/* ========= 原有首页样式 (完全保留) ========= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #05070a;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    color: #eceef2;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

.cyber-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: radial-gradient(circle at 20% 30%, #0a0f1a, #010101);
    will-change: transform;
}
.cyber-bg::before {
    content: "";
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: drift 60s linear infinite;
    pointer-events: none;
}
@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.glow-orb {
    position: fixed;
    width: 70vw;
    height: 70vw;
    background: radial-gradient(circle, rgba(0, 230, 255, 0.15), transparent 70%);
    top: -20vh;
    right: -20vw;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}
.glow-orb2 {
    left: -30vw;
    bottom: -30vh;
    background: radial-gradient(circle, rgba(255, 80, 200, 0.12), transparent 70%);
    width: 80vw;
    height: 80vw;
    filter: blur(100px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
    z-index: 2;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0 20px;
    flex-wrap: wrap;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    position: relative;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
}
.logo-img {
    width: 52px;
    height: 52px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 0 8px rgba(0, 204, 255, 0.4);
}
.logo-img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 18px rgba(0, 204, 255, 0.7);
}

.brand-text-link {
    text-decoration: none;
    cursor: pointer;
}
.brand-text {
    font-family: 'Microsoft YaHei', '黑体', 'PingFang SC', sans-serif;
    font-size: 1.9rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, #ffffff 0%, #0cf 50%, #f0f 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px rgba(0, 204, 255, 0.3);
    line-height: 1.2;
    transition: opacity 0.2s ease;
}
.brand-text-link:hover .brand-text {
    opacity: 0.9;
    text-shadow: 0 0 15px rgba(0, 204, 255, 0.6);
}

.nav-links {
    display: flex;
    gap: 12px;
    font-weight: 700;
    align-items: center;
    margin-left: 3cm;
}
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-btn {
    background: transparent;
    border: none;
    color: #ccd6f0;
    font-size: 1.15rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 40px;
    text-decoration: none;
}
.dropdown-btn i {
    font-size: 1rem;
    transition: transform 0.15s;
}
.dropdown-btn:hover {
    background-color: #8B3A3A;
    color: #ffffff;
}

/* ========= 修改：下拉菜单 - 去掉CSS过渡，改用JS即时控制 ========= */
.dropdown-content {
    position: absolute;
    top: 52px;
    left: -30%;
    background: rgba(8, 16, 26, 0.98);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid rgba(0, 204, 255, 0.3);
    box-shadow: 0 12px 28px rgba(0,0,0,0.5);
    min-width: 420px;
    display: none;  /* 默认隐藏，由JS控制 */
    z-index: 200;
    padding: 8px 0;
}
/* ✅ JS控制的显示类 */
.dropdown-content.show {
    display: block;
}

.dropdown-content .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    color: #ccd6f0;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.1s ease;
    border-radius: 8px;
    margin: 2px 8px;
    position: relative;
    cursor: pointer;
}
.dropdown-content .menu-item:hover {
    background-color: #90EE90;
    color: #1a2a3a;
    padding-left: 30px;
}
.dropdown-content .menu-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.menu-item-text {
    flex: 1;
    line-height: 1.4;
}
.menu-item-price {
    font-weight: 700;
    color: #0cf;
    white-space: nowrap;
    margin-left: auto;
    font-size: 0.9rem;
}
.dropdown-content .menu-item:hover .menu-item-price {
    color: #1a2a3a;
}

.menu-item-text .sub-detail {
    display: block;
    font-size: 0.75rem;
    color: #a0b8d4;
    margin-top: 2px;
    line-height: 1.3;
}
.dropdown-content .menu-item:hover .menu-item-text .sub-detail {
    color: #2c3e50;
}

.product-popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
}
.product-popup-overlay.active {
    display: block;
}
.product-popup-box {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(12, 22, 35, 0.98);
    backdrop-filter: blur(20px);
    border: 2px solid #0cf;
    border-radius: 20px;
    padding: 20px;
    min-width: 340px;
    max-width: 420px;
    z-index: 1000;
    box-shadow: 0 20px 40px rgba(0,0,0,0.8), 0 0 30px rgba(0, 204, 255, 0.3);
    text-align: center;
    color: #fff;
    pointer-events: auto;
    animation: fadeInPopup 0.1s ease;
}
.product-popup-box.active {
    display: block;
}
@keyframes fadeInPopup {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.98); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
.product-popup-box .popup-product-img {
    width: 220px;
    height: 160px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: transform 0.15s ease;
}
.product-popup-box .popup-product-img:hover {
    transform: scale(1.05);
    border-color: #0cf;
}
.product-popup-box .popup-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}
.product-popup-box .popup-desc {
    font-size: 0.9rem;
    color: #a0b8d4;
    margin-bottom: 8px;
    line-height: 1.4;
}
.product-popup-box .popup-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: #0cf;
    margin-bottom: 12px;
}
.product-popup-box .popup-qr {
    width: 130px;
    height: 130px;
    object-fit: contain;
    border-radius: 8px;
    margin: 8px auto;
    display: block;
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    transition: transform 0.15s ease;
}
.product-popup-box .popup-qr:hover {
    transform: scale(1.05);
    border-color: #0cf;
}
.product-popup-box .popup-qr-label {
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 4px;
}

.image-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.image-lightbox.active {
    display: flex;
}
.image-lightbox img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 0 40px rgba(0, 204, 255, 0.3);
    animation: zoomIn 0.2s ease;
}
@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.15s;
}
.lightbox-close:hover {
    color: #0cf;
}

.nav-link-simple {
    text-decoration: none;
    color: #ccd6f0;
    transition: all 0.15s ease;
    font-size: 1.15rem;
    font-weight: 700;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 40px;
}
.nav-link-simple i { font-size: 1rem; }
.nav-link-simple:hover {
    background-color: #8B3A3A;
    color: #ffffff;
}
.cta-small {
    background: rgba(0, 204, 255, 0.1);
    padding: 8px 20px;
    border-radius: 40px;
    border: 1px solid rgba(0, 204, 255, 0.5);
    transition: 0.15s;
}
.cta-small:hover {
    background: #0cf;
    color: #000 !important;
    border-color: #0cf;
    box-shadow: 0 0 14px #0cf;
}

.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px 0 20px;
    text-align: center;
}
.badge {
    display: inline-block;
    background: rgba(0, 204, 255, 0.12);
    backdrop-filter: blur(4px);
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 0.5px solid rgba(0, 255, 255, 0.4);
    width: fit-content;
    margin: 0 auto 20px auto;
}
.hero h1 {
    font-size: clamp(2.8rem, 8vw, 5.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(145deg, #FFFFFF 0%, #a0f0ff 45%, #e6aaff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 20px;
    text-align: center;
}
.super-slogan {
    color: #3a86ff;
    font-size: 90px;
    text-align: center;
    font-family: '黑体', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.01em;
    text-shadow: 0 0 15px rgba(58,134,255,0.3);
    word-break: keep-all;
}

.hero-description {
    margin: 20px auto 30px auto;
    max-width: 800px;
}
.desc-line {
    font-size: 1.8rem;
    font-weight: 600;
    background: linear-gradient(135deg, #eef2ff, #b9e2ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 12px;
}
.desc-line-small {
    font-size: 1.2rem;
    color: #a0b8d4;
    letter-spacing: 0.3px;
}
.everyone-creator {
    color: #363638;
    font-size: 40px;
    text-align: center;
    font-family: '黑体', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f5e6b0, #ffd966);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.btn-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 24px 0 20px;
}
.btn-primary {
    background: linear-gradient(105deg, #0cf, #c45eff);
    border: none;
    padding: 14px 36px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1rem;
    color: #0a0a0f;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 20px rgba(0, 204, 255, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}
.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 28px rgba(0, 204, 255, 0.6);
}
.btn-outline {
    background: transparent;
    border: 1.5px solid rgba(0, 204, 255, 0.7);
    padding: 14px 32px;
    border-radius: 60px;
    font-weight: 600;
    backdrop-filter: blur(5px);
    transition: 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.btn-outline:hover {
    background: rgba(0, 204, 255, 0.1);
    border-color: #0cf;
    box-shadow: 0 0 12px rgba(0, 204, 255, 0.4);
}
.section-title {
    font-size: 2.6rem;
    font-weight: 700;
    margin: 80px 0 40px;
    letter-spacing: -0.01em;
    background: linear-gradient(120deg, #fff, #7bc5ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-align: center;
}
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 70px;
}
.scenario-card {
    background: rgba(12, 20, 30, 0.5);
    backdrop-filter: blur(12px);
    border-radius: 36px;
    padding: 32px 28px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.2s ease;
}
.scenario-card:hover {
    border-color: #0cf;
    transform: translateY(-8px);
    box-shadow: 0 25px 35px -12px rgba(0, 204, 255, 0.2);
    background: rgba(20, 32, 48, 0.7);
}
.scenario-icon {
    font-size: 2.5rem;
    color: #0cf;
    margin-bottom: 20px;
}
.scenario-card h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.scenario-card p, .scenario-card li {
    color: #b8c7e7;
    line-height: 1.5;
}
.scenario-card ul {
    margin-left: 20px;
    margin-top: 12px;
}
.scenario-card li {
    margin-bottom: 8px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin: 40px 0 60px;
}
.feature-card {
    background: rgba(8, 16, 26, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 28px;
    padding: 28px 24px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.2s ease;
}
.feature-card:hover {
    border-color: #0cf;
    transform: translateY(-5px);
    background: rgba(16, 28, 40, 0.75);
}
.feature-icon {
    font-size: 2.2rem;
    color: #0cf;
    margin-bottom: 20px;
}
.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.feature-card p {
    color: #b0c4e7;
    line-height: 1.45;
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 30px 0 40px;
}
.community-card {
    background: linear-gradient(145deg, rgba(12, 22, 35, 0.7), rgba(5, 10, 18, 0.8));
    border-radius: 32px;
    padding: 30px 24px;
    border: 1px solid rgba(0, 204, 255, 0.3);
    text-align: center;
    transition: all 0.2s;
}
.community-card:hover {
    transform: scale(1.02);
    border-color: #f0f;
    box-shadow: 0 0 20px rgba(0, 204, 255, 0.2);
}
.community-card i {
    font-size: 2.8rem;
    color: #0cf;
    margin-bottom: 20px;
}
.community-card h4 {
    font-size: 1.7rem;
    margin-bottom: 12px;
}
.pill {
    background: rgba(0,204,255,0.2);
    border-radius: 60px;
    padding: 6px 18px;
    font-size: 0.8rem;
    display: inline-block;
    margin-top: 16px;
}

.core-badge {
    background: rgba(0,0,0,0.6);
    border-radius: 48px;
    padding: 40px;
    margin: 40px 0;
    border: 1px solid rgba(0, 255, 255, 0.3);
}
.tip-box {
    flex: 1;
    background: #0b101a;
    border-radius: 32px;
    padding: 24px;
}
.company-slogan {
    text-align: center;
    margin: 60px 0 40px;
    padding: 30px 20px;
    background: radial-gradient(ellipse at center, rgba(0,204,255,0.08) 0%, rgba(0,0,0,0) 80%);
    border-radius: 80px;
    backdrop-filter: blur(4px);
    border-top: 1px solid rgba(0,255,255,0.25);
    border-bottom: 1px solid rgba(0,255,255,0.25);
}
.slogan-text {
    font-family: 'Microsoft YaHei', '黑体', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #fff, #ffe6b0, #ffbc6e);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
footer {
    padding: 48px 0 40px;
    border-top: 1px solid rgba(0, 255, 255, 0.15);
    text-align: center;
}
.legal-notes {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    font-size: 0.8rem;
}
.legal-notes a {
    color: #7a93b0;
    text-decoration: none;
}
.legal-notes a:hover {
    color: #0cf;
}

.slideshow-section {
    width: 100%;
    margin: 2rem 0 1.5rem;
    position: relative;
    overflow: hidden;
    border-radius: 2.2rem;
    background: #000;
    box-shadow: 0 20px 40px -15px rgba(0,0,0,0.6);
}
.slideshow-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #0a0c12;
    overflow: hidden;
}
.slides-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
}
.slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    position: relative;
    background: #11161f;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.slide img, .slide video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.slide video {
    pointer-events: auto;
    background: #000;
}
.slide-caption {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(12px);
    border-radius: 2rem;
    padding: 0.8rem 1.5rem;
    color: white;
    font-weight: 500;
    pointer-events: none;
    z-index: 2;
    font-size: 0.9rem;
    border: 0.5px solid rgba(255,255,255,0.2);
    max-width: 70%;
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(20,20,30,0.65);
    backdrop-filter: blur(8px);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 60px;
    cursor: pointer;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 300;
    transition: 0.15s;
    border: 0.5px solid rgba(255,255,255,0.3);
}
.slider-btn:hover {
    background: #f97316cc;
    transform: translateY(-50%) scale(1.05);
}
.btn-prev { left: 1.2rem; }
.btn-next { right: 1.2rem; }
.dots-container {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 20;
}
.dot {
    width: 8px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 10px;
    transition: all 0.15s;
    cursor: pointer;
}
.dot.active {
    width: 28px;
    background: #f97316;
    box-shadow: 0 0 6px #ff8c42;
}

/* ========= 响应式 ========= */
@media (max-width: 880px) {
    .nav-links { gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 12px; margin-left: 0; }
    nav { flex-direction: column; gap: 16px; }
    .dropdown-content { left: -10px; min-width: 320px; }
    .dropdown-btn, .nav-link-simple { padding: 6px 12px; font-size: 1rem; }
    .product-popup-box { min-width: 280px; max-width: 350px; }
    .image-lightbox img { max-width: 95%; max-height: 85%; }
}
@media (max-width: 780px) {
    .logo-img { width: 42px; height: 42px; }
    .brand-text { font-size: 1.4rem; }
    .super-slogan { font-size: 48px; }
    .everyone-creator { font-size: 28px; }
    .desc-line { font-size: 1.4rem; }
    .container { padding: 0 24px; }
    .slogan-text { font-size: 2.2rem; }
    .section-title { font-size: 2rem; }
}
@media (max-width: 700px) {
    .slide-caption { font-size: 0.7rem; padding: 0.5rem 1rem; bottom: 1rem; left: 1rem; right: 1rem; max-width: 85%; }
}
@media (max-width: 640px) {
    .nav-links { gap: 6px; margin-left: 0; }
    .dropdown-btn, .nav-link-simple { font-size: 0.95rem; padding: 5px 10px; }
    .dropdown-content { min-width: 280px; }
    .dropdown-content .menu-item { font-size: 0.85rem; padding: 10px 16px; }
    .product-popup-box { min-width: 260px; max-width: 300px; }
    .image-lightbox img { max-width: 95%; max-height: 80%; }
}
@media (max-width: 580px) {
    .logo-img { width: 36px; height: 36px; }
    .brand-text { font-size: 1.2rem; }
    .super-slogan { font-size: 36px; }
}
@media (max-width: 800px) {
    .slider-btn { width: 36px; height: 36px; font-size: 1.4rem; }
}