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

:root {
    --primary: #d97706;
    --primary-dark: #b45309;
    --primary-light: #f59e0b;
    --secondary: #ea580c;
    --accent: #f97316;
    --bg-cream: #fffaf0;
    --bg-warm: #fef3c7;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
    --radius: 18px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

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

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

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

/* ============================
   导航栏
   ============================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 250, 240, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

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

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

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-muted);
    padding: 6px 0;
    position: relative;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width var(--transition);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cart-btn {
    position: relative;
    font-size: 1.4rem;
    color: var(--text-dark);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition);
    padding: 8px;
}

.cart-btn:hover {
    color: var(--primary);
}

.cart-badge {
    position: absolute;
    top: 0;
    right: -2px;
    background: var(--secondary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-cream);
}

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

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 4px;
    transition: var(--transition);
}

/* ============================
   购物车侧栏
   ============================ */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -380px;
    width: 360px;
    max-width: 90vw;
    height: 100vh;
    background: var(--white);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.1);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #f1f1f1;
}

.cart-header h3 {
    font-size: 1.2rem;
}

.cart-close {
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: color var(--transition);
}

.cart-close:hover {
    color: var(--text-dark);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.empty-cart {
    text-align: center;
    color: var(--text-muted);
    margin-top: 40px;
    font-size: 0.95rem;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
}

.cart-item img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.cart-item-info p {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-item-qty button {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid #ddd;
    background: var(--white);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.cart-item-qty button:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.cart-item-qty span {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-footer {
    padding: 20px 24px;
    border-top: 1px solid #f1f1f1;
    background: #fafafa;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.cart-total strong {
    font-size: 1.3rem;
    color: var(--primary-dark);
}

.btn-checkout {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-checkout:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(217, 119, 6, 0.35);
}

/* 遮罩 */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.overlay.show {
    opacity: 1;
    pointer-events: all;
}

/* ============================
   Hero
   ============================ */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #fef3c7 0%, #fffaf0 60%, #ffedd5 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 32px;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(217, 119, 6, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--white);
    color: var(--text-dark);
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 32px;
}

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

.stat-num {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-dark);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 460px;
}

.hero-img-wrapper img {
    width: 100%;
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transform: rotate(-2deg);
    transition: transform 0.4s;
}

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

.floating-tag {
    position: absolute;
    background: var(--white);
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    animation: float 3s ease-in-out infinite;
}

.tag-1 {
    top: 12%;
    right: -10%;
    color: var(--secondary);
}

.tag-2 {
    bottom: 18%;
    left: -8%;
    color: var(--primary);
    animation-delay: 1.2s;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

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

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

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-dark);
}

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

/* ============================
   菜单筛选
   ============================ */
.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    border: 2px solid transparent;
    background: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.filter-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.25);
}

/* ============================
   菜单卡片网格
   ============================ */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.menu-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

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

.menu-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.4s;
}

.menu-card:hover .menu-card-img {
    transform: scale(1.04);
}

.menu-card-body {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.menu-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.menu-card-body .desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
    flex: 1;
}

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

.menu-card-footer .price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.menu-card-footer .price::before {
    content: '¥';
    font-size: 0.9rem;
}

.add-cart-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-cart-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

/* ============================
   特色卡片
   ============================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 2.4rem;
    color: var(--accent);
    margin-bottom: 16px;
    background: var(--bg-warm);
    width: 70px;
    height: 70px;
    line-height: 70px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================
   评价区域
   ============================ */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

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

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

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-warm);
}

.review-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.review-stars {
    color: #fbbf24;
    font-size: 0.9rem;
    margin-top: 2px;
}

.review-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 10px;
}

.review-date {
    font-size: 0.8rem;
    color: #aaa;
}

/* ============================
   联系区域
   ============================ */
.contact-section {
    background: linear-gradient(135deg, #fef3c7, #fffaf0);
}

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

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.contact-list {
    list-style: none;
    margin-bottom: 24px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.contact-list li i {
    width: 24px;
    color: var(--primary);
    font-size: 1.2rem;
}

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

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--text-muted);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

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

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

.contact-form h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #f1f1f1;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    margin-bottom: 16px;
    transition: border-color var(--transition);
    outline: none;
    background: #fafafa;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    background: var(--white);
}

.contact-form button {
    width: 100%;
}

/* ============================
   页脚
   ============================ */
.footer {
    background: var(--text-dark);
    color: #ccc;
    padding: 32px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* ============================
   模态框
   ============================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal.show {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--white);
    max-width: 480px;
    width: 90%;
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-body {
    text-align: center;
}

.modal-body img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    max-height: 240px;
    object-fit: cover;
}

.modal-body h2 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.modal-body .modal-desc {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.modal-body .modal-price {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.modal-add-btn {
    padding: 12px 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.modal-add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.3);
}

/* ============================
   响应式
   ============================ */
@media (max-width: 900px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.4rem;
    }

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

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

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

    .hero-img-wrapper {
        max-width: 360px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 20px 0;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        border-radius: 0 0 var(--radius) var(--radius);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links a {
        padding: 14px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f5f5f5;
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

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

    .menu-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .cart-sidebar {
        width: 300px;
    }
}

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

    .hero {
        padding: 100px 0 60px;
    }

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

    .hero-stats {
        gap: 20px;
    }

    .stat-num {
        font-size: 1.4rem;
    }

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

    .filter-tabs {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .contact-form {
        padding: 24px;
    }
}