/* ============================================
   芸煜股份 - 企业官网样式表
   风格：简约大气 · 生态自然 · 文化底蕴
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
    /* 主色调 - 深林绿 */
    --color-primary: #1a4d3a;
    --color-primary-light: #2d6b52;
    --color-primary-dark: #0f3325;

    /* 强调色 - 暖金色 */
    --color-accent: #c4a35a;
    --color-accent-light: #d4b876;
    --color-accent-dark: #a8863e;

    /* 背景色 */
    --color-bg: #faf8f3;
    --color-bg-alt: #f2efe8;
    --color-bg-dark: #1a2e25;

    /* 文字色 */
    --color-text: #2c2c2c;
    --color-text-light: #5a5a5a;
    --color-text-muted: #8a8a8a;
    --color-text-white: #ffffff;

    /* 边框/分隔线 */
    --color-border: #e0ddd5;
    --color-border-light: #ecebe6;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* 布局 */
    --header-height: 72px;
    --max-width: 1080px;
    --section-padding: 80px 0;
}

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

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

body {
    font-family: "Noto Sans SC", "PingFang SC", "system-ui", sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Noto Serif SC", serif;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-primary-dark);
}

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

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

ul, ol {
    list-style: none;
}

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

.section {
    padding: var(--section-padding);
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
}

.section-dark h2,
.section-dark h3 {
    color: var(--color-text-white);
}

/* ===== 区块标题 ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header .section-tag {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
    font-family: "Noto Sans SC", sans-serif;
    font-weight: 500;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.section-header .section-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin: 0 auto;
}

.section-header .divider {
    width: 48px;
    height: 3px;
    background: var(--color-accent);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* ===== 导航栏 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Noto Serif SC", serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-white);
    transition: var(--transition);
}

.header.scrolled .logo {
    color: var(--color-primary-dark);
}

.logo .logo-mark {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: 50%;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.logo .logo-text {
    letter-spacing: 2px;
}

.logo .logo-sub {
    font-size: 0.65rem;
    letter-spacing: 4px;
    color: var(--color-accent);
    font-weight: 400;
    display: block;
    margin-top: -2px;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding: 6px 0;
    font-weight: 400;
}

.header.scrolled .nav-menu a {
    color: var(--color-text);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-accent);
}

.header.scrolled .nav-menu a:hover,
.header.scrolled .nav-menu a.active {
    color: var(--color-accent-dark);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-white);
    transition: var(--transition);
    border-radius: 2px;
}

.header.scrolled .menu-toggle span {
    background: var(--color-text);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--color-accent);
    color: #fff;
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0f3325 0%, #1a4d3a 50%, #2d6b52 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(196, 163, 90, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(45, 107, 82, 0.3) 0%, transparent 50%);
    z-index: 0;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2780%27%20height%3D%2780%27%20viewBox%3D%270%200%2080%2080%27%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%3E%0A%20%20%3Cpath%20d%3D%27M40%2014%20Q35%204%2040%200%20Q45%204%2040%2014Z%27%20fill%3D%27%23ffffff%27%2F%3E%0A%20%20%3Cpath%20d%3D%27M40%2066%20Q35%2076%2040%2080%20Q45%2076%2040%2066Z%27%20fill%3D%27%23ffffff%27%2F%3E%0A%20%20%3Cpath%20d%3D%27M14%2040%20Q4%2035%200%2040%20Q4%2045%2014%2040Z%27%20fill%3D%27%23ffffff%27%2F%3E%0A%20%20%3Cpath%20d%3D%27M66%2040%20Q76%2035%2080%2040%20Q76%2045%2066%2040Z%27%20fill%3D%27%23ffffff%27%2F%3E%0A%20%20%3Ccircle%20cx%3D%2740%27%20cy%3D%2740%27%20r%3D%271.5%27%20fill%3D%27%23ffffff%27%2F%3E%0A%3C%2Fsvg%3E");
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 24px;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-content .hero-tag {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 6px;
    color: var(--color-accent);
    margin-bottom: 24px;
    text-transform: uppercase;
    padding: 6px 20px;
    border: 1px solid rgba(196, 163, 90, 0.4);
    border-radius: 30px;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.3;
    letter-spacing: 1px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nowrap {
    white-space: nowrap;
}

.hero-content .hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-mountains {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: auto;
    z-index: 0;
    opacity: 1;
    pointer-events: none;
}

.hero-mountains svg {
    display: block;
    width: 100%;
    height: auto;
}

.page-hero .hero-mountains {
    max-height: 130px;
}

.page-hero .hero-mountains svg {
    height: 130px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

.hero-scroll::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
    margin: 10px auto 0;
}

/* 页面通用 Hero（非首页） */
.page-hero {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #0f3325 0%, #1a4d3a 100%);
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(196, 163, 90, 0.1) 0%, transparent 60%);
}

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

.page-hero h1 {
    font-size: 2.8rem;
    color: #fff;
    margin-bottom: 12px;
}

.page-hero .breadcrumb {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.page-hero .breadcrumb span {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.3);
}

/* ===== 卡片网格 ===== */
.grid {
    display: grid;
    gap: 30px;
}

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

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

.grid-4 {
    grid-template-columns: repeat(3, 1fr);
}

/* 特性卡片 */
.feature-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-border-light);
    height: 100%;
}

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

/* SVG 图标基础样式 */
.icon {
    width: 32px;
    height: 32px;
    stroke-width: 1.75;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    display: block;
}

.feature-card .card-icon {
    width: 76px;
    height: 76px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    color: #fff;
    box-shadow: 0 10px 30px rgba(26, 77, 58, 0.28);
    position: relative;
}

.feature-card .card-icon::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid rgba(26, 77, 58, 0.15);
}

.feature-card .card-icon .icon {
    width: 38px;
    height: 38px;
}

.feature-card .card-icon.accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    box-shadow: 0 10px 30px rgba(196, 163, 90, 0.3);
}

.feature-card .card-icon.accent::after {
    border-color: rgba(196, 163, 90, 0.2);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* 数字统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
}

.stat-item .stat-number {
    font-size: 3rem;
    font-family: "Noto Serif SC", serif;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .stat-number .unit {
    font-size: 1.2rem;
    color: var(--color-accent-light);
}

.stat-item .stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

/* ===== 信息块（图文左右排列） ===== */
.info-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.info-block.reverse .info-text {
    order: 2;
}

.info-block .info-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.info-block .info-text .info-tag {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.info-block .info-text p {
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 2;
}

.info-block .info-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-block .info-visual.visual-green {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.info-block .info-visual.visual-gold {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
}

.info-block .info-visual.visual-dark {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
}

.info-block .info-visual .visual-content {
    color: #fff;
    text-align: center;
    padding: 40px;
    z-index: 1;
}

.info-block .info-visual .visual-content .visual-number {
    font-size: 4rem;
    font-family: "Noto Serif SC", serif;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 12px;
    opacity: 0.9;
}

.info-block .info-visual .visual-content .visual-label {
    font-size: 1.1rem;
    letter-spacing: 2px;
    opacity: 0.8;
}

.info-block .info-visual .visual-content .visual-desc {
    font-size: 0.9rem;
    margin-top: 16px;
    opacity: 0.7;
    max-width: 280px;
    line-height: 1.8;
}

/* 列表项 */
.check-list {
    margin-top: 20px;
}

.check-list li {
    padding: 8px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.check-list li::before {
    content: '\2714';
    color: var(--color-accent);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ===== 时间线 ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-primary));
}

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

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -40px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item .timeline-year {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent-dark);
    margin-bottom: 6px;
    font-family: "Noto Serif SC", serif;
}

.timeline-item .timeline-title {
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
}

.timeline-item .timeline-desc {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* ===== 产品/服务卡片 ===== */
.product-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--color-border-light);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-card .product-header {
    padding: 40px 30px 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    position: relative;
}

.product-card .product-header.gold {
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
}

.product-card .product-header.dark {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
}

.product-card .product-header .product-icon {
    margin-bottom: 18px;
    color: #fff;
    opacity: 0.95;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card .product-header .product-icon .icon {
    width: 52px;
    height: 52px;
    stroke-width: 1.5;
}

.product-card .product-header h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.product-card .product-header .product-subtitle {
    font-size: 0.85rem;
    opacity: 0.7;
    letter-spacing: 2px;
}

.product-card .product-body {
    padding: 28px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .product-body p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.product-card .product-features {
    margin-top: auto;
}

.product-card .product-features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.product-card .product-features li::before {
    content: '\25C6';
    color: var(--color-accent);
    font-size: 0.7rem;
    margin-top: 4px;
    flex-shrink: 0;
}

/* ===== 表格 ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.data-table th {
    background: var(--color-primary);
    color: #fff;
    padding: 16px 20px;
    text-align: left;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.data-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--color-bg-alt);
}

/* 资质与荣誉：两张表格卡片等高对齐 */
.qual-grid {
    align-items: stretch;
}
.qual-grid .fade-in {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.qual-grid .data-table {
    flex: 1;
}

/* ===== 结构 / 剖面图 ===== */
.consortium-diagram,
.forest-diagram {
    max-width: 860px;
    margin: 8px auto 44px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 28px 24px 24px;
}

.consortium-diagram svg,
.forest-diagram svg {
    width: 100%;
    height: auto;
    display: block;
}

.diagram-caption {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.88rem;
    line-height: 1.9;
    margin-top: 18px;
}

.diagram-caption b {
    color: var(--color-primary);
}

@media (max-width: 640px) {
    .consortium-diagram,
    .forest-diagram {
        padding: 18px 12px 16px;
        margin-bottom: 32px;
    }
    .diagram-caption {
        font-size: 0.8rem;
    }
}

/* ===== 合作场景卡片 ===== */
.scenario-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 36px 30px;
    transition: var(--transition);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.scenario-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.scenario-card .scenario-number {
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 3px;
    margin-bottom: 12px;
    font-weight: 600;
}

.scenario-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.scenario-card .scenario-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.scenario-card .scenario-offer {
    font-size: 0.88rem;
    color: var(--color-primary);
    background: var(--color-bg-alt);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    line-height: 1.8;
    margin-top: auto;
}

/* ===== 合作流程步骤 ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    counter-reset: step;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    position: relative;
}

.process-step .step-number {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    font-family: "Noto Serif SC", serif;
    position: relative;
}

.process-step .step-number::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -100%;
    width: 100%;
    height: 2px;
    background: var(--color-border);
    z-index: -1;
}

.process-step:last-child .step-number::after {
    display: none;
}

.process-step h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.process-step p {
    font-size: 0.88rem;
    color: var(--color-text-light);
}

/* ===== 联系信息 ===== */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.contact-info-item {
    text-align: center;
    padding: 36px 24px;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: var(--transition);
}

.contact-info-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.contact-info-item .contact-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: 50%;
    color: var(--color-primary);
    border: 1px solid rgba(26, 77, 58, 0.08);
    transition: var(--transition);
}

.contact-info-item:hover .contact-icon {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.05);
}

.contact-info-item .contact-icon .icon {
    width: 28px;
    height: 28px;
}

.contact-info-item h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.contact-info-item p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* 联系表单 */
.contact-form {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group label .required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--color-bg);
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(196, 163, 90, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-message {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: none;
}

.form-message.success {
    background: #e8f5e9;
    color: #2e7d32;
    display: block;
}

.form-message.error {
    background: #fbe9e7;
    color: #c62828;
    display: block;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 16px;
    max-width: 320px;
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
    font-family: "Noto Sans SC", sans-serif;
    font-weight: 500;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact li {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
}

.footer-contact li .contact-label {
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

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

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* 滚动进入动画 */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .process-step .step-number::after {
        display: none;
    }
}

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        padding: 40px;
        box-shadow: -4px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        color: var(--color-text);
        font-size: 1.1rem;
    }

    .menu-toggle {
        display: flex;
    }

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

    .hero-content h1 span {
        display: block;
    }

    .hero-content h1 .nowrap {
        white-space: normal;
    }

    .hero-content .hero-subtitle {
        font-size: 1rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

    .info-block {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .info-block.reverse .info-text {
        order: 0;
    }

    .info-block .info-visual {
        min-height: 280px;
    }

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

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

    .process-steps {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-form {
        padding: 30px 24px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

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

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

    .section-header h2 {
        font-size: 1.5rem;
    }
}