/* mirror_flow:p6_ai_generated */
:root {
    --primary: #4a7c59;
    --primary-dark: #2d5a3a;
    --primary-light: #6b9e78;
    --primary-pale: #e8f0ea;
    --accent: #c8944a;
    --accent-light: #dbb76e;
    --accent-dark: #a07532;
    --bg-warm: #faf7f2;
    --bg-cream: #fdfaf5;
    --bg-white: #ffffff;
    --text-dark: #2c2416;
    --text-body: #4a3f2f;
    --text-muted: #7a6f5e;
    --text-light: #a09582;
    --border: #e5ddd0;
    --border-light: #f0ebe0;
    --shadow-sm: 0 1px 3px rgba(44, 36, 22, 0.06);
    --shadow-md: 0 4px 12px rgba(44, 36, 22, 0.08);
    --shadow-lg: 0 8px 30px rgba(44, 36, 22, 0.10);
    --shadow-xl: 0 16px 48px rgba(44, 36, 22, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --font-heading: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 'KaiTi', 'STKaiti', serif;
    --font-body: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.0625rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --max-width: 1280px;
    --max-width-narrow: 960px;
    --header-height: 72px;
    --transition-fast: 0.18s ease;
    --transition-base: 0.28s ease;
    --transition-slow: 0.45s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.75;
    color: var(--text-body);
    background-color: var(--bg-warm);
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    line-height: 1.35;
    font-weight: 600;
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

.container-narrow {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-alt {
    background-color: var(--bg-cream);
}

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

.section-primary-pale {
    background-color: var(--primary-pale);
}

/* ========== Header / Navigation ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.logo img {
    height: 42px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.03em;
}

.logo-text small {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    font-family: var(--font-body);
}

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

.nav-list li a {
    display: block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-body);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.nav-list li a.btn-nav {
    background: var(--primary);
    color: #fff;
    padding: 0.55rem 1.35rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

.nav-list li a.btn-nav:hover {
    background: var(--primary-dark);
    color: #fff;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    flex-direction: column;
    gap: 5px;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all var(--transition-fast);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(165deg, var(--primary-pale) 0%, var(--bg-warm) 40%, var(--bg-cream) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(200, 148, 74, 0.10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -60px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(74, 124, 89, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.02em;
    line-height: 1.25;
}

.hero-content h1 em {
    font-style: normal;
    color: var(--primary);
    position: relative;
}

.hero-content h1 em::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 10px;
    background: rgba(74, 124, 89, 0.12);
    border-radius: 2px;
    z-index: -1;
}

.hero-content .subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-height: 440px;
    object-fit: cover;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    text-align: center;
    font-family: var(--font-body);
    line-height: 1.5;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(74, 124, 89, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 4px 16px rgba(74, 124, 89, 0.35);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(200, 148, 74, 0.25);
}

.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    box-shadow: 0 4px 16px rgba(200, 148, 74, 0.35);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

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

.btn-outline-accent:hover {
    background: var(--accent);
    color: #fff;
}

.btn-lg {
    padding: 0.9rem 2.25rem;
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

/* ========== Section Headings ========== */
.section-heading {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-heading .label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-sm);
    background: rgba(200, 148, 74, 0.1);
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
}

.section-heading h2 {
    font-size: var(--font-size-4xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-heading p {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== Product Cards Grid ========== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.product-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--bg-cream);
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    letter-spacing: 0.04em;
}

.product-card-body {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-body h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.product-card-body p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    flex: 1;
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-md);
}

.product-card-footer .price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-dark);
}

.product-card-footer .price-unit {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 400;
}

/* ========== Feature Highlights ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

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

.feature-item:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary-pale);
    margin-bottom: var(--spacing-lg);
    font-size: 1.75rem;
}

.feature-item h4 {
    font-size: var(--font-size-xl);
    margin-bottom