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

:root {
    /* TikTok Brand Colors */
    --tiktok-cyan: #00F2EA;
    --tiktok-pink: #FE2C55;
    --tiktok-black: #000000;
    --tiktok-dark: #0a0a0a;
    --tiktok-blue: #25F4EE;

    --primary-color: #00F2EA;
    --secondary-color: #FE2C55;
    --dark-color: #000000;
    --dark-bg: #0a0a0a;
    --light-bg: #f0f2f5;
    --white: #ffffff;
    --text-primary: #ffffff;
    --text-secondary: #a8a8a8;
    --border-color: #2a2a2a;
    --success-color: #00F2EA;

    /* TikTok Style Gradients */
    --gradient-primary: linear-gradient(135deg, #00F2EA 0%, #FE2C55 100%);
    --gradient-secondary: linear-gradient(135deg, #FE2C55 0%, #FF6B9D 100%);
    --gradient-dark: linear-gradient(180deg, #000000 0%, #1a1a1a 100%);
    --gradient-tiktok: linear-gradient(135deg, #00F2EA 0%, #FE2C55 100%);
    --gradient-cyan: linear-gradient(135deg, #00F2EA 0%, #25F4EE 100%);
    --gradient-pink: linear-gradient(135deg, #FE2C55 0%, #FF6B9D 100%);
    --gradient-neon: linear-gradient(135deg, #00F2EA 0%, #FE2C55 50%, #FFF200 100%);

    /* TikTok Glow Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(0, 242, 234, 0.6);
    --shadow-pink-glow: 0 0 40px rgba(254, 44, 85, 0.6);
    --shadow-neon: 0 0 60px rgba(0, 242, 234, 0.8), 0 0 100px rgba(254, 44, 85, 0.6);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-bg);
}

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

/* Hero Section - TikTok Style */
.hero-section {
    background: linear-gradient(135deg, #1a237e 0%, #0d47a1 50%, #1a237e 100%);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 242, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(254, 44, 85, 0.15) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

/* TikTok Shop Badge */
.tiktok-shop-badge {
    position: absolute;
    top: 40px;
    right: 40px;
    z-index: 10;
    animation: float 3s ease-in-out infinite;
}

.tiktok-shop-badge .shop-icon {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 0 20px rgba(0, 242, 234, 0.8));
}

/* Brand Header */
.brand-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.brand-header .inline-logo {
    width: 50px;
    height: 50px;
    filter: drop-shadow(0 0 15px rgba(0, 242, 234, 0.6));
}

.brand-tag {
    background: var(--gradient-tiktok);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-neon);
}

/* Hero Image Wrapper */
.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-neon);
}

.main-hero-img {
    width: 100%;
    height: auto;
    display: block;
    animation: float 4s ease-in-out infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* TikTok Music Notes Animation */
.tiktok-notes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.note {
    position: absolute;
    font-size: 40px;
    opacity: 0.3;
    animation: float 4s ease-in-out infinite;
}

.note-1 {
    top: 20%;
    left: 10%;
    color: var(--tiktok-cyan);
    animation-delay: 0s;
}

.note-2 {
    top: 60%;
    left: 80%;
    color: var(--tiktok-pink);
    animation-delay: 1s;
}

.note-3 {
    top: 40%;
    right: 15%;
    color: var(--tiktok-cyan);
    animation-delay: 2s;
}

.note-4 {
    bottom: 30%;
    left: 70%;
    color: var(--tiktok-pink);
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.2;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.5;
    }
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
    background: var(--gradient-tiktok);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 80px rgba(0, 242, 234, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 36px;
    opacity: 0.9;
    line-height: 1.6;
    color: var(--text-secondary);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-neon);
    border: 2px solid transparent;
    background: linear-gradient(var(--tiktok-black), var(--tiktok-black)) padding-box,
                var(--gradient-tiktok) border-box;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.cta-button {
    padding: 18px 48px;
    font-size: 20px;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button.primary {
    background: var(--gradient-tiktok);
    color: var(--white);
    box-shadow: var(--shadow-neon);
    position: relative;
    overflow: hidden;
}

.cta-button.primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button.primary:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 80px rgba(0, 242, 234, 1), 0 0 120px rgba(254, 44, 85, 0.8);
}

/* Section Common Styles */
.section-title {
    font-size: 44px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    background: var(--gradient-tiktok);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-tiktok);
    border-radius: 2px;
}

section {
    padding: 80px 0;
}

/* Comparison Section - TikTok Theme */
.comparison-section {
    background: var(--tiktok-black);
    position: relative;
}

.comparison-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 242, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(254, 44, 85, 0.08) 0%, transparent 50%);
}

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

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-column {
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.comparison-column:hover {
    transform: translateY(-8px);
    border-color: var(--tiktok-cyan);
    box-shadow: 0 0 60px rgba(0, 242, 234, 0.4);
}

.comparison-column.modern:hover {
    border-color: var(--tiktok-cyan);
    box-shadow: 0 0 60px rgba(0, 242, 234, 0.6);
}

.comparison-column.traditional:hover {
    border-color: var(--tiktok-pink);
    box-shadow: 0 0 60px rgba(254, 44, 85, 0.4);
}

.column-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.column-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* TikTok Branded Image */
.column-image.tiktok-branded {
    background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
}

.tiktok-overlay {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 8px;
    border-radius: 12px;
    border: 2px solid var(--tiktok-cyan);
    box-shadow: 0 0 20px rgba(0, 242, 234, 0.6);
}

.overlay-logo {
    width: 40px;
    height: 40px;
    display: block;
}

.comparison-column:hover .column-image img {
    transform: scale(1.1);
}

.comparison-column h3 {
    font-size: 24px;
    margin: 30px 40px 20px;
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.comparison-column.traditional h3 {
    color: var(--tiktok-pink);
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-column.modern h3 {
    color: var(--tiktok-cyan);
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-column ul {
    list-style: none;
    padding: 0 40px 40px;
}

.comparison-column li {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.comparison-column .icon {
    font-size: 28px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.comparison-column strong {
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.comparison-column p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Process Section */
.process-section {
    background: var(--dark-bg);
    position: relative;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.step {
    text-align: center;
    padding: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(107, 115, 255, 0.5);
}

.step-icon {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.step-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.step:hover .step-icon img {
    transform: scale(1.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-purple);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: -30px auto 20px;
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 2;
}

.step h3 {
    font-size: 22px;
    margin: 0 30px 15px;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    padding: 0 30px 30px;
}

/* Profit Flow */
.profit-flow {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.profit-flow h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.flow-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.flow-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    min-width: 180px;
    border: 2px solid;
    transition: all 0.3s ease;
}

.flow-item:hover {
    transform: scale(1.05);
}

.flow-icon {
    font-size: 40px;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.5));
}

.flow-item.customer {
    background: rgba(33, 150, 243, 0.1);
    border-color: #2196f3;
    box-shadow: 0 0 20px rgba(33, 150, 243, 0.3);
}

.flow-item.cost {
    background: rgba(255, 152, 0, 0.1);
    border-color: #ff9800;
    box-shadow: 0 0 20px rgba(255, 152, 0, 0.3);
}

.flow-item.profit {
    background: rgba(76, 175, 80, 0.1);
    border-color: #4caf50;
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.flow-item .amount {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.flow-item.customer .amount {
    color: #4fc3f7;
}

.flow-item.cost .amount {
    color: #ffb74d;
}

.flow-item.profit .amount {
    color: #66bb6a;
}

.flow-item .label {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.flow-item .desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.flow-arrow {
    font-size: 32px;
    color: var(--secondary-color);
    font-weight: 700;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

/* FAQ Section */
.faq-section {
    background: var(--gradient-dark);
    position: relative;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 13, 255, 0.1) 0%, transparent 70%);
}

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

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(107, 115, 255, 0.5);
    box-shadow: var(--shadow-glow);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.08);
}

.faq-question h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.toggle-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--secondary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 16px;
}

/* Testimonial Section */
.testimonial-section {
    background: var(--dark-bg);
    position: relative;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(107, 115, 255, 0.5);
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid;
    border-image: var(--gradient-purple) 1;
    box-shadow: var(--shadow-glow);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quote-icon {
    font-size: 60px;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.8;
    line-height: 1;
    margin-bottom: 10px;
    text-align: center;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-align: center;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: center;
}

.testimonial-author strong {
    font-size: 16px;
    color: var(--text-primary);
}

.testimonial-author span {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--gradient-blue);
    border-radius: 12px;
    color: var(--white);
    box-shadow: var(--shadow-glow);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item:nth-child(2) {
    background: var(--gradient-green);
}

.stat-item:nth-child(3) {
    background: var(--gradient-orange);
}

.stat-item:nth-child(4) {
    background: var(--gradient-purple);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* Partners */
.partners {
    text-align: center;
}

.partners-title {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.partner-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
    border-color: rgba(107, 115, 255, 0.5);
}

/* Final CTA Section */
.final-cta-section {
    background: var(--gradient-secondary);
    color: var(--white);
}

.final-cta-section .section-title {
    color: var(--white);
}

.cta-subtitle {
    text-align: center;
    font-size: 18px;
    margin-bottom: 50px;
    opacity: 0.95;
}

.application-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 15px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.application-form .cta-button {
    width: 100%;
    margin-top: 10px;
}

.privacy-notice {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 20px;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-section .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .comparison-table {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 32px;
    }

    .application-form {
        padding: 30px;
    }

    .tiktok-shop-badge {
        top: 20px;
        right: 20px;
    }

    .tiktok-shop-badge .shop-icon {
        width: 60px;
        height: 60px;
    }

    .brand-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 26px;
    }

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

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .application-form {
        padding: 25px;
    }

    section {
        padding: 50px 0;
    }

    .tiktok-shop-badge {
        top: 10px;
        right: 10px;
    }

    .tiktok-shop-badge .shop-icon {
        width: 50px;
        height: 50px;
    }

    .brand-header .inline-logo {
        width: 40px;
        height: 40px;
    }

    .note {
        font-size: 30px;
    }
}