:root{
  --bg:#08090b;
  --bg-2:#0c0e11;
  --surface:#11141a;
  --surface-2:#171b22;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --line-firm:rgba(255,255,255,.34);

  --fg:#eceae6;
  --fg-2:#b9bcc2;
  --fg-3:#8d939d;
  --fg-4:#656b74;

  --signal:#e2452c;
  --signal-bright:#ff5a3d;
  --signal-deep:#ff7a5f;
  --signal-wash:rgba(226,69,44,.12);
  --signal-line:rgba(226,69,44,.38);

  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",
              -apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"Cascadia Code","JetBrains Mono",Consolas,"Liberation Mono",Menlo,monospace;

  --maxw:1240px;
  --nav-h:64px;
  --ease:cubic-bezier(.16,1,.3,1);
  --focus:rgba(255,90,61,.55);
}

*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--font-sans);font-size:15.5px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--fg);text-decoration:none;border-bottom:1px solid var(--line-strong)}
a:hover{border-bottom-color:var(--signal);color:var(--signal-deep)}
code{font-family:var(--font-mono);font-size:.86em;background:rgba(255,255,255,.06);
  padding:1px 5px;border-radius:3px;border:1px solid var(--line)}
pre{background:#050607;border:1px solid var(--line);border-radius:4px;padding:16px 18px;
  overflow:auto;margin:0}
pre code{background:none;border:0;padding:0;font-size:13px;line-height:1.62;color:#cfd3da}
pre[data-lang]:not([data-lang=""]){position:relative}
pre[data-lang]:not([data-lang=""])::before{content:attr(data-lang);position:absolute;top:9px;right:14px;
  font-family:var(--font-mono);font-size:11px;color:var(--fg-4);letter-spacing:.04em}
table{border-collapse:collapse;width:100%;margin:22px 0;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{font-weight:600;color:var(--fg-2);background:rgba(255,255,255,.03)}
tbody tr:last-child td{border-bottom:1px solid var(--line-strong)}
blockquote{margin:22px 0;padding:2px 0 2px 16px;border-left:2px solid var(--signal);color:var(--fg-2)}
hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* 胶片颗粒：整站一层极淡噪点，压掉纯色块的塑料感 */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:999;
  opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E")}

::selection{background:rgba(255,90,61,.3)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:2px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ── 导航：透明压图，滚动后变实 ─────────────────────── */
.nav{position:fixed;top:0;left:0;right:0;z-index:80;height:var(--nav-h);
  display:flex;align-items:center;transition:background .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent}
.nav.solid{background:rgba(8,9,11,.86);backdrop-filter:blur(14px);
  border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;width:100%}
.brand{font-family:var(--font-mono);font-size:13.5px;font-weight:700;letter-spacing:.02em;
  color:var(--fg);border:0;white-space:nowrap;display:flex;align-items:center;gap:0}
.brand i{width:9px;height:9px;margin-right:10px;background:var(--signal);display:inline-block;
  border-radius:1px;box-shadow:0 0 14px rgba(226,69,44,.9)}
.brand span{color:var(--fg-4);font-weight:400;letter-spacing:.06em;font-size:11.5px}
.nav-links{display:flex;gap:22px;font-size:13.5px;margin-left:auto;flex-wrap:wrap}
.nav-links a{color:var(--fg-2);border:0;padding:2px 0;white-space:nowrap}
.nav-links a:hover{color:var(--fg);border-bottom:1px solid var(--line-firm)}
.nav-links a[aria-current="page"]{color:var(--fg);font-weight:600;border-bottom:1px solid var(--signal)}

/* ── Hero：满幅图 + 压字 + 画布 ─────────────────────── */
.hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:flex-end;
  padding:calc(var(--nav-h) + 40px) 0 56px;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center;
  transform:scale(1.04);filter:saturate(.95)}
.hero-media::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(8,9,11,.94) 0%,rgba(8,9,11,.72) 44%,rgba(8,9,11,.28) 100%),
    linear-gradient(0deg,var(--bg) 0%,rgba(8,9,11,.25) 34%,rgba(8,9,11,.55) 100%)}
.hero canvas{position:absolute;inset:0;z-index:-1;width:100%;height:100%;
  opacity:.55;mix-blend-mode:screen;pointer-events:none}
.hero-inner{width:100%}
.kicker{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  color:var(--signal-deep);text-transform:uppercase;display:flex;align-items:center;gap:12px;
  margin-bottom:26px}
.kicker::before{content:"";width:34px;height:1px;background:var(--signal)}
.hero h1{margin:0 0 22px;font-size:clamp(44px,7.2vw,104px);line-height:.98;
  letter-spacing:-.045em;font-weight:700;max-width:13ch;overflow-wrap:anywhere;min-width:0;
  text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--signal-bright)}
.hero-sub{margin:0 0 18px;font-size:clamp(19px,2.1vw,28px);font-weight:500;
  letter-spacing:-.025em;color:var(--fg);line-height:1.35;
  animation:rise .95s var(--ease) .2s both}
.hero .lede{margin:0 0 34px;max-width:52ch;font-size:clamp(15px,1.4vw,18px);
  color:var(--fg-2);line-height:1.7}
.hero .lede b{color:var(--fg);font-weight:500}

/* 搜索：深色玻璃 */
.searchwrap{position:relative;max-width:720px}
.search{display:flex;align-items:center;gap:12px;background:rgba(14,16,20,.72);
  border:1px solid var(--line-strong);border-radius:6px;padding:0 16px;height:64px;
  backdrop-filter:blur(12px);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search:focus-within{border-color:var(--signal);box-shadow:0 0 0 3px var(--signal-wash)}
.search svg{flex:0 0 auto;color:var(--fg-3)}
.search input{flex:1 1 auto;min-width:0;border:0;background:none;outline:none;
  font-family:var(--font-mono);font-size:15px;color:var(--fg)}
.search input::placeholder{color:var(--fg-4)}
.search kbd{font-family:var(--font-mono);font-size:11px;color:var(--fg-4);
  border:1px solid var(--line);border-radius:3px;padding:1px 6px;background:rgba(255,255,255,.04)}
.quick{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0 0;align-items:center}
.quick .label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--fg-4);
  margin-right:2px;text-transform:uppercase}
.chip{font-family:var(--font-mono);font-size:12px;color:var(--fg-2);
  border:1px solid var(--line-strong);border-radius:4px;padding:4px 10px;
  background:rgba(255,255,255,.03);transition:all .16s var(--ease)}
.chip:hover{border-color:var(--signal);color:var(--signal-deep);background:var(--signal-wash)}

.drop{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#0e1116;
  border:1px solid var(--line-strong);border-radius:6px;box-shadow:0 24px 60px rgba(0,0,0,.6);
  overflow:hidden;z-index:70}
.drop[hidden]{display:none}
.drop a{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:11px 16px;
  border:0;border-bottom:1px solid var(--line);align-items:baseline}
.drop a:last-child{border-bottom:0}
.drop a:hover{background:rgba(255,255,255,.05);color:var(--fg)}
.drop .k{font-family:var(--font-mono);font-size:11px;color:var(--signal);letter-spacing:.06em}
.drop .t{font-size:14px;color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.drop .none{padding:13px 16px;color:var(--fg-3);font-size:13.5px}

/* Hero 底部数据 */
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  margin-top:48px;border-top:1px solid var(--line-strong);max-width:820px}
.hero-stats > div{padding:18px 22px 0 0}
.hero-stats .n{font-family:var(--font-mono);font-size:30px;font-weight:700;line-height:1;
  letter-spacing:-.03em;color:var(--fg)}
.hero-stats .n.signal{color:var(--signal-bright)}
.hero-stats .l{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--fg-4);margin-top:7px;text-transform:uppercase}

/* ── 通用区块 ───────────────────────────────────────── */
section.band{padding:88px 0;border-bottom:1px solid var(--line);position:relative}
section.band.tint{background:var(--bg-2)}
.band-head{display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:12px}
.band-head h2{margin:0;font-size:clamp(26px,3.2vw,42px);font-weight:700;
  letter-spacing:-.035em;line-height:1.1;overflow-wrap:anywhere}
.band-head .more{font-family:var(--font-mono);font-size:12px;color:var(--fg-3);
  margin-left:auto;border:0;white-space:nowrap;letter-spacing:.04em}
.band-head .more:hover{color:var(--signal-deep)}
.band-sub{color:var(--fg-3);margin:0 0 40px;max-width:62ch;font-size:14.5px}

/* 滚动播报 */
.marquee{overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-2)}
.marquee .track{display:flex;gap:52px;width:max-content;padding:13px 0;
  animation:slide 48s linear infinite}
.marquee .item{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--fg-3);
  white-space:nowrap;font-family:var(--font-mono)}
.marquee .item .tagline{color:var(--signal-deep);letter-spacing:.08em}
.marquee .item .dot{width:5px;height:5px;background:var(--signal);border-radius:50%;
  flex:0 0 auto;box-shadow:0 0 10px rgba(226,69,44,.8)}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── 报错卡：深色玻璃 + 悬停红线 ─────────────────────── */
.wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.spec{background:var(--surface);padding:26px 26px 22px;display:flex;flex-direction:column;
  gap:10px;min-width:0;position:relative;transition:background .2s var(--ease)}
.spec::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--signal);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}
.spec:hover{background:var(--surface-2)}
.spec:hover::before{transform:scaleY(1)}
.spec .code{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--signal-bright);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spec .code .sev{color:var(--fg-4)}
.spec h3{margin:0;font-size:17px;font-weight:600;letter-spacing:-.015em;line-height:1.4;
  overflow-wrap:anywhere;min-width:0;color:var(--fg)}
.spec p{margin:0;font-size:13.5px;color:var(--fg-3);line-height:1.65}
.spec .fix{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;color:var(--fg-3);line-height:1.6}
.spec .fix b{color:var(--signal-deep);font-weight:600;margin-right:4px}

/* ── 智能体：图像卡 ─────────────────────────────────── */
.agents{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.acard{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:var(--surface);min-height:360px;display:flex;flex-direction:column;
  justify-content:flex-end;padding:30px;
  transition:border-color .3s var(--ease),transform .35s var(--ease)}
.acard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  transition:transform .7s var(--ease);filter:saturate(.9) brightness(.85)}
.acard::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(0deg,rgba(5,6,7,.96) 0%,rgba(5,6,7,.55) 46%,rgba(5,6,7,.08) 100%)}
.acard > *{position:relative;z-index:2}
.acard:hover{border-color:var(--signal-line);transform:translateY(-3px)}
.acard:hover img{transform:scale(1.05)}
.acard .idx{font-family:var(--font-mono);font-size:11px;color:var(--signal-bright);
  letter-spacing:.16em;margin-bottom:auto}
.acard h3{margin:0 0 6px;font-size:clamp(24px,2.4vw,34px);font-weight:700;
  letter-spacing:-.03em;line-height:1.05}
.acard p{margin:0;color:var(--fg-2);font-size:14px;max-width:40ch}
.acard .meta{display:flex;gap:18px;margin-top:16px;font-family:var(--font-mono);
  font-size:11.5px;color:var(--fg-3);flex-wrap:wrap}
.acard .meta b{color:var(--fg-2);font-weight:500}
.acard .arrow{position:absolute;right:26px;bottom:28px;z-index:3;font-family:var(--font-mono);
  color:var(--fg-3);transition:color .2s,transform .3s var(--ease)}
.acard:hover .arrow{color:var(--signal-bright);transform:translateX(4px)}

/* ── 宽幅视觉带 ─────────────────────────────────────── */
.visual-band{position:relative;height:min(56vw,440px);overflow:hidden;border-bottom:1px solid var(--line)}
.visual-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:brightness(.62) saturate(.9)}
.visual-band::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,9,11,.92) 0%,rgba(8,9,11,.45) 55%,rgba(8,9,11,.1) 100%)}
.visual-band .inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;
  justify-content:center}
.visual-band h2{margin:0 0 14px;font-size:clamp(28px,4vw,54px);font-weight:700;
  letter-spacing:-.04em;line-height:1.02;max-width:14ch}
.visual-band p{margin:0 0 26px;color:var(--fg-2);max-width:44ch;font-size:15px}
.visual-band .cta{display:flex;gap:12px;flex-wrap:wrap}

/* ── 按钮 ───────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--signal);
  color:#fff;border:1px solid var(--signal);border-radius:5px;padding:12px 22px;
  font-size:14.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease)}
.btn:hover{background:var(--signal-bright);border-color:var(--signal-bright);color:#fff;
  transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--fg);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--line-firm);
  color:var(--fg);transform:translateY(-1px)}

/* ── 发布条 ─────────────────────────────────────────── */
.release{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;
  align-items:center;border:1px solid var(--line);background:
  linear-gradient(120deg,rgba(226,69,44,.10),rgba(255,255,255,.02) 42%,rgba(255,255,255,.02));
  border-radius:8px;padding:30px 32px}
.release .v{font-family:var(--font-mono);font-size:40px;font-weight:700;letter-spacing:-.03em;
  line-height:1}
.release .meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:14px;
  font-family:var(--font-mono);font-size:11.5px;color:var(--fg-3);letter-spacing:.03em}
.release .meta b{color:var(--fg-2);font-weight:500}

/* ── 规格带 ─────────────────────────────────────────── */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.specs > div{padding:26px 26px 22px;border-right:1px solid var(--line)}
.specs > div:last-child{border-right:0}
.specs .n{font-family:var(--font-mono);font-size:clamp(24px,2.6vw,36px);font-weight:700;letter-spacing:-.04em;
  line-height:1;color:var(--fg)}
.specs .n.signal{color:var(--signal-bright)}
.specs .l{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  color:var(--fg-4);margin-top:9px;text-transform:uppercase}

/* ── 索引行 ─────────────────────────────────────────── */
.index{border-top:1px solid var(--line-strong)}
.row{border-bottom:1px solid var(--line);position:relative}
.row > summary,.rowlink{display:grid;grid-template-columns:170px 1fr auto;gap:22px;
  align-items:baseline;padding:16px 6px;cursor:pointer;list-style:none;
  transition:background .16s var(--ease),padding .2s var(--ease)}
.row > summary::-webkit-details-marker{display:none}
.row > summary:hover,.rowlink:hover{background:rgba(255,255,255,.035);padding-left:12px;padding-right:12px}
.index .k{font-family:var(--font-mono);font-size:12px;color:var(--signal);
  letter-spacing:.03em;overflow-wrap:anywhere}
.index .t{font-size:16.5px;font-weight:600;letter-spacing:-.015em;line-height:1.45;min-width:0}
.t small{display:block;font-weight:400;font-size:13.5px;color:var(--fg-3);
  margin-top:4px;letter-spacing:0}
.index .m{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-4);white-space:nowrap;
  text-align:right;letter-spacing:.03em}


/* ── 动效层 ─────────────────────────────────────────── */
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes kenburns{from{transform:scale(1.04)}to{transform:scale(1.12) translateY(-1.5%)}}
@keyframes scan{0%{transform:translateY(0)}100%{transform:translateY(380%)}}
@keyframes pulse{0%,100%{opacity:.6;box-shadow:0 0 6px rgba(226,69,44,.5)}
  50%{opacity:1;box-shadow:0 0 20px rgba(226,69,44,1)}}

.hero .kicker{animation:rise .8s var(--ease) .05s both}
.hero h1{animation:rise .95s var(--ease) .14s both}
.hero .lede{animation:rise .95s var(--ease) .3s both}
.hero .searchwrap{animation:rise .95s var(--ease) .36s both}
.hero .quick{animation:rise .95s var(--ease) .46s both}
.hero-stats{animation:rise .95s var(--ease) .56s both}
.hero-media img{animation:kenburns 26s ease-in-out infinite alternate}
.hero .scan{position:absolute;left:0;right:0;top:-40%;height:36%;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,rgba(226,69,44,.15) 48%,transparent 100%);
  filter:blur(3px);mix-blend-mode:screen;animation:scan 9s linear infinite}
.brand i{animation:pulse 2.6s ease-in-out infinite}
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--signal);
  z-index:90;box-shadow:0 0 12px rgba(226,69,44,.8);transition:width .12s linear}

/* 卡片聚光跟随指针 */
.spec::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%),
    rgba(255,90,61,.14),transparent 62%);transition:opacity .25s var(--ease)}
.spec:hover::after{opacity:1}

/* ── 终端块 ─────────────────────────────────────────── */
.term{background:#050607;border:1px solid var(--line);border-radius:6px;
  padding:18px 20px;margin:0;position:relative;overflow:hidden}
.term::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--signal);opacity:.8}
.term code{display:block;font-family:var(--font-mono);font-size:12.8px;line-height:1.65;
  color:#cfd3da;white-space:pre-wrap;overflow-wrap:anywhere}
.term code .sig{color:var(--signal-bright)}

/* ── 页头（内页）────────────────────────────────────── */
.head{padding:calc(var(--nav-h) + 64px) 0 40px;border-bottom:1px solid var(--line-strong);
  position:relative;overflow:hidden}
.head h1{margin:0 0 14px;font-size:clamp(34px,5vw,64px);font-weight:700;
  letter-spacing:-.04em;line-height:1.02;overflow-wrap:anywhere;min-width:0}
.head p{margin:0;max-width:62ch;color:var(--fg-2);font-size:16px}
.crumb{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-4);letter-spacing:.08em;
  margin-bottom:18px;text-transform:uppercase}
.crumb a{border:0;color:var(--fg-3)}


/* 内页封面 */
.cover{position:relative;height:min(42vw,420px);overflow:hidden;border-bottom:1px solid var(--line)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:brightness(.66) saturate(.95)}
.cover::after{content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,var(--bg) 0%,rgba(8,9,11,.15) 55%,rgba(8,9,11,.45) 100%)}

/* ── 文档正文 ───────────────────────────────────────── */
.prose{max-width:78ch}
.prose h1{margin:0 0 10px;font-size:clamp(30px,4vw,52px);font-weight:700;
  letter-spacing:-.04em;line-height:1.05;overflow-wrap:anywhere;min-width:0}
.prose .lead{color:var(--fg-2);font-size:17px;margin:0 0 30px;padding-bottom:22px;
  border-bottom:1px solid var(--line-strong)}
.prose h2{margin:44px 0 14px;font-size:25px;font-weight:700;letter-spacing:-.025em;line-height:1.25}
.prose h3{margin:30px 0 10px;font-size:17px;font-weight:650}
.prose p{margin:0 0 16px;color:var(--fg-2)}
.prose li{margin:0 0 7px;color:var(--fg-2)}
.prose strong{color:var(--fg)}
.prose code{overflow-wrap:anywhere;color:#e8e6e1}

/* 档位 */
.tier{display:grid;grid-template-columns:190px 1fr;gap:28px;padding:26px 0;
  border-bottom:1px solid var(--line);align-items:baseline}
.tier:last-child{border-bottom:0}
.tier .name{font-weight:700;font-size:17px;letter-spacing:-.02em}
.tier .name small{display:block;font-weight:400;font-size:11px;color:var(--fg-4);
  font-family:var(--font-mono);margin-top:5px;letter-spacing:.1em;text-transform:uppercase}
.tier p{margin:0;font-size:14.5px;color:var(--fg-2)}
.tier .price{font-family:var(--font-mono);font-size:12px;color:var(--fg-4);margin-top:7px}

/* 时间轴 */
.timeline{border-left:1px solid var(--line-firm);margin-left:7px;padding-left:24px}
.timeline li{list-style:none;position:relative;padding:0 0 26px}
.timeline li::before{content:"";position:absolute;left:-29px;top:9px;width:9px;height:9px;
  border-radius:50%;background:var(--bg);border:1.5px solid var(--line-firm)}
.timeline li:first-child::before{background:var(--signal);border-color:var(--signal);
  box-shadow:0 0 12px rgba(226,69,44,.8)}
.timeline .d{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-4);letter-spacing:.06em}
.timeline .h{font-weight:600;font-size:15.5px;margin:4px 0 5px}
.timeline .p{font-size:13.8px;color:var(--fg-3);margin:0}

/* 页脚 */
.foot{border-top:1px solid var(--line-strong);padding:56px 0 60px;color:var(--fg-3);
  font-size:13.5px;background:var(--bg-2)}
.foot .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:32px}
.foot h4{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--fg-4);
  margin:0 0 13px;font-weight:400;text-transform:uppercase}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:0 0 8px}
.foot a{color:var(--fg-2);border:0}
.foot a:hover{color:var(--signal-deep)}
.foot .base{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;gap:20px;flex-wrap:wrap;font-family:var(--font-mono);font-size:11px;color:var(--fg-4)}

/* 进场 */
.rv{opacity:0;transform:translateY(18px)}
.rv.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}

@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none}
  .marquee .track{animation:none}
  .hero-media img{transform:none;animation:none}
  .hero .scan{display:none}
  .brand i{animation:none}
  .hero .kicker,.hero h1,.hero-sub,.hero .lede,.hero .searchwrap,.hero .quick,.hero-stats{animation:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

@media (max-width:980px){
  .agents{grid-template-columns:1fr}
  .acard{min-height:320px}
}

@media (max-width:860px){
  .wrap{padding:0 20px}
  .nav{height:auto}
  .nav .wrap{flex-wrap:wrap;height:auto;padding:10px 0 0;gap:0}
  .brand{width:100%;margin-bottom:8px}
  .brand span{display:none}
  .nav-links{width:100%;margin-left:0;gap:16px;font-size:13px;overflow-x:auto;
    flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:10px}
  .nav-links::-webkit-scrollbar{display:none}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 76px) 0 44px}
  .hero h1{font-size:clamp(38px,11vw,58px)}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px}
  .hero-stats > div{padding:16px 16px 0 0}
  section.band{padding:60px 0}
  .wall{grid-template-columns:1fr}
  .specs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .specs > div{border-bottom:1px solid var(--line)}
  .release{grid-template-columns:1fr;padding:24px}
  .visual-band{height:420px}
  .row > summary,.rowlink{grid-template-columns:1fr;gap:7px}
  .index .m{text-align:left}
  .tier{grid-template-columns:1fr;gap:9px}
}

@media (max-width:520px){
  .specs{grid-template-columns:1fr}
  .specs > div{border-right:0}
  .hero h1{font-size:clamp(34px,10.5vw,46px)}
}