/* ==========================================================================
   Habiglad 官网样式
   设计基调：仅用青 / 白 / 灰三色（依《HABIGLAD 视觉识别系统 B》）。
   青 #7EAAAF 为品牌色，白为底色，灰为层级——不加任何暖色点缀。
   作者：WorkBuddy   版本：3.0（三色体系 · 大气清新）
   ========================================================================== */

:root {
  /* ---- 青（品牌色及其深浅） ---- */
  --teal-900: #1a2124; /* 极深，仅用于深色区与页脚 */
  --teal-800: #2e4348;
  --teal-700: #3e6a70; /* 白底上的青，文字/按钮，对比 6.0:1 */
  --teal-600: #4a7a81;
  --teal-500: #7eaaaf; /* VI 品牌青原色，色块与描边 */
  --teal-200: #b7cfd2;
  --teal-100: #dfeaec;
  --teal-50: #f0f4f5;

  /* ---- 灰（文字与层级） ---- */
  --ink-900: #22292d;
  --ink-700: #3f4a52;
  --ink-500: #6a777e;
  --ink-300: #98a4a9;

  --line: #e4e8e9;
  --line-strong: #d3d9db;
  --line-dark: rgba(255, 255, 255, 0.18);
  --bg: #ffffff;
  --bg-soft: #f4f6f6;

  /* ---- 蜜桃粉：仅作极小面积点缀（品牌 logo 的粉色） ---- */
  --accent-600: #c97f63;
  --accent-500: #de9c84;
  --accent-300: #e3c6ba;
  --accent-100: #faeee8;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(34, 41, 45, 0.05);
  --shadow: 0 8px 30px rgba(34, 41, 45, 0.07);
  --shadow-lg: 0 24px 60px rgba(26, 33, 36, 0.12);

  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --wrap: 1180px;
  --pad: 24px;
}

/* ---------- 基础重置 ---------- */

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink-900);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 50px;
}

h2 {
  font-size: 38px;
}

h3 {
  font-size: 20px;
}

p {
  margin: 0;
}

/* hidden 属性必须生效，否则产品区两个 tab 的卡片会同时显示 */
[hidden] {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

/* ---------- 布局工具 ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section {
  padding: 112px 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section--dark {
  background: var(--teal-900);
  color: var(--teal-100);
}

.section--dark h2,
.section--dark h3 {
  color: #ffffff;
}

.section-head {
  max-width: 780px;
  margin-bottom: 64px;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-600);
  margin-bottom: 16px;
}

.section--dark .eyebrow {
  color: var(--teal-500);
}

.section-head p {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-500);
}

.section--dark .section-head p {
  color: var(--teal-200);
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    background-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--teal-700);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--teal-800);
  box-shadow: var(--shadow);
}

/* 深色/青色底上的白按钮：只用白与深灰，不引第三色 */
.btn--light {
  background: #ffffff;
  color: var(--ink-900);
  box-shadow: var(--shadow-sm);
}

.btn--light:hover {
  background: var(--teal-50);
  color: var(--teal-800);
  box-shadow: var(--shadow);
}

.btn--ghost {
  border: 1px solid var(--line);
  color: var(--ink-900);
  background: #ffffff;
}

.btn--ghost:hover {
  border-color: var(--teal-500);
  color: var(--teal-700);
}

.btn--onDark {
  border: 1px solid var(--line-dark);
  color: #ffffff;
}

.btn--onDark:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 16px;
}

/* ---------- 顶部信息条 ---------- */

.topbar {
  background: var(--teal-900);
  color: var(--teal-200);
  font-size: 13px;
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 40px;
}

.topbar ul {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar a:hover {
  color: #ffffff;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-left svg {
  flex: none;
  opacity: 0.7;
}

/* ---------- 导航 ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}

.header.is-stuck {
  box-shadow: 0 4px 20px rgba(16, 26, 23, 0.06);
}

.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--teal-700);
  display: grid;
  place-items: center;
  flex: none;
}

.logo-mark svg {
  width: 21px;
  height: 21px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text b {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.logo-text span {
  font-size: 11px;
  color: var(--ink-500);
  letter-spacing: 0.06em;
}

.logo-img {
  display: block;
  height: 38px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-700);
  transition: background-color 0.16s ease, color 0.16s ease;
}

.nav a:hover {
  background: var(--teal-50);
  color: var(--teal-700);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
  place-items: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink-900);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink-900);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  /* 以白为主：白底 + 极淡青雾，青只作点缀，不做大面积实心色块 */
  background: #ffffff;
  color: var(--ink-700);
  overflow: hidden;
  padding: 120px 0 112px;
  border-bottom: 1px solid var(--line);
}

/* 右上角一层极淡青雾，给白色留白一点呼吸感 */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 58% 72% at 86% 12%,
    rgba(126, 170, 175, 0.13) 0%,
    rgba(126, 170, 175, 0) 68%
  );
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 72px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink-700);
  margin-bottom: 28px;
}

.hero-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-500); /* 蜜桃粉：全站唯一的小点缀之一 */
  flex: none;
}

.hero-jp {
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
  margin: -14px 0 28px;
}

.hero h1 {
  color: var(--ink-900);
  font-size: 58px;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.hero h1 em {
  font-style: normal;
  color: var(--teal-700); /* 强调用品牌青的深调 */
}

.hero-sub {
  margin-top: 26px;
  font-size: 18px;
  line-height: 1.9;
  color: var(--ink-500);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.hero-tags span {
  font-size: 13px;
  color: var(--ink-700);
  padding: 6px 13px;
  border-radius: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

/* Hero 右侧双品牌视觉 */

.hero-visual {
  position: relative;
  height: 440px;
}

.brand-card {
  position: absolute;
  width: 244px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(34, 41, 45, 0.09);
}

.brand-card--a {
  top: 8px;
  left: 0;
}

/* 两张卡同色同质，只靠位置错落——维持青白灰三色 */
.brand-card--b {
  bottom: 8px;
  right: 0;
}

.brand-card .ico {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--teal-100);
  margin-bottom: 16px;
}

.brand-card--b .ico {
  background: var(--teal-50);
}

.brand-card .ico svg {
  width: 26px;
  height: 26px;
}

.brand-card b {
  display: block;
  font-size: 17px;
  color: var(--ink-900);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.brand-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

.brand-card-logo {
  display: block;
  height: 26px;
  width: auto;
  margin-bottom: 14px;
}

.hero-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  margin: -150px 0 0 -150px;
  border-radius: 50%;
  border: 1px dashed rgba(126, 170, 175, 0.45);
  animation: spin 46s linear infinite;
}

.hero-ring::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--accent-500); /* 蜜桃粉点缀 */
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-ring {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- 数据条 ---------- */

.stats {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.stat {
  background: #ffffff;
  padding: 34px 24px;
  text-align: center;
}

.stat b {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--teal-700);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat b small {
  font-size: 17px;
  font-weight: 600;
  margin-left: 2px;
}

.stat span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-500);
}

/* ---------- 双品牌 ---------- */

.brand-split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.brand-panel {
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #ffffff;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.brand-panel:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal-200);
}

/* HACSO 面板：全站唯一带蜜桃粉点缀的地方（对应 logo 粉色） */
.brand-panel--b:hover {
  border-color: var(--accent-300);
}

.brand-panel .ico {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--teal-50);
  margin-bottom: 22px;
}

.brand-panel--b .ico {
  background: var(--accent-100);
}

.brand-panel .ico svg {
  width: 30px;
  height: 30px;
}

.brand-panel h3 {
  font-size: 24px;
  letter-spacing: 0.01em;
}

.brand-panel .sub {
  font-size: 14px;
  color: var(--ink-500);
  margin-top: 4px;
}

.brand-panel p {
  margin-top: 16px;
  font-size: 15px;
}

.brand-panel ul {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.brand-panel ul li {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--bg-soft);
  color: var(--ink-700);
}

.brand-panel .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--teal-700);
}

.brand-panel--b .link {
  color: var(--accent-600);
}

.brand-panel .link:hover {
  gap: 11px;
}

.brand-panel .link {
  transition: gap 0.18s ease;
}

/* ---------- 产品 ---------- */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  background: var(--bg-soft);
  border-radius: 999px;
  width: fit-content;
  margin: 0 auto 46px;
}

.tab {
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-500);
  transition: all 0.18s ease;
}

.tab.is-active {
  background: #ffffff;
  color: var(--teal-700);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.prod {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #ffffff;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.prod:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--teal-200);
}

.prod .thumb {
  height: 132px;
  border-radius: 10px;
  background: linear-gradient(150deg, #ffffff, var(--teal-50));
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  overflow: hidden;
}

.prod:hover .thumb svg {
  transform: scale(1.08);
}

.prod .thumb svg {
  width: 62px;
  height: 62px;
  transition: transform 0.28s ease;
}

.prod h3 {
  font-size: 17px;
}

.prod .en {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-top: 2px;
}

.prod p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-500);
}

.prod[hidden] {
  display: none;
}

/* ---------- 制造实力 ---------- */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.cap {
  padding-top: 26px;
  border-top: 2px solid var(--line);
  transition: border-color 0.2s ease;
}

.cap:hover {
  border-color: var(--teal-500);
}

.cap .num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--teal-600);
}

.cap h3 {
  margin-top: 12px;
  font-size: 19px;
}

.cap p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-500);
}

/* ---------- 认证 ---------- */

.certs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.cert {
  padding: 22px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.045);
  text-align: center;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.cert:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

.cert b {
  display: block;
  font-size: 15px;
  color: #ffffff;
  letter-spacing: 0.03em;
}

.cert span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--teal-200);
}

/* ---------- 客户 ---------- */

.clients {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.clients span {
  padding: 12px 26px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-700);
  letter-spacing: 0.02em;
  background: #ffffff;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.clients span:hover {
  border-color: var(--teal-600);
  color: var(--teal-700);
}

.client--primary,
.client--primary:hover {
  background: var(--teal-700);
  border-color: var(--teal-700);
  color: #ffffff;
}

/* ---------- 关于 ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-list {
  margin-top: 30px;
  display: grid;
  gap: 18px;
}

.about-list li {
  display: flex;
  gap: 14px;
  font-size: 15px;
  line-height: 1.75;
}

.about-list svg {
  flex: none;
  width: 21px;
  height: 21px;
  margin-top: 3px;
}

.about-list b {
  color: var(--ink-900);
  font-weight: 600;
}

/* 引言卡改为浅色，减少深色块面积，让白色占主导 */
.quote {
  padding: 42px;
  border-radius: var(--radius-lg);
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  color: var(--ink-700);
}

.quote p {
  font-size: 21px;
  line-height: 1.7;
  font-weight: 500;
  color: var(--ink-900);
}

.quote .who {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--teal-100);
  font-size: 14px;
  color: var(--ink-500);
}

.quote .who b {
  display: block;
  color: var(--teal-700);
  font-size: 16px;
  margin-bottom: 2px;
}

/* ---------- 联系 ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.contact-info li {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-info .ico {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--teal-50);
  display: grid;
  place-items: center;
  flex: none;
}

.contact-info .ico svg {
  width: 19px;
  height: 19px;
}

.contact-info b {
  display: block;
  font-size: 13px;
  color: var(--ink-500);
  font-weight: 400;
}

.contact-info span {
  font-size: 16px;
  color: var(--ink-900);
  font-weight: 500;
}

/* 联系区右侧的直接联系卡（替代原来的询盘表单） */

.contact-cta {
  padding: 44px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, #333d41, #1a2124);
  color: #ffffff;
}

.contact-cta .eyebrow {
  color: var(--teal-500);
  margin-bottom: 10px;
}

.contact-cta h3 {
  color: #ffffff;
  font-size: 27px;
  line-height: 1.35;
}

.contact-cta p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--teal-200);
}

.contact-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.contact-cta-meta {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
  display: grid;
  gap: 13px;
}

.contact-cta-meta li {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 14px;
  color: var(--teal-200);
}

.contact-cta-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-500);
  flex: none;
}

form.inquiry {
  padding: 38px;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-700);
  margin-bottom: 7px;
}

.field label i {
  color: var(--teal-600);
  font-style: normal;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-900);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.field textarea {
  min-height: 108px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal-600);
  box-shadow: 0 0 0 3px rgba(19, 121, 94, 0.12);
}

.field input:invalid:not(:placeholder-shown) {
  border-color: #e24b4a;
}

.form-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-500);
}

.form-msg {
  display: none;
  margin-top: 16px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--teal-100);
  color: var(--teal-800);
}

.form-msg.is-on {
  display: block;
}

/* ---------- 页脚 ---------- */

.footer {
  background: var(--teal-900);
  color: var(--teal-200);
  padding: 68px 0 0;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer .logo-text b {
  color: #ffffff;
}

.footer .logo-text span {
  color: var(--teal-200);
}

.footer .logo-mark {
  background: rgba(255, 255, 255, 0.12);
}

.footer-about {
  margin-top: 20px;
  max-width: 320px;
  line-height: 1.8;
  color: var(--teal-200);
}

.footer h4 {
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 18px;
}

.footer li {
  margin-bottom: 11px;
}

.footer a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 24px 0 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
  color: rgba(188, 221, 209, 0.75);
}

.footer-bottom a:hover {
  color: #ffffff;
}

.beian {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- 滚动入场 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  h1 {
    font-size: 40px;
  }
  .hero h1 {
    font-size: 42px;
  }
  h2 {
    font-size: 29px;
  }
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero-visual {
    height: 380px;
    max-width: 560px;
  }
  .certs {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (max-width: 860px) {
  .section {
    padding: 68px 0;
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 16px 20px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav.is-open {
    display: flex;
  }
  .nav a {
    padding: 13px 14px;
  }
  .nav-toggle {
    display: grid;
  }
  .header-cta .btn {
    display: none;
  }
  .topbar-left span {
    display: none;
  }
  .stats .wrap {
    grid-template-columns: repeat(2, 1fr);
  }
  .brand-split,
  .grid-3,
  .cap-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .brand-split {
    gap: 20px;
  }
  .about-grid,
  .contact-grid {
    gap: 40px;
  }
  .brand-panel,
  .contact-cta,
  form.inquiry {
    padding: 28px;
  }
  .quote {
    padding: 30px;
  }
  .quote p {
    font-size: 18px;
  }
  .certs {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-visual {
    display: none;
  }
  .hero {
    padding: 64px 0 60px;
  }
  .hero h1 {
    font-size: 33px;
  }
  .field-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  :root {
    --pad: 18px;
  }
  .section {
    padding: 56px 0;
  }
  .hero h1 {
    font-size: 29px;
  }
  .stat b {
    font-size: 29px;
  }
  .section-head {
    margin-bottom: 40px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .header,
  .topbar,
  .nav-toggle,
  form.inquiry {
    display: none;
  }
  .hero {
    background: #ffffff;
    color: #000;
  }
  .contact-cta {
    background: #ffffff;
    color: #000;
    border: 1px solid var(--line);
  }
  .contact-cta h3,
  .contact-cta p,
  .contact-cta-meta li {
    color: #000;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}