/* ========== 全局重置与变量 ========== */
:root {
    --primary-red: #ef443b;
    --primary-dark: #d93833;
    --text-main: #1f2937;
    --text-secondary: #4b5563;
    --bg-light: #f9fafb;
    --border-light: #f0f0f0;
    --shadow-sm: 0 10px 25px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 15px 35px rgba(239, 68, 68, 0.08);
    --shadow-lg: 0 25px 50px rgba(0, 0, 0, 0.05);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 20px;
}

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

body {
    font-family: 'Noto Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-main);
    background: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ========== 导航栏 ========== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    height: 80px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.3s ease;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo img {
    height: 30px;
    width: 158px;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links li {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.2s;
    border-bottom: 3px solid transparent;
}

.nav-links li:hover {
    background: rgba(239, 68, 68, 0.04);
    border-bottom-color: #FFD5D6;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.nav-links-svg {
    width: 12px;
    height: 12px;
    opacity: 0.7;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-link {
    text-decoration: none;
    color: var(--primary-red);
    padding: 10px 24px;
    border: 2px solid var(--primary-red);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-link:hover {
    background: var(--primary-red);
    color: #fff;
}

.btn-outline {
    text-decoration: none;
    color: #fff;
    background: var(--primary-red);
    padding: 11px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-outline:hover {
    background: var(--primary-dark);
}

/* ========== 首屏英雄区 ========== */
.hero {
    padding: 160px 8% 100px;
    display: flex;
    align-items: center;
    gap: 60px;
    min-height: 90vh;
    background: radial-gradient(circle at 10% 20%, rgba(239, 68, 68, 0.03) 0%, rgba(255, 255, 255, 1) 50%);
}

.hero-text {
    flex: 1;
}

.hero-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: #fff0f0;
    color: var(--primary-red);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid #fecaca;
}

.hero-badge-outline {
    background: transparent;
    border: 1px solid #e5e7eb;
    color: var(--text-secondary);
}

.hero-text h1 {
    font-size: 5.5rem;
    font-weight: 700;
    color: var(--primary-red);
    line-height: 1.1;
    margin-bottom: 16px;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.hero-text h1 span {
    background: linear-gradient(135deg, #ef443b, #EE8D3B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 6.5rem;
}

.hero-text-div {
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--text-main);
    letter-spacing: 4px;
    margin-bottom: 24px;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-text p strong {
    font-weight: 700;
    color: var(--text-main);
}

.cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.btn-hero-main {
    background: var(--primary-red);
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.25);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.btn-hero-main:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(239, 68, 68, 0.35);
}

.btn-hero-sec {
    border: 2px solid var(--primary-red);
    color: var(--primary-red);
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.btn-hero-sec:hover {
    background: var(--primary-red);
    color: #fff;
    transform: translateY(-2px);
}

.hero-meta {
    font-size: 0.9rem;
    color: #9ca3af;
    margin-top: 8px;
}

.hero-figure {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-figure img {
    width: 100%;
    max-width: 480px;
    height: auto;
    background: #f9fafb;
    border-radius: var(--radius-lg);
    object-fit: contain;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease;
}

.hero-figure img:hover {
    transform: translateY(-5px);
}

/* ========== 核心能力矩阵 ========== */
.capability-section {
    padding: 100px 8%;
    background: #fff;
}

.capability-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 70px;
}

.capability-header h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.capability-header h2 span {
    background: linear-gradient(135deg, #ef443b, #EE8D3B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.capability-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.capability-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 35px 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #ef443b, #EE8D3B);
    opacity: 0;
    transition: opacity 0.3s;
}

.capability-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
    border-color: #fecaca;
}

.capability-card:hover::before {
    opacity: 1;
}

.capability-icon-wrap {
    width: 56px;
    height: 56px;
    margin-bottom: 24px;
    background: #fff0f0;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.capability-icon-wrap svg {
    width: 36px;
    height: 36px;
}

.capability-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.capability-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.capability-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--primary-red);
    background: #fff0f0;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

/* ========== 场景故事区 ========== */
.story-section {
    padding: 100px 8%;
    background: var(--bg-light);
}

.story-section h2 {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.story-section h2 span {
    background: linear-gradient(135deg, #ef443b, #EE8D3B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.story-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

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

.story-card {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

.story-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.story-number {
    font-size: 3rem;
    font-weight: 800;
    color: #fecaca;
    line-height: 1;
    margin-bottom: 16px;
}

.story-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.story-role {
    font-size: 0.85rem;
    color: var(--primary-red);
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border-light);
}

.story-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.story-card p strong {
    color: var(--text-main);
    font-weight: 600;
}

/* ========== 信任区 ========== */
.trust-section {
    padding: 80px 8%;
    text-align: center;
    background: #fff;
}

.trust-section h2 {
    font-size: 2.8rem;
    font-weight: 300;
    margin-bottom: 50px;
}

.trust-section h2 span {
    color: var(--primary-red);
    font-weight: 700;
}

.logo-wall {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 60px;
}

.logo-wall img {
    height: 50px;
    transition: all 0.3s ease;
    opacity: 0.8;
    filter: grayscale(30%);
}

.logo-wall img:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.05);
}

.trust-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 40px;
}

.trust-stat-item {
    text-align: center;
    min-width: 120px;
}

.trust-stat-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-red);
    line-height: 1.2;
}

.trust-stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
    display: block;
}

/* ========== 配置器区 ========== */
.configurator-section {
    margin: 60px 8%;
    background: linear-gradient(105deg, #ef443b 0%, #EE8D3B 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    padding: 60px;
    color: #fff;
    overflow: hidden;
    gap: 40px;
}

.config-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.config-visual img {
    width: 100%;
    max-width: 450px;
    transform: perspective(800px) rotateY(-12deg);
    transition: transform 0.3s ease;
}

.config-visual img:hover {
    transform: perspective(800px) rotateY(-8deg) translateY(-5px);
}

.config-text {
    flex: 1;
}

.config-text h2 {
    font-size: 2.6rem;
    margin-bottom: 20px;
    font-weight: 400;
    line-height: 1.3;
}

.config-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.7;
}

.config-text p strong {
    font-weight: 600;
}

.usage-icons {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.usage-item {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
}

.usage-item i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin: 0 auto 10px;
    backdrop-filter: blur(5px);
    transition: background 0.3s;
}

.usage-item:hover i {
    background: rgba(255, 255, 255, 0.35);
}

.usage-item img {
    width: 30px;
    height: 30px;
    filter: brightness(0) invert(1);
}

.btn-white {
    background: #fff;
    color: var(--primary-red);
    padding: 15px 35px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    background: #f1f1f1;
    transform: translateY(-2px);
    box-shadow: 0 14px 25px rgba(0, 0, 0, 0.15);
}

/* ========== 定价版块 ========== */
.pricing-section {
    padding: 100px 8%;
    background: #fff;
    text-align: center;
}

.pricing-header {
    max-width: 700px;
    margin: 0 auto 70px;
}

.pricing-header h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.pricing-header h2 span {
    background: linear-gradient(135deg, #ef443b, #EE8D3B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
    margin-bottom: 40px;
}

.pricing-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 40px 25px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.pricing-card-recommend {
    border: 2px solid var(--primary-red);
    box-shadow: 0 15px 35px rgba(239, 68, 68, 0.12);
    transform: scale(1.02);
}

.pricing-card-recommend:hover {
    transform: scale(1.02) translateY(-5px);
}

.pricing-ribbon {
    position: absolute;
    top: -13px;
    right: -13px;
    background: var(--primary-red);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(239, 68, 68, 0.3);
    letter-spacing: 0.5px;
}

.pricing-card-top {
    margin-bottom: 30px;
}

.pricing-badge {
    display: inline-block;
    background: #fff0f0;
    color: var(--primary-red);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 5px 18px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.pricing-badge-hot {
    background: #fff;
    color: var(--primary-red);
}

.pricing-icon-wrap {
    margin: 25px 0;
}

.pricing-icon {
    width: 48px;
    height: 48px;
}

.pricing-icon-wrap-hot .pricing-icon {
    filter: drop-shadow(0 4px 10px rgba(255, 255, 255, 0.5));
}

.pricing-price {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 12px;
}

.pricing-currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.pricing-amount {
    font-size: 3.8rem;
    line-height: 1;
}

.pricing-period {
    font-size: 1rem;
    color: #6b7280;
    font-weight: 400;
    margin-left: 4px;
}

.pricing-desc {
    color: #6b7280;
    font-size: 0.95rem;
    font-weight: 400;
    max-width: 220px;
    margin: 0 auto;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 25px 0 35px;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-light);
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li::before {
    content: "✓";
    color: var(--primary-red);
    font-weight: 700;
    font-size: 1rem;
}

.pricing-btn-outline {
    display: block;
    border: 2px solid var(--primary-red);
    color: var(--primary-red);
    padding: 14px 0;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    text-align: center;
    margin-top: auto;
}

.pricing-btn-outline:hover {
    background: var(--primary-red);
    color: #fff;
}

.pricing-btn-solid {
    display: block;
    background: var(--primary-red);
    color: #fff;
    padding: 14px 0;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    text-align: center;
    margin-top: auto;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.25);
}

.pricing-btn-solid:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(239, 68, 68, 0.35);
}

.pricing-footnote {
    font-size: 0.9rem;
    color: #9ca3af;
    margin-top: 10px;
}

/* ========== 原版承诺区 ========== */
.promise-section {
    padding: 100px 8%;
    background: #fafafa;
    border-top: 1px solid #f0f0f0;
}

.promise-content {
    max-width: 900px;
    margin: 0 auto;
}

.promise-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.promise-content h2 span {
    background: linear-gradient(135deg, #ef443b, #EE8D3B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.promise-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 50px;
    text-align: center;
}

.promise-lead strong {
    color: var(--text-main);
    font-weight: 700;
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.promise-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: #fff;
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid #f0f0f0;
    transition: all 0.2s ease;
}

.promise-item:hover {
    border-color: #fecaca;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
}

.promise-check {
    font-size: 1.6rem;
    color: var(--primary-red);
    font-weight: 700;
    line-height: 1;
    margin-top: 2px;
}

.promise-item strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 6px;
    color: var(--text-main);
}

.promise-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 页脚 ========== */
footer {
    background: #111111;
    color: #ffffff;
    padding: 80px 8% 40px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-logo-section img {
    height: 35px;
    margin-bottom: 20px;
}

.footer-logo-section p {
    color: #999;
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-domain {
    color: var(--primary-red) !important;
    font-weight: 600;
}

.footer-column h3 {
    color: var(--primary-red);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-red);
    border-radius: 2px;
}

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

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #cccccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--primary-red);
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid #222;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #888;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-socials {
    display: flex;
    gap: 20px;
}

.footer-socials a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-socials a:hover {
    color: #fff;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .capability-grid,
    .story-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 140px 5% 80px;
        gap: 40px;
    }
    .hero-text p {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-group {
        justify-content: center;
    }
    .hero-badge-row {
        justify-content: center;
    }
    .hero-figure img {
        max-width: 400px;
        margin: 0 auto;
    }
    .configurator-section {
        flex-direction: column;
        padding: 50px 30px;
        text-align: center;
    }
    .config-text {
        padding-left: 0;
    }
    .usage-icons {
        justify-content: center;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .footer-logo-section {
        grid-column: span 2;
        text-align: center;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    .pricing-card-recommend {
        transform: scale(1);
    }
    .capability-grid,
    .story-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    .promise-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 3.5rem;
    }
    .hero-text h1 span {
        font-size: 4.5rem;
    }
    .hero-text-div {
        font-size: 1.6rem;
    }
    .capability-header h2,
    .story-section h2,
    .trust-section h2,
    .config-text h2,
    .pricing-header h2,
    .promise-content h2 {
        font-size: 2.2rem;
    }
    .logo-wall {
        gap: 20px;
    }
    .logo-wall img {
        height: 40px;
    }
    .trust-stats {
        gap: 20px;
    }
    .trust-stat-num {
        font-size: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 5% 60px;
    }
    .hero-text h1 {
        font-size: 2.8rem;
    }
    .hero-text h1 span {
        font-size: 3.5rem;
    }
    .btn-hero-main,
    .btn-hero-sec {
        width: 100%;
        justify-content: center;
    }
    .configurator-section {
        margin: 30px 4%;
        padding: 30px 20px;
    }
    .pricing-card {
        padding: 30px 20px;
    }
    .nav-links {
        display: none; /* 实际项目中可替换为汉堡菜单 */
    }
}