/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #000;
    padding: 20px 0;
    position: sticky;
    top: 20px;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    margin: 0 20px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    height: 40px;
    width: auto;
    display: block;
    object-fit: contain;
}
.logo-icon-footer {
    height: 34px;
    width: auto;
    display: block;
    object-fit: contain;
}
.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}
.logo-text-b{
    color: #000000;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #20b2aa;
}

/* Scroll margin for anchor links to prevent header overlap (PC) */
#top,
#service,
#contact,
#about {
    scroll-margin-top: 100px;
}

/* Hero Section */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: visible;
    background-image: url('img/bg-3.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 600px;
}

.hero-background {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 600px;
    margin: 0 auto;
    z-index: 1;
    background-image: url('img/Group 1000004677@2x.png');
    background-size: auto 90%;
    background-position: center center;
    background-repeat: no-repeat;
}

.hero-inner {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 600px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 40px 20px;
    pointer-events: none;
}

.hero-inner > * {
    pointer-events: auto;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 0px 40px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0);
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    color: #000;
    margin-bottom: 10px;
    position: relative;
    z-index: 3;
    text-shadow: 
        -2px -2px 0 #0EECE4,
        2px 2px 0 #ff0000,
        -1px -1px 0 #0EECE4,
        1px 1px 0 #ff0000;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tiktok-logo {
    height: 48px;
    width: auto;
    display: inline-block;
    vertical-align: middle;
}

.live-badge {
    display: inline-block;
    background: #DC3E6D;
    color: #fff;
    padding: 1px 4px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 100;
    text-shadow: none;
    letter-spacing: 0;
    margin: 0 18px 0 0;
    vertical-align: baseline;
}

.hero-subtitle {
    font-size: 44px;
    font-weight: 100;
    color: #333;
    margin-bottom: 0;
    position: relative;
    z-index: 3;
    text-align: center;
}

.cta-button {
    position: relative;
    z-index: 2;
    background-image: url('img/Group 1000004679@2x.png');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    border: none;
    padding: 15px 65px;
    font-size: 18px;
    font-weight: 100;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.3s;
    display: block;
    margin: 40px auto 40px;
    width: fit-content;
    overflow: visible;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(67, 233, 123, 0.3), rgba(45, 222, 166, 0.3), rgba(229, 23, 142, 0.3), rgba(112, 0, 164, 0.3), rgba(0, 70, 255, 0.3));
    filter: blur(10px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
    transform: translateY(2px) scale(1.05);
}

.cta-button:hover {
    transform: translateY(-2px);
}

.cta-button:hover::before {
    opacity: 1;
}

/* Support Section */
.support {
    padding: 100px 20px;
    background-image: url('img/Mask group-1@2x.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.support .container {
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 100;
    margin-bottom: 60px;
    color: #ffffff;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.support-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 15px;
    border: 1px solid #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s, box-shadow 0.3s;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.support-header {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.support-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.support-title {
    font-size: 20px;
    font-weight: 100;
    color: #fff;
    margin: 0;
    flex: 1;
    line-height: 1.4;
}

.support-list {
    list-style: none;
    padding: 0;
    margin: 0;
    color: #fff;
    font-size: 14px;
    line-height: 1.8;
}

.support-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
}

.support-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #fff;
}

.support-text {
    font-size: 14px;
    color: #fff;
    line-height: 1.8;
}

/* Contact Section */
.contact {
    padding: 100px 20px;
    /* background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); */
    background-image: url('img/bg-3.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.contact-title {
    font-weight: 100;
    font-size: 32px;
    line-height: 42px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    margin-bottom: 10px;
}

.contact-title:first-of-type {
    background: linear-gradient(to right, #E5178E 0%, #7000A4 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.contact-title:last-of-type {
    background: linear-gradient(to right, #2DDEA6 30%, #7000A4 40%, #E5178E 50%, #0046FF 60%);
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 60px;
}

.contact-subtitle {
    text-align: center;
    font-size: 24px;
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 60px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
    align-items: stretch;
    width: 100%;
    box-sizing: border-box;
}

.contact-left {
    background-image: url('img/join-us.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 40px;
    border-radius: 15px;
    max-width: 491px;
    height: 520px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
    position: relative;
}

.contact-right {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    height: 520px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
}

.qr-card {
    text-align: center;
}

.qr-title {
    font-size: 48px;
    font-weight: bold;
    color: #d4af37;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    letter-spacing: 3px;
}

.qr-code {
    margin: 30px 0;
    display: flex;
    justify-content: center;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: #f0f0f0;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    border-radius: 10px;
}

.qr-text {
    font-size: 15px;
    line-height: 1.6;
    text-align: center;
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 80px);
    max-width: 100%;
    box-sizing: border-box;
    background: linear-gradient(to right, #E5178E 0%, #7000A4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.form-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    padding: 0px 15px;
    border-bottom: 1px solid #e0e0e0;
}

.form-group:last-of-type {
    border-bottom: none;
}

.form-icon {
    width: 20px;
    height: 20px;
    display: block;
    flex-shrink: 0;
    margin-right: 12px;
    /* 后期替换为实际图标: background-image: url('img/icon.png'); */
    /* background-color: #ccc; */
    border-radius: 2px;
}

.form-icon.icon-1 {
    background-image: url('img/icon/1.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.form-icon.icon-2 {
    background-image: url('img/icon/2.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.form-icon.icon-3 {
    background-image: url('img/icon/3.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.form-icon.icon-4 {
    background-image: url('img/icon/4.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.form-icon.icon-5 {
    background-image: url('img/icon/5.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.form-group label {
    font-size: 13px;
    font-weight: 100;
    color: #333;
    width: 140px;
    flex-shrink: 0;
    padding-right: 12px;
    border-right: 1px solid #e0e0e0;
    height: 52px;
    display: flex;
    align-items: center;
}

.form-group label .required {
    color: #ff0000;
    margin-left: 2px;
}

.form-group input {
    flex: 1;
    padding: 0px 12px;
    border: none;
    border-radius: 0;
    font-size: 16px;
    background: transparent;
    color: #999;
    transition: color 0.3s;
    margin-left: 12px;
}

.form-group input:focus {
    outline: none;
    color: #333;
}

.submit-button {
    background-image: url('img/Group 1000004679@2x.png');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    border: none;
    padding: 15px 65px;
    font-size: 18px;
    font-weight: 100;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    margin: 40px auto 0;
    overflow: hidden;
    width: fit-content;
    display: block;
    flex-shrink: 0;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(67, 233, 123, 0.3);
}

.success-message {
    background: #4CAF50;
    color: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
    font-weight: 100;
    margin-top: 20px;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Section */
.about {
    padding: 100px 20px;
    background: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
}

.about-description {
    font-size: 16px;
    line-height: 2;
    color: #333;
}

.about-description h3 {
    font-weight: 100;
    margin-bottom: 20px;
}

.about-description h4 {
    font-weight: 100;
    margin-bottom: 15px;
}

.about-description p {
    font-weight: 100;
    margin-bottom: 20px;
}

.about-description ul {
    font-weight: 100;
    list-style: none;
    padding-left: 0;
    margin: 15px 0;
}

.about-description li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
}

.about-description li:before {
    content: "·";
    position: absolute;
    left: 0;
    color: #333;
    font-size: 32px;
    line-height: 1;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 15px;
    display: block;
    object-fit: cover;
}

/* Footer */
.footer {
    background: #f8f9fa;
    padding: 40px 20px;
    border-top: 1px solid #e0e0e0;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-info {
    text-align: left;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.footer-info p {
    margin: 0;
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    /* Header Mobile */
    .header {
        padding: 15px 0;
        margin: 0 15px;
        border-radius: 0 0 15px 15px;
        top: 0;
    }

    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .logo-icon {
        height: 35px;
        width: auto;
    }

    .logo-text {
        font-size: 18px;
    }

    .nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .nav-link {
        font-size: 14px;
    }

    /* Scroll margin for anchor links to prevent header overlap */
    #top,
    #service,
    #contact,
    #about {
        scroll-margin-top: 100px;
    }

    /* Hero Mobile */
    .hero-background {
        height: 500px;
    }

    .hero-inner {
        height: 500px;
        padding: 20px 15px;
    }

    .hero-content {
        padding: 0px 15px;
        margin: 0 10px 15px;
        background: rgba(255, 255, 255, 0);
        border-radius: 999px;
        border: 2px solid rgba(255, 255, 255, 0.5);
    }

    .hero-title {
        font-size: 20px;
        margin-bottom: 0px;
        text-shadow: 
            -1px -1px 0 #0EECE4,
            1px 1px 0 #ff0000,
            -0.5px -0.5px 0 #0EECE4,
            0.5px 0.5px 0 #ff0000;
        letter-spacing: 1px;
        gap: 6px;
    }

    .tiktok-logo {
        height: 24px;
    }

    .live-badge {
        font-size: 9px;
        padding: 1px 3px;
        margin: 0 6px 0 0;
    }

    .hero-subtitle {
        font-size: 20px;
        font-weight: bold;
        margin-bottom: 0;
    }

    .cta-button {
        position: relative;
        z-index: 2;
        padding: 12px 20px;
        font-size: 13px;
        width: 100%;
        max-width: 320px;
        margin: 20px auto;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Support Mobile */
    .support {
        padding: 60px 15px;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: 40px;
        line-height: 1.5;
    }

    .support-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .support-card {
        padding: 25px 20px;
    }

    .support-header {
        gap: 12px;
        margin-bottom: 15px;
    }

    .support-icon {
        width: 30px;
        height: 30px;
    }

    .support-title {
        font-size: 18px;
    }

    .support-list {
        font-size: 13px;
    }

    .support-text {
        font-size: 13px;
    }

    /* Contact Mobile */
    .contact {
        padding: 60px 0;
    }
    
    .contact .container {
        padding: 0 15px;
    }

    .contact-title {
        font-size: 20px;
        line-height: 32px;
    }

    .contact-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 0;
        max-width: 100% !important;
        width: 100% !important;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    .contact-left {
        padding: 25px 15px;
        max-width: 100% !important;
        width: 100% !important;
        height: 520px;
        border-radius: 15px 15px 0 0;
        margin: 0;
        box-sizing: border-box;
        position: relative;
    }

    .contact-right {
        padding: 80px 15px 25px 15px;
        width: 100% !important;
        height: 520px;
        border-radius: 0 0 15px 15px;
        margin: 0;
        box-sizing: border-box;
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }

    .contact-form {
        margin-top: 0;
    }

    .qr-title {
        font-size: 32px;
        margin-bottom: 20px;
    }

    .qr-placeholder {
        width: 150px;
        height: 150px;
    }

    .qr-text {
        font-size: 11px;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 30px);
        max-width: calc(100% - 30px);
        word-wrap: break-word;
        overflow-wrap: break-word;
        box-sizing: border-box;
    }

    .form-group {
        padding: 0;
        gap: 0;
        position: relative;
        padding-left: 10px;
    }

    .form-group > * {
        padding: 12px 10px;
    }

    .form-icon {
        width: 18px;
        height: 18px;
        padding-left: 0;
        padding-right: 0;
        margin-right: 10px;
    }

    .form-group label {
        font-size: 12px;
        width: 110px;
        min-width: 110px;
        height: 100%;
        padding: 12px 12px 12px 0;
        margin: 0;
        align-self: stretch;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .form-group input {
        font-size: 14px;
        padding: 12px 10px;
    }

    .submit-button {
        font-size: 16px;
        width: 100%;
    }

    /* About Mobile */
    .about {
        padding: 60px 15px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-logo {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 20px;
    }

    .about-description {
        font-size: 14px;
        line-height: 1.8;
    }

    .about-description p {
        margin-bottom: 15px;
    }

    .about-description ul {
        margin: 10px 0;
    }

    .about-description li {
        padding-left: 18px;
        margin-bottom: 8px;
    }

    .about-description li:before {
        font-size: 20px;
    }

    .about-img {
        max-width: 100%;
    }

    /* Footer Mobile */
    .footer .container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-info {
        text-align: center;
    }
}

/* Tablet Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 24px;
        text-shadow: 
            -1.5px -1.5px 0 #0EECE4,
            1.5px 1.5px 0 #ff0000,
            -0.75px -0.75px 0 #0EECE4,
            0.75px 0.75px 0 #ff0000;
        gap: 8px;
    }

    .tiktok-logo {
        height: 36px;
    }

    .live-badge {
        font-size: 12px;
        padding: 1px 4px;
        margin: 0 6px 0 0;
    }

    .hero-subtitle {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .contact-title {
        font-size: 28px;
        line-height: 36px;
    }

    .contact-content {
        gap: 30px;
    }
}