:root {
    --bg-dark: #0a0a0a;
    --bg-darker: #000000;
    --orange-primary: #ff6b35;
    --orange-secondary: #ff8c42;
    --white: #ffffff;
    --white-secondary: rgba(255, 255, 255, 0.8);
    --white-tertiary: rgba(255, 255, 255, 0.5);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --blur-20: blur(20px);
    --blur-30: blur(30px);
    --header-height: 120px;
    --content-padding: 40px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    cursor: default;
}

.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.star {
    position: absolute;
    border-radius: 50%;
    animation: twinkle 3s infinite ease-in-out;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.meteor {
    position: absolute;
    width: 180px;
    height: 3px;
    background: linear-gradient(90deg,
        rgba(255,255,255,1) 0%,
        rgba(255,255,255,0.9) 70%,
        rgba(255,255,255,0) 100%
    );
    transform: rotate(-45deg);
    transform-origin: left center;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.9));
    animation: meteor-fly linear forwards;
    opacity: 0;
    border-radius: 2px 0 0 2px;
}

@keyframes meteor-fly {
    0% {
        transform: translateX(100vw) translateY(-100px) rotate(-45deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(-200px) translateY(100vh) rotate(-45deg);
        opacity: 0;
    }
}

.star:nth-child(odd) {
    background: var(--orange-primary);
    box-shadow: 0 0 10px var(--orange-primary);
}

.star:nth-child(even) {
    background: var(--white);
    box-shadow: 0 0 10px var(--white);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    padding: 0 var(--content-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    backdrop-filter: var(--blur-20);
    -webkit-backdrop-filter: var(--blur-20);
    background: rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.5s ease;
}

.navbar.scrolled {
    height: 80px;
    background: rgba(0, 0, 0, 0.7);
}

.logo {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--white);
    background: linear-gradient(45deg, var(--white), var(--orange-primary), var(--orange-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(255, 107, 53, 0.5);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--orange-primary);
    background: rgba(255, 107, 53, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange-primary), var(--orange-secondary));
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--header-height) var(--content-padding) var(--content-padding);
    z-index: 5;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.akano-main-title {
    font-size: clamp(4rem, 15vw, 8rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--white), var(--orange-primary), var(--orange-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.1;
    text-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
    transition: all 0.5s ease;
}

.akano-studio-subtitle {
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 700;
    color: var(--white-secondary);
    margin-bottom: 3rem;
    transition: all 0.5s ease;
}

.hero-description {
    font-size: 1.5rem;
    color: var(--white-secondary);
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.content-section {
    padding: 100px var(--content-padding);
    position: relative;
    z-index: 5;
}

.section-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    color: var(--white);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s ease;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--orange-primary), var(--orange-secondary));
    border-radius: 2px;
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.glass-card {
    padding: 40px;
    border-radius: 25px;
    backdrop-filter: var(--blur-20);
    -webkit-backdrop-filter: var(--blur-20);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glass-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.glass-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.glass-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--white-secondary);
    margin-bottom: 20px;
}

.glass-card .jp-text {
    font-style: italic;
    color: var(--white-tertiary);
    margin-top: 15px;
}

.music-card {
    position: relative;
}

.music-card::after {
    content: '🎵';
    position: absolute;
    right: 40px;
    top: 40px;
    font-size: 2rem;
    opacity: 0.3;
}

.travel-card {
    position: relative;
}

.travel-card::after {
    content: '✈️';
    position: absolute;
    right: 40px;
    top: 40px;
    font-size: 2rem;
    opacity: 0.3;
}

.xt6-card {
    position: relative;
}

.xt6-card::after {
    content: '🚗';
    position: absolute;
    right: 40px;
    top: 40px;
    font-size: 2rem;
    opacity: 0.3;
}

.studio-card {
    position: relative;
}

.studio-card::after {
    content: '🏢';
    position: absolute;
    right: 40px;
    top: 40px;
    font-size: 2rem;
    opacity: 0.3;
}


/* ========== ʱ������������� ========== */
.time-weather-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 20px;
    border-radius: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3),
                0 2px 8px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    z-index: 9999;
    cursor: default;
    user-select: none;
    width: 280px;
    box-sizing: border-box;
    resize: none;
    overflow: hidden;
    transition: all 0.3s ease;
}

.time-weather-widget:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4),
                0 4px 12px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
    background: rgba(10, 10, 10, 0.7);
}



.time-display {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.date-display {
    font-size: 1rem;
    color: var(--white-secondary);
    margin-bottom: 10px;
}

.lunar-date {
    font-size: 0.9rem;
    color: var(--white-tertiary);
    margin-bottom: 15px;
}

.weather-display {
    display: flex;
    align-items: center;
    gap: 10px;
}

.weather-icon {
    font-size: 1.5rem;
}

.weather-info {
    font-size: 1rem;
}

.link {
    color: var(--orange-primary);
    text-decoration: none;
}

.highlight {
    color: var(--orange-primary);
}

@media (max-width: 768px) {
    :root {
        --header-height: 80px;
        --content-padding: 20px;
    }

    .navbar {
        padding: 0 20px;
    }

    .logo {
        font-size: 1.8rem;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }

    .hero {
        padding: var(--header-height) 20px 40px;
    }

    .hero-description {
        font-size: 1.2rem;
    }

    .content-section {
        padding: 60px 20px;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }

    .glass-card {
        padding: 30px;
    }

    .time-weather-widget {
        width: 250px;
        right: 20px;
        bottom: 20px;
    }

    .time-display {
        font-size: 1.5rem;
    }
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loading.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-text {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 500;
}



/* ========== �ƶ����Ż� (768px ����) ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
        text-align: center;
    }

    .nav-link::after {
        display: none;
    }

    .hamburger-menu {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        cursor: pointer;
        z-index: 1001;
    }

    .hamburger-menu span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--white);
        position: absolute;
        transition: all 0.3s ease;
        border-radius: 2px;
    }

    .hamburger-menu span:nth-child(1) {
        top: 0;
    }

    .hamburger-menu span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .hamburger-menu span:nth-child(3) {
        bottom: 0;
    }

    .hamburger-menu.active span:nth-child(1) {
        top: 50%;
        transform: translateY(-50%) rotate(45deg);
    }

    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger-menu.active span:nth-child(3) {
        bottom: 50%;
        transform: translateY(50%) rotate(-45deg);
    }

    .akano-main-title {
        margin-bottom: 0.5rem;
    }

    .akano-studio-subtitle {
        margin-bottom: 2rem;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 10px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .glass-card {
        padding: 25px;
    }

    .glass-card h3 {
        font-size: 1.5rem;
    }

    .glass-card p {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .time-weather-widget {
        width: 220px;
        right: 15px;
        bottom: 15px;
        padding: 15px;
    }

    .time-display {
        font-size: 1.4rem;
    }

    .date-display {
        font-size: 0.85rem;
    }

    .lunar-date {
        font-size: 0.8rem;
    }

    .weather-icon {
        font-size: 1.2rem;
    }

    .weather-info {
        font-size: 0.85rem;
    }
}

/* ========== С��Ļ�ƶ��� (480px ����) ========== */
@media (max-width: 480px) {
    :root {
        --header-height: 70px;
        --content-padding: 15px;
    }

    .navbar {
        padding: 0 15px;
        height: var(--header-height);
    }

    .logo {
        font-size: 1.4rem;
    }

    .hero {
        min-height: 90vh;
        padding: var(--header-height) 15px 30px;
    }

    .akano-main-title {
        font-size: clamp(3rem, 12vw, 5rem);
    }

    .akano-studio-subtitle {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .hero-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .content-section {
        padding: 50px 15px;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }

    .section-title::after {
        width: 60px;
        height: 2px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 25px;
    }

    .glass-card {
        padding: 20px;
        border-radius: 20px;
    }

    .glass-card h3 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }

    .glass-card p {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 15px;
    }

    .glass-card .jp-text {
        font-size: 0.8rem;
        margin-top: 10px;
    }

    .glass-card::after {
        font-size: 1.5rem !important;
        right: 20px !important;
        top: 20px !important;
    }

    .time-weather-widget {
        width: 180px;
        right: 10px;
        bottom: 10px;
        padding: 12px;
        border-radius: 15px;
    }

    .time-display {
        font-size: 1.2rem;
        margin-bottom: 3px;
    }

    .date-display {
        font-size: 0.75rem;
        margin-bottom: 8px;
    }

    .lunar-date {
        font-size: 0.7rem;
        margin-bottom: 10px;
    }

    .weather-display {
        gap: 8px;
    }

    .weather-icon {
        font-size: 1rem;
    }

    .weather-info {
        font-size: 0.75rem;
    }

    .loading-text {
        font-size: 1rem;
    }
}

/* ========== ��С��Ļ (360px ����) ========== */
@media (max-width: 360px) {
    .logo {
        font-size: 1.2rem;
    }

    .akano-main-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .akano-studio-subtitle {
        font-size: clamp(1.2rem, 5vw, 2rem);
    }

    .hero-description {
        font-size: 0.8rem;
    }

    .glass-card {
        padding: 15px;
    }

    .glass-card h3 {
        font-size: 1.1rem;
    }

    .glass-card p {
        font-size: 0.8rem;
    }

    .time-weather-widget {
        width: 160px;
        padding: 10px;
    }

    .time-display {
        font-size: 1rem;
    }

    .date-display {
        font-size: 0.7rem;
    }

    .lunar-date {
        display: none;
    }
}

/* ========== �����豸�Ż� ========== */
@media (hover: none) and (pointer: coarse) {
    .nav-link:hover {
        background: transparent;
        color: var(--white);
    }

    .nav-link:active {
        color: var(--orange-primary);
        background: rgba(255, 107, 53, 0.2);
    }

    .glass-card:active {
        transform: scale(0.98);
    }

    }

/* ========== ����ģʽ�Ż� ========== */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        min-height: 80vh;
        padding-top: calc(var(--header-height) + 20px);
    }

    .akano-main-title {
        font-size: clamp(3rem, 8vw, 5rem);
    }

    .akano-studio-subtitle {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
    }

    .content-section {
        padding: 40px 20px;
    }
}