/* ========================================
   浮光绘网络 - 企业官网样式
   Design: Elegant & Refined
   Color Palette: Soft Rose + Muted Lavender
   白底为主，低饱和度配色，突出内容向灵感与女性向精致
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors - 低饱和度暖玫瑰 */
    --primary: #c9a0b8;
    --primary-light: #dbc5d2;
    --primary-dark: #a07a94;
    --primary-50: #faf5f8;
    --primary-100: #f3e8ef;
    --primary-200: #e6d0dc;
    
    /* Secondary Colors - 柔薰衣草紫 */
    --secondary: #9b8ec1;
    --secondary-light: #b5abd4;
    --secondary-dark: #7d6fa8;
    --secondary-50: #f5f3fa;
    
    /* Accent Colors */
    --accent: #d4a0b0;
    --accent-light: #e6c5cf;
    
    /* Neutral Colors - 暖灰调 */
    --gray-50: #fdfcfd;
    --gray-100: #f7f4f6;
    --gray-200: #ebe5e9;
    --gray-300: #d5cdd3;
    --gray-400: #b0a6ae;
    --gray-500: #8a8088;
    --gray-600: #655c64;
    --gray-700: #4a4348;
    --gray-800: #332e32;
    --gray-900: #1e1a1d;
    
    /* Text Colors - 温暖深色 */
    --text-primary: #3a2f35;
    --text-secondary: #6d5f66;
    --text-tertiary: #9a8d94;
    --text-inverse: #ffffff;
    
    /* Background Colors - 暖白 */
    --bg-white: #ffffff;
    --bg-light: #fdfcfd;
    --bg-warm: #faf5f8;
    --bg-dark: #3a2f35;
    --bg-gradient-warm: linear-gradient(135deg, #faf5f8 0%, #f3e8ef 30%, #f0ebf5 70%, #f5f3fa 100%);
    --bg-gradient-cool: linear-gradient(135deg, #f5f3fa 0%, #f0ebf5 50%, #f3e8ef 100%);
    
    /* Shadows - 柔和暖调 */
    --shadow-xs: 0 1px 2px rgba(58, 47, 53, 0.04);
    --shadow-sm: 0 2px 8px rgba(58, 47, 53, 0.05);
    --shadow-md: 0 4px 16px rgba(58, 47, 53, 0.06);
    --shadow-lg: 0 8px 32px rgba(58, 47, 53, 0.08);
    --shadow-xl: 0 16px 48px rgba(58, 47, 53, 0.1);
    --shadow-primary: 0 4px 16px rgba(201, 160, 184, 0.2);
    --shadow-secondary: 0 4px 16px rgba(155, 142, 193, 0.2);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 160, 184, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 9px;
    letter-spacing: 3px;
    color: var(--text-tertiary);
    margin-top: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition-fast);
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 1px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-dark);
}

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

.nav-cta {
    padding: 8px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-primary);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 160, 184, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-white);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

#particleCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(201, 160, 184, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 70%, rgba(155, 142, 193, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(212, 160, 176, 0.06) 0%, transparent 60%);
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 24px;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 20px;
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.15s backwards;
}

.title-line {
    display: block;
    color: var(--text-primary);
}

.title-line.accent {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
    animation: fadeInUp 0.8s ease-out 0.45s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(201, 160, 184, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-200);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Noto Serif SC', serif;
}

.hero-stat-suffix {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.hero-stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
    z-index: 2;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--gray-300);
    border-radius: 12px;
    margin: 0 auto 8px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

.scroll-text {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 2px;
}

/* ========================================
   Section Common Styles
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

.about-main {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.about-lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.about-card {
    padding: 32px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    text-align: center;
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-100);
}

.about-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.about-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Projects Section
   ======================================== */
.projects {
    padding: 120px 0;
    background: var(--bg-white);
}

.projects-showcase {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.project-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 40px;
    background: var(--bg-warm);
    border-radius: var(--radius-xl);
    border: 1px solid var(--primary-100);
}

.project-featured-reverse {
    direction: rtl;
}

.project-featured-reverse > * {
    direction: ltr;
}

.project-featured-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--bg-gradient-warm);
}

.project-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-featured-image.no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.project-featured-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
}

.project-status {
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.status-launched {
    background: rgba(125, 177, 126, 0.15);
    color: #4a8a4c;
    border: 1px solid rgba(125, 177, 126, 0.3);
}

.status-development {
    background: rgba(155, 142, 193, 0.15);
    color: #7d6fa8;
    border: 1px solid rgba(155, 142, 193, 0.3);
}

.status-planning {
    background: rgba(201, 160, 184, 0.15);
    color: #a07a94;
    border: 1px solid rgba(201, 160, 184, 0.3);
}

.project-featured-tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.project-featured-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.project-featured-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-featured-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.tag {
    padding: 4px 14px;
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--primary-dark);
    font-weight: 500;
}

.tag-sm {
    padding: 2px 10px;
    background: var(--primary-50);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--primary-dark);
    font-weight: 500;
}

.project-featured-features {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.project-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.project-feature svg {
    color: var(--primary);
    flex-shrink: 0;
}

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

.project-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-100);
}

.project-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
}

.project-card-info {
    padding: 24px;
}

.project-card-info h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.project-card-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.project-card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ========================================
   Custom Service Section
   ======================================== */
.custom {
    padding: 120px 0;
    background: var(--bg-gradient-warm);
}

.custom-content {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.custom-intro {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.custom-intro h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.custom-intro p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.custom-service-card {
    padding: 32px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.custom-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.custom-service-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-100), var(--secondary-50));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.custom-service-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 20px;
}

.custom-service-card h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.custom-service-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.custom-service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.custom-service-list li {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    padding-left: 16px;
    position: relative;
}

.custom-service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--primary-200);
    border-radius: 50%;
}

/* Process */
.custom-process {
    text-align: center;
}

.custom-process h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.process-steps {
    display: flex;
    justify-content: center;
    gap: 0;
    position: relative;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 200px;
}

.process-step-dot {
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 4px var(--primary-50);
}

.process-step-line {
    position: absolute;
    top: 8px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--primary-100);
    z-index: 0;
}

.process-step:last-child .process-step-line {
    display: none;
}

.process-step-content {
    margin-top: 16px;
    text-align: center;
}

.process-step-content h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.process-step-content p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 120px 0;
    background: var(--bg-light);
}

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

.contact-info-card {
    padding: 36px;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    margin-bottom: 24px;
}

.contact-info-card h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.contact-info-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 28px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.contact-item-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

a.contact-value:hover {
    color: var(--primary-dark);
}

.contact-social {
    padding: 24px 36px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
}

.contact-social-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 12px;
    display: block;
}

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

.social-link {
    padding: 8px 18px;
    background: var(--primary-50);
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-dark);
    transition: var(--transition);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

/* Contact Email Card */
.contact-form-wrapper {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    overflow: hidden;
}

.contact-form {
    padding: 36px;
}

.contact-form h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-form-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.contact-form-tips {
    margin-top: 28px;
    padding: 20px 24px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--primary-100);
}

.contact-form-tips p {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.contact-form-tips ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-form-tips ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}

.contact-form-tips ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--primary-200);
    border-radius: 50%;
}

/* ========================================
   Footer - 柔和暖调深色
   ======================================== */
.footer {
    background: #3a2f35;
    padding: 64px 0 32px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 36px;
    filter: brightness(0) invert(1);
}

.footer .logo-fallback .logo-text {
    -webkit-text-fill-color: white;
    font-size: 20px;
}

.footer .logo-fallback .logo-subtitle {
    color: rgba(255, 255, 255, 0.5);
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

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

.footer-column a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollWheel {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0;
    }
}

/* Reveal Animation */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .about-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .custom-services {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-featured {
        grid-template-columns: 1fr;
        padding: 24px;
    }
    
    .process-steps {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .process-step {
        max-width: 160px;
    }
    
    .process-step-line {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none;
    }
    
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        display: flex;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-link {
        padding: 12px 16px;
        font-size: 15px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .hero-stat-number {
        font-size: 1.8rem;
    }
    
    .about-cards {
        grid-template-columns: 1fr;
    }
    
    .custom-services {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info-card {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        max-width: 240px;
    }
    
    .project-featured-features {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-content {
        padding: 0 16px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .hero-stat {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .hero-stat-label {
        margin-top: 0;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .contact-info-card {
        padding: 24px;
    }
    
    .project-featured {
        padding: 16px;
    }
}