@charset "UTF-8";
/* ==========================================================================
   WhatsApp 网页版 · 联系人黄页（Contact Directory）
   设计方向：黄页电话簿
   亮黄底 + 黑色密排 + 红色交叉引用 + 字母索引标签
   无圆角、无阴影堆叠、无渐变装饰。所有颜色走变量。
   ========================================================================== */

:root {
  --yellow: #f2cd3a;
  --yellow-2: #e8bf22;
  --paper: #fffdf2;
  --ink: #171717;
  --ink-2: #3a3520;
  --muted: #6b6033;
  --red: #b8382a;
  --blue: #1d4f8f;
  --line: #c9b64a;
  --line-2: #a89a3d;
  --dark: #171717;
  --tint: #fbf3cf;

  --sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --mono: Consolas, "SFMono-Regular", Menlo, "Liberation Mono", monospace;

  --fs-2xs: 0.7rem;
  --fs-xs: 0.78rem;
  --fs-sm: 0.87rem;
  --fs-base: 1.01rem;
  --fs-md: 1.11rem;
  --fs-lg: 1.3rem;
  --fs-xl: clamp(1.36rem, 2.1vw, 1.7rem);
  --fs-2xl: clamp(1.56rem, 2.8vw, 2.05rem);
  --fs-3xl: clamp(1.84rem, 3.5vw, 2.7rem);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.72;
  background-color: var(--yellow);
  background-image:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, .022) 0 1px, transparent 1px 3px);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(29, 79, 143, .4);
}
a:hover { color: var(--red); border-bottom-color: var(--red); }

code {
  font-family: var(--mono);
  font-size: 0.87em;
  background: rgba(255, 253, 242, .75);
  border: 1px solid var(--line-2);
  padding: 0.04em 0.32em;
}

strong { font-weight: 700; color: #000; }

ul, ol { margin: 0; padding-left: 1.2em; }
li { margin: 0.34em 0; }

.wrap {
  width: min(1120px, calc(100% - 2.4rem));
  margin-inline: auto;
}

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--dark);
  color: var(--yellow);
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 4px solid var(--red);
}
.topbar-in {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 60px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  border-bottom: 0;
  color: #fdf7dd;
  flex: none;
}
.brand-mark {
  width: 30px;
  height: 30px;
  background: var(--yellow);
  color: var(--dark);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  flex: none;
}
.brand-name {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.15;
}
.brand-name span {
  display: block;
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: #9c8f4a;
  text-transform: uppercase;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.05rem;
  margin-left: auto;
  font-size: var(--fs-xs);
}
.nav a {
  border-bottom: 0;
  color: #cfc480;
  padding: 0.4rem 0.55rem;
}
.nav a:hover { color: var(--yellow); background: rgba(255, 255, 255, .08); }
.nav a[aria-current="page"] {
  color: var(--dark);
  background: var(--yellow);
  font-weight: 700;
}
.topcta {
  border: 1px solid #4a4420;
  color: #ded487;
  font-size: var(--fs-xs);
  padding: 0.36rem 0.7rem;
  border-bottom: 1px solid #4a4420;
  flex: none;
}
.topcta:hover { background: var(--yellow); color: var(--dark); border-color: var(--yellow); }

/* ---------- 首屏 ---------- */
.hero { padding: clamp(2rem, 4.2vw, 3.4rem) 0 clamp(1.7rem, 3.4vw, 2.6rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  gap: clamp(1.7rem, 4vw, 3rem);
  align-items: start;
}
.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--dark);
  color: var(--yellow);
  padding: 0.24rem 0.55rem;
}
.hero h1 {
  font-size: var(--fs-3xl);
  line-height: 1.2;
  letter-spacing: -0.014em;
  margin: 0.85rem 0 1rem;
  font-weight: 800;
  text-wrap: balance;
}
.nb { display: inline-block; }
.h1-eye {
  display: block;
  font-family: var(--mono);
  font-size: 0.38em;
  letter-spacing: 0.16em;
  color: #6b5f1c;
  margin-bottom: 0.3em;
  text-transform: uppercase;
  font-weight: 400;
}
.hero-lead {
  font-size: var(--fs-md);
  color: #2f2b14;
  max-width: 34em;
  margin: 0 0 1.4rem;
}
.acts { display: flex; flex-wrap: wrap; gap: 0.55rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 0.6rem 1rem;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.btn:hover { background: var(--red); border-color: var(--red); color: #fff; }
.btn-solid { background: var(--dark); color: var(--yellow); }
.btn-solid:hover { background: var(--red); border-color: var(--red); color: #fff; }

/* 首屏右侧：条目卡 */
.entrycard {
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: 0;
}
.ec-head {
  background: var(--ink);
  color: var(--yellow);
  padding: 0.5rem 0.85rem;
  font-family: var(--mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
}
.ec-body { padding: 0.85rem 0.9rem 1rem; }
.ec-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.3rem 0;
  font-size: var(--fs-sm);
}
.ec-row .k {
  font-family: var(--mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}
.ec-row .dots {
  flex: 1;
  border-bottom: 1px dotted var(--line-2);
  transform: translateY(-0.28em);
}
.ec-row .v { font-weight: 700; white-space: nowrap; }
.ec-row .v.mono { font-family: var(--mono); font-weight: 400; }
.ec-note {
  margin: 0.7rem 0 0;
  padding-top: 0.55rem;
  border-top: 2px solid var(--ink);
  font-size: var(--fs-xs);
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* ---------- 数据条 ---------- */
.strip { background: var(--dark); color: #cfc480; }
.strip-in { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric {
  padding: 0.9rem 1rem;
  border-right: 1px solid rgba(255, 255, 255, .12);
}
.metric:last-child { border-right: 0; }
.metric b {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.2rem, 2.1vw, 1.66rem);
  color: var(--yellow);
  line-height: 1.1;
  font-weight: 400;
}
.metric span { display: block; font-size: var(--fs-xs); color: #9c8f4a; margin-top: 0.22rem; line-height: 1.5; }

/* ---------- 章节 ---------- */
.sec { padding: clamp(2rem, 4.2vw, 3.2rem) 0; }
.sec-head { margin-bottom: 1.5rem; }
.sec-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--red);
  color: #fff;
  padding: 0.22rem 0.5rem;
  margin-bottom: 0.55rem;
}
.sec-tag.ghost { background: var(--dark); color: var(--yellow); }
.sec-title {
  font-size: var(--fs-xl);
  line-height: 1.32;
  margin: 0 0 0.35rem;
  font-weight: 800;
  letter-spacing: -0.008em;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 0.4rem;
}
.sec-sub { margin: 0.55rem 0 0; color: #2f2b14; font-size: var(--fs-sm); max-width: 46em; }

/* ---------- 条目列表 ---------- */
.grid { display: grid; gap: 0.9rem; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: rgba(255, 253, 242, .72);
  border: 1px solid var(--line-2);
  border-top: 3px solid var(--ink);
  padding: 0.9rem 0.95rem 1rem;
}
.card.red { border-top-color: var(--red); }
.card.plain { border-top-color: var(--line-2); }
.card h3 {
  margin: 0.15rem 0 0.4rem;
  font-size: var(--fs-md);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.card p { margin: 0 0 0.55rem; color: var(--ink-2); font-size: var(--fs-sm); }
.card p:last-child { margin-bottom: 0; }
.card .lbl {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.card .lbl.grey { color: var(--muted); }

/* ---------- 条目行 ---------- */
.entries { background: var(--paper); border: 2px solid var(--ink); }
.entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.62rem 0.9rem;
  border-bottom: 1px dotted var(--line-2);
}
.entry:last-child { border-bottom: 0; }
.entry .nm {
  font-weight: 700;
  font-size: var(--fs-sm);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.entry .nm em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 400;
}
.entry .desc { font-size: var(--fs-xs); color: var(--ink-2); margin-top: 0.15rem; }
.entry .val {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--red);
  white-space: nowrap;
}

/* ---------- 字母索引 ---------- */
.alpha {
  position: fixed;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 20;
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1;
}
.alpha span {
  padding: 3px 6px;
  background: var(--paper);
  color: var(--muted);
  border-left: 3px solid var(--line-2);
}
.alpha span.on { background: var(--ink); color: var(--yellow); border-left-color: var(--red); }

/* ---------- 步骤 ---------- */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.steps li {
  position: relative;
  padding: 0 0 1.25rem 3rem;
  margin: 0;
  counter-increment: s;
}
.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05rem;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--yellow);
  background: var(--ink);
  padding: 0.16rem 0.34rem;
}
.steps h3 { margin: 0 0 0.25rem; font-size: var(--fs-md); font-weight: 800; line-height: 1.4; }
.steps p { margin: 0 0 0.35rem; color: var(--ink-2); font-size: var(--fs-sm); }
.steps p:last-child { margin-bottom: 0; }

/* ---------- 表格 ---------- */
.tbl-wrap { overflow-x: auto; max-width: 100%; border: 2px solid var(--ink); background: var(--paper); }
.tbl { width: 100%; min-width: 33rem; border-collapse: collapse; font-size: var(--fs-sm); }
.tbl caption {
  caption-side: top;
  text-align: left;
  padding: 0.5rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--yellow);
}
.tbl th, .tbl td { text-align: left; padding: 0.58rem 0.85rem; border-bottom: 1px dotted var(--line-2); vertical-align: top; }
.tbl thead th {
  background: rgba(23, 23, 23, .08);
  font-weight: 800;
  font-size: var(--fs-xs);
  border-bottom: 2px solid var(--ink);
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover { background: rgba(255, 255, 255, .5); }
.tbl td:first-child { font-weight: 700; }

/* ---------- 提示 ---------- */
.note-box {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-left-width: 8px;
  border-left-color: var(--red);
  padding: 0.8rem 0.95rem;
  font-size: var(--fs-sm);
  color: var(--ink-2);
  margin-block: 1.1rem;
}
.note-box b { color: var(--ink); }
.note-box.grey { border-left-color: var(--ink); }

/* ---------- 相关 ---------- */
.related { margin-top: 1.7rem; border-top: 3px solid var(--ink); padding-top: 0.9rem; }
.related h2 {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.55rem;
  font-weight: 400;
}
.related ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.35rem 1.2rem; }
.related li { margin: 0; }
.related a { display: flex; align-items: baseline; gap: 0.4rem; font-size: var(--fs-sm); border-bottom: 0; }
.related a::before { content: "→"; color: var(--red); font-family: var(--mono); font-size: 0.8em; }

/* ---------- 页脚 ---------- */
.foot { background: var(--dark); color: #b5a95e; padding: 1.8rem 0 2rem; margin-top: 1rem; border-top: 4px solid var(--red); }
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr));
  gap: 1.6rem;
}
.foot h2 {
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #857a3c;
  margin: 0 0 0.55rem;
  font-weight: 400;
}
.foot p { margin: 0; font-size: var(--fs-sm); max-width: 30em; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin: 0.28rem 0; }
.foot a { font-size: var(--fs-sm); color: #cfc480; border-bottom: 1px solid rgba(255, 255, 255, .16); }
.foot a:hover { color: var(--yellow); border-bottom-color: var(--yellow); }
.foot-bottom {
  margin-top: 1.3rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: #7c7240;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  justify-content: space-between;
}

/* ---------- 404 ---------- */
.err {
  min-height: 56vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  padding: 3rem 0;
  text-align: center;
}
.err .no {
  font-family: var(--mono);
  font-size: clamp(2.2rem, 7.4vw, 4.2rem);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  background: var(--ink);
  color: var(--yellow);
  padding: 0.1em 0.3em;
  display: inline-block;
}
.err h1 { font-size: var(--fs-2xl); font-weight: 800; margin: 0.8rem 0 0.6rem; }
.err p { color: #2f2b14; margin: 0 auto 1.4rem; max-width: 34em; }
.err .acts { justify-content: center; }

/* ---------- 响应式 ---------- */
@media (max-width: 1240px) {
  .alpha { display: none; }
}

@media (max-width: 980px) {
  .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 899px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .entrycard { max-width: 27rem; }
}

@media (max-width: 760px) {
  .g2, .g3 { grid-template-columns: minmax(0, 1fr); }
  .strip-in { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(1), .metric:nth-child(2) { border-bottom: 1px solid rgba(255, 255, 255, .12); }
  .related ul { grid-template-columns: minmax(0, 1fr); }
  .nav { order: 3; margin-left: 0; width: 100%; flex-wrap: wrap; padding-bottom: 0.25rem; }
  .nav a { padding: 0.34rem 0.46rem; }
  .topcta { order: 2; margin-left: auto; }
  .entry { grid-template-columns: minmax(0, 1fr); gap: 0.15rem; }
  .entry .val { justify-self: start; }
}

@media (max-width: 600px) {
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .foot-grid > div:first-child { grid-column: auto; }
  .acts .btn { flex: 1 1 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}