/* ================= 设计令牌 ================= */
:root{
  --ink:#0a5c9e;            /* 深天蓝 - 主色面 */
  --navy:#1394e8;           /* 天蓝 */
  --blue:#4cc0f7;           /* 亮天蓝 */
  --orange:#ff7a1a;         /* 行动橙 - 仅用于CTA与关键强调 */
  --orange-soft:#ffb37a;
  --paper:#f3f6fb;          /* 蓝调浅底 */
  --line:rgba(14,120,190,.16);  /* 发丝线 */
  --line-light:rgba(255,255,255,.14);
  --text:#232c40;
  --muted:#68738c;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --mono:Consolas,"JetBrains Mono",ui-monospace,Menlo,monospace;
  --ease-out:cubic-bezier(.22,1,.36,1);
}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--text);background:#fff;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none}
img{max-width:100%}
::selection{background:var(--orange);color:#fff}

/* 等宽标注 */
.mono{font-family:var(--mono);letter-spacing:.06em}

/* ================= 顶部条 ================= */
.topbar{background:var(--ink);color:#eaf6ff;font-size:12.5px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.25)}
.topbar a{color:#eaf6ff;transition:color .25s}
.topbar a:hover{color:var(--orange)}
.topbar .top-phone{color:#fff;font-family:var(--mono);letter-spacing:.05em}
.topbar .top-phone i{color:var(--orange)}

/* ================= 导航 ================= */
.navbar-main{background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:0;transition:box-shadow .3s}
.navbar-main.scrolled{box-shadow:0 6px 30px rgba(6,28,69,.1)}
.navbar-brand{display:flex;align-items:center;gap:12px;padding:16px 0}
.brand-mark{width:44px;height:44px;object-fit:contain;flex:none;display:block;border-radius:4px}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:.02em}
.brand-sub{font-size:10px;color:var(--muted);letter-spacing:.12em;font-family:var(--mono)}
.navbar-main .nav-link{color:var(--text);font-weight:600;font-size:15px;padding:30px 16px!important;position:relative;transition:color .25s}
.navbar-main .nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:20px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .3s var(--ease-out);transform-origin:left}
.navbar-main .nav-link:hover,.navbar-main .nav-link.active{color:var(--navy)}
.navbar-main .nav-link:hover::after,.navbar-main .nav-link.active::after{transform:scaleX(1)}
.nav-cta{background:var(--orange);color:#fff!important;padding:10px 24px!important;margin-left:14px;font-weight:700;transition:.25s;box-shadow:0 6px 18px rgba(255,122,26,.35)}
.nav-cta::after{display:none!important}
.nav-cta:hover{background:var(--ink);color:#fff!important;transform:translateY(-2px)}
.navbar-toggler{border:none;font-size:26px;color:var(--navy);padding:4px 8px}
.navbar-toggler:focus{box-shadow:none}
@media(max-width:991px){
  .navbar-main .nav-link{padding:13px 16px!important;border-bottom:1px solid var(--line)}
  .navbar-main .nav-link::after{display:none}
  .nav-cta{margin:14px 16px 16px;text-align:center;border-bottom:none}
}

/* ================= Hero ================= */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line-light) 1px,transparent 1px),linear-gradient(90deg,var(--line-light) 1px,transparent 1px);
  background-size:72px 72px;mask-image:radial-gradient(ellipse 90% 80% at 70% 20%,black 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 70% 20%,black 30%,transparent 75%)}
.hero-glow{position:absolute;top:-180px;right:-120px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(76,192,247,.45),transparent 70%);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:96px 0 120px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;color:var(--orange-soft);letter-spacing:.2em;border:1px solid rgba(255,122,26,.4);padding:7px 16px;margin-bottom:30px}
.hero-kicker::before{content:"";width:8px;height:8px;background:var(--orange);animation:blink 1.8s infinite}
@keyframes blink{50%{opacity:.25}}
.hero-title{font-family:var(--serif);font-weight:900;font-size:clamp(34px,5.2vw,68px);line-height:1.22;margin-bottom:26px;letter-spacing:.01em}
.hero-title em{font-style:normal;color:var(--orange);position:relative;white-space:nowrap}
.hero-title em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:rgba(255,122,26,.22);z-index:-1}
.hero-sub{color:#a9bce4;font-size:clamp(14px,1.3vw,17px);line-height:2;max-width:520px;margin-bottom:42px}
.hero-sub strong{color:#fff}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-main{background:var(--orange);color:#fff;padding:15px 40px;font-weight:700;font-size:16px;transition:.3s var(--ease-out);box-shadow:0 10px 30px rgba(255,122,26,.35);border:none}
.btn-main:hover{background:#ff8c3d;color:#fff;transform:translateY(-3px);box-shadow:0 16px 38px rgba(255,122,26,.45)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;padding:15px 36px;font-weight:600;transition:.3s var(--ease-out)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff;transform:translateY(-3px)}
/* Hero 右侧产品视窗 */
.hero-visual{position:relative}
.hero-frame{position:relative;border:1px solid var(--line-light);padding:14px;background:rgba(255,255,255,.03)}
.hero-frame img{width:100%;height:400px;object-fit:cover;display:block;filter:saturate(1.05)}
.tick{position:absolute;width:18px;height:18px;border-color:var(--orange);border-style:solid;border-width:0}
.tick-tl{top:-1px;left:-1px;border-top-width:2px;border-left-width:2px}
.tick-tr{top:-1px;right:-1px;border-top-width:2px;border-right-width:2px}
.tick-bl{bottom:-1px;left:-1px;border-bottom-width:2px;border-left-width:2px}
.tick-br{bottom:-1px;right:-1px;border-bottom-width:2px;border-right-width:2px}
.spec-chip{position:absolute;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;background:var(--ink);border:1px solid var(--line-light);color:#c9d8f7;padding:6px 12px}
.spec-chip b{color:var(--orange);font-weight:600}
.chip-1{top:34px;left:-30px}
.chip-2{bottom:44px;right:-24px}
@media(max-width:991px){
  .hero-inner{padding:64px 0 90px}
  .hero-visual{margin-top:48px}
  .chip-1{left:0}.chip-2{right:0}
  .hero-frame img{height:300px}
}
/* 型号跑马灯 */
.model-ticker{border-top:1px solid var(--line-light);position:relative;z-index:2;background:rgba(8,78,134,.5);overflow:hidden;padding:16px 0}
.ticker-track{display:flex;gap:0;width:max-content;animation:ticker 30s linear infinite}
.ticker-track span{font-family:var(--mono);font-size:13px;color:#7e93c4;letter-spacing:.14em;padding:0 28px;white-space:nowrap}
.ticker-track span b{color:var(--orange-soft);font-weight:600;padding-right:10px}
@keyframes ticker{to{transform:translateX(-50%)}}
.model-ticker:hover .ticker-track{animation-play-state:paused}

/* ================= 参数带 ================= */
.spec-band{border-bottom:1px solid var(--line);background:#fff}
.spec-band .row>div{padding:34px 20px;border-left:1px solid var(--line)}
.spec-band .row>div:first-child{border-left:none}
.spec-num{font-family:var(--mono);font-size:clamp(24px,2.4vw,34px);font-weight:700;color:var(--navy);line-height:1;font-variant-numeric:tabular-nums}
.spec-num i{font-style:normal;color:var(--orange);font-size:.6em;margin-left:2px}
.spec-label{font-size:14px;font-weight:700;color:var(--ink);margin-top:10px}
.spec-desc{font-size:12.5px;color:var(--muted);margin-top:3px}
@media(max-width:767px){
  .spec-band .row>div{padding:22px 14px;border-left:none;border-top:1px solid var(--line)}
  .spec-band .row>div:first-child{border-top:none}
}

/* ================= 节标题（编辑式） ================= */
.section{padding:110px 0}
.section-gray{background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:64px;border-bottom:1px solid var(--line);padding-bottom:26px;flex-wrap:wrap}
.sec-head .kick{font-family:var(--mono);font-size:12.5px;color:var(--orange);letter-spacing:.24em;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.sec-head .kick::before{content:"";width:26px;height:1px;background:var(--orange)}
.sec-head h2{font-family:var(--serif);font-weight:900;font-size:clamp(26px,3.4vw,42px);color:var(--ink);margin:0;line-height:1.2}
.sec-head .more{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.1em;transition:.25s;display:inline-flex;align-items:center;gap:8px;padding-bottom:4px;border-bottom:1px solid transparent}
.sec-head .more:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* ================= 新闻 ================= */
.news-feature{display:block;background:#fff;border:1px solid var(--line);height:100%;transition:.35s var(--ease-out);position:relative}
.news-feature:hover{box-shadow:0 24px 60px rgba(6,28,69,.14);transform:translateY(-6px);border-color:rgba(255,122,26,.5)}
.news-feature .thumb{height:320px;overflow:hidden;position:relative}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease-out)}
.news-feature:hover .thumb img{transform:scale(1.06)}
.news-feature .body{padding:30px 32px 34px}
.news-feature .date{font-family:var(--mono);font-size:12.5px;color:var(--orange);letter-spacing:.12em}
.news-feature h4{font-family:var(--serif);font-weight:900;color:var(--ink);font-size:21px;line-height:1.5;margin:12px 0 12px;transition:color .3s}
.news-feature:hover h4{color:var(--navy)}
.news-feature p{color:var(--muted);font-size:14px;line-height:1.9;margin:0}
.news-list{display:flex;flex-direction:column;height:100%;justify-content:space-between}
.news-item{display:flex;align-items:center;gap:20px;padding:25px 6px;border-bottom:1px solid var(--line);transition:.3s var(--ease-out)}
.news-item:first-child{padding-top:4px}
.news-item:hover{padding-left:16px;border-bottom-color:var(--orange)}
.news-item .date{font-family:var(--mono);font-size:13px;color:var(--muted);flex:none;width:96px;letter-spacing:.05em;font-variant-numeric:tabular-nums}
.news-item h6{margin:0;font-weight:700;color:var(--text);font-size:15.5px;transition:color .3s;line-height:1.6}
.news-item:hover h6{color:var(--navy)}
.news-item .arrow{margin-left:auto;color:var(--orange);opacity:0;transform:translateX(-8px);transition:.3s var(--ease-out);flex:none}
.news-item:hover .arrow{opacity:1;transform:none}

/* ================= 公司简介 ================= */
.about-wrap{position:relative}
.about-photo{position:relative;border:1px solid var(--line);padding:14px;background:#fff}
.about-photo img{width:100%;height:440px;object-fit:cover;display:block}
.about-photo .cap{position:absolute;bottom:30px;left:30px;background:var(--ink);color:#fff;padding:10px 18px;font-family:var(--mono);font-size:12px;letter-spacing:.14em}
.about-photo .cap b{color:var(--orange);font-weight:600}
.about-corner{position:absolute;top:-26px;right:-26px;width:130px;height:130px;background:repeating-linear-gradient(-45deg,var(--orange),var(--orange) 6px,transparent 6px,transparent 12px);z-index:-1;opacity:.85}
@media(max-width:991px){.about-corner{display:none}.about-photo img{height:320px}}
.about-lead{font-family:var(--serif);font-weight:600;font-size:clamp(18px,1.8vw,22px);color:var(--ink);line-height:1.9;margin-bottom:26px}
.about-lead strong{color:var(--orange);font-weight:900}
.about-text{color:var(--muted);line-height:2.05;margin-bottom:16px;font-size:15px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);margin:30px 0 36px}
.about-point{padding:18px 20px;font-weight:700;color:var(--ink);font-size:14.5px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line)}
.about-point:nth-child(odd){border-right:1px solid var(--line)}
.about-point:nth-child(3),.about-point:nth-child(4){border-bottom:none}
.about-point i{color:var(--orange);font-size:18px}
.btn-dark{background:var(--ink);color:#fff;border:none;padding:15px 40px;font-weight:700;transition:.3s var(--ease-out)}
.btn-dark:hover{background:var(--navy);color:#fff;transform:translateY(-3px);box-shadow:0 14px 34px rgba(6,28,69,.3)}

/* ================= 产品推荐 ================= */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.rec-card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;position:relative;transition:.35s var(--ease-out)}
.rec-card:hover{transform:translateY(-8px);box-shadow:0 24px 56px rgba(6,28,69,.14);border-color:rgba(255,122,26,.55)}
.rec-card .idx{position:absolute;top:14px;left:16px;z-index:2;font-family:var(--mono);font-size:11.5px;color:#fff;background:var(--ink);padding:4px 10px;letter-spacing:.12em}
.rec-card .hot{position:absolute;top:14px;right:16px;z-index:2;font-family:var(--mono);font-size:11px;color:#fff;background:var(--orange);padding:4px 10px;letter-spacing:.14em}
.rec-card .thumb{height:220px;overflow:hidden}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease-out)}
.rec-card:hover .thumb img{transform:scale(1.09)}
.rec-card .body{padding:20px 20px 22px;border-top:2px solid var(--ink);position:relative}
.rec-card .body::before{content:"";position:absolute;top:-2px;left:0;height:2px;width:0;background:var(--orange);transition:width .45s var(--ease-out)}
.rec-card:hover .body::before{width:100%}
.rec-card h6{margin:0;font-weight:700;font-size:15px;line-height:1.6;color:var(--text);transition:color .3s}
.rec-card:hover h6{color:var(--navy)}
@media(max-width:991px){.rec-grid{grid-template-columns:repeat(2,1fr);gap:16px}}
@media(max-width:575px){.rec-grid{grid-template-columns:1fr 1fr;gap:12px}.rec-card .thumb{height:170px}.rec-card .body{padding:14px}.rec-card h6{font-size:13.5px}}

/* ================= 产品展示 ================= */
.show-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.show-card{display:block;border:1px solid var(--line);background:#fff;overflow:hidden;position:relative;transition:.35s var(--ease-out)}
.show-card img{width:100%;height:230px;object-fit:cover;transition:transform .7s var(--ease-out)}
.show-card:hover{box-shadow:0 20px 48px rgba(6,28,69,.15);border-color:rgba(255,122,26,.55)}
.show-card:hover img{transform:scale(1.08)}
.show-card .cap{display:flex;align-items:center;gap:10px;padding:14px 16px;font-weight:700;font-size:14px;color:var(--text);border-top:1px solid var(--line)}
.show-card .cap .no{font-family:var(--mono);font-size:11px;color:var(--orange);letter-spacing:.1em;flex:none}
.show-card:hover .cap{color:var(--navy)}
@media(max-width:991px){.show-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:767px){.show-grid{grid-template-columns:1fr 1fr;gap:12px}.show-card img{height:160px}.show-card .cap{font-size:12.5px;padding:10px 12px}}

/* ================= 产品轮播 ================= */
#carousel{background:var(--ink);position:relative;overflow:hidden;padding-bottom:80px}
#carousel::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-light) 1px,transparent 1px),linear-gradient(90deg,var(--line-light) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse 90% 80% at 50% 0%,black 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 0%,black 20%,transparent 70%)}
#carousel .container{position:relative;z-index:2}
#carousel .sec-head{border-bottom-color:var(--line-light)}
#carousel .sec-head h2{color:#fff}
#carousel .sec-head .more{color:#a9bce4}
#carousel .sec-head .more:hover{color:var(--orange);border-bottom-color:var(--orange)}
.car-wrap{position:relative}
.car-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth}
.car-track::-webkit-scrollbar{display:none}
.car-card{flex:0 0 calc(25% - 15px);scroll-snap-align:start}
.car-card img{height:220px}
.car-arrow{position:absolute;top:42%;transform:translateY(-50%);z-index:3;width:46px;height:46px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:18px;cursor:pointer;box-shadow:0 10px 26px rgba(6,28,69,.14);transition:.3s var(--ease-out)}
.car-arrow:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.car-prev{left:-23px}
.car-next{right:-23px}
@media(max-width:991px){.car-card{flex-basis:calc(33.333% - 14px)}.car-card img{height:190px}}
@media(max-width:767px){.car-card{flex-basis:calc(50% - 8px)}.car-card img{height:150px}.car-track{gap:12px}.car-arrow{display:none}}

/* ================= 产品视频 ================= */
.section-videos{background:#fff;border-bottom:1px solid var(--line)}
.section-videos .sec-en{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.14em;margin-top:10px}
.video-showcase{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:32px;align-items:stretch}
.video-stage{position:relative;background:var(--ink);padding:12px;border:1px solid var(--line);box-shadow:0 24px 60px rgba(6,28,69,.14)}
.video-stage video{width:100%;aspect-ratio:16/9;display:block;background:#000;object-fit:cover}
.video-stage::before,.video-stage::after{content:"";position:absolute;width:44px;height:44px;z-index:2;pointer-events:none}
.video-stage::before{top:-10px;left:-10px;border-top:2px solid var(--orange);border-left:2px solid var(--orange)}
.video-stage::after{right:-10px;bottom:-10px;border-bottom:2px solid var(--orange);border-right:2px solid var(--orange)}
.video-caption{display:flex;gap:18px;margin-top:18px;align-items:flex-start}
.v-index{flex:none;padding-top:5px;font-family:var(--mono);font-size:11px;color:var(--orange);letter-spacing:.14em}
.video-caption h3{margin:0 0 6px;font-family:var(--serif);font-weight:900;font-size:clamp(18px,1.5vw,22px);color:var(--ink);line-height:1.5}
.video-caption .v-en{margin:0;font-family:var(--mono);font-size:11px;color:var(--navy);letter-spacing:.05em;line-height:1.6}
.video-caption .v-desc{margin:10px 0 0;font-size:13.5px;color:var(--muted);line-height:1.85}
.video-caption .v-desc-en{margin:4px 0 0;font-size:12px;color:#9aa5ba;line-height:1.7;font-style:italic}
.video-playlist{display:flex;flex-direction:column;border:1px solid var(--line);background:#fff}
.video-pick{display:flex;gap:14px;align-items:center;width:100%;flex:1;padding:13px;background:#fff;border:0;border-bottom:1px solid var(--line);text-align:left;font:inherit;color:inherit;cursor:pointer;transition:background .3s,box-shadow .3s}
.video-pick:last-child{border-bottom:0}
.video-pick:hover{background:var(--paper)}
.video-pick.active{background:var(--paper);box-shadow:inset 3px 0 0 var(--orange)}
.vp-thumb{position:relative;flex:none;width:126px;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.vp-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease-out)}
.video-pick:hover .vp-thumb img{transform:scale(1.06)}
.vp-play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(4,29,51,.25);color:#fff;font-size:20px;transition:.3s}
.video-pick.active .vp-play,.video-pick:hover .vp-play{background:rgba(255,122,26,.62)}
.vp-dur{position:absolute;right:5px;bottom:5px;background:rgba(4,29,51,.84);color:#fff;font-family:var(--mono);font-size:10px;padding:2px 6px;letter-spacing:.04em}
.vp-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.vp-no{font-family:var(--mono);font-size:10px;color:var(--orange);letter-spacing:.14em}
.vp-body strong{font-size:13.5px;font-weight:700;color:var(--text);line-height:1.5}
.vp-body em{font-style:normal;font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.04em;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:991px){
  .video-showcase{grid-template-columns:1fr}
  .video-playlist{flex-direction:row;overflow-x:auto;scrollbar-width:none}
  .video-playlist::-webkit-scrollbar{display:none}
  .video-pick{flex:0 0 300px;border-bottom:0;border-right:1px solid var(--line)}
  .video-pick:last-child{border-right:0}
}
@media(max-width:575px){
  .video-pick{flex-basis:250px;padding:10px}
  .vp-thumb{width:96px}
  .video-caption{gap:12px}
  .video-stage{padding:8px}
}

/* ================= 热线 CTA ================= */
.cta-band{background:var(--ink);position:relative;overflow:hidden;padding:100px 0;color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-light) 1px,transparent 1px),linear-gradient(90deg,var(--line-light) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse 80% 90% at 30% 50%,black 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 80% 90% at 30% 50%,black 20%,transparent 70%)}
.cta-band .kick{font-family:var(--mono);font-size:12.5px;color:var(--orange-soft);letter-spacing:.24em;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.cta-band .kick::before{content:"";width:26px;height:1px;background:var(--orange)}
.cta-band h2{font-family:var(--serif);font-weight:900;font-size:clamp(26px,3.2vw,42px);margin-bottom:14px}
.cta-band p{color:#a9bce4;margin:0;font-size:15px}
.cta-phones{text-align:right;position:relative;z-index:2}
.cta-phones .num{display:block;font-family:var(--mono);font-weight:700;font-size:clamp(26px,3.4vw,44px);letter-spacing:.04em;color:#fff;line-height:1.35;transition:color .3s;font-variant-numeric:tabular-nums}
.cta-phones .num:hover{color:var(--orange)}
.cta-phones .num i{color:var(--orange);font-size:.62em;margin-right:14px;vertical-align:middle}
@media(max-width:767px){.cta-phones{text-align:left;margin-top:36px}}

/* ================= 页脚 ================= */
.footer{background:#084e86;color:#8fa5d6;padding:76px 0 0;font-size:14px;border-top:1px solid var(--line-light)}
.footer h6{color:#fff;font-weight:700;margin-bottom:22px;font-size:15px;display:flex;align-items:center;gap:10px}
.footer h6::before{content:"";width:14px;height:2px;background:var(--orange)}
.footer a{color:#8fa5d6;display:block;margin-bottom:12px;transition:.25s;font-size:13.5px}
.footer a:hover{color:var(--orange);padding-left:6px}
.footer .f-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.footer .f-brand .brand-name{color:#fff}
.footer p{line-height:2}
.f-contact .num{font-family:var(--mono);color:#fff;font-size:16px;letter-spacing:.05em}
.f-contact i{color:var(--orange);margin-right:8px}
.copyright{border-top:1px solid rgba(255,255,255,.08);color:#5a6f9e;text-align:center;padding:20px 0;margin-top:56px;font-size:12.5px;font-family:var(--mono);letter-spacing:.06em}

/* ================= 浮动按钮 ================= */
.float-btns{position:fixed;right:20px;bottom:28px;z-index:99;display:flex;flex-direction:column;gap:10px}
.float-btn{width:50px;height:50px;display:grid;place-items:center;font-size:20px;color:#fff;box-shadow:0 10px 26px rgba(6,28,69,.3);transition:.3s var(--ease-out)}
.float-btn:hover{transform:translateY(-4px);color:#fff}
.float-phone{background:var(--orange);position:relative}
.float-phone::before{content:"";position:absolute;inset:0;border:1px solid var(--orange);animation:ripple 2s infinite}
@keyframes blink{50%{opacity:.25}}
@keyframes ripple{to{transform:scale(1.7);opacity:0}}
.float-top{background:var(--ink)}

/* ================= 滚动显现（fail-open：仅 JS 确认存活后才启用隐藏态） ================= */
.has-js .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);transition-delay:calc(var(--i,0)*70ms)}
.has-js .reveal.in{opacity:1;transform:none}
@media(min-width:992px) and (max-width:1199.98px){
  .navbar-main .nav-link{padding:30px 10px!important;font-size:14px}
  .navbar-main .nav-link::after{left:10px;right:10px}
  .nav-cta{padding:10px 18px!important;margin-left:10px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  .has-js .reveal{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
  .hero-kicker::before{animation:none}
  html{scroll-behavior:auto}
}

/* ================= 语言切换（中英国旗） ================= */
.lang-switch{display:inline-flex;align-items:center;gap:8px}
.lang-flag{display:inline-flex;align-items:center;justify-content:center;width:26px;height:18px;border-radius:3px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.18);transition:transform .2s,box-shadow .2s;line-height:0}
.lang-flag svg{width:100%;height:100%;display:block}
.lang-flag:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(0,0,0,.25)}
.lang-flag.current{cursor:default;outline:2px solid rgba(255,255,255,.55);outline-offset:1px}
.lang-flag.current:hover{transform:none}
.topbar .lang-flag.current{outline-color:rgba(255,255,255,.7)}
.navbar-main .lang-switch{padding:10px 0}
@media(max-width:991.98px){
  .navbar-main .lang-switch{border-top:1px solid rgba(255,255,255,.08);margin-top:8px;padding:14px 4px 4px}
}