:root{
  --primary:#6c4cf1;
  --primary-deep:#4b31c7;
  --primary-soft:rgba(108,76,241,.18);
  --accent:#26e0a8;
  --accent-soft:rgba(38,224,168,.16);
  --bg:#070a14;
  --surface:#0b1120;
  --elevated:#101a30;
  --line:rgba(142,164,214,.16);
  --line-strong:rgba(142,164,214,.3);
  --text:#e8eefb;
  --muted:#96a5c7;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 20px 48px rgba(2,5,14,.6);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,"Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  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}
button,input,textarea{font-family:inherit}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 22px}
.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}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.6px;cursor:pointer;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.btn:hover{transform:translateY(-3px)}
.btnghost-r4x{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btnghost-r4x:hover{border-color:var(--accent);color:var(--accent)}
.btnsolid-r4x{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);color:#fff;box-shadow:0 12px 30px rgba(108,76,241,.38)}
.btnsolid-r4x:hover{box-shadow:0 18px 40px rgba(108,76,241,.5)}

/* ---------- 顶部导航 ---------- */
.masthead-r4x{
  position:fixed;inset:0 0 auto 0;z-index:80;
  background:rgba(7,10,20,.72);backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;transition:background .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.mastheadstuck-r4x{background:rgba(7,10,20,.95);border-bottom-color:var(--line);box-shadow:0 12px 34px rgba(2,5,14,.5)}
.navbar-r4x{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand-r4x{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brandmark-r4x{width:42px;height:42px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);background:var(--elevated)}
.brandtext-r4x{font-size:14px;font-weight:800;line-height:1.35;max-width:260px}
.brandtext-r4x span{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:1.6px}
.menu-r4x{display:flex;align-items:center;gap:6px}
.menuitem-r4x{display:block}
.menulink-r4x{
  display:block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);
  transition:color .3s ease,background .3s ease;
}
.menulink-r4x:hover,.menulink-r4x.menuon-r4x{color:#fff;background:var(--primary-soft)}
.burger-r4x{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:#fff;font-size:18px;cursor:pointer;
}

/* ---------- Hero（方案B：双背景滚动切换） ---------- */
.hero-r4x{
  position:relative;isolation:isolate;display:flex;align-items:center;justify-content:center;
  min-height:660px;padding:150px 0 100px;text-align:center;overflow:hidden;
}
.heropane-r4x{
  position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;
  opacity:0;transform:scale(1.08);transition:opacity 1.2s ease,transform 8s ease;
}
.heropaneon-r4x{opacity:1;transform:scale(1)}
.hero-r4x::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(900px 520px at 50% 8%,rgba(108,76,241,.34),transparent 70%),
    linear-gradient(180deg,rgba(7,10,20,.9) 0%,rgba(7,10,20,.82) 45%,rgba(7,10,20,.97) 100%);
}
.heroinner-r4x{max-width:880px}
.herokicker-r4x{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;
  background:var(--accent-soft);border:1px solid rgba(38,224,168,.32);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:1.2px;
}
.herokicker-r4x i{font-size:11px}
.herotitle-r4x{
  margin:22px 0 18px;font-size:clamp(30px,5.2vw,60px);font-weight:900;letter-spacing:.5px;
  text-shadow:0 10px 40px rgba(2,5,14,.7);
}
.herotitle-r4x em{font-style:normal;background:linear-gradient(100deg,var(--accent),var(--primary));-webkit-background-clip:text;background-clip:text;color:transparent}
.herotext-r4x{font-size:clamp(15px,1.7vw,18px);color:var(--muted);max-width:720px;margin:0 auto}
.herolist-r4x{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px}
.herolistitem-r4x{
  padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13px;color:#d6e0f6;
}
.herocta-r4x{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.herometer-r4x{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:44px}
.herostat-r4x{
  min-width:158px;padding:18px 20px;border-radius:var(--radius);text-align:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);backdrop-filter:blur(6px);
}
.herostatnum-r4x{display:block;font-size:26px;font-weight:900;color:var(--accent)}
.herostatlabel-r4x{display:block;font-size:12px;color:var(--muted);letter-spacing:1px}
.herodots-r4x{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:9px;z-index:3}
.herodot-r4x{
  width:9px;height:9px;border-radius:50%;border:none;cursor:pointer;padding:0;
  background:rgba(255,255,255,.3);transition:width .3s ease,background .3s ease;
}
.herodoton-r4x{width:30px;border-radius:999px;background:var(--accent)}

/* ---------- 通用区块标题 ---------- */
.sec-r4x{padding:92px 0;position:relative}
.sechead-r4x{max-width:760px;margin:0 auto 52px;text-align:center}
.eyebrow-r4x{
  display:inline-block;margin-bottom:14px;padding:6px 15px;border-radius:999px;
  background:var(--primary-soft);border:1px solid rgba(108,76,241,.34);color:#c3b3ff;
  font-size:12px;font-weight:700;letter-spacing:1.6px;
}
.headline-r4x{font-size:clamp(24px,3.4vw,38px)}
.headline-r4x em{font-style:normal;color:var(--accent)}
.lede-r4x{margin-top:16px;color:var(--muted);font-size:16px}

/* ---------- 关于我们 ---------- */
.story-r4x{background:var(--surface)}
.storygrid-r4x{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.storymedia-r4x{position:relative}
.storymedia-r4x img{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);width:100%}
.storybadge-r4x{
  position:absolute;right:-14px;bottom:-18px;padding:16px 22px;border-radius:var(--radius);
  background:var(--elevated);border:1px solid var(--line-strong);box-shadow:var(--shadow);text-align:center;
}
.storybadge-r4x b{display:block;font-size:24px;color:var(--accent);line-height:1.2}
.storybadge-r4x small{color:var(--muted);font-size:12px;letter-spacing:1px}
.storybody-r4x h3{font-size:22px;margin-bottom:16px}
.storybody-r4x p{color:var(--muted);margin-bottom:14px}
.storylist-r4x{display:grid;gap:12px;margin:24px 0 28px}
.storyitem-r4x{display:flex;gap:12px;align-items:flex-start;color:#d3ddf4;font-size:15px}
.storyitem-r4x i{color:var(--accent);margin-top:5px;font-size:14px}
.storystats-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:6px}
.storystat-r4x{padding:16px;border-radius:var(--radius);background:var(--elevated);border:1px solid var(--line);text-align:center}
.storystat-r4x b{display:block;font-size:22px;color:#fff}
.storystat-r4x small{color:var(--muted);font-size:12px}

/* ---------- 服务 ---------- */
.expertise-r4x{background:var(--bg)}
.expertisegrid-r4x{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.expertiseitem-r4x{
  padding:30px 24px;border-radius:var(--radius-lg);background:var(--surface);
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.expertiseitem-r4x::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .35s ease;
  background:linear-gradient(160deg,rgba(108,76,241,.2),transparent 62%);
}
.expertiseitem-r4x:hover{transform:translateY(-8px);border-color:rgba(108,76,241,.55);box-shadow:var(--shadow)}
.expertiseitem-r4x:hover::before{opacity:1}
.expertiseicon-r4x{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--accent);font-size:21px;margin-bottom:18px;position:relative;
}
.expertiseh-r4x{font-size:18px;margin-bottom:10px;position:relative}
.expertisep-r4x{color:var(--muted);font-size:14.5px;position:relative}
.expertiselink-r4x{display:inline-flex;gap:8px;align-items:center;margin-top:16px;color:var(--accent);font-size:13.5px;font-weight:700;position:relative}

/* ---------- 优势 ---------- */
.edge-r4x{background:var(--elevated)}
.edgegrid-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.edgeitem-r4x{
  padding:28px;border-radius:var(--radius-lg);background:rgba(255,255,255,.035);
  border:1px solid var(--line);transition:transform .35s ease,border-color .35s ease;
}
.edgeitem-r4x:hover{transform:translateY(-6px);border-color:rgba(38,224,168,.45)}
.edgenum-r4x{
  font-size:13px;font-weight:800;letter-spacing:1px;color:var(--accent);
  background:var(--accent-soft);border-radius:8px;padding:4px 10px;display:inline-block;margin-bottom:16px;
}
.edgeh-r4x{font-size:18px;margin-bottom:10px}
.edgep-r4x{color:var(--muted);font-size:14.5px}

/* ---------- 案例 ---------- */
.showcase-r4x{background:var(--bg)}
.showcasegrid-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.showcaseitem-r4x{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.showcaseitem-r4x:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(108,76,241,.5)}
.showcasemedia-r4x{overflow:hidden;position:relative}
.showcasemedia-r4x img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0;transition:transform .6s ease}
.showcaseitem-r4x:hover .showcasemedia-r4x img{transform:scale(1.07)}
.showcasetag-r4x{
  position:absolute;left:16px;top:16px;padding:6px 14px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(7,10,20,.82);border:1px solid var(--line-strong);color:var(--accent);
}
.showcasebody-r4x{padding:22px}
.showcasemeta-r4x{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px;margin-bottom:12px}
.showcasemeta-r4x span{display:inline-flex;align-items:center;gap:6px}
.showcasetitle-r4x{font-size:18px;margin-bottom:10px}
.showcasetext-r4x{color:var(--muted);font-size:14.5px}
.showcaselink-r4x{display:inline-flex;align-items:center;gap:8px;margin-top:16px;color:var(--primary);font-weight:700;font-size:14px}

/* ---------- 首页文章 ---------- */
.updates-r4x{background:var(--surface)}
.updatesgrid-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.updatesitem-r4x{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--bg);border:1px solid var(--line);
  transition:transform .35s ease,box-shadow .35s ease;
}
.updatesitem-r4x:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.updatesmedia-r4x img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0;transition:transform .6s ease}
.updatesitem-r4x:hover .updatesmedia-r4x img{transform:scale(1.06)}
.updatesbody-r4x{padding:22px}
.updatesmeta-r4x{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px;margin-bottom:12px}
.updatestitle-r4x{font-size:18px;margin-bottom:10px}
.updatestext-r4x{color:var(--muted);font-size:14.5px}
.updateslink-r4x{display:inline-flex;align-items:center;gap:8px;margin-top:16px;color:var(--accent);font-weight:700;font-size:14px}

/* ---------- 工作流程 ---------- */
.journey-r4x{background:var(--bg)}
.journeylist-r4x{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative}
.journeyline-r4x{
  position:absolute;top:34px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--accent),transparent);opacity:.5;
}
.journeystep-r4x{position:relative;text-align:center}
.journeynum-r4x{
  width:68px;height:68px;margin:0 auto 18px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#fff;background:var(--elevated);border:2px solid var(--primary);
  box-shadow:0 0 0 8px rgba(108,76,241,.12);
}
.journeyh-r4x{font-size:17px;margin-bottom:9px}
.journeyp-r4x{color:var(--muted);font-size:14px}

/* ---------- 团队 ---------- */
.crew-r4x{background:var(--surface)}
.crewgrid-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.crewitem-r4x{
  padding:28px;border-radius:var(--radius-lg);background:var(--bg);border:1px solid var(--line);
  text-align:center;transition:transform .35s ease,border-color .35s ease;
}
.crewitem-r4x:hover{transform:translateY(-8px);border-color:rgba(38,224,168,.45)}
.crewphoto-r4x{
  width:104px;height:104px;border-radius:50%;margin:0 auto 18px;object-fit:cover;
  border:3px solid rgba(108,76,241,.55);padding:3px;background:var(--elevated);
}
.crewname-r4x{font-size:18px;margin-bottom:6px}
.crewrole-r4x{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.6px;margin-bottom:12px}
.crewbio-r4x{color:var(--muted);font-size:14px}

/* ---------- 评论 ---------- */
.voices-r4x{background:var(--elevated)}
.voicesgrid-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voicesitem-r4x{
  padding:28px;border-radius:var(--radius-lg);background:rgba(255,255,255,.04);border:1px solid var(--line);
  position:relative;
}
.voicesquote-r4x{font-size:14.5px;color:#d5def3;margin:18px 0 22px}
.voicesquote-r4x i{color:var(--primary);font-size:26px;display:block;margin-bottom:6px}
.voicesperson-r4x{display:flex;align-items:center;gap:14px}
.voicesphoto-r4x{width:52px;height:52px;border-radius:50%;object-fit:cover;border:2px solid var(--accent)}
.voicesname-r4x{font-size:15px;font-weight:700}
.voicesrole-r4x{font-size:12.5px;color:var(--muted)}

/* ---------- 问答 ---------- */
.queries-r4x{background:var(--bg)}
.querieslist-r4x{max-width:880px;margin:0 auto;display:grid;gap:14px}
.queriesitem-r4x{
  border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);overflow:hidden;
  transition:border-color .3s ease;
}
.queriesitem-r4x:hover{border-color:rgba(108,76,241,.45)}
.queriesquestion-r4x{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;color:#fff;text-align:left;font-size:16.5px;font-weight:700;cursor:pointer;
}
.queriesicon-r4x{color:var(--accent);font-size:14px;transition:transform .3s ease}
.queriesanswer-r4x{max-height:0;overflow:hidden;transition:max-height .4s ease}
.queriesanswer-r4x p{padding:0 24px 22px;color:var(--muted);font-size:14.5px}
.queriesopen-r4x .queriesanswer-r4x{max-height:280px}
.queriesopen-r4x .queriesicon-r4x{transform:rotate(180deg)}

/* ---------- 合作伙伴 ---------- */
.allies-r4x{background:var(--surface)}
.alliesgrid-r4x{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.alliesitem-r4x{
  display:flex;align-items:center;justify-content:center;padding:20px;border-radius:var(--radius);
  background:var(--bg);border:1px solid var(--line);transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.alliesitem-r4x:hover{transform:translateY(-6px);border-color:rgba(38,224,168,.5);background:var(--elevated)}
.allieslogo-r4x{max-height:48px;width:auto;object-fit:contain;filter:grayscale(.25);transition:filter .3s ease,transform .3s ease}
.alliesitem-r4x:hover .allieslogo-r4x{filter:none;transform:scale(1.05)}

/* ---------- 荣誉 ---------- */
.laurels-r4x{background:var(--bg)}
.laurelsgrid-r4x{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.laurelsitem-r4x{
  padding:30px 24px;border-radius:var(--radius-lg);text-align:center;
  background:var(--surface);border:1px solid var(--line);transition:transform .35s ease,border-color .35s ease;
}
.laurelsitem-r4x:hover{transform:translateY(-6px);border-color:rgba(108,76,241,.5)}
.laurelicon-r4x{
  width:58px;height:58px;margin:0 auto 16px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--accent);background:var(--primary-soft);border:1px solid rgba(108,76,241,.35);
}
.laurelname-r4x{font-size:16.5px;margin-bottom:8px}
.laurelnum-r4x{font-size:30px;font-weight:900;color:#fff}
.laurelunit-r4x{font-size:12px;color:var(--muted);letter-spacing:1px}

/* ---------- 联系我们 ---------- */
.reach-r4x{background:var(--surface)}
.reachgrid-r4x{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
.reachinfo-r4x{display:grid;gap:18px}
.reachitem-r4x{
  display:flex;gap:16px;padding:20px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--line);
  transition:border-color .3s ease,transform .3s ease;
}
.reachitem-r4x:hover{border-color:rgba(38,224,168,.45);transform:translateX(5px)}
.reachicon-r4x{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--accent);font-size:18px;
}
.reachh-r4x{font-size:16px;margin-bottom:6px}
.reachp-r4x{color:var(--muted);font-size:14px;word-break:break-all}
.reachform-r4x{padding:30px;border-radius:var(--radius-lg);background:var(--bg);border:1px solid var(--line)}
.reachfield-r4x{margin-bottom:16px}
.reachlabel-r4x{display:block;margin-bottom:7px;font-size:13.5px;font-weight:700;color:#d3ddf4}
.reachinput-r4x,.reacharea-r4x{
  width:100%;padding:12px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);
  color:var(--text);font-size:14.5px;outline:none;transition:border-color .3s ease,box-shadow .3s ease;
}
.reacharea-r4x{min-height:120px;resize:vertical}
.reachinput-r4x:focus,.reacharea-r4x:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.reachform-r4x .btn{width:100%}

/* ---------- CTA ---------- */
.cta-r4x{padding:0 0 92px;background:var(--bg)}
.ctapane-r4x{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:62px 46px;text-align:center;
  background:linear-gradient(135deg,rgba(108,76,241,.28),rgba(38,224,168,.16)),var(--elevated);
  border:1px solid rgba(142,164,214,.24);
}
.ctapane-r4x::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(38,224,168,.24),transparent 70%);
}
.ctatitle-r4x{font-size:clamp(22px,3.2vw,34px);margin-bottom:14px;position:relative}
.ctatext-r4x{color:var(--muted);max-width:640px;margin:0 auto 28px;position:relative}
.ctabuttons-r4x{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative}

/* ---------- 页脚 ---------- */
.footer-r4x{background:#05070e;border-top:1px solid var(--line);padding:66px 0 0}
section[id]{scroll-margin-top:96px}
.footgrid-r4x{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:44px}
.footcol-r4x{min-width:0}
.footbrand-r4x{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footmark-r4x{width:44px;height:44px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong)}
.footbrandtext-r4x{font-size:15px;font-weight:800;line-height:1.4}
.footdesc-r4x{color:var(--muted);font-size:14px}
.footh-r4x{font-size:15px;margin-bottom:18px;color:#fff}
.footlist-r4x{display:grid;gap:11px}
.footlink-r4x{color:var(--muted);font-size:14px;transition:color .3s ease,padding-left .3s ease}
.footlink-r4x:hover{color:var(--accent);padding-left:6px}
.footcontact-r4x{display:grid;gap:13px;color:var(--muted);font-size:14px}
.footcontact-r4x span{display:flex;gap:10px;align-items:flex-start}
.footcontact-r4x i{color:var(--accent);margin-top:6px}
.socials-r4x{display:flex;gap:10px;margin-top:20px}
.socialdot-r4x{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);transition:all .3s ease;
}
.socialdot-r4x:hover{color:#fff;background:var(--primary);border-color:var(--primary);transform:translateY(-3px)}
.footbot-r4x{
  border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;color:var(--muted);font-size:13px;
}
.footnote-r4x{font-size:12.5px;color:#6f7c9c;max-width:720px;line-height:1.7}
.totop-r4x{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line-strong);
  background:var(--elevated);color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;z-index:70;
}
.totopon-r4x{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- 列表页 ---------- */
.pagehead-r4x{
  position:relative;padding:150px 0 70px;text-align:center;overflow:hidden;
  background:linear-gradient(180deg,rgba(108,76,241,.22),transparent 70%);
}
.pagehead-r4x h1{font-size:clamp(26px,4.2vw,44px);margin-bottom:16px}
.pagehead-r4x p{color:var(--muted);max-width:720px;margin:0 auto}
.crumbroute-r4x{display:flex;justify-content:center;gap:10px;margin-top:20px;color:var(--muted);font-size:13.5px}
.crumbroute-r4x a:hover{color:var(--accent)}
.listing-r4x{background:var(--bg);padding:74px 0 92px}
.listinggrid-r4x{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.listingitem-r4x{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.listingitem-r4x:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(108,76,241,.5)}
.listingmedia-r4x{overflow:hidden}
.listingmedia-r4x img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0;transition:transform .6s ease}
.listingitem-r4x:hover .listingmedia-r4x img{transform:scale(1.06)}
.listingbody-r4x{padding:24px;display:flex;flex-direction:column;flex:1}
.listingmeta-r4x{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px;margin-bottom:12px}
.listingmeta-r4x span{display:inline-flex;align-items:center;gap:6px}
.listingtitle-r4x{font-size:19px;margin-bottom:10px}
.listingtext-r4x{color:var(--muted);font-size:14.5px;flex:1}
.listinglink-r4x{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--primary);font-weight:700;font-size:14px}
.listnote-r4x{margin-top:46px;text-align:center;color:var(--muted);font-size:13.5px}

/* ---------- 详情页 ---------- */
.reading-r4x{background:var(--bg);padding:0 0 92px}
.readinghead-r4x{padding:142px 0 46px;text-align:center;max-width:900px}
.readingcat-r4x{
  display:inline-block;padding:6px 15px;border-radius:999px;background:var(--accent-soft);
  border:1px solid rgba(38,224,168,.32);color:var(--accent);font-size:12.5px;font-weight:700;letter-spacing:1px;
}
.readingtitle-r4x{font-size:clamp(25px,4.2vw,44px);margin:20px 0 18px}
.readingmeta-r4x{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;color:var(--muted);font-size:13.5px}
.readingmeta-r4x span{display:inline-flex;align-items:center;gap:7px}
.readinghero-r4x{margin:0 auto 46px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.readinghero-r4x img{width:100%;aspect-ratio:16/9;object-fit:cover}
.readingbody-r4x{max-width:820px;margin:0 auto;color:#cdd7ee;font-size:16px}
.readingbody-r4x p{margin-bottom:20px}
.readingbody-r4x h3{font-size:21px;margin:34px 0 14px;color:#fff}
.readingbody-r4x ul{margin:0 0 22px;display:grid;gap:10px}
.readingbody-r4x li{display:flex;gap:10px;align-items:flex-start}
.readingbody-r4x li i{color:var(--accent);margin-top:6px;font-size:13px}
.readingbody-r4x blockquote{
  margin:26px 0;padding:20px 24px;border-left:3px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;
  background:var(--surface);color:#dde5f7;
}
.readingbody-r4x img{border-radius:var(--radius);margin:24px 0}
.readingtags-r4x{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.readingtag-r4x{padding:7px 15px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.readingnav-r4x{max-width:820px;margin:56px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.readingcard-r4x{
  padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);
  transition:border-color .3s ease,transform .3s ease;
}
.readingcard-r4x:hover{border-color:rgba(38,224,168,.45);transform:translateY(-4px)}
.readingcard-r4x small{display:block;color:var(--muted);font-size:12.5px;letter-spacing:1px;margin-bottom:8px}
.readingcard-r4x span{color:#fff;font-size:15.5px;font-weight:700}
.readingshare-r4x{max-width:820px;margin:44px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:14px}

/* ---------- 滚动显现 ---------- */
.reveal-r4x{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.7,.3,1)}
.revealon-r4x{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .expertisegrid-r4x{grid-template-columns:repeat(2,1fr)}
  .alliesgrid-r4x{grid-template-columns:repeat(4,1fr)}
  .journeylist-r4x{grid-template-columns:repeat(3,1fr);gap:34px 22px}
  .journeyline-r4x{display:none}
  .footgrid-r4x{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .navbar-r4x{height:70px}
  .burger-r4x{display:inline-flex;align-items:center;justify-content:center}
  .menu-r4x{
    position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(7,10,20,.98);border-bottom:1px solid var(--line);padding:14px 22px 22px;
    max-height:0;overflow:hidden;transition:max-height .4s ease;
  }
  .menunavopen-r4x{max-height:420px}
  .menulink-r4x{padding:12px 14px;font-size:16px}
  .storygrid-r4x{grid-template-columns:1fr;gap:40px}
  .storybadge-r4x{right:14px;bottom:-14px}
  .edgegrid-r4x{grid-template-columns:repeat(2,1fr)}
  .showcasegrid-r4x,.updatesgrid-r4x,.listinggrid-r4x{grid-template-columns:repeat(2,1fr)}
  .crewgrid-r4x,.voicesgrid-r4x{grid-template-columns:repeat(2,1fr)}
  .reachgrid-r4x{grid-template-columns:1fr}
  .laurelsgrid-r4x{grid-template-columns:repeat(2,1fr)}
  .hero-r4x{min-height:560px}
}
@media (max-width:640px){
  body{font-size:15px}
  .sec-r4x{padding:64px 0}
  .sechead-r4x{margin-bottom:36px}
  .expertisegrid-r4x,.edgegrid-r4x,.showcasegrid-r4x,.updatesgrid-r4x,.listinggrid-r4x,
  .crewgrid-r4x,.voicesgrid-r4x,.journeylist-r4x,.alliesgrid-r4x,.laurelsgrid-r4x{grid-template-columns:1fr}
  .storystats-r4x{grid-template-columns:1fr}
  .readingnav-r4x{grid-template-columns:1fr}
  .footgrid-r4x{grid-template-columns:1fr}
  .ctapane-r4x{padding:44px 22px}
  .herostat-r4x{min-width:140px;flex:1 1 44%}
  .herometer-r4x{gap:10px}
  .brandtext-r4x{max-width:170px;font-size:13px}
  .hero-r4x{padding:130px 0 84px}
  .footbot-r4x{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal-r4x{opacity:1;transform:none}
}