:root {
    --primary-color: #1a6fb5;
    --primary-dark: #14568c;
    --accent-color: #0e8a7d;
    --text-dark: #1c2b38;
    --text-light: #5a6b7a;
    --bg-light: #f5f8fb;
    --white: #ffffff;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}
a {
    text-decoration: none;
    color: inherit;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================= 顶部导航栏 (完美修复版) ================= */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    position: relative; 
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
}
.logo span {
    color: var(--primary-color);
}

/* 电脑端：强制隐藏汉堡菜单 */
.menu-toggle {
    display: none; 
}

/* 电脑端：正常显示横向导航 */
nav {
    display: flex;
    align-items: center;
}
nav a {
    margin-left: 30px;
    font-weight: 500;
    color: var(--text-light);
    transition: color 0.3s;
}
nav a:hover {
    color: var(--primary-color);
}
.btn-nav {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 6px;
}
.btn-nav:hover {
    background-color: var(--primary-dark);
}
/* ======================================================== */

/* HERO 带有图片背景 */
.hero {
    background: linear-gradient(135deg, #0f2a43 0%, #1a6fb5 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}
.hero-with-bg {
    background: linear-gradient(135deg, rgba(15, 42, 67, 0.85) 0%, rgba(26, 111, 181, 0.75) 100%), url('5.jpg') center/cover no-repeat;
    padding: 140px 0;
}
.hero-content h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-content .highlight {
    color: #7fd4c8;
}
.hero-content p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 40px auto;
    opacity: 0.9;
}
.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}
.btn {
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.btn-primary {
    background-color: var(--white);
    color: var(--primary-color);
}
.btn-secondary {
    background-color: transparent;
    border: 2px solid rgba(255,255,255,0.6);
    color: var(--white);
}
.btn-secondary:hover {
    border-color: var(--white);
}
.trust-bar {
    background-color: var(--bg-light);
    padding: 30px 0;
    border-bottom: 1px solid #e2e9f0;
}
.trust-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
    flex-wrap: wrap;
    gap: 15px;
}
.trust-grid strong {
    display: block;
    font-size: 1.8rem;
    color: var(--primary-color);
}
.trust-grid span {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}
footer {
    background-color: #0f2a43;
    color: var(--white);
    padding-top: 60px;
    padding-bottom: env(safe-area-inset-bottom);
}
.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}
.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}
.footer-info p {
    color: #a0b2c0;
    margin-bottom: 10px;
}
.footer-info a {
    color: var(--white);
    text-decoration: underline;
}
.footer-links h4 {
    margin-bottom: 15px;
}
.footer-links a {
    display: block;
    color: #a0b2c0;
    margin-bottom: 10px;
    transition: color 0.3s;
}
.footer-links a:hover {
    color: var(--white);
}
.footer-bottom {
    background-color: #0a1c2d;
    text-align: center;
    padding: 20px 0;
    color: #738b9f;
    font-size: 0.9rem;
}

/* ===== Content pages ===== */
.page-header {
    padding: 80px 20px;
    text-align: center;
    color: #fff;
}
.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.page-header.blue { background: #0f2a43; }
.page-header.green { background: #0e8a7d; }
.page-header.dark { background: #0a1c2d; }

.content-section {
    padding: 60px 20px;
    max-width: 800px;
    margin: 0 auto;
}
.content-section h2 {
    color: var(--primary-color);
    margin: 30px 0 15px;
}
.content-section p {
    margin-bottom: 15px;
    color: var(--text-light);
}
.content-section ul {
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--text-light);
}
.content-section li {
    margin-bottom: 8px;
}

/* ===== New sections ===== */
.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 40px;
}
.section-title.light {
    color: #fff;
}

/* Why Us */
.why-us {
    padding: 80px 20px;
}
.why-image-wrapper {
    text-align: center;
    margin-bottom: 40px;
}
.feature-img {
    width: 100%;
    max-width: 900px;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.why-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}
.why-card .icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.why-card h3 {
    margin-bottom: 10px;
    color: var(--text-dark);
}
.why-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* VISA & COMPLIANCE */
.compliance-section {
    padding: 40px 20px;
}
.compliance-box {
    background: #1c2b38;
    color: #fff;
    padding: 40px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    border-left: 6px solid #d97706;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.compliance-text {
    flex: 1;
}
.compliance-text h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #fcd34d;
}
.compliance-text p {
    color: #d1dce5;
    margin-bottom: 15px;
    font-size: 1.05rem;
}
.compliance-text strong {
    color: #fff;
}
.compliance-badge {
    text-align: center;
    background: rgba(255,255,255,0.05);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    min-width: 160px;
}
.compliance-badge strong {
    display: block;
    font-size: 2.5rem;
    color: #fcd34d;
    line-height: 1.1;
}
.compliance-badge span {
    font-size: 0.85rem;
    color: #a0b2c0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Costs & Other Fees */
.costs {
    padding: 80px 20px;
}
.cost-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}
.cost-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border-top: 4px solid var(--primary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.cost-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.cost-item strong {
    display: block;
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}
.cost-item p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

.other-fees-box {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-color);
}
.other-fees-box h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}
.fee-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 30px;
    margin-bottom: 15px;
}
.fee-list span {
    background: var(--white);
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid #cfd8e0;
    font-size: 0.9rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.fee-list span em {
    color: var(--text-light);
    font-style: normal;
    font-size: 0.85rem;
}
.fee-note {
    font-size: 0.85rem;
    color: var(--text-light);
    border-top: 1px dashed #cfd8e0;
    padding-top: 15px;
    line-height: 1.5;
}

.personal-prep-box {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 25px;
}
.personal-prep-box h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #92400e;
}
.personal-prep-box p {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.total-cost-box {
    background: linear-gradient(135deg, #0f2a43 0%, #1a6fb5 100%);
    color: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 25px;
    box-shadow: 0 8px 20px rgba(15, 42, 67, 0.15);
}
.total-cost-box h3 {
    font-size: 1.3rem;
    color: #fcd34d;
    margin-bottom: 10px;
}
.total-cost-box p {
    font-size: 0.95rem;
    color: #d1dce5;
    margin-bottom: 15px;
}
.total-amount {
    margin: 20px 0;
}
.total-amount .rmb {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}
.total-amount .usd {
    font-size: 1.1rem;
    color: #7fd4c8;
    font-weight: 600;
}
.total-cost-box .total-note {
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    margin-bottom: 0;
    text-align: left;
    line-height: 1.5;
}

.halal-note {
    background: #e6f5f2;
    padding: 15px 20px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    color: var(--text-dark);
}

/* How it works */
.how-it-works {
    background: #0f2a43;
    padding: 80px 20px;
}
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.step {
    text-align: center;
    color: #fff;
}
.step-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
    margin: 0 auto 15px;
}
.step h4 {
    margin-bottom: 8px;
}
.step p {
    font-size: 0.9rem;
    color: #a0b2c0;
}

.timeline {
    border-left: 3px solid var(--accent-color);
    padding-left: 25px;
    margin: 30px 0;
}
.tl-item {
    margin-bottom: 20px;
    position: relative;
}
.tl-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-color);
}
.tl-item strong {
    display: block;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.accompany-note {
    background: #e6f5f2;
    border-left: 4px solid var(--accent-color);
    padding: 15px 20px;
    border-radius: 8px;
    color: var(--text-dark);
    font-weight: 600;
    margin: 0 0 25px;
}

.cta-box {
    background: #f5f8fb;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    margin-top: 40px;
    border: 1px solid #e2e9f0;
}
.cta-box h3 {
    margin-bottom: 15px;
    color: #1c2b38;
}
.cta-box.green {
    background: #e6f5f2;
    border-color: #cfe9e3;
}
.cta-btn {
    display: inline-block;
    background: #1a6fb5;
    color: white;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 15px;
    cursor: pointer;
    transition: background 0.3s;
    word-break: break-all;
}
.cta-btn:hover {
    background: var(--primary-dark);
}
.cta-btn.green {
    background: #0e8a7d;
}

.qualify-table {
    border: 1px solid #e2e9f0;
    border-radius: 12px;
    overflow: hidden;
    margin: 20px 0 30px;
}
.qualify-row {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
}
.qualify-row > div {
    padding: 14px 20px;
    border-bottom: 1px solid #e2e9f0;
    font-size: 0.95rem;
}
.qualify-row.header > div {
    background: var(--bg-light);
    font-weight: 700;
}
.qualify-row:last-child > div {
    border-bottom: none;
}

.flow {
    margin: 30px 0;
}
.flow-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    align-items: flex-start;
}
.flow-item span {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}
.flow-item h4 {
    margin-bottom: 5px;
}

.transparency-box {
    background: #fff8e6;
    border-left: 4px solid #e6a817;
    padding: 25px;
    border-radius: 8px;
    margin: 30px 0;
}
.transparency-box h3 {
    margin-bottom: 10px;
    color: #8a6d00;
}

.warning-box {
    background: #fff4e5;
    border-left: 4px solid #d97706;
    padding: 25px;
    border-radius: 8px;
    margin: 30px 0;
}
.warning-box h3 {
    margin-bottom: 10px;
    color: #92400e;
}
.warning-box p {
    color: var(--text-dark);
    margin-bottom: 10px;
}
.warning-box ul {
    margin: 10px 0 10px 20px;
    padding-left: 0;
    color: var(--text-dark);
}
.warning-box li {
    margin-bottom: 6px;
}

.apply-section {
    padding: 80px 20px;
    background: var(--bg-light);
}
.apply-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
}

.email-contact-box {
    max-width: 800px; 
    margin: 0 auto; 
    background: var(--white); 
    padding: 40px; 
    border-radius: 12px; 
    border: 1px solid #e2e9f0; 
    box-shadow: 0 4px 20px rgba(0,0,0,0.03); 
    text-align: center;
}
.email-inner-box {
    background: var(--bg-light); 
    padding: 30px; 
    border-radius: 8px; 
    margin-bottom: 30px; 
    border-left: 4px solid var(--primary-color); 
    text-align: left;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.form-row label {
    display: flex;
    flex-direction: column;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    gap: 6px;
}
.form-row input,
.form-row select {
    padding: 10px 12px;
    border: 1px solid #cfd8e0;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-dark);
    background: var(--white);
}
.form-row input:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26,111,181,0.12);
}
.form-submit {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
}
.form-submit:hover {
    background-color: var(--primary-dark);
}

.form-disclaimer {
    max-width: 760px;
    margin: 15px auto 0;
    text-align: center;
    font-size: 0.85rem;
    color: #7f8c8d;
    line-height: 1.4;
}

/* =========================================================
   手机端专属适配
   ========================================================= */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: 15px 0;
        padding-right: 20px; /* 汉堡菜单往里缩 */
    }
    
    /* 手机端：隐藏横向导航 */
    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        background-color: var(--white);
        margin-top: 15px;
        border-top: 1px solid #e2e9f0;
        padding-top: 10px;
    }

    /* 手机端：展开后的导航状态 */
    nav.active {
        display: flex;
    }

    nav a {
        margin: 10px 0;
        padding: 10px;
        text-align: center;
        font-size: 1.1rem;
        border-bottom: 1px solid #f5f8fb;
        margin-left: 0;
    }

    .btn-nav {
        margin-top: 15px;
        width: 100%;
        text-align: center;
        margin-left: 0;
    }

    /* 手机端：显示汉堡菜单 */
    .menu-toggle {
        display: block;
        font-size: 1.8rem;
        cursor: pointer;
        color: var(--text-dark);
        user-select: none;
        padding: 5px;
    }

    .why-grid, .steps, .services {
        grid-template-columns: 1fr;
    }
    .feature-img {
        height: 200px;
    }
    .cost-grid {
        grid-template-columns: 1fr;
    }
    .fee-list {
        flex-direction: column;
        gap: 10px;
    }
    .total-amount .rmb {
        font-size: 1.8rem;
    }
    .fee-list span {
        font-size: 0.85rem;
        padding: 8px 12px;
    }
    .compare-row {
        grid-template-columns: 1fr;
    }
    .qualify-row {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    .compliance-box {
        flex-direction: column;
        text-align: center;
    }

    /* 手机端 Email 区域卡片化 */
    .email-contact-box {
        padding: 20px 15px;
    }
    
    .email-inner-box {
        border-left: none;
        border-radius: 12px;
        background: #f5f8fb;
        padding: 20px;
        margin-bottom: 25px;
    }
    
    .email-inner-box h3 {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }
    
    .email-inner-box p {
        font-size: 0.95rem;
        line-height: 1.5;
    }
}