }

    .container { padding: 0 14px !important; }
    section { padding: 25px 0 !important; }

    /* Announcement Bar */
    .top-announcement-bar {
        font-size: 0.76rem;
        padding: 6px 10px;
        flex-direction: row;
        justify-content: space-between;
    }
    .announcement-btn { padding: 2px 8px; font-size: 0.72rem; }
    
    /* Hero Section */
    .hero {
        padding-top: 15px !important;
        padding-bottom: 20px !important;
    }
    .hero-container {
        flex-direction: column !important;
        gap: 20px !important;
        text-align: left !important;
    }
    .hero-text {
        width: 100% !important;
        max-width: 100% !important;
    }
    h1 {
        font-size: 1.85rem !important;
        line-height: 1.3 !important;
        margin-bottom: 8px !important;
    }
    .hero-text .subtitle {
        font-size: 0.88rem !important;
        line-height: 1.45 !important;
        margin-bottom: 14px !important;
    }
    
    /* 核心卖点 2列完美对齐，字不爆行 */
    .hero-selling-points {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
        margin-bottom: 16px !important;
    }
    .sp-item {
        font-size: 0.75rem !important;
        padding: 8px 6px !important;
        border-radius: 8px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 4px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
    .sp-item b {
        font-weight: 700 !important;
    }

    .hero-actions {
        display: flex !important;
        flex-direction: row !important;
        gap: 8px !important;
        margin-bottom: 14px !important;
    }
    .hero-cta-btn, .hero-sec-btn {
        flex: 1 !important;
        padding: 11px 8px !important;
        font-size: 0.88rem !important;
        border-radius: 8px !important;
        white-space: nowrap !important;
    }

    .trust-badges {
        gap: 6px 10px !important;
    }
    .badge-item { font-size: 0.74rem !important; }

    .hero-visual { width: 100% !important; }
    .hero-card-preview {
        max-width: 100% !important;
        padding: 14px !important;
        border-radius: 12px !important;
    }

    h2.section-title {
        font-size: 1.4rem !important;
        margin-bottom: 4px !important;
    }
    .section-subtitle {
        font-size: 0.82rem !important;
        margin-bottom: 16px !important;
    }

    /* Node Monitor (单列全宽，节点名和Ping平齐美观) */
    .node-status-section { padding: 18px 0 30px !important; }
    .node-monitor-card { padding: 14px !important; border-radius: 12px !important; }
    .monitor-controls {
        flex-direction: column !important;
        gap: 8px !important;
        align-items: stretch !important;
        margin-bottom: 12px !important;
        padding-bottom: 8px !important;
    }
    .monitor-info { font-size: 0.82rem !important; }
    #run-speedtest-btn { font-size: 0.82rem !important; padding: 7px 12px !important; }

    .node-grid {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    .node-item {
        padding: 10px 12px !important;
        border-radius: 8px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }
    .node-name { font-size: 0.85rem !important; }
    .node-meta { font-size: 0.74rem !important; display: block !important; }
    .node-ping { font-size: 0.88rem !important; }

    /* Use cases Grid */
    .use-cases .grid-2 {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
    .highlight-card {
        padding: 14px !important;
        flex-direction: row !important;
        align-items: center !important;
    }
    .card-icon-lg {
        font-size: 2rem !important;
        margin-right: 12px !important;
        margin-bottom: 0 !important;
    }
    .highlight-card h3 { font-size: 1rem !important; margin-bottom: 2px !important; }
    .highlight-card p { font-size: 0.8rem !important; line-height: 1.4 !important; }

    /* Pricing Section */
    .pricing-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }
    .pricing-card {
        padding: 28px 16px 18px !important;
        border-radius: 12px !important;
        transform: none !important;
    }
    .pricing-card.popular {
        border-width: 2px !important;
    }
    .badge {
        font-size: 0.72rem !important;
        padding: 3px 12px !important;
    }
    .plan-header h3 { font-size: 1.25rem !important; }
    .plan-desc { font-size: 0.78rem !important; }
    .price { font-size: 2.4rem !important; }
    .features-list { margin-bottom: 16px !important; }
    .features-list li { font-size: 0.82rem !important; margin-bottom: 6px !important; }

    .guarantee-banner {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
        padding: 14px !important;
        border-radius: 10px !important;
        margin-top: 16px !important;
    }

    /* Reviews Section */
    .reviews .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
    .review-card {
        padding: 14px !important;
        border-radius: 10px !important;
    }

    /* Features Section */
    .features .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
    .features .glass-card {
        padding: 14px !important;
        border-radius: 10px !important;
    }

    /* FAQ Section */
    .faq-list { gap: 8px !important; }
    .faq-item { padding: 12px 14px !important; border-radius: 8px !important; }
    .faq-item h4 { font-size: 0.9rem !important; margin-bottom: 4px !important; }
    .faq-item p { font-size: 0.8rem !important; }

    /* SEO Articles */
    .seo-articles .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    .article-card { padding: 10px 12px !important; }
    .article-card summary { font-size: 0.85rem !important; }

    /* Footer */
    .footer { padding: 30px 0 18px !important; margin-top: 25px !important; }
    .footer-bottom p { font-size: 0.76rem !important; }

    /* Sticky Mobile CTA Bar */
    body {
        padding-bottom: 68px;
    }
    .sticky-mobile-cta {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--glass-border);
        box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
        z-index: 999;
        padding: 9px 14px;
    }
    .sticky-cta-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1200px;
        margin: 0 auto;
    }
    .sticky-price-info {
        display: flex;
        flex-direction: column;
    }
    .s-label {
        font-size: 0.65rem;
        color: #dc2626;
        font-weight: 700;
    }
    .s-price {
        font-size: 1.1rem;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1;
    }
    .s-price small {
        font-size: 0.7rem;
        color: var(--text-secondary);
        font-weight: 500;
    }
    .sticky-mobile-cta .btn-primary-sm {
        padding: 8px 16px;
        font-size: 0.85rem;
        margin: 0;
        border-radius: 8px;
    }

    .social-proof-toast {
        bottom: 72px;
        left: 10px;
        right: 10px;
        padding: 8px 12px;
    }
}