/* ================================
   F2P DIAMOND SAVING STRATEGY
   ================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.hero {
    position: relative;
    background: linear-gradient(135deg, #0a0e16 0%, #020408 100%);
    padding: 100px 24px 80px;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(46, 204, 113, 0.08), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-label {
    font-size: 0.7rem;
    letter-spacing: 4px;
    color: var(--f2p-green);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, var(--f2p-green));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #8a94a8;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--f2p-green);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.75rem;
    color: #6a7080;
    margin-top: 8px;
}

.section-label {
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--f2p-green);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.section-desc {
    font-size: 0.95rem;
    color: #8a94a8;
    margin-bottom: 40px;
}

.income-section {
    margin-bottom: 80px;
}

.income-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.income-card {
    background: var(--f2p-bg-card);
    border: 1px solid var(--f2p-border);
    border-radius: 20px;
    padding: 20px;
    transition: all 0.2s;
}

.income-card:hover {
    border-color: var(--f2p-green);
    transform: translateY(-2px);
}

.income-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.income-name {
    font-weight: 700;
    margin-bottom: 8px;
}

.income-amount {
    font-size: 0.85rem;
    color: var(--f2p-green);
    font-weight: 600;
}

.income-total {
    font-size: 0.75rem;
    color: #6a7080;
    margin: 8px 0;
}

.income-bar {
    background: #1e232e;
    border-radius: 10px;
    height: 6px;
    margin: 12px 0;
    overflow: hidden;
}

.income-fill {
    background: var(--f2p-green);
    height: 100%;
    border-radius: 10px;
}

.income-note {
    font-size: 0.7rem;
    color: #6a7080;
    margin-top: 8px;
}

.income-total-box {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(0,0,0,0.3));
    border: 1px solid var(--f2p-green);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
}

.total-label {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--f2p-green);
    margin-bottom: 8px;
}

.total-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.total-pulls {
    font-size: 1.2rem;
    color: var(--f2p-green);
    margin: 10px 0;
}

.total-note {
    font-size: 0.8rem;
    color: #8a94a8;
}

.calculator-section {
    margin-bottom: 80px;
}

.calculator-card {
    background: var(--f2p-bg-card);
    border: 1px solid var(--f2p-border);
    border-radius: 24px;
    padding: 30px;
}

.calc-input-group {
    margin-bottom: 30px;
}

.calc-label {
    font-size: 0.85rem;
    color: #8a94a8;
    margin-bottom: 8px;
}

.calc-input {
    width: 100%;
    max-width: 300px;
    background: #1a1f2a;
    border: 1px solid var(--f2p-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: #fff;
    font-size: 1.2rem;
    font-family: monospace;
}

.calc-input:focus {
    outline: none;
    border-color: var(--f2p-green);
}

.calc-hint {
    font-size: 0.7rem;
    color: #6a7080;
    margin-top: 6px;
}

.calc-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.calc-result-item {
    background: #0a0e16;
    border-radius: 16px;
    padding: 15px;
    text-align: center;
}

.result-label {
    display: block;
    font-size: 0.7rem;
    color: #8a94a8;
    margin-bottom: 8px;
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--f2p-green);
}

.calc-progress {
    margin-top: 20px;
}

.progress-label {
    font-size: 0.7rem;
    color: #8a94a8;
    margin-bottom: 8px;
}

.progress-bar-bg {
    background: #1e232e;
    border-radius: 20px;
    height: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    background: linear-gradient(90deg, var(--f2p-green), var(--f2p-blue));
    height: 100%;
    width: 0%;
    transition: width 0.3s;
    border-radius: 20px;
}

.checklist-section {
    margin-bottom: 80px;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 20px;
}

.checklist-card {
    background: var(--f2p-bg-card);
    border: 1px solid var(--f2p-border);
    border-radius: 20px;
    overflow: hidden;
}

.checklist-header {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(0,0,0,0.3));
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--f2p-border);
    flex-wrap: wrap;
}

.checklist-icon {
    font-size: 1.3rem;
}

.checklist-title {
    font-weight: 600;
    flex: 1;
}

.checklist-value {
    font-size: 0.75rem;
    color: var(--f2p-green);
    font-weight: 600;
}

.checklist-items {
    padding: 10px 0;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.checklist-item:hover {
    background: rgba(255,255,255,0.03);
}

.checklist-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: #6a7080;
    border: 1px solid #6a7080;
    transition: all 0.2s;
}

.checklist-check.checked {
    background: var(--f2p-green);
    border-color: var(--f2p-green);
    color: #000;
}

.checklist-text {
    flex: 1;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.checklist-text.completed {
    text-decoration: line-through;
    color: #6a7080;
}

.checklist-diamonds {
    font-size: 0.75rem;
    color: var(--f2p-green);
    font-family: monospace;
}

.checklist-progress {
    padding: 12px 20px;
    border-top: 1px solid var(--f2p-border);
    font-size: 0.7rem;
    color: #8a94a8;
    display: flex;
    justify-content: space-between;
}

.reset-btn-container {
    text-align: center;
    margin-top: 20px;
}

.reset-btn {
    background: transparent;
    border: 1px solid var(--f2p-border);
    padding: 8px 20px;
    border-radius: 30px;
    color: #8a94a8;
    cursor: pointer;
    transition: all 0.2s;
}

.reset-btn:hover {
    border-color: var(--f2p-orange);
    color: var(--f2p-orange);
}

.tips-section {
    margin-bottom: 80px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.tip-card {
    background: var(--f2p-bg-card);
    border: 1px solid var(--f2p-border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.2s;
}

.tip-card:hover {
    border-color: var(--f2p-orange);
    transform: translateX(4px);
}

.tip-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--f2p-orange);
    opacity: 0.5;
    margin-bottom: 12px;
}

.tip-title {
    font-weight: 700;
    margin-bottom: 8px;
}

.tip-desc {
    font-size: 0.85rem;
    color: #8a94a8;
    line-height: 1.5;
}

.faq-section {
    margin-bottom: 80px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.faq-item {
    background: var(--f2p-bg-card);
    border: 1px solid var(--f2p-border);
    border-radius: 16px;
    padding: 20px;
}

.faq-question {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--f2p-blue);
}

.faq-answer {
    font-size: 0.85rem;
    color: #8a94a8;
    line-height: 1.5;
}

/* ============================================ */
/* 结论 */
/* ============================================ */
.conclusion-section {
    margin-bottom: 60px;
}

.conclusion-box {
    background: linear-gradient(135deg, var(--f2p-bg-card), #0a0e16);
    border: 1px solid var(--f2p-border);
    border-radius: 24px;
    padding: 30px;
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.conclusion-icon {
    font-size: 3rem;
}

.conclusion-text {
    flex: 1;
}

.conclusion-text p {
    margin-bottom: 16px;
    line-height: 1.6;
}

.conclusion-signature {
    font-style: italic;
    color: var(--f2p-green);
    margin-top: 16px;
}

.share-links {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--f2p-border);
}

.share-links span {
    font-size: 0.75rem;
    color: #8a94a8;
    margin-right: 12px;
}

.share-links a {
    color: var(--f2p-green);
    text-decoration: none;
    font-size: 0.75rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-stats {
        gap: 30px;
    }
    .hero-stat-number {
        font-size: 2rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .total-number {
        font-size: 2.5rem;
    }
    .checklist-grid {
        grid-template-columns: 1fr;
    }
    .tips-grid {
        grid-template-columns: 1fr;
    }
    .faq-grid {
        grid-template-columns: 1fr;
    }
    .conclusion-box {
        flex-direction: column;
        text-align: center;
    }
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 20px;
    }
}

.copy-link-btn {
    background: transparent;
    border: 1px solid var(--f2p-green, #2ecc71);
    padding: 6px 16px;
    border-radius: 30px;
    color: var(--f2p-green, #2ecc71);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.copy-link-btn:hover {
    background: var(--f2p-green, #2ecc71);
    color: #000;
}