/* ==================== 小美邻舍官网 - 牛油果绿主题 ==================== */

/* ---------- CSS Variables ---------- */
:root {
    /* 牛油果绿色系 */
    --avocado-50: #f4f9f0;
    --avocado-100: #e6f2dc;
    --avocado-200: #cee6bb;
    --avocado-300: #a8d48e;
    --avocado-400: #7ec05e;
    --avocado-500: #5ba83a;
    --avocado-600: #4a8a2e;
    --avocado-700: #3d6e26;
    --avocado-800: #345822;
    --avocado-900: #2c491f;

    /* 中性色 */
    --gray-50: #fafbfc;
    --gray-100: #f5f6f8;
    --gray-200: #ebedf0;
    --gray-300: #d1d5db;
    --gray-600: #6b7280;
    --gray-700: #4b5563;
    --gray-800: #374151;
    --gray-900: #1f2937;

    /* 主题色 */
    --primary: var(--avocado-500);
    --primary-light: var(--avocado-400);
    --primary-dark: var(--avocado-700);
    --primary-bg: var(--avocado-50);
    --accent: #f59e0b;

    /* 布局 */
    --max-width: 1200px;
    --section-padding: 100px 0;
    --nav-height: 72px;

    /* 动画 */
    --transition: 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*, *::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(--gray-800);
    line-height: 1.7;
    background: #fff;
    overflow-x: hidden;
}

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

ul { list-style: none; }

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

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

/* ---------- Buttons ---------- */
.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    font-weight: 500;
    font-size: 16px;
    transition: all var(--transition);
    border: 2px solid var(--primary);
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(91, 168, 58, 0.35);
}

.btn-outline {
    display: inline-block;
    padding: 14px 32px;
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 50px;
    font-weight: 500;
    font-size: 16px;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(91, 168, 58, 0.35);
}

.btn-large {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

/* ---------- Section Common ---------- */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--avocado-100);
    color: var(--primary-dark);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--avocado-400), var(--avocado-600));
    border-radius: 2px;
    margin: 16px auto;
}

.section-desc {
    font-size: 17px;
    color: var(--gray-600);
    max-width: 560px;
    margin: 0 auto;
    margin-top: 12px;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--gray-200);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-avocado {
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
}

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

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    padding: 4px 0;
}

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

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

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

.btn-join {
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
}

.btn-join:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    border-radius: 1px;
    transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--avocado-50) 0%, #fff 40%, var(--avocado-100) 70%, #fff 100%);
}

.hero-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
}

.deco-1 {
    width: 500px;
    height: 500px;
    background: var(--avocado-300);
    top: -100px;
    right: -100px;
}

.deco-2 {
    width: 300px;
    height: 300px;
    background: var(--avocado-200);
    bottom: 50px;
    left: -80px;
}

.deco-3 {
    width: 200px;
    height: 200px;
    background: var(--avocado-400);
    top: 30%;
    left: 60%;
    opacity: 0.08;
}

.deco-leaf {
    position: absolute;
    font-size: 40px;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
}

.deco-leaf:nth-child(4) { top: 15%; right: 15%; animation-delay: 0s; }
.deco-leaf:nth-child(5) { bottom: 25%; left: 10%; animation-delay: 2s; }
.deco-leaf:nth-child(6) { top: 40%; right: 8%; animation-delay: 4s; font-size: 32px; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(91, 168, 58, 0.1);
    border: 1px solid rgba(91, 168, 58, 0.2);
    border-radius: 30px;
    font-size: 14px;
    color: var(--primary-dark);
    font-weight: 500;
    margin-bottom: 28px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--avocado-500), var(--avocado-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 19px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
}

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

.stat-num {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
}

.stat-suffix {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 8px;
}

.scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--gray-600);
    font-size: 13px;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    margin: 8px auto 0;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- About ---------- */
.about {
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-heading {
    font-size: 30px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.about-text {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.value-card {
    padding: 24px 16px;
    background: var(--primary-bg);
    border-radius: 16px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(91, 168, 58, 0.12);
}

.value-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.value-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.value-card p {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.6;
}

.about-visual {
    position: relative;
}

.about-image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--avocado-100), var(--avocado-200));
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    text-align: center;
    color: var(--primary-dark);
}

.placeholder-icon {
    display: block;
    font-size: 80px;
    margin-bottom: 12px;
}

.placeholder-text {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.6;
}

.about-badge-float {
    position: absolute;
    bottom: 24px;
    right: -16px;
    background: #fff;
    padding: 16px 24px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge-label {
    font-size: 12px;
    color: var(--gray-600);
}

.badge-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
}

.badge-unit {
    font-size: 14px;
    color: var(--primary);
}

/* ---------- Brand Features ---------- */
.brand {
    background: var(--primary-bg);
}

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

.feature-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: 20px;
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(91, 168, 58, 0.12);
    border-color: var(--avocado-300);
}

.feature-main {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
    padding: 48px 32px;
    border: none;
}

.feature-main:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(91, 168, 58, 0.3);
}

.feature-main .feature-highlight {
    color: var(--avocado-200);
    font-weight: 600;
    font-size: 18px;
    margin: 8px 0 12px;
}

.feature-icon-wrap {
    margin-bottom: 16px;
}

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

.feature-main .feature-icon {
    font-size: 48px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.feature-main h3 {
    color: #fff;
    font-size: 26px;
}

.feature-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

.feature-main p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- About Promise ---------- */
.about-promise {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
    margin-bottom: 24px;
}

.promise-box {
    padding: 20px;
    background: var(--primary-bg);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.promise-box h4 {
    font-size: 15px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.promise-box p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ---------- Brand Three No (三绝不) ---------- */
.brand-three-no {
    margin-top: 28px;
    padding: 28px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-radius: 16px;
    border: 1px solid var(--avocado-200);
}

.brand-three-no h4 {
    font-size: 17px;
    color: var(--primary-dark);
    margin-bottom: 20px;
    text-align: center;
}

.three-no-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.three-no-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 12px;
    background: #fff;
    border-radius: 12px;
    border: 2px dashed var(--avocado-300);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.three-no-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(91, 168, 58, 0.15);
}

.three-no-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.three-no-item strong {
    font-size: 14px;
    color: var(--gray-800);
    text-align: center;
}

.three-no-desc {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--avocado-200);
}

.about-quote {
    font-style: italic !important;
    color: var(--gray-700) !important;
    background: var(--gray-50);
    padding: 20px 24px;
    border-radius: 12px;
    border-left: 4px solid var(--accent);
    margin-top: 20px !important;
}

.about-signature {
    text-align: right;
    color: var(--primary-dark) !important;
    font-weight: 500;
    margin-top: 8px !important;
}

/* ---------- Brand Endorsements (品牌背书) ---------- */
.endorsements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.endorsement-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: transform var(--transition), box-shadow var(--transition);
}

.endorsement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.endorsement-media {
    position: relative;
    overflow: hidden;
    background: #f0f0f0;
}

.endorsement-img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 220px;
    object-fit: cover;
}

/* B站视频 iframe 播放器 */
.endorsement-video-area {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 比例 */
    background: #000;
}

.bilibili-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-link-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    cursor: pointer;
    transition: background 0.3s;
}

.video-link-area:hover {
    background: linear-gradient(135deg, #16213e, #1a1a2e, #0f3460);
}

.play-icon-circle {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 16px;
    backdrop-filter: blur(4px);
}

.video-title {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.endorsement-info {
    padding: 20px 24px;
}

.endorsement-info h5 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.endorsement-highlight {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.endorsement-detail {
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 12px;
    line-height: 1.6;
}

.endorsement-link {
    display: inline-block;
    font-size: 14px;
    color: var(--primary-dark);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid var(--avocado-300);
    transition: color 0.2s, border-color 0.2s;
}

.endorsement-link:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .endorsements-grid {
        grid-template-columns: 1fr;
    }
    .endorsement-video-area {
        padding-top: 56.25%;
    }
}

/* ---------- Market Insight (市场数据) ---------- */
.market-insight {
    margin-top: 28px;
    padding: 28px;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    border-radius: 16px;
    border: 1px solid #bfdbfe;
}

.market-insight h4 {
    font-size: 17px;
    color: #1e40af;
    margin-bottom: 20px;
    text-align: center;
}

.market-data-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.market-data-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #dbeafe;
    transition: transform 0.3s ease;
}

.market-data-item:hover {
    transform: scale(1.03);
}

.market-data-item.highlight-red {
    background: #fef2f2;
    border-color: #fecaca;
    grid-column: span 2;
}

.data-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.market-data-item.highlight-red .data-num {
    color: #dc2626;
}

.data-label {
    font-size: 13px;
    color: var(--gray-600);
    margin-top: 8px;
    line-height: 1.5;
}

.data-label small {
    color: var(--gray-500);
    font-size: 11px;
}

.market-conclusion {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.8;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid #bfdbfe;
}

/* ---------- Product System ---------- */
.product-system {
    margin-bottom: 64px;
}

.product-system:last-child {
    margin-bottom: 0;
}

.system-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gray-200);
}

.system-icon {
    font-size: 28px;
}

.system-header h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
}

.system-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--avocado-100);
    color: var(--primary-dark);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.product-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.product-price {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px dashed var(--gray-200);
    font-size: 14px;
    color: var(--gray-600);
    align-items: center;
}

.price-member {
    color: var(--primary-dark);
    font-weight: 600;
}

.price-item strong {
    font-size: 20px;
}

/* ---------- Products ---------- */
.products {
    background: #fff;
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    padding: 40px 32px;
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.product-healthy::before { background: linear-gradient(90deg, #60a5fa, #3b82f6); }
.product-problem::before { background: linear-gradient(90deg, var(--avocado-400), var(--avocado-600)); }
.product-aging::before { background: linear-gradient(90deg, #f472b6, #ec4899); }

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.product-type {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.product-healthy .product-type { background: #eff6ff; color: #3b82f6; }
.product-problem .product-type { background: var(--avocado-100); color: var(--primary-dark); }
.product-aging .product-type { background: #fdf2f8; color: #ec4899; }

.product-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.product-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.product-card > p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-list {
    text-align: left;
    padding-left: 4px;
}

.product-list li {
    font-size: 14px;
    color: var(--gray-700);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    border-bottom: 1px dashed var(--gray-200);
}

.product-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.product-list li:last-child {
    border-bottom: none;
}

/* ---------- Stores ---------- */
.stores {
    background: var(--primary-bg);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 200px);
    gap: 16px;
}

.store-large {
    grid-column: span 2;
    grid-row: span 2;
}

.store-card {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: transform var(--transition);
    cursor: pointer;
}

.store-card:hover {
    transform: scale(1.03);
}

.store-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--avocado-200), var(--avocado-300));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.store-label {
    font-size: 14px;
    color: var(--primary-dark);
    font-weight: 500;
}

.store-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
    color: #fff;
}

.store-info h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.store-info p {
    font-size: 12px;
    opacity: 0.8;
}

/* ---------- Join ---------- */
.join {
    background: #fff;
}

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

.join-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--primary-bg);
    border-radius: 16px;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.benefit-item:hover {
    background: #fff;
    border-color: var(--avocado-300);
    box-shadow: 0 8px 25px rgba(91, 168, 58, 0.1);
}

.benefit-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--avocado-200);
    line-height: 1;
    min-width: 48px;
}

.benefit-text h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.benefit-text p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

.join-cta-card {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 48px 40px;
    border-radius: 24px;
    text-align: center;
    position: sticky;
    top: calc(var(--nav-height) + 24px);
}

.cta-avocado {
    font-size: 60px;
    margin-bottom: 16px;
}

.join-cta-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 32px;
}

.cta-invest {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-invest:last-of-type {
    border-bottom: none;
    margin-bottom: 32px;
}

.invest-label {
    font-size: 15px;
    opacity: 0.8;
}

.invest-value {
    font-size: 18px;
}

.invest-value strong {
    font-size: 28px;
    color: var(--avocado-200);
}

.cta-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.cta-contact .btn-primary {
    background: #fff;
    color: var(--primary-dark);
    border-color: #fff;
}

.cta-contact .btn-primary:hover {
    background: var(--avocado-100);
    border-color: var(--avocado-100);
}

.cta-contact .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.cta-contact .btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    color: #fff;
}

/* ---------- Contact ---------- */
.contact {
    background: var(--primary-bg);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: #fff;
    border-radius: 16px;
    transition: all var(--transition);
}

.contact-item:hover {
    box-shadow: 0 8px 25px rgba(91, 168, 58, 0.1);
}

.contact-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-900);
}

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

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

.contact-map {
    border-radius: 20px;
    overflow: hidden;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 360px;
    background: linear-gradient(135deg, var(--avocado-100), var(--avocado-200));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.map-icon {
    font-size: 64px;
}

.map-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--gray-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.footer-logo .logo-text {
    color: #fff;
}

.footer-desc {
    font-size: 15px;
    line-height: 1.8;
}

.footer-links h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-links li {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--avocado-400);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 14px;
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    box-shadow: 0 4px 15px rgba(91, 168, 58, 0.3);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-values {
        grid-template-columns: repeat(3, 1fr);
    }

    .brand-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-showcase {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .join-content {
        grid-template-columns: 1fr;
    }

    .join-cta-card {
        position: static;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px 0;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-num {
        font-size: 32px;
    }

    .section-title {
        font-size: 30px;
    }

    .brand-features {
        grid-template-columns: 1fr;
    }

    .stores-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }

    .store-large {
        grid-column: span 2;
        grid-row: span 1;
        height: 200px;
    }

    .store-card {
        height: 180px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-badge-float {
        right: 8px;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .three-no-grid {
        grid-template-columns: 1fr;
    }

    .market-data-grid {
        grid-template-columns: 1fr;
    }

    .market-data-item.highlight-red {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-item {
        flex: 0 0 40%;
    }

    .stores-grid {
        grid-template-columns: 1fr;
    }

    .store-large {
        grid-column: span 1;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 15px;
    }
}

/* ---------- 产品系列图片展示 ---------- */
.product-series-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.series-image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(91, 168, 58, 0.15);
    transition: var(--transition);
    aspect-ratio: 1;
}

.series-image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(91, 168, 58, 0.25);
}

/* 各系列渐变色背景 */
.series-cleansing {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
}

.series-hydrating {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 50%, #90caf9 100%);
}

.series-serum {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 50%, #ffe082 100%);
}

.series-repair {
    background: linear-gradient(135deg, #e0f7fa 0%, #b2ebf2 50%, #80deea 100%);
}

.series-brightening {
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd9 50%, #f48fb1 100%);
}

.series-luxury {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 50%, #ffcc80 100%);
}

.series-mask {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 50%, #ce93d8 100%);
}

.series-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
}

.series-emoji {
    font-size: 64px;
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.series-bestseller {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(238, 90, 90, 0.3);
}

.series-products-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.preview-item {
    background: rgba(255, 255, 255, 0.9);
    color: var(--gray-800);
    font-size: 12px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    backdrop-filter: blur(4px);
}

.series-img-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    text-align: center;
    line-height: 1.4;
}

@media (max-width: 1024px) {
    .product-series-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-series-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .series-emoji {
        font-size: 48px;
    }
    
    .preview-item {
        font-size: 11px;
        padding: 4px 10px;
    }
}

/* ---------- 明星产品图片展示网格 ---------- */
.product-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.product-showcase-card {
    position: relative;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(91, 168, 58, 0.12);
    transition: var(--transition);
}

.product-showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(91, 168, 58, 0.2);
}

.product-showcase-card.showcase-bestseller {
    grid-column: span 2;
    grid-row: span 2;
}

.showcase-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(238, 90, 90, 0.35);
    z-index: 10;
}

.showcase-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: linear-gradient(135deg, #f8faf6 0%, #f0f5ec 100%);
}

.showcase-bestseller .showcase-img-wrap {
    aspect-ratio: 1;
}

.showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.showcase-info {
    padding: 20px;
    background: #fff;
}

.showcase-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.showcase-bestseller .showcase-info h3 {
    font-size: 22px;
}

.showcase-slogan {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.showcase-bestseller .showcase-slogan {
    font-size: 16px;
}

.showcase-desc {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.6;
}

.showcase-bestseller .showcase-desc {
    font-size: 15px;
}

@media (max-width: 1024px) {
    .product-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .product-showcase-card.showcase-bestseller {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .showcase-bestseller .showcase-img-wrap {
        aspect-ratio: 3/4;
    }
}

@media (max-width: 768px) {
    .product-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .product-showcase-card.showcase-bestseller {
        grid-column: span 2;
    }
    
    .showcase-info {
        padding: 16px;
    }
    
    .showcase-info h3 {
        font-size: 15px;
    }
    
    .showcase-bestseller .showcase-info h3 {
        font-size: 18px;
    }
    
    .showcase-slogan {
        font-size: 12px;
    }
    
    .showcase-desc {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .product-showcase-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .product-showcase-card.showcase-bestseller {
        grid-column: span 1;
    }
    
    .showcase-badge {
        font-size: 11px;
        padding: 6px 12px;
    }
}

/* ---------- 产品系列详情卡片 ---------- */
.series-products .series-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: #fff;
    border-radius: 16px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.series-products .series-item:hover {
    box-shadow: 0 8px 30px rgba(91, 168, 58, 0.15);
    transform: translateX(5px);
}

.series-item-img {
    flex-shrink: 0;
    width: 120px;
    height: 160px;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8faf6 0%, #f0f5ec 100%);
}

.series-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.series-item:hover .series-item-img img {
    transform: scale(1.08);
}

.series-item-content {
    flex: 1;
}

.series-item-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.series-item-content p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

.series-item.highlight {
    background: linear-gradient(135deg, #f4f9f0 0%, #e8f5e3 100%);
    border: 2px solid var(--avocado-200);
}

.series-item.highlight h4 {
    color: var(--primary-dark);
}

@media (max-width: 768px) {
    .series-products .series-item {
        flex-direction: column;
        gap: 16px;
    }
    
    .series-item-img {
        width: 100%;
        height: 200px;
    }
    
    .series-item-content h4 {
        font-size: 16px;
    }
    
    .series-item-content p {
        font-size: 13px;
    }
}

/* ---------- 品牌背书区块 ---------- */
.brand-endorsements {
    margin: 40px 0 0 0;
    padding: 28px 32px;
    background: linear-gradient(135deg, #fffefa 0%, #fffdf5 100%);
    border: 2px solid #f0c94a;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.1);
}

.brand-endorsements h4 {
    font-size: 20px;
    font-weight: 700;
    color: #b45309;
    margin-bottom: 20px;
    text-align: center;
}

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

.endorsement-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 12px;
    border: 1.5px solid #fde68a;
}

.endorsement-icon {
    font-size: 36px;
    line-height: 1;
    flex-shrink: 0;
}

.endorsement-info h5 {
    font-size: 16px;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 6px;
}

.endorsement-info p {
    font-size: 13.5px;
    color: #78350f;
    line-height: 1.65;
}

/* 视觉化背书卡片（带图片/视频） */
.endorsement-card.endorsement-visual {
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.endorsement-media {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #fde68a;
}

.endorsement-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 12px;
}

.endorsement-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.endorsement-visual .endorsement-info {
    padding: 20px 24px;
}

.endorsement-highlight {
    font-size: 14px !important;
    font-weight: 600;
    color: #b45309 !important;
    margin-bottom: 4px;
}

.endorsement-detail {
    font-size: 12.5px !important;
    color: #a16207 !important;
    margin-bottom: 12px;
}

.endorsement-link {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.endorsement-link:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.endorsement-tag {
    display: inline-block;
    padding: 6px 12px;
    background: #fef3c7;
    color: #92400e;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
}

/* 视频链接区域 */
.video-link-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a3a5c 0%, #0d2540 100%);
    color: #fff;
    gap: 10px;
    cursor: default;
    height: 200px;
    text-decoration: none;
}

.video-link-area:hover {
    background: linear-gradient(135deg, #1e4a72 0%, #0f3050 100%);
}

.play-icon-circle {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    padding-left: 4px;
    box-shadow: 0 6px 20px rgba(245,158,11,0.4);
}

.video-title {
    font-size: 13px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    letter-spacing: 1px;
}

.video-play-btn {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .endorsements-grid {
        grid-template-columns: 1fr;
    }
    
    .endorsement-media {
        height: 180px;
    }
    
    .endorsement-visual .endorsement-info {
        padding: 16px 20px;
    }
}