/* 🌟 云禾智能家政 - 赛博暗夜翡翠流光科幻设计系统 (style.css) */

/* ==================== 1. 设计系统变量与全局重置 ==================== */
:root {
    --bg-dark: #060a0f;          /* 极深太空黑底色，消除普通黑的沉闷 */
    --bg-card: rgba(10, 24, 18, 0.7); /* 磨砂玻璃霓虹边框卡片 */
    --primary: #00ffcc;          /* 赛博电光青/霓虹绿 */
    --primary-glow: rgba(0, 255, 204, 0.35);
    --secondary: #ffaa00;        /* 亮金橘黄 */
    --text-main: #f1f5f9;        /* 极客冷白 */
    --text-muted: #78909c;       /* 蓝灰色暗字 */
    --border-color: rgba(0, 255, 204, 0.15);
    --font-outfit: 'Outfit', 'Noto Sans SC', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-outfit);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ==================== 2. 3D科幻网格与流光背景 ==================== */
.glow-bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

/* 赛博朋克3D视角网格 */
.glow-bg-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(0, 255, 204, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 255, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg) translateY(-30%);
    transform-origin: top center;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% { background-position: 0 0; }
    100% { background-position: 0 500px; }
}

.glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.25;
    mix-blend-mode: screen;
    animation: floatGlow 30s infinite alternate ease-in-out;
}

.gc-1 {
    top: -10%;
    left: -10%;
    width: 55vw;
    height: 55vw;
    background: radial-gradient(circle, #00ffcc 0%, rgba(0,0,0,0) 70%);
}

.gc-2 {
    bottom: -15%;
    right: -10%;
    width: 65vw;
    height: 65vw;
    background: radial-gradient(circle, #047857 0%, rgba(0,0,0,0) 70%);
    animation-delay: -7s;
}

.gc-3 {
    top: 35%;
    left: 45%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--secondary) 0%, rgba(0,0,0,0) 75%);
    opacity: 0.1;
    animation-delay: -12s;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    50% { transform: translate(10%, 8%) scale(1.15) rotate(180deg); }
    100% { transform: translate(-6%, -6%) scale(0.9) rotate(360deg); }
}

/* ==================== 3. 导航栏 (赛博暗绿毛玻璃) ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(6, 10, 15, 0.7);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(0, 255, 204, 0.12);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.logo-text {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #ffffff 40%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 255, 204, 0.25);
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 6px 0;
    letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.join-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 26px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    text-shadow: 0 0 5px var(--primary-glow);
    box-shadow: inset 0 0 10px rgba(0, 255, 204, 0.1), 0 0 15px rgba(0, 255, 204, 0.2);
    transition: var(--transition);
}

.join-btn:hover {
    background: var(--primary);
    color: #060a0f;
    box-shadow: 0 0 25px var(--primary);
    transform: translateY(-2px);
}

/* ==================== 4. 首屏巨幕区 (Hero Section) ==================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 30px 60px 30px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    max-width: 1200px;
    width: 100%;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-badge {
    background: rgba(0, 255, 204, 0.08);
    border: 1px solid rgba(0, 255, 204, 0.3);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 4px;
    display: inline-block;
    margin-bottom: 24px;
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.1);
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.15;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-title span {
    background: linear-gradient(135deg, #ffffff 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(0, 255, 204, 0.2);
}

.hero-subtitle {
    font-size: 26px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 38px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    border: none;
    color: #060a0f;
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(0, 255, 204, 0.05);
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.1);
    transform: translateY(-2px);
}

/* 5. 纯CSS 3D全息雷达扫描二维码舱 */
.hero-qr-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 800px;
}

.hologram-radar {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 2px dashed rgba(0, 255, 204, 0.25);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 40px rgba(0, 255, 204, 0.05), inset 0 0 40px rgba(0, 255, 204, 0.05);
}

@keyframes radarRotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes radarRotationCounter {
    0% { transform: rotate(360deg); }
    100% { transform: rotate(0deg); }
}

/* 雷达内部扫描网格线1：顺时针旋转 */
.hologram-radar::before {
    content: '';
    position: absolute;
    width: 90%;
    height: 90%;
    border-radius: 50%;
    border: 1px dashed rgba(0, 255, 204, 0.18);
    animation: radarRotation 25s linear infinite;
}

/* 雷达内部扫描网格线2：逆时针旋转 */
.hologram-radar::after {
    content: '';
    position: absolute;
    width: 70%;
    height: 70%;
    border-radius: 50%;
    border: 1px dashed rgba(0, 255, 204, 0.12);
    animation: radarRotationCounter 15s linear infinite;
}

/* 立体浮动核心盒 - 二维码卡片本身绝对不倾斜和旋转，以保证手机流畅扫码 */
.hologram-core-box {
    position: absolute;
    z-index: 10;
    width: 220px;
    background: rgba(10, 24, 18, 0.95);
    border: 1px solid var(--primary);
    border-radius: 24px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 0 35px rgba(0, 255, 204, 0.25);
    animation: hoverFloat 4s ease-in-out infinite;
}

@keyframes hoverFloat {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.hologram-title {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.hologram-desc {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.hologram-qr-box {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto 12px auto;
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: 12px;
    padding: 6px;
    background: #ffffff;
}

.hologram-qr-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hologram-scanline {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 10%, var(--primary) 50%, transparent 90%);
    box-shadow: 0 0 8px var(--primary);
    animation: scanQr 2.2s infinite ease-in-out;
}

.hologram-badge {
    font-size: 9px;
    color: var(--primary);
    border: 1px solid rgba(0, 255, 204, 0.3);
    padding: 2px 10px;
    border-radius: 30px;
    background: rgba(0, 255, 204, 0.05);
    display: inline-block;
    letter-spacing: 1px;
    font-weight: bold;
}

/* ==================== 6. 通用板块样式 ==================== */
section {
    padding: 100px 30px;
    position: relative;
}

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

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

.section-tag {
    font-size: 11px;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 4px;
    display: block;
    margin-bottom: 12px;
    text-shadow: 0 0 8px var(--primary-glow);
}

.section-title {
    font-size: 38px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

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

/* ==================== 7. SaaS云生态与级联分账 ==================== */
.saas-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.flow-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    backdrop-filter: blur(20px);
}

.flow-node {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.flow-node:hover {
    border-color: var(--primary);
    background: rgba(0, 255, 204, 0.05);
    transform: scale(1.02);
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.15);
}

.flow-node.highlight {
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.12) 0%, rgba(10, 24, 18, 0.8) 100%);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.2);
}

.node-label {
    font-weight: 700;
    font-size: 16px;
    color: #ffffff;
}

.node-bili {
    font-size: 14px;
    color: var(--primary);
    font-family: monospace;
    font-weight: bold;
    text-shadow: 0 0 5px var(--primary-glow);
}

.flow-line {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, var(--primary) 0%, rgba(0, 255, 204, 0.1) 100%);
    margin: 0 auto;
    position: relative;
}

.flow-line::after {
    content: '▼';
    font-size: 8px;
    color: var(--primary);
    position: absolute;
    bottom: -4px;
    left: -4px;
}

.tech-info-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.formula {
    background: rgba(0,0,0,0.5);
    border: 1px dashed rgba(0, 255, 204, 0.3);
    padding: 16px 24px;
    border-radius: 12px;
    font-family: monospace;
    font-size: 13px;
    color: var(--secondary);
    margin-bottom: 30px;
    line-height: 1.5;
}

.tech-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tech-list li {
    position: relative;
    padding-left: 28px;
    font-size: 15px;
    color: var(--text-muted);
}

.tech-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--primary);
    font-weight: bold;
    font-size: 16px;
}

.tech-list li strong {
    color: #ffffff;
}

/* ==================== 8. 新增：四维角色核心功能矩阵 (Feature Tabs) ==================== */
.tab-container {
    margin-top: 40px;
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.tab-nav-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 12px 30px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.tab-nav-btn:hover {
    border-color: var(--primary-glow);
    color: #ffffff;
}

.tab-nav-btn.active {
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.15) 0%, rgba(0, 0, 0, 0) 100%);
    border-color: var(--primary);
    color: var(--primary);
    text-shadow: 0 0 5px var(--primary-glow);
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.1);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 25px rgba(0, 255, 204, 0.15);
}

.feature-icon-glow {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(0, 255, 204, 0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==================== 9. AI 核心智能决策板块 ==================== */
.ai-emp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.ai-emp-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 36px 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ai-emp-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(0, 255, 204, 0.15);
}

.ai-emp-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-emp-card h3::before {
    content: '✦';
    color: var(--primary);
    text-shadow: 0 0 5px var(--primary);
}

.ai-emp-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ==================== 10. 共享转单/抢单大厅 ==================== */
.hall-card-container {
    display: grid;
    grid-template-columns: 1fr 120px 1fr;
    gap: 30px;
    align-items: center;
    margin-top: 40px;
}

.chat-mock {
    background: #0f1612;
    border: 1px solid rgba(0, 255, 204, 0.1);
    border-radius: 24px;
    overflow: hidden;
    height: 320px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
}

.chat-header {
    background: #142119;
    padding: 16px 24px;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    border-bottom: 1px solid rgba(0, 255, 204, 0.15);
    text-align: center;
}

.chat-body {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.chat-bubble {
    background: rgba(0, 255, 204, 0.08);
    border-radius: 12px 12px 12px 0;
    padding: 16px;
    max-width: 85%;
    font-size: 14px;
    color: #ffffff;
    line-height: 1.6;
    border: 1px solid rgba(0, 255, 204, 0.25);
}

.wechat-text-demo {
    white-space: pre-wrap;
    min-height: 100px;
}

.ai-board-card {
    background: linear-gradient(135deg, rgba(10, 24, 18, 0.95) 0%, rgba(6, 10, 15, 0.98) 100%);
    border: 1px solid var(--primary);
    border-radius: 24px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    height: 390px;
    box-shadow: 0 15px 35px rgba(0, 255, 204, 0.2);
    display: flex;
    flex-direction: column;
}

.ai-board-header {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(0, 255, 204, 0.2);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.ai-title {
    font-weight: bold;
    font-size: 16px;
    color: #ffffff;
    letter-spacing: 1px;
}

.ai-board-body {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.field-row {
    display: flex;
    font-size: 14px;
}

.field-label {
    color: var(--text-muted);
    width: 80px;
}

.field-val {
    color: #ffffff;
    font-weight: 600;
}

.field-val.highlight {
    color: var(--secondary);
    font-size: 16px;
    font-weight: 800;
    text-shadow: 0 0 5px rgba(255, 170, 0, 0.2);
}

.ai-alert-box {
    background: rgba(255, 170, 0, 0.05);
    border: 1px solid rgba(255, 170, 0, 0.25);
    border-radius: 12px;
    padding: 12px 16px;
    margin-top: auto;
    animation: fadeInUp 0.4s ease-out;
}

.alert-header {
    font-size: 12px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 6px;
}

.alert-reason {
    font-size: 12px;
    color: #ffd8a8;
    line-height: 1.5;
}

.alert-btn {
    background: var(--secondary);
    border: none;
    color: #060a0f;
    width: 100%;
    padding: 6px 0;
    border-radius: 6px;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 8px;
    transition: var(--transition);
}

.alert-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 10px rgba(255, 170, 0, 0.35);
}

/* ==================== 11. 高标准服务画廊 ==================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.gallery-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    transition: var(--transition);
    backdrop-filter: blur(20px);
}

.gallery-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(0, 255, 204, 0.2);
}

.gallery-img-wrapper {
    height: 200px;
    overflow: hidden;
}

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

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

.gallery-info {
    padding: 24px;
}

.gallery-info h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ffffff;
}

.gallery-info p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    height: 60px;
    overflow: hidden;
}

.price-tag {
    font-size: 16px;
    font-weight: 800;
    color: var(--primary);
}

/* ==================== 12. 八步标准工序时间轴 ==================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary) 0%, rgba(0, 255, 204, 0.15) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.time-num {
    position: absolute;
    left: -52px;
    top: -2px;
    width: 26px;
    height: 26px;
    background: var(--bg-dark);
    border: 2px solid var(--primary);
    border-radius: 50%;
    color: var(--primary);
    font-size: 11px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 8px rgba(0, 255, 204, 0.3);
    z-index: 2;
}

.time-content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 20px 24px;
    transition: var(--transition);
}

.time-content:hover {
    background: rgba(0, 255, 204, 0.02);
    border-color: var(--primary);
    transform: translateX(5px);
}

.time-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.time-content p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==================== 13. 四大服务承诺 ==================== */
.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.promise-card-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.promise-card-item:hover {
    transform: scale(1.03);
    border-color: var(--secondary);
    box-shadow: 0 15px 35px rgba(255, 170, 0, 0.15);
}

.p-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.promise-card-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.promise-card-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==================== 14. 页脚 (Footer) ==================== */
.footer {
    background: #05080c;
    border-top: 1px solid var(--border-color);
    padding: 80px 30px 40px 30px;
    color: #e2e8f0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #ffffff;
}

.footer-brand p {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.8;
}

.footer-contact h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.footer-contact p {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 10px;
}

.footer-qr {
    text-align: right;
}

.footer-qr h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.footer-qr-img {
    width: 90px;
    height: 90px;
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 204, 0.2);
    background: #ffffff;
    padding: 4px;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(0, 255, 204, 0.1);
}

.footer-qr-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    display: block;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: #64748b;
}

.footer-bottom a {
    color: #64748b;
    text-decoration: none;
    margin-left: 10px;
}

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

/* ==================== 15. 模态框与加盟表单 ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.85);
    backdrop-filter: blur(12px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: #081014;
    border: 1px solid var(--primary);
    padding: 40px;
    border-radius: 28px;
    max-width: 450px;
    width: 100%;
    position: relative;
    box-shadow: 0 0 45px rgba(0, 255, 204, 0.35);
    animation: modalSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.close-modal {
    position: absolute;
    right: 24px;
    top: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.close-modal:hover {
    color: #ffffff;
}

.modal h3 {
    font-size: 22px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
    text-align: center;
}

.modal p {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 30px;
}

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

.input-group input,
.input-group select {
    width: 100%;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    color: #ffffff;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.input-group select option {
    background-color: #081014;
    color: #ffffff;
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--primary);
    background: rgba(0, 255, 204, 0.05);
    box-shadow: 0 0 12px rgba(0, 255, 204, 0.25);
}

.submit-btn {
    width: 100%;
    padding: 14px 0;
    background: var(--primary);
    border: none;
    color: #060a0f;
    font-weight: bold;
    border-radius: 12px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.submit-btn:hover {
    box-shadow: 0 0 20px var(--primary);
}

.submit-res {
    text-align: center;
    font-size: 14px;
    color: var(--primary);
    margin-top: 20px;
}

/* ==================== 16. 响应式适配 ==================== */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-content { text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-title { font-size: 46px; }
    .hero-subtitle { font-size: 20px; }
    .saas-grid { grid-template-columns: 1fr; gap: 40px; }
    .hall-card-container { grid-template-columns: 1fr; gap: 20px; }
    .arrow-indicator { transform: rotate(90deg); margin: 10px 0; }
    @keyframes slideArrow {
        0% { transform: translateY(-5px) rotate(90deg); opacity: 0.5; }
        50% { transform: translateY(5px) rotate(90deg); opacity: 1; }
        100% { transform: translateY(-5px) rotate(90deg); opacity: 0.5; }
    }
    .footer-top { grid-template-columns: 1fr; gap: 40px; }
    .footer-qr { text-align: center; } /* 移动端页脚二维码居中 */
    .tab-nav { flex-wrap: wrap; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-actions { flex-direction: column; gap: 15px; }
    .hero-actions .btn { width: 100%; }
    .section-title { font-size: 30px; }
    section { padding: 60px 20px; }

    /* 🌟 移动端雷达二维码等比缩小，防止超出屏幕导致页面左右滑动 */
    .hologram-radar {
        width: 260px;
        height: 260px;
        margin: 0 auto;
    }
    .hologram-core-box {
        width: 190px;
        padding: 16px;
    }
    .hologram-qr-box {
        width: 110px;
        height: 110px;
        margin: 0 auto 8px auto;
    }
    .hologram-title {
        font-size: 13px;
    }
    .hologram-desc {
        font-size: 10px;
        margin-bottom: 12px;
    }
}