/* ============================================
   Hexiangjin - Frontend Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #2E7D32;
    --color-primary-mid: #43A047;
    --color-primary-light: #E8F5E9;
    --color-gold: #F9A825;
    --color-orange: #EF6C00;
    --color-white: #FFFFFF;
    --color-black: #1A1A1A;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E0E0E0;
    --color-gray-400: #BDBDBD;
    --color-gray-500: #9E9E9E;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;
    --font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --container-max: 1200px;
    --nav-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-family);
    background: none;
}

input, textarea, select {
    font-family: var(--font-family);
    outline: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
}

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

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--color-primary);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(46, 125, 50, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    max-width: 100%;
    padding: 0 16px;
    gap: 40px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-logo .logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 2px rgba(255,255,255,0.9)) drop-shadow(0 0 4px rgba(255,255,255,0.7)) drop-shadow(0 0 6px rgba(255,255,255,0.5));
}

.footer-logo-wrap {
    margin-bottom: 16px;
}

.footer-logo-wrap .footer-logo-img {
    height: 72px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 2px rgba(255,255,255,0.9)) drop-shadow(0 0 4px rgba(255,255,255,0.7)) drop-shadow(0 0 6px rgba(255,255,255,0.5));
}

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

.nav-menu a {
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition);
    border-radius: 1px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 60%;
}

/* Hamburger Menu */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

/* --- Navigation Phone Badge --- */
.nav-phone-badge {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-left: 20px;
    transition: var(--transition);
}

.nav-phone-badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.nav-phone-badge img {
    height: 44px;
    width: auto;
    display: block;
}

@media (max-width: 1100px) {
    .nav-phone-badge img {
        height: 38px;
    }
}

@media (max-width: 768px) {
    .nav-phone-badge {
        margin-left: auto;
        margin-right: 12px;
    }
    .nav-phone-badge img {
        height: 34px;
    }
}

@media (max-width: 480px) {
    .nav-phone-badge img {
        height: 30px;
    }
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Banner Carousel --- */
.banner,
.hero-banner {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 500px;
    overflow: hidden;
}

.banner-slides,
.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide::before,
.banner-image::before,
.banner-overlay {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.3) 100%
    );
    z-index: 1;
}

.banner-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-white);
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.banner-content h1,
.banner-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease 0.3s both;
}

.banner-content p,
.banner-subtitle {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 32px;
    opacity: 0.9;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease 0.6s both;
}

.banner-content .btn-primary {
    animation: fadeInUp 1s ease 0.9s both;
}

/* Banner Controls */
.banner-arrow,
.banner-prev,
.banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.banner-arrow:hover,
.banner-prev:hover,
.banner-next:hover {
    background: rgba(255, 255, 255, 0.35);
}

.banner-arrow svg,
.banner-prev svg,
.banner-next svg {
    width: 24px;
    height: 24px;
    fill: var(--color-white);
}

.banner-arrow.prev,
.banner-prev {
    left: 30px;
}

.banner-arrow.next,
.banner-next {
    right: 30px;
}

.banner-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.banner-indicators span,
.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    padding: 0;
}

.banner-indicators span.active,
.indicator.active {
    background: var(--color-white);
    width: 36px;
    border-radius: 6px;
}

/* --- Section Header --- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header .section-title {
    font-size: 36px;
    color: var(--color-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
    font-weight: 700;
}

.section-header .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    border-radius: 2px;
}

.section-header .section-subtitle {
    font-size: 18px;
    color: var(--color-gray-600);
    margin-top: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

/* --- Section Title (Legacy/Standalone Pattern) --- */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--color-primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.section-title p {
    font-size: 18px;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* --- Card Component --- */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

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

.card-body {
    padding: 24px;
}

.card-body h3 {
    font-size: 20px;
    color: var(--color-gray-900);
    margin-bottom: 10px;
}

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

/* --- Product Card (Homepage) --- */
.product-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-gray-200);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(67, 160, 71, 0.3);
}

.product-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(46, 125, 50, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.product-info {
    padding: 20px;
    text-align: center;
}

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

.product-desc {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Product Grid --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* --- Advantages Grid 2x2 --- */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.advantage-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(67, 160, 71, 0.1);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(67, 160, 71, 0.25);
}

.advantage-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    background: var(--color-primary);
}

.advantage-icon svg {
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon svg circle,
.advantage-card:hover .advantage-icon svg path,
.advantage-card:hover .advantage-icon svg rect,
.advantage-card:hover .advantage-icon svg ellipse,
.advantage-card:hover .advantage-icon svg line {
    stroke: var(--color-white) !important;
}

.advantage-title {
    font-size: 22px;
    color: var(--color-gray-900);
    margin-bottom: 12px;
}

.advantage-desc {
    font-size: 15px;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* --- Products Grid (Homepage) --- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

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

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

    .advantage-card {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* --- News List --- */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.news-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.news-item .news-img {
    flex-shrink: 0;
    width: 280px;
    height: 180px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.news-item .news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.news-item .news-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-item .news-content .news-date {
    font-size: 13px;
    color: var(--color-gray-500);
    margin-bottom: 8px;
}

.news-item .news-content h3 {
    font-size: 20px;
    color: var(--color-gray-900);
    margin-bottom: 10px;
    transition: var(--transition);
}

.news-item .news-content h3:hover {
    color: var(--color-primary);
}

.news-item .news-content p {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item .news-content .read-more {
    display: inline-block;
    margin-top: 12px;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
}

.news-item .news-content .read-more:hover {
    color: var(--color-primary-mid);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    cursor: pointer;
    gap: 8px;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-mid));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-mid), var(--color-primary));
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
    transform: translateY(-2px);
}

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

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

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold), var(--color-orange));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(249, 168, 37, 0.3);
}

.btn-gold:hover {
    box-shadow: 0 6px 20px rgba(249, 168, 37, 0.4);
    transform: translateY(-2px);
}

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

.btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

/* --- Stats Section --- */
.stats-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
    padding: 60px 0;
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-item .stat-number {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .stat-number span {
    font-size: 24px;
    font-weight: 400;
}

.stat-item .stat-label {
    font-size: 16px;
    opacity: 0.85;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23757575' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* --- Contact / Message Form --- */
.contact-section {
    padding: 80px 0;
    background: var(--color-gray-100);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 24px;
    text-align: center;
}

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

/* Logo Images */
.logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    margin-bottom: 8px;
}

/* --- Footer --- */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--color-gold);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--color-white);
}

.footer-brand h3 {
    font-size: 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand h3 svg {
    width: 32px;
    height: 32px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.85;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-gold);
    border-radius: 1px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--color-gold);
    padding-left: 6px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 14px;
    opacity: 0.85;
}

.footer-contact .contact-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 13px;
    opacity: 0.7;
}

/* --- Side Toolbar --- */
.side-toolbar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toolbar-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    padding: 10px 4px;
    background: var(--color-primary);
    color: var(--color-white);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    border-radius: 8px 0 0 8px;
    box-shadow: var(--shadow-sm);
}

.toolbar-item:hover {
    background: var(--color-primary-mid);
    width: 70px;
}

.toolbar-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toolbar-icon svg {
    width: 22px;
    height: 22px;
}

.toolbar-label {
    font-size: 11px;
    margin-top: 4px;
    white-space: nowrap;
}

/* 微信二维码弹窗 */
.wechat-popup {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%) scale(0.8);
    width: 180px;
    padding: 16px;
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    text-align: center;
}

.wechat-item:hover .wechat-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) scale(1);
    pointer-events: auto;
}

.wechat-popup img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    border-radius: 8px;
}

.wechat-popup p {
    margin-top: 8px;
    font-size: 13px;
    color: var(--color-text);
}

/* 电话弹窗 */
.phone-popup {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%) scale(0.8);
    padding: 12px 20px;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    white-space: nowrap;
}

.phone-item:hover .phone-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) scale(1);
    pointer-events: auto;
}

.phone-popup p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
}

/* 返回顶部 */
.back-top-item {
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px);
}

.back-top-item.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* 移动端隐藏侧边工具栏 */
@media (max-width: 768px) {
    .side-toolbar {
        display: none;
    }
}

/* --- Scroll Animations --- */
.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: all 0.8s ease;
}

.fade-in-up {
    transform: translateY(40px);
}

.fade-in-left {
    transform: translateX(-40px);
}

.fade-in-right {
    transform: translateX(40px);
}

.fade-in-up.visible,
.fade-in-left.visible,
.fade-in-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* --- Section Padding --- */
.section {
    padding: 80px 0;
}

.section-sm {
    padding: 60px 0;
}

.section-bg {
    background: var(--color-gray-100);
}

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

/* --- Responsive: Tablet (max-width: 1024px) --- */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .banner-content h1 {
        font-size: 36px;
    }

    .banner-content p {
        font-size: 18px;
    }
}

/* --- Responsive: Mobile (max-width: 768px) --- */
@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
    }

    .navbar .container {
        justify-content: space-between;
        gap: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background: var(--color-primary);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        width: 100%;
        padding: 14px 16px;
        font-size: 16px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .news-item {
        flex-direction: column;
    }

    .news-item .news-img {
        width: 100%;
        height: 200px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.7;
    }

    .footer-links h4,
    .footer-contact h4 {
        font-size: 15px;
        margin-bottom: 12px;
        padding-bottom: 8px;
    }

    .footer-links ul li {
        margin-bottom: 6px;
    }

    .footer-links ul li a {
        font-size: 13px;
    }

    .footer-contact .contact-item {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .footer-contact .contact-item svg {
        width: 16px;
        height: 16px;
    }

    .footer {
        padding-top: 40px;
    }

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

    .banner-content p {
        font-size: 15px;
    }

    .banner-arrow {
        width: 40px;
        height: 40px;
    }

    .banner-arrow.prev {
        left: 15px;
    }

    .banner-arrow.next {
        right: 15px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .stat-item .stat-number {
        font-size: 36px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 24px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }

    .section {
        padding: 60px 0;
    }
}

/* --- Responsive: Small Mobile (max-width: 480px) --- */
@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

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

    .banner-content h1 {
        font-size: 24px;
    }

    .btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 12px 32px;
        font-size: 16px;
    }

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

    .footer-brand {
        grid-column: auto;
    }

    .footer-logo-wrap {
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* ============================================
   品牌理念板块 - Philosophy Section
   ============================================ */

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.philosophy-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 48px 32px 40px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(67, 160, 71, 0.08);
    overflow: hidden;
}

.philosophy-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(67, 160, 71, 0.2);
}

.philosophy-card .card-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(46, 125, 50, 0.08);
    line-height: 1;
    font-family: "Helvetica Neue", Arial, sans-serif;
    letter-spacing: -2px;
    transition: var(--transition);
    user-select: none;
}

.philosophy-card:hover .card-number {
    color: rgba(46, 125, 50, 0.15);
    transform: scale(1.05);
}

.philosophy-card .circle-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(46, 125, 50, 0.25);
    transition: var(--transition);
}

.philosophy-card:hover .circle-icon {
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(46, 125, 50, 0.35);
}

.philosophy-card .circle-icon svg {
    width: 36px;
    height: 36px;
}

.philosophy-card h3 {
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: 1px;
}

.philosophy-card p {
    font-size: 15px;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin: 0;
}

/* 品牌理念响应式适配 */
@media (max-width: 1024px) {
    .philosophy-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        padding: 0 20px;
    }

    .philosophy-card {
        padding: 40px 24px 32px;
    }

    .philosophy-card h3 {
        font-size: 22px;
    }
}

@media (max-width: 768px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 480px;
        padding: 0 20px;
    }

    .philosophy-card {
        padding: 36px 28px 32px;
    }

    .philosophy-card .card-number {
        font-size: 40px;
        top: 12px;
        right: 16px;
    }

    .philosophy-card .circle-icon {
        width: 72px;
        height: 72px;
        margin-bottom: 20px;
    }

    .philosophy-card .circle-icon svg {
        width: 32px;
        height: 32px;
    }

    .philosophy-card h3 {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .philosophy-card p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .philosophy-card {
        padding: 32px 20px 28px;
    }

    .philosophy-card .card-number {
        font-size: 36px;
    }

    .philosophy-card .circle-icon {
        width: 64px;
        height: 64px;
    }

    .philosophy-card .circle-icon svg {
        width: 28px;
        height: 28px;
    }

    .philosophy-card h3 {
        font-size: 18px;
    }
}

/* ============================================
   品牌简介区 - 全新排版
   ============================================ */

.intro-section {
    background: linear-gradient(135deg, #fafcfa 0%, #f1f8e9 100%);
}

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

/* --- 左侧文字区域 --- */
.intro-text {
    padding-right: 20px;
}

.intro-header {
    margin-bottom: 28px;
}

.intro-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: 6px 16px;
    border-radius: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.intro-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.3;
    margin-bottom: 16px;
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

.intro-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.intro-divider span {
    display: block;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    border-radius: 1px;
}

.intro-divider span:first-child {
    width: 60px;
}

.intro-content {
    margin-bottom: 32px;
}

.intro-lead {
    font-size: 18px;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: 16px;
    font-weight: 400;
}

.intro-lead strong {
    color: var(--color-primary);
    font-weight: 600;
    background: linear-gradient(180deg, transparent 60%, rgba(46, 125, 50, 0.12) 60%);
    padding: 0 2px;
}

.intro-body {
    font-size: 15px;
    color: var(--color-gray-600);
    line-height: 1.8;
    padding-left: 16px;
    border-left: 3px solid var(--color-primary-light);
}

/* --- 右侧数据卡片 --- */
.intro-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(67, 160, 71, 0.08);
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(67, 160, 71, 0.2);
}

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    background: var(--color-primary);
}

.stat-icon svg {
    transition: var(--transition);
}

.stat-card:hover .stat-icon svg circle,
.stat-card:hover .stat-icon svg path,
.stat-card:hover .stat-icon svg rect,
.stat-card:hover .stat-icon svg ellipse,
.stat-card:hover .stat-icon svg line {
    stroke: var(--color-white) !important;
}

.stat-card:hover .stat-icon svg rect[fill="#43A047"] {
    fill: var(--color-white) !important;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 6px;
    font-family: "Helvetica Neue", Arial, sans-serif;
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
    .intro-grid {
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .intro-text {
        padding-right: 0;
        text-align: center;
    }

    .intro-divider {
        justify-content: center;
    }

    .intro-body {
        padding-left: 0;
        border-left: none;
        text-align: center;
    }

    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-card {
        padding: 24px 16px;
    }

    .stat-number {
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .intro-title {
        font-size: 26px;
    }

    .intro-lead {
        font-size: 16px;
    }

    .intro-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 20px 12px;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
    }

    .stat-icon svg {
        width: 24px;
        height: 24px;
    }

    .stat-number {
        font-size: 22px;
    }

    .stat-label {
        font-size: 12px;
    }
}

/* ============================================
   Section Title Images
   ============================================ */
.section-title-img {
    display: block;
    margin: 0 auto 16px;
    height: auto;
    max-width: 100%;
    width: auto;
}

/* 居中容器内的标题图片 */
.section-header .section-title-img,
.section-title .section-title-img {
    display: block;
    margin: 0 auto 16px;
}

/* intro-header 内的标题图片 */
.intro-header .section-title-img {
    display: block;
    margin: 0 auto 16px;
}

/* 合作结语白色标题图片（深色背景上） */
.closing-title-img {
    display: block;
    margin: 0 auto 24px;
    filter: brightness(0) invert(1);
}

/* hero-overlay 内的白色标题图片 */
.hero-title-img {
    display: block;
    margin: 0 auto 16px;
    filter: brightness(0) invert(1);
}

/* intro-text 内的标题图片（左对齐） */
.intro-text .section-title-img {
    margin: 0 0 16px 0;
}

/* 响应式：平板 */
@media (max-width: 1024px) {
    .section-title-img {
        max-width: 90%;
    }
}

/* 响应式：手机 */
@media (max-width: 768px) {
    .section-title-img {
        max-width: 85%;
    }

    .intro-text .section-title-img {
        margin: 0 auto 16px;
    }
}

/* 响应式：小屏手机 */
@media (max-width: 480px) {
    .section-title-img {
        max-width: 80%;
    }
}

/* ============================================
   Brand Strength Page - Redesigned Layout
   ============================================ */

/* --- Quality System Section --- */
.quality-system {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.quality-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(46, 125, 50, 0.15);
}

.quality-visual img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.quality-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #2E7D32, #43A047);
    color: #fff;
    padding: 20px 28px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(46, 125, 50, 0.3);
}

.badge-icon {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: bold;
}

.badge-text {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

.quality-content .section-title-img {
    margin: 0 0 24px 0;
}

.quality-desc .lead {
    font-size: 20px;
    color: #2E7D32;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.6;
}

.quality-desc p {
    font-size: 15px;
    color: #616161;
    line-height: 1.8;
    margin-bottom: 12px;
}

.quality-desc .highlight {
    background: linear-gradient(180deg, transparent 60%, rgba(249, 168, 37, 0.15) 60%);
    padding: 0 4px;
    font-weight: 500;
    color: #424242;
}

.quality-steps {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    flex-wrap: wrap;
}

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

.step-num {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #2E7D32, #43A047);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    margin: 0 auto 6px;
}

.step-text {
    font-size: 12px;
    color: #616161;
    font-weight: 500;
}

.step-arrow {
    color: #C8E6C9;
    font-size: 18px;
    font-weight: bold;
}

/* --- Strength Cards Grid --- */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.strength-card-v2 {
    background: #fff;
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all 0.4s ease;
}

.strength-card-v2:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}

.card-top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.strength-card-v2 h3 {
    font-size: 20px;
    color: #1A1A1A;
    margin-bottom: 12px;
    font-weight: 700;
}

.strength-card-v2 p {
    font-size: 14px;
    color: #757575;
    line-height: 1.7;
}

.card-number {
    position: absolute;
    bottom: -10px;
    right: 10px;
    font-size: 80px;
    font-weight: 800;
    color: var(--card-color);
    opacity: 0.06;
    line-height: 1;
}

/* --- Traceability Showcase --- */
.traceability-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.traceability-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(46, 125, 50, 0.12);
}

.traceability-visual img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.qr-mockup {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: #fff;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    text-align: center;
}

.qr-code {
    width: 80px;
    height: 80px;
    margin-bottom: 8px;
}

.qr-label {
    font-size: 12px;
    color: #2E7D32;
    font-weight: 600;
}

.traceability-content .section-title-img {
    margin: 0 0 28px 0;
}

.traceability-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: #f8faf8;
    border-radius: 14px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #e8f5e9;
    transform: translateX(4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-text h4 {
    font-size: 15px;
    color: #1A1A1A;
    margin-bottom: 2px;
    font-weight: 600;
}

.feature-text p {
    font-size: 13px;
    color: #9e9e9e;
}

.traceability-desc {
    font-size: 15px;
    color: #616161;
    line-height: 1.8;
    margin-bottom: 12px;
}

/* --- Stats Section V2 --- */
.stats-section-v2 {
    background-image: url('../images/brand/stats-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 80px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.stats-section-v2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(27,94,32,0.45) 0%, rgba(46,125,50,0.40) 50%, rgba(56,142,60,0.35) 100%);
    z-index: 0;
}

.stats-section-v2::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.stats-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.stats-header p {
    font-size: 16px;
    opacity: 0.8;
}

.stats-grid-v2 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 2;
}

.stat-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 36px 24px;
    text-align: center;
    transition: all 0.4s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-6px);
}

.stat-card .stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card .stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-number-v2 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label-v2 {
    font-size: 15px;
    opacity: 0.85;
}

/* --- Responsive for Strength Page --- */
@media (max-width: 1024px) {
    .quality-system,
    .traceability-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .quality-visual img,
    .traceability-visual img {
        height: 300px;
    }

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

    .stats-grid-v2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .strength-grid {
        grid-template-columns: 1fr;
    }

    .quality-steps {
        justify-content: center;
    }

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

    .stats-header h2 {
        font-size: 28px;
    }

    .stat-number-v2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .stats-grid-v2 {
        grid-template-columns: 1fr;
    }

    .quality-badge {
        padding: 14px 20px;
        bottom: 16px;
        right: 16px;
    }

    .badge-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .qr-mockup {
        bottom: 16px;
        right: 16px;
        padding: 12px;
    }

    .qr-code {
        width: 60px;
        height: 60px;
    }
}

/* ============================================
   Join Page Styles
   ============================================ */

/* --- Join Intro Section --- */
.join-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.join-intro-content {
    max-width: 560px;
}

.join-intro-subtitle {
    font-size: 18px;
    color: var(--color-gray-600);
    margin: 16px 0 24px;
}

.join-intro-desc {
    margin-bottom: 32px;
}

.join-intro-desc p {
    font-size: 15px;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: 12px;
}

.join-intro-desc p strong {
    color: var(--color-primary);
    font-weight: 600;
}

.join-intro-desc .highlight {
    font-size: 16px;
    color: var(--color-primary);
    font-weight: 600;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--color-primary-light), #fff);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 12px 12px 0;
    margin-top: 20px;
}

.join-intro-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.intro-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(46, 125, 50, 0.1);
    border: 1px solid var(--color-primary-light);
    transition: all 0.3s ease;
    min-width: 90px;
}

.intro-badge:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(46, 125, 50, 0.15);
}

.intro-badge .badge-num {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.intro-badge .badge-text {
    font-size: 13px;
    color: var(--color-gray-600);
    margin-top: 6px;
}

.join-intro-visual {
    position: relative;
}

.intro-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(46, 125, 50, 0.15);
    background: linear-gradient(135deg, var(--color-primary-light), #fff);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-image-wrapper img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.intro-floating-card {
    position: absolute;
    bottom: 30px;
    left: -20px;
    background: #fff;
    padding: 16px 24px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 3s ease-in-out infinite;
}

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

.floating-icon {
    font-size: 32px;
}

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

.floating-text strong {
    font-size: 15px;
    color: var(--color-gray-800);
}

.floating-text span {
    font-size: 13px;
    color: var(--color-gray-500);
}

/* --- Process Timeline --- */
.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    flex: 1;
    text-align: center;
    max-width: 200px;
}

.step-circle {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-light), #fff);
    border: 3px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s ease;
}

.process-step:hover .step-circle {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(46, 125, 50, 0.25);
}

.step-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-primary);
    position: absolute;
    top: -8px;
    background: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    border: 2px solid var(--color-primary);
}

.step-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.step-icon svg {
    width: 100%;
    height: 100%;
}

.process-step h4 {
    font-size: 18px;
    color: var(--color-gray-800);
    margin-bottom: 10px;
}

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

.process-arrow {
    width: 32px;
    height: 32px;
    margin-top: 34px;
    flex-shrink: 0;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50% { transform: translateX(5px); opacity: 0.6; }
}

.process-arrow svg {
    width: 100%;
    height: 100%;
}

/* --- Join Modes Grid --- */
.join-modes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.join-mode-card-v2 {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.join-mode-card-v2:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.mode-card-header {
    padding: 36px 24px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.mode-card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.mode-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.mode-card-icon svg {
    width: 28px;
    height: 28px;
}

.mode-card-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.mode-card-subtitle {
    font-size: 14px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.mode-card-body {
    padding: 28px 24px;
    flex: 1;
}

.mode-card-body > p {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.mode-card-tags span {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.mode-card-footer {
    padding: 0 24px 24px;
}

.mode-card-btn {
    display: block;
    width: 100%;
    padding: 14px;
    text-align: center;
    color: #fff;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.mode-card-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* --- Join Advantages Grid --- */
.join-advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.join-advantage-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.join-advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.join-advantage-card.full-width {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 140px 1fr;
}

.advantage-card-top {
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.join-advantage-card.full-width .advantage-card-top {
    min-height: auto;
}

.advantage-card-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card-icon svg {
    width: 32px;
    height: 32px;
}

.advantage-card-body {
    padding: 24px;
}

.advantage-card-body h4 {
    font-size: 18px;
    color: var(--color-gray-800);
    margin-bottom: 10px;
}

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

/* --- Support Grid --- */
.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.support-item {
    background: #fff;
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.support-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary-light);
}

.support-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.support-icon svg {
    width: 28px;
    height: 28px;
}

.support-item h4 {
    font-size: 18px;
    color: var(--color-gray-800);
    margin-bottom: 10px;
}

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

/* --- Partner & Philosophy Section --- */
.join-partner-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.partner-content p {
    font-size: 15px;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: 16px;
}

.partner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.partner-tag {
    padding: 8px 18px;
    background: #fff;
    border-radius: 20px;
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 500;
    border: 2px solid var(--color-primary);
    transition: all 0.3s ease;
}

.partner-tag:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.philosophy-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.philosophy-card {
    background: #fff;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.philosophy-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.philosophy-card h4 {
    font-size: 16px;
    color: var(--color-gray-800);
    margin-bottom: 6px;
}

.philosophy-card p {
    font-size: 13px;
    color: var(--color-gray-600);
}

/* --- CTA Section --- */
.join-cta-section {
    background-image: url('../images/brand/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 80px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.join-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(27,94,32,0.35) 0%, rgba(46,125,50,0.30) 50%, rgba(56,142,60,0.25) 100%);
    z-index: 0;
}

.join-cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
}

.btn-outline {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

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

.cta-contact {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    opacity: 0.9;
}

.cta-contact-item svg {
    width: 20px;
    height: 20px;
}

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

    .join-intro-visual {
        order: -1;
    }

    .intro-image-wrapper {
        min-height: 300px;
    }

    .intro-image-wrapper img {
        height: 300px;
    }

    .intro-floating-card {
        left: 20px;
        bottom: 20px;
    }

    .process-timeline {
        flex-wrap: wrap;
        gap: 30px;
    }

    .process-arrow {
        display: none;
    }

    .process-step {
        flex: 0 0 calc(50% - 15px);
        max-width: none;
    }

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

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

    .join-partner-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .join-intro-badges {
        justify-content: center;
    }

    .process-step {
        flex: 0 0 100%;
    }

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

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

    .join-advantage-card.full-width {
        grid-template-columns: 1fr;
    }

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

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .intro-badge {
        padding: 12px 16px;
        min-width: 80px;
    }

    .intro-badge .badge-num {
        font-size: 20px;
    }

    .step-circle {
        width: 80px;
        height: 80px;
    }

    .step-icon {
        width: 32px;
        height: 32px;
    }

    .mode-card-header {
        padding: 28px 20px;
    }

    .support-icon {
        width: 56px;
        height: 56px;
    }
}