/* ===== 全局重置 & 变量 ===== */
:root {
    --primary: #f97316;
    --primary-dark: #d97706;
    --primary-light: #ffedd5;
    --secondary: #92400e;
    --accent: #06b6d4;
    --bg-light: #fff7ed;
    --bg-white: #ffffff;
    --text-dark: #1c1917;
    --text-muted: #78716c;
    --text-light: #a8a29e;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-subtitle {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 6px 18px;
    border-radius: 30px;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.section-desc {
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    padding: 12px 28px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.5);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border: 1.5px solid var(--text-light);
    padding: 8px 18px;
    font-size: 0.9rem;
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
}

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 247, 237, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(249, 115, 22, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}

.navbar-brand i {
    font-size: 1.6rem;
}

.navbar-menu ul {
    display: flex;
    gap: 8px;
}

.navbar-menu a {
    padding: 8px 16px;
    border-radius: 30px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 0.95rem;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--primary);
    background: var(--primary-light);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--text-dark);
    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 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: linear-gradient(135deg, #ffedd5 0%, #fff7ed 50%, #fef3c7 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(249, 115, 22, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

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

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(249, 115, 22, 0.12);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text .highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 35px;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

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

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

.hero-image {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.hero-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-radius: var(--radius);
    padding: 24px 28px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.6);
    width: 100%;
    max-width: 360px;
    transition: var(--transition);
}

.hero-card:hover {
    transform: translateY(-4px);
}

.hero-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.hero-card h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

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

.progress-bar {
    height: 8px;
    background: var(--primary-light);
    border-radius: 10px;
    margin: 12px 0 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
}

.progress-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-2 {
    margin-left: 40px;
}

/* ===== Features ===== */
.features {
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(249, 115, 22, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light), #fff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Menu ===== */
.menu {
    background: var(--bg-light);
}

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

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    border: 2px solid var(--text-light);
    background: transparent;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.filter-btn.active,
.filter-btn:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.menu-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: default;
}

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

.menu-card-img {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: #fff;
}

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

.menu-card-body h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.menu-card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

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

.menu-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.menu-price small {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-light);
}

.menu-tag {
    font-size: 0.75rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

/* ===== Process ===== */
.process {
    background: var(--bg-white);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.step {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 24px 20px;
    flex: 1;
    min-width: 200px;
    max-width: 260px;
    text-align: center;
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

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

.step-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 8px;
}

.step-content h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 40px;
    color: var(--primary);
    font-size: 1.4rem;
}

/* ===== FAQ ===== */
.faq {
    background: var(--bg-light);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--primary-light);
}

.faq-question i {
    transition: var(--transition);
    color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 22px;
    color: var(--text-muted);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 22px 18px;
}

/* ===== Contact ===== */
.contact {
    background: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin: 10px 0 16px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.8;
}

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

.contact-details li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.95rem;
}

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

.contact-wechat {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    background: var(--bg-light);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.contact-wechat i.fa-weixin {
    color: #07c160;
    font-size: 1.5rem;
}

.wechat-qr-placeholder {
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-light);
    border: 2px dashed var(--text-light);
    margin-left: auto;
}

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

.contact-form h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
    text-align: center;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.contact-form textarea {
    height: 100px;
    resize: vertical;
    margin-bottom: 14px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    font-size: 0.9rem;
}

.form-checkbox a {
    color: var(--primary);
    text-decoration: underline;
}

.form-tip {
    text-align: center;
    color: var(--text-light);
    font-size: 0.8rem;
    margin-top: 12px;
}

/* ===== Footer ===== */
.footer {
    background: #1c1917;
    color: #d6d3d1;
    padding: 60px 0 0;
}

.footer-content {
    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 i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.footer-brand span {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    display: block;
    margin-bottom: 8px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: #a8a29e;
}

.footer-links h4 {
    color: #fff;
    margin-bottom: 16px;
    font-size: 1rem;
}

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

.footer-links a {
    color: #a8a29e;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.footer-newsletter h4 {
    color: #fff;
    margin-bottom: 16px;
}

.newsletter-box {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.newsletter-box input {
    flex: 1;
    padding: 12px 16px;
    border-radius: 50px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-family: inherit;
    outline: none;
}

.newsletter-box input::placeholder {
    color: #a8a29e;
}

.newsletter-box button {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d6d3d1;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary);
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.85rem;
    color: #78716c;
}

.footer-bottom a {
    color: #a8a29e;
}

.footer-bottom a:hover {
    color: var(--primary);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text {
        max-width: 100%;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-image {
        display: none;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        padding: 20px;
        border-bottom: 1px solid rgba(249, 115, 22, 0.1);
        transform: translateY(-120%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    .navbar-menu.open {
        transform: translateY(0);
    }
    .navbar-menu ul {
        flex-direction: column;
        gap: 6px;
    }
    .navbar-menu a {
        display: block;
        padding: 12px 16px;
    }
    .hamburger {
        display: flex;
    }
    .hero-text h1 {
        font-size: 2.2rem;
    }
    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
    }
    .stat-number {
        font-size: 1.5rem;
    }
    .section {
        padding: 50px 0;
    }
    .section-header h2 {
        font-size: 1.6rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .menu-grid {
        grid-template-columns: 1fr;
    }
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    .step {
        max-width: 100%;
    }
    .step-arrow {
        transform: rotate(90deg);
        padding: 0;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .contact-form {
        padding: 24px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .hero-buttons .btn-lg {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    .navbar-brand .brand-text {
        font-size: 1.1rem;
    }
    .menu-card-img {
        height: 150px;
        font-size: 2.5rem;
    }
}