/* 引入科技感字体 */
.speaking-hero {
    background: linear-gradient(135deg, #130f40 0%, #30336b 100%);
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
}

.tech-badge {
    display: inline-block;
    background: rgba(108, 92, 231, 0.2);
    border: 1px solid rgba(108, 92, 231, 0.5);
    color: #a29bfe;
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 0.8rem;
    margin-bottom: 20px;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

.speaking-hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(108, 92, 231, 0.6);
    margin-bottom: 20px;
}

.hero-data-row {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
}

.data-point {
    text-align: center;
}

.data-point .num {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #00cec9;
    font-family: 'Orbitron', sans-serif;
}

.data-point .label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: #fdfbf7;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #2d3436;
}

.feature-list li {
    margin-bottom: 10px;
    font-size: 1rem;
    color: #636e72;
}

.feature-list i {
    color: #00b894;
    margin-right: 10px;
}

/* UI Mockup */
.ui-mockup {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    border: 1px solid #eee;
    width: 100%;
    max-width: 500px;
}

.mock-sentence {
    font-size: 1.5rem;
    font-family: 'Georgia', serif;
    margin-bottom: 20px;
    line-height: 1.6;
}

.word { position: relative; cursor: help; padding: 2px 4px; border-radius: 4px; }
.word.green { color: #00b894; }
.word.red { color: #d63031; background: rgba(214, 48, 49, 0.1); }
.word.yellow { color: #f1c40f; background: rgba(241, 196, 15, 0.1); }

.mock-score {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.mock-score strong { font-size: 1.8rem; color: #6c5ce7; }

/* Rank Badges */
.rank-badges {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.rank {
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
}

.rank.bronze { background: #cd7f32; }
.rank.gold { background: #f1c40f; }
.rank.diamond { background: #74b9ff; }
.rank.challenger { background: linear-gradient(45deg, #e17055, #d63031); }

/* Method Steps */
.method-section {
    background: #2d3436;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.method-section h2 { color: #fff; margin-bottom: 10px; }
.method-section .subtitle { color: #b2bec3; margin-bottom: 60px; }

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

.step-card {
    background: rgba(255,255,255,0.05);
    padding: 40px 20px;
    border-radius: 10px;
    position: relative;
}

.step-num {
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255,255,255,0.05);
    position: absolute;
    top: 10px; right: 20px;
}

.step-card h4 { font-size: 1.5rem; color: #00cec9; margin-bottom: 15px; }
.step-card p { color: #b2bec3; font-size: 0.95rem; }

/* Footer CTA */
.speaking-footer {
    background: #130f40;
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.btn-glow {
    display: inline-block;
    padding: 15px 40px;
    background: #6c5ce7;
    color: #fff;
    border-radius: 50px;
    font-weight: 700;
    margin-top: 30px;
    box-shadow: 0 0 20px rgba(108, 92, 231, 0.5);
    transition: all 0.3s;
}

.btn-glow:hover {
    background: #5649c0;
    box-shadow: 0 0 40px rgba(108, 92, 231, 0.8);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .feature-row, .feature-row.reverse { flex-direction: column; gap: 40px; }
    .steps-grid { grid-template-columns: 1fr; }
    .speaking-hero h1 { font-size: 2.5rem; }
    .hero-data-row { flex-direction: column; gap: 20px; }
}