/* ===== 全局重置 & 变量 ===== */
:root {
    --color-primary: #d97706;
    --color-primary-dark: #b45309;
    --color-primary-light: #f59e0b;
    --color-bg: #fef6ee;
    --color-bg-card: #ffffff;
    --color-text: #2d1b0e;
    --color-text-light: #6b4c3b;
    --color-accent: #dc2626;
    --color-success: #10b981;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-md: 0 12px 28px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.15);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(254, 246, 238, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 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: 8px;
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--color-primary-dark);
}

.logo i {
    font-size: 1.8rem;
    color: var(--color-accent);
    transition: transform 0.4s ease;
}

.logo:hover i {
    transform: rotate(20deg) scale(1.1);
}

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

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-primary);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary-dark);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--color-text);
    border-radius: 4px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 40%, #fbbf24 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(217,119,6,0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(220,38,38,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text .hero-badge {
    display: inline-block;
    background: rgba(217,119,6,0.12);
    padding: 6px 18px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero-text h1 {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--color-text);
}

.highlight {
    background: linear-gradient(135deg, #d97706, #dc2626);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin-bottom: 32px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    box-shadow: 0 8px 24px rgba(217,119,6,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(217,119,6,0.4);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-3px);
}

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

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-card {
    width: 100%;
    max-width: 460px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: perspective(800px) rotateY(-4deg) rotateX(2deg);
    transition: var(--transition);
    position: relative;
}

.hero-card:hover {
    transform: perspective(800px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.hero-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.hero-card-tag {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 40px;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-deco {
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    opacity: 0.15;
    z-index: -1;
}

.deco-1 {
    background: var(--color-primary);
    top: -30px;
    right: -20px;
    animation: float 6s ease-in-out infinite;
}

.deco-2 {
    background: var(--color-accent);
    bottom: -30px;
    left: -20px;
    animation: float 8s ease-in-out infinite reverse;
}

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

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

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

/* ===== 通用 Section 样式 ===== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    background: rgba(217,119,6,0.1);
    padding: 4px 18px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== 特色卡片 ===== */
.features {
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--color-bg);
    padding: 36px 28px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(217,119,6,0.06);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(217,119,6,0.15);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #fde68a, #fbbf24);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-primary-dark);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

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

/* ===== 菜单区域 ===== */
.menu {
    background: var(--color-bg);
}

.menu-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 26px;
    border-radius: 60px;
    background: #fff;
    border: 1.5px solid #e5e7eb;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--color-text);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(217,119,6,0.25);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.menu-card {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #f3f0ea;
    display: flex;
    flex-direction: column;
}

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

.menu-card-image {
    height: 180px;
    background: #f3f0ea;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-primary-light);
    position: relative;
    overflow: hidden;
}

.menu-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.menu-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 40px;
}

.menu-card-body {
    padding: 20px 20px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.menu-card-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.menu-card-body .desc {
    color: var(--color-text-light);
    font-size: 0.9rem;
    flex: 1;
    margin-bottom: 16px;
}

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

.menu-price {
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--color-accent);
}

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

.btn-add {
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

/* ===== 评价区 ===== */
.testimonials {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(217,119,6,0.08);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stars {
    color: #f59e0b;
    margin-bottom: 16px;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.testimonial-card p {
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-primary-light);
}

.testimonial-author strong {
    display: block;
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ===== 联系我们 ===== */
.contact {
    background: #fff;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.contact-info p {
    color: var(--color-text-light);
    margin-bottom: 28px;
}

.contact-list {
    margin-bottom: 24px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.98rem;
    color: var(--color-text);
    border-bottom: 1px solid #f3f0ea;
}

.contact-list li i {
    width: 24px;
    color: var(--color-primary);
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    transition: var(--transition);
    border: 1px solid #e5e7eb;
}

.social-links a:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

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

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.98rem;
    background: #fff;
    transition: var(--transition);
    outline: none;
}

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

.error-msg {
    display: none;
    color: var(--color-accent);
    font-size: 0.8rem;
    margin-top: 4px;
    padding-left: 4px;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--color-accent);
}

.form-group.error .error-msg {
    display: block;
}

.form-success {
    display: none;
    background: #d1fae5;
    color: #065f46;
    padding: 20px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    margin-top: 16px;
}

.form-success i {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

/* ===== 页脚 ===== */
.footer {
    background: #2d1b0e;
    color: #f5f0eb;
    padding: 60px 0 0;
}

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

.footer-brand .logo {
    color: #fbbf24;
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.footer-brand p {
    color: #b8a594;
    max-width: 300px;
    line-height: 1.7;
}

.footer-links h4,
.footer-hours h4 {
    color: #fbbf24;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

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

.footer-links ul li a {
    color: #b8a594;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: #fbbf24;
}

.footer-hours p {
    color: #b8a594;
    line-height: 1.7;
}

.footer-tagline {
    margin-top: 12px;
    font-style: italic;
    color: #d97706;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    color: #8a7a6b;
    font-size: 0.9rem;
}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    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;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

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

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-card {
        max-width: 400px;
        margin: 0 auto;
        transform: none;
    }

    .hero-card:hover {
        transform: scale(1.02);
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: rgba(254, 246, 238, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 80px 30px 40px;
        gap: 20px;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .hamburger {
        display: flex;
    }

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

    .hero-card img {
        height: 260px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .menu-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

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

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

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

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

    .hero-text p {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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

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

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}