* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #667eea;
    --primary-purple: #764ba2;
    --primary-pink: #f093fb;
    --primary-coral: #f5576c;
    --primary-cyan: #4facfe;
    --primary-teal: #00f2fe;
    --primary-green: #43e97b;
    --primary-mint: #38f9d7;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-dark: #2d3748;
    --text-light: #718096;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    overflow: hidden;
    background: var(--bg-light);
    color: var(--text-dark);
}

/* 导航指示器 */
.nav-indicator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.nav-dots {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.nav-dot.active {
    background: var(--primary-blue);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

/* 幻灯片容器 */
.slides-container {
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

/* 单个幻灯片 */
.slide {
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.slide-content {
    width: 100%;
    max-width: 1400px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
}

/* 通用头部样式 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 18px;
    color: var(--text-dark);
}

.logo-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.btn-signup {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.notification-icon {
    position: relative;
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.notification-icon::before {
    content: '🔔';
    font-size: 24px;
}

.badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-coral);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
}

/* 幻灯片 1: 封面 */
.slide-1 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.figma-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    z-index: 0;
    min-width: 100%;
    min-height: 100%;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.2) 30%,
        rgba(0, 0, 0, 0.15) 50%,
        rgba(0, 0, 0, 0.25) 70%,
        rgba(0, 0, 0, 0.4) 100%
    );
    z-index: 1;
    pointer-events: none;
}

.hero-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 60px 40px;
    z-index: 2;
}

.glass-container {
    width: 100%;
    max-width: 1200px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
}

.glass-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
}

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

.main-title {
    font-size: 64px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.2;
    position: relative;
    text-align: center;
    display: block;
    width: 100%;
}

.subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 50px;
    position: relative;
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.info-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    margin-top: 50px;
}

.info-item {
    padding: 25px 40px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    min-width: 200px;
}

.info-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mountain-bg {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.2) 0%, transparent 100%);
    clip-path: polygon(0 100%, 20% 60%, 40% 80%, 60% 50%, 80% 70%, 100% 40%, 100% 100%);
    z-index: 1;
    pointer-events: none;
}

.content-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 35px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    text-align: center;
}

.card-number {
    font-size: 56px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 15px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    margin-bottom: 25px;
    line-height: 1.6;
    font-weight: 400;
}

.card-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
}

.profile-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 幻灯片 2: 工作回顾 */
.slide-2 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.content-section {
    width: 100%;
    max-width: 1400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
}

.slide-3 .content-section {
    position: relative;
    z-index: 3;
}

.slide-4 .content-section {
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
}

.slide-6 .content-section {
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 30px;
    text-align: center;
    opacity: 1 !important;
    visibility: visible !important;
}

.section-subtitle {
    font-size: 20px;
    font-weight: 400;
    color: #ffffff;
    text-align: center;
    margin-bottom: 50px;
    max-width: 900px;
    line-height: 1.8;
    opacity: 0.9;
    font-style: italic;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 四象限布局 */
.quarters-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 500px;
}

.quarter-card {
    position: relative;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    padding: 40px;
    overflow: visible;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    opacity: 1 !important;
    visibility: visible !important;
}

.quarter-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.quarter-letter {
    position: absolute;
    font-size: 180px;
    font-weight: 800;
    line-height: 1;
    color: rgba(255, 255, 255, 0.2);
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
    transition: all 0.4s ease;
}

.quarter-q1 .quarter-letter {
    top: -20px;
    left: -20px;
}

.quarter-q2 .quarter-letter {
    top: -20px;
    right: -20px;
    text-align: right;
}

.quarter-q3 .quarter-letter {
    bottom: -20px;
    left: -20px;
}

.quarter-q4 .quarter-letter {
    bottom: -20px;
    right: -20px;
    text-align: right;
}

.quarter-card:hover .quarter-letter {
    opacity: 0.2;
    transform: scale(1.05);
}

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

.quarter-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.quarter-card-title {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.quarter-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.quarter-card-icon svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.quarter-q2 .quarter-card-icon {
    order: -1;
}

.quarter-q4 .quarter-card-icon {
    order: -1;
}

.quarter-card-text {
    font-size: 20px;
    line-height: 1.8;
    color: #ffffff;
    margin: 0;
    font-weight: 400;
}

.data-visualization {
    display: flex;
    align-items: center;
    gap: 60px;
    flex: 1;
}

.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 30px;
    flex: 1;
    height: 400px;
}

.bar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.bar {
    width: 100%;
    border-radius: 10px 10px 0 0;
    transition: transform 0.3s ease;
    animation: growUp 1s ease-out;
}

.bar:hover {
    transform: translateY(-5px);
}

@keyframes growUp {
    from {
        height: 0;
    }
    to {
        height: 100%;
    }
}

.bar-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.chart-decoration {
    width: 300px;
    height: 300px;
}

.mountain-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(118, 75, 162, 0.1) 0%, rgba(102, 126, 234, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.mountain-circle::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(118, 75, 162, 0.2) 0%, transparent 100%);
    clip-path: polygon(0 100%, 30% 50%, 60% 70%, 100% 40%, 100% 100%);
}

/* 幻灯片 3: 关键指标 */
.slide-3 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.slide-3-corner-text {
    position: absolute;
    top: 60px;
    right: 60px;
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 3px;
    z-index: 1000;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: none;
    white-space: nowrap;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.slide-3-corner-text span {
    display: inline-block;
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1200px;
}

.metric-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 40px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 4;
    opacity: 1 !important;
    visibility: visible !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.metric-card * {
    opacity: 1 !important;
    visibility: visible !important;
}

.metric-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.metric-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 16px;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.metric-icon svg {
    width: 48px;
    height: 48px;
    transition: transform 0.3s ease;
}

.metric-icon svg path {
    stroke: currentColor;
    fill: none;
    transition: stroke-dashoffset 0.3s ease;
}

.metric-card:hover .metric-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.metric-number {
    font-size: 48px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
    line-height: 1.2;
}

.metric-label {
    font-size: 16px;
    color: #ffffff;
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 4px;
    transition: width 1s ease;
}

.metric-card:hover .metric-icon {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.location-visual {
    position: absolute;
    right: 100px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    pointer-events: none;
}

.mountain-circle-large {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(118, 75, 162, 0.15) 0%, rgba(102, 126, 234, 0.15) 100%);
    position: relative;
    overflow: hidden;
}

.mountain-circle-large::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(118, 75, 162, 0.3) 0%, transparent 100%);
    clip-path: polygon(0 100%, 25% 45%, 50% 65%, 75% 35%, 100% 55%, 100% 100%);
}

.location-pin {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-coral);
    border-radius: 50% 50% 50% 0;
    transform: translateX(-50%) rotate(-45deg);
    box-shadow: 0 0 20px rgba(245, 87, 108, 0.5);
}

.location-pin::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
}

/* 幻灯片 4: 协作 */
.slide-4 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.slide-4 .content-section {
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
}

.collaboration-showcase {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.collaboration-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    padding: 50px;
    position: relative;
    z-index: 1;
    opacity: 1 !important;
    visibility: visible !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.collaboration-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.collaboration-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
}

.collaboration-content {
    text-align: left;
}

.collaboration-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.collaboration-point {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.collaboration-point:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
}

.point-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: #ffffff;
    flex-shrink: 0;
}

.point-content {
    flex: 1;
}

.point-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.point-content p {
    font-size: 16px;
    color: #ffffff;
    opacity: 0.85;
    line-height: 1.6;
    margin: 0;
}

.collaboration-image-example {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.image-label-small {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    opacity: 0.7;
    text-align: center;
}

.image-container-small {
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-container-small:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.image-container-small img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

/* 幻灯片 5: 产品体验问题分析 */
.slide-5 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
    max-width: 900px;
    width: 100%;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
    opacity: 1 !important;
    visibility: visible !important;
}

.feature-item * {
    opacity: 1 !important;
    visibility: visible !important;
}

.feature-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 15px;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease;
}

.feature-item:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.5);
}

.feature-item:hover .feature-icon svg {
    transform: scale(1.1);
}

.feature-content h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: #ffffff;
}

.feature-content p {
    color: #ffffff;
    font-size: 15px;
    opacity: 0.9;
    line-height: 1.6;
    margin: 0;
}

.btn-primary {
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.mountain-visual {
    position: absolute;
    right: 100px;
    top: 50%;
    transform: translateY(-50%);
}

/* 幻灯片 6: 交互体验方法 */
.slide-6 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.slide-6 .content-section {
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
    padding-top: 80px;
}

.slide-6 .section-title {
    margin-bottom: 20px;
}

.slide-6 .section-subtitle {
    margin-bottom: 30px;
}

.method-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
    max-width: 900px;
    width: 100%;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 30px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
    opacity: 1 !important;
    visibility: visible !important;
}

.method-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.method-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    font-size: 24px;
    font-weight: 800;
    flex-shrink: 0;
}

.method-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    line-height: 1.4;
}

.method-conclusion {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    margin-top: 25px;
    opacity: 1 !important;
    visibility: visible !important;
}

.achievement-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    flex: 1;
}

.achievement-left {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-coral) 100%);
}

.progress-circle {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    font-weight: 800;
    color: #ffffff;
}

.achievement-right {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.profile-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 30px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    text-align: center;
    position: relative;
    z-index: 1;
}

.profile-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-teal) 100%);
    margin: 0 auto 20px;
}

.profile-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #ffffff;
}

.profile-card p {
    color: #ffffff;
    opacity: 0.9;
}

.task-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.task-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-align: center;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.task-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
}

.task-icon {
    margin-bottom: 10px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-icon svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.task-card:hover .task-icon {
    transform: scale(1.2);
    color: #ffffff;
}

.task-card:hover .task-icon svg {
    transform: scale(1.2) rotate(10deg);
}

.task-card p {
    font-size: 14px;
    color: #ffffff;
    opacity: 0.9;
}

/* 幻灯片 7: 已经在做或计划在做的事情 */
.slide-7 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.slide-7 .content-section {
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    flex: 1;
    align-items: center;
}

.stat-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 40px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-align: center;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 70px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.stat-number {
    font-size: 64px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 5px;
}

.stat-unit {
    font-size: 14px;
    color: #ffffff;
    opacity: 0.8;
}

/* 幻灯片 8: 结束页 */
.slide-8 {
    background: #000;
    position: relative;
    overflow: hidden;
}

.slide-8 .slide-content {
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.thank-you {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
    opacity: 1 !important;
    visibility: visible !important;
    min-height: 100vh;
    width: 100%;
}

.thank-title {
    font-size: 72px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
    z-index: 4;
    opacity: 1 !important;
    visibility: visible !important;
    text-align: center;
}

.thank-subtitle {
    font-size: 28px;
    color: #ffffff;
    opacity: 0.9;
    z-index: 2;
}

.mountain-bg-large {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 400px;
    background: linear-gradient(to top, rgba(118, 75, 162, 0.15) 0%, transparent 100%);
    clip-path: polygon(0 100%, 15% 50%, 30% 70%, 45% 40%, 60% 60%, 75% 30%, 90% 50%, 100% 35%, 100% 100%);
    z-index: 1;
}

/* 滚动提示 */
.scroll-hint {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
    z-index: 1000;
    animation: bounce 2s infinite;
}

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

.scroll-arrow {
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-arrow svg {
    width: 24px;
    height: 24px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .main-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .floating-card {
        right: 40px;
    }
    
    .mountain-circle-large {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .slide {
        padding: 20px;
    }
    
    .hero-section {
        padding: 30px 20px;
    }
    
    .glass-container {
        padding: 40px 30px;
    }
    
    .collaboration-card {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 20px;
    }
    
    .collaboration-content {
        text-align: center;
    }
    
    .collaboration-content h3 {
        font-size: 24px;
    }
    
    .collaboration-content p {
        font-size: 16px;
    }
    
    .collaboration-points {
        gap: 20px;
    }
    
    .collaboration-point {
        padding: 20px;
        gap: 15px;
    }
    
    .point-icon {
        width: 45px;
        height: 45px;
    }
    
    .point-content h3 {
        font-size: 20px;
    }
    
    .point-content p {
        font-size: 14px;
    }
    
    .image-container-small {
        max-width: 100%;
    }
    
    .main-title {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 18px;
        margin-bottom: 30px;
    }
    
    .info-section {
        margin-top: 30px;
    }
    
    .info-item {
        padding: 20px 30px;
        min-width: auto;
        width: 100%;
    }
    
    .info-value {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .nav-links {
        display: none;
    }
    
    .content-card {
        margin-top: 0;
    }
    
    .quarters-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 10px;
    }
    
    .quarter-card {
        padding: 30px 25px;
    }
    
    .quarter-letter {
        font-size: 120px;
    }
    
    .quarter-card-title {
        font-size: 20px;
    }
    
    .quarter-card-text {
        font-size: 14px;
    }
    
    .quarter-card-icon {
        width: 40px;
        height: 40px;
    }
    
    .data-visualization {
        flex-direction: column;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .future-plans {
        grid-template-columns: 1fr;
    }
}