/* ==========================================================================
   乌力乌力 - 官网样式
   配色：暖橙 + 自然绿 + 米白，传达“天然 / 新鲜 / 专业”的品牌感
   ========================================================================== */

:root {
    --color-primary: #E8743B;        /* 主色：暖橙 */
    --color-primary-dark: #C95A24;
    --color-primary-light: #FFE4D1;
    --color-secondary: #5B8C5A;      /* 副色：自然绿 */
    --color-secondary-dark: #3F6B3E;
    --color-accent: #F4B942;         /* 点缀：金黄 */
    --color-bg: #FFF8F0;             /* 背景：米白 */
    --color-bg-alt: #FDF1E3;
    --color-text: #2C2416;           /* 正文：深棕 */
    --color-text-light: #6B5D4A;     /* 次要文字 */
    --color-border: #EADBC4;
    --color-dark: #1F1A10;
    --color-white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(60, 40, 20, 0.06);
    --shadow-md: 0 8px 24px rgba(60, 40, 20, 0.10);
    --shadow-lg: 0 16px 48px rgba(60, 40, 20, 0.14);
    --radius: 14px;
    --radius-lg: 22px;
    --container: 1200px;
    --header-h: 72px;
    --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================== 顶部导航 ============================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(255, 248, 240, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

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

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 20px;
    color: var(--color-text);
}
.brand .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    box-shadow: var(--shadow-sm);
}
.brand .brand-text { line-height: 1.1; }
.brand .brand-text small {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}
.nav-links a {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}
.nav-links a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }
.nav-links a.active {
    background: var(--color-primary);
    color: #fff;
}

.nav-cta {
    margin-left: 12px;
    padding: 10px 22px;
    border-radius: 999px;
    background: var(--color-secondary);
    color: #fff !important;
    font-weight: 700;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}
.nav-cta:hover { background: var(--color-secondary-dark); transform: translateY(-1px); }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    color: var(--color-text);
    cursor: pointer;
}

/* ============================== 按钮 ============================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 8px 18px rgba(232, 116, 59, 0.32);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-white {
    background: #fff;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ============================== 首页 Hero ============================== */
.hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -120px;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -160px;
    left: -100px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, #D7E8D3 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}
.hero .container { position: relative; z-index: 1; }

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}
.hero h1 {
    font-size: 52px;
    line-height: 1.12;
    font-weight: 900;
    color: var(--color-dark);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.hero h1 .accent { color: var(--color-primary); }
.hero p.lead {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 32px;
    max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    gap: 36px;
    margin-top: 44px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}
.hero-stat .num {
    font-size: 30px;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}
.hero-stat .label {
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 6px;
}

.hero-visual {
    position: relative;
}
.hero-visual .hero-img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.hero-badge {
    position: absolute;
    background: #fff;
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
}
.hero-badge .ico {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.hero-badge.tl { top: 24px; left: -24px; }
.hero-badge.tl .ico { background: #D7E8D3; }
.hero-badge.br { bottom: 30px; right: -24px; }
.hero-badge.br .ico { background: var(--color-primary-light); }
.hero-badge .t { font-weight: 800; font-size: 15px; color: var(--color-dark); }
.hero-badge .s { font-size: 12px; color: var(--color-text-light); }

/* ============================== 通用区块 ============================== */
.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }

.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}
.section-eyebrow {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: 38px;
    font-weight: 900;
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-head p {
    font-size: 17px;
    color: var(--color-text-light);
}

/* ============================== 特色卡片 ============================== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    transition: all var(--transition);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.feature-card .ico {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.feature-card.green .ico { background: #D7E8D3; color: var(--color-secondary); }
.feature-card.gold .ico { background: #FCEBC0; color: #B8860B; }
.feature-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 10px;
}
.feature-card p { color: var(--color-text-light); font-size: 15px; }

/* ============================== 品牌故事 ============================== */
.story-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: center;
}
.story-visual { position: relative; }
.story-visual img {
    width: 100%;
    aspect-ratio: 5/4;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.story-visual .story-tag {
    position: absolute;
    bottom: -22px;
    left: 24px;
    background: var(--color-secondary);
    color: #fff;
    padding: 16px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}
.story-visual .story-tag .big {
    font-size: 26px;
    font-weight: 900;
    line-height: 1;
}
.story-visual .story-tag .small { font-size: 13px; opacity: 0.9; }

.story-content h2 {
    font-size: 36px;
    font-weight: 900;
    color: var(--color-dark);
    margin-bottom: 18px;
    line-height: 1.2;
}
.story-content > p {
    color: var(--color-text-light);
    font-size: 16px;
    margin-bottom: 16px;
}
.story-list { list-style: none; margin-top: 24px; }
.story-list li {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--color-border);
}
.story-list li:last-child { border-bottom: none; }
.story-list .check {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 900;
}
.story-list .t { font-weight: 700; color: var(--color-dark); }
.story-list .d { font-size: 14px; color: var(--color-text-light); }

/* ============================== 产品卡片 ============================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.product-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.product-thumb {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-primary-light), #FCEBC0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    position: relative;
    overflow: hidden;
}
.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(255,255,255,0.95);
    color: var(--color-primary-dark);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}
.product-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 {
    font-size: 19px;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 8px;
}
.product-body .desc {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 16px;
    flex: 1;
}
.product-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.product-foot .link {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 14px;
}
.product-foot .link:hover { color: var(--color-primary-dark); }

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-light);
}
.empty-state .ico { font-size: 56px; margin-bottom: 16px; opacity: 0.6; }

/* ============================== 工序时间线 ============================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}
.process-step {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    border: 1px solid var(--color-border);
    position: relative;
}
.process-step .step-num {
    position: absolute;
    top: -16px;
    left: 26px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 15px;
    box-shadow: var(--shadow-sm);
}
.process-step .ico { font-size: 30px; margin-bottom: 14px; }
.process-step h4 { font-size: 17px; font-weight: 800; color: var(--color-dark); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--color-text-light); }

/* ============================== 数据带 ============================== */
.stats-band {
    background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    box-shadow: var(--shadow-md);
}
.stats-band .stat { text-align: center; }
.stats-band .stat .num {
    font-size: 40px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
}
.stats-band .stat .label { font-size: 14px; opacity: 0.92; }

/* ============================== CTA ============================== */
.cta-band {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: var(--shadow-md);
}
.cta-band h2 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 10px;
}
.cta-band p { opacity: 0.95; font-size: 16px; }

/* ============================== 页面横幅 ============================== */
.page-banner {
    padding: 64px 0 48px;
    background: linear-gradient(135deg, var(--color-bg-alt), #FCEBC0);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}
.page-banner h1 {
    font-size: 40px;
    font-weight: 900;
    color: var(--color-dark);
    margin-bottom: 12px;
}
.breadcrumb { font-size: 14px; color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 8px; opacity: 0.5; }

/* ============================== 关于我们 ============================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.about-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.value-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 26px;
    border: 1px solid var(--color-border);
    text-align: center;
}
.value-card .ico {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}
.value-card.green .ico { background: #D7E8D3; color: var(--color-secondary); }
.value-card.gold .ico { background: #FCEBC0; color: #B8860B; }
.value-card h3 { font-size: 18px; font-weight: 800; color: var(--color-dark); margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--color-text-light); }

.timeline {
    position: relative;
    max-width: 820px;
    margin: 0 auto;
    padding-left: 40px;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: var(--color-border);
}
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline-item .year {
    display: inline-block;
    font-weight: 900;
    color: var(--color-primary);
    font-size: 18px;
    margin-bottom: 6px;
}
.timeline-item h4 { font-size: 17px; font-weight: 700; color: var(--color-dark); margin-bottom: 6px; }
.timeline-item p { color: var(--color-text-light); font-size: 15px; }

/* ============================== 联系我们 ============================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}
.contact-info-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
}
.contact-info-card h3 { font-size: 22px; font-weight: 800; color: var(--color-dark); margin-bottom: 24px; }
.contact-list { list-style: none; }
.contact-list li {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px dashed var(--color-border);
}
.contact-list li:last-child { border-bottom: none; }
.contact-list .ico {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    border-radius: 12px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.contact-list .label { font-size: 13px; color: var(--color-text-light); }
.contact-list .val { font-size: 15px; font-weight: 700; color: var(--color-dark); }

.contact-form {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-bg);
    transition: all var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
textarea.form-control { min-height: 120px; resize: vertical; }

.form-tip {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    display: none;
}
.form-tip.success { display: block; background: #D7E8D3; color: var(--color-secondary-dark); }
.form-tip.error { display: block; background: #FCE0E0; color: #B23B3B; }

.map-embed {
    margin-top: 48px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}
.map-embed iframe { width: 100%; height: 360px; border: 0; display: block; }

/* ============================== 页脚 ============================== */
.site-footer {
    background: var(--color-dark);
    color: #C9BBA6;
    padding: 64px 0 24px;
    margin-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; }
.footer-col a:hover { color: var(--color-primary); }

.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.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;
    font-size: 16px;
}
.footer-social a:hover { background: var(--color-primary); color: #fff; }

.footer-bottom {
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: #8B7E6A;
}

/* ============================== 滚动揭示动画 ============================== */
.reveal { opacity: 0; transform: translateY(24px); transition: all 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================== 响应式 ============================== */
@media (max-width: 992px) {
    .hero-grid, .story-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 40px; }
    .feature-grid, .product-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-band { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .cta-band { flex-direction: column; text-align: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-badge.tl { left: 12px; }
    .hero-badge.br { right: 12px; }
}

@media (max-width: 640px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: #fff;
        padding: 16px;
        gap: 4px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links.open a { width: 100%; }
    .hero { padding: 48px 0 64px; }
    .hero h1 { font-size: 32px; }
    .section { padding: 56px 0; }
    .section-head h2 { font-size: 28px; }
    .feature-grid, .product-grid, .values-grid, .process-grid, .stats-band, .footer-grid, .form-row {
        grid-template-columns: 1fr;
    }
    .cta-band { padding: 36px 24px; }
    .hero-stats { gap: 20px; flex-wrap: wrap; }
    .hero-badge.tl, .hero-badge.br { display: none; }
}