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

:root {
    --primary: #ec4899;
    --primary-dark: #db2777;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --gradient: linear-gradient(135deg, #ec4899 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-pink: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
    --gradient-soft: linear-gradient(135deg, rgba(236, 72, 153, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --bg-dark: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.06);
    --bg-card-hover: rgba(255, 255, 255, 0.1);
    --bg-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #b4b4c8;
    --text-muted: #787890;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.15);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 4px 12px rgba(236, 72, 153, 0.2);
    --shadow-md: 0 8px 30px rgba(139, 92, 246, 0.25);
    --shadow-lg: 0 20px 60px rgba(236, 72, 153, 0.3);
    --shadow-glow: 0 0 40px rgba(236, 72, 153, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(236, 72, 153, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.4);
}

.brand-name {
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    gap: 28px;
}

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.main-nav a::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: all 0.3s;
    transform: translateX(-50%);
}

.main-nav a:hover {
    color: var(--text-primary);
}

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

.header-download-btn {
    padding: 10px 24px;
    background: var(--gradient);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

.header-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.5);
}

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

.mobile-menu-btn span {
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

.banner-section {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.banner-bg::before {
    content: "";
    position: absolute;
    top: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.25) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.banner-bg::after {
    content: "";
    position: absolute;
    bottom: 10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.banner-wrap {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 50px;
    align-items: center;
}

.banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.3);
    border-radius: 50px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #f9a8d4;
    backdrop-filter: blur(10px);
}

.tag-dot {
    width: 8px;
    height: 8px;
    background: #f472b6;
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px rgba(236, 72, 153, 0.6);
}

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

.banner-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.title-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.banner-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}

.bf-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.bf-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.bf-icon {
    font-size: 16px;
}

.banner-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 44px;
}

.btn-main {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: var(--gradient);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-main::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-main:hover::before {
    left: 100%;
}

.btn-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(236, 72, 153, 0.5);
}

.btn-icon {
    font-size: 18px;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: var(--bg-card-hover);
    border-color: rgba(236, 72, 153, 0.5);
    transform: translateY(-3px);
}

.banner-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-left: 8px;
    backdrop-filter: blur(20px);
    transition: all 0.3s;
}

.banner-qr:hover {
    border-color: rgba(236, 72, 153, 0.4);
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.2);
}

.banner-qr img {
    width: 180px;
    height: 180px;
    border-radius: 12px;
    object-fit: cover;
}

.banner-qr span {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.banner-data {
    display: flex;
    align-items: center;
    gap: 40px;
}

.data-item {
    display: flex;
    flex-direction: column;
}

.data-item strong {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.data-item span {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.data-line {
    width: 1px;
    height: 48px;
    background: var(--border-color);
}

.banner-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    position: relative;
    width: 360px;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-color: rgba(236, 72, 153, 0.3);
    animation: rotate 25s linear infinite;
}

.ring-2 {
    width: 75%;
    height: 75%;
    border-color: rgba(139, 92, 246, 0.3);
    animation: rotate 20s linear infinite reverse;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.card-avatar {
    width: 55%;
    height: 55%;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 0 60px rgba(236, 72, 153, 0.5),
                0 0 100px rgba(139, 92, 246, 0.3);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.card-avatar img {
    width: 65%;
    height: 65%;
    object-fit: contain;
}

.card-float {
    position: absolute;
    width: 56px;
    height: 56px;
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    backdrop-filter: blur(10px);
    animation: floatCard 3s ease-in-out infinite;
}

.float-1 {
    top: 8%;
    right: 2%;
    animation-delay: 0s;
}

.float-2 {
    bottom: 18%;
    left: -2%;
    animation-delay: 1s;
}

.float-3 {
    top: 45%;
    right: -5%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(5deg); }
}

.section-title-wrap {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-soft);
    color: #f9a8d4;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(236, 72, 153, 0.2);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.intro-section {
    padding: 90px 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.intro-image {
    display: flex;
    justify-content: center;
}

.intro-img-box {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4/3;
    background: var(--gradient-soft);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.intro-img-box::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(236, 72, 153, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.img-placeholder {
    text-align: center;
    position: relative;
    z-index: 1;
}

.big-icon {
    font-size: 88px;
    display: block;
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 20px rgba(236, 72, 153, 0.4));
}

.img-placeholder p {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 600;
}

.intro-content h3 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 22px;
}

.intro-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 18px;
}

.intro-points {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.point-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.point-num {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: var(--gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

.point-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.point-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.7;
}

.functions-section {
    padding: 90px 0;
    background: linear-gradient(180deg, transparent, rgba(236, 72, 153, 0.03), transparent);
}

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

.func-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.func-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.func-card:hover {
    transform: translateY(-8px);
    border-color: rgba(236, 72, 153, 0.3);
    box-shadow: var(--shadow-lg);
}

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

.func-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 22px;
    position: relative;
}

.func-icon::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    background: var(--gradient);
    opacity: 0.3;
    filter: blur(8px);
    z-index: -1;
}

.fi-1 { background: rgba(236, 72, 153, 0.2); }
.fi-2 { background: rgba(139, 92, 246, 0.2); }
.fi-3 { background: rgba(6, 182, 212, 0.2); }
.fi-4 { background: rgba(245, 158, 11, 0.2); }
.fi-5 { background: rgba(34, 197, 94, 0.2); }
.fi-6 { background: rgba(239, 68, 68, 0.2); }

.func-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.func-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
}

.func-card ul {
    list-style: none;
    padding: 0;
}

.func-card ul li {
    position: relative;
    padding-left: 22px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.func-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #f472b6;
    font-weight: 700;
}

.roles-section {
    padding: 90px 0;
}

.roles-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.role-tab {
    padding: 10px 26px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.role-tab.active,
.role-tab:hover {
    background: var(--gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

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

.role-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.role-card:hover {
    transform: translateY(-6px);
    border-color: rgba(236, 72, 153, 0.4);
    box-shadow: var(--shadow-md);
}

.role-avatar {
    position: relative;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.rc-1 { background: linear-gradient(135deg, rgba(236, 72, 153, 0.3), rgba(139, 92, 246, 0.3)); }
.rc-2 { background: linear-gradient(135deg, rgba(244, 114, 182, 0.3), rgba(251, 191, 36, 0.3)); }
.rc-3 { background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3)); }
.rc-4 { background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(6, 182, 212, 0.3)); }
.rc-5 { background: linear-gradient(135deg, rgba(14, 165, 233, 0.3), rgba(20, 184, 166, 0.3)); }
.rc-6 { background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(236, 72, 153, 0.3)); }

.role-emoji {
    font-size: 72px;
    transition: transform 0.4s;
}

.role-card:hover .role-emoji {
    transform: scale(1.15);
}

.role-type {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 5px 14px;
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    color: white;
    font-size: 12px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.4);
}

.role-info {
    padding: 22px;
}

.role-info h4 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 4px;
}

.role-cat {
    display: inline-block;
    font-size: 13px;
    color: #f9a8d4;
    margin-bottom: 10px;
    font-weight: 500;
}

.role-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.roles-more {
    text-align: center;
    margin-top: 40px;
}

.roles-more p {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
}

.showcase-section {
    padding: 90px 0;
    background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.03), transparent);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.screenshot-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.screenshot-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: rgba(236, 72, 153, 0.4);
    z-index: 10;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.guide-section {
    padding: 90px 0;
}

.guide-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    margin-bottom: 48px;
}

.guide-step {
    flex: 1;
    max-width: 280px;
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.guide-step:hover {
    border-color: rgba(236, 72, 153, 0.3);
    transform: translateY(-4px);
}

.step-num {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.4);
}

.step-icon {
    font-size: 52px;
    margin-bottom: 18px;
    display: block;
}

.guide-step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.guide-step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #f472b6;
    padding-top: 60px;
    flex-shrink: 0;
    animation: arrowBounce 2s infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

.guide-tips {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px 28px;
    background: var(--bg-card);
    border: 1px solid rgba(236, 72, 153, 0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
}

.guide-tips h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: #f9a8d4;
}

.guide-tips p {
    font-size: 14px;
    color: var(--text-secondary);
}

.comments-section {
    padding: 90px 0;
    background: linear-gradient(180deg, transparent, rgba(236, 72, 153, 0.03), transparent);
}

.comments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.comment-card {
    padding: 32px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.comment-card:hover {
    border-color: rgba(236, 72, 153, 0.3);
    transform: translateY(-4px);
}

.comment-user {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.cu-avatar {
    width: 52px;
    height: 52px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.comment-user h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.comment-user span {
    font-size: 13px;
    color: var(--text-muted);
}

.comment-card > p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 18px;
}

.comment-stars {
    font-size: 16px;
    letter-spacing: 2px;
}

.qa-section {
    padding: 90px 0;
}

.qa-list {
    max-width: 800px;
    margin: 0 auto;
}

.qa-item {
    margin-bottom: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.qa-item.active {
    border-color: rgba(236, 72, 153, 0.4);
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.15);
}

.qa-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 26px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
}

.qa-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f9a8d4;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.qa-item.active .qa-toggle {
    transform: rotate(45deg);
    background: var(--gradient);
    color: white;
}

.qa-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.qa-item.active .qa-answer {
    max-height: 800px;
}

.qa-answer p {
    padding: 0 26px 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.download-section {
    padding: 90px 0;
}

.download-box {
    background: var(--gradient);
    border-radius: var(--radius-xl);
    padding: 70px 50px;
    position: relative;
    overflow: hidden;
}

.download-box::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.download-box::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.download-info {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.download-info h2 {
    font-size: 40px;
    font-weight: 800;
    color: white;
    margin-bottom: 14px;
}

.download-info > p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
}

.download-features {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.download-features span {
    color: white;
    font-size: 15px;
    font-weight: 500;
}

.download-btns {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.download-btn-android {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 36px;
    background: white;
    color: var(--primary-dark);
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.download-btn-android:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.db-icon {
    font-size: 30px;
}

.download-btn-android strong {
    display: block;
    font-size: 17px;
    font-weight: 700;
}

.download-btn-android span {
    font-size: 13px;
    color: #888;
}

.download-qr-box {
    text-align: center;
}

.download-qr-box img {
    width: 110px;
    height: 110px;
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    background: white;
    padding: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.download-qr-box p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-weight: 500;
}

.download-tip {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.95);
}

.download-tip strong {
    font-size: 17px;
    font-weight: 700;
}

.site-footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border-color);
    padding: 70px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 70px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 14px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    margin-bottom: 14px;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

.footer-brand p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 14px;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    text-decoration: none;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--gradient);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: #f9a8d4;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.footer-icp a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 82%;
    max-width: 340px;
    background: linear-gradient(180deg, #0f0f28, #0a0a1a);
    padding: 28px 24px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--border-color);
}

.mobile-menu.active .mobile-menu-panel {
    transform: translateX(0);
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}

.menu-header span {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.menu-header button {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 26px;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 36px;
}

.mobile-nav a {
    padding: 16px 18px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.3s;
}

.mobile-nav a:hover {
    background: var(--bg-card);
}

.mobile-download-btn {
    display: block;
    text-align: center;
    padding: 16px;
    background: var(--gradient);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.4);
}

@media (max-width: 992px) {
    .banner-wrap {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .banner-visual {
        order: -1;
    }
    
    .visual-card {
        width: 280px;
        height: 280px;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .func-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .roles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .guide-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        padding-top: 0;
        padding: 10px 0;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .banner-title {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .header-download-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .banner-section {
        padding: 120px 0 70px;
    }
    
    .banner-title {
        font-size: 36px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .banner-data {
        gap: 24px;
    }
    
    .data-item strong {
        font-size: 26px;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .func-grid {
        grid-template-columns: 1fr;
    }
    
    .roles-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comments-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    
    .download-box {
        padding: 50px 30px;
    }
    
    .download-info h2 {
        font-size: 30px;
    }
    
    .download-btns {
        flex-direction: column;
        gap: 24px;
    }
    
    .banner-actions {
        justify-content: center;
    }
    
    .banner-qr {
        width: 100%;
        justify-content: center;
        margin-left: 0;
        margin-top: 16px;
    }
    
    .banner-qr img {
        width: 140px;
        height: 140px;
    }
    
    .banner-tag {
        display: none;
    }
    
    .banner-text {
        text-align: center;
    }
    
    .banner-features {
        justify-content: center;
    }
    
    .banner-data {
        justify-content: center;
    }
    
    .section-label {
        font-size: 13px;
        padding: 6px 16px;
    }
}

@media (max-width: 480px) {
    .banner-title {
        font-size: 30px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .roles-tabs {
        gap: 8px;
    }
    
    .role-tab {
        padding: 8px 18px;
        font-size: 13px;
    }
    
    .banner-data {
        gap: 16px;
    }
    
    .data-item strong {
        font-size: 22px;
    }
    
    .data-line {
        height: 36px;
    }
    
    .btn-main, .btn-ghost {
        padding: 14px 28px;
        font-size: 15px;
    }
}