/* ==========================================================================
   北京三月雨文化传播责任有限公司 - 企业文化展馆建设 业务网站
   设计风格：明亮·大气·精美 — 暖白象牙底 + 香槟金 + 朱砂红点睛
   面向央国企 / 银行 / 党政单位
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 主色：明亮暖白 + 香槟金 */
  --gold: #B08D3C;
  --gold-light: #D4B47C;
  --gold-soft: #E8D9B0;
  --gold-glow: rgba(176, 141, 60, .12);

  /* 朱砂红：仅作点睛 */
  --red: #9B2C2C;
  --red-dark: #7A1F1F;
  --red-light: #C74545;

  /* 墨色 */
  --ink: #1A1A1A;
  --ink-soft: #3D3D3D;
  --ink-mute: #6B6B6B;

  /* 明亮纸张色 */
  --paper: #FBF8F1;
  --paper-2: #F4EEE0;
  --paper-3: #EFE7D5;
  --white: #FFFFFF;

  --gray-line: #ECE5D6;
  --gray-text: #8A8A8A;

  /* 字体 */
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;

  /* 系统 */
  --maxw: 1280px;
  --radius: 4px;
  --radius-lg: 10px;
  --shadow: 0 10px 36px rgba(31, 31, 31, .06);
  --shadow-md: 0 18px 50px rgba(31, 31, 31, .09);
  --shadow-lg: 0 28px 70px rgba(31, 31, 31, .12);
  --shadow-gold: 0 18px 50px rgba(176, 141, 60, .22);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  letter-spacing: .2px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s var(--ease); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--gold); color: var(--white); }

/* ---------- 通用容器 ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- 通用标题 ---------- */
.sec-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}
.sec-head .eyebrow {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--gold);
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 16px;
  position: relative;
  padding: 0 28px;
}
.sec-head .eyebrow::before,
.sec-head .eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 24px;
  height: 1px;
  background: var(--gold);
}
.sec-head .eyebrow::before { left: -4px; }
.sec-head .eyebrow::after { right: -4px; }
.sec-head h2 {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  display: inline-block;
  letter-spacing: 4px;
  line-height: 1.3;
}
.sec-head h2::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.sec-head p {
  color: var(--ink-mute);
  margin-top: 32px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 36px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2px;
  border-radius: var(--radius);
  transition: all .4s var(--ease-out);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, #9E7B30 100%);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(176, 141, 60, .28);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(176, 141, 60, .42);
}
.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, .65);
  color: var(--white);
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, .08);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}
.btn-ghost {
  border: 1.5px solid var(--gold);
  color: var(--gold);
  background: transparent;
}
.btn-ghost:hover {
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(176, 141, 60, .3);
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(6px); }

/* ==========================================================================
   顶部信息栏
   ========================================================================== */
.topbar {
  background: linear-gradient(90deg, #1A1A1A, #2A2520);
  color: rgba(255, 255, 255, .78);
  font-size: 11px;
  height: 34px;
  display: flex;
  align-items: center;
  letter-spacing: 0;
  overflow: hidden;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: nowrap;
  gap: 10px;
  padding-left: 24px;
  padding-right: 24px;
}
.topbar .tb-left { display: flex; gap: 10px; align-items: center; white-space: nowrap; flex-shrink: 0; }
.topbar .tb-left span { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.topbar .tb-right { display: flex; gap: 12px; align-items: center; white-space: nowrap; flex-shrink: 0; }
.topbar .tb-right span, .topbar .tb-right a { white-space: nowrap; transition: color .3s var(--ease); }
.topbar a:hover { color: var(--gold-light); }
.topbar .hot { color: var(--gold-light); font-weight: 600; letter-spacing: .5px; }

/* ==========================================================================
   导航
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 24px rgba(31, 31, 31, .05);
  transition: all .35s var(--ease);
  border-bottom: 1px solid rgba(176, 141, 60, .08);
}
.nav.scrolled { box-shadow: 0 8px 30px rgba(31, 31, 31, .11); }
body.menu-open { overflow: hidden; }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo .logo-mark {
  height: 54px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  filter: drop-shadow(0 4px 12px rgba(176, 141, 60, .18));
}
.logo .logo-mark img { height: 54px; width: auto; object-fit: contain; display: block; }
.logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo .logo-text .zh {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 4px;
}
.logo .logo-text .en {
  font-size: 10px;
  color: var(--gold);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 4px;
}

.nav-menu { display: flex; align-items: center; gap: 2px; flex-shrink: 0; flex-wrap: nowrap; }
.nav-menu > li { white-space: nowrap; flex-shrink: 0; }
.nav-menu > li > a {
  display: block;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  letter-spacing: 1px;
  white-space: nowrap;
  transition: color .3s var(--ease);
}
.nav-menu > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: all .35s var(--ease);
  transform: translateX(-50%);
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active { color: var(--gold); }
.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after { width: 26px; }
.nav-cta {
  margin-left: 14px;
  background: linear-gradient(135deg, var(--gold), #9E7B30) !important;
  color: var(--white) !important;
  padding: 11px 24px !important;
  border-radius: var(--radius);
  font-weight: 500;
  letter-spacing: 1px;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(176, 141, 60, .26);
}
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(176, 141, 60, .4); }

.menu-toggle { display: none; font-size: 26px; color: var(--ink); }

/* ==========================================================================
   首页 Banner 轮播
   ========================================================================== */
.banner { position: relative; height: 640px; overflow: hidden; background: var(--ink); }
.banner-track { position: relative; width: 100%; height: 100%; }
.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease-out);
  display: flex;
  align-items: center;
}
.banner-slide.active { opacity: 1; z-index: 2; }
.banner-slide .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  transition: transform 9s linear;
}
.banner-slide.active .bg { transform: scale(1); }
.banner-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20, 14, 8, .82) 0%, rgba(20, 14, 8, .5) 45%, rgba(20, 14, 8, .15) 100%);
}
.banner-slide .copy {
  position: relative;
  z-index: 3;
  color: var(--white);
  max-width: 760px;
  padding-left: 4%;
  animation: fadeUp 1s var(--ease-out) both;
}
.banner-slide.active .copy { animation-name: fadeUp; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}
.banner-slide .copy .tag {
  display: inline-block;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--gold-light);
  border: 1px solid rgba(212, 180, 124, .55);
  padding: 7px 22px;
  border-radius: 30px;
  margin-bottom: 28px;
  background: rgba(176, 141, 60, .08);
  backdrop-filter: blur(4px);
}
.banner-slide .copy h2 {
  font-family: var(--serif);
  font-size: 50px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 4px;
  margin-bottom: 24px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .45);
  white-space: nowrap;
}
.banner-slide .copy p {
  font-size: 16px;
  line-height: 2;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 38px;
  max-width: 540px;
  letter-spacing: 1px;
}
.banner-slide .copy .btn-row { display: flex; gap: 16px; }

/* 轮播控件 */
.banner-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 14px;
}
.banner-dots button {
  width: 38px; height: 3px;
  background: rgba(255, 255, 255, .35);
  border-radius: 2px;
  transition: all .35s var(--ease);
}
.banner-dots button.active {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  width: 64px;
  box-shadow: 0 0 12px rgba(176, 141, 60, .5);
}

.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
  color: var(--white);
  font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .25);
  transition: all .35s var(--ease);
}
.banner-arrow:hover {
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-50%) scale(1.08);
}
.banner-arrow.prev { left: 36px; }
.banner-arrow.next { right: 36px; }

/* ==========================================================================
   通用 section 间距
   ========================================================================== */
section { padding: 110px 0; }
.section-alt { background: var(--white); }
.section-cream { background: linear-gradient(180deg, var(--paper), var(--paper-2)); }
.section-dark {
  background: linear-gradient(135deg, #1A1A1A 0%, #2A2520 100%);
  color: rgba(255, 255, 255, .88);
}
.section-dark .sec-head h2 { color: var(--white); }
.section-dark .sec-head .eyebrow { color: var(--gold-light); }
.section-dark .sec-head p { color: rgba(255, 255, 255, .65); }

/* ==========================================================================
   首页业务入口与信任证据
   ========================================================================== */
.service-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.service-tile {
  position: relative;
  min-height: 260px;
  padding: 30px 26px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-line);
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s var(--ease-out);
}
.service-tile:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); border-color: var(--gold-soft); }
.service-tile .index {
  display: block;
  margin-bottom: 38px;
  font-family: var(--serif);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 3px;
}
.service-tile h3 { margin-bottom: 14px; font-family: var(--serif); font-size: 21px; line-height: 1.45; letter-spacing: 2px; }
.service-tile p { color: var(--ink-mute); font-size: 13px; line-height: 1.85; }
.service-tile .more { position: absolute; left: 26px; bottom: 24px; color: var(--red); font-size: 12px; letter-spacing: 2px; }
.service-tile::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gold-glow);
}

.trust-proof {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 48px;
  align-items: center;
}
.trust-proof .copy h2 { margin: 12px 0 18px; font-family: var(--serif); font-size: 34px; letter-spacing: 3px; line-height: 1.45; }
.trust-proof .copy p { color: var(--ink-mute); font-size: 14px; line-height: 1.9; }
.qualification-preview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.qualification-preview a { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--gray-line); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.qualification-preview a:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.qualification-preview .visual { height: 150px; display: flex; align-items: center; justify-content: center; padding: 16px; background: linear-gradient(145deg, #fff, #f8f2e7); }
.qualification-preview img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.qualification-preview span { display: flex; align-items: center; justify-content: center; min-height: 58px; padding: 10px; border-top: 1px solid var(--gray-line); text-align: center; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }

.insight-label { color: var(--red); font-size: 12px; letter-spacing: 2px; }
.news-card .body .insight-label { margin-bottom: 10px; }

/* ==========================================================================
   关于三月雨（首页简介）
   ========================================================================== */
.about-preview {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-preview .img-wrap { position: relative; }
.about-preview .img-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 460px;
  object-fit: cover;
}
.about-preview .img-wrap::before {
  content: "";
  position: absolute;
  top: -20px; left: -20px;
  width: 100px; height: 100px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  border-radius: 4px 0 0 0;
  opacity: .6;
}
.about-preview .img-wrap::after {
  content: "";
  position: absolute;
  bottom: -20px; right: -20px;
  width: 100px; height: 100px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  border-radius: 0 0 4px 0;
  opacity: .6;
}
.about-preview .img-wrap .badge {
  position: absolute;
  bottom: -28px;
  right: -28px;
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: var(--white);
  width: 160px; height: 160px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  box-shadow: var(--shadow-gold);
  border: 4px solid var(--white);
}
.about-preview .img-wrap .badge .num { font-size: 44px; font-weight: 700; line-height: 1; letter-spacing: 2px; }
.about-preview .img-wrap .badge .txt { font-size: 13px; margin-top: 8px; letter-spacing: 3px; }
.about-preview .text .eyebrow { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: 6px; text-transform: uppercase; }
.about-preview .text h2 {
  font-family: var(--serif);
  font-size: 38px;
  margin: 16px 0 28px;
  color: var(--ink);
  letter-spacing: 4px;
  line-height: 1.3;
}
.about-preview .text p { color: var(--ink-soft); margin-bottom: 20px; line-height: 1.95; }
.about-preview .text .highlights {
  display: flex;
  gap: 36px;
  margin: 32px 0 36px;
  padding: 26px 0;
  border-top: 1px solid var(--gray-line);
  border-bottom: 1px solid var(--gray-line);
}
.about-preview .text .highlights .item { text-align: left; }
.about-preview .text .highlights .item .v {
  font-family: var(--serif);
  font-size: 34px;
  color: var(--gold);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 2px;
}
.about-preview .text .highlights .item .l { font-size: 13px; color: var(--ink-mute); margin-top: 8px; letter-spacing: 2px; }

/* ==========================================================================
   企业文化专题部介绍
   ========================================================================== */
.dept-intro {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 70px;
  align-items: center;
}
.dept-intro .text .eyebrow { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: 6px; text-transform: uppercase; }
.dept-intro .text h2 {
  font-family: var(--serif);
  font-size: 38px;
  margin: 16px 0 28px;
  color: var(--ink);
  letter-spacing: 4px;
  line-height: 1.3;
}
.dept-intro .text > p { color: var(--ink-soft); margin-bottom: 20px; line-height: 1.95; }
.dept-intro .features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.dept-intro .features .f-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 24px;
  background: linear-gradient(135deg, var(--paper), var(--white));
  border-radius: var(--radius);
  border: 1px solid var(--gray-line);
  border-left: 3px solid var(--gold);
  transition: all .35s var(--ease-out);
}
.dept-intro .features .f-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--red);
  border-left-width: 4px;
}
.dept-intro .features .f-item .ico {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-family: var(--serif);
  box-shadow: 0 6px 16px rgba(176, 141, 60, .26);
}
.dept-intro .features .f-item h4 { font-size: 16px; margin-bottom: 6px; color: var(--ink); letter-spacing: 2px; }
.dept-intro .features .f-item p { font-size: 13px; color: var(--ink-mute); line-height: 1.7; }
.dept-intro .img-wrap { position: relative; }
.dept-intro .img-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 500px;
  object-fit: cover;
}

/* ==========================================================================
   数据统计 — 明亮渐变带
   ========================================================================== */
.stats {
  background: linear-gradient(135deg, #FBF6E8 0%, #F4E9C9 50%, #E8D9B0 100%);
  color: var(--ink);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 30%, rgba(176, 141, 60, .15), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(155, 44, 44, .08), transparent 40%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.stats-grid .stat { position: relative; padding: 12px 0; }
.stats-grid .stat::after {
  content: "";
  position: absolute;
  right: -15px; top: 20%;
  width: 1px; height: 60%;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
  opacity: .4;
}
.stats-grid .stat:last-child::after { display: none; }
.stats-grid .stat .num {
  font-family: var(--serif);
  font-size: 58px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--gold), #7A5E1F);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}
.stats-grid .stat .num .plus {
  font-size: 30px;
  background: linear-gradient(135deg, var(--red), var(--red-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stats-grid .stat .label {
  font-size: 15px;
  margin-top: 14px;
  color: var(--ink-soft);
  letter-spacing: 4px;
}

/* ==========================================================================
   经典案例预览（首页）
   ========================================================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .4s var(--ease-out);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-line);
}
.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-soft);
}
.news-card .thumb {
  overflow: hidden;
  height: 230px;
  position: relative;
}
.news-card .thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 26, .25));
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.news-card:hover .thumb::after { opacity: 1; }
.news-card .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.news-card:hover .thumb img { transform: scale(1.08); }
.news-card .body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.news-card .date {
  font-size: 13px;
  color: var(--gold);
  font-family: var(--serif);
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding-left: 14px;
  position: relative;
}
.news-card .date::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 1px;
  background: var(--gold);
}
.news-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.55;
  letter-spacing: 1px;
  transition: color .3s var(--ease);
}
.news-card:hover h3 { color: var(--gold); }
.news-card p {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.8;
  flex: 1;
}
.news-card .more {
  margin-top: 18px;
  font-size: 13px;
  color: var(--gold);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 2px;
  transition: gap .3s var(--ease);
}
.news-card:hover .more { gap: 12px; }

/* ==========================================================================
   行政组织架构
   ========================================================================== */
.org-img-wrap {
  max-width: 1140px;
  margin: 0 auto;
  text-align: center;
}
.org-img-wrap img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-line);
  background: var(--white);
  padding: 8px;
}
.org-img-wrap .org-zoom-tip {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  color: var(--ink-mute);
  text-decoration: none;
  padding: 8px 24px;
  border: 1px solid var(--gray-line);
  border-radius: 30px;
  letter-spacing: 2px;
  transition: all .3s var(--ease);
}
.org-img-wrap .org-zoom-tip:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: var(--gold-glow);
}

/* ==========================================================================
   办公环境图（首页简版）
   ========================================================================== */
.office-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.office-grid .office-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  cursor: pointer;
}
.office-grid .office-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.office-grid .office-item:hover img { transform: scale(1.1); }
.office-grid .office-item .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 50px 24px 20px;
  background: linear-gradient(transparent, rgba(26, 26, 26, .82));
  color: var(--white);
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 3px;
}
.office-grid .office-item.featured { grid-column: span 2; grid-row: span 2; }
.office-grid .office-item.featured img { height: 100%; min-height: 584px; }

/* ==========================================================================
   企业资质
   ========================================================================== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-card {
  display: block;
  text-decoration: none;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-line);
  transition: all .4s var(--ease-out);
}
.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.cert-img {
  height: 230px;
  background: linear-gradient(135deg, var(--paper), var(--paper-2));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: hidden;
  position: relative;
}
.cert-img::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--gold-soft);
  border-radius: 4px;
  opacity: .4;
  pointer-events: none;
}
.cert-img img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform .6s var(--ease-out);
  position: relative;
  z-index: 1;
}
.cert-card:hover .cert-img img { transform: scale(1.06); }
.cert-name {
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: center;
  border-top: 1px solid var(--gray-line);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 50px;
  letter-spacing: .5px;
}

/* ==========================================================================
   资讯列表页
   ========================================================================== */
.news-page-grid { display: grid; grid-template-columns: 1fr 320px; gap: 50px; align-items: start; }
.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-list-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-line);
  transition: all .4s var(--ease-out);
}
.news-list-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-soft);
}
.news-list-item .thumb { overflow: hidden; }
.news-list-item .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  min-height: 170px;
  transition: transform .8s var(--ease-out);
}
.news-list-item:hover .thumb img { transform: scale(1.08); }
.news-list-item .body { padding: 26px 28px 26px 0; }
.news-list-item .body .meta { display: flex; gap: 16px; align-items: center; margin-bottom: 12px; }
.news-list-item .body .meta .cat {
  font-size: 12px;
  color: var(--white);
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  padding: 4px 14px;
  border-radius: 30px;
  letter-spacing: 2px;
}
.news-list-item .body .meta .date { font-size: 13px; color: var(--ink-mute); letter-spacing: 1px; }
.news-list-item .body h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
  transition: color .3s var(--ease);
  letter-spacing: 1px;
  line-height: 1.5;
}
.news-list-item:hover .body h3 { color: var(--gold); }
.news-list-item .body p { font-size: 14px; color: var(--ink-mute); line-height: 1.8; }

.news-sidebar .widget {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
  border: 1px solid var(--gray-line);
}
.news-sidebar .widget h4 {
  font-family: var(--serif);
  font-size: 20px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--paper-2);
  position: relative;
  letter-spacing: 3px;
  color: var(--ink);
}
.news-sidebar .widget h4::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0;
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}
.news-sidebar .cat-list li { margin-bottom: 6px; }
.news-sidebar .cat-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--ink-soft);
  transition: all .3s var(--ease);
  letter-spacing: 1px;
}
.news-sidebar .cat-list li a:hover,
.news-sidebar .cat-list li a.active {
  background: linear-gradient(135deg, var(--gold-glow), transparent);
  color: var(--gold);
  padding-left: 22px;
}
.news-sidebar .cat-list li a .count { font-size: 13px; color: var(--gray-text); }
.news-sidebar .hot-list li { display: flex; gap: 14px; margin-bottom: 18px; }
.news-sidebar .hot-list li .rank {
  flex-shrink: 0;
  width: 26px; height: 26px;
  background: var(--paper-2);
  color: var(--ink-mute);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  transition: all .3s var(--ease);
}
.news-sidebar .hot-list li:nth-child(1) .rank { background: linear-gradient(135deg, var(--gold), #9E7B30); color: var(--white); }
.news-sidebar .hot-list li:nth-child(2) .rank { background: linear-gradient(135deg, var(--red), var(--red-light)); color: var(--white); }
.news-sidebar .hot-list li:nth-child(3) .rank { background: linear-gradient(135deg, #8A8A8A, #5C5C5C); color: var(--white); }
.news-sidebar .hot-list li a { font-size: 14px; color: var(--ink-soft); line-height: 1.6; transition: color .3s var(--ease); }
.news-sidebar .hot-list li a:hover { color: var(--gold); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 50px; }
.pagination a {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
  transition: all .3s var(--ease);
  background: var(--white);
}
.pagination a:hover, .pagination a.active {
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: var(--white);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(176, 141, 60, .3);
}

/* ==========================================================================
   联系 CTA
   ========================================================================== */
.cta-band {
  background:
    linear-gradient(135deg, rgba(26, 26, 26, .9), rgba(42, 37, 32, .9)),
    radial-gradient(circle at 20% 50%, rgba(176, 141, 60, .2), transparent 50%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 30%, rgba(176, 141, 60, .12), transparent 40%);
}
.cta-band .inner { position: relative; z-index: 2; }
.cta-band h2 {
  font-family: var(--serif);
  font-size: 40px;
  margin-bottom: 18px;
  letter-spacing: 4px;
  background: linear-gradient(135deg, #FFF, var(--gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-band p { font-size: 17px; color: rgba(255, 255, 255, .72); margin-bottom: 36px; letter-spacing: 1px; }
.cta-band .phone-big {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-light), #F0D894);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 6px;
  margin-bottom: 32px;
  text-shadow: 0 4px 30px rgba(176, 141, 60, .3);
}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer {
  background: linear-gradient(180deg, #161616 0%, #0E0E0E 100%);
  color: rgba(255, 255, 255, .6);
  padding: 80px 0 0;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 56px;
  padding-bottom: 56px;
}
.footer .f-brand .logo { margin-bottom: 24px; }
.footer .f-brand .logo .logo-text .zh { color: var(--white); }
.footer .f-brand .logo .logo-text .en { color: var(--gold-light); }
.footer .f-brand p { font-size: 14px; line-height: 1.95; color: rgba(255, 255, 255, .5); }
.footer h5 {
  font-family: var(--serif);
  color: var(--white);
  font-size: 17px;
  margin-bottom: 22px;
  letter-spacing: 3px;
  position: relative;
  padding-bottom: 14px;
}
.footer h5::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 32px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.footer .f-links li { margin-bottom: 14px; }
.footer .f-links li a { font-size: 14px; color: rgba(255, 255, 255, .55); transition: all .3s var(--ease); letter-spacing: 1px; }
.footer .f-links li a:hover { color: var(--gold-light); padding-left: 6px; }
.footer .f-contact li {
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255, 255, 255, .55);
  line-height: 1.7;
}
.footer .f-contact li .ico { color: var(--gold); flex-shrink: 0; margin-top: 4px; }
.footer .f-contact .phone {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--gold-light);
  font-weight: 700;
  letter-spacing: 2px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 26px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .35);
  letter-spacing: 1px;
}

/* ==========================================================================
   内页通用 banner — 明亮大气
   ========================================================================== */
.page-banner {
  height: 360px;
  background:
    linear-gradient(135deg, rgba(26, 26, 26, .88), rgba(42, 37, 32, .82)),
    radial-gradient(circle at 30% 50%, rgba(176, 141, 60, .35), transparent 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 30%, rgba(176, 141, 60, .18), transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(155, 44, 44, .12), transparent 50%);
}
.page-banner::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.page-banner .inner { position: relative; z-index: 2; color: var(--white); }
.page-banner h1 {
  font-family: var(--serif);
  font-size: 48px;
  letter-spacing: 8px;
  margin-bottom: 16px;
  font-weight: 700;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .4);
}
.page-banner .crumbs { font-size: 14px; color: rgba(255, 255, 255, .65); letter-spacing: 2px; }
.page-banner .crumbs a:hover { color: var(--gold-light); }

/* ==========================================================================
   案例展示页 (cases.html)
   ========================================================================== */
.case-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 50px;
}
.case-filters button {
  padding: 12px 30px;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: 30px;
  transition: all .35s var(--ease);
  font-family: var(--sans);
}
.case-filters button:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-glow);
}
.case-filters button.active {
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: var(--white);
  border-color: var(--gold);
  box-shadow: 0 6px 18px rgba(176, 141, 60, .32);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-line);
  transition: all .4s var(--ease-out);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-soft);
}
.case-card .thumb {
  position: relative;
  overflow: hidden;
  height: 240px;
}
.case-card .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.case-card:hover .thumb img { transform: scale(1.08); }
.case-card .thumb .tag {
  position: absolute;
  top: 16px; left: 16px;
  font-size: 12px;
  color: var(--white);
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  padding: 5px 16px;
  border-radius: 30px;
  letter-spacing: 2px;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(176, 141, 60, .3);
}
.case-card .body {
  padding: 28px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.case-card .body h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.5;
  letter-spacing: 2px;
  transition: color .3s var(--ease);
}
.case-card:hover .body h3 { color: var(--gold); }
.case-card .body p {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.85;
  flex: 1;
}
.case-card .body .meta {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--gray-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 1px;
}
.case-card .body .meta .cat-text { color: var(--gold); font-weight: 500; }

/* ==========================================================================
   关于我们页 (about.html) — 专用组件
   ========================================================================== */
/* 企业简介块 */
.intro-block {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 0;
}
.intro-block.reverse { grid-template-columns: 1.05fr 1fr; }
.intro-block.reverse .img-wrap { order: 2; }
.intro-block.reverse .text { order: 1; }
.intro-block .img-wrap { position: relative; }
.intro-block .img-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.intro-block .img-wrap::before {
  content: "";
  position: absolute;
  top: -16px; left: -16px;
  width: 90px; height: 90px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  opacity: .5;
}
.intro-block .img-wrap::after {
  content: "";
  position: absolute;
  bottom: -16px; right: -16px;
  width: 90px; height: 90px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  opacity: .5;
}
.intro-block .text .eyebrow { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: 6px; text-transform: uppercase; }
.intro-block .text h2 {
  font-family: var(--serif);
  font-size: 36px;
  margin: 16px 0 24px;
  color: var(--ink);
  letter-spacing: 4px;
  line-height: 1.3;
}
.intro-block .text p { color: var(--ink-soft); margin-bottom: 18px; line-height: 1.95; font-size: 15px; }

/* 企业理念卡片 */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.philosophy-grid .p-card {
  text-align: center;
  padding: 48px 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-line);
  position: relative;
  transition: all .4s var(--ease-out);
  overflow: hidden;
}
.philosophy-grid .p-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform .4s var(--ease);
}
.philosophy-grid .p-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-soft);
}
.philosophy-grid .p-card:hover::before { transform: scaleX(1); }
.philosophy-grid .p-card .ico {
  width: 80px; height: 80px;
  margin: 0 auto 26px;
  background: linear-gradient(135deg, var(--gold-glow), transparent);
  border: 2px solid var(--gold);
  color: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-family: var(--serif);
  font-weight: 700;
  transition: all .4s var(--ease);
}
.philosophy-grid .p-card:hover .ico {
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: var(--white);
  transform: rotate(360deg);
}
.philosophy-grid .p-card h4 {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: 4px;
}
.philosophy-grid .p-card p { font-size: 14px; color: var(--ink-mute); line-height: 1.85; }

/* 企业文化专题部详情 */
.dept-detail .intro-block { margin-bottom: 50px; }
.dept-features-full {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.dept-features-full .df-card {
  padding: 36px 28px;
  background: linear-gradient(180deg, var(--white), var(--paper));
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-line);
  position: relative;
  transition: all .4s var(--ease-out);
}
.dept-features-full .df-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.dept-features-full .df-card .num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold), #7A5E1F);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.dept-features-full .df-card h4 {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.dept-features-full .df-card p { font-size: 13px; color: var(--ink-mute); line-height: 1.8; }

/* 发展历程时间线 */
.timeline {
  position: relative;
  padding: 20px 0;
  max-width: 960px;
  margin: 0 auto;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--gold) 10%, var(--gold) 90%, transparent);
}
.timeline .t-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: center;
  margin-bottom: 50px;
}
.timeline .t-item:last-child { margin-bottom: 0; }
.timeline .t-content { padding: 0 30px; }
.timeline .t-content h4 {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: 3px;
}
.timeline .t-content p { font-size: 14px; color: var(--ink-mute); line-height: 1.85; }
.timeline .t-content.t-left { text-align: right; }
.timeline .t-content.t-right { text-align: left; }
.timeline .t-dot {
  width: 18px; height: 18px;
  background: var(--white);
  border: 3px solid var(--gold);
  border-radius: 50%;
  justify-self: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 6px rgba(176, 141, 60, .12);
  transition: all .35s var(--ease);
}
.timeline .t-item:hover .t-dot {
  background: var(--gold);
  box-shadow: 0 0 0 10px rgba(176, 141, 60, .18);
}
.timeline .t-left, .timeline .t-right { min-height: 1px; }

/* 完整画廊 */
.gallery-full {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 20px;
}
.gallery-full .g-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  cursor: pointer;
}
.gallery-full .g-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.gallery-full .g-item:hover img { transform: scale(1.1); }
.gallery-full .g-item .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 50px 24px 20px;
  background: linear-gradient(transparent, rgba(26, 26, 26, .82));
  color: var(--white);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 3px;
}
.gallery-full .g-item.wide { grid-column: span 2; }

/* ==========================================================================
   信任客户滚动带
   ========================================================================== */
.clients-strip {
  background: var(--white);
  border-top: 1px solid var(--gray-line);
  border-bottom: 1px solid var(--gray-line);
  overflow: hidden;
}
.clients-head {
  text-align: center;
  margin-bottom: 32px;
}
.clients-head .eyebrow {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.clients-head h3 {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--ink);
  letter-spacing: 4px;
  margin-bottom: 10px;
  font-weight: 700;
}
.clients-head p {
  font-size: 14px;
  color: var(--ink-mute);
  letter-spacing: 2px;
}
.clients-marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.clients-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: clients-scroll 40s linear infinite;
}
.clients-track:hover { animation-play-state: paused; }
.clients-track .c-item {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink-soft);
  letter-spacing: 4px;
  font-weight: 600;
  padding: 12px 0;
  position: relative;
  white-space: nowrap;
  transition: color .3s var(--ease);
  cursor: default;
}
.clients-track .c-item::after {
  content: "·";
  position: absolute;
  right: -28px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 14px;
}
.clients-track .c-item:last-child::after { display: none; }
.clients-track .c-item:hover { color: var(--gold); }
@keyframes clients-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   滚动入场动画
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: all 1s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: .12s; }
.reveal.delay-2 { transition-delay: .24s; }
.reveal.delay-3 { transition-delay: .36s; }
.reveal.delay-4 { transition-delay: .48s; }

/* ==========================================================================
   返回顶部
   ========================================================================== */
.back-top {
  position: fixed;
  right: 32px; bottom: 32px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #9E7B30);
  color: #fff;
  font-size: 20px;
  box-shadow: 0 8px 24px rgba(176, 141, 60, .4);
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: all .35s var(--ease);
}
.back-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(176, 141, 60, .55);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .about-preview, .dept-intro, .intro-block, .intro-block.reverse {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .intro-block.reverse .img-wrap, .intro-block.reverse .text { order: initial; }
  .office-grid { grid-template-columns: repeat(2, 1fr); }
  .office-grid .office-item.featured { grid-column: span 2; grid-row: auto; }
  .office-grid .office-item.featured img { min-height: 280px; }
  .news-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .news-page-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .stats-grid .stat::after { display: none; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 24px; }
  .dept-features-full { grid-template-columns: repeat(2, 1fr); }
  .gallery-full { grid-template-columns: repeat(2, 1fr); }
  .gallery-full .g-item.wide { grid-column: span 2; }
  .timeline::before { left: 30px; }
  .timeline .t-item { grid-template-columns: 50px 1fr; }
  .timeline .t-content.t-left, .timeline .t-content.t-right { text-align: left; padding: 0 0 0 30px; }
  .timeline .t-dot { justify-self: start; }
  .service-overview { grid-template-columns: repeat(2, 1fr); }
  .trust-proof { grid-template-columns: 1fr; }
}

@media (max-width: 1100px) {
  .topbar { display: none; }
  .nav-menu {
    position: fixed;
    top: 84px;
    right: 0;
    width: 80%;
    max-width: 360px;
    height: calc(100vh - 84px);
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 28px;
    gap: 0;
    transform: none;
    clip-path: inset(0 0 0 100%);
    opacity: 0;
    pointer-events: none;
    transition: clip-path .35s var(--ease), opacity .2s var(--ease);
    box-shadow: -8px 0 30px rgba(0, 0, 0, .12);
    overflow-y: auto;
  }
  .nav-menu.open { clip-path: inset(0); opacity: 1; pointer-events: auto; }
  .nav-menu > li > a { padding: 16px 12px; border-bottom: 1px solid var(--paper-2); }
  .nav-cta { margin: 18px 0 0; text-align: center; }
  .menu-toggle { display: block; }
  body.menu-open::before { content: ""; position: fixed; inset: 84px 0 0; z-index: 99; background: rgba(20, 15, 13, .45); backdrop-filter: blur(2px); }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  section { padding: 70px 0; }
  .sec-head h2 { font-size: 30px; letter-spacing: 2px; }
  .sec-head { margin-bottom: 44px; }
  .topbar { display: none; }
  .nav-menu {
    position: fixed;
    top: 84px; right: 0;
    width: 80%; max-width: 340px;
    height: calc(100vh - 84px);
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 28px;
    gap: 0;
    transform: none;
    clip-path: inset(0 0 0 100%);
    opacity: 0;
    pointer-events: none;
    transition: clip-path .35s var(--ease), opacity .2s var(--ease);
    box-shadow: -8px 0 30px rgba(0, 0, 0, .12);
    overflow-y: auto;
  }
  .nav-menu.open { clip-path: inset(0); opacity: 1; pointer-events: auto; }
  body.menu-open::before {
    content: "";
    position: fixed;
    inset: 84px 0 0;
    z-index: 99;
    background: rgba(20, 15, 13, .45);
    backdrop-filter: blur(2px);
  }
  .nav-menu > li > a { padding: 18px 12px; border-bottom: 1px solid var(--paper-2); }
  .nav-cta { margin: 18px 0 0; text-align: center; }
  .menu-toggle { display: block; }
  .banner { height: 480px; }
  .banner-slide .copy { padding-left: 6%; max-width: 92%; }
  .banner-slide .copy h2 { font-size: 28px; letter-spacing: 2px; white-space: normal; line-height: 1.35; }
  .banner-slide .copy p { font-size: 15px; }
  .banner-slide .copy .tag { font-size: 12px; letter-spacing: 4px; }
  .banner-arrow { display: none; }
  .about-preview .text h2, .dept-intro .text h2, .intro-block .text h2 { font-size: 26px; letter-spacing: 2px; }
  .about-preview .img-wrap .badge { width: 120px; height: 120px; bottom: -20px; right: -10px; }
  .about-preview .img-wrap .badge .num { font-size: 32px; }
  .dept-intro .features { grid-template-columns: 1fr; }
  .office-grid { grid-template-columns: 1fr; }
  .news-grid, .case-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .cert-img { height: 180px; }
  .news-list-item { grid-template-columns: 1fr; }
  .news-list-item .body { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-band h2, .page-banner h1 { font-size: 30px; letter-spacing: 4px; }
  .cta-band .phone-big { font-size: 38px; letter-spacing: 4px; }
  .stats-grid .stat .num { font-size: 44px; }
  .dept-features-full { grid-template-columns: 1fr; }
  .gallery-full { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .gallery-full .g-item.wide { grid-column: span 1; }
  .case-filters button { padding: 10px 20px; font-size: 13px; }
  .back-top { right: 20px; bottom: 20px; width: 44px; height: 44px; }
  .service-overview { grid-template-columns: 1fr; }
  .service-tile { min-height: 230px; }
  .qualification-preview { grid-template-columns: repeat(2, 1fr); }
  .trust-proof .copy h2 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}