/* ==========================================================================
   企业官网通用样式表
   品牌主题：深墨蓝 + 品牌金
   适用：展示型 / 营销型 企业官网
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --ink: #14170f;
  --navy: #1f2418;
  --navy-2: #2a3122;
  --brand: #ee7f1d;
  --brand-light: #f79a33;
  --brand-soft: #fdf0e2;
  --gold: #f0a43c;
  --gold-soft: #fdf3e0;

  --text: #1c1f18;
  --text-2: #4d5245;
  --muted: #83887a;
  --line: #e7e5dd;
  --bg: #ffffff;
  --bg-soft: #f7f6f2;

  --radius-s: 6px;
  --radius: 12px;
  --radius-l: 20px;

  --shadow-s: 0 2px 8px rgba(16, 30, 60, 0.06);
  --shadow: 0 8px 28px rgba(16, 30, 60, 0.08);
  --shadow-l: 0 20px 50px rgba(16, 30, 60, 0.12);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 76px;

  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
    Helvetica, Arial, system-ui, sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 2. 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(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1,
h2,
h3,
h4 {
  margin: 0 0 16px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(30px, 4.4vw, 54px);
}
h2 {
  font-size: clamp(24px, 2.8vw, 36px);
}
h3 {
  font-size: clamp(18px, 1.6vw, 22px);
}

p {
  margin: 0 0 16px;
  color: var(--text-2);
}

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

/* ---------- 3. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

.section--dark {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
}

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

.section--tight {
  padding: 72px 0;
}

.grid {
  display: grid;
  gap: 24px;
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.text-center {
  text-align: center;
}

/* ---------- 4. 区块标题 ---------- */
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head--left {
  margin-left: 0;
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}

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

.section-head p {
  font-size: 17px;
  color: var(--muted);
  margin: 0;
}

.section-head--left p {
  margin: 0;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.28s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(238, 127, 29, 0.28);
}
.btn-primary:hover {
  background: var(--brand-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(238, 127, 29, 0.35);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}
.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: #2b2208;
}
.btn-gold:hover {
  background: #d8ba74;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 17px 38px;
  font-size: 16px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--brand);
  transition: gap 0.25s var(--ease);
}
.link-arrow:hover {
  gap: 12px;
}

/* ---------- 6. 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-solid,
.site-header.is-static {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  transition: color 0.35s var(--ease);
}

.logo-mark {
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
}

.logo-img {
  height: 43px;
  width: 44px;
  object-fit: cover;
  object-position: 50% 0;
  border-radius: 9px;
  flex: none;
}

.f-logo-badge {
  display: inline-flex;
  background: #fff;
  border-radius: 9px;
  padding: 4px 5px;
}

.f-logo-badge img {
  width: 34px;
  height: 34px;
  object-fit: cover;
  object-position: 50% 0;
  display: block;
}

.is-solid .logo,
.is-static .logo {
  color: var(--ink);
}

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

.nav a {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.is-solid .nav a,
.is-static .nav a {
  color: var(--text-2);
}

.nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.is-solid .nav a:hover,
.is-static .nav a:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav a.is-active {
  color: #fff;
  font-weight: 500;
}

.is-solid .nav a.is-active,
.is-static .nav a.is-active {
  color: var(--brand);
  font-weight: 500;
}

.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
  transform: translateX(-50%);
}

.is-solid .nav a.is-active::after,
.is-static .nav a.is-active::after {
  background: var(--brand);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-tel {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  transition: color 0.35s var(--ease);
}

.is-solid .header-tel,
.is-static .header-tel {
  color: var(--ink);
}

.header-tel span.ico {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.14);
}

.is-solid .header-tel span.ico,
.is-static .header-tel span.ico {
  background: var(--brand-soft);
  color: var(--brand);
}

.header-cta .btn {
  padding: 11px 22px;
  font-size: 14px;
}

/* ---------- 语言切换 ---------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease);
}

.lang-switch svg {
  width: 14px;
  height: 14px;
  flex: none;
  opacity: 0.75;
}

.lang-switch:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--brand-soft);
}

.lang-switch:hover svg {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}

.is-solid .nav-toggle,
.is-static .nav-toggle {
  border-color: var(--line);
}

.nav-toggle i {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  position: relative;
  transition: background 0.3s var(--ease);
}

.nav-toggle i::before,
.nav-toggle i::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: inherit;
  border-radius: 2px;
}

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

.is-solid .nav-toggle i,
.is-static .nav-toggle i {
  background: var(--ink);
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
  background: radial-gradient(120% 90% at 78% 12%, #3f4433 0%, #23271b 45%, #111309 100%);
  overflow: hidden;
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(80% 70% at 60% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 70% at 60% 30%, #000 30%, transparent 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.hero-glow.g1 {
  width: 520px;
  height: 520px;
  right: -80px;
  top: -100px;
  background: rgba(238, 127, 29, 0.3);
}

.hero-glow.g2 {
  width: 380px;
  height: 380px;
  left: -120px;
  bottom: -140px;
  background: rgba(240, 164, 60, 0.18);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
}

.hero-badge b {
  color: var(--gold);
  font-weight: 600;
}

.hero h1 {
  color: #fff;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero-lead {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
  max-width: 620px;
  margin-bottom: 40px;
}

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

.hero-stats {
  position: relative;
  z-index: 2;
  margin-top: 84px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.hero-stat .num {
  font-family: var(--font-en);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-stat .num small {
  font-size: 0.5em;
  font-weight: 600;
  color: var(--gold);
  margin-left: 4px;
}

.hero-stat .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

.hero-inner {
  position: relative;
}

.hero-visual {
  position: absolute;
  left: calc(100% + 56px);
  top: 46%;
  transform: translateY(-50%);
  width: 320px;
  pointer-events: none;
}

/* 电子标牌样机：深色边框 + 屏幕画面 */
.hero-visual .device {
  border-radius: 18px;
  padding: 10px;
  background: linear-gradient(160deg, #262a20 0%, #14170f 100%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow:
    0 34px 70px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  transform: none;
}

.hero-visual .device img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 9px;
}

@media (max-width: 1180px) {
  .hero-visual {
    width: 250px;
    left: calc(100% + 28px);
  }
}

@media (max-width: 1120px) {
  .hero-visual {
    display: none;
  }
}

/* ---------- 8. 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 36px 32px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  margin-bottom: 0;
  font-size: 15px;
}

.icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 24px;
}

.icon-box svg {
  width: 26px;
  height: 26px;
}

.card--gold .icon-box {
  background: var(--gold-soft);
  color: #a06a1c;
}

/* 业务卡片（带序号与大编号） */
.svc-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 40px 34px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.svc-card .svc-no {
  position: absolute;
  top: 22px;
  right: 26px;
  font-family: var(--font-en);
  font-size: 44px;
  font-weight: 700;
  color: var(--bg-soft);
  line-height: 1;
  transition: color 0.35s var(--ease);
}

.svc-card:hover .svc-no {
  color: var(--brand-soft);
}

.svc-card h3 {
  position: relative;
  margin-bottom: 14px;
}

.svc-card p {
  position: relative;
  font-size: 15px;
  margin-bottom: 20px;
}

.svc-card ul {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.svc-card ul li {
  font-size: 13px;
  color: var(--text-2);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 5px 13px;
}

/* ---------- 9. 图文分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.split--reverse .split-media {
  order: 2;
}

.split-body h2 {
  margin-bottom: 20px;
}

.split-body .lead {
  font-size: 17px;
  color: var(--text-2);
  margin-bottom: 28px;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--text-2);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-soft);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  width: 8px;
  height: 5px;
  border-left: 1.5px solid var(--brand);
  border-bottom: 1.5px solid var(--brand);
  transform: rotate(-45deg);
}

/* 白底图文载体（品牌页、证照等）：去掉深色占位底纹 */
.media-frame--white {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.media-frame--white::before {
  display: none;
}

/* 图片占位组件：替换为企业实拍图时，把 <div class="media-frame"> 换成 <img> */
.media-frame {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: radial-gradient(120% 120% at 20% 15%, #4a4230 0%, #26291c 55%, #111309 100%);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-l);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

.media-frame .ph-tip {
  position: relative;
  z-index: 2;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 10px 18px;
}

.media-frame--ratio-wide {
  aspect-ratio: 16 / 9;
}

.media-badge {
  position: absolute;
  z-index: 3;
  left: 26px;
  bottom: 26px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 14px;
  padding: 16px 22px;
  box-shadow: var(--shadow);
}

.media-badge .n {
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.1;
}

.media-badge .t {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 10. 优势列表（横向） ---------- */
.adv-item {
  display: flex;
  gap: 18px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.section--dark .adv-item {
  border-top-color: rgba(255, 255, 255, 0.12);
}

.adv-item .ico {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
}

.section--dark .adv-item .ico {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gold);
}

.adv-item h4 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}

.adv-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.section--dark .adv-item p {
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- 11. 案例 ---------- */
.case-card {
  position: relative;
  display: block;
  border-radius: var(--radius-l);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(150deg, #2e3323 0%, #14170e 100%);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-l);
}

.case-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 40px 40px;
}

.case-card .case-body {
  position: absolute;
  inset: auto 0 0 0;
  padding: 30px 28px;
  background: linear-gradient(to top, rgba(6, 14, 26, 0.92), rgba(6, 14, 26, 0));
  color: #fff;
}

.case-card .case-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid rgba(201, 169, 97, 0.45);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 12px;
}

.case-card h3 {
  color: #fff;
  font-size: 19px;
  margin-bottom: 6px;
}

.case-card .case-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ---------- 12. 新闻 ---------- */
.news-card {
  display: flex;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: all 0.3s var(--ease);
}

.news-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.news-date {
  flex: none;
  width: 84px;
  text-align: center;
  border-right: 1px solid var(--line);
  padding-right: 24px;
}

.news-date .d {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.1;
}

.news-date .m {
  font-size: 13px;
  color: var(--muted);
}

.news-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  transition: color 0.25s var(--ease);
}

.news-card:hover h3 {
  color: var(--brand);
}

.news-card p {
  font-size: 14px;
  margin: 0;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 13. CTA 区块 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  padding: 72px 64px;
  background: radial-gradient(120% 180% at 85% 20%, #3f4433 0%, #23271b 45%, #111309 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
}

.cta-band > * {
  position: relative;
  z-index: 2;
}

.cta-band h2 {
  color: #fff;
  margin-bottom: 12px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
  max-width: 520px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- 14. 页面 banner ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 96px) 0 88px;
  background: radial-gradient(120% 130% at 80% 10%, #3f4433 0%, #23271b 45%, #111309 100%);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: #fff;
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 660px;
  font-size: 17px;
  margin: 0;
}

.crumb {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 20px;
}

.crumb a:hover {
  color: var(--gold);
}

.crumb span {
  margin: 0 8px;
  opacity: 0.5;
}

/* ---------- 15. 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}

.tl-item {
  position: relative;
  padding-bottom: 44px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: -40px;
  top: 8px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.tl-year {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.tl-item h4 {
  font-size: 18px;
  margin: 0 0 8px;
}

.tl-item p {
  margin: 0;
  font-size: 15px;
}

/* ---------- 16. 资质网格 ---------- */
.honor-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all 0.3s var(--ease);
}

.honor-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: transparent;
}

.honor-item .h-ico {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--gold-soft);
  color: #a06a1c;
}

.honor-item h4 {
  font-size: 16px;
  margin: 0 0 6px;
}

.honor-item p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* ---------- 17. 表单与联系 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 64px;
  align-items: start;
}

.contact-list li {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list .ico {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
}

.contact-list .k {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 2px;
}

.contact-list .v {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  word-break: break-all;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 44px 40px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field {
  margin-bottom: 22px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}

.field label .req {
  color: #d64545;
  margin-left: 2px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid transparent;
  border-radius: 10px;
  outline: none;
  transition: all 0.25s var(--ease);
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  background: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #a8b1bf;
}

.form-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.form-msg {
  margin-top: 18px;
  font-size: 14px;
  color: #1c7a4a;
  background: #e9f7ef;
  border-radius: 10px;
  padding: 12px 16px;
  display: none;
}

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

/* ---------- 17. 地图 ---------- */
.map-embed {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  height: 420px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #f4f2ec 0%, #e8e6dd 100%);
}

/* 高德容器：必须有确定高度，否则地图不渲染 */
.map-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.map-fallback {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  padding: 24px;
}

.map-embed.is-loaded .map-fallback {
  display: none;
}

.map-fallback .grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(238, 127, 29, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238, 127, 29, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-card {
  position: relative;
  z-index: 2;
  max-width: 520px;
  text-align: center;
  padding: 34px 36px 30px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(6px);
  box-shadow: 0 22px 46px rgba(20, 23, 15, 0.1);
}

.map-pin {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
}

.map-pin svg {
  width: 26px;
  height: 26px;
}

.map-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.map-card p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0 0 22px;
  line-height: 1.7;
}

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

.map-tip {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 3;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  color: #fff;
  background: rgba(20, 23, 15, 0.72);
  backdrop-filter: blur(4px);
}

@media (max-width: 560px) {
  .map-embed {
    height: 360px;
  }
  .map-card {
    padding: 26px 22px 24px;
  }
}

/* ---------- 18. 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.62);
  padding: 76px 0 0;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 56px;
}

.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 20px;
}

.site-footer .f-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.site-footer .f-desc {
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  margin-bottom: 22px;
  max-width: 340px;
}

.f-links li {
  margin-bottom: 12px;
}

.f-links a {
  transition: color 0.25s var(--ease);
}

.f-links a:hover {
  color: var(--gold);
}

.f-contact li {
  margin-bottom: 14px;
  line-height: 1.7;
}

.f-contact b {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.f-tel {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  display: block;
  margin-bottom: 6px;
}

.f-qr {
  width: 108px;
  height: 108px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 4px;
  margin-top: 18px;
  overflow: hidden;
}

.f-qr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.f-qr-cap {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a:hover {
  color: var(--gold);
}

/* ---------- 19. 产品设备示意与规格 ---------- */
.device-art {
  position: relative;
  display: grid;
  place-items: center;
  padding: 52px 40px;
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, #f8f7f2 0%, #f0eee5 100%);
  border: 1px solid var(--line);
  overflow: hidden;
}

.device-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(238, 127, 29, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238, 127, 29, 0.055) 1px, transparent 1px);
  background-size: 32px 32px;
}

.device-art > * {
  position: relative;
  z-index: 2;
}

.device-art svg {
  width: 100%;
  max-width: 250px;
  height: auto;
}

.device-art--tall svg {
  max-width: 190px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table th,
.spec-table td {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.spec-table th {
  color: var(--muted);
  font-weight: 400;
  width: 38%;
}

.spec-table td {
  color: var(--text);
  font-weight: 500;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-note {
  font-size: 12.5px;
  color: var(--muted);
  margin: 8px 0 0;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.chip-row span {
  font-size: 13px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 5px 14px;
}


.brand-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 48px 56px;
}

.brand-band h2 {
  margin-bottom: 10px;
}

.brand-band p {
  margin: 0;
}

.brand-band .brand-logo {
  height: 104px;
  width: auto;
}

.f-brand {
  margin: 2px 0 20px;
}

.f-brand img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 6px;
}

@media (max-width: 640px) {
  .brand-band {
    padding: 36px 28px;
  }
  .brand-band .brand-logo {
    height: 72px;
  }
}

.mini-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

/* 邮箱链接 */
.f-contact a,
.contact-list .v a {
  color: inherit;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}

.f-contact a:hover,
.contact-list .v a:hover {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

/* ---------- 产品实拍与视频 ---------- */
.card-shot {
  height: 220px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 26px;
  background: #fff;
  border: 1px solid var(--line);
}

.card-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 完整显示（不裁切）：用于方案图/图表类素材 */
.card-shot--contain img {
  object-fit: contain;
  background: #fff;
}

.shot {
  position: relative;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.gallery-grid .shot {
  aspect-ratio: 4 / 5;
}

.gallery-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px 16px 12px;
  background: linear-gradient(transparent, rgba(15, 17, 10, 0.72));
  color: #fff;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.gallery-cap b {
  font-family: var(--font-en);
  font-weight: 600;
}

.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.video-shell {
  position: relative;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: #101208;
  box-shadow: 0 18px 40px rgba(15, 17, 10, 0.18);
}

.video-shell video {
  width: 100%;
  display: block;
}

.video-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(20, 23, 15, 0.72);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.size-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 26px;
}

.size-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  color: var(--text-2);
  background: #fff;
  font-family: var(--font-en);
  font-weight: 600;
}

@media (max-width: 960px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .gallery-grid {
    gap: 12px;
  }
}

/* 产品方向示意（无实拍图时的 SVG 插画容器） */
.card-art {
  height: 220px;
  border-radius: 12px;
  margin-bottom: 26px;
  background: linear-gradient(140deg, #f8f7f2 0%, #efece3 100%);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  padding: 20px;
}

.card-art svg {
  width: 100%;
  height: 100%;
}

/* 桌牌双图叠放 */
.media-duo {
  display: grid;
  gap: 16px;
}

.media-duo .gallery-cap {
  padding: 22px 14px 10px;
}

/* 三列图廊（立式海报） */
.gallery-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.gallery-grid--3 .shot {
  aspect-ratio: 3 / 4;
}

/* 四列图廊 */
.gallery-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.gallery-grid--4 .shot {
  aspect-ratio: 3 / 4;
}

.module-stack {
  display: grid;
  gap: 16px;
}

.module-stack .module-shot img {
  aspect-ratio: 16 / 7;
}

/* ODM：模组到整机链条展示 */
.module-band {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin: 44px 0 52px;
}

.module-shot {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.module-shot img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #fff;
  display: block;
}

.module-shot figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.05);
}

.module-arrow {
  display: grid;
  place-items: center;
  gap: 6px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.module-arrow svg {
  width: 30px;
  height: 30px;
}

@media (max-width: 900px) {
  .gallery-grid--3,
  .gallery-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .module-band {
    grid-template-columns: 1fr;
  }
  .module-arrow svg {
    transform: rotate(90deg);
  }
}

@media (max-width: 560px) {
  .gallery-grid--3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .gallery-grid--4 {
    gap: 12px;
  }
}

/* 品牌定位语与屏体供应品牌条 */
.brand-line {
  color: var(--brand);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.03em;
  margin: -8px 0 22px;
}

.partner-band {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 30px;
  margin-top: 30px;
  padding: 20px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-soft);
}

.partner-band .p-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.partner-band img {
  height: 42px;
  width: auto;
}

/* ---------- 20. 滚动动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

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

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

/* ---------- 20. 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  border: none;
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s var(--ease);
  z-index: 90;
  box-shadow: var(--shadow);
}

.to-top.is-show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--brand);
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .split {
    gap: 48px;
  }
}

/* 中等宽度：语言切换加入后收紧导航间距，避免拥挤 */
@media (max-width: 1080px) and (min-width: 901px) {
  .nav a {
    padding: 8px 11px;
    font-size: 14px;
  }
  .header-cta {
    gap: 10px;
  }
  .header-cta .btn {
    padding: 10px 16px;
    font-size: 13px;
  }
  .lang-switch {
    padding: 8px 11px;
    font-size: 12px;
  }
}

@media (max-width: 900px) {
  .nav,
  .header-cta .btn {
    display: none;
  }
  .nav-toggle {
    display: grid;
  }
  .header-cta {
    gap: 10px;
  }
  .lang-switch {
    padding: 8px 13px;
    font-size: 12px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .split--reverse .split-media {
    order: 0;
  }
  .section {
    padding: 72px 0;
  }
  .cta-band {
    padding: 56px 36px;
  }
  .form-card {
    padding: 34px 28px;
  }

  /* 移动端抽屉菜单 */
  .nav.is-open {
    display: flex;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    padding: 12px 16px 24px;
    box-shadow: var(--shadow);
    border-top: 1px solid var(--line);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open a {
    color: var(--text);
    padding: 14px 12px;
    border-radius: 10px;
    font-size: 16px;
  }
  .nav.is-open a.is-active {
    color: var(--brand);
  }
  .nav.is-open a.is-active::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 56px 0;
  }
  .card,
  .svc-card {
    padding: 28px 24px;
  }
  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 40px) 0 56px;
  }
  .hero-stats {
    margin-top: 48px;
    padding-top: 32px;
    gap: 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .cta-band {
    padding: 40px 24px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .header-tel span.num {
    display: none;
  }
  .page-hero {
    padding: calc(var(--header-h) + 56px) 0 56px;
  }
}

/* ---------- 资料下载 ---------- */
.dl-list { display: grid; gap: 14px; }
.dl-item {
  display: flex; align-items: center; gap: 18px;
  background: #fff; border: 1px solid rgba(20, 23, 15, .08);
  border-radius: 14px; padding: 18px 22px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.dl-item:hover { box-shadow: 0 14px 30px rgba(20, 23, 15, .08); transform: translateY(-2px); }
.dl-ico {
  flex: none; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(238, 127, 29, .12); color: var(--brand);
}
.dl-body { flex: 1; min-width: 0; }
.dl-body h3 { margin: 0 0 4px; font-size: 16px; }
.dl-body p { margin: 0; color: rgba(20, 23, 15, .6); font-size: 14px; }
.dl-meta { flex: none; display: flex; align-items: center; gap: 16px; }
.dl-meta .dl-info { font-size: 12.5px; color: rgba(20, 23, 15, .45); text-align: right; line-height: 1.5; }
@media (max-width: 640px) {
  .dl-item { flex-wrap: wrap; }
  .dl-meta { width: 100%; justify-content: space-between; }
  .dl-meta .dl-info { text-align: left; }
}