/* ============================================================
   逐米时代官网 — 浅色科技风全局样式
   设计理念：冰白底色 + 科技蓝渐变 + 玻璃态面板 + 精控微动画
   ============================================================ */

/* ---- CSS Variables (设计令牌) ---- */
:root {
    /* 主色系 */
    --color-primary: #0066FF;
    --color-primary-light: #3388FF;
    --color-primary-dark: #0044CC;
    --color-accent: #00C9A7;
    --color-accent-light: #33E0C2;

    /* 背景色系 */
    --bg-base: #F5F7FA;
    --bg-white: #FFFFFF;
    --bg-section-alt: #EDF1F7;
    --bg-glass: rgba(255, 255, 255, 0.65);
    --bg-glass-border: rgba(0, 102, 255, 0.12);

    /* 文字色系 */
    --text-heading: #0A1929;
    --text-body: #3D4F65;
    --text-muted: #7A8BA3;
    --text-on-primary: #FFFFFF;

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00C9A7 100%);
    --gradient-hero: linear-gradient(160deg, #E8F0FE 0%, #F5F7FA 40%, #E0F7F1 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(0, 102, 255, 0.04) 0%, rgba(0, 201, 167, 0.04) 100%);

    /* 尺寸 */
    --nav-height: 72px;
    --section-padding: 100px 0;
    --container-width: 1200px;
    --border-radius: 16px;
    --border-radius-sm: 10px;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(10, 25, 41, 0.06);
    --shadow-md: 0 8px 30px rgba(10, 25, 41, 0.08);
    --shadow-lg: 0 16px 50px rgba(10, 25, 41, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 102, 255, 0.15);

    /* 字体 */
    --font-heading: 'Sora', 'Noto Sans SC', sans-serif;
    --font-body: 'DM Sans', 'Noto Sans SC', sans-serif;
    --font-number: 'Sora', monospace;

    /* 动画 */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-normal: 0.5s;
    --duration-slow: 0.8s;
}

/* ---- 基础重置 ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-body);
    background-color: var(--bg-base);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    line-height: 1.3;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ---- 通用容器 ---- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Section 通用 ---- */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(0, 102, 255, 0.08);
    padding: 6px 20px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ---- 玻璃态卡片 ---- */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(0, 102, 255, 0.25);
}

/* ---- 按钮 ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.35s var(--ease-out-expo);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-on-primary);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 102, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid rgba(0, 102, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(0, 102, 255, 0.06);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

/* ---- 滚动出场动画 ---- */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--duration-slow) var(--ease-out-expo),
        transform var(--duration-slow) var(--ease-out-expo);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 延迟类 */
.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

.delay-5 {
    transition-delay: 0.5s;
}

.delay-6 {
    transition-delay: 0.6s;
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 70px 0;
        --container-width: 960px;
    }

    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 50px 0;
        --nav-height: 60px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-desc {
        font-size: 1rem;
    }
}

/* ============================================================
   全局AI客服
   ============================================================ */
.ai-customer-service {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    pointer-events: none;
    /* 让容器不拦截点击，只允许子元素被点击 */
}

.ai-message-bubble {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--bg-glass-border);
    padding: 10px 16px;
    border-radius: 20px 20px 4px 20px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-body);
    box-shadow: var(--shadow-md);
    transform-origin: bottom right;
    pointer-events: auto;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: bubbleAppear 0.5s var(--ease-out-expo) both, avatarFloat 4s ease-in-out infinite alternate;
}

.ai-message-bubble:hover {
    background: var(--bg-white);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.ai-avatar {
    width: 120px;
    height: 120px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    position: relative;
    transition: all 0.4s var(--ease-out-expo);
    animation: avatarFloat 4s ease-in-out infinite alternate;
}

.ai-avatar:hover {
    transform: scale(1.08) translateY(-5px);
}

.ai-svg {
    width: 100%;
    height: 100%;
    transform: translateY(2px);
    /* 稍微下沉居中 */
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

/* 内部动画 */
@keyframes avatarFloat {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-12px);
    }
}

@keyframes bubbleAppear {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes avatarHalo {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.08) rotate(180deg);
        opacity: 0.6;
    }

    100% {
        transform: scale(1) rotate(360deg);
        opacity: 0.3;
    }
}

/* AI 眼睛闪烁/动画 */
.ai-eye {
    animation: eyeBlink 4s infinite;
    transform-origin: 80px 80px;
    /* 以眼睛的大致坐标为中心 */
}

@keyframes eyeBlink {

    0%,
    94%,
    96%,
    100% {
        transform: scaleY(1);
    }

    95% {
        transform: scaleY(0.1);
    }
}

/* 核心呼吸灯 */
.core-pulse {
    animation: corePulse 2s ease-in-out infinite alternate;
    transform-origin: 100px 170px;
}

@keyframes corePulse {
    0% {
        opacity: 0.7;
        transform: scale(0.9);
    }

    100% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* 天线闪烁 */
.antenna-pulse {
    animation: antennaPulse 1s infinite alternate;
}

@keyframes antennaPulse {
    0% {
        opacity: 0.4;
        filter: brightness(1);
    }

    100% {
        opacity: 1;
        filter: brightness(1.5);
        box-shadow: 0 0 10px currentColor;
    }
}

/* 聊天对话框样式 */
.ai-chat-dialog {
    position: absolute;
    bottom: calc(100% + 15px);
    right: 0;
    width: 360px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg), 0 20px 60px rgba(0, 102, 255, 0.15);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
    overflow: hidden;
    transform-origin: bottom right;

    /* 默认隐藏状态 */
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8) translateY(20px);
    transition: all 0.4s var(--ease-out-expo);
}

.ai-chat-dialog.open {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

.ai-chat-header {
    background: var(--gradient-primary);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
}

.ai-chat-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-chat-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.ai-chat-close:hover {
    color: white;
}

.ai-chat-body {
    height: 350px;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: linear-gradient(to bottom, rgba(245, 247, 250, 0.5), transparent);
}

/* 滚动条美化 */
.ai-chat-body::-webkit-scrollbar {
    width: 6px;
}

.ai-chat-body::-webkit-scrollbar-track {
    background: transparent;
}

.ai-chat-body::-webkit-scrollbar-thumb {
    background: rgba(0, 102, 255, 0.15);
    border-radius: 10px;
}

.ai-chat-body::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 102, 255, 0.3);
}

.ai-chat-message {
    display: flex;
    gap: 12px;
    max-width: 90%;
    animation: fadeIn 0.3s ease-out forwards;
}

.ai-msg-system {
    align-self: flex-start;
}

.ai-msg-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-msg-user .msg-avatar {
    background: var(--color-primary-light);
    color: white;
}

.msg-content {
    background: white;
    padding: 12px 16px;
    border-radius: 4px 16px 16px 16px;
    font-size: 0.9rem;
    color: var(--text-body);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    line-height: 1.6;
}

.ai-msg-user .msg-content {
    background: var(--color-primary);
    color: white;
    border-radius: 16px 4px 16px 16px;
}

.ai-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
    padding-left: 44px;
    /* 对齐系统消息主体 */
    animation: fadeIn 0.5s ease-out forwards;
}

.ai-suggestion-btn {
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.15);
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-suggestion-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.ai-chat-footer {
    padding: 16px;
    border-top: 1px solid var(--bg-glass-border);
    background: white;
}

.ai-chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-base);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.ai-chat-input-wrapper:focus-within {
    border-color: rgba(0, 102, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    background: white;
}

.ai-chat-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--text-body);
    outline: none;
}

.ai-chat-send {
    background: var(--color-primary);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.ai-chat-send:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .ai-customer-service {
        right: 15px;
        bottom: 15px;
        transform: scale(0.85);
        transform-origin: bottom right;
    }

    .ai-chat-dialog {
        width: 320px;
        /* 在移动端可能需要调整相对于屏幕的位置，避免越界 */
        position: fixed;
        bottom: 90px;
        right: 15px;
    }
}


/* ============================================================
   导航栏样式 — 深色Hero背景时白色文字，滚动后切换为浅色毛玻璃
   ============================================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.4s var(--ease-out-expo);
}

/* 默认状态：在 Hero 深色背景上，文字为白色 */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: white;
    transition: color 0.4s ease;
}

.navbar-links a {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.navbar-links a:hover {
    color: white;
}

/* 滚动后：白色毛玻璃背景 + 深色文字 */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(10, 25, 41, 0.08);
}

.navbar.scrolled .navbar-brand {
    color: var(--text-heading);
}

.navbar.scrolled .navbar-links a {
    color: var(--text-body);
}

.navbar.scrolled .navbar-links a:hover {
    color: var(--color-primary);
}

.navbar-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25);
}

.brand-logo-img {
    height: 38px;
    width: auto;
    display: block;
    object-fit: contain;
    transition: filter 0.4s ease;
    /* 默认：在深色背景顶部时，通过滤镜将蓝橙色变成白色以提高对比度 */
    filter: brightness(0) invert(1);
}

.navbar.scrolled .brand-logo-img {
    /* 滚动后：在白色背景导航栏上保持 Logo 的原始色彩 */
    filter: none;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s var(--ease-out-expo);
}

.navbar-links a:hover::after {
    width: 100%;
}

.navbar-cta {
    padding: 10px 24px !important;
    font-size: 0.88rem !important;
}

/* NOTE: CTA按钮和下拉菜单触发器不需要下划线效果 */
.navbar-cta::after,
.nav-dropdown-trigger::after {
    display: none !important;
}

/* CTA按钮从边框样式变实色 */
.navbar-cta.btn-primary {
    color: white !important;
    opacity: 1 !important;
}

/* 「前往米塔空间」按钮——科技流动光效 */
.navbar-cta.btn-outline {
    position: relative;
    overflow: hidden;
    color: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid transparent !important;
    /* 隐藏原生边框 */
    background: transparent !important;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.2), inset 0 0 10px rgba(0, 102, 255, 0.1);
    z-index: 1;
}

/* 用伪元素做流动渐变内边框 */
.navbar-cta.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    /* 边框厚度 */
    background: linear-gradient(90deg, #0066FF, #00E5A0, #0066FF);
    background-size: 200% auto;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    animation: borderFlow 3s linear infinite;
    z-index: -1;
}

/* 内部动态扫光 */
.navbar-cta.btn-outline::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0) 100%);
    transform: rotate(45deg) translate(-100%, 0);
    animation: scanLight 4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    pointer-events: none;
    z-index: 0;
    display: block !important;
    /* 覆盖全局的 :after none */
}

/* 定义两种科技动效 */
@keyframes borderFlow {
    to {
        background-position: 200% center;
    }
}

@keyframes scanLight {
    0% {
        transform: rotate(45deg) translate(-100%, 0);
    }

    15% {
        transform: rotate(45deg) translate(100%, 0);
    }

    /* 扫过 */
    100% {
        transform: rotate(45deg) translate(100%, 0);
    }

    /* 停顿 */
}

.navbar-cta.btn-outline:hover {
    background: rgba(0, 102, 255, 0.1) !important;
    color: #fff !important;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.6), 0 0 40px rgba(0, 229, 160, 0.3), inset 0 0 15px rgba(0, 102, 255, 0.4);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

/* 页面滚动后在白底上的科技按钮效果调整 */
.navbar.scrolled .navbar-cta.btn-outline {
    color: var(--color-primary) !important;
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.1);
}

.navbar.scrolled .navbar-cta.btn-outline:hover {
    color: white !important;
    background: var(--gradient-primary) !important;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4), 0 0 25px rgba(0, 102, 255, 0.3);
}

/* ---- 导航栏下拉菜单 ---- */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.nav-arrow {
    font-size: 0.6rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 180px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 102, 255, 0.1);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease-out-expo);
    z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    font-size: 0.88rem !important;
    color: var(--text-body) !important;
    transition: all 0.2s ease;
}

.nav-dropdown-menu a:hover {
    background: rgba(0, 102, 255, 0.06);
    color: var(--color-primary) !important;
}

.nav-dropdown-menu a::after {
    display: none !important;
}

.nav-dropdown-menu a i {
    width: 18px;
    text-align: center;
    font-size: 1rem;
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .navbar-links {
        display: none;
    }
}


/* ============================================================
   Hero — 全屏背景图 + 居中文案（大片感沉浸式）
   ============================================================ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Hero Slide Styles */
.hero-slider {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s ease-in-out, visibility 1.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-bg-img,
.hero-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
}

.hero-bg-img,
.hero-bg-video {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide.active .hero-bg-img {
    animation: bgZoom 15s ease-out forwards;
}

@keyframes bgZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.08);
    }
}

.hero-slide .hero-badge,
.hero-slide .hero-title,
.hero-slide .hero-title-secondary,
.hero-slide .hero-subtitle,
.hero-slide .hero-actions {
    opacity: 0;
    transform: translateY(30px);
}

.hero-slide.active .hero-badge,
.hero-slide.active .hero-title,
.hero-slide.active .hero-title-secondary,
.hero-slide.active .hero-subtitle,
.hero-slide.active .hero-actions {
    animation: slideFadeUp 0.8s var(--ease-out-expo) forwards;
}

.hero-slide.active .hero-title,
.hero-slide.active .hero-title-secondary {
    animation-delay: 0.1s;
}

.hero-slide.active .hero-subtitle {
    animation-delay: 0.2s;
}

.hero-slide.active .hero-actions {
    animation-delay: 0.3s;
}

@keyframes slideFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-slider-dots {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}

.hero-dot {
    width: 32px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.5);
}

/* 深色渐变叠加层 — 确保文字可读 */
.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom,
            rgba(0, 12, 35, 0.65) 0%,
            rgba(0, 12, 35, 0.50) 40%,
            rgba(0, 12, 35, 0.70) 100%),
        linear-gradient(135deg,
            rgba(0, 102, 255, 0.15) 0%,
            transparent 60%);
}

/* 网格点缀 */
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    z-index: 1;
    animation: gridDrift 50s linear infinite;
}

@keyframes gridDrift {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(80px, 80px);
    }
}

/* 粒子装饰 */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 201, 167, 0.4);
    animation: particleDrift 15s ease-in-out infinite alternate;
}

.p-1 {
    width: 4px;
    height: 4px;
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.p-2 {
    width: 3px;
    height: 3px;
    top: 35%;
    right: 20%;
    animation-delay: -3s;
    background: rgba(0, 102, 255, 0.5);
}

.p-3 {
    width: 5px;
    height: 5px;
    bottom: 30%;
    left: 25%;
    animation-delay: -6s;
}

.p-4 {
    width: 3px;
    height: 3px;
    top: 60%;
    right: 35%;
    animation-delay: -9s;
    background: rgba(255, 255, 255, 0.3);
}

.p-5 {
    width: 4px;
    height: 4px;
    bottom: 20%;
    right: 15%;
    animation-delay: -2s;
    background: rgba(0, 102, 255, 0.4);
}

.p-6 {
    width: 3px;
    height: 3px;
    top: 45%;
    left: 55%;
    animation-delay: -7s;
}

@keyframes particleDrift {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translate(40px, -30px) scale(1.5);
        opacity: 0.3;
    }
}

/* 居中内容 */
.hero-center {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 24px;
    padding-top: calc(var(--nav-height) + 20px);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 8px 24px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(0, 201, 167, 0.2);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(0, 201, 167, 0);
    }
}

.hero-badge i {
    font-size: 0.72rem;
    color: var(--color-accent);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.3;
    color: white;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    background: linear-gradient(135deg, #00C9A7, #0099FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-secondary {
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1.2;
    color: white;
    margin-bottom: 24px;
    letter-spacing: -1px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8), 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero-title-secondary .highlight {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
    filter: none;
}

.poster-subtitle {
    font-size: 1.15rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 48px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.poster-overlay {
    background:
        radial-gradient(circle at center, transparent 0%, rgba(0, 10, 25, 0.7) 100%),
        linear-gradient(to bottom, rgba(0, 5, 15, 0.4) 0%, rgba(0, 5, 15, 0.2) 50%, rgba(0, 5, 15, 0.8) 100%);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    margin-bottom: 40px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: center;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.05rem;
}

/* 浅色描边按钮（深色背景上使用） */
.btn-outline-light {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    color: white;
    padding: 14px 36px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 32px;
    justify-content: center;
    margin-top: 44px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.7);
}

.trust-item strong {
    color: white;
    font-family: var(--font-number);
}

.trust-item i {
    color: var(--color-accent);
    font-size: 1rem;
}

/* 底部滚动提示 */
.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 5;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.78rem;
    letter-spacing: 1px;
}

.scroll-arrow {
    animation: scrollBounce 2s ease-in-out infinite;
    font-size: 0.9rem;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0.5;
    }

    50% {
        transform: translateY(8px);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-trust {
        flex-direction: column;
        gap: 12px;
    }

    .hero-actions {
        flex-direction: column;
    }
}


/* ============================================================
   DataProof — 核心数据矩阵
   ============================================================ */

.data-proof {
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

/* 对角线装饰 */
.data-proof::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.15), transparent);
}

.dp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.dp-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--border-radius);
    background: var(--bg-base);
    border: 1px solid rgba(0, 102, 255, 0.06);
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.dp-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 102, 255, 0.15);
}

/* 顶部渐变装饰条 */
.dp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dp-card:hover::before {
    opacity: 1;
}

.dp-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    border-radius: 14px;
    background: rgba(0, 102, 255, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: all 0.3s ease;
}

.dp-card:hover .dp-icon {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.dp-card.accent .dp-icon {
    background: rgba(0, 201, 167, 0.07);
    color: var(--color-accent);
}

.dp-card.accent:hover .dp-icon {
    background: linear-gradient(135deg, #00C9A7, #0066FF);
}

.dp-value {
    font-family: var(--font-number);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1;
    margin-bottom: 8px;
}

.dp-value .unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-left: 4px;
}

.dp-label {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .dp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .dp-grid {
        grid-template-columns: 1fr;
    }

    .dp-value {
        font-size: 2.2rem;
    }
}


/* ============================================================
   Solutions — 产品与解决方案（增强版：图文交替大布局）
   ============================================================ */

.solutions {
    background: var(--bg-base);
    position: relative;
}

.sol-list {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.sol-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

.sol-row.reverse {
    flex-direction: row-reverse;
}

.sol-img-side {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sol-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: 20px;
    filter: drop-shadow(0 12px 40px rgba(0, 102, 255, 0.1));
    transition: transform 0.5s var(--ease-out-expo);
}

.sol-row:hover .sol-img {
    transform: scale(1.03);
}

.sol-text-side {
    flex: 1;
}

.sol-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.sol-icon-wrap.blue {
    background: rgba(0, 102, 255, 0.08);
    color: var(--color-primary);
}

.sol-icon-wrap.green {
    background: rgba(0, 201, 167, 0.08);
    color: var(--color-accent);
}

.sol-icon-wrap.orange {
    background: rgba(255, 152, 0, 0.08);
    color: #FF9800;
}

.sol-icon-wrap.purple {
    background: rgba(124, 77, 255, 0.08);
    color: #7C4DFF;
}

.sol-text-side h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-heading);
}

.sol-desc {
    font-size: 1rem;
    color: var(--text-body);
    line-height: 1.9;
    margin-bottom: 20px;
}

.sol-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.sol-highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-heading);
}

.sol-highlight-item i {
    color: var(--color-accent);
    font-size: 0.85rem;
}

.sol-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sol-tag {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 50px;
    background: var(--bg-white);
    color: var(--text-body);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.2s ease;
}

.sol-row:hover .sol-tag {
    background: rgba(0, 102, 255, 0.05);
    border-color: rgba(0, 102, 255, 0.15);
    color: var(--color-primary);
}

@media (max-width: 768px) {

    .sol-row,
    .sol-row.reverse {
        flex-direction: column;
        gap: 32px;
    }

    .sol-img {
        max-width: 320px;
    }

    .sol-list {
        gap: 50px;
    }
}

/* ---- 解决方案板块（新版：标题+2×2卡片+截图） ---- */
.sol-block {
    margin-bottom: 48px;
}

.sol-block:last-child {
    margin-bottom: 0;
}

/* 标题栏：左侧色条 + 标题 + 副标题 */
.sol-block-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.sol-block-bar {
    width: 5px;
    height: auto;
    align-self: stretch;
    min-height: 54px;
    border-radius: 3px;
    flex-shrink: 0;
}

.sol-block-bar.blue {
    background: var(--color-primary);
}

.sol-block-bar.green {
    background: var(--color-accent);
}

.sol-block-bar.orange {
    background: #FF9800;
}

.sol-block-bar.purple {
    background: #7C4DFF;
}

.sol-block-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    /* 减小间距 */
    justify-content: center;
    /* 确保文字整体在色条旁边居中偏上，如果有富余空间的话 */
}

.sol-block-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-heading);
    margin: 0;
    line-height: 1.2;
}

.sol-block-subtitle {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.5px;
}

/* 主体：左侧卡片网格 + 右侧截图 */
.sol-block-body {
    display: flex;
    gap: 32px;
    align-items: stretch;
}

/* NOTE: 偶数方案反转——截图在左、卡片在右 */
.sol-block.reverse .sol-block-body {
    flex-direction: row-reverse;
}

.sol-text-side {
    display: flex;
    flex-direction: column;
    flex: 0 0 48%;
}

.sol-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    flex: 1;
    /* 让网格撑满文本侧剩余的高度 */
}

.sol-feature-card {
    background: var(--bg-base);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 14px;
    padding: 24px 20px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sol-feature-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 102, 255, 0.1);
    transform: translateY(-2px);
}

.sol-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin-bottom: 14px;
}

.sol-feature-icon.blue {
    background: rgba(0, 102, 255, 0.08);
    color: var(--color-primary);
}

.sol-feature-icon.green {
    background: rgba(0, 201, 167, 0.08);
    color: var(--color-accent);
}

.sol-feature-icon.orange {
    background: rgba(255, 152, 0, 0.08);
    color: #FF9800;
}

.sol-feature-icon.purple {
    background: rgba(124, 77, 255, 0.08);
    color: #7C4DFF;
}

.sol-feature-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 8px;
    line-height: 1.3;
}

.sol-feature-card p {
    font-size: 0.82rem;
    color: var(--text-body);
    line-height: 1.8;
    margin: 0;
}

/* 右侧截图区域 */
.sol-screenshot-side {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sol-screenshot {
    width: 100%;
    max-width: 520px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.5s var(--ease-out-expo);
}

.sol-block:hover .sol-screenshot {
    transform: scale(1.02);
}

/* 浮动标签 */
.sol-float-badge {
    position: absolute;
    top: 12px;
    right: -8px;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
    z-index: 2;
}

.sol-float-badge.blue {
    background: linear-gradient(135deg, var(--color-primary), #3399FF);
}

.sol-float-badge.green {
    background: linear-gradient(135deg, var(--color-accent), #00E5A0);
}

.sol-float-badge.orange {
    background: linear-gradient(135deg, #FF9800, #FFB74D);
}

.sol-float-badge.purple {
    background: linear-gradient(135deg, #7C4DFF, #B388FF);
}

/* 响应式 */
@media (max-width: 1024px) {
    .sol-block-body {
        flex-direction: column;
    }

    .sol-cards-grid {
        flex: none;
    }

    .sol-screenshot-side {
        max-width: 100%;
    }

    .sol-float-badge {
        right: 8px;
    }
}

@media (max-width: 768px) {
    .sol-block-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .sol-block-bar {
        width: 36px;
        height: 5px;
    }

    .sol-block-title {
        font-size: 1.4rem;
    }

    .sol-cards-grid {
        grid-template-columns: 1fr;
    }

    .sol-feature-card {
        padding: 20px;
    }
}

/* ============================================================
   Cases — 客户案例（真实案例 + LOGO 信任墙）
   ============================================================ */

.cases {
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.cases::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(0, 102, 255, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(0, 201, 167, 0.03) 0%, transparent 40%);
}

/* ---- 案例列表：左右交替大图+文案 ---- */
.cases-list {
    display: flex;
    flex-direction: column;
    gap: 56px;
    position: relative;
    z-index: 1;
}

.case-card {
    display: flex;
    align-items: stretch;
    gap: 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-white);
    border: 1px solid rgba(0, 102, 255, 0.06);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(0, 102, 255, 0.15);
}

.case-card.reverse {
    flex-direction: row-reverse;
}

/* 图片侧 */
.case-img-side {
    flex: 0 0 45%;
    position: relative;
    min-height: 360px;
    overflow: hidden;
}

.case-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform 0.8s var(--ease-out-expo);
}

.case-card:hover .case-bg-img {
    transform: scale(1.05);
}

.case-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(0, 20, 50, 0.15) 0%,
            rgba(0, 20, 50, 0.55) 100%);
    z-index: 1;
}

.case-brand-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.case-brand-en {
    font-family: var(--font-number);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    letter-spacing: 1px;
    line-height: 1.2;
}

.case-brand-cn {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

/* 文字侧 */
.case-text-side {
    flex: 1;
    padding: 40px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-industry-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(0, 102, 255, 0.06);
    border-radius: 50px;
    width: fit-content;
}

.case-industry-tag i {
    font-size: 0.72rem;
}

.case-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 16px;
    line-height: 1.3;
}

.case-desc {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 2;
}

/* ============================================================
   LOGO 信任墙
   ============================================================ */

.logo-wall {
    margin-top: 72px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.logo-wall-header {
    margin-bottom: 36px;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 12px;
}

.logo-wall-number {
    font-family: var(--font-number);
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.logo-wall-number .plus {
    font-size: 1.4rem;
    vertical-align: super;
}

.logo-wall-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #475569;
    letter-spacing: 1px;
    margin: 0;
}

/* 无缝循环滚动 */
.logo-scroll-wrapper {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
    margin-bottom: 16px;
}

.logo-scroll-track {
    display: flex;
    width: fit-content;
    animation: logoScroll 35s linear infinite;
}

.logo-scroll-track:hover {
    animation-play-state: paused;
}

/* 第二排反向滚动 */
.logo-scroll-wrapper.reverse .logo-scroll-track {
    animation: logoScrollReverse 35s linear infinite;
}

@keyframes logoScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes logoScrollReverse {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}

.logo-scroll-group {
    display: flex;
    gap: 16px;
    padding-right: 16px;
    flex-shrink: 0;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 26px;
    background: var(--bg-base);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-body);
    white-space: nowrap;
    transition: all 0.3s ease;
    cursor: default;
    min-width: 160px;
}

.logo-item img {
    width: 38px;
    height: 38px;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-item span {
    flex-shrink: 0;
}

.logo-item:hover {
    background: var(--bg-white);
    border-color: rgba(0, 102, 255, 0.15);
    color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.08);
    transform: translateY(-2px);
}

@media (max-width: 768px) {

    .case-card,
    .case-card.reverse {
        flex-direction: column;
    }

    .case-img-side {
        flex: none;
        min-height: 240px;
    }

    .case-text-side {
        padding: 28px 24px;
    }

    .logo-wall-header {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

    .logo-wall-number {
        font-size: 1.6rem;
    }

    .logo-wall-title {
        font-size: 1rem;
    }

    .cases-list {
        gap: 32px;
    }
}


/* ============================================================
   DataMap — 数据实力展厅 (iframe 嵌入暗色大屏)
   ============================================================ */

.data-map {
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.data-map-frame-wrap {
    position: relative;
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.1);
}

/* 顶部浏览器窗口装饰条 */
.data-map-chrome {
    background: linear-gradient(135deg, #0A1929 0%, #0D2137 100%);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chrome-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.chrome-dot.r {
    background: #FF5F57;
}

.chrome-dot.y {
    background: #FEBC2E;
}

.chrome-dot.g {
    background: #28C840;
}

.chrome-title {
    flex: 1;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
}

.data-map-iframe {
    width: 100%;
    height: 680px;
    border: none;
    display: block;
    background: #01040a;
}

@media (max-width: 1024px) {
    .data-map-iframe {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .data-map-iframe {
        height: 400px;
    }
}


/* ============================================================
   About — 关于我们
   ============================================================ */

.about {
    background: var(--bg-base);
    position: relative;
}

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

.about-left {
    position: relative;
}

.about-company-intro {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-body);
    margin-bottom: 36px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-value-card {
    padding: 20px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-white);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s var(--ease-out-expo);
}

.about-value-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
    border-color: rgba(0, 102, 255, 0.15);
}

.avc-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(0, 102, 255, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.about-value-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 6px;
}

.about-value-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 右侧：发展历程时间轴 */
.timeline {
    position: relative;
    padding-left: 32px;
}

/* 时间轴竖线 */
.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
    padding-left: 16px;
}

/* 时间节点圆点 */
.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 3px solid var(--color-primary);
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:hover::before {
    background: var(--color-primary);
    box-shadow: 0 0 12px rgba(0, 102, 255, 0.4);
}

.timeline-year {
    font-family: var(--font-number);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.timeline-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 总经理寄语 */
.ceo-quote {
    margin-top: 32px;
    padding: 28px 32px;
    border-radius: var(--border-radius);
    background: var(--bg-white);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.ceo-quote::before {
    content: '\201C';
    position: absolute;
    top: 10px;
    left: 16px;
    font-size: 3rem;
    color: rgba(0, 102, 255, 0.08);
    font-family: Georgia, serif;
    line-height: 1;
}

.ceo-quote-label {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0, 102, 255, 0.08);
}

.ceo-quote p {
    font-size: 0.88rem;
    color: var(--text-body);
    line-height: 1.9;
    font-style: normal;
    margin-bottom: 12px;
    text-indent: 2em;
}

.ceo-quote p:last-of-type {
    margin-bottom: 0;
}

.ceo-quote-closing {
    font-weight: 600;
    color: var(--text-heading) !important;
}

.ceo-name {
    margin-top: auto;
    padding-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-align: right;
    font-style: normal;
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}


/* ============================================================
   ContactForm — 弹窗模式
   ============================================================ */

/* 全屏遮罩 */
.contact-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-modal-overlay.open {
    display: flex;
    opacity: 1;
}

/* 弹窗容器 */
.contact-modal {
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 36px 40px;
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s var(--ease-out-expo);
}

.contact-modal-overlay.open .contact-modal {
    transform: translateY(0) scale(1);
}

/* 关闭按钮 */
.contact-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-base);
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.contact-modal-close:hover {
    background: rgba(255, 0, 0, 0.08);
    color: #e53e3e;
}

/* 弹窗标题 */
.contact-modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.contact-modal-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.contact-modal-header p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .contact-modal {
        padding: 24px 20px;
        max-width: 100%;
    }

    .contact-modal-header h3 {
        font-size: 1.2rem;
    }
}

/* 竖排表单样式 */
.contact-form-vertical {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form-vertical .form-col {
    width: 100%;
}

.contact-form-vertical .form-row {
    flex-direction: column;
    gap: 16px;
}

.contact {
    background: var(--bg-base);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 50%, rgba(0, 102, 255, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 90% 30%, rgba(0, 201, 167, 0.03) 0%, transparent 40%);
    z-index: 0;
}

.contact-card {
    position: relative;
    z-index: 1;
    background: var(--bg-white);
    border: 1px solid rgba(0, 102, 255, 0.08);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* 顶部价值横条 */
.contact-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
    padding: 24px 48px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.03), rgba(0, 201, 167, 0.02));
    border-bottom: 1px solid rgba(0, 102, 255, 0.06);
}

.cct-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0;
}

.cct-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 102, 255, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.cct-item strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 2px;
}

.cct-item span {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.cct-item .hotline-num {
    font-family: var(--font-number);
    font-weight: 800;
    font-size: 0.88rem;
    color: var(--color-primary);
}

.cct-divider {
    width: 1px;
    height: 36px;
    background: rgba(0, 102, 255, 0.08);
    flex-shrink: 0;
}

/* 两行表单区域 */
.contact-form-h {
    padding: 36px 40px 32px;
}

.form-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 20px;
}

.form-col {
    flex: 1;
    min-width: 0;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.form-label .required {
    color: #FF3B3B;
    margin-left: 2px;
}

.form-input {
    width: 100%;
    padding: 13px 16px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-heading);
    background: var(--bg-base);
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    transition: all 0.3s ease;
    outline: none;
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    background: var(--bg-white);
}

.form-input.error {
    border-color: #FF3B3B;
    box-shadow: 0 0 0 3px rgba(255, 59, 59, 0.1);
}

.form-error {
    font-size: 0.72rem;
    color: #FF3B3B;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 验证码行 */
.form-verify-row {
    display: flex;
    gap: 10px;
}

.form-verify-row .form-input {
    flex: 1;
}

.btn-verify {
    padding: 13px 20px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(0, 102, 255, 0.06);
    border: 1.5px solid rgba(0, 102, 255, 0.2);
    border-radius: 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.btn-verify:hover:not(:disabled) {
    background: rgba(0, 102, 255, 0.12);
    border-color: var(--color-primary);
}

.btn-verify:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 提交按钮全宽居中 */
.form-submit-row {
    margin-top: 8px;
}

.btn-submit-full {
    width: 100%;
    padding: 16px 24px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form-privacy {
    font-size: 0.73rem;
    color: var(--text-muted);
    margin-top: 14px;
    text-align: center;
    line-height: 1.5;
}

.form-privacy i {
    color: var(--color-accent);
    margin-right: 4px;
}

/* 提交成功 */
.form-success {
    text-align: center;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
}

.form-success i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.form-success h4 {
    font-size: 1.2rem;
    color: var(--text-heading);
    margin-bottom: 8px;
}

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

@media (max-width: 1024px) {
    .contact-card-top {
        flex-wrap: wrap;
        gap: 16px;
    }

    .cct-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .contact-form-h {
        padding: 24px 20px;
    }
}


/* ============================================================
   Footer — 页脚
   ============================================================ */

.footer {
    background: linear-gradient(180deg, var(--bg-base) 0%, #E8ECF2 100%);
    padding: 60px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.15), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;


}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 16px;
}

.footer-brand .brand-icon {
    width: 34px;
    height: 34px;
    background: var(--gradient-primary);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: 800;
}

.footer-brand .brand-logo-img {
    height: 34px;
    filter: none;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 380px;
}

.footer-contact-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-body);
    margin-bottom: 8px;
}

.footer-contact-row i {
    color: var(--color-primary);
    width: 18px;
    text-align: center;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 6px 0;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-icp {
    font-size: 0.82rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* ---- 页脚二维码区域 ---- */
.footer-qr-codes {
    display: flex;
    gap: 24px;
}

.footer-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-qr-item img {
    width: 120px;
    height: auto;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    background: white;
    padding: 6px;
}

.footer-qr-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ============================================================
   案例轮播组件
   ============================================================ */

.cases-carousel {
    position: relative;
    /* 取消 overflow: hidden，让箭头可以出格 */
    border-radius: var(--border-radius);
    padding: 0 60px;
    /* 留出左右空间给箭头 */
}

/* 新增的控制展示宽度的容器 */
.cases-viewport {
    overflow: hidden;
    width: 100%;
}

.cases-track {
    display: flex;
    gap: 24px;
    /* 这里固定案例之间的间距 */
    transition: transform 0.5s var(--ease-out-expo);
}

.case-slide {
    /* 一排3张：减去两个gap的宽度 / 3 */
    min-width: calc((100% - 24px * 2) / 3);
    /* 移除之前的 padding，现在依靠外层 gap */
    box-sizing: border-box;
}

.case-slide-img {
    position: relative;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.case-slide-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-slide:hover .case-slide-img img {
    transform: scale(1.05);
}

.case-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 60%);
}

.case-slide-badge {
    position: absolute;
    bottom: 12px;
    left: 14px;
    display: flex;
    flex-direction: column;
}

.case-slide-badge .case-brand-en {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: white;
    letter-spacing: 1px;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.case-slide-badge .case-brand-cn {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.8);
}

.case-slide-body {
    padding: 16px 4px 8px;
}

.case-slide-body .case-industry-tag {
    font-size: 0.75rem;
    color: var(--color-primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.case-slide-body .case-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.case-slide-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    /* NOTE: 两行截断以保持卡片等高 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 轮播箭头按钮 */
.carousel-btn {
    position: absolute;
    top: 35%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(0, 102, 255, 0.15);
    /* 增加一点边界以在白底清晰 */
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-heading);
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.carousel-prev {
    left: 0;
    /* 贴紧最外侧容器左边 */
}

.carousel-next {
    right: 0;
    /* 贴紧最外侧容器右边 */
}

/* 轮播指示器 */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px 0 8px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.15);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: var(--color-primary);
    transform: scale(1.3);
}

@media (max-width: 1024px) {
    .case-slide {
        min-width: 50%;
    }
}

@media (max-width: 768px) {
    .case-slide {
        min-width: 100%;
    }

    .footer-qr-codes {
        gap: 12px;
    }

    .footer-qr-item img {
        width: 64px;
        height: 64px;
    }
}