/* ========================================
   Crescendo 官网样式表
   主题色：黑色 #383838 | 红色 #C5292E
======================================== */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    padding-top: 72px;
}

body.menu-open {
    overflow: hidden;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
}

/* ========================================
   导航栏 Header 样式 - 现代简洁专业设计
======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, #383838 0%, #2d2d2d 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* 左侧：Logo + 品牌信息 */
.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.logo-link:hover {
    transform: scale(1.02);
}

.nav-logo {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    border-radius: 10px;
}

.brand-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 16px;
    border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-name {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
}

.brand-divider {
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}

.brand-sub {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
}

/* 中间：导航菜单 */
.nav-center {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link .nav-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.nav-link:hover .nav-icon {
    opacity: 1;
}

.nav-link.active {
    color: #fff;
    background: rgba(197, 41, 46, 0.15);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: #C5292E;
    border-radius: 2px;
}

.nav-link.active .nav-icon {
    opacity: 1;
    color: #C5292E;
}

/* 右侧：按钮组 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn-ghost {
    color: rgba(255, 255, 255, 0.8);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border: none;
    box-shadow: 0 4px 12px rgba(197, 41, 46, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d63035 0%, #b82529 100%);
    box-shadow: 0 6px 20px rgba(197, 41, 46, 0.45);
    transform: translateY(-2px);
}

/* 汉堡菜单 - 现代动画效果 */
.hamburger {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.08);
}

.hamburger-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    position: absolute;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
}

.hamburger-inner::before {
    top: -7px;
}

.hamburger-inner::after {
    bottom: -7px;
}

.hamburger.active .hamburger-inner {
    background: transparent;
}

.hamburger.active .hamburger-inner::before {
    top: 0;
    transform: rotate(45deg);
}

.hamburger.active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 45, 45, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.mobile-link:hover,
.mobile-link.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.mobile-link.active {
    background: rgba(197, 41, 46, 0.15);
    border-left: 0px solid #C5292E;
}

.mobile-icon {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.mobile-link.active .mobile-icon {
    color: #C5292E;
    opacity: 1;
}

.mobile-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 16px 0;
}

.mobile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.mobile-btn-ghost {
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.mobile-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.mobile-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    box-shadow: 0 4px 16px rgba(197, 41, 46, 0.4);
}

.mobile-btn-primary:hover {
    box-shadow: 0 6px 24px rgba(197, 41, 46, 0.5);
}

/* 移动端导航响应式 */
@media (max-width: 900px) {
    .nav-center {
        display: none;
    }
    
    .nav-right {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .brand-info {
        display: flex;
    }
    
    .brand-divider {
        display: none;
    }
    
    .brand-sub {
        display: none;
    }
    
    .brand-name {
        font-size: 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        height: 36px;
    }
}

/* ========================================
   页脚 Footer 样式
======================================== */
.site-footer {
    background: #383838;
    color: #fff;
    padding: 48px 0 32px;
    margin-top: 0;
}

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

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.footer-contact {
    display: flex;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-icon {
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.contact-item a:hover {
    color: #fff;
}

.footer-notice {
    padding-top: 24px;
    text-align: center;
}

.notice-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 8px;
    line-height: 1.6;
}

.notice-text-en {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .footer-main {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 16px;
    }
    
    .contact-item {
        justify-content: center;
    }
}

/* ========================================
   内容区域样式
======================================== */

/* Hero 区域 - 简洁居中设计 */
.hero {
    background: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 50%, #383838 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(197, 41, 46, 0.12) 0%, transparent 60%);
    filter: blur(80px);
}

.hero-glow-2 {
    position: absolute;
    bottom: -30%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(197, 41, 46, 0.08) 0%, transparent 60%);
    filter: blur(60px);
}

/* 装饰性圆环 */
.hero-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(197, 41, 46, 0.15);
}

.hero-ring-1 {
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: ringPulse 8s ease-in-out infinite;
}

.hero-ring-2 {
    width: 450px;
    height: 450px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-color: rgba(197, 41, 46, 0.1);
    animation: ringPulse 8s ease-in-out infinite 1s;
}

.hero-ring-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-color: rgba(197, 41, 46, 0.08);
    animation: ringPulse 8s ease-in-out infinite 2s;
}

@keyframes ringPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

.hero-center {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(197, 41, 46, 0.12);
    border: 1px solid rgba(197, 41, 46, 0.25);
    border-radius: 30px;
    margin-bottom: 28px;
}

.hero-tag-dot {
    width: 8px;
    height: 8px;
    background: #C5292E;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-tag span {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    letter-spacing: -1px;
}

.hero-title-highlight {
    display: block;
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, #C5292E 0%, #ff5a5f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
    transition: all 0.3s ease;
}

.hero-btn-primary svg {
    width: 18px;
    height: 18px;
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.5);
}

.hero-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.hero-btn-ghost svg {
    width: 18px;
    height: 18px;
}

.hero-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Hero 功能卡片 */
.hero-features {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 60px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    transition: all 0.3s ease;
}

.hero-feature:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(197, 41, 46, 0.3);
    transform: translateY(-4px);
}

.hero-feature-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.15) 0%, rgba(197, 41, 46, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-feature-icon svg {
    width: 22px;
    height: 22px;
    color: #C5292E;
}

.hero-feature-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
}

.hero-feature-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

.hero-feature-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* Hero Content 布局 */
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    text-align: left;
}

.hero-label {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(197, 41, 46, 0.12);
    border: 1px solid rgba(197, 41, 46, 0.25);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    color: #C5292E;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
    transition: all 0.3s ease;
}

.btn-hero-primary svg {
    width: 18px;
    height: 18px;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.5);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.btn-hero-secondary svg {
    width: 18px;
    height: 18px;
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
}

.hero-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Hero 响应式 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-features {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .hero-feature {
        flex: 1;
        min-width: 200px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 50px 0 70px;
        min-height: 80vh;
    }
    
    .hero-title-line {
        font-size: 32px;
    }
    
    .hero-title-highlight {
        font-size: 36px;
    }
    
    .hero-desc {
        font-size: 15px;
    }
    
    .hero-desc br {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-btn-primary,
    .hero-btn-ghost {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin-top: 40px;
    }
    
    .hero-feature {
        width: 100%;
        max-width: 320px;
    }
}

/* 通用区块标题 */
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #383838;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 功能特点网格 - 现代设计 */
.features {
    padding: 100px 0;
    background: #fff;
}

.features-header {
    text-align: center;
    margin-bottom: 64px;
}

.features-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.features-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.features-desc {
    font-size: 18px;
    color: #666;
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    position: relative;
    background: #fafafa;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #C5292E 0%, #ff5a5f 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    background: #fff;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    transform: translateY(-8px);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card-inner {
    padding: 36px 32px;
}

.feature-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(0, 0, 0, 0.04);
    line-height: 1;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-number {
    color: rgba(197, 41, 46, 0.1);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
}

.feature-icon svg {
    width: 26px;
    height: 26px;
    color: #C5292E;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-icon svg {
    color: #fff;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features {
        padding: 60px 0;
    }
    
    .features-title {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .feature-card-inner {
        padding: 28px 24px;
    }
}

/* 产品展示 - 全新现代设计 */
.product-showcase {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
}

.showcase-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.showcase-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
    color: #C5292E;
    font-size: 14px;
    font-weight: 600;
    border-radius: 30px;
    margin-bottom: 20px;
    border: 1px solid rgba(197, 41, 46, 0.15);
}

.showcase-title {
    font-size: 44px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.showcase-desc {
    font-size: 18px;
    color: #666;
    line-height: 1.7;
}

/* 截图展示区域 - 简洁背景 */
.showcase-preview {
    margin-bottom: 60px;
}

.showcase-image-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, #f0f0f0 0%, #e5e5e5 100%);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.showcase-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 特性卡片 */
.showcase-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.showcase-feature-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 16px;
    padding: 32px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.showcase-feature-card:hover {
    border-color: #C5292E;
    box-shadow: 0 12px 40px rgba(197, 41, 46, 0.1);
    transform: translateY(-4px);
}

.showcase-feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
    border-radius: 14px;
}

.showcase-feature-icon svg {
    width: 28px;
    height: 28px;
    color: #C5292E;
}

.showcase-feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.showcase-feature-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 行动按钮 */
.showcase-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.showcase-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.3);
}

.showcase-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.4);
}

.showcase-btn-primary svg {
    width: 20px;
    height: 20px;
}

.showcase-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: #fff;
    color: #1a1a1a;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.showcase-btn-secondary:hover {
    border-color: #C5292E;
    color: #C5292E;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.showcase-btn-secondary svg {
    width: 20px;
    height: 20px;
}

/* 响应式 - 产品展示 */
@media (max-width: 900px) {
    .showcase-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .showcase-title {
        font-size: 32px;
    }
    
    .showcase-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .showcase-btn-primary,
    .showcase-btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* 产品介绍 - 现代设计 (保留兼容) */
.intro {
    padding: 100px 0;
    background: #f8f9fa;
}

.intro-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.intro-media {
    position: relative;
}

.intro-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    padding: 24px;
}

.intro-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
    border-radius: 12px;
}

.intro-image-wrapper:hover img {
    transform: scale(1.03);
}

.intro-image-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
}

.intro-image-badge:hover {
    background: #C5292E;
}

.intro-image-badge svg {
    width: 16px;
    height: 16px;
    color: #C5292E;
    transition: color 0.3s ease;
}

.intro-image-badge:hover svg {
    color: #fff;
}

.intro-image-badge span {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.intro-image-badge:hover span {
    color: #fff;
}

.intro-content {
    display: flex;
    flex-direction: column;
}

.intro-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
    width: fit-content;
}

.intro-title {
    font-size: 40px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.intro-text p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-text p strong {
    color: #1a1a1a;
    font-weight: 600;
}

.intro-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 28px 0 32px;
}

.intro-highlight {
    display: flex;
    align-items: center;
    gap: 12px;
}

.intro-highlight-icon {
    width: 24px;
    height: 24px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.intro-highlight-icon svg {
    width: 14px;
    height: 14px;
    color: #C5292E;
}

.intro-highlight span {
    font-size: 15px;
    color: #444;
    font-weight: 500;
}

.intro-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: #1a1a1a;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    width: fit-content;
}

.intro-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.intro-btn:hover {
    background: #C5292E;
}

.intro-btn:hover svg {
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .intro-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .intro-media {
        order: -1;
    }
}

@media (max-width: 640px) {
    .intro {
        padding: 60px 0;
    }
    
    .intro-title {
        font-size: 32px;
    }
    
    .intro-title br {
        display: none;
    }
}

/* 功能列表 - 现代设计 */
.feature-list {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.feature-list-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
}

.feature-list-header {
    position: sticky;
    top: 100px;
}

.feature-list-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.15);
    color: #ff6b6b;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.feature-list-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.feature-list-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

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

.feature-list-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-list-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(197, 41, 46, 0.3);
    transform: translateY(-4px);
}

.feature-list-icon {
    width: 44px;
    height: 44px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-list-icon svg {
    width: 22px;
    height: 22px;
    color: #C5292E;
}

.feature-list-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.feature-list-content p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 1024px) {
    .feature-list-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .feature-list-header {
        position: static;
        text-align: center;
    }
    
    .feature-list-title br {
        display: none;
    }
}

@media (max-width: 640px) {
    .feature-list {
        padding: 60px 0;
    }
    
    .feature-list-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-list-title {
        font-size: 28px;
    }
}

/* 三步骤 - 时间线设计 */
.steps {
    padding: 100px 0;
    background: #fff;
}

.steps-header {
    text-align: center;
    margin-bottom: 64px;
}

.steps-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.steps-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.steps-desc {
    font-size: 18px;
    color: #666;
}

.steps-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.steps-line {
    position: absolute;
    top: 32px;
    left: 80px;
    right: 80px;
    height: 2px;
    background: linear-gradient(90deg, #C5292E 0%, #ff6b6b 50%, #C5292E 100%);
    z-index: 0;
}

.step-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.step-marker {
    width: 64px;
    height: 64px;
    background: #fff;
    border: 3px solid #C5292E;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    transition: all 0.3s ease;
}

.step-card:hover .step-marker {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-color: #C5292E;
}

.step-number {
    font-size: 24px;
    font-weight: 700;
    color: #C5292E;
    transition: color 0.3s ease;
}

.step-card:hover .step-number {
    color: #fff;
}

.step-content {
    text-align: center;
    padding: 0 20px;
}

.step-icon {
    width: 48px;
    height: 48px;
    background: rgba(197, 41, 46, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-icon svg {
    width: 24px;
    height: 24px;
    color: #C5292E;
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .steps-timeline {
        flex-direction: column;
        gap: 40px;
    }
    
    .steps-line {
        display: none;
    }
    
    .step-card {
        flex-direction: row;
        align-items: flex-start;
        gap: 24px;
    }
    
    .step-marker {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .step-content {
        text-align: left;
        padding: 0;
    }
    
    .step-icon {
        margin: 0 0 16px 0;
    }
    
    .steps-title {
        font-size: 32px;
    }
}

/* 支持的音频格式 - 现代设计 */
.formats {
    padding: 100px 0;
    background: #f8f9fa;
}

.formats-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.formats-content {
    display: flex;
    flex-direction: column;
}

.formats-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
    width: fit-content;
}

.formats-title {
    font-size: 40px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.formats-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 32px;
}

.formats-categories {
    display: flex;
    gap: 32px;
}

.formats-category h4 {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.formats-category p {
    font-size: 14px;
    color: #666;
}

.formats-visual {
    position: relative;
}

.formats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.format-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 20px 16px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
}

.format-card:hover {
    border-color: #C5292E;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.1);
    transform: translateY(-4px);
}

.format-name {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 0.5px;
}

.format-card-more {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-color: transparent;
}

.format-card-more:hover {
    background: linear-gradient(135deg, #d63035 0%, #b82529 100%);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.3);
}

.format-more-text {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
}

@media (max-width: 1024px) {
    .formats-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .formats-title br {
        display: none;
    }
}

@media (max-width: 640px) {
    .formats {
        padding: 60px 0;
    }
    
    .formats-title {
        font-size: 32px;
    }
    
    .formats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    
    .format-card {
        padding: 16px 12px;
    }
    
    .formats-categories {
        flex-direction: column;
        gap: 20px;
    }
    
    .format-card {
        padding: 18px 12px;
    }
    
    .format-name {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .formats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 工具标签云 - 现代设计 */
.tools {
    padding: 100px 0;
    background: linear-gradient(180deg, #1a1a1a 0%, #2d2d2d 100%);
}

.tools-header {
    text-align: center;
    margin-bottom: 56px;
}

.tools-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.15);
    color: #ff6b6b;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.tools-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.tools-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
}

.tools-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.tool-tag {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    border-radius: 30px;
    transition: all 0.3s ease;
    cursor: default;
}

.tool-tag:hover {
    background: #C5292E;
    border-color: #C5292E;
    color: #fff;
    transform: translateY(-2px);
}

.tool-tag-md {
    padding: 14px 28px;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.08);
}

.tool-tag-lg {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    background: rgba(197, 41, 46, 0.15);
    border-color: rgba(197, 41, 46, 0.3);
    color: #fff;
}

@media (max-width: 768px) {
    .tools-title {
        font-size: 32px;
    }
    
    .tools-cloud {
        gap: 8px;
    }
    
    .tool-tag {
        padding: 10px 18px;
        font-size: 13px;
    }
    
    .tool-tag-md {
        padding: 12px 22px;
        font-size: 14px;
    }
    
    .tool-tag-lg {
        padding: 14px 26px;
        font-size: 15px;
    }
}

/* 效果列表 - 现代设计 */
.effects {
    padding: 100px 0;
    background: #fff;
}

.effects-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
}

.effects-content {
    position: sticky;
    top: 100px;
}

.effects-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.effects-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.effects-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

.effects-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.effect-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 14px;
    transition: all 0.3s ease;
}

.effect-item:hover {
    background: #1a1a1a;
    transform: translateY(-4px);
}

.effect-icon {
    font-size: 24px;
    line-height: 1;
}

.effect-name {
    font-size: 15px;
    font-weight: 500;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.effect-item:hover .effect-name {
    color: #fff;
}

@media (max-width: 1024px) {
    .effects-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .effects-content {
        position: static;
        text-align: center;
    }
    
    .effects-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .effects {
        padding: 60px 0;
    }
    
    .effects-title {
        font-size: 28px;
    }
    
    .effects-list {
        grid-template-columns: 1fr;
    }
}

/* 音效库 - 现代设计 */
.sfx {
    padding: 100px 0;
    background: #f8f9fa;
}

.sfx-header {
    text-align: center;
    margin-bottom: 56px;
}

.sfx-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.sfx-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.sfx-desc {
    font-size: 18px;
    color: #666;
}

.sfx-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.sfx-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    background: #fff;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: #1a1a1a;
    transition: all 0.3s ease;
}

.sfx-item:hover {
    background: #1a1a1a;
    color: #fff;
    transform: translateY(-4px);
}

.sfx-icon {
    font-size: 20px;
    line-height: 1;
    color: #555;
    transition: all 0.2s ease;
}

.sfx-item:hover {
    background: #C5292E;
    color: #fff;
}

@media (max-width: 768px) {
    .sfx-title {
        font-size: 32px;
    }
    
    .sfx-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .sfx-grid {
        grid-template-columns: 1fr;
    }
}

/* 优势区域 - 现代设计 */
.benefits {
    padding: 100px 0;
    background: linear-gradient(180deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.benefits-header {
    text-align: center;
    margin-bottom: 64px;
}

.benefits-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.15);
    color: #ff6b6b;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.benefits-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.benefits-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    padding: 36px 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(197, 41, 46, 0.3);
    transform: translateY(-6px);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
    color: #C5292E;
    transition: color 0.3s ease;
}

.benefit-card:hover .benefit-icon svg {
    color: #fff;
}

.benefit-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.benefit-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .benefits {
        padding: 60px 0;
    }
    
    .benefits-title {
        font-size: 32px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* 价格区域 - 现代设计 */
.pricing {
    padding: 100px 0;
    background: #fff;
}

.pricing-header {
    text-align: center;
    margin-bottom: 56px;
}

.pricing-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.pricing-title-main {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.pricing-subtitle {
    font-size: 18px;
    color: #666;
}

.pricing-card {
    max-width: 480px;
    margin: 0 auto;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.1);
    border: 1px solid #e8e8e8;
}

.pricing-card-header {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 36px 40px;
    text-align: center;
}

.pricing-badge {
    display: inline-block;
    padding: 6px 16px;
    background: #C5292E;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.pricing-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.pricing-card-body {
    padding: 40px;
}

.pricing-price {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid #e8e8e8;
}

.price-original {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
    display: block;
    margin-bottom: 8px;
}

.price-current {
    font-size: 56px;
    font-weight: 800;
    color: #C5292E;
    line-height: 1;
}

.price-period {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: #C5292E;
    flex-shrink: 0;
}

.pricing-features li span {
    font-size: 15px;
    color: #444;
}

.pricing-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

.pricing-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.pricing-btn:hover svg {
    transform: translateX(4px);
}

.pricing-note {
    text-align: center;
    font-size: 13px;
    color: #999;
    margin-top: 16px;
}

/* 横版定价区域 */
.pricing-horizontal {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.pricing-h-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    background: #fff;
    border-radius: 20px;
    padding: 48px 56px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pricing-h-badge {
    display: inline-block;
    padding: 6px 14px;
    background: #C5292E;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.pricing-h-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.pricing-h-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 500px;
}

.pricing-h-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-h-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #444;
}

.pricing-h-features li svg {
    width: 18px;
    height: 18px;
    color: #C5292E;
    flex-shrink: 0;
}

.pricing-h-action {
    text-align: center;
    min-width: 220px;
}

.pricing-h-price {
    margin-bottom: 20px;
}

.pricing-h-price .price-original {
    font-size: 16px;
    color: #999;
    text-decoration: line-through;
    display: block;
    margin-bottom: 4px;
}

.pricing-h-price .price-current {
    font-size: 48px;
    font-weight: 800;
    color: #C5292E;
    line-height: 1;
}

.pricing-h-price .price-period {
    display: block;
    font-size: 13px;
    color: #666;
    margin-top: 6px;
}

.pricing-h-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.pricing-h-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

.pricing-h-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.pricing-h-btn:hover svg {
    transform: translateX(4px);
}

.pricing-h-note {
    font-size: 12px;
    color: #999;
    margin-top: 12px;
}

@media (max-width: 900px) {
    .pricing-h-card {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 36px 32px;
        text-align: center;
    }
    
    .pricing-h-desc {
        max-width: 100%;
    }
    
    .pricing-h-features {
        justify-content: center;
    }
    
    .pricing-h-action {
        min-width: auto;
    }
}

@media (max-width: 640px) {
    .pricing-horizontal {
        padding: 60px 0;
    }
    
    .pricing-h-card {
        padding: 28px 24px;
    }
    
    .pricing-h-title {
        font-size: 26px;
    }
    
    .pricing-h-features {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .pricing-h-price .price-current {
        font-size: 40px;
    }
}

/* 应用场景 - 现代设计 */
.use-cases {
    padding: 100px 0;
    background: #f8f9fa;
}

.use-cases-header {
    text-align: center;
    margin-bottom: 56px;
}

.use-cases-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.use-cases-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.use-cases-desc {
    font-size: 18px;
    color: #666;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.use-case-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 24px;
    background: #fff;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.use-case-icon {
    width: 56px;
    height: 56px;
    background: rgba(197, 41, 46, 0.08);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.use-case-card:hover .use-case-icon {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
}

.use-case-icon svg {
    width: 26px;
    height: 26px;
    color: #C5292E;
    transition: color 0.3s ease;
}

.use-case-card:hover .use-case-icon svg {
    color: #fff;
}

.use-case-text {
    font-size: 15px;
    font-weight: 500;
    color: #444;
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .use-cases {
        padding: 60px 0;
    }
    
    .use-cases-title {
        font-size: 32px;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

/* 系统要求 - 现代设计 */
.requirements {
    padding: 100px 0;
    background: #fff;
}

.requirements-header {
    text-align: center;
    margin-bottom: 56px;
}

.requirements-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.08);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.requirements-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.5px;
}

.requirements-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.requirements-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 36px;
}

.requirements-card-download {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.requirements-card-icon {
    width: 56px;
    height: 56px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.requirements-card-download .requirements-card-icon {
    background: rgba(197, 41, 46, 0.2);
}

.requirements-card-icon svg {
    width: 28px;
    height: 28px;
    color: #C5292E;
}

.requirements-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 24px;
}

.requirements-card-download h3 {
    color: #fff;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid #e8e8e8;
    font-size: 15px;
    color: #666;
}

.requirements-list li:last-child {
    border-bottom: none;
}

.requirements-list li span {
    font-weight: 600;
    color: #1a1a1a;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.download-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: #C5292E;
    border-color: #C5292E;
}

.download-btn svg {
    width: 28px;
    height: 28px;
    fill: rgba(255, 255, 255, 0.8);
}

.download-btn:hover svg {
    fill: #fff;
}

.download-btn span {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.download-btn:hover span {
    color: #fff;
}

@media (max-width: 768px) {
    .requirements-layout {
        grid-template-columns: 1fr;
    }
    
    .requirements-title {
        font-size: 32px;
    }
    
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* CTA 区域 - 现代设计 */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(197, 41, 46, 0.2) 0%, transparent 60%);
    filter: blur(60px);
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(197, 41, 46, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

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

.cta-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.cta-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.cta-btn svg {
    width: 20px;
    height: 20px;
}

.cta-btn-primary {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
}

.cta-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.4);
}

.cta-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.cta-btn-secondary:hover {
    background: #fff;
    color: #1a1a1a;
}

.cta-btn-secondary:hover svg {
    transform: translateX(4px);
}

.cta-btn-secondary svg {
    transition: transform 0.3s ease;
}

.cta-platforms {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.cta-platforms > span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.cta-platform-icons {
    display: flex;
    gap: 12px;
}

.cta-platform-icons svg {
    width: 24px;
    height: 24px;
    fill: rgba(255, 255, 255, 0.6);
    transition: fill 0.3s ease;
}

.cta-platform-icons svg:hover {
    fill: #fff;
}

@media (max-width: 640px) {
    .cta {
        padding: 80px 0;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* ========================================
   响应式设计
======================================== */
@media (max-width: 1024px) {
    .features-grid,
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .effects-grid,
    .sfx-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid,
    .steps-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
    }
    
    .intro-image {
        order: -1;
    }
    
    .feature-items,
    .use-cases-grid,
    .requirements-content {
        grid-template-columns: 1fr;
    }
    
    .effects-grid,
    .sfx-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-title {
        font-size: 28px;
    }
}

/* ========================================
   页脚 - 现代设计
======================================== */
.site-footer {
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #fff;
    padding: 48px 0 0;
}

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

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 32px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-logo-img {
    width: 44px;
    height: 44px;
    border-radius: 10px;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
}

.footer-logo-name {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    text-align: left;
}

.footer-logo-tagline {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    text-align: left;
}

.footer-contact {
    display: flex;
    gap: 32px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: #C5292E;
    flex-shrink: 0;
}

.footer-contact-item a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact-item a:hover {
    color: #fff;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.footer-notice {
    padding: 32px 0;
}

.footer-notice-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.footer-notice-zh {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin: 0 0 12px;
}

.footer-notice-en {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.7;
    margin: 0;
}

.footer-notice a {
    color: #C5292E;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-notice a:hover {
    color: #ff5a5f;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.footer-copyright a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #C5292E;
}

.footer-badges {
    display: flex;
    gap: 16px;
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
}

.footer-badge svg {
    width: 16px;
    height: 16px;
    color: #C5292E;
}

.footer-badge span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .site-footer {
        padding: 40px 0 0;
    }
    
    .footer-main {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 12px;
    }
    
    .footer-contact-item {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-badges {
        justify-content: center;
    }
}

/* ========================================
   FAQ 页面样式
======================================== */

/* FAQ Hero */
.faq-hero {
    background: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 50%, #383838 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.faq-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(197, 41, 46, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.faq-hero-label,
.faq-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.12);
    border: 1px solid rgba(197, 41, 46, 0.25);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 20px;
}

.faq-hero-title,
.faq-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.faq-subtitle {
    font-size: 20px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
}

.faq-hero-desc,
.faq-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* FAQ 内容区域 */
.faq-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.faq-intro p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* FAQ 分类区块 */
.faq-section,
.faq-category {
    margin-bottom: 48px;
}

.faq-section-title,
.faq-category-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid #e8e8e8;
}

.faq-section-icon,
.faq-category-title svg,
.faq-section-title svg {
    width: 40px;
    height: 40px;
    padding: 10px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 10px;
    color: #fff;
    stroke: #fff;
    flex-shrink: 0;
}

.faq-section-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 24px;
}

/* FAQ 列表 */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.faq-item.active {
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(197, 41, 46, 0.03);
}

.faq-item.active .faq-question {
    background: rgba(197, 41, 46, 0.05);
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.5;
}

.faq-icon,
.faq-question svg {
    width: 24px;
    height: 24px;
    color: #999;
    flex-shrink: 0;
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon,
.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: #C5292E;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 24px;
    transition: padding 0.4s ease-out;
}

.faq-item.active .faq-answer {
    max-height: none;
    overflow: visible;
    padding: 16px 24px 24px;
}

.faq-answer p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 16px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 20px 0 12px;
}

.faq-answer ol,
.faq-answer ul {
    margin: 0 0 16px 0;
    padding-left: 24px;
}

.faq-answer li {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 8px;
}

.faq-answer a {
    color: #C5292E;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.faq-answer a:hover {
    color: #a82226;
    text-decoration: underline;
}

/* FAQ 联系支持区域 */
.faq-contact {
    background: #fff;
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-top: 60px;
}

.faq-contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.faq-contact-icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.faq-contact h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.faq-contact p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.faq-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

.faq-contact-btn svg {
    width: 18px;
    height: 18px;
    stroke: #fff;
    flex-shrink: 0;
}

.faq-note {
    background: rgba(197, 41, 46, 0.05);
    border-left: 3px solid #C5292E;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 16px 0;
}

/* FAQ 表格 */
.faq-table-wrapper {
    overflow-x: auto;
    margin: 16px 0;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
}

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

.faq-table th {
    background: #f8f9fa;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: #1a1a1a;
    border-bottom: 1px solid #e8e8e8;
}

.faq-table td {
    padding: 10px 16px;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

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

.faq-table tr:hover td {
    background: rgba(197, 41, 46, 0.02);
}

/* 视频教程卡片 */
.faq-tutorials {
    margin-top: 24px;
}

.faq-tutorial-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: #fff;
    border-radius: 16px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.faq-tutorial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.12);
}

.faq-tutorial-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.faq-tutorial-icon svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

.faq-tutorial-content {
    flex: 1;
}

.faq-tutorial-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.faq-tutorial-content p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.faq-tutorial-arrow {
    width: 24px;
    height: 24px;
    color: #C5292E;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-tutorial-card:hover .faq-tutorial-arrow {
    transform: translateX(6px);
}

/* 更多帮助 */
.faq-more-help {
    margin-top: 60px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 24px;
    padding: 48px;
    text-align: center;
}

.faq-more-help h3 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.faq-more-help p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
}

.faq-more-help-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.faq-help-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.faq-help-btn svg {
    width: 18px;
    height: 18px;
}

.faq-help-btn-primary {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
}

.faq-help-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

.faq-help-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.faq-help-btn-secondary:hover {
    background: #fff;
    color: #1a1a1a;
}

/* FAQ 响应式 */
@media (max-width: 768px) {
    .faq-hero {
        padding: 80px 0 60px;
    }
    
    .faq-hero-title {
        font-size: 32px;
    }
    
    .faq-content {
        padding: 60px 0;
    }
    
    .faq-section-title {
        font-size: 20px;
    }
    
    .faq-question {
        padding: 16px 20px;
    }
    
    .faq-question span {
        font-size: 15px;
    }
    
    .faq-item.active .faq-answer-inner {
        padding: 16px 20px 20px;
    }
    
    .faq-tutorial-card {
        flex-direction: column;
        text-align: center;
    }
    
    .faq-tutorial-arrow {
        display: none;
    }
    
    .faq-more-help {
        padding: 32px 24px;
    }
    
    .faq-more-help-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .faq-help-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* ========================================
   截图页面样式
   ======================================== */

/* Hero 区域 */
.screenshots-hero {
    background: linear-gradient(135deg, #383838 0%, #1a1a1a 100%);
    padding: 120px 0 60px;
    text-align: center;
}

.screenshots-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.screenshots-hero-label {
    display: inline-block;
    background: rgba(197, 41, 46, 0.15);
    color: #C5292E;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.screenshots-hero-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.screenshots-hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* 介绍区域 */
.screenshots-intro {
    padding: 40px 0;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.screenshots-intro p {
    max-width: 900px;
    margin: 0 auto;
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    text-align: center;
}

.screenshots-intro a {
    color: #C5292E;
    text-decoration: none;
    font-weight: 500;
}

.screenshots-intro a:hover {
    text-decoration: underline;
}

/* 截图内容区域 */
.screenshots-content {
    padding: 60px 0 80px;
    background: #fff;
}

/* 平台选项卡 */
.platform-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.platform-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #f5f5f5;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 15px;
    font-weight: 500;
    color: #666;
}

.platform-tab svg {
    width: 20px;
    height: 20px;
}

.platform-tab:hover {
    background: #fff;
    border-color: #ddd;
    color: #333;
}

.platform-tab.active {
    background: #fff;
    border-color: #C5292E;
    color: #C5292E;
}

/* 平台内容 */
.platform-content {
    display: none;
}

.platform-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.platform-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

.platform-title-icon {
    width: 32px;
    height: 32px;
    color: #C5292E;
}

/* 画廊网格 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-grid-mobile {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    max-width: 800px;
    margin: 0 auto;
}

/* 画廊卡片 */
.gallery-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.gallery-card-mobile {
    max-width: 220px;
    margin: 0 auto;
}

.gallery-card-image {
    position: relative;
    overflow: hidden;
    background: #f5f5f5;
}

.gallery-card-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-card:hover .gallery-card-image img {
    transform: scale(1.05);
}

.gallery-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(197, 41, 46, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-card:hover .gallery-card-overlay {
    opacity: 1;
}

.gallery-card-overlay svg {
    width: 48px;
    height: 48px;
    color: #fff;
}

.gallery-card-info {
    padding: 20px;
}

.gallery-card-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.gallery-card-info p {
    font-size: 13px;
    color: #888;
    line-height: 1.5;
}

/* iPad 特色展示 */
.gallery-featured {
    max-width: 900px;
    margin: 0 auto;
}

.gallery-featured-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-featured-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.15);
}

.gallery-featured-image {
    position: relative;
    overflow: hidden;
    background: #f5f5f5;
}

.gallery-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-featured-card:hover .gallery-featured-image img {
    transform: scale(1.03);
}

.gallery-featured-card:hover .gallery-card-overlay {
    opacity: 1;
}

.gallery-featured-info {
    padding: 40px;
}

.gallery-featured-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
}

.gallery-featured-info p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

/* 灯箱 */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .screenshots-hero-title {
        font-size: 36px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-featured-card {
        grid-template-columns: 1fr;
    }
    
    .gallery-featured-info {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .screenshots-hero {
        padding: 100px 0 50px;
    }
    
    .screenshots-hero-title {
        font-size: 28px;
    }
    
    .screenshots-hero-desc {
        font-size: 16px;
    }
    
    .platform-tabs {
        gap: 6px;
    }
    
    .platform-tab {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .platform-tab span {
        display: none;
    }
    
    .platform-tab svg {
        width: 24px;
        height: 24px;
    }
    
    .platform-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .platform-title-icon {
        width: 28px;
        height: 28px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .gallery-card-info {
        padding: 16px;
    }
    
    .gallery-card-info h3 {
        font-size: 14px;
    }
    
    .gallery-card-info p {
        font-size: 12px;
    }
    
    .gallery-featured-info h3 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .screenshots-hero-title {
        font-size: 24px;
    }
    
    .platform-tab {
        padding: 10px 14px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .gallery-grid-mobile {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
    }
    
    .gallery-card-mobile {
        max-width: 100%;
    }
}

/* ========================================
   技术支持页面样式
   ======================================== */

/* Hero 区域 */
.support-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    text-align: center;
}

.support-hero-label {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(197, 41, 46, 0.15);
    color: #C5292E;
    font-size: 14px;
    font-weight: 600;
    border-radius: 30px;
    margin-bottom: 20px;
}

.support-hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.support-hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 支持方式 */
.support-options {
    padding: 80px 0;
    background: #f8f9fa;
}

.support-options-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.support-option-card {
    background: #fff;
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.support-option-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.support-option-primary {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
}

.support-option-primary .support-option-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.support-option-primary .support-option-title,
.support-option-primary .support-option-desc {
    color: #fff;
}

.support-option-primary .support-option-desc {
    opacity: 0.9;
}

.support-option-icon {
    width: 64px;
    height: 64px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #C5292E;
}

.support-option-icon svg {
    width: 28px;
    height: 28px;
}

.support-option-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.support-option-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 24px;
}

.support-option-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #fff;
    color: #C5292E;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.support-option-btn:hover {
    transform: translateX(4px);
}

.support-option-btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.support-option-btn:hover svg {
    transform: translateX(4px);
}

.support-option-btn-secondary {
    background: rgba(197, 41, 46, 0.1);
}

.support-option-btn-secondary:hover {
    background: rgba(197, 41, 46, 0.15);
}

/* 快速帮助 */
.support-quick {
    padding: 80px 0;
    background: #fff;
}

.support-quick-header {
    text-align: center;
    margin-bottom: 48px;
}

.support-quick-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.support-quick-desc {
    font-size: 16px;
    color: #666;
}

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

.support-quick-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    background: #f8f9fa;
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.support-quick-card:hover {
    background: #fff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateX(4px);
}

.support-quick-icon {
    width: 52px;
    height: 52px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.support-quick-icon svg {
    width: 24px;
    height: 24px;
    color: #C5292E;
}

.support-quick-content {
    flex: 1;
}

.support-quick-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.support-quick-content p {
    font-size: 14px;
    color: #666;
}

.support-quick-arrow {
    width: 20px;
    height: 20px;
    color: #ccc;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.support-quick-card:hover .support-quick-arrow {
    color: #C5292E;
    transform: translateX(4px);
}

/* 下载资源 */
.support-resources {
    padding: 80px 0;
    background: #f8f9fa;
}

.support-resources-header {
    text-align: center;
    margin-bottom: 48px;
}

.support-resources-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.support-resources-desc {
    font-size: 16px;
    color: #666;
}

.support-resources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.support-resource-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 24px;
    background: #fff;
    border-radius: 12px;
    text-decoration: none;
    color: #333;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.support-resource-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    color: #C5292E;
}

.support-resource-card svg {
    width: 24px;
    height: 24px;
}

/* 联系信息 */
.support-contact {
    padding: 80px 0;
    background: #fff;
}

.support-contact-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 24px;
    padding: 48px 56px;
}

.support-contact-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.support-contact-info > p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
}

.support-contact-details {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.support-contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.support-contact-item svg {
    width: 24px;
    height: 24px;
    color: #C5292E;
}

.support-contact-item .label {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.support-contact-item a,
.support-contact-item span:not(.label) {
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
}

.support-contact-item a:hover {
    color: #C5292E;
}

.support-contact-action {
    text-align: center;
}

.support-contact-cta {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px 40px;
}

.support-contact-cta h4 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.support-contact-cta p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.support-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: #C5292E;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.support-contact-btn:hover {
    background: #a82226;
    transform: translateY(-2px);
}

.support-contact-btn svg {
    width: 18px;
    height: 18px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .support-options-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-contact-card {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .support-hero {
        padding: 120px 0 60px;
    }
    
    .support-hero-title {
        font-size: 32px;
    }
    
    .support-hero-desc {
        font-size: 16px;
    }
    
    .support-options {
        padding: 60px 0;
    }
    
    .support-options-grid {
        grid-template-columns: 1fr;
    }
    
    .support-quick-grid {
        grid-template-columns: 1fr;
    }
    
    .support-quick-title,
    .support-resources-title {
        font-size: 26px;
    }
    
    .support-resources-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .support-contact-card {
        padding: 32px 28px;
    }
    
    .support-contact-details {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .support-hero-title {
        font-size: 28px;
    }
    
    .support-option-card {
        padding: 28px 20px;
    }
    
    .support-resources-grid {
        grid-template-columns: 1fr;
    }
    
    .support-contact-cta {
        padding: 24px 20px;
    }
}

/* ========================================
   PhotoPad 特有样式
======================================== */

/* 产品介绍区域 */
.intro-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.3;
}

.intro-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-features {
    list-style: none;
    margin: 24px 0;
}

.intro-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: #444;
}

.intro-features li svg {
    width: 20px;
    height: 20px;
    color: #C5292E;
    flex-shrink: 0;
}

.intro-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* 功能展示区域 */
.features-showcase {
    padding: 80px 0;
    background: #fff;
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 40px 0;
    border-bottom: 1px solid #eee;
}

.showcase-item:last-child {
    border-bottom: none;
}

.showcase-item-reverse {
    direction: rtl;
}

.showcase-item-reverse > * {
    direction: ltr;
}

.showcase-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.showcase-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.showcase-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 选择理由区域 */
.reasons-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #383838 0%, #2d2d2d 100%);
}

.reasons-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.reasons-section .section-label {
    color: #C5292E;
}

.reasons-section .section-title {
    color: #fff;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.reason-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.reason-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.reason-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin: 0 auto 20px;
}

.reason-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
}

.reason-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* 智能功能区域 */
.smart-features {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.smart-feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.smart-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.smart-feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.smart-feature-icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.smart-feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.smart-feature-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 - PhotoPad 特有 */
@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .showcase-item {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .showcase-item-reverse {
        direction: ltr;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .smart-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .intro-section {
        padding: 60px 0;
    }
    
    .intro-text h2 {
        font-size: 26px;
    }
    
    .features-showcase {
        padding: 60px 0;
    }
    
    .showcase-content h3 {
        font-size: 20px;
    }
    
    .reasons-section {
        padding: 60px 0;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .smart-features {
        padding: 60px 0;
    }
    
    .smart-features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .reasons-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Support 页面样式
======================================== */
.support-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #383838 0%, #2d2d2d 100%);
    text-align: center;
}

.support-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.support-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.15);
    border: 1px solid rgba(197, 41, 46, 0.3);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #C5292E;
    margin-bottom: 20px;
}

.support-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.support-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.support-options {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.support-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.support-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.support-card-icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.support-card h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.support-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 24px;
}

.support-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.support-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(197, 41, 46, 0.4);
}

.support-quick {
    padding: 80px 0;
    background: #fff;
}

.support-quick-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 40px;
}

.support-quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.support-quick-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.support-quick-item:hover {
    background: #eee;
    transform: translateY(-3px);
}

.support-quick-item svg {
    width: 32px;
    height: 32px;
    color: #C5292E;
}

.support-quick-item span {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
}

.support-contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #383838 0%, #2d2d2d 100%);
}

.support-contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: #fff;
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.support-contact-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.support-contact-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 30px;
}

.support-contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.support-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.support-contact-item svg {
    width: 24px;
    height: 24px;
    color: #C5292E;
}

.support-contact-item span {
    font-size: 16px;
    font-weight: 500;
    color: #1a1a1a;
}

.support-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.support-contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

/* Support 响应式 */
@media (max-width: 1024px) {
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .support-hero {
        padding: 120px 0 60px;
    }
    
    .support-title {
        font-size: 32px;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .support-quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-contact-info {
        flex-direction: column;
        gap: 20px;
    }
}

/* ========================================
   Screenshots 页面样式
======================================== */
.screenshots-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #383838 0%, #2d2d2d 100%);
    text-align: center;
}

.screenshots-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.screenshots-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.15);
    border: 1px solid rgba(197, 41, 46, 0.3);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #C5292E;
    margin-bottom: 20px;
}

.screenshots-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.screenshots-subtitle {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.screenshots-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.screenshots-gallery {
    padding: 80px 0;
    background: #fff;
}

.screenshot-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid #eee;
}

.screenshot-item:first-child {
    padding-top: 0;
}

.screenshot-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.screenshot-item-reverse {
    grid-template-columns: 1.5fr 1fr;
}

.screenshot-item-reverse .screenshot-content {
    order: 2;
}

.screenshot-item-reverse .screenshot-image {
    order: 1;
}

.screenshot-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.screenshot-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.screenshot-image {
    background: linear-gradient(135deg, #f0f0f0 0%, #e5e5e5 100%);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.screenshot-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.screenshots-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #383838 0%, #2d2d2d 100%);
}

.screenshots-cta-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.screenshots-cta-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.screenshots-cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 30px;
}

.screenshots-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.screenshots-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(197, 41, 46, 0.4);
}

.screenshots-cta-btn svg {
    width: 20px;
    height: 20px;
}

/* Screenshots 响应式 */
@media (max-width: 1024px) {
    .screenshot-item,
    .screenshot-item-reverse {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .screenshot-item-reverse .screenshot-content,
    .screenshot-item-reverse .screenshot-image {
        order: unset;
    }
}

@media (max-width: 768px) {
    .screenshots-hero {
        padding: 120px 0 60px;
    }
    
    .screenshots-title {
        font-size: 32px;
    }
    
    .screenshots-gallery {
        padding: 60px 0;
    }
    
    .screenshot-content h2 {
        font-size: 24px;
    }
    
    .screenshots-cta {
        padding: 60px 0;
    }
    
    .screenshots-cta-content h2 {
        font-size: 26px;
    }
}

/* ========================================
   Download Section 浅色简洁设计
======================================== */
.download-section-light {
    padding: 80px 0;
    background: #f8f9fa;
}

.download-header-light {
    text-align: center;
    margin-bottom: 50px;
}

.download-title-light {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.download-subtitle-light {
    font-size: 16px;
    color: #666;
}

.download-grid-light {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.download-item-light {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-item-light:hover {
    border-color: #C5292E;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.download-item-light svg {
    width: 32px;
    height: 32px;
    fill: #333;
}

.download-item-light svg[stroke] {
    fill: none;
    stroke: #333;
}

.download-item-light:hover svg {
    fill: #C5292E;
}

.download-item-light:hover svg[stroke] {
    fill: none;
    stroke: #C5292E;
}

.download-item-name {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
}

.download-item-desc {
    font-size: 12px;
    color: #999;
}

.download-requirements {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #e8e8e8;
}

.download-requirements h3 {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.download-requirements p {
    font-size: 13px;
    color: #666;
}

/* Download Section Light 响应式 */
@media (max-width: 1024px) {
    .download-grid-light {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .download-section-light {
        padding: 60px 0;
    }
    
    .download-title-light {
        font-size: 28px;
    }
    
    .download-grid-light {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .download-grid-light {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .download-item-light {
        padding: 20px 12px;
    }
}

/* ========================================
   CTA Simple 简洁设计
======================================== */
.cta-simple {
    padding: 60px 0;
    background: #fff;
    border-top: 1px solid #e8e8e8;
}

.cta-simple-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-simple-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.cta-simple-content p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.cta-simple-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.cta-simple-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: #C5292E;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-simple-btn:hover {
    background: #a82226;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197, 41, 46, 0.3);
}

.cta-simple-btn svg {
    width: 18px;
    height: 18px;
}

.cta-simple-link {
    font-size: 15px;
    font-weight: 600;
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.cta-simple-link:hover {
    color: #C5292E;
}

@media (max-width: 480px) {
    .cta-simple-content h2 {
        font-size: 24px;
    }
    
    .cta-simple-actions {
        flex-direction: column;
        gap: 16px;
    }
}

/* ========================================
   Hero Logo 图片样式
======================================== */
.hero-logo-img {
    width: 280px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ========================================
   Section Header 通用样式
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.1);
    border: 1px solid rgba(197, 41, 46, 0.2);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #C5292E;
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.3;
}

/* ========================================
   Features Section 功能区域样式
======================================== */
.features-section {
    padding: 80px 0;
    background: #fff;
}

.features-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 28px 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.5;
}

/* Features Section 响应式 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .features-section {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Features Section Alt 样式
======================================== */
.features-section-alt {
    background: #f8f9fa;
}

.features-section-alt .feature-card {
    background: #fff;
}

.features-section-alt .feature-card:hover {
    background: #fff;
}

/* ========================================
   下载按钮网格样式
======================================== */
.download-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(197, 41, 46, 0.4);
}

.download-btn svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* 响应式 - Hero Logo */
@media (max-width: 768px) {
    .hero-logo-img {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .hero-logo-img {
        width: 160px;
    }
}

/* ========================================
   Features Highlight 核心特性区域
======================================== */
.features-highlight {
    padding: 60px 0;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.features-highlight-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.feature-highlight-card {
    text-align: center;
    padding: 24px 16px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-highlight-card:hover {
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.feature-highlight-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.feature-highlight-icon svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

.feature-highlight-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.feature-highlight-card p {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

/* Features Highlight 响应式 */
@media (max-width: 1024px) {
    .features-highlight-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .features-highlight {
        padding: 40px 0;
    }
    
    .features-highlight-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .features-highlight-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Switch 特定样式
======================================== */

/* 格式标签云 */
.format-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 40px 0;
}

.format-tag {
    display: inline-block;
    padding: 8px 20px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.format-tag:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}

.format-tag-primary {
    background: linear-gradient(135deg, #C5292E 0%, #a82126 100%);
    color: #fff;
}

.format-tag-primary:hover {
    background: linear-gradient(135deg, #d43a3f 0%, #C5292E 100%);
}

/* 格式转换信息卡片 */
.format-conversion-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.format-info-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid #e2e8f0;
}

.format-info-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 12px;
}

.format-info-card p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.8;
}

/* 应用场景网格 */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.use-case-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #C5292E;
}

.use-case-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(168, 33, 38, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.use-case-icon svg {
    width: 24px;
    height: 24px;
    stroke: #C5292E;
}

.use-case-card h3 {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    line-height: 1.5;
}

/* 热门转换标签 */
.conversion-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.conversion-tag {
    display: inline-block;
    padding: 10px 24px;
    background: #fff;
    color: #C5292E;
    border: 2px solid #C5292E;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.conversion-tag:hover {
    background: #C5292E;
    color: #fff;
    transform: translateY(-2px);
}

/* 热门转换区域 */
.popular-conversions {
    padding: 80px 0;
    background: #f8fafc;
}

/* 响应式 */
@media (max-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .format-conversion-info {
        grid-template-columns: 1fr;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .format-tags,
    .conversion-tags {
        gap: 8px;
    }
    
    .format-tag,
    .conversion-tag {
        padding: 6px 14px;
        font-size: 12px;
    }
}

/* ========================================
   DreamPlan 首页新增样式
   ======================================== */

/* 功能亮点区域 */
.feature-highlights {
    padding: 80px 0;
    background: #fff;
}

.feature-highlights-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.feature-highlight-card {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 32px 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-highlight-card:hover {
    background: #fff;
    border-color: #C5292E;
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.1);
    transform: translateY(-4px);
}

.feature-highlight-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: rgba(197, 41, 46, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-highlight-card:hover .feature-highlight-icon {
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
}

.feature-highlight-icon svg {
    width: 28px;
    height: 28px;
    stroke: #C5292E;
    transition: stroke 0.3s ease;
}

.feature-highlight-card:hover .feature-highlight-icon svg {
    stroke: #fff;
}

.feature-highlight-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.feature-highlight-card p {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 1024px) {
    .feature-highlights-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .feature-highlights {
        padding: 60px 0;
    }
    
    .feature-highlights-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .feature-highlight-card {
        padding: 24px 16px;
    }
}

/* 截图功能列表样式 */
.screenshot-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.1);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.screenshot-features {
    list-style: none;
    padding: 0;
    margin: 24px 0 0 0;
}

.screenshot-features li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
}

.screenshot-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: #C5292E;
    border-radius: 50%;
}

/* 房间设计区域 */
.room-designs {
    padding: 100px 0;
    background: #f8fafc;
}

.room-designs-header {
    text-align: center;
    margin-bottom: 60px;
}

.room-designs-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.1);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.room-designs-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.room-designs-desc {
    font-size: 18px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

.room-designs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.room-design-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.room-design-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.room-design-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.room-design-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.room-design-card:hover .room-design-image img {
    transform: scale(1.05);
}

.room-design-content {
    padding: 24px;
}

.room-design-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.room-design-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* 3D模型库区域 */
.model-library {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.model-library-header {
    text-align: center;
    margin-bottom: 60px;
}

.model-library-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.2);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.model-library-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.model-library-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto;
}

.model-library-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.model-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.model-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.model-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.model-card span {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

/* 材质库和导入区域 */
.texture-import {
    padding: 100px 0;
    background: #fff;
}

.texture-import-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.texture-card {
    display: flex;
    flex-direction: column;
    background: #f8fafc;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.texture-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.texture-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.texture-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.texture-card:hover .texture-image img {
    transform: scale(1.03);
}

.texture-content {
    padding: 32px;
}

.texture-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.texture-content p {
    font-size: 15px;
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

/* 视图模式区域 */
.view-modes {
    padding: 100px 0;
    background: #f8fafc;
}

.view-modes-header {
    text-align: center;
    margin-bottom: 60px;
}

.view-modes-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.1);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.view-modes-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
}

.view-modes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.view-mode-card {
    text-align: center;
}

.view-mode-image {
    width: 100%;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.view-mode-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.view-mode-card:hover .view-mode-image img {
    transform: scale(1.05);
}

.view-mode-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
}

/* 设计步骤区域 */
.design-steps {
    padding: 100px 0;
    background: #fff;
}

.design-steps-header {
    text-align: center;
    margin-bottom: 60px;
}

.design-steps-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.1);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.design-steps-title {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
}

.design-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.design-step-card {
    background: #f8fafc;
    border-radius: 20px;
    overflow: visible;
    transition: all 0.3s ease;
    margin-top: 24px;
}

.design-step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.design-step-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.design-step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.design-step-content {
    padding: 28px;
    position: relative;
}

.design-step-number {
    position: absolute;
    top: -24px;
    left: 28px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(197, 41, 46, 0.4);
}

.design-step-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    margin-top: 16px;
}

.design-step-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

/* 户外设计区域 */
.outdoor-designs {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.outdoor-designs-header {
    text-align: center;
    margin-bottom: 60px;
}

.outdoor-designs-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.2);
    color: #C5292E;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.outdoor-designs-title {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
}

.outdoor-designs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.outdoor-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.outdoor-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
}

.outdoor-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.outdoor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.outdoor-card:hover .outdoor-image img {
    transform: scale(1.05);
}

.outdoor-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    padding: 20px 24px 8px;
}

.outdoor-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    padding: 0 24px 24px;
    margin: 0;
    line-height: 1.6;
}

/* 用户评价区域 */
.testimonial {
    padding: 100px 0;
    background: #f8fafc;
}

.testimonial-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-quote {
    width: 48px;
    height: 48px;
    color: #C5292E;
    opacity: 0.3;
    margin-bottom: 24px;
}

.testimonial-content blockquote {
    font-size: 24px;
    font-weight: 500;
    color: #1a1a1a;
    line-height: 1.6;
    font-style: italic;
    margin: 0 0 24px 0;
}

.testimonial-content cite {
    font-size: 16px;
    color: #64748b;
    font-style: normal;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .room-designs-grid,
    .view-modes-grid,
    .design-steps-grid,
    .outdoor-designs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .texture-import-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .room-designs-grid,
    .view-modes-grid,
    .design-steps-grid,
    .outdoor-designs-grid {
        grid-template-columns: 1fr;
    }
    
    .room-designs-title,
    .model-library-title,
    .view-modes-title,
    .design-steps-title,
    .outdoor-designs-title {
        font-size: 32px;
    }
    
    .model-library-grid {
        gap: 20px;
    }
    
    .model-card {
        padding: 16px;
    }
    
    .model-card img {
        width: 60px;
        height: 60px;
    }
    
    .testimonial-content blockquote {
        font-size: 18px;
    }
}

/* ========================================
   全新价格区域样式
   ======================================== */
.pricing-new {
    padding: 120px 0;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 50%, #252525 100%);
    position: relative;
    overflow: hidden;
}

.pricing-new::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(197, 41, 46, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.pricing-new-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.pricing-new-left {
    color: #fff;
}

.pricing-new-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 30px;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-new-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-new-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.7;
}

.pricing-new-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-new-features li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pricing-new-features li:last-child {
    border-bottom: none;
}

.pricing-new-features li svg {
    width: 22px;
    height: 22px;
    stroke: #C5292E;
    flex-shrink: 0;
}

.pricing-new-right {
    display: flex;
    justify-content: center;
}

.pricing-new-card {
    background: #fff;
    border-radius: 24px;
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    position: relative;
}

.pricing-new-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #C5292E 0%, #ff6b6b 50%, #C5292E 100%);
    border-radius: 26px;
    z-index: -1;
    opacity: 0.5;
}

.pricing-new-card-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-new-card-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(197, 41, 46, 0.1);
    color: #C5292E;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.pricing-new-card-name {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.pricing-new-card-desc {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.pricing-new-card-price {
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    margin-bottom: 32px;
}

.pricing-new-price-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.pricing-new-original {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
}

.pricing-new-discount {
    display: inline-block;
    padding: 4px 10px;
    background: #C5292E;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
}

.pricing-new-current {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.pricing-new-currency {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-top: 8px;
}

.pricing-new-amount {
    font-size: 72px;
    font-weight: 800;
    color: #1a1a1a;
    line-height: 1;
}

.pricing-new-period {
    font-size: 14px;
    color: #666;
}

.pricing-new-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

.pricing-new-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.5);
}

.pricing-new-btn svg {
    width: 22px;
    height: 22px;
}

.pricing-new-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed #eee;
}

.pricing-new-guarantee svg {
    width: 18px;
    height: 18px;
    stroke: #28a745;
}

.pricing-new-guarantee span {
    font-size: 13px;
    color: #666;
}

@media (max-width: 1024px) {
    .pricing-new-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .pricing-new-title {
        font-size: 36px;
    }
}

@media (max-width: 640px) {
    .pricing-new {
        padding: 80px 0;
    }
    
    .pricing-new-title {
        font-size: 28px;
    }
    
    .pricing-new-card {
        padding: 32px 24px;
    }
    
    .pricing-new-amount {
        font-size: 56px;
    }
}

/* ========================================
   全新下载区域样式
   ======================================== */
.download-new {
    padding: 100px 0;
    background: #fff;
}

.download-new-header {
    text-align: center;
    margin-bottom: 60px;
}

.download-new-title {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.download-new-desc {
    font-size: 18px;
    color: #64748b;
    max-width: 500px;
    margin: 0 auto;
}

.download-new-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto 60px;
}

.download-new-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    background: #f8fafc;
    border: 2px solid transparent;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-new-card:hover {
    background: #fff;
    border-color: #C5292E;
    box-shadow: 0 12px 40px rgba(197, 41, 46, 0.15);
    transform: translateY(-4px);
}

.download-new-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 14px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.download-new-card-icon svg {
    width: 28px;
    height: 28px;
}

.download-new-windows .download-new-card-icon svg {
    fill: #0078d4;
}

.download-new-mac .download-new-card-icon svg {
    fill: #333;
}

.download-new-card-content {
    flex: 1;
}

.download-new-card-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.download-new-card-info {
    font-size: 14px;
    color: #64748b;
}

.download-new-card-action {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 12px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.download-new-card:hover .download-new-card-action {
    transform: scale(1.1);
}

.download-new-card-action svg {
    width: 22px;
    height: 22px;
    stroke: #fff;
}

.download-new-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid #eee;
    margin: 40px 0 0 0; 
}

.download-new-stat {
    text-align: center;
}

.download-new-stat-value {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.download-new-stat-label {
    font-size: 14px;
    color: #64748b;
}

@media (max-width: 768px) {
    .download-new-grid {
        grid-template-columns: 1fr;
    }
    
    .download-new-title {
        font-size: 32px;
    }
    
    .download-new-stats {
        flex-wrap: wrap;
        gap: 32px;
    }
    
    .download-new-stat {
        width: calc(50% - 16px);
    }
}

@media (max-width: 480px) {
    .download-new-card {
        padding: 20px;
    }
    
    .download-new-stat-value {
        font-size: 24px;
    }
}

/* ========================================
   Support 页面工单按钮样式
   ======================================== */
.support-ticket-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
}

.support-ticket-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(197, 41, 46, 0.5);
}

.support-ticket-btn svg {
    width: 20px;
    height: 20px;
    stroke: #fff;
}

/* ========================================
   Express Invoice 全新产品介绍区域
   现代、简洁、专业设计
   ======================================== */

/* 产品展示区 - 沉浸式设计 */
.product-showcase {
    padding: 120px 0;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.product-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(197, 41, 46, 0.2), transparent);
}

.product-showcase-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.product-showcase-inner.reverse {
    direction: rtl;
}

.product-showcase-inner.reverse > * {
    direction: ltr;
}

.product-showcase-visual {
    position: relative;
}

.product-showcase-frame {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 4px 6px rgba(0, 0, 0, 0.02),
        0 12px 24px rgba(0, 0, 0, 0.06),
        0 32px 64px rgba(0, 0, 0, 0.08);
    transform: perspective(1000px) rotateY(-2deg);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-showcase-frame:hover {
    transform: perspective(1000px) rotateY(0deg) translateY(-8px);
    box-shadow: 
        0 8px 12px rgba(0, 0, 0, 0.04),
        0 24px 48px rgba(0, 0, 0, 0.08),
        0 48px 96px rgba(0, 0, 0, 0.12);
}

.product-showcase-frame img {
    height: auto;
    display: block;
}

.product-showcase-badge {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #C5292E 0%, #a82226 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 8px 24px rgba(197, 41, 46, 0.4);
    z-index: 10;
}

.product-showcase-badge-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 2px;
}

.product-showcase-badge-text {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-showcase-content {
    padding: 20px 0;
}

.product-showcase-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
    border-radius: 100px;
    margin-bottom: 24px;
}

.product-showcase-eyebrow-dot {
    width: 8px;
    height: 8px;
    background: #C5292E;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.product-showcase-eyebrow-text {
    font-size: 13px;
    font-weight: 600;
    color: #C5292E;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-showcase-title {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.product-showcase-title span {
    background: linear-gradient(135deg, #C5292E 0%, #e63946 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-showcase-desc {
    font-size: 18px;
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 32px;
}

.product-showcase-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.product-showcase-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.product-showcase-feature:hover {
    border-color: rgba(197, 41, 46, 0.2);
    box-shadow: 0 4px 16px rgba(197, 41, 46, 0.08);
    transform: translateX(4px);
}

.product-showcase-feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
    border-radius: 10px;
    flex-shrink: 0;
}

.product-showcase-feature-icon svg {
    width: 22px;
    height: 22px;
    stroke: #C5292E;
}

.product-showcase-feature-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.product-showcase-feature-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
}

.product-showcase-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #383838 0%, #1a1a1a 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.product-showcase-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.product-showcase-cta svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.product-showcase-cta:hover svg {
    transform: translateX(4px);
}

/* 功能网格区 - 卡片式设计 */
.features-grid-section {
    padding: 100px 0;
    background: #fff;
}

.features-grid-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.features-grid-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
    border-radius: 100px;
    margin-bottom: 20px;
}

.features-grid-label-icon {
    width: 16px;
    height: 16px;
    stroke: #C5292E;
}

.features-grid-label-text {
    font-size: 13px;
    font-weight: 600;
    color: #C5292E;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.features-grid-title {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.features-grid-desc {
    font-size: 18px;
    color: #64748b;
    line-height: 1.6;
}

.features-grid-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-grid-card {
    position: relative;
    padding: 32px 28px;
    background: #fff;
    border-radius: 20px;
    border: 1px solid #f1f5f9;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.feature-grid-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #C5292E, #e63946);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-grid-card:hover {
    border-color: transparent;
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 16px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-8px);
}

.feature-grid-card:hover::before {
    transform: scaleX(1);
}

.feature-grid-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #f1f5f9 100%);
    border-radius: 14px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.feature-grid-card:hover .feature-grid-card-icon {
    background: linear-gradient(135deg, rgba(197, 41, 46, 0.1) 0%, rgba(197, 41, 46, 0.05) 100%);
}

.feature-grid-card-icon svg {
    width: 26px;
    height: 26px;
    stroke: #383838;
    transition: stroke 0.3s ease;
}

.feature-grid-card:hover .feature-grid-card-icon svg {
    stroke: #C5292E;
}

.feature-grid-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.feature-grid-card p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

/* 设备同步区 - 全宽沉浸式 */
.devices-showcase {
    padding: 100px 0;
    background: linear-gradient(180deg, #1a1a1a 0%, #383838 100%);
    position: relative;
    overflow: hidden;
}

.devices-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(197, 41, 46, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.devices-showcase-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
    position: relative;
    z-index: 1;
}

.devices-showcase-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.devices-showcase-label-text {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.devices-showcase-title {
    font-size: 44px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.devices-showcase-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.devices-showcase-image {
    position: relative;
    z-index: 1;
    text-align: center;
}

.devices-showcase-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 40px 80px rgba(0, 0, 0, 0.2);
}

.devices-showcase-platforms {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 48px;
    position: relative;
    z-index: 1;
}

.devices-platform {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.devices-platform svg {
    width: 24px;
    height: 24px;
    fill: #fff;
}

.devices-platform span {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-showcase-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .product-showcase-inner.reverse {
        direction: ltr;
    }
    
    .product-showcase-frame {
        transform: none;
    }
    
    .product-showcase-title {
        font-size: 36px;
    }
    
    .features-grid-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .devices-showcase-platforms {
        flex-wrap: wrap;
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .product-showcase {
        padding: 80px 0;
    }
    
    .product-showcase-inner {
        max-width: 100%;
        overflow: hidden;
    }
    
    .product-showcase-visual {
        max-width: 100%;
    }
    
    .product-showcase-frame {
        max-width: 100%;
    }
    
    .product-showcase-frame img {
        max-width: 100%;
        height: auto;
    }
    
    .product-showcase-title {
        font-size: 32px;
    }
    
    .product-showcase-desc {
        font-size: 16px;
    }
    
    .features-grid-section {
        padding: 60px 0;
    }
    
    .features-grid-title {
        font-size: 32px;
    }
    
    .features-grid-cards {
        grid-template-columns: 1fr;
    }
    
    .feature-grid-card {
        text-align: center;
    }
    
    .feature-grid-card-icon {
        margin: 0 auto 20px;
    }
    
    .product-showcase-feature {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .product-showcase-feature-icon {
        margin: 0 auto 12px;
    }
    
    .product-showcase-feature-content {
        text-align: center;
    }
    
    .product-showcase-features {
        gap: 24px;
    }
    
    .product-showcase-cta {
        display: flex;
        justify-content: center;
        margin: 0 auto;
    }
    
    .product-showcase-content {
        text-align: center;
    }
    
    .devices-showcase {
        padding: 60px 0;
    }
    
    .devices-showcase-title {
        font-size: 32px;
    }
    
    .devices-showcase-platforms {
        flex-direction: column;
        align-items: center;
    }
}