/* ===== 翡翠绿生态企业模板 - 主样式表 ===== */
:root {
    --eco-ink: #1A3C34;
    --eco-ink-2: #2D5A4F;
    --eco-accent: #2ECC71;
    --eco-accent-2: #F4D35E;
    --eco-paper: #F9FBF7;
    --eco-line: #E8EDE6;
    --eco-muted: #6B8E7F;
    --eco-shadow: 0 8px 24px rgba(46, 204, 113, 0.12);
    --eco-radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px; line-height: 1.7; color: var(--eco-ink); background: var(--eco-paper);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--eco-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--eco-ink); }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--eco-ink); }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }
.sp-container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.sp-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.sp-skip { position: absolute; left: -9999px; top: -9999px; }
.sp-skip:focus { left: 10px; top: 10px; background: var(--eco-accent); color: #fff; padding: 8px 16px; z-index: 9999; }
.sp-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--eco-accent); width: 0; z-index: 9999; transition: width 0.1s; }

/* ===== 头部 ===== */
.sp-topbar { background: var(--eco-ink); color: rgba(255,255,255,0.7); font-size: 13px; padding: 8px 0; }
.sp-topbar-in { display: flex; justify-content: space-between; align-items: center; }
.sp-topbar a { color: rgba(255,255,255,0.85); }
.sp-topbar a:hover { color: var(--eco-accent-2); }
.sp-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.98); backdrop-filter: blur(10px); border-bottom: 1px solid var(--eco-line); transition: box-shadow 0.3s; }
.sp-header.is-sticky { box-shadow: 0 2px 12px rgba(26, 60, 52, 0.08); }
.sp-header-in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.sp-logo { font-size: 22px; font-weight: 800; color: var(--eco-ink); display: flex; align-items: center; gap: 10px; }
.sp-logo-icon { width: 36px; height: 36px; background: var(--eco-accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; }
.sp-nav { display: flex; gap: 32px; list-style: none; }
.sp-nav-item { position: relative; }
.sp-nav-item a { color: var(--eco-ink); font-weight: 500; font-size: 15px; padding: 8px 0; display: block; }
.sp-nav-item.is-current a, .sp-nav-item a:hover { color: var(--eco-accent); }
.sp-sub { position: absolute; top: 100%; left: 0; background: #fff; min-width: 180px; box-shadow: 0 8px 24px rgba(0,0,0,0.08); border-radius: 8px; padding: 8px 0; list-style: none; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all 0.2s; }
.sp-nav-item:hover .sp-sub { opacity: 1; visibility: visible; transform: translateY(0); }
.sp-sub a { padding: 10px 20px; font-size: 14px; display: block; }
.sp-sub a:hover { background: var(--eco-paper); color: var(--eco-accent); }
.sp-cta { background: var(--eco-accent); color: #fff; padding: 10px 24px; border-radius: 24px; font-weight: 600; font-size: 14px; }
.sp-cta:hover { background: var(--eco-ink); color: #fff; }
.sp-burger { display: none; background: none; border: none; cursor: pointer; width: 32px; height: 32px; position: relative; }
.sp-burger span { position: absolute; left: 4px; width: 24px; height: 2px; background: var(--eco-ink); transition: all 0.3s; }
.sp-burger span:nth-child(1) { top: 8px; }
.sp-burger span:nth-child(2) { top: 15px; }
.sp-burger span:nth-child(3) { top: 22px; }
.sp-drawer { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: #fff; z-index: 200; transition: right 0.3s; overflow-y: auto; padding: 24px; }
.sp-drawer.is-open { right: 0; }
.sp-drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 199; display: none; }
.sp-drawer-mask.is-open { display: block; }
.sp-drawer-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--eco-muted); }
.sp-drawer-nav { list-style: none; margin-top: 48px; }
.sp-drawer-nav li { border-bottom: 1px solid var(--eco-line); }
.sp-drawer-nav a { display: block; padding: 16px 0; color: var(--eco-ink); font-weight: 500; }

/* ===== Hero ===== */
.sp-hero { background: linear-gradient(135deg, var(--eco-ink) 0%, var(--eco-ink-2) 100%); color: #fff; padding: 120px 0 80px; position: relative; overflow: hidden; }
.sp-hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: radial-gradient(circle, rgba(46, 204, 113, 0.15) 0%, transparent 70%); }
.sp-hero-in { position: relative; z-index: 1; max-width: 720px; }
.sp-hero-kicker { display: inline-block; background: rgba(46, 204, 113, 0.2); color: var(--eco-accent); padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 24px; }
.sp-hero h1 { font-size: 3rem; margin-bottom: 20px; line-height: 1.2; }
.sp-hero h1 span { color: var(--eco-accent); }
.sp-hero-desc { font-size: 1.125rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; line-height: 1.8; }
.sp-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.sp-btn { display: inline-block; padding: 12px 28px; border-radius: 24px; font-weight: 600; font-size: 15px; transition: all 0.2s; cursor: pointer; border: 2px solid transparent; }
.sp-btn--primary { background: var(--eco-accent); color: #fff; }
.sp-btn--primary:hover { background: var(--eco-accent-2); color: var(--eco-ink); }
.sp-btn--line { background: transparent; border-color: rgba(255,255,255,0.3); color: #fff; }
.sp-btn--line:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.sp-btn--dark { background: var(--eco-ink); color: #fff; }
.sp-btn--dark:hover { background: var(--eco-ink-2); }

/* ===== 数据看板 ===== */
.sp-stats { background: #fff; padding: 60px 0; border-bottom: 1px solid var(--eco-line); }
.sp-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.sp-stat-box { text-align: center; }
.sp-stat-box strong { display: block; font-size: 2.5rem; font-weight: 800; color: var(--eco-accent); line-height: 1; margin-bottom: 8px; }
.sp-stat-box strong i { font-size: 1.5rem; font-weight: 600; }
.sp-stat-box span { color: var(--eco-muted); font-size: 14px; }

/* ===== 关于 ===== */
.sp-about { padding: 80px 0; }
.sp-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 60px; }
.sp-about-grid:nth-child(even) .sp-about-img { order: 2; }
.sp-about-img img { border-radius: var(--eco-radius); box-shadow: var(--eco-shadow); width: 100%; height: 400px; object-fit: cover; }
.sp-about-text h2 { margin-bottom: 20px; }
.sp-about-text p { color: var(--eco-muted); margin-bottom: 16px; }

/* ===== 服务 ===== */
.sp-services { background: var(--eco-paper); padding: 80px 0; }
.sp-section-head { text-align: center; margin-bottom: 60px; }
.sp-section-head h2 { margin-bottom: 12px; }
.sp-section-head p { color: var(--eco-muted); max-width: 600px; margin: 0 auto; }
.sp-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.sp-service-card { background: #fff; padding: 32px; border-radius: var(--eco-radius); transition: all 0.3s; border: 1px solid var(--eco-line); }
.sp-service-card:hover { transform: translateY(-4px); box-shadow: var(--eco-shadow); border-color: var(--eco-accent); }
.sp-service-card img { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; margin-bottom: 20px; }
.sp-service-card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.sp-service-card p { color: var(--eco-muted); font-size: 14px; margin-bottom: 16px; }
.sp-service-card a { color: var(--eco-accent); font-weight: 600; font-size: 14px; }

/* ===== 实力 ===== */
.sp-band { background: var(--eco-ink); color: #fff; padding: 80px 0; }
.sp-band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.sp-band-card { text-align: center; padding: 32px 20px; background: rgba(255,255,255,0.05); border-radius: var(--eco-radius); border: 1px solid rgba(255,255,255,0.1); }
.sp-band-card h3 { color: var(--eco-accent); font-size: 1.5rem; margin-bottom: 12px; }
.sp-band-card p { color: rgba(255,255,255,0.7); font-size: 14px; }

/* ===== 资讯 ===== */
.sp-news { padding: 80px 0; }
.sp-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.sp-news-card { background: #fff; border-radius: var(--eco-radius); overflow: hidden; border: 1px solid var(--eco-line); transition: all 0.3s; }
.sp-news-card:hover { transform: translateY(-4px); box-shadow: var(--eco-shadow); }
.sp-news-card img { width: 100%; height: 200px; object-fit: cover; }
.sp-news-card-body { padding: 24px; }
.sp-news-card-cat { display: inline-block; background: var(--eco-paper); color: var(--eco-accent); padding: 4px 12px; border-radius: 12px; font-size: 12px; font-weight: 600; margin-bottom: 12px; }
.sp-news-card h3 { font-size: 1.125rem; margin-bottom: 12px; line-height: 1.4; }
.sp-news-card p { color: var(--eco-muted); font-size: 14px; margin-bottom: 16px; }
.sp-news-card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--eco-muted); }
.sp-news-card-meta a { color: var(--eco-accent); font-weight: 600; }

/* ===== 口碑 ===== */
.sp-voice { background: var(--eco-paper); padding: 80px 0; }
.sp-voice-scroll { display: flex; gap: 24px; overflow-x: auto; padding-bottom: 20px; scroll-snap-type: x mandatory; }
.sp-voice-scroll::-webkit-scrollbar { height: 6px; }
.sp-voice-scroll::-webkit-scrollbar-thumb { background: var(--eco-accent); border-radius: 3px; }
.sp-voice-card { flex: 0 0 320px; background: #fff; padding: 28px; border-radius: var(--eco-radius); border: 1px solid var(--eco-line); scroll-snap-align: start; }
.sp-voice-card p { font-style: italic; color: var(--eco-ink-2); margin-bottom: 20px; line-height: 1.8; }
.sp-voice-card-author { display: flex; align-items: center; gap: 12px; }
.sp-voice-card-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--eco-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; }
.sp-voice-card-info strong { display: block; font-size: 14px; }
.sp-voice-card-info span { font-size: 13px; color: var(--eco-muted); }

/* ===== 行业观察 ===== */
.sp-journal { padding: 80px 0; }
.sp-journal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.sp-journal-col h2 { margin-bottom: 24px; }
.sp-journal-list { list-style: none; }
.sp-journal-list li { padding: 16px 0; border-bottom: 1px solid var(--eco-line); }
.sp-journal-list li:last-child { border-bottom: none; }
.sp-journal-list a { color: var(--eco-ink); font-weight: 500; display: flex; justify-content: space-between; align-items: center; }
.sp-journal-list a:hover { color: var(--eco-accent); }
.sp-journal-list time { font-size: 13px; color: var(--eco-muted); }

/* ===== FAQ ===== */
.sp-faq { background: var(--eco-paper); padding: 80px 0; }
.sp-faq-list { max-width: 800px; margin: 0 auto; }
.sp-faq-item { background: #fff; border-radius: var(--eco-radius); margin-bottom: 16px; border: 1px solid var(--eco-line); overflow: hidden; }
.sp-faq-item summary { padding: 20px 24px; cursor: pointer; font-weight: 600; color: var(--eco-ink); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.sp-faq-item summary::-webkit-details-marker { display: none; }
.sp-faq-item summary::after { content: '+'; font-size: 24px; color: var(--eco-accent); transition: transform 0.2s; }
.sp-faq-item[open] summary::after { transform: rotate(45deg); }
.sp-faq-item p { padding: 0 24px 20px; color: var(--eco-muted); }

/* ===== CTA ===== */
.sp-cta-section { background: linear-gradient(135deg, var(--eco-accent) 0%, var(--eco-ink-2) 100%); color: #fff; padding: 80px 0; text-align: center; }
.sp-cta-section h2 { color: #fff; margin-bottom: 16px; }
.sp-cta-section p { color: rgba(255,255,255,0.9); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.sp-cta-section .sp-btn--primary { background: #fff; color: var(--eco-ink); }
.sp-cta-section .sp-btn--primary:hover { background: var(--eco-accent-2); }

/* ===== 页脚 ===== */
.sp-footer { background: var(--eco-ink); color: rgba(255,255,255,0.7); padding: 60px 0 30px; }
.sp-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.sp-footer h3 { color: #fff; font-size: 16px; margin-bottom: 20px; }
.sp-footer ul { list-style: none; }
.sp-footer ul li { margin-bottom: 10px; }
.sp-footer ul a { color: rgba(255,255,255,0.7); font-size: 14px; }
.sp-footer ul a:hover { color: var(--eco-accent); }
.sp-footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 13px; }

/* ===== 浮动工具 ===== */
.sp-float { position: fixed; right: 24px; bottom: 24px; display: flex; flex-direction: column; gap: 12px; z-index: 90; }
.sp-float-item { width: 44px; height: 44px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,0.1); color: var(--eco-ink); transition: all 0.2s; border: none; cursor: pointer; }
.sp-float-item:hover { background: var(--eco-accent); color: #fff; transform: translateY(-2px); }
.sp-float-item svg { width: 20px; height: 20px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .sp-stats-grid, .sp-band-grid { grid-template-columns: repeat(2, 1fr); }
    .sp-service-grid, .sp-news-grid { grid-template-columns: repeat(2, 1fr); }
    .sp-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
    .sp-nav, .sp-cta { display: none; }
    .sp-burger { display: block; }
    .sp-hero h1 { font-size: 2rem; }
    .sp-about-grid { grid-template-columns: 1fr; gap: 32px; }
    .sp-about-grid:nth-child(even) .sp-about-img { order: 0; }
    .sp-journal-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .sp-stats-grid, .sp-band-grid, .sp-service-grid, .sp-news-grid { grid-template-columns: 1fr; }
    .sp-footer-grid { grid-template-columns: 1fr; }
    .sp-hero { padding: 80px 0 60px; }
    .sp-hero h1 { font-size: 1.75rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}