/* ============================================================
   翠岚 SUIRAN — 全站共享样式
   ============================================================ */

:root {
    --matcha-deep: #3D5229;
    --matcha-primary: #6B8E4E;
    --matcha-light: #8BAE6A;
    --matcha-pale: #C8D9B0;
    --cream: #F5F1E8;
    --cream-warm: #EDE6D3;
    --charcoal: #2C2C2C;
    --charcoal-soft: #4A4A4A;
    --soft-white: #FAFAF7;
    --gold: #B8A07E;
    --line: rgba(107, 142, 78, 0.2);
    --nav-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--charcoal);
    background: var(--soft-white);
    overflow-x: hidden;
    line-height: 1.8;
}

h1, h2, h3, h4 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 400;
    letter-spacing: 0.05em;
}

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

.container { max-width: 1200px; margin: 0 auto; }
.text-center { text-align: center; }

/* ---------- 排版组件 ---------- */
.section-label {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.85rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--matcha-primary);
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.1rem;
    color: var(--charcoal);
    margin-bottom: 1.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 2px;
    background: var(--matcha-primary);
    margin-top: 1.2rem;
}

.section-title.center::after { margin-left: auto; margin-right: auto; }

.section-intro {
    color: var(--charcoal-soft);
    font-size: 0.92rem;
    font-weight: 300;
    max-width: 640px;
    margin: 1.5rem auto 0;
}

section { padding: 6rem 3rem; }
.section-cream { background: var(--cream); }
.section-white { background: var(--soft-white); }

/* 通用按钮 */
.btn {
    display: inline-block;
    padding: 0.85rem 2.4rem;
    border-radius: 2px;
    font-size: 0.88rem;
    letter-spacing: 0.15em;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid var(--matcha-deep);
    background: var(--matcha-deep);
    color: var(--soft-white);
    transition: all 0.3s ease;
    font-family: 'Noto Sans SC', sans-serif;
}

.btn:hover {
    background: var(--matcha-primary);
    border-color: var(--matcha-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(107,142,78,0.28);
}

.btn.ghost {
    background: transparent;
    color: var(--matcha-deep);
    border-color: var(--matcha-deep);
}

.btn.ghost:hover { background: var(--matcha-deep); color: var(--soft-white); }

.btn.light {
    background: transparent;
    color: var(--soft-white);
    border-color: rgba(250,250,247,0.7);
}

.btn.light:hover { background: var(--soft-white); color: var(--matcha-deep); border-color: var(--soft-white); }

/* ============================================================
   导航（多级，借鉴品牌官网信息架构）
   ============================================================ */
.site-nav {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.4rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s ease;
}

.site-nav.scrolled,
.site-nav.subpage {
    background: rgba(250, 250, 247, 0.96);
    backdrop-filter: blur(10px);
    padding: 0.9rem 3rem;
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.nav-logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--soft-white);
    text-decoration: none;
    transition: color 0.4s ease;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    z-index: 1002;
}

.nav-logo span {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    opacity: 0.8;
}

.site-nav.scrolled .nav-logo,
.site-nav.subpage .nav-logo { color: var(--matcha-deep); }

.nav-menu { display: flex; gap: 2rem; list-style: none; align-items: center; }

.nav-item { position: relative; }

.nav-item > a {
    color: var(--soft-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.4rem 0;
    display: block;
}

.site-nav.scrolled .nav-item > a,
.site-nav.subpage .nav-item > a { color: var(--charcoal-soft); }

.nav-item > a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--matcha-primary);
    transition: width 0.3s ease;
}

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

.nav-item:hover > a,
.nav-item.active > a { color: var(--matcha-primary); }

/* 二级下拉 */
.nav-dropdown {
    position: absolute;
    top: 100%; left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: var(--soft-white);
    box-shadow: 0 18px 50px rgba(45,55,35,0.16);
    border-top: 2px solid var(--matcha-primary);
    border-radius: 3px;
    min-width: 168px;
    padding: 0.8rem 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(6px);
}

.nav-dropdown li a {
    display: block;
    padding: 0.5rem 1.6rem;
    font-size: 0.84rem;
    color: var(--charcoal-soft);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.25s ease;
}

.nav-dropdown li a:hover {
    color: var(--matcha-primary);
    background: var(--cream);
    padding-left: 2rem;
}

/* CTA 按钮 */
.nav-cta {
    padding: 0.5rem 1.5rem !important;
    border: 1px solid currentColor;
    border-radius: 2px;
    font-size: 0.85rem !important;
}

.nav-cta:hover {
    background: var(--matcha-primary) !important;
    border-color: var(--matcha-primary) !important;
    color: var(--soft-white) !important;
}

/* 移动端汉堡 */
.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1002;
    background: none;
    border: none;
    padding: 6px;
}

.nav-burger span {
    width: 24px; height: 2px;
    background: var(--soft-white);
    transition: all 0.3s ease;
}

.site-nav.scrolled .nav-burger span,
.site-nav.subpage .nav-burger span { background: var(--charcoal); }

/* ============================================================
   子页面头部横幅
   ============================================================ */
.page-hero {
    position: relative;
    padding: calc(var(--nav-h) + 6rem) 3rem 5rem;
    background: var(--matcha-deep);
    overflow: hidden;
    color: var(--soft-white);
}

.page-hero .page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(45,55,35,0.55), rgba(45,55,35,0.75));
}

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

.breadcrumb {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    color: rgba(250,250,247,0.65);
    margin-bottom: 1.4rem;
}

.breadcrumb a { color: rgba(250,250,247,0.65); text-decoration: none; transition: color 0.3s; }
.breadcrumb a:hover { color: var(--soft-white); }

.page-hero h1 {
    font-size: 2.6rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    margin-bottom: 0.8rem;
}

.page-hero .page-label {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.85rem;
    letter-spacing: 0.45em;
    text-transform: uppercase;
    color: var(--matcha-light);
}

.page-hero .page-desc {
    max-width: 640px;
    font-size: 0.94rem;
    font-weight: 300;
    color: rgba(250,250,247,0.85);
    margin-top: 1.2rem;
}

/* ============================================================
   首页 Hero
   ============================================================ */
.hero {
    height: 100vh;
    min-height: 620px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('../images/hero-garden.png') center/cover no-repeat;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom { to { transform: scale(1.15); } }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(45,55,35,0.42) 0%, rgba(45,55,35,0.3) 50%, rgba(45,55,35,0.62) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--soft-white);
    padding: 0 2rem;
    opacity: 0;
    animation: fadeInUp 1.5s ease 0.5s forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content .brand-en {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    letter-spacing: 0.6em;
    margin-bottom: 1.5rem;
    opacity: 0.85;
}

.hero-content h1 {
    font-size: 4.2rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.hero-content .tagline {
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: 2.8rem;
    opacity: 0.9;
}

.hero-divider {
    width: 1px;
    height: 56px;
    background: linear-gradient(to bottom, transparent, var(--soft-white), transparent);
    margin: 0 auto 2rem;
}

.hero-btns { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }

.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--soft-white);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    opacity: 0.6;
    animation: bounce 2s ease infinite;
}

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

/* ---------- 品牌数据条（借鉴品牌官网数据展示） ---------- */
.stats-bar {
    background: var(--matcha-deep);
    color: var(--soft-white);
    padding: 3.2rem 3rem;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stats-grid .stat-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.8rem;
    font-weight: 400;
    color: var(--matcha-light);
    line-height: 1.2;
}

.stats-grid .stat-num span { font-size: 1.1rem; margin-left: 0.2rem; color: var(--matcha-pale); }

.stats-grid .stat-label {
    font-size: 0.82rem;
    letter-spacing: 0.15em;
    color: rgba(250,250,247,0.75);
    margin-top: 0.4rem;
}

/* ============================================================
   首页区块组件
   ============================================================ */

/* 图文左右布局 */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.split-grid .text-col p {
    color: var(--charcoal-soft);
    font-size: 0.95rem;
    line-height: 2.1;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.split-grid .img-col {
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    position: relative;
}

.split-grid .img-col img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.split-grid .img-col:hover img { transform: scale(1.05); }

.img-badge {
    position: absolute;
    top: 1.5rem; left: 1.5rem;
    background: rgba(245,241,232,0.92);
    backdrop-filter: blur(8px);
    padding: 0.7rem 1.4rem;
    border-radius: 2px;
    font-family: 'Noto Serif SC', serif;
    font-size: 0.85rem;
    color: var(--matcha-deep);
    letter-spacing: 0.1em;
}

.story-quote {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.25rem;
    color: var(--matcha-deep);
    font-weight: 300;
    line-height: 2;
    margin: 2rem 0;
    padding-left: 1.5rem;
    border-left: 2px solid var(--matcha-primary);
}

.enso {
    position: absolute;
    top: -30px; right: -30px;
    width: 120px; height: 120px;
    opacity: 0.08;
    z-index: 0;
}

/* 产品卡片 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: var(--soft-white);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.4s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(107,142,78,0.15);
    border-color: var(--matcha-light);
}

.product-img {
    width: 100%;
    height: 200px;
    background: var(--cream-warm);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-img .grade-circle {
    width: 80px; height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.8rem;
    color: var(--soft-white);
    transition: transform 0.4s ease;
}

.product-card:hover .grade-circle { transform: scale(1.1); }

.product-info { padding: 1.8rem 1.5rem; }

.product-info h3 { font-size: 1.1rem; color: var(--charcoal); margin-bottom: 0.5rem; }

.product-info .grade-en {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--matcha-primary);
    margin-bottom: 0.8rem;
    display: block;
}

.product-info p {
    font-size: 0.82rem;
    color: var(--charcoal-soft);
    line-height: 1.7;
    font-weight: 300;
}

.product-info .specs {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--matcha-primary);
}

/* ---------- 场景化 Tab（场景化交互） ---------- */
.scene-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2.5rem 0 3rem;
}

.scene-tab {
    padding: 0.7rem 1.8rem;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: transparent;
    font-family: 'Noto Serif SC', serif;
    font-size: 0.95rem;
    letter-spacing: 0.12em;
    color: var(--charcoal-soft);
    cursor: pointer;
    transition: all 0.3s ease;
}

.scene-tab:hover { border-color: var(--matcha-primary); color: var(--matcha-primary); }

.scene-tab.active {
    background: var(--matcha-deep);
    border-color: var(--matcha-deep);
    color: var(--soft-white);
}

.scene-panel { display: none; animation: fadeInUp 0.6s ease; }
.scene-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }

.scene-panel .scene-visual {
    height: 340px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif SC', serif;
    font-size: 4rem;
    color: rgba(250,250,247,0.9);
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.scene-points { list-style: none; }

.scene-points li {
    display: flex;
    gap: 0.9rem;
    margin-bottom: 1.1rem;
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--charcoal-soft);
    line-height: 1.8;
}

.scene-points li::before {
    content: '◆';
    color: var(--matcha-primary);
    font-size: 0.7rem;
    line-height: 2.6;
}

.scene-tag {
    display: inline-block;
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--matcha-primary);
    margin-bottom: 0.8rem;
}

/* ---------- 工艺预告条（深绿） ---------- */
.craft-strip {
    background: var(--matcha-deep);
    color: var(--soft-white);
    position: relative;
    overflow: hidden;
}

.craft-strip::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 50%; height: 100%;
    background: url('../images/stone-mill.png') center/cover no-repeat;
    opacity: 0.22;
}

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

.craft-strip .section-label { color: var(--matcha-light); }
.craft-strip .section-title { color: var(--soft-white); }
.craft-strip .section-title::after { background: var(--matcha-light); }

.craft-strip p.lead {
    color: rgba(250,250,247,0.82);
    font-size: 0.95rem;
    line-height: 2.1;
    font-weight: 300;
    max-width: 560px;
    margin-bottom: 1rem;
}

.craft-steps { margin-top: 2.5rem; }

.craft-step {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    margin-bottom: 1.8rem;
}

.step-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: var(--matcha-light);
    min-width: 40px;
    border-bottom: 1px solid var(--matcha-light);
    padding-bottom: 0.3rem;
}

.step-text h4 { font-size: 0.95rem; color: var(--soft-white); margin-bottom: 0.3rem; font-weight: 500; }

.step-text p { font-size: 0.82rem; margin: 0; line-height: 1.6; color: rgba(250,250,247,0.7); }

/* ---------- 新闻 / 活动卡片 ---------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
}

.news-card {
    background: var(--soft-white);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(107,142,78,0.14);
    border-color: var(--matcha-light);
}

.news-cover {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.news-cover .news-cat {
    position: absolute;
    top: 1rem; left: 1rem;
    background: rgba(61,82,41,0.88);
    color: var(--soft-white);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    padding: 0.3rem 0.8rem;
    border-radius: 2px;
}

.news-cover .news-cat.co { background: rgba(184,160,126,0.92); }

.news-body { padding: 1.5rem 1.4rem 1.8rem; flex: 1; display: flex; flex-direction: column; }

.news-body .news-date {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--matcha-primary);
    margin-bottom: 0.5rem;
}

.news-body h3 { font-size: 1.02rem; margin-bottom: 0.6rem; line-height: 1.6; }

.news-body p {
    font-size: 0.83rem;
    color: var(--charcoal-soft);
    font-weight: 300;
    line-height: 1.8;
    flex: 1;
}

.news-body .news-link {
    font-size: 0.78rem;
    color: var(--matcha-primary);
    text-decoration: none;
    letter-spacing: 0.1em;
    margin-top: 1rem;
    transition: letter-spacing 0.3s;
}

.news-body .news-link:hover { letter-spacing: 0.2em; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
    background: linear-gradient(120deg, var(--matcha-deep), var(--matcha-primary));
    color: var(--soft-white);
    text-align: center;
    padding: 5.5rem 3rem;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/misty-tea-garden.png') center/cover no-repeat;
    opacity: 0.18;
}

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

.cta-band h2 { font-size: 2rem; letter-spacing: 0.15em; margin-bottom: 1rem; }

.cta-band p { font-weight: 300; opacity: 0.88; font-size: 0.94rem; margin-bottom: 2.2rem; }

/* ============================================================
   通用内容组件
   ============================================================ */

/* 理念/价值卡片 */
.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.value-card {
    background: var(--soft-white);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 2.6rem 2rem;
    text-align: center;
    transition: all 0.4s ease;
}

.value-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(107,142,78,0.13); border-color: var(--matcha-light); }

.value-card .value-icon {
    width: 64px; height: 64px;
    margin: 0 auto 1.4rem;
    border-radius: 50%;
    border: 1px solid var(--matcha-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    color: var(--matcha-deep);
    background: var(--cream);
}

.value-card h3 { font-size: 1.1rem; margin-bottom: 0.9rem; }

.value-card p { font-size: 0.85rem; color: var(--charcoal-soft); font-weight: 300; line-height: 1.9; }

/* 时间线 */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 2rem; }

.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 1px;
    background: var(--line);
}

.timeline-item { position: relative; padding-bottom: 2.6rem; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.31rem; top: 10px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--matcha-primary);
    box-shadow: 0 0 0 4px rgba(107,142,78,0.15);
}

.timeline-item .tl-year {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    color: var(--matcha-primary);
    letter-spacing: 0.1em;
}

.timeline-item h4 { font-size: 1.05rem; margin: 0.3rem 0 0.5rem; }

.timeline-item p { font-size: 0.87rem; color: var(--charcoal-soft); font-weight: 300; }

/* 参数表 / 对比表 */
.compare-table-wrap { overflow-x: auto; }

table.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
    background: var(--soft-white);
}

.compare-table th, .compare-table td {
    padding: 1rem 1.2rem;
    border: 1px solid var(--line);
    text-align: left;
}

.compare-table thead th {
    background: var(--matcha-deep);
    color: var(--soft-white);
    font-family: 'Noto Serif SC', serif;
    font-weight: 500;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.compare-table tbody tr:nth-child(even) { background: var(--cream); }
.compare-table tbody tr:hover { background: rgba(107,142,78,0.08); }

/* FAQ 手风琴 */
.faq-item {
    border: 1px solid var(--line);
    border-radius: 3px;
    margin-bottom: 1rem;
    background: var(--soft-white);
    overflow: hidden;
}

.faq-q {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.2rem 1.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 0.98rem;
    color: var(--charcoal);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.faq-q::after {
    content: '+';
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    color: var(--matcha-primary);
    transition: transform 0.3s;
}

.faq-item.open .faq-q::after { transform: rotate(45deg); }

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s ease;
}

.faq-a p {
    padding: 0 1.5rem 1.4rem;
    font-size: 0.87rem;
    color: var(--charcoal-soft);
    font-weight: 300;
    line-height: 2;
}

/* 步骤流程 */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
    counter-reset: step;
}

.process-card {
    background: var(--soft-white);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 2.4rem 2rem;
    position: relative;
    counter-increment: step;
}

.process-card::before {
    content: '0' counter(step);
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.6rem;
    color: rgba(107,142,78,0.25);
    position: absolute;
    top: 1rem; right: 1.3rem;
    line-height: 1;
}

.process-card h4 { font-size: 1.05rem; margin-bottom: 0.8rem; }

.process-card p { font-size: 0.85rem; color: var(--charcoal-soft); font-weight: 300; line-height: 1.9; }

/* 产品详情页 */
.pd-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
    align-items: start;
}

.pd-visual {
    height: 460px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

.pd-visual .grade-circle { width: 150px; height: 150px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Noto Serif SC', serif; font-size: 3.4rem; color: var(--soft-white); }

.pd-title { font-size: 2.2rem; margin-bottom: 0.3rem; }

.pd-sub {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--matcha-primary);
    margin-bottom: 1.6rem;
    display: block;
}

.pd-desc { color: var(--charcoal-soft); font-size: 0.95rem; font-weight: 300; line-height: 2.1; margin-bottom: 2rem; }

.pd-tags { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 2rem; }

.pd-tags span {
    font-size: 0.75rem;
    padding: 0.35rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 2px;
    color: var(--matcha-primary);
    letter-spacing: 0.08em;
    background: var(--cream);
}

.spec-list { list-style: none; border-top: 1px solid var(--line); margin-bottom: 2.2rem; }

.spec-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.85rem 0.2rem;
    border-bottom: 1px solid var(--line);
    font-size: 0.88rem;
}

.spec-list li b {
    font-weight: 500;
    color: var(--matcha-deep);
    letter-spacing: 0.1em;
}

/* 相关产品小卡 */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* 供应网络 / 区域 */
.region-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }

.region-card {
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 2.2rem 2rem;
    background: var(--soft-white);
    transition: all 0.35s ease;
}

.region-card:hover { border-color: var(--matcha-light); box-shadow: 0 16px 36px rgba(107,142,78,0.12); }

.region-card .rg-name {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.15rem;
    color: var(--matcha-deep);
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.region-card .rg-name::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--matcha-primary);
    border-radius: 50%;
}

.region-card .rg-sub {
    font-size: 0.78rem;
    color: var(--matcha-primary);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.region-card p { font-size: 0.84rem; color: var(--charcoal-soft); font-weight: 300; }

.region-card .rg-cities {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--line);
    font-size: 0.78rem;
    color: var(--charcoal-soft);
    line-height: 1.9;
}

/* 联系板块 */
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin: 2.5rem 0; }

.contact-card {
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    background: var(--soft-white);
    transition: all 0.35s ease;
}

.contact-card:hover { border-color: var(--matcha-light); box-shadow: 0 14px 30px rgba(107,142,78,0.1); }

.contact-card .cc-label { font-size: 0.75rem; color: var(--matcha-primary); letter-spacing: 0.15em; margin-bottom: 0.5rem; }

.contact-card .cc-value { font-size: 1.15rem; font-weight: 500; color: var(--charcoal); font-family: 'Noto Serif SC', serif; }

.contact-card .cc-note { font-size: 0.75rem; color: var(--charcoal-soft); margin-top: 0.3rem; }

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--matcha-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.form-group.full { grid-column: 1 / -1; }

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--soft-white);
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.9rem;
    color: var(--charcoal);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--matcha-primary);
    box-shadow: 0 0 0 3px rgba(107,142,78,0.1);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.submit-btn {
    grid-column: 1 / -1;
    justify-self: center;
    margin-top: 1rem;
    padding: 1rem 3.5rem;
    background: var(--matcha-deep);
    color: var(--soft-white);
    border: none;
    border-radius: 3px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--matcha-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(107,142,78,0.3);
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
    background: var(--charcoal);
    color: rgba(250,250,247,0.6);
    padding: 4rem 3rem 2rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto 3rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 2.5rem;
}

.footer-brand h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.4rem;
    color: var(--soft-white);
    margin-bottom: 0.5rem;
}

.footer-brand .brand-en-small {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    color: var(--matcha-light);
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p { font-size: 0.82rem; line-height: 1.8; font-weight: 300; }

.footer-col h4 { font-size: 0.85rem; color: var(--soft-white); margin-bottom: 1.2rem; font-weight: 500; }

.footer-col ul { list-style: none; }

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

.footer-col a {
    color: rgba(250,250,247,0.5);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.3s ease;
}

.footer-col a:hover { color: var(--matcha-light); }

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

.footer-bottom a { color: rgba(250,250,247,0.4); text-decoration: none; }

/* ============================================================
   动画
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
}

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

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
    .nav-menu { gap: 1.2rem; }
    .split-grid { gap: 3rem; }
    .pd-grid { gap: 2.5rem; }
}

@media (max-width: 900px) {
    .site-nav { padding: 1rem 1.5rem; }

    .nav-burger { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0; right: 0;
        height: 100vh;
        width: min(78vw, 320px);
        background: var(--soft-white);
        box-shadow: -10px 0 40px rgba(0,0,0,0.12);
        flex-direction: column;
        align-items: flex-start;
        padding: 5.5rem 2rem 2rem;
        gap: 0.4rem;
        transform: translateX(100%);
        transition: transform 0.4s ease;
        overflow-y: auto;
    }

    .nav-menu.open { transform: translateX(0); }

    .nav-menu .nav-item { width: 100%; }

    .nav-menu .nav-item > a { color: var(--charcoal-soft) !important; font-size: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line); }

    .nav-dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        min-width: 0;
        padding: 0 0 0.5rem 1rem;
        display: none;
    }

    .nav-item.open .nav-dropdown { display: block; }

    .nav-cta { border: none; padding: 0.7rem 0 !important; }

    section { padding: 4rem 1.5rem; }
    .stats-bar { padding: 2.5rem 1.5rem; }

    .split-grid, .scene-panel.active, .pd-grid { grid-template-columns: 1fr; gap: 2.2rem; }

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

    .news-grid, .value-grid, .process-grid, .region-grid, .rel-grid { grid-template-columns: 1fr; }

    .contact-form, .contact-cards { grid-template-columns: 1fr; }

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

    .hero-content h1 { font-size: 2.5rem; letter-spacing: 0.15em; }
    .page-hero h1 { font-size: 1.9rem; }
    .craft-strip::before { display: none; }
    .split-grid .img-col img { height: 300px; }
    .scene-panel .scene-visual { height: 220px; font-size: 2.6rem; }
}

@media (max-width: 500px) {
    .products-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}