/* ===== CSS 变量 ===== */
:root {
    --primary: #71cced;
    --primary-dark: #5bb8dc;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --text-dark: #2d3748;
    --text-gray: #718096;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 30px;
    --radius-sm: 12px;
}

/* ===== 高级动画定义 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes floatRotate {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes rotateIn {
    from {
        transform: rotate(-10deg) scale(0.9);
        opacity: 0;
    }
    to {
        transform: rotate(0) scale(1);
        opacity: 1;
    }
}

/* ===== 滚动 reveal 动画类 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-smooth);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-smooth);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all var(--transition-smooth);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-smooth);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* 延迟动画 */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ===== 重置样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
}

/* ===== 工具类 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 48px;
    color: var(--text-dark);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(113, 204, 237, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

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

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition-smooth);
}

.navbar.scrolled {
    height: 64px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .nav-container {
    transform: scale(0.98);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

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

.logo img {
    height: 40px;
    width: auto;
}

.footer-brand img {
    height: 50px;
    width: auto;
    margin-bottom: 12px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

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

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

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

/* ===== Hero 区域 ===== */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(113, 204, 237, 0.15) 0%, rgba(113, 204, 237, 0.05) 100%);
    border-radius: 0 0 0 50%;
    animation: fadeInScale 1.2s ease-out;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 20%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(113, 204, 237, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 5s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 40%;
    right: 40%;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(113, 204, 237, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite 1s;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    /* 动画由内部元素控制 */
}

.hero-title {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.3s;
}

.title-line:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease 0.7s forwards;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.product-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 浮动动画 */
.float-animation {
    animation: float 4s ease-in-out infinite;
    z-index: 2;
}

/* 光晕效果 */
.glow-effect {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(113, 204, 237, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    z-index: 1;
}

.tube-mockup {
    width: 120px;
    height: 280px;
    position: relative;
}

.tube-cap {
    width: 100px;
    height: 40px;
    background: var(--primary);
    border-radius: 8px 8px 0 0;
    margin: 0 auto;
    position: relative;
}

.tube-cap::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 8px;
    background: var(--primary-dark);
    border-radius: 4px;
}

.tube-body {
    width: 100px;
    height: 240px;
    background: linear-gradient(180deg, #ffffff 0%, #f0f0f0 100%);
    border-radius: 0 0 12px 12px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.tube-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: var(--primary);
}

.tube-body::after {
    content: 'calciumhydroxyapatite';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 600;
}

/* ===== 特色介绍 ===== */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius-sm);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(113, 204, 237, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
    transition: all var(--transition-smooth);
}

.icon-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    box-shadow: 0 0 30px rgba(113, 204, 237, 0.5);
}

.feature-card:hover .icon-inner {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 15px;
}

/* ===== 产品预览 ===== */
.products-preview {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: var(--radius-sm);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all var(--transition-smooth);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
}

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

.product-image {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #e8f4f8 0%, #d4eef5 100%);
    position: relative;
    overflow: hidden;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.product-card:hover .image-overlay {
    opacity: 1;
}

.product-image.mint {
    background: linear-gradient(135deg, #a8e6cf 0%, #88d8b0 100%);
}

.product-image.pearl {
    background: linear-gradient(135deg, #f5e6d3 0%, #e8d4c0 100%);
}

.product-image.kids {
    background: linear-gradient(135deg, #ffd3a5 0%, #ffb347 100%);
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.product-card p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 16px;
}

.product-card .price {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.center-btn {
    text-align: center;
}

/* ===== 品牌承诺 ===== */
.promise {
    padding: 80px 0;
    background: var(--primary);
}

.promise-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.promise h2 {
    font-size: 40px;
    color: white;
    margin-bottom: 20px;
}

.promise p {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 28px;
}

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

.promise .btn-primary:hover {
    background: var(--bg-light);
}

/* ===== Footer ===== */
.footer {
    background: white;
    padding: 80px 0 0;
    margin-top: 80px;
}

.footer-top {
    padding-bottom: 60px;
    max-width: 95%;
    margin: 0 auto;
    padding-left: 2.5%;
    padding-right: 2.5%;
}

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

.footer-col h3 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.footer-col > p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-subscribe {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
}

.footer-subscribe input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid #d1e8f0;
    border-right: none;
    border-radius: 8px 0 0 8px;
    background: white;
    font-size: 14px;
}

.footer-subscribe input:focus {
    outline: none;
    border-color: var(--primary);
}

.footer-subscribe button {
    padding: 14px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0 8px 8px 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.footer-subscribe button:hover {
    background: var(--primary-dark);
}



.footer-center {
    text-align: center;
    padding: 20px 0;
}

.footer-logo {
    width: 100%;
    max-width: 200px;
    margin-bottom: 20px;
}

.footer-tagline {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-style: italic;
    color: var(--text-dark);
}

.footer-links-group h4,
.footer-find h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links-group ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 20px;
    margin-bottom: 24px;
}

.footer-links-group ul li a {
    font-size: 14px;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.footer-links-group ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-find p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

.footer-bottom-bar {
    background: var(--primary);
    padding: 20px 0;
}

.footer-bottom-bar p {
    text-align: center;
    color: white;
    font-size: 13px;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .footer-center {
        order: -1;
    }
    .footer-social {
        justify-content: center;
    }
    .footer-subscribe {
        max-width: 400px;
        margin: 0 auto 24px;
    }
    .footer-links-group ul {
        justify-content: center;
    }
}

/* 响应式 */
@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-section:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 48px 0 32px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .footer-section:first-child {
        grid-column: auto;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .features-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features,
    .products-preview,
    .promise {
        padding: 48px 0;
    }
    
    .features-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 28px 20px;
    }
    
    .promise h2 {
        font-size: 28px;
    }
}

/* ===== 页面头部 ===== */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, rgba(113, 204, 237, 0.08) 0%, transparent 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.page-header p {
    font-size: 18px;
    color: var(--text-gray);
}

/* ===== 产品页面 ===== */
.products-section {
    padding: 60px 0 80px;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.product-detail-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: white;
    border-radius: var(--radius-sm);
    padding: 40px;
    box-shadow: var(--shadow);
}

.product-detail-card.reverse {
    direction: rtl;
}

.product-detail-card.reverse > * {
    direction: ltr;
}

.product-detail-image {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    border-radius: var(--radius-sm);
}

.product-detail-image.mint {
    background: linear-gradient(135deg, #a8e6cf 0%, #88d8b0 100%);
}

.product-detail-image.pearl {
    background: linear-gradient(135deg, #f5e6d3 0%, #e8d4c0 100%);
}

.product-detail-image.kids {
    background: linear-gradient(135deg, #ffd3a5 0%, #ffb347 100%);
}

.tube-mockup.small {
    width: 80px;
    height: 200px;
}

.tube-mockup.small .tube-cap {
    width: 70px;
    height: 30px;
}

.tube-mockup.small .tube-cap::after {
    width: 56px;
    height: 6px;
}

.tube-mockup.small .tube-body {
    width: 70px;
    height: 170px;
}

.tube-mockup.small .tube-body::before {
    height: 28px;
}

.tube-mockup.small .tube-body::after {
    font-size: 11px;
}

.product-detail-info .tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(113, 204, 237, 0.15);
    color: var(--primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.product-detail-info h2 {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.product-detail-info .description {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 1.7;
}

.features-list {
    list-style: none;
    margin-bottom: 24px;
}

.features-list li {
    color: var(--text-dark);
    font-size: 15px;
    margin-bottom: 10px;
}

.price-action {
    display: flex;
    align-items: center;
    gap: 20px;
}

.price-action .price {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

/* ===== 品牌故事页面 ===== */
.story-intro {
    padding: 60px 0;
    background: var(--bg-light);
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.story-content h2 {
    font-size: 32px;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.story-content p {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.timeline-section {
    padding: 80px 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 40px);
    position: relative;
    margin-bottom: 48px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary);
}

.timeline-date {
    position: absolute;
    right: calc(50% + 60px);
    font-family: 'Playfair Display', serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.timeline-item:nth-child(even) .timeline-date {
    right: auto;
    left: calc(50% + 60px);
}

.timeline-content {
    background: white;
    padding: 24px 32px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    max-width: 320px;
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

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

.mission-section {
    padding: 80px 0;
    background: var(--primary);
}

.mission-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.mission-content h2 {
    font-size: 36px;
    color: white;
    margin-bottom: 20px;
}

.mission-content > p {
    font-size: 17px;
    color: var(--text-dark);
    margin-bottom: 40px;
}

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

.value-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 32px 24px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.value-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.value-item h3 {
    font-size: 20px;
    color: white;
    margin-bottom: 8px;
}

.value-item p {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===== FAQ 页面 ===== */
.faq-header {
    padding: 160px 0 60px;
    background: linear-gradient(135deg, rgba(113, 204, 237, 0.08) 0%, transparent 100%);
    text-align: center;
}

.faq-header h1 {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.faq-header p {
    font-size: 18px;
    color: var(--text-gray);
}

.faq-section {
    padding: 60px 0 80px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto 60px;
}

.faq-item {
    background: white;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: 'Nunito', sans-serif;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
}

.faq-question::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform var(--transition-smooth);
}

.faq-item.active .faq-question::before {
    transform: scaleY(1);
}

.faq-question:hover {
    background: rgba(113, 204, 237, 0.03);
    padding-left: 32px;
}

.faq-item.active .faq-question {
    color: var(--primary);
}

.faq-icon {
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer .answer-content {
    padding: 0 24px 24px;
}

.faq-answer p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.faq-answer ul {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.8;
    padding-left: 20px;
    margin-bottom: 12px;
}

.faq-answer li {
    margin-bottom: 8px;
}

.faq-answer strong {
    color: var(--text-dark);
}

.faq-answer .note {
    font-style: italic;
    color: var(--text-gray);
    font-size: 13px;
}

/* HAP 优势卡片 */
.hap-benefit {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 3px solid var(--primary);
}

.hap-benefit:last-child {
    margin-bottom: 0;
}

.benefit-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.benefit-text strong {
    display: block;
    color: var(--text-dark);
    font-size: 15px;
    margin-bottom: 6px;
}

.benefit-text p {
    padding: 0;
    margin: 0;
    font-size: 14px;
}

/* 警告框 */
.warning-box {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 152, 0, 0.05) 100%);
    border: 1px solid rgba(255, 152, 0, 0.3);
    border-radius: 12px;
    padding: 20px;
}

.warning-box h4 {
    color: #f57c00;
    font-size: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.warning-box h4::before {
    content: '⚠️';
}

.warning-box ul {
    margin: 0;
    padding-left: 20px;
}

.warning-box li {
    color: var(--text-gray);
    margin-bottom: 10px;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.contact-section {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 48px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.contact-section h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.contact-section > p {
    color: var(--text-gray);
    margin-bottom: 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(113, 204, 237, 0.2);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== 产品页面响应式 ===== */
@media (max-width: 1024px) {
    .product-detail-card {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .product-detail-card.reverse {
        direction: ltr;
    }
    
    .product-detail-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 40px;
    }
    
    .page-header h1 {
        font-size: 32px;
    }
    
    .product-detail-card {
        padding: 24px;
    }
    
    .product-detail-info h2 {
        font-size: 26px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        position: static;
        margin-bottom: 12px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 15px;
    }
    
    .contact-section {
        padding: 32px 20px;
    }
}

/* ===== 新版 Our Story 页面 ===== */
.story-hero {
    padding: 160px 0 60px;
    text-align: center;
    background: white;
}

.story-title {
    font-size: 48px;
    color: var(--text-dark);
    font-weight: 600;
}

.story-main {
    padding: 40px 0 80px;
    background: white;
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.story-product {
    position: sticky;
    top: 100px;
}

.product-display {
    background: linear-gradient(135deg, rgba(113, 204, 237, 0.1) 0%, rgba(113, 204, 237, 0.05) 100%);
    border-radius: var(--radius-sm);
    padding: 60px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 32px;
}

.tube-mockup.large {
    width: 100px;
    height: 260px;
}

.tube-mockup.large .tube-cap {
    width: 90px;
    height: 36px;
}

.tube-mockup.large .tube-cap::after {
    width: 72px;
    height: 7px;
}

.tube-mockup.large .tube-body {
    width: 90px;
    height: 224px;
}

.tube-mockup.large .tube-body::before {
    height: 36px;
}

.tube-mockup.large .tube-body::after {
    font-size: 13px;
}

.founder-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.founder-avatar {
    width: 56px;
    height: 56px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
}

.founder-text {
    display: flex;
    flex-direction: column;
}

.founder-name {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 16px;
}

.founder-title {
    color: var(--text-gray);
    font-size: 14px;
}

.story-content {
    padding-top: 20px;
}

.about-section {
    margin-bottom: 40px;
}

.about-section h2 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.about-section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
}

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

.ingredients-section {
    margin-bottom: 40px;
    padding: 32px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.ingredients-section h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.ingredients-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ingredient-tag {
    padding: 8px 16px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-gray);
    transition: var(--transition);
}

.ingredient-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.hap-section {
    margin-bottom: 40px;
}

.hap-section h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 24px;
}

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

.hap-feature {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.hap-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.hap-feature-text strong {
    display: block;
    color: var(--text-dark);
    font-size: 15px;
    margin-bottom: 6px;
}

.hap-feature-text p {
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.5;
}

.hap-note {
    padding: 16px;
    background: rgba(113, 204, 237, 0.1);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

.hap-note p {
    color: var(--text-gray);
    font-size: 14px;
    font-style: italic;
}

.mission-statement {
    padding: 32px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    text-align: center;
}

.mission-statement p {
    color: white;
    font-size: 18px;
    font-style: italic;
    line-height: 1.7;
}

/* 响应式 */
@media (max-width: 1024px) {
    .story-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .story-product {
        position: static;
    }
}

@media (max-width: 768px) {
    .story-hero {
        padding: 120px 0 40px;
    }

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

    .product-display {
        padding: 40px 20px;
    }

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

    .ingredients-list {
        gap: 8px;
    }

    .ingredient-tag {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* ===== Refund Policy 页面 ===== */
.policy-section {
    padding: 60px 0 80px;
}

.policy-content {
    max-width: 800px;
    margin: 0 auto;
}

.policy-notice {
    background: linear-gradient(135deg, rgba(113, 204, 237, 0.1) 0%, rgba(113, 204, 237, 0.05) 100%);
    border: 1px solid rgba(113, 204, 237, 0.3);
    border-radius: var(--radius-sm);
    padding: 32px;
    margin-bottom: 40px;
    text-align: center;
}

.policy-notice p {
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.policy-notice p:last-child {
    margin-bottom: 0;
}

.policy-notice strong {
    color: var(--primary);
}

.policy-block {
    background: white;
    border-radius: var(--radius-sm);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.policy-block h2 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary);
}

.policy-item {
    margin-bottom: 24px;
}

.policy-item:last-child {
    margin-bottom: 0;
}

.policy-item h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.policy-item p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.policy-item ul {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.8;
    padding-left: 24px;
    margin-bottom: 12px;
}

.policy-item li {
    margin-bottom: 8px;
}

.policy-item a {
    color: var(--primary);
    transition: var(--transition);
}

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

.policy-updated {
    text-align: center;
    padding: 24px;
    color: var(--text-gray);
    font-size: 14px;
}

@media (max-width: 768px) {
    .policy-section {
        padding: 40px 0 60px;
    }
    
    .policy-notice {
        padding: 24px 20px;
    }
    
    .policy-block {
        padding: 24px 20px;
    }
    
    .policy-block h2 {
        font-size: 20px;
    }
    
    .policy-item h3 {
        font-size: 16px;
    }
}

/* ===== Story Page ===== */
.story-section {
    padding: 60px 0;
}

.story-section-alt {
    background: var(--bg-light);
}

.story-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

.story-row-reverse {
    flex-direction: row-reverse;
}

.story-image {
    flex: 1;
    position: relative;
}

.story-section:not(.story-section-alt) .story-image {
    flex: 1.2;
}

.story-section-alt .story-image {
    flex: 0.8;
}

.story-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.story-section:not(.story-section-alt) .story-image img {
    max-width: 550px;
}

.story-section-alt .story-image img {
    max-width: 400px;
}

.story-text {
    flex: 1;
}

.story-text h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
}

.story-text h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
}

.story-text p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.story-text blockquote {
    padding: 24px;
    background: white;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    font-style: italic;
    color: var(--text-dark);
    margin: 24px 0;
}

.story-text strong {
    color: var(--primary);
}

@media (max-width: 968px) {
    .story-row {
        flex-direction: column;
        gap: 40px;
    }

    .story-row-reverse {
        flex-direction: column;
    }

    .story-text h2 {
        font-size: 28px;
    }

    .story-section:not(.story-section-alt) .story-image img,
    .story-section-alt .story-image img {
        max-width: 100%;
    }
}

/* ===== Home Page ===== */
.hero-banner {
    width: 100%;
    padding-top: 70px;
}

.hero-banner img {
    width: 100%;
    height: auto;
    display: block;
}

.why-choose {
    padding: 60px 0;
    background: var(--bg-white);
}

.why-choose .container {
    max-width: 100%;
    padding: 0 20px;
}

.features-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 0 20px;
}

.feature-img {
    overflow: hidden;
    border-radius: 12px;
}

.feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
    transition: transform var(--transition-smooth);
}

.feature-img:hover img {
    transform: scale(1.05);
}

.product-highlight {
    padding: 60px 0;
    background: white;
}

.product-highlight .container {
    max-width: 100%;
    padding: 0 60px;
}

.highlight-row {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.highlight-image {
    flex: 1;
}

.highlight-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.highlight-content {
    flex: 1;
    padding-right: 40px;
}

.highlight-content h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.highlight-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
}

.highlight-list {
    list-style: none;
    padding: 0;
}

.highlight-list li {
    padding: 12px 0;
    font-size: 18px;
    color: var(--text-dark);
    border-bottom: 1px solid #e2e8f0;
    padding-left: 24px;
    position: relative;
}

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

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

.banner-images {
    width: 100%;
}

.banner-full {
    width: 100%;
}

.banner-full img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 968px) {
    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }

    .product-highlight .container {
        padding: 0 24px;
    }

    .highlight-row {
        flex-direction: column;
        gap: 40px;
    }

    .highlight-content {
        padding-right: 0;
    }

    .highlight-content h2 {
        font-size: 28px;
    }
}

@media (max-width: 576px) {
    .features-grid-4 {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}

/* ===== Product Page ===== */
.product-showcase {
    padding: 80px 0;
}

.product-main {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 80px;
    padding: 60px;
}

.product-main-image {
    flex: 1;
    position: relative;
    max-width: 450px;
}

.product-main-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 24px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: floatImage 3s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.product-main-image:hover img {
    transform: scale(1.03) translateY(-5px);
    box-shadow: 0 30px 60px rgba(113, 204, 237, 0.25);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
}

.product-main-content {
    flex: 1;
    padding-top: 20px;
}

.btn-buy {
    margin-top: 32px;
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    cursor: not-allowed;
    opacity: 0.6;
}

.product-main-content h1 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.product-variant {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.product-pricing {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 12px;
}

.price-original {
    font-size: 24px;
    color: var(--text-gray);
    text-decoration: line-through;
}

.price-sale {
    font-size: 36px;
    color: var(--primary);
    font-weight: 700;
}

.product-sku {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 32px;
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-dark);
}

.highlight-icon {
    color: var(--primary);
    font-weight: 600;
}

.product-details-gallery {
    margin-top: 80px;
}

.section-title {
    font-size: 32px;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 40px;
}

.gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gallery-grid img {
    width: 80%;
    max-width: 80%;
    margin: 0 auto;
    display: block;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.gallery-grid img:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 40px rgba(113, 204, 237, 0.2);
}

.highlight-item:hover {
    background: white;
    box-shadow: 0 4px 20px rgba(113, 204, 237, 0.3);
    transform: translateX(8px);
}

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

.product-features-section {
    margin-bottom: 80px;
}

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

.feature-card-new {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.feature-card-new:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.feature-icon-new {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card-new h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-card-new p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* Ingredients Section */
.ingredients-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.ingredient-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.ingredient-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.ingredient-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.ingredient-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.ingredient-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .product-main {
        flex-direction: column;
        gap: 40px;
        padding: 40px;
    }

    .product-main-image img {
        max-width: 100%;
    }

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

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

@media (max-width: 768px) {
    .product-main {
        padding: 30px;
    }

    .product-main-content h1 {
        font-size: 28px;
    }

    .price-sale {
        font-size: 28px;
    }

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

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

    .highlight-item {
        padding: 12px 16px;
        font-size: 14px;
    }
}