/* ============================================================
   立衡律师事务所 · 演示案例
   气质:黑白 + 哑金,衬线标题,细线分区,大留白,无阴影
   ============================================================ */

:root {
  --mo: #1C1B18;        /* 墨黑 */
  --mo-qian: #6E675B;   /* 次级文字 */
  --jin: #9A7B3C;       /* 哑金 */
  --zhi: #FAF8F3;       /* 纸白底 */
  --zhi-shen: #F3EFE6;  /* 暖灰底 */
  --xian: #DFD9CB;      /* 细线 */
  --chenxian: Georgia, "Songti SC", "SimSun", serif;
  --heixian: "Microsoft YaHei", "PingFang SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--heixian);
  font-size: 16px;
  line-height: 1.9;
  color: var(--mo);
  background: var(--zhi);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .lvshi-ming, .suoming-zhu {
  font-family: var(--chenxian);
  font-weight: 600;
  line-height: 1.4;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
svg { display: block; max-width: 100%; }
img { max-width: 100%; }

a:focus-visible, button:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--jin);
  outline-offset: 2px;
}

/* ---------- 头部:扉页式居中 ---------- */

.toubu {
  border-bottom: 1px solid var(--xian);
  background: var(--zhi);
}

.toubu-nei {
  max-width: 1080px;
  margin: 0 auto;
  padding: 30px 24px 0;
  text-align: center;
}

.suoming {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.suohui { width: 40px; height: 40px; color: var(--mo); }

.suoming-zi { display: block; }

.suoming-zhu {
  display: block;
  font-size: 26px;
  letter-spacing: 0.28em;
  text-indent: 0.28em; /* 抵消末字间距,保持视觉居中 */
}

.suoming-fu {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mo-qian);
}

.daohang {
  display: flex;
  justify-content: center;
  gap: 56px;
  margin-top: 22px;
}

.daohang a {
  display: inline-block;
  padding: 12px 2px 16px;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--mo);
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}

.daohang a:hover { color: var(--jin); }

.daohang a.dangqian {
  color: var(--jin);
  border-bottom-color: var(--jin);
}

/* 汉堡按钮(桌面隐藏) */
.hanbao {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--xian);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 7px;
}

.hanbao-xian {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--mo);
  transition: transform .25s;
}

/* ---------- 通用元素 ---------- */

.jinxian {
  display: block;
  width: 56px;
  height: 1px;
  background: var(--jin);
  margin: 26px auto;
}

.anniu {
  display: inline-block;
  padding: 13px 38px;
  border: 1px solid var(--mo);
  font-size: 15px;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  color: var(--mo);
  background: transparent;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}

.anniu:hover { background: var(--mo); color: var(--zhi); }

.anniu--shi { background: var(--mo); color: var(--zhi); }
.anniu--shi:hover { background: var(--jin); border-color: var(--jin); color: #fff; }

.anniu--jin { border-color: var(--jin); color: var(--jin); }
.anniu--jin:hover { background: var(--jin); color: #fff; }

.anniu--kuan { width: 100%; }

/* 编号小题(全站签名元素) */
.bian-hao {
  font-family: var(--chenxian);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--jin);
  margin-bottom: 12px;
}

/* ---------- 首屏 ---------- */

.shouping {
  max-width: 860px;
  margin: 0 auto;
  padding: 96px 24px 110px;
  text-align: center;
  animation: rujing .9s ease both;
}

@keyframes rujing {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.tianping { width: 120px; margin: 0 auto 34px; }

.shouping-ying {
  font-family: var(--chenxian);
  font-size: 13px;
  letter-spacing: 0.34em;
  color: var(--mo-qian);
  margin-bottom: 18px;
}

.suoxun {
  font-size: clamp(30px, 5vw, 50px);
  letter-spacing: 0.1em;
}

.shouping-dao {
  color: var(--mo-qian);
  max-width: 640px;
  margin: 0 auto;
}

.shouping-anzu {
  margin-top: 44px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---------- 编(区块) ---------- */

.bian {
  max-width: 1080px;
  margin: 0 auto;
  padding: 90px 24px;
  border-top: 1px solid var(--xian);
}

.bian--hui {
  max-width: none;
  background: var(--zhi-shen);
}

.bian--hui > * { max-width: 1032px; margin-left: auto; margin-right: auto; }

.bian-tou { text-align: center; margin-bottom: 58px; }

.bian-tou h2, .yuyue-ti { font-size: clamp(24px, 3vw, 32px); letter-spacing: 0.12em; }

/* ---------- 目录式业务领域 ---------- */

.mulu { border-top: 1px solid var(--xian); }

.mulu-hang {
  display: flex;
  align-items: baseline;
  gap: 22px;
  padding: 30px 10px;
  border-bottom: 1px solid var(--xian);
  transition: background .2s, padding-left .25s;
}

.mulu-hang:hover { background: rgba(154, 123, 60, 0.06); padding-left: 20px; }

.mulu-xu {
  font-family: var(--chenxian);
  font-size: 15px;
  color: var(--jin);
  letter-spacing: 0.1em;
}

.mulu-ming {
  font-family: var(--chenxian);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.mulu-dian {
  flex: 1;
  border-bottom: 1px dotted #C9C1AF;
  transform: translateY(-6px);
  min-width: 30px;
}

.mulu-shu {
  font-size: 14px;
  color: var(--mo-qian);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.mulu-jian {
  font-family: var(--chenxian);
  color: var(--jin);
  transition: transform .25s;
}

.mulu-hang:hover .mulu-jian { transform: translateX(6px); }

/* ---------- 执业理念 ---------- */

.linian {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.linian-tiao {
  padding: 8px 36px;
  border-left: 1px solid var(--xian);
}

.linian-tiao:first-child { border-left: none; }

.linian-xu {
  font-family: var(--chenxian);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--jin);
  margin-bottom: 14px;
}

.linian-tiao h3 { font-size: 20px; letter-spacing: 0.1em; margin-bottom: 12px; }

.linian-tiao p:last-child { font-size: 15px; color: var(--mo-qian); }

/* ---------- 预约引导深色条 ---------- */

.yuyue-dai {
  background: var(--mo);
  color: var(--zhi);
  text-align: center;
  padding: 88px 24px;
}

.yuyue-ying {
  font-family: var(--chenxian);
  font-size: 13px;
  letter-spacing: 0.34em;
  color: #B7AD98;
  margin-bottom: 16px;
}

.yuyue-shuo { color: #B7AD98; margin-bottom: 36px; }

.yuyue-dai .jinxian { margin: 24px auto 28px; }

.yuyue-dianhua {
  margin-top: 22px;
  font-size: 14px;
  color: #B7AD98;
  letter-spacing: 0.08em;
}

/* ---------- 内页页首 ---------- */

.ye-tou {
  max-width: 860px;
  margin: 0 auto;
  padding: 78px 24px 70px;
  text-align: center;
}

.ye-tou h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: 0.16em; }

.ye-tou-dao { color: var(--mo-qian); }

/* practice 编目锚点条 */
.bianmu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 44px;
  border-top: 1px solid var(--xian);
  border-bottom: 1px solid var(--xian);
}

.bianmu a {
  padding: 16px 30px;
  font-size: 15px;
  letter-spacing: 0.14em;
  border-left: 1px solid var(--xian);
  transition: color .2s, background .2s;
}

.bianmu a:first-child { border-left: none; }

.bianmu a span {
  font-family: var(--chenxian);
  color: var(--jin);
  margin-right: 8px;
}

.bianmu a:hover { background: rgba(154, 123, 60, 0.06); color: var(--jin); }

/* ---------- 领域详述 ---------- */

.lingyu {
  padding: 90px 24px;
  border-top: 1px solid var(--xian);
  scroll-margin-top: 20px;
}

.lingyu {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 70px;
  max-width: 1080px;
  margin: 0 auto;
}

/* 灰底区通栏,内容用内边距对齐到同一版心 */
.lingyu--hui {
  background: var(--zhi-shen);
  max-width: none;
  padding-left: max(24px, calc((100% - 1032px) / 2));
  padding-right: max(24px, calc((100% - 1032px) / 2));
}

.lingyu-xu {
  font-family: var(--chenxian);
  font-size: clamp(34px, 4vw, 46px);
  color: var(--jin);
  line-height: 1;
  margin-bottom: 10px;
}

.lingyu-zuo h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: 0.14em; margin-bottom: 26px; }

.lingyu-tu { width: 72px; margin-bottom: 26px; }

.lingyu-yan {
  font-family: var(--chenxian);
  font-size: 15px;
  color: var(--mo-qian);
  border-left: 2px solid var(--jin);
  padding-left: 14px;
  line-height: 1.9;
}

.xiao-ti {
  font-size: 13px;
  font-family: var(--heixian);
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--jin);
  margin: 42px 0 18px;
}

.lingyu-you .xiao-ti:first-child { margin-top: 6px; }

.changjing li {
  padding: 16px 0;
  border-bottom: 1px solid var(--xian);
}

.changjing li:first-child { border-top: 1px solid var(--xian); }

.changjing b {
  display: block;
  font-family: var(--chenxian);
  font-size: 17px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.changjing span {
  display: block;
  font-size: 14px;
  color: var(--mo-qian);
  margin-top: 4px;
}

/* 流程四步 */
.liucheng {
  display: flex;
  align-items: center;
  counter-reset: bu;
}

.liucheng li {
  counter-increment: bu;
  font-family: var(--chenxian);
  font-size: 17px;
  letter-spacing: 0.14em;
  white-space: nowrap;
  position: relative;
  padding-top: 24px;
}

.liucheng li::before {
  content: counter(bu, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--jin);
}

.liucheng li::after {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: clamp(24px, 6vw, 72px);
  height: 1px;
  background: var(--jin);
  margin: 0 14px;
  opacity: .55;
}

.liucheng li:last-child::after { display: none; }

/* 问答 */
.wenda dt {
  font-family: var(--chenxian);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-top: 18px;
}

.wenda dt::before { content: "问 · "; color: var(--jin); }

.wenda dd {
  font-size: 14px;
  color: var(--mo-qian);
  margin-top: 6px;
  padding-left: 34px;
}

.wenda dd::before { content: "答 · "; color: var(--jin); margin-left: -34px; padding-right: 3px; }

/* ---------- 律师名录 ---------- */

.minglu {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 90px;
}

.lvshi {
  display: grid;
  grid-template-columns: 56px 200px 1fr;
  gap: 44px;
  align-items: center;
  padding: 54px 0;
  border-top: 1px solid var(--xian);
}

.lvshi:last-child { border-bottom: 1px solid var(--xian); }

.lvshi-xu {
  font-family: var(--chenxian);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--jin);
  align-self: start;
}

.lvshi-xiang {
  position: relative;
}

.lvshi-xiang::after {
  content: "";
  position: absolute;
  inset: 10px -10px -10px 10px;
  border: 1px solid var(--jin);
  z-index: -1;
  opacity: .5;
}

.lvshi-xiang svg { width: 100%; height: auto; }

.lvshi-ming {
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: 0.12em;
}

.lvshi-zhi {
  font-family: var(--heixian);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--jin);
  margin-left: 14px;
}

.lvshi-nian {
  font-size: 14px;
  color: var(--mo-qian);
  letter-spacing: 0.06em;
  margin-top: 6px;
}

.lvshi-lingyu {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 20px;
}

.lvshi-lingyu li {
  border: 1px solid var(--xian);
  padding: 3px 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mo-qian);
  transition: border-color .2s, color .2s;
}

.lvshi:hover .lvshi-lingyu li { border-color: var(--jin); color: var(--jin); }

.lvshi-guan {
  font-family: var(--chenxian);
  font-size: 17px;
  letter-spacing: 0.04em;
  border-left: 2px solid var(--jin);
  padding-left: 16px;
}

/* ---------- 预约页 ---------- */

.yuyue-qu {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 100px;
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 80px;
  align-items: start;
}

.xinxi-ti {
  font-size: 22px;
  letter-spacing: 0.16em;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--mo);
  margin-bottom: 10px;
}

.xinxi-lie > div {
  padding: 18px 0;
  border-bottom: 1px solid var(--xian);
}

.xinxi-lie dt {
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--jin);
  margin-bottom: 4px;
}

.xinxi-lie dd { font-size: 15px; color: var(--mo-qian); }

.xinxi-tu {
  width: 100%;
  margin-top: 30px;
  border: 1px solid var(--xian);
  background: #fff;
}

/* 表单 */
.biao-zu { margin-bottom: 24px; }

.biao-zu label {
  display: block;
  font-size: 14px;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.bitian { color: var(--jin); margin-left: 4px; }

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--xian);
  background: #fff;
  font-family: var(--heixian);
  font-size: 15px;
  color: var(--mo);
  border-radius: 0;
  transition: border-color .2s;
}

select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--mo) 50%), linear-gradient(135deg, var(--mo) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }

input:hover, select:hover, textarea:hover { border-color: var(--mo-qian); }

input:focus, select:focus, textarea:focus { border-color: var(--jin); outline: none; }

textarea { resize: vertical; }

.biao-zu.cuo input, .biao-zu.cuo select { border-color: #A4442E; }

.cuowu {
  font-size: 13px;
  color: #A4442E;
  margin-top: 6px;
}

.biao-shuo {
  font-size: 13px;
  color: var(--mo-qian);
  margin-top: 16px;
  text-align: center;
}

/* 成功态 */
.chenggong {
  border: 1px solid var(--jin);
  padding: 56px 36px;
  text-align: center;
}

.chenggong svg { width: 56px; margin: 0 auto 22px; }

.chenggong h3 { font-size: 22px; letter-spacing: 0.14em; margin-bottom: 10px; }

.chenggong p { font-size: 14px; color: var(--mo-qian); }

/* ---------- 页脚 ---------- */

.jiaobu {
  border-top: 1px solid var(--xian);
  background: var(--zhi);
}

.jiaobu-nei {
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 50px;
}

.jiaobu-ming {
  font-family: var(--chenxian);
  font-size: 20px;
  letter-spacing: 0.22em;
  margin-bottom: 12px;
}

.jiaobu-lan { font-size: 14px; color: var(--mo-qian); }

.jiaobu-xiaoti {
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--jin);
  margin-bottom: 10px;
}

.jiaobu-lan a {
  display: block;
  padding: 3px 0;
  color: var(--mo-qian);
  transition: color .2s;
}

.jiaobu-lan a:hover { color: var(--jin); }

.jiaobu-sheng {
  text-align: center;
  font-size: 12px;
  color: #A39B8B;
  letter-spacing: 0.12em;
  padding: 18px 24px 22px;
  border-top: 1px solid var(--xian);
}

/* ============================================================
   响应式
   ============================================================ */

.dan-kuan { display: inline; }

@media (max-width: 1023px) {
  .daohang { gap: 34px; }
  .lingyu { grid-template-columns: 240px 1fr; gap: 46px; }
  .yuyue-qu { gap: 48px; }
}

@media (max-width: 767px) {

  .dan-kuan { display: none; }

  /* 头部改为单行 + 汉堡 */
  .toubu {
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .toubu-nei {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    padding: 12px 18px;
  }

  .suoming { flex-direction: row; gap: 10px; align-items: center; }
  .suohui { width: 32px; height: 32px; }
  .suoming-zhu { font-size: 18px; letter-spacing: 0.12em; text-indent: 0; }
  .suoming-fu { display: none; }

  .hanbao { display: flex; }

  .hanbao[aria-expanded="true"] .hanbao-xian:first-child { transform: translateY(4.5px) rotate(45deg); }
  .hanbao[aria-expanded="true"] .hanbao-xian:last-child { transform: translateY(-4.5px) rotate(-45deg); }

  /* 全屏覆盖菜单 */
  .daohang {
    display: none;
    position: fixed;
    top: 71px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--zhi);
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding: 30px 28px;
    border-top: 1px solid var(--xian);
    z-index: 39;
  }

  .daohang.kai { display: flex; }

  .daohang a {
    font-family: var(--chenxian);
    font-size: 22px;
    letter-spacing: 0.22em;
    padding: 20px 4px;
    border-bottom: 1px solid var(--xian);
    min-height: 44px;
  }

  .daohang a.dangqian { border-bottom: 1px solid var(--xian); color: var(--jin); }

  body.suoding { overflow: hidden; }

  /* 版式降级 */
  .shouping { padding: 64px 22px 76px; }
  .tianping { width: 96px; }
  .bian, .lingyu { padding: 64px 22px; }

  .mulu-hang { flex-wrap: wrap; row-gap: 4px; padding: 24px 6px; }
  .mulu-hang:hover { padding-left: 6px; }
  .mulu-dian { display: none; }
  .mulu-shu { flex-basis: 100%; order: 4; white-space: normal; }
  .mulu-jian { margin-left: auto; }

  .linian { grid-template-columns: 1fr; }
  .linian-tiao {
    border-left: none;
    border-top: 1px solid var(--xian);
    padding: 30px 4px;
  }
  .linian-tiao:first-child { border-top: none; padding-top: 4px; }

  .ye-tou { padding: 56px 22px 50px; }

  .bianmu a { padding: 13px 14px; font-size: 14px; letter-spacing: 0.08em; }

  .lingyu { grid-template-columns: 1fr; gap: 34px; }

  .liucheng { flex-wrap: wrap; row-gap: 14px; }
  .liucheng li::after { width: 18px; margin: 0 8px; }

  .lvshi {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 40px 0;
  }
  .lvshi-xu { align-self: auto; }
  .lvshi-xiang { max-width: 190px; }

  .minglu { padding-bottom: 60px; }

  .yuyue-qu { grid-template-columns: 1fr; gap: 56px; }

  .yuyue-dai { padding: 64px 22px; }

  .jiaobu-nei { grid-template-columns: 1fr; gap: 34px; padding: 46px 22px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .shouping { animation: none; }
  * { transition: none !important; }
}