/* ==========================================================================
   中宏投融(深圳)资本控股有限公司 · 官网样式表
   设计基调：藏青 + 雅金，简约大气
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计变量
   -------------------------------------------------------------------------- */
:root {
  /* 主色 —— 藏青 */
  --navy-950: #061423;
  --navy-900: #08192E;
  --navy-800: #0B2545;
  --navy-700: #123A66;
  --navy-600: #1B4D82;

  /* 辅色 —— 雅金 */
  --gold-600: #B8935A;
  --gold-500: #C8A96A;
  --gold-400: #D8BE87;
  --gold-200: #EFE2C8;

  /* 中性色 */
  --ink: #141A24;
  --ink-soft: #3B4657;
  --muted: #6B7686;
  --muted-light: #97A1B0;
  --line: #E5E9F0;
  --line-soft: #EFF2F7;
  --bg: #FFFFFF;
  --bg-soft: #F6F8FB;
  --bg-deep: #F1F4F9;

  /* 字体 */
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-num: "Optima", "Avenir Next", "Helvetica Neue", Georgia, serif;

  /* 尺寸 */
  --wrap: 1200px;
  --header-h: 78px;
  --radius-s: 6px;
  --radius: 12px;
  --radius-l: 20px;

  /* 阴影 */
  --shadow-s: 0 1px 2px rgba(11, 37, 69, 0.04), 0 4px 12px rgba(11, 37, 69, 0.05);
  --shadow-m: 0 10px 30px rgba(11, 37, 69, 0.08);
  --shadow-l: 0 24px 60px rgba(11, 37, 69, 0.12);

  /* 动效 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --------------------------------------------------------------------------
   2. 基础重置
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

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

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

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

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
}

::selection {
  background: var(--gold-500);
  color: #fff;
}

/* --------------------------------------------------------------------------
   3. 布局工具
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 108px 0;
  position: relative;
}

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

.section--tight {
  padding: 84px 0;
}

/* 区块标题 */
.sec-head {
  max-width: 760px;
  margin-bottom: 60px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
}

.sec-head--center .eyebrow::before {
  display: none;
}

.sec-head--center .eyebrow::after,
.sec-head--center .eyebrow::before {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  background: var(--gold-500);
  opacity: 0.55;
}

.sec-title {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy-900);
}

.sec-desc {
  margin-top: 20px;
  font-size: 16.5px;
  color: var(--muted);
  line-height: 1.9;
}

.sec-head--center .sec-desc {
  margin-left: auto;
  margin-right: auto;
  max-width: 660px;
}

/* 金色分隔装饰 */
.rule-gold {
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-200));
  border-radius: 2px;
  margin-top: 26px;
}

.sec-head--center .rule-gold {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   4. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 30px;
  border-radius: var(--radius-s);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: all 0.28s var(--ease);
}

.btn svg {
  width: 15px;
  height: 15px;
  transition: transform 0.28s var(--ease);
}

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

.btn--primary {
  background: var(--navy-800);
  color: #fff;
  box-shadow: 0 8px 22px rgba(11, 37, 69, 0.22);
}

.btn--primary:hover {
  background: var(--navy-700);
  box-shadow: 0 12px 28px rgba(11, 37, 69, 0.3);
  transform: translateY(-2px);
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff;
  box-shadow: 0 8px 22px rgba(184, 147, 90, 0.28);
}

.btn--gold:hover {
  box-shadow: 0 12px 30px rgba(184, 147, 90, 0.38);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--line {
  border: 1px solid var(--line);
  color: var(--navy-800);
  background: #fff;
}

.btn--line:hover {
  border-color: var(--navy-800);
  background: var(--navy-800);
  color: #fff;
}

.btn--lg {
  height: 56px;
  padding: 0 38px;
  font-size: 15.5px;
}

/* 文字链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--navy-700);
  letter-spacing: 0.04em;
}

.link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform 0.28s var(--ease);
}

.link-arrow:hover {
  color: var(--gold-600);
}

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

/* --------------------------------------------------------------------------
   5. 顶部导航
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease),
    height 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

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

/* 透明态（叠在深色首屏上） */
.site-header.is-transparent {
  background: transparent;
}

.site-header.is-transparent .logo-name,
.site-header.is-transparent .logo-en,
.site-header.is-transparent .nav > li > a {
  color: #fff;
}

.site-header.is-transparent .nav > li > a::after {
  background: var(--gold-500);
}

.site-header.is-transparent .logo-mark {
  border-color: rgba(255, 255, 255, 0.35);
}

.site-header.is-transparent .burger span {
  background: #fff;
}

.site-header.is-transparent .header-tel .t-label {
  color: rgba(255, 255, 255, 0.6);
}

.site-header.is-transparent .header-tel .t-num {
  color: #fff;
}

/* 实底态（滚动后） */
.site-header.is-solid {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line-soft), 0 8px 28px rgba(11, 37, 69, 0.06);
  height: 68px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(11, 37, 69, 0.14);
  background: linear-gradient(140deg, var(--navy-800), var(--navy-600));
  display: grid;
  place-items: center;
  color: var(--gold-400);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 6px 16px rgba(11, 37, 69, 0.2);
  transition: border-color 0.3s var(--ease);
}

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

.logo-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--navy-900);
  letter-spacing: 0.04em;
  transition: color 0.3s var(--ease);
  white-space: nowrap;
}

.logo-en {
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-light);
  transition: color 0.3s var(--ease);
  white-space: nowrap;
}

/* 导航 */
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav > li > a {
  position: relative;
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  transition: color 0.25s var(--ease);
}

.nav > li > a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  background: var(--navy-800);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav > li > a:hover::after,
.nav > li > a.is-active::after {
  transform: scaleX(1);
}

.nav > li > a.is-active {
  color: var(--navy-900);
  font-weight: 600;
}

.site-header.is-transparent .nav > li > a.is-active {
  color: #fff;
}

/* 右上角联系方式 */
.header-tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
  flex-shrink: 0;
}

.header-tel .t-label {
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--muted-light);
  text-transform: uppercase;
  transition: color 0.3s var(--ease);
}

.header-tel .t-num {
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: 0.04em;
  transition: color 0.3s var(--ease);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* 汉堡按钮 */
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  position: relative;
}

.burger span {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--navy-900);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 25px; }

.burger.is-open span:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
  background: #fff;
}

.burger.is-open span:nth-child(2) {
  opacity: 0;
}

.burger.is-open span:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
  background: #fff;
}

/* 移动端抽屉 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 890;
  background: var(--navy-950);
  padding: calc(var(--header-h) + 30px) 32px 40px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease),
    visibility 0.32s;
}

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

.mobile-menu a.m-link {
  display: block;
  padding: 20px 0;
  font-size: 21px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.06em;
}

.mobile-menu a.m-link.is-active {
  color: var(--gold-400);
}

.mobile-foot {
  margin-top: auto;
  padding-top: 32px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13.5px;
  line-height: 2;
}

.mobile-foot strong {
  display: block;
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--gold-400);
  font-weight: 600;
  margin-bottom: 6px;
}

/* --------------------------------------------------------------------------
   6. 首屏 Hero（首页）
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: max(100vh, 720px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 72px) 0 176px;
  background: radial-gradient(
      120% 100% at 78% 12%,
      #17406E 0%,
      rgba(23, 64, 110, 0) 55%
    ),
    linear-gradient(155deg, #08192E 0%, #0B2545 46%, #061423 100%);
  overflow: hidden;
}

/* 细网格纹理 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(120% 90% at 30% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(
    120% 90% at 30% 40%,
    #000 20%,
    transparent 78%
  );
  pointer-events: none;
}

/* 光晕 */
.hero::after {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  right: -180px;
  top: -140px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(200, 169, 106, 0.16) 0%,
    rgba(200, 169, 106, 0) 68%
  );
  pointer-events: none;
}

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

.hero-inner {
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(200, 169, 106, 0.34);
  background: rgba(200, 169, 106, 0.08);
  color: var(--gold-400);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  margin-bottom: 32px;
}

.hero-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(200, 169, 106, 0.18);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(200, 169, 106, 0.18); }
  50% { box-shadow: 0 0 0 9px rgba(200, 169, 106, 0.02); }
}

.hero h1 {
  font-size: clamp(36px, 5.2vw, 62px);
  font-weight: 600;
  color: #fff;
  line-height: 1.22;
  letter-spacing: 0.015em;
}

.hero h1 .accent {
  background: linear-gradient(100deg, var(--gold-400) 10%, #F2E3C4 55%, var(--gold-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  margin-top: 28px;
  font-size: clamp(15.5px, 1.35vw, 17.5px);
  line-height: 2;
  color: rgba(255, 255, 255, 0.66);
  max-width: 660px;
}

.hero-actions {
  margin-top: 46px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Hero 底部数据条 */
.hero-stats {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(6, 20, 35, 0.5);
  backdrop-filter: blur(10px);
}

.hero-stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.hstat {
  padding: 30px 22px;
  position: relative;
  text-align: center;
}

.hstat + .hstat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30%;
  bottom: 30%;
  width: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.hstat .num {
  font-family: var(--font-num);
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.hstat .num em {
  font-style: normal;
  font-size: 0.56em;
  color: var(--gold-400);
  margin-left: 3px;
}

.hstat .lbl {
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   7. 内页页头
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 96px) 0 84px;
  background: linear-gradient(160deg, #08192E 0%, #0B2545 60%, #123A66 100%);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(100% 100% at 15% 30%, #000 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(
    100% 100% at 15% 30%,
    #000 10%,
    transparent 80%
  );
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -120px;
  bottom: -240px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(200, 169, 106, 0.18) 0%,
    rgba(200, 169, 106, 0) 66%
  );
}

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

.page-hero .eyebrow {
  color: var(--gold-400);
}

.page-hero h1 {
  font-size: clamp(30px, 4vw, 46px);
  color: #fff;
  letter-spacing: 0.03em;
}

.page-hero p {
  margin-top: 20px;
  max-width: 660px;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.6);
}

/* 面包屑 */
.crumb {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  letter-spacing: 0.04em;
}

.crumb a:hover {
  color: var(--gold-400);
}

.crumb span.sep {
  opacity: 0.5;
}

.crumb .cur {
  color: var(--gold-400);
}

/* --------------------------------------------------------------------------
   8. 卡片与栅格
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: 26px;
}

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

/* 优势卡 */
.feature {
  padding: 40px 32px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: transform 0.38s var(--ease), box-shadow 0.38s var(--ease),
    border-color 0.38s var(--ease);
}

.feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-200));
  transition: width 0.5s var(--ease);
}

.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-m);
  border-color: rgba(200, 169, 106, 0.32);
}

.feature:hover::before {
  width: 100%;
}

.feature .ic {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(11, 37, 69, 0.06), rgba(200, 169, 106, 0.14));
  color: var(--navy-700);
  margin-bottom: 24px;
  transition: all 0.38s var(--ease);
}

.feature:hover .ic {
  background: linear-gradient(140deg, var(--navy-800), var(--navy-600));
  color: var(--gold-400);
}

.feature .ic svg {
  width: 25px;
  height: 25px;
}

.feature h3 {
  font-size: 18.5px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.feature p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

.feature .idx {
  position: absolute;
  right: 22px;
  top: 18px;
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 600;
  color: rgba(11, 37, 69, 0.05);
  line-height: 1;
}

/* 业务板块卡 */
.biz-card {
  display: block;
  padding: 40px 34px 36px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease);
}

.biz-card::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 106, 0.14), transparent 70%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

.biz-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-l);
  border-color: transparent;
}

.biz-card:hover::after {
  opacity: 1;
}

.biz-card .ic {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--navy-900);
  color: var(--gold-400);
  margin-bottom: 26px;
  box-shadow: 0 10px 22px rgba(8, 25, 46, 0.22);
  transition: transform 0.4s var(--ease);
}

.biz-card:hover .ic {
  transform: translateY(-3px) rotate(-4deg);
}

.biz-card .ic svg {
  width: 26px;
  height: 26px;
}

.biz-card h3 {
  font-size: 19px;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.biz-card p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
  min-height: 82px;
}

.biz-card .tags {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.biz-card .tag {
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--line-soft);
  letter-spacing: 0.03em;
}

.biz-card .link-arrow {
  margin-top: 26px;
}

/* --------------------------------------------------------------------------
   9. 关于简介（左右分栏）
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 74px;
  align-items: center;
}

.split--wide-left {
  grid-template-columns: 1.08fr 0.92fr;
}

.about-copy .sec-title {
  margin-bottom: 24px;
}

.about-copy p {
  font-size: 15.5px;
  line-height: 2.05;
  color: var(--muted);
  margin-bottom: 18px;
}

.about-points {
  margin-top: 34px;
  display: grid;
  gap: 16px;
}

.apoint {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--bg-soft);
  border-radius: var(--radius-s);
  border-left: 3px solid var(--gold-500);
}

.apoint strong {
  display: block;
  font-size: 15.5px;
  color: var(--navy-900);
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.apoint span {
  font-size: 13.8px;
  color: var(--muted);
  line-height: 1.8;
}

/* 视觉图形块 */
.visual-panel {
  position: relative;
  border-radius: var(--radius-l);
  padding: 46px 42px;
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700));
  overflow: hidden;
  box-shadow: var(--shadow-l);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.visual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(90% 90% at 70% 20%, #000 5%, transparent 75%);
  -webkit-mask-image: radial-gradient(
    90% 90% at 70% 20%,
    #000 5%,
    transparent 75%
  );
}

.visual-panel::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -90px;
  bottom: -110px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(200, 169, 106, 0.22),
    transparent 68%
  );
}

.visual-panel > * {
  position: relative;
  z-index: 2;
}

.vp-top .vp-label {
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 16px;
}

.vp-top h3 {
  color: #fff;
  font-size: clamp(21px, 2.2vw, 27px);
  line-height: 1.5;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.vp-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 34px 0;
}

.vp-item {
  padding: 18px 20px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
}

.vp-item b {
  display: block;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 600;
  color: var(--gold-400);
  line-height: 1.2;
}

.vp-item span {
  font-size: 12.8px;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.08em;
}

.vp-foot {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.06em;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

/* --------------------------------------------------------------------------
   10. 数据成就条
   -------------------------------------------------------------------------- */
.stats-band {
  background: linear-gradient(145deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-l);
  padding: 62px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
  overflow: hidden;
}

.stats-band::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -140px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 106, 0.2), transparent 68%);
}

.stat-item {
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14%;
  bottom: 14%;
  width: 1px;
  background: rgba(255, 255, 255, 0.13);
}

.stat-item .num {
  font-family: var(--font-num);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 600;
  color: #fff;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.stat-item .num em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--gold-400);
  margin-left: 3px;
}

.stat-item .lbl {
  margin-top: 12px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.14em;
}

/* --------------------------------------------------------------------------
   11. CTA 行动条
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  padding: 78px 0;
  background: linear-gradient(135deg, #061423 0%, #0B2545 55%, #123A66 100%);
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(90% 140% at 85% 50%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(
    90% 140% at 85% 50%,
    #000 10%,
    transparent 78%
  );
}

.cta-band .wrap {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 2.8vw, 34px);
  letter-spacing: 0.03em;
}

.cta-band .sub {
  margin-top: 14px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

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

/* --------------------------------------------------------------------------
   12. 服务详述
   -------------------------------------------------------------------------- */
.svc-block {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 60px;
  padding: 56px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.svc-block:last-of-type {
  border-bottom: 1px solid var(--line);
}

.svc-aside {
  position: relative;
}

.svc-no {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  color: var(--gold-600);
  letter-spacing: 0.16em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.svc-no::after {
  content: "";
  flex: 1;
  max-width: 46px;
  height: 1px;
  background: var(--gold-500);
  opacity: 0.6;
}

.svc-aside h3 {
  font-size: 25px;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
  color: var(--navy-900);
}

.svc-aside p {
  font-size: 14.6px;
  line-height: 1.95;
  color: var(--muted);
}

.svc-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: var(--navy-900);
  color: var(--gold-400);
  display: grid;
  place-items: center;
  margin-bottom: 26px;
  box-shadow: 0 12px 26px rgba(8, 25, 46, 0.2);
}

.svc-icon svg {
  width: 28px;
  height: 28px;
}

.svc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.svc-list li {
  background: #fff;
  padding: 22px 24px;
  font-size: 14.6px;
  color: var(--ink-soft);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.75;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.svc-list li:hover {
  background: var(--bg-soft);
}

.svc-list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--gold-500);
}

/* --------------------------------------------------------------------------
   13. 流程
   -------------------------------------------------------------------------- */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: flow;
}

.flow-item {
  position: relative;
  padding: 38px 28px 32px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: all 0.36s var(--ease);
}

.flow-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-m);
  border-color: rgba(200, 169, 106, 0.35);
}

.flow-item .step {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gold-600);
  margin-bottom: 18px;
}

.flow-item h4 {
  font-size: 17px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.flow-item p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.flow-item::after {
  content: "";
  position: absolute;
  right: -19px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
}

.flow-item:last-child::after {
  display: none;
}

/* --------------------------------------------------------------------------
   14. 联系页
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: start;
}

.info-list {
  display: grid;
  gap: 0;
}

.info-item {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.info-item:first-child {
  border-top: 1px solid var(--line);
}

.info-item .ic {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  color: var(--navy-700);
  border: 1px solid var(--line-soft);
}

.info-item .ic svg {
  width: 21px;
  height: 21px;
}

.info-item .lbl {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--muted-light);
  text-transform: uppercase;
  margin-bottom: 7px;
}

.info-item .val {
  font-size: 16px;
  color: var(--navy-900);
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.info-item .val.small {
  font-size: 14.6px;
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1.85;
}

.info-item a.val:hover {
  color: var(--gold-600);
}

/* 表单 */
.form-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  padding: 44px 42px;
  box-shadow: var(--shadow-m);
}

.form-card h3 {
  font-size: 22px;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.form-card .fdesc {
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.85;
}

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

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 9px;
  letter-spacing: 0.05em;
}

.field label .req {
  color: #C0392B;
  margin-left: 3px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--bg-soft);
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  outline: none;
}

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

.field input::placeholder,
.field textarea::placeholder {
  color: var(--muted-light);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--navy-700);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(18, 58, 102, 0.07);
}

.field.has-error input,
.field.has-error textarea {
  border-color: #C0392B;
  background: #FDF6F5;
}

.field .err {
  display: none;
  margin-top: 7px;
  font-size: 12.5px;
  color: #C0392B;
}

.field.has-error .err {
  display: block;
}

.form-note {
  margin-top: 18px;
  font-size: 12.8px;
  color: var(--muted-light);
  line-height: 1.8;
}

.form-ok {
  display: none;
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--radius-s);
  background: #F2F7F3;
  border: 1px solid #CFE3D4;
  color: #2E6B45;
  font-size: 14.5px;
  line-height: 1.7;
}

.form-ok.is-show {
  display: block;
  animation: fadeUp 0.4s var(--ease);
}

/* 地图块 */
.map-card {
  margin-top: 26px;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700));
  padding: 46px 40px;
  position: relative;
  color: #fff;
}

.map-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.05) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(80% 100% at 80% 20%, #000 5%, transparent 75%);
  -webkit-mask-image: radial-gradient(
    80% 100% at 80% 20%,
    #000 5%,
    transparent 75%
  );
}

.map-card > * {
  position: relative;
  z-index: 2;
}

.map-card .m-label {
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 14px;
}

.map-card h4 {
  color: #fff;
  font-size: 19px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  margin-bottom: 26px;
  max-width: 520px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   15. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.6);
  padding-top: 76px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 169, 106, 0.5),
    transparent
  );
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 42px;
  padding-bottom: 56px;
}

.footer-brand .logo {
  margin-bottom: 22px;
}

.footer-brand .logo-name {
  color: #fff;
}

.footer-brand .logo-en {
  color: rgba(255, 255, 255, 0.42);
}

.footer-brand .logo-mark {
  border-color: rgba(255, 255, 255, 0.16);
}

.footer-brand p {
  font-size: 14px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.48);
  max-width: 320px;
}

.footer-col h5 {
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  font-weight: 600;
}

.footer-col li {
  margin-bottom: 14px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
}

.footer-col a:hover {
  color: var(--gold-400);
}

.footer-contact li {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
  display: flex;
  gap: 11px;
}

.footer-contact li svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--gold-500);
  opacity: 0.85;
}

.footer-contact li a:hover {
  color: var(--gold-400);
}

/* 备案信息条 */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 26px 0 30px;
}

.footer-bottom .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.beian-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.46);
}

.beian-row .sep-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

/* 备案号 —— 正式悬挂样式 */
.icp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(200, 169, 106, 0.28);
  background: rgba(200, 169, 106, 0.06);
  color: var(--gold-400) !important;
  font-size: 13px;
  letter-spacing: 0.06em;
  transition: all 0.28s var(--ease);
}

.icp-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.icp-link:hover {
  background: rgba(200, 169, 106, 0.16);
  border-color: rgba(200, 169, 106, 0.6);
  color: #F2E3C4 !important;
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.36);
  letter-spacing: 0.04em;
}

.disclaimer {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.28);
  line-height: 1.8;
  max-width: 860px;
}

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--navy-800);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(11, 37, 69, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.34s var(--ease);
  z-index: 800;
}

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

.to-top:hover {
  background: var(--gold-500);
  transform: translateY(-3px);
}

.to-top svg {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   16. 滚动入场动画
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   17. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav,
  .header-tel {
    display: none;
  }

  .burger {
    display: block;
  }

  .site-header.is-transparent .burger span {
    background: #fff;
  }

  .site-header.is-solid .burger span {
    background: var(--navy-900);
  }

  .site-header.is-transparent .logo-mark {
    border-color: rgba(255, 255, 255, 0.3);
  }

  .split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .split--wide-left {
    grid-template-columns: 1fr;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .flow-item::after {
    display: none;
  }

  .svc-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .hero-stats .wrap {
    grid-template-columns: repeat(2, 1fr);
  }

  .hstat:nth-child(3)::before,
  .hstat:nth-child(1)::before {
    display: none;
  }

  .hstat {
    padding: 22px 16px;
  }

  .hstat:nth-child(1),
  .hstat:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hero {
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0;
  }

  .hero-stats {
    position: static;
    margin-top: 68px;
  }

  .hero-stats .wrap {
    padding: 0 28px;
  }

  .section {
    padding: 76px 0;
  }

  .stats-band {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 0;
    padding: 46px 24px;
  }

  .stat-item:nth-child(3)::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 20px;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .svc-list {
    grid-template-columns: 1fr;
  }

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

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

  .form-card {
    padding: 32px 24px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .hero-stats .wrap {
    grid-template-columns: 1fr;
  }

  .hstat + .hstat::before {
    display: none;
  }

  .hstat:nth-child(3) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hstat {
    padding: 20px 16px;
  }

  .section {
    padding: 60px 0;
  }

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

  .stat-item + .stat-item::before {
    display: none;
  }

  .biz-card p {
    min-height: auto;
  }

  .visual-panel {
    padding: 34px 26px;
  }

  .vp-list {
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: 56px 0;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
  }

  .page-hero {
    padding: calc(var(--header-h) + 64px) 0 60px;
  }

  .to-top {
    right: 16px;
    bottom: 16px;
  }

  .map-card {
    padding: 32px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}