/* ============================================================
   上海星锐泽机电工程有限公司 · 冷库工程官网
   共享样式表 — 深海蓝 × 冰白 × 温度橙
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --c-deep: #0b2e43;          /* 深海蓝：主色（库体/导航） */
  --c-ink: #06202f;           /* 深青墨：页脚/深色区 */
  --c-steel: #45677c;         /* 蓝灰：次级文字 */
  --c-ice: #f4f9fc;           /* 冰白：页面基底 */
  --c-mist: #e6f1f7;          /* 冷雾：浅色卡片 */
  --c-frost: #c9e2ef;         /* 霜蓝：分隔/描边 */
  --c-accent: #ef6c35;        /* 温度橙：唯一强调色 */
  --c-accent-deep: #d8541e;   /* 橙深：hover */
  --c-text: #12303f;          /* 主文字 */
  --c-body: #41596a;          /* 正文 */

  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-display: "Oswald", "Noto Sans SC", "PingFang SC", sans-serif;

  --shadow-sm: 0 2px 14px rgba(11, 46, 67, .09);
  --shadow-md: 0 14px 38px rgba(11, 46, 67, .14);
  --shadow-lg: 0 24px 60px rgba(11, 46, 67, .18);
  --radius: 16px;
  --container: 1280px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-body);
  background: var(--c-ice);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-body);
  color: var(--c-text);
  line-height: 1.25;
  text-wrap: balance;
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-accent);
  color: #fff;
  padding: .6rem 1.2rem;
  z-index: 999;
}
.skip-link:focus { left: 0; }

/* ---------- Layout Utilities ---------- */
.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

.section { padding: clamp(4.5rem, 8vw, 7.5rem) 0; }

/* 独立标题块（行业方案-核心能力）：压缩上下间距，与内容间距对齐常规 section-head */
.cap-head { padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(1.8rem, 3vw, 2.4rem); }
.cap-head .section-head { margin-bottom: 0; }
.cap-dark { padding-top: clamp(2.4rem, 4vw, 3.2rem); }

.section-dark { background: var(--c-deep); color: #cfe4ef; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #f4fafd; }
.section-ink { background: var(--c-ink); }
.section-ink .section-head h2 { color: #f4fafd; }
.section-ink .section-head p { color: #b8d3e2; }

/* 眉标 + 标题 + 说明 */
.section-head { max-width: 780px; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-head.center { margin-inline: auto; text-align: center; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .9rem;
}
.kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--c-accent);
  flex: none;
}
.section-head.center .kicker::after {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--c-accent);
  flex: none;
}

.section-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 700; }
.section-head p { margin-top: 1rem; color: var(--c-body); font-size: 1.02rem; }
.section-dark .section-head p { color: #b8d3e2; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .9rem 1.9rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: .98rem;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  min-height: 46px;
}
.btn-primary { background: var(--c-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--c-accent-deep); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.btn-outline { border-color: var(--c-frost); color: var(--c-deep); }
.btn-outline:hover { border-color: var(--c-deep); background: var(--c-deep); color: #fff; }

/* ---------- 温区徽章（签名元素） ---------- */
.temp-badge {
  display: inline-flex;
  align-items: baseline;
  gap: .15rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: #7fd3f0;                      /* 冰蓝数码字 */
  background: linear-gradient(180deg, #0d3556, #071f2e);
  border: 1px solid rgba(127, 211, 240, .35);
  border-radius: 8px;
  padding: .25rem .55rem .2rem;
  letter-spacing: .02em;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04), 0 4px 14px rgba(4, 24, 36, .35);
  line-height: 1;
  white-space: nowrap;
}
.temp-badge .deg { font-size: 1.35em; }
.temp-badge .unit { font-size: .8em; color: #9fd8ec; }
.temp-badge.lg { font-size: clamp(1.4rem, 3vw, 2.1rem); padding: .45rem .8rem .4rem; border-radius: 10px; }
.temp-badge.sm { font-size: .85rem; padding: .2rem .45rem .16rem; }

/* ---------- Header & Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-deep);
  border-bottom: 1px solid rgba(127, 211, 240, .15);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 80px;
}
.brand { display: flex; flex-direction: column; line-height: 1.1; }
.brand-cn { font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: .04em; }
.brand-en {
  font-family: var(--font-display);
  font-size: .66rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: #7fd3f0;
  margin-top: .25rem;
}

/* 品牌 LOGO（白色容器承载，保证深色导航下清晰） */
.brand-logo {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border-radius: 10px;
  padding: 6px 12px;
  box-shadow: 0 2px 8px rgba(4, 24, 36, .25);
  line-height: 0;
}
.brand-logo img { height: 38px; width: auto; display: block; }
.footer-about .brand-logo { box-shadow: none; }

.nav-links { display: flex; gap: .2rem; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: .55rem 1rem;
  border-radius: 8px;
  color: #cfe4ef;
  font-size: .95rem;
  font-weight: 400;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(127, 211, 240, .12); }
.nav-links a.active { color: #fff; background: rgba(127, 211, 240, .16); }
.nav-links a.active::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--c-accent);
  margin-top: 2px;
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  padding: .5rem 1.15rem;
  font-size: .88rem;
  min-height: 36px;
}
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  background: none;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
}
.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  margin: 3px 0;
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(540px, 76vh, 840px);
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(6, 32, 47, .92) 0%, rgba(11, 46, 67, .72) 45%, rgba(6, 32, 47, .35) 100%);
}
.hero-body { position: relative; z-index: 2; padding: clamp(5rem, 10vw, 8rem) 0; max-width: 760px; }
.hero .kicker { color: #7fd3f0; }
.hero .kicker::before { background: #7fd3f0; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 5.2vw, 3.9rem); font-weight: 800; line-height: 1.15; }
.hero p.lead { margin-top: 1.4rem; font-size: clamp(1.05rem, 2.1vw, 1.25rem); color: #d7e9f2; max-width: 60ch; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.4rem; }
.hero-meta {
  display: flex;
  gap: clamp(1.2rem, 4vw, 3rem);
  margin-top: 2.6rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(127, 211, 240, .25);
  flex-wrap: wrap;
}
.hero-meta .num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 600;
  color: #fff;
  line-height: 1;
}
.hero-meta .num i { color: var(--c-accent); font-style: normal; }
.hero-meta .lbl { font-size: .8rem; color: #9fc4d8; margin-top: .3rem; }

/* Hero 区企业资质徽章 */
.hero-qual {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
}
.qual-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #eaf4fb;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .02em;
}
.qual-badge svg { width: 15px; height: 15px; color: var(--c-accent); flex: none; }

/* 关于我们页：浅色背景上的资质徽章（三枚一排） */
.about-qual {
  display: flex;
  flex-wrap: nowrap;
  gap: .5rem;
  margin-top: 1.5rem;
}
.about-qual .qual-badge {
  flex: 1 1 0;
  justify-content: center;
  padding: .42rem .5rem;
  font-size: .72rem;
  white-space: nowrap;
}
.about-qual .qual-badge svg { width: 13px; height: 13px; }
.qual-badge.qual-dark {
  background: var(--c-frost);
  border-color: rgba(11, 46, 67, .14);
  color: var(--c-ink);
}

/* 内页 Hero（窄版） */
.page-hero {
  background: var(--c-deep);
  color: #fff;
  padding: clamp(3.8rem, 8vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 85% 0%, rgba(127, 211, 240, .14), transparent 60%),
    radial-gradient(500px 260px at 10% 100%, rgba(239, 108, 53, .10), transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3rem); }
.crumbs {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: #9fc4d8;
  margin-bottom: .9rem;
  flex-wrap: wrap;
}
.crumbs a:hover { color: #fff; }
.crumbs svg { width: 12px; height: 12px; }
.crumbs span { color: #7fd3f0; }
.page-hero p { margin-top: .8rem; color: #cfe4ef; max-width: 68ch; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 冷库类型卡 */
.type-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.type-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.type-card .card-media { aspect-ratio: 16 / 9; overflow: hidden; }
.type-card .card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.type-card:hover .card-media img { transform: scale(1.05); }
.type-card .card-body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.type-card .card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: .8rem; }
.type-card h3 { font-size: 1.12rem; font-weight: 700; }
.type-card p { font-size: .9rem; color: var(--c-body); }
.type-card .card-link { margin-top: auto; padding-top: .7rem; }
.type-card .card-link a {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .88rem;
  font-weight: 500;
  color: var(--c-accent);
}
.type-card .card-link a svg { width: 14px; height: 14px; transition: transform .2s; }
.type-card .card-link a:hover svg { transform: translateX(4px); }

/* 行业卡 */
.ind-card {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.ind-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ind-card .ind-icon {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--c-mist);
  display: grid;
  place-items: center;
  color: var(--c-deep);
}
.ind-card .ind-icon svg { width: 26px; height: 26px; }
.ind-card h3 { font-size: 1.1rem; margin-bottom: .35rem; }
.ind-card p { font-size: .9rem; }
.ind-card .temp-badge { margin-top: .7rem; }
/* 深色区块内的行业卡：恢复深色文字，避免白字落在白卡上看不清 */
.section-dark .ind-card h3 { color: var(--c-text); }
.section-dark .ind-card p { color: var(--c-body); }
.industries-cta { display: flex; justify-content: center; margin-top: 2.4rem; }

/* 能力卡 */
.cap-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--c-accent);
  transition: transform .25s ease, box-shadow .25s ease;
}
.cap-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cap-card .cap-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--c-deep);
  color: #7fd3f0;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}
.cap-card .cap-icon svg { width: 26px; height: 26px; }
.cap-card h3 { font-size: 1.12rem; margin-bottom: .4rem; }
.cap-card p { font-size: .9rem; }
.cap-card ul.feature-list { display: grid; gap: .6rem; margin-top: 1.1rem; }
.cap-card ul.feature-list li { display: flex; gap: .55rem; align-items: flex-start; font-size: .9rem; line-height: 1.6; }
.cap-card ul.feature-list svg { width: 17px; height: 17px; flex: none; color: var(--c-accent); margin-top: .22rem; }

/* 深色区内能力卡（能力详述 / 服务承诺） */
.section-dark .cap-card {
  background: rgba(255, 255, 255, .05);
  border-top-color: #7fd3f0;
  box-shadow: none;
}
.section-dark .cap-card:hover { box-shadow: 0 12px 30px rgba(0, 0, 0, .28); }
.section-dark .cap-card .cap-icon { background: rgba(127, 211, 240, .14); }
.section-dark .cap-card h3 { color: #fff; }
.section-dark .cap-card p { color: #b8d3e2; }
.section-dark .cap-card ul.feature-list li { color: #d7e9f2; }

/* ---------- 数据条 ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.stat-item { text-align: center; padding: 1.2rem; }
.stat-item .stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 2.7rem);
  font-weight: 600;
  color: #fff;
  line-height: 1;
}
.stat-item .stat-num i { color: var(--c-accent); font-style: normal; }
.stat-item .stat-lbl { color: #9fc4d8; font-size: .86rem; margin-top: .45rem; }
.stat-item + .stat-item { border-left: 1px solid rgba(127, 211, 240, .18); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; counter-reset: step; }
.step {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(127, 211, 240, .18);
  border-radius: var(--radius);
  padding: 1.6rem 1.3rem;
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--c-accent);
  display: block;
  margin-bottom: .8rem;
}
.step h3 { color: #fff; font-size: 1.02rem; margin-bottom: .35rem; }
.step p { font-size: .85rem; color: #a9c6d8; }

/* ---------- 双栏图文 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.split-media .temp-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
}
.split-body h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); margin-bottom: 1rem; }
.split-body p { margin-bottom: .9rem; }
.split-body ul.feature-list { display: grid; gap: .6rem; margin: 1.2rem 0 1.6rem; }
.split-body ul.feature-list li { display: flex; gap: .6rem; align-items: flex-start; font-size: .94rem; color: var(--c-text); }
.split-body ul.feature-list svg { width: 18px; height: 18px; flex: none; color: var(--c-accent); margin-top: .22rem; }
.section-dark .split-body ul.feature-list li { color: #d7e9f2; }
.split.rev .split-media { order: 2; }

/* ---------- CTA 条 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--c-deep), #0a3a55 60%, var(--c-deep));
  color: #fff;
  text-align: center;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before, .cta-band::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(127, 211, 240, .12), transparent 65%);
}
.cta-band::before { top: -120px; left: -80px; }
.cta-band::after { bottom: -140px; right: -60px; }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: .8rem; }
.cta-band p { color: #cfe4ef; max-width: 60ch; margin: 0 auto 2rem; font-size: 1.02rem; }
.cta-band .btn-primary { font-size: 1.05rem; padding: 1.05rem 2.4rem; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin-inline: auto; display: grid; gap: .9rem; }
.faq-item {
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: 12px;
  overflow: hidden;
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  font-weight: 500;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-mark {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--c-frost);
  display: grid;
  place-items: center;
  color: var(--c-accent);
  transition: transform .25s ease, background .25s ease;
}
.faq-item summary .faq-mark svg { width: 14px; height: 14px; }
.faq-item[open] summary .faq-mark { transform: rotate(45deg); background: var(--c-mist); }
.faq-item .faq-body { padding: 0 1.3rem 1.2rem; font-size: .93rem; color: var(--c-body); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: start; }
.contact-info { display: grid; gap: 1rem; }
.contact-card {
  display: flex;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  align-items: flex-start;
}
.contact-card .ci-icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--c-mist);
  display: grid;
  place-items: center;
  color: var(--c-deep);
}
.contact-card .ci-icon svg { width: 22px; height: 22px; }
.contact-card h3 { font-size: .95rem; margin-bottom: .15rem; }
.contact-card p, .contact-card a { font-size: .92rem; color: var(--c-body); word-break: break-all; }
.contact-card a:hover { color: var(--c-accent); }

.form-panel {
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  box-shadow: var(--shadow-sm);
}
.form-panel h2 { font-size: 1.3rem; margin-bottom: .5rem; }
.form-panel > p { font-size: .9rem; margin-bottom: 1.4rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: .35rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .86rem; font-weight: 500; color: var(--c-text); }
.form-field input, .form-field select, .form-field textarea {
  font-family: inherit;
  font-size: .94rem;
  padding: .72rem .9rem;
  border: 1px solid var(--c-frost);
  border-radius: 10px;
  background: #fbfdfe;
  color: var(--c-text);
  min-height: 46px;
  transition: border-color .2s, box-shadow .2s;
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(239, 108, 53, .15);
}
.form-tip { font-size: .78rem; color: var(--c-steel); }
.wechat-qr { display: flex; justify-content: center; margin: 1.6rem 0 1.2rem; }
.wechat-qr img { width: 240px; height: 240px; border-radius: 12px; border: 1px solid var(--c-frost); background: #fff; }
.form-submit { margin-top: 1.4rem; width: 100%; }

.form-success {
  display: none;
  background: var(--c-mist);
  border: 1px solid var(--c-frost);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-size: .92rem;
  color: var(--c-text);
  margin-top: 1rem;
}
.form-success.show { display: block; }

/* ---------- 详情列表（服务页逐条） ---------- */
.detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.6rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(2.4rem, 5vw, 3.6rem) 0;
}
.detail-row + .detail-row { border-top: 1px solid var(--c-frost); }
.detail-row .d-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.detail-row .d-media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.detail-row.rev .d-media { order: 2; }
.detail-row h3 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin: .7rem 0 .7rem; }
.detail-row .d-desc { font-size: .95rem; margin-bottom: 1rem; }
.detail-row .d-tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.detail-row .d-more {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: 1rem;
  font-size: .92rem;
  font-weight: 500;
  color: var(--c-accent);
}
.detail-row .d-more svg { width: 15px; height: 15px; transition: transform .2s; }
.detail-row .d-more:hover svg { transform: translateX(4px); }
.tag {
  font-size: .78rem;
  padding: .25rem .7rem;
  border-radius: 999px;
  background: var(--c-mist);
  color: var(--c-steel);
  border: 1px solid var(--c-frost);
}

/* ---------- 产品详情页 ---------- */
.prod-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1rem;
}
.prod-hero-tag .temp-badge { font-size: 1.05rem; }
.prod-desc-lead {
  display: flex;
  gap: 1rem;
  background: var(--c-mist);
  border: 1px solid var(--c-frost);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  margin: 0 0 clamp(2.5rem, 5vw, 3.5rem);
  align-items: flex-start;
}
.prod-desc-lead svg { width: 26px; height: 26px; flex: none; color: var(--c-accent); margin-top: .15rem; }
.prod-desc-lead p { font-size: 1rem; color: var(--c-text); line-height: 1.85; }

.prod-block { margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.prod-block:last-child { margin-bottom: 0; }
.prod-block .block-head { display: flex; align-items: center; gap: .9rem; margin-bottom: 1.4rem; }
.prod-block .block-num {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-accent);
  background: var(--c-mist);
  border: 1px solid var(--c-frost);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: none;
}
.prod-block h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); }
.prod-block > p { font-size: .98rem; }

.scene-list, .config-list, .flow-steps { display: grid; gap: .9rem; }
.scene-list { grid-template-columns: repeat(2, 1fr); }
.scene-item {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}
.scene-item svg { width: 20px; height: 20px; flex: none; color: var(--c-accent); margin-top: .2rem; }
.scene-item strong { color: var(--c-text); font-size: .96rem; display: block; margin-bottom: .15rem; }
.scene-item p { font-size: .88rem; }

.config-list { grid-template-columns: repeat(2, 1fr); }
.config-item {
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  position: relative;
}
.config-item h3 { font-size: 1rem; margin-bottom: .45rem; display: flex; align-items: center; gap: .5rem; }
.config-item h3 svg { width: 18px; height: 18px; color: var(--c-accent); flex: none; }
.config-item ul { display: grid; gap: .4rem; }
.config-item li { font-size: .89rem; color: var(--c-body); display: flex; gap: .45rem; }
.config-item li::before { content: "·"; color: var(--c-accent); font-weight: 700; }

.flow-steps { grid-template-columns: repeat(5, 1fr); counter-reset: flow; }
.flow-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-frost);
  border-radius: var(--radius);
  padding: 1.3rem 1rem;
  counter-increment: flow;
  text-align: center;
}
.flow-step::before {
  content: counter(flow, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--c-accent);
  display: block;
  margin-bottom: .5rem;
}
.flow-step h3 { font-size: .95rem; margin-bottom: .3rem; }
.flow-step p { font-size: .8rem; }

@media (max-width: 768px) {
  .scene-list, .config-list { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .flow-steps { grid-template-columns: 1fr; }
}

/* ---------- 关于页数字 & 价值观 ---------- */
.value-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.value-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--c-deep);
}
.value-card h3 { font-size: 1.08rem; margin-bottom: .4rem; }
.value-card p { font-size: .9rem; }
.value-card .vc-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--c-accent);
  display: block;
  margin-bottom: .7rem;
}

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-ink); color: #9fc0d4; font-size: .9rem; }
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2.5rem;
}
.footer-main h3 {
  color: #fff;
  font-size: .95rem;
  margin-bottom: 1rem;
  letter-spacing: .04em;
}
.footer-about p { font-size: .88rem; max-width: 36ch; margin-top: .9rem; }
.footer-links li { margin-bottom: .5rem; }
.footer-links a { color: #9fc0d4; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-contact li { display: flex; gap: .5rem; margin-bottom: .6rem; font-size: .88rem; align-items: flex-start; }
.footer-contact svg { width: 15px; height: 15px; flex: none; color: var(--c-accent); margin-top: .28rem; }
.footer-wechat { display: flex; align-items: center; gap: .7rem; margin-top: 1.1rem; }
.footer-wechat img { width: 104px; height: 104px; border-radius: 10px; object-fit: cover; box-shadow: 0 4px 14px rgba(0,0,0,.25); background: #fff; }
.footer-wechat span { font-size: .82rem; color: #9fc3d6; line-height: 1.4; }
.footer-bottom {
  border-top: 1px solid rgba(127, 211, 240, .14);
  padding: 1.1rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: #6f93a9;
}
.footer-bottom a { color: #6f93a9; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .icp { white-space: nowrap; }

/* ---------- 移动端一键拨号 ---------- */
.call-fab {
  position: fixed;
  right: 1rem;
  bottom: 1.1rem;
  z-index: 90;
  display: none;
  align-items: center;
  gap: .5rem;
  background: var(--c-accent);
  color: #fff;
  padding: .85rem 1.2rem;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(239, 108, 53, .45);
  font-weight: 600;
  font-size: .98rem;
  line-height: 1;
  transition: transform .2s ease, background .2s ease;
}
.call-fab svg { width: 20px; height: 20px; flex: none; }
.call-fab:hover { background: var(--c-accent-deep); transform: translateY(-2px); }

/* ---------- 右侧悬浮联系条（桌面端显示，移动端隐藏，由底部拨号条替代） ---------- */
.side-contact {
  position: fixed;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 85;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  width: 135px;
  padding: .75rem;
  background: linear-gradient(160deg, #0e354d 0%, #0b2e43 100%);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(11, 46, 67, .35);
}
.side-head {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: #fff;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.side-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(239, 108, 53, .18);
}
.side-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .7rem .35rem;
  border-radius: 9px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  color: #fff;
}
.side-phone-num { font-weight: 700; font-size: .88rem; letter-spacing: 0; }
.side-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  padding: .5rem;
  background: #fff;
  border-radius: 10px;
}
.side-qr img { width: 84px; height: 84px; display: block; }
.side-qr span { font-size: .68rem; color: var(--c-ink); letter-spacing: .02em; }
@media (max-width: 1024px) { .side-contact { display: none; } }

/* ---------- 滚动揭示 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .split-media { order: 0 !important; }
  .detail-row { grid-template-columns: 1fr; }
  .detail-row.rev .d-media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; flex-direction: column; }
  /* 移动端一键拨号：底部居中横向长条 */
  .call-fab {
    display: inline-flex;
    right: 50%;
    transform: translateX(50%);
    bottom: .9rem;
    width: min(92%, 560px);
    justify-content: center;
    padding: .95rem 1.2rem;
    font-size: 1.05rem;
    gap: .6rem;
    box-shadow: 0 10px 30px rgba(239, 108, 53, .5);
  }
  .call-fab svg { width: 22px; height: 22px; }
  .call-fab:hover { transform: translateX(50%) translateY(-2px); }
  body { padding-bottom: 84px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-deep);
    flex-direction: column;
    padding: 1rem 1.25rem 1.4rem;
    gap: .3rem;
    border-bottom: 1px solid rgba(127, 211, 240, .2);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .8rem 1rem; font-size: 1.02rem; }
  .nav-cta { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stat-item + .stat-item { border-left: none; }
  .stat-item:nth-child(odd) { border-left: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  /* 移动端页脚：LOGO 与公司介绍并排一行，栏目与冷库类型同排两列 */
  .footer-main { grid-template-columns: 1fr 1fr; gap: 1.8rem 1.5rem; }
  .footer-about {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
  }
  .footer-about p { margin-top: 0; max-width: none; flex: 1; font-size: .84rem; }
  .footer-contact { grid-column: 1 / -1; }
  /* 底部联系我们：电话/地址/服务区域各自单行显示，不换行堆叠 */
  .footer-contact li { white-space: nowrap; font-size: .8rem; gap: .4rem; }
  .footer-contact li svg { margin-top: .22rem; }
  /* 移动端联系我们：微信二维码移到联系信息右侧并排，底部与服务区域持平（顶对齐+等高度，不撑大标题间距） */
  .footer-main > div:last-child { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: flex-start; gap: .9rem 1.1rem; }
  .footer-main > div:last-child h3 { flex: 1 1 100%; margin-bottom: 0; }
  .footer-main .footer-contact { flex: 1 1 auto; min-width: 0; }
  .footer-main .footer-wechat { flex: none; flex-direction: column; gap: .35rem; margin-top: 0; }
  .footer-main .footer-wechat img { width: 72px; height: 72px; }
}

@media (max-width: 480px) {
  /* 四大区块手机端双列：冷库类型 / 核心能力 / 服务流程 / 行业客户 */
  .grid-4 { grid-template-columns: repeat(2, 1fr); gap: .8rem; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: .8rem; }
  .ind-grid { grid-template-columns: repeat(2, 1fr); gap: .8rem; }
  /* 行业客户卡：窄卡内图标上置、文字居下，双列不挤压 */
  .ind-grid .ind-card { flex-direction: column; gap: .85rem; padding: 1.1rem 1rem; }
  .ind-grid .ind-card h3 { font-size: 1rem; }
  .ind-grid .ind-card p { font-size: .82rem; line-height: 1.55; }
  /* 核心能力卡：双列下收紧内边距与描述字号 */
  .cap-card { padding: 1.2rem 1rem; }
  .cap-card .cap-icon { width: 46px; height: 46px; }
  .cap-card p { font-size: .84rem; line-height: 1.55; }
  /* 类型卡温区徽章：允许与标题换行排布，双列窄卡内不溢出 */
  .type-card .card-top { flex-wrap: wrap; gap: .4rem .6rem; }
  .type-card .temp-badge { font-size: .76rem; }
  .type-card .card-body { padding: .9rem .85rem 1rem; }
  .type-card .card-body p { font-size: .84rem; line-height: 1.55; }
  .hero-actions .btn { width: 100%; }
  /* 数据条：更紧凑的两列 */
  .stat-item { padding: .9rem .4rem; }
  .stat-item .stat-num { font-size: 1.55rem; }
  .stat-item .stat-lbl { font-size: .76rem; }
  /* Hero 底部指标：三项等分一行 */
  .hero-meta { gap: .7rem; }
  .hero-meta > div { flex: 1; min-width: 0; }
  .hero-meta .lbl { font-size: .72rem; }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ================= 冷库百科文章详情页 ================= */
.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
.article-body { min-width: 0; }
.article-meta {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}
.tag-ghost {
  background: rgba(255,255,255,.12);
  color: #cfe8f5;
  border: 1px solid rgba(127,211,240,.35);
}
.article-sec {
  padding: clamp(1.4rem, 2.5vw, 1.8rem) 0 clamp(1.2rem, 2vw, 1.6rem);
  border-bottom: 1px solid var(--c-line);
}
.article-sec:last-of-type { border-bottom: none; }
.article-sec h2 {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 1rem;
}
.article-sec h2 span {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-accent);
  letter-spacing: .05em;
}
.article-sec p {
  font-size: .98rem;
  line-height: 1.95;
  color: var(--c-body);
  margin-bottom: .9rem;
}
.article-sec p:last-child { margin-bottom: 0; }
.article-outro {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  margin: clamp(1.6rem, 3vw, 2.2rem) 0 1.2rem;
  padding: 1.2rem 1.4rem;
  background: linear-gradient(135deg, #eef6fb, #f7fbfd);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius);
}
.article-outro svg { width: 26px; height: 26px; flex: none; color: var(--c-accent); margin-top: .15rem; }
.article-outro p {
  font-size: .98rem;
  line-height: 1.9;
  color: var(--c-text);
  font-weight: 500;
}
.article-cta-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .9rem;
  padding: 1.1rem 1.4rem;
  background: var(--c-deep);
  border-radius: var(--radius);
  margin-bottom: .5rem;
}
.article-cta-inline p { color: #dceef8; font-weight: 600; margin-right: auto; font-size: .98rem; }

/* 侧栏 */
.article-aside { display: flex; flex-direction: column; gap: 1.4rem; position: sticky; top: 6rem; }
.aside-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  box-shadow: var(--shadow-sm);
}
.aside-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: .7rem;
  border-bottom: 2px solid var(--c-accent);
  display: inline-block;
}
.aside-dark {
  background: var(--c-deep);
  border: none;
  color: #dceef8;
}
.aside-dark h3 { color: #fff; border-bottom-color: var(--c-accent); }
.aside-dark p { font-size: .9rem; line-height: 1.8; color: #a8c7da; margin-bottom: 1.1rem; }
.aside-card .btn { width: 100%; justify-content: center; }
.rel-list { display: flex; flex-direction: column; }
.rel-item {
  display: block;
  padding: .8rem 0;
  border-bottom: 1px dashed var(--c-line);
}
.rel-item:last-child { border-bottom: none; }
.rel-item .tag { font-size: .72rem; padding: .22rem .6rem; margin-bottom: .4rem; display: inline-block; }
.rel-item h3 {
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-text);
  margin: 0;
  padding: 0;
  border: none;
  transition: color .2s;
}
.rel-item:hover h3 { color: var(--c-accent); }

@media (max-width: 900px) {
  .article-wrap { grid-template-columns: 1fr; }
  .article-aside { position: static; }
}