/* website/static/css/style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #1B2A4A;
    background: #ffffff;
    line-height: 1.6;
}

/* ============================================================ */
/* 🟦 NAVBAR */
/* ============================================================ */
.navbar {
    background: rgba(11, 15, 30, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 14px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: white;
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
}

.nav-logo span {
    color: #fd7e14;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #fd7e14;
    transition: width 0.3s;
}

.nav-links a:hover {
    color: white;
}

.nav-links a:hover::after {
    width: 100%;
}
/* ============================================================ */
/* 🔧 数据库配置链接 - 导航栏高亮样式（新增） */
/* ============================================================ */

/* 方式1：使用 .setup-link 类（用于普通高亮） */
.nav-links a.setup-link {
    color: #fd7e14;
    font-weight: 600;
}

.nav-links a.setup-link::after {
    width: 100%;
    background: #fd7e14;
}

.nav-links a.setup-link:hover {
    color: #ff9a44;
}

/* 方式2：使用 .active 类（用于当前页面高亮） */
.nav-links a.active {
    color: #fd7e14;
    font-weight: 600;
}

.nav-links a.active::after {
    width: 100%;
    background: #fd7e14;
}

.nav-links a.active:hover {
    color: #ff9a44;
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.lang-btn {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 13px;
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 20px;
    transition: all 0.3s;
}

.lang-btn:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

.btn-nav-primary {
    background: linear-gradient(135deg, #fd7e14, #f97316);
    color: white;
    text-decoration: none;
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(253, 126, 20, 0.25);
}

.btn-nav-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(253, 126, 20, 0.4);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 4px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================================ */
/* 🟦 HERO - 智能科技感 + 星空 */
/* ============================================================ */
.hero-section {
    padding: 140px 0 60px;
    position: relative;
    min-height: auto;
    overflow: hidden;
    background: #0b0f1e;
    color: white;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-rotate {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(135deg, #1B2A4A, #2c3e6a, #3a1c71, #6a11cb, #1B2A4A);
    background-size: 400% 400%;
    animation: gradient-rotate 15s ease infinite;
}

@keyframes gradient-rotate {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.stars {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: twinkle var(--duration) ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.2; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1.2); }
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: orb-float 10s ease-in-out infinite alternate;
}

.orb-1 { width: 600px; height: 600px; top: -200px; right: -100px; background: radial-gradient(circle, rgba(253,126,20,0.35), rgba(168,85,247,0.05)); animation-delay: 0s; }
.orb-2 { width: 500px; height: 500px; bottom: -180px; left: -120px; background: radial-gradient(circle, rgba(0,200,255,0.25), rgba(106,17,203,0.05)); animation-delay: -3s; }
.orb-3 { width: 450px; height: 450px; top: 30%; left: 40%; background: radial-gradient(circle, rgba(168,85,247,0.2), transparent 70%); animation-delay: -5s; filter: blur(100px); }
.orb-4 { width: 300px; height: 300px; bottom: 15%; right: 25%; background: radial-gradient(circle, rgba(253,126,20,0.2), transparent 70%); animation-delay: -7s; filter: blur(80px); }
.orb-5 { width: 200px; height: 200px; top: 10%; left: 10%; background: radial-gradient(circle, rgba(0,200,255,0.15), transparent 70%); animation-delay: -2s; filter: blur(60px); }

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-scroll 25s linear infinite;
    opacity: 0.4;
}

@keyframes grid-scroll {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

@keyframes orb-float {
    0% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(40px, -30px) scale(1.08); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(30px, 20px) scale(1.05); }
    100% { transform: translate(-10px, -30px) scale(0.98); }
}

.particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    animation: particle-float 15s ease-in-out infinite;
}

.particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { top: 60%; left: 85%; animation-delay: -3s; animation-duration: 18s; }
.particle:nth-child(3) { top: 80%; left: 20%; animation-delay: -6s; animation-duration: 14s; }
.particle:nth-child(4) { top: 30%; left: 70%; animation-delay: -2s; animation-duration: 16s; }
.particle:nth-child(5) { top: 50%; left: 45%; animation-delay: -8s; animation-duration: 20s; }
.particle:nth-child(6) { top: 10%; left: 50%; animation-delay: -4s; animation-duration: 13s; }
.particle:nth-child(7) { top: 70%; left: 55%; animation-delay: -7s; animation-duration: 17s; }
.particle:nth-child(8) { top: 40%; left: 25%; animation-delay: -5s; animation-duration: 15s; }

@keyframes particle-float {
    0%, 100% { transform: translate(0, 0) scale(0.5); opacity: 0.1; }
    25% { transform: translate(30px, -40px) scale(1.2); opacity: 0.6; }
    50% { transform: translate(-20px, 20px) scale(0.8); opacity: 0.3; }
    75% { transform: translate(20px, 30px) scale(1); opacity: 0.5; }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #fd7e14 40%, #a855f7 70%, #ffffff 100%);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-text-flow 6s ease infinite;
}

@keyframes gradient-text-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-content p {
    font-size: 20px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    padding: 16px 38px;
    background: linear-gradient(135deg, #fd7e14, #f97316);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 30px rgba(253, 126, 20, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 45px rgba(253, 126, 20, 0.5);
}

.btn-secondary {
    display: inline-block;
    padding: 16px 38px;
    background: rgba(255,255,255,0.05);
    color: white;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.3);
    transform: translateY(-3px);
}

.hero-trust {
    display: flex;
    gap: 32px;
    color: rgba(255,255,255,0.4);
    font-size: 14px;
    flex-wrap: wrap;
}

.hero-trust span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================================ */
/* 🟩 STATS */
/* ============================================================ */
.stats-section {
    padding: 70px 0;
    background: #f8fafc;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stats-grid-8 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

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

.stat-number {
    font-size: 52px;
    font-weight: 800;
    background: linear-gradient(135deg, #1B2A4A, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: #6c757d;
    margin-top: 6px;
}

/* ============================================================ */
/* 🟧 WHY */
/* ============================================================ */
.why-section {
    padding: 70px 0;
    background: #ffffff;
}

.why-section h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 40px;
    text-align: center;
    background: linear-gradient(135deg, #1B2A4A, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.why-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.why-card {
    background: #f8fafc;
    padding: 36px 32px;
    border-radius: 16px;
    transition: all 0.3s;
    border: 1px solid rgba(0,0,0,0.04);
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border-color: rgba(253,126,20,0.2);
}

.why-icon {
    font-size: 44px;
    margin-bottom: 14px;
}

.why-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 6px;
}

.why-card p {
    color: #6c757d;
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================================ */
/* 🟦 FEATURES */
/* ============================================================ */
.features-section {
    padding: 70px 0;
    background: #f8fafc;
}

.features-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.features-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fd7e14, #f97316);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 20px;
    border-radius: 50px;
    margin-bottom: 14px;
}

.features-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #1B2A4A, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-header .subtitle {
    font-size: 17px;
    color: #6c757d;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.feature-card {
    background: white;
    padding: 32px 28px;
    border-radius: 16px;
    transition: all 0.3s;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    text-align: left;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border-color: rgba(253,126,20,0.2);
}

.feature-icon-large {
    font-size: 44px;
    width: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin-bottom: 16px;
    transition: all 0.3s;
}

.feature-card:hover .feature-icon-large {
    transform: scale(1.05);
}

.color-1 .feature-icon-large { background: #fef3e8; }
.color-2 .feature-icon-large { background: #f0ebff; }
.color-3 .feature-icon-large { background: #e3f5fc; }
.color-4 .feature-icon-large { background: #e6f8ec; }
.color-5 .feature-icon-large { background: #fde8ea; }
.color-6 .feature-icon-large { background: #fef3e8; }

.color-1:hover .feature-icon-large { background: #fd7e14; }
.color-2:hover .feature-icon-large { background: #6a11cb; }
.color-3:hover .feature-icon-large { background: #00b4d8; }
.color-4:hover .feature-icon-large { background: #2dc653; }
.color-5:hover .feature-icon-large { background: #e63946; }
.color-6:hover .feature-icon-large { background: #fd7e14; }

.feature-card:hover .feature-icon-large {
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.feature-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 6px;
}

.feature-card p {
    color: #6c757d;
    font-size: 14px;
    line-height: 1.6;
}

.feature-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 50px;
    align-self: flex-start;
    margin-top: 10px;
    transition: all 0.3s;
}

.feature-card:hover .feature-tag {
    transform: scale(1.04);
}

.color-1 .feature-tag { background: #fef3e8; color: #e8590c; }
.color-2 .feature-tag { background: #f0ebff; color: #5b0fa5; }
.color-3 .feature-tag { background: #e3f5fc; color: #0088b0; }
.color-4 .feature-tag { background: #e6f8ec; color: #1e9c45; }
.color-5 .feature-tag { background: #fde8ea; color: #c92a3a; }
.color-6 .feature-tag { background: #fef3e8; color: #e8590c; }

/* ============================================================ */
/* 💰 PRICING - 电脑版 */
/* ============================================================ */
.pricing-section {
    padding: 70px 0;
    background: #ffffff;
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #1B2A4A, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-subtitle {
    font-size: 18px;
    color: #6c757d;
    text-align: center;
    margin-bottom: 28px;
}

.currency-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.currency-dropdown {
    position: relative;
    display: inline-block;
}

.currency-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
    min-width: 120px;
    justify-content: space-between;
}

.currency-dropdown-btn:hover {
    border-color: #1B2A4A;
}

.dropdown-arrow {
    font-size: 12px;
    color: #6c757d;
    transition: transform 0.3s;
}

.currency-dropdown-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

.currency-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    z-index: 100;
    padding: 8px;
    max-height: 320px;
    overflow: hidden;
}

.currency-dropdown-menu.open {
    display: block;
}

.currency-search {
    padding: 0 4px 8px 4px;
    border-bottom: 1px solid #f0f0f0;
}

.currency-search input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s;
}

.currency-search input:focus {
    border-color: #fd7e14;
}

.currency-options {
    overflow-y: auto;
    max-height: 240px;
    padding-top: 6px;
}

.currency-option {
    display: block;
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    text-align: left;
    font-family: inherit;
    transition: all 0.2s;
}

.currency-option:hover {
    background: #f0f4ff;
}

.currency-option.active {
    background: #1B2A4A;
    color: white;
}

.currency-option.hidden {
    display: none;
}

/* ✅ 门店档位选择器 - 电脑版（恢复原样） */
.store-tier-selector {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tier-btn {
    padding: 10px 28px;
    border: 2px solid #e9ecef;
    border-radius: 30px;
    background: white;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
}

.tier-btn:hover {
    border-color: #1B2A4A;
}

.tier-btn.active {
    border-color: #1B2A4A;
    background: #1B2A4A;
    color: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pricing-card {
    background: white;
    padding: 24px 16px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: all 0.3s;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.04);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.pricing-card.featured {
    background: linear-gradient(135deg, #1B2A4A, #2c3e6a) !important;
    color: white !important;
    border: 2px solid #fd7e14 !important;
}

.pricing-card.featured .price {
    color: white !important;
}

.pricing-card.featured .price .price-period {
    color: rgba(255,255,255,0.6) !important;
}
.pricing-card.featured .price-annual strong {
    color: #ffffff !important;
}

.pricing-card.featured ul li {
    color: rgba(255,255,255,0.8) !important;
    border-bottom-color: rgba(255,255,255,0.08) !important;
}

.pricing-card.featured .badge {
    background: #fd7e14 !important;
}

.pricing-card.featured .btn-block {
    background: #fd7e14 !important;
    color: white !important;
}

.pricing-card .badge {
    display: inline-block;
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 110px;
    text-align: center;
    white-space: nowrap;
}

.badge-trial { background: #28a745; }
.badge-popular { background: #fd7e14; }
.badge-best { background: #28a745; }
.badge-enterprise { background: #6a11cb; }
.badge-starter { background: #6c757d; }

.pricing-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-top: 8px;
}

.pricing-card .price {
    font-size: 36px;
    font-weight: 800;
    color: #1B2A4A;
    margin: 12px 0;
    line-height: 1.2;
    white-space: nowrap;
}

.pricing-card .price .price-period {
    font-size: 14px;
    font-weight: 400;
    color: #6c757d;
}

.pricing-card ul {
    list-style: none;
    margin: 12px 0;
    text-align: left;
    padding: 0 12px;
    flex: 1;
}

.pricing-card ul li {
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.price-annual {
    font-size: 14px;
    color: #6c757d;
    margin-top: -4px;
    margin-bottom: 12px;
}

.price-annual strong {
    color: #1B2A4A;
    font-size: 18px;
}

.save-tag {
    background: #28a745;
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 6px;
}

.plan-subtitle {
    font-size: 13px;
    color: #6c757d;
    margin-top: -4px;
    margin-bottom: 8px;
}

.btn-block {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    text-align: center;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-block:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-orange { background: #fd7e14; color: white; }
.btn-green { background: #28a745; color: white; }
.btn-purple { background: #6a11cb; color: white; }

.pricing-note {
    text-align: center;
    font-size: 14px;
    color: #6c757d;
    margin-top: 20px;
    margin-bottom: 40px;
}

.comparison-table-wrapper {
    margin-top: 50px;
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

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

.comparison-table thead tr {
    background: #1B2A4A;
    color: white;
}

.comparison-table th {
    padding: 14px 16px;
    text-align: center;
}

.comparison-table th:first-child {
    text-align: left;
    width: 30%;
}

.comparison-table th:last-child {
    background: #fd7e14;
}

.comparison-table td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid #f0f2f5;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
}

.comparison-table .other-price {
    color: #dc3545;
}

.comparison-table .ims-price {
    color: #28a745;
    font-weight: 700;
}

.comparison-table .ims-highlight {
    background: #fd7e14;
}

.comparison-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1B2A4A;
}

.comparison-wrapper {
    max-width: 900px;
    margin: 0 auto 50px;
}

.comparison-slogan {
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: #1B2A4A;
    margin-top: 16px;
    padding: 14px 20px;
    background: linear-gradient(135deg, #f0f7ff, #e8f0fe);
    border-radius: 10px;
    border: 1px solid #d0e0f5;
}

.pricing-footnote {
    text-align: center;
    color: #999;
    font-size: 12px;
    margin-top: 30px;
}

/* ============================================================ */
/* 📥 DOWNLOAD */
/* ============================================================ */
.download-card {
    max-width: 1000px;
    margin: 40px auto;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    text-align: center;
}

.download-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1B2A4A;
}

.download-card .version {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 24px;
}

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

.download-buttons .btn-primary {
    padding: 12px 24px;
    font-size: 14px;
    min-width: 150px;
}

.steps-card {
    max-width: 1000px;
    margin: 30px auto;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

.steps-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1B2A4A;
}

.steps-card ol {
    padding-left: 20px;
    color: #6c757d;
    line-height: 2;
}

.steps-card .doc-link {
    margin-top: 16px;
    font-size: 14px;
}

/* ============================================================ */
/* 📞 CONTACT */
/* ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto 60px;
    padding: 0 20px;
}

.contact-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-card p {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 20px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.contact-form h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #fd7e14;
}

/* ============================================================ */
/* 🟧 CTA */
/* ============================================================ */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, #0b0f1e, #1a1040);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
    background: radial-gradient(circle, rgba(253,126,20,0.08), transparent 70%);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    bottom: -200px;
    left: -200px;
    background: radial-gradient(circle, rgba(168,85,247,0.08), transparent 70%);
    border-radius: 50%;
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta-container h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-container p {
    font-size: 18px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 30px;
}

.btn-large {
    padding: 18px 50px;
    font-size: 18px;
}

/* ============================================================ */
/* 📄 PAGE SECTION */
/* ============================================================ */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.page-section {
    padding: 120px 0 80px;
    background: #f8fafc;
    min-height: 80vh;
}

.page-section h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    text-align: center;
    background: linear-gradient(135deg, #1B2A4A, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-section .subtitle {
    font-size: 18px;
    color: #6c757d;
    margin-bottom: 40px;
    text-align: center;
}

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

/* ============================================================ */
/* 🦶 FOOTER */
/* ============================================================ */
footer {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    background: #f8fafc;
    border-top: 1px solid rgba(0,0,0,0.04);
}

/* ============================================================ */
/* 📱 RESPONSIVE - 手机适配（不影响电脑） */
/* ============================================================ */
@media (max-width: 768px) {
    body {
        font-size: 15px;
        line-height: 1.7;
        -webkit-text-size-adjust: 100%;
    }

    .navbar {
        padding: 8px 0;
        background: rgba(11, 15, 30, 0.96);
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .nav-container {
        padding: 0 12px;
        flex-wrap: wrap;
    }

    .nav-logo {
        font-size: 16px;
        flex-shrink: 0;
    }

    .nav-links {
        display: flex !important;
        gap: 12px;
        position: static;
        background: transparent;
        padding: 6px 0 0 0;
        height: auto;
        flex-direction: row;
        backdrop-filter: none;
        flex-basis: 100%;
        order: 3;
        border-top: 1px solid rgba(255,255,255,0.06);
        margin-top: 4px;
    }

    .nav-links a {
        font-size: 12px;
        padding: 4px 0;
        border-bottom: none;
        color: rgba(255,255,255,0.8);
    }

    .nav-links a:hover {
        color: white;
    }

    .menu-toggle {
        display: none !important;
    }

    .nav-actions .lang-btn {
        display: none;
    }

    .nav-actions .btn-nav-primary {
        padding: 4px 12px;
        font-size: 10px;
        box-shadow: none;
    }

    .hero-section {
        padding: 20px 0 20px;
        min-height: auto;
    }

    .hero-content {
        padding: 0 16px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 28px;
        margin-bottom: 8px;
    }

    .hero-content p {
        font-size: 15px;
        max-width: 100%;
        margin-bottom: 16px;
        line-height: 1.5;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
        margin-bottom: 12px;
    }

    .hero-buttons .btn-secondary {
        display: none;
    }

    .hero-buttons .btn-primary {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 15px;
    }

    .hero-trust {
        justify-content: center;
        gap: 12px;
        font-size: 11px;
        flex-wrap: wrap;
        margin-top: 8px;
    }

    .orb-1,
    .orb-2 {
        width: 150px;
        height: 150px;
        filter: blur(30px);
    }

    .orb-3,
    .orb-4,
    .orb-5 {
        display: none;
    }

    .grid-overlay {
        background-size: 30px 30px;
    }

    .particle {
        display: none;
    }

    .stats-section {
        padding: 30px 0;
    }

    .stats-container,
    .stats-grid-8 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        padding: 0 12px !important;
    }

    .stat-number {
        font-size: 28px;
    }

    .stat-label {
        font-size: 11px;
    }

    .why-section {
        padding: 30px 0;
    }

    .why-section h2 {
        font-size: 24px;
        margin-bottom: 20px;
        padding: 0 16px;
    }

    .why-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 0 12px;
    }

.why-grid-4 {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding: 0 !important;
    padding-left: 0 !important;  
    padding-right: 0 !important;  
}

    .why-card {
        padding: 16px 18px;
        display: flex;
        align-items: center;
        gap: 14px;
        text-align: left;
    }

    .why-icon {
        font-size: 28px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .why-card h3 {
        font-size: 15px;
        margin-bottom: 2px;
    }

    .why-card p {
        font-size: 13px;
        margin: 0;
    }

    .why-card>div {
        flex: 1;
    }

    .features-section {
        padding: 30px 0;
    }

.feature-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 0 !important;
    padding-left: 0 !important;   
    padding-right: 0 !important; 
}

    .feature-card {
        padding: 20px 18px;
    }

    .feature-icon-large {
        font-size: 36px;
        width: 56px;
        height: 56px;
    }

    .features-header h2 {
        font-size: 26px;
    }

    .features-header .subtitle {
        font-size: 14px;
    }

    .feature-card h3 {
        font-size: 16px;
    }

    .feature-card p {
        font-size: 13px;
    }

    /* --- 定价页手机端 --- */
    .pricing-section {
        padding: 30px 0;
    }

    .pricing-container {
        padding: 0 12px !important;
    }

    .pricing-title {
        font-size: 24px !important;
    }

    .pricing-subtitle {
        font-size: 14px !important;
        margin-bottom: 16px !important;
    }

    .currency-selector {
        gap: 0 !important;
        padding: 0 !important;
        margin-bottom: 14px !important;
    }

    .currency-dropdown-btn {
        padding: 8px 12px;
        font-size: 13px;
        min-width: 100px;
    }

    .currency-dropdown-menu {
        min-width: 200px;
        right: 0;
        left: auto;
    }

    /* ✅ 门店选择器 - 手机端三个按钮一行 */
    .store-tier-selector {
        gap: 6px;
        padding: 0 8px;
        display: flex;
        justify-content: center;
        flex-wrap: nowrap;
        margin-bottom: 20px;
    }

    .tier-btn {
        padding: 8px 10px;
        font-size: 11px;
        flex: 1;
        text-align: center;
        border-radius: 20px;
        border: 1.5px solid #e9ecef;
        background: white;
        font-weight: 600;
        transition: all 0.3s;
        white-space: nowrap;
        font-family: inherit;
        cursor: pointer;
    }

    .tier-btn.active {
        border-color: #1B2A4A;
        background: #1B2A4A;
        color: white;
    }

    .pricing-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 6px !important;
        padding: 0 12px !important;
    }

    .pricing-grid-3 {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
        padding: 0 12px !important;
    }

    .pricing-card {
        padding: 16px 12px !important;
        min-height: auto !important;
        border-radius: 12px !important;
    }

    .pricing-card .badge {
        min-width: 70px !important;
        font-size: 9px !important;
        top: -8px !important;
        padding: 3px 10px !important;
        border-radius: 12px !important;
    }

    .pricing-card h3 {
        font-size: 15px !important;
        margin-top: 4px !important;
        margin-bottom: 0 !important;
    }

    .plan-subtitle {
        font-size: 12px !important;
        margin-top: -2px !important;
        margin-bottom: 4px !important;
    }

    .pricing-card .price {
        font-size: 28px !important;
        margin: 6px 0 !important;
    }

    .pricing-card .price .price-period {
        font-size: 14px !important;
    }

    .price-annual {
        font-size: 13px !important;
        margin-top: 0 !important;
        margin-bottom: 8px !important;
    }

    .price-annual strong {
        font-size: 16px !important;
    }

    .save-tag {
        font-size: 10px !important;
        padding: 1px 8px !important;
    }

    .pricing-card ul {
        padding: 0 4px !important;
        margin: 6px 0 !important;
    }

    .pricing-card ul li {
        font-size: 11px !important;
        padding: 3px 0 !important;
        border-bottom: none !important;
    }

    .pricing-card .btn-block {
        padding: 10px !important;
        font-size: 13px !important;
        border-radius: 8px !important;
    }

    .pricing-card.featured {
        border: 1.5px solid #fd7e14 !important;
    }

    .comparison-table-wrapper {
        margin-top: 16px !important;
        border-radius: 6px !important;
        margin-left: 4px !important;
        margin-right: 4px !important;
    }

    .comparison-table {
        font-size: 10px !important;
        min-width: 360px !important;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 6px 8px !important;
    }

    .pricing-footnote {
        font-size: 10px !important;
        margin-top: 16px !important;
        padding: 0 16px !important;
    }

    .cta-section {
        padding: 30px 16px;
    }

    .cta-container h2 {
        font-size: 24px;
    }

    .cta-container p {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .btn-large {
        width: 100%;
        padding: 14px;
        font-size: 16px;
        text-align: center;
        box-sizing: border-box;
    }

    footer {
        padding: 20px 16px;
        font-size: 12px;
    }

    .page-section {
        padding: 76px 0 24px;
        min-height: auto;
    }

    .page-section h1 {
        font-size: 26px;
        padding: 0 16px;
        margin-bottom: 6px;
    }

    .page-section .subtitle {
        font-size: 14px;
        padding: 0 16px;
        margin-bottom: 16px;
    }

    .section-container {
        padding: 0 12px;
    }

    .download-card {
        padding: 16px;
        margin: 12px 4px;
        border-radius: 12px;
    }

    .download-card h3 {
        font-size: 16px;
    }

    .download-card .version {
        font-size: 13px;
        margin-bottom: 14px;
    }

    .download-buttons {
        flex-direction: column;
        gap: 8px;
    }

    .download-buttons .btn-primary {
        width: 100%;
        padding: 12px;
        font-size: 14px;
        min-width: unset;
    }

    .steps-card {
        padding: 16px;
        margin: 12px 4px;
        border-radius: 12px;
    }

    .steps-card h4 {
        font-size: 16px;
    }

    .steps-card ol {
        font-size: 13px;
        padding-left: 16px;
        line-height: 1.8;
    }

    .steps-card .doc-link {
        font-size: 13px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 0 4px;
        margin-bottom: 20px;
    }

    .contact-card {
        padding: 16px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        gap: 14px;
        text-align: left;
    }

    .contact-icon {
        font-size: 30px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .contact-card h3 {
        font-size: 16px;
        margin-bottom: 2px;
    }

    .contact-card p {
        font-size: 13px;
        margin-bottom: 0;
    }

    .contact-card .btn-outline {
        display: none;
    }

    .contact-card>div {
        flex: 1;
    }

    .contact-form {
        padding: 16px;
        margin: 0 4px;
        border-radius: 12px;
    }

    .contact-form h2 {
        font-size: 18px;
        margin-bottom: 14px;
    }

    .form-group {
        margin-bottom: 12px;
    }

    .form-group label {
        font-size: 13px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 14px;
        font-size: 14px;
    }

    .contact-form .btn-primary {
        width: 100%;
        padding: 12px;
        font-size: 15px;
    }

    .license-status {
        padding: 14px;
        margin: 0 4px 14px;
        border-radius: 12px;
    }

    .license-badge {
        font-size: 12px;
        padding: 4px 14px;
        margin-bottom: 10px;
    }

    .license-key-box {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 10px 12px;
    }

    .license-key {
        font-size: 14px;
        word-break: break-all;
    }

    .btn-copy {
        padding: 6px 12px;
        font-size: 12px;
        align-self: flex-start;
    }

    .expire-info {
        font-size: 13px;
        margin-top: 8px;
    }

    .store-info {
        font-size: 13px;
        margin-top: 4px;
    }

    .no-license-card {
        padding: 20px 16px;
        margin: 0 4px 14px;
        border-radius: 12px;
    }

    .no-license-card .icon {
        font-size: 40px;
        margin-bottom: 8px;
    }

    .no-license-card h2 {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .no-license-card p {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .no-license-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .no-license-buttons .btn-primary,
    .no-license-buttons .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 12px;
        font-size: 14px;
    }

    .license-input-card {
        padding: 16px;
        margin: 0 4px;
        border-radius: 12px;
    }

    .license-input-card h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .license-input-group {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .license-input-group input {
        min-width: unset;
        font-size: 14px;
        padding: 10px 14px;
    }

    .license-input-group .btn-primary {
        padding: 10px;
        font-size: 14px;
    }

    #verify-result {
        font-size: 13px !important;
        margin-top: 8px !important;
    }

    .success-icon {
        font-size: 56px !important;
    }

    .success-msg {
        font-size: 16px !important;
    }

    .success-spam {
        font-size: 14px !important;
    }

    .success-buttons .btn-primary {
        width: 100%;
        text-align: center;
        padding: 14px;
        font-size: 16px;
    }

    .success-support {
        font-size: 13px !important;
    }

    .legal-content h2 {
        font-size: 18px !important;
        margin-top: 20px !important;
    }

    .legal-content p {
        font-size: 14px !important;
    }
}

/* ============================================================ */
/* 超小屏手机（< 400px） */
/* ============================================================ */
@media (max-width: 400px) {
    .stats-container,
    .stats-grid-8 {
        gap: 6px !important;
        padding: 0 10px !important;
    }

    .stat-number {
        font-size: 22px;
    }

    .stat-label {
        font-size: 10px;
    }

    .hero-content h1 {
        font-size: 26px;
    }

    .why-grid-4 {
        grid-template-columns: 1fr !important;
    }

    .why-card,
    .feature-card,
    .contact-card {
        padding: 10px 12px;
    }

    .why-icon,
    .feature-icon,
    .contact-icon {
        font-size: 22px;
    }

    .why-card h3,
    .feature-card h3,
    .contact-card h3 {
        font-size: 14px;
    }

    .why-card p,
    .feature-card p,
    .contact-card p {
        font-size: 12px;
    }

    .pricing-grid,
    .pricing-grid-3 {
        gap: 4px !important;
        padding: 0 4px !important;
    }

    .pricing-card {
        padding: 8px 4px !important;
    }

    .pricing-card .price {
        font-size: 14px !important;
    }

    .pricing-card ul li {
        font-size: 7px !important;
    }

    .pricing-card .btn-block {
        font-size: 8px !important;
        padding: 4px 2px !important;
    }

    .tier-btn {
        font-size: 9px !important;
        padding: 6px 6px !important;
    }
}
/* ============================================================ */
/* 🦶 FOOTER - 带链接 */
/* ============================================================ */
footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

footer .footer-links a {
    color: #6c757d;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

footer .footer-links a:hover {
    color: #fd7e14;
}

@media (max-width: 768px) {
    footer .footer-links {
        gap: 14px;
    }
    footer .footer-links a {
        font-size: 12px;
    }
}
/* ============================================================ */
/* 🎬 动态效果 - 增强（新增） */
/* ============================================================ */

/* 1. 统计数字 - 上浮动画（滚动时出现） */
.stat-card {
    opacity: 0;
    transform: translateY(40px);
    animation: fade-up 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.10s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.20s; }
.stat-card:nth-child(5) { animation-delay: 0.25s; }
.stat-card:nth-child(6) { animation-delay: 0.30s; }
.stat-card:nth-child(7) { animation-delay: 0.35s; }
.stat-card:nth-child(8) { animation-delay: 0.40s; }

@keyframes fade-up {
    0% { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* 2. Why 卡片 - 缩放进入 */
.why-card {
    opacity: 0;
    transform: scale(0.92);
    animation: zoom-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.why-card:nth-child(1) { animation-delay: 0.05s; }
.why-card:nth-child(2) { animation-delay: 0.10s; }
.why-card:nth-child(3) { animation-delay: 0.15s; }
.why-card:nth-child(4) { animation-delay: 0.20s; }
.why-card:nth-child(5) { animation-delay: 0.25s; }
.why-card:nth-child(6) { animation-delay: 0.30s; }
.why-card:nth-child(7) { animation-delay: 0.35s; }
.why-card:nth-child(8) { animation-delay: 0.40s; }

@keyframes zoom-in {
    0% { opacity: 0; transform: scale(0.92); }
    100% { opacity: 1; transform: scale(1); }
}

/* 3. Feature 卡片 - 从左滑入 */
.feature-card {
    opacity: 0;
    transform: translateX(-24px);
    animation: slide-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.05s; }
.feature-card:nth-child(2) { animation-delay: 0.10s; }
.feature-card:nth-child(3) { animation-delay: 0.15s; }
.feature-card:nth-child(4) { animation-delay: 0.20s; }
.feature-card:nth-child(5) { animation-delay: 0.25s; }
.feature-card:nth-child(6) { animation-delay: 0.30s; }

@keyframes slide-in {
    0% { opacity: 0; transform: translateX(-24px); }
    100% { opacity: 1; transform: translateX(0); }
}

/* 4. 统计数字 - 渐变流动（增强版 - 覆盖原有样式） */
.stat-number {
    background: linear-gradient(135deg, #1B2A4A, #fd7e14, #f97316, #1B2A4A);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 5. 卡片悬停效果加强（覆盖原有悬停样式） */
.why-card:hover,
.feature-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 60px rgba(0,0,0,0.10);
    border-color: rgba(253, 126, 20, 0.3);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 6. Hero 标题 - 发光脉冲（附加到已有动画） */
.hero-content h1 {
    animation: gradient-text-flow 4s ease infinite, glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { filter: drop-shadow(0 0 20px rgba(253, 126, 20, 0.08)); }
    50% { filter: drop-shadow(0 0 50px rgba(253, 126, 20, 0.20)); }
}

/* 7. CTA 按钮 - 呼吸光效 */
.btn-primary {
    animation: btn-breathe 2.5s ease-in-out infinite;
}

.btn-nav-primary {
    animation: btn-breathe 3s ease-in-out infinite;
}

@keyframes btn-breathe {
    0%, 100% { box-shadow: 0 4px 30px rgba(253, 126, 20, 0.25); }
    50% { box-shadow: 0 4px 55px rgba(253, 126, 20, 0.45); }
}

/* 8. Hero 光晕浮动加强（覆盖原有动画时长） */
.orb-1 { animation-duration: 12s; }
.orb-2 { animation-duration: 14s; }
.orb-3 { animation-duration: 16s; }
.orb-4 { animation-duration: 10s; }
.orb-5 { animation-duration: 18s; }

/* 9. 粒子闪烁加强 */
.particle {
    animation-duration: 12s;
    animation-iteration-count: infinite;
}

/* ============================================================ */
/* 📱 手机端减弱动画（性能优化）*/
/* ============================================================ */
@media (max-width: 768px) {
    .stat-card,
    .why-card,
    .feature-card {
        animation-duration: 0.4s;
    }
    .stat-card:nth-child(n),
    .why-card:nth-child(n),
    .feature-card:nth-child(n) {
        animation-delay: 0.02s;
    }
    .btn-primary,
    .btn-nav-primary {
        animation: none;
    }
    .hero-content h1 {
        animation: gradient-text-flow 4s ease infinite;
    }
    .orb-1,
    .orb-2,
    .orb-3,
    .orb-4,
    .orb-5 {
        animation-duration: 8s;
    }
}