/* ============================================================
   格鲁吉亚红酒直供 - CSS Styles
   Color Scheme: 深红 #8B1A1A / #8B0000 + 金色 #C4A35A / #D4AF37
   Mobile-First Responsive Design
   ============================================================ */

/* === 变量定义 === */
:root {
    --color-primary: #8B1A1A;      /* 深红主色 */
    --color-primary-dark: #8B0000;  /* 深红深色 */
    --color-primary-light: #A83A3A;
    --color-gold: #C4A35A;         /* 金色 */
    --color-gold-light: #D4AF37;
    --color-gold-pale: #E8D5A3;
    --color-bg: #0F0F0F;           /* 深色背景 */
    --color-bg-alt: #1A1A1A;       /* 次级背景 */
    --color-bg-card: #222222;
    --color-text: #F5F0E8;         /* 暖白文字 */
    --color-text-muted: #A89888;
    --color-border: #333333;
    --color-white: #FFFFFF;

    --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    --font-serif: "Georgia", "Times New Roman", serif;
    --font-size-base: 16px;
    --line-height: 1.7;
    --max-width: 1200px;
    --header-height: 70px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --transition: 0.3s ease;
}

/* === 重置与基础 === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: var(--line-height);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--color-gold-light);
}

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* === 通用容器 === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--color-gold);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 48px;
    font-size: 1.05rem;
}

/* === 按钮 === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition);
    text-align: center;
    min-width: 140px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-color: var(--color-gold);
    color: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(114, 47, 55, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* === 头部导航 === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-gold);
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

.logo-img {    height: 32px;    width: auto;    border-radius: 4px;    object-fit: contain;}

.logo-text {
    color: var(--color-text);
}

.logo:hover .logo-text {
    color: var(--color-gold);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color var(--transition);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width var(--transition);
}

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

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

/* 移动端菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gold);
    border-radius: 2px;
    transition: all var(--transition);
}

/* === 主内容区 === */
.site-main {
    padding-top: var(--header-height);
}

/* === Hero区域 === */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1a0505 0%, #2d0a0a 40%, #1a0a0a 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(114, 47, 55, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(197, 165, 90, 0.1) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23722F37' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 16px;
    letter-spacing: 4px;
    text-shadow: 0 2px 20px rgba(197, 165, 90, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--color-text);
    margin-bottom: 16px;
    font-weight: 300;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* === 核心卖点 === */
.advantages {
    padding: 80px 0;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.advantage-item {
    text-align: center;
    padding: 32px 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.advantage-item:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 1.2rem;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.advantage-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === 产品展示 === */
.products {
    padding: 80px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.product-card {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.product-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-6px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 1;
}

.product-badge.badge-gift {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-primary-dark);
}

.product-image {
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #2a1010 0%, #1a0808 100%);
}

.product-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.bottle-icon {
    font-size: 4rem;
    opacity: 0.6;
}

.bottle-count {
    font-size: 1.2rem;
    color: var(--color-gold);
    font-weight: 600;
}

.gift-placeholder {
    background: linear-gradient(180deg, #2a1a10 0%, #1a1008 100%);
}

.product-info {
    padding: 28px;
}

.product-info h3 {
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: 12px;
}

.product-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.product-tags li {
    background: rgba(197, 165, 90, 0.1);
    border: 1px solid rgba(197, 165, 90, 0.3);
    color: var(--color-gold);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.product-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 20px;
}

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

.price-value {
    font-size: 2.2rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-left: 2px;
}

.price-unit {
    color: var(--color-text-muted);
    margin-left: 4px;
    font-size: 0.95rem;
}

.product-actions {
    display: flex;
    gap: 12px;
}

.product-actions .btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.95rem;
}

/* === 文化区块 === */
.culture {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a0505 0%, #1a1010 100%);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.culture-item {
    padding: 28px;
    background: rgba(34, 34, 34, 0.6);
    border-radius: var(--radius-md);
    border: 1px solid rgba(114, 47, 55, 0.3);
}

.culture-item h3 {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.culture-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === 底部CTA === */
.cta-bottom {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-bottom h2 {
    font-size: 1.8rem;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-bottom p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.cta-bottom .btn-primary {
    background: var(--color-gold);
    color: var(--color-primary-dark);
    border-color: var(--color-gold);
}

.cta-bottom .btn-primary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
}

/* === 页面头部 === */
.page-header {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #1a0505 0%, #2a0a0a 100%);
    text-align: center;
}

.breadcrumb {
    margin-bottom: 24px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-gold);
}

.page-header h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--color-gold);
    margin-bottom: 16px;
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 24px;
}

.price-highlight {
    display: inline-flex;
    align-items: baseline;
    background: linear-gradient(135deg, rgba(114,47,55,0.3), rgba(139,0,0,0.3));
    border: 2px solid var(--color-gold);
    padding: 16px 32px;
    border-radius: var(--radius-lg);
}

.price-symbol-large {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

.price-value-large {
    font-size: 3rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-left: 4px;
}

.price-unit-large {
    color: var(--color-text-muted);
    margin-left: 8px;
    font-size: 1.1rem;
}

/* === 酒箱概述 === */
.box-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-text h2 {
    font-size: 1.8rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.overview-text p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    color: var(--color-text-muted);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* 酒瓶展示 */
.bottle-display {
    background: linear-gradient(180deg, #2a1010 0%, #1a0808 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--color-border);
}

.bottle-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.bottle-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.mini-bottle {
    width: 32px;
    height: 80px;
    border-radius: 8px 8px 4px 4px;
    position: relative;
}

.mini-bottle::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 12px;
    background: inherit;
    filter: brightness(1.2);
    border-radius: 2px 2px 0 0;
}

.bottle-number {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* === 酒款详情 === */
.wine-detail-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.wine-detail-card {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.wine-detail-card:hover {
    border-color: var(--color-gold);
}

.wine-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    flex-shrink: 0;
}

.wine-detail-content h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 4px;
}

.wine-name-en {
    color: var(--color-gold);
    font-size: 0.9rem;
    margin-bottom: 16px;
    font-style: italic;
}

.wine-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.meta-value {
    font-size: 0.95rem;
    color: var(--color-text);
}

.wine-taste {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === 场景 === */
.scene-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.scene-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.scene-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.scene-card h3 {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

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

/* === 交叉销售 === */
.cross-sell {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(114,47,55,0.2), rgba(197,165,90,0.1));
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.cross-sell h2 {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.cross-sell p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* === 内容块 === */
.content-block {
    max-width: 800px;
    margin: 0 auto;
}

.content-block h2 {
    font-size: 1.6rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.content-block p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.02rem;
}

.highlight-box {
    background: var(--color-bg-card);
    border-left: 4px solid var(--color-gold);
    padding: 24px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 32px 0;
}

.highlight-box h3 {
    color: var(--color-gold);
    margin-bottom: 16px;
}

.highlight-box ul {
    list-style: none;
}

.highlight-box li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--color-text-muted);
}

.highlight-box li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--color-gold);
}

/* === 陶罐工艺流程 === */
.qvevri-process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    align-items: start;
}

.process-step {
    text-align: center;
    padding: 24px 16px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-gold);
    margin: 0 auto 16px;
}

.process-step h3 {
    color: var(--color-text);
    font-size: 1rem;
    margin-bottom: 12px;
}

.process-step p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.process-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-gold);
}

/* === 供应链 === */
.supply-chain {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.chain-item {
    padding: 32px 24px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.chain-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.chain-item h3 {
    color: var(--color-gold);
    font-size: 1.15rem;
    margin-bottom: 12px;
}

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

/* === 为什么选择我们 === */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.why-item {
    padding: 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.why-item h3 {
    color: var(--color-gold);
    font-size: 1.05rem;
    margin-bottom: 8px;
}

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

/* === 联系页面 === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-card,
.contact-info-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--color-border);
}

.contact-card h2,
.contact-info-card h2 {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.qr-code-image {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.qr-code-image img {
    width: 240px;
    height: 240px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(196, 163, 90, 0.25);
    border: 2px solid var(--color-border);
    display: block;
}

.contact-note {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-align: center;
}

.info-item {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
}

.info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-item h3 {
    color: var(--color-gold);
    font-size: 1.05rem;
    margin-bottom: 10px;
}

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

.info-note {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* === FAQ === */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    color: var(--color-gold);
    font-size: 1.5rem;
    transition: transform var(--transition);
}

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

.faq-item p {
    padding: 0 24px 20px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* === 文章页面 === */
.guide-article {
    padding: 60px 0;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-section {
    margin-bottom: 48px;
}

.article-section h2 {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.article-section h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin: 24px 0 12px;
}

.article-section p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 1.02rem;
}

.article-section ul {
    margin: 16px 0;
    padding-left: 24px;
}

.article-section li {
    color: var(--color-text-muted);
    margin-bottom: 10px;
    line-height: 1.7;
    position: relative;
    list-style: disc;
}

/* 对比表格 */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: 14px 16px;
    text-align: left;
    border: 1px solid var(--color-border);
}

.comparison-table th {
    background: linear-gradient(135deg, rgba(114,47,55,0.3), rgba(139,0,0,0.3));
    color: var(--color-gold);
    font-weight: 600;
}

.comparison-table td {
    background: var(--color-bg-card);
    color: var(--color-text-muted);
}

/* === 页脚 === */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-col h3 {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-col ul a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

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

.quick-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
    .qvevri-process {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .container {
        padding: 0 16px;
    }

    .section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    /* 导航 */
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition);
        pointer-events: none;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .main-nav a {
        padding: 16px 24px;
        text-align: center;
        border-bottom: 1px solid var(--color-border);
    }

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

    /* Hero */
    .hero {
        min-height: 70vh;
    }

    .hero-title {
        letter-spacing: 2px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }

    /* 产品 */
    .product-grid {
        grid-template-columns: 1fr;
    }

    /* 关于页 */
    .box-overview {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* 酒款卡片 */
    .wine-detail-card {
        grid-template-columns: 1fr;
    }

    .wine-number {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }

    /* 联系页 */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* 工艺流程 */
    .qvevri-process {
        grid-template-columns: 1fr;
    }

    /* 表格 */
    .comparison-table {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 12px;
    }

    /* 产品动作按钮 */
    .product-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .advantage-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-price {
        flex-wrap: wrap;
    }

    .price-value {
        font-size: 1.8rem;
    }

    .price-value-large {
        font-size: 2.4rem;
    }
}

/* === 滚动条美化 === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* === 选中文字 === */
::selection {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ============================================================
   文章系统样式
   ============================================================ */

/* 文章列表页 */
.articles-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.article-list-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.article-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-card:hover {
    border-color: var(--color-gold);
    box-shadow: 0 4px 20px rgba(139,26,26,0.08);
    transform: translateY(-2px);
}

.article-card-body {
    flex: 1;
}

.article-card-title {
    font-size: 1.2rem;
    margin: 0 0 0.5rem;
}

.article-card-title a {
    color: var(--color-primary);
    text-decoration: none;
}

.article-card-title a:hover {
    color: var(--color-gold);
}

.article-card-desc {
    color: #666;
    font-size: 0.9rem;
    margin: 0 0 0.8rem;
    line-height: 1.5;
}

.article-card-meta {
    font-size: 0.8rem;
    color: #999;
}

.article-card-link {
    color: var(--color-gold);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    margin-left: 1rem;
}

.article-card-link:hover {
    color: var(--color-primary);
}

/* 标签 */
.article-tags {
    margin-left: 0.8rem;
}

.tag {
    display: inline-block;
    background: #f8f4f0;
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-right: 4px;
}

/* 文章详情页 */
.article-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 3rem 0 2rem;
}

.article-meta-info {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

.article-body {
    padding: 2rem 0;
}

.article-content {
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.8;
    color: #333;
}

.article-content h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-gold);
}

.article-content h3 {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    margin: 1.5rem 0 0.8rem;
}

.article-content p {
    margin: 0 0 1rem;
}

.article-content ul, .article-content ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content strong {
    color: var(--color-primary);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.article-content table th,
.article-content table td {
    padding: 0.8rem;
    border: 1px solid #eee;
    text-align: left;
}

.article-content table th {
    background: #f8f4f0;
    color: var(--color-primary);
    font-weight: 600;
}

/* 产品内链 */
.article-product-links {
    background: #f8f4f0;
    border: 1px solid var(--color-gold);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem auto;
    max-width: 750px;
    text-align: center;
}

.article-product-links h3 {
    margin: 0 0 0.5rem;
    color: var(--color-primary);
}

.article-product-links p {
    color: #666;
    margin: 0 0 1rem;
}

/* 相关推荐 */
.related-articles {
    max-width: 750px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.related-articles h2 {
    font-size: 1.3rem;
    color: var(--color-primary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.related-card {
    background: #f8f4f0;
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    transition: all 0.3s;
}

.related-card:hover {
    background: #f0e8e0;
}

.related-card h4 {
    color: var(--color-primary);
    margin: 0 0 0.3rem;
    font-size: 0.95rem;
}

.related-card p {
    color: #666;
    font-size: 0.8rem;
    margin: 0;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: #999;
}

.empty-state a {
    color: var(--color-gold);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .article-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-card-link {
        margin-left: 0;
        margin-top: 0.5rem;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   知识库独立板块样式
   ============================================================ */

/* Hero Section */
.kb-hero {
    background: linear-gradient(135deg, #8B1A1A 0%, #5C1010 60%, #3A0808 100%);
    color: #fff;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.kb-hero::before {
    content: ;
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: radial-gradient(ellipse at top right, rgba(196, 163, 90, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.kb-hero .breadcrumb {
    margin-bottom: 24px;
}

.kb-hero .breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.kb-hero .breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

.kb-hero-content {
    max-width: 640px;
    position: relative;
    z-index: 1;
}

.kb-badge {
    display: inline-block;
    background: rgba(196, 163, 90, 0.2);
    border: 1px solid rgba(196, 163, 90, 0.4);
    color: #C4A35A;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-weight: 500;
}

.kb-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: #fff;
    line-height: 1.2;
}

.kb-hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 32px;
}

.kb-stats {
    display: flex;
    gap: 40px;
}

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

.kb-stat-num {
    font-size: 2rem;
    font-weight: 700;
    color: #C4A35A;
    line-height: 1;
}

.kb-stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
}

/* Category Navigation */
.kb-categories {
    background: #faf8f5;
    padding: 24px 0;
    border-bottom: 1px solid #f0ebe3;
    position: sticky;
    top: 60px;
    z-index: 50;
}

.kb-category-grid {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.kb-category-grid::-webkit-scrollbar {
    display: none;
}

.kb-category-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #fff;
    border: 1px solid #e8e2d8;
    border-radius: 24px;
    font-size: 0.9rem;
    color: #555;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    cursor: pointer;
}

.kb-category-card:hover {
    border-color: #8B1A1A;
    color: #8B1A1A;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(139, 26, 26, 0.1);
}

.kb-category-card.active {
    background: #8B1A1A;
    border-color: #8B1A1A;
    color: #fff;
    box-shadow: 0 4px 12px rgba(139, 26, 26, 0.25);
}

.kb-cat-icon {
    font-size: 1.1rem;
}

.kb-cat-name {
    font-weight: 500;
}

/* Article List */
.kb-articles-section {
    padding: 48px 0 64px;
    background: #fff;
}

.kb-article-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.kb-article-card {
    background: #fff;
    border: 1px solid #f0ebe3;
    border-radius: 12px;
    transition: all 0.25s ease;
    overflow: hidden;
}

.kb-article-card:hover {
    border-color: #C4A35A;
    box-shadow: 0 4px 20px rgba(139, 26, 26, 0.08);
    transform: translateY(-2px);
}

.kb-article-card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 32px;
    gap: 24px;
}

.kb-article-card-left {
    flex: 1;
    min-width: 0;
}

.kb-article-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.kb-article-title a {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.2s;
}

.kb-article-title a:hover {
    color: #8B1A1A;
}

.kb-article-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kb-article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.kb-article-meta time {
    font-size: 0.85rem;
    color: #999;
}

.kb-article-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.kb-tag {
    font-size: 0.75rem;
    color: #8B1A1A;
    background: rgba(139, 26, 26, 0.08);
    padding: 3px 10px;
    border-radius: 12px;
}

.kb-read-btn {
    flex-shrink: 0;
    color: #8B1A1A;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid #8B1A1A;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}

.kb-read-btn:hover {
    background: #8B1A1A;
    color: #fff;
}

/* Empty State */
.kb-empty {
    text-align: center;
    padding: 80px 20px;
}

.kb-empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 20px;
}

.kb-empty h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 12px;
}

.kb-empty p {
    color: #666;
    margin-bottom: 8px;
}

.kb-empty a {
    color: #8B1A1A;
    text-decoration: underline;
}

/* CTA Section */
.kb-cta {
    background: linear-gradient(135deg, #faf8f5 0%, #f5f0e8 100%);
    padding: 64px 0;
}

.kb-cta-inner {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.kb-cta-inner h2 {
    font-size: 1.75rem;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.kb-cta-inner p {
    color: #666;
    margin-bottom: 28px;
    font-size: 1.05rem;
}

/* Responsive */
@media (max-width: 768px) {
    .kb-hero {
        padding: 60px 0 40px;
    }
    
    .kb-hero h1 {
        font-size: 1.8rem;
    }
    
    .kb-hero-desc {
        font-size: 1rem;
    }
    
    .kb-stats {
        gap: 24px;
    }
    
    .kb-stat-num {
        font-size: 1.5rem;
    }
    
    .kb-categories {
        top: 56px;
    }
    
    .kb-article-card-body {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 16px;
    }
    
    .kb-article-title {
        font-size: 1.1rem;
    }
    
    .kb-read-btn {
        width: 100%;
        text-align: center;
    }
}


/* 混装首创 · 核心卖点区块 */
.mixed-innovation {
    background: linear-gradient(135deg, #1a0505 0%, #2d0a0a 50%, #1a0505 100%);
    color: var(--color-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.mixed-innovation::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center, rgba(196,163,90,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.mixed-badge {
    display: inline-block;
    background: var(--color-gold);
    color: #1a0505;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.mixed-innovation .section-title {
    color: var(--color-gold);
    font-size: 2rem;
    margin-bottom: 8px;
}
.mixed-innovation .section-subtitle {
    color: #ccc;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.mixed-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.mixed-step {
    flex: 0 0 180px;
    text-align: center;
}
.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    color: var(--color-gold);
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}
.mixed-step h3 {
    color: var(--color-gold);
    font-size: 1.3rem;
    margin-bottom: 8px;
}
.mixed-step p {
    color: #bbb;
    font-size: 0.9rem;
    line-height: 1.6;
}
.mixed-cta {
    margin-top: 10px;
}
.mixed-cta .btn {
    margin-right: 16px;
}
.mixed-note {
    color: #999;
    font-size: 0.9rem;
}
@media (max-width: 768px) {
    .mixed-steps { gap: 20px; }
    .mixed-step { flex: 0 0 140px; }
    .mixed-innovation .section-title { font-size: 1.5rem; }
}
.mixed-badge-inline { display: inline-block; background: var(--color-gold); color: #1a0505; font-size: 0.9rem; font-weight: 700; padding: 6px 20px; border-radius: 20px; margin-top: 12px; letter-spacing: 1px; }