/* ========================================
   全局样式与重置
   ======================================== */

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

:root {
    --primary-color: #009393;
    --primary-dark: #006666;
    --primary-light: #4db8a8;
    --secondary-color: #00b4a0;
    --bg-light: #f0fffe;
    --bg-white: #ffffff;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --border-color: #e5e7eb;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   容器与布局
   ======================================== */

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

.section {
    padding: 70px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
}

.section-header p {
    font-size: 15px;
    color: var(--text-gray);
    font-weight: 500;
}

/* ========================================
   顶部导航
   ======================================== */

.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.logo-svg {
    width: 80px;
    height: 80px;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: #009393;
    letter-spacing: 0.5px;
}

.logo-link:hover .logo-svg {
    filter: drop-shadow(0 0 12px rgba(0, 147, 147, 0.3));
    transform: scale(1.05);
}

.logo-link:hover .logo-text {
    color: #006666;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero 首屏
   ======================================== */

.hero {
    background: linear-gradient(135deg, #f0fffe 0%, #e8f8f6 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 147, 147, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.feature-tag {
    background-color: rgba(0, 147, 147, 0.1);
    color: var(--primary-dark);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.feature-tag::before {
    filter: drop-shadow(0 1px 2px rgba(0, 147, 147, 0.2));
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 147, 147, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-bg-shape {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 147, 147, 0.15) 0%, rgba(0, 102, 102, 0.05) 100%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero-icon {
    width: 280px;
    height: 280px;
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ========================================
   About 品牌介绍
   ======================================== */

.about-section {
    background-color: var(--bg-white);
}

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

.about-text h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 14px;
    font-weight: 700;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 15px;
}

.brand-principles {
    list-style: none;
    margin: 0;
}

.brand-principles li {
    padding: 12px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.brand-principles li:last-child {
    border-bottom: none;
}

.brand-principles strong {
    color: var(--primary-color);
    font-weight: 700;
}

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

.visual-card {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #e8f8f6 100%);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 147, 147, 0.1);
}

.visual-card svg {
    width: 100%;
    height: 100%;
}

/* ========================================
   优势模块 Advantages
   ======================================== */

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.advantage-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 35px 28px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.advantage-card:hover {
    box-shadow: 0 8px 25px rgba(0, 147, 147, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.advantage-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   生态模块 Ecosystem
   ======================================== */

.ecosystem-section {
    background-color: var(--bg-light);
}

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

.ecosystem-text h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 14px;
    font-weight: 700;
}

.ecosystem-text p {
    color: var(--text-gray);
    margin-bottom: 28px;
    line-height: 1.8;
    font-size: 15px;
}

.ecosystem-features {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.ecosystem-feature {
    display: flex;
    gap: 14px;
}

.feature-number {
    font-size: 26px;
    flex-shrink: 0;
    color: var(--primary-color);
    filter: drop-shadow(0 2px 4px rgba(0, 147, 147, 0.2));
}

.ecosystem-feature strong {
    color: var(--text-dark);
    font-size: 15px;
    display: block;
    margin-bottom: 3px;
    font-weight: 700;
}

.ecosystem-feature p {
    margin: 0;
    font-size: 13px;
    color: var(--text-gray);
}

.ecosystem-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ecosystem-diagram {
    width: 100%;
    max-width: 300px;
    filter: drop-shadow(0 4px 15px rgba(59, 130, 246, 0.15));
}

.ecosystem-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    display: block;
    transition: transform 0.4s ease;
    filter: drop-shadow(0 4px 15px rgba(0, 147, 147, 0.15));
}

.ecosystem-image:hover {
    transform: scale(1.05);
}

/* ========================================
   场景应用 Scenarios
   ======================================== */

.scenarios-section {
    background-color: var(--bg-white);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.scenario-card {
    background: linear-gradient(135deg, var(--bg-light) 0%, #e8f8f6 100%);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 32px 26px;
    text-align: center;
    transition: var(--transition);
}

.scenario-card:hover {
    box-shadow: 0 8px 24px rgba(0, 147, 147, 0.15);
    transform: translateY(-4px);
}

.scenario-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scenario-icon svg {
    width: 100%;
    height: 100%;
}

.scenario-card h3 {
    font-size: 17px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.scenario-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   安全与透明 Security
   ======================================== */

.security-section {
    background-color: var(--bg-light);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 2px 1fr;
    gap: 60px;
}

.security-column {
    background-color: var(--bg-white);
    padding: 36px 28px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.security-column h3 {
    font-size: 19px;
    color: var(--text-dark);
    margin-bottom: 28px;
    font-weight: 700;
}

.security-item {
    margin-bottom: 28px;
}

.security-item:last-child {
    margin-bottom: 0;
}

.security-item h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.security-item p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
}

.security-divider {
    background-color: var(--border-color);
}

/* ========================================
   数据展示 Stats
   ======================================== */

.stats-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, #e8f8f6 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.stat-card {
    background-color: var(--bg-white);
    border-radius: 10px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    box-shadow: 0 8px 20px rgba(0, 147, 147, 0.12);
    transform: translateY(-3px);
    border-color: var(--primary-light);
}

.stat-number {
    font-size: 44px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 12px;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.6;
}

/* ========================================
   合作伙伴模块
   ======================================== */

.partners-section {
    background-color: var(--bg-white);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 0;
    background-color: transparent;
    border: none;
    border-radius: 0;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.partner-item:nth-child(1) { animation-delay: 0.1s; }
.partner-item:nth-child(2) { animation-delay: 0.15s; }
.partner-item:nth-child(3) { animation-delay: 0.2s; }
.partner-item:nth-child(4) { animation-delay: 0.25s; }
.partner-item:nth-child(5) { animation-delay: 0.3s; }
.partner-item:nth-child(6) { animation-delay: 0.35s; }
.partner-item:nth-child(7) { animation-delay: 0.4s; }
.partner-item:nth-child(8) { animation-delay: 0.45s; }
.partner-item:nth-child(9) { animation-delay: 0.5s; }
.partner-item:nth-child(10) { animation-delay: 0.55s; }
.partner-item:nth-child(n+11) { animation-delay: 0.6s; }

.partner-item:hover {
    border-color: transparent;
    box-shadow: none;
    transform: scale(1.08);
}

.partner-logo-box {
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: 0;
    padding: 0;
    max-width: 140px;
    transition: var(--transition);
}

.partner-logo {
    width: auto;
    height: auto;
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.partner-item:hover .partner-logo {
    transform: scale(1.12);
    filter: drop-shadow(0 4px 12px rgba(0, 147, 147, 0.2));
}

.partner-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    line-height: 1.4;
}

/* ========================================
   FAQ 常见问题
   ======================================== */

.faq-section {
    background-color: var(--bg-white);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
    transition: var(--transition);
    filter: drop-shadow(0 1px 3px rgba(0, 147, 147, 0.2));
}

.faq-item.active .faq-question .faq-icon {
    transform: rotate(180deg);
}

.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 0 24px 0;
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 15px;
}

/* ========================================
   联系模块 Contact
   ======================================== */

.contact-section {
    background-color: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 28px;
    font-weight: 700;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.contact-item {
    padding: 20px;
    background-color: var(--bg-white);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
}

.contact-item h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 6px;
    font-weight: 700;
}

.contact-item p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.6;
}

.contact-form-box h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 20px 0 26px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #9ca3af;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 147, 147, 0.08);
}

.contact-form button {
    align-self: flex-start;
}

.contact-details {
    background-color: var(--bg-white);
    padding: 18px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-details p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 6px 0;
}

.contact-details strong {
    color: var(--text-dark);
}

/* ========================================
   页脚 Footer
   ======================================== */

.footer {
    background-color: var(--text-dark);
    color: var(--bg-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    color: var(--bg-white);
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-section p {
    font-size: 14px;
    color: var(--bg-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--bg-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    margin: 40px 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--bg-light);
    margin: 6px 0;
}

.footer-logo-section {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-coin-logo {
    width: 50px;
    height: 50px;
    display: block;
    transition: transform 0.3s ease;
    opacity: 0.8;
}

.footer-logo-section:hover .footer-coin-logo {
    transform: scale(1.1) rotate(5deg);
    opacity: 1;
}

.footer-section a {
    text-decoration: none;
    transition: var(--transition);
}

/* ========================================
   ICON 绿色主题统一
   ======================================== */

/* 所有 emoji icon 绿色主题 */
.wallets-security-banner .security-badge .badge-icon {
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(0, 147, 147, 0.15);
}

.hero-features .feature-tag {
    color: var(--primary-dark);
}

.hero-features .feature-tag::before {
    content: '';
    display: inline-block;
    width: 1px;
    height: 1px;
}

.ecosystem-feature .feature-number {
    color: var(--primary-color);
    filter: drop-shadow(0 2px 4px rgba(0, 147, 147, 0.2));
}

.features-list li::before {
    color: var(--primary-color);
}

/* ========================================
   动画与动效
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.fade-in:nth-child(1) { animation-delay: 0s; }
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.2s; }
.fade-in:nth-child(4) { animation-delay: 0.3s; }
.fade-in:nth-child(5) { animation-delay: 0.4s; }
.fade-in:nth-child(6) { animation-delay: 0.5s; }

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 768px) {
    .logo-svg {
        width: 70px;
        height: 70px;
    }

    .logo-text {
        font-size: 16px;
    }

    .feature-tag {
        background-color: rgba(0, 147, 147, 0.1);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-white);
        padding: 16px;
        gap: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu a {
        padding: 10px 0;
        font-size: 13px;
    }

    .nav-menu a::after {
        display: none;
    }

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

    .hero-text h1 {
        font-size: 36px;
    }

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

    .hero-description {
        font-size: 14px;
    }

    .hero-features {
        margin-bottom: 30px;
    }

    .feature-tag {
        font-size: 13px;
        padding: 6px 12px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 24px;
    }

    .hero-icon {
        width: 200px;
        height: 200px;
    }

    .section-header h2 {
        font-size: 26px;
    }

    .section-header p {
        font-size: 14px;
    }

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

    .advantages-grid,
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .security-content {
        grid-template-columns: 1fr;
    }

    .security-divider {
        width: 100%;
        height: 1px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .hero {
        padding: 60px 0;
    }

    .section {
        padding: 50px 0;
    }

    .advantage-icon,
    .scenario-icon {
        width: 60px;
        height: 60px;
    }

    .advantage-card {
        padding: 28px 22px;
    }

    .scenario-card {
        padding: 26px 20px;
    }

    .advantage-card h3,
    .scenario-card h3,
    .security-column h3 {
        font-size: 16px;
    }

    .advantage-card p,
    .scenario-card p {
        font-size: 12px;
    }

    .faq-question {
        padding: 14px 0;
        font-size: 13px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stat-card {
        padding: 28px 20px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-label {
        font-size: 13px;
    }

    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        gap: 20px;
    }

    .partner-item {
        padding: 0;
    }

    .partner-logo-box {
        width: auto;
        height: auto;
        max-width: 120px;
    }

    .partner-logo {
        max-width: 100px;
        max-height: 50px;
    }

    .partner-name {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .logo-svg {
        width: 60px;
        height: 60px;
    }

    .logo-text {
        font-size: 14px;
    }

    .hero-text h1 {
        font-size: 30px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-description {
        font-size: 13px;
    }

    .hero-features {
        gap: 6px;
        margin-bottom: 24px;
    }

    .feature-tag {
        font-size: 12px;
        padding: 5px 10px;
    }

    .section-header h2 {
        font-size: 23px;
    }

    .section-header p {
        font-size: 13px;
    }

    .about-text h3,
    .ecosystem-text h3,
    .security-column h3,
    .contact-form-box h3,
    .contact-info h3 {
        font-size: 18px;
    }

    .hero-icon {
        width: 160px;
        height: 160px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 12px;
    }

    .advantage-card,
    .scenario-card {
        padding: 24px 18px;
    }

    .security-column {
        padding: 24px 18px;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 12px;
        padding: 10px 12px;
    }

    .hero {
        padding: 50px 0;
    }

    .section {
        padding: 40px 0;
    }

    .container {
        padding: 0 16px;
    }

    .btn {
        font-size: 14px;
        padding: 11px 22px;
    }

    .faq-question {
        font-size: 12px;
    }

    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
        gap: 16px;
    }

    .partner-item {
        padding: 0;
    }

    .partner-logo-box {
        width: auto;
        height: auto;
        max-width: 100px;
    }

    .partner-logo {
        max-width: 85px;
        max-height: 45px;
    }

    .partner-name {
        font-size: 11px;
    }

    /* 移动端额外优化 */
    .wallets-grid {
        grid-template-columns: 1fr;
    }

    .news-featured {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 20px;
    }

    .comparison-table {
        font-size: 11px;
        overflow-x: auto;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px 5px;
    }

    .apps-text h3,
    .security-features-text h3,
    .tech-text h3,
    .market-text h3 {
        font-size: 20px;
    }

    .wallets-security-banner {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 15px;
    }

    .badge-icon {
        font-size: 20px;
    }

    .badge-text {
        font-size: 12px;
    }
}

/* ========================================
   图片容器与样式
   ======================================== */

.hero-image {
    width: 100%;
    max-width: 420px;
    height: auto;
    display: block;
    object-fit: contain;
    animation: slideInRight 0.8s ease forwards;
    opacity: 0;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.section-banner {
    width: 100%;
    margin: 35px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.section-banner img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 320px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.section-banner:hover img {
    transform: scale(1.02);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 147, 147, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.scenario-image-container {
    width: 100%;
    margin: 40px 0;
    border-radius: 12px;
    overflow: hidden;
}

.scenario-image-container img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 500px;
    object-fit: contain;
}

.partners-intro-image {
    width: 100%;
    margin-bottom: 50px;
    border-radius: 12px;
    overflow: hidden;
}

.partners-intro-image img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 350px;
    object-fit: contain;
}

/* 响应式图片调整 */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-banner img {
        max-height: 250px;
    }

    .section-banner-extra img {
        max-height: 220px;
    }

    .section-info-container img {
        max-height: 260px;
    }

    .scenario-image-container img {
        max-height: 300px;
    }

    .partners-intro-image img {
        max-height: 220px;
    }

    .hero-image {
        max-width: 100%;
    }
}

/* ========================================
   应用生态 Apps
   ======================================== */

.apps-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.apps-text h3,
.security-features-text h3,
.tech-text h3,
.market-text h3 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.apps-text p,
.security-features-text p,
.tech-text p,
.market-text p {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 25px;
    line-height: 1.8;
}

.apps-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 147, 147, 0.1);
}

.apps-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.apps-image:hover img {
    transform: scale(1.05);
}

.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 16px;
}

/* 安全保障 */

.security-features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.security-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 147, 147, 0.1);
}

.security-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.security-image:hover img {
    transform: scale(1.05);
}

/* 技术架构 */

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tech-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 147, 147, 0.1);
}

.tech-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.tech-image:hover img {
    transform: scale(1.05);
}

/* 市场数据 */

.market-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.market-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 147, 147, 0.1);
}

.market-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.market-image:hover img {
    transform: scale(1.05);
}

/* 最新资讯 */

.news-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(0, 147, 147, 0.05) 0%, rgba(0, 147, 147, 0.02) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 147, 147, 0.1);
}

.news-featured-image {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.news-featured-text h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.news-featured-text p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
}

.news-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.news-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.news-item:nth-child(1) { animation-delay: 0.1s; }
.news-item:nth-child(2) { animation-delay: 0.2s; }
.news-item:nth-child(3) { animation-delay: 0.3s; }

.news-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 147, 147, 0.15);
}

.news-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.news-item h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin: 20px;
    margin-bottom: 10px;
}

.news-item p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0 20px 20px;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .apps-content,
    .security-features-content,
    .tech-content,
    .market-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .news-featured {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 30px;
    }

    .news-gallery {
        grid-template-columns: 1fr;
    }

    .apps-text h3,
    .security-features-text h3,
    .tech-text h3,
    .market-text h3 {
        font-size: 22px;
    }
}

.section-banner-extra {
    padding: 20px 0;
    display: flex;
    justify-content: center;
}

.section-banner-extra img {
    width: 100%;
    max-width: 900px;
    height: auto;
    max-height: 300px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 147, 147, 0.1);
    display: block;
    transition: transform 0.3s ease;
    margin: 0 auto;
}

.section-banner-extra:hover img {
    transform: scale(1.01);
}

.section-info-container {
    padding: 40px 0;
    display: flex;
    justify-content: center;
}

.section-info-container img {
    width: 100%;
    max-width: 900px;
    height: auto;
    max-height: 350px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 147, 147, 0.12);
    display: block;
    transition: transform 0.4s ease;
    margin: 0 auto;
}

.section-info-container:hover img {
    transform: scale(1.02);
}

/* ========================================
   钱包下载 Wallets
   ======================================== */

.wallets-security-banner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, rgba(0, 147, 147, 0.05) 0%, rgba(0, 147, 147, 0.02) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 147, 147, 0.1);
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge-icon {
    font-size: 24px;
    color: var(--primary-color);
    filter: drop-shadow(0 2px 4px rgba(0, 147, 147, 0.15));
}

.badge-text {
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.5;
}

.wallets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin: 50px 0;
}

.wallet-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.wallet-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 147, 147, 0.15);
    transform: translateY(-4px);
}

.wallet-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.wallet-header h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin: 0;
}

.wallet-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
    white-space: nowrap;
}

.wallet-desc {
    color: var(--text-gray);
    font-size: 13px;
    margin: 10px 0 15px;
}

.wallet-features {
    list-style: none;
    padding: 0;
    margin: 15px 0;
    flex-grow: 1;
}

.wallet-features li {
    font-size: 13px;
    color: var(--text-gray);
    padding: 6px 0;
    line-height: 1.6;
}

.wallet-badges-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 15px 0;
}

.wallet-badges-group .badge {
    background: rgba(0, 147, 147, 0.1);
    color: var(--primary-color);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.wallet-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    padding: 11px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: block;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
}

.wallet-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 147, 147, 0.3);
}

.wallets-comparison {
    margin: 50px 0;
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.wallets-comparison h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    background: linear-gradient(135deg, rgba(0, 147, 147, 0.1), rgba(0, 147, 147, 0.05));
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    font-size: 13px;
}

.comparison-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-gray);
}

.comparison-table tbody tr:hover {
    background: rgba(0, 147, 147, 0.02);
}

.wallets-tips {
    margin-top: 40px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 147, 147, 0.08), rgba(0, 147, 147, 0.03));
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.tip-box h4 {
    color: var(--primary-color);
    font-size: 16px;
    margin: 0 0 15px;
}

.tip-box ul {
    list-style: none;
    padding: 0;
}

.tip-box li {
    color: var(--text-gray);
    font-size: 13px;
    padding: 8px 0;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .wallets-grid {
        grid-template-columns: 1fr;
    }

    .wallets-security-banner {
        grid-template-columns: 1fr;
    }

    .wallet-card {
        padding: 20px;
    }

    .comparison-table {
        font-size: 12px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px;
    }
}