:root{
  --primary:#2b6bff;
  --primary-deep:#1a4fdb;
  --accent:#ffb547;
  --bg:#0b1020;
  --bg-soft:#111a33;
  --surface:#141d38;
  --surface-2:#1a2545;
  --line:rgba(255,255,255,.10);
  --text:#e9edf9;
  --muted:#9aa7c6;
  --ink:#141b30;
  --ink-soft:#5a6782;
  --radius:20px;
  --radius-img:14px;
  --shadow:0 26px 60px rgba(3,9,24,.45);
  --shadow-soft:0 14px 34px rgba(3,9,24,.30);
  --wrap:1200px;
  --ease:cubic-bezier(.22,.75,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.35;font-weight:800;letter-spacing:.4px}
p{margin:0 0 1em}
button,input,textarea,select{font:inherit;color:inherit}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:999px;border:1px solid transparent;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-weight:700;cursor:pointer;
  box-shadow:0 14px 30px rgba(43,107,255,.32);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(43,107,255,.42)}
.btn i{font-size:.9em}
#btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22);box-shadow:none;color:var(--text)}
#btn-ghost:hover{background:rgba(255,255,255,.12)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

main > section{padding:92px 0;position:relative}
#hero{padding:0}

/* ============ 顶部导航 ============ */
#site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,16,32,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
#site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
#brand{display:flex;align-items:center;gap:14px;min-width:0}
#brand-logo{width:48px;height:48px;border-radius:12px;object-fit:contain;background:rgba(255,255,255,.06);padding:5px}
#brand-text{display:flex;flex-direction:column;min-width:0}
#brand-text strong{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#brand-text span{font-size:12px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}
#site-nav ul{display:flex;align-items:center;gap:6px}
#site-nav a{
  display:block;padding:10px 16px;border-radius:12px;font-size:15px;font-weight:600;color:#c8d2e8;
  transition:color .25s var(--ease),background .25s var(--ease);
}
#site-nav a:hover,#site-nav a[aria-current="page"]{color:#fff;background:rgba(43,107,255,.18)}
#nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);cursor:pointer;font-size:18px;
}
#nav-toggle i{display:none}
#nav-toggle[data-state="open"] i:nth-child(2){display:inline-block}
#nav-toggle[data-state="closed"] i:nth-child(1){display:inline-block}

/* ============ Hero 方案 B：双背景滚动 ============ */
#hero{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;
  min-height:calc(100vh - 78px);padding:120px 0;text-align:center;
}
#hero-slide-1,#hero-slide-2{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
#hero-slide-1{background-image:url('/images/hero-1.png');animation:heroFade 16s var(--ease) infinite}
#hero-slide-2{background-image:url('/images/hero-2.png');animation:heroFade 16s var(--ease) 8s infinite}
@keyframes heroFade{
  0%{opacity:0;transform:scale(1.08)}
  6%{opacity:1;transform:scale(1.02)}
  44%{opacity:1;transform:scale(1)}
  50%{opacity:0;transform:scale(1.04)}
  100%{opacity:0;transform:scale(1.08)}
}
#hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,32,.86),rgba(11,16,32,.72) 45%,rgba(11,16,32,.94))}
#hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;padding:0 24px}
#hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 20px;border-radius:999px;
  background:rgba(255,181,71,.14);border:1px solid rgba(255,181,71,.34);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
}
#hero h1{font-size:clamp(30px,5.2vw,58px);margin:26px 0 22px;letter-spacing:1px}
#hero h1 em{font-style:normal;color:var(--accent);text-shadow:0 6px 30px rgba(255,181,71,.35)}
#hero-lead{font-size:clamp(15px,2vw,19px);color:#ccd6ee;max-width:720px;margin:0 auto 34px}
#hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:16px 44px;margin:38px 0 0}
#hero-stats li{display:flex;flex-direction:column;align-items:center}
#hero-stats strong{font-size:30px;color:#fff}
#hero-stats span{font-size:13px;color:var(--muted);letter-spacing:1px}
#hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:38px}
#hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  font-size:12px;letter-spacing:3px;color:var(--muted);text-transform:uppercase;
}
#hero-scroll i{display:block;margin:6px auto 0;animation:heroDrop 1.8s var(--ease) infinite}
@keyframes heroDrop{0%,100%{transform:translateY(0);opacity:.7}50%{transform:translateY(7px);opacity:1}}

/* ============ 通用区块标题 ============ */
#about header,#services header,#showcase header,#updates header,#journey header,
#crew header,#voices header,#queries header,#allies header,#laurels header,
#contact header,#cta header{
  text-align:center;max-width:760px;margin:0 auto 56px;
}
#about header p:first-child,#services header p:first-child,#showcase header p:first-child,
#updates header p:first-child,#journey header p:first-child,#crew header p:first-child,
#voices header p:first-child,#queries header p:first-child,#allies header p:first-child,
#laurels header p:first-child,#contact header p:first-child,#cta header p:first-child{
  display:inline-block;margin-bottom:16px;padding:6px 18px;border-radius:999px;
  background:rgba(43,107,255,.14);border:1px solid rgba(43,107,255,.34);
  color:#8fb3ff;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
}
#about header h2,#services header h2,#showcase header h2,#updates header h2,#journey header h2,
#crew header h2,#voices header h2,#queries header h2,#allies header h2,#laurels header h2,
#contact header h2,#cta header h2{
  font-size:clamp(26px,3.6vw,42px);margin-bottom:18px;
}
#about header p:last-child,#services header p:last-child,#showcase header p:last-child,
#updates header p:last-child,#journey header p:last-child,#crew header p:last-child,
#voices header p:last-child,#queries header p:last-child,#allies header p:last-child,
#laurels header p:last-child,#contact header p:last-child,#cta header p:last-child{color:var(--muted);font-size:16px}

/* ============ 关于我们 story ============ */
.story-k7m{background:var(--bg-soft)}
.story-k7m .container{position:relative;z-index:0;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
#about header{text-align:left;max-width:none;margin:0 0 30px}
#about header p:first-child{background:rgba(43,107,255,.14);border-color:rgba(43,107,255,.34);color:#8fb3ff}
#about header p:last-child{color:var(--muted)}
.story-k7m figure{margin:0;position:relative}
.story-k7m figure img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.story-k7m figure::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:150px;height:150px;border-radius:26px;
  background:linear-gradient(135deg,var(--primary),var(--accent));opacity:.24;z-index:-1;
}
.story-k7m ul{margin-top:30px;display:grid;gap:16px}
.story-k7m ul li{display:flex;gap:14px;align-items:flex-start}
.story-k7m ul li i{
  flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(43,107,255,.16);color:#8fb3ff;font-size:16px;
}
.story-k7m ul li strong{display:block;font-size:17px;margin-bottom:4px;color:var(--text)}
.story-k7m ul li div span{display:block;font-size:14.5px;line-height:1.75;color:var(--muted)}
#story-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
#story-metrics li{display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 18px;text-align:center}
#story-metrics strong{display:block;font-size:28px;color:var(--accent);margin:0}
#story-metrics span{font-size:13px;color:var(--muted)}

/* ============ 服务 expertise（白色底） ============ */
.expertise-k7m{background:#ffffff;color:var(--ink)}
.expertise-k7m header p:first-child{background:rgba(43,107,255,.1);border-color:rgba(43,107,255,.3);color:var(--primary)}
.expertise-k7m header h2{color:var(--ink)}
.expertise-k7m header p:last-child{color:var(--ink-soft)}
#expertise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
#expertise-grid article{
  background:#f6f8fd;border:1px solid rgba(20,27,48,.07);border-radius:var(--radius);
  padding:32px 28px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease);
}
#expertise-grid article:hover{transform:translateY(-8px);background:#fff;box-shadow:0 24px 44px rgba(20,27,48,.12)}
#expertise-grid article i{
  display:grid;place-items:center;width:58px;height:58px;border-radius:16px;font-size:22px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;margin-bottom:20px;
}
#expertise-grid article h3{font-size:19px;margin-bottom:12px;color:var(--ink)}
#expertise-grid article p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;margin:0}
#expertise-grid article span{display:inline-block;margin-top:18px;font-size:13px;font-weight:700;color:var(--primary)}

/* ============ 优势 edge ============ */
.edge-k7m{background:var(--bg)}
#edge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
#edge-grid li{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;transition:transform .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease);
}
#edge-grid li:hover{transform:translateY(-7px);border-color:rgba(43,107,255,.5);background:var(--surface-2)}
#edge-grid li i{font-size:22px;color:var(--accent);margin-bottom:16px;display:block}
#edge-grid li h3{font-size:17px;margin-bottom:10px}
#edge-grid li p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}

/* ============ 案例 showcase（浅底） ============ */
.showcase-k7m{background:#f2f5fc;color:var(--ink)}
.showcase-k7m header p:first-child{background:rgba(43,107,255,.1);border-color:rgba(43,107,255,.3);color:var(--primary)}
.showcase-k7m header h2{color:var(--ink)}
.showcase-k7m header p:last-child{color:var(--ink-soft)}
#showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
#showcase-grid article{
  background:#fff;border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(20,27,48,.07);
  display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
#showcase-grid article:hover{transform:translateY(-8px);box-shadow:0 26px 50px rgba(20,27,48,.14)}
#showcase-grid figure{margin:0;overflow:hidden;aspect-ratio:16/10}
#showcase-grid figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s var(--ease)}
#showcase-grid article:hover figure img{transform:scale(1.06)}
#showcase-grid div{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
#showcase-grid h3{font-size:18px;margin-bottom:10px;color:var(--ink)}
#showcase-grid p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;flex:1}
#showcase-grid footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid rgba(20,27,48,.08);font-size:13px;color:var(--ink-soft)}
#showcase-grid footer a{color:var(--primary);font-weight:700}

/* ============ 首页文章 updates ============ */
.updates-k7m{background:var(--bg)}
#updates-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
#updates-grid article{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),border-color .35s var(--ease);
}
#updates-grid article:hover{transform:translateY(-8px);border-color:rgba(255,181,71,.45)}
#updates-grid figure{margin:0;overflow:hidden;aspect-ratio:16/9}
#updates-grid figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s var(--ease)}
#updates-grid article:hover figure img{transform:scale(1.06)}
#updates-grid div{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
#updates-grid h3{font-size:17.5px;margin-bottom:10px}
#updates-grid p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
#updates-grid footer{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
#updates-grid footer a{color:var(--accent);font-weight:700}

/* ============ 工作流程 journey ============ */
.journey-k7m{background:var(--bg-soft)}
#journey-track{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative}
#journey-track::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.4}
#journey-track li{text-align:center;position:relative;z-index:1}
#journey-track li em{
  display:grid;place-items:center;width:68px;height:68px;margin:0 auto 20px;border-radius:50%;
  background:var(--bg);border:2px solid rgba(43,107,255,.5);color:#8fb3ff;font-style:normal;font-weight:800;font-size:19px;
  box-shadow:0 0 0 8px rgba(43,107,255,.08);
}
#journey-track li h3{font-size:16.5px;margin-bottom:10px}
#journey-track li p{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0}

/* ============ 团队 crew ============ */
.crew-k7m{background:var(--bg)}
#crew-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
#crew-grid article{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center;
  transition:transform .35s var(--ease),border-color .35s var(--ease);
}
#crew-grid article:hover{transform:translateY(-8px);border-color:rgba(43,107,255,.5)}
#crew-grid figure{margin:0 0 20px}
#crew-grid figure img{width:112px;height:112px;border-radius:50%;object-fit:cover;margin:0 auto;border:3px solid rgba(43,107,255,.45)}
#crew-grid h3{font-size:18px;margin-bottom:6px}
#crew-grid span{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.6px}
#crew-grid p{font-size:14px;color:var(--muted);margin:14px 0 0;line-height:1.75}
#crew-grid a{display:inline-flex;gap:12px;margin-top:18px;color:var(--muted);font-size:14px}
#crew-grid a i{transition:color .25s var(--ease)}
#crew-grid a i:hover{color:var(--primary)}

/* ============ 评论 voices ============ */
.voices-k7m{background:var(--bg-soft)}
#voices-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
#voices-grid figure{
  margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;position:relative;
}
#voices-grid figure::before{
  content:"\201C";position:absolute;top:6px;right:26px;font-size:82px;line-height:1;
  color:rgba(255,181,71,.18);font-family:Georgia,serif;
}
#voices-grid blockquote{margin:0;font-size:15.5px;line-height:1.9;color:#dbe3f5}
#voices-grid figcaption{display:flex;align-items:center;gap:14px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
#voices-grid figcaption img{width:56px;height:56px;border-radius:50%;object-fit:cover}
#voices-grid figcaption strong{display:block;font-size:15.5px;color:var(--text)}
#voices-grid figcaption span{font-size:13px;color:var(--muted)}
#voices-grid figcaption em{margin-left:auto;font-style:normal;color:var(--accent);font-size:13px}

/* ============ 问答 queries ============ */
.queries-k7m{background:var(--bg)}
#queries-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
#queries-list details{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 24px;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
#queries-list details[open]{border-color:rgba(43,107,255,.5);background:var(--surface-2)}
#queries-list summary{
  list-style:none;cursor:pointer;padding:20px 0;font-weight:700;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
#queries-list summary::-webkit-details-marker{display:none}
#queries-list summary i{color:var(--accent);transition:transform .3s var(--ease);flex:none}
#queries-list details[open] summary i{transform:rotate(45deg)}
#queries-list details p{padding:0 0 22px;margin:0;color:var(--muted);font-size:15px;line-height:1.9}

/* ============ 合作伙伴 allies ============ */
.allies-k7m{background:var(--bg-soft)}
#allies-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
#allies-grid li{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 14px;
  display:grid;place-items:center;transition:transform .3s var(--ease),border-color .3s var(--ease),opacity .3s var(--ease);
  opacity:.78;
}
#allies-grid li:hover{transform:translateY(-6px);border-color:rgba(255,181,71,.45);opacity:1}
#allies-grid img{max-height:52px;width:auto;object-fit:contain;filter:grayscale(.35);transition:filter .3s var(--ease)}
#allies-grid li:hover img{filter:none}

/* ============ 荣誉 laurels ============ */
.laurels-k7m{background:var(--bg)}
#laurels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
#laurels-grid li{
  background:linear-gradient(160deg,var(--surface),var(--bg-soft));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  display:flex;align-items:center;gap:20px;transition:transform .35s var(--ease),border-color .35s var(--ease);
}
#laurels-grid li:hover{transform:translateY(-6px);border-color:rgba(255,181,71,.5)}
#laurels-grid li i{font-size:26px;color:var(--accent);flex:none}
#laurels-grid strong{display:block;font-size:16.5px;margin-bottom:6px}
#laurels-grid li span{flex:1;min-width:0}
#laurels-grid li em{
  font-style:normal;display:inline-block;margin-top:8px;padding:4px 12px;border-radius:999px;
  background:rgba(43,107,255,.16);color:#8fb3ff;font-size:13px;font-weight:700;letter-spacing:.5px;
}

/* ============ 联系我们 reach ============ */
.reach-k7m{background:var(--bg-soft)}
#reach-body{display:grid;grid-template-columns:1fr 1.05fr;gap:46px;align-items:start}
#reach-info ul{display:grid;gap:18px;margin-top:34px}
#reach-info li{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px}
#reach-info li i{font-size:18px;color:var(--primary);margin-top:4px}
#reach-info li strong{display:block;font-size:15px;margin-bottom:4px;color:var(--text)}
#reach-info li span{font-size:14px;color:var(--muted)}
#reach-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px}
#reach-form h3{font-size:20px;margin-bottom:8px}
#reach-form p{font-size:14px;color:var(--muted)}
#reach-form form{display:grid;gap:18px;margin-top:22px}
#reach-form label{display:block;font-size:13.5px;font-weight:700;margin-bottom:8px;color:#c8d2e8}
#reach-form input,#reach-form textarea,#reach-form select{
  width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);outline:none;transition:border-color .25s var(--ease),background .25s var(--ease);
}
#reach-form input:focus,#reach-form textarea:focus,#reach-form select:focus{border-color:var(--primary);background:rgba(43,107,255,.08)}
#reach-form textarea{min-height:132px;resize:vertical}
#reach-form .btn{justify-self:start;margin-top:4px}
#form-note{margin:14px 0 0;font-size:13.5px;color:var(--accent);display:none}
#form-note[data-state="show"]{display:block}

/* ============ CTA ============ */
.cta-k7m{background:linear-gradient(140deg,#122050,#0b1020 60%,#1a1428)}
#cta-inner{max-width:900px;margin:0 auto;text-align:center}
#cta h2{font-size:clamp(26px,4vw,44px);margin-bottom:18px}
#cta p{color:#c3cee6;font-size:17px;max-width:660px;margin:0 auto 34px}
#cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
#cta-lists{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
#cta-lists li{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:16px;padding:22px 20px;text-align:left}
#cta-lists li i{color:var(--accent);margin-bottom:12px;display:block}
#cta-lists li strong{display:block;font-size:15.5px;margin-bottom:6px}
#cta-lists li span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 页脚 ============ */
#site-footer{background:#070b16;border-top:1px solid var(--line);padding:70px 0 0}
#footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
#footer-top h4{font-size:16px;margin-bottom:20px}
#footer-brand img{width:52px;height:52px;border-radius:12px;object-fit:contain;margin-bottom:16px;background:rgba(255,255,255,.06);padding:5px}
#footer-brand p{font-size:14px;color:var(--muted);line-height:1.85}
#footer-nav ul{display:grid;gap:11px}
#footer-nav a{font-size:14.5px;color:var(--muted);transition:color .25s var(--ease),padding-left .25s var(--ease)}
#footer-nav a:hover{color:var(--accent);padding-left:5px}
#footer-service ul{display:grid;gap:11px}
#footer-service a{font-size:14.5px;color:var(--muted);transition:color .25s var(--ease),padding-left .25s var(--ease)}
#footer-service a:hover{color:var(--accent);padding-left:5px}
#footer-contact ul{display:grid;gap:14px}
#footer-contact li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted)}
#footer-contact i{color:var(--primary);margin-top:5px}
#footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
#footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
#footer-bottom a:hover{color:var(--accent)}
#back-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;border:none;z-index:70;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;font-size:16px;cursor:pointer;
  box-shadow:0 14px 30px rgba(43,107,255,.4);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
}
#back-top[data-state="show"]{opacity:1;visibility:visible;transform:translateY(0)}

/* ============ 列表页 listing ============ */
.listing-k7m{background:var(--bg-soft)}
#listing-head{padding:86px 0 46px;background:linear-gradient(160deg,#132049,#0b1020);text-align:center;border-bottom:1px solid var(--line)}
#listing-head h1{font-size:clamp(26px,4.4vw,44px);margin-bottom:16px}
#listing-head p{color:var(--muted);max-width:720px;margin:0 auto}
#listing-breadcrumb{display:flex;justify-content:center;gap:10px;margin-top:22px;font-size:13.5px;color:var(--muted)}
#listing-breadcrumb a:hover{color:var(--accent)}
#listing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
#listing-grid article{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
#listing-grid article:hover{transform:translateY(-8px);border-color:rgba(43,107,255,.5);box-shadow:var(--shadow-soft)}
#listing-grid figure{margin:0;overflow:hidden;aspect-ratio:16/9}
#listing-grid figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .6s var(--ease)}
#listing-grid article:hover figure img{transform:scale(1.06)}
#listing-grid div{padding:24px;display:flex;flex-direction:column;flex:1}
#listing-grid h2{font-size:18px;margin-bottom:10px}
#listing-grid p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1}
#listing-grid footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;margin-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
#listing-grid footer a{color:var(--primary);font-weight:700}
#listing-grid time{white-space:nowrap}

/* ============ 详情页 reading ============ */
.reading-k7m{background:var(--bg-soft)}
main.reading-k7m > section{padding:0 0 92px}
main.reading-k7m > section:last-child{padding-top:56px}
#reading-head{background:linear-gradient(160deg,#132049,#0b1020);padding:74px 0 60px;border-bottom:1px solid var(--line)}
#reading-breadcrumb{display:flex;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:20px}
#reading-breadcrumb a:hover{color:var(--accent)}
#reading-head h1{font-size:clamp(24px,4.2vw,42px);max-width:900px;margin-bottom:22px}
#reading-meta{display:flex;flex-wrap:wrap;gap:12px 26px;color:var(--muted);font-size:14px;align-items:center}
#reading-meta span{display:inline-flex;align-items:center;gap:8px}
#reading-meta i{color:var(--primary)}
#reading-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;padding-top:0}
#reading-figure{margin:0 0 34px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
#reading-figure img{width:100%;border-radius:0}
#reading-content{font-size:16px;line-height:2.05;color:#d7deef}
#reading-content h3{margin:34px 0 14px;font-size:20px;color:#fff}
#reading-content p{margin:0 0 18px}
#reading-content ul{display:grid;gap:10px;margin:0 0 22px}
#reading-content ul li{padding-left:20px;position:relative}
#reading-content ul li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
#reading-figure figcaption{font-size:13px;color:var(--muted);text-align:center;padding:12px;background:var(--surface)}
#reading-side{position:sticky;top:100px;display:grid;gap:20px}
#reading-side section{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
#reading-side h4{font-size:15.5px;margin-bottom:16px}
#reading-side ul{display:grid;gap:12px}
#reading-side a{font-size:14px;color:var(--muted);line-height:1.7;display:block}
#reading-side a:hover{color:var(--accent)}
#reading-toc li{padding:9px 12px;border-radius:10px;font-size:14px;color:var(--muted);cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease)}
#reading-toc li:hover,#reading-toc li[data-active="1"]{background:rgba(43,107,255,.16);color:#fff}
#reading-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
#reading-nav a{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;transition:border-color .3s var(--ease),transform .3s var(--ease)}
#reading-nav a:hover{border-color:rgba(43,107,255,.5);transform:translateY(-4px)}
#reading-nav span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:8px;letter-spacing:1px}
#reading-nav strong{font-size:16px}
#reading-nav a:last-child{text-align:right}

/* ============ 滚动出场动画 ============ */
html.js-ready [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
html.js-ready [data-reveal][data-revealed="1"]{opacity:1;transform:none}
html.js-ready [data-reveal="left"]{transform:translateX(-34px)}
html.js-ready [data-reveal="right"]{transform:translateX(34px)}
html.js-ready [data-reveal="zoom"]{transform:scale(.94)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  #allies-grid{grid-template-columns:repeat(4,1fr)}
  #edge-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  main > section{padding:72px 0}
  #site-nav{position:absolute;left:0;right:0;top:78px;background:rgba(11,16,32,.97);border-bottom:1px solid var(--line);display:none}
  #site-nav[data-state="open"]{display:block}
  #site-nav ul{flex-direction:column;align-items:stretch;padding:16px 24px 24px;gap:4px}
  #site-nav a{padding:13px 14px}
  #nav-toggle{display:grid;place-items:center}
  .story-k7m .container{grid-template-columns:1fr;gap:40px}
  #expertise-grid,#showcase-grid,#updates-grid,#crew-grid,#laurels-grid{grid-template-columns:repeat(2,1fr)}
  #journey-track{grid-template-columns:repeat(2,1fr);gap:34px}
  #journey-track::before{display:none}
  #reading-body{grid-template-columns:1fr}
  #reading-side{position:static}
  #footer-top{grid-template-columns:repeat(2,1fr);gap:34px}
}
@media (max-width:820px){
  #listing-grid{grid-template-columns:repeat(2,1fr)}
  #voices-grid{grid-template-columns:1fr}
  #cta-lists{grid-template-columns:1fr}
  #story-metrics{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .container{padding:0 18px}
  main > section{padding:60px 0}
  #brand-text strong{font-size:15px}
  #brand-text span{font-size:11px}
  #hero{min-height:auto;padding:96px 0 84px}
  #hero-stats{gap:14px 26px}
  #hero-stats strong{font-size:24px}
  #expertise-grid,#showcase-grid,#updates-grid,#crew-grid,#laurels-grid,#listing-grid,#edge-grid,#journey-track,#allies-grid{grid-template-columns:1fr}
  #allies-grid{grid-template-columns:repeat(2,1fr)}
  #footer-top{grid-template-columns:1fr}
  #reading-nav{grid-template-columns:1fr}
  #reading-nav a:last-child{text-align:left}
  #footer-bottom{flex-direction:column;align-items:flex-start}
  #back-top{right:16px;bottom:18px}
}