/* ============================================================
 * WZOTECH 维洲科技 · AI WFDE 官网  ——  主样式表
 * 原为 index.html 内联 <style>，拆分独立以提升可维护性
 * 注意：图片路径基准为 css/ 目录，故引用 assets/ 需加 ../
 * ============================================================ */

:root{
  --bg:#050f1f;
  --bg2:#081730;
  --panel:#0c1d3a;
  --line:rgba(77,163,255,.16);
  --line2:rgba(121,155,205,.12);
  --cyan:#4da3ff;
  --blue:#79bdff;
  --violet:#f0b000;
  --amber:#f0b000;
  --txt:#e2e8f0;
  --dim:#8fa3bf;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;overflow-x:hidden;line-height:1.7}
::selection{background:rgba(77,163,255,.3)}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 背景层 ---------- */
#grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(96,165,250,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(96,165,250,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 100%);
}
.glow{position:fixed;border-radius:50%;filter:blur(120px);pointer-events:none;z-index:0}
.glow-a{width:520px;height:520px;top:-160px;left:-120px;background:rgba(77,163,255,.10)}
.glow-b{width:640px;height:640px;top:30%;right:-220px;background:rgba(240,176,0,.08)}

/* ---------- 导航 ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(14px);background:rgba(5,15,31,.78);border-bottom:1px solid var(--line2)}
.nav-in{max-width:1200px;margin:0 auto;padding:0 32px;height:66px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.06em}
.logo-img{height:clamp(34px,2.8vw,42px);width:auto;display:block;filter:drop-shadow(0 0 14px rgba(240,176,0,.22))}
.logo small{display:block;font-family:var(--mono);font-size:10px;color:var(--dim);letter-spacing:.28em;font-weight:400}
.nav-links{display:flex;gap:34px;font-size:14px;color:var(--dim)}
.nav-links a{position:relative;padding:6px 0;transition:color .25s}
.nav-links a:hover{color:var(--cyan)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--cyan);transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-cta{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--cyan);border:1px solid rgba(77,163,255,.45);padding:8px 18px;border-radius:6px;transition:.3s}
.nav-cta:hover{background:rgba(77,163,255,.12);box-shadow:0 0 22px rgba(77,163,255,.25)}
/* 桌面端二级下拉 */
.nav-item.has-dropdown{position:relative;list-style:none;height:100%}
.nav-toggle{display:none}
.nav-drop{list-style:none}
.nav-drop summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;color:var(--dim);padding:6px 0;font-size:14px;transition:color .25s;user-select:none}
.nav-drop summary::-webkit-details-marker{display:none}
.nav-drop .caret{font-size:10px;transition:transform .25s}
.nav-drop[open] .caret{transform:rotate(180deg)}
.nav-drop[open] summary{color:var(--cyan)}
/* 点击展开：仅面板 .drop-body 绝对定位并紧贴导航底部（top:100%），summary 保留在导航行内，无间隙 */
.drop-body{position:absolute;top:100%;left:0;min-width:540px;background:rgba(8,23,48,.97);border:1px solid var(--line);border-radius:12px;padding:18px 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px 24px;box-shadow:0 20px 50px rgba(3,10,24,.6);opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s;z-index:120}
.nav-drop[open] .drop-body{opacity:1;visibility:visible;transform:none}
.drop-group h6{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--violet);margin-bottom:10px}
.drop-group a{display:block;padding:6px 0;font-size:14px;color:var(--txt);transition:color .2s}
.drop-group a:hover{color:var(--cyan)}
.drop-all{grid-column:1/-1;margin-top:6px;font-size:13px;color:var(--cyan);border-top:1px dashed var(--line2);padding-top:12px}
/* 行业页面包屑 / 上一下一 */
.crumb{font-size:12px;color:var(--dim);margin:26px 0 0;letter-spacing:.04em}
.crumb a{color:var(--dim)} .crumb a:hover{color:var(--cyan)} .crumb span{margin:0 8px;opacity:.5}
.prevnext{display:flex;justify-content:space-between;gap:16px;margin:46px 0 0}
.prevnext a{font-size:14px;color:var(--cyan);border:1px solid var(--line);border-radius:8px;padding:12px 20px;transition:.25s}
.prevnext a:hover{background:rgba(77,163,255,.1);border-color:var(--cyan)}

@media(max-width:900px){
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;font-size:22px;color:var(--cyan);background:transparent;border:1px solid var(--line);border-radius:8px;cursor:pointer}
  .nav-links{display:flex;flex-direction:column;gap:18px;position:fixed;top:66px;left:0;right:0;bottom:0;background:rgba(5,15,31,.98);padding:28px 32px;transform:translateX(100%);transition:transform .3s ease;overflow:auto;z-index:99}
  body.nav-open .nav-links{transform:none}
  .nav-drop{list-style:none}
  .nav-item.has-dropdown{height:auto}
  .nav-drop summary{color:var(--dim)}
  .drop-body{position:static;min-width:0;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:none;border-left:1px solid var(--line2);border-radius:0;padding:8px 0 8px 14px;display:none;grid-template-columns:1fr}
  .nav-drop[open] .drop-body{display:grid}
  .nav-cta{margin-top:10px;text-align:center}
}

/* ---------- Hero ---------- */
header{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;padding:150px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.6;animation:heroKB 28s ease-in-out infinite alternate}
@keyframes heroKB{from{transform:scale(1)}to{transform:scale(1.09) translateY(-1.5%)}}
.hero-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(5,15,31,.92) 0%,rgba(5,15,31,.6) 42%,rgba(5,15,31,.16) 78%),linear-gradient(180deg,rgba(5,15,31,.88) 0%,transparent 30%,transparent 60%,var(--bg) 100%)}
#hero-canvas{position:absolute;inset:0;z-index:2}
.hero-in{position:relative;z-index:3}
.hero-grid{max-width:820px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--cyan);border:1px solid rgba(77,163,255,.35);padding:8px 18px;border-radius:100px;background:rgba(77,163,255,.06);margin-bottom:34px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
h1{font-size:clamp(38px,5.4vw,66px);line-height:1.16;font-weight:800;letter-spacing:.01em}
h1 .grad{background:linear-gradient(92deg,#4da3ff 10%,#79bdff 45%,#f0b000 95%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:28px;max-width:640px;color:var(--dim);font-size:17px}
.hero-sub b{color:var(--txt);font-weight:600}
.hero-cta{margin-top:44px;display:flex;gap:18px;flex-wrap:wrap}
.btn{font-size:15px;padding:14px 32px;border-radius:8px;letter-spacing:.04em;transition:.3s;display:inline-flex;align-items:center;gap:10px}
.btn-p{background:linear-gradient(92deg,#1668c4,#0b3d80);color:#fff;font-weight:600;box-shadow:0 0 30px rgba(77,163,255,.3)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 6px 40px rgba(77,163,255,.45)}
.btn-s{border:1px solid var(--line);color:var(--txt)}
.btn-s:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(77,163,255,.06)}
.hero-meta{margin-top:70px;display:flex;gap:0;border:1px solid var(--line2);border-radius:12px;overflow:hidden;background:rgba(12,29,58,.62);backdrop-filter:blur(8px)}
.hm{flex:1;padding:22px 26px;border-right:1px solid var(--line2)}
.hm:last-child{border-right:none}
.hm .n{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--cyan)}
.hm .l{font-size:12px;color:var(--dim);margin-top:2px;letter-spacing:.06em}
@media(max-width:760px){.hero-meta{flex-direction:column}.hm{border-right:none;border-bottom:1px solid var(--line2)}}

/* ---------- 通用区块 ---------- */
section{position:relative;z-index:1;padding:110px 0}
.sec-tag{font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:var(--cyan);margin-bottom:16px;display:flex;align-items:center;gap:12px}
.sec-tag::before{content:"";width:34px;height:1px;background:var(--cyan)}
h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.25;max-width:820px}
h2 .grad{background:linear-gradient(92deg,#4da3ff,#f0b000);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-desc{margin-top:18px;color:var(--dim);max-width:720px;font-size:16px}

/* reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.rv.on{opacity:1;transform:none}

/* ---------- WFDE Banner ---------- */
.wfde-banner{margin-top:52px;position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(77,163,255,.3);box-shadow:0 30px 80px rgba(3,10,24,.6),0 0 60px rgba(77,163,255,.1)}
.wfde-banner img{width:100%;display:block;transition:transform 1.2s cubic-bezier(.2,.7,.3,1)}
.wfde-banner:hover img{transform:scale(1.03)}
.wfde-banner .b-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,15,31,.82) 0%,rgba(5,15,31,.25) 45%,transparent 75%);pointer-events:none}
.wfde-banner .b-txt{position:absolute;left:44px;bottom:38px;z-index:2;max-width:520px}
.wfde-banner .b-tag{font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--violet);margin-bottom:12px}
.wfde-banner .b-tit{font-size:clamp(20px,2.6vw,30px);font-weight:800;line-height:1.3;text-shadow:0 4px 26px rgba(3,10,24,.9)}
.wfde-banner .b-sub{margin-top:10px;font-size:13px;color:#c6dbf7;letter-spacing:.04em}
@media(max-width:700px){.wfde-banner .b-txt{left:24px;bottom:22px;right:24px}}

/* ---------- WFDE 定义 ---------- */
.fde-def{margin-top:56px;display:grid;grid-template-columns:1.05fr .95fr;gap:26px}
@media(max-width:900px){.fde-def{grid-template-columns:1fr}}
.term-card{background:linear-gradient(160deg,rgba(77,163,255,.08),rgba(12,29,58,.72));border:1px solid var(--line);border-radius:16px;padding:40px}
.term-card .en{font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--blue)}
.term-card .acr{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.term-card .acr span{font-family:var(--mono);font-size:12px;letter-spacing:.08em;border:1px solid rgba(77,163,255,.35);border-radius:8px;padding:6px 12px;color:var(--cyan);background:rgba(77,163,255,.06)}
.term-card .acr span b{color:var(--violet);font-weight:700}
.term-card h3{font-size:26px;margin:12px 0 16px}
.term-card p{color:var(--dim);font-size:15px}
.term-card p b{color:var(--txt)}
.term-src{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line2);font-size:13px;color:var(--dim)}
.term-src span{color:var(--cyan);font-family:var(--mono)}
.fde-traits{display:flex;flex-direction:column;gap:16px}
.trait{background:var(--panel);border:1px solid var(--line2);border-radius:14px;padding:24px 28px;display:flex;gap:20px;align-items:flex-start;transition:.3s}
.trait:hover{border-color:rgba(77,163,255,.4);transform:translateX(6px)}
.trait .idx{font-family:var(--mono);color:var(--cyan);font-size:13px;border:1px solid rgba(77,163,255,.4);border-radius:6px;padding:4px 10px;flex-shrink:0;margin-top:2px}
.trait h4{font-size:17px;margin-bottom:6px}
.trait p{font-size:14px;color:var(--dim)}

/* ---------- 服务卡片 ---------- */
.svc-grid{margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:1000px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.svc-grid{grid-template-columns:1fr}}
.svc{position:relative;background:var(--panel);border:1px solid var(--line2);border-radius:16px;padding:34px 30px;overflow:hidden;transition:.35s}
.svc::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:.35s}
.svc:hover{transform:translateY(-6px);border-color:rgba(77,163,255,.45);box-shadow:0 20px 50px rgba(3,10,24,.65)}
.svc:hover::before{opacity:1}
.svc .ic{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;margin-bottom:22px;background:rgba(77,163,255,.1);border:1px solid rgba(77,163,255,.3)}
.svc .ic svg{width:22px;height:22px;stroke:var(--cyan);fill:none;stroke-width:1.6}
.svc .svc-img{margin:-34px -30px 24px;height:160px;overflow:hidden;position:relative}
.svc .svc-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.svc:hover .svc-img img{transform:scale(1.07)}
.svc .svc-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(12,29,58,.92))}
.svc .svc-img .t{position:absolute;left:20px;bottom:12px;z-index:2;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--blue)}
.svc h3{font-size:18px;margin-bottom:10px}
.svc p{font-size:14px;color:var(--dim)}
.svc .tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.svc .tags span{font-family:var(--mono);font-size:11px;color:var(--blue);border:1px solid rgba(96,165,250,.3);border-radius:100px;padding:3px 11px;background:rgba(96,165,250,.05)}

/* ---------- 形象横幅 ---------- */
.band{position:relative;z-index:1;height:400px;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
.band .bg{position:absolute;inset:0;background:url("../assets/wzo-ban4.jpg") center/cover;transform:scale(1.06)}
.band .veil{position:absolute;inset:0;background:linear-gradient(180deg,var(--bg) 0%,rgba(5,15,31,.55) 30%,rgba(5,15,31,.55) 70%,var(--bg) 100%)}
.band-in{position:relative;z-index:2}
.band-in .b-tag{font-family:var(--mono);font-size:12px;letter-spacing:.4em;color:var(--violet);margin-bottom:16px}
.band-in h3{font-size:clamp(24px,3.4vw,40px);font-weight:800;text-shadow:0 4px 30px rgba(3,10,24,.8)}
.band-in p{margin-top:12px;color:#cfe2ff;font-size:15px;letter-spacing:.1em;text-shadow:0 2px 16px rgba(3,10,24,.8)}

/* ---------- 融合方案 ---------- */
.fusion{background:linear-gradient(180deg,transparent,rgba(8,23,48,.66) 18%,rgba(8,23,48,.66) 82%,transparent)}
.fusion-map{margin-top:60px;display:grid;grid-template-columns:1fr 64px 1fr;gap:0;align-items:stretch}
@media(max-width:900px){.fusion-map{grid-template-columns:1fr}.fusion-core{margin:26px auto}}
.fusion-col{display:flex;flex-direction:column;gap:16px}
.f-item{background:var(--panel);border:1px solid var(--line2);border-radius:12px;padding:20px 24px;transition:.3s;flex:1;overflow:hidden}
.fi-img{margin:-20px -24px 16px;height:128px;overflow:hidden;position:relative}
.fi-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.f-item:hover .fi-img img{transform:scale(1.07)}
.fi-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(12,29,58,.92));pointer-events:none}
.f-item:hover{border-color:rgba(240,176,0,.5)}
.f-item .k{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--violet)}
.f-item h4{font-size:16px;margin:8px 0 6px}
.f-item p{font-size:13px;color:var(--dim)}
.f-item.right:hover{border-color:rgba(77,163,255,.5)}
.f-item.right .k{color:var(--cyan)}
.fusion-core{display:flex;align-items:center;justify-content:center}
.core-node{width:120px;height:120px;border-radius:50%;border:1px solid rgba(77,163,255,.5);display:grid;place-items:center;text-align:center;font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--cyan);background:radial-gradient(circle,rgba(77,163,255,.14),transparent 70%);box-shadow:0 0 50px rgba(77,163,255,.22);animation:corePulse 3.4s ease-in-out infinite}
@keyframes corePulse{0%,100%{box-shadow:0 0 30px rgba(77,163,255,.18)}50%{box-shadow:0 0 70px rgba(77,163,255,.4)}}
.fusion-out{margin-top:44px;border:1px solid var(--line);border-radius:16px;padding:38px 40px;background:linear-gradient(120deg,rgba(77,163,255,.07),rgba(240,176,0,.07));display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
@media(max-width:900px){.fusion-out{grid-template-columns:1fr}}
.fusion-out h3{font-size:20px;margin-bottom:14px}
.fusion-out p{color:var(--dim);font-size:15px}
.fo-img{border-radius:12px;overflow:hidden;border:1px solid rgba(77,163,255,.3);box-shadow:0 18px 46px rgba(3,10,24,.55);position:relative}
.fo-img img{width:100%;display:block;transition:transform .6s}
.fo-img:hover img{transform:scale(1.04)}
.fo-img .cap{position:absolute;left:0;right:0;bottom:0;padding:20px 16px 10px;background:linear-gradient(180deg,transparent,rgba(5,15,31,.85));font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--blue)}

/* ---------- 服务矩阵（保留业务） ---------- */
.matrix{margin-top:56px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:760px){.matrix{grid-template-columns:1fr}}
.mx{position:relative;background:var(--panel);border:1px solid var(--line2);border-radius:16px;padding:0 0 30px;transition:.35s;overflow:hidden}
.mx:hover{border-color:rgba(96,165,250,.45);transform:translateY(-5px)}
.mx-img{height:180px;overflow:hidden;position:relative}
.mx-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.mx:hover .mx-img img{transform:scale(1.06)}
.mx-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(12,29,58,.9))}
.mx-body{padding:22px 32px 0}
.mx .code{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:rgba(143,163,191,.55);display:block;margin-bottom:8px}
.mx h3{font-size:21px;margin-bottom:4px}
.mx .sub{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--blue);margin-bottom:14px}
.mx p{font-size:14px;color:var(--dim)}
.mx .ai{margin:18px 32px 0;padding-top:16px;border-top:1px dashed var(--line2);font-size:13px;color:var(--dim)}
.mx .ai b{color:var(--cyan);font-weight:600}
.mx .ai b::before{content:"⚡ "}

/* ---------- 方法论 ---------- */
.steps{margin-top:64px;display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
@media(max-width:1000px){.steps{grid-template-columns:1fr;gap:18px}}
.steps::before{content:"";position:absolute;top:27px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,transparent,rgba(77,163,255,.5),rgba(240,176,0,.5),transparent)}
@media(max-width:1000px){.steps::before{display:none}}
.step{text-align:center;padding:0 14px;position:relative}
@media(max-width:1000px){.step{text-align:left;display:flex;gap:20px;align-items:flex-start}}
.step .node{width:54px;height:54px;margin:0 auto 20px;border-radius:50%;border:1px solid rgba(77,163,255,.5);background:var(--bg2);display:grid;place-items:center;font-family:var(--mono);color:var(--cyan);font-size:15px;position:relative;z-index:2;box-shadow:0 0 20px rgba(77,163,255,.15);flex-shrink:0}
@media(max-width:1000px){.step .node{margin:0}}
.step h4{font-size:16px;margin-bottom:8px}
.step .en{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--violet);display:block;margin-bottom:8px}
.step p{font-size:13px;color:var(--dim)}

/* ---------- 优势 / 图集 ---------- */
.adv-grid{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1000px){.adv-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.adv-grid{grid-template-columns:1fr}}
.adv{border:1px solid var(--line2);border-radius:14px;padding:30px 26px;background:var(--panel);transition:.3s}
.adv:hover{border-color:rgba(240,176,0,.4)}
.adv .num{font-family:var(--mono);font-size:12px;color:var(--amber);letter-spacing:.2em}
.adv h4{font-size:16px;margin:12px 0 8px}
.adv p{font-size:13px;color:var(--dim)}
.gallery{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:1000px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gallery{grid-template-columns:1fr}}
.g-item{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line2);aspect-ratio:16/10}
.g-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.g-item:hover img{transform:scale(1.07)}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;padding:30px 18px 13px;background:linear-gradient(180deg,transparent,rgba(5,15,31,.9));display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.g-item .cap .t{font-size:13px;font-weight:600;color:var(--txt)}
.g-item .cap .e{font-family:var(--mono);font-size:9px;color:var(--blue);letter-spacing:.12em;white-space:nowrap}
.g-title{margin-top:70px;font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:var(--cyan);display:flex;align-items:center;gap:12px}
.g-title::before{content:"";width:34px;height:1px;background:var(--cyan)}

/* ---------- CTA / Footer ---------- */
.cta-band{margin:40px 0 0;border:1px solid var(--line);border-radius:20px;padding:70px 40px;text-align:center;background:radial-gradient(ellipse 70% 120% at 50% 0%,rgba(77,163,255,.12),rgba(12,29,58,.62));position:relative;overflow:hidden}
.cta-band h2{margin:0 auto}
.cta-band p{color:var(--dim);margin:18px auto 34px;max-width:600px}
.cta-band .c-info{margin-top:30px;padding-top:26px;border-top:1px dashed var(--line2);display:flex;justify-content:center;gap:38px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.cta-band .c-info b{color:var(--cyan);font-weight:600;font-size:12px;letter-spacing:.06em;display:block;margin-bottom:2px}
.cta-band .c-info a:hover{color:var(--cyan)}
footer{border-top:1px solid var(--line2);padding:60px 0 40px;position:relative;z-index:1;background:rgba(5,15,31,.85)}
.ft{display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:40px}
@media(max-width:800px){.ft{grid-template-columns:1fr}}
.ft h5{font-size:14px;margin-bottom:16px;color:var(--txt);letter-spacing:.08em}
.ft a,.ft p{display:block;font-size:13px;color:var(--dim);margin-bottom:10px;transition:.25s}
.ft a:hover{color:var(--cyan)}
.ft-brand p{max-width:340px}
.ft .ci b{color:var(--blue);font-size:12px;letter-spacing:.06em;font-weight:600;display:inline-block;min-width:38px}
.copyright{margin-top:48px;padding-top:24px;border-top:1px solid var(--line2);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:rgba(143,163,191,.6);font-family:var(--mono)}
.copyright a{color:inherit;transition:.25s}
.copyright a:hover{color:var(--cyan)}

/* ---------- Location · 位置与导航 ---------- */
.location{padding:90px 0 110px}
.loc-grid{margin-top:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:26px;align-items:stretch}
@media(max-width:900px){.loc-grid{grid-template-columns:1fr}}
.loc-map{position:relative;height:440px;border-radius:16px;overflow:hidden;border:1px solid rgba(77,163,255,.3);box-shadow:0 30px 80px rgba(3,10,24,.5);background:var(--panel)}
@media(max-width:700px){.loc-map{height:340px}}
.loc-map .anchor{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--dim);font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-align:center;line-height:1.8;padding:0 30px}
.loc-card{background:var(--panel);border:1px solid var(--line2);border-radius:16px;padding:32px 30px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden}
.loc-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--cyan),var(--violet))}
.lc-row{font-size:14px;color:var(--txt);line-height:1.7;border-bottom:1px dashed rgba(77,163,255,.15);padding-bottom:10px}
.lc-row:last-of-type{border-bottom:none}
.lc-row b{font-size:12px;letter-spacing:.06em;color:var(--cyan);margin-right:14px;font-weight:600;display:inline-block;min-width:38px}
.lc-actions{margin-top:6px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lc-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:11px 14px;font-size:13px;border:1px solid var(--line);border-radius:8px;color:var(--txt);background:rgba(12,29,58,.5);transition:.25s;font-weight:500;text-align:center}
.lc-btn:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(77,163,255,.08);transform:translateY(-1px)}
.lc-btn-p{background:linear-gradient(92deg,#1668c4,#0b3d80);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 0 20px rgba(77,163,255,.25)}
.lc-btn-p:hover{color:#fff;background:linear-gradient(92deg,#1a78d8,#0d4690);box-shadow:0 6px 30px rgba(77,163,255,.4)}
.lc-btn-s{grid-column:span 2;background:rgba(240,176,0,.08);border-color:rgba(240,176,0,.35);color:var(--violet)}
.lc-btn-s:hover{background:rgba(240,176,0,.15);color:var(--violet);border-color:var(--violet)}
.lc-fallback{margin-top:14px;padding:12px 14px;background:rgba(240,176,0,.06);border:1px solid rgba(240,176,0,.25);border-radius:8px;font-size:12px;color:#e6c98a;line-height:1.7}
.lc-fallback code{font-family:var(--mono);background:rgba(240,176,0,.12);padding:1px 6px;border-radius:4px;color:var(--violet);font-size:11px}

/* 微信号一键复制 */
.wx-copy{display:inline-flex;align-items:center;cursor:pointer}
.wx-copy i{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--violet);border:1px solid rgba(240,176,0,.38);border-radius:4px;padding:0 6px;margin-left:8px;line-height:1.6;transition:.25s;white-space:nowrap}
.wx-copy:hover i{background:rgba(240,176,0,.16);border-color:var(--violet)}
.wx-copy.ok i{background:var(--violet);color:#0a1c33;border-color:var(--violet)}