/* ===== 祥杰机械 官网首页 H5 ===== */
:root {
  --navy: #0a2a4a;
  --navy-dark: #071f36;
  --navy-light: #123a63;
  --blue: #1b5fa8;
  --orange: #ff7a1a;
  --orange-light: #ff8f3d;
  --yellow: #ffc53d;
  --bg-light: #f5f7fa;
  --white: #ffffff;
  --text: #23333f;
  --text-light: #5a6b7a;
  --border: #e2e8ef;
  --shadow: 0 10px 40px rgba(10,42,74,0.12);
  --radius: 16px;
  --maxw: 1240px;
  --font: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { font-family:var(--font); color:var(--text); background:#fff; line-height:1.6; overflow-x:hidden; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
.container { max-width:var(--maxw); margin:0 auto; padding:0 24px; }

/* 通用按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:40px;
  font-size:15px; font-weight:600; color:#fff; background:var(--orange); transition:all .3s; }
.btn:hover { background:var(--orange-light); transform:translateY(-2px); box-shadow:0 8px 24px rgba(255,122,26,.35); }
.btn .arr { transition:transform .3s; }
.btn:hover .arr { transform:translateX(4px); }
.btn-navy { background:var(--navy); }
.btn-navy:hover { background:var(--navy-light); box-shadow:0 8px 24px rgba(10,42,74,.3); }

/* 板块标签 */
.sec-tag { display:inline-flex; align-items:center; gap:8px; padding:6px 16px; border-radius:20px;
  font-size:13px; font-weight:600; letter-spacing:.5px; }
.sec-tag .dot { width:8px; height:8px; border-radius:50%; }
.sec-tag.light { background:rgba(255,255,255,.12); color:#fff; border:1px solid rgba(255,255,255,.25); }
.sec-tag.light .dot { background:var(--yellow); }
.sec-tag.dark { background:#e8f0fb; color:var(--navy); border:1px solid #cfdff2; }
.sec-tag.dark .dot { background:var(--orange); }

.sec-head { text-align:center; margin-bottom:52px; }
.sec-head .sec-tag { margin-bottom:16px; }
.sec-head h2 { font-size:38px; color:var(--navy); font-weight:800; line-height:1.25; }
.sec-head .sub { margin-top:12px; font-size:16px; color:var(--text-light); }

/* 隐藏滚动条 */
::-webkit-scrollbar { width:8px; height:8px; }
::-webkit-scrollbar-thumb { background:#c2cfdc; border-radius:8px; }
::-webkit-scrollbar-track { background:transparent; }

/* ============ 顶部导航 ============ */
.header { position:fixed; top:0; left:0; right:0; z-index:1000; background:linear-gradient(180deg, rgba(7,31,54,.55), rgba(7,31,54,.2));
  backdrop-filter:blur(4px); transition:box-shadow .3s, background .3s; }
.header.scrolled { background:rgba(7,31,54,.9); box-shadow:0 4px 20px rgba(0,0,0,.25); backdrop-filter:blur(12px); }
.nav-inner { display:flex; align-items:center; gap:12px; height:72px; }
.brand { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand-logo-img { width:46px; height:auto; max-height:44px; object-fit:contain; filter:drop-shadow(0 2px 6px rgba(0,0,0,.3)); }
.brand-logo { width:44px; height:44px; border-radius:10px; background:linear-gradient(135deg,var(--green,#22a45d),var(--navy-light));
  display:flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:20px; }
.brand-txt { color:#fff; line-height:1.2; }
.brand-txt b { font-size:19px; font-weight:800; display:block; letter-spacing:1px; }
.brand-txt span { font-size:11px; color:#ffc53d; letter-spacing:2px; }

.nav-menu { display:flex; align-items:center; gap:6px; margin-left:auto; }
.nav-menu a { padding:8px 15px; color:#e6edf5; font-size:15px; font-weight:500; border-radius:8px; transition:all .3s; position:relative; }
.nav-menu a:hover, .nav-menu a.active { color:var(--orange); }
.nav-menu a.active::after { content:""; position:absolute; left:15px; right:15px; bottom:2px; height:3px; border-radius:3px; background:var(--orange); }

.nav-right { display:flex; align-items:center; gap:12px; margin-left:14px; flex-shrink:0; }
.nav-phone { color:#fff; font-size:14px; font-weight:600; }
.nav-phone .ph-ico { color:var(--orange); }
.search-btn { width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.3); color:#fff;
  display:flex; align-items:center; justify-content:center; transition:all .3s; }
.search-btn:hover { background:var(--orange); border-color:var(--orange); }

/* 汉堡菜单 */
.hamburger { display:none; flex-direction:column; justify-content:center; gap:5px; width:42px; height:42px;
  margin-left:auto; padding:0 9px; cursor:pointer; border:0; background:transparent; flex-shrink:0;
  position:relative; z-index:1001; }
.hamburger span { display:block; width:100%; height:3px; background:#fff; border-radius:3px; transition:all .3s;
  flex-shrink:0; }
.hamburger:hover span { background:#ffc53d; }
.hamburger.open span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; }
.hamburger.open span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

.mobile-menu { position:fixed; top:72px; left:0; right:0; bottom:0; background:rgba(7,31,54,.98);
  z-index:999; display:flex; flex-direction:column; padding:24px; gap:6px; transform:translateX(100%);
  transition:transform .35s ease; overflow-y:auto; }
.mobile-menu.open { transform:translateX(0); }
.mobile-menu a { color:#e6edf5; font-size:18px; font-weight:600; padding:15px 8px; border-bottom:1px solid rgba(255,255,255,.08); }
.mobile-menu a.active { color:var(--orange); }
.mobile-menu .m-phone { margin-top:16px; color:#fff; text-align:center; font-size:15px; }
.mobile-menu .m-btn { text-align:center; margin-top:14px; }

/* ============ Banner 轮播 ============ */
.banner { position:relative; height:100vh; min-height:620px; max-height:820px; overflow:hidden; }
.banner-track { display:flex; height:100%; transition:transform .8s cubic-bezier(.77,0,.18,1); }
.banner-slide { position:relative; flex:0 0 100%; height:100%; background-size:cover; background-position:center; }
.banner-slide::before { content:""; position:absolute; inset:0; background:linear-gradient(90deg, rgba(7,31,54,.92) 0%, rgba(10,42,74,.65) 45%, rgba(10,42,74,.25) 100%); }
/* 蓝天白云版Banner：浅色蒙版，保留蓝天与厂房主体 */
.banner-slide.sky-banner::before { background:linear-gradient(90deg, rgba(7,31,54,.78) 0%, rgba(7,31,54,.38) 42%, rgba(7,31,54,.08) 100%); }
.banner-slide.sky-banner h1, .banner-slide.sky-banner .desc { text-shadow:0 3px 16px rgba(7,31,54,.55); }
/* 银灰色工业风Banner：轻蒙版保留银灰设备质感，文字加投影 */
.banner-slide.banner2-slide::before { background:linear-gradient(90deg, rgba(7,31,54,.72) 0%, rgba(7,31,54,.3) 42%, rgba(7,31,54,.05) 100%); }
.banner-slide.banner2-slide h1, .banner-slide.banner2-slide .desc { text-shadow:0 3px 16px rgba(7,31,54,.55); }

/* 全球销售网络Banner：科技底 + 世界地图浮层 */
.banner3-bg { position:absolute; inset:0; background-size:cover; background-position:center; }
.banner3-slide::before { content:""; position:absolute; inset:0; z-index:1;
  background:linear-gradient(90deg, rgba(7,31,54,.88) 0%, rgba(7,31,54,.5) 40%, rgba(7,31,54,.15) 100%); }
.banner3-map { position:absolute; z-index:1; right:4%; top:18%; width:52%; opacity:.94;
  filter:drop-shadow(0 10px 40px rgba(0,0,0,.5)) drop-shadow(0 0 30px rgba(27,95,168,.6));
  animation:mapFloat 6s ease-in-out infinite; }
@keyframes mapFloat { 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-12px);} }
.banner3-slide .banner-content { z-index:2; }
.banner3-slide .badge-tag { background:rgba(255,197,61,.14); border-color:rgba(255,197,61,.45); }
.banner3-slide h1, .banner3-slide .desc { text-shadow:0 3px 16px rgba(7,31,54,.6); }
@media (max-width:860px){ .banner3-map{ width:80%; right:10%; top:30%; opacity:.5; } }
.banner-content { position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; height:100%;
  display:flex; flex-direction:column; justify-content:center; padding:0 24px; padding-top:72px; }
.badge-tag { display:inline-flex; align-items:center; gap:8px; padding:8px 18px; border-radius:30px;
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.3); color:#fff; font-size:14px;
  margin-bottom:22px; backdrop-filter:blur(4px); width:fit-content; }
.banner-content h1 { color:#fff; font-size:54px; font-weight:800; line-height:1.25; max-width:700px;
  text-shadow:0 4px 20px rgba(0,0,0,.3); }
.banner-content .desc { margin-top:22px; color:#dfe8f2; font-size:18px; max-width:640px; }
.banner-content .banner-btn { margin-top:34px; }

.banner-nav { position:absolute; bottom:40px; left:50%; transform:translateX(-50%); z-index:3;
  display:flex; align-items:center; gap:18px; }
.banner-dots { display:flex; gap:10px; }
.banner-dots span { width:10px; height:10px; border-radius:50%; background:rgba(255,255,255,.4); cursor:pointer; transition:all .3s; }
.banner-dots span.active { width:30px; border-radius:6px; background:var(--orange); }
.banner-arrows { position:absolute; right:30px; bottom:34px; z-index:3; display:flex; gap:12px; }
.banner-arrow { width:48px; height:48px; border-radius:50%; border:1px solid rgba(255,255,255,.35); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:20px; transition:all .3s;
  background:rgba(255,255,255,.08); }
.banner-arrow:hover { background:var(--orange); border-color:var(--orange); }
.banner-count { position:absolute; bottom:48px; right:96px; z-index:3; color:#fff; font-size:15px; font-weight:600; }
.banner-count b { font-size:26px; color:var(--orange); }

/* ============ 走进祥杰 About ============ */
.about { padding:96px 0; background:var(--bg-light); position:relative; overflow:hidden; }
.about::after { content:""; position:absolute; right:-120px; bottom:-120px; width:420px; height:420px;
  background:radial-gradient(circle, rgba(27,95,168,.06), transparent 70%); }
.about-grid { display:grid; grid-template-columns:1.1fr 0.9fr; gap:60px; align-items:center; position:relative; z-index:1; }
.about .sec-tag { margin-bottom:20px; }
.about h2 { font-size:40px; color:var(--navy); font-weight:800; line-height:1.25; margin-bottom:24px; }
.about p.body { font-size:15.5px; color:var(--text-light); margin-bottom:16px; }
.about-adv { margin-top:30px; }
.about-experience { display:flex; align-items:center; gap:22px; margin-bottom:26px; }
.exp-num { width:110px; height:110px; border-radius:16px; background:linear-gradient(135deg,var(--orange),var(--orange-light));
  display:flex; flex-direction:column; align-items:center; justify-content:center; color:#fff; box-shadow:0 10px 26px rgba(255,122,26,.3);
  transform:rotate(-3deg); }
.exp-num b { font-size:42px; line-height:1; font-weight:800; }
.exp-num small { font-size:13px; font-weight:600; margin-top:4px; }
.exp-label { font-size:16px; font-weight:700; color:var(--navy); }
.adv-list { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.adv-item { display:flex; align-items:flex-start; gap:10px; padding:14px; border-radius:12px; background:#fff;
  box-shadow:var(--shadow); font-size:14px; color:var(--text); }
.adv-check { width:22px; height:22px; border-radius:50%; background:var(--blue); color:#fff; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:13px; }
.about-media { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.about-media .img-main { grid-column:1/3; border-radius:20px; overflow:hidden; position:relative; box-shadow:var(--shadow); }
.about-media .img-main img { width:100%; height:360px; object-fit:cover; transition:transform .6s; }
.about-media .img-main:hover img { transform:scale(1.05); }
.about-media .img-sub { border-radius:14px; overflow:hidden; box-shadow:var(--shadow); }
.about-media .img-sub img { width:100%; height:190px; object-fit:cover; transition:transform .6s; }
.about-media .img-sub:hover img { transform:scale(1.05); }

/* ============ 主营产品 Products (深底) ============ */
.products { padding:96px 0; background:linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
  position:relative; overflow:hidden; }
.products::before { content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:26px 26px; }
.products .sec-head h2 { color:#fff; }
.products .sec-head .sub { color:#aebfd0; }
.product-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; position:relative; z-index:1; }
.product-card { background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:0 14px 40px rgba(0,0,0,.2);
  transition:transform .35s, box-shadow .35s; }
.product-card:hover { transform:translateY(-10px); box-shadow:0 20px 50px rgba(0,0,0,.35); }
.product-card .img { height:200px; overflow:hidden; position:relative; }
.product-card .img img { width:100%; height:100%; object-fit:cover; transition:transform .6s; }
.product-card:hover .img img { transform:scale(1.08); }
.product-card .img::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,transparent 50%,rgba(7,31,54,.3)); }
.product-info { padding:20px; }
.product-info .prod-bar { width:38px; height:4px; border-radius:2px; background:var(--yellow); margin-bottom:12px; }
.product-info h3 { font-size:17px; color:var(--navy); font-weight:700; margin-bottom:8px; }
.product-info p { font-size:13px; color:var(--text-light); margin-bottom:16px; min-height:42px; }
.product-info a.detail { display:inline-flex; align-items:center; gap:6px; color:var(--orange); font-size:13px; font-weight:600; }
.product-info a.detail:hover .arr { transform:translateX(4px); }
.product-info .arr { transition:transform .3s; }

/* ============ 荣誉 Honor (浅底) ============ */
.honor { padding:96px 0; background:var(--bg-light); position:relative; overflow:hidden; }
.honor::before { content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(27,95,168,.08) 1px, transparent 1px);
  background-size:30px 30px; opacity:.5; }
.honor-wrap { position:relative; z-index:1; display:grid; grid-template-columns:1.05fr 0.95fr; gap:50px; align-items:center; }
.honor-item { display:flex; align-items:center; gap:14px; padding:16px 18px; margin-bottom:16px; background:#fff;
  border-radius:14px; box-shadow:var(--shadow); transition:transform .3s; }
.honor-item:hover { transform:translateX(6px); }
.honor-crown { width:40px; height:40px; border-radius:10px; background:linear-gradient(135deg,var(--yellow),#ffb020);
  color:#fff; display:flex; align-items:center; justify-content:center; font-size:20px; flex-shrink:0; }
.honor-item h3 { font-size:17px; color:var(--navy); font-weight:700; }
.honor-desc { background:#eef3fa; border-radius:14px; padding:18px; font-size:14px; color:var(--text); margin-top:24px;
  border-left:4px solid var(--orange); }
.honor-desc b { color:var(--navy); }
.honor-desc .more { margin-top:14px; }
.honor-media { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.honor-media .img-box { border-radius:16px; overflow:hidden; box-shadow:var(--shadow); }
.honor-media .img-box img { width:100%; height:170px; object-fit:cover; transition:transform .5s; }
.honor-media .img-box:hover img { transform:scale(1.05); }
.stats-grid { grid-column:1/3; display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:46px; }
.stat-card { padding:24px 16px; border-radius:16px; text-align:center; color:#fff; transition:transform .3s; }
.stat-card:hover { transform:translateY(-6px); }
.stat-card.blue { background:var(--navy); }
.stat-card.orange { background:linear-gradient(135deg,var(--orange),var(--orange-light)); }
.stat-card b { font-size:36px; font-weight:800; display:block; line-height:1.2; }
.stat-card span { font-size:14px; opacity:.9; }

/* ============ 行业应用 Cases (深底) ============ */
.cases { padding:96px 0; background:linear-gradient(160deg, #081a30 0%, var(--navy) 100%);
  position:relative; overflow:hidden; }
.cases::before { content:""; position:absolute; inset:0;
  background:radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.3), transparent),
             radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,.25), transparent),
             radial-gradient(2px 2px at 60% 20%, rgba(255,255,255,.3), transparent),
             radial-gradient(2px 2px at 80% 60%, rgba(255,255,255,.25), transparent),
             radial-gradient(2px 2px at 90% 30%, rgba(255,255,255,.3), transparent);
  background-size:200px 200px; opacity:.5; }
.cases .sec-head h2 { color:#fff; }
.cases .sec-head .sub { color:#aebfd0; }
.case-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; position:relative; z-index:1; }
.case-card { border-radius:var(--radius); overflow:hidden; background:var(--navy-dark); transition:transform .35s, box-shadow .35s; cursor:pointer; }
.case-card:hover { transform:translateY(-8px); box-shadow:0 18px 48px rgba(0,0,0,.4); }
.case-card .img { height:230px; overflow:hidden; position:relative; }
.case-card .img img { width:100%; height:100%; object-fit:cover; transition:transform .6s; filter:saturate(.9); }
.case-card:hover .img img { transform:scale(1.08); }
.case-card .img::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,transparent 50%,rgba(8,26,48,.55)); }
.case-info { padding:22px 24px; }
.case-info h3 { color:#fff; font-size:19px; font-weight:700; margin-bottom:8px; }
.case-info p { color:#b9c8d8; font-size:13.5px; margin-bottom:16px; min-height:42px; }
.case-info a.detail { display:inline-flex; align-items:center; gap:6px; color:var(--yellow); font-size:13px; font-weight:600; }
.case-info .arr { transition:transform .3s; }
.case-info a.detail:hover .arr { transform:translateX(4px); }

/* ============ 多年经验沉淀 Experience (浅底) ============ */
.experience { padding:96px 0; background:var(--bg-light); position:relative; overflow:hidden; }
.experience::before { content:""; position:absolute; inset:0;
  background:linear-gradient(120deg, rgba(27,95,168,.05), transparent),
             repeating-linear-gradient(60deg, rgba(27,95,168,.03) 0 2px, transparent 2px 34px); }
.experience-grid { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; position:relative; z-index:1; }
.experience .sec-tag { margin-bottom:20px; }
.experience h2 { font-size:40px; color:var(--navy); font-weight:800; margin-bottom:14px; }
.experience .lead { font-size:17px; color:var(--navy-light); font-weight:600; margin-bottom:22px; }
.experience p.body { font-size:15px; color:var(--text-light); margin-bottom:16px; }
.experience .btn { margin-top:28px; }
.experience-media { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.experience-media .img-box { border-radius:16px; overflow:hidden; box-shadow:var(--shadow); }
.experience-media .img-box.big { grid-column:1/3; }
.experience-media .img-box img { width:100%; height:180px; object-fit:cover; transition:transform .5s; }
.experience-media .img-box.big img { height:260px; }
.experience-media .img-box:hover img { transform:scale(1.06); }

/* ============ 销售全球 Network (浅底) ============ */
.network { padding:96px 0; background:#fff; }
.network-grid { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.network .sec-tag { margin-bottom:20px; }
.network h2 { font-size:40px; color:var(--navy); font-weight:800; margin-bottom:14px; }
.network .lead { font-size:17px; color:var(--navy-light); font-weight:600; margin-bottom:22px; }
.network p.body { font-size:15px; color:var(--text-light); margin-bottom:22px; }
.network-serve { margin-bottom:26px; }
.network-serve li { display:flex; align-items:center; gap:12px; padding:12px 16px; margin-bottom:12px; background:var(--bg-light);
  border-radius:12px; font-size:14.5px; color:var(--text); border-left:3px solid var(--orange); }
.network-check { width:24px; height:24px; border-radius:50%; background:var(--blue); color:#fff; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:14px; }
.network .btn { margin-top:8px; }
.network-map { position:relative; display:flex; align-items:center; justify-content:center; }
.network-map img { width:100%; border-radius:16px; box-shadow:var(--shadow); background:#eef4fb; object-fit:contain; }
.network-map-img { min-height: 220px; }
.map-pin { position:absolute; width:12px; height:12px; border-radius:50%; background:var(--orange); transform:translate(-50%,-50%); }
.map-pin::after { content:""; position:absolute; inset:-6px; border-radius:50%; border:2px solid var(--orange);
  animation:pulse 2s infinite; }
@keyframes pulse { 0%{ transform:scale(.5); opacity:1; } 100%{ transform:scale(1.6); opacity:0; } }

/* ============ 新闻快讯 News (浅底) ============ */
.news { padding:96px 0; background:var(--bg-light); }
.news-head { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:44px; flex-wrap:wrap; gap:20px; }
.news-head .sec-tag { margin-bottom:14px; }
.news-head h2 { font-size:38px; color:var(--navy); font-weight:800; }
.news-head .sub { margin-top:8px; font-size:15px; color:var(--text-light); }
.news-arrow { display:flex; gap:12px; }
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.news-card { background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow);
  transition:transform .35s, box-shadow .35s; cursor:pointer; }
.news-card:hover { transform:translateY(-8px); box-shadow:0 18px 44px rgba(10,42,74,.16); }
.news-card .img { height:190px; overflow:hidden; }
.news-card .img img { width:100%; height:100%; object-fit:cover; transition:transform .6s; }
.news-card:hover .img img { transform:scale(1.08); }
.news-info { padding:20px; }
.news-info .date { display:inline-flex; align-items:center; gap:6px; font-size:13px; color:var(--text-light); margin-bottom:10px; }
.news-info h3 { font-size:16px; color:var(--navy); font-weight:700; line-height:1.5; }
.news-info h3:hover { color:var(--orange); }

/* ============ 客户认可 Recognition (浅底) ============ */
.recognition { padding:96px 0; background:#fff; }
.testimonial-card { background:var(--bg-light); border-radius:var(--radius); padding:34px; position:relative;
  border:1px solid var(--border); }
.t-quote { position:absolute; top:28px; right:32px; font-size:64px; color:var(--yellow); font-family:Georgia,serif; line-height:1; }
.t-head { display:flex; align-items:center; gap:16px; margin-bottom:20px; }
.t-avatar { width:62px; height:62px; border-radius:50%; overflow:hidden; border:3px solid var(--orange); flex-shrink:0; }
.t-avatar img { width:100%; height:100%; object-fit:cover; }
.t-head .name { font-size:16px; color:var(--navy); font-weight:700; }
.t-head .loc { font-size:13px; color:var(--text-light); }
.t-text { font-size:14.5px; color:var(--text-light); line-height:1.8; }
.t-date { display:flex; align-items:center; gap:6px; margin-top:20px; font-size:13px; color:var(--text-light); }
.recog-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.recog-dots { display:flex; justify-content:center; gap:10px; margin-top:34px; }
.recog-dots span { width:10px; height:10px; border-radius:50%; background:#c2cfdc; cursor:pointer; transition:all .3s; }
.recog-dots span.active { background:var(--yellow); transform:scale(1.2); }

/* ============ 留言 Message (深底) ============ */
.message { padding:96px 0; background:linear-gradient(135deg, var(--navy-dark), var(--navy) 70%);
  position:relative; overflow:hidden; }
.message::before { content:""; position:absolute; inset:0;
  background:radial-gradient(ellipse at 80% 20%, rgba(255,255,255,.08), transparent 50%); }
.message-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; position:relative; z-index:1; }
.message .sec-tag { margin-bottom:20px; }
.message h2 { font-size:40px; color:#fff; font-weight:800; margin-bottom:16px; }
.message .hint { color:#b9c8d8; font-size:15px; margin-bottom:36px; }
.form-area { background:rgba(255,255,255,.07); border-radius:var(--radius); padding:30px; backdrop-filter:blur(6px); }
.form-area .field { margin-bottom:18px; }
.form-area input, .form-area textarea { width:100%; padding:15px 18px; border-radius:12px; border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.12); color:#fff; font-size:15px; font-family:inherit; transition:border .3s; outline:none; }
.form-area input::placeholder, .form-area textarea::placeholder { color:#9fb0c3; }
.form-area input:focus, .form-area textarea:focus { border-color:var(--orange); background:rgba(255,255,255,.18); }
.form-area textarea { min-height:110px; resize:vertical; }
.form-area .submit { width:100%; padding:15px; border-radius:12px; background:var(--orange); color:#fff; font-size:16px;
  font-weight:700; transition:all .3s; }
.form-area .submit:hover { background:var(--orange-light); transform:translateY(-2px); box-shadow:0 8px 24px rgba(255,122,26,.35); }
.message-media { border-radius:var(--radius); overflow:hidden; box-shadow:0 20px 50px rgba(0,0,0,.4); border:1px solid rgba(255,255,255,.12); position:relative; }
.message-media img { width:100%; height:100%; min-height:460px; object-fit:cover; display:block; }
.message-media::after { content:""; position:absolute; inset:0; background:linear-gradient(160deg, rgba(13,38,66,.32) 0%, rgba(13,38,66,0) 45%); pointer-events:none; }

/* ============ 页脚 Footer ============ */
.footer { background:var(--navy-dark); color:#c6d2e0; padding:70px 0 0; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:50px; }
.footer-brand .brand { margin-bottom:20px; }
.footer-slogan { padding:16px 20px; border:1px solid rgba(255,255,255,.15); border-radius:12px; font-size:14px; color:#d7e0ea; line-height:1.7; }
.footer h4 { color:#fff; font-size:17px; font-weight:700; margin-bottom:22px; position:relative; padding-bottom:12px; }
.footer h4::after { content:""; position:absolute; left:0; bottom:0; width:34px; height:3px; background:var(--orange); border-radius:3px; }
.footer-links li { margin-bottom:12px; }
.footer-links a { color:#c6d2e0; font-size:14px; transition:all .3s; }
.footer-links a:hover { color:var(--orange); padding-left:5px; }
.footer-contact li { display:flex; align-items:flex-start; gap:12px; margin-bottom:16px; font-size:14px; line-height:1.6; }
.footer-contact .ico { color:var(--orange); flex-shrink:0; margin-top:2px; }
.footer-contact a:hover { color:var(--orange); }
.footer-qr { display:flex; align-items:center; gap:14px; margin-top:4px; }
.footer-qr img { width:74px; height:74px; border-radius:10px; border:1px solid rgba(255,255,255,.2); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); padding:22px 0; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:10px; font-size:13px; color:#8da0b4; }
.footer-bottom .links a { color:#8da0b4; }
.footer-bottom .links a:hover { color:#fff; }

/* ============ 滚动动画 ============ */
.reveal { opacity:0; transform:translateY(40px); transition:opacity .7s ease, transform .7s ease; }
.reveal.show { opacity:1; transform:translateY(0); }
.reveal-left { transform:translateX(-50px); }
.reveal-right { transform:translateX(50px); }
.reveal-left.show, .reveal-right.show { transform:translateX(0); }
.delay-1 { transition-delay:.1s; } .delay-2 { transition-delay:.2s; } .delay-3 { transition-delay:.3s; }
.delay-4 { transition-delay:.4s; }

/* 返回顶部 */
.back-top { position:fixed; right:24px; bottom:28px; width:46px; height:46px; border-radius:12px; background:var(--navy);
  color:#fff; display:flex; align-items:center; justify-content:center; font-size:20px; box-shadow:0 8px 22px rgba(0,0,0,.25);
  opacity:0; visibility:hidden; transform:translateY(20px); transition:all .4s; z-index:900; }
.back-top.show { opacity:1; visibility:visible; transform:translateY(0); }
.back-top:hover { background:var(--orange); }

/* ============ 响应式 ============ */
@media (max-width:1024px) {
  .nav-menu a { padding:8px 10px; font-size:14px; }
  .nav-phone { display:none; }
  .product-grid { grid-template-columns:repeat(2,1fr); }
  .about-media .img-main img { height:300px; }
}

@media (max-width:860px) {
  .nav-menu { display:none; }
  .nav-phone, .search-btn { display:none; }
  .hamburger { display:flex; }
  .banner-content h1 { font-size:38px; }
  .banner-content .desc { font-size:16px; }
  .banner { min-height:520px; max-height:640px; }
  .banner-arrows, .banner-count { display:none; }
  .about-grid, .honor-wrap, .experience-grid, .network-grid, .message-grid { grid-template-columns:1fr; gap:40px; }
  .case-grid, .news-grid { grid-template-columns:1fr; }
  .recog-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .sec-head h2, .about h2, .experience h2, .network h2, .message h2 { font-size:32px; }
  .product-grid { grid-template-columns:1fr 1fr; gap:16px; }
}

@media (max-width:560px) {
  .product-grid { grid-template-columns:1fr; }
  .product-card .img { height:220px; }
  .adv-list { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr 1fr; gap:10px; }
  .footer-grid { grid-template-columns:1fr; }
  .about-media .img-main img { height:230px; }
  .about-media .img-sub img { height:150px; }
  .banner-content h1 { font-size:30px; }
  .hero-icon { display:none; }
  .footer-bottom { flex-direction:column; text-align:center; }
}