/* ========================================
   Desun Singularity Tech — Global Styles
   参考：LTP (liquiditytech.com) 设计语言
   Dark Hero · White Content · Black Footer
   ======================================== */

/* ========================================
   Design Tokens
   ======================================== */
:root {
    --black:       #09090B;   /* 近黑背景（备用） */
    --navy:        #1E3A5F;   /* 深海军蓝：Hero / CTA Banner / Footer */
    --white:       #FFFFFF;
    --gray-50:     #F9FAFB;   /* 浅灰区块背景 */
    --gray-100:    #F3F4F6;
    --gray-200:    #E5E7EB;
    --gray-400:    #9CA3AF;
    --gray-600:    #4B5563;
    --gray-800:    #1F2937;

    --blue:        #2563EB;
    --blue-light:  #3B82F6;
    --blue-dark:   #1D4ED8;

    --text-dark:   #0A0A0F;   /* 白底上的正文 */
    --text-mid:    #374151;
    --text-soft:   #6B7280;

    --border:      #E5E7EB;
    --border-dark: rgba(255,255,255,0.08);  /* 深色背景上的分隔线 */

    /* 深色背景文本 — 语义化变量，统一对比度 */
    --text-on-dark:      rgba(255,255,255,0.92);  /* 主文本，WCAG AAA */
    --text-on-dark-mid:  rgba(255,255,255,0.70);  /* 辅助文本，WCAG AA */
    --text-on-dark-soft: rgba(255,255,255,0.50);  /* 纯装饰/版权等次要信息 */

    /* 产品线色系 */
    --color-digital:    #2563EB;  /* 数字金融 — 主蓝 */
    --color-securities: #0891B2;  /* 证券金融 — 青色，稳定规范 */
    --color-industrial: #059669;  /* 产业金融 — 绿色，增长运营 */

    --font-cn:  'PingFang TC', 'PingFang SC', 'Noto Sans TC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-en:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --nav-h:    68px;
    --max-w:    1200px;
    --pad-x:    40px;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

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

body {
    font-family: var(--font-cn);
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* 防止 i18n 翻译前闪烁：初始隐藏，等翻译完成后再显示 */
    visibility: hidden;
}
/* 翻译完成后由 lang.js 移除此类 */
body.lang-ready {
    visibility: visible;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

/* 通用淡入动效 */
.section {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.section.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .section { transition: none; opacity: 1; transform: none; }
}


/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: var(--navy);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background 0.3s ease, box-shadow 0.3s ease;
    /* 导航栏不受 body visibility:hidden 控制，避免页面切换时闪烁 */
    visibility: visible;
}

.navbar.scrolled {
    background: var(--navy);
    box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 32px;
}

.logo-text {
    font-family: var(--font-en);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--blue);
    white-space: nowrap;
}

/* SVG logo 图片样式 */
.nav-logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    transition: color 0.25s;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 语言切换按钮（导航栏内） */
.lang-dropdown {
    position: relative;
}
.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    font-family: var(--font-en);
    font-weight: 500;
    padding: 5px 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s;
    line-height: 1;
}
.lang-btn:hover {
    color: var(--white);
}
.lang-btn svg { opacity: 0.7; flex-shrink: 0; }

/* 语言下拉菜单 */
.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    min-width: 140px;
    padding: 6px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: opacity 0.15s, transform 0.15s;
    z-index: 2000;
}
.lang-dropdown-menu.open {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

/* 每个语言选项 */
.lang-option {
    display: block;
    width: 100%;
    background: none;
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    text-align: left;
    transition: background 0.15s, color 0.15s;
}
.lang-option:hover {
    background: #EFF6FF;
    color: var(--blue);
}
.lang-option.active {
    color: var(--blue);
    font-weight: 600;
}

/* 导航 CTA 按钮 */
.btn-nav {
    padding: 0 20px;
    height: 44px;
    background: var(--blue);
    color: var(--white);
    font-size: 13px;
    font-family: var(--font-cn);
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.25s;
    white-space: nowrap;
}
.btn-nav:hover { background: var(--blue-dark); }

/* 移动菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.mobile-menu-btn span {
    display: block;
    width: 22px; height: 2px;
    background: rgba(255,255,255,0.85);
    transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0; bottom: 0;
    background: var(--white);
    z-index: 999;
    padding: 40px;
}
.mobile-menu.active { display: block; }
.mobile-menu a {
    display: block;
    font-size: 24px;
    color: var(--text-dark);
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 14px;
    font-family: var(--font-cn);
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
}
.btn-primary:hover { background: var(--blue-dark); }

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.28);
}
.btn-outline-light:hover {
    border-color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.06);
}

.btn-white {
    background: var(--white);
    color: var(--blue);
    font-weight: 600;
    height: 44px;
    padding-top: 0;
    padding-bottom: 0;
}
.btn-white:hover { background: #EFF6FF; }

/* 键盘导航焦点状态 */
.btn:focus-visible,
.btn-nav:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}
.btn-outline-light:focus-visible {
    outline-color: rgba(255,255,255,0.8);
}

/* ========================================
   Section Backgrounds
   ======================================== */
.section-white { background: var(--white); }
.section-light  { background: var(--gray-50); }
.section-dark   { background: var(--navy); color: var(--white); }
.section-blue   { background: var(--blue); color: var(--white); }

/* 修复：深色/蓝色背景区块内的通用标题强制白色 */
.section-dark .section-title,
.section-blue .section-title { color: var(--white); }

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 680px;
    background: var(--navy); /* Vanta Globe 接管背景渲染 */
    overflow: hidden;
    display: flex;
    align-items: center;
    padding-bottom: 88px; /* 为底部数据条留出空间，避免内容被遮挡 */
}



/* 底部渐变遮罩，使文字更清晰 */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 220px;
    background: linear-gradient(to top, rgba(30,58,95,0.7) 0%, transparent 100%); /* 保持与 --navy 一致 */
    pointer-events: none;
}

/* Hero 单栏布局（移除右侧 Dashboard 后改为单列） */
.hero-layout {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    width: 100%;
}

.hero-content {
    flex: 0 0 auto;
    max-width: 640px;
}

/* ========================================
   Hero Dashboard 卡片
   ======================================== */
.hero-dashboard {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 340px;
    margin-left: auto;
}

.dash-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* 通用卡片 */
.dash-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 12px;
    padding: 18px 20px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.dash-card-label {
    font-size: 11px;
    color: var(--text-on-dark-mid);  /* 0.55 → 0.70，满足 WCAG AA */
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    font-family: var(--font-cn);
}

/* 主卡片：收益折线图 */
.dash-card-main {
    position: relative;
    overflow: hidden;
}

.dash-card-value {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 4px;
}

.dash-card-sub {
    font-size: 11px;
    color: var(--text-on-dark-soft);  /* 0.45 → 0.50，装饰性小字 */
    margin-bottom: 14px;
}

.dash-mini-chart {
    width: 100%;
    height: 48px;
    display: block;
}

/* 小卡片 */
.dash-card-sm { padding: 16px; }

.dash-card-value-sm {
    font-family: var(--font-en);
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 8px;
}
.dash-card-value-sm span {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.65);
}

.dash-badge {
    display: inline-block;
    font-size: 10px;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 2px 8px;
    font-family: var(--font-cn);
}
.dash-badge-up { color: #6EE7B7; background: rgba(110,231,183,0.15); }

/* 宽卡片：市场标签 */
.dash-card-wide { padding: 16px 20px; }

.dash-markets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.dash-market-tag {
    font-size: 12px;
    color: rgba(255,255,255,0.75);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 4px 12px;
    font-family: var(--font-cn);
}

.hero-tag {
    display: inline-block;
    font-size: 12px;
    color: rgba(255,255,255,0.85);
    background: transparent;
    border: 1px solid rgba(255,255,255,0.35);
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    font-family: var(--font-cn);
    padding: 5px 12px;
    border-radius: 4px;
}

.hero-title {
    font-size: clamp(44px, 6vw, 76px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255,255,255,0.75);
    font-weight: 300;
    margin-bottom: 36px;
    letter-spacing: 0.5px;
    white-space: nowrap; /* 禁止副标题换行 */
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ========================================
   数据条（位于 Hero 内部底部，绝对定位）
   ======================================== */
.data-strip {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    background: transparent;
    padding-bottom: 40px;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.data-item {
    padding: 40px 0;
    text-align: left;
}

.data-num-row {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: 4px;
    margin-bottom: 4px;
}

.data-num,
.data-num-static {
    font-family: var(--font-en);
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.data-suffix {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
}

.data-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 400;
    letter-spacing: 0.2px;
}

/* ========================================
   服务区：2列大面板 + 全宽第三面板
   ======================================== */
#services {
    background: var(--gray-50);
    padding: 64px 0;
}

/* 两列分栏 */
.service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
    margin-bottom: 24px;
}

/* 全宽第三服务 */
.service-row-full {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

/* 面板通用 */
.service-panel,
.service-panel-full {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px 40px;
    min-height: 380px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    border-left: 3px solid transparent;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
    overflow: hidden;
    position: relative;
}
.service-panel-full { flex-direction: row; align-items: center; gap: 64px; min-height: 240px; }

.service-panel:hover,
.service-panel-full:hover {
    border-left-color: var(--blue);
    box-shadow: 0 8px 24px rgba(37,99,235,0.12);
    transform: translateY(-4px);
}

/* 移除深色面板差异化，统一为白卡片 */
.service-panel-alt {
    background: var(--white);
}
/* tag 是产品主标题，保持深色；title 是辅助文案，保持浅色 */
.service-panel-alt .service-panel-tag   { color: var(--text-dark); }
.service-panel-alt .service-panel-title { color: var(--text-soft); }
.service-panel-alt .service-panel-desc  { color: var(--text-soft); }
.service-panel-alt .service-arrow-btn   { border-color: var(--border); color: var(--text-soft); }
.service-panel-alt .service-arrow-btn:hover { border-color: var(--blue); color: var(--blue); }

.service-panel-content { flex: 1; max-width: 360px; }

/* 产品名称：數字金融 / 證券金融 / 產業金融 —— 作为主要展示文案 */
.service-panel-tag {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.3px;
    text-transform: none;
    margin-bottom: 10px;
    font-family: var(--font-cn);
    line-height: 1.2;
}

/* 原标题降为辅助说明文案 */
.service-panel-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-soft);
    line-height: 1.6;
    margin-bottom: 16px;
    letter-spacing: 0;
}

.service-panel-desc {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.8;
    margin-bottom: 28px;
}

.service-arrow-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-soft);
    transition: all 0.25s;
}
.service-panel:hover .service-arrow-btn,
.service-panel-full:hover .service-arrow-btn {
    border-color: var(--blue);
    color: var(--blue);
    transform: translate(2px, -2px);
}

/* SVG 图形区域 */
.service-panel-art {
    margin-top: 32px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
}

.service-panel-art-wide {
    flex: 1;
    margin-top: 0;
    justify-content: flex-end;
}

.art-svg {
    width: 100%;
    max-width: 300px;
    height: auto;
    overflow: visible;
}

/* SVG 动画初始状态（JS 启动前防闪烁） */
.art-fill { opacity: 0; }

/* ========================================
   Platform 优势：左标题 + 右特性列表
   ======================================== */
.platform-split {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
    padding: 96px 0;
}

.platform-left {
    position: sticky;
    top: 80px;
    align-self: start;
}

.platform-eyebrow {
    font-size: 12px;
    color: var(--blue);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-family: var(--font-en);
    font-weight: 500;
}

.platform-title {
    font-size: 38px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.platform-desc {
    font-size: 15px;
    color: var(--text-soft);
    line-height: 1.8;
    margin-bottom: 32px;
}

.platform-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.platform-stat {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
}
.platform-stat:last-child { border-bottom: 1px solid var(--border); }

.platform-stat-num {
    font-family: var(--font-en);
    font-size: 22px;
    font-weight: 700;
    color: var(--blue);
}

.platform-stat-label {
    font-size: 12px;
    color: var(--text-soft);
    letter-spacing: 0.3px;
}

.platform-right {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.platform-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
}
.platform-item:first-child { border-top: 1px solid var(--border); }

.platform-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 10px;
    background: #EFF6FF;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.platform-item h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.platform-item p {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.7;
}

/* ========================================
   Products：左侧固定 + 右侧滚动布局
   ======================================== */
.product-split {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: start;
    padding: 0;
}

.product-left {
    position: sticky;
    top: 80px;
    align-self: start;
    padding: 96px 0;
}

.product-label {
    font-size: 12px;
    color: var(--blue);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-family: var(--font-en);
    font-weight: 500;
}

.product-split-title {
    font-size: 36px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 12px;
}

.product-split-tag {
    font-size: 24px;
    font-weight: 400;
    color: #374151;
    line-height: 1.4;
    margin-bottom: 16px;
}

.product-split-desc {
    font-size: 15px;
    color: #6B7280;
    line-height: 1.8;
    margin-bottom: 32px;
}

.product-split-cta {
    margin-top: 24px;
}

.product-split-cta .btn {
    background: var(--blue);
    color: var(--white);
    padding: 12.5px 28px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    display: inline-block;
    text-decoration: none;
    transition: background 0.2s ease;
}

.product-split-cta .btn:hover {
    background: #1d4ed8;
}

/* ========================================
   产品线色彩系统
   数字金融(蓝) / 证券金融(青) / 产业金融(绿)
   ======================================== */

/* 数字金融 — 沿用主蓝色，无需覆盖，但明确声明方便维护 */
#digital .product-label { color: var(--color-digital); }
#digital .product-split-cta .btn { background: var(--color-digital); }
#digital .product-split-cta .btn:hover { background: #1d4ed8; }
#digital .product-card:hover { box-shadow: 0 4px 16px rgba(37,99,235,0.15); }

/* 证券金融 — 青色 */
#securities .product-label { color: var(--color-securities); }
#securities .product-split-cta .btn { background: var(--color-securities); }
#securities .product-split-cta .btn:hover { background: #0e7490; }
#securities .product-card:hover { box-shadow: 0 4px 16px rgba(8,145,178,0.15); }

/* 产业金融 — 绿色 */
#industrial .product-label { color: var(--color-industrial); }
#industrial .product-split-cta .btn { background: var(--color-industrial); }
#industrial .product-split-cta .btn:hover { background: #047857; }
#industrial .product-card:hover { box-shadow: 0 4px 16px rgba(5,150,105,0.15); }

/* 产品导航标签：active 时跟随产品线颜色 */
.product-nav-item[href="#digital"].active    { color: var(--color-digital);    border-bottom-color: var(--color-digital); }
.product-nav-item[href="#securities"].active { color: var(--color-securities); border-bottom-color: var(--color-securities); }
.product-nav-item[href="#industrial"].active { color: var(--color-industrial); border-bottom-color: var(--color-industrial); }

.product-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 96px 0;
}

.product-right .content-heading {
    font-size: 12px;
    color: #6B7280;
    letter-spacing: 0.167em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0;
}

.product-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.product-card {
    background: var(--white);
    border-radius: 8px;
    padding: 30px 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: row;
    gap: 24px;
    align-items: flex-start;
    transition: box-shadow 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.product-card-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.product-card-icon svg {
    width: 60px;
    height: 60px;
}

.product-card-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.product-card h4 {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.2;
}

.product-card p {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.4;
}

/* ========================================
   生态矩阵：双行 Marquee
   ======================================== */
.eco-header {
    text-align: center;
    padding: 96px 0 40px;
}

.eco-title {
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.eco-subtitle {
    font-size: 15px;
    color: var(--text-soft);
    max-width: none;
    margin: 0 auto;
    white-space: nowrap; /* 桌面端保持单行 */
}

.marquee-wrapper {
    overflow: hidden;
    margin-bottom: 16px;
    /* 两侧淡出 */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    mask-image:         linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.marquee-wrapper:last-child { margin-bottom: 80px; }

.marquee-track {
    display: flex;
    gap: 12px;
    width: max-content;
    animation: marqueeScroll 32s linear infinite;
}

.marquee-reverse .marquee-track {
    animation-direction: reverse;
    animation-duration: 28s;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* 鼠标悬停暂停 */
.marquee-wrapper:hover .marquee-track { animation-play-state: paused; }

@media (prefers-reduced-motion: reduce) {
    .marquee-track { animation: none; }
}

.eco-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    background: var(--white);
    border-radius: 10px;
    min-width: 120px;
    cursor: default;
}

/* 品牌 Logo 图片 */
.eco-logo {
    width: auto;
    height: 120px;
    max-width: 140px;
    object-fit: contain;
}

/* 品牌 Logo 占位：首字母彩色圆圈 */
.eco-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en);
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0;
    flex-shrink: 0;
}

/* 各品牌色 —— 通过 data-brand 属性区分 */
.eco-placeholder[data-brand="DESUN"]     { background: #1D4ED8; }
.eco-placeholder[data-brand="奇點"]      { background: #2563EB; }
.eco-placeholder[data-brand="高盈"]      { background: #0891B2; }
.eco-placeholder[data-brand="睿信"]      { background: #0D9488; }
.eco-placeholder[data-brand="金力"]      { background: #059669; }
.eco-placeholder[data-brand="黑芝麻"]    { background: #374151; }
.eco-placeholder[data-brand="安努"]      { background: #7C3AED; }
.eco-placeholder[data-brand="傲拓"]      { background: #6D28D9; }
.eco-placeholder[data-brand="Lynxi"]     { background: #BE185D; }
.eco-placeholder[data-brand="Gene+"]     { background: #047857; }
.eco-placeholder[data-brand="立方"]      { background: #B45309; }
.eco-placeholder[data-brand="微貓"]      { background: #C2410C; }
.eco-placeholder[data-brand="鄰匯吧"]    { background: #0369A1; }
.eco-placeholder[data-brand="快啟"]      { background: #7C2D12; }
.eco-placeholder[data-brand="自行者"]    { background: #1E3A5F; }
.eco-placeholder[data-brand="谷小酒"]    { background: #92400E; }
.eco-placeholder[data-brand="Advaccine"] { background: #065F46; }
.eco-placeholder[data-brand="23mo"]      { background: #831843; }
.eco-placeholder[data-brand="琏升"]      { background: #1E40AF; }
.eco-placeholder[data-brand="DeepBlue"]  { background: #1E3A8A; }

.eco-card span {
    display: none;
}

/* ========================================
   新闻区：极简列表
   ======================================== */
.news-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 40px;
    padding: 96px 0 0;
}

.section-title {
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.news-all-link {
    font-size: 13px;
    color: var(--blue);
    font-weight: 500;
    transition: color 0.25s;
}
.news-all-link:hover { color: var(--blue-dark); }

.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 40px;
    padding-bottom: 96px;
}

.news-item {
    display: grid;
    grid-template-columns: 180px 1fr auto;
    grid-template-rows: auto auto;
    column-gap: 40px;
    row-gap: 6px;
    align-items: start;
    padding: 28px 32px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    border-left: 3px solid transparent;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.news-item:hover {
    border-left-color: var(--blue);
    box-shadow: 0 8px 24px rgba(37,99,235,0.10);
    transform: translateY(-2px);
}

.news-item-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    grid-row: span 2;
}

.news-cat {
    font-size: 11px;
    color: var(--blue);
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: var(--font-en);
}

.news-date {
    font-size: 12px;
    color: var(--text-soft);
    font-family: var(--font-en);
}

.news-item-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
    grid-column: 2;
    grid-row: 1;
}

.news-item-excerpt {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.7;
    grid-column: 2;
    grid-row: 2;
}

.news-read-more {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--blue);
    font-weight: 500;
    grid-column: 3;
    grid-row: span 2;
    align-self: center;
    white-space: nowrap;
    opacity: 0.6;
    transition: opacity 0.25s;
}
.news-item:hover .news-read-more { opacity: 1; }

/* ========================================
   CTA Banner：纯蓝
   ======================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    padding: 0;
    overflow: hidden;
}

.cta-banner-inner {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 56px var(--pad-x);
    position: relative;
}

.cta-banner-text {
    flex: 1;
}

.cta-banner-text h3 {
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.3;
}

.cta-banner-text p {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
}

.cta-art {
    position: absolute;
    right: 200px;
    top: 0;
    bottom: 0;
    height: 100%;
    width: 300px;
    pointer-events: none;
    opacity: 0.8;
}

/* ========================================
   Footer：纯黑
   ======================================== */
.footer {
    background: var(--navy);
    padding: 72px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 192px; /* 原 64px × 3，拉开 brand 与右侧列的距离 */
    padding-bottom: 56px;
    border-bottom: 1px solid var(--border-dark);
}

.footer-logo {
    display: block;
    margin-bottom: 14px;
    color: var(--white);  /* 覆盖导航栏的蓝色 Logo */
}

.footer-brand-desc {
    font-size: 13px;
    color: var(--text-on-dark-mid);  /* 0.60 → 0.70，满足 WCAG AA */
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    position: relative;  /* 作为二维码弹窗的定位基准 */
}

.footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-dark-mid);
    transition: all 0.25s;
    position: relative;
}
.footer-social a:hover {
    border-color: rgba(255,255,255,0.3);
    color: var(--white);
}

/* ===== 二维码弹窗：footer 和 contact 通用 ===== */
.qr-popup {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 0;
    transform: translateX(-50%);
    background: #fff;
    border-radius: 10px;
    padding: 12px 12px 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.04);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    z-index: 100;
}
.qr-popup.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(-2px);
}
.qr-popup::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #fff;
}
.qr-popup-img {
    display: block;
    width: 140px;
    height: 140px;
    border-radius: 6px;
}
.qr-popup-label {
    margin: 8px 0 0;
    text-align: center;
    font-size: 12px;
    color: #555;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px; /* 收紧 footer-col 间距，使右侧更紧凑 */
}

.footer-heading {
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.footer-links li {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-on-dark-mid);  /* 0.65 → 0.70，统一用变量 */
}

.footer-links a {
    transition: color 0.25s;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 12px;
    color: var(--text-on-dark-soft);  /* 版权小字，装饰性，用 soft */
}

.footer-legal {
    display: flex;
    gap: 24px;
}
.footer-legal a { transition: color 0.25s; }
.footer-legal a:hover { color: var(--white); }

/* ========================================
   子页面 Hero（products/about/news/contact）
   ======================================== */
.page-hero {
    background: var(--navy);
    padding: 96px 0 80px;
    text-align: center;
    min-height: 220px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(30,58,95,0.5) 0%, transparent 100%);
    pointer-events: none;
}
.page-hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.page-hero-title::after {
    content: '';
    display: block;
    width: 32px;
    height: 3px;
    background: var(--blue);
    margin: 14px auto 0;
    border-radius: 2px;
}
.page-hero-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    font-weight: 300;
}

/* ========================================
   Page Hero 动效背景
   ======================================== */
.page-hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

/* --- 流动线条网格（产品与服务页）--- */
.page-hero-grid {
    position: absolute;
    inset: 0;
}
.page-hero-grid::before,
.page-hero-grid::after {
    content: '';
    position: absolute;
    background: linear-gradient(90deg, rgba(59,130,246,0.15) 1px, transparent 1px),
                linear-gradient(rgba(59,130,246,0.15) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}
.page-hero-grid::before {
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
}
.page-hero-grid::after {
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background-size: 40px 40px;
    animation: gridMove 15s linear infinite reverse;
    opacity: 0.6;
}
@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* --- 浮动六边形（关于我们页）--- */
.page-hero-hexagons {
    position: absolute;
    inset: 0;
}
.page-hero-hexagon {
    position: absolute;
    width: 80px;
    height: 92px;
    background: rgba(59,130,246,0.08);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    animation: floatHex 8s ease-in-out infinite;
}
.page-hero-hexagon:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; width: 60px; height: 69px; }
.page-hero-hexagon:nth-child(2) { top: 60%; left: 5%; animation-delay: -2s; width: 100px; height: 115px; }
.page-hero-hexagon:nth-child(3) { top: 20%; right: 15%; animation-delay: -4s; width: 70px; height: 81px; }
.page-hero-hexagon:nth-child(4) { top: 70%; right: 10%; animation-delay: -1s; width: 50px; height: 58px; }
.page-hero-hexagon:nth-child(5) { top: 40%; left: 25%; animation-delay: -3s; width: 90px; height: 104px; }
@keyframes floatHex {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.6; }
    50% { transform: translateY(-20px) rotate(5deg); opacity: 1; }
}

/* --- 粒子圆点（新闻动态页）--- */
.page-hero-particles {
    position: absolute;
    inset: 0;
}
.page-hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255,255,255,0.4);
    border-radius: 50%;
    animation: particleFloat 6s ease-in-out infinite;
}
.page-hero-particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.page-hero-particle:nth-child(2) { top: 50%; left: 20%; animation-delay: -1s; width: 6px; height: 6px; }
.page-hero-particle:nth-child(3) { top: 70%; left: 8%; animation-delay: -2s; }
.page-hero-particle:nth-child(4) { top: 30%; right: 15%; animation-delay: -0.5s; width: 5px; height: 5px; }
.page-hero-particle:nth-child(5) { top: 60%; right: 25%; animation-delay: -3s; }
.page-hero-particle:nth-child(6) { top: 80%; right: 10%; animation-delay: -1.5s; width: 3px; height: 3px; }
.page-hero-particle:nth-child(7) { top: 15%; left: 40%; animation-delay: -2.5s; width: 5px; height: 5px; }
.page-hero-particle:nth-child(8) { top: 45%; left: 55%; animation-delay: -4s; }
.page-hero-particle:nth-child(9) { top: 75%; left: 45%; animation-delay: -0.8s; width: 4px; height: 4px; }
.page-hero-particle:nth-child(10) { top: 25%; right: 40%; animation-delay: -3.5s; }
@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    25% { transform: translate(10px, -15px) scale(1.2); opacity: 0.8; }
    50% { transform: translate(-5px, -25px) scale(0.8); opacity: 0.5; }
    75% { transform: translate(15px, -10px) scale(1.1); opacity: 0.7; }
}

/* --- 脉冲圆环（联系我们页）--- */
.page-hero-rings {
    position: absolute;
    inset: 0;
}
.page-hero-ring {
    position: absolute;
    right: 15%;
    top: 50%;
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 50%;
    animation: pulseRing 4s ease-out infinite;
}
.page-hero-ring:nth-child(1) { width: 200px; height: 200px; margin-top: -100px; animation-delay: 0s; }
.page-hero-ring:nth-child(2) { width: 300px; height: 300px; margin-top: -150px; animation-delay: -1s; }
.page-hero-ring:nth-child(3) { width: 400px; height: 400px; margin-top: -200px; animation-delay: -2s; }
.page-hero-ring:nth-child(4) { width: 150px; height: 150px; margin-top: -75px; animation-delay: -0.5s; border-color: rgba(255,255,255,0.1); }
.page-hero-ring:nth-child(5) { width: 250px; height: 250px; margin-top: -125px; animation-delay: -1.5s; border-color: rgba(255,255,255,0.08); }
@keyframes pulseRing {
    0% { transform: scale(0.8); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* --- 圆环中心图标 --- */
.page-hero-icon {
    position: absolute;
    right: calc(15% + 80px);
    top: 50%;
    transform: translateY(-50%);
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: rgba(255,255,255,0.75);
}
.page-hero-icon svg {
    width: 72px;
    height: 72px;
}

/* ========================================
   子页面通用样式（沿用原有结构）
   ======================================== */
.product-nav-bar {
    position: sticky;
    top: var(--nav-h);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}
.product-nav { display: flex; gap: 32px; padding: 14px 0; }
.product-nav-item {
    font-size: 14px;
    color: var(--text-soft);
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.product-nav-item:hover,
.product-nav-item.active { color: var(--text-dark); border-bottom-color: var(--blue); }

.product-label {
    font-size: 11px;
    color: var(--blue);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 10px;
    font-weight: 500;
}
.product-title { font-size: 34px; font-weight: 700; margin-bottom: 10px; }
.product-tagline { font-size: 17px; color: var(--text-mid); margin-bottom: 14px; }
.product-desc { font-size: 15px; color: var(--text-soft); max-width: 600px; line-height: 1.8; }
.product-content { padding-top: 40px; }

.service-detail-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 24px; margin-bottom: 48px; }
.service-detail-card {
    padding: 28px;
    background: var(--white);
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.25s, transform 0.25s;
    cursor: default;
}
.service-detail-card:hover {
    box-shadow: 0 6px 20px rgba(37,99,235,0.12);
    transform: translateY(-3px);
}
.service-detail-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.service-detail-card p  { font-size: 14px; color: var(--text-soft); line-height: 1.8; }

.content-heading {
    font-size: 12px; font-weight: 600; color: var(--text-soft);
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 20px;
}

.feature-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-bottom: 48px; }
.feature-num { font-size: 11px; color: var(--blue); font-weight: 600; letter-spacing: 2px; margin-bottom: 10px; }
.feature-item {
    padding: 24px;
    background: var(--white);
    border: none;
    border-radius: 8px;
    border-left: 3px solid transparent;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.2s, border-left-color 0.2s, transform 0.2s;
}
.feature-item:hover {
    border-left-color: var(--blue);
    box-shadow: 0 6px 20px rgba(37,99,235,0.12);
    transform: translateY(-2px);
}
.feature-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.feature-item p  { font-size: 13px; color: var(--text-soft); line-height: 1.7; }

.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about-intro h2 { font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.about-intro-en  { font-size: 13px; color: var(--text-soft); margin-bottom: 20px; }
.about-intro-desc { font-size: 15px; color: var(--text-soft); line-height: 2; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.highlight-item {
    padding: 24px;
    background: var(--white);
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    text-align: center;
    transition: box-shadow 0.25s, transform 0.25s;
}
.highlight-item:hover {
    box-shadow: 0 6px 20px rgba(37,99,235,0.12);
    transform: translateY(-2px);
}
.highlight-value { font-size: 22px; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.highlight-label { font-size: 12px; color: var(--text-soft); }

/* 合规区块 - 浅灰背景 + 白色卡片 */
.compliance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compliance-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.compliance-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}
.compliance-region { font-size: 24px; font-weight: 700; color: #000; margin: 0; padding: 0; border: none; }
.compliance-logo { height: 80px; object-fit: contain; }
.compliance-logo-sfc { width: 130px; }
.compliance-logo-cayman { width: 82px; }
.license-list { display: flex; flex-direction: column; gap: 13.5px; }
.license-item { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid rgba(0,0,0,0.1); }
.license-num   { font-size: 14px; font-weight: 500; color: var(--blue); white-space: nowrap; flex-shrink: 0; }
.license-scope { font-size: 13px; color: rgba(0,0,0,0.68); text-align: right; }

/* 团队区块 - 3列网格 + 大头像 */
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.team-card {
    text-align: center;
    padding: 24px;
    background: var(--white);
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.25s, transform 0.25s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.team-card:hover {
    box-shadow: 0 6px 20px rgba(37,99,235,0.12);
    transform: translateY(-2px);
}
.team-avatar {
    width: 120px; height: 120px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.team-info { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.team-name { font-size: 24px; font-weight: 600; margin-bottom: 0; }
.team-role { font-size: 18px; color: var(--blue); font-weight: 500; margin-bottom: 0; }
.team-divider { width: 100%; border: none; border-top: 1px solid rgba(0,0,0,0.1); margin: 0; }
.team-bio  { font-size: 14px; color: var(--text-soft); line-height: 1.4; text-align: center; }

/* 里程碑区块 - 卡片网格布局 */
.milestone-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.milestone-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 32px 24px;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    background: transparent;
}
.milestone-content { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.milestone-content h3 { font-size: 20px; font-weight: 600; line-height: 1.2; }
.milestone-content p  { font-size: 13px; color: var(--text-soft); line-height: 1.7; }
.milestone-date { font-size: 20px; font-weight: 600; color: var(--blue); white-space: nowrap; line-height: 1.4; }
/* 第三个里程碑单独占一行时居左 */
.milestone-card:last-child:nth-child(odd) { grid-column: 1; }

/* 保留旧 timeline 类以兼容其他页面 */
.timeline { max-width: 600px; margin: 0 auto; }
.timeline-item { display: flex; gap: 36px; padding: 28px 0; border-bottom: 1px solid var(--border); }
.timeline-date { font-size: 13px; font-weight: 600; color: var(--blue); white-space: nowrap; min-width: 76px; }
.timeline-content h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.timeline-content p  { font-size: 13px; color: var(--text-soft); line-height: 1.7; }

/* 加入我们区块 */
.careers-content { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.careers-text { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.careers-content h2 { font-size: 28px; font-weight: 600; color: var(--white); margin-bottom: 0; line-height: 1.4; }
.careers-content p  { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.4; margin-bottom: 0; }

.news-filter { display: flex; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { padding: 7px 18px; border: 1px solid var(--border); background: transparent; font-family: var(--font-cn); font-size: 13px; color: var(--text-soft); cursor: pointer; border-radius: 6px; transition: all 0.2s; }
.filter-btn:hover  { border-color: var(--blue); color: var(--blue); }
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: var(--white); }

.news-list-item { display: flex; gap: 36px; padding: 24px 28px; background: var(--white); border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); transition: box-shadow 0.25s, transform 0.25s; }
.news-list-item:hover { box-shadow: 0 6px 20px rgba(37,99,235,0.12); transform: translateY(-2px); }
.news-list-date { display: flex; flex-direction: column; align-items: center; min-width: 72px; }
.news-day   { font-size: 32px; font-weight: 700; color: var(--text-dark); line-height: 1; }
.news-month { font-size: 13px; color: var(--text-soft); margin-top: 4px; } /* 修复：从11px提升至13px */
.news-list-content { flex: 1; }
.news-category { display: inline-block; font-size: 10px; color: var(--blue); border: 1px solid var(--blue); padding: 2px 8px; margin-bottom: 10px; letter-spacing: 1px; border-radius: 3px; }
.news-list-content h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.news-list-content h3 a:hover { color: var(--blue); }
.news-list-content p  { font-size: 13px; color: var(--text-soft); line-height: 1.8; }

.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 72px; }
.contact-block { margin-bottom: 16px; padding: 24px; background: var(--white); border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); transition: box-shadow 0.25s; }
.contact-block:hover { box-shadow: 0 6px 20px rgba(37,99,235,0.12); }
.contact-block h3 { font-size: 13px; font-weight: 600; color: var(--text-soft); letter-spacing: 1px; margin-bottom: 10px; text-transform: uppercase; }
.contact-block p  { font-size: 15px; line-height: 1.8; }
.contact-block a  { color: var(--blue); }
.social-links  { display: flex; gap: 12px; flex-wrap: wrap; }
.social-link { padding: 7px 14px; border: 1px solid var(--border); font-size: 13px; border-radius: 6px; transition: all 0.2s; }
.social-link:hover { border-color: var(--blue); color: var(--blue); }

/* 联系页面：图标版社媒（contact-social 作为弹窗定位基准） */
.contact-social { position: relative; }
.contact-social > a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    transition: all 0.2s;
    padding: 0;
    font-size: 0;  /* 去掉 a 默认行高影响 */
}
.contact-social > a:hover {
    border-color: var(--blue);
    color: var(--blue);
}
.contact-form-wrapper h3 { font-size: 22px; font-weight: 600; margin-bottom: 28px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; color: var(--text-soft); font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { padding: 11px 14px; border: 1px solid var(--border); border-radius: 6px; font-family: var(--font-cn); font-size: 14px; background: var(--white); transition: border-color 0.2s; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.btn-full { width: 100%; justify-content: center; }
.product-cta { padding-top: 28px; border-top: 1px solid var(--border); padding-bottom: 0; }
.section-cta { text-align: center; margin-top: 40px; }
.btn-secondary { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn-secondary:hover { background: var(--blue); color: var(--white); }

/* ========================================
   内页通用布局间距修复
   ======================================== */

/* section-header 通用样式（about 页各区块标题容器）*/
.section-header {
    margin-bottom: 48px;
}

/* Products：各产品区块统一垂直 padding */
.product-section { padding: 0; opacity: 1; transform: none; }

/* About：各内容区块 section 级垂直 padding */
#overview   { padding: 96px 0; }
#compliance { padding: 96px 0; }
#team       { padding: 96px 0; }
#milestones { padding: 96px 0; }
#careers    { padding: 96px 0; }

/* Contact：内容区 */
.contact-layout { padding: 96px 0; }

/* News：内容区顶部/底部呼吸感 */
.news-filter { padding-top: 64px; }
#newsList    { padding-bottom: 96px; }

/* ========================================
   News：Skeleton 加载占位动画
   ======================================== */
.news-skeleton {
    display: flex;
    gap: 36px;
    padding: 24px 28px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.skeleton-date {
    min-width: 72px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}
.skeleton-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 4px;
}
.skeleton-block {
    background: var(--gray-200);
    border-radius: 4px;
    animation: skeletonPulse 1.4s ease-in-out infinite;
}
.skeleton-day   { height: 36px; width: 40px; border-radius: 4px; }
.skeleton-month { height: 13px; width: 56px; border-radius: 3px; }
.skeleton-tag   { height: 18px; width: 64px; border-radius: 3px; }
.skeleton-title { height: 20px; width: 65%; border-radius: 3px; }
.skeleton-desc  { height: 13px; width: 90%; border-radius: 3px; }
.skeleton-desc2 { height: 13px; width: 55%; border-radius: 3px; }
@keyframes skeletonPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.35; }
}

/* ========================================
   Contact：表单提交状态
   ======================================== */
.form-submit-btn.loading {
    pointer-events: none;
    opacity: 0.65;
}
.form-success-msg,
.form-error-msg {
    display: none;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    margin-top: 12px;
    line-height: 1.6;
}
.form-success-msg {
    background: #ECFDF5;
    border: 1px solid #6EE7B7;
    color: #065F46;
}
.form-error-msg {
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
}
.form-success-msg.show,
.form-error-msg.show { display: block; }

/* ========================================
   About：Careers 职位卡片
   ======================================== */
.careers-jobs {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 24px 0 32px;
}
.job-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 16px 24px;
    text-align: left;
    min-width: 190px;
    transition: background 0.2s, border-color 0.2s;
    cursor: default;
}
.job-card:hover {
    background: rgba(255,255,255,0.13);
    border-color: rgba(255,255,255,0.35);
}
.job-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}
.job-meta {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    :root { --pad-x: 32px; }
    .hero-layout          { align-items: flex-start; }
    .service-row          { grid-template-columns: 1fr; }
    .service-panel,
    .service-panel-full   { flex-direction: row; align-items: center; gap: 32px; min-height: auto; }
    .service-panel-art    { flex: 1; margin-top: 0; align-items: flex-start; }
    .platform-split       { grid-template-columns: 1fr; gap: 48px; }
    .platform-title       { position: static; }
    .platform-left        { position: static; }
    .product-split        { grid-template-columns: 1fr; gap: 48px; padding: 0; }
    .product-left         { position: static; padding: 0; }
    .footer-top           { grid-template-columns: 1fr; gap: 40px; }
    .footer-links-grid    { grid-template-columns: repeat(3,1fr); }
    .news-item            { grid-template-columns: 1fr; }
    .news-item-meta       { grid-row: auto; flex-direction: row; gap: 12px; }
    .news-item-title      { grid-column: auto; grid-row: auto; }
    .news-item-excerpt    { grid-column: auto; grid-row: auto; }
    .news-read-more       { grid-column: auto; grid-row: auto; opacity: 1; }
    .feature-grid         { grid-template-columns: repeat(2,1fr); }
    .contact-layout       { grid-template-columns: 1fr; gap: 48px; }
    .about-intro          { grid-template-columns: 1fr; gap: 40px; }
    .compliance-grid      { grid-template-columns: 1fr; }
    .compliance-card:last-child .license-list { padding-bottom: 130px; }
}

@media (max-width: 768px) {
    :root { --nav-h: 60px; --pad-x: 20px; }

    .nav-links { display: none; }
    .btn-nav   { display: none; }
    .mobile-menu-btn { display: flex; }

    /* 移动端 Hero：保持首屏，按钮全宽 */
    .hero { padding-bottom: 180px; }
    .hero-content { max-width: 100%; }
    .hero-title { letter-spacing: -0.3px; }
    .hero-subtitle { white-space: normal; }
    .hero-cta { flex-direction: column; gap: 12px; align-items: stretch; }
    .hero-cta .btn { width: 100%; justify-content: center; }

    .data-grid { grid-template-columns: 1fr 1fr; }
    .data-num, .data-num-static { font-size: 28px; }

    .service-panel,
    .service-panel-full   { padding: 40px 24px; min-height: auto; }
    .service-panel-art    { align-items: flex-start; }

    .platform-split { padding: 64px 0; }
    .product-split  { padding: 0; }
    .product-card-grid { grid-template-columns: 1fr; }

    /* 产品服务页：内容区与 tab 保持间距，tab 允许横向滚动 */
    .product-section { padding: 56px 0; }
    .product-nav { gap: 20px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .service-detail-grid { gap: 16px; margin-bottom: 28px; }
    .feature-grid { gap: 16px; margin-bottom: 28px; }

    .news-item { padding: 20px 24px; }
    .news-item:hover { transform: none; }

    .cta-art { display: none; }
    .cta-banner-inner { flex-direction: column; align-items: flex-start; gap: 24px; }

    .footer-links-grid { grid-template-columns: repeat(2,1fr); }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

    .page-hero { padding: 120px 0 60px; }
    .page-hero-title { font-size: 28px; }

    .team-grid   { grid-template-columns: repeat(2,1fr); gap: 16px; }
    .team-avatar { width: 88px; height: 88px; }
    .team-name   { font-size: 18px; }
    .team-role   { font-size: 14px; }
    .team-card   { padding: 20px 16px; gap: 12px; }
    .milestone-grid { grid-template-columns: 1fr; }
    .milestone-card { padding: 24px 20px; }
    .milestone-content h3 { font-size: 17px; }
    .milestone-date { font-size: 17px; }
    .compliance-card { padding: 28px 24px; }
    .compliance-region { font-size: 20px; }
    .compliance-logo { height: 60px; }
    .feature-grid{ grid-template-columns: 1fr; }
    .form-row    { grid-template-columns: 1fr; }
    .news-skeleton { flex-direction: column; gap: 12px; }
    .careers-jobs  { flex-direction: column; align-items: center; }

    .eco-subtitle { white-space: normal; }
    .news-item-meta { flex-direction: row; gap: 8px; align-items: center; }
    .news-list-item { flex-direction: column; gap: 12px; }
    .news-list-date { flex-direction: row; gap: 6px; align-items: baseline; }
    .timeline-item  { flex-direction: column; gap: 6px; }
}

@media (max-width: 480px) {
    /* === 全局：收紧水平内边距 === */
    :root { --pad-x: 16px; }

    /* === Hero === */
    .hero { padding-bottom: 160px; }
    .hero-title { font-size: 36px; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; justify-content: center; }

    /* === 数据条：缩小行高，避免占用过多 hero 底部空间 === */
    .data-grid { grid-template-columns: 1fr 1fr; }
    .data-item { padding: 20px 0; }
    .data-num, .data-num-static { font-size: 22px; }

    /* === 首页服务区 === */
    #services { padding: 48px 0; }
    .services-header { padding: 40px 0 24px; }
    .service-panel,
    .service-panel-full   { padding: 28px 20px; flex-direction: column; }
    .service-panel-art    { flex: none; margin-top: 20px; overflow: visible; align-items: flex-start; }

    /* === 首页生态矩阵 === */
    .eco-header { padding: 48px 0 24px; }

    /* === 首页平台优势 === */
    .platform-split { padding: 48px 0; }

    /* === 首页 CTA banner === */
    .cta-banner-inner { padding: 48px var(--pad-x); }

    /* === 首页新闻区 === */
    .news-item { padding: 16px 20px; }
    .section-header { margin-bottom: 32px; }

    /* 产品服务页相关规则已提升到 ≤768px 断点，避免重复 */

    /* === 关于我们各 section === */
    #overview, #compliance, #team, #milestones, #careers { padding: 56px 0; }
    .about-intro { gap: 32px; }
    .team-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
    .team-avatar { width: 100px; height: 100px; }
    .team-name { font-size: 20px; }
    .team-role { font-size: 16px; }
    .compliance-card { padding: 24px 20px; }
    .compliance-region { font-size: 18px; }
    .compliance-logo-sfc { width: 100px; }
    .compliance-logo { height: 50px; }
    .milestone-card { padding: 20px 16px; }
    .milestone-content h3 { font-size: 16px; }
    .milestone-date { font-size: 16px; }

    /* === 联系我们 === */
    .contact-layout { padding: 56px 0; }

    /* === 新闻动态页 === */
    .news-filter { padding-top: 40px; }
    #newsList { padding-bottom: 56px; }
    .news-list-item { padding: 16px; }
    .news-skeleton { padding: 16px; }

    /* === 子页面 Hero 顶部间距 === */
    .page-hero { padding: 96px 0 44px; }
    .page-hero-title { font-size: 22px; }
    .page-hero-subtitle { font-size: 13px; }

    /* === 通用区块标题字号 === */
    .section-title { font-size: clamp(20px, 5.5vw, 26px); }

    /* === 页脚 === */
    .footer-links-grid { grid-template-columns: 1fr; }
}

/* ========================================
   Services 板块标题
   ======================================== */
.services-header {
    padding: 64px 0 40px;
    text-align: center;
}

.services-header-title {
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.3px;
    line-height: 1.2;
    margin-bottom: 12px;
    font-family: var(--font-cn);
}

.services-header-sub {
    font-size: 15px;
    color: var(--text-soft);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto;
    font-family: var(--font-cn);
}