/* ===== LANDING PAGE — 巡迹官网设计方案 ===== */
/* Scoped under .landing-page to avoid conflicts with app.css */

.landing-page {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #0b0f1a;
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* ===== NAV ===== */
.landing-page nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 16px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(11,15,26,.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,240,255,.12);
}

.landing-page .logo-png {
    display: flex;
    align-items: center;
    gap: 10px;
}
.landing-page .logo-png img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}
.landing-page .logo-png .brand {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 4px;
    color: #00f0ff;
    text-shadow: 0 0 16px rgba(0,240,255,.3);
}

.landing-page .nav-links {
    display: flex;
    flex-direction: row;
    gap: 32px;
    align-items: center;
    flex: none;
    padding: 0;
}

.landing-page .nav-links a {
    color: rgba(255,255,255,.7);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color .2s;
    position: relative;
}
.landing-page .nav-links a:hover { color: #fff; }
.landing-page .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0; right: 0;
    height: 2px;
    border-radius: 1px;
    background: linear-gradient(90deg, #00f0ff, #a855f7);
    transform: scaleX(0);
    transition: transform .2s;
}
.landing-page .nav-links a:hover::after { transform: scaleX(1); }

.landing-page .nav-ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 12px;
    background: rgba(0,240,255,.12);
    border: 1px solid rgba(0,240,255,.25);
    font-size: 12px;
    color: #22d3ee;
}

.landing-page .nav-btns {
    display: flex;
    gap: 12px;
}

.landing-page .btn-outline {
    padding: 8px 22px;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 8px;
    background: transparent;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    transition: .3s;
    text-decoration: none;
    display: inline-block;
}
.landing-page .btn-outline:hover {
    border-color: #00f0ff;
    background: rgba(0,240,255,.08);
}

.landing-page .btn-primary {
    padding: 8px 22px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #00f0ff, #6366f1);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: .3s;
    text-decoration: none;
    display: inline-block;
}
.landing-page .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0,240,255,.35);
}

/* ===== HERO ===== */
.landing-page .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 60px 80px;
    position: relative;
    overflow: hidden;
}

.landing-page .hero-glow-1 {
    position: absolute;
    top: -30%; right: -10%;
    width: 60%; height: 100%;
    background: radial-gradient(ellipse at center, rgba(0,240,255,.12), transparent 70%);
    pointer-events: none;
}
.landing-page .hero-glow-2 {
    position: absolute;
    bottom: -20%; left: -5%;
    width: 40%; height: 70%;
    background: radial-gradient(ellipse at center, rgba(99,102,241,.1), transparent 70%);
    pointer-events: none;
}
.landing-page .hero-glow-3 {
    position: absolute;
    top: 10%; left: 30%;
    width: 30%; height: 50%;
    background: radial-gradient(ellipse at center, rgba(168,85,247,.06), transparent 60%);
    pointer-events: none;
}

.landing-page .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.landing-page .hero-left { max-width: 580px; }

.landing-page .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(0,240,255,.1);
    border: 1px solid rgba(0,240,255,.25);
    font-size: 13px;
    color: #22d3ee;
    margin-bottom: 24px;
}
.landing-page .hero-badge .pulse {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #00f0ff;
    animation: landing-pulse 2s infinite;
}
@keyframes landing-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,240,255,.6); }
    50% { opacity: .7; box-shadow: 0 0 0 8px rgba(0,240,255,0); }
}

.landing-page .hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
    color: #fff;
}
.landing-page .gradient-text {
    background: linear-gradient(135deg, #00f0ff, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-page .hero p {
    font-size: 18px;
    color: rgba(255,255,255,.55);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 500px;
}

.landing-page .hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}
.landing-page .hero-actions .btn-primary {
    padding: 14px 36px;
    font-size: 16px;
}
.landing-page .hero-actions .btn-outline {
    padding: 14px 28px;
    font-size: 16px;
}

.landing-page .hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,.06);
}
.landing-page .hero-stat {
    text-align: center;
}
.landing-page .hero-stat .num {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}
.landing-page .hero-stat .num .accent {
    color: #a855f7;
}
.landing-page .hero-stat .num .cyan {
    color: #06b6d4;
}
.landing-page .hero-stat .num .green {
    color: #10b981;
}
.landing-page .hero-stat .lbl {
    font-size: 12px;
    color: rgba(255,255,255,.4);
    margin-top: 4px;
}
.landing-page .hero-stat .ai-tag {
    display: inline-block;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(124,58,237,.2);
    color: #a855f7;
    margin-top: 4px;
}

/* ---- Hero Right: AI 分析面板 ---- */
.landing-page .hero-right { position: relative; }

.landing-page .ai-panel {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(0,240,255,.18);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 0 40px rgba(0,240,255,.08);
    position: relative;
    overflow: hidden;
}
.landing-page .ai-panel::before {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(124,58,237,.06), transparent 60%);
    pointer-events: none;
}

.landing-page .ai-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.landing-page .ai-panel-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,.8);
    display: flex;
    align-items: center;
    gap: 8px;
}
.landing-page .ai-panel-header .status {
    font-size: 11px;
    color: #22c55e;
    display: flex;
    align-items: center;
    gap: 4px;
}
.landing-page .ai-panel-header .status .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #22c55e;
    animation: landing-pulse 2s infinite;
}

.landing-page .ai-analysis-item {
    padding: 14px;
    border-radius: 10px;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.06);
    margin-bottom: 12px;
    transition: .3s;
}
.landing-page .ai-analysis-item:hover {
    border-color: rgba(124,58,237,.3);
    background: rgba(124,58,237,.04);
}
.landing-page .ai-analysis-item .top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.landing-page .ai-analysis-item .name {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,.8);
}
.landing-page .ai-analysis-item .confidence {
    font-size: 12px;
    font-weight: 600;
}
.landing-page .ai-analysis-item .confidence.high { color: #22c55e; }
.landing-page .ai-analysis-item .confidence.medium { color: #f59e0b; }
.landing-page .ai-analysis-item .confidence.low { color: #ef4444; }

.landing-page .ai-analysis-item .detail {
    display: flex;
    gap: 12px;
    align-items: center;
}
.landing-page .ai-analysis-item .detail .tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
}
.landing-page .ai-analysis-item .detail .tag.danger { background: rgba(239,68,68,.15); color: #fca5a5; }
.landing-page .ai-analysis-item .detail .tag.ok { background: rgba(34,197,94,.15); color: #86efac; }
.landing-page .ai-analysis-item .detail .tag.warn { background: rgba(245,158,11,.15); color: #fde68a; }

.landing-page .ai-analysis-item .detail .suggestion {
    font-size: 11px;
    color: rgba(255,255,255,.4);
}

.landing-page .ai-panel-footer {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.landing-page .ai-panel-footer .ai-summary {
    font-size: 12px;
    color: rgba(255,255,255,.4);
}
.landing-page .ai-panel-footer .ai-summary strong {
    color: #a855f7;
}
.landing-page .ai-panel-footer .ai-link {
    font-size: 12px;
    color: #a855f7;
    text-decoration: none;
}

/* ===== SECTION COMMON ===== */
.landing-page section {
    padding: 100px 60px;
    max-width: 1280px;
    margin: 0 auto;
}

.landing-page .section-title {
    text-align: center;
    margin-bottom: 60px;
}
.landing-page .section-title .section-ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(0,240,255,.08);
    border: 1px solid rgba(0,240,255,.18);
    font-size: 12px;
    color: #22d3ee;
    margin-bottom: 16px;
}
.landing-page .section-title h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -1px;
    color: #fff;
}
.landing-page .section-title h2 .gradient {
    background: linear-gradient(135deg, #00f0ff, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.landing-page .section-title p {
    color: rgba(255,255,255,.5);
    font-size: 16px;
    max-width: 550px;
    margin: 0 auto;
}

/* ===== FEATURES ===== */
.landing-page .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.landing-page .feature-card {
    padding: 32px;
    border-radius: 14px;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.06);
    transition: .4s;
    position: relative;
    overflow: hidden;
}
.landing-page .feature-card.ai-enhanced {
    border-color: rgba(0,240,255,.12);
}
.landing-page .feature-card.ai-enhanced::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00f0ff, transparent);
}
.landing-page .feature-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,.05);
    box-shadow: 0 20px 48px rgba(0,0,0,.3);
}
.landing-page .feature-card.ai-enhanced:hover {
    border-color: rgba(0,240,255,.35);
    box-shadow: 0 20px 48px rgba(0,240,255,.08);
}

.landing-page .feature-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
}
.landing-page .feature-icon.purple { background: rgba(124,58,237,.15); }
.landing-page .feature-icon.blue { background: rgba(79,70,229,.15); }
.landing-page .feature-icon.teal { background: rgba(6,182,212,.15); }
.landing-page .feature-icon.green { background: rgba(16,185,129,.15); }
.landing-page .feature-icon.amber { background: rgba(245,158,11,.15); }
.landing-page .feature-icon.rose { background: rgba(244,63,94,.15); }

.landing-page .feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
}
.landing-page .feature-card .ai-chip {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(0,240,255,.15);
    color: #22d3ee;
    font-weight: 500;
}
.landing-page .feature-card p {
    font-size: 14px;
    color: rgba(255,255,255,.5);
    line-height: 1.7;
}

/* ===== AI CAPABILITIES (三大AI核心引擎) ===== */
.landing-page #ai-capabilities {
    position: relative;
}
.landing-page #ai-capabilities::before {
    content: '';
    position: absolute;
    top: -20%; left: 50%;
    width: 60%;
    height: 140%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(124,58,237,.06), transparent 70%);
    pointer-events: none;
}

.landing-page .ai-visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}
.landing-page .ai-v-card {
    position: relative;
    padding: 40px 32px;
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(255,255,255,0.015), rgba(99,102,241,0.02));
    border: 1px solid rgba(255,255,255,0.04);
    overflow: hidden;
    transition: all .3s;
}
.landing-page .ai-v-card:hover {
    border-color: rgba(99,102,241,0.12);
    transform: translateY(-4px);
    box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}
.landing-page .ai-v-card .bg-glow {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.05;
}
.landing-page .ai-v-card:hover .bg-glow { opacity: 0.12; }
.landing-page .ai-v-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
    background: linear-gradient(135deg, rgba(0,240,255,0.06), rgba(99,102,241,0.06));
    border: 1px solid rgba(0,240,255,0.06);
}
.landing-page .ai-v-icon svg {
    width: 26px;
    height: 26px;
}
.landing-page .ai-v-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}
.landing-page .ai-v-card p {
    font-size: 14px;
    color: rgba(255,255,255,.5);
    margin-bottom: 20px;
    line-height: 1.7;
}
.landing-page .ai-v-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.landing-page .ai-v-tags span {
    padding: 3px 12px;
    border-radius: 100px;
    font-size: 11px;
    border: 1px solid rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.4);
}
.landing-page .ai-v-tags span.highlight {
    color: #00f0ff;
    border-color: rgba(0,240,255,0.08);
}

/* ===== SCENARIOS ===== */
.landing-page .scenarios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.landing-page .scenario-card {
    padding: 40px 32px;
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
    border: 1px solid rgba(255,255,255,.06);
    text-align: center;
}
.landing-page .scenario-icon { font-size: 48px; margin-bottom: 16px; }
.landing-page .scenario-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; color: #fff; }
.landing-page .scenario-card p { font-size: 14px; color: rgba(255,255,255,.5); line-height: 1.7; }
.landing-page .scenario-tags {
    display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 20px;
}
.landing-page .scenario-tags span {
    padding: 4px 12px; border-radius: 6px; font-size: 12px;
    background: rgba(124,58,237,.12); color: #c084fc;
}

/* ===== PRICING ===== */
.landing-page .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.landing-page .pricing-card {
    padding: 40px 32px;
    border-radius: 14px;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.06);
    position: relative;
    text-align: center;
    transition: .4s;
}
.landing-page .pricing-card:hover { transform: translateY(-4px); }
.landing-page .pricing-card.popular {
    border-color: #7c3aed;
    background: rgba(124,58,237,.06);
}
.landing-page .pricing-card.popular::before {
    content: '✨ AI 增强版 · 最受欢迎';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 18px;
    border-radius: 20px;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.landing-page .pricing-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; color: #fff; }
.landing-page .pricing-card .price {
    font-size: 48px; font-weight: 800; margin: 16px 0 6px; color: #fff;
}
.landing-page .pricing-card .price small {
    font-size: 16px; font-weight: 400; color: rgba(255,255,255,.4);
}
.landing-page .pricing-card .price-desc {
    font-size: 13px; color: rgba(255,255,255,.4); margin-bottom: 24px;
}
.landing-page .pricing-features {
    list-style: none; text-align: left; margin-bottom: 28px; padding: 0;
}
.landing-page .pricing-features li {
    padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.04);
    font-size: 14px; color: rgba(255,255,255,.7);
    display: flex; align-items: center; gap: 10px;
}
.landing-page .pricing-features li::before {
    content: '✓'; color: #10b981; font-weight: 700;
}
.landing-page .pricing-features .ai-feature::after {
    content: 'AI';
    font-size: 10px; padding: 1px 6px; border-radius: 4px;
    background: rgba(0,240,255,.15); color: #22d3ee; margin-left: auto;
    font-weight: 500;
}
.landing-page .pricing-card .btn-primary,
.landing-page .pricing-card .btn-outline { width: 100%; padding: 12px; font-size: 15px; }

/* ===== HOW IT WORKS ===== */
.landing-page .steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}
.landing-page .steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, rgba(124,58,237,.4), rgba(79,70,229,.4), rgba(6,182,212,.4));
}
.landing-page .step-card { text-align: center; position: relative; }
.landing-page .step-num {
    width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px; font-size: 22px; font-weight: 700;
    color: #fff;
}
.landing-page .step-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; color: #fff; }
.landing-page .step-card p { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.6; }

/* ===== FOOTER (simplified) ===== */
.landing-page footer {
    padding: 48px 60px;
    border-top: 1px solid rgba(255,255,255,0.04);
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
}
.landing-page footer .f-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.landing-page footer .f-logo svg {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}
.landing-page footer .f-logo .f-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg,#00f0ff,#a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}
.landing-page footer .f-info {
    font-size: 13px;
    color: rgba(226,232,240,0.3);
    text-decoration: none;
    transition: color .2s;
}
.landing-page footer .f-info:hover { color: #00f0ff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .landing-page nav { padding: 16px 24px; }
    .landing-page .nav-links { display: none; }
    .landing-page .hero { padding: 100px 24px 60px; }
    .landing-page .hero-grid { grid-template-columns: 1fr; }
    .landing-page .hero h1 { font-size: 36px; }
    .landing-page .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .landing-page section { padding: 60px 24px; }
    .landing-page .features-grid,
    .landing-page .ai-visual-grid,
    .landing-page .scenarios,
    .landing-page .pricing-grid { grid-template-columns: 1fr; }
    .landing-page .steps { grid-template-columns: 1fr 1fr; }
    .landing-page .steps::before { display: none; }
    .landing-page footer { flex-direction: column; gap: 16px; text-align: center; padding: 36px 24px; }
    .landing-page .hero-right { display: none; }
}

/* ===== QR SECTION ===== */
.landing-page #how .qr-section {
    margin-top: 40px;
}
.landing-page #how .qr-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    border-radius: 12px;
    padding: 0;
    max-width: 1080px;
    margin: 0 auto;
}

/* 左栏文案 */
.landing-page #how .qr-card-left {
    flex: 1;
}
.landing-page #how .qr-badge {
    display: inline-block;
    font-size: 13px;
    background: linear-gradient(135deg, rgba(0,240,255,0.12), rgba(99,102,241,0.12));
    color: #22d3ee;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
    font-weight: 500;
}
.landing-page #how .qr-card-left h3 {
    font-size: 22px;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0 0 10px;
}
.landing-page #how .qr-desc {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.6;
    margin: 0 0 18px;
}
.landing-page #how .qr-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.landing-page #how .qr-points li {
    font-size: 14px;
    color: #cbd5e1;
    line-height: 1.5;
}

/* 右栏二维码 */
.landing-page #how .qr-card-right {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.landing-page #how .qr-frame {
    width: 160px;
    height: 160px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.landing-page #how .qr-img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 6px;
}
.landing-page #how .qr-tip {
    font-size: 12px;
    color: #64748b;
    letter-spacing: 1px;
}

/* 响应式 */
@media (max-width: 640px) {
    .landing-page #how .qr-card {
        flex-direction: column;
        padding: 32px 24px;
        gap: 32px;
    }
    .landing-page #how .qr-card-left {
        text-align: center;
    }
    .landing-page #how .qr-points {
        align-items: center;
    }
}