/* ========================================
   评价管家 - 餐饮舆情信息管理平台
   成都虎查查科技有限责任公司
   Design System
   ======================================== */

/* === CSS Variables === */
:root {
    /* Colors */
    --color-bg: #fafbfc;
    --color-bg-alt: #ffffff;
    --color-bg-dark: #0f172a;
    --color-bg-card: #ffffff;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Brand Colors */
    --color-primary: #f59e0b;
    --color-primary-hover: #d97706;
    --color-primary-light: #fef3c7;
    --color-primary-bg: #fffbeb;

    --color-accent: #0f172a;
    --color-accent-light: #1e293b;

    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-error: #ef4444;
    --color-error-light: #fee2e2;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #f97316 50%, #ef4444 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --gradient-hero: linear-gradient(180deg, #0f172a 0%, #1a2332 40%, #1e2d3d 100%);

    /* Typography */
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -4px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* === Container === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* === Section === */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.25;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === Navigation === */
.nav {
    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: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-accent);
    text-decoration: none;
}

.logo-icon {
    height: 28px;
    width: auto;
}

.logo-icon-nav {
    height: 52px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text);
}

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

.nav-cta {
    padding: 0.55rem 1.25rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.nav-cta:hover {
    background: var(--color-primary);
    transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

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

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.8rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-xl) var(--spacing-4xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    top: -100px;
    right: -100px;
    animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: #3b82f6;
    bottom: -80px;
    left: -80px;
    animation: orbFloat 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: #10b981;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbFloat 12s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.25rem;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 900;
    color: white;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
    justify-content: center;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.25rem;
}

.stat-label-inline {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-right: 0.25rem;
}

/* === Pain Points === */
.pain-points {
    background: var(--color-bg-alt);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.pain-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

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

.pain-card:hover::before {
    transform: scaleX(1);
}

.pain-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.pain-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.pain-card p {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.pain-card strong {
    color: var(--color-primary);
}

/* === Features === */
.features {
    background: var(--color-bg);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-4xl);
}

.feature-row:last-of-type {
    margin-bottom: var(--spacing-3xl);
}

.feature-row.reverse .feature-visual {
    order: 2;
}

.feature-row.reverse .feature-text {
    order: 1;
}

.feature-visual {
    display: flex;
    justify-content: center;
}

.feature-screen {
    width: 100%;
    max-width: 480px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.screen-header {
    background: #f8fafc;
    padding: 0.75rem 1rem;
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--color-border);
}

.screen-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e2e8f0;
}

.screen-body {
    padding: var(--spacing-lg);
    min-height: 200px;
}

.feature-num {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.feature-text h3 {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.feature-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.feature-desc strong {
    color: var(--color-text);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}

/* WeChat Demo - Notification Card */
.wechat-demo {
    background: #ededed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md);
    min-height: 280px;
}

.wechat-message {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.wc-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: white;
    object-fit: contain;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.wc-notification {
    flex: 1;
    background: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
    max-width: 320px;
}

.wc-notif-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.wc-notif-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.wc-notif-dots {
    color: #ccc;
    letter-spacing: 2px;
    font-size: 0.8rem;
}

.wc-notif-body {
    padding: 0.6rem 1rem 0.75rem;
}

.wc-notif-row {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    padding: 0.4rem 0;
}

.wc-notif-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    min-width: 4em;
}

.wc-notif-value {
    font-size: 0.85rem;
    color: var(--color-text);
    line-height: 1.5;
}

.wc-notif-star {
    color: var(--color-primary);
    font-weight: 600;
}

.wc-notif-reply {
    color: var(--color-text-secondary);
}

.wc-notif-action {
    padding: 0 1rem 0.75rem;
    border-bottom: 1px solid #f5f5f5;
}

.wc-notif-link {
    font-size: 0.85rem;
    color: #576b95;
    text-decoration: none;
}

.wc-notif-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.6rem 1rem;
    background: #fafafa;
}

.wc-notif-footer-logo {
    height: 20px;
    width: auto;
    object-fit: contain;
}

.wc-notif-footer-text {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
}

.wc-notif-footer-link {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-decoration: none;
}

/* Platform Demo */
.platform-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    min-height: 280px;
    justify-content: center;
}

.platform-grid-demo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 300px;
}

.platform-card {
    aspect-ratio: 1 / 1;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

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

.platform-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 美团外卖为白底横向 logo，完整显示 */
.waimai-logo img {
    object-fit: contain;
    padding: 0.75rem;
}

.platform-hub {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.platform-hub::before {
    content: '';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 14px;
    background: linear-gradient(to bottom, transparent, var(--color-border), var(--color-border));
}

.hub-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1.75rem;
    background: var(--color-accent);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
    position: relative;
}

.hub-btn::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(15, 23, 42, 0.12);
    animation: hubPulse 2s ease-out infinite;
    pointer-events: none;
}

@keyframes hubPulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.15); opacity: 0; }
}

.platform-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.platform-tags span {
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-weight: 500;
}

/* PDCA Demo */
.pdca-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
    min-height: 280px;
}

/* PDCA 2x2 Cycle */
.pdca-cycle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    width: 100%;
    max-width: 280px;
}

.pdca-quad {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 0.4rem;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    text-align: center;
    min-height: 60px;
    transition: all var(--transition-fast);
}

.pdca-quad.active {
    background: linear-gradient(135deg, var(--color-primary), #d97706);
    border-color: var(--color-primary);
    box-shadow: 0 3px 12px rgba(245, 158, 11, 0.3);
}

.pdca-quad.active .pdca-q-label {
    color: white;
    border-color: rgba(255,255,255,0.6);
}

.pdca-quad.active .pdca-q-text {
    color: white;
}

.pdca-q-label {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.2rem;
    line-height: 1;
}

.pdca-q-text {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text);
}

/* PDCA arrows between quadrants */
.pdca-q-arrow {
    position: absolute;
    width: 0;
    height: 0;
    border: 7px solid transparent;
    filter: drop-shadow(0 0 1px rgba(0,0,0,0.15));
}

.pdca-q-arrow.right {
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
    border-left-color: var(--color-primary);
    border-right: none;
}

.pdca-q-arrow.down {
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    border-top-color: var(--color-primary);
    border-bottom: none;
}

.pdca-q-arrow.left {
    left: -14px;
    top: 50%;
    transform: translateY(-50%);
    border-right-color: var(--color-primary);
    border-left: none;
}

.pdca-q-arrow.up {
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    border-bottom-color: var(--color-primary);
    border-top: none;
}

.pdca-detail {
    text-align: center;
}

.pdca-detail p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Feature Cards Grid */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.fcard {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.fcard.highlight {
    background: var(--gradient-dark);
    color: white;
    border-color: transparent;
}

.fcard.highlight p {
    color: rgba(255, 255, 255, 0.7);
}

.fcard-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.fcard h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: inherit;
}

.fcard p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* === AI Analysis === */
.ai-analysis {
    background: var(--color-bg-dark);
    color: white;
}

.ai-analysis .section-title {
    color: white;
}

.ai-analysis .section-desc {
    color: rgba(255, 255, 255, 0.55);
}

.ai-showcase {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(10px);
}

.ai-dimensions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.dimension-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 80px;
}

.dimension-item:hover,
.dimension-item.active {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--color-primary);
}

.dim-icon {
    font-size: 1.5rem;
}

.dimension-item span {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
}

.dimension-item.active span {
    color: var(--color-primary);
}

.ai-chart-area {
    max-width: 900px;
    margin: 0 auto;
}

.ai-chart-area h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.chart-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.chart-label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.chart-col.positive .chart-label {
    color: var(--color-success);
}

.chart-col.negative .chart-label {
    color: var(--color-error);
}

.chart-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.bar-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bar-label {
    width: 110px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-align: right;
    flex-shrink: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bar-track {
    flex: 1;
    height: 26px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding-left: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    min-width: fit-content;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-col.positive .bar-fill {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.chart-col.negative .bar-fill {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

/* === AI Auto Reply === */
.ai-reply {
    background: var(--color-bg);
}

.ai-reply-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: stretch;
    margin-bottom: var(--spacing-3xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.reply-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
}

.reply-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.reply-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border-light);
}

.reply-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.03em;
}

.review-badge {
    background: #fef3c7;
    color: #d97706;
}

.ai-badge {
    background: #dcfce7;
    color: #16a34a;
}

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

.reply-card-body {
    padding: 1.25rem;
}

.reply-stars {
    margin-bottom: 0.75rem;
}

.reply-stars .star {
    font-size: 1.1rem;
    color: #e2e8f0;
    margin-right: 2px;
}

.reply-stars .star.filled {
    color: var(--color-primary);
}

.reply-content {
    font-size: 0.925rem;
    line-height: 1.75;
    color: var(--color-text-secondary);
}

.reply-ai-indicator {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    padding: 0.4rem 0.75rem;
    background: #f0fdf4;
    border-radius: var(--radius-sm);
    border: 1px dashed #bbf7d0;
}

.reply-ai-indicator strong {
    color: var(--color-primary);
}

.ai-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    margin-right: 6px;
    animation: aiPulse 1.5s ease-in-out infinite;
}

@keyframes aiPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.reply-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 0.25rem;
}

.arrow-icon {
    color: var(--color-primary);
    animation: arrowBounce 1.8s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

.arrow-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-muted);
    white-space: nowrap;
    text-align: center;
}

/* 功能亮点 */
.ai-reply-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.reply-feat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.reply-feat-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.reply-feat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.reply-feat-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.35rem;
}

.reply-feat-item p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.reply-feat-item p strong {
    color: var(--color-primary);
}

/* Responsive for AI Reply */
@media (max-width: 768px) {
    .ai-reply-demo {
        grid-template-columns: 1fr;
    }

    .reply-arrow {
        flex-direction: row;
    }

    .arrow-icon {
        transform: rotate(90deg);
    }

    @keyframes arrowBounce {
        0%, 100% { transform: translateY(0) rotate(90deg); }
        50% { transform: translateY(8px) rotate(90deg); }
    }

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

@media (max-width: 480px) {
    .ai-reply-features {
        grid-template-columns: 1fr;
    }
}

/* === Review Case (差评处理闭环) === */


/* === Dashboard Mockup === */
.dashboard {
    background: var(--color-bg-alt);
}

.dashboard-mockup {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    padding: var(--spacing-lg);
}

/* 头部 */
.dash-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.dash-head-tag {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dash-head-tag::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}

.dash-head-action {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    cursor: pointer;
}

/* 网格行 */
.dash-grid-row {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.dash-grid-row.three-cols {
    grid-template-columns: repeat(3, 1fr);
}

.dash-grid-row.four-cols {
    grid-template-columns: repeat(4, 1fr);
}

.dash-grid-row.two-cols {
    grid-template-columns: repeat(2, 1fr);
}

/* 卡片 */
.dash-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    transition: all var(--transition-base);
    min-height: 180px;
    display: flex;
    flex-direction: column;
}

.dash-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.dash-card.center {
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 140px;
}

.dash-card-title {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.dash-card-value {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.2;
}

.dash-card-value.blue {
    color: #3b82f6;
}

.dash-card-value.red {
    color: #ef4444;
}

.dash-card-value.gray {
    color: #94a3b8;
}

.dash-card-unit {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-left: 0.25rem;
}

/* 空状态 */
.dash-empty-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    height: 100%;
    min-height: 80px;
}

/* 横向柱状图 */
.dash-hbar-chart {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    justify-content: center;
    padding-top: var(--spacing-sm);
    min-height: 140px;
}

.dash-hbar-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dash-hbar-label {
    width: 36px;
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.dash-hbar-track {
    flex: 1;
    height: 18px;
    background: #f1f5f9;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.dash-hbar-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 100%);
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.dash-hbar-value {
    width: 32px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #3b82f6;
    text-align: left;
    flex-shrink: 0;
}

.dash-hbar-axis {
    display: flex;
    justify-content: space-between;
    padding-left: 46px;
    padding-right: 42px;
    margin-top: 4px;
}

.dash-hbar-axis span {
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

/* 饼图 v2 */
.dash-pie-wrap-v2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    flex: 1;
}

.dash-pie-v2 {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.dash-pie-v2-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 55px;
    height: 55px;
    background: white;
    border-radius: 50%;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.05);
}

.dash-pie-v2-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 180px;
}

.dash-v2-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--color-text-secondary);
}

.dash-v2-dot {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    flex-shrink: 0;
}

.dash-v2-dot.purple { background: #a78bfa; }
.dash-v2-dot.amber { background: #f59e0b; }
.dash-v2-dot.orange { background: #f97316; }
.dash-v2-dot.blue { background: #3b82f6; }
.dash-v2-dot.green { background: #10b981; }

.dash-v2-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dash-v2-value {
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.dash-v2-percent {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* 柱状图 */
.dash-bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 4px;
    flex: 1;
    padding-top: var(--spacing-md);
    min-height: 140px;
}

.dash-bar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.dash-bar-label {
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.dash-bar-track {
    width: 100%;
    max-width: 32px;
    height: 100px;
    background: #f1f5f9;
    border-radius: 3px 3px 0 0;
    position: relative;
    overflow: hidden;
}

.dash-bar-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #3b82f6;
    border-radius: 3px 3px 0 0;
    transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.dash-bar-num {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 1024px) {
    .dash-grid-row.three-cols {
        grid-template-columns: 1fr;
    }
    .dash-grid-row.four-cols {
        grid-template-columns: repeat(2, 1fr);
    }
    .dash-grid-row.two-cols {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dash-grid-row.four-cols {
        grid-template-columns: 1fr 1fr;
    }
    .dash-card-value {
        font-size: 2rem;
    }
    .dash-pie-wrap-v2 {
        flex-direction: column;
    }
    .dash-bar-chart {
        min-height: 100px;
    }
    .dash-bar-track {
        max-width: 24px;
        height: 70px;
    }
}

@media (max-width: 480px) {
    .dash-grid-row.four-cols {
        grid-template-columns: 1fr;
    }
    .dash-card {
        min-height: auto;
        padding: var(--spacing-md);
    }
}

/* === Services === */
.services {
    background: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.service-card.highlight {
    background: var(--gradient-dark);
    color: white;
    border-color: transparent;
}

.service-card.highlight p {
    color: rgba(255, 255, 255, 0.7);
}

.service-num {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.service-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.service-card.highlight h4 {
    color: white;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.service-card p strong {
    color: var(--color-primary);
}

.service-card.highlight p strong {
    color: white;
}

/* === Partners === */
.partners {
    background: var(--color-bg);
}

.partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.partner-card {
    width: calc(14.285% - 1.29rem);
    min-width: 110px;
    aspect-ratio: 1 / 1;
    background: #f0f0f0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

.partner-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 0 2px rgba(0,0,0,0.12));
}

@media (max-width: 1024px) {
    .partner-card {
        width: calc(20% - 1.2rem);
    }
}

@media (max-width: 768px) {
    .partner-grid {
        gap: 1rem;
    }
    .partner-card {
        width: calc(25% - 0.75rem);
    }
}

@media (max-width: 480px) {
    .partner-grid {
        gap: 0.75rem;
    }
    .partner-card {
        width: calc(33.333% - 0.5rem);
    }
}

/* === Contact === */
.contact {
    background: var(--color-bg-dark);
    color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    justify-items: center;
}

.contact-info .section-title {
    color: white;
}

.contact-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-person {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.contact-person-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: white;
}

.contact-person-info p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-method {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.25rem;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    width: fit-content;
}

.contact-method:hover {
    background: rgba(245, 158, 11, 0.25);
    transform: translateY(-1px);
}

/* Contact QR Code */
.contact-qr-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    max-width: 360px;
}

.qr-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.15);
}

.qr-card-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(7, 193, 96, 0.15);
    color: #07c160;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.qr-card-body {
    width: 260px;
    height: 260px;
    margin: 0 auto var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.qr-code-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-md);
}



.qr-card-tip {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* === Footer === */
.footer {
    background: #0a0f1a;
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-brand .logo-text {
    font-weight: 700;
    color: white;
}

.footer-brand p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-info {
    text-align: right;
}

.footer-info p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.8;
}

.copyright {
    margin-top: var(--spacing-xs);
}

/* === Reveal Animations === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.pain-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.pain-grid .reveal:nth-child(2) { transition-delay: 100ms; }
.pain-grid .reveal:nth-child(3) { transition-delay: 200ms; }
.pain-grid .reveal:nth-child(4) { transition-delay: 300ms; }

.services-grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services-grid .service-card:nth-child(2) { transition-delay: 80ms; }
.services-grid .service-card:nth-child(3) { transition-delay: 160ms; }
.services-grid .service-card:nth-child(4) { transition-delay: 240ms; }
.services-grid .service-card:nth-child(5) { transition-delay: 320ms; }

/* === Responsive === */
@media (max-width: 1024px) {
    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .feature-row.reverse .feature-visual {
        order: -1;
    }

    .feature-row.reverse .feature-text {
        order: 1;
    }

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

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .services-grid .service-card:last-child {
        grid-column: span 2;
        max-width: 300px;
        justify-self: center;
    }

    .chart-dual {
        grid-template-columns: 1fr;
    }

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

    .bar-label {
        width: 90px;
        font-size: 0.72rem;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
        --spacing-4xl: 3.5rem;
        --spacing-3xl: 2.5rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-xl);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
    }

    .nav-links.active {
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .hero-stats {
        gap: var(--spacing-xl);
    }

    .stat-number {
        font-size: 1.35rem;
    }

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

    .feature-screen {
        max-width: 100%;
    }

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

    .feature-cards .fcard:last-child {
        grid-column: auto;
    }

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

    .services-grid .service-card:last-child {
        grid-column: span 2;
        max-width: none;
    }

    .partner-list {
        gap: var(--spacing-md);
    }

    .partner-item {
        padding: var(--spacing-lg) var(--spacing-xl);
    }

    .ai-dimensions {
        gap: var(--spacing-sm);
    }

    .dimension-item {
        padding: 0.6rem 1rem;
    }

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

    .footer-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .services-grid .service-card:last-child {
        grid-column: auto;
    }

    .ai-dimensions {
        gap: 0.4rem;
    }

    .dimension-item {
        min-width: 60px;
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }

    .dim-icon {
        font-size: 1.2rem;
    }

    .bar-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .bar-label {
        width: auto;
        text-align: left;
        font-size: 0.7rem;
    }
}