/* =====================================================
   李律师的工作站 — 前台样式
   黑 / 白 / 蓝 · 商务专业 · 编辑式排版
   ===================================================== */
:root {
  --blue: #00338D;
  --blue-link: #0066CC;
  --blue-dark-hover: #002A73;
  --black: #000000;
  --ink: #0B0B0C;
  --white: #FFFFFF;
  --gray-bg: #F2F3F5;
  --hairline: #DDE0E5;
  --text: #0B0B0C;
  --text-2: #5B5F66;
  --text-3: #6E6E73;
  --text-muted: #8E8E93;
  --font: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 17px;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-link); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--blue-link); outline-offset: 2px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 768px) { .container { padding: 0 20px; } }

/* ---------------- 顶部导航 ---------------- */
.site-header { background: var(--black); position: sticky; top: 0; z-index: 100; }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); font-weight: 600; font-size: 19px; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 14px; height: 14px; border-radius: 3px; background: var(--blue-link); flex: none; }
.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a { color: #C8C8CE; font-size: 15px; }
.main-nav a:hover { color: var(--white); text-decoration: none; }
.main-nav a.active { color: var(--blue-link); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; cursor: pointer; font-family: var(--font); font-size: 15px; font-weight: 500;
  padding: 10px 22px; border-radius: 999px; text-decoration: none !important; transition: opacity .15s ease, transform .1s ease;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--blue-link); color: var(--white); }
.btn-primary:hover { opacity: .9; }
.btn-ghost-dark { background: transparent; color: #E8E8ED; border: 1px solid #4A4A52; }
.btn-ghost-dark:hover { border-color: #8A8A92; }
.btn-light { background: var(--white); color: var(--blue); font-weight: 600; padding: 14px 30px; }
.btn-blue { background: var(--blue); color: var(--white); padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle svg { display: block; }

/* ---------------- Hero ---------------- */
.hero { background: var(--black); color: var(--white); }
.hero .container {
  display: grid; grid-template-columns: 640px 1fr; gap: 72px;
  align-items: center; padding-top: 110px; padding-bottom: 110px;
}
.eyebrow { color: #2997FF; font-size: 14px; font-weight: 600; letter-spacing: 1.2px; }
.hero h1 { font-size: 56px; line-height: 1.18; letter-spacing: -1px; font-weight: 700; margin: 24px 0 0; white-space: pre-line; }
.hero-lead { color: #A1A1A6; font-size: 18px; line-height: 1.8; margin-top: 24px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero-photo { width: 100%; height: 520px; object-fit: cover; object-position: center top; border-radius: 14px; }

/* ---------------- 数据条 ---------------- */
.stats { background: #0B0B0C; color: var(--white); }
.stats .container {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding-top: 72px; padding-bottom: 72px;
}
.stat-num { font-size: 40px; font-weight: 600; font-family: var(--font); }
.stat-label { color: #8E8E93; font-size: 14px; margin-top: 10px; }

/* ---------------- 区块通用 ---------------- */
.section { padding: 110px 0; }
.section-gray { background: var(--gray-bg); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 52px; }
.section-head h2 { font-size: 40px; letter-spacing: -0.6px; font-weight: 700; margin-top: 14px; }
.section-head .eyebrow { display: block; }
.section-link { font-size: 17px; white-space: nowrap; }
.section-desc { color: var(--text-2); font-size: 17px; max-width: 640px; margin-top: 14px; }

/* ---------------- 业务领域列表 ---------------- */
.area-list { border-top: 1px solid var(--hairline); }
.area-item { display: flex; gap: 32px; align-items: flex-start; padding: 30px 0; border-bottom: 1px solid var(--hairline); }
.area-no { color: var(--blue-link); font-weight: 600; font-size: 15px; width: 52px; flex: none; padding-top: 5px; }
.area-body { flex: 1; }
.area-body h3 { font-size: 24px; font-weight: 600; }
.area-body p { color: var(--text-3); font-size: 15px; line-height: 1.8; margin-top: 10px; }
.area-tags { color: #3C4048; font-size: 14px; margin-top: 12px; }

/* ---------------- 三步卡片 ---------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card { background: var(--white); border: 1px solid var(--hairline); border-radius: 2px; padding: 32px; }
.step-no { color: var(--blue); font-weight: 600; font-size: 14px; letter-spacing: 1px; }
.step-card h3 { font-size: 22px; font-weight: 600; margin-top: 14px; }
.step-card p { color: var(--text-3); font-size: 15px; line-height: 1.8; margin-top: 12px; }

/* ---------------- 文章卡片 ---------------- */
.article-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { background: var(--white); border: 1px solid var(--hairline); border-radius: 2px; padding: 28px 28px 32px; display: flex; flex-direction: column; gap: 14px; }
.article-card:hover { border-color: #B9BEC7; text-decoration: none; }
.article-card .meta { color: var(--text-3); font-size: 13px; font-weight: 600; letter-spacing: .4px; }
.article-card h3 { font-size: 20px; font-weight: 600; line-height: 1.55; color: var(--text); }
.article-card p { color: var(--text-3); font-size: 15px; line-height: 1.8; }
.article-card .more { color: var(--blue-link); font-size: 15px; margin-top: auto; }

/* ---------------- 客户评价 ---------------- */
.quote-section { background: #0B0B0C; color: var(--white); }
.quote-line { width: 64px; height: 3px; background: var(--blue-link); margin-bottom: 36px; }
.quote-text { font-size: 30px; line-height: 1.6; letter-spacing: -0.3px; max-width: 980px; }
.quote-by { color: #8E8E93; font-size: 15px; margin-top: 32px; }

/* ---------------- CTA ---------------- */
.cta-band { background: var(--blue); color: var(--white); }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 48px; padding-top: 96px; padding-bottom: 96px; }
.cta-band h2 { font-size: 34px; letter-spacing: -0.5px; font-weight: 700; }
.cta-band p { color: #C9D6EE; font-size: 17px; margin-top: 14px; max-width: 620px; }
.cta-band .btn { flex: none; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--gray-bg); padding: 72px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand .brand-mark { background: var(--blue); }
.footer-brand h3 { font-size: 20px; font-weight: 600; margin-top: 14px; }
.footer-brand p { color: var(--text-3); font-size: 15px; line-height: 1.8; margin-top: 10px; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; color: var(--text-2); font-size: 15px; margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid var(--hairline); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom span { color: #8A8E96; font-size: 13px; }

/* ---------------- 页面页头（二级页） ---------------- */
.page-hero { background: #0B0B0C; color: var(--white); padding: 80px 0; }
.breadcrumb { color: #8E8E93; font-size: 13px; }
.breadcrumb a { color: #8E8E93; }
.breadcrumb a:hover { color: #C8C8CE; }
.page-hero h1 { font-size: 56px; letter-spacing: -1px; font-weight: 700; margin-top: 18px; }
.page-hero .role { color: #2997FF; font-size: 21px; margin-top: 16px; }
.page-hero .lead { color: #A1A1A6; font-size: 17px; line-height: 1.9; margin-top: 16px; max-width: 760px; }

/* ---------------- 律师简介 ---------------- */
.about-grid { display: grid; grid-template-columns: 420px 1fr; gap: 72px; align-items: start; }
.about-photo { width: 100%; height: 520px; object-fit: cover; object-position: center top; border-radius: 2px; background: var(--gray-bg); }
.about-body h2 { font-size: 40px; letter-spacing: -0.6px; font-weight: 700; margin-top: 14px; }
.about-body p { color: var(--text-2); font-size: 17px; line-height: 1.9; margin-top: 24px; }
.timeline { list-style: none; }
.timeline li { display: flex; gap: 40px; padding: 26px 0; }
.timeline .year { font-weight: 600; font-size: 18px; width: 110px; flex: none; }
.timeline h3 { font-size: 19px; font-weight: 600; }
.timeline p { color: var(--text-3); font-size: 15px; line-height: 1.8; margin-top: 8px; }
.qual-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.qual-card { border: 1px solid var(--hairline); border-radius: 2px; padding: 28px; background: var(--white); }
.qual-card h3 { font-size: 19px; font-weight: 600; }
.qual-card p { color: var(--text-3); font-size: 14px; line-height: 1.75; margin-top: 10px; }

/* ---------------- 文章列表 ---------------- */
.filter-bar { background: var(--gray-bg); padding: 28px 0; }
.filter-bar .container { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.chip { display: inline-block; padding: 8px 18px; border-radius: 999px; border: 1px solid var(--hairline); background: var(--white); color: #3C4048; font-size: 14px; }
.chip:hover { text-decoration: none; border-color: #B9BEC7; }
.chip.active { background: var(--blue); border-color: var(--blue); color: var(--white); }
.article-list { padding: 40px 0 80px; }
.article-row { padding: 28px 0; border-bottom: 1px solid #E3E3E6; display: block; }
.article-row:hover { text-decoration: none; }
.article-row .meta { color: var(--text-3); font-size: 13px; font-weight: 600; letter-spacing: .4px; }
.article-row h2 { font-size: 22px; font-weight: 600; margin-top: 10px; color: var(--text); }
.article-row:hover h2 { color: var(--blue-link); }
.article-row p { color: var(--text-3); font-size: 15px; line-height: 1.8; margin-top: 10px; }
.list-empty { padding: 60px 0; color: var(--text-3); }
.pagination { display: flex; gap: 16px; align-items: center; padding-top: 28px; color: var(--text-3); font-size: 15px; }
.search-form { display: flex; gap: 10px; margin-left: auto; }
.search-form input { padding: 8px 16px; border: 1px solid var(--hairline); border-radius: 999px; font-size: 14px; font-family: var(--font); min-width: 200px; }
.search-form button { padding: 8px 20px; border-radius: 999px; border: 0; background: var(--blue); color: var(--white); cursor: pointer; font-family: var(--font); font-size: 14px; }

/* ---------------- 文章详情 ---------------- */
.article-wrap { display: grid; grid-template-columns: 760px 1fr; gap: 80px; padding: 80px 0 100px; }
.article-meta { color: var(--text-3); font-size: 15px; }
.prose { margin-top: 28px; }
.prose p { color: #3C4048; font-size: 17px; line-height: 2; margin: 26px 0; }
.prose h2 { font-size: 24px; font-weight: 700; margin: 44px 0 8px; }
.prose h3 { font-size: 20px; font-weight: 700; margin: 32px 0 6px; }
.prose ul, .prose ol { margin: 20px 0 20px 24px; color: #3C4048; font-size: 17px; line-height: 2; }
.prose blockquote { background: var(--gray-bg); padding: 22px 28px; margin: 28px 0; font-size: 19px; line-height: 1.8; border-left: 3px solid var(--blue-link); }
.prose code { background: var(--gray-bg); padding: 2px 6px; border-radius: 4px; font-size: 15px; }
.prose img { margin: 24px 0; border-radius: 4px; }
.article-side { display: flex; flex-direction: column; gap: 24px; }
.side-card { border: 1px solid var(--hairline); border-radius: 2px; padding: 28px; }
.side-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.side-card ul { list-style: none; }
.side-card li { margin: 10px 0; font-size: 15px; line-height: 1.9; }
.side-card li a { color: var(--text-2); }
.side-card li a:hover { color: var(--blue-link); }
.side-card li.current a { color: var(--blue-link); }
.side-cta { background: var(--blue); color: var(--white); border: 0; }
.side-cta h3 { color: var(--white); font-size: 19px; }
.side-cta p { color: #C9D6EE; font-size: 15px; line-height: 1.7; margin-bottom: 16px; }
.side-cta a { color: var(--white); font-weight: 600; }

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 440px 1fr; gap: 64px; align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: 28px; }
.contact-card { border: 1px solid var(--hairline); border-radius: 2px; padding: 24px; background: var(--white); }
.contact-card .label { color: var(--text-3); font-size: 13px; }
.contact-card .value { font-size: 19px; font-weight: 600; margin-top: 8px; }
.contact-form-card { background: var(--gray-bg); padding: 40px; }
.contact-form-card h2 { font-size: 24px; font-weight: 700; }
.contact-form-card .desc { color: var(--text-3); font-size: 15px; margin: 12px 0 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { width: 100%; padding: 14px 16px; border: 1px solid var(--hairline); border-radius: 2px; font-size: 15px; font-family: var(--font); background: var(--white); margin-bottom: 0; }
textarea.form-field { resize: vertical; min-height: 120px; }
.form-field:focus { outline: 2px solid var(--blue-link); outline-offset: 0; }
.form-hint { color: var(--text-3); font-size: 13px; line-height: 1.8; margin: 16px 0; }
.form-alert { padding: 14px 16px; border-radius: 2px; font-size: 15px; margin-bottom: 16px; display: none; }
.form-alert.ok { display: block; background: #E6F4EA; color: #137333; }
.form-alert.err { display: block; background: #FCE8E6; color: #C5221F; }
.map-band { height: 320px; background: #E8EAED; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 15px; }

/* ---------------- 404 ---------------- */
.notfound { padding: 140px 0; text-align: center; }
.notfound h1 { font-size: 64px; letter-spacing: -1px; }
.notfound p { color: var(--text-3); margin: 16px 0 28px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 72px; padding-bottom: 72px; }
  .hero h1 { font-size: 42px; }
  .hero-photo { height: 380px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .article-cards, .steps { grid-template-columns: 1fr 1fr; }
  .qual-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .article-wrap, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 80px 0; }
  .page-hero h1, .hero h1 { font-size: 40px; }
}
@media (max-width: 768px) {
  .main-nav {
    display: none; position: absolute; top: 76px; left: 0; right: 0;
    background: var(--black); flex-direction: column; align-items: flex-start;
    padding: 20px 24px 28px; gap: 18px; border-top: 1px solid #222;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .site-header .container { position: relative; }
  .article-cards, .steps { grid-template-columns: 1fr; }
  .stats .container { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .area-item { flex-direction: column; gap: 8px; }
  .form-row { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .search-form { margin-left: 0; width: 100%; }
  .search-form input { flex: 1; }
}