/* ===== 全局重置与基类 ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #d97706;
    --primary-dark: #b45309;
    --primary-light: #f59e0b;
    --accent: #ea580c;
    --bg-warm: #fdf2e9;
    --bg-cream: #fff7ed;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background: var(--bg-warm);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(217, 119, 6, 0.08);
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}

.section-header h2 .highlight {
    color: var(--primary);
}

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

.highlight {
    color: var(--primary);
}

.badge {
    display: inline-block;
    background: rgba(217, 119, 6, 0.12);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 4px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: background 0.35s ease, box-shadow 0.35s ease;
    padding: 16px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.logo i {
    color: var(--primary);
    font-size: 1.8rem;
}

.navbar.scrolled .logo {
    font-size: 1.4rem;
}

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

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-menu ul li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding-bottom: 4px;
    position: relative;
    transition: var(--transition);
}

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

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

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

.btn-order-nav {
    padding: 8px 24px;
    font-size: 0.9rem;
    border-radius: 100px;
    background: var(--primary);
    color: var(--white) !important;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-order-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.35);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger .bar {
    width: 28px;
    height: 2.5px;
    background: var(--text-dark);
    border-radius: 4px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 30%, #fdf2e9 70%);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text .badge {
    background: rgba(217, 119, 6, 0.15);
    font-size: 0.9rem;
    padding: 6px 20px;
}

.hero-text h1 {
    font-family: var(--font-serif);
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1.2;
    margin: 16px 0 20px;
    color: var(--text-dark);
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(217, 119, 6, 0.4);
}

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

.btn-outline:hover {
    background: var(--text-dark);
    color: var(--white);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stats div {
    display: flex;
    flex-direction: column;
}

.hero-stats span {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.hero-stats small {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin-left: auto;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 4/3;
    transform: rotate(2deg);
    transition: var(--transition);
}

.hero-img:hover {
    transform: rotate(0deg) scale(1.02);
}

.floating-tag {
    position: absolute;
    background: var(--white);
    padding: 10px 20px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: float 3s ease-in-out infinite;
}

.floating-tag i {
    color: var(--primary);
}

.tag-1 {
    top: -10px;
    left: -20px;
    animation-delay: 0s;
}

.tag-2 {
    bottom: 20px;
    right: -20px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* ===== About ===== */
.about {
    padding: 100px 0;
    background: var(--bg-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.about-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

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

.about-card i {
    font-size: 2.4rem;
    color: var(--primary);
    margin-bottom: 16px;
    background: rgba(217, 119, 6, 0.08);
    padding: 16px;
    border-radius: 50%;
}

.about-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.about-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ===== Menu ===== */
.menu {
    padding: 100px 0;
    background: var(--bg-warm);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.menu-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.menu-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-md);
}

.menu-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.menu-card:hover img {
    transform: scale(1.05);
}

.menu-card-body {
    padding: 20px 22px 24px;
}

.menu-card-body h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.menu-card-body .desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.menu-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.menu-card-footer .price {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.menu-card-footer .price small {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-light);
}

.btn-small {
    padding: 8px 18px;
    border-radius: 100px;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-small:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* ===== Features ===== */
.features {
    padding: 100px 0;
    background: var(--bg-cream);
}

.features-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.features-text h2 {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    line-height: 1.3;
    margin-bottom: 16px;
}

.features-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-list li i {
    color: var(--primary);
    font-size: 1.2rem;
}

.features-visual {
    position: relative;
}

.features-visual img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
    object-fit: cover;
}

.play-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    color: var(--white);
    padding: 10px 22px;
    border-radius: 100px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
}

.play-badge:hover {
    background: var(--primary);
    transform: scale(1.05);
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-warm);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.testimonial-card {
    background: var(--white);
    padding: 28px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.testimonial-card .stars {
    color: #f59e0b;
    font-size: 1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 18px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-card .author img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-card .author strong {
    font-size: 0.95rem;
}

.testimonial-card .author small {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ===== Contact ===== */
.contact {
    padding: 100px 0;
    background: var(--bg-cream);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    line-height: 1.3;
    margin-bottom: 24px;
}

.contact-info ul {
    list-style: none;
    margin-bottom: 28px;
}

.contact-info ul li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0;
    font-size: 1rem;
    color: var(--text-dark);
}

.contact-info ul li i {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 119, 6, 0.08);
    border-radius: 50%;
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    color: var(--text-dark);
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(217, 119, 6, 0.3);
}

.contact-form {
    background: var(--white);
    padding: 36px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-form h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 20px;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    background: #fafafa;
    transition: var(--transition);
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.1);
    background: var(--white);
}

.contact-form textarea {
    resize: vertical;
    margin-bottom: 14px;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 16px;
}

.form-tip {
    font-size: 0.8rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 10px;
}

/* ===== Footer ===== */
.footer {
    background: #1e293b;
    color: #cbd5e1;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-brand i {
    font-size: 2rem;
    color: var(--primary-light);
}

.footer-brand span {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
}

.footer-brand p {
    font-size: 0.9rem;
    max-width: 280px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-newsletter h4 {
    color: var(--white);
    margin-bottom: 8px;
}

.footer-newsletter p {
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.newsletter-form {
    display: flex;
    gap: 0;
    border-radius: 100px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-form input {
    flex: 1;
    padding: 12px 18px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    font-size: 0.9rem;
    outline: none;
}

.newsletter-form input::placeholder {
    color: #64748b;
}

.newsletter-form button {
    padding: 12px 22px;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: #64748b;
}

/* ===== Back to Top ===== */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

#backToTop.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#backToTop:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image-wrapper {
        margin: 0 auto;
        max-width: 450px;
    }

    .hero-text h1 {
        font-size: 2.6rem;
    }

    .features-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 40px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        transition: right 0.4s ease;
        gap: 24px;
    }

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

    .nav-menu ul {
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu ul li a {
        font-size: 1.1rem;
    }

    .btn-order-nav {
        width: 100%;
        text-align: center;
        margin-top: 12px;
    }

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

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

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

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-stats span {
        font-size: 1.6rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .features-text h2 {
        font-size: 1.8rem;
    }

    .contact-info h2 {
        font-size: 1.8rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .newsletter-form {
        max-width: 320px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

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

    .hero-actions .btn {
        justify-content: center;
    }

    .floating-tag {
        display: none;
    }

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

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

    #backToTop {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
}