/* ==========================================================================
   “禾富茶號” 凤凰单丛推广单页 - 核心样式表
   设计风格：炭焙琥珀禅意 (Zen Chinese Aesthetic)
   ========================================================================== */

/* 1. 设计系统变量 (Design Tokens) */
:root {
    /* 核心色彩系统 */
    --color-paper: #fcfbfa;       /* 宣纸米白 */
    --color-coal: #141618;        /* 炭焙黑 */
    --color-coal-light: #25282b;  /* 浅炭黑 */
    --color-gold: #cfa15c;        /* 琥珀金 */
    --color-gold-hover: #b88d4c;  /* 深金 */
    --color-green: #5a785a;       /* 茶芽绿 */
    --color-text-main: #333639;   /* 正文深灰 */
    --color-text-muted: #767a7e;  /* 辅助文字灰 */
    --color-border: rgba(207, 161, 92, 0.2); /* 琥珀金半透明边框 */

    /* 字体系统 */
    --font-serif: "Noto Serif SC", "SimSun", "Songti SC", "Playfair Display", serif;
    --font-sans: "Noto Sans SC", "Inter", system-ui, sans-serif;
    --font-cursive: "Ma Shan Zheng", cursive, sans-serif;

    /* 边距与间隙 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* 容器宽度 */
    --max-width: 1200px;

    /* 过渡效果 */
    --transition-smooth: cubic-bezier(0.25, 1, 0.5, 1);
    --duration-normal: 0.4s;
    --duration-slow: 0.8s;
}

/* 2. 基础重置与规范 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-paper);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    line-height: 1.8;
    background-color: var(--color-paper);
}

/* 3. 辅助排版与布局组件 */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--color-coal);
    font-weight: 600;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
    font-weight: 300;
    letter-spacing: 0.02em;
    text-align: justify;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-normal) var(--transition-smooth);
}

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

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

.highlight {
    color: var(--color-gold);
    position: relative;
    display: inline-block;
}

/* 网页大容器 */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.grid-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

/* 4. 按钮系统 (Buttons) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2.2rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--duration-normal) var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-gold);
    color: #fff;
    border-color: var(--color-gold);
}

.btn-primary:hover {
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(207, 161, 92, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--color-coal);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-text {
    margin-right: 0.5rem;
}

.btn-icon {
    transition: transform var(--duration-normal) var(--transition-smooth);
}

.btn:hover .btn-icon {
    transform: translateX(5px);
}

/* 5. 模块共用小标签 (Section Badges) */
.section-badge {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.section-badge.light {
    color: rgba(255, 255, 255, 0.6);
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-desc-center {
    max-width: 700px;
    margin: 0 auto var(--spacing-lg) auto;
    font-size: 1.05rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* 6. Header 半透明毛玻璃导航 */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(252, 251, 250, 0.75);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid rgba(207, 161, 92, 0.08);
    transition: all var(--duration-normal) var(--transition-smooth);
}

.main-header.scrolled {
    background-color: rgba(252, 251, 250, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.2rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-coal);
    letter-spacing: 0.1em;
}

.logo-subtitle {
    font-family: var(--font-sans);
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--color-gold);
    letter-spacing: 0.35em;
    text-transform: uppercase;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-main);
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.4rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width var(--duration-normal) var(--transition-smooth);
}

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

.nav-link.active {
    font-weight: 500;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    cursor: pointer;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-coal);
    transition: all 0.3s;
}

/* 7. Hero Section 首屏 */
.hero-section {
    height: 100vh;
    min-height: 650px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    background: #141618 url('assets/hero-bg.png') center center/cover no-repeat;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(20, 22, 24, 0.45) 0%, rgba(20, 22, 24, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 var(--spacing-md);
    margin-top: 50px;
}

.hero-scroll-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.badge-line {
    width: 30px;
    height: 1px;
    background-color: var(--color-gold);
}

.badge-text {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--color-gold);
    text-transform: uppercase;
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    color: #fff;
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.12em;
    text-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    animation: fadeUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 300;
    color: #eaeaea;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.scroll-indicator:hover {
    opacity: 1;
}

.mouse-icon {
    width: 20px;
    height: 32px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    position: relative;
}

.mouse-icon .wheel {
    width: 3px;
    height: 6px;
    background-color: var(--color-gold);
    border-radius: 50%;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.6s infinite;
}

.indicator-text {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
}

/* 8. Story Section 品牌故事 */
.story-text-side {
    padding-right: var(--spacing-md);
}

.section-desc {
    color: var(--color-text-main);
    font-size: 0.98rem;
    margin-bottom: 1.8rem;
}

.story-quote {
    border-left: 2px solid var(--color-gold);
    padding-left: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.story-quote p {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 500;
    font-style: italic;
    color: var(--color-coal);
    margin-bottom: 0.5rem;
}

.story-quote cite {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-style: normal;
    color: var(--color-text-muted);
}

.image-wrapper {
    position: relative;
    border-radius: 2px;
}

.featured-image {
    width: 100%;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-radius: 2px;
    border: 1px solid rgba(20, 22, 24, 0.05);
}

.image-deco-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--color-coal);
    color: #fff;
    padding: 1.5rem;
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-border);
}

.deco-number {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.deco-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: #eaeaea;
    margin-top: 4px;
}

/* 9. Tasting Section 香型品鉴 */
.tasting-cards {
    margin-top: var(--spacing-md);
}

.tasting-card {
    background-color: #fff;
    border: 1px solid rgba(20, 22, 24, 0.06);
    border-radius: 2px;
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--duration-normal) var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.tasting-card:hover {
    transform: translateY(-8px);
    border-color: rgba(207, 161, 92, 0.5);
    box-shadow: 0 20px 40px rgba(207, 161, 92, 0.08);
}

.tasting-card.highlighted-card {
    background-color: var(--color-coal);
    color: #fff;
    border: 1px solid var(--color-border);
}

.tasting-card.highlighted-card .card-title {
    color: #fff;
}

.tasting-card.highlighted-card .card-text {
    color: #eaeaea;
}

.tasting-card.highlighted-card:hover {
    box-shadow: 0 20px 45px rgba(207, 161, 92, 0.18);
    border-color: var(--color-gold);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        120deg,
        rgba(255, 255, 255, 0) 30%,
        rgba(207, 161, 92, 0.06) 40%,
        rgba(255, 255, 255, 0) 50%
    );
    transform: translateX(-100%);
    transition: transform var(--duration-slow) var(--transition-smooth);
    pointer-events: none;
}

.tasting-card:hover .card-glow {
    transform: translateX(100%);
}

.card-tag {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    display: inline-block;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    transition: color var(--duration-normal);
}

.card-text {
    font-size: 0.88rem;
    color: var(--color-text-main);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.tea-profile {
    border-top: 1px solid rgba(20, 22, 24, 0.06);
    padding-top: var(--spacing-sm);
    margin-top: auto;
}

.tasting-card.highlighted-card .tea-profile {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.profile-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    margin-bottom: 0.4rem;
}

.profile-item:last-child {
    margin-bottom: 0;
}

.profile-label {
    color: var(--color-text-muted);
}

.tasting-card.highlighted-card .profile-label {
    color: #bbb;
}

.profile-value {
    font-weight: 500;
    color: var(--color-coal);
}

.tasting-card.highlighted-card .profile-value {
    color: var(--color-gold);
}

/* 10. Craft Section 传统非遗画卷（时间轴） */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: var(--spacing-lg) auto 0 auto;
    display: flex;
    flex-direction: column;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    position: relative;
    margin-bottom: var(--spacing-lg);
    width: 50%;
}

.timeline-item:nth-child(even) {
    align-self: flex-end;
    margin-left: 50%;
    justify-content: flex-start;
}

.timeline-dot {
    position: absolute;
    right: -5px;
    top: 6px;
    width: 11px;
    height: 11px;
    background-color: var(--color-paper);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    z-index: 5;
    transition: all var(--duration-normal) var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -6px;
}

.timeline-item:hover .timeline-dot {
    background-color: var(--color-gold);
    box-shadow: 0 0 0 5px rgba(207, 161, 92, 0.15);
    transform: scale(1.2);
}

.timeline-content {
    width: 85%;
    padding: 1.5rem 2rem;
    background-color: #fff;
    border: 1px solid rgba(20, 22, 24, 0.05);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.01);
    position: relative;
}

.timeline-content.left {
    margin-right: var(--spacing-md);
}

.timeline-content.right {
    margin-left: var(--spacing-md);
}

.step-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: rgba(207, 161, 92, 0.3);
    position: absolute;
    right: 20px;
    top: 15px;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    color: var(--color-coal);
}

.step-text {
    font-size: 0.88rem;
    color: var(--color-text-main);
    line-height: 1.6;
    margin-bottom: 0;
}

/* 11. Brew Section 工夫茶道（风琴折叠式） */
.brew-img-side .image-wrapper {
    position: relative;
}

.brew-tip-card {
    position: absolute;
    bottom: -30px;
    right: -20px;
    background-color: #fff;
    border: 1px solid rgba(20, 22, 24, 0.06);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    padding: 1.8rem;
    width: 280px;
    border-radius: 2px;
}

.brew-tip-card h4 {
    font-size: 1.05rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
    color: var(--color-coal);
}

.brew-tip-card ul {
    list-style: none;
}

.brew-tip-card li {
    font-size: 0.82rem;
    margin-bottom: 0.6rem;
    color: var(--color-text-main);
    line-height: 1.5;
}

.brew-tip-card li strong {
    color: var(--color-coal);
}

.brew-tip-card li:last-child {
    margin-bottom: 0;
}

.brew-interactive-side {
    padding-left: var(--spacing-md);
}

.brew-steps {
    margin-top: var(--spacing-lg);
    border-top: 1px solid rgba(20, 22, 24, 0.08);
}

.brew-step-item {
    border-bottom: 1px solid rgba(20, 22, 24, 0.08);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--duration-normal) var(--transition-smooth);
}

.step-header {
    display: flex;
    align-items: center;
    padding: 1.25rem 0;
    user-select: none;
}

.step-index {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-right: 1.5rem;
    width: 20px;
    text-align: center;
}

.step-name {
    font-size: 1.1rem;
    color: var(--color-coal);
    font-weight: 500;
    transition: color var(--duration-normal);
}

.brew-step-item:hover .step-name {
    color: var(--color-gold);
}

.step-detail {
    max-height: 0;
    opacity: 0;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
}

.step-detail p {
    padding: 0 0 1.5rem 2.75rem;
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    line-height: 1.7;
}

.brew-step-item.active .step-name {
    color: var(--color-gold);
    font-weight: 600;
}

.brew-step-item.active .step-detail {
    max-height: 180px;
    opacity: 1;
}

/* 12. Contact Section 预约表单 */
.contact-section {
    background-color: var(--color-coal);
    color: #fff;
    max-width: 100%;
    width: 100%;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.contact-card {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.contact-title {
    font-size: 3rem;
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.contact-subtitle {
    color: #eaeaea;
    font-size: 0.98rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.info-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.info-item h5 {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 0.2rem;
    letter-spacing: 0.05em;
}

.info-item p {
    color: #ccc;
    font-size: 0.85rem;
    margin-bottom: 0;
}

.contact-form-wrapper {
    background-color: var(--color-coal-light);
    border: 1px solid var(--color-border);
    padding: 3rem;
    border-radius: 2px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.form-title {
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.6rem 0;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 300;
    border-radius: 0;
    outline: none;
    transition: all var(--duration-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-bottom-color: var(--color-gold);
}

.form-group select option {
    background-color: var(--color-coal-light);
    color: #fff;
}

.form-message {
    margin-top: 1rem;
    font-size: 0.82rem;
    text-align: center;
    min-height: 20px;
}

.form-message.success {
    color: #6ed17f;
}

.form-message.error {
    color: #e57373;
}

/* 13. Footer 页脚 */
.main-footer {
    background-color: var(--color-coal);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg) 0;
    color: #888;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand h3 {
    color: #fff;
    font-size: 1.4rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
}

.footer-brand p {
    font-size: 0.72rem;
    color: var(--color-gold);
    margin-bottom: 0;
    letter-spacing: 0.1em;
}

.footer-meta {
    text-align: right;
}

.footer-meta p {
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 0.2rem;
}

.footer-deco {
    font-size: 0.65rem !important;
    color: #555 !important;
}

/* 14. 水墨晕染淡入动效 */
.reveal-element {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1),
                transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        top: 6px;
        height: 6px;
    }
    50% {
        opacity: 0.4;
        height: 12px;
    }
    100% {
        opacity: 0;
        top: 20px;
        height: 3px;
    }
}

/* ==========================================================================
   约茶拜帖查询微型浮窗 (Modal Styles)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(20, 22, 24, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--transition-smooth);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background-color: var(--color-coal-light);
    border: 1px solid var(--color-border);
    width: 90%;
    max-width: 550px;
    padding: 3rem 2.5rem;
    position: relative;
    border-radius: 2px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    transform: translateY(30px) scale(0.96);
    transition: transform 0.4s var(--transition-smooth);
    color: #fff;
}

.modal-overlay.active .modal-card {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #888;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.3s;
}

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

.modal-title {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 0.5rem;
    text-align: center;
}

.modal-subtitle {
    font-size: 0.85rem;
    color: #ccc;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 300;
}

.modal-search-box {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.modal-search-box input {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.2rem;
    color: #fff;
    border-radius: 2px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s;
}

.modal-search-box input:focus {
    border-color: var(--color-gold);
}

.modal-search-box button {
    padding: 0 2rem;
}

.query-results {
    max-height: 250px;
    overflow-y: auto;
    padding-right: 5px;
}

.query-results::-webkit-scrollbar {
    width: 4px;
}
.query-results::-webkit-scrollbar-thumb {
    background-color: var(--color-gold);
    border-radius: 2px;
}

.query-empty {
    text-align: center;
    color: #888;
    font-size: 0.85rem;
    padding: 2rem 0;
}

.reservation-record-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(207, 161, 92, 0.1);
    padding: 1.25rem;
    margin-bottom: 1rem;
    border-radius: 2px;
    position: relative;
    transition: border-color 0.3s;
}

.reservation-record-card:hover {
    border-color: var(--color-gold);
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.4rem;
}

.record-name {
    font-weight: 600;
    color: #fff;
    font-size: 0.95rem;
}

.record-status {
    font-size: 0.72rem;
    color: var(--color-gold);
    background-color: rgba(207, 161, 92, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    letter-spacing: 0.05em;
}

.record-row {
    font-size: 0.82rem;
    color: #ccc;
    margin-bottom: 0.3rem;
    display: flex;
    justify-content: space-between;
}

.record-row:last-child {
    margin-bottom: 0;
}

.record-label {
    color: #888;
}

.record-val {
    font-weight: 300;
}

/* ==========================================================================
   15. 完美弹性响应式断点 (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 5rem;
    }

    .hero-title {
        font-size: 4rem;
    }

    .grid-container {
        gap: var(--spacing-md);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .contact-info {
        text-align: center;
    }

    .contact-details {
        flex-direction: row;
        justify-content: space-around;
        margin-top: var(--spacing-md);
    }

    .info-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
    }

    .header-container {
        padding: 1rem var(--spacing-md);
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-paper);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        transform: translateX(100%);
        transition: transform var(--duration-normal) var(--transition-smooth);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .nav-links.active {
        transform: translateX(0);
    }

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

    .grid-three {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .story-text-side {
        padding-right: 0;
    }

    .story-img-side {
        order: -1;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item {
        width: 100% !important;
        margin-left: 0 !important;
        justify-content: flex-start !important;
        padding-left: 40px;
    }

    .timeline-dot {
        left: 15px !important;
        right: auto !important;
    }

    .timeline-content {
        width: 100%;
    }

    .timeline-content.left,
    .timeline-content.right {
        margin: 0;
    }

    .brew-interactive-side {
        padding-left: 0;
    }

    .brew-tip-card {
        position: static;
        width: 100%;
        margin-top: var(--spacing-md);
        box-shadow: none;
        border-color: rgba(20, 22, 24, 0.08);
    }

    .contact-details {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }

    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .footer-meta {
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .modal-search-box {
        flex-direction: column !important;
        gap: 10px !important;
        padding-bottom: 1rem !important;
    }

    .modal-search-box input {
        width: 100% !important;
        box-sizing: border-box !important;
        height: 45px !important;
    }

    .modal-search-box button {
        width: 100% !important;
        box-sizing: border-box !important;
        height: 45px !important;
        padding: 0 !important;
    }
}