@charset "utf-8";
/* ==========================================================================
   沈阳焱斯空压机有限公司 — 全站样式
   设计体系：炭黑底 + 安全橙信号色 + 硬直角 + 1px 分割线 + 无 emoji
   ========================================================================== */

:root {
  --bg: #141618;
  --bg-alt: #1a1d21;
  --bg-card: #1a1d21;
  --bg-deep: #101215;
  --line: #26292e;
  --line-soft: #1f2226;
  --orange: #f5a623;
  --orange-dark: #c8801a;
  --orange-wash: rgba(245, 166, 35, .1);
  --text: #f2f3f5;
  --text-2: #b6bcc5;
  --text-3: #8b929c;
  --text-4: #6b7280;
  --radius: 4px;
  --wrap: 1312px;
  --nav-h: 64px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }

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

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 64px; }

/* ---------- 排版原子 ---------- */
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.h-xl { font-size: 50px; line-height: 1.2; }
.h-lg { font-size: 38px; line-height: 1.28; }
.h-md { font-size: 26px; line-height: 1.35; }
.h-sm { font-size: 19px; line-height: 1.4; }
.lead { font-size: 16px; line-height: 1.85; color: var(--text-2); }
.muted { color: var(--text-3); }
.accent { color: var(--orange); }

.section { padding: 88px 0; }
.section--tight { padding: 64px 0; }
.section--alt { background: var(--bg-alt); }
.section--deep { background: var(--bg-deep); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

.sec-head { margin-bottom: 40px; }
.sec-head .lead { max-width: 780px; margin-top: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--orange);
  color: #141618;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .16s, border-color .16s, color .16s;
  white-space: nowrap;
}
.btn:hover { background: #ffb63d; }
.btn--ghost {
  background: transparent;
  border-color: #3a3f46;
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--orange); color: var(--orange); }
.btn--dark { background: #1f2226; color: var(--text); }
.btn--dark:hover { background: #2a2e33; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(20, 22, 24, .94);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__in { display: flex; align-items: center; gap: 32px; height: 100%; }

.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__mark {
  width: 30px; height: 30px;
  border-radius: 3px;
  background: var(--orange);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.brand__mark svg { width: 17px; height: 17px; display: block; }
.brand__name { font-size: 16px; font-weight: 700; letter-spacing: .01em; white-space: nowrap; }
.brand__sub {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .16em;
  color: var(--text-4);
  margin-top: 1px;
}

.nav__links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 14.5px;
  color: var(--text-2);
  transition: color .16s, background .16s;
  white-space: nowrap;
}
.nav__link:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav__link.is-on { color: var(--orange); }
.nav__tel {
  display: flex; align-items: center; gap: 9px;
  height: 38px; padding: 0 16px;
  border-radius: var(--radius);
  background: var(--orange);
  color: #141618;
  font-family: var(--mono);
  font-size: 14px; font-weight: 700;
  white-space: nowrap;
  transition: background .16s;
}
.nav__tel:hover { background: #ffb63d; }

.nav__toggle { display: none; }

@media (max-width: 1080px) {
  .wrap { padding: 0 32px; }
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s, transform .18s, visibility .18s;
    margin-left: 0;
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__link { padding: 13px 0; border-bottom: 1px solid var(--line-soft); }
  .nav__tel { margin-top: 16px; justify-content: center; }
  .nav__toggle {
    display: grid; place-items: center;
    margin-left: auto;
    width: 40px; height: 40px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: transparent;
    cursor: pointer;
  }
  .nav__toggle span {
    display: block; position: relative;
    width: 17px; height: 1.5px; background: var(--text);
  }
  .nav__toggle span::before,
  .nav__toggle span::after {
    content: ""; position: absolute; left: 0;
    width: 17px; height: 1.5px; background: var(--text);
  }
  .nav__toggle span::before { top: -5.5px; }
  .nav__toggle span::after { top: 5.5px; }
}

/* ---------- 首屏 ---------- */
.hero { background: var(--bg); border-bottom: 1px solid var(--line); }
.hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 80px 0; }
.hero__title { font-size: 48px; line-height: 1.22; }
.hero__desc { margin-top: 20px; font-size: 16px; line-height: 1.85; color: var(--text-2); max-width: 560px; }
.hero__actions { margin-top: 32px; }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 44px;
  background: var(--line);
  border: 1px solid var(--line);
}
.hero__stat { background: var(--bg); padding: 16px 18px; }
.hero__stat b {
  display: block;
  font-family: var(--mono);
  font-size: 21px; font-weight: 700;
  color: var(--orange);
  letter-spacing: -.01em;
}
.hero__stat span { display: block; font-size: 12.5px; color: var(--text-3); margin-top: 4px; }

.hero__media { position: relative; }
.hero__media img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radius); }
.hero__tag {
  position: absolute; left: 0; bottom: 0;
  background: rgba(16,18,21,.9);
  border-left: 2px solid var(--orange);
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text-2);
  backdrop-filter: blur(6px);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; padding: 48px 0; }
  .hero__title { font-size: 34px; }
  .h-xl { font-size: 34px; }
  .h-lg { font-size: 28px; }
  .hero__media img { height: 300px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 56px 0; }
}

/* ---------- 通用卡片 ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .16s, transform .16s;
}
.card:hover { border-color: #3a3f46; }
.card--link:hover { border-color: var(--orange); }

.card__ph {
  background: #23262b;
  min-height: 190px;
  display: grid;
  place-items: center;
  color: var(--text-4);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}
.card__ph img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.card__media { position: relative; height: 220px; overflow: hidden; }

/* 规格型卡片：无实拍品类改用参数展示，信息量高于配图 */
.spec {
  height: 220px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}
.spec__r {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(38, 41, 46, .75);
}
.spec__r:last-of-type { border-bottom: 0; padding-bottom: 0; }
.spec__k {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--text-3);
  text-transform: uppercase;
}
.spec__v {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--orange);
  white-space: nowrap;
}
.spec__note {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-4);
}

.card__body { padding: 24px; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.card__title { font-size: 19px; }
.card__desc { font-size: 13.5px; line-height: 1.75; color: var(--text-2); }
.card__spec {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--orange);
}
.card__idx {
  font-family: var(--mono);
  font-size: 12px; font-weight: 500;
  color: var(--orange);
}
.card.is-primary { border-color: var(--orange); }

.chip {
  display: inline-block;
  align-self: flex-start;
  background: var(--orange-wash);
  border: 1px solid rgba(245,166,35,.28);
  color: var(--orange);
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 3px;
}
.chip--mute { background: #1f2226; border-color: var(--line); color: var(--text-3); }

/* ---------- 工况选择器 ---------- */
.picker { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 48px; }
.picker__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 26px; }
.pick {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .16s;
}
.pick:hover { border-color: #3a3f46; }
.pick.is-on { border-color: var(--orange); }
.pick__t { font-size: 17px; font-weight: 600; }
.pick__d { font-size: 13px; line-height: 1.75; color: var(--text-2); flex: 1; }
@media (max-width: 900px) {
  .picker { padding: 28px 24px; }
  .picker__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) { .picker__grid { grid-template-columns: 1fr; } }

/* ---------- 主推机型 ---------- */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature__media { position: relative; min-height: 420px; }
.feature__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feature__body { padding: 44px; display: flex; flex-direction: column; gap: 18px; }
.feature__specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 4px; }
.feature__spec { background: var(--bg-alt); padding: 14px 12px; }
.feature__spec b { display: block; font-family: var(--mono); font-size: 20px; font-weight: 700; }
.feature__spec span { display: block; font-size: 11.5px; color: var(--text-4); margin-top: 3px; }
@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; }
  .feature__media { min-height: 260px; }
  .feature__body { padding: 28px 24px; }
  .feature__specs { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tbl th, .tbl td { padding: 15px 22px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line-soft); }
.tbl th { background: var(--bg-deep); font-size: 12.5px; color: var(--text-3); font-weight: 500; letter-spacing: .04em; }
.tbl td:first-child { font-weight: 600; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl__num { font-family: var(--mono); font-weight: 700; color: var(--orange); font-size: 14px; }
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- 步骤 / 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; display: flex; flex-direction: column; gap: 11px; }
.step__n {
  width: 38px; height: 38px;
  border-radius: var(--radius);
  background: var(--orange);
  color: #141618;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 18px; font-weight: 700;
}
.step__t { font-size: 17px; font-weight: 600; }
.step__d { font-size: 13.5px; line-height: 1.75; color: var(--text-2); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- 转化区 ---------- */
.cta { background: var(--orange); color: #141618; padding: 60px 0; }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.cta__t { font-size: 30px; }
.cta__d { font-size: 15px; line-height: 1.75; color: #3d3a35; margin-top: 10px; max-width: 640px; }
@media (max-width: 900px) { .cta__t { font-size: 24px; } }

/* ---------- 页脚 ---------- */
.foot { background: var(--bg-deep); border-top: 1px solid var(--line); padding: 56px 0 32px; }
.foot__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; }
.foot__h { font-size: 13px; color: var(--text-4); letter-spacing: .1em; text-transform: uppercase; font-family: var(--mono); margin-bottom: 16px; }
.foot__li { margin-bottom: 9px; }
.foot__li a { font-size: 14px; color: var(--text-2); }
.foot__li a:hover { color: var(--orange); }
.foot__desc { font-size: 14px; color: var(--text-3); line-height: 1.8; max-width: 320px; margin-top: 14px; }
.foot__tel { font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--text); }
.foot__addr { font-size: 14px; color: var(--text-2); line-height: 1.8; margin-top: 8px; }
.foot__bot {
  margin-top: 40px; padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-4);
}
/* 备案号需链接到工信部备案系统，但页脚是深色底，
   链接色须与正文区分开，否则看不出可点击 */
.foot__bot a { color: var(--text-3); transition: color .15s; }
.foot__bot a:hover { color: var(--orange); }
@media (max-width: 900px) { .foot__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .foot__grid { grid-template-columns: 1fr; } }

/* ---------- 案例 ---------- */
.case { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.case + .case { margin-top: 28px; }
.case__media { position: relative; height: 400px; background: #23262b; }
.case__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case__badge {
  position: absolute; top: 16px; left: 16px;
  background: rgba(16,18,21,.9);
  border-left: 2px solid var(--orange);
  padding: 8px 14px; font-size: 13px; color: var(--text);
  backdrop-filter: blur(6px);
}
.case__body { padding: 32px; }
.case__t { font-size: 23px; margin-bottom: 12px; }
.case__d { font-size: 14.5px; line-height: 1.85; color: var(--text-2); }
.case__quote {
  margin-top: 20px;
  border-left: 2px solid var(--orange);
  background: var(--orange-wash);
  padding: 16px 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}
@media (max-width: 900px) { .case__media { height: 240px; } .case__body { padding: 24px 20px; } }

/* ---------- 文章 / 正文 ---------- */
.prose { max-width: 100%; }
.prose h2 { font-size: 25px; margin: 44px 0 16px; padding-top: 26px; border-top: 1px solid var(--line); }
.prose h3 { font-size: 18.5px; margin: 30px 0 12px; }
.prose p { font-size: 15.5px; line-height: 1.95; color: var(--text-2); margin-bottom: 16px; }
.prose ul { margin: 0 0 18px; padding-left: 0; }
.prose li { font-size: 15px; line-height: 1.9; color: var(--text-2); padding-left: 20px; position: relative; margin-bottom: 8px; }
.prose li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; background: var(--orange); }
.prose strong { color: var(--text); font-weight: 600; }
.prose table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 14px; }
.prose th, .prose td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--bg-deep); font-weight: 600; color: var(--text); }
.prose a { color: var(--orange); border-bottom: 1px solid rgba(245,166,35,.35); }
.prose a:hover { border-bottom-color: var(--orange); }

.toc {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 36px;
}
.toc__h { font-size: 13px; font-family: var(--mono); color: var(--text-4); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.toc__li a { display: block; font-size: 14px; color: var(--text-2); padding: 5px 0; }
.toc__li a:hover { color: var(--orange); }

.note {
  background: var(--orange-wash);
  border: 1px solid rgba(245,166,35,.3);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
}
.note__t { font-weight: 600; margin-bottom: 6px; display: block; }

/* ---------- 文章列表 ---------- */
.post {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: border-color .16s, background .16s;
}
.post:hover { border-color: var(--orange); background: var(--bg-alt); }
.post + .post { margin-top: 16px; }
.post__t { font-size: 19px; margin-bottom: 9px; }
.post__d { font-size: 14px; line-height: 1.8; color: var(--text-2); }
.post__m {
  margin-top: 14px;
  display: flex; gap: 18px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; color: var(--text-4);
}

/* ---------- 表单 ---------- */
.form { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.field { margin-bottom: 20px; }
.field__label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 9px; }
.field__label em { color: var(--orange); font-style: normal; margin-left: 3px; }
.field input, .field textarea {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 15px;
  font-size: 15px;
  color: var(--text);
  transition: border-color .16s;
}
.field input:focus, .field textarea:focus { border-color: var(--orange); outline: none; }
.field textarea { min-height: 128px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-4); }
.form__tip { font-size: 13px; color: var(--text-4); margin-top: 14px; line-height: 1.7; }

/* ---------- 联系信息块 ---------- */
.cinfo { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.cinfo + .cinfo { margin-top: 16px; }
.cinfo__k { font-size: 12.5px; font-family: var(--mono); color: var(--text-4); letter-spacing: .08em; text-transform: uppercase; }
.cinfo__v { font-size: 17px; font-weight: 600; margin-top: 7px; }
.cinfo__v.mono { font-size: 20px; font-weight: 700; }
.cinfo__n { font-size: 14px; color: var(--text-2); margin-top: 6px; line-height: 1.7; }

/* ---------- 面包屑 ---------- */
.crumb { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; font-size: 13px; color: var(--text-4); padding: 18px 0; }
.crumb a:hover { color: var(--orange); }
.crumb span { color: var(--text-4); }

/* ---------- 页头 ---------- */
.phead { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 56px 0 52px; }
.phead__d { font-size: 16px; line-height: 1.85; color: var(--text-2); margin-top: 16px; max-width: 880px; }

/* ---------- FAQ ---------- */
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 0;
  background: none; border: 0; cursor: pointer;
  font-family: var(--font); font-size: 16.5px; font-weight: 600;
  color: var(--text); text-align: left;
}
.faq__q:hover { color: var(--orange); }
.faq__ico { flex-shrink: 0; width: 13px; height: 13px; position: relative; }
.faq__ico::before, .faq__ico::after {
  content: ""; position: absolute; background: var(--orange);
  left: 50%; top: 50%; transform: translate(-50%,-50%);
}
.faq__ico::before { width: 13px; height: 1.5px; }
.faq__ico::after { width: 1.5px; height: 13px; transition: transform .2s; }
.faq__item.is-open .faq__ico::after { transform: translate(-50%,-50%) rotate(90deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .24s ease; }
.faq__item.is-open .faq__a { max-height: 460px; }
.faq__a-in { padding: 0 0 24px; font-size: 14.5px; line-height: 1.9; color: var(--text-2); max-width: 880px; }

/* ---------- 区域覆盖 ---------- */
.zone { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.zone__h { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.zone__t { font-size: 19px; }
.zone__n { font-family: var(--mono); font-size: 13px; color: var(--orange); font-weight: 700; }
.zone__list { display: flex; flex-wrap: wrap; gap: 8px; }
.zone__city { font-size: 13.5px; color: var(--text-2); background: var(--bg-deep); border: 1px solid var(--line); border-radius: 3px; padding: 5px 11px; }

/* ---------- 工具类 ---------- */
.mt-s { margin-top: 12px; }
.mt-m { margin-top: 24px; }
.mt-l { margin-top: 40px; }
.mt-xl { margin-top: 60px; }
.tc { text-align: center; }
.mb-m { margin-bottom: 24px; }
.nowrap { white-space: nowrap; }
.hide-s { display: none; }

@media (max-width: 900px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .grid--4.keep-2, .grid--3.keep-2 { grid-template-columns: 1fr 1fr; }
  .form { padding: 24px 20px; }
}
@media (max-width: 560px) {
  .grid--4.keep-2, .grid--3.keep-2 { grid-template-columns: 1fr; }
  .wrap { padding: 0 20px; }
}

/* 打印 */
@media print {
  .nav, .cta, .foot, .msg-pop { display: none !important; }
  body { background: #fff; color: #000; }
}