/* ============================================================
   华源泰盟首页 · 客户新设计稿风格（深蓝 + 金）
   仅作用于首页（layout/home.html），内页不受影响
   ============================================================ */
:root {
  --blue-900: #00264d;
  --blue-800: #003d7a;
  --blue-700: #004ca9;
  --navy: #00305e;
  --gold: #e8a33d;
  --gold-l: #f0b040;
  --light: #f4f6f9;
  --ink: #1f2a44;
  --muted: #6a7688;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.hm-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------------- 玻璃导航 ---------------- */
.hm-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: linear-gradient(180deg, rgba(0, 26, 61, .82), rgba(0, 26, 61, .45));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background .3s ease, box-shadow .3s ease;
}
.hm-nav.scrolled {
  background: rgba(0, 30, 66, .96);
  box-shadow: 0 4px 18px rgba(0, 20, 50, .35);
}
.hm-nav-in { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: none; padding: 0 24px; }
.hm-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.hm-logo-img { height: 48px; width: auto; display: block; }
.hm-logo-ring {
  width: 42px; height: 42px; border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  position: relative; background: rgba(255, 255, 255, .06);
}
.hm-logo-ring::after {
  content: ""; position: absolute; inset: 4px;
  border: 1px solid rgba(232, 163, 61, .55); border-radius: 50%;
}
.hm-logo-ring b { color: var(--gold); font-size: 15px; font-weight: 700; letter-spacing: 1px; }
.hm-logo-tx b { display: block; color: #fff; font-size: 19px; font-weight: 700; line-height: 1.2; letter-spacing: 3px; }
.hm-logo-tx i { display: block; color: var(--gold); font-style: normal; font-size: 10px; letter-spacing: 2.5px; }

.hm-menu > ul { display: flex; align-items: center; gap: 2px; }
.hm-menu { display: flex; }
.hm-nav-item { position: relative; }
.hm-nav-item > a {
  display: block; padding: 10px 12px;
  color: rgba(255, 255, 255, .92); font-size: 14.5px; font-weight: 500;
  position: relative; white-space: nowrap;
}
.hm-nav-item > a::after {
  content: ""; position: absolute; left: 50%; bottom: 4px; width: 0; height: 2px;
  background: var(--gold); transition: all .25s ease; transform: translateX(-50%);
}
.hm-nav-item:hover > a::after,
.hm-nav-item.cur > a::after { width: 70%; }
.hm-nav-item.cur > a { color: #fff; }
.hm-sub {
  position: absolute; top: 100%; left: 0; min-width: 190px;
  background: rgba(0, 38, 77, .97);
  box-shadow: 0 8px 22px rgba(0, 15, 40, .4);
  padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .22s ease; border-top: 2px solid var(--gold);
}
.hm-nav-item:hover .hm-sub { opacity: 1; visibility: visible; transform: translateY(0); }
.hm-sub a {
  display: block; padding: 9px 16px; color: rgba(255, 255, 255, .85);
  font-size: 13.5px; transition: all .15s ease; border-left: 2px solid transparent;
}
.hm-sub a:hover { color: var(--gold-l); background: rgba(255, 255, 255, .05); border-left-color: var(--gold); padding-left: 20px; }

.hm-tools { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.hm-search { display: flex; align-items: center; background: rgba(255, 255, 255, .14); border-radius: 30px; padding: 0 4px 0 14px; }
.hm-search input {
  border: 0; background: transparent; color: #fff; outline: none;
  font-size: 13px; width: 108px; padding: 7px 0; transition: width .2s ease;
  max-width: 100%;
}
.hm-search input::placeholder { color: rgba(255, 255, 255, .55); }
.hm-search button {
  border: 0; background: var(--gold); width: 30px; height: 30px; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--blue-900);
}
.hm-lang {
  display: flex; align-items: center; gap: 7px;
  color: #fff; font-size: 14.5px; letter-spacing: 1px; white-space: nowrap;
}
.hm-lang i { font-style: normal; opacity: .55; font-size: 13px; }
.hm-lang a { color: #fff; opacity: .72; transition: color .2s ease, opacity .2s ease; }
.hm-lang a.cur { opacity: 1; cursor: default; }
.hm-lang a:not(.cur):hover { opacity: 1; color: var(--gold-l); }
.hm-burger {
  display: none; flex-direction: column; gap: 5px; background: transparent; border: 0; cursor: pointer; padding: 6px;
}
.hm-burger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all .25s ease; }

/* ---------------- 全屏 Hero ---------------- */
.hm-hero { position: relative; height: 100vh; min-height: 640px; overflow: hidden; background: #06224d; }
/* 渐变天空轮播（每张一个色相，图片加载失败时的兜底底图） */
.hm-hero-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1s ease;
}
.hm-hero-slide.on { opacity: 1; visibility: visible; }
.hm-hero-slide.s1 { background: linear-gradient(160deg, #031c45 0%, #0c3a7d 42%, #1b5bad 72%, #f0b040 128%); }
.hm-hero-slide.s2 { background: linear-gradient(160deg, #031c45 0%, #0e3f86 48%, #2a6db8 78%, #d9a24a 132%); }
.hm-hero-slide.s3 { background: linear-gradient(160deg, #04234f 0%, #114a92 55%, #3f8ec0 100%); }
.hm-hero-slide img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  /* 去AI化①：轻微降饱和+提对比，削弱AI渲染的塑料感，向商业摄影质感靠拢 */
  filter: saturate(.95) contrast(1.06) brightness(1.01);
}
/* 去AI化②：细胶片颗粒叠层，打破AI图过于平滑的数码感（透明度极低，不挡内容） */
.hm-hero-slide::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  opacity: .05; mix-blend-mode: overlay;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E") repeat;
}
/* 每张图主体偏右，桌面端取景对准设备主体 */
.hm-hero-slide.s1 img { object-position: 58% center; }
.hm-hero-slide.s2 img { object-position: 70% center; }
.hm-hero-slide.s3 img { object-position: 64% center; }
/* 文字侧轻纱（仅保证白字可读，不再大面积盖住画面）+ 上下轻微压暗 + 去AI化③轻暗角把画面四边融进品牌深蓝 */
.hm-hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 22, 52, .72) 0%, rgba(4, 26, 58, .34) 30%, rgba(6, 30, 64, .06) 55%, transparent 76%),
    linear-gradient(180deg, rgba(3, 20, 50, .22) 0%, transparent 20%, transparent 76%, rgba(3, 20, 50, .5) 100%),
    radial-gradient(118% 92% at 52% 44%, transparent 55%, rgba(3, 20, 50, .3) 100%);
}
/* 高调白底的第3屏（桌面端）：遮罩减约1/3，保住白色工业空间的通透明亮 */
@media (min-width: 641px) {
  .hm-hero-slide.s3::after {
    background:
      linear-gradient(90deg, rgba(3, 22, 52, .58) 0%, rgba(4, 26, 58, .26) 32%, rgba(6, 30, 64, .04) 56%, transparent 76%),
      linear-gradient(180deg, rgba(3, 20, 50, .14) 0%, transparent 22%, transparent 78%, rgba(3, 20, 50, .42) 100%),
      radial-gradient(118% 92% at 52% 44%, transparent 62%, rgba(3, 20, 50, .18) 100%);
  }
}
/* 黄昏光晕 + 城市天际线剪影 */
.hm-hero-sun {
  position: absolute; right: 7%; bottom: 14%; width: 40vmin; height: 40vmin;
  border-radius: 50%; pointer-events: none; z-index: 1;
  background: radial-gradient(circle, rgba(240, 176, 64, .5) 0%, rgba(240, 176, 64, 0) 68%);
}
.hm-hero-skyline {
  position: absolute; left: 0; right: 0; bottom: 0; height: 30%; pointer-events: none; opacity: .72; z-index: 1;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='220' viewBox='0 0 1200 220'%3E%3Cpath fill='%23010e24' fill-opacity='0.92' d='M0 220V106h58v114h78V52h60v168h86V128h64v92h72V90h72v130h84V150h58v70h74V70h66v150h92V132h58v88h70V96h80v124h74V150h64v70h92V86h46v134h52V118h70v102z'/%3E%3Cpath fill='%23010e24' fill-opacity='0.9' d='M0 220l0-60 210 0 0 60zM306 220l0-92 92 0 0 92zM620 220l0-70 130 0 0 70zM916 220l0-88 96 0 0 88zM1150 220l0-52 50 0 0 52z'/%3E%3C/svg%3E") repeat-x bottom center;
  background-size: 1200px 220px;
}
/* 轮播每屏文案（随滑片淡入淡出） */
.hm-slide-copy {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  z-index: 3; padding: 0 24px; max-width: 880px;
}
.hm-slide-copy h1 {
  color: #fff; font-size: clamp(30px, 4.6vw, 60px); font-weight: 700;
  line-height: 1.22; letter-spacing: 3px; margin-bottom: 14px;
  text-shadow: 0 2px 24px rgba(2, 16, 40, .65);
}
.hm-slide-copy .hm-lead {
  color: var(--gold-l); font-size: clamp(13px, 1.5vw, 18px);
  letter-spacing: 3px; margin-bottom: 34px; line-height: 1.8;
  text-shadow: 0 1px 14px rgba(2, 16, 40, .6);
}
.hm-ringline {
  display: flex; align-items: center; gap: 16px; margin-bottom: 18px;
}
.hm-ring {
  width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--gold); flex-shrink: 0;
}
.hm-btn {
  display: inline-flex; align-items: center; gap: 8px;
  color: #fff; border: 1px solid var(--gold); border-radius: 30px;
  padding: 11px 30px; font-size: 15px; letter-spacing: 2px;
  background: rgba(3, 22, 52, .3); /* 明亮底图上提升按钮对比度 */
  transition: all .25s ease; cursor: pointer;
}
.hm-btn:hover { background: var(--gold); color: var(--blue-900); }
.hm-hero-meta {
  position: absolute; left: 24px; bottom: 34px; z-index: 6;
  display: flex; align-items: center; gap: 18px;
}
.hm-indicate { color: #fff; font-size: 13px; letter-spacing: 2px; }
.hm-dots { display: flex; gap: 8px; }
.hm-dots span { width: 20px; height: 3px; background: rgba(255, 255, 255, .4); cursor: pointer; transition: all .25s ease; }
.hm-dots span.on { background: var(--gold); }
.hm-arrows { position: absolute; right: 24px; bottom: 30px; z-index: 6; display: flex; gap: 12px; }
.hm-arrows button {
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .5);
  color: #fff; font-size: 18px; cursor: pointer; transition: all .25s ease;
}
.hm-arrows button:hover { background: var(--gold); border-color: var(--gold); color: var(--blue-900); }

/* ---------------- 关于我们 ---------------- */
.hm-abt { position: relative; background: var(--light); padding: 84px 0 72px; overflow: hidden; }
/* 城市线稿水印（呼应 Hero 天际线） */
.hm-abt-skyline {
  position: absolute; left: 0; right: 0; bottom: 0; height: 150px; pointer-events: none; opacity: .6;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='220' viewBox='0 0 1200 220'%3E%3Cpath fill='%23c9d8ea' fill-opacity='0.5' d='M0 220V106h58v114h78V52h60v168h86V128h64v92h72V90h72v130h84V150h58v70h74V70h66v150h92V132h58v88h70V96h80v124h74V150h64v70h92V86h46v134h52V118h70v102z'/%3E%3Cpath fill='%23d9e4f2' fill-opacity='0.55' d='M0 220l0-60 210 0 0 60zM306 220l0-92 92 0 0 92zM620 220l0-70 130 0 0 70zM916 220l0-88 96 0 0 88zM1150 220l0-52 50 0 0 52z'/%3E%3C/svg%3E") repeat-x bottom center;
  background-size: 1200px 190px;
}
.hm-abt-in { position: relative; z-index: 1; }
/* 头部：标题 + 公司名 / 右侧金色饰条 */
.hm-abt-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 42px; }
.hm-abt-head h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; color: var(--blue-900); letter-spacing: 4px; line-height: 1.25; }
.hm-abt-head p { color: var(--muted); font-size: 14px; letter-spacing: 2px; margin-top: 6px; }
.hm-abt-mark { display: flex; gap: 6px; padding-bottom: 10px; }
.hm-abt-mark i { width: 22px; height: 6px; border-radius: 3px; background: var(--gold); }
.hm-abt-mark i:last-child { width: 10px; background: var(--blue-700); opacity: .35; }
/* 主体：左文右图 */
.hm-abt-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 54px; align-items: center; }
.hm-abt-tx h3 { font-size: clamp(22px, 2.6vw, 31px); color: var(--blue-800); font-weight: 700; line-height: 1.5; letter-spacing: 1px; margin-bottom: 10px; }
.hm-abt-en { color: #9aa7ba; font-size: 12.5px; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 22px; }
.hm-abt-desc { color: var(--muted); font-size: 14.5px; text-align: justify; margin-bottom: 30px; }
.hm-abt-cta { display: inline-flex; align-items: center; gap: 14px; color: var(--blue-800); font-size: 15px; letter-spacing: 2px; font-weight: 600; }
.hm-abt-cta i {
  width: 44px; height: 44px; border-radius: 50%; background: var(--gold); color: #fff; font-style: normal; font-size: 17px;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(232, 163, 61, .42); transition: all .25s ease;
}
.hm-abt-cta:hover i { transform: translateX(5px); }
.hm-abt-img { position: relative; }
/* 图左上角金色角饰 */
.hm-abt-img::before {
  content: ""; position: absolute; left: -14px; top: -14px; width: 76px; height: 76px; z-index: 2;
  border-left: 3px solid var(--gold); border-top: 3px solid var(--gold); border-radius: 12px 0 0 0;
}
.hm-abt-img img { width: 100%; height: 400px; object-fit: cover; border-radius: 12px; box-shadow: 0 14px 36px rgba(20, 40, 80, .18); }
/* 数据卡：图标 + 数字（复用 .hm-stat b[data-num] 计数动画） */
.hm-abt-stats {
  margin-top: 54px; background: #fff; border-radius: 12px; padding: 32px 36px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px;
  box-shadow: 0 10px 30px rgba(20, 40, 80, .08);
}
.hm-stat { display: flex; align-items: center; gap: 14px; }
.hm-stat-ic {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: rgba(232, 163, 61, .14); color: var(--gold);
  display: inline-flex; align-items: center; justify-content: center;
}
.hm-stat-ic svg { width: 22px; height: 22px; }
.hm-stat b {
  display: block; color: var(--blue-800); font-size: clamp(26px, 3vw, 38px);
  font-weight: 700; line-height: 1.15; font-family: Georgia, serif;
}
.hm-stat small { display: block; margin-top: 4px; color: var(--muted); font-size: 12.5px; line-height: 1.5; letter-spacing: .5px; }

/* ---------------- 发展历程（参考稿1:1复刻） ---------------- */
.hm-his { position: relative; padding: 76px 0 96px; background: #fff; overflow: hidden; }
.hm-his-title { text-align: center; font-size: clamp(24px, 3vw, 32px); font-weight: 700; color: var(--blue-900); letter-spacing: 3px; }
.hm-his-sub { text-align: center; color: var(--muted); font-size: 14px; letter-spacing: 1px; margin-top: 12px; }
.hm-his-wrap { position: relative; margin-top: 60px; }
/* 中轴竖线（上下淡出） */
.hm-his-line {
  position: absolute; left: 50%; top: -36px; bottom: -52px; width: 2px; transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(0, 76, 169, 0) 0%, rgba(0, 76, 169, .45) 6%, rgba(0, 76, 169, .45) 94%, rgba(0, 76, 169, 0) 100%);
}
.hm-his-item { position: relative; width: 50%; padding: 20px 0; }
.hm-his-item.side-r { margin-left: 50%; padding-left: 48px; }
.hm-his-item.side-l { padding-right: 48px; }
/* 节点圆 + 连接短横线 */
.hm-his-node {
  position: absolute; top: 34px; width: 12px; height: 12px; border-radius: 50%; z-index: 2;
  background: #fff; border: 3px solid var(--blue-700);
}
.hm-his-item.side-r .hm-his-node { left: -6px; }
.hm-his-item.side-l .hm-his-node { right: -6px; }
.hm-his-conn { position: absolute; top: 38px; width: 36px; height: 2px; background: rgba(0, 76, 169, .35); }
.hm-his-item.side-r .hm-his-conn { left: 6px; }
.hm-his-item.side-l .hm-his-conn { right: 6px; }
/* 卡片 */
.hm-his-card {
  background: #fff; border: 1px solid #eef2f8; border-radius: 10px;
  box-shadow: 0 10px 28px rgba(20, 40, 80, .1); padding: 22px 26px;
}
.hm-his-item.side-l .hm-his-card { text-align: right; }
.hm-his-card h3 { color: var(--blue-700); font-size: 21px; font-weight: 700; letter-spacing: 1px; margin-bottom: 8px; }
.hm-his-card p { color: var(--muted); font-size: 13.5px; line-height: 1.9; }

/* ---------------- 产品推荐 ---------------- */
.hm-prd { position: relative; padding: 84px 0 70px; background: linear-gradient(180deg, #fff 0%, #edf3f9 100%); overflow: hidden; }
.hm-prd-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 6px; }
.hm-prd-head h2 { position: relative; font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; color: var(--blue-900); letter-spacing: 4px; margin-bottom: 42px; }
/* 标题下描边幽灵字 */
.hm-prd-ghost {
  position: absolute; left: 2px; top: 100%; margin-top: 0; line-height: 1;
  font-style: normal; font-family: Georgia, serif; font-weight: 700;
  font-size: clamp(32px, 4.4vw, 54px); letter-spacing: 6px;
  color: transparent; -webkit-text-stroke: 1px #dbe6f2; user-select: none;
}
.hm-prd-head p { color: var(--muted); font-size: 13.5px; letter-spacing: 1px; }
.hm-prd-more { display: inline-flex; align-items: center; gap: 10px; color: var(--blue-800); font-size: 14px; letter-spacing: 1px; padding-bottom: 8px; }
.hm-prd-more i {
  width: 38px; height: 38px; border-radius: 50%; background: var(--gold); color: #fff;
  font-style: normal; font-size: 20px; display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 5px 14px rgba(232, 163, 61, .4); transition: transform .3s ease;
}
.hm-prd-more:hover i { transform: rotate(90deg); }
/* 圆形舞台 */
.hm-prd-stage { position: relative; height: 560px; margin-top: 8px; }
.hm-prd-stage::before {
  content: ""; position: absolute; left: 50%; top: 215px; transform: translate(-50%, -50%);
  width: 640px; height: 640px; border-radius: 50%; border: 1px solid #d9e4f0;
}
.hm-prd-stage::after {
  content: ""; position: absolute; left: 50%; top: 215px; transform: translate(-50%, -50%);
  width: 480px; height: 480px; border-radius: 50%; background: #fff;
  box-shadow: 0 24px 60px rgba(20, 40, 80, .12);
}
.hm-prd-arc { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hm-prd-track { position: absolute; inset: 0; z-index: 1; }
.hm-prd-slide {
  position: absolute; top: 40px; left: 50%;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  opacity: 0; transform: translateX(-50%) scale(.5);
  transition: all .55s ease; pointer-events: none; z-index: 1;
}
.hm-prd-pic {
  display: block; width: 170px; height: 170px; border-radius: 50%; overflow: hidden;
  border: 6px solid #fff; background: #e8eff7; box-shadow: 0 10px 26px rgba(20, 40, 80, .16);
  transition: all .55s ease;
}
.hm-prd-pic img { width: 100%; height: 100%; object-fit: cover; }
.hm-prd-name { font-size: 13px; color: var(--muted); letter-spacing: 1px; max-width: 200px; text-align: center; transition: all .55s ease; }
.hm-prd-slide.is-prev, .hm-prd-slide.is-next { opacity: 1; transform: translateX(-50%) scale(.62); pointer-events: auto; z-index: 2; }
.hm-prd-slide.is-prev { margin-left: -430px; }
.hm-prd-slide.is-next { margin-left: 430px; }
.hm-prd-slide.is-cur { opacity: 1; transform: translateX(-50%); z-index: 3; pointer-events: auto; }
.hm-prd-slide.is-cur .hm-prd-pic { width: 350px; height: 350px; border-width: 10px; }
.hm-prd-slide.is-cur .hm-prd-name { font-size: 22px; color: var(--blue-800); font-weight: 700; letter-spacing: 2px; max-width: 430px; }
.hm-prd-nav { position: absolute; left: 0; right: 0; bottom: 44px; z-index: 4; display: flex; align-items: center; justify-content: center; gap: 18px; }
.hm-prd-arrow {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid #c8d6e6;
  background: #fff; color: var(--blue-800); font-size: 16px; cursor: pointer; transition: all .25s ease;
}
.hm-prd-arrow:hover { background: var(--blue-800); border-color: var(--blue-800); color: #fff; }
.hm-prd-btn {
  display: inline-flex; align-items: center; justify-content: center; min-width: 190px;
  padding: 12px 34px; border-radius: 30px; background: var(--blue-800); color: #fff;
  font-size: 14px; letter-spacing: 2px; box-shadow: 0 8px 20px rgba(0, 40, 80, .25); transition: all .25s ease;
}
.hm-prd-btn:hover { background: var(--gold); box-shadow: 0 8px 20px rgba(232, 163, 61, .4); }
.hm-prd-dots { position: absolute; left: 0; right: 0; bottom: 12px; z-index: 4; display: flex; justify-content: center; gap: 8px; }
.hm-prd-dots span { width: 18px; height: 3px; background: #c9d6e5; cursor: pointer; transition: all .25s ease; }
.hm-prd-dots span.on { background: var(--gold); }

/* ---------------- 核心业务（五联手风琴 · 参考稿1:1复刻 2026-09-27） ---------------- */
/* 版块宽度对齐下方新闻版块（.hm-container：max-width 1200px 含左右 20px 内边距） */
.hm-fld { padding: 0; background: var(--light); }
.hm-fld-strip {
  display: flex; height: clamp(420px, 30vw, 460px);
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
.hm-fld-panel {
  position: relative; flex: 1; overflow: hidden; cursor: pointer;
  transition: flex .5s cubic-bezier(.45, 0, .2, 1);
}
.hm-fld-panel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
/* 收起态：底部蓝色渐变晕带（透明 → 宝蓝） */
.hm-fld-mask {
  position: absolute; left: 0; right: 0; bottom: 0; height: 52%;
  background: linear-gradient(180deg, rgba(8, 52, 110, 0) 0%, rgba(10, 66, 138, .38) 55%, rgba(12, 78, 158, .72) 82%, rgba(14, 88, 172, .92) 100%);
  transition: opacity .4s ease;
}
.hm-fld-body {
  position: absolute; left: 20px; right: 16px; bottom: 24px; z-index: 2; color: #fff;
  display: flex; flex-direction: column; align-items: flex-start;
}
.hm-fld-ic { display: block; width: 24px; height: 24px; opacity: .95; }
.hm-fld-ic svg { width: 100%; height: 100%; }
.hm-fld-body h3 { font-size: 15px; font-weight: 600; letter-spacing: 1.5px; white-space: nowrap; margin-top: 12px; }
/* 收起/展开态标题下的短下划线（参考稿同款） */
.hm-fld-body h3::after {
  content: ""; display: block; width: 26px; height: 2px; margin-top: 12px;
  background: rgba(255, 255, 255, .92);
}
.hm-fld-desc, .hm-fld-go { display: none; }
/* 展开态：整块深蓝渐变卡片（顶部圆角）——左列图标+标题，右列描述+白色圆钮，中间竖分隔线 */
.hm-fld-panel.on { flex: 2; cursor: default; }
/* 激活面板：图片底部对齐，主体上移到信息卡片上方可见区 */
.hm-fld-panel.on img { transform: scale(1.04); object-position: center bottom; }
.hm-fld-panel.on .hm-fld-mask { opacity: 0; }
.hm-fld-panel.on .hm-fld-body {
  left: 0; right: 0; bottom: 0; top: 46%;
  padding: 34px 34px 30px 28px;
  background: linear-gradient(180deg, #03376c 0%, #0a428d 32%, #115a9e 60%, #1a6aaf 80%, #267cba 100%);
  border-radius: 18px 18px 0 0;
  display: grid; grid-template-columns: minmax(112px, auto) 1fr; grid-template-rows: auto 1fr auto;
  animation: fldCard .45s ease;
}
@keyframes fldCard { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hm-fld-panel.on .hm-fld-ic { grid-column: 1; grid-row: 1; width: 28px; height: 28px; }
.hm-fld-panel.on .hm-fld-desc {
  display: block; grid-column: 2; grid-row: 1 / span 3; align-self: stretch;
  margin-left: 24px; padding: 5px 0 0 24px;
  border-left: 1px solid rgba(255, 255, 255, .28);
  font-size: 13px; line-height: 1.9; letter-spacing: .5px; color: rgba(255, 255, 255, .95);
}
.hm-fld-panel.on .hm-fld-body h3 { grid-column: 1; grid-row: 3; align-self: end; margin-top: 0; }
.hm-fld-panel.on .hm-fld-body h3::after { width: 30px; height: 3px; margin-top: 14px; }
.hm-fld-panel.on .hm-fld-go {
  display: flex; grid-column: 2; grid-row: 3; align-self: end; justify-self: start;
  margin: 0 0 2px 25px;
  width: 34px; height: 34px; border-radius: 50%;
  background: #fff; color: #0d4e9b; font-style: normal; font-size: 15px; border: 0;
  align-items: center; justify-content: center; transition: all .25s ease;
}
.hm-fld-panel.on .hm-fld-go:hover { background: var(--gold); color: #fff; }
/* 窄屏横向图墙时长标题（如：废气近零排放循环利用）缩字防溢出（条带定宽 1160px 后仅小屏需要） */
@media (max-width: 1200px) {
  .hm-fld-body h3 { font-size: 13.5px; letter-spacing: 0; }
  .hm-fld-panel.on .hm-fld-body { padding: 26px 24px 24px 22px; }
  .hm-fld-panel.on .hm-fld-ic { width: 24px; height: 24px; }
  .hm-fld-panel.on .hm-fld-desc { font-size: 12.5px; margin-left: 18px; padding-left: 18px; }
  .hm-fld-panel.on .hm-fld-go { margin-left: 19px; width: 30px; height: 30px; font-size: 13px; }
}

/* ---------------- 板块 ---------------- */
.hm-section { padding: 80px 0; }
.hm-section.alt { background: var(--light); }
.hm-sec-head { text-align: center; margin-bottom: 52px; }
.hm-sec-head .hm-ring { display: inline-block; margin-bottom: 10px; }
.hm-sec-head h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 700; color: var(--blue-800); letter-spacing: 3px; }
.hm-sec-head p { color: var(--muted); font-size: 14px; margin-top: 6px; letter-spacing: 1px; }

/* 产业布局卡片 */
.hm-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.hm-card {
  background: #fff; border-radius: 10px; overflow: hidden;
  box-shadow: 0 4px 16px rgba(20, 40, 80, .06); transition: all .3s ease;
}
.hm-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(20, 40, 80, .16); }
.hm-card .hm-card-img { position: relative; height: 190px; overflow: hidden; }
.hm-card .hm-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.hm-card:hover .hm-card-img img { transform: scale(1.06); }
.hm-card .hm-card-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 38, 77, .72));
}
.hm-card .hm-card-idx {
  position: absolute; left: 14px; top: 12px; z-index: 2;
  color: var(--blue-900); background: var(--gold); font-size: 12px; font-weight: 700;
  border-radius: 3px; padding: 2px 9px; letter-spacing: 1px;
}
.hm-card .hm-card-tx { padding: 16px 18px 20px; }
.hm-card .hm-card-tx h3 { font-size: 17px; color: var(--blue-800); margin-bottom: 6px; font-weight: 700; }
.hm-card .hm-card-tx p { color: var(--muted); font-size: 13px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------- 合作伙伴（设计稿复刻 · 容器定宽版） ----------------
   版块内容收进 .hm-container（内容宽 1160px，与新闻版块同宽对齐），
   以 1920 稿件 0.6 比例换算为固定像素：卡 137x78、列距 143.4；
   左缘卡近乎实体、文案区后方为低透明度幽灵卡（.gh + --o），行在容器两缘裁切。 */
.hm-pat {
  position: relative; padding: 46px 0 54px;
  /* 水平微渐变（与卡片栅格同向），替代原斜向光带，消除方向冲突带来的拼贴感 */
  background: linear-gradient(90deg, #edf1fa 0%, #f2f5fc 42%, #f5f8fd 100%);
  overflow: hidden;
}
/* 内容高=4行卡(4×84+3×14=378)，文案首尾与墙首末行齐平收口 */
.hm-pat-in { position: relative; height: 378px; overflow: hidden; }
/* 左侧文案区（top=-19 使首行 PARTNERS 与墙顶 0 位对齐，按钮底恰好落在墙底） */
.hm-pat-intro { position: absolute; z-index: 3; left: 0; top: -19px; width: 340px; height: 397px; }
.hm-pat-ghost {
  position: absolute; left: 0; top: 15px; line-height: 1;
  font-family: Arial, sans-serif; font-weight: 600;
  font-size: 24px; letter-spacing: .5px;
  color: #c9ccd4; user-select: none;
}
.hm-pat-intro h2 {
  position: absolute; left: 0; top: 53px; line-height: 1;
  font-size: 35px; font-weight: 800; letter-spacing: .5px;
  color: #0c1730; white-space: nowrap;
}
.hm-pat-tag {
  position: absolute; left: 0; top: 113px; line-height: 1.5;
  font-size: 12px; letter-spacing: .5px;
  color: #667085; white-space: nowrap;
}
.hm-pat-num { position: absolute; left: 0; top: 192px; font-family: Arial, sans-serif; font-weight: 800; line-height: 1; color: #004ca9; }
.hm-pat-num b { font-size: 76px; line-height: 1; letter-spacing: 1px; }
.hm-pat-num sup { font-size: 28px; line-height: 1; color: #6694cb; vertical-align: top; position: relative; top: 4px; margin-left: 3px; }
.hm-pat-note {
  position: absolute; left: 0; top: 286px; line-height: 1;
  font-size: 20px; letter-spacing: 1px;
  color: #2e333b; font-weight: 600; white-space: nowrap;
}
.hm-pat-btn {
  position: absolute; left: 0; top: 349px;
  display: flex; align-items: center; justify-content: center;
  min-width: 136px; height: 48px; padding: 0 23px; white-space: nowrap;
  border: 1px solid #8cadd9; border-radius: 24px;
  background: rgba(255, 255, 255, .32);
  color: #004ca9; font-size: 17px; letter-spacing: 1px;
  transition: all .25s ease;
}
.hm-pat-btn:hover { background: #004ca9; border-color: #004ca9; color: #fff; }
/* 卡片墙：与左侧文案区共用同一容器栅格（左起376px，6列等宽、横竖间距一致） */
.hm-pat-wall {
  position: absolute; left: 376px; right: 0; top: 0; bottom: 0; z-index: 1;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
  align-content: center;
}
.hm-pat-card {
  display: flex; align-items: center; justify-content: center;
  height: 84px;
  background: #fff; border: 1px solid rgba(12, 23, 48, .09); border-radius: 8px;
  box-shadow: 0 5px 14px rgba(12, 23, 48, .07);
  transition: transform .3s ease, box-shadow .3s ease;
}
.hm-pat-card:hover { transform: translateY(-4px); box-shadow: 0 10px 22px rgba(0, 76, 169, .16); }
.hm-pat-card img { width: auto; height: auto; max-width: 80%; max-height: 64px; }
/* 滚动入场：按6个一组逐行错落浮现（JS 在进入视口前加 wall-prep，进入时加 wall-in；无 JS 恒可见） */
.hm-pat-in.wall-prep .hm-pat-card { opacity: 0; transform: translateY(16px); }
.hm-pat-in.wall-prep.wall-in .hm-pat-card { opacity: 1; transform: none; }
.hm-pat-in.wall-in .hm-pat-card { transition: opacity .5s ease, transform .5s ease; }
.hm-pat-in.wall-in .hm-pat-card:nth-child(n+7) { transition-delay: .07s; }
.hm-pat-in.wall-in .hm-pat-card:nth-child(n+13) { transition-delay: .14s; }
.hm-pat-in.wall-in .hm-pat-card:nth-child(n+19) { transition-delay: .21s; }
.hm-pat-in.wall-in .hm-pat-card:nth-child(n+25) { transition-delay: .28s; }
@media (max-width: 1199px) {
  .hm-pat { height: auto; padding: 52px 0 24px; }
  .hm-pat-in { height: auto; overflow: visible; }
  .hm-pat-intro { position: static; width: auto; height: auto; padding: 0 20px; }
  .hm-pat-ghost { position: static; display: block; font-size: 23px; letter-spacing: 3px; }
  .hm-pat-intro h2 { position: static; margin-top: 4px; font-size: 36px; letter-spacing: 4px; }
  .hm-pat-tag { position: static; margin-top: 8px; font-size: 16px; letter-spacing: 1px; white-space: normal; }
  .hm-pat-num { position: static; margin-top: 18px; }
  .hm-pat-num b { font-size: 76px; }
  .hm-pat-num sup { font-size: 28px; top: 2px; margin-left: 3px; }
  .hm-pat-note { position: static; margin-top: 6px; font-size: 19px; letter-spacing: 1px; white-space: normal; }
  .hm-pat-btn { position: static; margin-top: 16px; display: inline-flex; min-width: 176px; height: 52px; border-radius: 26px; font-size: 17px; letter-spacing: 2px; padding: 0 32px; }
  /* padding-left 15（右侧仍20）：补偿8px圆角造成的卡片视觉左缘内缩，使首行卡片白面起点与文案墨迹同线于x=40 */
  .hm-pat-wall { position: static; margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0 20px 0 15px; }
  .hm-pat-card { width: auto; height: 96px; border-radius: 8px; }
  .hm-pat-card img { max-width: 80%; max-height: 66px; }
}

/* 重点项目 */
.hm-cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.hm-case { position: relative; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 14px rgba(20, 40, 80, .08); }
.hm-case img { width: 100%; height: 150px; object-fit: cover; transition: transform .4s ease; }
.hm-case:hover img { transform: scale(1.06); }
.hm-case::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 30, 66, .78));
}
.hm-case .hm-case-tx { position: absolute; left: 14px; right: 14px; bottom: 12px; z-index: 2; color: #fff; font-size: 13.5px; }
.hm-case .hm-case-tx b { color: var(--gold-l); font-weight: 400; font-size: 12px; display: block; margin-top: 2px; }

/* ---------------- 新闻动态（参考稿1:1复刻） ---------------- */
.hm-nws { padding: 70px 0 84px; background: var(--light); }
.hm-nws-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.hm-nws-cats { display: flex; align-items: center; gap: 16px; }
.hm-nws-cats a { color: var(--muted); font-size: 14px; letter-spacing: 1px; transition: color .2s ease; }
.hm-nws-cats a.cur, .hm-nws-cats a:hover { color: var(--blue-800); font-weight: 600; }
.hm-nws-sep { color: #c6cfda; }
.hm-nws-more { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-800); font-size: 14px; letter-spacing: 1px; }
.hm-nws-more i { font-style: normal; font-size: 13px; transition: transform .25s ease; }
.hm-nws-more:hover i { transform: translateX(4px); }
/* 焦点新闻：左图 + 右侧日期标题（上下箭头切换） */
.hm-nws-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center; margin-bottom: 32px; }
.hm-nws-slider { position: relative; height: 380px; overflow: hidden; border-radius: 8px; background: var(--blue-900); box-shadow: 0 10px 26px rgba(20, 40, 80, .12); }
.hm-nws-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease; }
.hm-nws-slide.on { opacity: 1; visibility: visible; }
.hm-nws-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hm-nws-cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 12px 20px; color: #fff; font-size: 14.5px; letter-spacing: 1px;
  background: linear-gradient(180deg, rgba(0, 38, 77, 0), rgba(0, 38, 77, .88));
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.hm-nws-feat-tx { position: relative; padding-right: 76px; }
.hm-nws-date { display: flex; align-items: baseline; gap: 8px; margin-bottom: 16px; }
.hm-nws-date b { font-family: Georgia, serif; font-size: 58px; font-weight: 700; color: var(--blue-800); line-height: 1; }
.hm-nws-date span { color: var(--muted); font-size: 14px; letter-spacing: 1px; }
.hm-nws-feat-tx h3 a {
  font-size: 20px; color: var(--ink); font-weight: 600; line-height: 1.75; transition: color .2s ease;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.hm-nws-feat-tx h3 a:hover { color: var(--blue-700); }
.hm-nws-arrows { position: absolute; right: 0; top: 10px; display: flex; flex-direction: column; gap: 8px; }
.hm-nws-arrows button {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid #c8d6e6;
  background: #fff; color: var(--blue-800); font-size: 11px; cursor: pointer; transition: all .25s ease;
}
.hm-nws-arrows button:hover { background: var(--blue-800); border-color: var(--blue-800); color: #fff; }
/* 新闻卡片 × 3 */
.hm-nws-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.hm-nws-card {
  position: relative; display: block; background: #fff; border: 1px solid #e8edf4; border-radius: 8px;
  padding: 22px 24px 60px; transition: all .3s ease;
}
.hm-nws-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(20, 40, 80, .1); border-color: transparent; }
.hm-nws-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hm-nws-tag { background: var(--blue-800); color: #fff; font-size: 12px; padding: 3px 12px; border-radius: 3px; letter-spacing: 1px; }
.hm-nws-day { font-family: Georgia, serif; font-size: 38px; font-weight: 700; color: #a9c0dd; line-height: 1; }
.hm-nws-card h4 {
  font-size: 15.5px; color: var(--ink); font-weight: 600; line-height: 1.6; margin-bottom: 10px; min-height: 50px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hm-nws-card p {
  color: var(--muted); font-size: 12.5px; line-height: 1.8;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hm-nws-go {
  position: absolute; left: 24px; bottom: 18px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue-800); color: #fff; font-size: 12px;
  display: flex; align-items: center; justify-content: center; transition: background .25s ease;
}
.hm-nws-card:hover .hm-nws-go { background: var(--gold); }
.hm-more { text-align: center; margin-top: 40px; }

/* 关于 */
.hm-about { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.hm-about .hm-sec-head { text-align: left; margin-bottom: 24px; }
.hm-about-tx p { color: var(--muted); font-size: 14.5px; text-align: justify; margin-bottom: 24px; }
.hm-about-img { border-radius: 12px; overflow: hidden; box-shadow: 0 10px 30px rgba(20, 40, 80, .18); }
.hm-about-img img { width: 100%; height: 380px; object-fit: cover; }

/* ---------------- 页脚 ---------------- */
.hm-footer { background: var(--blue-900); color: rgba(255, 255, 255, .78); padding-top: 60px; }
.hm-footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; padding-bottom: 44px; }
.hm-footer-grid h4 { color: #fff; font-size: 16px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.hm-footer-grid h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--gold); }
.hm-footer-grid ul li { margin-bottom: 9px; }
.hm-footer-grid ul a { color: rgba(255, 255, 255, .72); font-size: 13.5px; transition: all .2s ease; }
.hm-footer-grid ul a:hover { color: var(--gold-l); padding-left: 6px; }
.hm-footer-grid .hm-fc p { font-size: 13px; line-height: 2; color: rgba(255, 255, 255, .72); }
.hm-footer-grid .hm-fc p b { color: var(--gold-l); font-weight: 400; }
.hm-fc-qr { display: flex; gap: 18px; margin-top: 10px; }
.hm-fc-qr span { text-align: center; font-size: 12px; color: rgba(255, 255, 255, .6); }
.hm-fc-qr span img { width: 92px; height: 92px; object-fit: cover; border: 2px solid rgba(255, 255, 255, .16); border-radius: 6px; margin-bottom: 6px; }
.hm-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12); padding: 18px 0 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12.5px; color: rgba(255, 255, 255, .55);
}
.hm-footer-bottom a { color: rgba(255, 255, 255, .65); margin: 0 6px; }
.hm-footer-bottom a:hover { color: var(--gold-l); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hm-cards { grid-template-columns: repeat(2, 1fr); }
  .hm-cases { grid-template-columns: repeat(2, 1fr); }
  .hm-prd-slide.is-prev { margin-left: -310px; }
  .hm-prd-slide.is-next { margin-left: 310px; }
}
@media (max-width: 980px) {
  .hm-menu {
    position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(0, 30, 66, .98);
    opacity: 0; visibility: hidden;
    box-shadow: 0 14px 30px rgba(0, 15, 40, .4);
    /* 收起时禁止命中：防止内部 visibility:visible 的二级菜单透出劫持点击 */
    pointer-events: none;
  }
  .hm-nav.open .hm-menu { opacity: 1; visibility: visible; pointer-events: auto; }
  .hm-menu > ul { flex-direction: column; align-items: stretch; gap: 0; max-height: calc(100vh - 78px); overflow: auto; }
  .hm-nav-item > a { padding: 14px 24px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .hm-sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-top: 0; background: rgba(0, 0, 0, .18); padding: 0; }
  .hm-sub a { padding: 11px 36px; font-size: 13px; }
  .hm-burger { display: flex; }
  .hm-search { padding-left: 10px; }
  .hm-search input { width: 84px; }
}
@media (max-width: 768px) {
  .hm-abt { padding: 60px 0 54px; }
  .hm-abt-grid { grid-template-columns: 1fr; gap: 32px; }
  .hm-abt-img img { height: 250px; }
  .hm-abt-img::before { left: -10px; top: -10px; width: 56px; height: 56px; }
  .hm-abt-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 24px 20px; margin-top: 40px; }
  .hm-abt-skyline { height: 96px; background-size: 900px 145px; }
  .hm-prd { padding: 60px 0 56px; }
  .hm-prd-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hm-prd-stage { height: 430px; }
  .hm-prd-stage::before { width: 420px; height: 420px; }
  .hm-prd-stage::after { width: 320px; height: 320px; }
  .hm-prd-slide { top: 24px; }
  .hm-prd-slide .hm-prd-pic { width: 130px; height: 130px; }
  .hm-prd-slide.is-cur .hm-prd-pic { width: 250px; height: 250px; border-width: 8px; }
  .hm-prd-slide.is-cur .hm-prd-name { font-size: 17px; }
  .hm-prd-slide.is-prev, .hm-prd-slide.is-next { opacity: 0; pointer-events: none; }
  .hm-prd-nav { bottom: 54px; }
  .hm-fld-strip { flex-direction: column; height: auto; }
  .hm-fld-panel, .hm-fld-panel.on { flex: none; height: 86px; transition: height .45s ease; }
  .hm-fld-panel.on { height: 340px; }
  .hm-fld-mask { height: 60%; }
  /* 移动端激活面板：图片底部对齐，设备主体上移到信息卡片可见区 */
  .hm-fld-panel.on img { object-position: center bottom; }
  .hm-fld-body { left: 0; right: 0; bottom: 0; padding: 0 16px 14px 18px; }
  .hm-fld-body h3 { margin-top: 8px; font-size: 15.5px; }
  .hm-fld-body h3::after { margin-top: 8px; }
  .hm-fld-panel.on .hm-fld-body { top: auto; padding: 18px 16px 20px 18px; grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; }
  .hm-fld-panel.on .hm-fld-ic { grid-column: 1; grid-row: 1; width: 26px; height: 26px; }
  .hm-fld-panel.on .hm-fld-body h3 { grid-column: 1; grid-row: 2; align-self: auto; margin-top: 10px; font-size: 15.5px; }
  .hm-fld-panel.on .hm-fld-body h3::after { margin-top: 10px; }
  .hm-fld-panel.on .hm-fld-desc { grid-column: 1; grid-row: 3; margin: 12px 0 0 0; padding: 12px 0 0 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, .28); font-size: 12.5px; line-height: 1.8; }
  .hm-fld-panel.on .hm-fld-go { grid-column: 1; grid-row: 4; margin: 14px 0 0 0; width: 30px; height: 30px; font-size: 13px; }
  .hm-his { padding: 56px 0 72px; }
  .hm-his-line { left: 24px; top: -20px; bottom: -30px; }
  .hm-his-item, .hm-his-item.side-r { width: auto; margin-left: 0; padding: 16px 0 16px 44px; }
  .hm-his-item.side-l { padding-right: 0; }
  .hm-his-item .hm-his-node { left: 18px; right: auto; top: 30px; }
  .hm-his-conn { display: none; }
  .hm-his-card, .hm-his-item.side-l .hm-his-card { text-align: left; padding: 18px 20px; }
  .hm-his-card h3 { font-size: 18px; }
  .hm-nws { padding: 56px 0 64px; }
  .hm-nws-top { margin-bottom: 22px; }
  .hm-nws-grid { grid-template-columns: 1fr; gap: 26px; margin-bottom: 24px; }
  .hm-nws-slider { height: 230px; }
  .hm-nws-feat-tx { padding-right: 56px; }
  .hm-nws-date b { font-size: 44px; }
  .hm-nws-feat-tx h3 a { font-size: 17px; }
  .hm-nws-cards { grid-template-columns: 1fr; gap: 16px; }
  .hm-nws-card { padding: 18px 20px 54px; }
  .hm-nws-card h4 { min-height: 0; }
  .hm-about { grid-template-columns: 1fr; gap: 30px; }
  .hm-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .hm-section { padding: 56px 0; }
}
@media (max-width: 640px) {
  .hm-pat-wall { grid-template-columns: repeat(3, 1fr); }
  .hm-nav-in { padding: 0 14px; gap: 8px; }
  .hm-tools { gap: 10px; }
  .hm-search { padding-left: 4px; }
  .hm-search input { display: none; }
  .hm-logo-tx b { font-size: 17px; letter-spacing: 2px; }
  .hm-logo-img { height: 40px; }
  .hm-logo-tx i { font-size: 9px; letter-spacing: 1.5px; }
  .hm-slide-copy { padding: 0 20px; max-width: none; }
  .hm-slide-copy h1 { letter-spacing: 2px; }
  .hm-slide-copy .hm-lead { letter-spacing: 1.5px; }
  /* 移动端使用竖版专图（picture 切换），主体集中在画面中下部，文案整体上移避免遮挡图片主体 */
  .hm-hero-slide.s1 img, .hm-hero-slide.s2 img, .hm-hero-slide.s3 img { object-position: center center; }
  .hm-slide-copy { top: 96px; transform: none; }
  /* 明亮摄影底图上保证白字可读：顶部加深色纱（渐变放缓避免硬拼感），中下部保持通透不盖主体；轻暗角融边 */
  .hm-hero-slide::after {
    background:
      linear-gradient(180deg, rgba(3, 22, 52, .74) 0%, rgba(4, 26, 58, .46) 34%, rgba(6, 30, 64, .1) 56%, transparent 74%),
      linear-gradient(0deg, rgba(3, 20, 50, .5) 0%, transparent 24%),
      radial-gradient(130% 78% at 50% 55%, transparent 62%, rgba(3, 20, 50, .2) 100%);
  }
  /* 第2屏（湖景绿色调）：叠一层极轻的品牌蓝罩统一色温，消除顶部深蓝与绿色场景的"拼接"断层 */
  .hm-hero-slide.s2::after {
    background:
      linear-gradient(180deg, rgba(3, 22, 52, .74) 0%, rgba(4, 26, 58, .46) 34%, rgba(6, 30, 64, .1) 56%, transparent 74%),
      linear-gradient(0deg, rgba(3, 20, 50, .5) 0%, transparent 24%),
      linear-gradient(180deg, rgba(12, 48, 96, .2) 0%, rgba(12, 48, 96, .13) 55%, rgba(12, 48, 96, .07) 100%),
      radial-gradient(130% 78% at 50% 55%, transparent 62%, rgba(3, 20, 50, .2) 100%);
  }
}
@media (max-width: 520px) {
  .hm-cards, .hm-cases { grid-template-columns: 1fr; }
  .hm-hero-meta { left: 18px; bottom: 24px; }
  .hm-arrows { display: none; }
  .hm-about-img img { height: 260px; }
  .hm-footer-grid { grid-template-columns: 1fr; }
  .hm-abt-head { margin-bottom: 30px; }
  .hm-abt-head h2 { letter-spacing: 2px; }
  .hm-abt-tx h3 { font-size: 21px; }
  .hm-abt-stats { gap: 16px; }
  .hm-stat { gap: 10px; }
  .hm-stat-ic { width: 40px; height: 40px; }
  .hm-stat-ic svg { width: 18px; height: 18px; }
  .hm-stat b { font-size: 24px; }
  .hm-stat small { font-size: 11.5px; }
  .hm-prd-head h2 { letter-spacing: 2px; }
  .hm-prd-stage { height: 400px; }
  .hm-prd-slide.is-cur .hm-prd-pic { width: 220px; height: 220px; }
  .hm-prd-slide.is-cur .hm-prd-name { font-size: 15px; }
  .hm-prd-btn { min-width: 160px; padding: 11px 24px; font-size: 13px; }
  .hm-fld-panel.on { height: 300px; }
}
/* ---------------- 滚动入场动画（data-reveal，由 home.js 配合 IO+轮询驱动） ---------------- */
/* 仅在 html.reveal-armed（JS 已加载）时才隐藏待显元素；无 JS 环境内容照常显示 */
.reveal-armed [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.22, .61, .36, 1);
  transition-delay: var(--rvd, 0ms);
}
.reveal-armed [data-reveal="left"] { transform: translateX(-40px); }
.reveal-armed [data-reveal="right"] { transform: translateX(40px); }
.reveal-armed [data-reveal="zoom"] { transform: scale(.95) translateY(20px); }
.reveal-armed [data-reveal].is-in { opacity: 1; transform: none; }

/* Hero 文案首屏加载依次上浮（仅首载播放一次，切换时保持原有淡切不受干扰） */
.hm-slide-copy > * {
  animation: hmCopyRise .85s cubic-bezier(.22, .61, .36, 1) backwards;
}
.hm-slide-copy > *:nth-child(1) { animation-delay: .3s; }
.hm-slide-copy > *:nth-child(2) { animation-delay: .45s; }
.hm-slide-copy > *:nth-child(3) { animation-delay: .6s; }
.hm-slide-copy > *:nth-child(4) { animation-delay: .75s; }
@keyframes hmCopyRise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

/* 尊重系统减弱动效设置 */
@media (prefers-reduced-motion: reduce) {
  .reveal-armed [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hm-slide-copy > * { animation: none !important; }
}