/* =============================================
   每日大赛官网 - 主样式文件
   www.jgwbua.cn
   ============================================= */

/* --- CSS 变量 --- */
:root {
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-charcoal: #2c2c2c;
    --color-gray-dark: #3d3d3d;
    --color-gray: #6b6b6b;
    --color-gray-light: #9a9a9a;
    --color-border: #2e2e2e;
    --color-gold: #c9a96e;
    --color-gold-light: #e2c98a;
    --color-gold-pale: #f5e6c8;
    --color-white: #ffffff;
    --color-off-white: #f8f6f2;
    --font-serif: 'Georgia', 'STSong', '宋体', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-gold: 0 4px 20px rgba(201,169,110,0.2);
    --radius: 2px;
    --max-width: 1200px;
}

/* --- 重置与基础 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    background-color: var(--color-black);
    color: var(--color-off-white);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--color-gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-gold-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- 排版 --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-off-white);
}
h1 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: 0.05em; }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); letter-spacing: 0.04em; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; color: var(--color-gray-light); }
.gold-text { color: var(--color-gold); }
.section-label {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 0.8rem;
    display: block;
}
.section-divider {
    width: 40px;
    height: 1px;
    background: var(--color-gold);
    margin: 1.5rem auto;
}
.section-divider.left { margin-left: 0; }

/* --- 容器 --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-alt { background-color: var(--color-dark); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header p { max-width: 600px; margin: 0 auto; }

/* =============================================
   顶部通知栏
   ============================================= */
.top-bar {
    background: var(--color-charcoal);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-gold);
    letter-spacing: 0.1em;
}

/* =============================================
   导航
   ============================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10,10,10,0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}
.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.nav-logo-text {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--color-gold);
    letter-spacing: 0.1em;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-menu a {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--color-gray-light);
    transition: var(--transition);
    position: relative;
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--color-gold); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-cta {
    background: var(--color-gold);
    color: var(--color-black) !important;
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    transition: var(--transition);
}
.nav-cta:hover { background: var(--color-gold-light); }
.nav-cta::after { display: none !important; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-gold);
    transition: var(--transition);
}

/* --- 搜索框 --- */
.search-bar {
    background: var(--color-charcoal);
    border-bottom: 1px solid var(--color-border);
    padding: 0.6rem 0;
}
.search-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.search-input {
    flex: 1;
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    color: var(--color-off-white);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    outline: none;
    transition: var(--transition);
    max-width: 480px;
}
.search-input:focus { border-color: var(--color-gold); }
.search-input::placeholder { color: var(--color-gray); }
.search-btn {
    background: var(--color-gold);
    color: var(--color-black);
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    transition: var(--transition);
}
.search-btn:hover { background: var(--color-gold-light); }

/* =============================================
   Hero Banner
   ============================================= */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--color-black);
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.5) 60%, rgba(10,10,10,0.7) 100%);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    padding-top: 4rem;
}
.hero-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.hero-eyebrow::before {
    content: '';
    display: block;
    width: 30px;
    height: 1px;
    background: var(--color-gold);
}
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 4rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    max-width: 700px;
}
.hero h1 span { color: var(--color-gold); }
.hero-desc {
    font-size: 1rem;
    color: var(--color-gray-light);
    max-width: 520px;
    margin-bottom: 2.5rem;
    line-height: 1.9;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-black);
    padding: 0.85rem 2.2rem;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: var(--transition);
    font-weight: 600;
}
.btn-primary:hover { background: var(--color-gold-light); color: var(--color-black); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-outline {
    display: inline-block;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    padding: 0.85rem 2.2rem;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: var(--transition);
}
.btn-outline:hover { background: var(--color-gold); color: var(--color-black); }
.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.hero-stat-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-gold);
    display: block;
}
.hero-stat-label { font-size: 0.75rem; letter-spacing: 0.1em; color: var(--color-gray); }

/* =============================================
   服务卡片
   ============================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5px;
    background: var(--color-border);
}
.service-card {
    background: var(--color-dark);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: var(--color-gold);
    transition: var(--transition);
}
.service-card:hover::before { height: 100%; }
.service-card:hover { background: var(--color-charcoal); }
.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--color-gold);
}
.service-card h3 { margin-bottom: 0.8rem; font-size: 1.1rem; }
.service-card p { font-size: 0.9rem; margin-bottom: 1.2rem; }
.service-link {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.service-link::after { content: '→'; transition: var(--transition); }
.service-card:hover .service-link::after { transform: translateX(4px); }

/* =============================================
   视频卡片区域
   ============================================= */
.video-section { background: var(--color-black); }
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}
.video-card {
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}
.video-card:hover { border-color: var(--color-gold); transform: translateY(-4px); box-shadow: var(--shadow); }
.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-charcoal);
}
.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
    width: 60px;
    height: 60px;
    background: rgba(201,169,110,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.play-icon svg { width: 24px; height: 24px; fill: var(--color-black); margin-left: 3px; }
.video-card:hover .play-icon { transform: scale(1.1); background: var(--color-gold); }
.video-duration {
    position: absolute;
    bottom: 0.6rem;
    right: 0.6rem;
    background: rgba(0,0,0,0.8);
    color: var(--color-off-white);
    font-size: 0.72rem;
    padding: 0.2rem 0.5rem;
    letter-spacing: 0.05em;
}
.video-badge {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    background: var(--color-gold);
    color: var(--color-black);
    font-size: 0.65rem;
    padding: 0.2rem 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}
.video-info { padding: 1.2rem; }
.video-info h4 { font-size: 0.95rem; margin-bottom: 0.5rem; color: var(--color-off-white); }
.video-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-gray);
}
.video-meta span { display: flex; align-items: center; gap: 0.3rem; }
.video-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.7rem; }
.video-tag {
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
    border: 1px solid var(--color-border);
    color: var(--color-gray);
    letter-spacing: 0.05em;
}

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.92);
    align-items: center;
    justify-content: center;
}
.video-modal.active { display: flex; }
.video-modal-inner {
    position: relative;
    width: 90%;
    max-width: 900px;
}
.video-modal-close {
    position: absolute;
    top: -2.5rem;
    right: 0;
    color: var(--color-gold);
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
}
.video-modal video {
    width: 100%;
    background: var(--color-black);
}
.video-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--color-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 1px solid var(--color-border);
}
.video-placeholder .play-large {
    width: 80px;
    height: 80px;
    background: var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.video-placeholder .play-large svg { width: 32px; height: 32px; fill: var(--color-black); margin-left: 4px; }
.video-placeholder p { color: var(--color-gray-light); font-size: 0.9rem; }

/* =============================================
   流程步骤
   ============================================= */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0;
    position: relative;
}
.process-step {
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    border: 1px solid var(--color-border);
    margin: -1px;
}
.step-num {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: 1rem;
    transition: var(--transition);
}
.process-step:hover .step-num { color: var(--color-gold); }
.process-step h4 { margin-bottom: 0.6rem; }
.process-step p { font-size: 0.85rem; }

/* =============================================
   隐奢空间（图片展示）
   ============================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto;
    gap: 4px;
}
.gallery-item { overflow: hidden; position: relative; }
.gallery-item:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.gallery-item:nth-child(2) { grid-column: span 5; }
.gallery-item:nth-child(3) { grid-column: span 5; }
.gallery-item:nth-child(4) { grid-column: span 4; }
.gallery-item:nth-child(5) { grid-column: span 4; }
.gallery-item:nth-child(6) { grid-column: span 4; }
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 200px;
    transition: transform 0.6s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--color-gold-pale);
    opacity: 0;
    transition: var(--transition);
}
.gallery-item:hover .gallery-caption { opacity: 1; }

/* =============================================
   用户评价
   ============================================= */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}
.review-card {
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}
.review-card:hover { border-color: var(--color-gold); }
.review-quote {
    font-size: 3rem;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 1rem;
    font-family: var(--font-serif);
    opacity: 0.5;
}
.review-stars { color: var(--color-gold); font-size: 0.9rem; margin-bottom: 1rem; letter-spacing: 0.1em; }
.review-text { font-size: 0.9rem; color: var(--color-gray-light); line-height: 1.8; margin-bottom: 1.5rem; }
.review-author { display: flex; align-items: center; gap: 1rem; }
.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    color: var(--color-gold);
    font-size: 1rem;
    border: 1px solid var(--color-border);
}
.review-name { font-size: 0.9rem; color: var(--color-off-white); }
.review-role { font-size: 0.75rem; color: var(--color-gray); }
.review-platform { font-size: 0.7rem; color: var(--color-gold); letter-spacing: 0.1em; margin-top: 0.3rem; }

/* =============================================
   案例展示
   ============================================= */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}
.case-card {
    background: var(--color-dark);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
}
.case-card:hover { border-color: var(--color-gold); }
.case-img { aspect-ratio: 4/3; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-card:hover .case-img img { transform: scale(1.04); }
.case-body { padding: 1.5rem; }
.case-tag {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 0.6rem;
    display: block;
}
.case-body h4 { margin-bottom: 0.6rem; }
.case-body p { font-size: 0.85rem; }
.case-metrics {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}
.case-metric-val { font-family: var(--font-serif); font-size: 1.3rem; color: var(--color-gold); display: block; }
.case-metric-label { font-size: 0.7rem; color: var(--color-gray); }

/* =============================================
   FAQ
   ============================================= */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--color-border);
}
.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    color: var(--color-off-white);
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
}
.faq-question:hover { color: var(--color-gold); }
.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-gold);
    transition: var(--transition);
    font-size: 1.2rem;
    line-height: 1;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-answer-inner { padding-bottom: 1.5rem; }
.faq-answer-inner p { font-size: 0.9rem; color: var(--color-gray-light); }
.faq-item.active .faq-answer { max-height: 500px; }

/* =============================================
   预约表单
   ============================================= */
.booking-section {
    background: var(--color-dark);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.booking-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.booking-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.75rem; letter-spacing: 0.1em; color: var(--color-gray); text-transform: uppercase; }
.form-input, .form-select, .form-textarea {
    background: var(--color-charcoal);
    border: 1px solid var(--color-border);
    color: var(--color-off-white);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    outline: none;
    transition: var(--transition);
    width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--color-gold); }
.form-select { appearance: none; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 100px; }
.booking-info h3 { margin-bottom: 1rem; }
.booking-info p { font-size: 0.9rem; margin-bottom: 1.5rem; }
.contact-items { display: flex; flex-direction: column; gap: 1rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; }
.contact-item-icon {
    width: 40px;
    height: 40px;
    background: var(--color-charcoal);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    flex-shrink: 0;
}
.contact-item-label { font-size: 0.7rem; color: var(--color-gray); letter-spacing: 0.08em; }
.contact-item-val { font-size: 0.9rem; color: var(--color-off-white); }

/* =============================================
   地址与地图
   ============================================= */
.address-section { background: var(--color-black); }
.address-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.address-map {
    aspect-ratio: 4/3;
    background: var(--color-charcoal);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.map-placeholder {
    text-align: center;
    color: var(--color-gray);
}
.map-placeholder svg { width: 48px; height: 48px; color: var(--color-gold); margin-bottom: 1rem; }
.address-details h3 { margin-bottom: 1.5rem; }
.address-list { display: flex; flex-direction: column; gap: 1.2rem; }
.address-row { display: flex; gap: 1rem; align-items: flex-start; }
.address-row-icon { color: var(--color-gold); flex-shrink: 0; margin-top: 2px; }
.address-row-label { font-size: 0.7rem; color: var(--color-gray); letter-spacing: 0.08em; margin-bottom: 0.2rem; }
.address-row-val { font-size: 0.9rem; color: var(--color-off-white); }

/* =============================================
   页脚
   ============================================= */
.site-footer {
    background: var(--color-black);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.footer-brand-logo img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.footer-brand-name { font-family: var(--font-serif); font-size: 1.1rem; color: var(--color-gold); }
.footer-desc { font-size: 0.85rem; color: var(--color-gray); line-height: 1.8; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 0.8rem; }
.footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-size: 0.8rem;
    transition: var(--transition);
}
.footer-social a:hover { border-color: var(--color-gold); color: var(--color-gold); }
.footer-col h5 {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1.2rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { font-size: 0.85rem; color: var(--color-gray); }
.footer-col ul a:hover { color: var(--color-gold); }
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-copyright { font-size: 0.8rem; color: var(--color-gray); }
.footer-copyright a { color: var(--color-gray); }
.footer-copyright a:hover { color: var(--color-gold); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.75rem; color: var(--color-gray); letter-spacing: 0.05em; }
.footer-links a:hover { color: var(--color-gold); }
.update-time { font-size: 0.75rem; color: var(--color-gray); }

/* =============================================
   面包屑
   ============================================= */
.breadcrumb {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-dark);
}
.breadcrumb-list { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.breadcrumb-list li { font-size: 0.8rem; color: var(--color-gray); }
.breadcrumb-list li a { color: var(--color-gray); }
.breadcrumb-list li a:hover { color: var(--color-gold); }
.breadcrumb-list li::after { content: '/'; margin-left: 0.5rem; color: var(--color-border); }
.breadcrumb-list li:last-child::after { display: none; }
.breadcrumb-list li:last-child { color: var(--color-gold); }

/* =============================================
   页面标题区
   ============================================= */
.page-hero {
    padding: 5rem 0 3rem;
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { color: var(--color-gray-light); max-width: 600px; margin: 0 auto; }

/* =============================================
   响应式
   ============================================= */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .booking-inner { grid-template-columns: 1fr; gap: 2rem; }
    .address-inner { grid-template-columns: 1fr; gap: 2rem; }
    .gallery-grid { grid-template-columns: repeat(6, 1fr); }
    .gallery-item:nth-child(1) { grid-column: span 6; grid-row: span 1; }
    .gallery-item:nth-child(2),
    .gallery-item:nth-child(3) { grid-column: span 3; }
    .gallery-item:nth-child(4),
    .gallery-item:nth-child(5),
    .gallery-item:nth-child(6) { grid-column: span 2; }
}

@media (max-width: 768px) {
    .section { padding: 3rem 0; }
    .nav-menu { display: none; }
    .nav-toggle { display: flex; }
    .nav-menu.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10,10,10,0.98);
        padding: 2rem 1.5rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--color-border);
        z-index: 999;
    }
    .hero { min-height: 80vh; }
    .hero-stats { gap: 1.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .form-row { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: 1fr 1fr; }
    .gallery-item { grid-column: span 1 !important; grid-row: span 1 !important; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .process-steps { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-outline { text-align: center; }
    .video-grid { grid-template-columns: 1fr; }
}

/* =============================================
   懒加载占位
   ============================================= */
img[data-src] { opacity: 0; transition: opacity 0.4s ease; }
img.loaded { opacity: 1; }

/* =============================================
   滚动动画
   ============================================= */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* =============================================
   其他工具类
   ============================================= */
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none; }