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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
}

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

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

/* Hero Section */
.hero-section {
    background: var(--gradient);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    pointer-events: none;
}

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

.hero-text {
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-download {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
}

.download-note {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: 5px;
}

.hero-image {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

.qr-code-hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-code-hero img {
    width: 300px;
    height: 300px;
    border-radius: 16px;
    background: var(--white);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.qr-code-hero img:hover {
    transform: scale(1.05);
}

.qr-code-hero p {
    margin-top: 15px;
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 500;
}

.qr-note {
    margin-top: 8px;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Social Proof Section */
.social-proof-section {
    padding: 100px 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.testimonial-content {
    margin-bottom: 25px;
}

.stars {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.star-full {
    color: #fbbf24;
}

.star-half {
    color: #fbbf24;
    opacity: 0.6;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    object-fit: cover;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.author-info p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* About Section */
.about-section {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.about-text {
    z-index: 1;
}

.about-intro {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-weight: 500;
    line-height: 1.8;
}

.about-details {
    margin-bottom: 40px;
}

.about-details p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

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

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

/* Header Section */
.header-section {
    background: var(--gradient);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.header-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

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

.logo {
    text-align: center;
    margin-bottom: 60px;
}

.logo h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.tagline {
    font-size: 1.3rem;
    opacity: 0.95;
    font-weight: 300;
}

.download-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;
    flex-wrap: wrap;
}

.qr-code-placeholder {
    text-align: center;
}

.qr-code-placeholder img {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    background: var(--white);
    padding: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.qr-code-placeholder img:hover {
    transform: scale(1.05);
}

.qr-label {
    margin-top: 15px;
    font-size: 1.1rem;
    font-weight: 500;
}

.download-buttons {
    text-align: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.95);
}

.download-btn svg {
    width: 24px;
    height: 24px;
}

.download-note {
    margin-top: 15px;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-image {
    width: 100%;
    height: 200px;
    margin-bottom: 25px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Footer Section */
.footer-section {
    background: var(--text-dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
    font-weight: 600;
}

/* Company Info Column */
.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Quick Links and Services Columns */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

/* Contact Info Column */
.contact-info h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.contact-info .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.contact-info .contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--primary-color);
}

.contact-info .contact-item a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info .contact-item a:hover {
    color: var(--white);
}

.contact-info .contact-item span {
    flex: 1;
}

/* Footer Bottom */
.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--white);
}

.footer-legal .divider {
    color: rgba(255, 255, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-download {
        justify-content: center;
        align-items: center;
    }

    .qr-code-hero img {
        width: 180px;
        height: 180px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .logo h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .download-section {
        gap: 40px;
    }

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

    .section-title {
        font-size: 2rem;
    }

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

    .feature-card {
        padding: 30px;
    }

    .header-section {
        padding: 60px 0;
    }

    .features-section {
        padding: 60px 0;
    }

    .social-proof-section {
        padding: 60px 0;
    }

    .about-section {
        padding: 60px 0;
    }

    .footer-section {
        padding: 60px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-download {
        flex-direction: column;
        gap: 20px;
    }

    .qr-code-hero img {
        width: 150px;
        height: 150px;
    }

    .testimonial-card {
        padding: 20px;
    }

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

    .stat-number {
        font-size: 1.5rem;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .download-btn {
        padding: 15px 30px;
        font-size: 1rem;
    }

    .footer-section {
        padding: 50px 0 20px;
    }

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

    .social-links {
        justify-content: center;
    }

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

    .contact-info .contact-item {
        justify-content: center;
    }

    .footer-legal {
        justify-content: center;
    }
}

/* =========================
   Privacy Policy Page Only
   ========================= */

.page-privacy .about-section {
    background: var(--bg-light);
}

/* 放宽内容宽度 */
.page-privacy .container {
    max-width: 1800px; /* 首页是 1200，这里更宽 */
}

/* 让内容真正居中 */
.page-privacy .about-content {
    display: flex;
    justify-content: center;
}

/* 核心文字区域 */
.page-privacy .about-text {
    max-width: 1000px;        /* 控制阅读宽度 */
    margin: 0 auto;
    text-align: center;       /* 整体居中 */
}

/* 段落：更适合法律文本 */
.page-privacy .about-details p,
.page-privacy .about-details li {
    text-align: center;
    line-height: 1.9;
    font-size: 1rem;
}

/* 标题：居中 + 呼吸感 */
.page-privacy .about-details h3 {
    margin-top: 50px;
    margin-bottom: 20px;
    font-size: 1.4rem;
    text-align: center;
}

/* 列表：居中但不难读 */
.page-privacy .about-details ul {
    list-style-position: inside;
    padding-left: 0;
    margin: 20px auto;
}

/* 联系方式不要太挤 */
.page-privacy a {
    font-weight: 500;
}

/* Mobile 优化 */
@media (max-width: 768px) {
    .page-privacy .about-text {
        max-width: 100%;
        padding: 0 10px;
    }

    .page-privacy .about-details p,
    .page-privacy .about-details li {
        text-align: left; /* 手机上强制左对齐，更好读 */
    }

    .page-privacy .about-details h3 {
        text-align: left;
    }
}

/* 强制隐私政策正文左对齐 */
.page-privacy .about-text,
.page-privacy .about-details,
.page-privacy .about-details p,
.page-privacy .about-details li {
    text-align: left;
}

/* 标题也左对齐（如果你不想，可以删这一段） */
.page-privacy .about-details h3 {
    text-align: left;
}

/* About page: use full width (single column) */
.page-about .about-content {
  grid-template-columns: 1fr;   /* 从两列改成一列 */
}

.page-about .about-text {
  max-width: none;              /* 不额外限制宽度 */
}