/* ====================================================================
   精东影业 — 站点主样式
   配色：深空黑 + 鎏金，影视质感
   ==================================================================== */

:root {
  --ink: #07080b;
  --ink-2: #0c0e13;
  --surface: #10131a;
  --surface-2: #151924;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --gold: #c9a063;
  --gold-light: #e7cb92;
  --gold-deep: #8f6f38;
  --text: #edebe6;
  --muted: #99a0ad;
  --muted-2: #6f7684;
  --danger: #d9534f;
  --radius-s: 10px;
  --radius: 16px;
  --radius-l: 24px;
  --max: 1180px;
  --nav-h: 74px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow-1: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  --shadow-2: 0 34px 80px -34px rgba(0, 0, 0, 0.95);
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", Georgia, serif;
}

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

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: rgba(201, 160, 99, 0.35);
  color: #fff;
}

/* ---------- 无障碍：跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 99;
  background: var(--gold);
  color: #14100a;
  padding: 10px 18px;
  border-radius: 0 0 8px 0;
  font-weight: 700;
}

.skip-link:focus {
  left: 0;
}

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

/* ====================================================================
   布局容器
   ==================================================================== */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  position: relative;
  padding: 104px 0;
}

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

.section--alt {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 22%, var(--ink-2) 78%, var(--ink) 100%);
}

.section__head {
  max-width: 720px;
  margin-bottom: 56px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.75;
}

.section__head--center .eyebrow::after {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.75;
}

.section__title {
  font-size: clamp(26px, 3.4vw, 42px);
  color: #fff;
  letter-spacing: 0.02em;
}

.section__desc {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 640px;
}

.section__head--center .section__desc {
  margin-left: auto;
  margin-right: auto;
}

/* ====================================================================
   按钮
   ==================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease),
    color 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
  will-change: transform;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(120deg, var(--gold-light), var(--gold) 55%, var(--gold-deep));
  color: #17120a;
  box-shadow: 0 14px 34px -16px rgba(201, 160, 99, 0.7);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 46px -18px rgba(201, 160, 99, 0.85);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(6px);
}

.btn--ghost:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(201, 160, 99, 0.08);
}

.btn--small {
  padding: 10px 20px;
  font-size: 14px;
}

.btn .arrow {
  transition: transform 0.35s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ====================================================================
   顶部导航
   ==================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(7, 8, 11, 0.55);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(7, 8, 11, 0.92);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 30px -20px rgba(0, 0, 0, 0.9);
}

.nav {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--gold-light), var(--gold-deep));
  color: #151006;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0;
  box-shadow: 0 10px 26px -12px rgba(201, 160, 99, 0.9);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
}

.brand__sub {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav__links a {
  position: relative;
  padding: 9px 15px;
  font-size: 15px;
  color: var(--muted);
  border-radius: 8px;
  transition: color 0.3s var(--ease), background 0.3s var(--ease);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 2px;
  height: 1.5px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav__links a:hover {
  color: var(--text);
}

.nav__links a:hover::after {
  transform: scaleX(1.0);
}

.nav__links a[aria-current="page"] {
  color: var(--gold-light);
}

.nav__links a[aria-current="page"]::after {
  transform: scaleX(1.0);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: border-color 0.3s var(--ease);
}

.nav__toggle:hover {
  border-color: var(--gold);
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端抽屉 */
@media (max-width: 960px) {
  .nav__toggle {
    display: inline-flex;
  }

  .nav__actions .btn--primary {
    display: none;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 18px 24px 30px;
    background: rgba(8, 9, 13, 0.97);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.4s var(--ease), opacity 0.3s var(--ease), visibility 0.3s;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }

  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__links a {
    padding: 14px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 16px;
  }

  .nav__links a::after {
    display: none;
  }

  .nav__links .nav__cta {
    margin-top: 16px;
    border-bottom: 0;
    text-align: center;
    background: linear-gradient(120deg, var(--gold-light), var(--gold-deep));
    color: #17120a;
    border-radius: 999px;
    font-weight: 600;
    padding: 14px 8px;
  }
}

/* 移动端 CTA 展示 */
@media (min-width: 961px) {
  .nav__cta {
    display: none;
  }
}

/* ====================================================================
   HERO 主视觉
   ==================================================================== */
#hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 70px) 0 90px;
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.55) contrast(1.05) brightness(0.5);
  transform: scale(1.06);
  animation: heroZoom 24s var(--ease) forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.14); }
  to { transform: scale(1.0); }
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 80% at 18% 40%, rgba(7, 8, 11, 0.35) 0%, rgba(7, 8, 11, 0.92) 78%),
    linear-gradient(180deg, rgba(7, 8, 11, 0.72) 0%, rgba(7, 8, 11, 0.5) 40%, var(--ink) 100%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(70% 70% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 40%, transparent 100%);
  pointer-events: none;
}

.hero__inner {
  max-width: 820px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px 8px 12px;
  border: 1px solid rgba(201, 160, 99, 0.35);
  border-radius: 999px;
  background: rgba(201, 160, 99, 0.07);
  color: var(--gold-light);
  font-size: 13px;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}

.hero__eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0 rgba(201, 160, 99, 0.8);
  animation: pulseDot 2.4s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(201, 160, 99, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(201, 160, 99, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 160, 99, 0); }
}

#hero h1 {
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: #fff;
  max-width: 16ch;
}

.hero__title-accent {
  display: block;
  background: linear-gradient(100deg, var(--gold-light) 0%, var(--gold) 45%, #a07f47 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin-top: 26px;
  font-size: 17px;
  color: #c3c7d0;
  max-width: 58ch;
  line-height: 1.85;
}

.hero__actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__meta {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 760px;
}

.hero__meta div {
  background: rgba(12, 14, 19, 0.78);
  padding: 18px 20px;
  backdrop-filter: blur(8px);
}

.hero__meta strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--gold-light);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.hero__meta span {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  text-transform: uppercase;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.hero__scroll span {
  width: 2px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollHint 2s infinite var(--ease);
}

@keyframes scrollHint {
  0%, 100% { transform: translateY(-5px); opacity: 0.35; }
  50% { transform: translateY(5px); opacity: 1; }
}

/* ====================================================================
   页面内页 HERO（子页）
   ==================================================================== */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 92px) 0 76px;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.7) brightness(0.4);
}

.page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 8, 11, 0.78) 0%, rgba(7, 8, 11, 0.6) 55%, var(--ink) 100%);
}

.page-hero__inner {
  max-width: 760px;
}

.page-hero h1 {
  font-size: clamp(30px, 4.2vw, 48px);
  color: #fff;
  margin-top: 0;
}

.page-hero p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-2);
  margin-bottom: 26px;
  letter-spacing: 0.04em;
}

.breadcrumb a {
  color: var(--muted);
  transition: color 0.3s var(--ease);
}

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

.breadcrumb__sep {
  opacity: 0.5;
}

.breadcrumb [aria-current="page"] {
  color: var(--gold);
}

/* ====================================================================
   核心特性
   ==================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  position: relative;
  padding: 34px 26px 32px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease),
    background 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transform: translateX(-60%);
  transition: opacity 0.45s var(--ease), transform 0.6s var(--ease);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201, 160, 99, 0.4);
  background: linear-gradient(165deg, rgba(201, 160, 99, 0.1), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow-1);
}

.feature-card:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.feature-card__index {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  opacity: 0.85;
  display: block;
  margin-bottom: 22px;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(201, 160, 99, 0.1);
  border: 1px solid rgba(201, 160, 99, 0.24);
  color: var(--gold-light);
  margin-bottom: 22px;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}

.feature-card:hover .feature-card__icon {
  background: rgba(201, 160, 99, 0.2);
  transform: rotate(-6deg) scale(1.05);
}

.feature-card h3 {
  font-size: 19px;
  color: #fff;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* ====================================================================
   服务 / 业务
   ==================================================================== */
.service-list {
  display: grid;
  gap: 22px;
}

.service-item {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--surface);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.service-item:hover {
  border-color: rgba(201, 160, 99, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.service-item__media {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.service-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) brightness(0.86);
  transition: transform 0.8s var(--ease), filter 0.6s var(--ease);
  position: absolute;
  inset: 0;
}

.service-item:hover .service-item__media img {
  transform: scale(1.06);
  filter: grayscale(0) brightness(0.95);
}

.service-item__num {
  position: absolute;
  top: 20px;
  left: 22px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold-light);
  background: rgba(7, 8, 11, 0.6);
  border: 1px solid rgba(201, 160, 99, 0.3);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.service-item__body {
  padding: 44px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-item__body h3 {
  font-size: clamp(21px, 2.2vw, 27px);
  color: #fff;
  margin-bottom: 16px;
}

.service-item__body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

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

.tag {
  display: inline-block;
  padding: 5px 12px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.service-item:hover .tag {
  color: var(--gold-light);
  border-color: rgba(201, 160, 99, 0.3);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  font-size: 14px;
  color: var(--gold-light);
  letter-spacing: 0.04em;
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}

.link-arrow:hover {
  gap: 14px;
  color: #fff;
}

/* ====================================================================
   数据统计
   ==================================================================== */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(201, 160, 99, 0.06), transparent 34%, transparent 66%, rgba(201, 160, 99, 0.06));
}

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

.stats__item {
  padding: 44px 26px;
  text-align: center;
  border-left: 1px solid var(--line);
}

.stats__item:first-child {
  border-left: 0;
}

.stats__num {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 46px);
  color: #fff;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.stats__num em {
  font-style: normal;
  color: var(--gold);
  font-size: 0.62em;
  margin-left: 2px;
}

.stats__label {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
}

/* ====================================================================
   作品 / 项目卡片
   ==================================================================== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.work-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

.work-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5) brightness(0.62);
  transition: transform 0.9s var(--ease), filter 0.6s var(--ease);
}

.work-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 8, 11, 0.2) 0%, rgba(7, 8, 11, 0.55) 45%, rgba(7, 8, 11, 0.96) 100%);
}

.work-card__body {
  position: relative;
  z-index: 1;
  padding: 28px 26px 30px;
}

.work-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 12px;
}

.work-card__meta span:not(:last-child)::after {
  content: "·";
  margin-left: 10px;
  color: var(--muted-2);
}

.work-card h3 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 10px;
}

.work-card p {
  font-size: 14px;
  color: #b5bac4;
  line-height: 1.7;
  max-width: 34ch;
}

.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 160, 99, 0.35);
  box-shadow: var(--shadow-2);
}

.work-card:hover img {
  transform: scale(1.08);
  filter: grayscale(0.15) brightness(0.72);
}

/* ====================================================================
   新闻
   ==================================================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 160, 99, 0.32);
  box-shadow: var(--shadow-1);
}

.news-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) brightness(0.82);
  transition: transform 0.8s var(--ease), filter 0.5s var(--ease);
}

.news-card:hover .news-card__media img {
  transform: scale(1.07);
  filter: grayscale(0) brightness(0.95);
}

.news-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #17120a;
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  border-radius: 999px;
  font-weight: 500;
}

.news-card__body {
  padding: 26px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card__date {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 18px;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 12px;
}

.news-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}

.news-card .link-arrow {
  margin-top: 20px;
  font-size: 13.5px;
}

/* 新闻列表页：头条 */
.news-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--surface);
  margin-bottom: 42px;
}

.news-feature__media {
  position: relative;
  min-height: 360px;
  overflow: hidden;
}

.news-feature__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.3) brightness(0.8);
  transition: transform 1s var(--ease);
}

.news-feature:hover .news-feature__media img {
  transform: scale(1.05);
}

.news-feature__body {
  padding: 48px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-feature__body h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  color: #fff;
  margin: 14px 0 16px;
}

.news-feature__body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ====================================================================
   FAQ
   ==================================================================== */
.faq {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.faq details[open] {
  border-color: rgba(201, 160, 99, 0.32);
  background: linear-gradient(170deg, rgba(201, 160, 99, 0.06), var(--surface));
}

.faq summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color 0.3s var(--ease);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq__q {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--gold);
  border: 1px solid rgba(201, 160, 99, 0.3);
  background: rgba(201, 160, 99, 0.08);
}

.faq__sign {
  margin-left: auto;
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.faq__sign::before,
.faq__sign::after {
  content: "";
  position: absolute;
  background: var(--gold);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}

.faq__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.faq__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.faq details[open] .faq__sign::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq summary:hover {
  color: var(--gold-light);
}

.faq__answer {
  padding: 0 24px 26px 66px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

.faq__answer p + p {
  margin-top: 12px;
}

/* ====================================================================
   CTA
   ==================================================================== */
#cta .cta__panel {
  position: relative;
  border-radius: var(--radius-l);
  padding: 80px 56px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(201, 160, 99, 0.24);
  background: radial-gradient(120% 140% at 50% 0%, rgba(201, 160, 99, 0.16) 0%, rgba(10, 12, 17, 0.9) 58%, #0a0c11 100%);
}

.cta__glow {
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 160, 99, 0.22), transparent 68%);
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  filter: blur(10px);
  animation: ctaFloat 9s ease-in-out infinite;
}

@keyframes ctaFloat {
  0%, 100% { transform: translate(-50%, 0) scale(1); opacity: 0.9; }
  50% { transform: translate(-50%, 18px) scale(1.08); opacity: 0.65; }
}

.cta__panel h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  color: #fff;
  max-width: 20ch;
  margin: 0 auto;
}

.cta__panel p {
  margin: 18px auto 0;
  color: var(--muted);
  max-width: 54ch;
}

.cta__actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.cta__note {
  margin-top: 26px;
  font-size: 13px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
}

/* ====================================================================
   页脚
   ==================================================================== */
.site-footer {
  position: relative;
  background: linear-gradient(180deg, var(--ink) 0%, #050609 100%);
  border-top: 1px solid var(--line);
  padding: 78px 0 0;
  margin-top: 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 46px;
  padding-bottom: 56px;
}

.footer__brand p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  max-width: 34ch;
}

.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.footer__social a:hover {
  color: var(--gold-light);
  border-color: rgba(201, 160, 99, 0.4);
  transform: translateY(-3px);
}

.footer__col h3 {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted-2);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 22px;
}

.footer__col li {
  margin-bottom: 12px;
}

.footer__col a {
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.footer__col a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}

.footer__contact li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.footer__contact svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--gold);
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
  color: var(--muted-2);
}

.footer__bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer__bottom a {
  color: var(--muted-2);
  transition: color 0.3s var(--ease);
}

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

/* ====================================================================
   关于我们
   ==================================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__media {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-2);
}

.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  filter: grayscale(0.4) brightness(0.86);
  transition: transform 0.9s var(--ease), filter 0.6s var(--ease);
}

.about__media:hover img {
  transform: scale(1.04);
  filter: grayscale(0.1) brightness(0.95);
}

.about__badge {
  position: absolute;
  right: 20px;
  bottom: 20px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(8, 9, 13, 0.82);
  border: 1px solid rgba(201, 160, 99, 0.3);
  backdrop-filter: blur(10px);
  text-align: center;
}

.about__badge strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--gold-light);
  line-height: 1.2;
}

.about__badge span {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
}

.about__text h2 {
  font-size: clamp(26px, 3vw, 38px);
  color: #fff;
}

.about__text p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

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

.about__points li {
  display: flex;
  gap: 12px;
  font-size: 14.5px;
  color: var(--text);
  align-items: flex-start;
}

.about__points svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--gold);
}

/* 时间轴 */
.timeline {
  position: relative;
  margin-top: 10px;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold-deep) 12%, var(--gold-deep) 88%, transparent);
  opacity: 0.6;
}

.timeline__item {
  position: relative;
  padding: 0 0 38px 24px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 160, 99, 0.14);
}

.timeline__year {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 8px;
}

.timeline__item h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
}

.timeline__item p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 60ch;
}

/* 团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.team-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 160, 99, 0.32);
}

.team-card__media {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.team-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.65) brightness(0.82);
  transition: filter 0.5s var(--ease), transform 0.7s var(--ease);
}

.team-card:hover .team-card__media img {
  filter: grayscale(0.1);
  transform: scale(1.05);
}

.team-card__body {
  padding: 22px 20px 24px;
}

.team-card h3 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 4px;
}

.team-card span {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.team-card p {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.75;
}

/* 价值观 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.value-card {
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045), transparent);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.value-card:hover {
  border-color: rgba(201, 160, 99, 0.35);
  transform: translateY(-5px);
}

.value-card h3 {
  font-size: 19px;
  color: #fff;
  margin: 16px 0 12px;
}

.value-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.value-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(201, 160, 99, 0.28);
  background: rgba(201, 160, 99, 0.08);
  color: var(--gold-light);
}

/* ====================================================================
   产品 / 业务页
   ==================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-bar button {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: all 0.35s var(--ease);
}

.filter-bar button:hover {
  color: var(--gold-light);
  border-color: rgba(201, 160, 99, 0.35);
}

.filter-bar button.is-active {
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  color: #17120a;
  border-color: transparent;
  font-weight: 500;
}

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

.product-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 160, 99, 0.3);
  box-shadow: var(--shadow-1);
}

.product-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.4) brightness(0.8);
  transition: transform 0.9s var(--ease), filter 0.5s var(--ease);
}

.product-card:hover .product-card__media img {
  transform: scale(1.06);
  filter: grayscale(0.1) brightness(0.92);
}

.product-card__type {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  border-radius: 999px;
  color: var(--gold-light);
  border: 1px solid rgba(201, 160, 99, 0.35);
  background: rgba(8, 9, 13, 0.7);
  backdrop-filter: blur(6px);
}

.product-card__body {
  padding: 26px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card h3 {
  font-size: 19px;
  color: #fff;
  margin-bottom: 10px;
}

.product-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}

.product-card__stats {
  display: flex;
  gap: 20px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted-2);
}

.product-card__stats strong {
  color: var(--gold-light);
  font-family: var(--font-serif);
  font-size: 15px;
  margin-right: 4px;
}

/* ====================================================================
   文章详情
   ==================================================================== */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 56px;
  align-items: start;
}

.article__header {
  margin-bottom: 32px;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.article__meta .tag {
  color: var(--gold-light);
  border-color: rgba(201, 160, 99, 0.3);
}

.article__header h2 {
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
  line-height: 1.4;
}

.article__lead {
  margin-top: 20px;
  font-size: 16.5px;
  color: #c6cad3;
  line-height: 1.9;
  padding-left: 18px;
  border-left: 2px solid var(--gold);
}

.article__cover {
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 38px;
}

.article__cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(0.9);
}

.article__body {
  font-size: 16px;
  color: #c2c7d1;
  line-height: 2;
}

.article__body h3 {
  font-size: 21px;
  color: #fff;
  margin: 38px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  line-height: 1.5;
}

.article__body p + p {
  margin-top: 18px;
}

.article__body blockquote {
  margin: 32px 0;
  padding: 26px 30px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(201, 160, 99, 0.1), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(201, 160, 99, 0.22);
  color: #ded5c4;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.9;
}

.article__body ul {
  margin: 18px 0;
  padding-left: 4px;
}

.article__body li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  color: #c2c7d1;
}

.article__body li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.75;
}

.article__body figure {
  margin: 34px 0;
}

.article__body figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  filter: brightness(0.92);
}

.article__body figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted-2);
  text-align: center;
}

.article__footer {
  margin-top: 46px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.article__footer span {
  font-size: 13px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
  margin-right: 4px;
}

.aside {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: grid;
  gap: 22px;
}

.aside__box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 28px 24px;
}

.aside__box h3 {
  font-size: 15px;
  font-family: var(--font-sans);
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 20px;
}

.aside__list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.aside__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.aside__list a {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  transition: color 0.3s var(--ease);
  display: block;
}

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

.aside__list em {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--muted-2);
  margin-top: 6px;
  letter-spacing: 0.06em;
}

.aside__cta {
  background: linear-gradient(165deg, rgba(201, 160, 99, 0.13), rgba(255, 255, 255, 0.02));
  border-color: rgba(201, 160, 99, 0.25);
  text-align: center;
}

.aside__cta h3 {
  color: var(--gold-light);
}

.aside__cta p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.aside__cta .btn {
  width: 100%;
}

/* 上一篇 / 下一篇 */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 56px;
}

.post-nav a {
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.post-nav a:hover {
  border-color: rgba(201, 160, 99, 0.35);
  transform: translateY(-3px);
}

.post-nav small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  margin-bottom: 8px;
}

.post-nav strong {
  font-family: var(--font-serif);
  font-size: 16px;
  color: #fff;
  font-weight: 500;
  line-height: 1.6;
}

.post-nav .is-next {
  text-align: right;
}

/* ====================================================================
   联系我们
   ==================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
}

.contact__form {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  padding: 44px 40px;
}

.contact__form h2 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 10px;
}

.contact__form p.form__note {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 30px;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form__field {
  margin-bottom: 18px;
}

.form__field label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

.form__field label .req {
  color: var(--gold);
  margin-left: 3px;
}

.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-strong);
  background: rgba(6, 7, 10, 0.7);
  color: var(--text);
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.6;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
  appearance: none;
}

.form__field textarea {
  resize: vertical;
  min-height: 132px;
}

.form__field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 21px) 21px, calc(100% - 15px) 21px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.form__field input::placeholder,
.form__field textarea::placeholder {
  color: #5e6472;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: rgba(201, 160, 99, 0.55);
  background: rgba(10, 12, 17, 0.9);
  box-shadow: 0 0 0 4px rgba(201, 160, 99, 0.1);
}

.form__submit {
  width: 100%;
  margin-top: 8px;
}

.form__status {
  margin-top: 16px;
  font-size: 14px;
  color: var(--gold-light);
  min-height: 22px;
  line-height: 1.7;
}

.contact__info {
  display: grid;
  gap: 18px;
}

.info-card {
  display: flex;
  gap: 18px;
  padding: 26px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.info-card:hover {
  border-color: rgba(201, 160, 99, 0.32);
  transform: translateY(-3px);
}

.info-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(201, 160, 99, 0.1);
  border: 1px solid rgba(201, 160, 99, 0.26);
  color: var(--gold-light);
}

.info-card h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 6px;
}

.info-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.info-card strong {
  color: var(--gold-light);
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.02em;
}

/* ====================================================================
   FAQ 快捷提示 / 通用小元素
   ==================================================================== */
.notice-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-s);
  border: 1px solid rgba(201, 160, 99, 0.22);
  background: rgba(201, 160, 99, 0.06);
  font-size: 13.5px;
  color: #d8cfbe;
  line-height: 1.7;
}

.notice-strip svg {
  flex-shrink: 0;
  color: var(--gold);
}

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
  padding: 18px 0;
  margin-top: 0;
}

.marquee__track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marqueeMove 34s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  text-transform: uppercase;
  white-space: nowrap;
}

.marquee__item::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.7;
}

@keyframes marqueeMove {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ====================================================================
   动效
   ==================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ====================================================================
   响应式
   ==================================================================== */
@media (max-width: 1080px) {
  .feature-grid,
  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-grid,
  .news-grid,
  .product-grid,
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 36px;
  }

  .footer__top {
    grid-template-columns: 1.2fr 0.8fr 0.8fr;
    gap: 36px;
  }

  .footer__contact {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .section {
    padding: 78px 0;
  }

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

  .service-item {
    grid-template-columns: 1fr;
  }

  .service-item__media {
    min-height: 240px;
  }

  .service-item__body {
    padding: 34px 28px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__media {
    order: -1;
  }

  .about__media img {
    aspect-ratio: 16 / 10;
  }

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

  .stats__item:nth-child(3) {
    border-left: 0;
  }

  .stats__item:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

  .news-feature__media {
    min-height: 260px;
  }

  .news-feature__body {
    padding: 32px 28px 36px;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

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

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

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

@media (max-width: 620px) {
  :root {
    --nav-h: 66px;
  }

  .container {
    padding: 0 18px;
  }

  #hero {
    min-height: auto;
    padding: calc(var(--nav-h) + 56px) 0 70px;
  }

  .section {
    padding: 62px 0;
  }

  .hero__meta {
    margin-top: 42px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__meta div {
    padding: 14px 16px;
  }

  .hero__meta strong {
    font-size: 21px;
  }

  .hero__actions .btn,
  .cta__actions .btn {
    width: 100%;
  }

  .feature-grid,
  .work-grid,
  .news-grid,
  .product-grid,
  .team-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

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

  .stats__item {
    padding: 30px 14px;
  }

  .stats__item:nth-child(odd) {
    border-left: 0;
  }

  .section__head {
    margin-bottom: 38px;
  }

  #cta .cta__panel {
    padding: 54px 24px;
  }

  .contact__form {
    padding: 30px 22px;
  }

  .form__row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav .is-next {
    text-align: left;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .faq__answer {
    padding: 0 20px 24px 20px;
  }

  .article__lead {
    font-size: 15px;
  }

  .about__media img {
    aspect-ratio: 4 / 3;
  }

  .hero__scroll {
    display: none;
  }
}

/* 打印样式 */
@media print {
  .site-header,
  .site-footer,
  #cta,
  .aside,
  .hero__scroll {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }
}