/* ============================================================
   乐享旅居 - 高端文旅康养平台
   设计风格：Apple + Tesla + 高端文旅 + 国家级文旅平台
   主色调：深空蓝 #071D49 / 科技蓝 #0D6EFD / 银河紫 #4A3AFF / 高级金 #D4AF37
   ============================================================ */

/* ========== CSS 变量 & 基础重置 ========== */
:root {
    --deep-blue: #071D49;
    --tech-blue: #0D6EFD;
    --tech-blue-light: #3B8BFF;
    --galaxy-purple: #4A3AFF;
    --gold: #D4AF37;
    --gold-light: #F0D060;
    --white: #FFFFFF;
    --bg-dark: #020C24;
    --bg-section: #060E2B;
    --bg-card: rgba(255,255,255,0.03);
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.45);
    --border-subtle: rgba(255,255,255,0.06);
    --border-medium: rgba(255,255,255,0.12);
    --glass-bg: rgba(255,255,255,0.04);
    --glass-border: rgba(255,255,255,0.08);
    --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(13,110,253,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

html { font-size: 120%; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Source Han Sans CN", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   适老化友好样式
   ============================================================ */
button, a, input, select, textarea {
    min-height: 48px;
    min-width: 48px;
}

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

button, .btn-hero-primary, .btn-hero-outline, .btn-hero-gold,
.btn-nav-outline, .btn-nav-primary, .btn-register, .card-link {
    min-height: 48px;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ========== 全局滚动条 ========== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.25);
}

/* ============================================================
   顶部导航栏 - 玻璃拟态
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(7, 29, 73, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(7, 29, 73, 0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 72px;
}

/* LOGO */
.nav-left {
    flex-shrink: 0;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
}

.logo-accent {
    color: var(--gold);
}

/* 导航菜单 */
.nav-center {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 15px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.06);
}

.nav-link .arrow {
    font-size: 10px;
    transition: transform var(--transition);
}

/* 下拉菜单 */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: rgba(10, 25, 60, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

.nav-dropdown:hover .arrow {
    transform: rotate(180deg);
}

.dropdown-menu a {
    display: block;
    padding: 10px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.dropdown-menu a:hover {
    color: var(--white);
    background: rgba(13,110,253,0.2);
}

/* 右侧功能区 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.nav-action {
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-action:hover {
    color: var(--white);
    background: rgba(255,255,255,0.06);
}

.btn-nav-outline {
    padding: 8px 20px;
    font-size: 13px;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 20px;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-nav-outline:hover {
    border-color: var(--tech-blue);
    background: rgba(13,110,253,0.15);
}

.btn-nav-primary {
    padding: 8px 20px;
    font-size: 13px;
    color: var(--white);
    background: linear-gradient(135deg, var(--tech-blue), var(--galaxy-purple));
    border-radius: 20px;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-nav-primary:hover {
    box-shadow: 0 4px 20px rgba(13,110,253,0.4);
    transform: translateY(-1px);
}

/* ============================================================
   Hero Banner - 3D 动态场景
   ============================================================ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 900px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #0A1E4A 0%, #020C24 70%);
}

/* 粒子Canvas */
#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 3D地球 */
.hero-globe {
    position: absolute;
    right: -120px;
    top: 50%;
    transform: translateY(-50%);
    width: 700px;
    height: 700px;
    z-index: 2;
    pointer-events: none;
}

.globe-sphere {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, rgba(13,110,253,0.3), rgba(74,58,255,0.15) 40%, rgba(7,29,73,0.8) 70%, transparent 100%);
    box-shadow:
        inset 0 0 100px rgba(13,110,253,0.2),
        0 0 120px rgba(13,110,253,0.08),
        0 0 60px rgba(74,58,255,0.06);
    animation: globeFloat 8s ease-in-out infinite;
    border: 1px solid rgba(13,110,253,0.15);
}

.globe-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    width: 520px;
    height: 520px;
    border-radius: 50%;
    border: 1px solid rgba(13,110,253,0.2);
    animation: ringRotate 12s linear infinite;
}

.globe-ring-2 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg) rotateY(30deg);
    width: 540px;
    height: 540px;
    border-radius: 50%;
    border: 1px solid rgba(74,58,255,0.12);
    animation: ringRotate 18s linear infinite reverse;
}

@keyframes globeFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
    to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

/* ============================================================
   非遗主题轮播背景 (替换原 蓝色球体+粒子 背景)
   ============================================================ */
.hero-carousel {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center center;
    opacity: 0;
    transform: scale(1.03);
    transition: opacity 1.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 6s cubic-bezier(0.25, 0, 0.15, 1);
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1.0);
}

.hero-carousel-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 2;
    background: linear-gradient(
        180deg,
        rgba(2,12,36,0.15) 0%,
        rgba(2,12,36,0.35) 50%,
        rgba(2,12,36,0.7) 100%
    ),
    radial-gradient(ellipse at 30% 40%, rgba(13,110,253,0.08) 0%, transparent 60%);
    pointer-events: none;
}

/* 轮播图叠加文字 */
.slide-caption {
    position: absolute;
    bottom: 80px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    text-shadow: 0 2px 12px rgba(0,0,0,0.5);
    padding: 10px 28px;
    background: rgba(2,12,36,0.45);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 1.5s ease;
    white-space: nowrap;
    pointer-events: none;
}
.hero-slide.active .slide-caption {
    opacity: 1;
}

/* 政策背书小字 */
.hero-policy {
    font-size: 15px;
    color: var(--gold);
    margin-bottom: 28px;
    font-weight: 500;
    letter-spacing: 1px;
}

/* Hero内容 */
.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1920px;
    width: 100%;
    padding: 0 80px;
    margin-top: -60px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(13,110,253,0.12);
    border: 1px solid rgba(13,110,253,0.25);
    border-radius: 20px;
    font-size: 13px;
    color: var(--tech-blue-light);
    margin-bottom: 28px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--tech-blue);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #FFFFFF 0%, #A8D0FF 50%, #FFFFFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 48px;
    max-width: 560px;
}

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

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--tech-blue), #2563EB);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    border-radius: 30px;
    transition: all var(--transition);
    box-shadow: 0 8px 32px rgba(13,110,253,0.35);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(13,110,253,0.5);
}

.btn-hero-outline {
    display: inline-flex;
    align-items: center;
    padding: 16px 36px;
    border: 1.5px solid rgba(255,255,255,0.25);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    border-radius: 30px;
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}

.btn-hero-outline:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.06);
    transform: translateY(-2px);
}

.btn-hero-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: transparent;
    border: 1.5px solid var(--gold);
    color: var(--gold);
    font-size: 16px;
    font-weight: 500;
    border-radius: 30px;
    transition: all var(--transition);
}

.btn-hero-gold:hover {
    background: rgba(212,175,55,0.1);
    box-shadow: 0 8px 32px rgba(212,175,55,0.2);
    transform: translateY(-2px);
}

/* 城市轮播 */
.city-carousel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 280px;
    z-index: 5;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

.carousel-slide {
    min-width: 340px;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
    border-right: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2,12,36,0.9) 0%, rgba(2,12,36,0.3) 50%, transparent 100%);
}

.slide-info {
    position: absolute;
    bottom: 24px;
    left: 24px;
    z-index: 2;
}

.slide-city {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.slide-spot {
    font-size: 14px;
    color: var(--text-secondary);
}

.carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-dot.active {
    background: var(--tech-blue);
    box-shadow: 0 0 10px rgba(13,110,253,0.6);
    width: 24px;
    border-radius: 4px;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.carousel-arrow:hover {
    background: rgba(13,110,253,0.2);
    border-color: var(--tech-blue);
}

.carousel-arrow.prev {
    left: 24px;
}

.carousel-arrow.next {
    right: 24px;
}

/* 向下滚动提示 */
.hero-scroll-hint {
    position: absolute;
    bottom: 300px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--tech-blue);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 20px; opacity: 0.3; }
}

/* ============================================================
   通用区块样式
   ============================================================ */
.section {
    position: relative;
    padding: 120px 0;
    background: var(--bg-dark);
    overflow: hidden;
}

.section:nth-child(even) {
    background: var(--bg-section);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 48px;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--tech-blue);
    margin-bottom: 16px;
    padding: 4px 16px;
    border: 1px solid rgba(13,110,253,0.2);
    border-radius: 4px;
}

.section-tag.gold {
    color: var(--gold);
    border-color: rgba(212,175,55,0.3);
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.section-title.gold-text {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
}

.section-more {
    text-align: right;
    margin-top: 40px;
}

.more-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--tech-blue);
    transition: all var(--transition);
}

.more-link:hover {
    gap: 14px;
    color: var(--tech-blue-light);
}

/* ============================================================
   旅游度假板块
   ============================================================ */
.travel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.travel-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.travel-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-glow), var(--shadow-card);
    border-color: rgba(13,110,253,0.2);
}

.card-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.travel-card:hover .card-image img {
    transform: scale(1.08);
}

.card-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2,12,36,0.6), transparent 60%);
}

.card-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    background: var(--tech-blue);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    z-index: 2;
}

.card-tag.accent {
    background: var(--galaxy-purple);
}

.card-content {
    padding: 28px;
}

.card-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.card-tags span {
    padding: 4px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 4px;
}

.card-content p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--tech-blue);
    transition: all var(--transition);
}

.card-link span {
    transition: transform var(--transition);
}

.travel-card:hover .card-link span {
    transform: translateX(4px);
}

/* ============================================================
   全程陪护板块
   ============================================================ */
.section-care {
    background: radial-gradient(ellipse at 50% 0%, #0A1E3D 0%, var(--bg-dark) 70%);
}

.care-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.care-card {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 20px 32px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    backdrop-filter: blur(10px);
    text-align: left;
}

.care-card:hover {
    background: rgba(13,110,253,0.05);
    border-color: rgba(13,110,253,0.2);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.care-avatar {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.care-card:hover .care-avatar {
    box-shadow: 0 6px 28px rgba(13,110,253,0.2);
}

.care-info {
    flex: 1;
    min-width: 0;
}

.care-info h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.care-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ============================================================
   非遗主题板块
   ============================================================ */
.section-heritage {
    background: radial-gradient(ellipse at 50% 50%, #0D1525 0%, var(--bg-dark) 70%);
}

.heritage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.heritage-card {
    position: relative;
    padding: 48px 40px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition);
    min-height: 420px;
}

.heritage-card.material {
    background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(212,175,55,0.02));
    border: 1px solid rgba(212,175,55,0.15);
}

.heritage-card.intangible {
    background: linear-gradient(135deg, rgba(200,30,30,0.08), rgba(200,30,30,0.02));
    border: 1px solid rgba(200,30,30,0.15);
}

.heritage-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.heritage-pattern {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    opacity: 0.06;
    pointer-events: none;
}

.heritage-card.material .heritage-pattern {
    background: var(--gold);
}

.heritage-card.intangible .heritage-pattern {
    background: #C81E1E;
}

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

.heritage-type {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 12px;
    padding: 4px 12px;
    border-radius: 4px;
}

.heritage-card.material .heritage-type {
    color: var(--gold);
    border: 1px solid rgba(212,175,55,0.3);
}

.heritage-card.intangible .heritage-type {
    color: #E84040;
    border: 1px solid rgba(232,64,64,0.3);
}

.heritage-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 32px;
}

.heritage-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.heritage-list.intangible-list {
    grid-template-columns: 1fr 1fr 1fr;
}

.heritage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.05);
    transition: all var(--transition);
    cursor: pointer;
}

.heritage-item:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.12);
}

.item-img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}

.heritage-item span {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.intangible-item {
    justify-content: center;
    flex-direction: column;
    gap: 8px;
    padding: 20px 14px;
}

.ich-icon {
    font-size: 28px;
}

/* ============================================================
   核心优势板块
   ============================================================ */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.advantage-card {
    text-align: center;
    padding: 56px 28px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--tech-blue), var(--galaxy-purple), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow), var(--shadow-card);
    border-color: rgba(13,110,253,0.2);
}

.adv-icon-wrap {
    margin-bottom: 20px;
}

.adv-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(13,110,253,0.08);
    color: var(--tech-blue-light);
    transition: all var(--transition);
}

.advantage-card:hover .adv-icon {
    background: rgba(13,110,253,0.15);
    box-shadow: 0 0 40px rgba(13,110,253,0.25);
}

.adv-number {
    font-size: 48px;
    font-weight: 800;
    color: rgba(255,255,255,0.04);
    position: absolute;
    top: 16px;
    right: 24px;
    pointer-events: none;
}

.advantage-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================================
   合作生态板块
   ============================================================ */
.section-partners {
    background: var(--bg-section);
}

.partner-categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.partner-cat {
    padding: 10px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
    border-radius: 24px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.partner-cat:hover,
.partner-cat.active {
    color: var(--white);
    border-color: var(--tech-blue);
    background: rgba(13,110,253,0.1);
}

.partner-wall {
    overflow: hidden;
    position: relative;
}

.partner-wall::before,
.partner-wall::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.partner-wall::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-section), transparent);
}

.partner-wall::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-section), transparent);
}

.partner-scroll {
    display: flex;
    animation: partnerScroll 30s linear infinite;
}

.partner-logos {
    display: flex;
    gap: 32px;
    flex-shrink: 0;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    height: 80px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    cursor: pointer;
}

.partner-logo span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.partner-logo:hover {
    border-color: var(--tech-blue);
    background: rgba(13,110,253,0.08);
    box-shadow: 0 0 30px rgba(13,110,253,0.1);
}

.partner-logo:hover span {
    color: var(--white);
}

@keyframes partnerScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============================================================
   关于我们板块
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-video-cover {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, rgba(13,110,253,0.15), rgba(74,58,255,0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-medium);
    position: relative;
    overflow: hidden;
}

.about-video-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(13,110,253,0.1), transparent 70%);
}

.play-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tech-blue), var(--galaxy-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    z-index: 1;
    transition: all var(--transition);
    box-shadow: 0 8px 40px rgba(13,110,253,0.4);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 50px rgba(13,110,253,0.6);
}

.video-pulse {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid rgba(13,110,253,0.3);
    animation: videoPulse 2s ease-out infinite;
}

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

.about-info {
    padding: 20px 0;
}

.about-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 36px;
}

.about-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 28px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--tech-blue), var(--tech-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ============================================================
   页脚 Footer
   ============================================================ */
.footer {
    background: #020816;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 80px 0 0;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 48px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 1fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
}

.footer-brand-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--tech-blue-light);
}

.footer-qr {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
}

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

.qr-code {
    margin-bottom: 8px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qr-item span {
    font-size: 12px;
    color: var(--text-muted);
}

.footer-bottom {
    padding: 32px 0;
    text-align: center;
}

.footer-cert,
.footer-legal {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.sep {
    margin: 0 12px;
    color: rgba(255,255,255,0.1);
}

.footer-copy {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
}

/* ============================================================
   响应式设计
   ============================================================ */
@media (max-width: 1440px) {
    .hero-title {
        font-size: 56px;
    }
    .hero-globe {
        width: 500px;
        height: 500px;
        right: -180px;
    }
    .globe-sphere {
        width: 360px;
        height: 360px;
    }
    .globe-ring {
        width: 380px;
        height: 380px;
    }
    .globe-ring-2 {
        width: 400px;
        height: 400px;
    }
    .section-title {
        font-size: 40px;
    }
}

@media (max-width: 1200px) {
    .nav-center {
        gap: 0;
    }
    .nav-link {
        padding: 8px 10px;
        font-size: 13px;
    }
    .hero-content {
        padding: 0 40px;
    }
    .hero-title {
        font-size: 44px;
    }
    .hero-globe {
        display: none;
    }
    .travel-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .care-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .footer-qr {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
        height: 60px;
    }
    .nav-center {
        display: none;
    }
    .nav-right {
        gap: 2px;
    }
    .nav-action {
        padding: 6px 8px;
        font-size: 11px;
    }
    .hero {
        min-height: 700px;
    }
    .hero-content {
        padding: 0 24px;
        margin-top: 0;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .city-carousel {
        height: 180px;
    }
    .carousel-slide {
        min-width: 200px;
    }
    .section {
        padding: 60px 0;
    }
    .section-container {
        padding: 0 24px;
    }
    .section-title {
        font-size: 28px;
    }
    .travel-grid,
    .care-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .care-card {
        gap: 16px;
        padding: 16px 20px;
    }
    .care-avatar {
        width: 72px;
        height: 72px;
    }
    .care-info h3 {
        font-size: 17px;
    }
    .care-info p {
        font-size: 12px;
    }
    .heritage-grid {
        grid-template-columns: 1fr;
    }
    .heritage-list {
        grid-template-columns: 1fr 1fr;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
}