/* ===== HERO ===== */
.hero{position:relative;height:100vh;min-height:600px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-ov{position:absolute;inset:0;background:linear-gradient(to right,rgba(5,10,28,.78) 0%,rgba(5,10,28,.45) 55%,rgba(5,10,28,.15) 100%)}
.hero-body{position:relative;z-index:2;width:100%;max-width:var(--w);margin:0 auto;padding:0 48px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;font-size:12px;font-weight:600;letter-spacing:3px;color:rgba(255,255,255,.65);text-transform:uppercase}
.hero-dot{width:6px;height:6px;border-radius:50%;background:#4ade80;animation:hpulse 2s ease infinite;flex-shrink:0}
@keyframes hpulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.6)}}
.hero-title{font-size:64px;font-weight:900;color:#fff;line-height:1.08;letter-spacing:-1.5px;margin-bottom:18px;text-shadow:0 4px 24px rgba(0,0,0,.15);white-space:nowrap}
.hero-sub{display:block;font-size:32px;font-weight:400;opacity:.78;letter-spacing:5px;margin-top:8px}
.hero-desc{font-size:16px;color:rgba(255,255,255,.72);line-height:1.8;margin-bottom:36px;max-width:460px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:32px;right:48px;z-index:2;writing-mode:vertical-rl;font-size:11px;letter-spacing:3px;color:rgba(255,255,255,.4);display:flex;align-items:center;gap:10px}
.hero-scroll::after{content:"";display:block;width:1px;height:40px;background:linear-gradient(to bottom,rgba(255,255,255,.4),transparent)}
@keyframes hscroll{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
.hero-scroll{animation:hscroll 2.2s ease infinite}

/* Hero入场 */
@keyframes hfu{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.hero-eyebrow{animation:hfu .7s ease .1s both}
.hero-title{animation:hfu .7s ease .25s both}
.hero-desc{animation:hfu .7s ease .42s both}
.hero-btns{animation:hfu .7s ease .58s both}

/* ===== STATS ===== */
.stats{background:var(--cream);border-bottom:1px solid var(--cream-d)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:40px 32px;border-right:1px solid var(--cream-d);transition:var(--tr)}
.stat:last-child{border-right:none}
.stat:hover{background:var(--cream-d)}
.stat-n{font-size:52px;font-weight:900;color:var(--dark);line-height:1;margin-bottom:6px;letter-spacing:-1px}
.stat-n sup{font-size:22px;color:var(--blue);font-weight:700;vertical-align:super;line-height:0}
.stat-l{font-size:13px;color:var(--text-3);letter-spacing:1px}

/* ===== SERVICES ===== */
.srv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.srv-card{border-radius:var(--r);overflow:hidden;border:1px solid var(--border);background:#fff;transition:var(--tr);position:relative}
.srv-card:hover{transform:translateY(-10px);box-shadow:var(--sh-l);border-color:transparent}
.srv-img{height:220px;overflow:hidden;position:relative}
.srv-img img{width:100%;height:100%;object-fit:cover;transition:transform .65s ease}
.srv-card:hover .srv-img img{transform:scale(1.06)}
.srv-img-ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(13,13,13,.7),rgba(24,77,196,.15) 60%,transparent)}
.srv-img-hd{position:absolute;bottom:0;left:0;right:0;padding:22px}
.srv-img-hd h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:4px}
.srv-img-hd p{font-size:13px;color:rgba(255,255,255,.7)}
.srv-body{padding:22px 24px}
.srv-tag{display:inline-block;padding:4px 14px;background:var(--blue-bg);color:var(--blue);border-radius:50px;font-size:12px;font-weight:600;margin-bottom:16px}
.srv-list{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.srv-li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.srv-li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--blue);flex-shrink:0}
.srv-foot{display:flex;align-items:center;justify-content:space-between;padding-top:18px;border-top:1px solid var(--border)}
.srv-foot-hint{font-size:12px;color:var(--text-3)}

/* ===== PRODUCTS ===== */
.prod-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-template-rows:200px 200px;gap:10px}
.prod-card{position:relative;border-radius:var(--r-s);overflow:hidden;cursor:pointer}
.prod-card:first-child{grid-column:span 2;grid-row:span 2}
.prod-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s ease}
.prod-card:hover .prod-bg{transform:scale(1.09)}
.prod-ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(13,13,13,.82),rgba(24,77,196,.15) 55%,transparent);transition:var(--tr)}
.prod-card:hover .prod-ov{background:linear-gradient(to top,rgba(24,77,196,.88),rgba(24,77,196,.4) 55%,transparent)}
.prod-info{position:absolute;bottom:0;left:0;right:0;padding:18px;color:#fff;transform:translateY(4px);transition:var(--tr)}
.prod-card:hover .prod-info{transform:none}
.prod-t{font-size:14px;font-weight:700;margin-bottom:4px}
.prod-card:first-child .prod-t{font-size:20px}
.prod-more{font-size:12px;color:rgba(255,255,255,.65);opacity:0;transition:var(--tr)}
.prod-card:hover .prod-more{opacity:1}

/* ===== TIMELINE ===== */
.tl-sec{background:linear-gradient(rgba(5,10,30,.84),rgba(8,15,42,.9)),url(./img/t1.png) center/cover no-repeat fixed;padding:100px 0;position:relative;overflow:hidden}
.tl-sec::before{content:"";position:absolute;top:-150px;right:-150px;width:500px;height:500px;border-radius:50%;background:rgba(24,77,196,.22);filter:blur(100px);pointer-events:none}
.tl-sec::after{content:"";position:absolute;bottom:-100px;left:-100px;width:380px;height:380px;border-radius:50%;background:rgba(61,112,232,.15);filter:blur(80px);pointer-events:none}
.tl-wrap{position:relative;z-index:1;margin-top:56px;padding-bottom:30px}
.tl-line-bar{position:absolute;top:14px;left:0;right:0;height:1px;background:rgba(255,255,255,.1);z-index:0;overflow:hidden}
.tl-line-fill{height:100%;background:linear-gradient(to right,rgba(255,255,255,.3),var(--blue-l));width:0;transition:width 1.6s cubic-bezier(.4,0,.2,1)}
.tl-line-fill.run{width:100%}
.tl-slide{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.tl-slide.appear{opacity:1;transform:none}
.tl-node{width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.18);border:1.5px solid rgba(255,255,255,.25);margin-bottom:24px;position:relative;z-index:1;transition:var(--tr)}
.tl-slide.appear .tl-node{background:var(--blue);border-color:rgba(255,255,255,.6);box-shadow:0 0 0 5px rgba(24,77,196,.3),0 0 18px rgba(24,77,196,.5)}
.tl-slide:hover .tl-node{background:#fff;box-shadow:0 0 0 7px rgba(255,255,255,.12)}
@keyframes tlPulse{0%,100%{box-shadow:0 0 0 5px rgba(24,77,196,.3),0 0 18px rgba(24,77,196,.5)}50%{box-shadow:0 0 0 9px rgba(24,77,196,.15),0 0 30px rgba(24,77,196,.6)}}
.tl-slide.appear .tl-node{animation:tlPulse 2.6s ease infinite}
.tl-yr-badge{display:inline-block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:3px 10px;font-size:12px;font-weight:700;color:rgba(255,255,255,.7);margin-bottom:10px;letter-spacing:.5px}
.tl-slide.appear .tl-yr-badge{background:rgba(24,77,196,.35);border-color:rgba(61,112,232,.5);color:#fff}
.tl-yr{font-size:19px;font-weight:800;color:#fff;margin-bottom:7px;line-height:1.2}
.tl-desc{font-size:12px;color:rgba(255,255,255,.48);line-height:1.7}

/* ===== TEAM ===== */
.team-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch}
.team-photo{border-radius:var(--r);overflow:hidden;min-height:420px;height:100%;position:relative}
.team-photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.team-photo:hover img{transform:scale(1.04)}
.team-photo-cap{position:absolute;bottom:0;left:0;right:0;padding:28px;background:linear-gradient(to top,rgba(13,13,13,.88),transparent);color:#fff}
.team-photo-cap h3{font-size:20px;font-weight:700;margin-bottom:7px}
.team-photo-cap p{font-size:13px;color:rgba(255,255,255,.68);line-height:1.6}
.team-right{display:flex;flex-direction:column;gap:18px}
.team-nums{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.team-num{padding:20px 18px;background:#fff;border-radius:var(--r-s);border:1px solid var(--border);transition:var(--tr)}
.team-num:hover{box-shadow:var(--sh-m);transform:translateY(-4px);border-color:transparent}
.team-num b{display:block;font-size:30px;font-weight:900;color:var(--blue);line-height:1;margin-bottom:5px}
.team-num span{font-size:13px;color:var(--text-2)}
.team-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;flex:1}
.team-ph{border-radius:var(--r-s);overflow:hidden;position:relative;height:0;padding-bottom:80%}
.team-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.team-ph:hover img{transform:scale(1.08)}
.team-ph-ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(13,13,13,.5),transparent 55%);opacity:0;transition:var(--tr)}
.team-ph:hover .team-ph-ov{opacity:1}

/* ===== PORTFOLIO (ac57 style) ===== */
.case-sec-hd{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:start;margin-bottom:52px}
.case-en{font-size:88px;font-weight:900;color:var(--dark);line-height:.88;letter-spacing:-3px;font-style:italic;font-family:Arial Black,Arial,sans-serif}
.case-zh{font-size:17px;font-weight:700;color:var(--dark);margin-top:12px;margin-bottom:16px}
.case-stripe{height:16px;width:210px;background:repeating-linear-gradient(62deg,var(--dark) 0,var(--dark) 3px,transparent 3px,transparent 10px);opacity:.18;border-radius:2px;margin-bottom:22px}
.case-desc{font-size:14px;color:var(--text-2);line-height:2.1}
.case-tab-row{display:flex;gap:8px;margin-bottom:20px}
.case-tab-item{flex:1;padding:16px 6px 12px;border:1px solid var(--cream-d);border-radius:12px;text-align:center;cursor:pointer;transition:var(--tr);background:#fff}
.case-tab-item:hover{border-color:var(--blue-bg)}
.case-tab-item.on{background:var(--dark);border-color:transparent}
.case-tab-item.on .case-tab-ico,.case-tab-item.on .case-tab-lbl{color:#fff!important}
.case-tab-ico{font-size:21px;line-height:1.2;margin-bottom:6px;color:var(--text-2);display:block}
.case-tab-lbl{font-size:10px;font-weight:700;color:var(--text-2);display:block;line-height:1;letter-spacing:.2px}
.case-stats-row{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3)}
.case-stats-row sup{font-size:10px}
.case-more-link{font-size:12px;font-weight:700;color:var(--text-2);display:flex;align-items:center;gap:6px;letter-spacing:.5px;transition:color .2s}
.case-more-link:hover{color:var(--blue)}
.case-more-link::before{content:"";width:12px;height:12px;border:1.5px solid currentColor;border-radius:2px;display:inline-block;flex-shrink:0}
/* Main 3x3 grid - 与 cases.html 的 case-grid 对齐 */
.case-main-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-main-card{
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--sh);
  border:1px solid var(--border);
  background:#fff;
  transition:var(--tr);
  cursor:pointer;
  padding-bottom:0;
}
.case-main-card:hover{transform:translateY(-8px);box-shadow:var(--sh-l);border-color:transparent}
.case-main-img{position:relative;overflow:hidden;height:220px;margin-bottom:0;border-radius:0;box-shadow:none}
.case-main-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.case-main-card:hover .case-main-img img{transform:scale(1.06)}
.case-main-ov{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,13,13,.6),transparent 55%);
  opacity:0;
  transition:var(--tr);
  display:flex;align-items:flex-end;justify-content:flex-start;
  padding:18px;
}
.case-main-card:hover .case-main-ov{opacity:1}
.case-det-btn{
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:0;
  border:none;
  border-radius:0;
  opacity:1;
  transform:none;
  white-space:nowrap;
  letter-spacing:0;
}
.case-main-name{font-size:16px;font-weight:700;color:var(--dark);margin:14px 22px 8px;line-height:1.4}
.case-main-tags{font-size:13px;color:var(--text-2);line-height:1.7;margin:0 22px 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-det-row{display:flex;align-items:center;justify-content:space-between;padding:10px 22px 18px}
.case-det-cat{display:inline-block;padding:3px 10px;background:var(--blue-bg);color:var(--blue);border-radius:50px;font-size:11px;font-weight:600}
.case-det-link{font-size:12px;font-weight:600;color:var(--text-3);display:flex;align-items:center;gap:5px;transition:color .2s;letter-spacing:.3px}
.case-main-card:hover .case-det-link{color:var(--blue)}
.case-det-link::before{content:"";width:10px;height:10px;border:1.5px solid currentColor;border-radius:2px;flex-shrink:0}
.more-wrap{text-align:center;margin-top:48px}

/* ===== NEWS ===== */
.news-layout{display:grid;grid-template-columns:1fr 360px;gap:40px;align-items:stretch}
.news-feat{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--border);transition:var(--tr);display:block}
.news-feat:hover{transform:translateY(-5px);box-shadow:var(--sh-m);border-color:transparent}
.news-feat-img{position:relative;height:260px;overflow:hidden}
.news-feat-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-feat:hover .news-feat-img img{transform:scale(1.04)}
.news-feat-badge{position:absolute;top:18px;left:18px;background:var(--blue);color:#fff;padding:4px 14px;border-radius:50px;font-size:12px;font-weight:700}
.news-feat-body{padding:24px}
.news-feat-meta{display:flex;gap:14px;font-size:12px;color:var(--text-3);margin-bottom:10px}
.news-feat-h{font-size:18px;font-weight:700;color:var(--dark);line-height:1.5;margin-bottom:10px;transition:color .2s}
.news-feat:hover .news-feat-h{color:var(--blue)}
.news-feat-p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sub-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.news-sub{border-radius:var(--r-s);overflow:hidden;background:#fff;box-shadow:var(--sh);border:1px solid var(--border);display:flex;transition:var(--tr)}
.news-sub:hover{transform:translateY(-3px);box-shadow:var(--sh-m);border-color:transparent}
.news-sub-img{width:100px;flex-shrink:0;overflow:hidden}
.news-sub-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-sub:hover .news-sub-img img{transform:scale(1.07)}
.news-sub-body{padding:14px;flex:1;min-width:0}
.news-sub-date{font-size:11px;color:var(--text-3);margin-bottom:6px}
.news-sub-t{font-size:13px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.news-sub:hover .news-sub-t{color:var(--blue)}
.news-sidebar{display:flex;flex-direction:column}
.news-hot{background:#fff;border-radius:var(--r);padding:24px;border:1px solid var(--border);flex:1;display:flex;flex-direction:column;height:100%}
.news-hot-hd{font-size:15px;font-weight:700;color:var(--dark);padding-bottom:14px;margin-bottom:4px;border-bottom:1.5px solid var(--cream-d);display:flex;align-items:center;gap:8px}
.news-hot-hd::before{content:"";display:block;width:4px;height:15px;background:var(--blue);border-radius:2px}
.news-hot-list{display:flex;flex-direction:column;flex:1}
.news-hot-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid rgba(0,0,0,.05);cursor:pointer;transition:var(--tr);flex:1}
.news-hot-item:last-child{border-bottom:none}
.news-hot-item:hover{padding-left:6px}
.news-hot-item:hover .news-hot-t{color:var(--blue)}
.news-hot-rank{width:22px;height:22px;border-radius:6px;background:var(--cream);color:var(--dark);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.news-hot-item:nth-child(1) .news-hot-rank{background:var(--blue);color:#fff}
.news-hot-item:nth-child(2) .news-hot-rank{background:#f59e0b;color:#fff}
.news-hot-item:nth-child(3) .news-hot-rank{background:#10b981;color:#fff}
.news-hot-t{font-size:13px;font-weight:500;color:var(--text-2);line-height:1.55;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-text p{font-size:15px;color:var(--text-2);line-height:2;margin-bottom:14px}
.about-nums{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.about-num{padding:18px;background:var(--cream);border-radius:var(--r-s);border-left:3px solid var(--blue)}
.about-num b{display:block;font-size:26px;font-weight:900;color:var(--blue);line-height:1}
.about-num span{display:block;font-size:13px;color:var(--text-2);margin-top:4px}
.about-img-wrap{position:relative}
.about-img-wrap img{width:100%;border-radius:var(--r);box-shadow:var(--sh-l)}
.about-badge{position:absolute;bottom:-18px;left:-18px;background:var(--blue);color:#fff;padding:18px 22px;border-radius:var(--r-s);box-shadow:0 10px 30px rgba(24,77,196,.4)}
.about-badge b{display:block;font-size:30px;font-weight:900;line-height:1}
.about-badge span{display:block;font-size:12px;opacity:.82;margin-top:3px}

/* ===== QUOTE / CTA ===== */
.quote-sec{background:linear-gradient(rgba(20,56,180,.88),rgba(14,40,136,.92)),url(./img/comp.png) center/cover no-repeat;padding:100px 0;position:relative;overflow:hidden}
.quote-sec::before{content:"";position:absolute;top:-180px;right:-180px;width:600px;height:600px;border-radius:50%;background:rgba(255,255,255,.07);filter:blur(80px);pointer-events:none}
.quote-sec::after{content:"";position:absolute;bottom:-120px;left:-60px;width:400px;height:400px;border-radius:50%;background:rgba(0,0,0,.12);filter:blur(70px);pointer-events:none}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;position:relative;z-index:1}
.q-left h2{font-size:38px;font-weight:900;color:#fff;line-height:1.25;margin-bottom:18px}
.q-left p{font-size:15px;color:rgba(255,255,255,.82);line-height:2;margin-bottom:28px}
.q-tel-lbl{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:2px;margin-bottom:6px}
.q-tel{font-size:32px;font-weight:900;color:#fff;letter-spacing:2px}
.q-card{background:rgba(255,255,255,.97);border-radius:var(--r);padding:36px}
.q-card-h{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:22px;line-height:1.4}
.q-checks{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.q-chk{display:inline-flex;align-items:center;gap:7px;padding:7px 16px;border:1.5px solid var(--border);border-radius:50px;font-size:13px;font-weight:500;color:var(--text-2);cursor:pointer;transition:var(--tr)}
.q-chk:hover{border-color:var(--blue);color:var(--blue)}
.q-chk input{accent-color:var(--blue)}
.q-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.q-field label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.q-input{width:100%;padding:12px 15px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;color:var(--text);background:#fff;transition:var(--tr)}
.q-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,77,196,.1)}
.q-captcha-row{display:flex;gap:10px;margin-bottom:18px;align-items:flex-end}
.q-captcha-row .q-field{flex:1;margin:0}
.q-captcha-box{display:flex;gap:8px;align-items:center;flex-shrink:0}
.captcha-img{height:44px;border-radius:10px;overflow:hidden;border:1.5px solid var(--border);display:flex;align-items:center;cursor:pointer;background:linear-gradient(135deg,#e8effc,#c7d7fb);min-width:110px;user-select:none;position:relative}
.captcha-img canvas{display:block}
.captcha-refresh{font-size:12px;color:rgba(255,255,255,.75);cursor:pointer;white-space:nowrap;font-weight:500;transition:color .2s}
.captcha-refresh:hover{color:#fff}
.q-submit{width:100%;padding:14px;background:var(--dark);color:#fff;border:none;border-radius:50px;font-size:15px;font-weight:700;letter-spacing:2px;cursor:pointer;transition:var(--tr)}
.q-submit:hover{background:#222;transform:translateY(-2px)}