/* ============================================
   东莞市我忙科技有限公司 — 官网
   品牌色：#667eea → #764ba2（紫色渐变） + #FF6347（番茄红）
   ============================================ */

/* ---------- 设计令牌 ---------- */
:root {
    --c-primary: #667eea;
    --c-primary-dark: #764ba2;
    --c-accent: #FF6347;
    --c-accent-soft: #ff8a72;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #FF6347 0%, #ff8a72 100%);
    --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

    --c-text: #2c2c3e;
    --c-text-soft: #5a5a6e;
    --c-text-muted: #9a9aae;
    --c-bg: #ffffff;
    --c-bg-soft: #f8f9ff;
    --c-bg-mute: #f1f3fc;
    --c-border: #e8eaf3;

    --shadow-sm: 0 2px 8px rgba(102, 126, 234, 0.08);
    --shadow-md: 0 8px 24px rgba(102, 126, 234, 0.12);
    --shadow-lg: 0 16px 48px rgba(102, 126, 234, 0.16);
    --shadow-xl: 0 32px 80px rgba(102, 126, 234, 0.20);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --header-h: 72px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + var(--safe-top));
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
                 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue',
                 Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* 移动端菜单展开时锁定背景滚动，避免渲染残影 */
body.menu-open { overflow: hidden; touch-action: none; }
code { font-family: 'JetBrains Mono', 'Fira Code', Menlo, Consolas, monospace; }

/* ---------- 通用容器 ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--c-bg-mute);
    color: var(--c-primary);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-tag.light {
    background: rgba(255,255,255,0.18);
    color: #fff;
    backdrop-filter: blur(8px);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc {
    font-size: 18px;
    color: var(--c-text-soft);
    line-height: 1.7;
}

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

.white-highlight {
    background: linear-gradient(180deg, transparent 60%, rgba(255,255,255,0.3) 60%);
    padding: 0 4px;
}

/* ---------- 导航栏 ---------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding-top: var(--safe-top);            /* 适配刘海屏/状态栏 */
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

/* 首页（hero 区为浅色渐变）默认 navbar 透明，融入 hero 背景 */
body[data-page="home"] .navbar:not(.scrolled) {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: transparent;
    box-shadow: none;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    border-bottom-color: var(--c-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--c-text);
}

.nav-logo img {
    height: 36px;
    width: auto;
    max-width: 48px;
    object-fit: contain;
    border-radius: 8px;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--c-text-soft);
    padding: 8px 0;
    transition: color 0.2s;
}

.nav-link:hover { color: var(--c-primary); }

.nav-link.active {
    color: var(--c-primary);
    font-weight: 600;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    transition: width 0.25s ease;
    border-radius: 2px;
}

.nav-link.active::after,
.nav-link:hover::after { width: 24px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: all 0.25s;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    padding: calc(var(--header-h) + var(--safe-top) + 60px) 0 80px;
    background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
    animation: floatShape 18s ease-in-out infinite;
}

.shape-1 {
    width: 480px; height: 480px;
    top: -100px; left: -120px;
    background: var(--gradient-primary);
}
.shape-2 {
    width: 380px; height: 380px;
    top: 20%; right: -100px;
    background: var(--gradient-warm);
    animation-delay: -6s;
}
.shape-3 {
    width: 300px; height: 300px;
    bottom: -100px; left: 30%;
    background: var(--gradient-cool);
    animation-delay: -12s;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0,0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.06); }
}

.hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeUp 0.8s ease both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(102,126,234,0.10);
    color: var(--c-primary-dark);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulseDot 1.6s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
    50% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}

.hero-title {
    font-size: clamp(38px, 5.6vw, 64px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.75;
    color: var(--c-text-soft);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(102,126,234,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(102,126,234,0.45);
}

.btn-secondary {
    background: #fff;
    color: var(--c-text);
    border: 2px solid var(--c-border);
}

.btn-secondary:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}

.stat-label {
    font-size: 14px;
    color: var(--c-text-muted);
    margin-top: 4px;
}

/* Hero 手机展示 */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeUp 0.8s 0.15s ease both;
}

.phone-mockup {
    position: relative;
    width: 280px;
    aspect-ratio: 9 / 19;
    perspective: 1500px;
}

.phone-frame {
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 36px;
    padding: 8px;
    box-shadow:
        0 30px 60px rgba(102,126,234,0.20),
        0 18px 32px rgba(0,0,0,0.18),
        inset 0 0 0 2px rgba(255,255,255,0.08);
    transform: rotate(-3deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover .phone-frame {
    transform: rotate(0deg) translateY(-6px);
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 22px;
    background: #16213e;
    border-radius: 0 0 12px 12px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
    background: var(--c-bg-soft);
}

.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: floatCard 4s ease-in-out infinite;
    z-index: 3;
}

.floating-card .card-icon {
    font-size: 24px;
}

.floating-card .card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--c-text);
}

.floating-card .card-desc {
    font-size: 12px;
    color: var(--c-text-muted);
}

.card-1 { top: 14%; left: -20%; animation-delay: 0s; }
.card-2 { top: 40%; right: -22%; animation-delay: -1.5s; }
.card-3 { bottom: 18%; left: -16%; animation-delay: -3s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--c-text-muted);
    pointer-events: none;
    animation: fadeUp 1s 0.6s ease both;
}

.scroll-arrow {
    width: 18px;
    height: 18px;
    border-right: 2px solid var(--c-text-muted);
    border-bottom: 2px solid var(--c-text-muted);
    transform: rotate(45deg);
    animation: bounceDown 1.6s ease-in-out infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.4; }
    50% { transform: rotate(45deg) translate(4px, 4px); opacity: 1; }
}

/* ---------- 子页 Hero ---------- */
.sub-hero {
    position: relative;
    padding: calc(var(--header-h) + var(--safe-top) + 70px) 0 80px;
    background: var(--gradient-primary);
    color: #fff;
    overflow: hidden;
    text-align: center;
}

.sub-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,99,71,0.18) 0%, transparent 50%);
    pointer-events: none;
}

.sub-hero .container {
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 24px;
    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 100px;
    padding: 6px 16px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.85);
    transition: color 0.2s;
}

.breadcrumb a:hover { color: #fff; text-decoration: underline; }

.breadcrumb-sep {
    color: rgba(255,255,255,0.5);
    font-weight: 600;
}

.sub-hero-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.sub-hero-title {
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.sub-hero-desc {
    font-size: 17px;
    line-height: 1.75;
    max-width: 720px;
    margin: 0 auto;
    opacity: 0.92;
}

/* ---------- 探索卡片网格（首页 CTA） ---------- */
.explore-section { background: var(--c-bg-soft); }

.explore-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.explore-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: left;
    border: 2px solid var(--c-border);
    transition: all 0.35s ease;
    overflow: hidden;
    color: var(--c-text);
}

.explore-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.explore-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.explore-product::before     { background: linear-gradient(90deg, #667eea, #764ba2); }
.explore-features::before    { background: linear-gradient(90deg, #FF6347, #ff8a72); }
.explore-qualifications::before { background: linear-gradient(90deg, #faad14, #d48806); }
.explore-about::before       { background: linear-gradient(90deg, #4facfe, #00f2fe); }
.explore-team::before        { background: linear-gradient(90deg, #fa709a, #fee140); }
.explore-contact::before     { background: linear-gradient(90deg, #6db33f, #48a32a); }

.explore-icon {
    width: 56px;
    height: 56px;
    background: var(--c-bg-mute);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    transition: transform 0.3s, background 0.3s;
}

.explore-card:hover .explore-icon {
    transform: scale(1.08) rotate(-4deg);
}

.explore-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.explore-card p {
    font-size: 14px;
    color: var(--c-text-soft);
    line-height: 1.7;
    margin-bottom: 20px;
}

.explore-link {
    display: inline-block;
    color: var(--c-primary);
    font-size: 14px;
    font-weight: 700;
    transition: transform 0.2s, color 0.2s;
}

.explore-card:hover .explore-link {
    transform: translateX(4px);
    color: var(--c-accent);
}

/* ---------- 上下页导航 ---------- */
.page-nav-section {
    padding: 30px 0 80px;
    background: var(--c-bg-soft);
}

.page-nav {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    flex-wrap: wrap;
}

.page-nav-link {
    flex: 1;
    min-width: 240px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    color: var(--c-text);
    transition: all 0.25s ease;
}

.page-nav-link.next {
    flex-direction: row;
    text-align: right;
    justify-content: flex-end;
}

.page-nav-link.prev {
    text-align: left;
}

.page-nav-link:hover {
    border-color: var(--c-primary);
    background: var(--c-bg-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.page-nav-arrow {
    font-size: 22px;
    color: var(--c-primary);
    font-weight: 700;
    transition: transform 0.25s;
}

.page-nav-link.prev:hover .page-nav-arrow {
    transform: translateX(-4px);
}

.page-nav-link.next:hover .page-nav-arrow {
    transform: translateX(4px);
}

.page-nav-label {
    font-size: 12px;
    color: var(--c-text-muted);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.page-nav-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-text);
}

.page-nav-link:hover .page-nav-title {
    color: var(--c-primary);
}

/* ---------- 产品介绍 ---------- */
.product-section { background: var(--c-bg-soft); }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102,126,234,0.18);
}

.product-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-bg-mute);
    border-radius: var(--radius-md);
    font-size: 28px;
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.product-card:hover .product-icon {
    transform: scale(1.1) rotate(-4deg);
}

.product-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-card p {
    font-size: 15px;
    color: var(--c-text-soft);
    line-height: 1.7;
}

/* ---------- 核心特色 ---------- */
.features-section {
    background: #fff;
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.10;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    position: relative;
}

.feature-item {
    background: var(--c-bg-soft);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all 0.3s ease;
    border-left: 4px solid var(--c-primary);
}

.feature-item:hover {
    background: #fff;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-left-color: var(--c-accent);
}

.feature-num {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -2px;
}

.feature-item:hover .feature-num {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.feature-item h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-item p {
    font-size: 15px;
    color: var(--c-text-soft);
    line-height: 1.75;
}

/* ---------- 二维码区 ---------- */
.qrcode-section {
    background: var(--c-bg-soft);
    padding: 80px 0;
}

.qrcode-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 64px;
    color: #fff;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.qrcode-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.qrcode-content { position: relative; }

.qrcode-content h2 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    margin: 16px 0;
}

.qrcode-content > p {
    font-size: 17px;
    opacity: 0.9;
    line-height: 1.7;
    margin-bottom: 28px;
}

.qrcode-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}

.qrcode-features li {
    font-size: 15px;
    opacity: 0.95;
}

.qrcode-visual {
    text-align: center;
    position: relative;
}

.qrcode-frame {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 16px;
    display: inline-block;
    box-shadow: 0 24px 48px rgba(0,0,0,0.18);
    transform: rotate(2deg);
    transition: transform 0.4s ease;
}

.qrcode-frame:hover { transform: rotate(0deg) scale(1.04); }

.qrcode-frame img {
    display: block;
    width: 260px;
    height: auto;
    aspect-ratio: 1024 / 816;
    border-radius: var(--radius-md);
    object-fit: contain;
    background: #fff;
}

.qrcode-tip {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.85;
}

/* ---------- 资质荣誉 ---------- */
.qualifications-section {
    background: #fff;
    position: relative;
    overflow: hidden;
}

/* ---------- 营业执照专区（大图展示） ---------- */
.license-showcase {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 30px;
}

.license-text {
    padding: 20px 0;
}

.license-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--c-primary);
    background: rgba(102,126,234,0.10);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.license-text h2 {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    color: var(--c-text);
}

.license-desc {
    font-size: 16px;
    line-height: 1.85;
    color: var(--c-text-soft);
    margin-bottom: 28px;
}

.license-meta-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    border-top: 1px solid var(--c-border);
}

.license-meta-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--c-border);
    font-size: 14px;
}

.license-meta-list .meta-key {
    color: var(--c-text-muted);
    flex-shrink: 0;
}

.license-meta-list .meta-val {
    color: var(--c-text);
    font-weight: 500;
    text-align: right;
}

.license-meta-list .meta-val code {
    background: var(--c-bg-mute);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--c-primary);
}

/* 证照预览 — 相纸 + 阴影 + hover 效果 */
.license-preview-wrap {
    position: relative;
}

.license-preview {
    display: block;
    position: relative;
    width: 100%;
    background: #fff;
    border: 0;
    padding: 14px;
    border-radius: var(--radius-lg);
    box-shadow:
        0 1px 2px rgba(0,0,0,0.06),
        0 12px 32px rgba(0,0,0,0.10),
        0 30px 60px rgba(102,126,234,0.18);
    cursor: zoom-in;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s;
    overflow: hidden;
}

.license-preview::before {
    content: '';
    position: absolute;
    inset: 14px;
    background: linear-gradient(135deg, rgba(102,126,234,0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
    border-radius: 4px;
}

.license-preview img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 4px;
    transition: transform 0.5s ease;
}

.license-preview:hover {
    transform: translateY(-6px) rotate(-0.4deg);
    box-shadow:
        0 1px 2px rgba(0,0,0,0.06),
        0 18px 40px rgba(0,0,0,0.12),
        0 40px 80px rgba(102,126,234,0.28);
}

.license-preview:hover img {
    transform: scale(1.02);
}

.license-preview-overlay {
    position: absolute;
    inset: 14px;
    background: linear-gradient(180deg, rgba(102,126,234,0) 50%, rgba(102,126,234,0.85) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding-bottom: 20px;
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 4px;
    z-index: 2;
    gap: 8px;
}

.license-preview:hover .license-preview-overlay {
    opacity: 1;
}

.license-preview-icon {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.license-preview-icon svg {
    width: 22px;
    height: 22px;
}

.license-preview-hint {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.license-preview-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 13px;
    color: var(--c-text-muted);
    justify-content: center;
}

.license-preview-tip .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #6db33f;
    box-shadow: 0 0 0 4px rgba(109,179,63,0.18);
    animation: tipPulse 2s ease-in-out infinite;
}

@keyframes tipPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(109,179,63,0.18); }
    50%      { box-shadow: 0 0 0 8px rgba(109,179,63,0.06); }
}

/* 知识产权小标题 */
.qual-section-title {
    text-align: center;
    margin: 80px 0 40px;
}

.qual-section-tag {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--c-text-muted);
    margin-bottom: 12px;
}

.qual-section-title h3 {
    font-size: clamp(24px, 2.6vw, 32px);
    font-weight: 800;
    color: var(--c-text);
}

/* 响应式 */
@media (max-width: 920px) {
    .license-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .license-text { order: 2; }
    .license-preview-wrap { order: 1; }
}

/* ---------- Lightbox（点击放大查看图片） ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.show {
    display: flex;
    animation: lbFadeIn 0.25s ease;
}

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

.lightbox-mask {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center,
                rgba(20, 20, 35, 0.92) 0%,
                rgba(0, 0, 0, 0.96) 100%);
    backdrop-filter: blur(8px);
}

.lightbox-stage {
    position: relative;
    z-index: 1;
    max-width: 92vw;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: lbZoomIn 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes lbZoomIn {
    from { transform: scale(0.92); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.lightbox-content {
    position: relative;
    background: #fff;
    padding: 14px;
    border-radius: 12px;
    box-shadow: 0 30px 90px rgba(0,0,0,0.6);
    max-height: 82vh;
    overflow: hidden;
}

.lightbox-content img {
    display: block;
    max-width: 86vw;
    max-height: 78vh;
    width: auto;
    height: auto;
    border-radius: 4px;
    user-select: none;
    -webkit-user-drag: none;
}

.lightbox-caption {
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    letter-spacing: 1px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 8px 18px;
    border-radius: 100px;
    backdrop-filter: blur(8px);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: -10px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.22);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10;
    backdrop-filter: blur(8px);
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.20);
    transform: rotate(90deg);
}

.lightbox-close svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 640px) {
    .lightbox-close {
        top: -46px;
        right: 0;
    }
    .lightbox-content {
        padding: 10px;
    }
    .lightbox-content img {
        max-width: 92vw;
        max-height: 72vh;
    }
}

/* 锁定 body 滚动（lightbox 打开时） */
body.lightbox-open {
    overflow: hidden;
}

.qual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.qual-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 2px solid var(--c-border);
    transition: all 0.3s ease;
    overflow: hidden;
}

.qual-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.qual-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

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

.qual-license::before { background: linear-gradient(90deg, #FF6347, #ff8a72); }
.qual-copyright::before { background: linear-gradient(90deg, #667eea, #764ba2); }
.qual-patent::before { background: linear-gradient(90deg, #4facfe, #00f2fe); }
.qual-trademark::before { background: linear-gradient(90deg, #fa709a, #fee140); }

.qual-icon {
    font-size: 40px;
    width: 72px;
    height: 72px;
    background: var(--c-bg-mute);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--c-primary);
    font-weight: 800;
}

.qual-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.qual-card > p {
    font-size: 14px;
    color: var(--c-text-muted);
    margin-bottom: 18px;
}

.qual-meta {
    background: var(--c-bg-soft);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 16px;
    text-align: left;
}

.meta-label {
    display: block;
    font-size: 12px;
    color: var(--c-text-muted);
    margin-bottom: 4px;
}

.meta-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--c-text);
    word-break: break-all;
}

.qual-link {
    display: inline-block;
    color: var(--c-primary);
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s;
}

a.qual-link:hover { color: var(--c-accent); }

/* ---------- 关于我们 ---------- */
.about-section { background: var(--c-bg-soft); }

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-text > p {
    font-size: 17px;
    color: var(--c-text-soft);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-info {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.info-row {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 20px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.info-icon {
    font-size: 22px;
    flex-shrink: 0;
}

.info-label {
    font-size: 12px;
    color: var(--c-text-muted);
    margin-bottom: 2px;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-text);
}

.tech-stack-card {
    background: linear-gradient(145deg, #fff, #f8f9ff);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--c-border);
}

.tech-stack-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 24px;
    text-align: center;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tech-tag {
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}

.tech-tag:hover {
    transform: translateY(-2px) scale(1.04);
}

.tag-java     { background: linear-gradient(135deg, #6db33f, #48a32a); }
.tag-mp       { background: linear-gradient(135deg, #ff6b6b, #ee5a52); }
.tag-redis    { background: linear-gradient(135deg, #dc382d, #ad2820); }
.tag-mysql    { background: linear-gradient(135deg, #00758f, #005670); }
.tag-security { background: linear-gradient(135deg, #6cb33f, #4a7c2c); }
.tag-wx       { background: linear-gradient(135deg, #07c160, #04893f); }
.tag-map      { background: linear-gradient(135deg, #1e90ff, #0056b3); }
.tag-pay      { background: linear-gradient(135deg, #faad14, #d48806); }
.tag-jwt      { background: linear-gradient(135deg, #722ed1, #531dab); }
.tag-aliyun   { background: linear-gradient(135deg, #ff6a00, #ee0a24); }

/* ---------- 核心团队 ---------- */
.team-section {
    background: #fff;
    position: relative;
    overflow: hidden;
}

.team-section::before {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: var(--gradient-warm);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.10;
    pointer-events: none;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 32px;
    max-width: 980px;
    margin: 0 auto;
    position: relative;
}

.team-card {
    display: flex;
    gap: 28px;
    background: linear-gradient(145deg, #fff 0%, #f8f9ff 100%);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.35s ease;
    align-items: flex-start;
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102,126,234,0.20);
}

.team-avatar {
    position: relative;
    flex-shrink: 0;
    width: 84px;
    height: 84px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 38px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
}

.avatar-tang {
    background: var(--gradient-primary);
}

.avatar-guo {
    background: var(--gradient-accent);
}

.team-card:hover .team-avatar {
    transform: scale(1.06) rotate(-4deg);
}

.avatar-letter {
    position: relative;
    z-index: 2;
    line-height: 1;
}

.avatar-ring {
    position: absolute;
    inset: -6px;
    border: 2px dashed rgba(102,126,234,0.4);
    border-radius: 50%;
    animation: spinRing 16s linear infinite;
    pointer-events: none;
}

.avatar-guo .avatar-ring {
    border-color: rgba(255,99,71,0.4);
}

@keyframes spinRing {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.team-info {
    flex: 1;
    min-width: 0;
}

.team-name {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.team-role {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.role-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--c-bg-mute);
    color: var(--c-text-soft);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.role-tag.role-primary {
    background: rgba(102,126,234,0.10);
    color: var(--c-primary-dark);
}

.team-card:nth-child(2) .role-tag.role-primary {
    background: rgba(255,99,71,0.10);
    color: var(--c-accent);
}

.team-bio {
    font-size: 14px;
    line-height: 1.75;
    color: var(--c-text-soft);
    margin-bottom: 18px;
}

.team-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.team-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff;
    color: var(--c-primary);
    border: 1px solid var(--c-border);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}

.team-phone:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.team-card:nth-child(2) .team-phone:hover {
    background: var(--gradient-accent);
}

.phone-icon {
    font-size: 14px;
}

/* ---------- 联系我们 ---------- */
.contact-section {
    background: #fff;
    padding: 80px 0 100px;
}

.contact-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 50%);
    pointer-events: none;
}

.contact-header {
    position: relative;
    margin-bottom: 48px;
}

.contact-header h2 {
    font-size: 36px;
    font-weight: 800;
    margin: 16px 0 8px;
}

.contact-header p {
    font-size: 16px;
    opacity: 0.9;
}

.contact-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.contact-item {
    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    border: 1px solid rgba(255,255,255,0.18);
    transition: all 0.3s;
}

.contact-item:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.contact-label {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.contact-value {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    word-break: break-all;
}

a.contact-value:hover {
    text-decoration: underline;
}

/* ---------- Footer ---------- */
.footer {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .footer-logo {
    height: 56px;
    width: auto;
    max-width: 72px;
    object-fit: contain;
    border-radius: 12px;
    margin-bottom: 16px;
    display: block;
}

.footer-name {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.footer-slogan {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
}

.footer-col-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col li {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
}

.footer-col a {
    transition: color 0.2s;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.10);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.footer-icp a {
    color: rgba(255,255,255,0.5);
    transition: color 0.2s;
}

.footer-icp a:hover { color: #fff; }

/* ---------- 回到顶部 ---------- */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ---------- 滚动动画通用 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-container,
    .about-grid,
    .qrcode-card {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual { order: -1; }

    .floating-card { display: none; }

    .phone-mockup { width: 240px; }

    .qrcode-card { padding: 48px 32px; text-align: center; }
    .qrcode-features { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
}

@media (max-width: 768px) {
    .section { padding: 70px 0; }
    .section-title { font-size: 32px; }
    .section-desc { font-size: 16px; }
    .container { padding: 0 20px; }

    .nav-menu {
        position: fixed;
        top: calc(var(--header-h) + var(--safe-top));
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: #fff;
        box-shadow: var(--shadow-md);
        /* 收起态：高度归零 + 不可见 + 不响应事件，确保不占任何视觉空间 */
        max-height: 0;
        padding: 0 24px;
        overflow: hidden;
        visibility: hidden;
        pointer-events: none;
        transition:
            max-height 0.3s ease,
            padding 0.3s ease,
            visibility 0s linear 0.3s;
    }

    .nav-menu.open {
        max-height: calc(100vh - var(--header-h) - var(--safe-top));
        padding: 16px 24px;
        visibility: visible;
        pointer-events: auto;
        transition:
            max-height 0.3s ease,
            padding 0.3s ease,
            visibility 0s linear 0s;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--c-border);
    }

    .nav-menu li:last-child { border-bottom: none; }

    .nav-link {
        display: block;
        padding: 14px 0;
        font-size: 16px;
    }

    .nav-link::after { display: none; }

    .nav-toggle { display: flex; }

    /* ========== Hero 移动端布局修复 ========== */
    .hero {
        min-height: auto;                                                       /* 取消强制全屏 */
        padding: calc(var(--header-h) + var(--safe-top) + 28px) 0 56px;         /* 顶部 padding 收紧 + 安全区 */
    }

    /* 文字先看到，手机样机移到下方 */
    .hero-content { order: 1; text-align: center; }
    .hero-visual  { order: 2; margin-top: 8px; }

    /* 居中元素 */
    .hero-badge   { display: inline-flex; }
    .hero-actions { justify-content: center; }
    .hero-stats   { justify-content: center; gap: 32px; }
    .stat-num     { font-size: 26px; }

    /* 手机样机缩小（防止占满半屏） */
    .phone-mockup { width: 200px; }

    /* "向下滚动了解更多" 在小屏隐藏，节省空间 */
    .hero-scroll-hint { display: none; }

    .qrcode-content h2 { font-size: 28px; }
    .qrcode-frame img { width: 220px; height: auto; }

    .contact-card,
    .qrcode-card { padding: 40px 24px; }
    .contact-header h2 { font-size: 28px; }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand { grid-column: span 2; }

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

@media (max-width: 480px) {
    .section { padding: 56px 0; }
    .section-title { font-size: 26px; }

    /* Hero 在小手机进一步紧凑 */
    .hero { padding: calc(var(--header-h) + var(--safe-top) + 20px) 0 44px; }
    .hero-title { font-size: 32px; line-height: 1.18; }
    .hero-subtitle { font-size: 15px; }
    .hero-stats { gap: 20px 32px; }
    .phone-mockup { width: 180px; }

    .btn { padding: 12px 24px; font-size: 15px; }

    .product-card,
    .feature-item,
    .qual-card { padding: 28px 20px; }

    /* footer：保持 2 列对称（品牌跨 2 列、产品/关于并排、联系跨 2 列填满最后一行） */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px 24px;
    }
    .footer-brand              { grid-column: span 2; }
    .footer-col:last-child     { grid-column: span 2; }   /* 联系信息跨 2 列填满 */
    .footer-col:last-child ul  {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px 16px;
    }

    /* 子页 Hero 缩小 */
    .sub-hero { padding: calc(var(--header-h) + var(--safe-top) + 40px) 0 56px; }
    .sub-hero-title { font-size: 30px; }
    .sub-hero-desc { font-size: 15px; }
    .breadcrumb { font-size: 13px; padding: 5px 12px; }

    /* 团队卡：小屏强制单列 */
    .team-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .team-card { padding: 32px 24px; flex-direction: column; text-align: center; }
    .team-avatar { margin: 0 auto 8px; }
    .team-role { justify-content: center; }
    .team-contact { justify-content: center; }

    /* 探索卡：小屏紧凑 */
    .explore-card { padding: 32px 24px; }
    .explore-card h3 { font-size: 20px; }
    .explore-icon { width: 48px; height: 48px; font-size: 24px; margin-bottom: 16px; }

    /* 上下页导航：小屏改成纵向堆叠 */
    .page-nav { flex-direction: column; gap: 12px; }
    .page-nav-link { width: 100%; min-width: 0; padding: 16px 20px; }
    .page-nav-link.next { flex-direction: row; text-align: left; justify-content: flex-start; }
    .page-nav-link.next .page-nav-arrow { margin-left: auto; }

    /* 营业执照展示区：metaList 标签 / 值改纵向 */
    .license-showcase { gap: 32px; }
    .license-text h2 { font-size: 24px; }
    .license-meta-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .license-meta-list .meta-val { text-align: left; }

    /* 联系卡 / 二维码卡内边距压缩 */
    .contact-card,
    .qrcode-card { padding: 32px 18px; }
    .qrcode-content h2 { font-size: 24px; }
    .qrcode-frame img { width: 200px; }

    /* Hero CTA 按钮组在小屏纵向 */
    .hero-actions { gap: 12px; }
    .hero-actions .btn { width: 100%; max-width: 280px; }
    .hero-stats { justify-content: center; flex-wrap: wrap; }

    /* 资质小标题 */
    .qual-section-title { margin: 56px 0 28px; }
}

/* iPad / 平板范围（768-1024px）— 现在 nav 有 7 项，避免挤 */
@media (min-width: 768px) and (max-width: 1024px) {
    .nav-menu { gap: 22px; }
    .nav-link { font-size: 14px; }
    .nav-logo span { font-size: 16px; }
}