/* ==========================================
   AI智能记账 — 产品宣传页
   ========================================== */

.landing-page {
    --lp-primary: #0369a1;
    --lp-primary-dark: #0c4a6e;
    --lp-accent: #0d9488;
    --lp-gradient: #0369a1;
    --lp-hero-bg: #0369a1;
    --lp-glow: 0 24px 60px rgba(3, 105, 161, 0.18);
    background: #fff;
    color: #0f172a;
    font-family: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.landing-page * { box-sizing: border-box; }

.lp-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 32px;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.lp-nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 18px;
    color: #0f172a;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.lp-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.lp-nav-links a {
    color: #64748b;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}

.lp-nav-links a:hover { color: var(--lp-primary); }

.lp-nav-actions { display: flex; gap: 10px; align-items: center; }

.lp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.18s;
    font-family: inherit;
}

.lp-btn-ghost {
    background: transparent;
    color: #475569;
    border: 1px solid #e2e8f0;
}

.lp-btn-ghost:hover { background: #f8fafc; color: #0f172a; }

.lp-btn-primary {
    background: var(--lp-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(3, 105, 161, 0.25);
}

.lp-btn-primary:hover {
    background: #0284c7;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(3, 105, 161, 0.3);
}

.lp-btn-accent {
    background: linear-gradient(135deg, #7c3aed, #6366f1);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.lp-btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }

.lp-hero {
    position: relative;
    padding: 72px 32px 80px;
    background: var(--lp-hero-bg);
    color: white;
    overflow: hidden;
}

.lp-hero::before {
    display: none;
}

.lp-hero-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.lp-promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    animation: pulseGlow 2.5s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.2); }
    50% { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
}

.lp-promo-badge i { color: #fde68a; }

.lp-hero h1 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.lp-hero-lead {
    font-size: 18px;
    line-height: 1.75;
    color: rgba(255,255,255,0.88);
    margin-bottom: 28px;
    max-width: 540px;
}

.lp-hero-hooks {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.lp-hook-tag {
    padding: 6px 12px;
    background: rgba(255,255,255,0.12);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.15);
}

.lp-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.lp-hero-note {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-top: 16px;
}

.lp-hero-visual {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
    box-shadow: var(--lp-glow);
}

.lp-mock-header {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.lp-mock-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.3); }
.lp-mock-dot:first-child { background: #fca5a5; }
.lp-mock-dot:nth-child(2) { background: #fde68a; }
.lp-mock-dot:nth-child(3) { background: #86efac; }

.lp-mock-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.lp-mock-stat {
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 14px;
}

.lp-mock-stat-val {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 22px;
    font-weight: 800;
}

.lp-mock-stat-label { font-size: 11px; opacity: 0.75; margin-top: 2px; }

.lp-mock-bar {
    height: 8px;
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
    overflow: hidden;
    margin-top: 8px;
}

.lp-mock-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #34d399, #60a5fa);
}

.lp-trust-bar {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 20px 32px;
}

.lp-trust-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 32px 48px;
}

.lp-trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #475569;
    font-weight: 500;
}

.lp-trust-item strong { color: var(--lp-primary); font-size: 18px; }

.lp-section {
    padding: 80px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.lp-section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}

.lp-section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--lp-primary);
    background: #e0f2fe;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.lp-section-header h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    color: #0f172a;
}

.lp-section-header p {
    font-size: 16px;
    color: #64748b;
    line-height: 1.7;
}

.lp-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.lp-feature-card {
    padding: 28px 24px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: white;
    transition: all 0.2s;
}

.lp-feature-card:hover {
    border-color: #bae6fd;
    box-shadow: var(--lp-glow);
    transform: translateY(-4px);
}

.lp-feature-card.highlight {
    border-color: #bae6fd;
    background: linear-gradient(180deg, #f0f9ff 0%, #fff 100%);
}

.lp-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    margin-bottom: 16px;
}

.lp-feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0f172a;
}

.lp-feature-card p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.65;
    margin-bottom: 12px;
}

.lp-feature-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--lp-accent);
    background: #ecfdf5;
    padding: 3px 8px;
    border-radius: 4px;
}

/* 【开发中】标签 */
.lp-dev-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: #b45309;
    background: #fffbeb;
    border: 1px solid #fde68a;
    padding: 1px 7px;
    border-radius: 4px;
    margin-left: 4px;
    vertical-align: middle;
    white-space: nowrap;
}

.lp-dev-tag--sm { font-size: 10px; padding: 1px 5px; }
.lp-dev-tag--light { background: rgba(255,251,235,0.25); border-color: rgba(253,230,138,0.5); color: #fde68a; }
.lp-dev-tag--dark { background: rgba(255,251,235,0.15); border-color: rgba(253,230,138,0.35); color: #fde68a; }

.lp-dev-legend {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    margin-bottom: 28px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 12px;
    font-size: 13px;
    color: #92400e;
    line-height: 1.65;
}

.lp-dev-legend i { margin-top: 3px; flex-shrink: 0; }

.lp-price-features li.is-dev,
.lp-agency-features li.is-dev {
    color: #94a3b8;
}

.lp-price-features li.is-dev i,
.lp-agency-features li.is-dev i {
    color: #cbd5e1;
}

.lp-compare-section {
    background: #0f172a;
    color: white;
    padding: 80px 32px;
}

.lp-compare-inner { max-width: 1200px; margin: 0 auto; }

.lp-compare-section .lp-section-header h2 { color: white; }
.lp-compare-section .lp-section-header p { color: #94a3b8; }
.lp-compare-section .lp-section-eyebrow { background: rgba(255,255,255,0.1); color: #7dd3fc; }

.lp-compare-table-wrap {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
}

.lp-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.lp-compare-table th,
.lp-compare-table td {
    padding: 14px 18px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.lp-compare-table th {
    background: rgba(255,255,255,0.05);
    font-weight: 600;
    color: #94a3b8;
    font-size: 12px;
}

.lp-compare-table th:first-child,
.lp-compare-table td:first-child { text-align: left; }

.lp-compare-table td:first-child { color: #e2e8f0; font-weight: 500; }

.lp-compare-table .col-us {
    background: rgba(3, 105, 161, 0.2);
    color: #7dd3fc;
    font-weight: 700;
}

.lp-compare-table tr:last-child td { border-bottom: none; }

.lp-check { color: #34d399; }
.lp-cross { color: #64748b; opacity: 0.5; }

.lp-pricing-section { background: #f8fafc; padding: 80px 32px; }

.lp-pricing-inner { max-width: 1200px; margin: 0 auto; }

.lp-pricing-banner {
    text-align: center;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #fcd34d;
    border-radius: 16px;
    padding: 16px 24px;
    margin-bottom: 40px;
    font-size: 15px;
    font-weight: 600;
    color: #92400e;
}

.lp-pricing-banner i { margin-right: 8px; }

.lp-billing-toggle-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px 24px;
    margin-bottom: 32px;
}

.lp-billing-label {
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
}

.lp-billing-toggle {
    display: inline-flex;
    background: #e2e8f0;
    border-radius: 999px;
    padding: 4px;
    border: 1px solid #cbd5e1;
}

.lp-billing-opt {
    position: relative;
    border: none;
    background: transparent;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.18s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lp-billing-opt.active {
    background: white;
    color: var(--lp-primary);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.lp-save-badge {
    font-size: 10px;
    font-weight: 700;
    background: #dcfce7;
    color: #15803d;
    padding: 2px 7px;
    border-radius: 999px;
}

.lp-billing-hint {
    font-size: 13px;
    color: #94a3b8;
    width: 100%;
    text-align: center;
}

@media (min-width: 768px) {
    .lp-billing-hint { width: auto; text-align: left; }
}

.lp-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: stretch;
}

.lp-pricing-grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

.lp-price-vs-ref {
    font-size: 12px;
    color: #047857;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    padding: 8px 10px;
    border-radius: 8px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.lp-price-vs-ref i { margin-right: 4px; }

.lp-price-original {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 16px;
    line-height: 1.5;
    min-height: 36px;
}

.lp-price-original strong { color: #059669; }

.lp-pricing-agency {
    margin-top: 24px;
    background: #0369a1;
    border-radius: 20px;
    padding: 32px 36px;
    color: white;
}

.lp-agency-content {
    display: grid;
    grid-template-columns: 1.2fr auto 1fr auto;
    gap: 24px;
    align-items: center;
}

.lp-agency-content h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 22px;
    font-weight: 800;
    margin: 8px 0;
}

.lp-agency-content p { font-size: 14px; opacity: 0.85; line-height: 1.6; }

.lp-agency-content .lp-price-name { color: #7dd3fc; }

.lp-agency-content .lp-price-num { color: white; }
.lp-agency-content .lp-price-currency { color: white; }
.lp-agency-content .lp-price-unit { color: rgba(255,255,255,0.7); }

.lp-agency-content .lp-price-vs-ref {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.2);
    color: white;
}

.lp-agency-features {
    list-style: none;
    font-size: 13px;
}

.lp-agency-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    opacity: 0.9;
}

.lp-agency-features i { color: #6ee7b7; }

.lp-pricing-agency .lp-btn-primary {
    background: white;
    color: var(--lp-primary-dark);
    white-space: nowrap;
}

.lp-price-compare-box {
    margin-top: 48px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 28px 32px;
}

.lp-price-compare-box h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #0f172a;
}

.lp-price-compare-box h3 i { color: var(--lp-primary); margin-right: 8px; }

.lp-price-compare-table-wrap { overflow-x: auto; }

.lp-price-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.lp-price-compare-table th,
.lp-price-compare-table td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid #f1f5f9;
}

.lp-price-compare-table th {
    background: #f8fafc;
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
}

.lp-price-compare-table th:first-child,
.lp-price-compare-table td:first-child { text-align: left; }

.lp-price-compare-table .col-us {
    background: #f0f9ff;
    color: var(--lp-primary);
    font-weight: 700;
}

.lp-price-compare-table .highlight-row td { background: #fffbeb; }
.lp-price-compare-table .highlight-row .col-us { background: #e0f2fe; }

.lp-price-compare-note {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 14px;
    line-height: 1.6;
}

.lp-price-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.2s;
}

.lp-price-card:hover { box-shadow: var(--lp-glow); }

.lp-price-card.featured {
    border-color: var(--lp-primary);
    box-shadow: var(--lp-glow);
    transform: scale(1.03);
}

.lp-price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    white-space: nowrap;
}

.lp-price-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--lp-primary);
    margin-bottom: 8px;
}

.lp-price-card h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 8px;
}

.lp-price-desc {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.lp-price-amount {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 4px;
}

.lp-price-currency { font-size: 18px; font-weight: 700; color: #0f172a; }
.lp-price-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 42px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.03em;
}
.lp-price-unit { font-size: 14px; color: #64748b; }

.lp-price-features {
    list-style: none;
    flex: 1;
    margin-bottom: 24px;
}

.lp-price-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #475569;
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9;
}

.lp-price-features li:last-child { border-bottom: none; }

.lp-price-features i {
    color: var(--lp-accent);
    margin-top: 3px;
    flex-shrink: 0;
}

.lp-price-features .disabled { color: #cbd5e1; }
.lp-price-features .disabled i { color: #cbd5e1; }

.lp-services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.lp-service-card {
    display: flex;
    gap: 18px;
    padding: 24px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: white;
    transition: all 0.2s;
}

.lp-service-card:hover {
    border-color: #bae6fd;
    box-shadow: 0 8px 24px rgba(3, 105, 161, 0.08);
}

.lp-service-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: #e0f2fe;
    color: var(--lp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.lp-service-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.lp-service-card p { font-size: 14px; color: #64748b; line-height: 1.65; margin-bottom: 10px; }
.lp-service-price { font-size: 15px; font-weight: 700; color: var(--lp-primary); }

.lp-cta-section {
    background: var(--lp-gradient);
    color: white;
    padding: 72px 32px;
    text-align: center;
}

.lp-cta-section h2 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.lp-cta-section p {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.lp-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.lp-cta-section .lp-btn-primary {
    background: white;
    color: var(--lp-primary-dark);
}

.lp-cta-section .lp-btn-ghost {
    border-color: rgba(255,255,255,0.4);
    color: white;
}

.lp-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.lp-faq-item {
    padding: 20px 22px;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: white;
}

.lp-faq-item h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0f172a;
}

.lp-faq-item p { font-size: 14px; color: #64748b; line-height: 1.65; }

.lp-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 48px 32px 32px;
}

.lp-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.lp-footer-brand {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
}

.lp-footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 16px; }

.lp-footer-col h5 {
    color: white;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 14px;
}

.lp-footer-col a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 8px;
    transition: color 0.15s;
}

.lp-footer-col a:hover { color: white; }

.lp-footer-bottom {
    max-width: 1200px;
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
    text-align: center;
}

@media (max-width: 1200px) {
    .lp-pricing-grid-5 { grid-template-columns: repeat(3, 1fr); }
    .lp-agency-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1024px) {
    .lp-hero-inner { grid-template-columns: 1fr; }
    .lp-hero-visual { display: none; }
    .lp-features-grid { grid-template-columns: repeat(2, 1fr); }
    .lp-pricing-grid,
    .lp-pricing-grid-5 { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .lp-price-card.featured { transform: none; }
    .lp-agency-content { grid-template-columns: 1fr; text-align: center; }
    .lp-agency-features { text-align: left; }
    .lp-footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .lp-nav-links { display: none; }
    .lp-features-grid,
    .lp-services-grid,
    .lp-faq-grid { grid-template-columns: 1fr; }
    .lp-section { padding: 56px 20px; }
    .lp-hero { padding: 48px 20px 56px; }
    .lp-footer-inner { grid-template-columns: 1fr; }
}