/* ========================================
   Aurora Tech Design System
   IPCloak 子业务 - 与集团风格统一
   ======================================== */

/* Google Fonts - 集团统一字体 */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

/* ========== CSS Variables ========== */
:root {
    /* 集团极光色彩系统 */
    --aurora-cyan: #06b6d4;
    --aurora-blue: #3b82f6;
    --aurora-purple: #8b5cf6;
    --aurora-pink: #ec4899;
    --aurora-green: #10b981;
    
    /* 主色调 - 与集团一致 */
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    
    /* 背景色系 */
    --bg-deep: #101b3a;
    --bg-card: rgba(255, 255, 255, 0.065);
    --bg-elevated: rgba(255, 255, 255, 0.1);
    --bg-light: rgba(255, 255, 255, 0.14);
    
    /* 文字色系 */
    --text-primary: #f8fafc;
    --text-secondary: #b8c5d8;
    --text-muted: #8fa0b8;
    
    /* 边框 */
    --border-subtle: 1px solid rgba(255, 255, 255, 0.12);
    --border-glow: 1px solid rgba(59, 130, 246, 0.3);
    
    /* 玻璃效果 */
    --glass-bg: rgba(255, 255, 255, 0.075);
    --glass-border: rgba(255, 255, 255, 0.16);
    --glass-blur: 20px;
    
    /* 渐变 */
    --gradient-aurora: linear-gradient(135deg, #06b6d4 0%, #3b82f6 25%, #8b5cf6 50%, #ec4899 75%, #06b6d4 100%);
    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-glow: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(8, 18, 45, 0.22);
    --shadow-md: 0 8px 24px rgba(8, 18, 45, 0.28);
    --shadow-lg: 0 20px 40px -15px rgba(8, 18, 45, 0.36);
    --shadow-glow: 0 0 34px rgba(59, 130, 246, 0.42);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', 'Noto Sans SC', system-ui, sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* 极光背景效果 - 与集团一致 */
    background-image:
        linear-gradient(180deg, rgba(30, 64, 175, 0.16), rgba(16, 27, 58, 0) 36%),
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(96, 165, 250, 0.36), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(139, 92, 246, 0.24), transparent),
        radial-gradient(ellipse 55% 34% at 0% 100%, rgba(6, 182, 212, 0.18), transparent);
    background-attachment: fixed;
    min-height: 100vh;
}

/* ========== 集团统一 Hero 极光效果 ========== */
.aurora-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.aurora-blob-1 {
    position: absolute;
    top: -300px;
    left: 25%;
    width: 800px;
    height: 800px;
    background: linear-gradient(to bottom right, rgba(34, 211, 238, 0.32), rgba(96, 165, 250, 0.38), transparent);
    border-radius: 50%;
    filter: blur(150px);
    animation: pulse-slow 8s ease-in-out infinite;
}

.aurora-blob-2 {
    position: absolute;
    top: 33%;
    right: -200px;
    width: 600px;
    height: 600px;
    background: linear-gradient(to bottom left, rgba(167, 139, 250, 0.3), rgba(124, 58, 237, 0.2), transparent);
    border-radius: 50%;
    filter: blur(130px);
    animation: pulse-slow 10s ease-in-out infinite;
    animation-delay: -3s;
}

.aurora-blob-3 {
    position: absolute;
    bottom: -200px;
    left: 33%;
    width: 500px;
    height: 500px;
    background: linear-gradient(to top right, rgba(59, 130, 246, 0.24), rgba(6, 182, 212, 0.16), transparent);
    border-radius: 50%;
    filter: blur(120px);
    animation: pulse-slow 12s ease-in-out infinite;
    animation-delay: -5s;
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* 网格背景 - 与集团一致 */
.grid-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.075;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
    pointer-events: none;
}

/* 脉冲状态指示器 - 与集团一致 */
.pulse-indicator {
    position: relative;
    display: flex;
    height: 8px;
    width: 8px;
}

.pulse-indicator .ping {
    position: absolute;
    display: inline-flex;
    height: 100%;
    width: 100%;
    border-radius: 50%;
    background-color: #10b981;
    opacity: 0.75;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.pulse-indicator .dot {
    position: relative;
    display: inline-flex;
    border-radius: 50%;
    height: 8px;
    width: 8px;
    background-color: #10b981;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Hero Badge - 与集团一致 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.07));
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #e5edf8;
    font-size: 14px;
    backdrop-filter: blur(8px);
    margin-bottom: 2rem;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

code, pre, .font-mono {
    font-family: 'JetBrains Mono', monospace;
}

a {
    color: var(--aurora-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--aurora-cyan);
}

/* 极光渐变文字 */
.aurora-text,
.gradient-text {
    background: var(--gradient-aurora);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: aurora-shift 8s ease infinite;
}

/* ========== Navigation ========== */
.navbar {
    background: rgba(13, 27, 62, 0.82) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(13, 27, 62, 0.95) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.navbar .navbar-nav:last-child {
    align-items: center;
    gap: 0.85rem;
}

.nav-login-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 36px;
    padding: 0.25rem 0;
    color: #60a5fa !important;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none !important;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.nav-login-link i {
    color: #60a5fa;
    font-size: 17px;
    line-height: 1;
    filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.5));
}

.nav-login-link span {
    line-height: 1;
}

.nav-login-link:hover {
    color: #93c5fd !important;
    transform: translateY(-1px);
}

/* ========== Buttons ========== */
.btn {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary,
.btn-neon {
    position: relative;
    background: var(--gradient-primary);
    color: white;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-glow);
    filter: blur(15px);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.btn-primary:hover::after {
    opacity: 0.6;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary span,
.btn-primary i {
    position: relative;
    z-index: 1;
}

.btn-outline-light {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ========== Hero Section ========== */
.hero-section,
#hero,
section:first-of-type {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 70% 60% at 58% 34%, rgba(37, 99, 235, 0.24), transparent 62%),
        radial-gradient(ellipse 48% 50% at 88% 70%, rgba(124, 58, 237, 0.2), transparent 58%),
        linear-gradient(135deg, #12244d 0%, #152b5f 42%, #1b1740 100%);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-section h1 {
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
}

body > section:not(.hero-section):not(#pricing) {
    background:
        radial-gradient(ellipse 70% 48% at 50% 0%, rgba(59, 130, 246, 0.14), transparent 62%),
        linear-gradient(180deg, #142a59 0%, #10234b 100%) !important;
    border-color: rgba(191, 219, 254, 0.12) !important;
}

body > section:not(.hero-section):not(#pricing):nth-of-type(even) {
    background:
        radial-gradient(ellipse 62% 46% at 12% 0%, rgba(6, 182, 212, 0.13), transparent 58%),
        radial-gradient(ellipse 56% 42% at 88% 100%, rgba(139, 92, 246, 0.12), transparent 58%),
        linear-gradient(180deg, #173163 0%, #112751 100%) !important;
}

.traffic-visual {
    position: relative;
    min-height: 560px;
    display: grid;
    place-items: center;
    isolation: isolate;
}

.traffic-visual::before {
    content: '';
    position: absolute;
    inset: 8% 4%;
    border-radius: 999px;
    background:
        radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.26), transparent 44%),
        radial-gradient(circle at 58% 42%, rgba(236, 72, 153, 0.2), transparent 32%),
        radial-gradient(circle at 38% 68%, rgba(249, 115, 22, 0.18), transparent 28%);
    filter: blur(28px);
    opacity: 0.9;
    z-index: -3;
}

.traffic-orbit {
    position: absolute;
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-radius: 999px;
    box-shadow: inset 0 0 32px rgba(34, 211, 238, 0.08);
    transform: rotate(-12deg);
    z-index: -2;
}

.traffic-orbit-a {
    width: 460px;
    height: 460px;
}

.traffic-orbit-b {
    width: 330px;
    height: 330px;
    border-color: rgba(249, 115, 22, 0.18);
    transform: rotate(18deg);
}

.traffic-brand-mark {
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 14px 26px;
    padding: 12px 16px;
    border: 1px solid rgba(191, 219, 254, 0.28);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(96, 165, 250, 0.08));
    box-shadow: 0 18px 42px rgba(8, 18, 45, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 4;
}

.traffic-brand-mark::before {
    content: '';
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: #22d3ee;
    box-shadow: 0 0 16px rgba(34, 211, 238, 0.95);
}

.traffic-brand-domain {
    color: #ffffff;
    font-size: 22px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0;
}

.traffic-brand-copy {
    color: #bfdbfe;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.traffic-console {
    position: relative;
    top: auto;
    right: auto;
    justify-self: end;
    width: min(280px, 48%);
    margin: 0 20px 18px 0;
    padding: 16px;
    border: 1px solid rgba(191, 219, 254, 0.3);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.76), rgba(15, 23, 42, 0.56));
    box-shadow: 0 24px 70px rgba(8, 18, 45, 0.28), 0 0 46px rgba(96, 165, 250, 0.28);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: 3;
}

.traffic-console-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.traffic-console-top strong {
    display: block;
    color: #f8fafc;
    font-size: 15px;
    line-height: 1.2;
    letter-spacing: 0;
}

.traffic-kicker {
    display: block;
    margin-bottom: 4px;
    color: #67e8f9;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
}

.traffic-status {
    flex: 0 0 auto;
    color: #bbf7d0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
}

.traffic-status i {
    color: #22c55e;
    font-size: 8px;
    filter: drop-shadow(0 0 8px rgba(34, 197, 94, 0.9));
}

.traffic-rule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: #c7d2e5;
    font-size: 13px;
}

.traffic-rule strong {
    color: #e0f2fe;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
}

.traffic-icon-grid {
    width: min(560px, 100%);
    display: grid;
    grid-template-columns: repeat(4, minmax(92px, 1fr));
    gap: 16px;
    margin-top: 0;
    perspective: 1000px;
}

.traffic-icon-card {
    position: relative;
    min-height: 108px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 10px;
    border: 1px solid rgba(191, 219, 254, 0.24);
    border-radius: 20px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.2), rgba(96, 165, 250, 0.08) 42%, rgba(30, 41, 91, 0.68)),
        radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.28), transparent 48%);
    box-shadow: 0 16px 36px rgba(8, 18, 45, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.24);
    color: #dbeafe;
    overflow: hidden;
    transform: translateZ(0);
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.traffic-icon-card:nth-child(3n + 1) {
    transform: translateY(-12px);
}

.traffic-icon-card:nth-child(3n + 2) {
    transform: translateY(10px);
}

.traffic-icon-card:nth-child(4n) {
    background:
        linear-gradient(145deg, rgba(249, 115, 22, 0.24), rgba(255, 255, 255, 0.08) 42%, rgba(30, 41, 91, 0.68)),
        radial-gradient(circle at 50% 0%, rgba(251, 146, 60, 0.32), transparent 48%);
}

.traffic-icon-card::before {
    content: '';
    position: absolute;
    inset: -45% -30% auto;
    height: 82%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
    transform: rotate(18deg);
}

.traffic-icon-card::after {
    content: '';
    position: absolute;
    inset: auto 16px 10px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.55), transparent);
}

.traffic-icon-card i {
    position: relative;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    background: radial-gradient(circle at 30% 20%, #ffffff, #93c5fd 18%, #2563eb 54%, #0f172a 100%);
    box-shadow: 0 0 28px rgba(59, 130, 246, 0.46), inset 0 1px 2px rgba(255, 255, 255, 0.6);
    color: #ffffff;
    font-size: 20px;
    text-shadow: 0 2px 8px rgba(15, 23, 42, 0.6);
}

.traffic-icon-card:nth-child(4n) i {
    background: radial-gradient(circle at 30% 20%, #fff7ed, #fdba74 22%, #f97316 58%, #1f2937 100%);
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.42), inset 0 1px 2px rgba(255, 255, 255, 0.6);
}

.traffic-icon-card span {
    position: relative;
    color: #e2e8f0;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    letter-spacing: 0;
}

.traffic-icon-card:hover {
    transform: translateY(-18px) rotateX(5deg);
    border-color: rgba(125, 211, 252, 0.45);
    box-shadow: 0 22px 54px rgba(8, 18, 45, 0.34), 0 0 42px rgba(96, 165, 250, 0.32);
}

/* ========== Glass Cards ========== */
.card,
.glass-card {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-radius: 16px !important;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.card:hover,
.glass-card:hover {
    background: var(--bg-elevated) !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--text-primary) !important;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
}

.card-text {
    color: var(--text-secondary) !important;
}

/* 极光边框卡片 */
.aurora-border {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid transparent;
    background-clip: padding-box;
}

.aurora-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.5), rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.5), rgba(236, 72, 153, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 1px;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.aurora-border:hover::before {
    opacity: 1;
}

/* ========== Service Cards ========== */
.service-card {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition-smooth);
    height: 100%;
}

.service-card:hover {
    background: var(--bg-elevated);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(59, 130, 246, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
}

.service-card h5 {
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========== Stats Section ========== */
.stats-section {
    padding: 5rem 0;
    position: relative;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-aurora);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: aurora-shift 8s ease infinite;
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* ========== Pricing Cards ========== */
.pricing-card {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.05);
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-aurora);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(59, 130, 246, 0.3);
}

.pricing-card .price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pricing-card .price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.pricing-card li {
    color: var(--text-secondary);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-card li i {
    color: var(--aurora-green);
}

/* ========== Footer ========== */
footer {
    background: rgba(8, 8, 12, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4rem 0 2rem;
}

footer h5 {
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 1.5rem;
}

footer a {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

footer a:hover {
    color: var(--aurora-blue);
}

footer p {
    color: var(--text-muted);
}

/* ========== FAQ Accordion ========== */
.accordion-item {
    background: var(--glass-bg) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-radius: 12px !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-button {
    background: transparent !important;
    color: var(--text-primary) !important;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    border: none !important;
    box-shadow: none !important;
}

.accordion-button::after {
    filter: invert(1) brightness(0.7);
}

.accordion-button:not(.collapsed) {
    background: rgba(59, 130, 246, 0.1) !important;
    color: var(--aurora-blue) !important;
}

.accordion-body {
    background: rgba(255, 255, 255, 0.02) !important;
    color: var(--text-secondary) !important;
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ========== Forms ========== */
.form-control,
.form-select {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: var(--text-primary) !important;
    border-radius: 10px;
    padding: 0.875rem 1rem;
    transition: var(--transition-smooth);
}

.form-control:focus,
.form-select:focus {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: var(--aurora-blue) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* ========== Utilities ========== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-glass {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(var(--glass-blur));
}

.border-glow {
    border: var(--border-glow) !important;
}

/* ========== Animations ========== */
@keyframes aurora-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2); opacity: 0; }
}

@keyframes scan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.float {
    animation: float 6s ease-in-out infinite;
}

.float-delayed {
    animation: float 6s ease-in-out infinite;
    animation-delay: -3s;
}

/* 扫描线效果 */
.scan-line {
    position: relative;
    overflow: hidden;
}

.scan-line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(59, 130, 246, 0.1) 50%,
        transparent 100%
    );
    animation: scan 4s linear infinite;
    pointer-events: none;
}

/* 闪烁效果 */
.shimmer {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s linear infinite;
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #0a0a10;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-glow);
}

/* ========== Selection ========== */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: #fff;
}

::-moz-selection {
    background: rgba(59, 130, 246, 0.3);
    color: #fff;
}

/* ========== Back to Top ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ========== Page Headers ========== */
.page-header,
section.bg-gradient-primary {
    background: var(--bg-deep) !important;
    padding-top: 120px;
    padding-bottom: 60px;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

/* ========== Blog Cards ========== */
.blog-post .card {
    height: 100%;
}

.blog-post .card-img-top {
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ========== Contact Page ========== */
.contact-info {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 2rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.contact-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.contact-icon i {
    color: white;
    font-size: 1.5rem;
}

/* ========== Partner Cards ========== */
.partner-card {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    height: 100%;
}

.partner-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.partner-card img {
    max-height: 60px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.partner-card:hover img {
    opacity: 1;
}

.partner-card h5 {
    color: var(--text-primary);
}

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

/* ========== Tables ========== */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: rgba(255, 255, 255, 0.06);
}

.table th {
    background: var(--glass-bg);
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    border-bottom: 2px solid rgba(59, 130, 246, 0.3);
}

.table td {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.05);
}

/* ========== Badges ========== */
.badge {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    padding: 0.4em 0.8em;
    border-radius: 6px;
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
    color: white;
}

/* ========== Alerts ========== */
.alert {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    color: var(--text-primary);
}

.alert-info { border-left: 4px solid var(--aurora-blue); }
.alert-success { border-left: 4px solid var(--aurora-green); }
.alert-warning { border-left: 4px solid #f59e0b; }
.alert-danger { border-left: 4px solid #ef4444; }

/* ========== Modals ========== */
.modal-content {
    background: rgba(15, 15, 20, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
}

.modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.modal-header .modal-title {
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.modal-header .btn-close {
    filter: invert(1);
}

.modal-body {
    color: var(--text-secondary);
}

.modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ========== Pagination ========== */
.pagination {
    gap: 0.5rem;
}

.page-link {
    background: var(--glass-bg) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    color: var(--text-secondary) !important;
    border-radius: 8px !important;
    transition: var(--transition-smooth);
}

.page-link:hover {
    background: rgba(59, 130, 246, 0.1) !important;
    border-color: var(--aurora-blue) !important;
    color: var(--aurora-blue) !important;
}

.page-item.active .page-link {
    background: var(--gradient-primary) !important;
    border-color: transparent !important;
    color: white !important;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .traffic-visual {
        min-height: 0;
        margin-top: 44px;
    }

    .traffic-console {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        margin-bottom: 18px;
    }

    .traffic-brand-mark {
        justify-self: stretch;
        justify-content: center;
        margin: 0 0 14px;
        border-radius: 18px;
        flex-wrap: wrap;
    }

    .traffic-brand-domain {
        font-size: 20px;
    }

    .traffic-brand-copy {
        font-size: 10px;
    }

    .traffic-orbit {
        display: none;
    }

    .traffic-icon-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px;
        margin-top: 0;
    }

    .traffic-icon-card {
        min-height: 94px;
        border-radius: 16px;
        padding: 12px 6px;
    }

    .traffic-icon-card:nth-child(n) {
        transform: none;
    }

    .traffic-icon-card i {
        width: 42px;
        height: 42px;
        border-radius: 13px;
        font-size: 18px;
    }

    .traffic-icon-card span {
        font-size: 12px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .pricing-card {
        padding: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}