/* =========================================================
   湖南固城工程科技有限公司 官网样式
   排版参考：湖南方建工程有限公司（hnfjgc.com）
   主色：深蓝 #0e4a9e | 点缀橙 #ec6a13 | 文字：#333 | 浅灰分隔：#e6e6e6
   修改说明：所有配色集中在 :root，改一处即可全站生效。
   ========================================================= */

:root{
  --primary:#0e4a9e;        /* 主色（深蓝） */
  --primary-dark:#0a3578;   /* 主色加深（悬停） */
  --primary-soft:#e8f0fb;   /* 主色浅底（浅蓝） */
  --gold:#ec6a13;           /* 点缀橙（暖色辅调） */
  --gold-soft:#fdeede;      /* 橙色浅底 */
  --accent:#1f6f8b;         /* 工程蓝（冷色辅调） */
  --accent-soft:#e8f1f4;    /* 蓝色浅底 */
  --green:#3a7d44;          /* 绿（备用辅调） */
  --text:#333;
  --muted:#888;
  --line:#e6e6e6;
  --bg-soft:#f3f7fc;        /* 冷调浅蓝灰底 */
  --maxw:1200px;
  /* 每个板块可覆盖 --cat 来切换强调色 */
  --cat:var(--primary);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB",sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.7;
  font-size:15px;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.header{position:sticky;top:0;z-index:99;background:#fff;border-bottom:1px solid var(--line);}
.header .container{display:flex;align-items:center;justify-content:space-between;height:74px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo img{height:46px;width:auto;}
.logo .name{font-size:19px;font-weight:700;color:var(--text);line-height:1.2;}
.logo .name small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:1px;}

.nav{display:flex;gap:4px;}
.nav a{padding:10px 16px;font-size:15px;color:var(--text);position:relative;transition:.2s;}
.nav a:hover{color:var(--primary);}
.nav a.active{color:var(--primary);font-weight:700;}
.nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:3px;background:var(--primary);}

.nav-toggle{display:none;font-size:26px;cursor:pointer;color:var(--primary);}

/* ---------- 首屏动态视频（建筑行业动画，自动循环播放） ---------- */
.hero{
  position:relative;
  height:480px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:#fff;overflow:hidden;
  background:linear-gradient(120deg,#06183f 0%,#0a2f6b 38%,#0e4a9e 62%,#15527e 82%,#ec6a13 100%);
}
/* 动画场景层：建筑行业相关动画，自动循环播放 */
.hero-scene{position:absolute;inset:0;z-index:1;overflow:hidden;}
.hs-sky{position:absolute;inset:-10%;
  background:
    radial-gradient(120% 80% at 82% -10%, rgba(236,106,19,.38), transparent 55%),
    radial-gradient(90% 70% at 12% 0%, rgba(90,190,225,.30), transparent 60%);
  animation:hsSky 16s ease-in-out infinite alternate;}
@keyframes hsSky{from{transform:translate3d(-2%,0,0) scale(1.03);}to{transform:translate3d(3%,0,0) scale(1.1);}}
/* 工程蓝图透视网格 */
.hs-grid{position:absolute;left:-20%;right:-20%;bottom:0;height:60%;
  background-image:
    linear-gradient(rgba(120,200,255,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.12) 1px,transparent 1px);
  background-size:46px 46px;
  transform:perspective(440px) rotateX(60deg);transform-origin:bottom;
  animation:hsGrid 6s linear infinite;opacity:.6;}
@keyframes hsGrid{from{background-position:0 0;}to{background-position:0 46px;}}
/* 建筑群：自地面依次升起 */
.hs-buildings{position:absolute;left:0;right:0;bottom:0;height:100%;}
.bld{position:absolute;bottom:0;border-radius:4px 4px 0 0;
  background:linear-gradient(180deg, rgba(20,56,110,.96), rgba(6,16,40,.98));
  box-shadow:inset 0 0 0 1px rgba(120,200,255,.22), 0 -2px 16px rgba(120,200,255,.12);
  transform:translateY(106%);
  animation:hsRise 1.5s cubic-bezier(.2,.85,.25,1) forwards, hsBreathe 6s ease-in-out 1.8s infinite;}
.bld::before{content:"";position:absolute;left:12%;right:12%;top:9px;bottom:6px;
  background:radial-gradient(circle, rgba(150,212,255,.85) 1px, transparent 1.8px) 0 0/13px 17px;opacity:.6;}
.bld.b1{left:3%;width:8%;height:44%;animation-delay:.10s;}
.bld.b2{left:12%;width:9%;height:62%;animation-delay:.25s;}
.bld.b3{left:23%;width:7%;height:36%;animation-delay:.40s;}
.bld.b4{left:32%;width:10%;height:80%;animation-delay:.55s;}
.bld.b5{left:45%;width:8%;height:52%;animation-delay:.70s;}
.bld.b6{left:56%;width:11%;height:90%;animation-delay:.85s;}
.bld.b7{left:71%;width:8%;height:40%;animation-delay:1.00s;}
.bld.b8{left:82%;width:9%;height:64%;animation-delay:1.15s;}
.bld.b9{left:92%;width:6%;height:30%;animation-delay:1.30s;}
@keyframes hsRise{to{transform:translateY(0);}}
@keyframes hsBreathe{0%,100%{filter:brightness(1);}50%{filter:brightness(1.16);}}
/* 塔吊：吊臂摆动 + 吊钩升降 */
.hs-crane{position:absolute;right:17%;bottom:0;width:3px;height:72%;z-index:1;}
.hs-crane .mast{position:absolute;left:0;bottom:0;width:3px;height:100%;background:linear-gradient(#ec6a13,#ffb070);}
.hs-crane .jib{position:absolute;top:8px;left:0;width:130px;height:3px;
  background:#ec6a13;box-shadow:0 0 8px rgba(236,106,19,.6);
  transform-origin:left center;animation:hsSwing 7s ease-in-out infinite alternate;}
.hs-crane .jib::before{content:"";position:absolute;left:0;top:0;width:3px;height:15px;background:#ec6a13;}
.hs-crane .hook{position:absolute;right:16px;top:3px;width:2px;height:56px;
  background:rgba(255,205,155,.75);animation:hsHook 4s ease-in-out infinite;}
.hs-crane .hook::after{content:"";position:absolute;bottom:0;left:-4px;width:10px;height:8px;
  background:#ffb070;border-radius:2px;}
@keyframes hsSwing{from{transform:rotate(-9deg);}to{transform:rotate(9deg);}}
@keyframes hsHook{0%,100%{height:56px;}50%{height:30px;}}
/* 上浮光点（焊花 / 尘埃） */
.hs-particles{position:absolute;inset:0;}
.hs-particles i{position:absolute;bottom:-12px;width:5px;height:5px;border-radius:50%;
  background:rgba(190,225,255,.85);box-shadow:0 0 8px rgba(190,225,255,.9);opacity:0;
  animation:hsFloat 9s linear infinite;}
.hs-particles i:nth-child(1){left:12%;animation-delay:0s;}
.hs-particles i:nth-child(2){left:28%;animation-delay:2.4s;}
.hs-particles i:nth-child(3){left:41%;animation-delay:5s;}
.hs-particles i:nth-child(4){left:55%;animation-delay:1.2s;}
.hs-particles i:nth-child(5){left:67%;animation-delay:3.6s;}
.hs-particles i:nth-child(6){left:78%;animation-delay:6.2s;}
.hs-particles i:nth-child(7){left:88%;animation-delay:4.1s;}
.hs-particles i:nth-child(8){left:18%;animation-delay:7s;}
@keyframes hsFloat{0%{transform:translateY(0);opacity:0;}10%{opacity:.9;}90%{opacity:.5;}100%{transform:translateY(-480px);opacity:0;}}
/* 扫描光带（质量巡检感） */
.hs-scan{position:absolute;left:0;right:0;height:2px;top:0;
  background:linear-gradient(90deg,transparent,rgba(236,106,19,.9),transparent);
  box-shadow:0 0 16px rgba(236,106,19,.7);animation:hsScan 5s ease-in-out infinite;}
@keyframes hsScan{0%{top:8%;opacity:0;}12%{opacity:1;}88%{opacity:1;}100%{top:90%;opacity:0;}}
/* 暗化遮罩，保证文字清晰 */
.hero-scrim{position:absolute;inset:0;z-index:2;
  background:
    radial-gradient(120% 80% at 50% 42%, transparent 0%, rgba(4,12,32,.32) 58%, rgba(4,12,32,.72) 100%),
    linear-gradient(180deg, rgba(4,12,32,.22), rgba(4,12,32,.5));}
.hero .inner{position:relative;z-index:3;padding:0 20px;max-width:980px;}
.hero-badge{display:inline-block;padding:7px 18px;border:1px solid rgba(255,255,255,.5);
  border-radius:30px;font-size:14px;letter-spacing:2px;margin-bottom:18px;
  background:rgba(236,106,19,.18);backdrop-filter:blur(2px);animation:heroIn .9s ease both;}
.hero-title{font-size:54px;letter-spacing:6px;font-weight:800;line-height:1.12;
  text-shadow:0 4px 22px rgba(0,0,0,.5);}
.hero-title span{display:inline-block;animation:heroTitleIn 1s ease both;}
.hero-title span:nth-child(2){animation-delay:.18s;color:#ffc89a;}
.hero .en{font-size:15px;letter-spacing:3px;opacity:.9;margin-top:10px;}
.hero .slogan{font-size:20px;margin-top:16px;letter-spacing:3px;font-weight:300;color:#ffd9b0;}
@keyframes heroTitleIn{from{opacity:0;transform:translateY(26px) scale(.98);}to{opacity:1;transform:none;}}

/* ---------- 数据条 ---------- */
.stats{background:var(--primary);color:#fff;border-top:4px solid var(--gold);position:relative;}
.stats::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--gold),transparent);}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:34px 20px;}
.stats .num{font-size:42px;font-weight:800;line-height:1;}
.stats .num small{font-size:18px;font-weight:400;margin-left:4px;}
.stats .label{margin-top:8px;font-size:14px;opacity:.9;letter-spacing:1px;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section.soft{background:var(--bg-soft);}
.section-title{text-align:center;margin-bottom:42px;}
.section-title h2{font-size:30px;font-weight:700;letter-spacing:2px;color:var(--text);}
.section-title .en{font-size:13px;color:var(--cat);letter-spacing:4px;margin-top:6px;text-transform:uppercase;font-weight:600;}
.section-title .bar{width:54px;height:4px;background:linear-gradient(90deg,var(--cat),var(--gold));margin:14px auto 0;border-radius:3px;}

.lead{text-align:center;max-width:880px;margin:0 auto 40px;color:#555;font-size:16px;}

/* ---------- 卡片网格（业务 / 案例） ---------- */
.grid{display:grid;gap:26px;}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}

.card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.25s;}
.card:hover{box-shadow:0 10px 30px rgba(0,0,0,.10);transform:translateY(-4px);}
.card .ph{
  aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(45deg,#f0f0f0,#f0f0f0 12px,#e8e8e8 12px,#e8e8e8 24px);
  color:#aaa;font-size:14px;text-align:center;padding:10px;border-bottom:1px solid var(--line);
}
.card .ph img{width:100%;height:100%;object-fit:cover;}
.card .body{padding:18px 20px;}
.card .body h3{font-size:18px;margin-bottom:8px;}
.card .body p{color:#666;font-size:14px;}
.card .tag{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:12px;padding:3px 10px;border-radius:20px;margin-bottom:10px;}

/* ---------- 两栏图文（关于/业务详情） ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split .ph{
  aspect-ratio:4/3;border-radius:6px;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(45deg,#f0f0f0,#f0f0f0 12px,#e8e8e8 12px,#e8e8e8 24px);
  color:#aaa;text-align:center;padding:14px;
}
.split h3{font-size:22px;margin-bottom:14px;color:var(--primary);}
.split p{color:#555;margin-bottom:12px;}

/* ---------- 列表（资质/团队/新闻） ---------- */
.list{display:grid;gap:14px;}
.list-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:6px;}
.list-item .dot{width:10px;height:10px;border-radius:50%;background:var(--primary);flex:none;}
.list-item .meta{margin-left:auto;color:var(--muted);font-size:13px;}

.news-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);}
.news-item .date{text-align:center;flex:none;width:74px;}
.news-item .date .d{font-size:30px;font-weight:800;color:var(--primary);line-height:1;}
.news-item .date .y{font-size:13px;color:var(--muted);margin-top:4px;}
.news-item h3{font-size:18px;margin-bottom:6px;}
.news-item p{color:#666;font-size:14px;}

/* ---------- 页脚 ---------- */
.footer{background:#222;color:#bbb;padding:48px 0 0;}
.footer .container{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-left:12px;}
.footer h4::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;background:var(--primary);}
.footer p{font-size:14px;line-height:1.9;}
.footer a:hover{color:#fff;}
.footer .copy{margin-top:36px;background:#1a1a1a;color:#888;font-size:13px;text-align:center;padding:16px 0;}

/* ---------- 文字链接按钮 ---------- */
.btn-link{display:inline-block;color:var(--primary);font-weight:700;font-size:15px;
  padding:10px 22px;border:2px solid var(--primary);border-radius:30px;transition:.2s;}
.btn-link:hover{background:var(--primary);color:#fff;}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .nav{position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;
       border-bottom:1px solid var(--line);display:none;}
  .nav.show{display:flex;}
  .nav a{padding:14px 20px;border-top:1px solid var(--line);}
  .nav-toggle{display:block;}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:20px 0;}
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .footer .container{grid-template-columns:1fr;}
  .hero-title{font-size:30px;}
}
@media(max-width:560px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}
  .hero{height:420px;}
  .project-photos{grid-template-columns:repeat(2,1fr);}
}

/* ---------- 精品工程：多图相册 + 编辑按钮 ---------- */
.project-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#fafafa;border-bottom:1px solid var(--line);padding:8px;overflow:hidden;}
.project-photos .pp{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px;display:block;
  transition:transform .5s ease, filter .3s ease;cursor:zoom-in;}
.project-photos .pp:hover{transform:scale(1.09);filter:brightness(1.05);position:relative;z-index:3;box-shadow:0 8px 22px rgba(0,0,0,.22);}
.project-photos .ph{aspect-ratio:4/3;border-bottom:none;font-size:12px;}

/* 收起：照片不必一次性铺开，超出的先隐藏，点“查看全部”展开 */
.project-photos.collapsed img.pp:nth-of-type(n+4){display:none;}
.pp-toggle{grid-column:1/-1;justify-self:center;margin-top:4px;cursor:pointer;
  border:1px solid var(--cat,var(--primary));background:#fff;color:var(--cat,var(--primary));
  font-size:13px;padding:7px 18px;border-radius:30px;transition:.2s;}
.pp-toggle:hover{background:var(--cat,var(--primary));color:#fff;}

/* 滚动入场特效：滚动到视口时淡入上移（仅 JS 启用时隐藏，避免无脚本时内容不可见） */
html.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease;}
html.js .reveal.in{opacity:1;transform:none;}
/* 照片级滚动特效：缩放淡入，更有层次 */
html.js .project-photos .pp.reveal{transform:translateY(24px) scale(.92);}
html.js .project-photos .pp.reveal.in{transform:none;}

/* 公司自有设备：三框自动轮播 */
.equip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:18px;}
.equip-frame{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.25s;}
.equip-frame:hover{box-shadow:0 10px 30px rgba(0,0,0,.10);transform:translateY(-4px);}
.equip-stage{position:relative;aspect-ratio:4/3;overflow:hidden;background:#f8f9fa;}
.equip-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:translateX(100%);transition:transform .7s ease;}
.equip-slide.active{transform:translateX(0);z-index:2;}
.equip-slide.prev{transform:translateX(-100%);z-index:1;}
.equip-cap{padding:12px;text-align:center;font-size:14px;color:#444;border-top:1px solid var(--line);background:#fff;}
@media(max-width:560px){.equip-grid{grid-template-columns:1fr;}}
/* 编辑模式下：平铺所有图片方便修改 */
body[contenteditable="true"] .equip-stage{aspect-ratio:auto;min-height:120px;display:flex;flex-wrap:wrap;gap:6px;padding:8px;}
body[contenteditable="true"] .equip-slide{position:relative;inset:auto;width:30%;height:auto;aspect-ratio:4/3;transform:none !important;}

/* 首页卡片滚动入场错峰（核心业务 / 精品工程预览 / 新闻） */
.grid.cols-3 .card.reveal:nth-child(2){transition-delay:.08s;}
.grid.cols-3 .card.reveal:nth-child(3){transition-delay:.16s;}
.grid.cols-3 .card.reveal:nth-child(4){transition-delay:.24s;}
.grid.cols-3 .card.reveal:nth-child(5){transition-delay:.32s;}
.grid.cols-3 .card.reveal:nth-child(6){transition-delay:.40s;}
.list .news-item.reveal:nth-child(2){transition-delay:.12s;}
.list .news-item.reveal:nth-child(3){transition-delay:.24s;}

/* 首页开场动画：全屏 splash 渐隐 + LOGO 弹出 */
#introSplash{position:fixed;inset:0;z-index:100000;background:linear-gradient(135deg,#0a2f6b,#0e4a9e 55%,#ec6a13);
  display:flex;align-items:center;justify-content:center;transition:opacity .7s ease,visibility .7s;}
#introSplash.hide{opacity:0;visibility:hidden;pointer-events:none;}
.intro-inner{text-align:center;color:#fff;animation:introPop .9s ease both;}
.intro-logo{height:88px;margin:0 auto 20px;filter:drop-shadow(0 6px 20px rgba(0,0,0,.35));}
.intro-name{font-size:30px;font-weight:800;letter-spacing:3px;}
.intro-en{font-size:13px;letter-spacing:3px;opacity:.85;margin-top:10px;}
.intro-bar{width:170px;height:3px;background:rgba(255,255,255,.3);margin:24px auto 0;border-radius:3px;overflow:hidden;}
.intro-bar span{display:block;height:100%;width:0;background:#fff;animation:introLoad 1.3s ease forwards;}
@keyframes introPop{from{opacity:0;transform:translateY(18px) scale(.96);}to{opacity:1;transform:none;}}
@keyframes introLoad{to{width:100%;}}

/* 首屏标题入场（每次加载轻微上浮） */
@keyframes heroIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion: reduce){
  #introSplash{display:none;}
  html.js .reveal{opacity:1 !important;transform:none !important;}
  .hero-scene *{animation:none !important;}
  .bld{transform:translateY(0) !important;}
  .hero-badge,.hero-title span{animation:none !important;opacity:1 !important;transform:none !important;}
}

/* 已替换的单图（hero/关于页等）去掉斜纹底 */
.card .ph[data-filled]{display:block;background:none;padding:0;overflow:hidden;aspect-ratio:auto;}
.card .ph[data-filled] img{width:100%;height:auto;}

/* 编辑态才显示的“新增/添加”按钮与占位提示，发布后自动隐藏 */
.edit-add-project,.edit-add-photo,.pp-placeholder{display:none;}

/* ---------- 资质证书展示（证件类照片，完整显示） ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:760px;margin:0 auto;align-items:start;}
.cert{margin:0;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.25s;}
.cert:hover{box-shadow:0 10px 30px rgba(0,0,0,.10);transform:translateY(-4px);}
.cert img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fafafa;display:block;}
.cert-portrait img{aspect-ratio:3/4;object-fit:contain;}
.cert figcaption{padding:11px 12px;font-size:14px;color:#444;text-align:center;border-top:1px solid var(--line);}
@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.cert-grid{grid-template-columns:1fr;}}
body[contenteditable="true"] .edit-add-project{
  display:inline-block;cursor:pointer;margin-bottom:18px;font-size:14px;font-weight:700;
  padding:9px 18px;border:1px dashed var(--primary);background:var(--primary-soft);
  color:var(--primary);border-radius:30px;
}
body[contenteditable="true"] .edit-add-photo{
  display:inline-block;cursor:pointer;font-size:12px;padding:6px 10px;
  border:1px dashed var(--primary);background:#fff;color:var(--primary);border-radius:6px;
}
body[contenteditable="true"] .pp-placeholder{display:flex;cursor:pointer;}

/* ---------- 灯箱：点击照片放大查看（精品工程 / 资质证书） ---------- */
.lb-overlay{position:fixed;inset:0;z-index:100000;background:rgba(0,0,0,.9);display:none;
  align-items:center;justify-content:center;flex-direction:column;padding:40px;cursor:zoom-out;}
.lb-overlay.open{display:flex;}
.lb-img{max-width:92vw;max-height:82vh;object-fit:contain;box-shadow:0 12px 60px rgba(0,0,0,.6);
  border-radius:4px;background:#fff;cursor:default;}
.lb-cap{color:#eee;margin-top:16px;font-size:15px;text-align:center;max-width:90vw;line-height:1.6;}
.lb-close{position:absolute;top:16px;right:26px;color:#fff;font-size:38px;line-height:1;cursor:pointer;
  user-select:none;opacity:.85;transition:.2s;}
.lb-close:hover{opacity:1;}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:52px;line-height:1;
  cursor:pointer;user-select:none;padding:8px 18px;opacity:.65;transition:.2s;}
.lb-nav:hover{opacity:1;}
.lb-prev{left:8px;}
.lb-next{right:8px;}
/* 可点击放大的图片加轻微提示样式 */
.project-photos .pp,.cert-grid .cert img{cursor:zoom-in;transition:filter .2s;}
.project-photos .pp:hover,.cert-grid .cert img:hover{filter:brightness(.92);}

/* ---------- 首页精品工程：分类小标题 + 待补充占位 ---------- */
.proj-subcat{display:flex;align-items:center;gap:10px;margin:30px 0 16px;padding-left:2px;}
.proj-subcat .dot{width:11px;height:11px;border-radius:50%;background:var(--cat,var(--primary));box-shadow:0 0 0 4px color-mix(in srgb,var(--cat,var(--primary)) 18%,transparent);}
.proj-subcat h3{font-size:19px;font-weight:700;color:var(--text);letter-spacing:1px;}
.proj-subcat .en{font-size:12px;color:var(--muted);letter-spacing:2px;}
.ph-empty{display:flex;align-items:center;justify-content:center;min-height:160px;color:#b9c4d0;background:repeating-linear-gradient(45deg,#f3f6fa,#f3f6fa 12px,#eef2f7 12px,#eef2f7 24px);font-size:14px;}

/* ---------- 企业历程：曲线型时间轴（左右交错） ---------- */
.timeline{position:relative;max-width:940px;margin:10px auto 0;padding:6px 0;}
/* 中央主轴：蓝→青→橙 渐变，整体呈现“曲线历程”观感 */
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:3px;margin-left:-1.5px;
  background:linear-gradient(180deg,var(--primary) 0%,#2b7fc4 48%,var(--gold) 100%);border-radius:3px;
}
.tl-item{position:relative;width:50%;padding:16px 46px;box-sizing:border-box;}
.tl-item:nth-of-type(odd){left:0;text-align:right;}
.tl-item:nth-of-type(even){left:50%;text-align:left;}
/* 节点圆点（带光晕） */
.tl-item::after{
  content:"";position:absolute;top:30px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:4px solid var(--primary);box-shadow:0 0 0 4px var(--primary-soft);z-index:2;
}
.tl-item:nth-of-type(odd)::after{right:-9px;}
.tl-item:nth-of-type(even)::after{left:-9px;}
/* 成就卡片 */
.tl-body{position:relative;display:inline-block;text-align:left;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 20px;max-width:100%;box-shadow:0 4px 16px rgba(14,74,158,.07);transition:transform .25s,box-shadow .25s,border-color .25s;}
.tl-body:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(14,74,158,.16);border-color:var(--primary);}
/* 时间徽标 */
.tl-year{display:inline-block;font-weight:800;color:#fff;font-size:14px;letter-spacing:1px;
  background:linear-gradient(90deg,var(--primary),#2b7fc4);padding:4px 13px;border-radius:20px;margin-bottom:9px;}
.tl-body h3{font-size:17px;margin:0 0 6px;color:var(--primary);}
.tl-body p{color:#666;font-size:14px;line-height:1.7;margin:0;}
/* 移动端：单侧排列 */
@media(max-width:640px){
  .timeline::before{left:18px;}
  .tl-item,.tl-item:nth-of-type(odd),.tl-item:nth-of-type(even){width:100%;left:0;text-align:left;padding:14px 0 14px 50px;}
  .tl-item:nth-of-type(odd)::after,.tl-item:nth-of-type(even)::after{left:9px;right:auto;}
  .tl-body{display:block;}
}

/* ---------- 合作单位 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:10px;}
.partner{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px 14px;text-align:center;transition:.25s;}
.partner:hover{box-shadow:0 10px 30px rgba(0,0,0,.10);transform:translateY(-4px);border-color:var(--primary);}
.partner .p-logo{width:54px;height:54px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;margin:0 auto 12px;}
.partner .p-name{font-size:15px;font-weight:600;color:var(--text);}
@media(max-width:900px){.partner-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:560px){.partner-grid{grid-template-columns:repeat(2,1fr);}}

/* ============ 首页精品工程：视频式轮播 ============ */
.vp{position:relative;max-width:960px;margin:0 auto;border-radius:14px;overflow:hidden;
  box-shadow:0 18px 50px rgba(14,74,158,.18);background:#0b1f3a;aspect-ratio:16/9;}
.vp-stage{position:absolute;inset:0;}
.vp-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease, transform .8s ease;transform:scale(1.05);}
.vp-slide.is-active{opacity:1;visibility:visible;transform:scale(1);}
.vp-slide>img{width:100%;height:100%;object-fit:cover;display:block;}
.vp-ph{display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 120% at 30% 20%, var(--c) 0%, #0b1f3a 100%);}
.vp-phin{text-align:center;color:#fff;padding:20px;}
.vp-phin .vp-ph-cap{display:inline-block;font-size:13px;letter-spacing:2px;padding:5px 14px;border:1px solid rgba(255,255,255,.5);border-radius:20px;opacity:.9;}
.vp-phin p{margin-top:14px;font-size:19px;font-weight:700;line-height:1.5;max-width:520px;}
.vp-cap{position:absolute;left:0;right:0;bottom:0;padding:40px 26px 20px;
  background:linear-gradient(0deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.30) 55%, transparent 100%);
  color:#fff;display:flex;flex-direction:column;gap:6px;}
.vp-tag{align-self:flex-start;font-size:12px;letter-spacing:1px;background:rgba(236,106,19,.92);
  padding:3px 11px;border-radius:4px;font-weight:700;}
.vp-name{font-size:18px;font-weight:700;line-height:1.45;text-shadow:0 1px 4px rgba(0,0,0,.5);}
.vp-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border:none;
  border-radius:50%;background:rgba(11,31,58,.45);color:#fff;font-size:26px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.2s;backdrop-filter:blur(3px);z-index:3;}
.vp-arrow:hover{background:rgba(14,74,158,.9);}
.vp-prev{left:14px;} .vp-next{right:14px;}
.vp-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.22);z-index:4;}
.vp-progress{display:block;height:100%;width:0;background:linear-gradient(90deg,#ec6a13,#ffb070);}
.vp-ctrl{position:absolute;left:0;right:0;bottom:12px;display:flex;align-items:center;gap:14px;padding:0 22px;z-index:5;}
.vp-play{width:38px;height:38px;border:none;border-radius:50%;background:rgba(255,255,255,.92);color:#0e4a9e;
  font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;flex:0 0 auto;}
.vp-play:hover{background:#fff;transform:scale(1.06);}
.vp-dots{flex:1;display:flex;gap:7px;flex-wrap:wrap;align-items:center;}
.vp-dot{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:.2s;}
.vp-dot.on{background:#ec6a13;width:22px;border-radius:5px;}
.vp-count{color:#fff;font-size:13px;font-variant-numeric:tabular-nums;flex:0 0 auto;text-shadow:0 1px 3px rgba(0,0,0,.6);}
.vp-count b{font-size:15px;}
body[contenteditable="true"] .vp{aspect-ratio:auto;box-shadow:none;background:#f4f7fb;}
body[contenteditable="true"] .vp-stage{position:relative;}
body[contenteditable="true"] .vp-slide{position:relative;opacity:1!important;visibility:visible!important;
  transform:none!important;margin-bottom:10px;border:1px solid var(--line);border-radius:8px;overflow:hidden;}
body[contenteditable="true"] .vp-arrow,body[contenteditable="true"] .vp-bar,body[contenteditable="true"] .vp-ctrl{display:none;}
@media(max-width:560px){ .vp{aspect-ratio:4/3;} .vp-name{font-size:15px;} .vp-arrow{width:38px;height:38px;font-size:22px;} }