.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 4.8rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(3.3rem, 5.8vw, 5rem);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 1.2rem;
    color: white;
    letter-spacing: 0.01em;
    text-shadow: 0 14px 34px rgba(3, 9, 24, 0.44);
}

.hero-aliases {
    display: inline-block;
    margin-bottom: 1.25rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(12, 22, 42, 0.45);
    color: rgba(255, 255, 255, 0.86);
    font-size: clamp(0.72rem, 1.6vw, 0.95rem);
    letter-spacing: 0.01em;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-text .gradient-text {
    background: linear-gradient(135deg, #59d4ff 0%, #8fd3ff 48%, #90f4c7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 22px rgba(89, 212, 255, 0.3));
}

.hero-text p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    max-width: 620px;
}

.hero-tags {
    margin-bottom: 2rem;
    max-width: 760px;
    padding: 1rem 1.15rem;
    border-radius: 14px;
    border: 1px solid rgba(202, 236, 255, 0.2);
    background: linear-gradient(145deg, rgba(15, 29, 53, 0.56), rgba(10, 20, 38, 0.42));
    backdrop-filter: blur(6px);
}

.hero-tags p {
    margin-bottom: 0;
    font-size: 0.965rem;
    line-height: 1.78;
    color: rgba(255, 255, 255, 0.82);
}

.hero-tags p + p {
    margin-top: 0.72rem;
    padding-top: 0.72rem;
    border-top: 1px solid rgba(202, 236, 255, 0.14);
}

.hero-tags .tag-intro {
    color: rgba(202, 236, 255, 0.98);
    letter-spacing: 0.02em;
    font-size: 1.02rem;
}

.hero-tags .tag-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3.4em;
    margin-right: 0.55rem;
    padding: 0.12rem 0.6rem;
    border-radius: 999px;
    border: 1px solid rgba(202, 236, 255, 0.56);
    background: rgba(202, 236, 255, 0.14);
    color: var(--unified-accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.hero-image {
    position: relative;
}

.profile-img {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 4px solid var(--primary);
    animation: float 6s ease-in-out infinite;
    margin: 0 auto;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.floating-elements {
    position: absolute;
    top: -24px;
    right: -24px;
    width: 110px;
    height: 110px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.2rem;
    animation: float 6s ease-in-out infinite 1s;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.floating-elements .star-link {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.floating-elements::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 999px;
    border: 1px solid rgba(202, 236, 255, 0.42);
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.floating-elements::after {
    display: none;
}

.star-tooltip {
    position: absolute;
    bottom: -56px;
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    background: rgba(10, 22, 42, 0.88);
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.88rem;
    line-height: 1.4;
    padding: 0.55rem 1.2rem;
    border-radius: 10px;
    white-space: nowrap;
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.26);
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    z-index: 100;
    opacity: 0;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.star-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: rgba(10, 22, 42, 0.88);
    border-top: 1px solid rgba(255, 255, 255, 0.26);
    border-left: 1px solid rgba(255, 255, 255, 0.26);
}

.floating-elements.is-tooltip-visible .star-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.floating-elements:hover {
    background: #1dc79a;
    box-shadow: 0 0 0 6px rgba(29, 199, 154, 0.22), 0 0 24px rgba(29, 199, 154, 0.18), 0 14px 32px rgba(0, 0, 0, 0.32);
    transform: translateY(-3px) scale(1.06);
}

.floating-elements:hover::before {
    opacity: 1;
    transform: scale(1.06);
}

.avatar-quote {
    position: static;
    max-width: 400px;
    margin: 1rem auto 0;
    padding: 0.8rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    background: rgba(10, 22, 42, 0.78);
    color: rgba(255, 255, 255, 0.94);
    font-size: 0.92rem;
    line-height: 1.45;
    backdrop-filter: blur(8px);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.3);
    z-index: 3;
    transition: opacity 0.28s ease, transform 0.28s ease;
}

.avatar-quote.is-hidden {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.avatar-quote::after {
    content: '';
    position: absolute;
    left: 50%;
    top: -9px;
    width: 16px;
    height: 16px;
    transform: translateX(-50%) rotate(45deg);
    background: rgba(10, 22, 42, 0.78);
    border-left: 1px solid rgba(255, 255, 255, 0.26);
    border-top: 1px solid rgba(255, 255, 255, 0.26);
}

@media (min-width: 1701px) {
    .avatar-quote {
        position: absolute;
        right: -132px;
        bottom: 86px;
        max-width: 260px;
        margin: 0;
        padding: 0.8rem 1.3rem;
        white-space: nowrap;
        animation: quoteFloat 5.2s ease-in-out infinite;
    }

    .avatar-quote::after {
        left: -8px;
        top: 58%;
        width: 16px;
        height: 16px;
        transform: rotate(45deg);
        background: rgba(10, 22, 42, 0.78);
        border-left: 1px solid rgba(255, 255, 255, 0.26);
        border-bottom: 1px solid rgba(255, 255, 255, 0.26);
        border-top: none;
        border-right: none;
    }
}

@keyframes quoteFloat {
    0%, 100% { transform: translateY(0) rotate(-0.2deg); }
    25% { transform: translateY(-3px) rotate(0.45deg); }
    50% { transform: translateY(-7px) rotate(0.1deg); }
    75% { transform: translateY(-2px) rotate(-0.35deg); }
}

section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.keynote-banner { display: none; }

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.45rem;
    position: relative;
    display: inline-block;
    color: #f3fbff;
    letter-spacing: 0.02em;
    text-shadow: 0 0 28px rgba(99, 102, 241, 0.22), 0 8px 26px rgba(0, 0, 0, 0.3);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 232px;
    height: 5px;
    background: linear-gradient(90deg, rgba(130, 185, 255, 0.25), rgba(99, 102, 241, 0.96) 38%, rgba(111, 221, 255, 0.9) 72%, rgba(130, 185, 255, 0.25));
    border-radius: 2px;
    box-shadow: 0 0 28px rgba(99, 102, 241, 0.38);
}

.section-subtitle {
    color: rgba(202, 236, 255, 0.96);
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    font-weight: 600;
    letter-spacing: 0.015em;
    max-width: 880px;
    margin: 1.3rem auto 0;
    line-height: 1.45;
}

.status-card {
    margin-top: 0;
}

.status-card-title {
    margin-bottom: 1rem;
    color: var(--unified-accent);
    letter-spacing: 0.01em;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-side {
    display: grid;
    gap: 1.5rem;
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: white;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.skill-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

a.skill-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.skill-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.skill-name {
    font-weight: 600;
    font-size: 1.125rem;
    color: rgba(218, 240, 255, 0.95);
}

.skill-description {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.projects-group {
    margin-top: 3rem;
}

.projects-group:first-of-type {
    margin-top: 2rem;
}

.projects-group-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.projects-group-title {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 0.4rem;
}

.projects-group-desc {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.6;
}

.projects-grid-compact {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
}

.project-card.project-card-text {
    min-height: 196px;
    display: flex;
    align-items: stretch;
}

.project-card.project-card-text .project-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-card.project-card-mini {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card.project-card-mini:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.project-card.project-card-mini .project-content {
    padding: 1.2rem 1.4rem;
}

.project-card.project-card-mini .project-title {
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.project-card.project-card-mini .project-description {
    margin-bottom: 0;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-card-static {
    cursor: default;
}

.project-card-static:hover {
    transform: none;
    border-color: rgba(255, 255, 255, 0.07);
    box-shadow: none;
}

.project-image {
    height: 200px;
    width: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.project-image.harmony {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(23, 63, 130, 0.3)), url('../resources/main_page/dashboard.png');
}

.project-image.bio {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(16, 185, 129, 0.28)), url('../resources/main_page/bio.png');
}

.project-image.spm {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(245, 158, 11, 0.28)), url('../resources/main_page/spm.png');
}

.project-image.ohos {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(0, 122, 255, 0.28)), url('../resources/main_page/openharmony.png');
}

.project-image.dr {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(239, 68, 68, 0.28)), url('../resources/main_page/dr.png');
}

.project-image.dx {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(168, 85, 247, 0.28)), url('../resources/main_page/dx.png');
}

.project-image.signal {
    background-image: linear-gradient(135deg, rgba(9, 18, 39, 0.55), rgba(59, 130, 246, 0.28)), url('../resources/main_page/signal.png');
}

.project-content {
    padding: 1.5rem;
    flex: 1;
    position: relative;
}

.external-link-icon {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.project-card:hover .external-link-icon {
    color: var(--primary);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-award-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin: 0.2rem 0 0.9rem;
}

.award-external-icon {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.7rem;
    transition: color 0.2s ease;
}

.project-card:hover .award-external-icon {
    color: var(--primary);
}

.tag {
    background: rgba(99, 102, 241, 0.15);
    color: rgba(165, 180, 252, 0.9);
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid rgba(99, 102, 241, 0.2);
    white-space: nowrap;
    flex-shrink: 0;
}

.tag-wip {
    background: rgba(251, 191, 36, 0.12) !important;
    color: #fbbf24 !important;
    border-color: rgba(251, 191, 36, 0.25) !important;
    animation: wip-pulse 2s ease-in-out infinite;
}

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

.tag.tag-award {
    display: inline-flex;
    align-items: center;
    color: #d8f2ff;
    border-color: rgba(145, 222, 255, 0.55);
    background: rgba(145, 222, 255, 0.14);
    text-decoration: none;
    font-weight: 650;
    white-space: nowrap;
}

.tag.tag-award.award-link {
    cursor: pointer;
}

.tag.tag-award:hover {
    background: rgba(145, 222, 255, 0.22);
    border-color: rgba(145, 222, 255, 0.8);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1rem;
    color: white;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-carousel {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow-lg);
}

.gallery-track {
    position: relative;
    width: 100%;
    min-height: 660px;
}

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

.gallery-slide.active {
    opacity: 1;
    z-index: 2;
}

.gallery-slide img {
    width: 100%;
    height: 100%;
    min-height: 660px;
    object-fit: cover;
    display: block;
}

.gallery-slide-link {
    display: block;
    width: 100%;
    height: 100%;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(10, 16, 28, 0.65);
    color: #fff;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.gallery-nav:hover {
    background: rgba(99, 102, 241, 0.9);
}

.gallery-nav.prev { left: 14px; }
.gallery-nav.next { right: 14px; }

.gallery-dots {
    position: absolute;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 8px;
}

.gallery-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: 0;
}

.gallery-dot.active {
    background: #fff;
}

.gallery-more {
    text-align: center;
    margin-top: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-left {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-social-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.contact-social-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-social-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-social-grid .social-card {
    padding: 0.9rem 1.2rem;
}

.contact-social-grid .social-icon {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
    border-radius: 8px;
}

.contact-social-grid .social-details h4 {
    font-size: 0.95rem;
}

.contact-social-grid .social-details p {
    font-size: 0.82rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.contact-details h4 {
    color: white;
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.contact-details p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.qq-link {
    color: #12B7F5;
    text-decoration: none;
    transition: color 0.2s ease;
}

.qq-link:hover {
    color: #4dc8f8;
    text-decoration: underline;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.form-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.form-subtitle {
    color: var(--unified-accent);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.form-hint {
    color: var(--unified-accent);
    font-size: 0.8rem;
    margin-top: 0.35rem;
    line-height: 1.45;
    opacity: 0.85;
}

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

.contact-submit {
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: white;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: white;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: rgba(255, 255, 255, 0.15);
}

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

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.social-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.social-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.social-card.bilibili .social-icon,
.social-card.bilibili-game .social-icon {
    background: linear-gradient(135deg, #fb7299 0%, #ff2d55 100%);
}

.social-card.github .social-icon {
    background: linear-gradient(135deg, #333 0%, #24292e 100%);
}

.social-card.xiaohongshu .social-icon {
    background: linear-gradient(135deg, #ff2442 0%, #ff2d55 100%);
}

.social-details h4 {
    color: white;
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.social-details p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.social-external-icon {
    margin-left: auto;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.social-card:hover .social-external-icon {
    color: var(--primary);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

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

.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #0b1325;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.7s;
}

.loading-screen.is-done {
    opacity: 0;
    transform: scale(1.04);
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.loading-brand {
    display: flex;
    align-items: baseline;
    min-height: 3.2rem;
}

.loading-logo {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    background: linear-gradient(135deg, #59d4ff 0%, #8fd3ff 40%, #90f4c7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'JetBrains Mono', monospace;
}

.loading-cursor {
    display: inline-block;
    width: 2px;
    height: 2rem;
    background: #59d4ff;
    margin-left: 2px;
    vertical-align: middle;
    animation: cursorBlink 1s step-end infinite;
}

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

.loading-ring-wrap {
    position: relative;
    width: 80px;
    height: 80px;
}

.loading-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.loading-ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 3;
}

.loading-ring-bar {
    fill: none;
    stroke: url(#loadingGradient);
    stroke: rgba(89, 212, 255, 0.8);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 226.19;
    stroke-dashoffset: 226.19;
    transition: stroke-dashoffset 0.3s ease-out;
}

.loading-percent {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.04em;
}

.loading-bar-wrap {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 1px;
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #59d4ff, #90f4c7);
    border-radius: 1px;
    transition: width 0.25s ease-out;
    box-shadow: 0 0 8px rgba(89, 212, 255, 0.4);
}

.loading-hint {
    margin-top: 0.45rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    color: rgba(202, 236, 255, 0.8);
    text-transform: uppercase;
}

@media (max-width: 480px) {
    .loading-content {
        gap: 1.5rem;
    }

    .loading-brand {
        min-height: 2.4rem;
    }

    .loading-logo {
        font-size: 1.7rem;
    }

    .loading-cursor {
        height: 1.5rem;
    }

    .loading-ring-wrap {
        width: 64px;
        height: 64px;
    }

    .loading-percent {
        font-size: 0.95rem;
    }

    .loading-bar-wrap {
        width: 160px;
    }

    .loading-hint {
        font-size: 0.74rem;
    }
}

@media (max-width: 900px) {
    .hero {
        min-height: auto;
        padding: 6rem 0 2rem;
        overflow-x: hidden;
    }

    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-text {
        min-width: 0;
        order: 2;
    }

    .hero-image {
        width: min(100%, 280px);
        margin: 0 auto;
        order: 1;
    }

    .hero-text h1 {
        font-size: 1.75rem;
        margin-bottom: 0.6rem;
    }

    .hero-text p {
        font-size: 0.92rem;
        margin-bottom: 1rem;
    }

    .hero-aliases {
        font-size: clamp(0.6rem, 2.5vw, 0.78rem);
        padding: 0.3rem 0.6rem;
        margin-bottom: 0.8rem;
    }

    .hero-tags {
        padding: 0.75rem 0.85rem;
        margin-bottom: 1.2rem;
    }

    .hero-tags p {
        font-size: 0.82rem;
        line-height: 1.55;
    }

    .hero-tags p + p {
        margin-top: 0.5rem;
        padding-top: 0.5rem;
    }

    .hero-tags .tag-label {
        font-size: 0.72rem;
        min-width: 2.8em;
        margin-right: 0.4rem;
        padding: 0.08rem 0.45rem;
    }

    .btn-group {
        flex-wrap: wrap;
    }

    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }

    .profile-img {
        max-width: 220px;
        margin: 0 auto;
    }

    .avatar-quote {
        font-size: 0.82rem;
        padding: 0.6rem 0.8rem;
    }

    .floating-elements {
        width: 50px;
        height: 50px;
        top: 6px;
        right: 4px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
    }

    .section-title::after {
        width: 120px;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    section {
        padding: 4rem 0;
    }

    .gallery-track,
    .gallery-slide img {
        min-height: 420px;
    }

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

    .about-text {
        padding: 1rem;
        border: 1px solid rgba(202, 236, 255, 0.34);
        border-radius: 14px;
        background: rgba(10, 20, 38, 0.56);
        backdrop-filter: blur(5px);
    }

    .about-text h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }

    .about-text p {
        font-size: 0.85rem;
        margin-bottom: 0.8rem;
    }

    .glass-card,
    .project-card,
    .social-card,
    .contact-form,
    .skill-item {
        border-color: rgba(202, 236, 255, 0.32);
        background: rgba(13, 26, 47, 0.56);
    }

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

    .project-image {
        height: auto;
        aspect-ratio: 16 / 9;
        max-height: 180px;
    }

    .project-title {
        font-size: 1.05rem;
    }

    .project-description {
        font-size: 0.82rem;
    }

    .project-content {
        padding: 1.2rem;
    }

    .other-projects-title {
        font-size: 1rem;
    }

    .skill-name {
        font-size: 0.95rem;
    }

    .skill-description {
        font-size: 0.82rem;
    }

    .skill-item {
        padding: 1.1rem;
    }

    .status-card-title {
        font-size: 1.05rem;
    }

    .contact-details h4 {
        font-size: 0.95rem;
    }

    .contact-details p {
        font-size: 0.82rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 5.5rem 0 1.5rem;
    }

    .hero-text h1 {
        font-size: 1.75rem;
    }

    .hero-tags p {
        font-size: 0.82rem;
        line-height: 1.55;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-title::after {
        width: 120px;
        height: 4px;
    }

    .section-subtitle {
        font-size: 0.88rem;
    }

    .profile-img {
        max-width: 180px;
    }

    .avatar-quote {
        max-width: none;
        margin: 0.6rem auto 0;
        font-size: 0.78rem;
    }

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.65rem 1rem;
        font-size: 0.85rem;
    }

    .gallery-track,
    .gallery-slide img {
        min-height: 320px;
    }
}