/* ==========================================================================
   Emberstone Capital INC — Global Stylesheet
   --------------------------------------------------------------------------
   目录
   01 设计令牌 Design Tokens
   02 基础重置 & 排版 Reset & Typography
   03 布局容器 Layout & Grid
   04 通用组件 Components (按钮 / 卡片 / 标签)
   05 顶部导航 Header + 移动端抽屉
   06 首屏 Hero + 视差
   07 进场动画 Scroll Reveal
   08 轮播 Carousel
   09 时间轴 Timeline
   10 折叠面板 Accordion
   11 证书 Certifications
   12 联系 & 地图 Contact & Map
   13 页脚 Footer
   14 响应式 Responsive (≤1080px / ≤768px / ≤520px)
   ========================================================================== */

/* ===== 01 设计令牌 ====================================================== */
:root {
  /* 品牌主色 —— 深邃藏青 */
  --navy-900: #080F1C;
  --navy-800: #0B1322;
  --navy: #0F172A;          /* 主背景色 */
  --navy-700: #16223B;
  --navy-600: #1E2B47;
  --navy-500: #2A3A5C;
  /* 品牌强调色 */
  --gold: #D4AF37;          /* 主强调色 · 轻奢金属金 */
  --gold-200: #EBD48A;
  --gold-700: #A8862A;
  --silver: #94A3B8;        /* 辅助色 1 · 高级哑光银 */
  --orange: #F97316;        /* 辅助色 2 · 暖焰橙 */
  /* 中性色 */
  --cream: #F7F6F2;         /* 米白 */
  --cream-2: #EDEBE3;
  --cream-3: #E2DFD5;
  --text-dark: #0F172A;
  --text-dark-2: #33415C;
  --text-light: #E7EBF3;
  --text-light-2: #B7C1D1;
  /* 线条与阴影 */
  --line-dark: rgba(148, 163, 184, 0.16);
  --line-light: rgba(15, 23, 42, 0.10);
  --gold-line: rgba(212, 175, 55, 0.30);
  --shadow-sm: 0 2px 10px rgba(8, 15, 28, 0.10);
  --shadow-md: 0 18px 40px -18px rgba(8, 15, 28, 0.45);
  --shadow-lg: 0 34px 70px -30px rgba(8, 15, 28, 0.65);
  --shadow-gold: 0 26px 50px -26px rgba(212, 175, 55, 0.55);
  /* 排版 */
  --font: "Inter", "Manrope", "Segoe UI", -apple-system, BlinkMacSystemFont,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  /* 尺寸 */
  --header-h: 92px;
  --maxw: 1240px;
  --radius: 14px;
  --radius-lg: 22px;
  /* 动效 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ===== 02 基础重置 & 排版 ============================================== */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-light-2);
  background-color: var(--navy);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 语言切换时避免布局抖动造成的闪烁 */
html.is-switching body { opacity: 0.999; }

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

a { color: inherit; text-decoration: none; transition: color 0.28s var(--ease); }

h1, h2, h3, h4, h5 {
  margin: 0 0 18px;
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.55rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.42rem); }
h4 { font-size: 1.06rem; }

p { margin: 0 0 16px; }

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

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 通用小标签 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.eyebrow--dark { color: var(--gold-700); }
.eyebrow--dark::before { background: linear-gradient(90deg, transparent, var(--gold-700)); }

/* ===== 03 布局容器 ===================================================== */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.section { position: relative; padding: clamp(72px, 8vw, 118px) 0; }
.section--dark { background: linear-gradient(180deg, var(--navy-800), var(--navy)); color: var(--text-light-2); }
.section--navy { background: var(--navy); color: var(--text-light-2); }
.section--light { background: var(--cream); color: var(--text-dark-2); }
.section--cream { background: var(--cream-2); color: var(--text-dark-2); }
.section--navy p, .section--dark p { color: var(--text-light-2); }

.section-head { max-width: 760px; margin-bottom: clamp(38px, 5vw, 62px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head h2 { color: #fff; }
.section-head h2.is-dark, .section--light .section-head h2, .section--cream .section-head h2 { color: var(--text-dark); }
.section-head p { margin: 0; font-size: 1.03rem; }

.grid { display: grid; gap: 26px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ===== 04 通用组件 ===================================================== */

/* — 按钮 — */
.btn {
  --btn-bg: linear-gradient(135deg, var(--gold-200), var(--gold) 55%, var(--gold-700));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: #16110A;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease),
    filter 0.32s var(--ease), background 0.32s var(--ease);
}
.btn:hover { transform: translateY(-2px) scale(1.03); box-shadow: var(--shadow-gold); filter: brightness(1.06); }
.btn:active { transform: translateY(0) scale(0.99); }

.btn--ghost {
  background: transparent;
  border-color: rgba(212, 175, 55, 0.55);
  color: var(--gold-200);
}
.btn--ghost:hover {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.16), rgba(249, 115, 22, 0.12));
  border-color: var(--gold);
  color: #fff;
  box-shadow: 0 18px 34px -22px rgba(212, 175, 55, 0.6);
}
.section--light .btn--ghost, .section--cream .btn--ghost {
  border-color: rgba(15, 23, 42, 0.25);
  color: var(--text-dark);
}
.section--light .btn--ghost:hover, .section--cream .btn--ghost:hover {
  background: rgba(15, 23, 42, 0.06);
  border-color: var(--navy);
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}
.btn--sm { padding: 12px 24px; font-size: 0.86rem; }

/* 文字型链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--gold);
}
.link-arrow svg { transition: transform 0.3s var(--ease); }
.link-arrow:hover { color: var(--orange); }
.link-arrow:hover svg { transform: translateX(5px); }

/* — 卡片 — */
.card {
  position: relative;
  padding: 34px 32px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: linear-gradient(168deg, rgba(30, 43, 71, 0.78), rgba(11, 19, 34, 0.86));
  transition: transform 0.42s var(--ease), box-shadow 0.42s var(--ease),
    border-color 0.42s var(--ease), background 0.42s var(--ease);
}
.card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-line);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(168deg, rgba(38, 53, 87, 0.85), rgba(14, 22, 39, 0.9));
}
.card--light {
  border-color: var(--line-light);
  background: #fff;
  color: var(--text-dark-2);
  box-shadow: var(--shadow-sm);
}
.card--light:hover {
  /* 保持浅色底，避免全局 .card:hover 的深色背景导致深底深字不可读 */
  background: #fff;
  border-color: rgba(212, 175, 55, 0.75);
  box-shadow: 0 28px 50px -30px rgba(15, 23, 42, 0.42);
}
.card__icon {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  margin-bottom: 22px;
  border-radius: 16px;
  border: 1px solid var(--gold-line);
  background: rgba(212, 175, 55, 0.10);
}
.card__icon svg { width: 30px; height: 30px; }
.card h3, .card h4 { color: #fff; margin-bottom: 12px; }
.card--light h3, .card--light h4 { color: var(--text-dark); }
.card p { margin: 0; font-size: 0.95rem; }

/* 浅色卡片内的文字与链接配色修正 */
.card--light .insight-card__no { color: var(--gold-700); }
.card--light .link-arrow { color: var(--gold-700); }
.card--light .link-arrow:hover { color: var(--orange); }
.card--light .cert-list li::before { background: var(--gold-700); }

/* 金色图标配色（服务 / 优势使用） */
.ic-gold { color: var(--gold); }
.ic-orange { color: var(--orange); }
.ic-silver { color: var(--silver); }
.ic-steel { color: #7AA2F7; }
.ic-teal { color: #4FD1C5; }
.ic-rose { color: #F87171; }

/* — 官方渠道可点击卡片（整卡跳转外链） — */
.channel-card {
  display: block;
  padding: 40px 36px;
  color: inherit;
  text-decoration: none;
}
.channel-card .card__icon { width: 72px; height: 72px; margin-bottom: 26px; border-radius: 20px; }
.channel-card .card__icon svg { width: 36px; height: 36px; }
.channel-card h3 { font-size: 1.28rem; margin-bottom: 10px; }
.channel-card__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-weight: 600;
  color: var(--gold);
  transition: color 0.3s var(--ease);
}
.channel-card__go svg { transition: transform 0.3s var(--ease); }
.channel-card:hover .channel-card__go { color: var(--orange); }
.channel-card:hover .channel-card__go svg { transform: translateX(5px); }

/* — 数据条 — */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line-dark);
}
.stat {
  padding: 34px 26px;
  background: var(--navy-800);
  text-align: center;
}
.stat__num {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
}
.stat__label { margin-top: 8px; font-size: 0.86rem; color: var(--silver); }
.stat__src { margin-top: 6px; font-size: 0.72rem; color: rgba(148, 163, 184, 0.7); }

/* ===== 05 顶部导航 ===================================================== */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: height 0.4s var(--ease), background 0.4s var(--ease),
    box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
/* 滚动后：从透明渐变到实色藏青 */
.header.is-solid {
  height: 74px;
  background: rgba(11, 19, 34, 0.94);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom-color: var(--gold-line);
  box-shadow: 0 14px 40px -30px rgba(0, 0, 0, 0.9);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.logo { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.logo img {
  width: 62px;
  height: 62px;
  border-radius: 10px;
  transition: transform 0.4s var(--ease), filter 0.4s var(--ease);
}
.logo:hover img { transform: scale(1.04); filter: drop-shadow(0 6px 16px rgba(212, 175, 55, 0.35)); }
.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__name {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
}
.logo__sub {
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light-2);
  border-radius: 999px;
  transition: color 0.28s var(--ease), background 0.28s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transform: translateX(-50%);
  transition: width 0.32s var(--ease);
}
.nav a:hover { color: #fff; }
.nav a:hover::after, .nav a.is-active::after { width: 46%; }
.nav a.is-active { color: var(--gold); }
.nav a i[lang] { font-style: normal; }

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

/* 邮箱链接确保可点击（默认 a 为指针，这里显式声明，防止个别浏览器继承覆盖） */
.info-card__value a { cursor: pointer; }

/* 汉堡按钮 */
.burger {
  display: none;
  width: 46px;
  height: 46px;
  padding: 12px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: rgba(148, 163, 184, 0.06);
  cursor: pointer;
}
.burger span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--gold);
  border-radius: 2px;
  transition: transform 0.34s var(--ease), opacity 0.24s var(--ease);
}
.burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 移动端抽屉：自右侧滑入 + 半透明遮罩 */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 130;
  background: rgba(6, 12, 22, 0.62);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.36s var(--ease), visibility 0.36s var(--ease);
}
.drawer-overlay.is-open { opacity: 1; visibility: visible; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 140;
  width: min(360px, 86vw);
  height: 100%;
  padding: 28px 26px 40px;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--navy-700), var(--navy-900));
  border-left: 1px solid var(--gold-line);
  transform: translateX(102%);
  transition: transform 0.42s var(--ease);
}
.drawer.is-open { transform: translateX(0); }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.drawer__logo img { width: 54px; height: 54px; border-radius: 10px; }
.drawer__close {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: transparent;
  color: var(--gold);
  font-size: 1.2rem;
  cursor: pointer;
}
.drawer__nav { display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--line-dark); }
.drawer__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px;
  font-size: 1rem;
  color: var(--text-light);
  border-bottom: 1px solid var(--line-dark);
  transition: color 0.26s var(--ease), padding-left 0.26s var(--ease);
}
.drawer__nav a:hover, .drawer__nav a.is-active { color: var(--gold); padding-left: 10px; }
.drawer__foot { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line-dark); }
.drawer__foot a { display: block; color: var(--text-light-2); font-size: 0.88rem; margin-bottom: 8px; }

/* ===== 06 首屏 Hero + 视差 ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 90px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(212, 175, 55, 0.10), transparent 58%),
    radial-gradient(90% 70% at 88% 22%, rgba(249, 115, 22, 0.09), transparent 60%),
    linear-gradient(180deg, var(--navy-800) 0%, var(--navy) 62%, #0A1120 100%);
}
/* 视差层 1：网格纹理 */
.hero__grid {
  position: absolute;
  inset: -12% 0 -18%;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.075) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 78%);
  will-change: transform;
}
/* 视差层 2：光晕 */
.hero__glow {
  position: absolute;
  width: 46vw; height: 46vw;
  right: -12vw; top: -8vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.16), transparent 62%);
  filter: blur(10px);
  will-change: transform;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(34px, 5vw, 74px);
  align-items: center;
}
.hero h1 {
  max-width: 15ch;
  color: #fff;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold-200), var(--gold) 45%, var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  max-width: 56ch;
  margin: 24px 0 36px;
  font-size: clamp(1rem, 1.15vw, 1.1rem);
  color: var(--text-light-2);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid var(--line-dark);
}
.hero__meta div strong {
  display: block;
  font-size: 1.02rem;
  color: #fff;
  font-weight: 700;
}
.hero__meta div span { font-size: 0.8rem; color: var(--silver); letter-spacing: 0.04em; }

/* 首屏配图：金融概念视觉（卡片式浮层） */
.hero__visual { position: relative; will-change: transform; }
.hero__visual img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.hero__badge {
  position: absolute;
  left: -26px; bottom: -30px;
  padding: 20px 24px;
  border: 1px solid var(--gold-line);
  border-radius: 16px;
  background: rgba(11, 19, 34, 0.92);
  box-shadow: var(--shadow-md);
}
.hero__badge strong { display: block; font-size: 1.5rem; color: var(--gold); }
.hero__badge span { font-size: 0.76rem; color: var(--silver); letter-spacing: 0.1em; text-transform: uppercase; }

/* 页内页头（内页共用） */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 78px) 0 74px;
  background:
    radial-gradient(80% 120% at 82% -10%, rgba(212, 175, 55, 0.12), transparent 60%),
    linear-gradient(180deg, var(--navy-800), var(--navy));
  border-bottom: 1px solid var(--line-dark);
  overflow: hidden;
}
.page-hero__inner { position: relative; z-index: 2; max-width: 820px; }
.page-hero h1 { color: #fff; }
.page-hero p { margin: 0; font-size: 1.05rem; color: var(--text-light-2); }
.breadcrumb { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 0.8rem; color: var(--silver); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: rgba(148, 163, 184, 0.55); }

/* ===== 07 进场动画 ==================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.78s var(--ease), transform 0.78s var(--ease);
  transition-delay: var(--rd, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }
/* 无障碍：用户偏好减少动效时直接显示 */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== 08 轮播 ======================================================== */
.carousel { position: relative; }
.carousel__viewport { overflow: hidden; padding: 8px 0 4px; margin: -8px 0 -4px; }
.carousel__track {
  display: flex;
  gap: 26px;
  transition: transform 0.72s var(--ease);
  will-change: transform;
}
.carousel__slide { flex: 0 0 calc((100% - 52px) / 3); min-width: 0; }
.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}
.carousel__arrow {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.07);
  color: var(--gold);
  cursor: pointer;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    background 0.3s var(--ease), color 0.3s var(--ease);
}
.carousel__arrow:hover {
  transform: translateY(-3px) scale(1.06);
  border-color: var(--gold);
  background: rgba(212, 175, 55, 0.14);
  color: #fff;
}
.carousel__dots { display: flex; align-items: center; gap: 9px; }
.carousel__dots button {
  width: 8px; height: 8px; padding: 0;
  border: 0; border-radius: 999px;
  background: rgba(148, 163, 184, 0.42);
  cursor: pointer;
  transition: width 0.34s var(--ease), background 0.34s var(--ease);
}
.carousel__dots button.is-active { width: 26px; background: var(--gold); }

/* 序号样式 */
.slide-index {
  position: absolute;
  top: 18px; right: 24px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(148, 163, 184, 0.55);
}

/* ===== 09 时间轴 ====================================================== */
.timeline { position: relative; padding-left: 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px; bottom: 6px;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, var(--gold-line) 12%, var(--gold-line) 88%, transparent);
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 88px 1fr;
  align-items: center;
  margin-bottom: 34px;
}
.tl-item__card { grid-column: 1; padding: 30px 30px; }
.tl-item:nth-child(even) .tl-item__card { grid-column: 3; }
.tl-item__dot {
  grid-column: 2;
  justify-self: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.12);
}
.tl-item__phase {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  margin-top: 26px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.tl-item__card { grid-row: 1; }
.tl-item__card h3 { margin-bottom: 8px; }
.tl-item__card p { font-size: 0.93rem; }

/* ===== 10 折叠面板 ==================================================== */
.accordion { border-top: 1px solid var(--line-dark); }
.acc-item { border-bottom: 1px solid var(--line-dark); }
.acc-item__btn {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  padding: 26px 4px;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 1.04rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color 0.28s var(--ease);
}
.acc-item__btn:hover { color: var(--gold); }
.acc-item__num {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 700;
}
.acc-item__icon {
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--gold);
  transition: transform 0.4s var(--ease);
}
.acc-item.is-open .acc-item__icon { transform: rotate(45deg); }
.acc-item__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.52s var(--ease), opacity 0.4s var(--ease);
  opacity: 0;
}
.acc-item.is-open .acc-item__panel { opacity: 1; }
.acc-item__body { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; padding: 4px 4px 32px 64px; }
.acc-item__body h4 { color: var(--gold-200); font-size: 0.98rem; margin-bottom: 10px; }
.acc-item__body p { font-size: 0.94rem; }
.acc-item__body .tagline {
  display: inline-block;
  margin-top: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--gold-line);
  background: rgba(212, 175, 55, 0.08);
  font-size: 0.84rem;
  color: var(--gold-200);
}

/* ===== 11 证书 ======================================================== */
.cert-card {
  display: flex;
  flex-direction: column;
}
.cert-card__media {
  position: relative;
  border-bottom: 1px solid var(--line-dark);
  background: linear-gradient(160deg, rgba(30, 43, 71, 0.9), rgba(8, 15, 28, 0.95));
  overflow: hidden;
}
.cert-card__media img { width: 100%; transition: transform 0.7s var(--ease); }
.cert-card:hover .cert-card__media img { transform: scale(1.04); }
.cert-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11, 19, 34, 0.85));
}
.cert-card__body { padding: 30px 30px 34px; }
.cert-card h3 { color: #fff; font-size: 1.14rem; }
.cert-list { margin: 0 0 18px; }
.cert-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-light-2);
}
.cert-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
}
.cert-note {
  padding: 18px 22px;
  border: 1px dashed var(--gold-line);
  border-radius: 12px;
  font-size: 0.88rem;
  color: var(--silver);
}
.verify-link { color: var(--gold); font-weight: 600; }
.verify-link:hover { color: var(--orange); }

/* ===== 12 联系 & 地图 ================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 4vw, 60px); align-items: start; }
.info-card {
  padding: 34px 32px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: linear-gradient(168deg, rgba(30, 43, 71, 0.72), rgba(11, 19, 34, 0.86));
}
.info-card + .info-card { margin-top: 22px; }
.info-card__label {
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.info-card__value {
  font-size: 1.06rem;
  color: #fff;
  line-height: 1.6;
  word-break: break-word;
}
.info-card__value a { cursor: pointer; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(212, 175, 55, 0.5); }
.info-card__value a:hover { color: var(--gold); text-decoration-color: var(--gold); }
.map-figure {
  position: relative;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.map-figure img { width: 100%; }
.map-figure figcaption {
  position: absolute;
  left: 20px; right: 20px; bottom: 20px;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(8, 15, 28, 0.86);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid var(--gold-line);
  font-size: 0.86rem;
  color: var(--silver);
}

/* 底部 CTA 区 */
.cta-band {
  position: relative;
  padding: clamp(56px, 7vw, 92px) 0;
  text-align: center;
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(212, 175, 55, 0.14), transparent 62%),
    linear-gradient(180deg, var(--navy-700), var(--navy-900));
  border-top: 1px solid var(--gold-line);
}
.cta-band h2 { color: #fff; max-width: 22ch; margin-inline: auto; }
.cta-band p { max-width: 60ch; margin: 18px auto 34px; }
.cta-mail {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  padding: 16px 30px;
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.08);
  color: var(--gold-200);
  font-weight: 600;
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), box-shadow 0.32s var(--ease);
}
.cta-mail:hover { transform: translateY(-3px) scale(1.02); border-color: var(--gold); box-shadow: var(--shadow-gold); }

/* 分栏图文 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 5vw, 76px); align-items: center; }
.split--reverse .split__media { order: -1; }
.split__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--gold-line); }
.split__media img { width: 100%; }
.split__media figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px 26px;
  background: linear-gradient(180deg, transparent, rgba(8, 15, 28, 0.92));
  font-size: 0.9rem;
  color: var(--text-light);
}
.check-list { margin-top: 22px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: inset 0 0 0 3px rgba(212, 175, 55, 0.22);
}

/* 内页服务大卡 */
.service-row {
  display: grid;
  grid-template-columns: 64px 1fr 300px;
  gap: clamp(24px, 3.4vw, 48px);
  padding: clamp(30px, 3.6vw, 46px) 0;
  border-bottom: 1px solid var(--line-dark);
  align-items: start;
}
.service-row:first-of-type { border-top: 1px solid var(--line-dark); }
.service-row__icon { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 18px; border: 1px solid var(--gold-line); background: rgba(212, 175, 55, 0.08); }
.service-row__icon svg { width: 32px; height: 32px; }
.service-row h3 { color: #fff; }
.service-row p { color: var(--text-light-2); }
.service-row__side { padding: 24px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(11, 19, 34, 0.6); }
.service-row__side h4 { color: var(--gold-200); font-size: 0.92rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.service-row__side li { position: relative; padding-left: 18px; margin-bottom: 10px; font-size: 0.9rem; }
.service-row__side li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }

/* 洞察观点卡 */
.insight-card { display: flex; flex-direction: column; }
.insight-card__no {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 14px;
}
.insight-card h3 { font-size: 1.08rem; }
.insight-card p { font-size: 0.93rem; }

/* ===== 13 页脚 ======================================================== */
/* 一键回到顶部 */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 110;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  background: rgba(11, 19, 34, 0.88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--gold);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.32s var(--ease), visibility 0.32s var(--ease),
    transform 0.32s var(--ease), border-color 0.32s var(--ease),
    box-shadow 0.32s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover {
  border-color: var(--gold);
  color: #fff;
  box-shadow: var(--shadow-gold);
  transform: translateY(-3px);
}

.footer {
  padding: 78px 0 34px;
  background: var(--navy-900);
  border-top: 1px solid var(--line-dark);
}
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(28px, 4vw, 56px); }
.footer h4 { color: var(--gold); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 18px; }
.footer p, .footer li { color: var(--silver); font-size: 0.92rem; }
.footer__brand { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.footer__brand img { width: 56px; height: 56px; border-radius: 10px; }
.footer__brand strong { display: block; color: #fff; font-size: 1rem; letter-spacing: 0.1em; text-transform: uppercase; }
.footer__links a { display: block; padding: 7px 0; color: var(--silver); }
.footer__links a:hover { color: var(--gold); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
  font-size: 0.82rem;
  color: rgba(148, 163, 184, 0.8);
}
/* ===== 14 响应式 ====================================================== */
@media (max-width: 1080px) {
  :root { --header-h: 84px; }
  .nav { display: none; }
  .burger { display: block; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero__visual { max-width: 520px; margin-inline: auto; width: 100%; }
  .hero__badge { left: 12px; bottom: -22px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .carousel__slide { flex-basis: calc((100% - 26px) / 2); }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .service-row { grid-template-columns: 56px 1fr; }
  .service-row__side { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 8px; }
  .tl-item { grid-template-columns: 44px 1fr; }
  .tl-item__dot, .tl-item__phase { grid-column: 1; justify-self: start; }
  .tl-item__phase { margin: 22px 0 0; }
  .tl-item__card { grid-column: 2; grid-row: 1; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .carousel__slide { flex-basis: 100%; }
  .stat-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .acc-item__body { grid-template-columns: 1fr; padding-left: 4px; gap: 20px; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1 1 100%; }
  .logo img { width: 50px; height: 50px; }
  .logo__name { font-size: 0.86rem; }
  .logo__sub { font-size: 0.55rem; }
  .section { padding: 60px 0; }
}

@media (max-width: 520px) {
  .stat-band { grid-template-columns: 1fr; }
  .hero__meta { gap: 20px; }
  .cert-card__body, .card { padding: 26px 22px; }
}