/* ========================================
   智视界AI官网 - 赛博朋克科技风格样式
   ======================================== */

/* CSS变量定义 */
:root {
    --color-primary: #0A1628;
    --color-secondary: #00D4FF;
    --color-accent: #7B2FFF;
    --color-gold: #FFB800;
    --color-dark: #050A15;
    --color-light: #E8F4F8;
    --color-gray: #8A9BAE;
    
    --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #7B2FFF 100%);
    --gradient-gold: linear-gradient(135deg, #FFB800 0%, #FF6B00 100%);
    --gradient-bg: linear-gradient(180deg, #050A15 0%, #0A1628 50%, #050A15 100%);
    
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
    
    --font-main: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Consolas', monospace;
    
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 通用容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 渐变文字 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: rgba(5, 10, 21, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition-fast);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(5, 10, 21, 0.95);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 2px;
}

.logo-en {
    font-size: 10px;
    color: var(--color-gray);
    letter-spacing: 1px;
}

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

.nav-links a {
    font-size: 14px;
    color: var(--color-light);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-fast);
}

.nav-links a:not(.btn-nav):hover::after {
    width: 100%;
}

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

.btn-nav {
    background: var(--gradient-primary);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
}

.btn-nav:hover {
    box-shadow: var(--shadow-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/hero_bg.jpg') center center / cover no-repeat;
    z-index: -2;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(180deg, rgba(5,10,21,0.55) 0%, rgba(10,22,40,0.7) 40%, rgba(5,10,21,0.85) 100%),
        radial-gradient(ellipse at 20% 50%, rgba(123, 47, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 212, 255, 0.2) 0%, transparent 50%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-gray);
    margin-bottom: 30px;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    font-size: 14px;
    color: var(--color-secondary);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-secondary);
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid var(--color-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-gray);
    font-size: 12px;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-gray);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 2px;
    animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 0.3; }
}

/* ========================================
   通用区块
   ======================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.title-icon {
    color: var(--color-secondary);
    font-size: 20px;
}

.section-desc {
    text-align: center;
    color: var(--color-gray);
    font-size: 16px;
    margin-bottom: 60px;
}

/* ========================================
   关于智视界
   ======================================== */
.about {
    background: 
        linear-gradient(180deg, rgba(5,10,21,0.8) 0%, rgba(5,10,21,0.9) 50%, rgba(5,10,21,0.8) 100%),
        url('images/section_bg.jpg') center center / cover no-repeat;
}

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

.about-text h3 {
    font-size: 24px;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--color-gray);
    margin-bottom: 15px;
    font-size: 15px;
}

.about-text strong {
    color: var(--color-light);
}

.about-text em {
    color: var(--color-gold);
    font-style: normal;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: var(--transition-fast);
}

.stat-item:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-mono);
}

.stat-unit {
    font-size: 18px;
    color: var(--color-secondary);
    margin-left: 5px;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-gray);
    margin-top: 5px;
}

/* ========================================
   三大战略板块
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(123, 47, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    transition: var(--transition-fast);
}

.service-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.service-card.featured {
    border-color: var(--color-gold);
    background: linear-gradient(180deg, rgba(255, 184, 0, 0.1) 0%, rgba(10, 22, 40, 0.8) 100%);
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--color-primary);
    padding: 5px 20px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon svg {
    width: 30px;
    height: 30px;
    color: var(--color-secondary);
}

.service-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-desc {
    color: var(--color-gray);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-list li {
    font-size: 14px;
    color: var(--color-light);
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* ========================================
   课程体系
   ======================================== */
.courses {
    background: 
        linear-gradient(180deg, rgba(5,10,21,0.85) 0%, rgba(10,22,40,0.9) 50%, rgba(5,10,21,0.85) 100%),
        url('images/ai_robot.jpg') center center / cover no-repeat;
}

.founder-banner {
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.2) 0%, rgba(255, 107, 0, 0.2) 100%);
    border: 2px solid var(--color-gold);
    border-radius: 20px;
    padding: 30px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.banner-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.banner-content p {
    color: var(--color-light);
}

.banner-content strong {
    color: var(--color-gold);
    font-size: 28px;
}

.banner-tag {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--color-primary);
    padding: 5px 15px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

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

.countdown-label {
    display: block;
    font-size: 14px;
    color: var(--color-gray);
    margin-bottom: 5px;
}

.countdown-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-gold);
    font-family: var(--font-mono);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.course-card {
    background: rgba(10, 22, 40, 0.9);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 25px;
    padding: 40px;
    position: relative;
    transition: var(--transition-fast);
}

.course-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow);
}

.course-card.premium {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(123, 47, 255, 0.1) 0%, rgba(10, 22, 40, 0.9) 100%);
}

.course-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: #fff;
    padding: 5px 15px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.course-header {
    margin-bottom: 20px;
}

.course-tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-secondary);
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 12px;
    margin-bottom: 10px;
}

.course-name {
    font-size: 26px;
    font-weight: 700;
}

.course-price {
    margin-bottom: 20px;
}

.price-origin {
    font-size: 18px;
    color: var(--color-gray);
    text-decoration: line-through;
    margin-right: 10px;
}

.price-current {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-gold);
    font-family: var(--font-mono);
}

.course-desc {
    color: var(--color-gray);
    font-size: 14px;
    margin-bottom: 25px;
    line-height: 1.7;
}

.course-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.course-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.feature-icon {
    width: 20px;
    height: 20px;
    background: rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--color-secondary);
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-duration {
    font-size: 13px;
    color: var(--color-gray);
}

.btn-course {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.btn-course:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
}

.btn-course-primary {
    background: var(--gradient-primary);
    border: none;
    color: #fff;
}

.btn-course-primary:hover {
    box-shadow: var(--shadow-glow);
}

.courses-note {
    background: rgba(0, 212, 255, 0.05);
    border-left: 4px solid var(--color-secondary);
    padding: 20px 25px;
    border-radius: 0 10px 10px 0;
    margin-top: 40px;
}

.courses-note p {
    color: var(--color-light);
    font-size: 14px;
}

/* ========================================
   GEO+OPC模型
   ======================================== */
.model-content {
    max-width: 900px;
    margin: 0 auto;
}

.model-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
}

.model-card {
    background: rgba(10, 22, 40, 0.9);
    border: 1px solid rgba(123, 47, 255, 0.3);
    border-radius: 25px;
    padding: 40px;
    text-align: center;
    flex: 1;
    max-width: 380px;
    transition: var(--transition-fast);
}

.model-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow);
}

.model-card.gec {
    border-color: rgba(0, 212, 255, 0.3);
}

.model-card.opc {
    border-color: rgba(123, 47, 255, 0.3);
}

.model-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.model-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-secondary);
}

.model-card h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.model-card.gec h3 {
    color: var(--color-secondary);
}

.model-card.opc h3 {
    color: var(--color-accent);
}

.model-full {
    font-size: 12px;
    color: var(--color-gray);
    font-family: var(--font-mono);
    margin-bottom: 15px;
}

.model-desc {
    font-size: 14px;
    color: var(--color-light);
    margin-bottom: 20px;
}

.model-features {
    text-align: left;
}

.model-features li {
    font-size: 13px;
    color: var(--color-gray);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.model-operator {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-gold);
}

.model-result {
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, rgba(123, 47, 255, 0.1) 100%);
    border: 1px solid rgba(255, 184, 0, 0.3);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
}

.model-result h3 {
    font-size: 28px;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.model-result p {
    color: var(--color-gray);
    font-size: 14px;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   入驻园区
   ======================================== */
.park-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: start;
}

.park-badge {
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.2) 0%, rgba(10, 22, 40, 0.9) 100%);
    border: 2px solid var(--color-secondary);
    border-radius: 25px;
    padding: 50px 40px;
    text-align: center;
}

.badge-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.badge-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-secondary);
}

.park-badge h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.park-badge p {
    color: var(--color-gold);
    font-size: 14px;
}

.park-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.park-info > p {
    color: var(--color-gray);
    margin-bottom: 25px;
}

.park-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.park-features > li {
    display: flex;
    gap: 20px;
    background: rgba(10, 22, 40, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    transition: var(--transition-fast);
}

.park-features > li:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

.feature-icon {
    font-size: 24px;
}

.park-features strong {
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
}

.park-features p {
    font-size: 13px;
    color: var(--color-gray);
}

.park-location {
    margin-top: 40px;
    text-align: center;
}

.park-location p {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 15px 30px;
    border-radius: 30px;
    color: var(--color-secondary);
}

/* ========================================
   创始学员权益
   ======================================== */
.benefits {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.03) 50%, transparent 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.benefit-card {
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(123, 47, 255, 0.2);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    transition: var(--transition-fast);
}

.benefit-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 13px;
    color: var(--color-gray);
}

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

.btn-large {
    padding: 18px 60px;
    font-size: 18px;
}

.cta-note {
    margin-top: 15px;
    font-size: 14px;
    color: var(--color-gold);
}

/* ========================================
   FAQ
   ======================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.faq-question {
    width: 100%;
    background: rgba(10, 22, 40, 0.6);
    border: none;
    padding: 25px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    font-size: 16px;
    color: var(--color-light);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(0, 212, 255, 0.05);
}

.faq-question span:first-child {
    flex: 1;
    padding-right: 20px;
}

.faq-icon {
    font-size: 24px;
    color: var(--color-secondary);
    transition: var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-item.active .faq-question {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-secondary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 20px;
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.8;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--color-primary);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 28px;
    color: var(--color-secondary);
    margin-bottom: 5px;
}

.brand-en {
    font-size: 12px;
    color: var(--color-gray);
    margin-bottom: 15px;
}

.brand-slogan {
    font-size: 14px;
    color: var(--color-light);
    font-style: italic;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.link-group h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--color-light);
}

.link-group ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-group li {
    font-size: 13px;
    color: var(--color-gray);
}

.link-group a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-gray);
    margin-bottom: 5px;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
        margin: 0 auto;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .model-grid {
        flex-direction: column;
    }
    
    .model-operator {
        transform: rotate(90deg);
    }
    
    .park-content {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: var(--transition-fast);
        border-left: 1px solid rgba(0, 212, 255, 0.2);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .founder-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto 50px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .price-current {
        font-size: 32px;
    }
    
    .countdown-number {
        font-size: 36px;
    }
    
    .model-card {
        padding: 30px 20px;
    }
    
    .course-card {
        padding: 30px 20px;
    }
}

/* ========================================
   热门标签 & 短剧漫剧课程卡片
   ======================================== */
.hot-tag {
    display: inline-block;
    background: linear-gradient(135deg, #FF6B00 0%, #FFB800 100%);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
    vertical-align: middle;
    animation: pulse-hot 1.5s ease-in-out infinite;
}

@keyframes pulse-hot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.05); }
}

.hot-course {
    border: 2px solid rgba(255, 107, 0, 0.5) !important;
    position: relative;
}

.hot-course:hover {
    border-color: rgba(255, 184, 0, 0.8) !important;
    box-shadow: 0 0 30px rgba(255, 107, 0, 0.3) !important;
}

.hot-badge {
    background: linear-gradient(135deg, #FF6B00 0%, #FFB800 100%) !important;
    animation: pulse-hot 1.5s ease-in-out infinite;
}

/* 三列课程网格 */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ========================================
   GEO业务专题板块样式
   ======================================== */

/* GEO导航链接高亮 */
.geo-nav-link {
    color: var(--color-gold) !important;
    font-weight: 600;
}

.geo-nav-link::after {
    background: var(--color-gold) !important;
}

/* GEO板块整体样式 */
.geo-section {
    background: linear-gradient(180deg, var(--color-dark) 0%, #0D1A2D 50%, var(--color-dark) 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

.geo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* 成功案例展示 */
.geo-showcase {
    text-align: center;
    margin: 50px 0;
}

.showcase-badge {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 47, 255, 0.1) 100%);
    border: 2px solid var(--color-gold);
    border-radius: 20px;
    padding: 40px 50px;
    display: inline-block;
    position: relative;
    max-width: 600px;
}

.showcase-badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-secondary));
    z-index: -1;
    opacity: 0.3;
}

.badge-label {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-dark);
    font-weight: 700;
    font-size: 14px;
    padding: 5px 15px;
    border-radius: 20px;
    margin-bottom: 15px;
}

.showcase-badge h3 {
    font-size: 20px;
    color: var(--color-light);
    margin-bottom: 10px;
}

.showcase-result {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 15px 0;
}

.showcase-result .highlight {
    color: var(--color-gold);
    font-size: 28px;
}

.showcase-desc {
    font-size: 14px;
    color: var(--color-gray);
}

/* GEO介绍 */
.geo-intro {
    margin: 60px 0;
}

.geo-intro h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--color-light);
}

.geo-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    align-items: stretch;
}

.geo-card {
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition-fast);
}

.geo-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.geo-card.highlight-card {
    border-color: var(--color-gold);
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, rgba(10, 22, 40, 0.8) 100%);
}

.geo-card.highlight-card:hover {
    border-color: var(--color-gold);
    box-shadow: 0 10px 40px rgba(255, 184, 0, 0.2);
}

.geo-card-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.geo-card h4 {
    font-size: 18px;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.geo-card.highlight-card h4 {
    color: var(--color-gold);
}

.geo-card p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.8;
    min-height: 50px;
}

/* GEO vs SEO对比表 */
.geo-compare {
    margin: 60px 0;
}

.geo-compare h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--color-light);
}

/* GEO vs SEO 左右对比卡片 */
.compare-cards {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-top: 30px;
}

.compare-side {
    flex: 1;
    border-radius: 16px;
    overflow: hidden;
}

.compare-side-header {
    padding: 25px 30px;
    text-align: center;
}

.se-header {
    background: linear-gradient(135deg, rgba(138, 155, 174, 0.15) 0%, rgba(10, 22, 40, 0.8) 100%);
    border-bottom: 1px solid rgba(138, 155, 174, 0.2);
}

.geo-header {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(123, 47, 255, 0.15) 100%);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

.compare-side-tag {
    display: inline-block;
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}

.se-header .compare-side-tag {
    background: rgba(138, 155, 174, 0.2);
    color: var(--color-gray);
}

.geo-header .compare-side-tag {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(123, 47, 255, 0.3));
    color: var(--color-secondary);
}

.compare-side-header h4 {
    font-size: 28px;
    font-weight: 700;
    margin: 5px 0;
}

.se-header h4 {
    color: var(--color-gray);
}

.geo-header h4 {
    color: var(--color-secondary);
}

.compare-side-header p {
    font-size: 13px;
    color: var(--color-gray);
}

.se-side {
    border: 1px solid rgba(138, 155, 174, 0.2);
    background: rgba(10, 22, 40, 0.6);
}

.geo-side {
    border: 1px solid rgba(0, 212, 255, 0.3);
    background: rgba(10, 22, 40, 0.8);
}

.compare-side-list {
    padding: 10px 0;
}

.compare-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.compare-item-label {
    font-size: 14px;
    color: var(--color-gray);
    flex-shrink: 0;
}

.compare-item-value {
    font-size: 14px;
    color: var(--color-light);
    text-align: right;
}

.compare-item-value.highlight {
    color: var(--color-gold);
    font-weight: 500;
}

.compare-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    flex-shrink: 0;
}

.compare-vs span {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-secondary);
    background: rgba(0, 212, 255, 0.1);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

@media (max-width: 768px) {
    .compare-cards {
        flex-direction: column;
    }
    .compare-vs {
        width: auto;
        height: 40px;
    }
    .compare-vs span {
        transform: rotate(90deg);
    }
}

/* 服务流程 */
.geo-services {
    margin: 60px 0;
    width: 100%;
}

.geo-services h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 40px;
    color: var(--color-light);
}

.geo-process {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.process-step {
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    flex: 1;
    min-width: 180px;
    max-width: 260px;
    transition: var(--transition-fast);
}

.process-step:hover {
    border-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.step-number {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-dark);
    font-weight: 700;
    font-size: 18px;
    padding: 8px 15px;
    border-radius: 20px;
    margin-bottom: 15px;
}

.step-content h4 {
    font-size: 16px;
    color: var(--color-light);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 13px;
    color: var(--color-gray);
}

.process-arrow {
    font-size: 28px;
    color: var(--color-secondary);
    flex-shrink: 0;
}

/* GEO FAQ */
.geo-faq {
    margin: 60px 0;
    width: 100%;
}

.geo-faq h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--color-light);
}

.geo-faq .faq-container {
    max-width: 800px;
    margin: 0 auto;
}

/* GEO CTA */
.geo-cta {
    text-align: center;
    margin-top: 60px;
    padding: 50px;
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 184, 0, 0.3);
}

.geo-cta h3 {
    font-size: 28px;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.geo-cta p {
    font-size: 16px;
    color: var(--color-gray);
    margin-bottom: 30px;
}

/* GEO响应式设计 */
@media (max-width: 1024px) {
    .geo-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .geo-process {
        gap: 10px;
    }
    
    .process-step {
        min-width: 150px;
        padding: 20px 15px;
    }
}

@media (max-width: 768px) {
    .geo-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .geo-process {
        flex-direction: column;
    }
    
    .process-step {
        width: 100%;
        max-width: 300px;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .compare-table {
        font-size: 12px;
    }
    
    .compare-col {
        padding: 10px;
    }
    
    .showcase-badge {
        padding: 30px 20px;
    }
    
    .showcase-result {
        font-size: 20px;
    }
    
    .showcase-result .highlight {
        font-size: 22px;
    }
}

.geo-faq .faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.geo-faq .faq-item {
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition-fast);
}

.geo-faq .faq-item:hover {
    border-color: rgba(0, 212, 255, 0.4);
}

.geo-faq .faq-question {
    width: 100%;
    padding: 18px 24px;
    background: rgba(10, 22, 40, 0.6);
    border: none;
    color: var(--color-light);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    transition: var(--transition-fast);
}

.geo-faq .faq-question:hover {
    background: rgba(0, 212, 255, 0.1);
}

.geo-faq .faq-icon {
    font-size: 20px;
    color: var(--color-secondary);
    transition: transform 0.3s ease;
}

.geo-faq .faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.geo-faq .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.geo-faq .faq-item.active .faq-answer {
    max-height: 500px;
}

.geo-faq .faq-answer p {
    padding: 18px 24px;
    color: var(--color-gray);
    font-size: 14px;
    line-height: 1.8;
    background: rgba(10, 22, 40, 0.4);
}