/* ============================================
   广东惠来介绍网站 - 样式表
   ============================================ */

/* === CSS Variables === */
:root {
    --color-primary: #0d6b7d;
    --color-primary-light: #1a8ba0;
    --color-primary-dark: #094f5e;
    --color-accent: #e8953b;
    --color-accent-light: #f5b86b;
    --color-gold: #c8a452;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-text-lighter: #8e9aab;
    --color-bg: #f8f9fb;
    --color-bg-dark: #0a1628;
    --color-white: #ffffff;
    --color-border: #e8ecf1;
    --color-card-bg: #ffffff;

    --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.12);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    --transition-smooth: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-smooth);
    padding: 16px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar:not(.scrolled) .nav-logo {
    color: var(--color-white);
}

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

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
}

.navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.navbar.scrolled .nav-link {
    color: var(--color-text);
}

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

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

.navbar:not(.scrolled) .nav-link:hover {
    color: var(--color-white);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-primary);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-text);
}

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

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

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

/* === Hero Section === */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a1628 0%, #0d2b3e 25%, #0f3d5c 50%, #0d6b7d 75%, #0b4f6b 100%);
    overflow: hidden;
}

/* Ocean wave animation */
.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 300px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(13, 107, 125, 0.1) 40%,
        rgba(13, 107, 125, 0.2) 70%,
        rgba(9, 79, 94, 0.3) 100%
    );
    animation: waveMove 12s ease-in-out infinite;
}

@keyframes waveMove {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(2%) translateY(-10px); }
    50% { transform: translateX(0) translateY(-5px); }
    75% { transform: translateX(-2%) translateY(-12px); }
}

/* Bubbles */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.02) 0%, transparent 45%);
    animation: shimmer 6s ease-in-out infinite alternate;
}

@keyframes shimmer {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10, 22, 40, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    padding: 0 24px;
}

.hero-subtitle {
    font-size: 1.1rem;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 5.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 28px;
    animation: fadeInUp 1s ease 0.4s both;
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--color-accent-light);
    font-size: 7rem;
    text-shadow: 0 4px 30px rgba(232, 149, 59, 0.3);
}

.hero-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 48px;
    font-weight: 300;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-btn {
    display: inline-block;
    padding: 16px 48px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 2px;
    transition: all var(--transition);
    animation: fadeInUp 1s ease 0.8s both;
    box-shadow: 0 8px 30px rgba(232, 149, 59, 0.3);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(232, 149, 59, 0.4);
    background: var(--color-accent-light);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    /* left: 50%; */
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 3;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease 1s both;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 24px; }
}

/* === Section Common Styles === */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 16px;
    position: relative;
}

.section-tag::before,
.section-tag::after {
    content: '';
    display: inline-block;
    width: 30px;
    height: 2px;
    background: var(--color-primary-light);
    vertical-align: middle;
    margin: 0 12px;
    opacity: 0.5;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-lighter);
    font-weight: 300;
    letter-spacing: 1px;
}

/* === About Section === */
.about {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition-smooth);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

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

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border);
}

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

.about-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.about-card:hover .about-icon {
    transform: scale(1.1);
}

.about-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.about-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

/* === Attractions Section === */
.attractions {
    background: var(--color-bg);
}

.attractions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.attraction-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

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

.attraction-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.attraction-img {
    position: relative;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.attraction-card.featured .attraction-img {
    height: 100%;
    min-height: 280px;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.img-placeholder svg {
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    color: var(--color-white);
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.attraction-body {
    padding: 24px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.attraction-body h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.attraction-body p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
    flex: 1;
}

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

.card-tags span {
    font-size: 0.78rem;
    color: var(--color-primary-light);
    background: rgba(13, 107, 125, 0.08);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

/* === Cuisine Section === */
.cuisine {
    background: var(--color-white);
}

.cuisine-showcase {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.cuisine-item {
    display: flex;
    gap: 32px;
    padding: 36px 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
    align-items: flex-start;
}

.cuisine-item:last-child {
    border-bottom: none;
}

.cuisine-item:hover {
    padding-left: 16px;
}

.cuisine-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary-light);
    opacity: 0.3;
    line-height: 1;
    min-width: 70px;
    transition: all var(--transition);
}

.cuisine-item:hover .cuisine-number {
    opacity: 0.7;
    color: var(--color-accent);
}

.cuisine-content h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
}

.cuisine-desc {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

/* === Specialties Section === */
.specialties {
    background: var(--color-bg);
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.specialty-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.specialty-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.specialty-icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: transform var(--transition);
}

.specialty-card:hover .specialty-icon-wrap {
    transform: rotate(5deg) scale(1.1);
}

.specialty-emoji {
    font-size: 2.2rem;
}

.specialty-card h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

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

/* === Stats Section === */
.stats {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    color: var(--color-white);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
    letter-spacing: 2px;
}

/* === Footer === */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-links h4,
.footer-info h4 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer-links ul,
.footer-info ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    transition: color var(--transition);
    font-size: 0.95rem;
}

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

.footer-info li {
    font-size: 0.95rem;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
}

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

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }

    .title-line.accent {
        font-size: 5rem;
    }

    .about-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

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

    .attraction-card.featured {
        grid-column: span 2;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 80px 40px;
        transition: right var(--transition-smooth);
        box-shadow: var(--shadow-xl);
        z-index: 1000;
    }

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

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

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .title-line.accent {
        font-size: 3.8rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .attraction-card.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .attraction-card.featured .attraction-img {
        height: 200px;
        min-height: 200px;
    }

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

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .cuisine-item {
        flex-direction: column;
        gap: 12px;
    }

    .cuisine-number {
        font-size: 2rem;
        min-width: auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .section-tag::before,
    .section-tag::after {
        width: 20px;
        margin: 0 8px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .title-line.accent {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        letter-spacing: 4px;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .section {
        padding: 48px 0;
    }

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

    .stat-number {
        font-size: 2rem;
    }
}