/* ===== 全局变量与重置 ===== */
:root {
    --bg-primary: #0b0e1a;
    --bg-secondary: #11162b;
    --bg-card: #1a2040;
    --text-primary: #e8edf5;
    --text-secondary: #8892b0;
    --accent: #f0b90b;
    --accent-hover: #d4a509;
    --glass-bg: rgba(26, 32, 64, 0.6);
    --glass-border: rgba(240, 185, 11, 0.15);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --gradient-1: linear-gradient(135deg, #0b0e1a 0%, #1a2040 100%);
    --gradient-2: linear-gradient(135deg, #f0b90b 0%, #d4a509 100%);
    --gradient-3: linear-gradient(135deg, #1a2040 0%, #0b0e1a 100%);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0b0e1a;
    --bg-secondary: #11162b;
    --bg-card: #1a2040;
    --text-primary: #e8edf5;
    --text-secondary: #8892b0;
}

[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1a2040;
    --text-secondary: #5a6478;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(240, 185, 11, 0.2);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
    min-height: 100vh;
}

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

a:hover {
    color: var(--accent-hover);
}

img,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== 容器与布局 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--gradient-2);
    color: #0b0e1a;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(240, 185, 11, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #0b0e1a;
}

/* ===== 区块 ===== */
.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin-bottom: 48px;
    line-height: 1.7;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

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

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

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== 主题切换与返回顶部 ===== */
.theme-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--text-primary);
    transition: all var(--transition);
    box-shadow: var(--shadow);
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.back-to-top {
    position: fixed;
    bottom: 84px;
    right: 24px;
    z-index: 1000;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--text-primary);
    transition: all var(--transition);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

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

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

/* ===== 头部 ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(11, 14, 26, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(240, 185, 11, 0.08);
    transition: background var(--transition);
}

[data-theme="light"] header {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo svg {
    width: 36px;
    height: 36px;
}

.nav {
    display: flex;
    gap: 6px;
    list-style: none;
    align-items: center;
}

.nav li a {
    display: block;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
    position: relative;
}

.nav li a:hover,
.nav li a.active {
    color: var(--accent);
    background: rgba(240, 185, 11, 0.08);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

.mobile-toggle span {
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===== 搜索框 ===== */
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    border: 1px solid transparent;
    transition: all var(--transition);
}

.search-box:focus-within {
    border-color: var(--accent);
}

.search-box input {
    background: none;
    border: none;
    color: var(--text-primary);
    outline: none;
    font-size: 0.85rem;
    width: 140px;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

.search-box svg {
    color: var(--text-secondary);
    width: 18px;
    height: 18px;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: 40px 0;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero h1 span {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 560px;
}

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

.hero-slider {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    height: 70%;
    z-index: 1;
}

.hero-slider .slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slider .slide.active {
    opacity: 1;
}

.hero-slider .slide svg {
    width: 90%;
    height: 90%;
    max-width: 500px;
}

/* ===== 品牌介绍 ===== */
.brand-intro {
    background: var(--bg-secondary);
}

.brand-intro .intro-card {
    padding: 40px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.brand-intro .intro-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--accent);
}

.brand-intro .intro-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== 时间线 ===== */
.story-timeline {
    position: relative;
    padding-left: 40px;
}

.story-timeline::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    opacity: 0.3;
}

.story-item {
    position: relative;
    padding: 24px 0;
    padding-left: 32px;
}

.story-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 32px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
}

.story-item .year {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 6px;
}

.story-item h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.story-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 文化卡片 ===== */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.culture-card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all var(--transition);
}

.culture-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(240, 185, 11, 0.1);
}

.culture-card svg {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    color: var(--accent);
}

.culture-card h4 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.culture-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ===== 团队卡片 ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
}

.team-card {
    padding: 28px 20px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
}

.team-card svg {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(240, 185, 11, 0.1);
    padding: 12px;
    color: var(--accent);
}

.team-card h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.team-card .role {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.team-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.5;
}

/* ===== 产品卡片 ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.product-card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(240, 185, 11, 0.08);
}

.product-card svg {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin-bottom: 16px;
}

.product-card h4 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.product-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-card .tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(240, 185, 11, 0.12);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 600;
}

/* ===== 优势列表 ===== */
.advantages-list {
    display: grid;
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    padding: 28px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}

.advantage-item:hover {
    transform: translateX(6px);
}

.advantage-item svg {
    width: 40px;
    height: 40px;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 4px;
}

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

.advantage-item p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ===== 解决方案 ===== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.solution-card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all var(--transition);
}

.solution-card:hover {
    transform: translateY(-4px);
}

.solution-card svg {
    width: 56px;
    height: 56px;
    color: var(--accent);
    margin: 0 auto 16px;
}

.solution-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.solution-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ===== 行业应用 ===== */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.industry-card {
    padding: 24px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all var(--transition);
}

.industry-card:hover {
    transform: translateY(-4px);
}

.industry-card svg {
    width: 44px;
    height: 44px;
    color: var(--accent);
    margin: 0 auto 12px;
}

.industry-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.industry-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ===== 数据统计 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    padding: 32px 16px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.stat-item .number {
    font-size: 2.8rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-item .label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 8px;
}

/* ===== 案例卡片 ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.case-card {
    padding: 28px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
}

.case-card svg {
    width: 100%;
    height: 160px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    background: rgba(240, 185, 11, 0.05);
}

.case-card h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.case-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ===== 合作伙伴 ===== */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    align-items: center;
}

.partner-item {
    padding: 20px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.partner-item:hover {
    transform: scale(1.04);
}

.partner-item svg {
    width: 80px;
    height: 40px;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* ===== 客户评价 ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.testimonial-card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.15;
    position: absolute;
    top: 8px;
    left: 20px;
    font-family: Georgia, serif;
}

.testimonial-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-card .author svg {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--accent);
}

.testimonial-card .author .name {
    font-weight: 600;
    font-size: 0.95rem;
}

.testimonial-card .author .company {
    color: var(--text-secondary);
    font-size: 0.82rem;
}

/* ===== 新闻卡片 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.news-card {
    padding: 24px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}

.news-card:hover {
    transform: translateY(-4px);
}

.news-card .date {
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.news-card h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.news-card .read-more {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.88rem;
}

/* ===== 相关文章 ===== */
.related-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.related-card {
    padding: 20px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition);
}

.related-card:hover {
    transform: translateY(-3px);
}

.related-card h5 {
    font-size: 0.95rem;
    margin-bottom: 6px;
    line-height: 1.4;
}

.related-card .date {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition);
    color: var(--accent);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ===== 使用指南 ===== */
.howto-list {
    max-width: 800px;
    margin: 0 auto;
    counter-reset: step;
}

.howto-item {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(240, 185, 11, 0.08);
    align-items: flex-start;
}

.howto-item:last-child {
    border-bottom: none;
}

.howto-item .step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-2);
    color: #0b0e1a;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.howto-item h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.howto-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== 联系我们 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.contact-info h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.contact-info .info-item {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
    align-items: flex-start;
}

.contact-info .info-item svg {
    width: 22px;
    height: 22px;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info .info-item p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.5;
}

.contact-form {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.contact-form .form-group {
    margin-bottom: 18px;
}

.contact-form label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(240, 185, 11, 0.15);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-size: 0.92rem;
    outline: none;
    transition: border var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
}

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

/* ===== 面包屑 ===== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

.breadcrumb .current {
    color: var(--accent);
}

/* ===== 友情链接 ===== */
.friends-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.friends-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(6px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition);
}

.friends-links a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ===== 网站地图 ===== */
.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
}

.sitemap-grid h4 {
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 12px;
}

.sitemap-grid ul {
    list-style: none;
}

.sitemap-grid ul li {
    margin-bottom: 8px;
}

.sitemap-grid ul li a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color var(--transition);
}

.sitemap-grid ul li a:hover {
    color: var(--accent);
}

/* ===== 页脚 ===== */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(240, 185, 11, 0.06);
    padding: 60px 0 30px;
}

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

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 12px;
    max-width: 320px;
}

.footer-links h4 {
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 14px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 8px;
}

.footer-links ul li a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(240, 185, 11, 0.06);
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.footer-bottom a {
    color: var(--text-secondary);
    margin: 0 8px;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .hero-slider {
        width: 40%;
        height: 50%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        backdrop-filter: blur(24px);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav.open {
        display: flex;
    }

    .mobile-toggle {
        display: flex;
    }

    .search-box input {
        width: 100px;
    }

    .hero {
        text-align: center;
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-slider {
        display: none;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 60px 0;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .stat-item .number {
        font-size: 2rem;
    }
}

/* ===== 滚动动画 ===== */
.animated {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.animated-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animated-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.animated-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animated-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.animated-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animated-scale.visible {
    opacity: 1;
    transform: scale(1);
}