/* ============================================
   全局样式和变量 - 参考Gabriel官方网站设计
   ============================================ */
:root {
    --green-primary: #8BC34A;
    --green-light: #F1F8E9;
    --green-dark: #689F38;
    --white: #ffffff;
    --bg-light: #F9FBF6;
    --bg-white: #ffffff;
    --bg-gray-50: #fafafa;
    --bg-gray-100: #f5f5f5;
    --bg-slate-50: #f8fafc;
    --bg-slate-100: #f1f5f9;
    --text-dark: #0f172a;
    --text-slate-900: #0f172a;
    --text-slate-600: #475569;
    --text-slate-400: #94a3b8;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-muted: #cbd5e1;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-slate-100: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 12px 30px -10px rgba(0, 0, 0, 0.08);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 32px;
    --radius-xl: 48px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.7;
    color: var(--text-slate-900);
    background-color: var(--bg-white);
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 网格背景图案 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.4;
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 32px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
}

/* ============================================
   樱花飘落动画
   ============================================ */
.sakura-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.sakura {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #FCE4EC;
    border-radius: 50% 0 50% 0;
    opacity: 0.7;
    animation: sakura-fall linear infinite;
    box-shadow: 0 0 6px rgba(252, 228, 236, 0.8);
}

@keyframes sakura-fall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0.7;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* ============================================
   导航栏 - 日式简洁
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition);
    padding: 12px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-sm);
    padding: 8px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 48px;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.25rem 0;
    overflow: visible;
    min-width: 0;
    flex-shrink: 0;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
}

.logo-text-main {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-slate-900);
    line-height: 1.2;
}

.logo-text-sub {
    font-size: 0.5625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-slate-400);
    margin-top: 4px;
    font-family: 'Montserrat', sans-serif;
}

.logo-image {
    height: 48px !important;
    width: auto;
    max-width: 480px;
    max-height: 48px !important;
    object-fit: contain;
    object-position: center center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 4px rgba(124, 179, 66, 0.2));
    display: block;
    flex-shrink: 0;
    overflow: visible;
}

.logo-image:hover {
    transform: scale(1.08) translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(124, 179, 66, 0.4));
}

.logo:hover .logo-image {
    animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1.08) translateY(-2px);
    }
    50% {
        transform: scale(1.1) translateY(-3px);
    }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--green-primary);
    letter-spacing: -0.5px;
}

.logo-slogan {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--green-dark);
    margin-left: 0.75rem;
    padding-left: 1rem;
    border-left: 2px solid var(--green-primary);
    letter-spacing: 0.8px;
    white-space: nowrap;
    line-height: 1.3;
    opacity: 0.85;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.logo-slogan::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--green-primary);
    transition: width 0.3s ease;
}

.logo:hover .logo-slogan {
    opacity: 1;
    color: var(--green-primary);
    transform: translateX(2px);
}

.logo:hover .logo-slogan::before {
    width: 100%;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

/* 语言切换器 */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: 1rem;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.lang-select {
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    background: white;
    border: 1.5px solid var(--green-primary);
    border-radius: 6px;
    color: var(--text-dark);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Noto Sans SC', 'Montserrat', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-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='%237CB342' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    min-width: 100px;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.lang-select:hover {
    background-color: rgba(124, 179, 66, 0.05);
    border-color: var(--green-primary);
}

.lang-select:focus {
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(124, 179, 66, 0.1);
    outline: none;
}

.lang-select option {
    padding: 0.5rem;
    background: white;
    color: var(--text-dark);
}

.nav-link {
    color: var(--text-slate-600);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.75rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--green-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   英雄区域 - 日式优雅
   ============================================ */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 0 80px;
    overflow: hidden;
    background: var(--bg-white);
}

/* ============================================
   图片轮播
   ============================================ */
.hero-carousel {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* 轮播背景与hero背景融合 */
.hero-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.4) 100%
    );
    z-index: 0;
    pointer-events: none;
}

.carousel-container {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1.05) translateX(0);
    will-change: transform, opacity;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.prev {
    transform: scale(1.1) translateX(-100%);
}

.carousel-slide.next {
    transform: scale(1.1) translateX(100%);
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1) translateX(0);
    z-index: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: var(--radius-lg);
}

.carousel-image:not([src]),
.carousel-image[src=""],
.carousel-image[src*="undefined"] {
    background: linear-gradient(135deg, #f5f9f0 0%, #e8f5e9 100%);
}

.carousel-slide.active .carousel-image {
    transform: scale(1);
}

@keyframes kenBurns {
    0% {
        transform: scale(1) translate(0, 0);
    }
    50% {
        transform: scale(var(--ken-burns-scale, 1.05)) translate(var(--ken-burns-translate-x, -1%), var(--ken-burns-translate-y, -1%));
    }
    100% {
        transform: scale(1) translate(0, 0);
    }
}

/* 光效动画 */
.carousel-slide.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(156, 204, 101, 0.25),
        rgba(255, 255, 255, 0.3),
        rgba(156, 204, 101, 0.25),
        transparent
    );
    animation: shine 4s infinite;
    z-index: 2;
}

@keyframes shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.carousel-overlay {
    display: none;
}

@keyframes overlayPulse {
    0%, 100% {
        opacity: 1;
        background: linear-gradient(
            135deg,
            rgba(124, 179, 66, 0.15) 0%,
            rgba(156, 204, 101, 0.2) 25%,
            rgba(124, 179, 66, 0.18) 50%,
            rgba(156, 204, 101, 0.2) 75%,
            rgba(124, 179, 66, 0.15) 100%
        );
    }
    50% {
        opacity: 0.85;
        background: linear-gradient(
            135deg,
            rgba(124, 179, 66, 0.12) 0%,
            rgba(156, 204, 101, 0.17) 25%,
            rgba(124, 179, 66, 0.15) 50%,
            rgba(156, 204, 101, 0.17) 75%,
            rgba(124, 179, 66, 0.12) 100%
        );
    }
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid var(--text-slate-400);
    background: transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    outline: none;
    position: relative;
}

.indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--green-primary);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.indicator:hover {
    transform: scale(1.3);
    border-color: var(--green-primary);
}

.indicator:hover::after {
    transform: translate(-50%, -50%) scale(0.6);
}

.indicator.active {
    border-color: var(--green-primary);
    width: 24px;
    border-radius: 4px;
    background: var(--green-primary);
}

.indicator.active::after {
    transform: translate(-50%, -50%) scale(1);
    border-radius: 6px;
}

/* 轮播控制按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: white;
    font-size: 2.2rem;
    font-weight: 300;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    outline: none;
    line-height: 1;
    user-select: none;
}

.carousel-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 179, 66, 0.6), transparent);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.carousel-btn:hover {
    background: var(--green-primary);
    border-color: var(--green-primary);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-hover);
}

.carousel-btn:hover::before {
    transform: translate(-50%, -50%) scale(1.5);
}

.carousel-btn:active {
    transform: translateY(-50%) scale(1.05);
}

.carousel-prev {
    left: 16px;
}

.carousel-next {
    right: 16px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(124, 179, 66, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(156, 204, 101, 0.05) 0%, transparent 50%);
    animation: pattern-move 20s ease-in-out infinite;
}

@keyframes pattern-move {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, -20px); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    z-index: 2;
    position: relative;
    padding: 140px 20px 80px;
}

.hero-badge {
    display: inline-block;
    padding: 0.6rem 1.8rem;
    background: rgba(124, 179, 66, 0.1);
    border: 1.5px solid var(--green-primary);
    border-radius: 50px;
    color: var(--green-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    letter-spacing: -1px;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    margin-bottom: 2.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    font-size: 14px;
    position: relative;
    overflow: hidden;
    min-height: 40px;
}

.btn-primary {
    background: var(--green-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--green-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: white;
    color: var(--green-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-gray-50);
    border-color: var(--green-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-block {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--green-primary);
    border-bottom: 2px solid var(--green-primary);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================
   淡入动画
   ============================================ */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   通用区块样式
   ============================================ */
section {
    padding: 80px 0;
    position: relative;
}

@media (min-width: 768px) {
    section {
        padding: 96px 0;
    }
}

@media (min-width: 1024px) {
    section {
        padding: 120px 0;
    }
}

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

.section-header-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.section-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.4em;
    color: var(--green-primary);
}

.section-header-line {
    height: 1px;
    width: 48px;
    background: var(--border-color);
}

.section-header-title-wrapper {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--text-slate-900);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    color: var(--text-slate-400);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.section-description {
    font-size: 1rem;
    color: var(--text-slate-600);
    max-width: 700px;
    line-height: 1.75;
    font-weight: 400;
}

/* ============================================
   公司介绍
   ============================================ */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
    align-items: start;
}

.about-intro {
    margin-bottom: 48px;
}

.about-intro-text {
    font-size: 1.125rem;
    color: var(--text-slate-800);
    margin-bottom: 32px;
    line-height: 1.9;
    font-weight: 400;
}

.about-intro-text:last-of-type {
    font-size: 0.9375rem;
    color: var(--text-slate-500);
    line-height: 1.8;
    margin-bottom: 0;
    font-weight: 400;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 0;
}

.value-item {
    text-align: left;
    padding: 0;
    background: transparent;
    border-radius: 0;
    transition: var(--transition);
    border: none;
    box-shadow: none;
}

.value-item:hover {
    transform: none;
    box-shadow: none;
    border-color: transparent;
}

.value-item:hover .value-icon {
    filter: grayscale(0);
}

.value-icon {
    font-size: 24px;
    margin-bottom: 16px;
    filter: grayscale(1);
    transition: var(--transition);
}

.value-item h4 {
    font-size: 0.9375rem;
    margin-bottom: 8px;
    color: var(--text-slate-900);
    font-weight: 600;
}

.value-item p {
    font-size: 0.8125rem;
    color: var(--text-slate-500);
    line-height: 1.7;
    font-weight: 400;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
}

.about-main-image {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: 40px;
    display: block;
}

.mission-card {
    position: absolute;
    bottom: -40px;
    left: -40px;
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-slate-100);
    box-shadow: var(--shadow-lg);
    max-width: 320px;
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-wrapper {
        order: -1;
    }
    
    .mission-card {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 24px;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .about-content {
        gap: 32px;
    }
    
    .about-intro-text {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .about-intro-text:last-of-type {
        font-size: 0.875rem;
    }
    
    .about-values {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .mission-card {
        padding: 32px;
    }
}

.mission-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--green-primary);
    display: block;
    margin-bottom: 16px;
}

.mission-quote {
    font-size: 0.875rem;
    color: var(--text-slate-600);
    line-height: 1.7;
    font-style: italic;
    margin: 0;
    font-weight: 400;
}

/* ============================================
   服务介绍
   ============================================ */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-slate-100);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.service-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    transition: var(--transition);
    flex-shrink: 0;
}

/* 为不同服务设置不同的图标背景色 */
.service-card:nth-child(1) .service-icon-wrapper {
    background: #fce4ec; /* 浅粉色 */
}

.service-card:nth-child(2) .service-icon-wrapper {
    background: #fff9c4; /* 浅黄色 */
}

.service-card:nth-child(3) .service-icon-wrapper {
    background: #f3e5f5; /* 浅紫色 */
}

.service-card:nth-child(4) .service-icon-wrapper {
    background: #fff9c4; /* 浅黄色 */
}

.service-card:hover .service-icon-wrapper {
    transform: scale(1.05);
}

.service-icon {
    font-size: 32px;
    line-height: 1;
}

.service-card h3 {
    font-size: 1.125rem;
    margin-bottom: 16px;
    color: var(--text-slate-900);
    line-height: 1.5;
    font-weight: 600;
}

.service-card > p {
    color: var(--text-slate-500);
    margin-bottom: 32px;
    line-height: 1.7;
    font-size: 0.875rem;
    flex-grow: 1;
    font-weight: 400;
}

.service-features {
    list-style: none;
    padding-top: 24px;
    border-top: 1px solid var(--border-slate-100);
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-slate-600);
    font-size: 0.8125rem;
    font-weight: 500;
    position: relative;
    padding-left: 0;
    line-height: 1.6;
}

.service-features li::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--green-primary);
    border-radius: 50%;
    flex-shrink: 0;
    display: block;
}

/* ============================================
   产品介绍
   ============================================ */
.products {
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

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

.product-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(124, 179, 66, 0.1), rgba(156, 204, 101, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(124, 179, 66, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.product-placeholder {
    font-size: 4rem;
    z-index: 1;
}

.product-content {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(124, 179, 66, 0.08);
    color: var(--green-primary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 12px;
}

.product-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-dark);
}

.product-card > .product-content > p {
    color: var(--text-slate-600);
    margin-bottom: 16px;
    line-height: 1.7;
    font-size: 0.875rem;
    flex: 1;
    font-weight: 400;
}

.product-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: var(--bg-gray-50);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-slate-600);
    font-weight: 500;
}

/* ============================================
   成功案例
   ============================================ */
.cases {
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
}

.case-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-primary);
}

.case-title {
    margin-bottom: 1.5rem;
    text-align: center;
}

.case-title h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin: 0;
    font-weight: 600;
    line-height: 1.4;
}

.case-comparison {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.comparison-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.comparison-label {
    font-size: 0.75rem;
    color: var(--text-slate-600);
    text-align: center;
    font-weight: 600;
    padding: 6px 12px;
    background: var(--bg-gray-50);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Montserrat', sans-serif;
}

.comparison-image {
    width: 100%;
    aspect-ratio: 9 / 16;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-gray-50);
    position: relative;
    border: 1px solid var(--border-light);
}

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

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

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(124, 179, 66, 0.1), rgba(156, 204, 101, 0.1));
    color: var(--text-light);
    font-size: 1.5rem;
    line-height: 1.6;
    text-align: center;
    padding: 1rem;
}

.comparison-arrow {
    font-size: 2rem;
    color: var(--green-primary);
    font-weight: bold;
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 0;
    border-top: none;
    margin-top: auto;
}

.case-results .result-item {
    border-left: 1px solid var(--border-slate-100);
    padding-left: 16px;
    text-align: left;
    background: transparent;
    border-radius: 0;
    border: none;
    padding: 0 0 0 16px;
}

.case-results .result-item:hover {
    transform: none;
    box-shadow: none;
}

.result-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px 12px;
    background: var(--bg-gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.result-item:hover {
    background: white;
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.result-label {
    font-size: 9px;
    color: var(--text-slate-400);
    margin-bottom: 4px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.result-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--green-primary);
    line-height: 1.2;
}

/* ============================================
   联系我们
   ============================================ */
.contact {
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: 0;
    margin-top: 120px;
    padding: 80px 0;
}

.contact .section-header {
    margin-bottom: 64px;
}

.contact .section-title,
.contact .section-subtitle {
    color: var(--text-dark);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-description {
    font-size: 1rem;
    color: var(--text-slate-600);
    line-height: 1.75;
    font-weight: 400;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.contact-item-icon {
    font-size: 24px;
    opacity: 0.6;
    flex-shrink: 0;
    margin-top: 4px;
}

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

.contact-item-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-slate-500);
    margin-bottom: 8px;
}

.contact-item-value {
    font-size: 0.9375rem;
    color: var(--text-dark);
    font-weight: 400;
    line-height: 1.7;
}

.line-panel {
    background: var(--bg-gray-50);
    border-radius: var(--radius-lg);
    padding: 64px;
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.line-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--green-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
}

.line-icon {
    font-size: 48px;
}

.line-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.line-description {
    font-size: 0.875rem;
    color: var(--text-slate-600);
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.7;
}

.line-qr-wrapper {
    width: 192px;
    height: 192px;
    background: white;
    padding: 16px;
    border-radius: 24px;
    margin: 0 auto 32px;
    box-shadow: var(--shadow-lg);
}

.line-qr-link {
    display: block;
    width: 100%;
    height: 100%;
    cursor: pointer;
    transition: var(--transition);
}

.line-qr-link:hover {
    transform: scale(1.05);
}

.line-qr-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
}

.line-footer-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    transition: var(--transition);
}

.line-qr-link:hover ~ .line-footer-text,
.line-panel:hover .line-footer-text {
    color: var(--green-primary);
}

.contact-form {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(124, 179, 66, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 32px;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo-image {
    height: auto;
    width: auto;
    max-height: 55px;
    max-width: 280px;
    object-fit: contain;
    filter: brightness(1.2);
    transition: var(--transition);
}

.footer-logo-image:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green-light);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    font-size: 14px;
}

.footer-section h4 {
    margin-bottom: 16px;
    font-size: 14px;
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    display: inline-block;
    padding: 4px 0;
}

.footer-links a:hover {
    color: rgba(255, 255, 255, 0.87);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .language-switcher {
        margin-left: 0;
        margin-top: 1rem;
        order: 3;
        width: 100%;
    }
    
    .lang-select {
        width: 100%;
        max-width: 200px;
    }

    .logo-image {
        height: 40px !important;
        max-width: 280px;
        width: auto;
        max-height: 40px !important;
    }

    .logo-slogan {
        font-size: 0.8rem;
        margin-left: 0.6rem;
        padding-left: 0.75rem;
        border-left-width: 1.5px;
        letter-spacing: 0.5px;
    }

    .carousel-btn {
        width: 44px;
        height: 44px;
        font-size: 1.8rem;
    }

    .carousel-prev {
        left: 10px;
    }

    .carousel-next {
        right: 10px;
    }

    .carousel-indicators {
        bottom: 15px;
        padding: 8px 15px;
        gap: 8px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }

    .indicator.active {
        width: 24px;
    }

    .hero {
        padding: 20px 24px 32px;
        margin-top: 72px;
        min-height: auto;
    }
    
    .hero-carousel {
        position: relative;
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }

    .hero-content {
        padding: 70px 20px 40px;
    }
    
    .contact {
        padding: 60px 0;
        margin-top: 80px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 0;
    }
    
    .contact-info {
        gap: 24px;
    }
    
    .line-panel {
        padding: 48px 32px;
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: clamp(0.95rem, 3vw, 1.1rem);
        margin-bottom: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        padding: 0.9rem 2rem;
        font-size: 0.95rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-wrapper {
        order: -1;
    }
    
    .mission-card {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 24px;
        max-width: 100%;
        padding: 32px;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-info {
        gap: 24px;
    }
    
    .line-panel {
        padding: 48px 32px;
    }
    
    .info-card {
        padding: 2rem 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .product-content {
        padding: 1.5rem;
    }
    
    .product-image {
        height: 180px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .case-card {
        padding: 1.5rem;
    }
    
    .case-comparison {
        flex-direction: column;
        gap: 1rem;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
        font-size: 1.5rem;
    }
    
    .case-results {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    
    .result-item {
        padding: 0.75rem 0.5rem;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 36px !important;
        max-width: 240px;
        max-height: 36px !important;
    }

    .logo-slogan {
        display: none; /* 在很小的屏幕上隐藏标语，只显示logo */
    }

    .hero {
        padding: 16px 16px 24px;
        margin-top: 64px;
        min-height: auto;
    }
    
    .hero-carousel {
        position: relative;
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        border-radius: 24px;
    }
    
    .carousel-container {
        aspect-ratio: 16 / 9;
    }
    
    .contact {
        padding: 48px 0;
        margin-top: 60px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .line-panel {
        padding: 40px 24px;
    }
    
    .line-qr-wrapper {
        width: 160px;
        height: 160px;
    }

    .hero-content {
        padding: 60px 15px 30px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
        margin-bottom: 1.5rem;
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .btn {
        width: 100%;
        max-width: 100%;
        padding: 0.85rem 1.5rem;
        font-size: 0.9rem;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 1.5rem;
    }

    .carousel-prev {
        left: 8px;
    }

    .carousel-next {
        right: 8px;
    }

    .carousel-indicators {
        bottom: 10px;
        padding: 6px 12px;
        gap: 6px;
    }

    .indicator {
        width: 8px;
        height: 8px;
        border-width: 1.5px;
    }

    .indicator.active {
        width: 20px;
    }

    .scroll-indicator {
        bottom: 15px;
    }

    .scroll-arrow {
        width: 18px;
        height: 18px;
        border-width: 1.5px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .contact-description {
        font-size: 0.875rem;
    }
    
    .line-panel {
        padding: 40px 24px;
    }
    
    .line-qr-wrapper {
        width: 160px;
        height: 160px;
    }
    
    .info-icon {
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }
    
    .info-card h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .info-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-content {
        padding: 1.25rem;
    }
    
    .product-image {
        height: 150px;
    }
    
    .product-card h3 {
        font-size: 1.125rem;
    }
    
    section {
        padding: 50px 0;
    }
    
    .contact {
        padding: 50px 0;
    }
    
    .contact-content {
        padding: 0 15px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-card {
        padding: 1rem;
    }
    
    .case-title {
        margin-bottom: 1rem;
    }
    
    .case-title h3 {
        font-size: 1rem;
    }
    
    .case-comparison {
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .comparison-item {
        width: 100%;
    }
    
    .comparison-image {
        aspect-ratio: 9 / 16;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
        font-size: 1.5rem;
        margin: 0.5rem 0;
    }
    
    .case-results {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
        margin-top: 1rem;
    }
    
    .result-item {
        padding: 0.5rem 0.25rem;
    }
    
    .result-label {
        font-size: 0.75rem;
    }
    
    .result-value {
        font-size: 1rem;
    }
    
    .comparison-image {
        aspect-ratio: 4 / 3;
    }
    
    .case-results {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .result-item {
        padding: 0.75rem;
    }
}