/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF8C42; /* Warm Orange from the train/frame */
    --primary-hover: #FF7B25;
    --secondary-color: #3B82F6; /* Brighter sky blue */
    --bg-color: #F0F4F8;
    --alt-bg: #FFFFFF;
    --text-main: #1D3557; /* Deep Navy - much more harmonious with sky than stark black */
    --text-light: #457B9D; /* Soft ocean blue */
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 4px 6px rgba(29, 53, 87, 0.05);
    --shadow-md: 0 10px 20px rgba(29, 53, 87, 0.08);
    --shadow-lg: 0 15px 35px rgba(29, 53, 87, 0.1);
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, .subtitle, .tagline {
    font-family: 'Outfit', 'Noto Sans TC', sans-serif;
}

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

/* Typography */
.section-header {
    margin-bottom: 3rem;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    position: relative;
    display: inline-block;
}

.section-header h2 span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--primary-color);
    display: block;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 5px;
}

.header-line {
    height: 4px;
    width: 60px;
    background: var(--primary-color);
    margin-top: 15px;
    border-radius: 2px;
}

.center-line {
    margin: 15px auto 0 auto;
}

.section-subtitle {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.alt-bg {
    background-color: var(--alt-bg);
}

/* Navigation */
#navbar {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    z-index: 1000;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: var(--transition);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    top: 0.5rem;
    padding: 0.8rem 2rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-main);
}
#navbar:not(.scrolled) .logo, 
#navbar:not(.scrolled) .nav-links a {
    color: var(--text-main); /* Changed from white to main text color for readability against bright sky */
    text-shadow: 0 2px 10px rgba(255,255,255,0.8);
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

#navbar:not(.scrolled) .hamburger {
    color: #fff;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    /* Use the uploaded image, fallback to a gradient */
    background: url('../images/hero-bg.png') center/cover no-repeat, linear-gradient(135deg, #87CEEB, #F0F8FF);
}

/* In case the image has a different extension or wasn't placed, provide a fallback visual */
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('cloud-pattern.png') center/cover; /* optional subtle pattern */
    opacity: 0.3;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* Extremely subtle overlay just to pop the text slightly without killing the art */
    background: radial-gradient(circle at center, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 60%);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.glass-panel {
    /* Artist perspective: Removing the harsh box so the text floats in the sky */
    background: transparent;
    border: none;
    padding: 2rem 5rem;
    box-shadow: none;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.subtitle {
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 1rem;
    font-weight: 900;
    color: var(--secondary-color);
    text-shadow: 0 2px 15px rgba(255,255,255,1), 0 0 30px rgba(255,255,255,0.8);
}

.title {
    font-size: 6rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    /* Massive white glow to ensure text is perfectly readable over the clouds without needing a physical box */
    text-shadow: 0 5px 25px rgba(255,255,255,1), 0 0 50px rgba(255,255,255,0.9), 0 0 100px rgba(255,255,255,0.7);
    letter-spacing: 2px;
}

.title span {
    color: var(--primary-color);
}

.tagline {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    text-shadow: 0 2px 20px rgba(255,255,255,1);
}

.hero .divider {
    height: 4px;
    width: 80px;
    background: var(--primary-color);
    margin: 0 auto 1.5rem auto;
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(255,255,255,0.8);
}

.description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    line-height: 1.8;
    color: var(--text-main);
    font-weight: 700;
    text-shadow: 0 2px 15px rgba(255,255,255,1), 0 0 25px rgba(255,255,255,0.9);
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.primary-btn {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 140, 66, 0.4);
}

.primary-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 140, 66, 0.6);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    color: var(--text-main);
    border: 2px solid var(--text-main);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.secondary-btn:hover {
    background: var(--text-main);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(29, 53, 87, 0.2);
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

/* (Vehicle animations removed for cleaner aesthetic) */

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 20px;
    z-index: 1;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-md);
    display: block;
}

/* Methods Section */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 140, 66, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem auto;
    transition: var(--transition);
}

.card:hover .card-icon {
    background: var(--primary-color);
    color: #fff;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-light);
}

/* Timeline */
.countdown-container {
    background: #fff;
    padding: 1.5rem 2rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.countdown-status {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.countdown-status i {
    color: var(--primary-color);
    animation: spin-slow 4s linear infinite;
}

@keyframes spin-slow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.countdown-timer {
    display: flex;
    gap: 10px;
}

.time-box {
    background: linear-gradient(135deg, rgba(33, 158, 188, 0.1), rgba(255, 140, 66, 0.05));
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 900;
    font-size: 1.3rem;
    text-align: center;
    min-width: 65px;
    border: 1px solid rgba(33, 158, 188, 0.15);
}

.time-box span {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-light);
    margin-top: 2px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 4px;
    background: rgba(33, 158, 188, 0.2);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 60px;
}

.timeline-dot {
    position: absolute;
    top: 0;
    left: 8px;
    width: 28px;
    height: 28px;
    background: #fff;
    border-radius: 50%;
    border: 5px solid var(--secondary-color);
    box-shadow: 0 0 0 4px rgba(33, 158, 188, 0.1);
    transition: var(--transition);
}

.timeline-item.active .timeline-dot {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 6px rgba(255, 140, 66, 0.2);
    transform: scale(1.1);
    animation: pulse-dot 2s infinite;
}

.timeline-item.past {
    opacity: 0.6;
}
.timeline-item.past .timeline-dot {
    background: #e2e8f0;
    border-color: #cbd5e1;
    box-shadow: none;
}

@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(255, 140, 66, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 140, 66, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 140, 66, 0); }
}

.timeline-item:hover .timeline-dot {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 6px rgba(255, 140, 66, 0.2);
    transform: scale(1.1);
}

.timeline-content {
    background: #fff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid transparent;
    cursor: pointer;
}

.timeline-item:hover .timeline-content {
    border-left-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.timeline-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.time {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(33, 158, 188, 0.1);
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

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

/* Resources */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.team-card ul {
    list-style: none;
    padding: 0;
    width: 100%;
}

.team-card li {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

/* Floating Inquiry */
.floating-inquiry {
    position: fixed;
    bottom: 90px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.2rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--primary-color);
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.5s ease-out forwards;
}

.floating-inquiry i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.floating-inquiry p {
    margin: 0;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--secondary-color);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.resource-box {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(33, 158, 188, 0.1);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.download-badge {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.5rem 1.2rem;
    background: var(--primary-color);
    color: #fff;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    transition: var(--transition);
}

.resource-box:hover .download-badge {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.resource-box:hover {
    background: #fff;
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.resource-box i {
    font-size: 2.8rem;
    color: var(--secondary-color);
    margin-bottom: 1.2rem;
    transition: var(--transition);
}

.resource-box:hover i {
    transform: scale(1.1);
    color: var(--primary-color);
}

.resource-box h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.resource-box p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 1rem;
}

.gallery-sub-title {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 700;
}

.gallery-sub-title i {
    color: var(--primary-color);
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.placeholder-item {
    grid-column: 1 / -1;
    height: 300px !important;
    background: rgba(0,0,0,0.02);
    border: 2px dashed #ADB5BD;
    box-shadow: none;
}

.gallery-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #ADB5BD;
    gap: 1rem;
}

.gallery-placeholder i {
    font-size: 3rem;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item.main-item {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
    z-index: 5;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Footer */
footer {
    background: var(--text-main);
    color: #fff;
    padding: 4rem 0 2rem 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo h3 {
    font-size: 1.8rem;
    font-weight: 900;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-logo p {
    color: #ADB5BD;
    margin-top: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #fff;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Animations */
.slide-up {
    animation: slideUp 1s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .title { font-size: 4rem; }
    .about-content { grid-template-columns: 1fr; }
    .featured-images { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 400px;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        box-shadow: -10px 0 30px rgba(0,0,0,0.15);
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        gap: 2rem;
    }
    
    .nav-links.active { right: 0; }
    
    .nav-links a {
        font-size: 1.25rem;
        padding: 0.5rem 2rem;
    }

    #navbar { width: 90%; top: 1rem; padding: 0.8rem 1.5rem; }
    
    #navbar:not(.scrolled) .nav-links a { color: var(--text-main); text-shadow: none; }
    
    .hamburger { display: block; z-index: 1001; position: relative; font-size: 1.8rem; }
    #navbar.menu-open .hamburger { color: var(--text-main); }
    #navbar.menu-open { background: rgba(255,255,255,0.95); box-shadow: none; }
    
    .glass-panel { padding: 2.5rem 1.5rem; border-radius: 24px; }
    .title { font-size: 3.5rem; }
    .tagline { font-size: 1.2rem; }
}

/* Team Section */
.team-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    justify-content: center;
}

.members-grid {
    grid-template-columns: repeat(5, 1fr) !important;
}

.team-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.leader-card {
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.1), rgba(255, 255, 255, 1));
    border: 1px solid rgba(255, 140, 66, 0.3);
    flex-direction: row;
    gap: 1rem;
    padding: 2.5rem 2rem;
}

.team-role {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.leader-card .team-role::after {
    content: "：";
}

.team-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
}

.mentor-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(255, 255, 255, 1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    flex-direction: row;
    gap: 1rem;
    padding: 1.5rem 2rem;
}

.mentor-card .team-role {
    color: var(--secondary-color);
}

.mentor-card .team-role::after {
    content: "：";
}

.mentor-card .team-name {
    font-size: 1.3rem;
}

.team-group {
    background: #fff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border-top: 5px solid var(--secondary-color);
    transition: var(--transition);
    cursor: pointer;
}

.team-group:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.group-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #E9ECEF;
    padding-bottom: 0.5rem;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    width: 100%;
}

@media (max-width: 1200px) {
    .members-grid {
        gap: 0.5rem;
    }
}

.group-members {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.group-members li {
    color: var(--text-main);
    font-size: 0.95rem;
    white-space: nowrap;
}

.group-members .head {
    color: var(--primary-color);
}

.mentors-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-top: 3rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 3rem;
}

/* Floating IG Button */
.floating-ig {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 75px;
    height: 75px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 3px solid #fff;
    overflow: hidden;
}

.floating-ig img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.floating-ig:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(0,0,0,0.25);
    border-color: var(--primary-color);
}

.ig-tooltip {
    position: absolute;
    right: 90px;
    background: var(--text-main);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: bold;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    white-space: nowrap;
    pointer-events: none;
}

.ig-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 8px solid var(--text-main);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.floating-ig:hover .ig-tooltip {
    opacity: 1;
    visibility: visible;
    right: 85px;
}

@media (max-width: 768px) {
    .floating-ig {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 60px;
        height: 60px;
    }
}

/* Correction Announcement Section */
#correction-announcement {
    background: linear-gradient(135deg, #F0F4F8 0%, #E2E8F0 100%);
    position: relative;
    overflow: hidden;
}

#correction-announcement::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 140, 66, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.announcement-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 4rem 3rem;
    box-shadow: 0 20px 50px rgba(29, 53, 87, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.announcement-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.announcement-header i {
    font-size: 3.5rem;
    color: #e63946;
    margin-bottom: 1.5rem;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(230, 57, 70, 0.2));
}

.announcement-header h2 {
    font-size: 2.5rem;
    color: var(--text-main);
}

.status-table-container {
    margin-bottom: 4rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
    padding: 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.05);
}

.status-table-img {
    width: 100%;
    max-width: 850px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid #fff;
    cursor: pointer;
    transition: var(--transition);
}

.status-table-img:hover {
    transform: scale(1.01);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.img-caption {
    font-size: 1rem;
    color: #e63946;
    margin-top: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.instruction-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 4rem;
}

.instruction-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 1.5rem;
    border-radius: 20px;
    transition: var(--transition);
    background: rgba(255,255,255,0.4);
    border: 1px solid transparent;
}

.instruction-item:hover {
    background: #fff;
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 140, 66, 0.2);
}

.instruction-item .num {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 900;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(255, 140, 66, 0.3);
}

.ins-text > strong {
    font-size: 1.2rem;
    color: var(--text-main);
    display: block;
    margin-bottom: 0.5rem;
}

.ins-text p strong {
    display: inline;
    color: var(--primary-color);
    font-size: inherit;
}

.ins-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
    font-size: 1.05rem;
}

.announcement-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding-top: 3rem;
    border-top: 2px solid rgba(0,0,0,0.03);
}

.time-range {
    font-size: 1.2rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(230, 57, 70, 0.05);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: 1px solid rgba(230, 57, 70, 0.1);
}

.time-range i {
    color: #e63946;
}

.time-range strong {
    color: #e63946;
    font-weight: 900;
}

.pulse-anim {
    animation: pulse-button 2s infinite;
    font-size: 1.2rem !important;
    padding: 1.2rem 3.5rem !important;
}

@keyframes pulse-button {
    0% { box-shadow: 0 0 0 0 rgba(255, 140, 66, 0.4); transform: scale(1); }
    50% { transform: scale(1.05); }
    70% { box-shadow: 0 0 0 20px rgba(255, 140, 66, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 140, 66, 0); transform: scale(1); }
}

@media (max-width: 768px) {
    .announcement-card {
        padding: 2.5rem 1.5rem;
    }
    .announcement-header h2 {
        font-size: 1.8rem;
    }
    .instruction-item {
        gap: 1rem;
        padding: 1rem;
    }
    .instruction-item:hover {
        transform: none;
    }
    .time-range {
        font-size: 1rem;
        padding: 0.6rem 1.2rem;
    }
}

/* Selection Announcement Section */
.review-table-container {
    overflow-x: auto;
    margin-bottom: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
}

.review-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: center;
}

.review-table th, .review-table td {
    padding: 12px 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.review-table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 1px;
}

.review-table thead tr:first-child th {
    border-top: none;
    font-size: 1.15rem;
}

.review-table thead tr:first-child th:first-child {
    border-top-left-radius: 16px;
}

.review-table thead tr:first-child th:last-child {
    border-top-right-radius: 16px;
}

.review-table tbody tr {
    transition: var(--transition);
}

.review-table tbody tr:hover {
    background: rgba(255, 140, 66, 0.05);
}

.review-table tbody td {
    font-weight: 500;
    color: var(--text-main);
}

.review-table tbody td.empty-cell {
    background: rgba(0,0,0,0.03);
}

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

.group-list-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
    padding: 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.05);
    margin-top: 1.5rem;
}

.group-list-img {
    width: 100%;
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid #fff;
    cursor: zoom-in;
    transition: var(--transition);
}

.group-list-img:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

/* Timeline Details */
.timeline-details {
    margin-top: 1.5rem;
    background: #F0F4F8;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transition: var(--transition);
}

.timeline-details[open] {
    background: #fff;
    box-shadow: var(--shadow-sm);
    border-color: rgba(33, 158, 188, 0.3);
}

.timeline-details summary {
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary-color);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    user-select: none;
}

.timeline-details summary::-webkit-details-marker {
    display: none;
}

.timeline-details summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: auto;
    transition: transform 0.3s ease;
}

.timeline-details[open] summary::after {
    transform: rotate(180deg);
}

.timeline-details[open] summary {
    border-bottom: 1px solid rgba(0,0,0,0.05);
    background: rgba(33, 158, 188, 0.05);
}

.timeline-details .details-content {
    padding: 1.5rem;
    animation: fadeInContent 0.4s ease;
}

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