.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Hero banner ── */
.hero {
    position: relative;
    color: #fff;
    padding: 88px 0 96px;
    text-align: left;
    background: #0a1628 center center / cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(8, 18, 36, 0.82) 0%, rgba(8, 18, 36, 0.45) 55%, rgba(8, 18, 36, 0.2) 100%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0;
    text-align: left;
}

.hero h1 {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 22px;
    letter-spacing: -0.02em;
}

.hero-accent {
    color: var(--brand-blue, #1a6fd4);
}

.hero p {
    font-size: 18px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 36px;
    max-width: 520px;
}

.btn {
    display: inline-block;
    background: var(--brand-blue, #1a6fd4);
    color: #fff;
    padding: 14px 28px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s;
}

.btn:hover {
    background: var(--brand-blue-dark, #1558aa);
}

.btn:active {
    transform: scale(0.98);
}

.hero .btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 34px;
    background: #0159ab;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.01em;
    line-height: 1;
    box-shadow: none;
    transition: background 0.2s ease;
}

.hero .btn-hero:hover {
    background: #014a94;
}

/* ── EN hero：参照原图布局 ── */
.hero-ref {
    min-height: clamp(380px, 42vw, 480px);
    padding: 64px 0 72px;
}

.hero-ref::before {
    background: linear-gradient(
        90deg,
        rgba(8, 18, 36, 0.62) 0%,
        rgba(8, 18, 36, 0.28) 38%,
        rgba(8, 18, 36, 0.05) 100%
    );
}

.hero-ref .hero-inner {
    max-width: 580px;
    margin: 0;
    padding-top: 4px;
    text-align: left;
}

.hero-ref .hero-title {
    font-size: clamp(34px, 4.5vw, 56px);
    font-weight: 700;
    line-height: 1.16;
    margin-bottom: 22px;
    letter-spacing: -0.02em;
}

.hero-ref .hero-title-line {
    display: block;
}

.hero-ref .hero-desc {
    font-size: 17px;
    line-height: 1.72;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 34px;
    max-width: 500px;
}

@media (max-width: 768px) {
    .hero-ref {
        min-height: 360px;
        padding: 48px 0 56px;
    }

    .hero-ref .hero-title {
        font-size: 30px;
    }

    .hero-ref .hero-desc {
        font-size: 15px;
    }
}

/* ── Features ── */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--brand-text, #1e293b);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--brand-text, #1e293b);
}

.feature-card p {
    color: var(--brand-muted, #64748b);
    font-size: 15px;
    line-height: 1.65;
}

/* ── Pricing ── */
.pricing {
    padding: 100px 0;
    background: #fff;
}

.pricing h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--brand-text, #1e293b);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: #f8fafc;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--brand-blue, #1a6fd4);
}

.pricing-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.pricing-card .price {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--brand-blue, #1a6fd4);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.pricing-card ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: var(--brand-muted, #64748b);
}

.pricing-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--brand-blue, #1a6fd4);
    font-weight: 700;
}

.pricing-email-note {
    margin-top: 28px;
    text-align: center;
    font-size: 15px;
    color: var(--brand-muted, #64748b);
}

.pricing-email-note a {
    color: var(--brand-blue, #1a6fd4);
    font-weight: 600;
    text-decoration: none;
}

.pricing-email-note a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero {
        padding: 64px 0 72px;
    }

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

    .features h2,
    .pricing h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .feature-card,
    .pricing-card {
        padding: 28px;
    }
}