/* ===== 基础重置与变量 ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --accent: #a855f7;
    --accent-2: #ec4899;
    --dark: #0a0a1a;
    --dark-2: #1a1a2e;
    --gray-900: #18181b;
    --gray-800: #27272a;
    --gray-700: #3f3f46;
    --gray-600: #52525b;
    --gray-500: #71717a;
    --gray-400: #a1a1aa;
    --gray-300: #d4d4d8;
    --gray-200: #e4e4e7;
    --gray-100: #f4f4f5;
    --gray-50: #fafafa;
    --bg: #ffffff;
    --text: #18181b;
    --text-2: #52525b;
    --border: #e4e4e7;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 25px 50px -12px rgb(0 0 0 / 0.18);
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --container: 1240px;
    --header-h: 72px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px 0 rgba(99, 102, 241, 0.5);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--gray-300);
}

.btn-ghost:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== 头部导航 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 100;
    transition: all var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: -0.5px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
}

.logo-tagline {
    font-size: 9px;
    letter-spacing: 1.5px;
    color: var(--gray-500);
    font-weight: 600;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-2);
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.06);
}

.nav-cta {
    padding: 10px 20px;
    font-size: 14px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===== Hero 主视觉 ===== */
.hero {
    position: relative;
    padding: calc(var(--header-h) + 80px) 0 100px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: radial-gradient(ellipse at top, #1e1b4b 0%, #0a0a1a 60%);
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -150px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-2);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.4;
    animation: float 12s ease-in-out infinite;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-desc strong {
    color: #fbbf24;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-actions .btn-ghost {
    color: white;
    border-color: rgba(255, 255, 255, 0.25);
}

.hero-actions .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-num {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.visual-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 20px;
    color: white;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: floatCard 6s ease-in-out infinite;
}

.card-1 { top: 0; right: 30px; width: 200px; }
.card-2 { top: 40%; right: 0; width: 220px; animation-delay: -2s; }
.card-3 { bottom: 20%; left: 20px; width: 180px; animation-delay: -4s; }
.card-4 { top: 30%; left: 0; width: 200px; animation-delay: -3s; }

.card-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card-chart {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 50px;
}

.card-chart span {
    flex: 1;
    background: linear-gradient(180deg, #818cf8, #6366f1);
    border-radius: 3px;
    height: var(--h);
    animation: barGrow 2s ease-out;
}

.progress-ring {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto;
}

.progress-ring svg {
    width: 100%;
    height: 100%;
}

.ring-value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.pulse-dot {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    margin: 14px auto;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseRing 2s infinite;
}

.card-dots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 8px;
}

.card-dots span {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #818cf8, #c084fc);
    border-radius: 3px;
    animation: dotPulse 2s infinite;
}

.card-dots span:nth-child(2) { animation-delay: 0.2s; }
.card-dots span:nth-child(3) { animation-delay: 0.4s; }
.card-dots span:nth-child(5) { animation-delay: 0.6s; }
.card-dots span:nth-child(8) { animation-delay: 0.8s; }

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 14px;
    z-index: 2;
}

.scroll-indicator span {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

/* ===== 合作伙伴 ===== */
.partners {
    padding: 50px 0;
    background: var(--gray-50);
    border-bottom: 1px solid var(--border);
}

.partners-label {
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.partners-track {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.partners-slide {
    display: flex;
    gap: 60px;
    animation: scroll 30s linear infinite;
    width: max-content;
}

.partners-slide span {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-400);
    transition: color var(--transition);
    white-space: nowrap;
}

.partners-slide span:hover {
    color: var(--primary);
}

/* ===== 通用板块 ===== */
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-title strong {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 17px;
    color: var(--text-2);
    line-height: 1.6;
}

/* ===== 服务板块 ===== */
.services {
    padding: 100px 0;
    background: var(--bg);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    position: relative;
    padding: 36px 32px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    overflow: hidden;
}

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

.service-card:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}

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

.service-card.featured {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    color: white;
    border-color: transparent;
}

.service-card.featured::before { transform: scaleX(1); }

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.service-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-400);
    margin-bottom: 20px;
    font-feature-settings: "tnum";
}

.service-card.featured .service-num { color: rgba(255, 255, 255, 0.4); }

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    color: var(--primary);
    border-radius: 16px;
    margin-bottom: 24px;
}

.service-card.featured .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-2);
    margin-bottom: 24px;
    line-height: 1.7;
    font-size: 15px;
}

.service-card.featured p { color: rgba(255, 255, 255, 0.75); }

.service-features {
    list-style: none;
    margin-bottom: 28px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-2);
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.85);
}

.service-features svg {
    color: var(--primary);
    flex-shrink: 0;
}

.service-card.featured .service-features svg {
    color: #fbbf24;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.service-card.featured .service-link {
    color: #c084fc;
}

.service-link:hover { gap: 10px; }

/* ===== 为什么选择我们 ===== */
.why-us {
    padding: 100px 0;
    background: var(--gray-50);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: center;
}

.why-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.why-card {
    padding: 32px 24px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
    text-align: center;
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.why-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.why-card p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.6;
}

/* ===== 关于我们 ===== */
.about {
    padding: 100px 0;
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
    aspect-ratio: 4/5;
    max-height: 540px;
}

.about-image {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.floating-shapes .shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
}

.shape-1 { width: 200px; height: 200px; top: 10%; left: -10%; }
.shape-2 { width: 150px; height: 150px; bottom: 20%; right: -10%; background: rgba(255, 255, 255, 0.25); }
.shape-3 { width: 100px; height: 100px; top: 40%; right: 20%; background: rgba(255, 255, 255, 0.1); }

.about-stat-box {
    position: absolute;
    bottom: 30px;
    left: 30px;
    right: 30px;
    padding: 30px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.big-num {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.big-label {
    color: var(--text-2);
    font-size: 14px;
    margin-top: 8px;
}

.about-content p {
    color: var(--text-2);
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 15px;
}

.about-content strong {
    color: var(--text);
    font-weight: 600;
}

.about-features {
    display: flex;
    gap: 40px;
    margin: 32px 0;
}

.about-feature {
    display: flex;
    flex-direction: column;
}

.about-feature strong {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.about-feature span {
    font-size: 13px;
    color: var(--text-2);
    margin-top: 4px;
}

/* ===== 联系 ===== */
.contact {
    padding: 100px 0;
    background: var(--bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info .section-desc {
    margin-bottom: 40px;
    font-size: 16px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.contact-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item strong {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.5;
}

.contact-form-wrap {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition);
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea { resize: vertical; }

/* ===== 页脚 ===== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 30px;
}

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

.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-name { color: white; }
.footer-brand .logo-tagline { color: rgba(255, 255, 255, 0.4); }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }

.footer-col h4 {
    color: white;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-col a,
.footer-col p {
    display: block;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--primary); }

/* ===== 返回顶部 ===== */
.back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 99;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top:hover {
    transform: translateY(-4px);
}

/* ===== 底部版权信息 ===== */
.copyright-bar {
    margin-top: 60px;
    padding: 28px 24px;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.copyright-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    letter-spacing: 0.3px;
    line-height: 1.6;
}

.copyright-icp {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.6;
}

.copyright-icp svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.copyright-icp a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color var(--transition);
}

.copyright-icp a:hover {
    color: rgba(255, 255, 255, 0.95);
}

@media (max-width: 768px) {
    .copyright-bar {
        margin-top: 40px;
        padding: 22px 16px;
    }
    .copyright-text { font-size: 13px; }
    .copyright-icp { font-size: 12px; }
}

@media (max-width: 480px) {
    .copyright-bar { padding: 18px 14px; }
    .copyright-text { font-size: 12px; }
    .copyright-icp { font-size: 11px; }
}