/**
 * 权益数卡官网 - 主样式表
 * 毛玻璃效果 + 现代化视觉风格
 */

/* ========== 基础变量 ========== */
:root {
    --primary-color: #4A6FFF;
    --primary-dark: #3B5AE0;
    --primary-light: #6B8AFF;
    --secondary-color: #00D4AA;
    --accent-color: #FF6B6B;
    --bg-dark: #1E1E2F;
    --bg-dark-2: #2A2A3E;
    --bg-light: #F5F7FA;
    --text-dark: #1E1E2F;
    --text-light: #FFFFFF;
    --text-muted: #8B8B9E;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    outline: none;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-kicker::before,
.section-kicker::after {
    content: '';
    width: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color));
}

.section-kicker::after {
    background: linear-gradient(90deg, var(--secondary-color), transparent);
}

.glass-card {
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 24px 70px rgba(0,0,0,.22);
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(30, 30, 47, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.95rem;
    color: var(--text-light);
    opacity: 0.8;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover {
    opacity: 1;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-light);
    transition: var(--transition);
}

/* ========== Hero区域 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-vxes {
    min-height: 920px;
    background: #090d1f;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 56px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #2D1B69 50%, var(--bg-dark) 100%);
}

.hero-vxes .hero-bg {
    background:
        radial-gradient(circle at 18% 20%, rgba(74,111,255,.38) 0, transparent 34%),
        radial-gradient(circle at 82% 28%, rgba(0,212,170,.24) 0, transparent 30%),
        radial-gradient(circle at 50% 100%, rgba(88,28,135,.30) 0, transparent 38%),
        linear-gradient(135deg, #090d1f 0%, #121a3a 48%, #0b1024 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(74, 111, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 212, 170, 0.2) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(2px 2px at 50px 160px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255,255,255,0.2), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.3), transparent);
    background-size: 200px 200px;
    animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-vxes .hero-content {
    max-width: none;
    margin: 0;
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--secondary-color);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 span {
    background: linear-gradient(135deg, #7dd3fc 0%, #5eead4 45%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-vxes .hero-buttons,
.hero-vxes .hero-stats {
    justify-content: flex-start;
}

.hero-orbit {
    position: absolute;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 50%;
    pointer-events: none;
}

.hero-orbit-1 {
    width: 560px;
    height: 560px;
    right: -140px;
    top: 150px;
}

.hero-orbit-2 {
    width: 320px;
    height: 320px;
    right: 190px;
    bottom: 110px;
}

.hero-visual {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 首屏图片卡片 */
.hero-image-card {
    position: relative;
    width: 440px;
    height: 320px;
    margin: 0 auto;
}

.hero-image-card-back,
.hero-image-card-mid,
.hero-image-card-front {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 28px;
    transition: transform 0.5s ease;
}

.hero-image-card-back {
    background: linear-gradient(135deg, #e0e7ff, #d1d5ff);
    transform: rotate(-6deg) translateY(-14px);
    box-shadow: 0 24px 60px rgba(74, 111, 255, 0.12);
}

.hero-image-card-mid {
    background: linear-gradient(135deg, #f0f4ff, #e5e8ff);
    transform: rotate(-3deg) translateY(-7px);
    box-shadow: 0 16px 40px rgba(74, 111, 255, 0.08);
}

.hero-image-card-front {
    background: #ffffff;
    transform: rotate(0deg);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.12), 0 10px 30px rgba(74, 111, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    overflow: hidden;
}

.hero-image-card-front img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.hero-image-card:hover .hero-image-card-back {
    transform: rotate(-8deg) translateY(-20px);
}

.hero-image-card:hover .hero-image-card-mid {
    transform: rotate(-4deg) translateY(-12px);
}

/* 品牌卡片堆叠效果（未上传图片时的默认样式） */
.brand-card-stack {
    position: relative;
    width: 420px;
    height: 320px;
    margin: 0 auto;
}

.brand-card {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 24px;
    transition: transform 0.4s ease;
}

.brand-card-back {
    background: linear-gradient(135deg, #e8ecff 0%, #d4d9f5 100%);
    transform: rotate(-6deg) translateY(-12px);
    box-shadow: 0 20px 60px rgba(74, 111, 255, 0.15);
}

.brand-card-mid {
    background: linear-gradient(135deg, #f0f2ff 0%, #e0e4f8 100%);
    transform: rotate(-3deg) translateY(-6px);
    box-shadow: 0 15px 50px rgba(74, 111, 255, 0.12);
}

.brand-card-front {
    background: #ffffff;
    transform: rotate(0deg);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15), 0 8px 30px rgba(74, 111, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.brand-card-stack:hover .brand-card-back {
    transform: rotate(-8deg) translateY(-18px);
}

.brand-card-stack:hover .brand-card-mid {
    transform: rotate(-4deg) translateY(-10px);
}

.brand-logo-main {
    margin-bottom: 20px;
}

.brand-logo-icon {
    width: 100px;
    height: 100px;
}

.brand-text-main {
    font-size: 2.8rem;
    font-weight: 800;
    color: #1a1a2e;
    letter-spacing: -1px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #1a1a2e 0%, #4A6FFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-text-sub {
    font-size: 1rem;
    color: #6b7280;
    letter-spacing: 8px;
    font-weight: 500;
}

.platform-card,
.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    backdrop-filter: blur(22px);
    box-shadow: 0 28px 90px rgba(0,0,0,.35);
}

.platform-card-main {
    inset: 90px 54px auto auto;
    width: 360px;
    border-radius: 28px;
    padding: 28px;
    animation: floatY 6s ease-in-out infinite;
}

.platform-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    font-weight: 700;
}

.platform-card-header i {
    color: var(--secondary-color);
    font-size: 1.6rem;
}

.platform-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.platform-metrics div {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255,255,255,.08);
}

.platform-metrics strong {
    display: block;
    font-size: 1.6rem;
    color: #fff;
}

.platform-metrics span {
    color: var(--text-muted);
    font-size: .85rem;
}

.platform-progress {
    height: 10px;
    margin-top: 26px;
    border-radius: 99px;
    background: rgba(255,255,255,.08);
    overflow: hidden;
}

.platform-progress span {
    display: block;
    width: 76%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: inherit;
}

.floating-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-radius: 999px;
    font-weight: 600;
}

.floating-card i {
    color: var(--secondary-color);
}

.card-video { top: 74px; left: 28px; animation: floatY 5s ease-in-out infinite; }
.card-game { right: 0; bottom: 116px; animation: floatY 6.5s ease-in-out infinite reverse; }
.card-ticket { left: 74px; bottom: 58px; animation: floatY 7s ease-in-out infinite; }

.data-ring {
    position: absolute;
    width: 260px;
    height: 260px;
    left: 100px;
    top: 165px;
    border-radius: 50%;
    background: conic-gradient(from 160deg, rgba(74,111,255,.08), rgba(0,212,170,.55), rgba(74,111,255,.08));
    filter: blur(.2px);
    animation: spin 14s linear infinite;
}

.data-ring span {
    position: absolute;
    inset: 14px;
    border-radius: 50%;
    background: #0f1530;
}

@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    box-shadow: 0 4px 20px rgba(74, 111, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(74, 111, 255, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
}

.btn-pulse::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    transform: translate(-50%, -50%);
    animation: btnPulse 2s ease-in-out infinite;
    z-index: -1;
}

@keyframes btnPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.3; }
}

/* ========== 核心优势 ========== */
.advantages {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-2) 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.advantage-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 32px;
    backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

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

.advantage-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* ========== 解决方案 ========== */
.solutions {
    background: var(--bg-dark);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.solution-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 40px 32px;
    backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
}

.solution-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.solution-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(74, 111, 255, 0.2), rgba(0, 212, 170, 0.2));
    border: 1px solid rgba(74, 111, 255, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.solution-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.solution-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    font-weight: 500;
}

.solution-link:hover {
    color: var(--secondary-color);
    gap: 12px;
}

/* ========== 产品服务 ========== */
.products {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-2) 100%);
}

.products-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.products-tab {
    padding: 10px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
}

.products-tab.active,
.products-tab:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: var(--transition);
    color: var(--text-light);
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 22px 60px rgba(74, 111, 255, 0.18);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(74, 111, 255, 0.15), rgba(0, 212, 170, 0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-light);
}

.product-icon img {
    width: 46px;
    height: 46px;
    object-fit: contain;
}

.product-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.product-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.product-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    color: var(--primary-light);
    font-size: .9rem;
    font-weight: 600;
}

/* ========== 合作伙伴 ========== */
.partners {
    background: var(--bg-dark);
    padding: 60px 0;
}

.partners-title {
    text-align: center;
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 48px;
}

.partner-item {
    width: 120px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    transition: var(--transition);
    opacity: 0.7;
}

.partner-item:hover {
    opacity: 1;
    border-color: var(--primary-color);
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    filter: brightness(0) invert(1);
}

.partner-item span {
    color: var(--text-muted);
    font-weight: 500;
}

/* ========== 公告资讯 ========== */
.news {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-2) 100%);
}

.news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.news-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

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

.news-date {
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.news-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-card h3 a:hover {
    color: var(--primary-light);
}

.news-excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--primary-light);
    font-size: 0.9rem;
}

.news-more:hover {
    color: var(--secondary-color);
}

/* ========== 联系我们 ========== */
.contact {
    background: var(--bg-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(74, 111, 255, 0.2), rgba(0, 212, 170, 0.2));
    border: 1px solid rgba(74, 111, 255, 0.3);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

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

.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 40px;
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    background: rgba(74, 111, 255, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* ========== 页脚 ========== */
.footer {
    background: var(--bg-dark-2);
    padding: 60px 0 30px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--text-muted);
}

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

/* ========== 页面头部 ========== */
.page-header {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #2D1B69 50%, var(--bg-dark) 100%);
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(74, 111, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 212, 170, 0.15) 0%, transparent 50%);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
    position: relative;
}

.breadcrumb a:hover {
    color: var(--primary-light);
}

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

/* ========== 详情页 ========== */
.detail-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 48px;
    backdrop-filter: blur(20px);
}

.detail-content h2 {
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.detail-content p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.detail-content ul {
    margin-bottom: 20px;
    padding-left: 24px;
}

.detail-content li {
    color: var(--text-muted);
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.detail-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
}

.detail-side-card {
    position: sticky;
    top: 96px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: blur(20px);
}

.detail-side-card h3 {
    margin-bottom: 12px;
}

.detail-side-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.detail-side-card .btn + .btn {
    margin-top: 12px;
}

.product-detail-hero {
    text-align: left;
}

.product-hero-card {
    position: relative;
    display: flex;
    gap: 24px;
    align-items: center;
    max-width: 860px;
    margin: 0 auto;
    padding: 34px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    backdrop-filter: blur(20px);
}

.product-hero-icon {
    width: 96px;
    height: 96px;
    flex-shrink: 0;
    border-radius: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74,111,255,.25), rgba(0,212,170,.18));
    color: var(--secondary-color);
    font-size: 2.2rem;
}

.product-hero-icon img {
    width: 62px;
    height: 62px;
    object-fit: contain;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination a,
.pagination span {
    padding: 10px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--primary-color);
    color: var(--primary-light);
}

.pagination .current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-light);
}

.pagination .dots {
    background: transparent;
    border: none;
}

/* ========== 404页面 ========== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.error-code {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.error-page h2 {
    font-size: 1.75rem;
    margin: 24px 0 16px;
}

.error-page p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .hero-vxes .hero-content {
        text-align: center;
    }
    
    .hero-vxes .hero-buttons,
    .hero-vxes .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        min-height: 430px;
    }
    
    .detail-layout {
        grid-template-columns: 1fr;
    }
    
    .detail-side-card {
        position: static;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(30, 30, 47, 0.98);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-vxes {
        min-height: auto;
        padding-bottom: 60px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .news-list {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .detail-content {
        padding: 24px;
    }
    
    .product-hero-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }
}

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* ========== 消息提示 ========== */
.message {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.message-success {
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    color: var(--secondary-color);
}

.message-error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: var(--accent-color);
}

.message-info {
    background: rgba(74, 111, 255, 0.15);
    border: 1px solid rgba(74, 111, 255, 0.3);
    color: var(--primary-light);
}

/* ========== 加载动画 ========== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--glass-border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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