/* ========================================
   梓尧非急救医疗转运服务平台 - 样式表
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #0066cc;
    --primary-dark: #004c99;
    --primary-light: #e6f2ff;
    --secondary-color: #00a859;
    --accent-color: #ff6b35;
    --text-dark: #333333;
    --text-light: #666666;
    --text-gray: #999999;
    --white: #ffffff;
    --bg-light: #f5f8fa;
    --bg-blue: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

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

ul {
    list-style: none;
}

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

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

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 60px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
}

.nav-list {
    display: flex;
    gap: 8px;
}

.nav-list a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-dark);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
    background: var(--primary-light);
}

.btn-nav {
    background: var(--primary-color) !important;
    color: var(--white) !important;
    font-weight: 500;
}

.btn-nav:hover {
    background: var(--primary-dark) !important;
}

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #001f3f 0%, #003366 50%, #004080 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="40" cy="70" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="80" r="1" fill="rgba(255,255,255,0.06)"/></svg>');
    background-size: 200px 200px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,51,102,0.3) 0%, rgba(0,51,102,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: 100px 0 60px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

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

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: #e55a28;
    border-color: #e55a28;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,107,53,0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-phone .phone-icon {
    font-size: 1.2rem;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255,255,255,0.7);
    border-bottom: 2px solid rgba(255,255,255,0.7);
    transform: rotate(45deg);
    animation: scrollDown 1.5s infinite;
}

@keyframes scrollDown {
    0%, 100% { opacity: 0.3; transform: rotate(45deg) translate(0,0); }
    50% { opacity: 1; transform: rotate(45deg) translate(5px, 5px); }
}

/* ========================================
   Section Common
   ======================================== */
.section {
    padding: 80px 0;
}

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

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

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-header.light .section-tag {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

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

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

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

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

.service-card {
    position: relative;
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.service-card.featured {
    background: var(--bg-blue);
    color: var(--white);
}

.service-card.featured h3,
.service-card.featured p,
.service-card.featured li {
    color: var(--white);
}

.service-card.featured .service-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    padding: 6px 16px;
    background: var(--accent-color);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.service-tags li {
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.8rem;
    border-radius: 50px;
}

.service-card.featured .service-tags li {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

/* ========================================
   Advantages Section
   ======================================== */
.advantages {
    background: var(--bg-blue);
}

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

.advantage-card {
    background: rgba(255,255,255,0.1);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.2);
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-4px);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(255,255,255,0.3);
    margin-bottom: 16px;
}

.advantage-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
}

/* ========================================
   Coverage Section
   ======================================== */
.coverage-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.coverage-map {
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
}

.map-placeholder {
    color: var(--primary-color);
}

.map-text {
    font-size: 2rem;
    margin-bottom: 16px;
}

.map-placeholder p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.coverage-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.coverage-item {
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.coverage-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.coverage-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.coverage-item p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text .section-tag {
    margin-bottom: 16px;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid #eee;
}

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

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Carousel Styles */
.carousel {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 400px;
    box-shadow: var(--shadow-md);
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
}

.carousel-item {
    min-width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.carousel-item.active {
    opacity: 1;
    position: relative;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.carousel-prev {
    left: 16px;
}

.carousel-next {
    right: 16px;
}

.carousel-indicators {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--white);
    width: 24px;
    border-radius: 5px;
}

/* ========================================
   Booking Section
   ======================================== */
.booking {
    background: var(--bg-light);
}

.booking-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.booking-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.booking-info > p {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.booking-hotline {
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.booking-hotline span {
    display: block;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.hotline-number {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.hotline-number:hover {
    color: var(--primary-dark);
}

.hotline-phones {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hotline-phones .hotline-number {
    font-size: 1.3rem;
}

.hotline-phones .hotline-number.primary {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.booking-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
}

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

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

.contact-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.wechat-qr {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    margin-top: 8px;
    object-fit: cover;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: #001f3f;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
}

.footer-keywords {
    font-size: 0.8rem !important;
    color: rgba(255,255,255,0.5) !important;
    line-height: 1.8;
}

.footer-keywords strong {
    color: rgba(255,255,255,0.7);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.footer-links ul li a:hover {
    color: var(--white);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 8px;
}

/* ========================================
   Floating Phone
   ======================================== */
.floating-phone {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.floating-phone a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    animation: phoneRing 1.5s infinite;
}

.floating-phone a:hover {
    background: var(--primary-dark);
}

.floating-phone .phone-icon {
    font-size: 1.5rem;
    color: var(--white);
}

.phone-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: ring 1.5s infinite;
}

@keyframes ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-10deg); }
    20%, 40% { transform: rotate(10deg); }
    50% { transform: rotate(0deg); }
}

.phone-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    padding: 10px 16px;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.floating-phone:hover .phone-tooltip {
    opacity: 1;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 992px) {
    .services-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .coverage-content,
    .about-content,
    .booking-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 4px;
    }
    
    .nav-list a {
        display: block;
        padding: 12px 16px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        gap: 20px;
    }
    
    .hero-feature {
        font-size: 0.95rem;
    }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .floating-phone {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-phone a {
        width: 50px;
        height: 50px;
    }
    
    .phone-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
}