/* ============================================================
   澜影数字 · 三维动画制作公司官网
   全站共享样式表（首页 + 后续所有子页面共用）
   配色：深海军蓝 + 香槟金，高雅圆润、创意审美
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 主色板 */
  --navy:        #06162d;   /* 深海军蓝 · 主深色 */
  --navy-2:      #0b2140;   /* 次深蓝 */
  --navy-3:      #123058;   /* 亮海军蓝 */
  --gold:        #c9a227;   /* 香槟金 · 强调色 */
  --gold-light:  #e6c86a;   /* 浅金 */
  --cream:       #f7f5f0;   /* 暖米白 · 浅底 */
  --white:       #ffffff;
  --ink:         #1d222d;   /* 正文深色 */
  --gray:        #6b7280;   /* 次要文字 */
  --gray-light:  #aab4c4;   /* 深底上的次要文字 */
  --line:        rgba(6, 22, 45, .1);
  --line-light:  rgba(255, 255, 255, .14);

  /* 圆润体系 */
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 32px;
  --r-xl: 48px;
  --r-pill: 999px;

  /* 版式 */
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --container: 1680px;      /* 主题最大宽度：与 banner 内容对齐 */
  --pad-x: 48px;

  /* 动效 */
  --ease: cubic-bezier(.22, .8, .32, 1);
  --dur: .5s;

  /* 阴影 */
  --shadow-soft: 0 24px 60px -24px rgba(6, 22, 45, .28);
  --shadow-card: 0 16px 44px -18px rgba(6, 22, 45, .22);
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-cn);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s var(--ease); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
::selection { background: var(--gold); color: var(--navy); }

/* 细滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--navy-3); border-radius: var(--r-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ---------- 3. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
.section { padding: 110px 0; position: relative; }
.section--dark { background: var(--navy); color: var(--white); }
.section--cream { background: var(--cream); }

/* 板块标题组：拉丁小标 + 中文大标 + 描述 */
.sec-head { margin-bottom: 64px; }
.sec-head--center { text-align: center; }
.sec-head__label {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 13px; letter-spacing: .42em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 18px;
}
.sec-head__label::before {
  content: ""; width: 42px; height: 1px; background: var(--gold); display: inline-block;
}
.sec-head--center .sec-head__label::after {
  content: ""; width: 42px; height: 1px; background: var(--gold); display: inline-block;
}
.sec-head__title {
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.22; font-weight: 700; letter-spacing: .02em;
}
.sec-head__title em { font-style: normal; color: var(--gold); }
.sec-head__desc { margin-top: 18px; color: var(--gray); max-width: 640px; font-size: 17px; }
.sec-head--center .sec-head__desc { margin-left: auto; margin-right: auto; }
.section--dark .sec-head__desc { color: var(--gray-light); }

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 38px; border-radius: var(--r-pill);
  font-size: 15px; font-weight: 600; letter-spacing: .12em;
  position: relative; overflow: hidden; isolation: isolate;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), color .35s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--gold); border-radius: inherit;
  transform: scaleX(0); transform-origin: left;
  transition: transform .45s var(--ease);
}
.btn:hover::before { transform: scaleX(1); }
.btn:hover { transform: translateY(-3px); }
.btn i { transition: transform .35s var(--ease); }
.btn:hover i { transform: translateX(5px); }

.btn--gold { background: var(--gold); color: var(--navy); box-shadow: 0 14px 34px -12px rgba(201, 162, 39, .55); }
.btn--gold::before { background: var(--white); }
.btn--gold:hover { color: var(--navy); }

.btn--ghost { border: 1px solid rgba(255,255,255,.45); color: var(--white); }
.btn--ghost:hover { color: var(--navy); border-color: var(--gold); }

.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { color: var(--navy); }

/* 文字链按钮 */
.link-more {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: .18em; color: var(--gold);
}
.link-more i {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid currentColor; display: inline-flex;
  align-items: center; justify-content: center; font-size: 12px;
  transition: all .35s var(--ease);
}
.link-more:hover i { background: var(--gold); border-color: var(--gold); color: var(--navy); transform: rotate(-45deg); }

/* ============================================================
   5. 导航（全站共用）
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background .45s var(--ease), box-shadow .45s var(--ease), padding .45s var(--ease);
  padding: 22px 0;
}
/* 滚动后出现的背景 */
.site-header.is-scrolled {
  background: rgba(6, 22, 45, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 40px -12px rgba(0, 0, 0, .45);
  padding: 12px 0;
}
/* 内页（无通栏banner的页面）可直接加 .site-header--solid 常驻背景 */
.site-header--solid {
  background: rgba(6, 22, 45, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 12px 0;
}

.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}

/* Logo */
.nav__logo { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav__logo-mark {
  width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); font-size: 20px; font-weight: 800;
  box-shadow: 0 10px 24px -8px rgba(201, 162, 39, .6);
  transform: rotate(-6deg);
  transition: transform .4s var(--ease);
}
.nav__logo:hover .nav__logo-mark { transform: rotate(6deg) scale(1.06); }
.nav__logo-text { line-height: 1.25; color: var(--white); }
.nav__logo-text strong { font-size: 21px; letter-spacing: .14em; display: block; font-weight: 700; }
.nav__logo-text span { font-size: 10px; letter-spacing: .3em; color: var(--gold-light); text-transform: uppercase; }

/* 栏目 */
.nav__menu { display: flex; align-items: center; gap: 6px; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 12px 18px; color: rgba(255,255,255,.88);
  font-size: 15.5px; letter-spacing: .06em; border-radius: var(--r-pill);
  position: relative; transition: color .3s var(--ease), background .3s var(--ease);
}
.nav__link i { font-size: 10px; transition: transform .3s var(--ease); }
.nav__link::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 6px;
  height: 2px; border-radius: 2px; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav__link:hover, .nav__item.is-active > .nav__link { color: var(--gold-light); }
.nav__link:hover::after, .nav__item.is-active > .nav__link::after { transform: scaleX(1); }
.nav__item:hover .nav__link i { transform: rotate(180deg); }

/* 下拉区块 */
.nav__drop {
  position: absolute; top: calc(100% + 14px); left: 50%;
  transform: translate(-50%, 12px);
  min-width: 560px;
  background: rgba(9, 26, 51, .97);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--line-light);
  border-radius: var(--r-md);
  padding: 26px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all .38s var(--ease);
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.6);
}
.nav__item:hover .nav__drop,
.nav__item:focus-within .nav__drop {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translate(-50%, 0);
}
.nav__drop::before {
  content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px;
}
.nav__drop-title {
  font-size: 12px; letter-spacing: .34em; color: var(--gold);
  text-transform: uppercase; margin-bottom: 16px; padding-left: 4px;
}
.nav__drop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.nav__drop-link {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px; border-radius: var(--r-sm);
  color: rgba(255,255,255,.85); transition: all .3s var(--ease);
}
.nav__drop-link .ico {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  background: rgba(201, 162, 39, .14); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center; font-size: 15px;
  transition: all .3s var(--ease);
}
.nav__drop-link small { display: block; font-size: 11px; color: var(--gray-light); letter-spacing: .04em; }
.nav__drop-link:hover { background: rgba(201, 162, 39, .12); color: var(--white); transform: translateX(4px); }
.nav__drop-link:hover .ico { background: var(--gold); color: var(--navy); }
/* 窄下拉（两个子栏目时） */
.nav__drop--narrow { min-width: 300px; }
.nav__drop--narrow .nav__drop-grid { grid-template-columns: 1fr; }

/* 电话 */
.nav__tel {
  display: flex; align-items: center; gap: 12px; flex-shrink: 0;
  color: var(--white);
}
.nav__tel-ico {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-light); font-size: 15px;
  transition: all .35s var(--ease);
  animation: telPulse 2.6s infinite;
}
@keyframes telPulse {
  0%   { box-shadow: 0 0 0 0 rgba(201, 162, 39, .45); }
  70%  { box-shadow: 0 0 0 12px rgba(201, 162, 39, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 162, 39, 0); }
}
.nav__tel:hover .nav__tel-ico { background: var(--gold); color: var(--navy); border-color: var(--gold); animation: none; }
.nav__tel-num { line-height: 1.3; }
.nav__tel-num small { display: block; font-size: 10px; letter-spacing: .24em; color: var(--gray-light); }
.nav__tel-num strong { font-size: 19px; letter-spacing: .04em; font-weight: 700; }

/* 移动端汉堡 */
.nav__burger {
  display: none; width: 46px; height: 46px; border-radius: 14px;
  border: 1px solid rgba(255,255,255,.3); color: var(--white);
  font-size: 18px; align-items: center; justify-content: center;
  transition: all .3s var(--ease); z-index: 1002;
}
.nav__burger:hover { border-color: var(--gold); color: var(--gold-light); }

/* 移动端抽屉菜单 */
.mobile-menu {
  position: fixed; inset: 0; z-index: 1001;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  padding: 110px 34px 48px;
  transform: translateX(100%);
  transition: transform .5s var(--ease);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 17px 6px; color: var(--white); font-size: 19px; letter-spacing: .08em;
  border-bottom: 1px solid var(--line-light);
}
.mobile-menu__link i { font-size: 12px; color: var(--gold); transition: transform .3s var(--ease); }
.mobile-menu__sub { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.mobile-menu__item.is-open .mobile-menu__sub { max-height: 400px; }
.mobile-menu__item.is-open > .mobile-menu__link i { transform: rotate(180deg); }
.mobile-menu__sub a {
  display: block; padding: 12px 22px; color: var(--gray-light); font-size: 15.5px;
}
.mobile-menu__sub a::before { content: "—"; color: var(--gold); margin-right: 10px; }
.mobile-menu__tel {
  margin-top: 34px; display: flex; align-items: center; gap: 14px;
  color: var(--gold-light); font-size: 22px; font-weight: 700;
}
.menu-mask {
  position: fixed; inset: 0; z-index: 1000; background: rgba(3, 10, 22, .55);
  opacity: 0; visibility: hidden; transition: all .4s var(--ease);
}
.menu-mask.is-open { opacity: 1; visibility: visible; }

/* ============================================================
   6. Banner 轮播（首页）
   ============================================================ */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  background: var(--navy); overflow: hidden;
}
.hero__slides, .hero__slide { position: absolute; inset: 0; }
.hero__slide {
  opacity: 0; visibility: hidden;
  transition: opacity 1.1s var(--ease), visibility 1.1s var(--ease);
}
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.hero__media { position: absolute; inset: 0; }
.hero__media img, .hero__media video {
  width: 100%; height: 100%; object-fit: cover;
}
/* 当前幻灯片图片缓慢推进（Ken Burns） */
.hero__slide.is-active .hero__media img { animation: kenburns 7.5s var(--ease) forwards; }
@keyframes kenburns {
  from { transform: scale(1.08); }
  to   { transform: scale(1); }
}
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,22,45,.82) 0%, rgba(6,22,45,.38) 46%, rgba(6,22,45,.12) 100%);
}

/* 左侧浮动文案 */
.hero__content {
  position: absolute; z-index: 5; left: 0; right: 0; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.hero__content .container { pointer-events: auto; }
.hero__kicker {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--gold-light); font-size: 14px; letter-spacing: .4em;
  text-transform: uppercase; margin-bottom: 26px;
}
.hero__kicker::before { content: ""; width: 46px; height: 1px; background: var(--gold); }
.hero__title { color: var(--white); font-weight: 700; }
.hero__title .l1 { display: block; font-size: clamp(26px, 2.6vw, 40px); letter-spacing: .3em; font-weight: 500; color: rgba(255,255,255,.85); }
.hero__title .l2 { display: block; font-size: clamp(46px, 6.4vw, 96px); line-height: 1.14; letter-spacing: .04em; margin: 10px 0; }
.hero__title .l2 em { font-style: normal; color: var(--gold); }
.hero__title .l3 { display: block; font-size: clamp(17px, 1.5vw, 22px); font-weight: 400; color: rgba(255,255,255,.72); letter-spacing: .12em; }
.hero__btn { margin-top: 44px; }

/* 文案入场动画 */
.hero__slide .hero__kicker,
.hero__slide .hero__title .l1,
.hero__slide .hero__title .l2,
.hero__slide .hero__title .l3,
.hero__slide .hero__btn {
  opacity: 0; transform: translateY(36px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.hero__slide.is-active .hero__kicker     { opacity: 1; transform: none; transition-delay: .35s; }
.hero__slide.is-active .hero__title .l1  { opacity: 1; transform: none; transition-delay: .5s; }
.hero__slide.is-active .hero__title .l2  { opacity: 1; transform: none; transition-delay: .65s; }
.hero__slide.is-active .hero__title .l3  { opacity: 1; transform: none; transition-delay: .8s; }
.hero__slide.is-active .hero__btn        { opacity: 1; transform: none; transition-delay: .95s; }

/* 左下角圆点 */
.hero__dots {
  position: absolute; z-index: 6; bottom: 44px;
  left: var(--pad-x); display: flex; gap: 14px;
}
.hero__dot {
  width: 12px; height: 12px; border-radius: var(--r-pill);
  background: rgba(255,255,255,.32); cursor: pointer;
  transition: all .4s var(--ease); border: none; padding: 0;
}
.hero__dot.is-active { width: 40px; background: var(--gold); }
.hero__dot:hover { background: var(--gold-light); }

/* 右下角圆角方形箭头 */
.hero__arrows {
  position: absolute; z-index: 6; bottom: 34px; right: var(--pad-x);
  display: flex; gap: 14px;
}
.hero__arrow {
  width: 58px; height: 58px; border-radius: 18px;
  border: 1px solid rgba(255,255,255,.4); color: var(--white);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: all .35s var(--ease);
}
.hero__arrow:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); transform: translateY(-4px); }
.hero__arrow:active { transform: translateY(0) scale(.94); }

/* 侧边装饰竖排文字 */
.hero__side {
  position: absolute; z-index: 5; right: var(--pad-x); top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl; letter-spacing: .5em;
  color: rgba(255,255,255,.35); font-size: 12px; text-transform: uppercase;
}

/* ============================================================
   7. 首页 · 服务项目
   ============================================================ */
.svc { display: flex; flex-direction: column; gap: 46px; }
.svc__row {
  display: grid; grid-template-columns: 1.05fr 1fr;
  border-radius: var(--r-lg); overflow: hidden;
  background: var(--white); box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  min-height: 420px;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.svc__row:hover { transform: translateY(-8px); box-shadow: var(--shadow-soft); }
.svc__row--rev { grid-template-columns: 1fr 1.05fr; }
.svc__row--rev .svc__media { order: 2; }

.svc__media { position: relative; overflow: hidden; min-height: 320px; }
.svc__media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.svc__row:hover .svc__media img { transform: scale(1.07); }
.svc__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,22,45,0) 55%, rgba(6,22,45,.45));
}
.svc__media-num {
  position: absolute; z-index: 2; top: 26px; left: 30px;
  font-size: 15px; letter-spacing: .3em; color: var(--white);
  padding: 8px 18px; border-radius: var(--r-pill);
  background: rgba(6,22,45,.5); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
}

.svc__body { padding: 54px 56px; display: flex; flex-direction: column; justify-content: center; }
.svc__label { font-size: 12px; letter-spacing: .4em; color: var(--gold); text-transform: uppercase; font-weight: 600; }
.svc__title { font-size: clamp(26px, 2.4vw, 36px); margin: 12px 0 16px; font-weight: 700; }
.svc__desc { color: var(--gray); font-size: 15.5px; margin-bottom: 26px; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.svc__tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: var(--r-pill);
  border: 1px solid var(--line); font-size: 14.5px; color: var(--ink);
  transition: all .3s var(--ease); background: var(--white);
}
.svc__tag i { font-size: 11px; color: var(--gold); transition: transform .3s var(--ease); }
.svc__tag:hover {
  background: var(--navy); color: var(--white); border-color: var(--navy);
  transform: translateY(-3px); box-shadow: 0 12px 26px -12px rgba(6,22,45,.5);
}
.svc__tag:hover i { transform: translateX(3px); }

/* ============================================================
   8. 首页 · 关于我们
   ============================================================ */
.about { overflow: hidden; }
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about__name {
  font-size: 19px; color: var(--gold); font-weight: 600; letter-spacing: .1em;
  margin: 6px 0 22px; display: flex; align-items: center; gap: 14px;
}
.about__name::after { content: ""; flex: 0 0 60px; height: 1px; background: var(--gold); }
.about__text p { color: var(--gray); margin-bottom: 16px; font-size: 16px; }
.about__text p strong { color: var(--ink); }
.about__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  margin: 38px 0 42px;
}
.about__stat {
  padding: 24px 10px; text-align: center; border-radius: var(--r-md);
  background: var(--white); border: 1px solid var(--line);
  transition: all .4s var(--ease);
}
.about__stat:hover { background: var(--navy); transform: translateY(-6px); }
.about__stat:hover .about__stat-num, .about__stat:hover .about__stat-label { color: var(--white); }
.about__stat-num { font-size: 34px; font-weight: 800; color: var(--navy); line-height: 1.1; transition: color .4s; }
.about__stat-num i { font-style: normal; color: var(--gold); font-size: 22px; }
.about__stat-label { font-size: 13px; color: var(--gray); letter-spacing: .1em; margin-top: 6px; transition: color .4s; }

/* 右侧图片艺术化 */
.about__visual { position: relative; }
.about__img {
  border-radius: var(--r-xl) var(--r-xl) var(--r-xl) 180px;
  overflow: hidden; box-shadow: var(--shadow-soft); position: relative; z-index: 2;
}
.about__img img { width: 100%; height: 560px; object-fit: cover; transition: transform 1.2s var(--ease); }
.about__visual:hover .about__img img { transform: scale(1.05); }
/* 金色圆环装饰 */
.about__ring {
  position: absolute; z-index: 1; width: 340px; height: 340px;
  border: 1.5px solid var(--gold); border-radius: 50%;
  top: -60px; right: -60px; opacity: .55;
  animation: spinSlow 26s linear infinite;
}
.about__ring::after {
  content: ""; position: absolute; top: 14px; left: 50%;
  width: 12px; height: 12px; border-radius: 50%; background: var(--gold);
}
@keyframes spinSlow { to { transform: rotate(360deg); } }
/* 漂浮徽章 */
.about__badge {
  position: absolute; z-index: 3; left: -34px; bottom: 60px;
  background: var(--navy); color: var(--white);
  border-radius: var(--r-md); padding: 22px 30px;
  box-shadow: var(--shadow-soft);
  animation: floatY 5s ease-in-out infinite;
}
.about__badge strong { font-size: 30px; color: var(--gold-light); display: block; line-height: 1.2; }
.about__badge span { font-size: 13px; color: var(--gray-light); letter-spacing: .12em; }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ============================================================
   9. 首页 · 案例（不规则排版）
   ============================================================ */
.case__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px; gap: 22px;
  grid-auto-flow: row dense;
}
.case__item {
  position: relative; border-radius: var(--r-md); overflow: hidden;
  cursor: pointer; display: block;
}
/* 不规则：部分格子跨行跨列 */
.case__item--w2 { grid-column: span 2; }
.case__item--h2 { grid-row: span 2; }
.case__item img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s var(--ease), filter 1s var(--ease);
}
.case__item:hover img { transform: scale(1.08); }
.case__item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(185deg, rgba(6,22,45,0) 40%, rgba(6,22,45,.88));
  transition: background .5s var(--ease);
}
.case__cat {
  position: absolute; z-index: 2; top: 18px; left: 18px;
  font-size: 12px; letter-spacing: .14em; color: var(--white);
  background: rgba(6,22,45,.55); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.22);
  padding: 6px 16px; border-radius: var(--r-pill);
}
.case__play {
  position: absolute; z-index: 2; top: 50%; left: 50%;
  width: 62px; height: 62px; border-radius: 50%;
  transform: translate(-50%, -50%) scale(.6);
  background: rgba(201, 162, 39, .92); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; padding-left: 4px;
  opacity: 0; transition: all .45s var(--ease);
}
.case__item:hover .case__play { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.case__info { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 18px; color: var(--white); }
.case__info h3 { font-size: 17.5px; font-weight: 600; letter-spacing: .04em; transition: color .3s; }
.case__item:hover .case__info h3 { color: var(--gold-light); }
.case__info span { font-size: 12.5px; color: var(--gray-light); letter-spacing: .08em; }
.case__more { text-align: center; margin-top: 54px; }

/* ============================================================
   10. 首页 · 数字多媒体（全屏联动）
   ============================================================ */
.media-show {
  position: relative; height: 100vh; min-height: 660px;
  background: var(--navy); overflow: hidden; color: var(--white);
}
.media-show__bg { position: absolute; inset: 0; }
.media-show__bg .bg {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 1s var(--ease), transform 1.4s var(--ease);
  transform: scale(1.06);
}
.media-show__bg .bg.is-active { opacity: 1; transform: scale(1); }
.media-show__bg .bg img { width: 100%; height: 100%; object-fit: cover; }
.media-show__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,22,45,.85) 0%, rgba(6,22,45,.25) 55%, rgba(6,22,45,.45) 100%);
}

/* 左侧浮动信息 */
.media-show__panel { position: absolute; z-index: 5; top: 50%; transform: translateY(-50%); left: 0; right: 0; pointer-events: none; }
.media-show__panel .container { pointer-events: auto; }
.media-show__inner { max-width: 560px; }
.media-show__title { font-size: clamp(34px, 3.6vw, 54px); font-weight: 700; line-height: 1.25; }
.media-show__slogan { font-size: 19px; color: var(--gold-light); letter-spacing: .28em; margin: 16px 0 20px; font-weight: 500; }
.media-show__desc { color: rgba(255,255,255,.78); font-size: 15.5px; max-width: 460px; }
.media-show__plus {
  margin-top: 36px; width: 62px; height: 62px; border-radius: 50%;
  background: var(--white); color: var(--navy); font-size: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .4s var(--ease);
}
.media-show__plus:hover { background: var(--gold); transform: rotate(90deg) scale(1.08); }

/* 底部切换条 */
.media-show__tabs {
  position: absolute; z-index: 6; left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-light);
  background: rgba(6, 22, 45, .42);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.media-show__tab {
  padding: 26px 30px; text-align: left; color: var(--white);
  border-right: 1px solid var(--line-light);
  position: relative; transition: background .4s var(--ease);
}
.media-show__tab:last-child { border-right: none; }
.media-show__tab::before {
  content: ""; position: absolute; top: -1px; left: 0; height: 3px; width: 0;
  background: var(--gold); transition: width .5s var(--ease);
}
.media-show__tab h3 { font-size: 19px; letter-spacing: .1em; font-weight: 600; transition: color .3s; }
.media-show__tab span {
  display: block; font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gray-light); margin-top: 5px; transition: color .3s;
}
.media-show__tab:hover { background: rgba(201, 162, 39, .1); }
.media-show__tab.is-active { background: rgba(201, 162, 39, .16); }
.media-show__tab.is-active::before { width: 100%; }
.media-show__tab.is-active h3 { color: var(--gold-light); }

/* ============================================================
   11. 首页 · 新闻资讯
   ============================================================ */
.news__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; }
/* 左侧焦点文章 */
.news__feature {
  display: block; border-radius: var(--r-lg); overflow: hidden;
  background: var(--white); box-shadow: var(--shadow-card); border: 1px solid var(--line);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.news__feature:hover { transform: translateY(-8px); box-shadow: var(--shadow-soft); }
.news__feature-img { position: relative; height: 380px; overflow: hidden; }
.news__feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.news__feature:hover .news__feature-img img { transform: scale(1.06); }
.news__feature-date {
  position: absolute; left: 24px; bottom: -1px; z-index: 2;
  background: var(--gold); color: var(--navy);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  padding: 12px 22px; text-align: center; line-height: 1.25;
}
.news__feature-date strong { font-size: 26px; display: block; font-weight: 800; }
.news__feature-date span { font-size: 12px; letter-spacing: .1em; }
.news__feature-body { padding: 34px 36px 38px; }
.news__feature-body .tag { font-size: 12px; color: var(--gold); letter-spacing: .24em; font-weight: 600; }
.news__feature-body h3 { font-size: 23px; margin: 10px 0 12px; font-weight: 700; line-height: 1.45; transition: color .3s; }
.news__feature:hover .news__feature-body h3 { color: var(--gold); }
.news__feature-body p { color: var(--gray); font-size: 15px; }

/* 右侧标题列表（利于蜘蛛抓取） */
.news__list { display: flex; flex-direction: column; }
.news__item {
  display: flex; align-items: baseline; gap: 22px;
  padding: 21px 8px; border-bottom: 1px solid var(--line);
  transition: all .35s var(--ease); border-radius: var(--r-sm);
}
.news__item:hover { background: var(--white); padding-left: 20px; box-shadow: var(--shadow-card); border-color: transparent; }
.news__item-date { flex-shrink: 0; text-align: center; line-height: 1.3; color: var(--gray); }
.news__item-date strong { display: block; font-size: 24px; font-weight: 800; color: var(--navy-3); }
.news__item-date span { font-size: 11.5px; letter-spacing: .08em; }
.news__item-main { flex: 1; min-width: 0; }
.news__item-main .tag { font-size: 11.5px; color: var(--gold); letter-spacing: .2em; margin-right: 12px; font-weight: 600; }
.news__item-main h3 {
  font-size: 16.5px; font-weight: 600; color: var(--ink); line-height: 1.55;
  display: inline; transition: color .3s;
}
.news__item:hover .news__item-main h3 { color: var(--gold); }
.news__item-main p {
  margin-top: 6px; font-size: 13.5px; color: var(--gray);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.news__item-arrow { color: var(--gray-light); font-size: 13px; transition: all .3s var(--ease); align-self: center; }
.news__item:hover .news__item-arrow { color: var(--gold); transform: translateX(4px); }

/* ============================================================
   12. 页脚（全站共用）
   ============================================================ */
.site-footer {
  background: linear-gradient(180deg, var(--navy) 0%, #040f1f 100%);
  color: var(--gray-light); padding: 90px 0 0; position: relative; overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; top: -140px; right: -140px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(201, 162, 39, .18);
}
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 56px; padding-bottom: 64px;
}
.footer__brand .nav__logo-text strong { font-size: 24px; }
.footer__brand p { margin: 22px 0; font-size: 14.5px; line-height: 1.9; }
.footer__qrs { display: flex; gap: 20px; }
.footer__qr { text-align: center; }
.footer__qr img {
  width: 96px; height: 96px; border-radius: var(--r-sm);
  background: var(--white); padding: 6px;
}
.footer__qr span { display: block; margin-top: 10px; font-size: 12.5px; letter-spacing: .1em; }

.footer__title {
  color: var(--white); font-size: 17px; letter-spacing: .14em; font-weight: 600;
  margin-bottom: 24px; display: flex; align-items: center; gap: 12px;
}
.footer__title::before { content: ""; width: 22px; height: 2px; background: var(--gold); border-radius: 2px; }
.footer__links li { margin-bottom: 13px; }
.footer__links a { font-size: 14.5px; transition: all .3s var(--ease); display: inline-flex; align-items: center; gap: 8px; }
.footer__links a i { font-size: 9px; color: var(--gold); opacity: 0; transform: translateX(-6px); transition: all .3s var(--ease); }
.footer__links a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer__links a:hover i { opacity: 1; transform: translateX(0); }

.footer__contact li { display: flex; gap: 14px; margin-bottom: 18px; font-size: 14.5px; line-height: 1.7; }
.footer__contact i { color: var(--gold); margin-top: 5px; flex-shrink: 0; }
.footer__contact strong { color: var(--white); font-size: 22px; letter-spacing: .03em; }

.footer__bottom {
  border-top: 1px solid var(--line-light);
  padding: 26px 0; font-size: 13px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.footer__bottom a:hover { color: var(--gold-light); }

/* ============================================================
   13. 右侧浮动工具条（全站共用）
   ============================================================ */
.float-bar {
  position: fixed; right: 10px; top: 50%; transform: translateY(-50%);
  z-index: 900; display: flex; flex-direction: column; gap: 12px;
}
.float-bar__item { position: relative; }
.float-bar__btn {
  width: 52px; height: 52px; border-radius: 16px;
  background: var(--navy); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center; font-size: 19px;
  box-shadow: 0 12px 30px -10px rgba(6,22,45,.5);
  transition: all .35s var(--ease); cursor: pointer;
}
.float-bar__btn:hover { background: var(--gold); color: var(--navy); border-radius: 50%; }
/* 左侧弹出的内容 */
.float-bar__pop {
  position: absolute; right: calc(100% + 14px); top: 50%;
  transform: translate(14px, -50%);
  background: var(--white); border-radius: var(--r-md);
  box-shadow: var(--shadow-soft); padding: 14px;
  opacity: 0; visibility: hidden; white-space: nowrap;
  transition: all .38s var(--ease);
}
.float-bar__pop::after {
  content: ""; position: absolute; right: -6px; top: 50%;
  width: 12px; height: 12px; background: var(--white);
  transform: translateY(-50%) rotate(45deg); border-radius: 2px;
}
.float-bar__item:hover .float-bar__pop { opacity: 1; visibility: visible; transform: translate(0, -50%); }
.float-bar__pop img { width: 128px; height: 128px; border-radius: var(--r-sm); }
.float-bar__pop p { text-align: center; font-size: 12.5px; color: var(--gray); margin-top: 8px; }
.float-bar__pop .tel {
  font-size: 18px; font-weight: 700; color: var(--navy);
  padding: 8px 16px; letter-spacing: .03em;
}
.float-bar__pop .tel i { color: var(--gold); margin-right: 8px; }
/* 返回顶部 */
.float-bar__top { opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .4s var(--ease); }
.float-bar__top.is-show { opacity: 1; visibility: visible; transform: none; }

/* ============================================================
   14. 滚动显现动画（全站共用）
   ============================================================ */
.reveal { opacity: 0; transform: translateY(46px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal--left  { transform: translateX(-56px); }
.reveal--right { transform: translateX(56px); }
.reveal--zoom  { transform: scale(.92); }
.reveal.is-in  { transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.reveal[data-delay="4"] { transition-delay: .48s; }

/* ============================================================
   15. 内页通用组件（为后续子页面预留）
   ============================================================ */
/* 内页页头横幅：高度500px，左侧中间栏目名+介绍，下面面包屑 */
.page-hero {
  position: relative; height: 500px;
  display: flex; align-items: center;
  background: var(--navy); overflow: hidden; color: var(--white);
}
.page-hero__bg { position: absolute; inset: 0; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.page-hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,22,45,.9) 0%, rgba(6,22,45,.55) 55%, rgba(6,22,45,.35) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero__label {
  color: var(--gold-light); letter-spacing: .4em; font-size: 13px;
  text-transform: uppercase; margin-bottom: 16px;
  display: inline-flex; align-items: center; gap: 12px; font-weight: 600;
}
.page-hero__label::before { content: ""; width: 42px; height: 1px; background: var(--gold); }
.page-hero__title { font-size: clamp(34px, 4vw, 56px); font-weight: 700; letter-spacing: .04em; }
.page-hero__desc { margin-top: 16px; color: rgba(255,255,255,.75); font-size: 16.5px; max-width: 560px; }
.breadcrumb {
  margin-top: 30px; font-size: 13.5px; color: var(--gray-light);
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb i { font-size: 9px; color: var(--gold); }
.breadcrumb .current { color: var(--gold-light); }

/* 通用图文卡片 */
.card {
  background: var(--white); border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-card);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-soft); }

/* 通用分页 */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 60px; }
.pagination a, .pagination span {
  min-width: 46px; height: 46px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); font-size: 15px; color: var(--ink);
  transition: all .3s var(--ease); padding: 0 14px;
}
.pagination a:hover, .pagination .is-current {
  background: var(--navy); color: var(--white); border-color: var(--navy);
}

/* ============================================================
   16. 响应式
   ============================================================ */
@media (max-width: 1440px) {
  :root { --pad-x: 36px; }
}

@media (max-width: 1200px) {
  .nav__link { padding: 12px 12px; font-size: 15px; }
  .nav__tel-num small { display: none; }
  .about__grid { gap: 50px; }
  .case__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  :root { --pad-x: 24px; }
  .section { padding: 80px 0; }
  .nav__menu, .nav__tel { display: none; }
  .nav__burger { display: flex; }

  .svc__row, .svc__row--rev { grid-template-columns: 1fr; min-height: 0; }
  .svc__row--rev .svc__media { order: 0; }
  .svc__media { min-height: 300px; }
  .svc__body { padding: 40px 34px; }

  .about__grid { grid-template-columns: 1fr; gap: 60px; }
  .about__img img { height: 420px; }
  .about__badge { left: 14px; }

  .case__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }

  .news__grid { grid-template-columns: 1fr; gap: 44px; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 44px; }

  .hero__side { display: none; }
}

@media (max-width: 640px) {
  :root { --pad-x: 18px; }
  body { font-size: 15px; }
  .section { padding: 64px 0; }
  .sec-head { margin-bottom: 42px; }

  .hero { min-height: 560px; }
  .hero__dots { bottom: 108px; left: var(--pad-x); }
  .hero__arrows { bottom: 34px; left: var(--pad-x); right: auto; }
  .hero__arrow { width: 50px; height: 50px; border-radius: 15px; }
  .hero__btn { margin-top: 32px; }

  .case__grid { grid-template-columns: 1fr; grid-auto-rows: 230px; }
  .case__item--w2 { grid-column: span 1; }
  .case__item--h2 { grid-row: span 1; }

  .media-show { height: auto; min-height: 0; padding-top: 0; }
  .media-show__bg { position: relative; height: 62vw; min-height: 320px; }
  .media-show__panel { position: relative; top: auto; transform: none; padding: 44px 0; }
  .media-show__tabs { position: relative; grid-template-columns: 1fr 1fr; }
  .media-show__tab { padding: 18px 20px; border-bottom: 1px solid var(--line-light); }
  .media-show__tab h3 { font-size: 16px; }

  .about__stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .about__stat { padding: 16px 6px; }
  .about__stat-num { font-size: 26px; }
  .about__img { border-radius: var(--r-lg) var(--r-lg) var(--r-lg) 90px; }
  .about__img img { height: 320px; }
  .about__ring { width: 220px; height: 220px; top: -40px; right: -30px; }

  .news__feature-img { height: 240px; }
  .news__feature-body { padding: 26px 24px 30px; }
  .news__item { gap: 14px; }
  .news__item-main p { display: none; }

  .footer__grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { justify-content: center; text-align: center; }

  .float-bar__btn { width: 46px; height: 46px; font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {  transition-duration: .01ms !important; }
}

/* ============================================================
   17. 内页通用组件扩展
   ============================================================ */

/* ---- CTA 横幅（各内页底部通用） ---- */
.cta-band {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(120deg, var(--navy-2), var(--navy));
  color: var(--white); padding: 70px 80px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.cta-band::before {
  content: ""; position: absolute; right: -90px; top: -90px;
  width: 300px; height: 300px; border-radius: 50%;
  border: 1.5px solid rgba(201, 162, 39, .35);
}
.cta-band::after {
  content: ""; position: absolute; right: 60px; bottom: -120px;
  width: 220px; height: 220px; border-radius: 50%;
  background: rgba(201, 162, 39, .1);
}
.cta-band h2 { font-size: clamp(24px, 2.6vw, 36px); font-weight: 700; position: relative; z-index: 2; }
.cta-band p { color: var(--gray-light); margin-top: 10px; position: relative; z-index: 2; }
.cta-band .btn { flex-shrink: 0; position: relative; z-index: 2; }

/* ---- 优势图标卡片 ---- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 40px 30px; text-align: center;
  transition: all .45s var(--ease); position: relative; overflow: hidden;
}
.adv-card::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 3px; background: var(--gold); transition: width .45s var(--ease);
}
.adv-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); }
.adv-card:hover::before { width: 100%; }
.adv-card__ico {
  width: 76px; height: 76px; margin: 0 auto 22px; border-radius: 24px;
  background: linear-gradient(135deg, rgba(201,162,39,.16), rgba(201,162,39,.05));
  color: var(--gold); font-size: 28px;
  display: flex; align-items: center; justify-content: center;
  transition: all .45s var(--ease);
}
.adv-card:hover .adv-card__ico { background: var(--gold); color: var(--navy); border-radius: 50%; transform: rotate(-8deg) scale(1.05); }
.adv-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: var(--gray); }

/* ---- 服务流程步骤 ---- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
.process__item {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 36px 24px 30px;
  transition: all .4s var(--ease);
}
.process__item:hover { background: var(--navy); transform: translateY(-6px); }
.process__item:hover h3, .process__item:hover p { color: var(--white); }
.process__item:hover .process__num { color: var(--gold-light); }
.process__num {
  font-size: 40px; font-weight: 800; color: var(--gold);
  line-height: 1; margin-bottom: 16px; transition: color .4s;
}
.process__item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; transition: color .4s; }
.process__item p { font-size: 13.5px; color: var(--gray); transition: color .4s; }

/* ---- 筛选标签（案例/新闻列表） ---- */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 50px; }
.filter-tab {
  padding: 12px 30px; border-radius: var(--r-pill);
  border: 1px solid var(--line); background: var(--white);
  font-size: 15px; color: var(--ink); letter-spacing: .06em;
  transition: all .3s var(--ease);
}
.filter-tab:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.filter-tab.is-active { background: var(--navy); border-color: var(--navy); color: var(--white); }

/* ---- 案例列表页网格 ---- */
.case-page-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-page-grid .case__item { height: 300px; }
.case-page-grid .case__item.is-hide { display: none; }

/* ---- 新闻列表页 ---- */
.news-page-list { display: flex; flex-direction: column; gap: 26px; }
.news-page-item {
  display: grid; grid-template-columns: 300px 1fr; gap: 34px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-md); overflow: hidden; padding: 22px;
  transition: all .45s var(--ease); align-items: center;
}
.news-page-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.news-page-item__img { border-radius: var(--r-sm); overflow: hidden; height: 200px; }
.news-page-item__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.news-page-item:hover .news-page-item__img img { transform: scale(1.07); }
.news-page-item__meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--gray); margin-bottom: 12px; }
.news-page-item__meta .tag { color: var(--gold); letter-spacing: .16em; font-weight: 600; }
.news-page-item__meta i { font-size: 11px; margin-right: 6px; }
.news-page-item h3 { font-size: 20px; font-weight: 700; line-height: 1.5; transition: color .3s; }
.news-page-item:hover h3 { color: var(--gold); }
.news-page-item p { margin-top: 10px; color: var(--gray); font-size: 14.5px; }

/* ---- 文章详情页 ---- */
.article { max-width: 880px; margin: 0 auto; }
.article__head { text-align: center; margin-bottom: 50px; }
.article__head .tag {
  display: inline-block; padding: 7px 22px; border-radius: var(--r-pill);
  background: rgba(201,162,39,.12); color: var(--gold);
  font-size: 13px; letter-spacing: .2em; font-weight: 600; margin-bottom: 22px;
}
.article__head h1 { font-size: clamp(26px, 3vw, 40px); line-height: 1.4; font-weight: 700; }
.article__meta {
  margin-top: 24px; display: flex; justify-content: center; gap: 30px; flex-wrap: wrap;
  color: var(--gray); font-size: 13.5px;
}
.article__meta i { color: var(--gold); margin-right: 7px; }
.article__cover { border-radius: var(--r-lg); overflow: hidden; margin-bottom: 50px; box-shadow: var(--shadow-card); }
.article__cover img { width: 100%; max-height: 480px; object-fit: cover; }
.article__body { font-size: 16.5px; color: #333a47; }
.article__body p { margin-bottom: 26px; }
.article__body h2 {
  font-size: 24px; font-weight: 700; color: var(--ink);
  margin: 46px 0 20px; padding-left: 18px; position: relative;
}
.article__body h2::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 4px; border-radius: 4px; background: var(--gold);
}
.article__body h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin: 34px 0 14px; }
.article__body ul, .article__body ol { margin: 0 0 26px 24px; }
.article__body li { margin-bottom: 10px; list-style: none; position: relative; padding-left: 22px; }
.article__body ul li::before {
  content: ""; position: absolute; left: 0; top: 12px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
}
.article__body ol { counter-reset: oli; }
.article__body ol li { counter-increment: oli; }
.article__body ol li::before {
  content: counter(oli); position: absolute; left: 0; top: 3px;
  width: 20px; height: 20px; border-radius: 50%; background: var(--navy);
  color: var(--white); font-size: 12px; display: flex; align-items: center; justify-content: center;
}
.article__body blockquote {
  margin: 36px 0; padding: 30px 36px; border-radius: var(--r-md);
  background: var(--cream); border-left: 4px solid var(--gold);
  font-size: 17px; color: var(--navy-3); font-weight: 500;
}
.article__body img { border-radius: var(--r-md); margin: 34px 0; }
.article__tags { display: flex; gap: 12px; flex-wrap: wrap; margin: 50px 0 30px; }
.article__tags a {
  padding: 8px 20px; border-radius: var(--r-pill); font-size: 13px;
  background: var(--cream); color: var(--gray); transition: all .3s;
}
.article__tags a:hover { background: var(--navy); color: var(--white); }
.article__pn {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  border-top: 1px solid var(--line); padding-top: 34px; margin-top: 20px;
}
.article__pn a {
  display: block; padding: 22px 26px; border-radius: var(--r-md);
  border: 1px solid var(--line); transition: all .35s var(--ease);
}
.article__pn a:hover { background: var(--navy); }
.article__pn a:hover span, .article__pn a:hover strong { color: var(--white); }
.article__pn span { font-size: 12.5px; color: var(--gold); letter-spacing: .2em; display: block; margin-bottom: 8px; }
.article__pn strong { font-size: 15.5px; font-weight: 600; color: var(--ink); transition: color .3s; }
.article__pn a.next { text-align: right; }

/* ---- 关于我们页 ---- */
/* 发展历程时间轴 */
.timeline { position: relative; padding: 20px 0; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, transparent, var(--gold) 12%, var(--gold) 88%, transparent);
  transform: translateX(-50%);
}
.timeline__item {
  position: relative; width: 50%; padding: 0 60px 60px 0;
}
.timeline__item:nth-child(even) { margin-left: 50%; padding: 0 0 60px 60px; }
.timeline__item::before {
  content: ""; position: absolute; top: 8px; right: -9px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--gold); border: 3px solid var(--white);
  box-shadow: 0 0 0 3px rgba(201,162,39,.3);
}
.timeline__item:nth-child(even)::before { right: auto; left: -9px; }
.timeline__year { font-size: 30px; font-weight: 800; color: var(--gold); line-height: 1.1; }
.timeline__item h3 { font-size: 18px; font-weight: 700; margin: 10px 0 8px; }
.timeline__item p { font-size: 14.5px; color: var(--gray); }
.timeline__item:nth-child(odd) { text-align: right; }

/* 团队文化卡 */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.culture-card {
  border-radius: var(--r-md); overflow: hidden; position: relative; height: 380px;
}
.culture-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.culture-card:hover img { transform: scale(1.07); }
.culture-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(185deg, rgba(6,22,45,.05) 35%, rgba(6,22,45,.92));
}
.culture-card__body { position: absolute; z-index: 2; left: 30px; right: 30px; bottom: 26px; color: var(--white); }
.culture-card__body h3 { font-size: 21px; font-weight: 700; margin-bottom: 8px; }
.culture-card__body p { font-size: 13.5px; color: var(--gray-light); }

/* 荣誉列表 */
.honor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.honor-item {
  display: flex; align-items: center; gap: 18px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 24px 28px;
  transition: all .35s var(--ease);
}
.honor-item:hover { transform: translateX(6px); border-color: var(--gold); }
.honor-item i { font-size: 24px; color: var(--gold); flex-shrink: 0; }
.honor-item h3 { font-size: 16px; font-weight: 600; }
.honor-item span { font-size: 12.5px; color: var(--gray); }

/* ---- 联系我们页 ---- */
.contact__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.contact-info__item {
  display: flex; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--line);
}
.contact-info__item:first-child { padding-top: 0; }
.contact-info__ico {
  width: 58px; height: 58px; border-radius: 18px; flex-shrink: 0;
  background: var(--navy); color: var(--gold-light); font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  transition: all .4s var(--ease);
}
.contact-info__item:hover .contact-info__ico { background: var(--gold); color: var(--navy); border-radius: 50%; }
.contact-info__item h3 { font-size: 15px; color: var(--gray); font-weight: 500; letter-spacing: .1em; }
.contact-info__item strong { font-size: 22px; color: var(--ink); font-weight: 700; display: block; margin-top: 4px; }
.contact-info__item p { font-size: 16px; color: var(--ink); margin-top: 4px; }
.contact-info__qrs { display: flex; gap: 24px; margin-top: 34px; }
.contact-info__qrs .footer__qr img { width: 110px; height: 110px; border: 1px solid var(--line); }
.contact-info__qrs .footer__qr span { color: var(--gray); }

/* 表单 */
.contact-form {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 50px; box-shadow: var(--shadow-card);
}
.contact-form h2 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.contact-form > p { color: var(--gray); font-size: 14.5px; margin-bottom: 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.form-group label i { color: var(--gold); margin-right: 7px; font-size: 12px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 15px 20px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: var(--cream);
  font-size: 15px; color: var(--ink); outline: none;
  transition: all .3s var(--ease);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--gold); background: var(--white);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .14);
}
.form-group .err { display: none; color: #d0453e; font-size: 12.5px; margin-top: 7px; }
.form-group.is-error input, .form-group.is-error textarea { border-color: #d0453e; }
.form-group.is-error .err { display: block; }
.form-submit { width: 100%; justify-content: center; }
.form-success {
  display: none; margin-top: 18px; padding: 14px 20px; border-radius: var(--r-sm);
  background: rgba(52, 168, 71, .1); color: #2a8a3e; font-size: 14px; text-align: center;
}
.form-success.is-show { display: block; }

/* 地图 */
.map-box {
  border-radius: var(--r-lg); overflow: hidden; margin-top: 80px;
  border: 1px solid var(--line); box-shadow: var(--shadow-card);
  position: relative; height: 420px;
}
.map-box iframe { width: 100%; height: 100%; border: 0; display: block; position: relative; z-index: 2; background: var(--cream); }
.map-box__fallback {
  position: absolute; inset: 0; z-index: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--cream); color: var(--gray); text-align: center; padding: 20px;
}
.map-box__fallback i { font-size: 44px; color: var(--gold); margin-bottom: 16px; }
.map-box__fallback p { font-size: 17px; font-weight: 600; color: var(--ink); }
.map-box__fallback span { font-size: 13px; margin-top: 6px; }

/* ---- 内页响应式补充 ---- */
@media (max-width: 1200px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .case-page-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
  .page-hero { height: 420px; }
  .cta-band { flex-direction: column; text-align: center; padding: 54px 40px; }
  .contact__grid { grid-template-columns: 1fr; gap: 50px; }
  .news-page-item { grid-template-columns: 1fr; gap: 20px; }
  .news-page-item__img { height: 220px; }
  .timeline::before { left: 10px; }
  .timeline__item, .timeline__item:nth-child(even) {
    width: 100%; margin-left: 0; padding: 0 0 46px 44px; text-align: left;
  }
  .timeline__item::before, .timeline__item:nth-child(even)::before { left: 2px; right: auto; }
  .culture-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .page-hero { height: 360px; }
  .adv-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .case-page-grid { grid-template-columns: 1fr; }
  .case-page-grid .case__item { height: 240px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  .article__pn { grid-template-columns: 1fr; }
  .article__pn a.next { text-align: left; }
  .map-box { height: 320px; margin-top: 56px; }
}