/* =====================================================
   清芽少儿茶艺官方网站 - 公共样式表
   ===================================================== */

:root {
    --tea-dark: #3d5c3a;
    --tea-mid: #5f7d56;
    --tea-light: #7a9c6d;
    --tea-pale: #b8c9a9;
    --tea-wash: #e8efe3;
    --gold: #c9a86c;
    --gold-light: #e8d5b5;
    --paper: #f7f5f0;
    --paper-warm: #fffdf8;
    --ink: #2c2c2c;
    --ink-light: #5a5a5a;
    --white: #ffffff;
    
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(61, 92, 58, 0.08);
    --shadow-hover: 0 16px 45px rgba(61, 92, 58, 0.14);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.2);
    
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --font-serif: 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
    --font-display: 'ZCOOL XiaoWei', 'Noto Serif SC', serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* 全局纹理背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='200' height='200' viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: -1;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* =====================================================
   按钮组件
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--tea-dark);
    color: var(--paper-warm);
    box-shadow: 0 4px 15px rgba(61, 92, 58, 0.25);
}

.btn-primary:hover {
    background: var(--tea-mid);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(61, 92, 58, 0.3);
}

.btn-gold {
    background: var(--gold);
    color: var(--tea-dark);
    box-shadow: 0 4px 15px rgba(201, 168, 108, 0.3);
    font-weight: 600;
}

.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--tea-dark);
    border: 1.5px solid var(--tea-dark);
}

.btn-outline:hover {
    background: var(--tea-dark);
    color: var(--paper-warm);
}

.btn-outline-light {
    background: transparent;
    color: var(--paper-warm);
    border: 1.5px solid rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
    background: var(--paper-warm);
    color: var(--tea-dark);
}

.btn-sm {
    padding: 0.6rem 1.4rem;
    font-size: 0.85rem;
}

/* =====================================================
   导航栏
   ===================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(247, 245, 240, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    padding: 0.6rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--tea-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--paper-warm);
    font-size: 1.3rem;
    font-family: var(--font-display);
    transition: var(--transition);
}

.logo:hover .logo-icon {
    background: var(--tea-mid);
    transform: rotate(10deg);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--tea-dark);
    letter-spacing: 0.08em;
}

.nav-menu {
    display: flex;
    gap: 2.2rem;
    align-items: center;
}

.nav-menu a {
    font-size: 0.95rem;
    color: var(--ink);
    position: relative;
    padding: 0.3rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tea-mid);
    transition: width 0.3s;
}

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

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

.nav-cta {
    margin-left: 0.5rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--tea-dark);
    transition: 0.3s;
}

/* 深色页面头部导航适配 */
.has-dark-header .navbar .logo-text,
.has-dark-header .navbar .nav-menu a {
    color: var(--paper-warm);
}

.has-dark-header .navbar .nav-menu a::after {
    background: var(--gold);
}

.has-dark-header .navbar .nav-menu a:hover,
.has-dark-header .navbar .nav-menu a.active {
    color: var(--gold);
}

.has-dark-header .navbar .menu-toggle span {
    background: var(--paper-warm);
}

.has-dark-header .navbar.scrolled .logo-text,
.has-dark-header .navbar.scrolled .nav-menu a {
    color: var(--ink);
}

.has-dark-header .navbar.scrolled .nav-menu a::after {
    background: var(--tea-mid);
}

.has-dark-header .navbar.scrolled .nav-menu a:hover,
.has-dark-header .navbar.scrolled .nav-menu a.active {
    color: var(--tea-dark);
}

.has-dark-header .navbar.scrolled .menu-toggle span {
    background: var(--tea-dark);
}

/* =====================================================
   页面标题区
   ===================================================== */

.page-header {
    padding: 10rem 0 5rem;
    background: linear-gradient(135deg, var(--tea-dark), var(--tea-mid));
    color: var(--paper-warm);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 1.2rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

.breadcrumb a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* =====================================================
   区块标题
   ===================================================== */

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3.5rem;
}

.section-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(122, 156, 109, 0.12);
    color: var(--tea-dark);
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.section-tag.gold {
    background: rgba(201, 168, 108, 0.15);
    color: var(--gold);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    color: var(--tea-dark);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.section-subtitle {
    color: var(--ink-light);
    font-size: 1.05rem;
}

/* =====================================================
   首页 Hero
   ===================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero .container {
    position: relative;
    z-index: 2;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(122, 156, 109, 0.12);
    color: var(--tea-dark);
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    line-height: 1.2;
    color: var(--tea-dark);
    margin-bottom: 1.2rem;
    letter-spacing: 0.05em;
}

.hero-title span {
    color: var(--gold);
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--ink-light);
    margin-bottom: 2.2rem;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    right: -8%;
    top: 50%;
    transform: translateY(-50%);
    width: 58%;
    max-width: 700px;
    opacity: 0.9;
    z-index: 1;
}

.hero-visual svg {
    width: 100%;
    height: auto;
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--tea-light);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* =====================================================
   卡片组件
   ===================================================== */

.card {
    background: var(--paper-warm);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(122, 156, 109, 0.1);
}

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

/* =====================================================
   理念区
   ===================================================== */

.values-section {
    background: var(--paper-warm);
    padding: 6rem 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
}

.value-card {
    padding: 2.2rem 1.8rem;
    text-align: center;
    background: var(--paper);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(122, 156, 109, 0.1);
}

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

.value-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 1.2rem;
    background: rgba(122, 156, 109, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    color: var(--tea-dark);
    transition: var(--transition);
}

.value-card:hover .value-icon {
    background: var(--tea-dark);
    color: var(--paper-warm);
    transform: rotateY(180deg);
}

.value-card h3 {
    font-size: 1.2rem;
    color: var(--tea-dark);
    margin-bottom: 0.6rem;
}

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

/* =====================================================
   课程区
   ===================================================== */

.courses-section {
    padding: 6rem 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.course-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.course-image::after {
    content: '';
    position: absolute;
    width: 140px;
    height: 140px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
}

.course-image.beginner { background: linear-gradient(135deg, #c9dcc0, #9ec68e); }
.course-image.intermediate { background: linear-gradient(135deg, #b8c9a9, #7a9c6d); }
.course-image.advanced { background: linear-gradient(135deg, #e8d5b5, #c9a86c); }
.course-image.parent { background: linear-gradient(135deg, #d4e4cc, #a8c89a); }

.course-body {
    padding: 1.8rem;
}

.course-level {
    display: inline-block;
    padding: 0.25rem 0.85rem;
    background: rgba(201, 168, 108, 0.15);
    color: var(--gold);
    border-radius: 50px;
    font-size: 0.75rem;
    margin-bottom: 0.7rem;
    font-weight: 500;
}

.course-card h3 {
    font-size: 1.3rem;
    color: var(--tea-dark);
    margin-bottom: 0.6rem;
}

.course-card p {
    font-size: 0.95rem;
    color: var(--ink-light);
    margin-bottom: 1.2rem;
}

.course-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--tea-light);
    margin-bottom: 1.2rem;
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.course-features {
    margin-bottom: 1.5rem;
}

.course-features li {
    font-size: 0.9rem;
    color: var(--ink-light);
    padding: 0.3rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.course-features li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--tea-light);
}

/* =====================================================
   茶艺步骤
   ===================================================== */

.steps-section {
    background: var(--tea-dark);
    color: var(--paper-warm);
    padding: 6rem 0;
}

.steps-section .section-title {
    color: var(--paper-warm);
}

.steps-section .section-subtitle {
    color: rgba(247, 245, 240, 0.75);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.5rem;
}

.step-item {
    text-align: center;
    padding: 2rem 1.2rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}

.step-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
}

.step-number {
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem;
    background: var(--gold);
    color: var(--tea-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}

.step-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--paper-warm);
}

.step-item p {
    font-size: 0.9rem;
    color: rgba(247, 245, 240, 0.7);
}

/* =====================================================
   师资
   ===================================================== */

.teachers-section {
    padding: 6rem 0;
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.teacher-card {
    text-align: center;
    padding: 2.2rem 1.8rem;
    background: var(--paper-warm);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.teacher-avatar {
    width: 130px;
    height: 130px;
    margin: 0 auto 1.4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    border: 5px solid var(--paper);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.teacher-card:hover .teacher-avatar {
    transform: scale(1.05);
}

.teacher-avatar.green { background: linear-gradient(135deg, var(--tea-pale), var(--tea-light)); }
.teacher-avatar.gold { background: linear-gradient(135deg, var(--gold-light), var(--gold)); }
.teacher-avatar.teal { background: linear-gradient(135deg, #b8d4c9, #7a9c8d); }

.teacher-card h3 {
    color: var(--tea-dark);
    margin-bottom: 0.3rem;
    font-size: 1.25rem;
}

.teacher-role {
    color: var(--gold);
    font-size: 0.85rem;
    margin-bottom: 0.9rem;
    font-weight: 500;
}

.teacher-card p {
    font-size: 0.9rem;
    color: var(--ink-light);
}

.teacher-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.teacher-tags span {
    padding: 0.2rem 0.7rem;
    background: rgba(122, 156, 109, 0.1);
    color: var(--tea-dark);
    border-radius: 50px;
    font-size: 0.75rem;
}

/* =====================================================
   关于我们 - 特色内容
   ===================================================== */

.about-section {
    padding: 6rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 420px;
    background: linear-gradient(135deg, var(--tea-pale), var(--tea-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
}

.about-image::before {
    content: '';
    position: absolute;
    inset: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: var(--radius);
}

.about-text h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--tea-dark);
    margin-bottom: 1.2rem;
}

.about-text p {
    color: var(--ink-light);
    margin-bottom: 1.2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(122, 156, 109, 0.2);
}

.stat-item strong {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--tea-dark);
}

.stat-item span {
    font-size: 0.85rem;
    color: var(--ink-light);
}

/* =====================================================
   风采画廊
   ===================================================== */

.gallery-section {
    background: var(--paper-warm);
    padding: 6rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
}

.gallery-item:nth-child(1) { background: linear-gradient(135deg, #b8c9a9, #9db88e); }
.gallery-item:nth-child(2) { background: linear-gradient(135deg, #e8d5b5, #d4bc91); }
.gallery-item:nth-child(3) { background: linear-gradient(135deg, #c9dcc0, #a8c69b); }
.gallery-item:nth-child(4) { background: linear-gradient(135deg, #f0e6d2, #e3d4b8); }
.gallery-item:nth-child(5) { background: linear-gradient(135deg, #d4e4cc, #b5d0a7); }
.gallery-item:nth-child(6) { background: linear-gradient(135deg, #efe3cd, #dcc49a); }
.gallery-item:nth-child(7) { background: linear-gradient(135deg, #c8dbbe, #a9c89a); }
.gallery-item:nth-child(8) { background: linear-gradient(135deg, #f2ead6, #e2d2b3); }

/* =====================================================
   联系/报名
   ===================================================== */

.contact-section {
    background: linear-gradient(135deg, var(--tea-dark), var(--tea-mid));
    color: var(--paper-warm);
    padding: 6rem 0;
}

.contact-section .section-title {
    color: var(--paper-warm);
}

.contact-section .section-subtitle {
    color: rgba(247, 245, 240, 0.8);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    font-family: var(--font-display);
}

.contact-list {
    margin-bottom: 2rem;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.contact-list li span {
    font-size: 1.2rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.95);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: box-shadow 0.3s;
    color: var(--ink);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.4);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.contact-form .btn-gold {
    width: 100%;
}

/* =====================================================
    testimonials / 学员家长说
   ===================================================== */

.testimonials-section {
    padding: 6rem 0;
    background: var(--paper-warm);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.8rem;
}

.testimonial-card {
    background: var(--paper);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--tea-pale);
    line-height: 1;
}

.testimonial-card p {
    color: var(--ink-light);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--tea-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.testimonial-author strong {
    display: block;
    color: var(--tea-dark);
    font-size: 0.95rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--ink-light);
}

/* =====================================================
   FAQ
   ===================================================== */

.faq-section {
    padding: 6rem 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--paper-warm);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    color: var(--tea-dark);
    font-weight: 500;
    cursor: pointer;
    text-align: left;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--tea-light);
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-answer p {
    padding: 0 1.5rem 1.2rem;
    color: var(--ink-light);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* =====================================================
   CTA 横幅
   ===================================================== */

.cta-banner {
    background: linear-gradient(135deg, var(--tea-mid), var(--tea-light));
    padding: 4rem 0;
    text-align: center;
    color: var(--paper-warm);
}

.cta-banner h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 1rem;
}

.cta-banner p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

/* =====================================================
   Footer
   ===================================================== */

.footer {
    background: var(--ink);
    color: rgba(247, 245, 240, 0.7);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo-text {
    color: var(--paper-warm);
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.footer-social {
    display: flex;
    gap: 0.8rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gold);
    color: var(--tea-dark);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--paper-warm);
    font-size: 1rem;
    margin-bottom: 1.2rem;
    font-family: var(--font-display);
    letter-spacing: 0.05em;
}

.footer-links ul li {
    margin-bottom: 0.6rem;
}

.footer-links ul li a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--gold);
    padding-left: 5px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

/* =====================================================
   动画
   ===================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =====================================================
   响应式
   ===================================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-content {
        gap: 2.5rem;
    }
}

@media (max-width: 900px) {
    .hero-visual {
        width: 70%;
        opacity: 0.25;
    }

    .contact-container,
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        min-height: 300px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--paper-warm);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1.2rem;
        align-items: flex-start;
        box-shadow: -5px 0 30px rgba(0,0,0,0.1);
        transition: right 0.4s ease;
    }

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

    .nav-cta {
        margin-left: 0;
        margin-top: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding-top: 6rem;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        display: none;
    }

    section {
        padding: 4rem 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
    }
}