/* 小豆包国际货�?- 年轻化UI设计 */

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #f472b6;
    --accent: #22d3ee;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #f472b6 0%, #fb7185 100%);
    --gradient-3: linear-gradient(135deg, #22d3ee 0%, #34d399 100%);
    --dark: #1e1b4b;
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6b7280;
    --gray-300: #d1d5db;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    overflow-x: hidden;
}

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

/* 导航�?- 玻璃拟�?*/
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    -webkit-text-fill-color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-menu a.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.15);
}

.nav-cta {
    background: var(--gradient-1) !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: 0.3s;
}

/* Hero区域 - 现代渐变 */
.hero {
    min-height: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    position: relative;
    display: flex;
    align-items: center;
    padding: 120px 0 120px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero h1 span {
    background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
}

.btn-gradient {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

/* Hero右侧装饰 */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 0;
    right: 0;
    width: 280px;
    animation-delay: 0s;
}

.card-2 {
    top: 180px;
    left: 0;
    width: 240px;
    animation-delay: 2s;
}

.card-3 {
    bottom: 0;
    right: 40px;
    width: 200px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.floating-card .icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.floating-card h4 {
    font-size: 1.1rem;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.floating-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* 服务国家 */
.countries {
    padding: 100px 0;
    background: var(--gray-100);
}

.countries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.country-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.country-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.country-card .flag {
    width: 50px;
    height: 35px;
    border-radius: 4px;
    margin: 0 auto 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* 澳洲国旗 - 蓝底米字 */
.flag-au {
    background: linear-gradient(135deg, #012169 0%, #012169 100%);
    position: relative;
}
.flag-au::after {
    content: '★';
    position: absolute;
    color: white;
    font-size: 12px;
    right: 8px;
    top: 5px;
}

/* 日本国旗 - 白底红圆 */
.flag-jp {
    background: white;
    position: relative;
}
.flag-jp::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #BC002D;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 美国国旗 - 蓝底白条 */
.flag-us {
    background: linear-gradient(to bottom, #B22234 0%, #B22234 15%, white 15%, white 30%, #B22234 30%, #B22234 45%, white 45%, white 60%, #B22234 60%, #B22234 75%, white 75%, white 90%, #B22234 90%);
    position: relative;
}
.flag-us::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 18px;
    background: #3C3B6E;
    top: 0;
    left: 0;
}

/* 英国国旗 - 蓝底米字 */
.flag-gb {
    background: #012169;
    position: relative;
}
.flag-gb::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 6px;
    background: white;
    top: 50%;
    transform: translateY(-50%);
}
.flag-gb::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 100%;
    background: white;
    left: 50%;
    transform: translateX(-50%);
}

/* 加拿大国旗 - 红白枫叶 */
.flag-ca {
    background: linear-gradient(to right, #FF0000 0%, #FF0000 25%, white 25%, white 75%, #FF0000 75%);
    position: relative;
}
.flag-ca::after {
    content: '🍁';
    position: absolute;
    font-size: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 新加坡国旗 - 红白 */
.flag-sg {
    background: linear-gradient(to bottom, #ED2939 0%, #ED2939 50%, white 50%);
    position: relative;
}
.flag-sg::after {
    content: '★';
    position: absolute;
    color: white;
    font-size: 10px;
    left: 8px;
    top: 6px;
}

/* 德国国旗 - 黑红黄 */
.flag-de {
    background: linear-gradient(to bottom, #000000 0%, #000000 33%, #DD0000 33%, #DD0000 66%, #FFCE00 66%);
}

/* 法国国旗 - 蓝白红 */
.flag-fr {
    background: linear-gradient(to right, #0055A4 0%, #0055A4 33%, white 33%, white 66%, #EF4135 66%);
}

.country-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.country-card .price {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.country-card .price span {
    font-size: 0.875rem;
    font-weight: 500;
    -webkit-text-fill-color: var(--gray-500);
}

/* 服务流程 */
.process {
    padding: 100px 0;
    background: white;
}

.process-steps {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    position: relative;
}

.step:not(:last-child) .step-number::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: calc(100% + 30px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    transform: translateY(-50%);
}

.step h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.step p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* 服务优势 */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--gray-100) 0%, white 100%);
}

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

.feature-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 24px;
    position: relative;
}

.feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #f472b6 0%, #fb7185 100%);
    color: white;
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #22d3ee 0%, #34d399 100%);
    color: white;
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: white;
}

.feature-card:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    color: white;
}

.feature-card:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
    color: white;
}

.feature-card h3 {
    font-size: 1.35rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--gray-500);
    line-height: 1.8;
}

/* CTA区域 */
.cta {
    padding: 100px 0;
    background: var(--gradient-1);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: move 20s linear infinite;
}

@keyframes move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.cta .container {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 40px;
}

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

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

.footer-brand .logo {
    color: white;
    -webkit-text-fill-color: white;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    max-width: 300px;
}

.footer h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: white;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* 运费计算器页�?*/
.calculator-section {
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.calculator-container {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 200px 40px 15px;
    display: flex;
    flex-direction: column;
    gap: 1px;
    align-items: center;
}

.calculator-card {
    background: white;
    border-radius: 16px;
    padding: 35px 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 700px;
    margin-top: 0;
}

.calculator-card h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 35px;
    color: var(--gray-900);
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 1.05rem;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1.05rem;
    transition: all 0.3s;
    background: white;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.dimension-hint {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 8px;
}

.calculate-btn {
    width: 100%;
    padding: 18px;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.result-card {
    margin-top: 32px;
    padding: 32px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    color: white;
    border-radius: var(--radius-lg);
    display: none;
}

.result-card.show {
    display: block;
    animation: slideUp 0.5s ease;
}

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

.result-card h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    text-align: center;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    line-height: 1.4;
    flex-wrap: wrap;
    gap: 5px;
}

.result-item:last-child {
    border-bottom: none;
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 10px;
    padding-top: 15px;
    border-top: 2px solid rgba(255, 255, 255, 0.2);
    color: #fcd34d;
}

.notice-section {
    margin: 0;
    padding: 30px 25px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 700px;
    overflow: hidden;
    margin-bottom: 1px;
}

.notice-section h3 {
    color: var(--gray-900);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.notice-section ul {
    margin-left: 15px;
    color: var(--gray-600);
    font-size: 0.8rem;
    line-height: 1.4;
}

.notice-section li {
    margin-bottom: 6px;
    font-size: 0.8rem;
    line-height: 1.4;
}

.notice-section li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.notice-section li strong {
    color: var(--gray-900);
}

/* 违禁品提�?*/
.notice-section.danger {
    border-left-color: var(--error);
    background: linear-gradient(135deg, #fef2f2 0%, white 100%);
    margin-top: 1px;
}

.notice-section.danger h3 {
    color: var(--error);
}

.notice-section.danger ul {
    color: #991b1b;
}

/* 响应式设�?- 手机端保持多列布局 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 15px 20px;
        gap: 0;
        box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        border-top: 1px solid #f0f0f0;
    }

    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid #f5f5f5;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        display: block;
        padding: 15px 0;
        font-size: 1rem;
        border-radius: 0;
    }
    
    .nav-menu a:hover {
        background: transparent;
        color: var(--primary);
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

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

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .hero-visual {
        position: relative;
        height: 200px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 20px;
        margin-top: 30px;
    }

    .floating-card {
        position: relative;
        width: 150px;
        padding: 20px;
        animation: float 6s ease-in-out infinite;
        margin: 0;
    }

    .floating-card .icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .card-1 { 
        position: relative; 
        top: -30px; 
        right: auto; 
        animation-delay: 0s;
    }
    .card-2 { 
        position: relative; 
        top: 20px; 
        right: auto; 
        animation-delay: 2s;
    }
    .card-3 { 
        position: relative; 
        top: -20px; 
        right: auto; 
        animation-delay: 4s;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    /* 国家卡片 - 手机端保�?�?*/
    .countries-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 10px;
    }

    .country-card {
        padding: 15px 10px;
    }

    .country-card .flag {
        font-size: 2rem;
    }

    .country-card h3 {
        font-size: 0.8rem;
    }

    .country-card .price {
        font-size: 1rem;
    }

    .country-card .price span {
        font-size: 0.7rem;
    }

    /* 服务流程 - 手机端保持横向滚�?*/
    .process-steps {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 20px;
        justify-content: flex-start;
        gap: 15px;
    }

    .step {
        min-width: 120px;
        flex: 0 0 auto;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .step:not(:last-child) .step-number::after {
        display: none;
    }

    /* 服务优势 - 手机端保�?�?*/
    .features-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 10px;
    }

    .feature-card {
        padding: 15px 10px;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .feature-card h3 {
        font-size: 0.75rem;
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 0.65rem;
        line-height: 1.5;
    }

    /* 页脚 - 手机端保�?�?*/
    .footer-content {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 10px;
        text-align: left;
    }

    .footer-brand {
        text-align: left;
    }

    .footer h4 {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }

    .footer-links a,
    .footer-contact p {
        font-size: 0.65rem;
    }

    .footer-social a {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .footer-brand p {
        max-width: 100%;
    }

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

    .form-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .form-row input {
        padding: 12px;
        font-size: 0.9rem;
    }

    .calculator-card {
        padding: 24px;
        margin: 0 10px;
    }

    .calculator-container {
        padding: 0 10px;
    }

    .notice-section {
        padding: 20px;
        margin: 20px 10px;
    }

    .container {
        padding: 0 15px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .cta h2 {
        font-size: 1.75rem;
    }

    .cta p {
        font-size: 1rem;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}


/* ��Ӧʽ���?- �ֻ�������Զ���ȫһ��?*/
@media (max-width: 768px) {
    /* ֻ���������˵����ƶ������� */
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
    }

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

    .hamburger {
        display: flex;
    }

    /* ����������ʽ�̳е��Զˣ������κθ��� */
    /* �����ֻ��˻���ʾ�͵��Զ���ȫһ���IJ��֣���Ҫ�������?*/
}




/* ��Ӧʽ���?- �ֻ���100%��ԭ���Զ� */
@media (max-width: 768px) {
    /* ֻ���������˵����ƶ������� */
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
    }

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

    .hamburger {
        display: flex;
    }

    /* ����������ʽ��ȫ�̳е��Զˣ������κθ��� */
}
/* ��Ӧʽ���?- �ֻ��˱��ֵ��Զ˺��򲼾� */
@media (max-width: 768px) {
    /* �����˵� */
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
    }

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

    .hamburger {
        display: flex;
    }

    /* Hero���� - ���ֺ������в��� */
    .hero {
        padding: 100px 0 80px;
        min-height: auto;
    }

    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .hero-content {
        text-align: left;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 16px;
    }

    .hero-desc {
        font-size: 0.85rem;
        margin-bottom: 24px;
    }

    .hero-buttons {
        justify-content: flex-start;
        gap: 12px;
    }

    .btn {
        padding: 10px 18px;
        font-size: 0.8rem;
    }

    /* �Ҳม����Ƭ */
    .hero-visual {
        position: relative;
        height: 320px;
        display: block;
    }

    .floating-card {
        position: absolute;
        width: 160px;
        padding: 16px;
        animation: float 6s ease-in-out infinite;
    }

    .floating-card .icon {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .floating-card h4 {
        font-size: 0.85rem;
        margin-bottom: 4px;
    }

    .floating-card p {
        font-size: 0.65rem;
    }

    .card-1 { 
        top: 0; 
        right: 0; 
        animation-delay: 0s;
    }
    .card-2 { 
        top: 100px; 
        left: 0; 
        animation-delay: 2s;
    }
    .card-3 { 
        bottom: 20px; 
        right: 10px; 
        animation-delay: 4s;
    }

    /* ���ҿ�Ƭ - 4�� */
    .countries-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 12px;
    }

    .country-card {
        padding: 20px 10px;
    }

    .country-card .flag {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .country-card h3 {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }

    .country-card .price {
        font-size: 1.1rem;
    }

    /* �������� - ���� */
    .process-steps {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
        flex-wrap: nowrap;
        overflow-x: auto;
    }

    .step {
        min-width: 120px;
        max-width: 160px;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-bottom: 16px;
    }

    .step h3 {
        font-size: 0.9rem;
    }

    .step p {
        font-size: 0.75rem;
    }

    /* �������� - 4�� */
    .features-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 12px;
    }

    .feature-card {
        padding: 20px 12px;
    }

    .feature-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .feature-card h3 {
        font-size: 0.8rem;
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 0.7rem;
        line-height: 1.5;
    }

    /* ҳ�� - 4�� */
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 20px;
    }

    .footer h4 {
        font-size: 0.85rem;
        margin-bottom: 16px;
    }

    .footer-links a,
    .footer-contact p {
        font-size: 0.75rem;
    }

    .footer-social a {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    /* �������� */
    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .container {
        padding: 0 15px;
    }
}