:root {
    --primary-color: #e63946;
    --primary-light: #ffebec;
    --secondary-color: #2a9d8f;
    --text-main: #1d3557;
    --text-light: #457b9d;
    --bg-main: #f8f9fa;
    --bg-card: #ffffff;
    --border-color: #e9ecef;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(230, 57, 70, 0.15);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.app-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-card);
    min-height: 100vh;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

/* Hero Section */
.hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    background: url('static/pic/maoming_lychee_farm_1778894601163.png') center/cover no-repeat;
    display: flex;
    align-items: flex-end;
    padding: 30px 20px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    width: 100%;
}

.tag {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 12px;
}

.hero-content h1 {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content h2 {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 14px;
}

.hero-lead {
    max-width: 32rem;
    font-size: 0.98rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 22px;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: scale(0.98);
}

/* Sections */
.section {
    padding: 30px 20px;
}

.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-intro {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Intro Section */
.intro-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.intro-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.intro-text {
    padding: 20px;
}

.intro-text h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.intro-text p {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.intro-text strong {
    color: var(--text-main);
}

.impact {
    background: linear-gradient(180deg, #fff7f7 0%, #fff 100%);
}

.impact-copy h3 {
    font-size: 1.35rem;
    color: var(--text-main);
    margin-bottom: 10px;
}

.impact-copy p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.impact-eyebrow {
    color: var(--primary-color);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.impact-points {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 18px;
}

.impact-point {
    background: white;
    border: 1px solid rgba(230, 57, 70, 0.12);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.impact-point strong {
    display: block;
    color: var(--text-main);
    margin-bottom: 4px;
    font-size: 1rem;
}

.impact-point span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.package-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.package-card input {
    display: none;
}

.package-card .card-content {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    height: 100%;
}

.package-card input:checked+.card-content {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.package-card h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.package-card .desc {
    font-size: 0.8rem;
    color: var(--text-light);
}

.package-card input:checked+.card-content .desc {
    color: var(--primary-color);
}

.input-group {
    margin-bottom: 12px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--bg-main);
    transition: border-color 0.2s;
}

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

.address-picker {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (min-width: 480px) {
    .address-picker {
        flex-direction: row;
        gap: 8px;
    }

    .address-picker select {
        flex: 1;
        min-width: 0;
        /* Fix flexbox overflow */
    }
}

/* Price Summary */
.price-summary {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 24px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-light);
}

.price-row.total {
    margin-bottom: 0;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
    color: var(--text-main);
    font-weight: 700;
}

.highlight {
    color: var(--secondary-color);
    font-weight: 500;
}

.price {
    color: var(--primary-color);
}

.price strong {
    font-size: 1.5rem;
}

.submit-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s;
}

.submit-btn:active {
    transform: scale(0.98);
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    background-color: var(--bg-main);
}

.footer p + p {
    margin-top: 6px;
}

.contact-line {
    margin-top: 12px;
}

.phone-card {
    width: auto;
    min-width: 0;
    margin: 0 auto;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(42, 157, 143, 0.16);
    background: #ffffff;
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--text-main);
    font: inherit;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.phone-card:hover {
    border-color: rgba(42, 157, 143, 0.32);
    box-shadow: var(--shadow-md);
}

.phone-card:active {
    transform: scale(0.98);
}

.phone-card-label {
    font-size: 0.8rem;
    color: var(--text-light);
    white-space: nowrap;
}

.phone-card-number {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 0.04em;
    white-space: nowrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 400px;
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    text-align: center;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.contact-modal-content {
    max-width: 560px;
    padding: 28px 22px 22px;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
}

.modal h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.modal-desc {
    color: var(--text-main);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.qr-container {
    background: var(--bg-main);
    padding: 15px;
    border-radius: var(--radius-md);
    display: inline-block;
    margin-bottom: 10px;
}

.qr-code {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.wechat-tip {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.contact-options {
    display: grid;
    gap: 12px;
}

.contact-panel {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 16px 14px;
}

.contact-panel .qr-container {
    margin-bottom: 10px;
    padding: 12px;
}

.contact-panel-label {
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.phone-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid rgba(42, 157, 143, 0.2);
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    box-shadow: var(--shadow-sm);
}

.contact-panel-note {
    margin-top: 10px;
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.5;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
}

@media (min-width: 640px) {
    .impact-points {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .contact-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
    }

    .contact-modal-content .qr-code {
        width: 180px;
        height: 180px;
    }
}