/* ========================================
   钱鑫珠宝甄选 - 设计系统
   高端珠宝回收官网
   ======================================== */

/* CSS变量 - 设计令牌 */
:root {
    /* 色彩系统 */
    --color-gold: #C9A96E;
    --color-gold-light: #E8D5A3;
    --color-gold-dark: #8B7355;
    --color-black: #1A1A1A;
    --color-dark: #0D0D0D;
    --color-dark-surface: #1F1F1F;
    --color-dark-elevated: #2A2A2A;
    --color-white: #FFFFFF;
    --color-off-white: #F8F6F3;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    /* 语义化色彩 */
    --color-primary: var(--color-gold);
    --color-primary-light: var(--color-gold-light);
    --color-primary-dark: var(--color-gold-dark);
    --color-bg-primary: var(--color-dark);
    --color-bg-secondary: var(--color-dark-surface);
    --color-bg-elevated: var(--color-dark-elevated);
    --color-text-primary: var(--color-white);
    --color-text-secondary: var(--color-gray-400);
    --color-text-muted: var(--color-gray-500);
    --color-border: rgba(201, 169, 110, 0.2);
    --color-border-light: rgba(255, 255, 255, 0.1);

    /* 字体系统 */
    --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-family-serif: 'Songti SC', 'SimSun', Georgia, serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* 间距系统 */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* 圆角 */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-gold: 0 4px 20px rgba(201, 169, 110, 0.3);
    --shadow-glow: 0 0 40px rgba(201, 169, 110, 0.2);

    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* 布局 */
    --container-max: 1200px;
    --header-height: 80px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

/* ========================================
   辅助类
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-24) 0;
}

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

.section-gradient {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-surface) 100%);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   头部导航
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: linear-gradient(to bottom, rgba(13, 13, 13, 0.98), rgba(13, 13, 13, 0.9));
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(13, 13, 13, 0.98);
    box-shadow: var(--shadow-lg);
}

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

.nav-brand {
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    position: relative;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    transition: width var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    width: 32px;
    height: 32px;
    position: relative;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   Hero区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--header-height) var(--space-6) var(--space-12);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-black) 50%, var(--color-dark) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 169, 110, 0.05) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(201, 169, 110, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(201, 169, 110, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-gold-light);
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.8s ease-out;
}

.badge-icon {
    animation: sparkle 2s ease-in-out infinite;
}

.hero-title {
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.title-line {
    display: block;
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    letter-spacing: 0.05em;
}

.title-accent {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
    letter-spacing: 0.2em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-16);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: var(--space-12);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 140px;
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    height: 48px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 0;
}

.stat-suffix {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-top: -4px;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.deco-ring {
    position: absolute;
    border: 1px solid rgba(201, 169, 110, 0.1);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.ring-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
}

.ring-2 {
    width: 800px;
    height: 800px;
    bottom: -300px;
    left: -300px;
    animation-direction: reverse;
    animation-duration: 40s;
}

.ring-3 {
    width: 1000px;
    height: 1000px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 60s;
}

/* ========================================
   按钮
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    white-space: nowrap;
}

.btn-icon {
    font-size: var(--font-size-lg);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
}

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

.btn-outline:hover {
    background: rgba(201, 169, 110, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-xl);
}

/* ========================================
   区块头部
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header-left {
    text-align: left;
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--font-size-4xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   优势区块
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.feature-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-gold);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.feature-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.feature-desc {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ========================================
   服务区块
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.service-card {
    position: relative;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    overflow: hidden;
}

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

.service-card-featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, rgba(201, 169, 110, 0.1) 100%);
}

.service-card-wide {
    grid-column: span 1;
}

.featured-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
}

.service-visual {
    position: relative;
    margin-bottom: var(--space-6);
}

.service-emoji {
    font-size: 4rem;
    display: block;
}

.service-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s ease-in-out infinite;
}

.service-title {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.service-desc {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.service-list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding-left: var(--space-4);
    position: relative;
}

.service-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ========================================
   流程区块
   ======================================== */
.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
    margin-bottom: var(--space-12);
}

.process-connector {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--space-8);
}

.connector-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    position: relative;
}

.connector-line::before,
.connector-line::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translateY(-50%);
}

.connector-line::before {
    left: 0;
}

.connector-line::after {
    right: 0;
}

.process-step {
    flex: 0 0 auto;
    text-align: center;
    position: relative;
    width: 200px;
}

.step-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: var(--space-4);
}

.step-content {
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.step-icon {
    font-size: 2rem;
}

.step-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

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

/* ========================================
   关于区块
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-text {
    margin-bottom: var(--space-8);
}

.about-text p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

.about-text strong {
    color: var(--color-primary);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.about-feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.about-feature strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.about-feature span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-elevated) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-muted);
}

.image-placeholder span {
    font-size: 6rem;
    opacity: 0.3;
}

.image-placeholder p {
    margin-top: var(--space-4);
    font-size: var(--font-size-lg);
}

.about-badge {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    border-radius: 50%;
    box-shadow: var(--shadow-gold);
}

.badge-year {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-black);
    line-height: 1;
}

.badge-text {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
}

/* ========================================
   FAQ区块
   ======================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-primary);
}

.faq-item[open] {
    border-color: var(--color-primary);
}

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

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    cursor: pointer;
    user-select: none;
}

.faq-q {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-md);
}

.faq-text {
    flex: 1;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.faq-icon {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    transition: transform var(--transition-normal);
}

.faq-answer {
    padding: 0 var(--space-6) var(--space-6);
    padding-left: calc(var(--space-6) + 32px + var(--space-4));
}

.faq-answer p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ========================================
   联系区块
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.contact-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.contact-card-primary {
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, rgba(201, 169, 110, 0.15) 100%);
    border-color: var(--color-primary);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.contact-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.contact-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    display: block;
}

.contact-sub {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.contact-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.contact-map {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.amap-wrapper {
    display: flex;
    flex-direction: column;
}

.shop-map {
    width: 100%;
    height: 400px;
}

.location-panel {
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.location-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.location-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.location-header h4 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.location-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.location-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.location-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.location-btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    border-color: transparent;
}

.location-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
    color: var(--color-black);
}

.location-btn-active {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    border-color: transparent;
}

.location-status {
    display: none;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    text-align: center;
}

.location-status-loading {
    display: block;
    background: rgba(201, 169, 110, 0.1);
    color: var(--color-primary);
}

.location-status-success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.location-status-error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

/* 高德地图自定义样式 */
.amap-info-window {
    position: relative;
}

.amap-info-window .info-content {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    min-width: 200px;
    box-shadow: var(--shadow-xl);
}

.amap-info-window .info-title {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.amap-info-window .info-address {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.amap-info-window .info-phone {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.amap-info-window .info-phone a {
    color: var(--color-primary);
}

.amap-info-window .info-actions {
    display: flex;
    gap: var(--space-2);
}

.amap-info-window .info-btn {
    flex: 1;
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.amap-info-window .info-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

.amap-info-window .info-btn-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.amap-info-window .info-btn-outline:hover {
    background: rgba(201, 169, 110, 0.1);
}

/* 自定义标记样式 */
.custom-marker {
    position: relative;
}

.marker-inner {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-gold);
}

.marker-icon {
    transform: rotate(45deg);
    font-size: 1.5rem;
}

.marker-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(201, 169, 110, 0.3);
    border-radius: 50%;
    animation: markerPulse 2s ease-out infinite;
    top: 0;
    left: 0;
}

@keyframes markerPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--color-black);
    border-top: 1px solid var(--color-border);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.footer-slogan {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.footer-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.footer-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-list a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-contact-item span {
    flex-shrink: 0;
}

.footer-contact-item a {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
    color: var(--color-gold-light);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.footer-bottom p:last-child {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* ========================================
   浮动联系按钮
   ======================================== */
.floating-contact {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    z-index: 999;
}

.float-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    border-radius: 50%;
    box-shadow: var(--shadow-gold);
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    animation: pulse 2s ease-in-out infinite;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.float-btn-location {
    animation-delay: 0.5s;
}

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

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

@keyframes sparkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes shine {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

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

@keyframes pulse {
    0%, 100% {
        box-shadow: var(--shadow-gold);
    }
    50% {
        box-shadow: var(--shadow-glow);
    }
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   响应式设计
   ======================================== */

/* 平板 */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

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

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

    .service-card-wide {
        grid-column: span 1;
    }

    .process-timeline {
        flex-direction: column;
        align-items: center;
        gap: var(--space-4);
    }

    .process-connector {
        display: none;
    }

    .process-step {
        width: 100%;
        max-width: 400px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .about-visual {
        order: -1;
    }

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

/* 移动端 */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --header-height: 70px;
    }

    .section {
        padding: var(--space-16) 0;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: rgba(13, 13, 13, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--space-8);
        gap: var(--space-6);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: block;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

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

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

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

    .service-card-wide {
        grid-column: span 1;
    }

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

    .shop-map {
        height: 300px;
    }

    .location-actions {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .floating-contact {
        bottom: var(--space-4);
        right: var(--space-4);
    }

    .float-btn {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
}

/* 小屏幕 */
@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2rem;
        --font-size-5xl: 1.75rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .title-accent {
        font-size: var(--font-size-lg);
        letter-spacing: 0.1em;
    }

    .btn-lg,
    .btn-xl {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
}

/* 减少动画（无障碍） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}