@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@200&family=Koulen&display=swap');
@import url('https://cn-font.claude-code-best.win/packages/zzqxmxht/dist/字制区喜脉喜欢体/result.css');

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

html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 30px;
    z-index: 15;
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.3s forwards;
}

.header .menu-btn {
    display: none;
}

.fullscreen-menu {
    display: none;
}

.header .logo {
    position: absolute;
    left: 30px;
    font-family: 'Koulen';
    font-size: 22px;
    color: #fff;
}

.header .language-switcher {
    position: absolute;
    right: 30px;
    font-size: 14px;
}

.header .language-switcher a {
    color: #fff;
    text-decoration: none;
}

.header .menu {
    display: flex;
    gap: 50px;
    font-size: 14px;
    color: #fff;
}

.header .menu a {
    text-decoration: none;
    color: inherit;
    position: relative;
}

.header .menu a.active {
    font-weight: bold;
}

.header .menu a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background-color: #fff;
}

.section-first {
    width: 100%;
    height: 100vh;
    background-image: url('../images/bg-home-first.jpg');
    background-size: cover;
    background-position: center;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
}

.section-first::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
}

.section-first .center-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.section-first .center-content .title {
    font-family: 'FontQu Smile 常规';
    font-size: 48px;
    font-weight: normal;
    margin-bottom: 20px;
}

.section-first .center-content .subtitle {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    font-weight: 200;
}

.section-first .scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    color: #fff;
    animation: fadeInHint 1s ease-out 1s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInHint {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 0.6;
        transform: translateX(-50%) translateY(0);
    }
}

.section-first .scroll-hint i {
    font-size: 24px;
    margin-bottom: 8px;
}

.section-first .scroll-hint span {
    font-size: 12px;
}

.section-second {
    width: 100%;
    height: 100vh;
    background-color: #fff;
    margin-top: 100vh;
    position: relative;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
}

.section-second .section-content {
    text-align: center;
    padding: 0 30px;
}

.section-second .section-content p {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    font-weight: 200;
    color: #444;
    line-height: 2;
    max-width: 600px;
    margin: 0 auto 16px;
}

.more-link {
    font-size: 14px;
    color: #aaa;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color 0.3s;
}

.more-link:hover {
    color: #666;
}

.section-title {
    font-family: 'FontQu Smile 常规';
    font-size: 48px;
    font-weight: normal;
    color: #333;
    text-align: center;
}

.section-third {
    width: 100%;
    height: 100vh;
    background-color: #fff;
    position: relative;
    z-index: 30;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
}

.section-third .section-container {
    width: 100%;
    max-width: 1200px;
}

.section-third .content-split {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

.section-third .left-text {
    flex: 1;
}

.section-third .left-text p {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    font-weight: 200;
    color: #555;
    line-height: 2;
    text-align: left;
}

.section-third .left-text p.gap {
    margin-top: 32px;
}

.section-third .right-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.section-third .product-card {
    display: flex;
    align-items: center;
    gap: 20px;
}

.section-third .card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    flex-shrink: 0;
}

.section-third .card-info {
    flex: 1;
}

.section-third .card-info h3 {
    font-size: 18px;
    font-weight: 500;
    color: #333;
    margin-bottom: 6px;
}

.section-third .card-info p {
    font-size: 14px;
    font-weight: 400;
    color: #777;
    line-height: 1.6;
}

.section-third .card-link {
    font-size: 14px;
    color: #aaa;
    text-decoration: underline;
    text-underline-offset: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: color 0.3s;
}

.section-third .card-link:hover {
    color: #666;
}

.section-fourth {
    width: 100%;
    height: 100vh;
    background-color: #fff;
    position: relative;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
}

.section-fourth .section-content {
    text-align: center;
    padding: 0 30px;
}

.section-fourth .section-content p {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    font-weight: 200;
    color: #444;
    line-height: 2;
    max-width: 600px;
    margin: 0 auto;
}

.section-fourth .section-content p.gap {
    margin-top: 32px;
}

.section-fourth .design-links {
    display: flex;
    gap: 60px;
}

.section-fourth .design-link {
    position: relative;
    font-size: 14px;
    color: #555;
    text-decoration: none;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: color 0.3s;
}

.section-fourth .design-link i {
    font-size: 32px;
}

.section-fourth .design-link:hover {
    color: #333;
}

.section-fourth .design-link .tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.section-fourth .design-link .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #333;
}

.section-fourth .design-link:hover .tooltip,
.section-fourth .design-link .tooltip.show {
    opacity: 1;
}

.more-link-sub {
    font-size: 14px;
    color: #aaa;
}

.more-link-sub span {
    font-size: 12px;
    color: #bbb;
}

.section-fifth {
    width: 100%;
    height: 100vh;
    background-color: #f8f8f8;
    position: relative;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.back-to-top {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    transition: opacity 0.3s;
}

.back-to-top:hover {
    opacity: 0.6;
}

.back-to-top i {
    font-size: 64px;
    color: #bbb;
    margin-bottom: 8px;
}

.back-to-top span {
    font-size: 14px;
    color: #bbb;
}

.footer-box {
    width: 100%;
    max-width: 1200px;
    height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
    text-align: center;
    margin-bottom: 50px;
}

.footer-logo {
    font-family: 'FontQu Smile 常规';
    font-size: 48px;
    color: #333;
}

.footer-menu {
    display: flex;
    gap: 50px;
}

.footer-menu a {
    font-size: 14px;
    color: #555;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-menu a:hover {
    color: #333;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    font-size: 13px;
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #555;
}

.footer-social {
    display: flex;
    gap: 32px;
}

.social-icon {
    font-size: 24px;
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
}

.social-icon:hover {
    color: #333;
}

.footer-beian a {
    font-size: 12px;
    color: #aaa;
    text-decoration: none;
}

.footer-beian a:hover {
    color: #666;
}

.footer-credit {
    font-size: 13px;
    color: #999;
}

.footer-copyright {
    font-size: 12px;
    color: #bbb;
}

.wechat-modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.wechat-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.wechat-modal-content {
    background: #fff;
    padding: 40px 50px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.wechat-modal-content p {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.wechat-modal-content .wechat-note {
    font-size: 14px;
    color: #999;
    margin-bottom: 24px;
}

.wechat-close {
    padding: 8px 24px;
    font-size: 14px;
    color: #fff;
    background: #333;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.wechat-close:hover {
    background: #555;
}

/* 联系弹窗 */
.contact-modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.contact-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.contact-modal-content {
    background: #fff;
    padding: 40px 50px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.contact-modal-content p {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.contact-close {
    margin-top: 16px;
    padding: 8px 24px;
    font-size: 14px;
    color: #fff;
    background: #333;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.contact-close:hover {
    background: #555;
}

::-webkit-scrollbar {
    width: 0px;
}
::-webkit-scrollbar-thumb {
    width: 0px;
    background: #888;
}
::-webkit-scrollbar-track {
    width: 0px;
    background: #f1f1f1;
}