/* ============================================================
   新游纪城市定向挑战赛 - 首页专用样式 (v2.0)
   ============================================================ */

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 2rem 4rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(230, 57, 70, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(244, 162, 97, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--dark) 0%, #0A1628 100%);
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-image: url('keyframes/01_hero首帧_城市探险开启.png');
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    filter: blur(3px);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(230, 57, 70, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(230, 57, 70, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(60px); }
}

/* Hero floating particles */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: float 15s infinite;
}

.particle:nth-child(1)  { left: 10%; animation-delay: 0s; animation-duration: 20s; }
.particle:nth-child(2)  { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3)  { left: 30%; animation-delay: 4s; animation-duration: 22s; }
.particle:nth-child(4)  { left: 40%; animation-delay: 1s; animation-duration: 16s; }
.particle:nth-child(5)  { left: 50%; animation-delay: 3s; animation-duration: 24s; }
.particle:nth-child(6)  { left: 60%; animation-delay: 5s; animation-duration: 20s; }
.particle:nth-child(7)  { left: 70%; animation-delay: 2.5s; animation-duration: 18s; }
.particle:nth-child(8)  { left: 80%; animation-delay: 1.5s; animation-duration: 22s; }
.particle:nth-child(9)  { left: 90%; animation-delay: 4.5s; animation-duration: 20s; }

/* Vertical brand text */
.hero-side-text {
    position: fixed;
    bottom: 0;
    z-index: 5;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
    writing-mode: vertical-rl;
    letter-spacing: 5px;
    opacity: 0.6;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
    padding: 1rem 0.5rem;
    height: 50vh;
    display: flex;
    align-items: center;
}

.hero-side-text.left {
    left: 0.75rem;
    text-orientation: mixed;
}

.hero-side-text.left::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 40%;
    background: linear-gradient(to bottom, transparent, var(--primary));
    opacity: 0.2;
}

.hero-side-text.right {
    right: 0.75rem;
    text-orientation: mixed;
}

.hero-side-text.right::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 40%;
    background: linear-gradient(to bottom, transparent, var(--primary));
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 0 1.5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.15), rgba(244, 162, 97, 0.1));
    border: 1px solid rgba(230, 57, 70, 0.4);
    padding: 0.5rem 1.25rem 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.8s ease-out;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px rgba(230, 57, 70, 0.5);
    flex-shrink: 0;
}

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(230, 57, 70, 0.25));
}

.hero h1 .sub-heading {
    display: block;
    font-size: 0.65em;
    font-weight: 500;
    margin-top: 0.25rem;
    filter: drop-shadow(0 0 20px rgba(244, 162, 97, 0.15));
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: rgba(241, 250, 238, 0.85);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-subtitle .accent {
    color: var(--accent);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3.5rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(244, 162, 97, 0.2));
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.hero-trust {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.hero-trust .trust-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.trust-logos {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.trust-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.05);
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

.trust-item:nth-child(1) { animation-delay: 0.1s; }
.trust-item:nth-child(2) { animation-delay: 0.2s; }
.trust-item:nth-child(3) { animation-delay: 0.3s; }
.trust-item:nth-child(4) { animation-delay: 0.4s; }

/* --- VIDEO SECTION --- */
.video-section {
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
    padding: 4rem 2rem;
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

/* --- GALLERY SECTION --- */
.gallery-section {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.gallery-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.06) 0%, transparent 60%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-slow);
    aspect-ratio: 4 / 3;
    min-height: 200px;
}

.gallery-item:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

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

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

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 27, 42, 0.9) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay,
.gallery-item:focus-visible .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.gallery-overlay p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.gallery-cta {
    text-align: center;
    margin-top: 2.5rem;
    position: relative;
    z-index: 5;
}

/* --- ARCHITECTURE SECTION --- */
.architecture {
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
}

.arch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.arch-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-slow);
}

.arch-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(230, 57, 70, 0.12);
}

.arch-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.25rem;
}

.arch-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.arch-card .tech-stack {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.arch-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.arch-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.arch-tag {
    background: rgba(244, 162, 97, 0.12);
    color: var(--accent);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

/* --- FEATURES SECTION --- */
.features {
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
    position: relative;
}
.features::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(230, 57, 70, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

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

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, transparent 50%, rgba(230, 57, 70, 0.06));
    border-radius: 0 0 var(--radius-lg) 0;
    transition: all var(--transition-slow);
    pointer-events: none;
}
.feature-card:hover::after {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, transparent 50%, rgba(230, 57, 70, 0.12));
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(230, 57, 70, 0.3);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* --- AR SECTION --- */
.ar-section {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.ar-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(157, 78, 221, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
}
.ar-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(157, 78, 221, 0.03) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.ar-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

.ar-card {
    background: rgba(29, 53, 87, 0.35);
    border: 1px solid rgba(157, 78, 221, 0.2);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all var(--transition-slow);
}

.ar-card:hover {
    border-color: var(--purple);
    box-shadow: 0 10px 40px rgba(157, 78, 221, 0.12);
}

.ar-card.cyan {
    border-color: rgba(0, 212, 255, 0.2);
}

.ar-card.cyan:hover {
    border-color: var(--cyan);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.12);
}

.ar-badge {
    display: inline-block;
    background: rgba(157, 78, 221, 0.15);
    color: var(--purple);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.ar-card.cyan .ar-badge {
    background: rgba(0, 212, 255, 0.15);
    color: var(--cyan);
}

.ar-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.ar-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.ar-features {
    list-style: none;
}

.ar-features li {
    padding: 0.4rem 0;
    color: rgba(241, 250, 238, 0.8);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ar-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

/* --- QUESTION TYPES --- */
.question-types {
    background: linear-gradient(180deg, var(--dark) 0%, var(--darker) 100%);
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
}

.type-card {
    background: var(--card-bg);
    border: 1px solid rgba(69, 123, 157, 0.12);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.type-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(244, 162, 97, 0.08);
}

.type-number {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    font-size: 2rem;
    font-weight: 900;
    color: rgba(230, 57, 70, 0.08);
    line-height: 1;
}

.type-icon {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.type-card h4 {
    font-size: 1rem;
    margin-bottom: 0.35rem;
    color: var(--accent);
}

.type-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- GAMEPLAY SECTION --- */
.gameplay {
    background: var(--dark);
    position: relative;
}

.gameplay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.04) 0%, transparent 70%);
}

.gameplay-content {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.gameplay-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    position: relative;
}

.gameplay-timeline::before {
    content: '';
    position: absolute;
    top: 30px;
    left: calc(12.5% + 30px);
    right: calc(12.5% + 30px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
    opacity: 0.3;
}

.timeline-step {
    text-align: center;
    position: relative;
    padding-top: 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
    position: relative;
    z-index: 2;
    animation: stepPulse 3s ease-in-out infinite;
}
.step-number::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(230, 57, 70, 0.15);
    animation: stepRing 3s ease-in-out infinite;
}
@keyframes stepPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3); }
    50% { box-shadow: 0 4px 30px rgba(230, 57, 70, 0.5), 0 0 60px rgba(230, 57, 70, 0.15); }
}
@keyframes stepRing {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.1; }
}

.step-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.step-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 200px;
    margin: 0 auto;
}

.task-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: 900px;
    margin: 3.5rem auto 0;
}

.task-card {
    background: rgba(29, 53, 87, 0.35);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: left;
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.task-card:hover {
    border-color: var(--accent);
    background: var(--card-bg-hover);
    transform: translateY(-3px);
}

.task-icon {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.task-card h4 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
    color: var(--accent);
}

.task-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- REWARDS SECTION --- */
.rewards {
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.reward-card {
    background: linear-gradient(145deg, rgba(29, 53, 87, 0.35), rgba(13, 27, 42, 0.5));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-slow);
}

.reward-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.08);
}

.reward-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.reward-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--gold);
}

.reward-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.achievement-levels {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.level-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.level-bronze  { background: rgba(205, 127, 50, 0.25); color: #CD7F32; }
.level-silver  { background: rgba(192, 192, 192, 0.25); color: #C0C0C0; }
.level-gold    { background: rgba(255, 215, 0, 0.25); color: #FFD700; }
.level-diamond { background: rgba(0, 212, 255, 0.25); color: var(--cyan); }

/* --- PRODUCTS SECTION --- */
.products {
    background: linear-gradient(180deg, var(--dark) 0%, var(--darker) 100%);
    position: relative;
}
.products::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(230, 57, 70, 0.025) 1px, transparent 1px);
    background-size: 26px 26px;
    pointer-events: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.product-card {
    background: linear-gradient(145deg, rgba(29, 53, 87, 0.4), rgba(13, 27, 42, 0.7));
    border-radius: var(--radius-xl);
    padding: 2rem 1.75rem;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.product-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 40px rgba(230, 57, 70, 0.1), 0 0 80px rgba(230, 57, 70, 0.05);
    position: relative;
}
.product-card.featured::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--primary), transparent, var(--accent));
    opacity: 0.15;
    z-index: -1;
    animation: borderGlow 3s ease-in-out infinite;
}
@keyframes borderGlow {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.25; }
}

.product-card.featured::before {
    content: '热门';
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--primary);
    color: white;
    padding: 0.25rem 2.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.product-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.15), rgba(244, 162, 97, 0.15));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.product-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
}

.product-tag {
    background: rgba(244, 162, 97, 0.12);
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

/* --- TECH SECTION --- */
.tech {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.tech::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(230, 57, 70, 0.06) 0%, transparent 60%);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.tech-card {
    text-align: center;
    padding: 2rem;
}

.tech-icon {
    width: 64px;
    height: 64px;
    background: rgba(230, 57, 70, 0.08);
    border: 2px solid rgba(230, 57, 70, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.25rem;
    transition: border-color var(--transition-base);
}

.tech-card:hover .tech-icon {
    border-color: var(--primary);
}

.tech-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- SCENARIOS SECTION --- */
.scenarios {
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1000px;
    margin: 0 auto;
}

.scenario-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.scenario-icon {
    font-size: 2.2rem;
    margin-bottom: 0.75rem;
}

.scenario-card h4 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.scenario-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- CTA SECTION --- */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    text-align: center;
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.05) 0%, transparent 60%);
    animation: ctaGlow 6s ease-in-out infinite;
    pointer-events: none;
}
@keyframes ctaGlow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.cta-content {
    position: relative;
    max-width: 650px;
    margin: 0 auto;
}

.cta h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cta-highlight {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-qr {
    margin-top: 2.5rem;
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.qr-code {
    width: 110px;
    height: 110px;
    background: white;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    color: var(--primary);
    transition: transform var(--transition-base);
}

.qr-item:hover .qr-code {
    transform: scale(1.05);
}

.qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
    display: block;
}

.qr-item p {
    font-size: 0.85rem;
    margin-bottom: 0;
    opacity: 0.9;
}

/* --- BRAND STORY --- */
.brand-story {
    background: linear-gradient(180deg, var(--dark) 0%, var(--darker) 100%);
    position: relative;
    overflow: hidden;
}

.brand-story::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(230, 57, 70, 0.08) 0%, transparent 60%);
}

.brand-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.brand-quote {
    font-size: clamp(1.3rem, 2.5vw, 1.7rem);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.brand-quote .highlight {
    color: var(--primary);
    font-weight: 600;
    font-style: normal;
}

.brand-mission {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.mission-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.mission-item:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.mission-icon {
    font-size: 2.2rem;
    margin-bottom: 0.75rem;
}

.mission-item h4 {
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.mission-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- SOCIAL PROOF --- */
.social-proof {
    background: var(--darker);
    padding: 4rem 2rem;
}

.proof-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.proof-text h3 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
}

.proof-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.proof-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.proof-tag {
    background: rgba(230, 57, 70, 0.08);
    border: 1px solid rgba(230, 57, 70, 0.15);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary);
}

.proof-testimonials {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border-left: 3px solid var(--primary);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    background: var(--card-bg-hover);
}

.testimonial-text {
    font-style: italic;
    color: rgba(241, 250, 238, 0.8);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.testimonial-author {
    color: var(--accent);
    font-size: 0.85rem;
}

/* ============================================================
   RESPONSIVE: HOME PAGE BREAKPOINTS
   ============================================================ */

@media (max-width: 1100px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .arch-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }
    .ar-content {
        grid-template-columns: 1fr;
    }
    .rewards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .brand-mission {
        grid-template-columns: 1fr;
    }
    .proof-content {
        grid-template-columns: 1fr;
    }
    .task-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .hero {
        min-height: 90vh;
        padding: 5rem 1rem 3rem;
    }
    .hero-side-text {
        display: none;
    }
    .hero-content {
        padding: 0 0.5rem;
        max-width: 100%;
    }
    .hero-stats {
        gap: 2rem;
        flex-wrap: wrap;
    }
    .stat-number {
        font-size: 2rem;
    }
    .gameplay-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .gameplay-timeline::before {
        display: none;
    }
    .task-types {
        grid-template-columns: repeat(2, 1fr);
    }
    .types-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .brand-quote br {
        display: none;
    }
    .cta-highlight {
        font-size: 0.85rem;
        padding: 0.4rem 1rem;
    }
}

/* ============================================================
   NEW SECTION: SAFETY SYSTEM (安全系统可视化)
   ============================================================ */
.safety-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--darker) 100%);
    position: relative;
    overflow: hidden;
}
.safety-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 30%, rgba(230,57,70,0.08) 0%, transparent 60%);
}
.safety-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}
.safety-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}
.safety-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.safety-card .safety-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}
.safety-card .safety-icon.red { background: rgba(230,57,70,0.15); }
.safety-card .safety-icon.cyan { background: rgba(0,212,255,0.15); }
.safety-card .safety-icon.gold { background: rgba(255,215,0,0.15); }
.safety-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.safety-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 0.75rem; }
.safety-stats { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.safety-stat { text-align: center; }
.safety-stat .num { font-size: 1.4rem; font-weight: 700; }
.safety-stat .num.red { color: var(--primary); }
.safety-stat .num.cyan { color: var(--cyan); }
.safety-stat .label { font-size: 0.75rem; color: var(--text-muted); }

/* Safety visualization mockup - simplified map area */
.safety-map-mock {
    background: linear-gradient(145deg, rgba(29,53,87,0.5), rgba(13,27,42,0.7));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
}
.safety-map-mock .map-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(69,123,157,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(69,123,157,0.05) 1px, transparent 1px);
    background-size: 30px 30px;
}
.safety-map-mock .safety-zone {
    position: absolute;
    border: 2px dashed var(--primary);
    border-radius: 50%;
    opacity: 0.5;
}
.safety-map-mock .safety-zone.z1 { top: 20%; left: 20%; width: 60%; height: 60%; }
.safety-map-mock .safety-zone.z2 { top: 10%; left: 10%; width: 35%; height: 35%; border-color: var(--cyan); }
.safety-map-mock .map-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    position: absolute;
    animation: pulse-dot 2s infinite;
}
.safety-map-mock .map-dot.d1 { top: 35%; left: 30%; background: var(--primary); animation-delay: 0s; }
.safety-map-mock .map-dot.d2 { top: 50%; left: 45%; background: var(--accent); animation-delay: 0.5s; }
.safety-map-mock .map-dot.d3 { top: 65%; left: 35%; background: var(--cyan); animation-delay: 1s; }
.safety-map-mock .map-dot.d4 { top: 40%; left: 55%; background: var(--primary); animation-delay: 1.5s; }
.safety-map-mock .map-dot.d5 { top: 55%; left: 60%; background: var(--gold); animation-delay: 2s; }
.safety-map-mock .sos-marker {
    position: absolute;
    top: 70%; left: 70%;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    animation: pulse-sos 1.5s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}
@keyframes pulse-sos {
    0%, 100% { box-shadow: 0 0 0 0 rgba(230,57,70,0.4); }
    50% { box-shadow: 0 0 0 10px rgba(230,57,70,0); }
}

/* ============================================================
   NEW SECTION: RTK POSITIONING (高精度定位)
   ============================================================ */
.rtk-section {
    background: var(--dark);
    position: relative;
}
.rtk-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}
.rtk-compare {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
}
.rtk-compare:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}
.rtk-compare .rtk-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.rtk-compare .rtk-badge.old { background: rgba(255,255,255,0.08); color: var(--text-muted); }
.rtk-compare .rtk-badge.new { background: rgba(0,212,255,0.15); color: var(--cyan); }
.rtk-compare .accuracy-display {
    font-size: 3rem;
    font-weight: 900;
    margin: 1rem 0;
}
.rtk-compare .accuracy-display.old { color: var(--text-muted); }
.rtk-compare .accuracy-display.new { color: var(--cyan); text-shadow: 0 0 40px rgba(0,212,255,0.3); }
.rtk-compare .accuracy-label { font-size: 0.85rem; color: var(--text-secondary); }
.rtk-compare .accuracy-bar {
    height: 6px;
    border-radius: 3px;
    margin: 1rem 0;
    position: relative;
    overflow: hidden;
}
.rtk-compare .accuracy-bar .fill {
    height: 100%;
    border-radius: 3px;
    transition: width 1s ease;
}
.rtk-compare .accuracy-bar.old .fill { width: 85%; background: linear-gradient(90deg, var(--text-muted), var(--gray)); }
.rtk-compare .accuracy-bar.new .fill { width: 98%; background: linear-gradient(90deg, var(--cyan), var(--primary)); animation: shimmer-rtk 2s infinite; background-size: 200% 100%; }
@keyframes shimmer-rtk {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ============================================================
   NEW SECTION: REAL-TIME DASHBOARD (实时大屏)
   ============================================================ */
.dashboard-section {
    background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%);
    position: relative;
    overflow: hidden;
}
.dashboard-mock {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(13,27,42,0.95), rgba(10,22,40,0.98));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}
.dashboard-mock::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--cyan), var(--purple), var(--primary));
    background-size: 200% 100%;
    animation: dashGradient 4s linear infinite;
}
@keyframes dashGradient {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 1.5rem;
}
.dashboard-header .title {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.dashboard-header .status-dot {
    width: 8px; height: 8px;
    background: #00ff00;
    border-radius: 50%;
    animation: pulse 2s infinite;
    display: inline-block;
}
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.dashboard-stat {
    background: rgba(29,53,87,0.3);
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
}
.dashboard-stat .num {
    font-size: 1.6rem;
    font-weight: 700;
}
.dashboard-stat .num.online { color: #00ff00; }
.dashboard-stat .num.finished { color: var(--accent); }
.dashboard-stat .num.alert { color: var(--primary); }
.dashboard-stat .label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }
.dashboard-map-area {
    aspect-ratio: 21/9;
    background: rgba(13,27,42,0.8);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}
.dashboard-map-area .map-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}
.dashboard-map-area .team-tag {
    position: absolute;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.dashboard-map-area .team-tag::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    display: inline-block;
}
.dashboard-map-area .team-tag.t1 { top: 25%; left: 25%; background: rgba(230,57,70,0.3); color: var(--primary); }
.dashboard-map-area .team-tag.t1::before { background: var(--primary); }
.dashboard-map-area .team-tag.t2 { top: 45%; left: 40%; background: rgba(244,162,97,0.3); color: var(--accent); }
.dashboard-map-area .team-tag.t2::before { background: var(--accent); }
.dashboard-map-area .team-tag.t3 { top: 55%; left: 30%; background: rgba(0,212,255,0.3); color: var(--cyan); }
.dashboard-map-area .team-tag.t3::before { background: var(--cyan); }
.dashboard-map-area .team-tag.t4 { top: 35%; left: 55%; background: rgba(255,215,0,0.3); color: var(--gold); }
.dashboard-map-area .team-tag.t4::before { background: var(--gold); }
.dashboard-map-area .alert-tag {
    position: absolute;
    top: 8%;
    right: 8%;
    background: rgba(230,57,70,0.9);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    animation: pulse-sos 1.5s infinite;
}
.dashboard-timeline {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}
.dashboard-timeline .event {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.dashboard-timeline .event .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
}
.dashboard-timeline .event .dot.green { background: #00ff00; }
.dashboard-timeline .event .dot.yellow { background: var(--accent); }
.dashboard-timeline .event .dot.red { background: var(--primary); }

/* ============================================================
   NEW SECTION: TEAM COLLABORATION (团队协作)
   ============================================================ */
.team-section {
    background: var(--dark);
    position: relative;
}
.team-visual {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}
.team-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}
.team-step {
    text-align: center;
    padding: 1.25rem 0.75rem;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
}
.team-step:hover { transform: translateY(-3px); border-color: var(--primary); }
.team-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
}
.team-step .step-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.team-step h4 { font-size: 0.9rem; margin-bottom: 0.25rem; }
.team-step p { font-size: 0.75rem; color: var(--text-secondary); }
.team-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.team-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}
.team-feature:hover { border-color: var(--accent); }
.team-feature .icon { font-size: 1.3rem; flex-shrink: 0; }
.team-feature .text { font-size: 0.85rem; color: var(--text-secondary); }

@media (max-width: 1100px) {
    .safety-grid,
    .rtk-visual,
    .team-visual { grid-template-columns: 1fr; }
    .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
    .team-flow { grid-template-columns: repeat(2, 1fr); }
    .team-step:not(:last-child)::after { display: none; }
}
@media (max-width: 600px) {
    .dashboard-stats { grid-template-columns: 1fr; }
    .dashboard-timeline { flex-direction: column; gap: 0.5rem; }
    .team-flow { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .hero {
        min-height: 85vh;
        padding: 5rem 1rem 2.5rem;
    }
    .hero-stats {
        flex-direction: column;
        gap: 1.25rem;
    }
    .gameplay-timeline {
        grid-template-columns: 1fr;
    }
    .gameplay-timeline::before {
        display: none;
    }
    .timeline-step::after {
        display: none;
    }
    .task-types {
        grid-template-columns: 1fr;
    }
    .features-grid,
    .products-grid,
    .gallery-grid,
    .rewards-grid,
    .scenarios-grid,
    .types-grid {
        grid-template-columns: 1fr;
    }
    .gallery-grid {
        grid-template-rows: auto;
    }
    .gallery-item {
        height: 220px;
    }
    .cta {
        padding: 3.5rem 1.5rem;
    }
    .cta-qr {
        gap: 1.5rem;
    }
    .qr-code {
        width: 90px;
        height: 90px;
        font-size: 2.2rem;
    }
    .proof-tags {
        gap: 0.4rem;
    }
    .proof-tag {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }
}