/* ==========================================================================
   许子义律师 个人网站 · 视觉体系
   深墨蓝 + 鎏金
   ========================================================================== */

:root {
  --ink: #0f1c33;          /* 主墨蓝 */
  --ink-2: #1b2f4e;        /* 次蓝 */
  --navy-soft: #f5f7fb;    /* 浅蓝底 */
  --navy-soft-2: #eaf0f8;
  --gold: #b8881f;         /* 鎏金 */
  --gold-soft: #d8b35a;
  --gold-wash: #fdf8ec;
  --paper: #ffffff;
  --text: #1f2733;
  --text-2: #5b6675;
  --text-3: #8b95a3;
  --line: #e3e8ef;
  --line-2: #d3dbe6;
  --maxw: 1160px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 8px 28px rgba(15, 28, 51, 0.08);
  --shadow-lg: 0 18px 50px rgba(15, 28, 51, 0.12);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--ink-2); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--gold); }

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.4;
  margin: 0 0 .6em;
  font-weight: 700;
  letter-spacing: .01em;
}

p { margin: 0 0 1em; }

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

.serif { font-family: var(--serif); }

/* ---------- 通用文字 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold-soft);
}

.lead {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.85;
}

.muted { color: var(--text-2); }
.small { font-size: 14px; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.monogram {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--gold-soft);
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(15, 28, 51, .22);
}
.brand-name {
  display: block;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}
.brand-sub {
  display: block;
  font-size: 11.5px;
  color: var(--text-3);
  letter-spacing: .1em;
  line-height: 1.4;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: block;
  padding: 8px 12px;
  font-size: 14.5px;
  color: var(--text-2);
  border-radius: 6px;
  white-space: nowrap;
  position: relative;
}
.nav-links a:hover { color: var(--ink); background: var(--navy-soft); }
.nav-links a.active { color: var(--ink); font-weight: 600; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 3px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-toggle, .nav-toggle-label { display: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .22s ease;
  font-family: var(--sans);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, #cfa03a 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(184, 136, 31, .28);
}
.btn-gold:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 10px 26px rgba(184, 136, 31, .36); }
.btn-ghost {
  border-color: var(--line-2);
  color: var(--ink);
  background: #fff;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-wash); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-2); color: #fff; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 520px at 88% -12%, rgba(184,136,31,.13), transparent 62%),
    linear-gradient(180deg, #f8fafd 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
  padding: 78px 0 82px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -140px; top: -140px;
  width: 420px; height: 420px;
  border: 1px solid rgba(184,136,31,.16);
  border-radius: 50%;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr .9fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.32;
  margin-bottom: 20px;
}
.hero h1 .hl { color: var(--gold); }
.hero-name {
  font-size: 15px;
  letter-spacing: .2em;
  color: var(--ink-2);
  font-weight: 600;
  margin-bottom: 14px;
}
.hero .lead { max-width: 620px; }

.hero-portrait {
  position: relative;
}
.hero-portrait img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.hero-portrait::before {
  content: "";
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* ---------- 关键词标签 ---------- */
.tags, .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.tags li, .tag-cloud li {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  letter-spacing: .02em;
}
.tags li { background: var(--navy-soft); border-color: transparent; }

/* ---------- 数据条 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  background: #fff;
  padding: 34px 26px;
  text-align: center;
}
.stat .num {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}
.stat .num span { font-size: 18px; color: var(--gold); margin-left: 2px; }
.stat .lbl {
  font-size: 13px;
  color: var(--text-2);
  margin-top: 8px;
  letter-spacing: .04em;
}

/* ---------- 区块 ---------- */
.section { padding: 82px 0; }
.section.alt { background: var(--navy-soft); }
.section.ink {
  background: linear-gradient(160deg, var(--ink) 0%, #16294a 100%);
  color: #c7d3e4;
}
.section.ink h1, .section.ink h2, .section.ink h3 { color: #fff; }
.section.ink .lead, .section.ink p { color: #b6c4d8; }

.section-head { max-width: 780px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: 31px; margin-bottom: 14px; }
.section-head p { color: var(--text-2); }

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: all .24s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 0;
  background: var(--gold);
  transition: height .3s ease;
}
.card:hover {
  border-color: var(--line-2);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.card:hover::before { height: 100%; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 14.6px; margin-bottom: 0; }

.card .ico {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--navy-soft);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 18px;
  border: 1px solid var(--line);
}
.card:hover .ico { background: var(--gold-wash); color: var(--gold); border-color: var(--gold-soft); }

.card .more {
  display: inline-block;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--gold);
  font-weight: 600;
}

.section.ink .card {
  background: rgba(255,255,255,.045);
  border-color: rgba(255,255,255,.12);
}
.section.ink .card h3 { color: #fff; }
.section.ink .card p { color: #a9b8ce; }
.section.ink .card .ico { background: rgba(255,255,255,.08); color: var(--gold-soft); border-color: rgba(255,255,255,.14); }

/* ---------- 分类标签 ---------- */
.cat-tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .12em;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-wash);
  border: 1px solid rgba(184,136,31,.22);
  padding: 4px 11px;
  border-radius: 4px;
  margin-bottom: 16px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  font-size: 13px;
  color: var(--text-3);
  padding: 22px 0 0;
  letter-spacing: .02em;
}
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 8px; color: var(--line-2); }

/* ---------- 页面头 ---------- */
.page-head {
  background:
    radial-gradient(900px 400px at 85% -30%, rgba(184,136,31,.14), transparent 60%),
    linear-gradient(180deg, #f8fafd, #fff);
  border-bottom: 1px solid var(--line);
  padding: 26px 0 58px;
}
.page-head h1 { font-size: 34px; margin-bottom: 14px; }
.page-head .lead { max-width: 760px; }

/* ---------- 业绩列表 ---------- */
.matter {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: all .22s ease;
}
.matter:hover { border-color: var(--gold-soft); box-shadow: var(--shadow); }
.matter h3 {
  font-size: 18px;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.matter .result {
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 700;
  color: #fff;
  background: var(--ink);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: .04em;
  white-space: nowrap;
}
.matter .result.gold { background: linear-gradient(135deg, var(--gold), #cfa03a); }
.matter p { color: var(--text-2); font-size: 14.8px; margin-bottom: 0; }

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 30px;
  margin: 0;
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--line-2);
}
.timeline li { position: relative; padding-bottom: 26px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -30px; top: 9px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--gold-soft);
}
.timeline li.on::before { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 4px rgba(184,136,31,.15); }
.timeline .yr {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}
.timeline .role {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  display: block;
}
.timeline .desc { font-size: 14.4px; color: var(--text-2); }

/* ---------- 名片式信息 ---------- */
.profile {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
}
.profile-portrait img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.profile-info dl {
  margin: 0;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 10px 18px;
  font-size: 15px;
}
.profile-info dt { color: var(--text-3); font-size: 13.5px; letter-spacing: .04em; }
.profile-info dd { margin: 0; color: var(--text); }

/* ---------- 荣誉/职务列表 ---------- */
.honor-list, .duty-list { list-style: none; padding: 0; margin: 0; }
.honor-list li, .duty-list li {
  padding: 13px 0 13px 26px;
  border-bottom: 1px dashed var(--line);
  position: relative;
  font-size: 15px;
  color: var(--text);
}
.honor-list li:last-child, .duty-list li:last-child { border-bottom: none; }
.honor-list li::before, .duty-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 23px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-soft);
}

/* ---------- 图文列表（研究/授课） ---------- */
.list-item {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 26px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.list-item:last-child { border-bottom: none; }
.list-date {
  font-size: 13px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: .06em;
  padding-top: 4px;
}
.list-body h3 { font-size: 18px; margin-bottom: 8px; }
.list-body p { color: var(--text-2); font-size: 14.8px; margin-bottom: 0; }
.list-body .meta { font-size: 13px; color: var(--text-3); margin-top: 8px; }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.flow-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  position: relative;
}
.flow-item .step {
  counter-increment: step;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .16em;
  display: block;
  margin-bottom: 10px;
}
.flow-item .step::before { content: "0" counter(step); }
.flow-item h4 { font-size: 16.5px; margin-bottom: 8px; }
.flow-item p { font-size: 14px; color: var(--text-2); margin: 0; }

/* ---------- 提示框 ---------- */
.panel {
  background: var(--gold-wash);
  border: 1px solid rgba(184,136,31,.24);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 24px 28px;
}
.panel h3 { font-size: 17px; margin-bottom: 8px; }
.panel p { font-size: 14.8px; color: var(--text-2); margin: 0; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(160deg, var(--ink) 0%, #16294a 100%);
  border-radius: var(--radius-lg);
  padding: 56px 52px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta::after {
  content: "";
  position: absolute;
  right: -90px; bottom: -90px;
  width: 300px; height: 300px;
  border: 1px solid rgba(184,136,31,.28);
  border-radius: 50%;
}
.cta h2 { color: #fff; font-size: 27px; margin-bottom: 12px; position: relative; z-index: 1; }
.cta p { color: #b6c4d8; max-width: 620px; position: relative; z-index: 1; }
.cta .btn-row { position: relative; z-index: 1; }
.cta .btn-ghost { background: transparent; border-color: rgba(255,255,255,.35); color: #fff; }
.cta .btn-ghost:hover { border-color: var(--gold-soft); color: var(--gold-soft); background: rgba(255,255,255,.05); }

/* ---------- 联系方式 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.contact-item .k {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 10px;
}
.contact-item .v {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  font-weight: 700;
  word-break: break-all;
}
.contact-item .n { font-size: 13.5px; color: var(--text-2); margin-top: 8px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: #93a3ba;
  padding: 58px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 14px;
  font-family: var(--serif);
}
.footer-col p { font-size: 14px; margin: 0 0 6px; color: #93a3ba; }
.footer-col a { color: #93a3ba; font-size: 14px; }
.footer-col a:hover { color: var(--gold-soft); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
}
.footer-bottom p {
  margin: 0;
  font-size: 12.8px;
  color: #6f7f97;
}
.footer-brandline {
  color: var(--gold-soft);
  font-size: 13px;
  letter-spacing: .1em;
  margin-bottom: 10px;
}

/* ---------- 分页/筛选按钮 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.filter-btn {
  font-family: var(--sans);
  font-size: 14px;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--text-2);
  cursor: pointer;
  transition: all .2s ease;
}
.filter-btn:hover { border-color: var(--gold-soft); color: var(--gold); }
.filter-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.matter.is-hidden { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-portrait { max-width: 340px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .profile { grid-template-columns: 1fr; gap: 34px; }
  .profile-portrait { max-width: 280px; }
}

@media (max-width: 860px) {
  .nav-toggle-label {
    display: block;
    cursor: pointer;
    padding: 10px 4px;
  }
  .nav-toggle-label span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    margin: 5px 0;
    border-radius: 2px;
    transition: .25s;
  }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 10px 16px 18px;
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links a { padding: 12px 8px; border-radius: 6px; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { background: var(--gold-wash); color: var(--gold); }
  .site-header { position: relative; }

  .hero { padding: 56px 0 60px; }
  .hero h1 { font-size: 32px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta { padding: 40px 28px; }
  .page-head h1 { font-size: 28px; }
  .list-item { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 560px) {
  .grid-4, .flow { grid-template-columns: 1fr; }
  .hero h1 { font-size: 27px; }
  .container { padding: 0 18px; }
  .profile-info dl { grid-template-columns: 1fr; gap: 2px 0; }
  .profile-info dt { margin-top: 8px; }
  .brand-sub { display: none; }
  .stat .num { font-size: 28px; }
}