/* ===== 基础变量与重置 ===== */
:root {
    --color-primary: #c41e3a;
    --color-primary-dark: #a01830;
    --color-secondary: #1a1a2e;
    --color-text: #333;
    --color-text-muted: #666;
    --color-text-light: #999;
    --color-bg: #fff;
    --color-bg-alt: #f8f9fa;
    --color-border: #eee;
    --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.7;
    background: var(--color-bg);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }

img { max-width: 100%; height: auto; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.9);
}

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

.btn-light {
    background: #fff;
    color: var(--color-primary);
    border: 2px solid #fff;
}

.btn-light:hover {
    background: rgba(255,255,255,0.9);
    border-color: rgba(255,255,255,0.9);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 16px;
}

/* ===== 导航栏 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
}

.logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 15px;
    color: var(--color-text);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
}

/* ===== 主视觉 - 全屏大气 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    overflow: hidden;
}

.hero-full .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-full .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.6) 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(196,30,58,0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
}

.hero-label {
    font-size: 13px;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 4px;
    line-height: 1.2;
}

.hero-desc {
    font-size: 18px;
    opacity: 0.92;
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.8);
    font-size: 12px;
}

.scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.8);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); }
}

/* ===== 数据展示 ===== */
.stats {
    padding: 70px 0;
    background: var(--color-secondary);
    color: #fff;
}

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

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 48px;
    font-weight: 700;
}

.stat-suffix {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-primary);
}

.stat-label {
    margin-top: 8px;
    font-size: 15px;
    opacity: 0.9;
}

/* ===== 通用区块 ===== */
.section {
    padding: 100px 0;
}

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

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-label {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-secondary);
}

.section-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ===== 业务展示块 ===== */
.services-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

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

.service-block--reverse {
    direction: rtl;
}

.service-block--reverse > * {
    direction: ltr;
}

.service-block-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-block-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.service-block-content {
    padding: 20px 0;
}

.service-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.service-block-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.service-block-content p {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.service-block-content .btn {
    margin-top: 8px;
}

/* ===== 优势卡片 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.advantage-card {
    padding: 40px 28px;
    background: #fff;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(196,30,58,0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advantage-num {
    display: block;
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 12px;
}

.advantage-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-secondary);
}

.advantage-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== 品牌理念 ===== */
.philosophy-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.philosophy-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.philosophy-img img {
    width: 100%;
    height: 480px;
    object-fit: cover;
}

.philosophy-content .section-label {
    margin-bottom: 16px;
}

.philosophy-content h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.3;
    margin-bottom: 24px;
}

.philosophy-content p {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.philosophy-content .btn {
    margin-top: 8px;
}

/* ===== CTA ===== */
.cta {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.cta-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(196,30,58,0.9) 0%, rgba(26,26,46,0.85) 100%);
}

.cta-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta .container {
    position: relative;
    z-index: 2;
}

.cta-content {
    text-align: center;
    color: #fff;
}

.cta h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--color-secondary);
    color: #fff;
    padding: 60px 0 30px;
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 24px;
    }
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #fff;
}

.footer-info p {
    opacity: 0.85;
    font-size: 14px;
}

.footer-info a {
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    white-space: nowrap;
}

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

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

.footer-bottom p {
    text-align: center;
    font-size: 13px;
    opacity: 0.8;
}

/* ===== 内页通用 ===== */
.page-header {
    position: relative;
    padding: 180px 0 100px;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.page-header-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(45,45,68,0.82) 100%);
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #2d2d44 100%);
    z-index: 0;
}

.page-header.has-bg .page-header-bg {
    z-index: 1;
}

.page-header.has-bg::before {
    display: none;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header-label {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 12px;
}

.page-header h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.92;
}

.page-content {
    padding: 80px 0;
}

.content-block {
    max-width: 800px;
    margin: 0 auto 48px;
}

.content-block h2 {
    font-size: 28px;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.content-block p {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.content-block ul {
    margin: 20px 0;
    padding-left: 24px;
}

.content-block li {
    margin-bottom: 12px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== 内页带图区块 ===== */
.page-img-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.page-img-block img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.page-img-block[style*="direction: rtl"] {
    direction: rtl;
}

.page-img-block[style*="direction: rtl"] .content-block {
    direction: ltr;
}

.page-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.page-img-block .content-block {
    max-width: none;
    margin-bottom: 0;
}

/* ===== 内页区块 ===== */
.page-section {
    padding: 80px 0;
}

.page-section .section-header {
    margin-bottom: 48px;
}

/* 服务卡片网格 */
.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card-item {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card-img {
    height: 220px;
    overflow: hidden;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-card-body {
    padding: 28px 24px;
}

.service-card-body h3 {
    font-size: 20px;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.service-card-body p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* 优势列表 */
.advantage-list {
    max-width: 800px;
    margin: 0 auto;
}

.advantage-list-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.advantage-list-num {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
}

.advantage-list-content h4 {
    font-size: 18px;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.advantage-list-content p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* 企业文化价值观卡片 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.value-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-card-img {
    height: 200px;
    overflow: hidden;
}

.value-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.value-card-body {
    padding: 28px 24px;
}

.value-card-body h3 {
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.value-card-body p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* 联系方式 */
.contact-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

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

@media (min-width: 768px) {
    .contact-info-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.contact-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card:hover {
    transform: translateY(-2px);
    border-color: rgba(196, 30, 58, 0.12);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.contact-icon-wrap {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.06) 0%, rgba(196, 30, 58, 0.02) 100%);
    border-radius: 14px;
}

.contact-icon-wrap .contact-icon-svg {
    width: 26px;
    height: 26px;
    color: var(--color-primary);
    opacity: 0.9;
}

.contact-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.contact-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.contact-card a {
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.contact-card a:hover {
    color: var(--color-primary);
}

/* 微信公众号区块 */
.contact-wechat-block {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.02) 0%, rgba(196, 30, 58, 0.03) 100%);
    border-radius: 20px;
    padding: 48px;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.contact-wechat-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

@media (min-width: 640px) {
    .contact-wechat-inner {
        flex-direction: row;
        justify-content: center;
    }
}

.contact-wechat-qr {
    flex-shrink: 0;
    width: 160px;
    height: 160px;
    padding: 14px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.contact-wechat-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.contact-wechat-text h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.contact-wechat-text p {
    font-size: 15px;
    color: var(--color-text-muted);
}

/* ===== App 下载页 ===== */
.app-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    margin-top: 0;
    overflow: hidden;
}

.app-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.app-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.9) 0%, rgba(26,26,46,0.7) 100%);
}

.app-hero-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

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

.app-hero-text {
    color: #fff;
}

.app-hero-label {
    font-size: 14px;
    letter-spacing: 3px;
    opacity: 0.9;
    margin-bottom: 16px;
}

.app-hero h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.app-hero-desc {
    font-size: 18px;
    opacity: 0.92;
    line-height: 1.8;
    margin-bottom: 36px;
}

.app-download-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.app-download-btns--center {
    justify-content: center;
}

.app-download-btns--center .btn {
    margin: 0 8px;
}


.app-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: #fff;
    color: var(--color-secondary);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.app-download-btn svg {
    width: 28px;
    height: 28px;
}

.app-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.app-download-android {
    background: #3ddc84;
    color: #000;
}

.app-download-android:hover {
    background: #2ec770;
}

.app-hero-phone {
    display: flex;
    justify-content: center;
}

.app-phone-mockup {
    width: 280px;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    border: 4px solid rgba(255,255,255,0.1);
}

.app-phone-mockup img {
    width: 100%;
    display: block;
}

.app-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.app-feature-item {
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.app-feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.app-feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.app-feature-item h3 {
    font-size: 20px;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.app-feature-item p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.app-scan-inner {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
    align-items: center;
}

.app-scan-qr {
    text-align: center;
}

.app-scan-qr-wrap {
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    padding: 16px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.app-scan-qr-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.app-scan-qr p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-secondary);
}

.app-scan-text h2 {
    font-size: 28px;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.app-scan-text p {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
}

.app-cta .page-cta {
    padding: 40px 0;
}

.app-cta .page-cta p {
    margin-bottom: 32px;
}

.app-cta .btn-outline {
    background: transparent;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.app-cta .btn-outline:hover {
    background: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
}

@media (max-width: 992px) {
    .app-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .app-hero-phone {
        order: -1;
    }

    .app-phone-mockup {
        width: 220px;
    }

    .app-download-btns {
        justify-content: center;
    }

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

    .app-scan-inner {
        grid-template-columns: 1fr;
    }

    .app-scan-qr {
        order: -1;
    }
}

@media (max-width: 768px) {
    .app-hero h1 {
        font-size: 32px;
    }

    .app-features-grid {
        grid-template-columns: 1fr;
    }
}

/* 内页 CTA */
.page-cta {
    text-align: center;
    padding: 60px 0 40px;
}

.page-cta p {
    font-size: 20px;
    color: var(--color-secondary);
    margin-bottom: 24px;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px;
    }
}

@media (max-width: 992px) {
    .service-block,
    .service-block--reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 40px;
    }

    .service-block-img {
        order: -1;
    }

    .service-block-img img {
        height: 300px;
    }

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

    .philosophy-inner {
        grid-template-columns: 1fr;
    }

    .philosophy-img img {
        height: 360px;
    }

    .page-img-block,
    .page-img-block[style*="direction: rtl"] {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .page-img-block .page-img-wrap {
        order: -1;
    }

    .page-img-block img,
    .page-img-block .page-img-wrap img {
        height: 280px;
    }

    .service-cards-grid {
        grid-template-columns: 1fr;
    }

    .service-card-img {
        height: 200px;
    }

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

    .value-card-img {
        height: 180px;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-wechat-block {
        padding: 36px 24px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 32px;
    }

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

    .hero-btns {
        flex-direction: column;
    }

    .section {
        padding: 60px 0;
    }

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

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

    .stat-suffix {
        font-size: 22px;
    }

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

    .cta h2 {
        font-size: 26px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
        align-items: center;
        text-align: center;
        margin-bottom: 32px;
    }

    .footer-info {
        width: 100%;
    }

    .footer-info p {
        margin-bottom: 4px;
    }

    .footer-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px 20px;
        justify-items: center;
        width: 100%;
        max-width: 320px;
    }

    .footer-links a {
        padding: 10px 8px;
        font-size: 15px;
        text-align: center;
    }

    .page-header {
        padding: 140px 0 60px;
    }

    .page-header h1 {
        font-size: 32px;
    }
}

/* 移动端导航展开 */
.nav-links.show {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}