html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}
body {
    margin: 0;
    font-family: 'Inter', 'Arial', sans-serif;
    background: linear-gradient(180deg, #e6f4e6 0%, #f7f3e7 100%);
    min-height: 100vh;
    color: #11503b;
    overflow-x: hidden;
}
.hero {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 48px;
    max-width: 1000px;
    margin: 140px auto 0 auto;
    padding: 0 24px;
}
.profile-img {
    width: 260px;
    height: 260px;
    background: #bfa48a;
    border-radius: 50%;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
}
.hero-title {
    font-size: 5rem;
    font-weight: 800;
    margin: 0 0 24px 0;
    text-align: left;
    line-height: 1.05;
    font-family: 'Inter', 'Arial', sans-serif;
}
.hero-subtitle {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: left;
    margin-left: 10px;
    font-family: 'Inter', 'Arial', sans-serif;
}
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        font-size: 1.3rem;
    }
    .profile-img {
        width: 180px;
        height: 220px;
    }
}
.split-hero {
    display: flex;
    height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
}
.split-left {
    flex: 1;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}
.logo {
    position: absolute;
    top: 40px;
    left: 40px;
    color: #111;
    font-size: 1rem;
    font-family: 'Inter', 'Arial', sans-serif;
}
.split-center {
    text-align: center;
}
.split-title {
    color: #111;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: 'Inter', 'Arial', sans-serif;
}
.split-desc {
    color: #111;
    font-size: 1.5rem;
    font-family: 'Inter', 'Arial', sans-serif;
}
@media (max-width: 900px) {
    .split-hero {
        flex-direction: column;
        height: auto;
    }
    .split-left, .split-right {
        flex: none;
        width: 100vw;
        height: 50vh;
    }
    .split-right img {
        height: 50vh;
    }
}
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.side-nav.show {
    opacity: 1;
    pointer-events: auto;
}
.side-nav-icons {
    background: rgba(255,255,255,0.7);
    border-radius: 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 48px;
}
.side-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background 0.2s;
}
.side-icon:hover {
    background: rgba(17,80,59,0.08);
}
@media (max-width: 900px) {
    .side-nav {
        display: none;
    }
}
.fixed-bg-section {
    position: relative;
    width: 100%;
    min-height: 600px;
    background: url('photo11.jpg') center center / cover no-repeat fixed;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.fixed-bg-content {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 600px;
}
.fixed-bg-box {
    background: #fff;
    padding: 48px 40px;
    margin-left: 8vw;
    max-width: 700px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.10);
    border-radius: 4px;
}
.fixed-bg-box p {
    font-size: 1.3rem;
    color: #222;
    margin-bottom: 32px;
}
.fixed-bg-box h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #111;
    margin: 0;
}
@media (max-width: 900px) {
    .fixed-bg-section, .fixed-bg-content {
        min-height: 400px;
    }
    .fixed-bg-box {
        padding: 24px 12px;
        margin-left: 0;
        max-width: 95vw;
    }
}
.work-section {
    background: #fafbfc;
    padding: 100px 0 80px 0;
    min-height: 600px;
    position: relative;
    font-family: 'Inter', 'Arial', sans-serif;
}
.work-title {
    font-size: 3rem;
    font-weight: 800;
    color: #222;
    text-align: center;
    width: 100%;
    display: block;
    margin-bottom: 56px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(.4,0,.2,1), transform 0.8s cubic-bezier(.4,0,.2,1);
    font-family: 'Inter', 'Arial', sans-serif;
}
.work-title.visible {
    opacity: 1;
    transform: translateY(0);
}
.work-history {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1350px;
    margin: 0 auto;
    position: relative;
}
/* Only apply the vertical line to the work section */
.work-section .work-history::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #b2c8b2 0%, #11503b 100%);
    z-index: 0;
}
.studies-history {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1350px;
    margin: 0 auto;
    position: relative;
}
.studies-history .work-card {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.studies-history .work-card.in-view {
    opacity: 1;
    transform: translateY(0);
}
.work-card {
    display: flex;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    overflow: hidden;
    align-items: stretch;
    padding-left: 24px;
    gap: 0;
    position: relative;
    z-index: 1;
    margin-left: 10px;
    width: 100%;
    min-width: 600px;
}
.work-info-area {
    flex: 2 1 0;
    min-width: 0;
    padding: 24px 32px 24px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.work-info-header {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 8px;
}
.work-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
    flex-shrink: 0;
    background: #fff;
    max-width: 80px;
    min-width: 60px;
}
.work-extra-img-area {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
}
.work-extra-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0 8px 8px 0;
    margin-left: 0;
    box-shadow: none;
    display: block;
}
.work-location {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 4px;
    font-family: 'Inter', 'Arial', sans-serif;
}
.work-date {
    font-size: 1rem;
    color: #aaa;
    margin-bottom: 8px;
    font-family: 'Inter', 'Arial', sans-serif;
}
.work-role {
    font-size: 1.3rem;
    font-weight: 700;
    color: #11503b;
    margin-bottom: 8px;
    font-family: 'Inter', 'Arial', sans-serif;
}
.work-desc {
    font-size: 1.1rem;
    color: #222;
    font-family: 'Inter', 'Arial', sans-serif;
}
@media (max-width: 900px) {
    .work-history {
        gap: 24px;
        max-width: 98vw;
    }
    .work-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 16px;
        margin-left: 0;
        min-width: 0;
    }
    .work-info-area {
        padding: 0;
    }
    .work-info-header {
        gap: 10px;
    }
    .work-img {
        width: 60px;
        height: 60px;
        max-width: 60px;
        min-width: 40px;
    }
    .work-extra-img-area {
        width: 100%;
        height: 100px;
        min-width: 0;
    }
    .work-extra-img {
        width: 100%;
        height: 100px;
        border-radius: 0 0 8px 8px;
        align-self: stretch;
    }
}
.side-tooltip {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    color: #11503b;
    font-size: 1rem;
    padding: 6px 16px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    white-space: nowrap;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 999;
    pointer-events: none;
}
.side-icon:hover .side-tooltip,
.side-icon:focus .side-tooltip {
    visibility: visible;
    opacity: 1;
}
.side-icon {
    position: relative;
}
.awards-section {
    margin-top: 64px;
}
.awards-row {
    max-width: 1350px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.award-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    width: 440px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0 0 16px 0;
    transition: box-shadow 0.2s;
}
.award-card:hover {
    box-shadow: 0 6px 24px rgba(17,80,59,0.12);
}
.award-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
    margin-bottom: 18px;
}
.award-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: #222;
    margin: 0 16px 2px 16px;
    font-family: 'Inter', 'Arial', sans-serif;
}
.award-desc {
    font-size: 1rem;
    color: #444;
    margin: 0 16px 16px 16px;
    flex: 1;
    font-family: 'Inter', 'Arial', sans-serif;
}
.award-footer {
    display: flex;
    align-items: center;
    margin-left: 16px;
}
.award-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 6px;
    background: #f0f0f0;
}
@media (max-width: 900px) {
    .awards-row {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }
    .award-card {
        width: 90vw;
    }
}
.awards-container {
    max-width: 1350px;
    margin: 0 auto;
}
.awards-title {
    font-size: 2rem;
    font-weight: 700;
    color: #11503b;
    margin-bottom: 32px;
    text-align: left;
    font-family: 'Inter', 'Arial', sans-serif;
}
.awards-title.working-experiences {
    margin-left: 0;
}
.split-left, .split-right {
    width: 50vw;
    min-width: 0;
    flex: none;
    height: 100vh;
    overflow: hidden;
    position: relative;
}
.split-right img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.work-container {
    max-width: 1350px;
    margin: 0 auto;
}
.award-date {
    font-size: 0.95rem;
    color: #888;
    margin: 0 16px 2px 16px;
    font-family: 'Inter', 'Arial', sans-serif;
}
.award-img-carousel {
    position: relative;
    width: 100%;
    height: 300px;
}
.award-img-carousel .award-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
    margin-bottom: 0;
}
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.carousel-arrow.left {
    left: 10px;
}
.carousel-arrow.right {
    right: 10px;
}
.carousel-arrow svg {
    width: 28px;
    height: 28px;
    stroke: #11503b;
    stroke-width: 3;
    fill: none;
    display: block;
}
.award-img-carousel:hover .carousel-arrow {
    opacity: 1;
}
.study-card {
    width: 75%;
    margin: 0 auto;
}
.carousel {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 100%;
}
.carousel-arrow {
    background: rgba(255,255,255,0.7);
    border: none;
    font-size: 2rem;
    cursor: pointer;
    padding: 0 10px;
    z-index: 2;
    border-radius: 50%;
    transition: background 0.2s;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}
.carousel-arrow.left {
    left: 10px;
}
.carousel-arrow.right {
    right: 10px;
}
#peiyuan-carousel-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    z-index: 1;
}

/* Certification Section Styles */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 24px;
}

.certification-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
    cursor: pointer;
}

.certification-card:hover {
    box-shadow: 0 6px 24px rgba(17,80,59,0.12);
    transform: translateY(-2px);
}

.certification-img {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 12px;
}

.certification-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.certification-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.certification-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #11503b;
    margin-bottom: 4px;
    font-family: 'Inter', 'Arial', sans-serif;
}

.certification-subtitle {
    font-size: 0.9rem;
    color: #666;
    font-family: 'Inter', 'Arial', sans-serif;
}

@media (max-width: 900px) {
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 0 16px;
    }
    
    .certification-card {
        padding: 20px;
    }
    
    .certification-img {
        width: 80px;
        height: 80px;
        margin-bottom: 12px;
    }
    
    .certification-title {
        font-size: 1rem;
    }
    
    .certification-subtitle {
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Additionals Section with Sky Background */
.additionals-section {
    background: #fff !important;
    position: relative;
    padding: 80px 0 40px 0;
    min-height: 100vh;
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

.additionals-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: 1;
}

.additionals-section > * {
    position: relative;
    z-index: 2;
}

.additionals-title {
    font-size: 3rem;
    font-weight: 800;
    color: #11503b;
    text-align: center;
    margin-bottom: 40px;
    font-family: 'Inter', 'Arial', sans-serif;
}

.additionals-grid {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 24px;
} 

/* Leadership & Volunteering Section */
.leadership-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    padding: 80px 0 120px 0;
    min-height: 100vh;
}

.leadership-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.leadership-section > * {
    position: relative;
    z-index: 2;
}

.leadership-title {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
    font-family: 'Inter', 'Arial', sans-serif;
}

.leadership-container {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 24px;
}

.leadership-history {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1350px;
    margin: 0 auto;
    position: relative;
}

.leadership-history .work-card {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}

.leadership-history .work-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

.leadership-card {
    width: 75%;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.leadership-card .work-role {
    color: #667eea;
}

.leadership-card .work-location {
    color: #555;
}

.leadership-card .work-date {
    color: #888;
}

.leadership-card .work-desc {
    color: #333;
}

@media (max-width: 900px) {
    .leadership-title {
        font-size: 2.5rem;
    }
    
    .leadership-card {
        width: 95%;
    }
    
    .leadership-container {
        padding: 0 16px;
    }
} 

.leadership-volunteering-section {
  background: url('sky.gif') center center / cover no-repeat fixed !important;
  padding: 60px 0 40px 0;
  margin: 0;
} 

.leadership-volunteering-section .work-title {
  text-align: center;
  width: 100%;
  margin-left: 0;
} 

.leadership-volunteering-section .work-card {
  height: 380px;
} 

.leadership-volunteering-section .studies-title {
  text-align: center;
  width: 100%;
  margin: 0 auto 32px auto;
}