/* ── 云笔记 Landing Page ─────────────────────────────────────── */

:root {
    --color-primary: #1a56db;
    --color-primary-dark: #1240a8;
    --color-primary-light: #3b82f6;
    --color-accent: #0ea5e9;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-bg: #ffffff;
    --color-bg-subtle: #f8fafc;
    --color-bg-muted: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 24px 64px rgba(26, 86, 219, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --nav-height: 72px;
    --section-py: 120px;
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

.landing-body {
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navigation ──────────────────────────────────────────────── */

.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.landing-nav.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.landing-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* 旧云图标容器保留兼容，新品牌使用 .brand-mark */
.nav-brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.35);
    flex-shrink: 0;
}

/* ── SVG 图标通用样式 ─────────────────────────────────────────── */

.icon-svg {
    display: block;
    flex-shrink: 0;
}

.feature-icon .icon-svg,
.showcase-tile-icon .icon-svg,
.showcase-orbit-hub-icon .icon-svg,
.showcase-orbit-node-icon .icon-svg,
.showcase-icon-item .icon .icon-svg,
.float-icon .icon-svg,
.hero-stat-icon .icon-svg,
.security-metric-icon .icon-svg {
    display: block;
}

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

.nav-links a,
.nav-links .nav-link-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

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

.nav-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.72;
    transition: opacity var(--transition);
}

.nav-links a:hover .nav-link-icon,
.nav-links .nav-link-item:hover .nav-link-icon {
    opacity: 1;
}

.nav-link-icon .icon-svg {
    display: block;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-primary);
    background: var(--color-bg-muted);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(26, 86, 219, 0.4);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

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

.btn-white:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost-light {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
    transform: translateY(-1px);
}

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

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ── Hero ────────────────────────────────────────────────────── */

.hero {
    position: relative;
    min-height: min(100vh, 920px);
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 90% 70% at 15% -5%, rgba(26, 86, 219, 0.14) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 95% 15%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 70% 95%, rgba(99, 102, 241, 0.06) 0%, transparent 45%),
        linear-gradient(165deg, #f1f5f9 0%, #ffffff 45%, #f8fafc 100%);
    z-index: 0;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.hero-orb--1 {
    width: min(420px, 50vw);
    height: min(420px, 50vw);
    top: 8%;
    right: 5%;
    background: rgba(59, 130, 246, 0.22);
    animation: heroOrbDrift 18s ease-in-out infinite;
}

.hero-orb--2 {
    width: min(320px, 40vw);
    height: min(320px, 40vw);
    bottom: 12%;
    left: -5%;
    background: rgba(14, 165, 233, 0.16);
    animation: heroOrbDrift 22s ease-in-out infinite reverse;
}

@keyframes heroOrbDrift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(24px, -16px) scale(1.06); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(26, 86, 219, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 86, 219, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 75% 65% at 45% 35%, black 15%, transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 45% 35%, black 15%, transparent 72%);
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: center;
    padding-top: clamp(32px, 4vw, 56px);
    padding-bottom: clamp(64px, 8vw, 100px);
}

.hero-reveal {
    animation: heroReveal 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-reveal--delay {
    animation-delay: 0.12s;
}

@keyframes heroReveal {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px 6px 8px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(26, 86, 219, 0.12);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.hero-badge-mark {
    box-shadow: 0 2px 8px rgba(26, 86, 219, 0.28);
}

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

.hero-badge-live {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: 4px;
    padding-left: 10px;
    border-left: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.65; transform: scale(0.85); }
}

.hero-title {
    font-size: clamp(2.25rem, 4.8vw, 3.625rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.035em;
    color: var(--color-text);
    margin-bottom: 22px;
}

.hero-title-accent {
    display: inline-block;
    background: linear-gradient(125deg, var(--color-primary) 0%, #3b82f6 45%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: clamp(1rem, 1.6vw, 1.125rem);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.hero-btn-primary {
    box-shadow: 0 8px 24px rgba(26, 86, 219, 0.35);
}

.hero-btn-primary:hover {
    box-shadow: 0 12px 32px rgba(26, 86, 219, 0.42);
    transform: translateY(-1px);
}

.hero-btn-arrow {
    transition: transform var(--transition);
}

.hero-btn-primary:hover .hero-btn-arrow {
    transform: translateX(3px);
}

.hero-link-features {
    color: var(--color-text-secondary);
}

.hero-trust {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.hero-trust .icon-svg {
    color: var(--color-primary);
    opacity: 0.85;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 540px;
}

.hero-stat-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: var(--radius-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.hero-stat-card:hover {
    border-color: rgba(26, 86, 219, 0.2);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.hero-stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(26, 86, 219, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-stat-icon--cyan {
    background: rgba(14, 165, 233, 0.12);
    color: #0284c7;
}

.hero-stat-icon--green {
    background: rgba(34, 197, 94, 0.12);
    color: #16a34a;
}

.hero-stat-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
    margin-bottom: 2px;
}

.hero-stat-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}

/* Hero visual mockup */
.hero-visual {
    position: relative;
    isolation: isolate;
}

.hero-mockup-glow {
    position: absolute;
    inset: -12% -8%;
    background: radial-gradient(ellipse at center, rgba(26, 86, 219, 0.18) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

.hero-mockup {
    position: relative;
    z-index: 1;
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow:
        0 4px 6px rgba(15, 23, 42, 0.04),
        0 24px 48px rgba(26, 86, 219, 0.12),
        0 0 0 1px rgba(226, 232, 240, 0.8);
    overflow: hidden;
    transform: perspective(1400px) rotateY(-5deg) rotateX(3deg);
    transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.65s ease;
}

.hero-mockup:hover {
    transform: perspective(1400px) rotateY(-2deg) rotateX(1deg);
    box-shadow:
        0 8px 12px rgba(15, 23, 42, 0.06),
        0 32px 64px rgba(26, 86, 219, 0.16),
        0 0 0 1px rgba(26, 86, 219, 0.08);
}

.mockup-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dot.red { background: #ef4444; }
.mockup-dot.yellow { background: #f59e0b; }
.mockup-dot.green { background: #22c55e; }

.mockup-title {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.mockup-brand {
    box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
}

.mockup-title-text {
    letter-spacing: -0.01em;
}

.mockup-body {
    display: grid;
    grid-template-columns: 200px 1fr;
    min-height: 360px;
}

.mockup-sidebar {
    background: var(--color-bg-subtle);
    border-right: 1px solid var(--color-border);
    padding: 20px 16px;
}

.mockup-sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.mockup-sidebar-item.active {
    background: rgba(26, 86, 219, 0.1);
    color: var(--color-primary);
    font-weight: 500;
}

.mockup-sidebar-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: currentColor;
    opacity: 0.45;
    flex-shrink: 0;
}

.mockup-sidebar-item.active .mockup-sidebar-icon {
    opacity: 0.85;
}

.mockup-sidebar-icon .icon-svg {
    display: block;
}

.mockup-content {
    padding: 28px 32px;
}

.mockup-content-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.mockup-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.35;
}

.mockup-save-pill {
    flex-shrink: 0;
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 500;
    color: #16a34a;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 100px;
}

.mockup-line {
    height: 10px;
    background: var(--color-bg-muted);
    border-radius: 4px;
    margin-bottom: 10px;
}

.mockup-line.short { width: 60%; }
.mockup-line.medium { width: 80%; }
.mockup-line.long { width: 100%; }

.mockup-tags {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}

.mockup-tag {
    padding: 4px 10px;
    background: rgba(26, 86, 219, 0.08);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
}

.hero-float-card {
    position: absolute;
    z-index: 3;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 4s ease-in-out infinite;
    pointer-events: none;
}

.hero-float-card.card-1 {
    bottom: 40px;
    left: -32px;
    animation-delay: 0s;
}

.hero-float-card.card-2 {
    top: 48px;
    right: -28px;
    animation-delay: 1.4s;
}

.hero-float-card.card-3 {
    bottom: 120px;
    right: -20px;
    animation-delay: 2.8s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-scroll {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition), transform var(--transition);
}

.hero-scroll:hover {
    color: var(--color-primary);
    transform: translateX(-50%) translateY(2px);
}

.hero-scroll svg {
    opacity: 0.7;
    animation: heroScrollBounce 2s ease-in-out infinite;
}

@keyframes heroScrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
    .hero-reveal,
    .hero-reveal--delay,
    .hero-orb--1,
    .hero-orb--2,
    .hero-float-card,
    .hero-scroll svg,
    .hero-badge-dot {
        animation: none !important;
    }

    .hero-mockup {
        transform: none;
    }

    .hero-mockup:hover {
        transform: none;
    }
}

.float-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.float-icon.blue {
    background: rgba(26, 86, 219, 0.1);
    color: var(--color-primary);
}

.float-icon.green {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.float-icon.purple {
    background: rgba(139, 92, 246, 0.12);
    color: #7c3aed;
}

.float-text strong {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
}

.float-text span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ── Section common ──────────────────────────────────────────── */

.section {
    padding: var(--section-py) 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.25;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.section-alt {
    background: var(--color-bg-subtle);
}

/* ── Features grid ───────────────────────────────────────────── */

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

.feature-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition);
}

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

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon.blue { background: rgba(26, 86, 219, 0.1); color: #1a56db; }
.feature-icon.cyan { background: rgba(14, 165, 233, 0.1); color: #0284c7; }
.feature-icon.green { background: rgba(34, 197, 94, 0.1); color: #16a34a; }
.feature-icon.purple { background: rgba(139, 92, 246, 0.1); color: #7c3aed; }
.feature-icon.orange { background: rgba(249, 115, 22, 0.1); color: #ea580c; }
.feature-icon.rose { background: rgba(244, 63, 94, 0.1); color: #e11d48; }

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-text);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

/* ── Showcase (two-column) ───────────────────────────────────── */

.showcase-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.showcase-row:last-child {
    margin-bottom: 0;
}

.showcase-row.reverse {
    direction: rtl;
}

.showcase-row.reverse > * {
    direction: ltr;
}

.showcase-visual {
    background: linear-gradient(145deg, #ffffff 0%, var(--color-bg-subtle) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    padding: 32px;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.showcase-visual--bento {
    background:
        radial-gradient(circle at 15% 85%, rgba(26, 86, 219, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(14, 165, 233, 0.06) 0%, transparent 40%),
        linear-gradient(145deg, #ffffff 0%, var(--color-bg-subtle) 100%);
}

.showcase-visual--orbit {
    background:
        radial-gradient(circle at 50% 50%, rgba(26, 86, 219, 0.06) 0%, transparent 55%),
        linear-gradient(160deg, #f8fafc 0%, #ffffff 100%);
}

.showcase-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(26, 86, 219, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

/* ── Bento 场景展示 ──────────────────────────────────────────── */

.showcase-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto auto;
    gap: 12px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.showcase-tile {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    backdrop-filter: blur(8px);
}

.showcase-tile:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.showcase-tile--featured {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    padding: 28px 24px;
    min-height: 200px;
}

.showcase-tile--checklist { grid-column: 3; grid-row: 1; }
.showcase-tile--lightbulb { grid-column: 3; grid-row: 2; }
.showcase-tile--book { grid-column: 1; grid-row: 3; }
.showcase-tile--target { grid-column: 2; grid-row: 3; }
.showcase-tile--bookmark { grid-column: 3; grid-row: 3; }

.showcase-tile--featured .showcase-tile-body {
    margin-top: auto;
}

.showcase-tile-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.showcase-tile--featured .showcase-tile-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
}

.showcase-tile-body strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.showcase-tile-body span {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.showcase-tile--featured .showcase-tile-body strong {
    font-size: 1.125rem;
}

.showcase-tile--featured .showcase-tile-body span {
    font-size: 0.8125rem;
}

/* 各场景独立配色 */
.showcase-tile--doc .showcase-tile-icon {
    background: linear-gradient(135deg, rgba(26, 86, 219, 0.15) 0%, rgba(26, 86, 219, 0.06) 100%);
    color: #1a56db;
}
.showcase-tile--doc { border-top: 2px solid rgba(26, 86, 219, 0.35); }

.showcase-tile--checklist .showcase-tile-icon {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(14, 165, 233, 0.06) 100%);
    color: #0284c7;
}

.showcase-tile--lightbulb .showcase-tile-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.18) 0%, rgba(245, 158, 11, 0.06) 100%);
    color: #d97706;
}

.showcase-tile--book .showcase-tile-icon {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.06) 100%);
    color: #16a34a;
}

.showcase-tile--target .showcase-tile-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.06) 100%);
    color: #7c3aed;
}

.showcase-tile--bookmark .showcase-tile-icon {
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.15) 0%, rgba(244, 63, 94, 0.06) 100%);
    color: #e11d48;
}

/* ── Orbit 协同展示 ──────────────────────────────────────────── */

.showcase-orbit {
    position: relative;
    width: 100%;
    max-width: 340px;
    aspect-ratio: 1;
    z-index: 1;
}

.showcase-orbit-ring {
    position: absolute;
    inset: 12%;
    border: 1.5px dashed rgba(26, 86, 219, 0.18);
    border-radius: 50%;
    animation: orbit-spin 60s linear infinite;
}

.showcase-orbit-ring::before {
    content: '';
    position: absolute;
    inset: -1.5px;
    border-radius: 50%;
    border: 1.5px solid transparent;
    border-top-color: rgba(26, 86, 219, 0.25);
    animation: orbit-spin 8s linear infinite reverse;
}

@keyframes orbit-spin {
    to { transform: rotate(360deg); }
}

.showcase-orbit-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #fff;
    box-shadow: 0 8px 32px rgba(26, 86, 219, 0.35);
    z-index: 2;
}

.showcase-orbit-hub-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-orbit-hub span {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    opacity: 0.95;
}

.showcase-orbit-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transform: translate(-50%, -50%);
    transition: transform var(--transition);
}

.showcase-orbit-node:hover {
    transform: translate(-50%, -50%) scale(1.06);
}

.showcase-orbit-node-icon {
    width: 48px;
    height: 48px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.showcase-orbit-node:hover .showcase-orbit-node-icon {
    box-shadow: var(--shadow-md);
    border-color: rgba(26, 86, 219, 0.25);
}

.showcase-orbit-node span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.showcase-orbit-node--share {
    top: 8%;
    left: 50%;
    --node-color: #1a56db;
}
.showcase-orbit-node--users {
    top: 32%;
    left: 92%;
    --node-color: #7c3aed;
}
.showcase-orbit-node--export {
    top: 78%;
    left: 78%;
    --node-color: #16a34a;
}
.showcase-orbit-node--bell {
    top: 78%;
    left: 22%;
    --node-color: #d97706;
}
.showcase-orbit-node--chart {
    top: 32%;
    left: 8%;
    --node-color: #0284c7;
}

.showcase-orbit-node--share .showcase-orbit-node-icon { color: #1a56db; background: rgba(26, 86, 219, 0.06); }
.showcase-orbit-node--users .showcase-orbit-node-icon { color: #7c3aed; background: rgba(139, 92, 246, 0.06); }
.showcase-orbit-node--export .showcase-orbit-node-icon { color: #16a34a; background: rgba(34, 197, 94, 0.06); }
.showcase-orbit-node--bell .showcase-orbit-node-icon { color: #d97706; background: rgba(245, 158, 11, 0.08); }
.showcase-orbit-node--chart .showcase-orbit-node-icon { color: #0284c7; background: rgba(14, 165, 233, 0.08); }

/* 连接线 */
.showcase-orbit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 68%;
    height: 68%;
    transform: translate(-50%, -50%);
    background:
        linear-gradient(0deg, transparent 49.5%, rgba(26, 86, 219, 0.08) 49.5%, rgba(26, 86, 219, 0.08) 50.5%, transparent 50.5%),
        linear-gradient(72deg, transparent 49.5%, rgba(26, 86, 219, 0.06) 49.5%, rgba(26, 86, 219, 0.06) 50.5%, transparent 50.5%),
        linear-gradient(144deg, transparent 49.5%, rgba(26, 86, 219, 0.06) 49.5%, rgba(26, 86, 219, 0.06) 50.5%, transparent 50.5%),
        linear-gradient(216deg, transparent 49.5%, rgba(26, 86, 219, 0.06) 49.5%, rgba(26, 86, 219, 0.06) 50.5%, transparent 50.5%),
        linear-gradient(288deg, transparent 49.5%, rgba(26, 86, 219, 0.06) 49.5%, rgba(26, 86, 219, 0.06) 50.5%, transparent 50.5%);
    border-radius: 50%;
    pointer-events: none;
}

/* 旧 grid 样式保留兼容（其他页面可能引用） */
.showcase-icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    position: relative;
    z-index: 1;
}

.showcase-icon-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition);
}

.showcase-icon-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.showcase-icon-item .icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: rgba(26, 86, 219, 0.06);
    border-radius: 12px;
}

.showcase-icon-item span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.showcase-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--color-text);
}

.showcase-content p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.75;
    margin-bottom: 28px;
}

.showcase-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.showcase-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.showcase-list li::before {
    content: '';
    width: 20px;
    height: 20px;
    background: rgba(26, 86, 219, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231a56db'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
    background-size: 12px;
    background-repeat: no-repeat;
    background-position: center;
}

/* ── Security panel ──────────────────────────────────────────── */

.section-security {
    padding-top: calc(var(--section-py) * 0.85);
    padding-bottom: calc(var(--section-py) * 0.85);
}

.security-panel {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 4px 24px rgba(15, 23, 42, 0.12),
        0 24px 64px rgba(26, 86, 219, 0.14);
}

.security-panel-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 0% 100%, rgba(14, 165, 233, 0.22) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 100% 0%, rgba(59, 130, 246, 0.28) 0%, transparent 50%),
        linear-gradient(145deg, #0c1929 0%, #132f4c 42%, #1a3a5f 100%);
    z-index: 0;
}

.security-panel-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 20%, transparent 75%);
    z-index: 0;
}

.security-panel-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.security-panel-orb--1 {
    width: 280px;
    height: 280px;
    top: -80px;
    right: 10%;
    background: rgba(59, 130, 246, 0.35);
}

.security-panel-orb--2 {
    width: 200px;
    height: 200px;
    bottom: -40px;
    left: 5%;
    background: rgba(14, 165, 233, 0.25);
}

.security-panel-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(40px, 5vw, 56px);
    align-items: center;
    padding: clamp(40px, 5vw, 64px);
    color: #fff;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    margin-bottom: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.security-badge .icon-svg {
    color: #93c5fd;
}

.security-title {
    font-size: clamp(1.625rem, 3vw, 2.125rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.security-desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.75;
    margin-bottom: 24px;
    max-width: 440px;
}

.security-highlights {
    list-style: none;
    margin: 0 0 32px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.security-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.security-highlights li::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%234ade80'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E") center / 11px no-repeat;
}

.security-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.security-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.security-card {
    padding: 22px 20px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.security-card:hover {
    background: rgba(255, 255, 255, 0.11);
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.security-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.security-card-icon--blue {
    background: rgba(59, 130, 246, 0.22);
    color: #93c5fd;
}

.security-card-icon--cyan {
    background: rgba(14, 165, 233, 0.22);
    color: #67e8f9;
}

.security-card-icon--green {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
}

.security-card-icon--violet {
    background: rgba(139, 92, 246, 0.22);
    color: #c4b5fd;
}

.security-card-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.security-card-desc {
    font-size: 0.8125rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.62);
}

.security-card-icon .icon-svg,
.security-metric-icon .icon-svg {
    display: block;
}

/* ── Testimonials ────────────────────────────────────────────── */

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

.testimonial-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: box-shadow var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-stars,
.icon-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
}

.icon-stars .icon-star {
    color: #f59e0b;
}

.testimonial-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.75;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
}

.testimonial-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.testimonial-role {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ── CTA ─────────────────────────────────────────────────────── */

.cta-section {
    padding: 100px 0;
    text-align: center;
    background:
        radial-gradient(ellipse 60% 80% at 50% 100%, rgba(26, 86, 219, 0.08) 0%, transparent 60%),
        var(--color-bg);
}

.cta-section h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
}

.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Footer ──────────────────────────────────────────────────── */

.landing-footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.55);
}

.footer-badge-icon {
    display: inline-flex;
    align-items: center;
    opacity: 0.7;
}

.footer-badge-icon .icon-svg {
    display: block;
}

/* ── Flash messages ──────────────────────────────────────────── */

.flash-container {
    position: fixed;
    top: calc(var(--nav-height) + 12px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1100;
    width: min(480px, calc(100% - 32px));
}

.flash-msg {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 8px;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s ease;
}

.flash-msg.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-msg.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.flash-msg.info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
        width: 100%;
    }

    .hero-stats {
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
    }

    .hero-stat-card {
        text-align: left;
    }

    .hero-visual {
        max-width: min(560px, 100%);
        margin: 0 auto;
    }

    .hero-scroll {
        display: none;
    }

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

    .showcase-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .showcase-row.reverse {
        direction: ltr;
    }

    .showcase-tile--featured {
        grid-column: 1 / -1;
        grid-row: auto;
        min-height: 140px;
        flex-direction: row;
        align-items: center;
    }

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

    .showcase-orbit {
        max-width: 300px;
    }

    .security-panel-inner {
        grid-template-columns: 1fr;
    }

    .security-desc {
        max-width: none;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-py: 80px;
        --nav-height: 64px;
    }

    .nav-links,
    .nav-actions .btn-ghost {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--color-border);
    }

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

    .hero-float-card {
        display: none;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .hero-badge-live {
        display: none;
    }

    .hero-orb {
        opacity: 0.6;
    }

    .security-panel-inner {
        padding: 32px 24px;
    }

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

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

    .security-actions .btn {
        width: 100%;
    }

    .mockup-body {
        grid-template-columns: 1fr;
    }

    .mockup-sidebar {
        display: none;
    }

    .showcase-bento {
        grid-template-columns: 1fr;
    }

    .showcase-tile--featured {
        flex-direction: column;
        align-items: flex-start;
    }

    .showcase-orbit {
        max-width: 280px;
    }

    .showcase-orbit-node-icon {
        width: 42px;
        height: 42px;
    }

    .showcase-orbit-hub {
        width: 80px;
        height: 80px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}