/* ============================================================
   关于我们页面专属样式 - 绿白配色 + 宽屏响应式
   ============================================================ */

/* ============================================================
   宽屏容器 - 响应式最大宽度
   ============================================================ */
.container-wide {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 80px);
}

/* 更大屏幕的特殊处理 */
@media (min-width: 1920px) {
    .container-wide {
        max-width: 1800px;
        padding: 0 100px;
    }
}

/* Hero全宽容器 */
.hero-container {
    width: 100%;
    max-width: none;
    padding: 0 clamp(20px, 4vw, 80px);
}

@media (min-width: 1920px) {
    .hero-container {
        padding: 0 100px;
    }
}

/* Hero区域 */
.about-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(180deg, #ffffff 0%, #f0faf8 50%, #ffffff 100%);
    padding: 120px 0 80px;
    overflow: hidden;
}

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

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 147, 128, 0.05) 0%, transparent 60%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.2;
    animation: float-particle 8s ease-in-out infinite;
}

.particle.p1 { top: 20%; left: 10%; animation-delay: 0s; }
.particle.p2 { top: 30%; right: 15%; animation-delay: 1s; }
.particle.p3 { bottom: 30%; left: 20%; animation-delay: 2s; }
.particle.p4 { bottom: 20%; right: 10%; animation-delay: 3s; }
.particle.p5 { top: 50%; left: 50%; animation-delay: 4s; }
.particle.p6 { top: 15%; left: 30%; animation-delay: 0.5s; }
.particle.p7 { top: 25%; right: 25%; animation-delay: 1.5s; }
.particle.p8 { bottom: 25%; left: 35%; animation-delay: 2.5s; }

@keyframes float-particle {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.2; }
    50% { transform: translateY(-20px) scale(1.5); opacity: 0.4; }
}

.about-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.hero-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.badge-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary), transparent);
}

.badge-text {
    font-family: 'Space Grotesk', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    color: var(--primary);
    text-transform: uppercase;
}

.hero-main-title {
    font-family: 'Noto Serif SC', 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.3;
    margin-bottom: 30px;
}

.hero-main-title em {
    font-style: normal;
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: #5a6a7a;
    line-height: 1.9;
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-mission {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.mission-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.divider-icon {
    color: var(--primary);
    padding: 10px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: rgba(0, 147, 128, 0.05);
}

.mission-items {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.mission-item {
    font-size: 1rem;
    color: #1a1a1a;
    font-weight: 500;
}

.mission-sep {
    color: var(--primary);
    opacity: 0.5;
}

/* 核心数据 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(30px, 6vw, 120px);
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid rgba(0, 147, 128, 0.2);
    width: 100%;
}

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

.hero-stat-item .stat-number {
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.hero-stat-item .stat-unit {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.hero-stat-item .stat-label {
    font-size: clamp(0.8rem, 1vw, 0.9rem);
    color: #5a6a7a;
    margin-top: 8px;
    letter-spacing: 0.1em;
}

/* 滚动提示 */
.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--primary);
    opacity: 0.6;
}

.hero-scroll-hint span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   公司简介
   ============================================================ */
.about-intro {
    padding: clamp(60px, 8vw, 120px) 0;
    background: #fff;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(20px, 2.5vw, 40px);
    margin-top: clamp(30px, 4vw, 60px);
    width: 100%;
}

.intro-block {
    background: linear-gradient(135deg, #f8fafa 0%, #ffffff 100%);
    border: 1px solid rgba(0, 147, 128, 0.15);
    padding: clamp(24px, 3vw, 50px);
    position: relative;
    transition: all 0.4s ease;
}

.intro-block:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(0, 147, 128, 0.1);
}

.intro-block-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 147, 128, 0.15);
}

.intro-num {
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 700;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
}

.intro-block-header h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.2rem, 1.8vw, 1.5rem);
    color: #1a1a1a;
    font-weight: 600;
}

.intro-block-content p {
    font-size: clamp(0.9rem, 1.1vw, 1rem);
    color: #5a6a7a;
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-block-content p:last-child {
    margin-bottom: 0;
}

.intro-block-content strong {
    color: var(--primary);
    font-weight: 600;
}

.intro-block-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.intro-tag {
    padding: 6px 14px;
    background: rgba(0, 147, 128, 0.08);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.intro-tag:hover {
    background: var(--primary);
    color: #fff;
}

.intro-block-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 30px;
    padding: 30px;
    background: #fff;
    border: 2px solid var(--primary);
    border-radius: 50%;
    width: clamp(120px, 15vw, 160px);
    height: clamp(120px, 15vw, 160px);
    justify-content: center;
}

.badge-circle {
    color: var(--primary);
}

.badge-text {
    font-size: 0.85rem;
    color: #1a1a1a;
    text-align: center;
    font-weight: 600;
    line-height: 1.4;
}

/* 简介区域迷你数据 */
.intro-stats-mini {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 147, 128, 0.15);
}

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

.stat-mini-num {
    display: block;
    font-family: 'Space Grotesk', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-mini-label {
    display: block;
    font-size: 0.75rem;
    color: #5a6a7a;
    margin-top: 6px;
}

/* ============================================================
   品牌荣誉
   ============================================================ */
.about-awards {
    padding: clamp(60px, 8vw, 120px) 0;
    background: linear-gradient(180deg, #f8fafa 0%, #ffffff 100%);
    overflow: hidden;
}

.awards-header {
    text-align: center;
    margin-bottom: clamp(40px, 5vw, 70px);
}

.awards-scroll {
    width: 100%;
    overflow: visible;
}

.awards-track {
    display: flex;
    gap: 24px;
    animation: scrollAwards 30s linear infinite;
}

@keyframes scrollAwards {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.awards-track:hover {
    animation-play-state: paused;
}

.award-card {
    flex-shrink: 0;
    width: 240px;
    background: #fff;
    border: 1px solid rgba(0, 147, 128, 0.15);
    overflow: hidden;
    transition: all 0.4s ease;
}

.award-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 147, 128, 0.12);
}

.award-image {
    width: 100%;
    height: 320px;
    overflow: hidden;
}

.award-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.4s ease;
}

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

.award-content {
    padding: 16px 20px;
    text-align: center;
}

.award-content h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    color: #1a1a1a;
    margin-bottom: 8px;
    font-weight: 600;
}

.award-content p {
    font-size: 0.85rem;
    color: #5a6a7a;
    line-height: 1.5;
}

/* ============================================================
   产品优势
   ============================================================ */
.product-advantages {
    padding: clamp(60px, 8vw, 120px) 0;
    background: #fff;
}

.product-advantages .advantages-header {
    text-align: center;
    margin-bottom: clamp(40px, 5vw, 60px);
}

.advantage-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: clamp(50px, 8vw, 100px);
}

.advantage-row:last-child {
    margin-bottom: 0;
}

.advantage-row.reverse {
    direction: rtl;
}

.advantage-row.reverse > * {
    direction: ltr;
}

.advantage-content h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    color: #1a1a1a;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-left: 16px;
}

.advantage-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: linear-gradient(180deg, var(--primary), var(--gold));
    border-radius: 2px;
}

.advantage-content p {
    font-size: clamp(0.9rem, 1.2vw, 1rem);
    color: #5a6a7a;
    line-height: 1.8;
    margin-bottom: 16px;
}

.advantage-content p:last-child {
    margin-bottom: 0;
}

.advantage-content p strong {
    color: var(--primary);
    font-weight: 600;
}

.advantage-content .highlight {
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 20px;
}

.advantage-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.advantage-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.advantage-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid var(--primary);
    opacity: 0.2;
    border-radius: 8px;
    pointer-events: none;
}

@media (max-width: 992px) {
    .advantage-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .advantage-row.reverse {
        direction: ltr;
    }
}

@media (max-width: 576px) {
    .advantage-row {
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .advantage-content h3 {
        font-size: 1.2rem;
    }
    
    .advantage-content p {
        font-size: 0.9rem;
    }
}

/* ============================================================
   核心优势 - 新布局
   ============================================================ */
.about-advantages {
    padding: clamp(60px, 8vw, 120px) 0;
    background: #fff;
}

.advantages-wrapper {
    margin-top: clamp(40px, 5vw, 70px);
    display: flex;
    flex-direction: column;
    gap: clamp(50px, 6vw, 90px);
}

.advantage-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 4vw, 60px);
    align-items: center;
}

.advantage-section.reverse {
    direction: rtl;
}

.advantage-section.reverse > * {
    direction: ltr;
}

/* 图片区域 */
.advantage-section-image {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.advantage-section-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

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

.image-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
}

.overlay-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(1rem, 1.2vw, 1.2rem);
    font-weight: 700;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0, 147, 128, 0.3);
}

/* 内容区域 */
.advantage-section-content {
    padding: clamp(20px, 3vw, 40px);
}

.section-number {
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(3rem, 4vw, 5rem);
    font-weight: 700;
    color: var(--primary);
    opacity: 0.1;
    line-height: 1;
    margin-bottom: -20px;
}

.advantage-section-content h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.5rem, 2.2vw, 2rem);
    color: #1a1a1a;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
}

.advantage-section-content h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.section-lead {
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    color: #1a1a1a;
    line-height: 1.7;
    margin: 25px 0 20px;
    font-weight: 500;
}

.section-desc-text {
    font-size: clamp(0.85rem, 1vw, 0.95rem);
    color: #5a6a7a;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* 对比表格 */
.compare-table {
    margin: 25px 0;
    border: 1px solid rgba(0, 147, 128, 0.15);
    border-radius: 8px;
    overflow: hidden;
}

.compare-row {
    display: grid;
    grid-template-columns: 1.5fr 2fr 2fr;
    padding: 14px 20px;
    font-size: clamp(0.8rem, 1vw, 0.9rem);
}

.compare-row.header {
    background: linear-gradient(135deg, rgba(0, 147, 128, 0.1) 0%, rgba(0, 147, 128, 0.05) 100%);
    font-weight: 600;
    color: #1a1a1a;
    border-bottom: 1px solid rgba(0, 147, 128, 0.15);
}

.compare-row.national {
    background: #fff;
    color: #5a6a7a;
}

.compare-row.ours {
    background: rgba(0, 147, 128, 0.05);
    color: #1a1a1a;
    font-weight: 500;
}

.compare-row .highlight {
    color: var(--primary);
    font-weight: 700;
}

/* 标准对比框 */
.standard-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0;
}

.standard-item {
    padding: 20px;
    background: #f8fafa;
    border: 1px solid rgba(0, 147, 128, 0.15);
    border-radius: 8px;
    text-align: center;
}

.standard-item.highlight {
    background: linear-gradient(135deg, rgba(0, 147, 128, 0.1) 0%, rgba(0, 147, 128, 0.05) 100%);
    border-color: var(--primary);
}

.standard-label {
    display: block;
    font-size: clamp(0.75rem, 0.9vw, 0.85rem);
    color: #5a6a7a;
    margin-bottom: 8px;
}

.standard-value {
    display: block;
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(1.2rem, 1.5vw, 1.5rem);
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.standard-item.highlight .standard-value {
    color: var(--primary);
}

.standard-source {
    display: block;
    font-size: clamp(0.7rem, 0.8vw, 0.75rem);
    color: #5a6a7a;
}

.standard-item.highlight .standard-source {
    color: var(--primary);
    font-weight: 500;
}

/* 响应式 */
@media (max-width: 1024px) {
    .advantage-section {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .advantage-section.reverse {
        direction: ltr;
    }
    
    .advantage-section-image {
        max-height: 350px;
    }
    
    .advantage-section-image img {
        height: 350px;
        object-fit: cover;
    }
}

@media (max-width: 768px) {
    .standard-box {
        grid-template-columns: 1fr;
    }
    
    .compare-row {
        grid-template-columns: 1fr 1fr 1fr;
        padding: 10px 12px;
        font-size: 0.75rem;
    }
}

/* ============================================================
   发展历程
   ============================================================ */
.about-timeline {
    padding: clamp(60px, 8vw, 120px) 0;
    background: linear-gradient(180deg, #f8fafa 0%, #ffffff 100%);
}

.about-timeline .section-header {
    margin-bottom: clamp(50px, 6vw, 90px);
}

.timeline-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), rgba(0, 147, 128, 0.2));
    transform: translateX(-50%);
}

.timeline-row {
    position: relative;
    display: flex;
    margin-bottom: 40px;
}

.timeline-row.left {
    justify-content: flex-start;
    text-align: right;
}

.timeline-row.right {
    justify-content: flex-end;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    top: 0;
    width: 16px;
    height: 16px;
    background: #fff;
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 2;
}

.timeline-row.left .timeline-dot {
    left: 50%;
    margin-left: -8px;
}

.timeline-row.right .timeline-dot {
    left: 50%;
    margin-left: -8px;
}

.timeline-card {
    background: #fff;
    border: 1px solid rgba(0, 147, 128, 0.15);
    padding: clamp(16px, 2vw, 24px);
    transition: all 0.3s ease;
    width: 380px;
    height: 160px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.timeline-card .timeline-year {
    flex-shrink: 0;
}

.timeline-card h4 {
    flex-shrink: 0;
}

.timeline-card p {
    flex-grow: 1;
}

.timeline-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 147, 128, 0.1);
}

.timeline-year {
    font-family: 'Space Grotesk', monospace;
    font-size: clamp(1.1rem, 1.4vw, 1.4rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-card h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(0.95rem, 1.1vw, 1.05rem);
    color: #1a1a1a;
    margin-bottom: 8px;
    font-weight: 600;
}

.timeline-card p {
    font-size: clamp(0.8rem, 0.9vw, 0.85rem);
    color: #5a6a7a;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .timeline-line {
        left: 20px;
    }
    
    .timeline-row,
    .timeline-row.left,
    .timeline-row.right {
        padding: 0 0 30px 40px;
        justify-content: flex-start;
        text-align: left;
    }
    
    .timeline-dot,
    .timeline-row.left .timeline-dot,
    .timeline-row.right .timeline-dot {
        left: -20px;
        margin-left: 0;
    }
    
    .timeline-card {
        width: 100%;
        height: auto;
    }
}

.timeline-card h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(0.9rem, 1.1vw, 1.05rem);
    color: #1a1a1a;
    margin-bottom: 8px;
}

.timeline-card p {
    font-size: clamp(0.8rem, 0.95vw, 0.9rem);
    color: #5a6a7a;
    line-height: 1.6;
}

/* ============================================================
   品牌合作
   ============================================================ */
.about-partners {
    padding: 0;
    background: #fff;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    margin-top: 0;
}

.partner-item {
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: auto;
    transition: all 0.3s ease;
}

.partner-item:hover {
    border-color: transparent;
    background: transparent;
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    padding: 0;
}

.partner-item:hover img {
    opacity: 1;
}

/* ============================================================
   联系我们
   ============================================================ */
.about-contact {
    padding: clamp(60px, 8vw, 120px) 0;
    background: linear-gradient(180deg, #f8fafa 0%, #ffffff 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 2.5vw, 35px);
    margin-top: clamp(40px, 5vw, 70px);
}

.contact-card {
    text-align: center;
    padding: clamp(24px, 3vw, 40px) clamp(16px, 2vw, 24px);
    background: #fff;
    border: 1px solid rgba(0, 147, 128, 0.15);
    transition: all 0.4s ease;
}

.contact-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 147, 128, 0.1);
}

.contact-icon {
    width: clamp(50px, 6vw, 70px);
    height: clamp(50px, 6vw, 70px);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 147, 128, 0.1), rgba(0, 147, 128, 0.05));
    border: 1px solid var(--primary);
    border-radius: 50%;
    color: var(--primary);
    font-size: clamp(1.1rem, 1.4vw, 1.4rem);
}

.contact-card h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    color: #1a1a1a;
    margin-bottom: 12px;
}

.contact-card p {
    font-size: clamp(0.85rem, 1vw, 0.95rem);
    color: #5a6a7a;
    line-height: 1.6;
}

/* ============================================================
   响应式设计
   ============================================================ */

/* 超大屏幕 - 1600px以上 */
@media (min-width: 1600px) {
    .hero-stats {
        width: 100%;
    }
    
    .intro-grid {
        width: 100%;
    }
    
    .awards-grid {
        width: 100%;
    }
    
    .advantages-grid {
        width: 100%;
    }
    
    .contact-grid {
        width: 100%;
    }
}

/* 大屏幕 - 1200px */
@media (max-width: 1200px) {
    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 平板 - 992px */
@media (max-width: 992px) {
    .about-hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline-wrapper {
        padding-left: 30px;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item.left,
    .timeline-item.right {
        width: 100%;
        left: 0;
        text-align: left;
        padding-left: 50px;
        padding-right: 0;
        padding-bottom: 30px;
    }
    
    .timeline-item .timeline-dot,
    .timeline-item.left .timeline-dot,
    .timeline-item.right .timeline-dot {
        left: 11px;
        right: auto;
    }
    
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 小平板 - 768px */
@media (max-width: 768px) {
    .hero-badge {
        flex-direction: column;
        gap: 10px;
    }
    
    .badge-line {
        width: 40px;
    }
    
    .mission-items {
        flex-direction: column;
        gap: 10px;
    }
    
    .mission-sep {
        display: none;
    }
    
    .hero-stats {
        padding-top: 40px;
        margin-top: 40px;
    }
    
    .intro-block {
        padding: 30px 24px;
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-card {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    
    .advantage-visual {
        padding: 30px 20px;
    }
    
    .advantage-content {
        padding: 24px 20px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* 手机 - 576px */
@media (max-width: 576px) {
    .hero-main-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    
    .hero-stat-item {
        padding: 20px 10px;
    }
    
    .hero-scroll-hint {
        display: none;
    }
    
    .intro-num {
        font-size: 2rem;
    }
    
    .intro-block-header h3 {
        font-size: 1.2rem;
    }
    
    .intro-block-badge {
        width: 120px;
        height: 120px;
        padding: 20px;
    }
    
    .award-card {
        padding: 24px 20px;
    }
    
    .advantage-card {
        grid-template-columns: 1fr;
    }
    
    .advantage-visual {
        padding: 30px;
    }
    
    .advantage-ring {
        width: 100px;
        height: 100px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .contact-card {
        padding: 30px 20px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
}

/* 小手机 */
@media (max-width: 375px) {
    .container-wide {
        padding: 0 16px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   保留原有样式（兼容旧代码）
   ============================================================ */

/* 品牌使命 */
.brand-mission-box {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
}

.mission-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, #009380, transparent);
}

.mission-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mission-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mission-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(0, 147, 128, 0.1), rgba(0, 147, 128, 0.05));
    border-radius: 50%;
    color: #009380;
}

.mission-text {
    font-size: 1.1rem;
    color: #009380;
    font-weight: 500;
}

/* 轮播样式 */
.about-slider-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.about-slider {
    position: relative;
    height: 400px;
}

.about-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

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

.about-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.slider-prev {
    left: 15px;
}

.slider-next {
    right: 15px;
}

/* 品牌理念 */
.about-brand {
    padding: 100px 0;
    background: #fff;
}

.brand-values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.brand-value-item {
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border: 1px solid #e0e0e0;
    transition: all 0.4s ease;
}

.brand-value-item:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 147, 128, 0.1);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--primary);
    border-radius: 50%;
    color: var(--primary);
    font-size: 1.4rem;
}

.brand-value-item h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.brand-value-item p {
    font-size: 0.9rem;
    color: #5a6a7a;
    line-height: 1.6;
}