/* ============================================================
   杭州仁杰专利代理事务所 官网样式系统
   主题：深蓝科技风（蓝色为底）
   ============================================================ */

:root{
  /* 主色系 —— 蓝色为底 */
  --blue-900:#03081A;
  --blue-850:#050C1F;
  --blue-800:#081228;
  --blue-750:#0A1830;
  --blue-700:#0D2044;

  --accent:#4DA3FF;          /* 主强调蓝 */
  --accent-bright:#7CC0FF;   /* 亮蓝 */
  --accent-deep:#1E6FD9;     /* 深蓝 */
  --cyan:#38E0E8;            /* 点缀青 */
  --gold:#D9B44A;            /* 资质金 */

  --panel:rgba(13,32,68,.55);
  --panel-solid:#0B1A36;
  --panel-hover:rgba(20,44,88,.72);
  --line:rgba(124,192,255,.14);
  --line-strong:rgba(124,192,255,.32);

  --text:#E8F1FF;
  --text-2:#9FB4D4;
  --text-3:#64789A;

  --nav-h:74px;
  --container:1240px;
  --ease:cubic-bezier(.77,0,.175,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
/* 自托管 Saira（数字与拉丁字符科技感），避免 Google Fonts 外链在国内被墙导致渲染阻塞 */
@font-face{font-family:'Saira';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/saira-400.woff2') format('woff2')}
@font-face{font-family:'Saira';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/saira-600.woff2') format('woff2')}
@font-face{font-family:'Saira';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/saira-700.woff2') format('woff2')}
body{
  background:var(--blue-900);
  color:var(--text);
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans CJK SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:15px;line-height:2.05;letter-spacing:.4px;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
.num{font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-variant-numeric:tabular-nums}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#02102B}
body::before{
  content:'';position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(ellipse 90% 60% at 78% 8%,rgba(30,111,217,.20),transparent 62%),
    radial-gradient(ellipse 70% 50% at 12% 92%,rgba(56,224,232,.09),transparent 60%),
    linear-gradient(180deg,var(--blue-850) 0%,var(--blue-900) 45%,#02060F 100%);
}

/* ========== 加载动画 ========== */
.loader-wrapper{
  position:fixed;inset:0;z-index:9999;background:var(--blue-900);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .6s ease,visibility .6s ease;
}
.loader-wrapper.done{opacity:0;visibility:hidden}
.loader{width:220px;height:2px;background:rgba(124,192,255,.14);overflow:hidden;position:relative;border-radius:2px}
.loader::after{
  content:'';position:absolute;left:0;top:0;height:100%;width:0;
  background:linear-gradient(90deg,var(--accent-deep),var(--accent-bright));
  animation:loadline 1.2s var(--ease) forwards;
}
@keyframes loadline{to{width:100%}}
.loader-txt{font-size:11px;letter-spacing:5px;color:var(--text-3)}

/* ========== 顶部进度条 ========== */
.progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:1200;
  background:linear-gradient(90deg,var(--accent-deep),var(--accent-bright),var(--cyan));
  box-shadow:0 0 14px rgba(77,163,255,.7);transition:width .1s linear;
}

/* ========== 顶栏 ========== */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 45px;height:var(--nav-h);
  border-bottom:1px solid transparent;
  transition:background .4s ease,padding .4s ease,border-color .4s ease,height .4s ease;
}
.topbar.scrolled{
  background:rgba(3,8,26,.90);backdrop-filter:blur(20px);
  border-bottom-color:var(--line);height:64px;
}
.logo{display:flex;align-items:center;gap:13px;flex:0 0 auto}
.logo-mark{
  width:52px;height:40px;flex:0 0 52px;
  display:flex;align-items:center;justify-content:center;
  filter:drop-shadow(0 0 16px rgba(77,163,255,.34));
}
.logo-mark img{width:100%;height:100%;object-fit:contain;display:block}
.logo-txt b{display:block;font-size:19px;font-weight:700;letter-spacing:3px;line-height:1.35;white-space:nowrap}
.logo-txt span{display:block;font-size:9px;letter-spacing:3px;color:var(--text-3);line-height:1.5;white-space:nowrap}
.topnav{display:flex;gap:32px;list-style:none}
.topnav a{
  font-size:14px;letter-spacing:1.6px;color:var(--text-2);
  position:relative;padding:6px 0;transition:color .3s ease;white-space:nowrap;
}
.topnav a::after{
  content:'';position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--cyan));
  transform:translateX(-50%);transition:width .35s var(--ease);
}
.topnav a:hover,.topnav a.active{color:#fff}
.topnav a:hover::after,.topnav a.active::after{width:100%}
.topbar-right{display:flex;align-items:center;gap:18px;flex:0 0 auto}

/* ============================================================
   SVG 全局兜底
   绝不使用 `svg{width:100%;height:100%}` —— 那会把未被局部约束的图标
   撑满父容器（实测可放大到 277px）。这里统一给 1em 的默认尺寸，
   各模块的 .xxx svg 规则会覆盖它；即便样式表失效也不会失控。
   ============================================================ */
svg{width:1em;height:1em;flex:0 0 auto}
.tel{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2);transition:color .3s}
.tel:hover{color:var(--accent-bright)}
.tel b{font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:15px;color:#fff;font-weight:600}
.tel svg{width:15px;height:15px}
.trigger{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:rgba(124,192,255,.05);cursor:pointer;position:relative;border-radius:8px;
}
.trigger span{
  position:absolute;left:11px;width:19px;height:1.5px;background:#fff;
  transition:transform .4s var(--ease),top .4s var(--ease),background .3s;
}
.trigger span:nth-child(1){top:16px}
.trigger span:nth-child(2){top:24px}
.trigger.open span:nth-child(1){top:20px;transform:rotate(45deg);background:var(--accent)}
.trigger.open span:nth-child(2){top:20px;transform:rotate(-45deg);background:var(--accent)}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;font-size:13.5px;letter-spacing:1.6px;font-weight:500;
  border-radius:4px;cursor:pointer;border:1px solid transparent;
  transition:all .35s var(--ease);font-family:'Noto Sans SC',sans-serif;
}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),var(--accent-deep));
  color:#02102B;font-weight:700;box-shadow:0 8px 30px rgba(30,111,217,.30);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 42px rgba(30,111,217,.44)}
.btn-ghost{border-color:var(--line-strong);color:#fff;background:rgba(77,163,255,.06)}
.btn-ghost:hover{border-color:var(--accent);background:rgba(77,163,255,.14);transform:translateY(-3px)}
.btn-gold{border-color:rgba(217,180,74,.42);color:var(--gold);background:rgba(217,180,74,.06)}
.btn-gold:hover{border-color:var(--gold);background:rgba(217,180,74,.14);transform:translateY(-3px)}
.btn i{font-style:normal;transition:transform .35s ease}
.btn:hover i{transform:translateX(5px)}
.btn svg{width:16px;height:16px}

/* ========== 侧边菜单 ========== */
.side-menu{
  position:fixed;top:0;right:-420px;width:420px;height:100%;z-index:900;
  background:rgba(4,10,26,.98);backdrop-filter:blur(24px);
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;justify-content:center;
  padding:0 60px;transition:right .5s var(--ease);
}
.side-menu.open{right:0}
.side-menu li{opacity:0;transform:translateX(25px);transition:opacity .5s ease,transform .5s ease}
.side-menu.open li{opacity:1;transform:translateX(0)}
.side-menu.open li:nth-child(1){transition-delay:.15s}
.side-menu.open li:nth-child(2){transition-delay:.22s}
.side-menu.open li:nth-child(3){transition-delay:.29s}
.side-menu.open li:nth-child(4){transition-delay:.36s}
.side-menu.open li:nth-child(5){transition-delay:.43s}
.side-menu.open li:nth-child(6){transition-delay:.50s}
.side-menu a{
  display:block;font-size:22px;font-weight:700;letter-spacing:3px;
  padding:15px 0;border-bottom:1px solid var(--line);color:#fff;
  transition:color .3s ease,padding-left .35s var(--ease);
}
.side-menu a:hover{color:var(--accent-bright);padding-left:12px}
.side-menu .m-brand{
  position:absolute;top:30px;left:60px;
  font-size:11px;letter-spacing:3px;color:var(--text-3);
  padding-right:56px;
}
.overlay{
  position:fixed;inset:0;z-index:880;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s ease;
}
.overlay.open{opacity:1;visibility:visible}

/* ========== 布局 ========== */
.container{max-width:var(--container);margin:0 auto;padding:0 45px}
.sec{position:relative;z-index:10;padding:104px 0}
.sec-tint{background:rgba(8,18,40,.42)}
.sec-line{border-top:1px solid var(--line)}
.sec-head{margin-bottom:60px}
.sec-head .en{
  display:block;font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:13px;font-weight:600;
  letter-spacing:4.5px;color:var(--accent-bright);margin-bottom:12px;
}
.sec-head h2{font-size:37px;font-weight:700;letter-spacing:2.6px;line-height:1.5}
.sec-head p{color:var(--text-2);font-size:14.5px;margin-top:14px;max-width:760px;letter-spacing:.8px;line-height:2.05}
.sec-head.center{text-align:center}
.sec-head.center p{margin-left:auto;margin-right:auto}
.sec-head .more{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:13px;letter-spacing:1.6px;color:var(--accent-bright);
  transition:gap .3s var(--ease);
  white-space:nowrap;   /* 防止被容器挤窄后折行 */
}
.sec-head .more:hover{gap:14px}
/* SVG 必须显式定尺寸：无 width/height 时浏览器按 300x150 撑开，会把文字挤成竖排 */
.sec-head .more svg{width:15px;height:15px;flex:0 0 15px}

/* ========== Hero ========== */
.hero{
  position:relative;z-index:10;min-height:100vh;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  padding:calc(var(--nav-h) + 60px) 45px 110px;text-align:center;
}
.hero-bg{position:absolute;inset:0;z-index:0;background:url('../images/hero.webp') center/cover no-repeat}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 68% 58% at 74% 42%,rgba(30,111,217,.22),transparent 64%),
    linear-gradient(180deg,rgba(3,8,26,.88) 0%,rgba(3,8,26,.74) 42%,rgba(3,8,26,.96) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:0;opacity:.30;
  background-image:
    linear-gradient(rgba(77,163,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(77,163,255,.06) 1px,transparent 1px);
  background-size:68px 68px;
  mask-image:radial-gradient(ellipse 75% 70% at 50% 42%,#000 28%,transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 50% 42%,#000 28%,transparent 76%);
}
.hero-inner{max-width:1060px;width:100%;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:11px;
  padding:9px 20px;border:1px solid var(--line-strong);border-radius:100px;
  background:rgba(30,111,217,.14);
  font-size:12px;letter-spacing:2.6px;color:var(--accent-bright);margin-bottom:32px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(56,224,232,.5)}50%{opacity:.5;box-shadow:0 0 0 8px rgba(56,224,232,0)}}
.hero h1{font-size:60px;font-weight:900;line-height:1.34;letter-spacing:4px;margin-bottom:8px}
.hero h1 em{font-style:normal;color:var(--accent-bright);text-shadow:0 0 36px rgba(77,163,255,.5)}
.hero h1 .en{
  display:block;font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;font-weight:600;
  letter-spacing:8px;color:var(--text-3);margin-top:22px;
}
.hero-slogan{
  font-size:19px;letter-spacing:3px;color:var(--text);margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
}
/* 首屏 Slogan 前置标签：天工研究院推荐合作 */
.hero-slogan:only-child{justify-content:center;margin-bottom:22px}
.hero-slogan .tag{
  font-size:11.5px;letter-spacing:1.6px;color:var(--gold);
  border:1px solid rgba(217,180,74,.4);background:rgba(217,180,74,.08);
  padding:4px 13px;border-radius:100px;
}
.hero-sub{
  font-size:15.5px;color:var(--text-2);letter-spacing:1.2px;line-height:2.15;
  max-width:800px;margin:0 auto 40px;
}
.hero-sub strong{color:#fff;font-weight:500}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:52px;justify-content:center;flex-wrap:wrap;
  margin-top:64px;padding-top:38px;border-top:1px solid var(--line);
}
.hstat{text-align:center}
.hstat b{
  display:block;font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:36px;font-weight:700;
  color:var(--accent-bright);line-height:1.15;letter-spacing:1px;
}
.hstat span{font-size:12px;letter-spacing:2.2px;color:var(--text-3)}
.scroll-hint{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:10px;letter-spacing:4px;color:var(--text-3);
}
.wheel{width:22px;height:36px;border:1px solid rgba(124,192,255,.24);border-radius:12px;position:relative}
.wheel::after{
  content:'';position:absolute;left:50%;top:7px;width:3px;height:6px;border-radius:2px;
  background:var(--accent);margin-left:-1.5px;animation:wheel 2s ease-in-out infinite;
}
@keyframes wheel{0%{transform:translateY(0);opacity:1}50%{transform:translateY(15px);opacity:.35}100%{transform:translateY(0);opacity:1}}

/* ========== 通用卡片 ========== */
.reveal{opacity:0;position:relative;top:30px;transition:opacity .7s ease,top .7s ease}
.loaded{opacity:1 !important;top:0 !important}
.rv{opacity:0;position:relative;top:30px;transition:opacity .7s ease,top .7s ease,transform .45s var(--ease),border-color .4s,background .4s}
.loaded{opacity:1 !important;top:0 !important}

/* 兜底：若 JS 被拦截/加载失败/禁用，动画元素必须仍然可见（否则整块内容永久空白） */
html.no-js .reveal,
html.no-js .rv,
html.no-js .svc,
html.no-js .adv,
html.no-js .case,
html.no-js .ind,
html.no-js .proc-item,
html.no-js .member,
html.no-js .cert,
html.no-js .fit,
html.no-js .qr,
html.no-js .news-item,
html.no-js .ct-card,
html.no-js .check-list li,
html.no-js .risk,
html.no-js .logo-item{opacity:1 !important;top:0 !important;transform:none !important}

/* ========== 三大优势 ========== */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv{
  padding:36px 30px;background:var(--panel);border:1px solid var(--line);border-radius:8px;
  backdrop-filter:blur(10px);position:relative;overflow:hidden;
  transition:transform .45s var(--ease),border-color .4s,background .4s;
}
.adv::before{
  content:'';position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--cyan));
  transition:width .5s var(--ease);
}
.adv:hover{transform:translateY(-8px);border-color:var(--line-strong);background:var(--panel-hover)}
.adv:hover::before{width:100%}
.adv-ico{
  width:52px;height:52px;border-radius:12px;margin-bottom:20px;
  background:linear-gradient(140deg,rgba(77,163,255,.18),rgba(77,163,255,.03));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-bright);
}
.adv-ico svg{width:24px;height:24px}
.adv h3{font-size:18px;font-weight:700;letter-spacing:1.4px;margin-bottom:12px}
.adv p{font-size:13.5px;color:var(--text-2);line-height:2;letter-spacing:.6px}

/* ========== 服务卡片 ========== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{
  position:relative;padding:38px 30px 32px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  backdrop-filter:blur(10px);overflow:hidden;
  transition:transform .45s var(--ease),border-color .4s,background .4s;
  display:block;
}
.svc::before{
  content:'';position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-deep));
  transition:width .5s var(--ease);
}
.svc:hover{transform:translateY(-8px);border-color:var(--line-strong);background:var(--panel-hover)}
.svc:hover::before{width:100%}
.svc-no{font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--text-3);margin-bottom:18px}
.svc-ico{
  width:52px;height:52px;border-radius:12px;margin-bottom:20px;
  background:linear-gradient(140deg,rgba(77,163,255,.18),rgba(77,163,255,.03));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-bright);
}
.svc-ico svg{width:24px;height:24px}
.svc h3{font-size:18.5px;font-weight:700;letter-spacing:1.4px;margin-bottom:12px}
.svc p{font-size:13.5px;color:var(--text-2);line-height:2;letter-spacing:.6px;margin-bottom:18px}
.svc-foot{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:16px;
  font-size:12px;letter-spacing:1.2px;color:var(--text-3);
}
.svc:hover .svc-foot .go{color:var(--accent-bright);gap:10px}
.svc-foot .go{display:flex;align-items:center;gap:6px;transition:all .35s var(--ease)}
.svc:hover .svc-foot .go svg{transform:translateX(3px)}
.svc-foot .go svg{width:13px;height:13px;transition:transform .35s var(--ease)}

/* ========== 行业赛道 ========== */
.ind-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px}
.ind{
  position:relative;padding:32px 22px;border-radius:8px;overflow:hidden;
  border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(10px);
  transition:transform .45s var(--ease),border-color .4s;
  display:block;
}
.ind::after{
  content:'';position:absolute;inset:0;opacity:0;transition:opacity .45s ease;
  background:linear-gradient(180deg,rgba(30,111,217,.05),rgba(10,24,48,.9));
}
.ind:hover{transform:translateY(-8px);border-color:var(--line-strong)}
.ind:hover::after{opacity:1}
.ind-ico{
  width:46px;height:46px;border-radius:11px;margin-bottom:18px;position:relative;z-index:2;
  background:linear-gradient(140deg,rgba(56,224,232,.16),rgba(56,224,232,.02));
  border:1px solid rgba(56,224,232,.3);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);
}
.ind-ico svg{width:22px;height:22px}
.ind h3{font-size:16.5px;font-weight:700;letter-spacing:1.2px;margin-bottom:10px;position:relative;z-index:2}
.ind p{font-size:12.5px;color:var(--text-2);line-height:1.95;letter-spacing:.5px;position:relative;z-index:2}
.ind-tag{
  display:inline-block;margin-top:14px;font-size:11px;letter-spacing:1px;
  color:var(--accent-bright);opacity:0;transform:translateY(6px);
  transition:all .4s var(--ease);position:relative;z-index:2;
}
.ind:hover .ind-tag{opacity:1;transform:translateY(0)}

/* ========== 流程 ========== */
.proc{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.proc::before{
  content:'';position:absolute;top:28px;left:9%;right:9%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong) 15%,var(--line-strong) 85%,transparent);
}
.proc-item{text-align:center;position:relative}
.proc-num{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  background:var(--blue-900);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:18px;font-weight:700;color:var(--accent-bright);
  position:relative;z-index:2;transition:transform .4s var(--ease),background .4s;
}
.proc-item:hover .proc-num{transform:scale(1.12);background:rgba(30,111,217,.2)}
.proc-item h4{font-size:15px;font-weight:700;letter-spacing:1.2px;margin-bottom:8px}
.proc-item p{font-size:12.5px;color:var(--text-3);letter-spacing:.4px;line-height:1.9}

/* ========== 案例 ========== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{
  position:relative;height:280px;border-radius:8px;overflow:hidden;
  border:1px solid var(--line);cursor:pointer;display:block;
}
.case img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.case-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,8,26,.28),rgba(3,8,26,.94));
  display:flex;flex-direction:column;justify-content:flex-end;padding:26px;
  transition:background .5s ease;
}
.case:hover img{transform:scale(1.09)}
.case:hover .case-overlay{background:linear-gradient(180deg,rgba(6,18,42,.16),rgba(5,16,38,.96))}
.case-tag{
  align-self:flex-start;font-size:11px;letter-spacing:1.4px;color:var(--accent-bright);
  border:1px solid var(--line-strong);background:rgba(30,111,217,.22);
  padding:4px 12px;border-radius:100px;margin-bottom:12px;
}
.case h3{font-size:17.5px;font-weight:700;letter-spacing:1px;margin-bottom:9px}
.case p{font-size:12.5px;color:var(--text-2);letter-spacing:.5px;line-height:1.85}
.case-metric{margin-top:13px;display:flex;align-items:baseline;gap:9px;border-top:1px solid var(--line);padding-top:13px}
.case-metric b{font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:23px;color:var(--accent-bright);font-weight:700}
.case-metric span{font-size:11.5px;color:var(--text-3);letter-spacing:.8px}

/* ========== 团队 / 资质 ========== */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{
  text-align:center;padding:32px 22px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  backdrop-filter:blur(10px);transition:transform .45s var(--ease),border-color .4s;
}
.member:hover{transform:translateY(-8px);border-color:var(--line-strong)}
.member-av{
  width:88px;height:88px;border-radius:50%;margin:0 auto 18px;
  background:linear-gradient(140deg,rgba(77,163,255,.22),rgba(77,163,255,.04));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:700;color:var(--accent-bright);font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;
}
.member h4{font-size:16.5px;font-weight:700;letter-spacing:1.3px;margin-bottom:6px}
.member .role{font-size:12px;color:var(--accent-bright);letter-spacing:1.4px;margin-bottom:13px}
.member p{font-size:12.5px;color:var(--text-2);line-height:1.95;letter-spacing:.4px}

/* ========== 资质 / LOGO 墙 ========== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert{
  padding:32px 24px;background:var(--panel);border:1px solid var(--line);border-radius:8px;
  text-align:center;backdrop-filter:blur(10px);
  transition:transform .45s var(--ease),border-color .4s;
}
.cert:hover{transform:translateY(-8px);border-color:rgba(217,180,74,.36)}
.cert-ico{
  width:54px;height:54px;margin:0 auto 18px;border-radius:12px;
  background:linear-gradient(140deg,rgba(217,180,74,.20),rgba(217,180,74,.03));
  border:1px solid rgba(217,180,74,.32);
  display:flex;align-items:center;justify-content:center;color:var(--gold);
}
.cert-ico svg{width:24px;height:24px}
.cert h4{font-size:15.5px;font-weight:700;letter-spacing:1.1px;margin-bottom:10px}
.cert p{font-size:12.5px;color:var(--text-2);line-height:1.95;letter-spacing:.5px}

.logo-wall{
  display:flex;flex-wrap:wrap;gap:14px;align-items:stretch;justify-content:center;
}
.logo-item{
  min-width:172px;flex:1 1 172px;max-width:240px;
  padding:24px 18px;border:1px solid var(--line);border-radius:6px;
  background:rgba(255,255,255,.025);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;
  transition:all .4s var(--ease);text-align:center;
}
.logo-item:hover{border-color:var(--line-strong);background:rgba(77,163,255,.08);transform:translateY(-4px)}
.logo-item .li-mark{
  width:42px;height:42px;border-radius:9px;
  background:linear-gradient(140deg,rgba(124,192,255,.22),rgba(124,192,255,.05));
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-weight:700;color:var(--accent-bright);font-size:15px;
}
.logo-item b{font-size:13px;font-weight:500;letter-spacing:.8px;line-height:1.6}
.logo-item span{font-size:10.5px;letter-spacing:1.2px;color:var(--text-3)}
.logo-item.featured{
  border-color:rgba(217,180,74,.38);background:rgba(217,180,74,.06);
  order:-1;max-width:300px;flex-basis:300px;
}
.logo-item.featured .li-mark{background:linear-gradient(140deg,rgba(217,180,74,.3),rgba(217,180,74,.08));border-color:rgba(217,180,74,.4);color:var(--gold)}
.logo-item.featured b{color:var(--gold)}

/* ========== 二维码 ========== */
.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.qr{
  padding:32px 28px;background:var(--panel);border:1px solid var(--line);border-radius:8px;
  backdrop-filter:blur(10px);text-align:center;transition:transform .45s var(--ease),border-color .4s;
}
.qr:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.qr-box{
  width:150px;height:150px;margin:0 auto 18px;border-radius:8px;
  background:rgba(255,255,255,.94);padding:11px;
  display:flex;align-items:center;justify-content:center;
}
.qr-box svg{width:100%;height:100%}
.qr h4{font-size:16px;font-weight:700;letter-spacing:1.4px;margin-bottom:8px}
.qr p{font-size:12.5px;color:var(--text-2);line-height:1.9;letter-spacing:.4px}

/* ========== CTA ========== */
.cta-band{
  position:relative;padding:78px 45px;text-align:center;overflow:hidden;
  background:linear-gradient(120deg,rgba(30,111,217,.12),rgba(30,111,217,.02));
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
}
.cta-band::before{
  content:'';position:absolute;inset:0;opacity:.5;
  background:url('../images/texture.webp') center/cover no-repeat;
}
.cta-band .inner{position:relative;z-index:2}
.cta-band h2{font-size:32px;font-weight:700;letter-spacing:2.6px;margin-bottom:13px}
.cta-band p{color:var(--text-2);font-size:14.5px;letter-spacing:1.2px;margin-bottom:30px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ========== 联系 ========== */
.contact{display:grid;grid-template-columns:1fr 1.05fr;gap:28px}
.ct-card{padding:40px 38px;background:var(--panel);border:1px solid var(--line);border-radius:8px;backdrop-filter:blur(10px)}
.ct-row{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.ct-row:last-child{border-bottom:0;padding-bottom:0}
.ct-ico{
  flex:0 0 42px;height:42px;border-radius:10px;
  background:rgba(77,163,255,.10);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-bright);
}
.ct-ico svg{width:18px;height:18px}
.ct-row h4{font-size:12.5px;color:var(--text-3);letter-spacing:1.8px;margin-bottom:5px;font-weight:400}
.ct-row p{font-size:15.5px;letter-spacing:.8px;color:#fff;line-height:1.75}
.ct-row p.num{font-size:19px;font-weight:600;color:var(--accent-bright)}
.form{display:grid;gap:15px}
.form label{display:block;font-size:12px;letter-spacing:1.4px;color:var(--text-3);margin-bottom:6px}
.form input,.form textarea,.form select{
  width:100%;padding:12px 15px;background:rgba(124,192,255,.045);
  border:1px solid var(--line);border-radius:4px;color:#fff;
  font-size:14px;font-family:'Noto Sans SC',sans-serif;letter-spacing:.6px;
  transition:border-color .3s,background .3s;outline:none;
}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--accent);background:rgba(77,163,255,.09)}
.form input::placeholder,.form textarea::placeholder{color:var(--text-3)}
.form textarea{resize:vertical;min-height:100px}
.form select{
  appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;
  background-size:6px 6px;background-repeat:no-repeat;
}
.form select option{background:var(--panel-solid);color:#fff}
.form .btn{justify-content:center;margin-top:4px}
.form-msg{font-size:13px;letter-spacing:.8px;min-height:22px;color:var(--accent-bright);text-align:center}

/* 地图 */
.map-box{
  margin-top:28px;height:300px;border-radius:8px;overflow:hidden;
  border:1px solid var(--line);position:relative;background:var(--panel-solid);
}
.map-box iframe{width:100%;height:100%;border:0;filter:invert(.92) hue-rotate(180deg) saturate(.6) brightness(.92)}
.map-static{
  height:auto;min-height:290px;
  background:
    radial-gradient(ellipse 60% 80% at 50% 40%,rgba(30,111,217,.20),transparent 70%),
    linear-gradient(140deg,rgba(8,20,44,.9),rgba(4,10,26,.95));
}
.map-inner{
  min-height:290px;display:flex;align-items:center;justify-content:center;padding:34px 24px;position:relative;
}
.map-inner::before{
  content:'';position:absolute;inset:0;opacity:.28;
  background-image:
    linear-gradient(rgba(77,163,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(77,163,255,.10) 1px,transparent 1px);
  background-size:38px 38px;
}
.map-pin{
  position:relative;z-index:2;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:11px;
  padding:30px 34px;border:1px solid var(--line-strong);border-radius:10px;
  background:rgba(8,20,44,.72);backdrop-filter:blur(10px);
}
.map-pin .pin-ico{
  width:48px;height:48px;border-radius:50%;margin-bottom:4px;
  background:linear-gradient(140deg,rgba(77,163,255,.24),rgba(77,163,255,.05));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-bright);
}
.map-pin .pin-ico svg{width:22px;height:22px}
.map-pin b{font-size:17px;font-weight:700;letter-spacing:1.2px}
.map-pin>span:not(.pin-ico){font-size:13px;color:var(--text-2);letter-spacing:.6px;line-height:1.8}
.btn-map{padding:10px 22px;font-size:12.5px;margin-top:6px}

/* ========== 内页 Hero ========== */
.page-hero{
  position:relative;z-index:10;padding:calc(var(--nav-h) + 78px) 45px 68px;
  text-align:center;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:url('../images/texture.webp') center/cover no-repeat;opacity:.5;
}
.page-hero::after{
  content:'';position:absolute;inset:0;z-index:-1;
  background:radial-gradient(ellipse 60% 100% at 50% 0%,rgba(30,111,217,.28),transparent 70%);
}
.page-hero .en{
  display:block;font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;font-size:13px;font-weight:600;
  letter-spacing:5px;color:var(--accent-bright);margin-bottom:12px;
}
.page-hero h1{font-size:44px;font-weight:900;letter-spacing:3px;line-height:1.4;margin-bottom:16px}
.page-hero p{font-size:15px;color:var(--text-2);max-width:760px;margin:0 auto;letter-spacing:1px;line-height:2.05}
.crumb{display:flex;justify-content:center;gap:10px;align-items:center;font-size:12.5px;color:var(--text-3);margin-top:22px;letter-spacing:1px}
.crumb a:hover{color:var(--accent-bright)}
.crumb .sep{opacity:.5}

/* ========== 子页通用区块 ========== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.prose p{font-size:14.5px;color:var(--text-2);line-height:2.15;letter-spacing:.7px;margin-bottom:16px}
.prose p strong{color:var(--accent-bright);font-weight:500}
.prose p:last-child{margin-bottom:0}
.visual{position:relative;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.visual img{width:100%}
.visual .corner{position:absolute;width:32px;height:32px;border:2px solid var(--accent);z-index:3}
.visual .tl{top:-10px;left:-10px;border-right:0;border-bottom:0}
.visual .tr{top:-10px;right:-10px;border-left:0;border-bottom:0}
.visual .bl{bottom:-10px;left:-10px;border-right:0;border-top:0}
.visual .br{bottom:-10px;right:-10px;border-left:0;border-top:0}

/* 适合客户卡片 */
.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* 双列要点清单 */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px;margin-top:8px}
.check-list li{display:flex;gap:14px;align-items:flex-start;font-size:14px;color:var(--text-2);letter-spacing:.6px;line-height:1.9}
.check-list .ck{
  flex:0 0 24px;height:24px;border-radius:50%;margin-top:3px;
  background:rgba(77,163,255,.14);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-bright);
}
.check-list .ck svg{width:12px;height:12px}
.check-list b{color:#fff;font-weight:500;display:block;margin-bottom:2px}
.check-list.one-col{grid-template-columns:1fr}
.fit{
  padding:28px 24px;background:var(--panel);border:1px solid var(--line);border-radius:8px;
  backdrop-filter:blur(10px);transition:transform .45s var(--ease),border-color .4s;
}
.fit:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.fit h4{font-size:16px;font-weight:700;letter-spacing:1.1px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.fit h4 .num{color:var(--accent-bright);font-size:13px}
.fit p{font-size:13px;color:var(--text-2);line-height:1.95;letter-spacing:.5px}

/* 风险提示 */
.risk{
  padding:34px 36px;border-radius:8px;
  background:rgba(217,180,74,.06);border:1px solid rgba(217,180,74,.26);
}
.risk h4{font-size:17px;font-weight:700;letter-spacing:1.4px;color:var(--gold);margin-bottom:14px;display:flex;align-items:center;gap:11px}
.risk h4 svg{width:19px;height:19px}
.risk ul{display:grid;gap:10px}
.risk li{display:flex;gap:11px;font-size:13.5px;color:var(--text-2);line-height:1.95;letter-spacing:.5px}
.risk li::before{content:'·';color:var(--gold);font-weight:700;font-size:18px;line-height:1.35}
.risk .disclaim{
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(217,180,74,.2);
  font-size:12.5px;color:var(--text-3);line-height:1.9;letter-spacing:.4px;
}

/* 信息提示条（备案信息、栏目定位等） */
.info-bar{
  padding:20px 24px;border-radius:6px;
  background:rgba(124,192,255,.04);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.95;letter-spacing:.4px;
}
.info-bar b{
  color:var(--accent-bright);font-weight:600;letter-spacing:1px;
  margin-right:10px;white-space:nowrap;
}
@media(max-width:768px){
  .info-bar b{display:block;margin:0 0 6px}
}

/* 资讯列表 */
.news-item,.rel-card,.case-item{scroll-margin-top:110px}
.news-list{display:grid;gap:16px}
.news-item{
  display:flex;gap:26px;align-items:center;padding:26px 28px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  backdrop-filter:blur(10px);transition:all .4s var(--ease);
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(6px);background:var(--panel-hover)}
.news-date{
  flex:0 0 112px;text-align:center;border-right:1px solid var(--line);padding-right:22px;
}
.news-date b{
  display:block;font-family:'Saira','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:23px;color:var(--accent-bright);font-weight:700;line-height:1.2;
  white-space:nowrap;   /* 2026-09 这类日期必须保持一行 */
}
.news-date span{font-size:11px;letter-spacing:1.6px;color:var(--text-3)}
.news-body{flex:1}
.news-type{
  display:inline-block;font-size:10.5px;letter-spacing:1.2px;color:var(--cyan);
  border:1px solid rgba(56,224,232,.3);background:rgba(56,224,232,.08);
  padding:2px 10px;border-radius:100px;margin-bottom:9px;
}
.news-body h3{font-size:17px;font-weight:700;letter-spacing:.9px;margin-bottom:8px;line-height:1.65}
.news-body p{font-size:13px;color:var(--text-2);line-height:1.9;letter-spacing:.5px}
.news-arrow{flex:0 0 auto;color:var(--text-3);transition:color .3s,transform .3s}
.news-item:hover .news-arrow{color:var(--accent-bright);transform:translateX(4px)}
.news-arrow svg{width:17px;height:17px}

/* ========== 页脚 ========== */
footer{position:relative;z-index:10;background:rgba(4,10,26,.72);border-top:1px solid var(--line);padding:56px 0 0;backdrop-filter:blur(12px)}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.15fr;gap:42px;padding-bottom:44px}
.foot-col h5{font-size:13px;letter-spacing:2.2px;color:#fff;font-weight:700;margin-bottom:20px}
.foot-col ul li{margin-bottom:11px}
.foot-col ul a{font-size:13px;color:var(--text-3);letter-spacing:.6px;transition:color .3s}
.foot-col ul a:hover{color:var(--accent-bright)}
.foot-brand p{font-size:12.5px;color:var(--text-3);line-height:2.05;letter-spacing:.5px;margin:16px 0 18px;max-width:340px}
.foot-badges{display:flex;gap:8px;flex-wrap:wrap}
.foot-badges span{font-size:11px;letter-spacing:.8px;color:var(--text-3);border:1px solid var(--line);border-radius:4px;padding:4px 10px}
.foot-contact li{display:flex;gap:10px;font-size:12.5px;color:var(--text-3);margin-bottom:13px;letter-spacing:.6px;line-height:1.8}
.foot-contact .num{color:var(--accent-bright);font-weight:600}
.foot-contact .f-ico{display:inline-flex;width:15px;height:15px;flex:0 0 15px;margin-top:5px;color:var(--text-3)}
.foot-contact .f-ico svg{width:100%;height:100%}
.foot-contact li>a{color:var(--accent-bright);transition:color .2s}
.foot-contact li>a:hover{color:#fff}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.foot-bottom p{font-size:11.5px;color:var(--text-3);letter-spacing:.6px;line-height:1.8}
.foot-icp{margin-top:4px}
.foot-icp a{color:var(--text-3);transition:color .25s}
.foot-icp a:hover{color:var(--accent-bright)}
.foot-disc{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:11.5px;color:var(--text-3);line-height:1.9;letter-spacing:.3px}

/* ========== 回到顶部 ========== */
.totop{
  position:fixed;right:30px;bottom:30px;width:46px;height:46px;z-index:800;
  border:1px solid var(--line-strong);background:rgba(5,12,31,.88);backdrop-filter:blur(10px);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--accent-bright);font-size:16px;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(16px);transition:all .4s var(--ease);
}
.totop.show{opacity:1;visibility:visible;transform:translateY(0)}
.totop:hover{background:var(--accent);color:#03102B;border-color:var(--accent)}

/* ========== AI 咨询悬浮按钮 ========== */
.ai-fab{
  position:fixed;left:30px;bottom:30px;z-index:800;
  display:flex;align-items:center;gap:11px;
  padding:13px 20px;border-radius:100px;cursor:pointer;
  background:linear-gradient(120deg,rgba(30,111,217,.92),rgba(20,60,140,.92));
  border:1px solid var(--line-strong);color:#fff;font-size:13.5px;letter-spacing:1.2px;
  box-shadow:0 10px 34px rgba(30,111,217,.36);
  transition:all .4s var(--ease);backdrop-filter:blur(10px);
}
.ai-fab:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(30,111,217,.5)}
.ai-fab svg{width:18px;height:18px}
.ai-fab .pulse-dot{
  position:absolute;top:6px;left:12px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);animation:pulse 2s ease-in-out infinite;
}

/* ========== AI 咨询面板 ========== */
.ai-panel{
  position:fixed;left:30px;bottom:96px;z-index:850;width:340px;max-width:calc(100vw - 40px);
  background:rgba(6,14,34,.97);backdrop-filter:blur(22px);
  border:1px solid var(--line-strong);border-radius:10px;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
  overflow:hidden;display:flex;flex-direction:column;max-height:460px;
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.97);
  transition:all .35s var(--ease);
}
.ai-panel.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.ai-head{
  padding:15px 18px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:linear-gradient(120deg,rgba(30,111,217,.22),transparent);
}
.ai-head b{font-size:14px;letter-spacing:1.2px;display:flex;align-items:center;gap:9px}
.ai-head b svg{width:16px;height:16px;color:var(--accent-bright)}
.ai-head .ai-x{
  cursor:pointer;color:var(--text-3);font-size:18px;line-height:1;
  transition:color .3s;background:none;border:0;padding:0 2px;
}
.ai-head .ai-x:hover{color:#fff}
.ai-log{padding:16px 18px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:12px;min-height:150px}
.ai-msg{font-size:13px;line-height:1.85;letter-spacing:.4px;padding:11px 14px;border-radius:9px}
.ai-msg.user{background:rgba(77,163,255,.16);border:1px solid var(--line-strong);align-self:flex-end;max-width:88%}
.ai-msg.bot{background:rgba(255,255,255,.045);border:1px solid var(--line);color:var(--text-2)}
.ai-msg .num{color:var(--accent-bright);font-weight:600}
.ai-typing{display:inline-flex;align-items:center;gap:4px;color:var(--text-3)}
.ai-typing::after{content:'•••';letter-spacing:2px;animation:aiBlink 1.2s ease-in-out infinite}
@keyframes aiBlink{0%,100%{opacity:.35}50%{opacity:1}}
.ai-form{padding:12px 14px;border-top:1px solid var(--line);display:flex;gap:9px}
.ai-form input{
  flex:1;padding:10px 13px;background:rgba(124,192,255,.05);
  border:1px solid var(--line);border-radius:6px;color:#fff;font-size:13px;
  font-family:'Noto Sans SC',sans-serif;outline:none;transition:border-color .3s;
}
.ai-form input:focus{border-color:var(--accent)}
.ai-form button{
  padding:10px 16px;border:0;border-radius:6px;cursor:pointer;
  background:linear-gradient(120deg,var(--accent),var(--accent-deep));
  color:#02102B;font-weight:700;font-size:13px;font-family:'Noto Sans SC',sans-serif;
  transition:transform .3s var(--ease),box-shadow .3s;
}
.ai-form button:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(30,111,217,.4)}
@media(max-width:768px){
  .ai-panel{left:16px;right:16px;width:auto;bottom:78px}
}

/* ========== 响应式 ========== */
@media(max-width:1200px){
  .svc-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .ind-grid{grid-template-columns:repeat(3,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .proc{grid-template-columns:repeat(3,1fr);gap:24px}
  .proc::before{display:none}
  .foot-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  .foot-col:last-child{grid-column:1/-1}
}
@media(max-width:1040px){
  .topnav,.topbar-right .tel{display:none}
  .trigger{display:block}
  .topbar{padding:16px 28px}
  .container{padding:0 28px}
  .hero h1{font-size:42px;letter-spacing:2.4px}
  .hero-slogan{font-size:16px;letter-spacing:2px}
  .two-col{grid-template-columns:1fr;gap:40px}
  .contact{grid-template-columns:1fr}
  .hero-stats{gap:34px}
  .fit-grid{grid-template-columns:repeat(2,1fr)}
  .qr-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .page-hero h1{font-size:34px;letter-spacing:2px}
}
@media(max-width:768px){
  .sec{padding:74px 0}
  .container{padding:0 20px}
  .hero{padding:calc(var(--nav-h) + 40px) 20px 86px}
  .hero h1{font-size:29px;letter-spacing:1.4px;line-height:1.5}
  .hero h1 .en{font-size:10px;letter-spacing:4px;margin-top:16px}
  .hero-slogan{font-size:14px;letter-spacing:1.4px;gap:10px}
  .hero-sub{font-size:13.5px}
  .hero-stats{gap:22px;margin-top:44px;padding-top:28px}
  .hstat b{font-size:26px}
  .hstat span{font-size:10px;letter-spacing:1.2px}
  .sec-head h2{font-size:25px;letter-spacing:1.4px}
  .sec-head .en{font-size:11px;letter-spacing:2.6px}
  .sec-head p{font-size:13.5px}
  .svc-grid,.case-grid,.team-grid,.cert-grid,.ind-grid,.adv-grid,.fit-grid,.proc,.news-item{grid-template-columns:1fr}
  .check-list,.check-list.one-col{grid-template-columns:1fr;gap:14px}
  .svc{padding:30px 24px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .side-menu{width:100%;padding:0 36px}
  .side-menu .m-brand{display:none}
  .side-menu{justify-content:flex-start;padding-top:120px}
  .side-menu a{font-size:19px;letter-spacing:2px}
  .cta-band h2{font-size:23px;letter-spacing:1.4px}
  .cta-band{padding:56px 20px}
  .ct-card{padding:30px 22px}
  .totop{right:16px;bottom:16px;width:42px;height:42px}
  .ai-fab{left:16px;bottom:16px;padding:11px 16px;font-size:12.5px}
  .page-hero{padding:calc(var(--nav-h) + 46px) 20px 46px}
  .page-hero h1{font-size:26px;letter-spacing:1.4px}
  .news-item{flex-direction:column;align-items:flex-start;gap:14px;padding:22px}
  .news-date{flex:none;border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px;width:100%;text-align:left;display:flex;align-items:baseline;gap:10px}
  .news-date b{font-size:18px;white-space:nowrap}
  .risk{padding:26px 22px}
}

/* ============================================================
   可访问性与打印优化
   ============================================================ */

/* 键盘焦点可见：仅在键盘导航时显示清晰焦点环 */
:focus-visible{
  outline:2px solid var(--accent-bright);
  outline-offset:3px;
  border-radius:4px;
}
a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-bright);
  outline-offset:3px;
}

/* 尊重系统「减少动态效果」偏好：关闭视差与进场动画 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .rv,.reveal{opacity:1 !important;transform:none !important}
  .hero-bg{transform:none !important}
}

/* 打印样式：便于客户留存方案与报价材料 */
@media print{
  :root{--text:#111;--text-2:#333;--text-3:#555;--line:#ddd;--accent:#1E6FD9;--accent-bright:#1E6FD9}
  html,body{background:#fff !important;color:#111 !important}
  .topbar,.side-menu,.totop,.ai-fab,.ai-panel,.loader-wrapper,.progress,
  .scroll-hint,.hero-bg,.hero-grid,.cta-band,.float,.backtop{display:none !important}
  .hero{min-height:auto !important;padding:40px 0 24px !important}
  .hero h1{color:#111 !important;font-size:34px !important;text-shadow:none !important}
  .hero h1 em{color:#1E6FD9 !important;text-shadow:none !important}
  .hero h1 .en,.sec-head .en{color:#777 !important}
  .hero-sub,.sec-head p{color:#333 !important}
  .btn{border:1px solid #999 !important;background:none !important;color:#111 !important;
       box-shadow:none !important;padding:6px 14px !important}
  .sec{padding:24px 0 !important;background:none !important}
  .sec-tint{background:#f7f7f7 !important}
  .card,.svc,.adv,.case,.news-item,.ct-card,.risk,.check-list li{
    background:#fff !important;border:1px solid #ddd !important;box-shadow:none !important;
    break-inside:avoid;page-break-inside:avoid;
  }
  .rv,.reveal{opacity:1 !important;transform:none !important}
  .foot-disc,.foot-bottom{border-top:1px solid #ccc !important;color:#444 !important;background:none !important}
  .foot-grid{grid-template-columns:1fr 1fr !important}
  a{color:#111 !important;text-decoration:underline}
  .foot-grid a{text-decoration:none !important}
  @page{margin:14mm}
}

/* ============================================================
   资讯文章详情页
   ============================================================ */
.article-hero{
  position:relative;padding:76px 0 60px;overflow:hidden;
  background:linear-gradient(180deg,rgba(9,18,38,.92),rgba(4,10,24,.96));
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(900px 420px at 18% -10%,rgba(77,163,255,.16),transparent 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:20px;
  font-size:12px;letter-spacing:1.4px;color:var(--text-3);
}
.article-meta .a-type{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:rgba(77,163,255,.12);border:1px solid rgba(77,163,255,.34);
  color:var(--accent-bright);font-size:11px;letter-spacing:1.2px;
}
.article-meta .a-sep{color:var(--line-strong)}
.article-hero h1{
  font-size:38px;font-weight:700;letter-spacing:1.6px;line-height:1.42;
  color:#fff;margin-bottom:20px;max-width:900px;
}
.article-lead{
  font-size:16px;line-height:2.05;color:var(--text-2);max-width:820px;
  padding-left:18px;border-left:3px solid var(--accent);
}
.article-cover{
  margin-top:34px;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--panel);
}
.article-cover img{display:block;width:100%;height:auto;max-height:400px;object-fit:cover}

/* 正文 */
.article-body{padding:56px 0 20px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-main{min-width:0}
.article-sec{margin-bottom:40px}
.article-sec h2{
  font-size:21px;font-weight:700;letter-spacing:1.2px;color:#EAF2FF;
  margin-bottom:16px;padding-left:14px;border-left:3px solid var(--accent);
  line-height:1.6;
}
.article-sec p{
  font-size:15px;line-height:2.15;color:var(--text-2);letter-spacing:.5px;margin-bottom:14px;
}
.article-sec p:last-child{margin-bottom:0}
.article-sec strong{color:var(--accent-bright);font-weight:600}

/* 要点提炼 */
.article-key{
  border:1px solid var(--line);border-radius:14px;background:var(--panel);
  padding:26px 28px;margin-bottom:40px;
}
.article-key > h3{
  font-size:16px;font-weight:700;letter-spacing:1.4px;color:var(--gold);
  margin-bottom:20px;display:flex;align-items:center;gap:9px;
}
.article-key ul{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.article-key li{display:grid;grid-template-columns:26px 1fr;gap:13px;align-items:start}
.article-key .k-idx{
  width:26px;height:26px;border-radius:8px;flex:0 0 26px;
  background:rgba(77,163,255,.14);border:1px solid rgba(77,163,255,.3);
  color:var(--accent-bright);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.article-key .k-body b{display:block;font-size:14.5px;color:#EAF2FF;font-weight:700;margin-bottom:5px;letter-spacing:.6px}
.article-key .k-body span{font-size:13px;line-height:1.95;color:var(--text-2)}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:grid;gap:18px}
.aside-card{
  border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px 24px;
}
.aside-card h4{
  font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--text-3);
  margin-bottom:16px;text-transform:uppercase;
}
.aside-kv{display:grid;gap:11px}
.aside-kv .kv-row{
  display:grid;grid-template-columns:74px minmax(0,1fr);gap:12px;align-items:start;
  padding-bottom:11px;border-bottom:1px dashed var(--line);
}
.aside-kv .kv-row:last-child{border-bottom:none;padding-bottom:0}
.aside-kv .kv-k{font-size:12.5px;color:var(--text-3);letter-spacing:.6px;line-height:1.7}
.aside-kv .kv-v{
  font-size:13px;color:#EAF2FF;font-weight:600;line-height:1.7;
  word-break:break-word;overflow-wrap:anywhere;text-align:left;
}
.aside-links{display:grid;gap:12px}
.aside-links a{
  display:block;font-size:13px;color:var(--text-2);line-height:1.75;letter-spacing:.4px;
  padding-left:13px;border-left:2px solid var(--line-strong);transition:color .25s,border-color .25s;
}
.aside-links a:hover{color:var(--accent-bright);border-left-color:var(--accent)}
.aside-cta{
  border:1px solid rgba(217,180,74,.3);border-radius:14px;padding:22px 24px;
  background:linear-gradient(150deg,rgba(217,180,74,.1),rgba(217,180,74,.03));
}
.aside-cta h4{font-size:15px;font-weight:700;color:var(--gold);margin-bottom:9px;letter-spacing:.8px}
.aside-cta p{font-size:13px;line-height:1.95;color:var(--text-2);margin-bottom:16px}
.aside-cta .btn{width:100%;justify-content:center}

/* 相关文章 */
.article-rel{padding:20px 0 70px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.rel-card{
  border:1px solid var(--line);border-radius:13px;background:var(--panel);
  padding:22px 24px;display:block;transition:transform .3s,border-color .3s,background .3s;
}
.rel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);background:var(--panel-hover)}
.rel-card .r-type{
  display:inline-block;font-size:11px;letter-spacing:1.2px;color:var(--accent-bright);
  padding:4px 11px;border-radius:999px;background:rgba(77,163,255,.1);
  border:1px solid rgba(77,163,255,.26);margin-bottom:12px;
}
.rel-card h4{font-size:15px;font-weight:700;color:#EAF2FF;line-height:1.65;margin-bottom:8px;letter-spacing:.6px}
.rel-card p{font-size:12.5px;color:var(--text-3);line-height:1.8}
.rel-card .r-date{display:block;margin-top:13px;font-size:11.5px;color:var(--text-3);letter-spacing:1.2px}

/* 文章目录（移动端） */
.article-toc{
  display:none;border:1px solid var(--line);border-radius:12px;background:var(--panel);
  padding:20px 22px;margin-bottom:30px;
}
.article-toc h4{font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--text-3);margin-bottom:12px}
.article-toc ol{padding-left:18px;margin:0;display:grid;gap:8px}
.article-toc li{font-size:13px;color:var(--text-2);line-height:1.7}
.article-toc a{color:inherit}
.article-toc a:hover{color:var(--accent-bright)}

/* 首页资讯模块 */
.news-home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-home-card{
  border:1px solid var(--line);border-radius:15px;background:var(--panel);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s,border-color .35s,box-shadow .35s;
}
.news-home-card:hover{
  transform:translateY(-7px);border-color:var(--line-strong);
  box-shadow:0 20px 44px rgba(0,0,0,.42);
}
.news-home-card .nh-cover{position:relative;height:172px;overflow:hidden;background:#081226}
.news-home-card .nh-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-home-card:hover .nh-cover img{transform:scale(1.07)}
.news-home-card .nh-cover .nh-type{
  position:absolute;left:16px;top:16px;padding:5px 12px;border-radius:999px;
  background:rgba(4,10,24,.8);border:1px solid rgba(77,163,255,.42);
  color:var(--accent-bright);font-size:11px;letter-spacing:1.1px;backdrop-filter:blur(6px);
}
.news-home-card .nh-cover .nh-date{
  position:absolute;right:16px;bottom:14px;font-family:'Saira',sans-serif;
  font-size:13px;color:rgba(255,255,255,.82);letter-spacing:1.4px;
}
.news-home-card .nh-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.news-home-card h3{
  font-size:16.5px;font-weight:700;color:#EAF2FF;line-height:1.65;margin-bottom:10px;
  letter-spacing:.7px;transition:color .25s;
}
.news-home-card:hover h3{color:var(--accent-bright)}
.news-home-card p{font-size:13px;color:var(--text-2);line-height:1.95;flex:1}
.news-home-card .nh-more{
  margin-top:16px;font-size:12.5px;color:var(--accent-bright);letter-spacing:1.2px;
  display:flex;align-items:center;gap:7px;
}
.news-home-card .nh-more svg{width:14px;height:14px;transition:transform .3s}
.news-home-card:hover .nh-more svg{transform:translateX(4px)}

@media(max-width:1040px){
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static;grid-template-columns:repeat(2,1fr)}
  .news-home-grid,.rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .article-hero{padding:52px 0 42px}
  .article-hero h1{font-size:26px}
  .article-body{padding:38px 0 12px}
  .article-key{padding:20px 18px}
  .article-side{grid-template-columns:1fr}
  .news-home-grid,.rel-grid{grid-template-columns:1fr}
  .article-toc{display:block}
}

/* ============================================================
   到访指引（替代原静态地图框）
   ============================================================ */
.visit-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px;
}
.visit-card{
  border:1px solid var(--line);border-radius:14px;background:var(--panel);
  padding:26px 26px 24px;display:flex;flex-direction:column;
  transition:transform .3s,border-color .3s,background .3s;
}
.visit-card:hover{transform:translateY(-5px);border-color:var(--line-strong);background:var(--panel-hover)}
.visit-card .vc-ico{
  width:46px;height:46px;border-radius:11px;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(77,163,255,.24),rgba(77,163,255,.05));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-bright);
}
.visit-card .vc-ico svg{width:22px;height:22px}
.visit-card h4{font-size:17px;font-weight:700;letter-spacing:1.2px;color:#EAF2FF;margin-bottom:14px}
.visit-card .vc-main{font-size:14.5px;line-height:1.9;color:var(--accent-bright);font-weight:600;margin-bottom:12px;letter-spacing:.4px}
.visit-card .vc-sub{font-size:13px;line-height:2;color:var(--text-2);letter-spacing:.4px}
.vc-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.vc-list li{
  font-size:13px;line-height:1.95;color:var(--text-2);letter-spacing:.4px;
  padding-left:15px;position:relative;
}
.vc-list li::before{
  content:'';position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;
  background:var(--accent);opacity:.75;
}
.vc-list li b{
  display:inline-block;min-width:56px;color:#EAF2FF;font-weight:700;
  margin-right:8px;letter-spacing:.6px;
}
@media(max-width:1040px){
  .visit-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .visit-grid{grid-template-columns:1fr}
}

/* ============================================================
   赛道卡片：代表技术方向 / 保护客体
   ============================================================ */
.ind-meta{
  margin-top:14px;padding-top:13px;border-top:1px dashed var(--line);
  display:grid;gap:8px;position:relative;z-index:2;
}
.ind-meta .im-row{display:grid;grid-template-columns:52px 1fr;gap:8px;align-items:start}
.ind-meta .im-k{
  font-size:10.5px;letter-spacing:.8px;color:var(--accent-bright);
  opacity:.85;line-height:1.7;padding-top:1px;
}
.ind-meta .im-v{font-size:11.5px;line-height:1.85;color:var(--text-3);letter-spacing:.3px}
.ind:hover .ind-meta .im-v{color:var(--text-2)}

/* ============================================================
   优势卡支撑要点 / 流程步骤交付物
   ============================================================ */
.adv-points{
  list-style:none;padding:0;margin:16px 0 0;display:grid;gap:9px;
  border-top:1px dashed var(--line);padding-top:14px;
}
.adv-points li{
  font-size:12.5px;line-height:1.75;color:var(--text-2);letter-spacing:.4px;
  padding-left:16px;position:relative;
}
.adv-points li::before{
  content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--accent);opacity:.8;
}
.adv-points li::after{
  content:'';position:absolute;left:2.5px;top:14px;width:1px;height:6px;
  background:var(--line-strong);
}
.adv-points li:last-child::after{display:none}

.proc-meta{
  margin-top:14px;padding-top:13px;border-top:1px dashed var(--line);
  display:grid;gap:8px;position:relative;z-index:2;
}
.proc-meta .pm-row{
  display:block;text-align:center;   /* 5 列窄栏下，标签与内容改为上下排布更利于阅读 */
}
.proc-meta .pm-k{
  display:block;font-size:10px;letter-spacing:1.2px;color:var(--accent-bright);
  opacity:.8;line-height:1.6;margin-bottom:3px;text-align:center;
}
.proc-meta .pm-v{
  display:block;font-size:11.5px;line-height:1.8;color:var(--text-3);
  letter-spacing:.3px;text-align:center;
}

/* ============================================================
   团队成员专长标签
   ============================================================ */
.member-tags{
  display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;
  padding-top:13px;border-top:1px dashed var(--line);
}
.member-tags span{
  font-size:10.5px;letter-spacing:.6px;color:var(--text-3);
  padding:3px 10px;border-radius:999px;
  background:rgba(77,163,255,.07);border:1px solid var(--line);
  transition:color .3s,border-color .3s;
}
.member:hover .member-tags span{color:var(--text-2);border-color:var(--line-strong)}

/* 合作机构卡：补充说明行 */
.logo-item .li-desc{
  font-style:normal;font-size:11px;line-height:1.75;color:var(--text-3);
  letter-spacing:.3px;padding-top:8px;margin-top:2px;
  border-top:1px dashed var(--line);width:100%;
}
.logo-item.featured .li-desc{color:var(--text-2)}