/* ============================================================
   亭谊厂房招租 · 主样式表
   工业蓝设计系统 —— 如需统一换色，只改下面 :root 里的变量即可
   ============================================================ */

:root {
  /* —— 品牌色（改这里的值即可整体换色） —— */
  --navy-900: #0a1a2f;
  --navy-800: #0e2743;
  --navy-700: #123a63;
  --navy-600: #17518a;
  --brand: #1668b3;
  --brand-strong: #0d4f8b;
  --brand-soft: #e8f1fa;
  --accent: #f5a524;
  --accent-soft: #fff6e6;

  /* —— 中性色 —— */
  --ink: #0f1d2e;
  --text: #34495f;
  --muted: #6b7f95;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f5f8fb;
  --bg-soft-2: #eef4f9;

  /* —— 尺寸 —— */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 29, 46, .06), 0 2px 8px rgba(15, 29, 46, .05);
  --shadow: 0 10px 30px rgba(15, 29, 46, .09);
  --shadow-lg: 0 24px 60px rgba(10, 26, 47, .16);
  --wrap: 1180px;
  --gutter: 22px;
  --header-h: 68px;

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
          system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 .6em;
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(28px, 4.4vw, 46px); }
h2 { font-size: clamp(23px, 2.9vw, 34px); }
h3 { font-size: clamp(18px, 2vw, 21px); }
p { margin: 0 0 1em; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-strong); }
img, svg { max-width: 100%; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
strong { color: var(--ink); }

:focus-visible {
  outline: 3px solid rgba(22, 104, 179, .45);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================ 布局 ============================ */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--soft { background: var(--bg-soft); }
.section--grad {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%);
}
.section--dark {
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700) 55%, var(--navy-600));
  color: #d7e5f2;
}
.section--dark h2, .section--dark h3, .section--dark strong { color: #fff; }
.section--dark p { color: #b9cde0; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--tight { gap: 14px; }

/* ============================ 通用组件 ============================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}
.section--dark .eyebrow { background: rgba(255,255,255,.12); color: #cfe4f7; }

.section-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 46px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--muted); font-size: 16.5px; margin-bottom: 0; }
.section--dark .section-head p { color: #b9cde0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .2s ease, background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  box-shadow: 0 10px 24px rgba(22, 104, 179, .32);
}
.btn--primary:hover { color: #fff; box-shadow: 0 14px 30px rgba(22, 104, 179, .4); }
.btn--accent {
  background: linear-gradient(135deg, #ffb73d, var(--accent));
  color: #3a2600;
  box-shadow: 0 10px 24px rgba(245, 165, 36, .3);
}
.btn--accent:hover { color: #3a2600; }
.btn--ghost {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.45);
  color: #fff;
}
.btn--ghost:hover { background: rgba(255,255,255,.16); color: #fff; }
.btn--outline {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}
.btn--outline:hover { border-color: var(--brand); color: var(--brand); }
.btn--lg { padding: 16px 34px; font-size: 17px; }
.btn--block { width: 100%; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0ef; }
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }

.icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 16px;
}
.icon-badge svg { width: 26px; height: 26px; }

.tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: var(--brand-strong);
  border: 1px solid #d5e4f0;
}
.tag--warn { background: var(--accent-soft); color: #8a5a00; border-color: #f6dfb0; }
.tag--ok { background: #e9f7ef; color: #1a7a45; border-color: #c6e8d5; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ============================ 顶部导航 ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 20px rgba(15, 29, 46, .06);
}
.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -.02em;
  flex: 0 0 auto;
}
.brand:hover { color: var(--ink); }
.brand__mark {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--navy-700), var(--brand));
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(14, 39, 67, .28);
}
.brand__mark svg { width: 23px; height: 23px; color: #fff; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: 17px; }
.brand__sub { font-size: 11.5px; color: var(--muted); font-weight: 600; letter-spacing: .06em; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  list-style: none;
  padding: 0;
  margin-bottom: 0;
}
.nav__links a {
  display: block;
  padding: 9px 13px;
  border-radius: 9px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
}
.nav__links a:hover { background: var(--bg-soft-2); color: var(--brand-strong); }
.nav__links a[aria-current="page"] { color: var(--brand); background: var(--brand-soft); }
.nav__cta { margin-left: 8px; display: flex; align-items: center; gap: 10px; }
.nav__links .nav__mobile-cta { display: none; }

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 11px;
  cursor: pointer;
  place-items: center;
  color: var(--ink);
}
.nav__toggle span {
  display: block; width: 19px; height: 2px; background: currentColor; border-radius: 2px;
  position: relative; transition: background .2s;
}
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 19px; height: 2px;
  background: currentColor; border-radius: 2px; transition: transform .22s, top .22s;
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ============================ 首屏 Hero ============================ */
/* 首屏不使用图片，采用干净的深色渐变底 + 细网格纹理 */
.hero {
  position: relative;
  color: #eaf3fb;
  background:
    radial-gradient(1100px 520px at 82% 8%, rgba(42, 130, 205, .42), transparent 62%),
    radial-gradient(760px 420px at 6% 96%, rgba(245, 165, 36, .16), transparent 60%),
    linear-gradient(155deg, #071527 0%, #0d2b4c 45%, #114a80 100%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero .wrap { z-index: 3; }
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(52px, 7vw, 92px) 0 clamp(46px, 6vw, 78px);
}
.hero__badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.hero__pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.11);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(6px);
}
.hero__pill svg { width: 15px; height: 15px; color: #7fc0f5; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero h1 .hl {
  background: linear-gradient(180deg, transparent 62%, rgba(245,165,36,.5) 62%);
  padding: 0 2px;
}
.hero__lead {
  font-size: clamp(16px, 1.35vw, 18.5px);
  color: #c5dbee;
  max-width: 56ch;
  margin-bottom: 26px;
}
.hero__params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}
.hero__params li {
  display: flex; align-items: baseline; gap: 10px;
  font-size: 15px; color: #bdd3e7;
}
.hero__params b { color: #fff; font-size: 17px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero__note { font-size: 13.5px; color: #9fb8ce; margin: 16px 0 0; }

.hero__media { position: relative; }
.hero__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.14);
  display: block;
}
/* 首屏信息卡（替代图片）：半透明玻璃质感，保持"轻"和"专业" */
.hero-card {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 2.6vw, 30px);
  box-shadow: 0 22px 50px rgba(4, 14, 28, .32);
  backdrop-filter: blur(10px) saturate(140%);
}
.hero-card__head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}
.hero-card__head .tag {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .24);
  color: #eaf3fb;
}
.hero-card__title {
  color: #fff;
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 800;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.hero-card__sub {
  color: #b9cde0;
  font-size: 14.5px;
  margin: 0 0 18px;
}
.hero-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.hero-card__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(255, 255, 255, .14);
  font-size: 15px;
  color: #b9cde0;
}
.hero-card__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero-card__list b { color: #fff; font-weight: 700; text-align: right; }
.hero-card__foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  font-size: 14px;
  color: #b9cde0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-card__foot strong { color: #fff; font-size: 20px; }
.hero__float {
  position: absolute;
  left: -18px; bottom: 26px;
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 12px;
  max-width: 78%;
}
.hero__float .icon-badge { margin: 0; width: 40px; height: 40px; border-radius: 11px; }
.hero__float .icon-badge svg { width: 21px; height: 21px; }
.hero__float b { display: block; font-size: 15px; line-height: 1.35; }
.hero__float small { color: var(--muted); font-size: 12.5px; }

/* 数据条 */
.stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.16);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 22px 0;
}
.stat { text-align: center; padding: 6px 10px; }
.stat + .stat { border-left: 1px solid rgba(255,255,255,.13); }
.stat__num {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1.15;
}
.stat__num small { font-size: .5em; font-weight: 700; margin-left: 3px; color: #8fc2ea; }
.stat__label { font-size: 13.5px; color: #a9c3da; }

/* ============================ 房源卡片 ============================ */
.listing {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s, transform .25s;
}
.listing:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.listing__media { position: relative; background: var(--bg-soft-2); min-height: 260px; }
.listing__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.listing__status {
  position: absolute; top: 16px; left: 16px;
  background: rgba(10, 26, 47, .82);
  color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 6px 13px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.listing__status--hot { background: linear-gradient(135deg, #ef6c2b, #d9451f); }
.listing__body { padding: clamp(24px, 3vw, 34px); }
.listing__price { color: #d9451f; font-weight: 800; font-size: 20px; margin: 0 0 4px; }
.listing__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  margin: 20px 0;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
  padding-left: 0;
}
.listing__specs li { display: flex; gap: 8px; font-size: 15px; }
.listing__specs span { color: var(--muted); flex: 0 0 auto; min-width: 4.5em; }
.listing__specs b { color: var(--ink); font-weight: 600; }
.listing__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 20px; }

/* ============================ 参数表 ============================ */
.spec-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 15.5px;
}
.spec-table caption {
  caption-side: top;
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  padding: 0 0 12px;
  font-size: 17px;
}
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table thead th { background: var(--bg-soft-2); color: var(--ink); font-weight: 700; font-size: 14.5px; }
.spec-table tbody th { width: 34%; font-weight: 600; color: var(--muted); background: #fcfdfe; }
.spec-table tbody tr:last-child th, .spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover td, .spec-table tbody tr:hover th { background: #fbfdff; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 560px; }

/* ============================ 试算器 ============================ */
.calc {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3vw, 32px);
  box-shadow: var(--shadow-sm);
}
.calc__row { margin-bottom: 20px; }
.calc__row label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-weight: 600; color: var(--ink); font-size: 15px; margin-bottom: 9px;
}
.calc__row label output { color: var(--brand); font-weight: 800; font-size: 17px; }
.calc input[type="range"] {
  width: 100%; height: 6px; border-radius: 999px; appearance: none;
  background: linear-gradient(90deg, var(--brand) var(--fill, 50%), #e3ebf3 var(--fill, 50%));
  cursor: pointer;
}
.calc input[type="range"]::-webkit-slider-thumb {
  appearance: none; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
  box-shadow: 0 2px 8px rgba(15,29,46,.25);
}
.calc input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
}
.calc__radios { display: flex; gap: 10px; flex-wrap: wrap; }
.calc__radios label {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--line); border-radius: 999px;
  padding: 9px 16px; cursor: pointer; font-size: 14.5px; font-weight: 600;
  color: var(--text); margin: 0; transition: border-color .2s, background .2s, color .2s;
}
.calc__radios input { accent-color: var(--brand); margin: 0; }
.calc__radios label:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-strong); }
.calc__result {
  margin-top: 24px;
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700));
  color: #cfdff0;
  border-radius: var(--radius);
  padding: 22px;
}
.calc__result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.calc__result-grid div { text-align: center; }
.calc__result-grid strong {
  display: block; color: #fff; font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 800; line-height: 1.25;
}
.calc__result-grid strong small { font-size: .55em; font-weight: 600; color: #93bfe5; margin-left: 2px; }
.calc__result-grid span { font-size: 13px; color: #a2bdd6; }
.calc__disclaimer { font-size: 12.5px; color: var(--muted); margin: 16px 0 0; }

/* ============================ 联系 & 表单 ============================ */
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 34px);
  box-shadow: var(--shadow-sm);
}
.contact-list { list-style: none; padding: 0; margin: 0 0 4px; }
.contact-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 15px 0; border-bottom: 1px dashed var(--line);
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list .icon-badge { width: 42px; height: 42px; margin: 0; border-radius: 12px; flex: 0 0 auto; }
.contact-list .icon-badge svg { width: 21px; height: 21px; }
.contact-list b { display: block; color: var(--ink); font-size: 16.5px; }
.contact-list span { font-size: 14px; color: var(--muted); }
.contact-list a { font-weight: 700; }

.lead-form { display: grid; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.field .req { color: #d9451f; }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15.5px;
  color: var(--ink);
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(22,104,179,.12);
}
.field__hint { font-size: 12.5px; color: var(--muted); }
.form-status { font-size: 14.5px; border-radius: 10px; padding: 12px 14px; display: none; }
.form-status.is-on { display: block; }
.form-status--ok { background: #e9f7ef; color: #1a7a45; border: 1px solid #c6e8d5; }
.form-status--err { background: #fdecea; color: #b3261e; border: 1px solid #f6cfcb; }
.form-status--info { background: var(--brand-soft); color: var(--brand-strong); border: 1px solid #cfe0ef; }

.callout {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--accent-soft);
  border: 1px solid #f6dfb0;
  border-radius: var(--radius);
  padding: 18px 20px;
}
.callout svg { width: 24px; height: 24px; color: #c47f00; flex: 0 0 auto; margin-top: 3px; }
.callout p:last-child { margin-bottom: 0; }

/* ============================ 微信二维码 ============================ */
.wechat-qr {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.wechat-qr img {
  width: 148px;
  height: 148px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  display: block;
  flex: 0 0 auto;
}
.wechat-qr__text { display: grid; gap: 8px; min-width: 160px; }
.wechat-qr__text b { color: var(--ink); font-size: 16px; }
.wechat-qr__text span { color: var(--muted); font-size: 14px; }
.wechat-qr__text .btn { padding: 9px 18px; font-size: 14.5px; }
.wechat-qr-row { border-bottom: 0 !important; padding-top: 4px !important; }
.section--dark .wechat-qr { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .18); }
.section--dark .wechat-qr__text b { color: #fff; }
.section--dark .wechat-qr__text span { color: #b9cde0; }
.section--dark .wechat-qr__text .btn { background: transparent; border-color: rgba(255,255,255,.35); color: #fff; }
.section--dark .wechat-qr__text .btn:hover { border-color: #fff; }
@media (max-width: 420px) {
  .wechat-qr img { width: 120px; height: 120px; }
  .wechat-qr__text { min-width: 120px; }
}

/* ============================ 步骤 / 流程 ============================ */
.steps { counter-reset: step; display: grid; gap: 20px; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 24px 24px 74px;
  box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 22px; top: 22px;
  width: 36px; height: 36px; border-radius: 11px;
  background: linear-gradient(140deg, var(--navy-700), var(--brand));
  color: #fff; font-weight: 800; font-size: 16px;
  display: grid; place-items: center;
}
.step h3 { margin-bottom: 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ============================ 时间线（优势/配套） ============================ */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 15.5px; }
.check-list svg { width: 21px; height: 21px; color: #1a9d5c; flex: 0 0 auto; margin-top: 3px; }
.section--dark .check-list svg { color: #5fd39a; }

/* ============================ 页面头（内页） ============================ */
.page-head {
  position: relative;
  color: #eaf3fb;
  background:
    radial-gradient(900px 420px at 88% 0%, rgba(42,130,205,.45), transparent 60%),
    linear-gradient(155deg, #071527, #0d2b4c 55%, #114a80);
  padding: clamp(38px, 5vw, 62px) 0;
}
.page-head h1 { color: #fff; margin-bottom: 12px; }
.page-head p { color: #b9cde0; max-width: 72ch; margin: 0; }
.breadcrumb { font-size: 13.5px; color: #9fb8ce; margin: 0 0 14px; padding: 0; list-style: none; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: #bdd3e7; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #6f8ba5; }

/* ============================ 图集 ============================ */
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.gallery figure { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--bg-soft-2); }
.gallery img { width: 100%; height: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; transition: transform .3s; }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption { font-size: 13.5px; color: var(--muted); padding: 10px 14px; background: #fff; }

/* 实拍照片卡片（首页厂区实拍） */
.gallery--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.photo-card {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--navy-900);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.photo-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.photo-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; transition: transform .35s ease, opacity .25s; }
.photo-card:hover img { transform: scale(1.05); opacity: .92; }
.photo-card > span {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 14px 11px;
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, rgba(7,21,39,0) 0%, rgba(7,21,39,.82) 78%);
  pointer-events: none;
}

/* ============================ 地图 ============================ */
.map-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.map-card__body { padding: 22px 24px; }
.map-links { display: flex; flex-wrap: wrap; gap: 10px; }
.map-links a {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14.5px; font-weight: 600;
  padding: 9px 16px; border-radius: 999px;
  border: 1.5px solid var(--line); color: var(--ink);
}
.map-links a:hover { border-color: var(--brand); color: var(--brand); }

/* ============================ 页脚 ============================ */
.site-footer {
  background: var(--navy-900);
  color: #9db4ca;
  padding: clamp(40px, 5vw, 62px) 0 26px;
  font-size: 14.5px;
}
.site-footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 14px; letter-spacing: .02em; }
.site-footer a { color: #b7cde1; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 32px; }
.footer-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; color: #fff; font-weight: 800; font-size: 17px; }
.footer-brand .brand__mark { box-shadow: none; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer-bottom {
  margin-top: 34px; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: #7f97ae;
}
.footer-bottom p { margin: 0; }

/* ============================ 手机底部行动条 ============================ */
.mobile-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 95;
  display: none;
  grid-template-columns: 1fr 1fr 1.25fr;
  gap: 8px;
  padding: 9px 12px calc(9px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 22px rgba(15,29,46,.08);
}
.mobile-bar .btn { padding: 12px 10px; font-size: 15px; }

/* ============================ 动效 ============================ */
/* 未开启 JS 时不做隐藏，保证内容可读（html.js 由页面头部脚本添加） */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1); }
html.js .reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .07s; }
.reveal[data-delay="2"] { transition-delay: .14s; }
.reveal[data-delay="3"] { transition-delay: .21s; }
.reveal[data-delay="4"] { transition-delay: .28s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

/* ============================ 工具类 ============================ */
.text-c { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.muted { color: var(--muted); }
.small { font-size: 13.5px; }
.nowrap { white-space: nowrap; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: #fff; color: var(--brand-strong); padding: 10px 16px;
  border-radius: 8px; box-shadow: var(--shadow); font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ============================ 响应式 ============================ */
@media (max-width: 1080px) {
  .nav__links { gap: 0; }
  .nav__links a { padding: 9px 10px; font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
}

@media (max-width: 940px) {
  .nav__cta .btn { display: none; }
  .nav__toggle { display: grid; }
  .nav__links {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 14px 18px 22px;
    gap: 6px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(15,29,46,.14);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s, transform .22s, visibility .22s;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__links a { padding: 14px 12px; font-size: 17px; border-radius: 10px; }
  .nav__links .nav__mobile-cta { display: block; margin-top: 8px; }
  .nav__links .nav__mobile-cta .btn { display: inline-flex; width: 100%; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__media { order: 2; }
  .hero__copy { order: 1; }
  .hero__float { left: 12px; bottom: 14px; max-width: 88%; }
  .stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.13); }
  .listing { grid-template-columns: 1fr; }
  .listing__media { min-height: 220px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery--grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  body { font-size: 15.5px; }
  :root { --gutter: 18px; --header-h: 62px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero__params { grid-template-columns: 1fr; gap: 8px; }
  .calc__result-grid { grid-template-columns: 1fr; gap: 10px; }
  .calc__result-grid div { display: flex; justify-content: space-between; align-items: baseline; text-align: left; }
  .listing__specs { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .gallery--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .photo-card > span { font-size: 12.5px; padding: 20px 10px 9px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .mobile-bar { display: grid; }
  body { padding-bottom: 76px; }
  .card { padding: 22px; }
  .step { padding: 22px 20px 22px 66px; }
  .step::before { left: 18px; top: 20px; }
  .brand__sub { display: none; }
}

@media (max-width: 420px) {
  .mobile-bar { grid-template-columns: 1fr 1fr; }
  .mobile-bar .btn--primary { grid-column: span 2; order: -1; }
}

/* ============================ 打印 ============================ */
@media print {
  .site-header, .mobile-bar, .site-footer, .btn { display: none !important; }
  body { color: #000; font-size: 12pt; padding: 0; }
  .hero, .page-head, .section--dark { background: #fff !important; color: #000 !important; }
  .hero h1, .section--dark h2, .hero__params b, .stat__num { color: #000 !important; }
  .card, .contact-card, .calc, .spec-table, .listing { box-shadow: none !important; break-inside: avoid; }
  a { color: #000; text-decoration: underline; }
}