/* ========================================
   网上立案 - CSS Variables & Base Styles
   ======================================== */

:root {
    /* Color Palette - 更专业、更信赖的配色 */
    --color-primary: #0f2942;
    --color-primary-light: #1e4976;
    --color-primary-dark: #071524;
    --color-secondary: #b8860b;
    --color-secondary-light: #d4a61e;
    --color-secondary-dark: #8b6508;
    --color-background: #f8f9fa;
    --color-background-alt: #eef1f5;
    --color-text: #1a202c;
    --color-text-light: #4a5568;
    --color-text-lighter: #718096;
    --color-white: #ffffff;
    --color-border: #cbd5e0;
    
    /* Typography */
    --font-heading: 'Noto Serif SC', serif;
    --font-body: 'Noto Sans SC', sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px 0;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

/* Typography */
.highlight {
    color: var(--color-secondary);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 120px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon-wrapper {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 8px 24px rgba(26, 54, 93, 0.3);
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    stroke-width: 2;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
}

.logo-subtitle {
    font-size: 14px;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu a {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    position: relative;
}

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

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition-fast) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 54, 93, 0.4);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.05) 0%, rgba(201, 162, 39, 0.08) 50%, rgba(26, 54, 93, 0.05) 100%);
    z-index: -2;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(26, 54, 93, 0.12);
    color: var(--color-primary);
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease;
    border: 1px solid rgba(26, 54, 93, 0.15);
}

.badge-dot {
    width: 10px;
    height: 10px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.2);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.15;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--color-text-light);
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.4s both;
    line-height: 1.6;
}

.hero-promise {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: 24px 48px;
    border-radius: 16px;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 56px;
    box-shadow: 0 12px 40px rgba(15, 41, 66, 0.4);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.promise-icon {
    font-size: 36px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    animation: fadeInUp 0.8s ease 1s both;
    padding: 40px 60px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 8px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--color-border);
}

/* Hero Decorations */
.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: -1;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}

.deco-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.1) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

.deco-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(26, 54, 93, 0.08) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
}

.deco-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
    opacity: 0.2;
}

.deco-line-1 {
    width: 200px;
    height: 1px;
    top: 30%;
    left: 5%;
    transform: rotate(-30deg);
}

.deco-line-2 {
    width: 150px;
    height: 1px;
    bottom: 25%;
    right: 10%;
    transform: rotate(30deg);
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.1) 0%, rgba(201, 162, 39, 0.1) 100%);
    color: var(--color-primary);
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-header.light .section-title,
.section-header.light .section-tag {
    color: var(--color-white);
}

.section-header.light .section-tag {
    background: rgba(255, 255, 255, 0.15);
}

.section-header.light .section-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Pain Points Section
   ======================================== */

.pain-points {
    padding: var(--section-padding);
    background: var(--color-white);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.pain-card {
    background: var(--color-background);
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.pain-icon {
    width: 48px;
    height: 48px;
    color: var(--color-secondary);
    margin-bottom: 24px;
}

.pain-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.pain-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-white) 100%);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon-wrapper {
    position: relative;
    margin-bottom: 28px;
    display: inline-block;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 64px;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.1;
    position: absolute;
    top: -30px;
    right: -40px;
    line-height: 1;
}

.service-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 8px 24px rgba(26, 54, 93, 0.25);
    position: relative;
    z-index: 1;
}

.service-icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 2;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-5deg);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    box-shadow: 0 12px 32px rgba(184, 134, 11, 0.35);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.service-desc {
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 24px;
    line-height: 1.8;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-list li {
    font-size: 14px;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list li::before {
    content: '✓';
    color: var(--color-secondary);
    font-weight: 600;
}

/* ========================================
   Process Section
   ======================================== */

.process {
    padding: var(--section-padding);
    background: var(--color-white);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 80px;
    right: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    z-index: 0;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 1;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 8px 25px rgba(26, 54, 93, 0.3);
    transition: all var(--transition-base);
}

.process-step:hover .step-icon {
    transform: scale(1.1);
}

.step-icon span {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-white);
}

.step-content {
    max-width: 200px;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 12px;
    line-height: 1.7;
}

.step-time {
    font-size: 13px;
    color: var(--color-secondary);
    font-weight: 500;
}

.step-connector {
    position: absolute;
    top: 76px;
    right: -50%;
    width: 100%;
    height: 3px;
    z-index: 0;
}

.process-step.last .step-connector {
    display: none;
}

/* ========================================
   Promise Section
   ======================================== */

.promise {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.promise-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    z-index: -1;
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.promise-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 28px;
    border-radius: 16px;
    text-align: center;
    transition: all var(--transition-base);
}

.promise-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.promise-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    color: var(--color-secondary);
}

.promise-icon svg {
    width: 100%;
    height: 100%;
}

.promise-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 12px;
}

.promise-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials {
    padding: var(--section-padding);
    background: var(--color-background);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    color: var(--color-secondary);
    font-size: 18px;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 28px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 18px;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-name {
    font-weight: 600;
    color: var(--color-primary);
}

.author-case {
    font-size: 13px;
    color: var(--color-text-light);
}

/* ========================================
   FAQ Section
   ======================================== */

.faq {
    padding: var(--section-padding);
    background: var(--color-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 17px;
    font-weight: 500;
    color: var(--color-primary);
    text-align: left;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-secondary);
}

.faq-icon {
    font-size: 24px;
    color: var(--color-secondary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-background-alt) 100%);
    z-index: -1;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: end;
}

.contact-content {
    padding-right: 40px;
}

/* 联系方法区域 */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

/* 二维码区域 - 无边框版本 */
.qr-codes {
    display: flex;
    justify-content: flex-start;
    gap: 32px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px 20px;
    background: var(--color-white);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(4px);
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(15, 41, 66, 0.08);
}

.method-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.method-icon svg {
    width: 26px;
    height: 26px;
}

.method-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.method-label {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 500;
}

.method-value {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-primary);
}

/* 支付二维码区域 - 优化样式 */
.payment-qr-section {
    margin-top: 48px;
    padding: 36px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.qr-code-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-code-wrapper {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-bottom: 12px;
    transition: all 0.3s ease;
    border: 2px solid var(--color-border);
}

.qr-code-wrapper:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--color-secondary);
}

.qr-placeholder {
    width: 100%;
    height: 100%;
}

.qr-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.contact-desc {
    font-size: 17px;
    color: var(--color-text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: 48px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 32px;
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-size: 15px;
    transition: all var(--transition-fast);
    background: var(--color-background);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 20px;
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 16px;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--color-primary-dark);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo {
    margin-bottom: 28px;
}

.footer-brand .logo-icon-wrapper {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    box-shadow: 0 8px 24px rgba(184, 134, 11, 0.4);
}

.footer-brand .logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-brand .logo-text {
    color: var(--color-white);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
}

.footer-brand .logo-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 28px;
    position: relative;
    padding-bottom: 12px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--color-secondary);
    border-radius: 2px;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-column li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: var(--color-secondary);
    padding-left: 4px;
}

/* 友情链接 */
.friend-links {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.friend-links h4 {
    font-size: 16px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 20px;
}

.friend-links .link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
}

.friend-links .link-list a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.friend-links .link-list a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    padding: 28px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.15);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    margin: 0;
    font-weight: 500;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-bottom-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.3s ease;
    font-weight: 500;
}

.footer-bottom-links a:hover {
    color: var(--color-secondary);
}

.footer-bottom-links span {
    color: rgba(255, 255, 255, 0.25);
}

/* ========================================
   Toast Notification
   ======================================== */

.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 16px 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 9999;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast-icon {
    width: 24px;
    height: 24px;
    background: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Contact List Styles (Footer)
   ======================================== */

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.contact-item.address {
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    min-width: 40px;
}

.contact-value {
    color: rgba(255, 255, 255, 0.85);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .process-timeline {
        flex-wrap: wrap;
        gap: 40px;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .process-step {
        flex: 0 0 calc(50% - 20px);
    }
    
    .step-connector {
        display: none;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        padding-right: 0;
        text-align: center;
    }
    
    .contact-methods {
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .friend-links {
        text-align: center;
    }
    
    .friend-links .link-list {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 120px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        display: block;
        padding: 14px 20px;
    }
    
    .nav-cta {
        display: inline-block;
        margin-top: 10px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .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);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-divider {
        width: 50px;
        height: 1px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        flex: 0 0 100%;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        margin-bottom: 20px;
    }
    
    .qr-codes {
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-promise {
        font-size: 18px;
        padding: 14px 24px;
    }
    
    .btn {
        padding: 12px 24px;
        width: 100%;
    }
    
    .pain-grid,
    .service-grid,
    .promise-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 26px;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .navbar,
    .hero-decoration,
    .toast,
    .nav-toggle {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 60px 0;
    }
    
    body {
        background: white;
        color: black;
    }
}