:root {
  --gold: #f5a623;
  --gold-dark: #de8f13;
  --gold-soft: rgba(245, 166, 35, 0.12);

  --ink: #111315;
  --ink-2: #0b0c0e;
  --ink-3: #16181c;
  --line-dark: #23262b;

  --bg: #ffffff;
  --bg-soft: #f7f8f9;
  --line: #e7e9ec;

  --text: #14161a;
  --muted: #6b7280;
  --muted-2: #9aa0a9;

  --container: 1360px;
  --radius: 6px;
  --radius-sm: 4px;

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

  --shadow-card: 0 18px 44px -26px rgba(17, 19, 21, 0.4);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --line-hover: #e5e7eb;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-ui: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-hover: 0.3s;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-locked {
  overflow: hidden;
}

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

[hidden] {
  display: none !important;
}

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

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

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--gold);
  color: #000;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section[id] {
  scroll-margin-top: 96px;
}

/* ---------- 通用按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn--gold {
  background: var(--gold);
  color: #000;
  box-shadow: 0 10px 24px -14px rgba(245, 166, 35, 0.9);
}

.btn--gold:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
}

.btn--dark {
  background: var(--ink);
  color: #fff;
}

.btn--dark:hover {
  background: #000;
  transform: translateY(-1px);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.btn--line {
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
}

.btn--line:hover {
  border-color: var(--text);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

.link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s var(--ease);
}

.link-arrow:hover {
  color: var(--gold-dark);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ---------- 顶部工具条 ---------- */

.topbar {
  background: #121316;
  border-bottom: 1px solid var(--line-dark);
  color: #a0a5ad;
  font-size: 13px;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 40px;
}

.topbar__group {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s var(--ease);
}

.topbar__item:hover {
  color: #fff;
}

.topbar__item svg {
  width: 14px;
  height: 14px;
  color: #7c828b;
  flex: none;
}

.topbar__lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.topbar__lang a {
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.topbar__lang a.is-active {
  color: #fff;
  border-color: var(--gold);
}

.topbar__lang span {
  color: #3a3f47;
}

/* ---------- 主导航 ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px -22px rgba(17, 19, 21, 0.55);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand__logo {
  height: 48px;
  width: auto;
  flex: none;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1;
}

.brand__text strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.brand__text em {
  color: var(--muted-2);
  font-style: normal;
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.brand--drawer .brand__logo {
  height: 36px;
}

.brand--drawer .brand__text strong {
  font-size: 13px;
}

.brand--drawer .brand__text em {
  font-size: 7.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 30px 0;
  color: #33383f;
  transition: color 0.2s var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav__link:hover,
.nav__link.is-active {
  color: #000;
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__caret {
  width: 12px;
  height: 12px;
  opacity: 0.7;
  transition: transform 0.2s var(--ease);
}

.nav__item {
  position: relative;
}

.nav__item:hover .nav__caret {
  transform: rotate(180deg);
}

.subnav {
  position: absolute;
  top: 100%;
  left: -20px;
  min-width: 200px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 24px 50px -28px rgba(17, 19, 21, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease),
    visibility 0.2s;
}

.nav__item:hover .subnav,
.nav__item:focus-within .subnav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.subnav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #4b5158;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.subnav__link:hover {
  background: var(--bg-soft);
  color: #000;
}

.subnav__link span {
  font-size: 11px;
  color: var(--muted-2);
}

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

.burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.burger span {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s var(--ease), background-color 0.2s;
}

.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s var(--ease);
}

.burger span::before {
  top: -6px;
}

.burger span::after {
  top: 6px;
}

/* ---------- 移动端抽屉 ---------- */

.drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  overflow: hidden;
}

.drawer__mask {
  position: absolute;
  inset: 0;
  background: rgba(11, 12, 14, 0.55);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}

.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(84vw, 360px);
  height: 100%;
  padding: 22px 24px 32px;
  background: #fff;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease);
  overflow-y: auto;
}

.drawer.is-open .drawer__mask {
  opacity: 1;
}

.drawer.is-open .drawer__panel {
  transform: translateX(0);
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.drawer__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 20px;
  line-height: 1;
}

.drawer__list {
  padding: 8px 0;
}

.drawer__list a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid #f1f2f4;
  font-size: 15px;
  font-weight: 600;
}

.drawer__sub a {
  padding: 11px 0 11px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.drawer__foot {
  padding-top: 22px;
  font-size: 13px;
  color: var(--muted);
}

.drawer__foot a {
  display: block;
  padding: 5px 0;
  color: var(--text);
  font-weight: 600;
}

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

.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  color: #fff;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-color: #fff;
  background-image: url("../img/hero-banner-2026-white.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(8, 10, 13, 0.9) 0%,
    rgba(8, 10, 13, 0.74) 44%,
    rgba(8, 10, 13, 0.34) 100%
  );
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 56px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 64px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 6px 12px;
  border: 1px solid rgba(245, 166, 35, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(245, 166, 35, 0.12);
  color: #f8c26a;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero__title {
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: #fff;
}

.hero__rule {
  display: block;
  width: 48px;
  height: 4px;
  margin: 22px 0 20px;
  background: var(--gold);
}

.hero__lead {
  max-width: 520px;
  color: #c2c7ce;
  font-size: 16px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero__visual {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.02)
  );
}

.hero__figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #fff;
}

.hero__figure img {
  width: 100%;
  height: clamp(300px, 34vw, 430px);
  object-fit: contain;
  padding: 18px;
  transition: transform 0.6s var(--ease);
}

.hero__visual:hover .hero__figure img {
  transform: scale(1.03);
}

.hero__caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(11, 12, 14, 0.88);
  backdrop-filter: blur(6px);
  font-size: 12px;
  color: #e7e9ec;
}

.hero__caption strong {
  color: #fff;
  font-size: 13px;
}

.hero__caption b {
  color: var(--gold);
}

.hero__tag {
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--gold);
  color: #000;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero--light {
  background: #e8ecf0;
  color: var(--ink);
}

.hero--light .hero__bg {
  background-position: right center;
  background-size: cover;
}

.hero--light .hero__inner {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.68fr);
  padding-top: 96px;
  padding-bottom: 96px;
  min-height: 760px;
}

.hero--light .hero__bg::after {
  background: linear-gradient(
    100deg,
    rgba(248, 250, 252, 0.94) 0%,
    rgba(248, 250, 252, 0.8) 26%,
    rgba(248, 250, 252, 0.34) 46%,
    rgba(248, 250, 252, 0) 62%
  );
}

.hero--light .eyebrow {
  border-color: rgba(191, 120, 24, 0.35);
  background: rgba(245, 166, 35, 0.16);
  color: #8a5a12;
}

.hero--light .hero__title {
  color: #101418;
}

.hero--light .hero__lead {
  color: #4d5561;
}

.hero--light .btn--ghost {
  border-color: rgba(16, 20, 24, 0.22);
  color: #101418;
  background: rgba(255, 255, 255, 0.66);
}

.hero--light .btn--ghost:hover {
  border-color: #101418;
  background: rgba(255, 255, 255, 0.95);
}

.hero--light .hero__visual {
  border-color: rgba(16, 20, 24, 0.08);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 30px 70px -34px rgba(16, 20, 24, 0.42);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero--light .hero__figure {
  box-shadow: 0 10px 30px -22px rgba(16, 20, 24, 0.5);
}

@media (max-width: 992px) {
  .hero--light .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .hero--light {
    background-color: #fff;
  }

  .hero--light .hero__bg {
    background-image: none;
  }

  .hero--light .hero__bg::after {
    background: linear-gradient(
      180deg,
      rgba(248, 250, 252, 0.97) 0%,
      rgba(248, 250, 252, 0.94) 54%,
      rgba(248, 250, 252, 0.34) 84%,
      rgba(248, 250, 252, 0.5) 100%
    );
  }
}

.featurebar {
  position: relative;
  border-top: 1px solid #1f2227;
  background: #0f1013;
}

.featurebar__inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
  padding: 26px 24px;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature__icon {
  flex: none;
  color: var(--gold);
}

.feature__icon svg {
  width: 34px;
  height: 34px;
  stroke-width: 1.5;
}

.feature__title {
  margin-bottom: 4px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.feature__text {
  color: #8d939c;
  font-size: 12.5px;
  line-height: 1.6;
}

/* ---------- 通用区块 ---------- */

.section {
  padding: 88px 0;
}

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

.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.section__title {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.section__sub {
  max-width: 720px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.section--dark .section__head {
  border-color: var(--line-dark);
}

.section--dark .section__title {
  color: #fff;
}

.section--dark .section__sub {
  color: #8d939c;
}

/* ---------- 产品 ---------- */

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.tab {
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: all 0.2s var(--ease);
}

.tab:hover {
  border-color: #cdd2d8;
  color: var(--text);
}

.tab.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.tab em {
  margin-left: 6px;
  font-style: normal;
  font-size: 11px;
  color: var(--muted-2);
}

.tab.is-active em {
  color: rgba(255, 255, 255, 0.6);
}

.products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.pcard {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--bg-soft);
  transition: box-shadow var(--dur-hover) var(--ease-ui),
    border-color var(--dur-hover) var(--ease-ui);
}

.pcard:hover {
  border-color: var(--line-hover);
  box-shadow: var(--shadow-hover);
}

.pcard__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 210px;
  margin-bottom: 20px;
  border: 1px solid #eef0f2;
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}

.pcard__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--dur-hover) var(--ease-ui);
}

.pcard:hover .pcard__media img {
  transform: scale(1.05);
}

.pcard__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 9px;
  border-radius: 3px;
  background: var(--ink);
  color: var(--gold);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.pcard__title {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}

.pcard__en {
  display: block;
  margin-top: 3px;
  color: var(--muted-2);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pcard__specs {
  display: grid;
  gap: 5px;
  margin-bottom: 18px;
  font-size: 12.5px;
  color: var(--muted);
}

.pcard__specs li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.pcard__specs span {
  color: #3d434a;
  font-weight: 600;
}

.pcard__foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #e9ebee;
}

.pcard:hover .link-arrow {
  color: var(--gold-dark);
}

.pcard:hover .link-arrow svg {
  transform: translateX(4px);
}

.products__empty {
  grid-column: 1 / -1;
  padding: 56px 24px;
  border: 1px dashed #d5d9de;
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
  color: var(--muted);
}

.products__empty strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 15px;
}

/* ---------- 数据条 ---------- */

.stats {
  padding: 56px 0;
  background: #121316;
  border-top: 1px solid #202328;
  border-bottom: 1px solid #202328;
  color: #fff;
}

.stats__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.stats__intro {
  flex: 0 0 32%;
}

.stats__intro h2 {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
}

.stats__intro p {
  margin-top: 6px;
  color: #8d939c;
  font-size: 13px;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 40px;
  flex: 1;
}

.stat__num {
  color: var(--gold);
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat__label {
  margin-top: 6px;
  color: #b9bec5;
  font-size: 12.5px;
}

/* ---------- 关于我们 ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.about__media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.about__media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.about__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 12, 14, 0.45), transparent 55%);
}

.about__stamp {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  padding: 12px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(11, 12, 14, 0.7);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.about__body p {
  color: #4b5158;
  font-size: 14.5px;
  line-height: 1.85;
}

.about__body p + p {
  margin-top: 16px;
}

.about__nums {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.about__num strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.about__num span {
  color: var(--muted);
  font-size: 12.5px;
}

/* ---------- 优势 ---------- */

.advs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.adv {
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color var(--dur-hover) var(--ease-ui),
    box-shadow var(--dur-hover) var(--ease-ui);
}

.adv:hover {
  border-color: var(--line-hover);
  box-shadow: var(--shadow-hover);
}

.adv__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
  background: var(--gold-soft);
  color: #b87807;
}

.adv__icon svg {
  width: 26px;
  height: 26px;
  stroke-width: 1.6;
}

.adv__title {
  font-size: 16px;
  font-weight: 800;
}

.adv__en {
  display: block;
  margin: 4px 0 12px;
  color: var(--muted-2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.adv__text {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 应用行业 ---------- */

.industries {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.industry {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 26px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.25s var(--ease);
}

.industry:hover {
  border-color: var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.industry__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: #2b3037;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.industry:hover .industry__icon {
  color: var(--gold-dark);
  border-color: rgba(245, 166, 35, 0.45);
}

.industry__icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
}

.industry__name {
  font-size: 12.5px;
  font-weight: 700;
  color: #2f343a;
}

.industry__meta {
  display: block;
  margin-top: 2px;
  color: var(--muted-2);
  font-size: 11px;
  font-weight: 500;
}

/* ---------- 新闻 ---------- */

.news {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.ncard {
  display: flex;
  flex-direction: column;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color var(--dur-hover) var(--ease-ui),
    box-shadow var(--dur-hover) var(--ease-ui);
}

.ncard:hover {
  border-color: var(--line-hover);
  box-shadow: var(--shadow-hover);
}

.ncard__date {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--gold-dark);
}

.ncard__date strong {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.ncard__date span {
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 600;
}

.ncard__cat {
  display: inline-block;
  align-self: flex-start;
  margin: 14px 0 10px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.ncard__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ncard__excerpt {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ncard__foot {
  margin-top: auto;
  padding-top: 18px;
}

/* ---------- 联系 ---------- */

.contact {
  background: var(--ink-2);
  color: #fff;
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    760px 380px at 12% 0%,
    rgba(245, 166, 35, 0.14),
    transparent 65%
  );
}

.contact__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 60px;
}

.contact__title {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  line-height: 1.3;
}

.contact__sub {
  margin-top: 12px;
  color: #9aa0a9;
  font-size: 14px;
  line-height: 1.8;
}

.contact__list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.contact__row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13.5px;
  color: #c9ced4;
}

.contact__row svg {
  width: 17px;
  height: 17px;
  margin-top: 3px;
  color: var(--gold);
  flex: none;
}

.contact__row b {
  color: #fff;
  font-weight: 600;
}

.contact__qr {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #23262b;
}

.contact__qr img {
  width: 92px;
  height: 92px;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 5px;
  object-fit: cover;
}

.contact__qr p {
  font-size: 12.5px;
  color: #8d939c;
  line-height: 1.7;
}

.contact__qr strong {
  display: block;
  margin-bottom: 4px;
  color: #fff;
  font-size: 13px;
}

.form {
  padding: 32px;
  border: 1px solid #262a30;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}

.form__head {
  margin-bottom: 22px;
}

.form__head h3 {
  font-size: 17px;
  font-weight: 800;
}

.form__head p {
  margin-top: 4px;
  color: #8d939c;
  font-size: 12.5px;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 12px;
  font-weight: 600;
  color: #b9bec5;
  letter-spacing: 0.04em;
}

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

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #2c3037;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font: inherit;
  font-size: 13.5px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #6a7078;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(245, 166, 35, 0.06);
}

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

.field.is-error input,
.field.is-error textarea {
  border-color: #d9534f;
}

.form__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
}

.form__note {
  color: #7c828b;
  font-size: 12px;
}

.form__msg {
  margin-top: 14px;
  font-size: 13px;
  color: var(--gold);
  min-height: 20px;
}

/* ---------- 页脚 ---------- */

.footer {
  padding: 56px 0 26px;
  background: var(--ink-2);
  border-top: 1px solid #1c1f24;
  color: #9a9ea6;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 40px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer__logo {
  width: auto;
  height: 38px;
  flex: none;
}

.footer__brand strong {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
}

.footer__desc {
  max-width: 340px;
  font-size: 12.5px;
  line-height: 1.8;
  color: #8d939c;
}

.footer__title {
  margin-bottom: 16px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer__list li + li {
  margin-top: 10px;
}

.footer__list a,
.footer__list p {
  font-size: 12.5px;
  color: #9a9ea6;
  transition: color 0.2s var(--ease);
}

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

.footer__list span {
  color: #fff;
  font-weight: 600;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid #1c1f24;
  font-size: 12px;
  color: #6f757d;
}

.footer__bottom a:hover {
  color: #b9bec5;
}

.footer__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 26px;
}

.footer__meta p {
  margin: 0;
}

.footer__beian {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #8d939c;
  font-size: 12.5px;
  white-space: nowrap;
}

.footer__beian img {
  display: block;
  width: 17px;
  height: 18px;
  flex: none;
}

.footer__beian:hover {
  color: #c9ced4;
}

.footer__links {
  display: flex;
  gap: 22px;
}

/* ---------- 返回顶部 ---------- */

.totop {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid #2c3037;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s var(--ease);
}

.totop.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.totop:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #000;
}

.totop svg {
  width: 18px;
  height: 18px;
}

/* ---------- 入场动画 ---------- */

.reveal {
  opacity: 0;
  translate: 0 18px;
  transition: opacity 0.6s var(--ease), translate 0.6s var(--ease);
}

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

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

  html {
    scroll-behavior: auto;
  }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1180px) {
  .nav {
    gap: 24px;
  }

  .products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industries {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about {
    gap: 40px;
  }
}

@media (max-width: 992px) {
  .nav,
  .header__actions .btn {
    display: none;
  }

  .burger {
    display: inline-flex;
  }

  .drawer {
    display: block;
    pointer-events: none;
  }

  .drawer.is-open {
    pointer-events: auto;
  }

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

  .hero__visual {
    order: 2;
  }

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

  .stats__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    width: 100%;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about__media img {
    height: 320px;
  }

  .advs,
  .news {
    grid-template-columns: 1fr;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 640px) {
  .topbar__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 0;
  }

  .topbar__meta {
    display: none;
  }

  .header__inner {
    min-height: 64px;
  }

  .brand__logo {
    height: 32px;
  }

  .brand__text {
    gap: 3px;
  }

  .brand__text strong {
    font-size: 12.5px;
    letter-spacing: 0.02em;
  }

  .brand__text em {
    font-size: 7px;
    letter-spacing: 0.04em;
  }

  .brand--drawer .brand__logo {
    height: 30px;
  }

  .brand--drawer .brand__text strong {
    font-size: 12.5px;
  }

  .brand--drawer .brand__text em {
    font-size: 7px;
  }

  .products {
    grid-template-columns: 1fr;
  }

  .industries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .form {
    padding: 22px 18px;
  }

  .form__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .hero__caption {
    left: 12px;
    bottom: 12px;
    padding: 8px 10px;
    font-size: 11px;
  }
}