/* ===========================================
   愿宠安 - 主样式表
   宠物善后服务 - 温暖、庄重、有温情
   =========================================== */

/* CSS 变量定义 */
:root {
    /* 主色调 - 温暖米色系 */
    --color-bg: #faf7f2;
    --color-bg-alt: #f3ece2;
    --color-bg-soft: #ffffff;
    --color-primary: #8b6f4e;       /* 暖棕金 */
    --color-primary-dark: #6b5238;
    --color-primary-light: #c9a97e;
    --color-accent: #d4a574;        /* 淡金 */
    --color-text: #2c2825;          /* 主文字 */
    --color-text-light: #5c544c;    /* 次要文字 */
    --color-text-muted: #8a8278;    /* 弱化文字 */
    --color-border: #e8dfd2;
    --color-white: #ffffff;
    --color-success: #6b8e5f;

    /* 字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", Helvetica, Arial, sans-serif;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(60, 40, 20, 0.06);
    --shadow-md: 0 8px 24px rgba(60, 40, 20, 0.08);
    --shadow-lg: 0 16px 48px rgba(60, 40, 20, 0.12);

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

/* 重置与基础 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

/* 布局工具 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xxl) 0;
}

section.tight {
    padding: var(--spacing-xl) 0;
}

/* 顶部公告栏 */
.topbar {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    padding: 0.5rem 0;
    text-align: center;
}

.topbar a {
    color: var(--color-white);
    font-weight: 500;
    margin-left: 0.5rem;
}

.topbar a:hover {
    color: var(--color-bg-alt);
}

/* 导航栏 */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(250, 247, 242, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text small {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 400;
    letter-spacing: 0.1em;
    font-family: var(--font-sans);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary-dark) !important;
    font-weight: 600 !important;
}

.nav-phone::after {
    display: none !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-primary-dark);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--color-md, 0 8px 24px rgba(60, 40, 20, 0.15));
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-dark);
    border: 2px solid var(--color-primary);
}

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

.btn-ghost {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.btn-phone {
    background-color: var(--color-primary-dark);
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
}

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

/* Hero 区域 */
.hero {
    position: relative;
    padding: var(--spacing-xl) 0 var(--spacing-xxl);
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background-color: rgba(139, 111, 78, 0.08);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(139, 111, 78, 0.15);
}

.hero h1 {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-trust-item svg {
    color: var(--color-success);
}

/* 节区通用标题 */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-header h2 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-light);
}

.section-header .section-tag {
    display: inline-block;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

/* 服务卡片 */
.services {
    background-color: var(--color-bg-soft);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-dark);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.service-link:hover {
    gap: 0.6rem;
}

/* 关于 / Why 选择 */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.why-item {
    text-align: center;
    padding: var(--spacing-md);
}

.why-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-primary-dark);
    font-size: 2rem;
}

.why-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

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

/* 服务流程 */
.process {
    background-color: var(--color-bg-soft);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    position: relative;
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.process-step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.process-step h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.95rem;
}

/* 客户见证 */
.testimonials {
    background-color: var(--color-bg-alt);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: var(--color-bg-soft);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--color-primary-light);
    opacity: 0.4;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.testimonial-author strong {
    color: var(--color-text);
    display: block;
}

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

.faq-item {
    background-color: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text);
    list-style: none;
    user-select: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 300;
    transition: transform var(--transition);
}

.faq-item[open] .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.faq-answer p {
    margin-bottom: 0.5rem;
}

/* CTA 区域 */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before,
.cta-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section::before {
    top: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
}

.cta-section::after {
    bottom: -150px;
    right: -100px;
    width: 500px;
    height: 500px;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-serif);
}

.cta-phone:hover {
    color: var(--color-bg-alt);
}

/* 联系方式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.contact-card {
    background-color: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-primary-dark);
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin: 0;
}

.contact-card a {
    color: var(--color-primary-dark);
    font-weight: 600;
    word-break: break-all;
}

/* 页脚 */
.footer {
    background-color: #2c2825;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-brand .logo-mark {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

/* 浮动电话按钮 */
.float-phone {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 99;
    text-decoration: none;
    transition: all var(--transition);
    font-size: 1.5rem;
}

.float-phone:hover {
    transform: scale(1.1);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.float-phone::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    opacity: 0.4;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* 内页横幅 */
.page-banner {
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.page-banner h1 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.page-banner p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

/* 面包屑 */
.breadcrumb {
    background-color: var(--color-bg-alt);
    padding: 0.75rem 0;
    font-size: 0.9rem;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    color: var(--color-text-muted);
}

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

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

/* 服务详情区块 */
.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-detail-content h2 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.service-detail-content .section-tag {
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.service-detail-image {
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-primary-light));
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 4rem;
    box-shadow: var(--shadow-md);
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.service-features li {
    padding-left: 1.75rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--color-text-light);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* 关于我们 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image {
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-primary-light));
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 4rem;
    box-shadow: var(--shadow-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background-color: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* 联系页 */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    background-color: var(--color-bg-soft);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition);
}

.contact-method.primary {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-method-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-white);
    font-size: 1.75rem;
}

.contact-method h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-method p {
    font-size: 0.95rem;
}

.contact-method strong {
    color: var(--color-primary-dark);
    font-family: var(--font-serif);
    font-size: 1.3rem;
}

.service-area {
    background-color: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.service-area h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.area-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.area-list li {
    padding: 0.4rem 0.9rem;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* 长尾 SEO 内容区 */
.seo-content {
    background-color: var(--color-bg-soft);
    padding: var(--spacing-xl) 0;
}

.seo-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.seo-content article {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.seo-content h3 {
    color: var(--color-primary-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.seo-content p {
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.7;
}

/* 响应式 */
@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .service-detail,
    .service-detail.reverse,
    .about-intro,
    .seo-content-grid {
        grid-template-columns: 1fr;
    }

    .service-detail.reverse {
        direction: ltr;
    }

    section {
        padding: var(--spacing-xl) 0;
    }

    .hero {
        padding: var(--spacing-lg) 0 var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg-soft);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        display: none;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .nav-menu a {
        display: block;
        padding: 0.875rem var(--spacing-md);
    }

    .nav-toggle {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .cta-phone {
        font-size: 1.4rem;
    }

    .float-phone {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
        font-size: 1.25rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container,
    .container-narrow {
        padding: 0 1rem;
    }

    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .service-card,
    .contact-card {
        padding: var(--spacing-md);
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .float-phone,
    .nav-toggle {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}

/* 可访问性 - 减少动画 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 焦点样式（可访问性） */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* 链接省略号 - 跳过链接（可访问性） */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 999;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}