/*
 * 文件名: style.css
 * 项目: 河北华融棉业有限公司企业官网重构
 * 描述: 围绕“ 大地丰收 ”的设计定位，打造棉田日落氛围、暖调工业级排版、数据化仪表与交互式地图/行情模块，覆盖全站基础与专题页面。
 */

/* ==========================================================================
   1. CSS 变量系统 (色彩/阴影/尺寸)
   ========================================================================== */
:root {
    --color-earth: #7A4B24;           /* 大地主色 */
    --color-earth-deep: #4F2E13;      /* 深棕 */
    --color-amber: #F59E0B;           /* 丰收金 */
    --color-amber-soft: #FBBF24;
    --color-leaf: #4D7C0F;            /* 棉田绿 */
    --color-sand: #FFF7EC;            /* 背景米色 */
    --color-sand-2: #F4E9DC;
    --color-surface: #FFFFFF;
    --color-surface-alt: #FEF3E6;
    --color-ink: #1F2937;
    --color-muted: #6B7280;
    --color-border: #E5DED4;
    --color-overlay: rgba(122, 75, 36, 0.12);
    --shadow-soft: 0 14px 50px rgba(122, 75, 36, 0.12);
    --shadow-strong: 0 18px 60px rgba(122, 75, 36, 0.18);
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-pill: 999px;
    --spacing-unit: 1rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3.2rem;
    --container: 1220px;
    --transition: 0.28s ease;
    --grid-gap: 1.2rem;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

/* ==========================================================================
   2. 全局重置与基础排版
   ========================================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    background: radial-gradient(circle at 12% 18%, rgba(245, 158, 11, 0.12), transparent 28%),
                radial-gradient(circle at 86% 12%, rgba(77, 124, 15, 0.08), transparent 24%),
                linear-gradient(180deg, #FFFDF8 0%, #FFF7EC 45%, #F5E8D6 100%);
    color: var(--color-ink);
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    padding-top: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
::selection { background: var(--color-amber); color: #fff; }

a { color: var(--color-earth); text-decoration: none; transition: color var(--transition), transform var(--transition); }
a:hover { color: var(--color-amber); }

h1, h2, h3, h4, h5, h6 {
    color: var(--color-earth);
    margin-bottom: var(--spacing-sm);
    line-height: 1.25;
    letter-spacing: 0.15px;
    font-family: 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.1rem; }
h3 { font-size: 1.65rem; }
h4 { font-size: 1.2rem; }

p { margin-bottom: var(--spacing-sm); color: var(--color-ink); }

.container { width: min(var(--container), 94vw); margin: 0 auto; }
.section { padding: var(--spacing-xl) 0; }

/* ==========================================================================
   3. 工具类
   ========================================================================== */
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.lead { max-width: 820px; margin: 0.5rem auto; color: var(--color-ink); font-size: 1.05rem; }
.lead-left { max-width: 820px; margin: 0.5rem 0; color: var(--color-ink); font-size: 1.05rem; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.col-span-full { grid-column: 1 / -1; }
.rounded { border-radius: 16px; }
.img-responsive { width: 100%; height: auto; display: block; border-radius: 14px; }
.img-contain { object-fit: contain; }
.caption-italic { font-style: italic; color: var(--color-muted); text-align: center; margin-top: var(--spacing-sm); }
.text-right { text-align: right; }
.note-muted { margin-top: var(--spacing-sm); color: var(--color-muted); }
.main-content { padding: var(--spacing-xl) 0; }

.grid { display: grid; gap: var(--grid-gap); }
.grid-col-1 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
    .grid-col-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-col-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-col-4 { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
    .grid-col-5 { grid-template-columns: repeat(5, 1fr); }
    .grid-col-6 { grid-template-columns: repeat(6, 1fr); }
    .grid-sidebar { grid-template-columns: 300px 1fr; align-items: flex-start; gap: var(--spacing-lg); }
}

/* ==========================================================================
   4. 按钮/标签/徽章
   ========================================================================== */
.btn-primary, .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.9rem 1.5rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    border: 1px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(120deg, #F59E0B, #F7C266);
    color: #3b250c;
    box-shadow: var(--shadow-soft);
}
.btn-primary:hover { box-shadow: var(--shadow-strong); transform: translateY(-2px); }
.btn-ghost {
    background: rgba(122, 75, 36, 0.08);
    color: var(--color-earth);
    border-color: rgba(122, 75, 36, 0.22);
}
.btn-ghost:hover { background: rgba(122, 75, 36, 0.14); }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.42rem 0.9rem;
    border-radius: var(--radius-pill);
    background: rgba(122, 75, 36, 0.08);
    color: var(--color-earth);
    font-weight: 600;
    border: 1px solid rgba(122, 75, 36, 0.12);
}
.pill-group { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); }
.pill-group.center { justify-content: center; }

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.35rem 0.85rem;
    background: rgba(245, 158, 11, 0.16);
    color: var(--color-earth);
    border-radius: var(--radius-pill);
    border: 1px solid rgba(245, 158, 11, 0.4);
    font-weight: 700;
    letter-spacing: 0.2px;
}

/* ==========================================================================
   5. 卡片与模块基类
   ========================================================================== */
.card, .surface-muted {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}
.card::after, .surface-muted::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 14%, rgba(245, 158, 11, 0.08), transparent 30%),
                radial-gradient(circle at 82% 10%, rgba(77, 124, 15, 0.07), transparent 26%);
    opacity: 0.35;
    pointer-events: none;
}
.card:hover { box-shadow: var(--shadow-strong); transform: translateY(-2px); }
.surface-muted { background: var(--color-surface-alt); }

.list-check { list-style: none; padding-left: 0; margin: var(--spacing-sm) 0; }
.list-check li { position: relative; padding-left: 1.4rem; margin-bottom: 0.45rem; color: var(--color-ink); }
.list-check li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--color-leaf); font-weight: 700; }

.highlight-box {
    background: rgba(245, 158, 11, 0.12);
    border: 1px dashed rgba(122, 75, 36, 0.32);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    color: var(--color-earth);
}

.table-like { width: 100%; border-collapse: collapse; margin-top: var(--spacing-sm); background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-soft); }
.table-like th, .table-like td { border: 1px solid var(--color-border); padding: 0.8rem 0.9rem; text-align: left; }
.table-like th { background: rgba(245, 158, 11, 0.16); color: var(--color-earth); }

/* ==========================================================================
   6. 导航与顶部条
   ========================================================================== */
.header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 247, 236, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 222, 212, 0.8);
    box-shadow: 0 8px 30px rgba(31, 26, 20, 0.08);
    z-index: 999;
}
.topbar {
    min-height: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 1rem;
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.22), rgba(77, 124, 15, 0.18));
    color: #3d2b12;
    font-size: 0.92rem;
}
.topbar .bar-left,
.topbar .bar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar .bar-left { display: flex; align-items: center; gap: 10px; }
.topbar .bar-right { display: flex; align-items: center; gap: 12px; }
.topbar span { display: inline-flex; align-items: center; gap: 6px; }

.navbar { position: relative; min-height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 0.4rem; }
.logo a { font-family: 'Source Han Serif SC', 'PingFang SC', serif; font-size: clamp(1.2rem, 3vw, 1.65rem); font-weight: 800; color: var(--color-earth); letter-spacing: 0.6px; white-space: nowrap; }

.nav-menu { list-style: none; display: none; align-items: center; gap: var(--spacing-sm); }
@media (min-width: 1024px) { .nav-menu { display: flex; } }

.nav-item { position: relative; }
.nav-link {
    display: block; padding: 0.7rem 1rem; border-radius: var(--radius-pill);
    color: var(--color-ink); font-weight: 600; transition: background var(--transition), color var(--transition);
}
.nav-link:hover, .nav-link.active { background: rgba(245, 158, 11, 0.16); color: var(--color-earth); }

.dropdown-menu {
    display: none; position: absolute; top: 110%; left: 0; min-width: 220px;
    background: var(--color-surface); box-shadow: var(--shadow-strong);
    list-style: none; padding: var(--spacing-sm); border-radius: 14px; border: 1px solid var(--color-border);
}
.nav-item:hover > .dropdown-menu { display: block; }
.dropdown-item a { padding: 0.55rem 0.75rem; display: block; border-radius: 10px; color: var(--color-ink); }
.dropdown-item a:hover { background: rgba(122, 75, 36, 0.08); color: var(--color-earth); }

.menu-toggle { display: block; cursor: pointer; font-size: 1.6rem; color: var(--color-earth); }
@media (min-width: 1024px) { .menu-toggle { display: none; } }

.nav-menu.mobile-open {
    display: block;
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    left: 0;
    right: 0;
    background: var(--color-surface);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-strong);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    z-index: 20;
}
.nav-menu.mobile-open .nav-item { margin-bottom: var(--spacing-sm); }

/* ==========================================================================
   7. 英雄区（棉田日落 & 子页面版头）
   ========================================================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, rgba(122, 75, 36, 0.30), rgba(245, 158, 11, 0.24)),
                url('../images/raw_material_cotton_field_sunset.png') center/cover no-repeat;
    color: var(--color-earth);
    padding: calc(var(--spacing-xl) + 1.2rem) 0;
    overflow: hidden;
}
.hero.sub-hero {
    background: linear-gradient(135deg, rgba(122, 75, 36, 0.22), rgba(255, 247, 236, 0.95)),
                url('../images/raw_material_cotton_field.png') center/cover no-repeat;
    padding: var(--spacing-xl) 0;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 22% 18%, rgba(247, 196, 102, 0.16), transparent 30%),
                linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
    mix-blend-mode: screen;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { text-align: center; max-width: 980px; margin: 0 auto; }
.hero h1 { color: #3b250c; margin-bottom: var(--spacing-sm); }
.hero p { color: var(--color-ink); max-width: 860px; margin: 0.85rem auto; }

.hero-grid { display: grid; gap: var(--grid-gap); grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-top: var(--spacing-md); }
.stat-card { background: rgba(255, 255, 255, 0.9); padding: var(--spacing-md); border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); }
.stat-number { font-size: 1.7rem; font-weight: 800; color: var(--color-earth); }
.stat-label { color: var(--color-muted); }

.floating-cotton { position: absolute; inset: 0; background-image:
    radial-gradient(circle at 10% 24%, rgba(255,255,255,0.45) 0, rgba(255,255,255,0) 60px),
    radial-gradient(circle at 80% 8%, rgba(255,255,255,0.38) 0, rgba(255,255,255,0) 70px),
    radial-gradient(circle at 32% 76%, rgba(255,255,255,0.42) 0, rgba(255,255,255,0) 55px);
    animation: drift 18s linear infinite; z-index: 1; opacity: 0.9; }
.floating-cotton::before, .floating-cotton::after {
    content: ''; position: absolute; top: 10%; right: 6%; width: 240px; height: 240px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.7), transparent 60%);
    filter: blur(22px); animation: drift 12s ease-in-out infinite alternate; opacity: 0.8;
}
.floating-cotton::after { top: 54%; right: 12%; width: 180px; height: 180px; animation-duration: 16s; opacity: 0.6; }
@keyframes drift { 0% { transform: translateY(0) translateX(0); } 50% { transform: translateY(-12px) translateX(8px); } 100% { transform: translateY(0) translateX(0); } }

.hero-split { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--spacing-lg); align-items: center; }
.hero-panel { background: rgba(255,255,255,0.92); border-radius: var(--radius-lg); padding: var(--spacing-md); box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); }

/* ==========================================================================
   8. 数据/行情/地图专属组件
   ========================================================================== */
.ticker { background: rgba(255, 255, 255, 0.92); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); }
.ticker-track { padding: 0.8rem 1rem; white-space: nowrap; animation: marquee 26s linear infinite; color: var(--color-earth); font-weight: 700; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.price-board { background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(77, 124, 15, 0.10)); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); padding: var(--spacing-md); }
.price-board-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-sm); }
.price-rows { display: grid; gap: 0.6rem; }
.price-row { display: grid; grid-template-columns: 1.2fr 0.7fr 0.5fr; gap: 10px; align-items: center; padding: 0.75rem 0.9rem; background: #fff; border-radius: 12px; border: 1px solid var(--color-border); box-shadow: inset 0 1px 0 rgba(255,255,255,0.6); }
.price-row strong { color: var(--color-earth); }
.price-chip { display: inline-flex; align-items: center; gap: 6px; padding: 0.28rem 0.65rem; border-radius: var(--radius-pill); font-weight: 700; }
.price-chip.up { background: rgba(77, 124, 15, 0.12); color: #245306; }
.price-chip.down { background: rgba(220, 38, 38, 0.12); color: #991b1b; }
.price-time { color: var(--color-muted); font-size: 0.9rem; }

.map-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--spacing-lg); align-items: center; }
.map-card { background: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(122, 75, 36, 0.10)); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--spacing-md); box-shadow: var(--shadow-soft); }
.map-visual { position: relative; background: radial-gradient(circle at 40% 30%, rgba(245, 158, 11, 0.12), transparent 40%),
                                    linear-gradient(120deg, rgba(122,75,36,0.08), rgba(77,124,15,0.06));
    border-radius: 16px; border: 1px solid var(--color-border); padding: var(--spacing-md); box-shadow: var(--shadow-soft);
}
.map-visual svg { width: 100%; height: auto; display: block; }
.map-region { fill: rgba(255, 255, 255, 0.86); stroke: rgba(122, 75, 36, 0.38); stroke-width: 2; filter: drop-shadow(0 10px 22px rgba(0,0,0,0.08)); }
.map-link { stroke: rgba(122, 75, 36, 0.35); stroke-width: 2; stroke-dasharray: 6 6; fill: none; }
.map-pin { fill: #F59E0B; stroke: #7A4B24; stroke-width: 2; }
.map-pin.secondary { fill: #4D7C0F; stroke: #2f4f0b; }
.map-label { font-size: 13px; fill: #3b250c; font-weight: 700; }
.map-badge { fill: rgba(255,255,255,0.92); stroke: rgba(122,75,36,0.3); }
[data-pin] { transition: transform 0.4s ease, filter 0.4s ease; transform-origin: center; }
.pin-active { transform: scale(1.08); filter: drop-shadow(0 0 14px rgba(245,158,11,0.55)); }
.legend { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); margin-top: var(--spacing-sm); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; background: #fff; padding: 0.4rem 0.65rem; border-radius: var(--radius-pill); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }
.legend-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--color-amber); }
.legend-dot-green { background: var(--color-leaf); }

.location-board { display: grid; gap: var(--spacing-sm); margin-top: var(--spacing-sm); }
.location-item { display: grid; grid-template-columns: 1fr auto; gap: 6px; padding: 0.75rem 0.85rem; border-radius: 12px; border: 1px solid var(--color-border); background: #fff; box-shadow: var(--shadow-soft); }
.location-item strong { color: var(--color-earth); }

/* ==========================================================================
   9. 棉花等级色卡 & 农户故事
   ========================================================================== */
.grade-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--grid-gap); }
.grade-card { position: relative; padding: var(--spacing-md); border-radius: var(--radius-lg); color: #2b1b0a; overflow: hidden; box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); background: #fff; }
.grade-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(255,255,255,0)); opacity: 0.8; }
.grade-card h3 { margin-bottom: 0.35rem; position: relative; }
.grade-meta { position: relative; color: var(--color-muted); margin-bottom: 0.4rem; }
.grade-badge { position: absolute; top: 14px; right: 14px; padding: 0.35rem 0.7rem; background: rgba(122,75,36,0.12); border-radius: var(--radius-pill); border: 1px solid rgba(122,75,36,0.25); font-weight: 700; }

.story-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--grid-gap); }
.story-card { background: #fff; border-radius: var(--radius-lg); padding: var(--spacing-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: var(--spacing-sm); }
.story-top { display: flex; align-items: center; gap: 10px; }
.story-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, #F59E0B, #FBBF24); color: #3b250c; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; }
.story-badge { padding: 0.3rem 0.65rem; border-radius: var(--radius-pill); background: rgba(77,124,15,0.1); color: #2f4f0b; font-weight: 700; }

/* ==========================================================================
   10. 产品/品质/服务通用模块
   ========================================================================== */
.section-title { text-align: center; margin-bottom: var(--spacing-lg); }
.section-title p { color: var(--color-muted); max-width: 780px; margin: 0.5rem auto 0; }

.product-grid, .service-grid, .culture-grid, .base-grid, .yarn-grid, .equip-grid, .flow-grid, .process-grid, .timeline-grid, .cert-grid, .grade-table { display: grid; gap: var(--grid-gap); }
.product-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.service-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.culture-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.base-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.yarn-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.equip-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.flow-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.process-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.timeline-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.cert-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grade-table { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.product-card img { width: 100%; height: 220px; object-fit: cover; border-radius: 12px; margin-bottom: 0.75rem; }
.product-card h3 { margin: 0 0 0.4rem; color: var(--color-earth); }
.qc-card-img { width: 100%; height: 200px; object-fit: cover; border-radius: 14px; }

.surface-muted h3 { color: var(--color-earth); }

.map-placeholder, .map-container { background: linear-gradient(135deg, rgba(122, 75, 36, 0.08), rgba(245, 158, 11, 0.16)); border: 1px dashed rgba(122, 75, 36, 0.3); border-radius: var(--radius-lg); padding: var(--spacing-lg); text-align: center; color: var(--color-earth); box-shadow: var(--shadow-soft); }

.timeline { position: relative; padding-left: 1.5rem; border-left: 3px solid rgba(122, 75, 36, 0.28); }
.timeline-item { position: relative; padding: 0.5rem 0 1rem 0; }
.timeline-item::before { content: ''; position: absolute; left: -1.65rem; top: 0.6rem; width: 12px; height: 12px; border-radius: 50%; background: var(--color-amber); border: 3px solid #fff; box-shadow: var(--shadow-soft); }
.timeline-item h3 { margin-bottom: 0.35rem; }
.timeline-card { background: #fff; border-radius: var(--radius-lg); padding: var(--spacing-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }

.qc-step, .qc-system-chart { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--color-border); padding: var(--spacing-md); box-shadow: var(--shadow-soft); }

.apply-box { padding: var(--spacing-md); border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(245,158,11,0.14), rgba(255,255,255,0.94)); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }

/* ==========================================================================
   11. 次级导航/侧栏
   ========================================================================== */
.secondary-nav { background: rgba(122, 75, 36, 0.06); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); margin-bottom: var(--spacing-lg); }
.secondary-nav .container { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; padding: var(--spacing-sm) 0; }
.secondary-nav a { padding: 0.65rem 1rem; border-radius: var(--radius-pill); border: 1px solid var(--color-border); color: var(--color-ink); }
.secondary-nav a:hover, .secondary-nav a.active { background: rgba(245, 158, 11, 0.18); color: var(--color-earth); }

.sidebar { background: rgba(255,255,255,0.95); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--spacing-md); box-shadow: var(--shadow-soft); position: sticky; top: 120px; }
.sidebar h3 { margin-bottom: var(--spacing-sm); }
.sidebar ul { list-style: none; display: grid; gap: 0.35rem; padding: 0; }
.sidebar a { display: block; padding: 0.65rem 0.7rem; border-radius: 10px; color: var(--color-ink); border: 1px solid transparent; }
.sidebar a:hover { background: rgba(122, 75, 36, 0.08); color: var(--color-earth); }
.sidebar a.active { background: rgba(245, 158, 11, 0.16); color: var(--color-earth); border-color: var(--color-border); font-weight: 700; }

.mini-nav h3 { margin-bottom: var(--spacing-sm); color: var(--color-earth); }
.mini-nav a { display: block; padding: 0.65rem 0.8rem; border-radius: 10px; border: 1px solid var(--color-border); margin-bottom: 0.5rem; color: var(--color-ink); }
.mini-nav a:hover { background: rgba(122,75,36,0.06); color: var(--color-earth); }

/* ==========================================================================
   12. 新闻/文章/案例样式
   ========================================================================== */
.news-list { display: grid; grid-template-columns: 1fr; gap: var(--spacing-md); list-style: none; }
.news-list li { display: grid; gap: var(--spacing-md); grid-template-columns: 260px 1fr; align-items: center; background: #fff; padding: var(--spacing-md); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); }
.news-list img { width: 100%; height: 160px; object-fit: cover; border-radius: 12px; }
.news-card h4 { margin-bottom: 0.4rem; color: var(--color-earth); }
.news-card p { color: var(--color-muted); }
.article-header { margin-bottom: var(--spacing-sm); }
.article-meta { color: var(--color-muted); font-size: 0.95rem; margin-bottom: var(--spacing-sm); }
.article-body { background: #fff; border-radius: var(--radius-lg); padding: var(--spacing-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }

.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--grid-gap); }
.case-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); overflow: hidden; display: flex; flex-direction: column; }
.case-card img { width: 100%; height: 180px; object-fit: cover; }
.case-card .body { padding: var(--spacing-md); }
.case-card h3 { margin: 0 0 0.35rem; color: var(--color-earth); }
.case-card p { color: var(--color-muted); }
.case-card-content { padding: var(--spacing-md); }
.case-card-content h3 { margin: 0 0 0.35rem; color: var(--color-earth); }
.case-card-content p { color: var(--color-muted); }
.case-detail-header { margin-bottom: var(--spacing-md); }
.case-meta { color: var(--color-muted); }
.case-body { background: #fff; padding: var(--spacing-md); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); }
.case-body img { margin: var(--spacing-md) 0; border-radius: 14px; box-shadow: var(--shadow-soft); }
.pagination { display: flex; gap: var(--spacing-sm); justify-content: center; margin-top: var(--spacing-md); }
.pagination a { padding: 0.65rem 1rem; border-radius: var(--radius-pill); background: #fff; border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); color: var(--color-ink); }
.pagination a:hover { background: rgba(245, 158, 11, 0.16); color: var(--color-earth); }

/* ==========================================================================
   13. 职位与招聘
   ========================================================================== */
.hr-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--grid-gap); }
.job-card { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--color-border); padding: var(--spacing-md); box-shadow: var(--shadow-soft); display: grid; gap: 0.4rem; }
.job-card h3 { margin-bottom: 0.2rem; }
.job-meta { color: var(--color-muted); font-size: 0.95rem; }
.job-detail-header { margin-bottom: var(--spacing-md); }
.job-body { background: #fff; padding: var(--spacing-md); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); border: 1px solid var(--color-border); }
.hr-image { border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-soft); }

/* ==========================================================================
   14. 表单
   ========================================================================== */
.form-grid { display: grid; gap: var(--spacing-sm); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.form-control { width: 100%; padding: 0.9rem 1rem; border-radius: 12px; border: 1px solid var(--color-border); background: #fff; color: var(--color-ink); }
.form-control:focus { outline: 2px solid rgba(245, 158, 11, 0.4); }

/* ==========================================================================
   15. 详情页、图库、规格表
   ========================================================================== */
.product-gallery, .gallery, .item-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--grid-gap); }
.product-gallery img, .gallery img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.product-detail-img { width: 100%; height: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.spec-table { width: 100%; border-collapse: collapse; margin-top: var(--spacing-sm); background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-soft); }
.spec-table th, .spec-table td { border: 1px solid var(--color-border); padding: 0.8rem 0.9rem; text-align: left; }
.spec-table th { background: rgba(245, 158, 11, 0.16); color: var(--color-earth); }
.content-body { background: #fff; border-radius: var(--radius-lg); padding: var(--spacing-md); border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }
.illustration { height: 200px; width: auto; display: block; margin: var(--spacing-sm) auto 0; }

/* ==========================================================================
   16. Footer
   ========================================================================== */
.footer { background: linear-gradient(120deg, #FDF7E3 0%, #F8EFD4 100%); color: var(--color-ink); padding: var(--spacing-xl) 0 var(--spacing-lg); margin-top: var(--spacing-xl); border-top: 1px solid var(--color-border); }
.footer h3 { color: var(--color-earth); margin-bottom: var(--spacing-sm); }
.footer a { color: var(--color-ink); }
.footer a:hover { color: var(--color-earth); }
.footer-grid { justify-items: center; text-align: center; gap: var(--spacing-lg); }
.footer-bottom { text-align: center; padding-top: var(--spacing-unit); border-top: 1px solid rgba(122, 75, 36, 0.2); margin-top: var(--spacing-unit); font-size: 0.94rem; }
.qr-placeholder { height: 96px; width: 96px; background: rgba(122, 75, 36, 0.12); border-radius: 12px; }

/* ==========================================================================
   17. 响应式调整
   ========================================================================== */
@media (max-width: 920px) {
    .navbar { min-height: 54px; }
    .hero { padding: var(--spacing-lg) 0; }
    .hero-split { grid-template-columns: 1fr; }
    .price-row { grid-template-columns: 1fr 1fr; }
    .news-list li { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    h1 { font-size: 2.1rem; }
    h2 { font-size: 1.65rem; }
    .topbar { flex-wrap: wrap; gap: 6px; height: auto; padding: 0.5rem 0.8rem; }
    .price-row { grid-template-columns: 1fr; }
    .qc-card-img { height: 180px; }
}