/* ============================================
   澳肤保品牌网站 - 响应式样式表
   风格：简约 · 分屏 · 静中有动
   适配：手机、平板、PC端
   ============================================ */

/* CSS变量定义 */
:root {
    --primary: #1a2744;        /* 深海军蓝 - 主色 */
    --secondary: #e8853d;      /* 暖橙色 - 强调色 */
    --accent: #f0c27a;        /* 浅金 - 点缀 */
    --light: #f7f5f2;         /* 暖灰白背景 */
    --dark: #2d3748;          /* 深色文字 */
    --text: #555555;           /* 正文文字 */
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #1a2744 0%, #2a3a5c 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.logo span {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.02em;
}

.nav-menu {
    display: flex;
    gap: 28px;
}

.nav-menu a {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    padding: 4px 0;
    transition: color 0.3s ease;
}

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

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

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

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

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transition: all 0.3s ease;
}

/* ============================================
   首屏 Hero - 左右分割
   ============================================ */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    padding-top: 64px;
}

/* 左半：品牌文字 */
.hero-left {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 48px;
    position: relative;
    overflow: hidden;
}

.hero-left::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(232,133,61,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-left-content {
    position: relative;
    z-index: 2;
    max-width: 440px;
    animation: fadeInLeft 0.8s ease-out;
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-24px); }
    to   { opacity: 1; transform: translateX(0); }
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 5px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-heading {
    margin-bottom: 16px;
}

.hero-cn {
    display: block;
    font-size: clamp(3rem, 5.5vw, 5rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.05;
    letter-spacing: 0.02em;
}

.hero-en {
    display: block;
    font-size: clamp(1rem, 1.8vw, 1.5rem);
    font-weight: 300;
    color: rgba(255,255,255,0.5);
    letter-spacing: 8px;
    margin-top: 6px;
}

.hero-product {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.9;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* 右半：海报轮播 */
.hero-right {
    position: relative;
    overflow: hidden;
    background:  var(--gradient-primary);
}

.poster-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.poster-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.poster-slide.active {
    opacity: 1;
}

.poster-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.poster-dots {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.poster-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.4s ease;
    border: none;
    padding: 0;
}

.poster-dot.active {
    background: var(--white);
    width: 22px;
    border-radius: 3px;
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(232,133,61,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232,133,61,0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.6);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

/* 渠道按钮 */
.btn-channel {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    background: var(--light);
    color: var(--primary);
}

.btn-channel:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-wechat {
    background: var(--white);
    color: var(--primary);
}

/* ============================================
   通用区块样式
   ============================================ */
.section {
    padding: 72px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 52px;
}

.section-tag {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 3px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.01em;
}

.section-desc {
    font-size: 1rem;
    color: var(--text);
    max-width: 560px;
    margin: 0 auto;
    opacity: 0.8;
}

/* ============================================
   品牌故事
   ============================================ */
.brand-section {
    background: var(--light);
}

.brand-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.brand-image {
    position: relative;
}

.brand-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    width: 100%;
}

.brand-image-frame {
    position: absolute;
    top: 16px;
    left: 16px;
    right: -16px;
    bottom: -16px;
    border: 2px solid var(--secondary);
    border-radius: var(--border-radius);
    z-index: -1;
}

.brand-text h3 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.brand-text p {
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
}

.brand-highlight {
    display: flex;
    gap: 16px;
    margin: 28px 0;
    padding: 24px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.highlight-item {
    text-align: center;
    flex: 1;
}

.highlight-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.2;
}

.highlight-label {
    font-size: 0.82rem;
    color: var(--text);
    opacity: 0.8;
}

.brand-authority {
    padding: 14px 18px;
    background: rgba(26,39,68,0.04);
    border-left: 3px solid var(--secondary);
    border-radius: 0 8px 8px 0;
    margin-top: 20px;
    font-size: 0.95rem;
}

.brand-authority strong {
    color: var(--primary);
}

.brand-contact {
    margin-top: 14px;
    font-size: 1rem;
    color: var(--secondary);
    font-weight: 600;
}

/* ============================================
   产品展示
   ============================================ */
.product-section {
    background: var(--white);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 72px;
}

.product-main {
    position: relative;
}

.product-image-wrapper {
    position: relative;
    background: linear-gradient(135deg, #f5f0eb 0%, #ece6df 100%);
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--shadow-md);
}

.product-main-img {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    transition: transform 0.5s ease;
}

.product-image-wrapper:hover .product-main-img {
    transform: scale(1.04);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--secondary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.product-info h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 6px;
    font-weight: 700;
}

.product-subtitle {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 24px;
    opacity: 0.8;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--light);
    border-radius: 24px;
    font-size: 0.9rem;
}

.feature-icon {
    font-size: 1.05rem;
}

.product-highlight-box {
    background: rgba(26,39,68,0.03);
    border-radius: var(--border-radius);
    padding: 20px 24px;
    margin-bottom: 28px;
    border: 1px solid rgba(26,39,68,0.08);
}

.product-highlight-box h4 {
    color: var(--primary);
    margin-bottom: 14px;
    font-size: 1rem;
    font-weight: 600;
}

.product-highlight-box ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-highlight-box li {
    padding-left: 20px;
    position: relative;
    font-size: 0.92rem;
    line-height: 1.6;
}

.product-highlight-box li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 产品图库 */
.gallery-title {
    text-align: center;
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 36px;
    font-weight: 600;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.06);
}

/* ============================================
   购买渠道
   ============================================ */
.buy-section {
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.buy-channels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.channel-card {
    background: var(--white);
    border-radius: 16px;
    padding: 36px 24px;
    text-align: center;
    img-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.channel-card img {
    display: inline-block;
    margin: 0 auto 16px;
    max-width: auto;
    height: auto;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.channel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--secondary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.channel-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.channel-card:hover::before {
    transform: scaleX(1);
}

.channel-official {
    background: var(--gradient-primary);
    color: var(--white);
}

.channel-official::before {
    background: var(--secondary);
}

.channel-official h3,
.channel-official .channel-desc {
    color: var(--white);
}

.channel-badge {
    position: absolute;
    top: 14px;
    right: -28px;
    background: var(--secondary);
    color: var(--white);
    padding: 4px 36px;
    font-size: 0.7rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.channel-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    text-align: center;
}

.channel-card h3 {
    font-size: 1.15rem;
    color: var(--primary);
    margin-bottom: 6px;
    font-weight: 700;
}

.channel-desc {
    font-size: 0.9rem;
    color: var(--text);
    margin-bottom: 12px;
    opacity: 0.8;
}

.channel-tag {
    display: inline-block;
    background: rgba(26,39,68,0.08);
    color: var(--primary);
    padding: 3px 14px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.channel-official .channel-tag {
    background: rgba(255,255,255,0.18);
    color: var(--white);
}

.channel-official .btn-channel {
    background: rgba(255,255,255,0.95);
    color: var(--primary);
}

/* 其他平台 */
.other-platforms {
    text-align: center;
    margin-top: 52px;
    padding: 36px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.other-platforms h4 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 14px;
    font-weight: 600;
}

.other-platforms p {
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.platform-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.platform-tag {
    background: rgba(26,39,68,0.06);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(26,39,68,0.1);
}

/* ============================================
   招募代理
   ============================================ */
.agent-section {
    background: var(--gradient-primary);
    color: var(--white);
}

.agent-section .section-title,
.agent-section .section-tag,
.agent-section .section-desc {
    color: var(--white);
}

.agent-section .section-tag {
    opacity: 0.8;
}

.agent-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.agent-info h3 {
    font-size: 1.35rem;
    margin-bottom: 20px;
    margin-top: 36px;
    font-weight: 600;
}

.agent-info h3:first-child {
    margin-top: 0;
}

.agent-types {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.agent-type {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: rgba(255,255,255,0.1);
    border-radius: 14px;
}

.type-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.agent-type h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    font-weight: 600;
}

.agent-type p {
    font-size: 0.85rem;
    opacity: 0.8;
}

.agent-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: rgba(255,255,255,0.08);
    border-radius: 14px;
}

.benefit-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1;
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
    font-weight: 600;
}

.benefit-item p {
    font-size: 0.82rem;
    opacity: 0.8;
}

.agent-contact {
    margin-top: 36px;
    padding: 22px;
    background: rgba(255,255,255,0.1);
    border-radius: 14px;
    text-align: center;
}

.agent-contact p {
    margin-bottom: 6px;
}

.contact-phone {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
}

.agent-cta {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.cta-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 36px;
    background: linear-gradient(to top, rgba(26,39,68,0.95) 0%, rgba(26,39,68,0.4) 60%, transparent 100%);
}

.cta-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 6px;
    font-weight: 700;
}

.cta-overlay p {
    font-size: 1rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* ============================================
   联系我们
   ============================================ */
.contact-section {
    background: var(--light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: var(--white);
    padding: 28px 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.contact-icon {
    font-size: 2.8rem;
    margin-bottom: 14px;
}

.contact-card h3 {
    font-size: 1.15rem;
    color: var(--primary);
    margin-bottom: 6px;
    font-weight: 600;
}

.phone-num {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--secondary);
}

.contact-note {
    font-size: 0.82rem;
    color: var(--text);
    opacity: 0.7;
    margin-top: 6px;
}

/* 客服二维码 */
.qrcode-section {
    display: flex;
    justify-content: center;
    padding-top: 20px;
}

.qrcode-card {
    background: var(--white);
    padding: 36px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 380px;
    width: 100%;
}

.qrcode-card h4 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 600;
}

.qrcode-placeholder {
    background: linear-gradient(135deg, #f5f0eb, #ece6df);
    border: 2px dashed #ccc;
    border-radius: 14px;
    padding: 36px;
    margin-bottom: 16px;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-placeholder-text {
    color: var(--text);
    opacity: 0.6;
}

.qrcode-placeholder-text p {
    margin-bottom: 6px;
}

.qrcode-placeholder-text .small {
    font-size: 0.82rem;
}

.qrcode-tip {
    font-size: 0.9rem;
    color: var(--secondary);
    font-weight: 500;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 56px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 36px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-logo {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid var(--secondary);
}

.footer-brand h4 {
    font-size: 1.2rem;
    margin-bottom: 4px;
    font-weight: 700;
}

.footer-brand p {
    opacity: 0.7;
    font-size: 0.88rem;
}

.footer-links {
    display: flex;
    gap: 52px;
}

.footer-col h5 {
    font-size: 0.95rem;
    margin-bottom: 14px;
    color: var(--secondary);
    font-weight: 600;
}

.footer-col a {
    display: block;
    font-size: 0.88rem;
    opacity: 0.7;
    margin-bottom: 8px;
    transition: opacity 0.3s ease;
}

.footer-col a:hover {
    opacity: 1;
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-bottom p {
    font-size: 0.82rem;
    opacity: 0.6;
    margin-bottom: 6px;
}

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

/* 平板端 */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr 1fr;
    }

    .hero-left {
        padding: 48px 32px;
    }

    .brand-content,
    .product-showcase,
    .agent-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 36px;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

/* 手机端 */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        max-height: 360px;
    }

    .nav-menu a {
        display: block;
        padding: 14px 20px;
        border-bottom: 1px solid #eee;
    }

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

    .section {
        padding: 56px 0;
    }

    /* Hero：手机端上下堆叠 */
    .hero {
        grid-template-columns: 1fr;
        grid-template-rows: auto 50vh;
        min-height: auto;
    }

    .hero-left {
        padding: 64px 24px 48px;
    }

    .hero-left-content {
        max-width: 100%;
    }

    .hero-right {
        min-height: 50vh;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        text-align: center;
    }

    .brand-highlight {
        flex-direction: column;
        gap: 14px;
    }

    .buy-channels {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .gallery-item img {
        height: 140px;
    }

    .agent-benefits {
        grid-template-columns: 1fr;
    }

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

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

/* 小屏手机 */
@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }

    .hero-cn {
        font-size: 2.4rem;
    }

    .hero-desc {
        font-size: 0.88rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .gallery-item img {
        height: 110px;
    }

    .contact-card {
        padding: 24px 18px;
    }

    .qrcode-card {
        padding: 28px 18px;
    }
}

/* ============================================
   动画（克制使用）
   ============================================ */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* 图库预览遮罩 */
.gallery-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.gallery-overlay img {
    max-width: 88%;
    max-height: 88%;
    object-fit: contain;
    border-radius: 8px;
}

.gallery-overlay .close-btn {
    position: absolute;
    top: 20px;
    right: 28px;
    font-size: 40px;
    color: white;
    cursor: pointer;
    line-height: 1;
}

/* Safari兼容性 */
@supports (-webkit-backdrop-filter: blur(10px)) {
    .navbar {
        -webkit-backdrop-filter: blur(10px);
    }
}