*{margin:0;padding:0;box-sizing:border-box}
:root{
  /* lighter, more atmospheric blue-gray */
  --bg:      #08111e;
  --bg2:     #0c1929;
  --surface: rgba(255,255,255,0.04);
  --glass:   rgba(255,255,255,0.06);
  --border:  rgba(255,255,255,0.08);
  --border2: rgba(0,180,220,0.18);
  --accent:  #2dd4f0;
  --accent2: #1a6fff;
  --orange:  #ffa657;
  --text:    #eaf3fb;
  --muted:   #d5e3ef;
  --muted2:  #8ba3ba;
  --white:   #ffffff;
}
html{scroll-behavior:smooth}
body{
  background: linear-gradient(160deg, #0a1628 0%, #060e1a 60%, #091520 100%);
  color:var(--text);
  font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  font-size:15px;line-height:1.7;overflow-x:hidden;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}

/* ── FROSTED GLASS ── */
.glass{
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 0.5px solid var(--border);
}

/* ── SCROLL SNAP ── */
.page-wrap{height:100vh;overflow-y:scroll;scroll-snap-type:y mandatory;scroll-behavior:smooth}
@supports(height:100svh){.page-wrap{height:100svh}}
@supports(height:100dvh){.page-wrap{height:100dvh}}
.page-wrap::-webkit-scrollbar{width:3px}
.page-wrap::-webkit-scrollbar-thumb{background:var(--muted2);border-radius:2px}

.snap-s{scroll-snap-align:start;scroll-snap-stop:always;min-height:100vh;display:flex;flex-direction:column;position:relative;overflow:hidden}
#s5,#s6,#s7{scroll-margin-top:80px}
.snap-s::before,.free-s::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(45,212,240,0.1)" stroke-width="1"/></pattern></defs><rect width="800" height="600" fill="url(%23grid)"/></svg>');
  opacity:0.6;
  pointer-events:none;
  z-index:0;
}
.free-s{position:relative;scroll-snap-align:start;scroll-snap-stop:always;min-height:100vh;display:flex;flex-direction:column;justify-content:flex-start;padding-top:100px;}

/* ── NAV ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:300;
  background:rgba(8,17,30,0.7);
  backdrop-filter:blur(24px) saturate(1.6);
  -webkit-backdrop-filter:blur(24px) saturate(1.6);
  border-bottom:0.5px solid var(--border);
}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:none;margin:0 auto}
.logo{
  display:flex;align-items:center;gap:14px;cursor:pointer;position:relative;
  padding:8px 14px 8px 10px;border-radius:16px;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  background:linear-gradient(135deg, rgba(15,29,49,0.42), rgba(8,18,34,0.12));
  border:1px solid rgba(97,190,255,0.03);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.04), 0 8px 18px rgba(2,10,25,0.12);
  overflow:hidden;
}
.logo::before{
  content:'';position:absolute;inset:-30% auto -30% -22%;width:72px;
  background:radial-gradient(circle, rgba(76,195,255,0.22) 0%, rgba(76,195,255,0.08) 48%, transparent 72%);
  pointer-events:none;filter:blur(4px);animation:logoPulse 3.6s ease-in-out infinite;
}
.logo::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(110deg, transparent 18%, rgba(127,224,255,0.14) 45%, transparent 70%);
  transform:translateX(-135%);
  animation:logoSweep 6.4s ease-in-out infinite;
  pointer-events:none;
}
.logo:hover{
  transform:translateY(-1px);
  background:linear-gradient(135deg, rgba(18,36,60,0.54), rgba(8,18,34,0.16));
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.05), 0 12px 24px rgba(2,10,25,0.16);
}
.logo img{
  width:40px;height:40px;object-fit:contain;position:relative;z-index:1;
  filter:drop-shadow(0 0 12px rgba(76,195,255,0.24));
}
.logo-text{display:flex;flex-direction:column;line-height:1;gap:5px;position:relative;z-index:1}
.logo-cn{
  font-size:13px;font-weight:700;color:var(--white);letter-spacing:.05em;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  text-shadow:0 0 12px rgba(76,195,255,0.16);
}
.logo-en{
  font-size:11px;font-weight:600;color:#54d3ff;letter-spacing:.16em;text-align:left;
  text-shadow:0 0 10px rgba(76,195,255,0.14);
}
@keyframes logoPulse{
  0%,100%{opacity:.45;transform:scale(.94)}
  50%{opacity:.92;transform:scale(1.08)}
}
@keyframes logoSweep{
  0%,16%{transform:translateX(-135%);opacity:0}
  28%{opacity:1}
  58%{transform:translateX(118%);opacity:.75}
  100%{transform:translateX(118%);opacity:0}
}
.nav-links{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:54px;font-size:17px;font-weight:500;color:#a8c0d6}
.nav-links a{transition:color .2s;position:relative;padding-bottom:4px;white-space:nowrap}
.nav-links a:nth-child(3){margin-left:24px}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:50%;right:50%;height:2px;background:var(--accent);border-radius:1px;box-shadow:0 0 6px rgba(45,212,240,.6);transition:left .25s,right .25s}
.nav-links a.nav-act{color:var(--white)}.nav-links a.nav-act::after{left:0;right:0}
.nav-links a:hover{color:var(--white)}
.nav-r{display:flex;gap:10px;position:relative;z-index:2}
.nbtn{display:inline-flex;align-items:center;padding:8px 20px;border-radius:8px;font-size:13px;cursor:pointer;font-family:inherit;border:none;transition:all .2s}
.nbtn-o{background:transparent;border:0.5px solid var(--accent);color:var(--accent)}.nbtn-o:hover{background:rgba(45,212,240,.08)}
.nbtn-s{background:var(--accent2);color:#fff}.nbtn-s:hover{background:#1558ee}
.nav-user-email{display:inline-flex;align-items:center;padding:8px 14px;font-size:12.5px;color:var(--text);opacity:0.8;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mobile-menu-btn,.mobile-nav{display:none}

/* ── PAGE DOTS ── */
.dots{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:200;display:flex;flex-direction:column;gap:10px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--muted2);border:none;padding:0;cursor:pointer;transition:all .3s}
.dot.on{background:var(--accent);transform:scale(1.4)}

/* ── SHARED ── */
.wrap{max-width:1320px;margin:0 auto;padding:0 56px;width:100%}
.si{flex:1;display:flex;align-items:center;padding:32px 0 40px;position:relative;z-index:1}   /* section inner */

/* LABEL — prominent, proportional */
.lbl{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);margin-bottom:18px;
}
.lbl::before{content:'';width:20px;height:1px;background:var(--accent);display:inline-block}

.h1{font-size:52px;font-weight:300;color:var(--white);line-height:1.15;letter-spacing:-.02em;margin-bottom:20px;font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif}
.h1 strong{font-weight:600;color:var(--accent)}
.h2{font-size:34px;font-weight:400;color:var(--white);line-height:1.25;margin-bottom:14px;letter-spacing:-.01em;font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif}
.h3{font-size:20px;font-weight:500;color:var(--white);margin-bottom:10px}
.body{font-size:14px;color:var(--muted);line-height:2}
.center{text-align:center}.center .lbl{justify-content:center}

/* ── GRID BG ── */
/* 已移除，使用section的::before统一处理 */

/* ── GLOW ── */
.glow-top{position:absolute;top:-80px;left:50%;transform:translateX(-50%);
  width:800px;height:500px;
  background:radial-gradient(ellipse at 50% 30%, rgba(26,111,255,.14) 0%, transparent 65%);
  pointer-events:none}

/* ── NEXT HINT ── */
.hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  font-size:11px;color:var(--muted2);display:flex;align-items:center;gap:7px;opacity:.55;pointer-events:none}
.arr{width:11px;height:11px;border-right:1px solid var(--muted2);border-bottom:1px solid var(--muted2);
  transform:rotate(45deg);margin-top:-5px;animation:bob .9s ease-in-out infinite alternate}
@keyframes bob{from{transform:rotate(45deg) translateY(0)}to{transform:rotate(45deg) translateY(5px)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.7)}}

/* ═══════════════════════════════
   S0  HERO
═══════════════════════════════ */
.hero-headline{position:absolute;top:max(100px,16vh);left:0;right:0;z-index:2;text-align:center}
.hero-headline::before{
  content:'';
  position:absolute;
  left:50%;
  top:50%;
  width:980px;
  height:240px;
  transform:translate(-50%,-50%);
  background:radial-gradient(ellipse at center, rgba(37,184,255,.12) 0%, rgba(37,184,255,.06) 32%, rgba(37,184,255,0) 72%);
  filter:blur(18px);
  pointer-events:none;
}
.hero-headline .h1{
  position:relative;
  display:inline-block;
  font-size:40px;
  font-weight:400;
  letter-spacing:.01em;
  line-height:1.4;
  margin:0;
  color:var(--white);
  animation:heroHeadlineFloat 5.4s ease-in-out infinite;
}
.hero-headline .h1 strong{
  position:relative;
  display:block;
  font-size:40px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:-.01em;
  color:var(--accent);
  margin-top:6px;
  text-shadow:0 0 18px rgba(45,212,240,.18), 0 0 42px rgba(45,212,240,.08);
  background-image:linear-gradient(90deg, #1fd4ff 0%, #2fdcff 18%, #ffffff 31%, #9ff4ff 37%, #32d9ff 46%, #1fd4ff 100%);
  background-size:240% 100%;
  background-position:100% 50%;
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  animation:headlineSweepText 4.4s ease-in-out infinite;
  filter:drop-shadow(0 0 8px rgba(45,212,240,.18));
}
.hero-headline .h1 .hl{
  position:relative;
  display:inline-block;
  color:var(--accent);
  font-weight:600;
  letter-spacing:.02em;
  text-shadow:0 0 12px rgba(45,212,240,.36), 0 0 28px rgba(45,212,240,.18);
  animation:heroKeywordPulse 2.8s ease-in-out infinite;
}
.hero-headline .h1 .hl::after{
  content:'';
  position:absolute;
  left:-8%;
  right:-8%;
  bottom:6px;
  height:16px;
  background:radial-gradient(ellipse at center, rgba(45,212,240,.2) 0%, rgba(45,212,240,0) 72%);
  filter:blur(7px);
  z-index:-1;
}
@keyframes heroKeywordPulse{
  0%,100%{text-shadow:0 0 10px rgba(45,212,240,.28), 0 0 24px rgba(45,212,240,.12)}
  50%{text-shadow:0 0 18px rgba(45,212,240,.52), 0 0 42px rgba(45,212,240,.24)}
}
@keyframes headlineSweepText{
  0%{background-position:100% 50%}
  38%{background-position:62% 50%}
  58%{background-position:34% 50%}
  78%{background-position:12% 50%}
  100%{background-position:-18% 50%}
}
@keyframes heroHeadlineFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-3px)}
}
.hero-content{position:relative;z-index:2;max-width:720px;padding-top:0;text-align:left;margin-left:3%}
#s0 .si{align-items:flex-end;padding-left:clamp(80px,6vw,200px);padding-bottom:max(110px,13vh)}
@media(min-width:1600px){#s0 .si{align-items:flex-end;padding-left:clamp(160px,10vw,280px);padding-bottom:max(180px,20vh);padding-top:0}}
@media(min-width:1600px) and (min-height:1200px){#s0 .si{align-items:flex-start;padding-left:clamp(160px,10vw,280px);padding-top:max(200px,28vh)}}
.badge-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
.hero-text{max-width:720px}
.hero-desc{font-size:17.5px;color:#e6f1fb;max-width:550px;margin:0 0 48px;line-height:1.8;text-align:left}
.hero-btns{display:flex;gap:24px;justify-content:flex-start;margin-bottom:0}
.hbtn{display:inline-flex;align-items:center;justify-content:center;padding:15px 42px;border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;border:none;transition:all .2s;letter-spacing:.03em;text-decoration:none}
.hbtn-p{background:var(--accent2);color:#fff;box-shadow:0 4px 28px rgba(26,111,255,.32)}.hbtn-p:hover{background:#1558ee;transform:translateY(-2px)}
.hbtn-o{background:transparent;border:0.5px solid rgba(45,212,240,.5);color:var(--accent)}.hbtn-o:hover{background:rgba(45,212,240,.07)}

.stats-row{display:flex;gap:0;justify-content:center;max-width:560px;margin:0 auto;
  border-radius:14px;overflow:hidden;border:0.5px solid var(--border2);background:var(--surface);
  backdrop-filter:blur(20px)}
.sstat{flex:1;padding:22px 12px;text-align:center;border-right:0.5px solid var(--border)}
.sstat:last-child{border-right:none}
.sstat-n{font-size:24px;font-weight:500;color:var(--white);line-height:1}
.sstat-l{font-size:11px;color:var(--muted);margin-top:6px;letter-spacing:.04em}

/* ═══════════════════════════════
   S1  PHILOSOPHY
═══════════════════════════════ */
.phil-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%}
.phil-card{padding:44px;border-radius:16px;position:relative;overflow:hidden}
.phil-card::after{content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,212,240,.3),transparent)}
.phil-num{font-size:64px;font-weight:700;color:rgba(45,212,240,.05);line-height:1;margin-bottom:12px;font-family:Georgia,serif}
.phil-title{font-size:18px;font-weight:500;color:var(--white);margin-bottom:18px}
.phil-body{font-size:13.5px;color:var(--muted);line-height:2.1;padding-left:18px;border-left:1.5px solid rgba(26,111,255,.5)}

/* ═══════════════════════════════
   S2  VIDEO
═══════════════════════════════ */
.vframe{aspect-ratio:16/9;border-radius:16px;overflow:hidden;
  border:0.5px solid var(--border2);width:100%;max-width:820px;margin:0 auto;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,22,40,0.8);backdrop-filter:blur(12px)}
.vframe iframe,.vframe video{width:100%;height:100%;border:none;display:block}
.vph{display:flex;flex-direction:column;align-items:center;gap:18px;min-height:320px;justify-content:center}
.play{width:76px;height:76px;border-radius:50%;border:1.5px solid var(--accent);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s;
  background:rgba(45,212,240,.05)}
.play:hover{background:rgba(45,212,240,.12);transform:scale(1.08);box-shadow:0 0 32px rgba(45,212,240,.15)}
.play svg{width:28px;height:28px;fill:var(--accent);margin-left:5px}
.vtip{font-size:11px;color:var(--muted2);font-family:monospace;margin-top:10px;text-align:center}

/* ═══════════════════════════════
   FEATURES  (free scroll, no snap)
═══════════════════════════════ */
.feat-block{padding:34px 0 40px;position:relative;z-index:1}
.feat-block .wrap{max-width:1480px}
.feat-hd{margin-bottom:18px}
.feat-sub{font-size:15px;color:var(--muted);margin-bottom:20px;line-height:1.6}
.feat-stage{
  position:relative;
  padding:0;
  border:none;
  background:none;
  box-shadow:none;
  overflow:visible;
}
/* feat tabs */
.feat-tab-nav{display:flex;border-bottom:1px solid var(--border);margin-bottom:32px;gap:0;padding:0 18px}
.ftab{background:none;border:none;cursor:pointer;padding:12px 28px 14px;color:var(--muted);
  position:relative;text-align:left;transition:color .2s;flex:1}
.ftab::after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:2px;
  background:var(--accent);transform:scaleX(0);transition:transform .2s;border-radius:1px}
.ftab.on{color:var(--white)}.ftab.on::after{transform:scaleX(1)}
.ftab:hover{color:rgba(255,255,255,.7)}
.ftab-num{display:block;font-size:11px;letter-spacing:.14em;color:var(--accent);margin-bottom:5px;opacity:.8}
.ftab-name{display:block;font-size:14px;font-weight:500;line-height:1.3;white-space:nowrap}
.feat-panels{position:relative;padding:0 52px}
.feat-panel{
  display:none;
  grid-template-columns:minmax(420px,520px) minmax(430px,620px);
  gap:clamp(28px,3.4vw,56px);
  align-items:center;
  min-height:clamp(340px,38vh,430px);
}
.feat-panel>div:first-child{max-width:520px}
.feat-panel.active{display:grid}
.feat-num{display:none}
.feat-title{font-size:clamp(30px,2vw,38px);font-weight:600;color:var(--white);line-height:1.18;margin-bottom:18px}
.feat-desc{font-size:15px;color:#d5e3ef;line-height:2.02;margin-bottom:28px}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{font-size:11px;padding:5px 14px;border-radius:20px;
  background:rgba(45,212,240,.06);border:0.5px solid rgba(45,212,240,.18);color:var(--accent)}
.feat-img{
  position:relative;
  width:min(100%, 660px);
  justify-self:end;
  aspect-ratio:16/10;
  border-radius:22px;
  overflow:hidden;
  padding:12px;
  border:none;
  background:
    radial-gradient(circle at top, rgba(44,179,255,.12), rgba(10,22,40,.96) 52%),
    rgba(10,22,40,.94);
  box-shadow:
    0 20px 52px rgba(5,12,24,.34),
    inset 0 1px 0 rgba(255,255,255,.03);
  cursor:zoom-in;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.feat-img::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:inherit;
  border:none;
  pointer-events:none;
}
.feat-img:hover{
  transform:translateY(-2px);
  box-shadow:
    0 24px 62px rgba(5,12,24,.42);
}
.feat-img img{
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  display:block;
  border-radius:14px;
  background:rgba(8,18,34,.55);
}
/* lightbox */
.lb{position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:9999;display:none;
  align-items:center;justify-content:center;cursor:zoom-out;backdrop-filter:blur(4px)}
.lb.on{display:flex}
.lb img{max-width:88vw;max-height:88vh;border-radius:14px;object-fit:contain;
  box-shadow:0 24px 80px rgba(0,0,0,.8)}

/* feat — left/right nav arrows */
.fprev,.fnext{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:52px;border-radius:10px;
  border:1px solid rgba(255,255,255,0.04);background:rgba(255,255,255,0.015);
  color:rgba(156,163,175,.7);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;z-index:10;font-family:inherit;
  transition:all .2s;
  box-shadow:none;
}
.fprev{left:-24px}
.fnext{right:-24px}
.fprev:hover,.fnext:hover{background:rgba(255,255,255,0.04);border-color:rgba(255,255,255,0.08);color:#cbd5e1}

/* mock screens */
.sm{width:100%;height:100%;padding:20px;display:flex;flex-direction:column;gap:11px;min-height:210px}
.smbar{height:7px;background:rgba(255,255,255,.07);border-radius:3px}
.smrow{display:flex;gap:9px;height:33px}
.smcell{background:rgba(255,255,255,.07);border-radius:5px;flex:1}
.smcell.a{background:rgba(45,212,240,.18)}
.mac{display:flex;gap:5px;margin-bottom:14px}
.mac span{width:9px;height:9px;border-radius:50%}

/* ═══════════════════════════════
   S4  TECH
═══════════════════════════════ */
.tech-intro{font-size:14px;color:var(--muted);line-height:2.1;max-width:900px;
  margin-bottom:40px;padding-left:20px;border-left:1.5px solid rgba(26,111,255,.5)}

/* 新的技术卡片样式 - 参考cyber_security_ui */
.tech-card-new{
  display:flex;gap:24px;align-items:flex-start;
  padding:28px 32px;border-radius:16px;
  background:linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border:1px solid rgba(120,180,255,0.2);
  box-shadow:0 0 15px rgba(0,140,255,0.08), inset 0 0 15px rgba(0,140,255,0.04);
  backdrop-filter:blur(12px);
  position:relative;overflow:hidden;
  transition:all 0.3s ease;
}
.tech-card-new::before{
  content:'';position:absolute;top:0;left:10%;width:80%;height:2px;
  background:linear-gradient(90deg, transparent, #4cc3ff, transparent);
  opacity:0.4;
}
.tech-card-new:hover{
  transform:translateY(-4px);
  box-shadow:0 0 20px rgba(0,160,255,0.15), inset 0 0 20px rgba(0,140,255,0.08);
}
.tech-icon-new{
  width:64px;height:64px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:32px;border-radius:50%;
  background:radial-gradient(circle, rgba(80,180,255,0.25), rgba(0,80,200,0.1));
  box-shadow:0 0 15px rgba(0,140,255,0.2);
}
.tech-content-new{flex:1}
.tech-title-new{
  font-size:18px;font-weight:600;color:#d9f3ff;
  margin-bottom:12px;
}
.tech-line{
  width:40px;height:2px;background:#3dbbff;
  margin-bottom:12px;border-radius:2px;
}
.tech-desc-new{font-size:13px;line-height:1.6;color:rgba(245,250,255,0.98);margin:0}

.tech-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) 310px;
  gap:38px;
  align-items:center;
  margin-bottom:24px;
}
.tech-copy{
  min-height:252px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.tech-copy .h2{
  margin-bottom:12px;
}
.tech-copy .tech-intro{
  margin-bottom:0;
  max-width:700px;
}
.tech-visual{
  display:flex;
  justify-content:center;
  align-items:center;
  padding-top:18px;
}

@media(min-width:1600px){
  .feat-block .wrap{max-width:1560px}
  .feat-block{padding-top:42px}
  .feat-panels{padding:0 58px}
  .feat-panel{
    grid-template-columns:minmax(460px,560px) minmax(480px,700px);
    gap:64px;
  }
  .feat-panel>div:first-child{max-width:560px}
  .feat-img{width:min(100%, 700px)}
  .fprev{left:-30px}
  .fnext{right:-30px}
}

/* 盾牌动态视觉模块 */
.shield-stage{
  position:relative;
  width:310px;
  height:252px;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  overflow:visible;
  isolation:isolate;
}
.shield-stage::before{
  content:'';
  position:absolute;
  inset:-16px -18px -10px;
  border-radius:28px;
  background:
    radial-gradient(circle at 50% 14%, rgba(110,199,255,.18) 0%, rgba(110,199,255,0) 38%),
    linear-gradient(180deg, rgba(7,21,40,.12) 0%, rgba(7,21,40,.52) 100%);
  z-index:0;
}
.shield-aura{
  position:absolute;
  left:50%;
  top:14px;
  width:220px;
  height:220px;
  transform:translateX(-50%);
  border-radius:50%;
  background:
    radial-gradient(circle, rgba(58,182,255,.36) 0%, rgba(28,103,255,.2) 38%, rgba(8,18,40,0) 74%);
  filter:blur(20px);
  animation:shieldAura 4.2s ease-in-out infinite;
  z-index:1;
}
.beam-core{
  position:absolute;
  left:50%;
  bottom:40px;
  width:24px;
  height:168px;
  transform:translateX(-50%);
  background:linear-gradient(180deg, rgba(106,214,255,0) 0%, rgba(77,195,255,.85) 30%, rgba(16,118,255,.95) 68%, rgba(197,241,255,.95) 100%);
  filter:blur(2px);
  opacity:.9;
  z-index:2;
  animation:beamPulse 3s ease-in-out infinite;
}
.beam-core::before{
  content:'';
  position:absolute;
  left:50%;
  top:-4px;
  width:82px;
  height:196px;
  transform:translateX(-50%);
  background:linear-gradient(180deg, rgba(63,196,255,0) 0%, rgba(63,196,255,.18) 30%, rgba(63,196,255,.42) 78%, rgba(63,196,255,0) 100%);
  filter:blur(12px);
}
.shield-platform{
  position:absolute;
  left:50%;
  bottom:0;
  width:252px;
  height:76px;
  transform:translateX(-50%);
  border-radius:50%;
  background:
    radial-gradient(ellipse at center, rgba(220,249,255,.98) 0%, rgba(106,214,255,.96) 14%, rgba(34,120,255,.9) 28%, rgba(16,53,142,.96) 48%, rgba(7,18,38,.98) 64%, rgba(7,18,38,0) 72%),
    radial-gradient(ellipse at center, rgba(130,228,255,.34) 0%, rgba(130,228,255,0) 68%);
  box-shadow:
    0 0 34px rgba(44,179,255,.34),
    0 0 78px rgba(23,118,255,.22);
  z-index:3;
}
.shield-platform::before,
.shield-platform::after{
  content:'';
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  border-radius:50%;
}
.shield-platform::before{
  width:220px;
  height:56px;
  border:1px solid rgba(173,242,255,.72);
  box-shadow:0 0 18px rgba(73,194,255,.44), inset 0 0 12px rgba(73,194,255,.16);
}
.shield-platform::after{
  width:162px;
  height:34px;
  border:1px solid rgba(151,224,255,.34);
  box-shadow:0 0 14px rgba(73,194,255,.22);
}
.platform-halo{
  position:absolute;
  left:50%;
  bottom:-6px;
  width:286px;
  height:84px;
  transform:translateX(-50%);
  border-radius:50%;
  background:radial-gradient(ellipse at center, rgba(77,194,255,.58) 0%, rgba(29,111,255,.26) 38%, rgba(29,111,255,0) 72%);
  filter:blur(16px);
  z-index:1;
  animation:haloBreath 3.4s ease-in-out infinite;
}
.shield-float{
  position:absolute;
  left:50%;
  bottom:56px;
  width:188px;
  transform:translateX(-50%);
  z-index:4;
  animation:shieldFloat 4.8s ease-in-out infinite;
  filter:
    drop-shadow(0 0 12px rgba(117,224,255,.58))
    drop-shadow(0 0 34px rgba(27,122,255,.34));
}
.shield-float img{
  width:100%;
  height:auto;
  display:block;
}
.platform-rays{
  position:absolute;
  left:50%;
  bottom:20px;
  width:260px;
  height:160px;
  transform:translateX(-50%);
  z-index:2;
  pointer-events:none;
}
.platform-rays span{
  position:absolute;
  bottom:0;
  width:2px;
  border-radius:999px;
  background:linear-gradient(180deg, rgba(120,223,255,0) 0%, rgba(96,212,255,.88) 34%, rgba(96,212,255,.08) 82%, rgba(96,212,255,0) 100%);
  filter:drop-shadow(0 0 6px rgba(79,195,255,.7));
  transform-origin:bottom center;
  animation:rayRise 2.4s linear infinite;
  opacity:0;
}
.platform-rays span:nth-child(1){left:6%;height:112px;animation-delay:-1.8s}
.platform-rays span:nth-child(2){left:12%;height:86px;animation-delay:-.9s}
.platform-rays span:nth-child(3){left:17%;height:138px;animation-delay:-2.4s}
.platform-rays span:nth-child(4){left:24%;height:104px;animation-delay:-1.4s}
.platform-rays span:nth-child(5){left:31%;height:160px;animation-delay:-2.1s}
.platform-rays span:nth-child(6){left:38%;height:96px;animation-delay:-.5s}
.platform-rays span:nth-child(7){left:46%;height:178px;animation-delay:-1.7s}
.platform-rays span:nth-child(8){left:53%;height:108px;animation-delay:-2.5s}
.platform-rays span:nth-child(9){left:60%;height:154px;animation-delay:-.8s}
.platform-rays span:nth-child(10){left:68%;height:102px;animation-delay:-1.2s}
.platform-rays span:nth-child(11){left:76%;height:142px;animation-delay:-2.2s}
.platform-rays span:nth-child(12){left:84%;height:90px;animation-delay:-.3s}
.platform-rays span:nth-child(13){left:9%;height:148px;animation-delay:-1.1s}
.platform-rays span:nth-child(14){left:27%;height:126px;animation-delay:-2.7s}
.platform-rays span:nth-child(15){left:58%;height:170px;animation-delay:-1.5s}
.platform-rays span:nth-child(16){left:90%;height:122px;animation-delay:-2.0s}
.shield-particles{
  position:absolute;
  left:50%;
  bottom:28px;
  width:158px;
  height:164px;
  transform:translateX(-50%);
  z-index:3;
  pointer-events:none;
}
.shield-particles span{
  position:absolute;
  bottom:0;
  width:6px;
  height:6px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(216,248,255,.98) 0%, rgba(82,211,255,.92) 52%, rgba(82,211,255,0) 100%);
  box-shadow:0 0 10px rgba(82,211,255,.85);
  animation:particleRise 2.8s linear infinite;
  opacity:0;
}
.shield-particles span:nth-child(1){left:10%;animation-delay:-.3s}
.shield-particles span:nth-child(2){left:22%;animation-delay:-1.7s}
.shield-particles span:nth-child(3){left:34%;animation-delay:-.9s}
.shield-particles span:nth-child(4){left:48%;animation-delay:-2.2s}
.shield-particles span:nth-child(5){left:58%;animation-delay:-1.2s}
.shield-particles span:nth-child(6){left:70%;animation-delay:-2.6s}
.shield-particles span:nth-child(7){left:84%;animation-delay:-.6s}

@keyframes shieldAura{
  0%,100%{transform:translateX(-50%) scale(.96);opacity:.64}
  50%{transform:translateX(-50%) scale(1.08);opacity:.92}
}
@keyframes shieldFloat{
  0%,100%{transform:translateX(-50%) translateY(0) rotate(-2deg)}
  50%{transform:translateX(-50%) translateY(-16px) rotate(2deg)}
}
@keyframes beamPulse{
  0%,100%{opacity:.74;filter:blur(2px)}
  50%{opacity:1;filter:blur(1px)}
}
@keyframes haloBreath{
  0%,100%{transform:translateX(-50%) scale(.94);opacity:.66}
  50%{transform:translateX(-50%) scale(1.08);opacity:1}
}
@keyframes rayRise{
  0%{transform:translateY(28px) scaleY(.7);opacity:0}
  14%{opacity:.86}
  72%{opacity:.52}
  100%{transform:translateY(-150px) scaleY(1.22);opacity:0}
}
@keyframes particleRise{
  0%{transform:translate3d(0,0,0) scale(.45);opacity:0}
  18%{opacity:.95}
  82%{opacity:.42}
  100%{transform:translate3d(var(--drift, 0px),-132px,0) scale(1.18);opacity:0}
}

/* 旧样式保留（其他地方可能用到） */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%}
.tc{padding:28px;border-radius:14px;position:relative;overflow:hidden;transition:border-color .25s}
.tc::before{content:'';position:absolute;top:0;left:0;right:0;height:1.5px;
  background:linear-gradient(90deg,var(--accent2),var(--accent));opacity:0;transition:opacity .25s}
.tc:hover{border-color:var(--border2)!important}.tc:hover::before{opacity:1}
.tc-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.tc-icon{font-size:24px;line-height:1;flex-shrink:0}
.tc-name{font-size:15px;font-weight:500;color:var(--white)}
.tc-desc{font-size:14px;color:#d5e3ef;line-height:2}

/* ═══════════════════════════════
   S5  APPLICATION
═══════════════════════════════ */
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%}
.ac{padding:36px;border-radius:16px}
.ac-title{font-size:16px;font-weight:500;color:var(--white);margin-bottom:22px;text-align:center}
.plist{display:flex;flex-direction:column;gap:10px}
.pitem{display:flex;align-items:center;justify-content:space-between;
  padding:13px 18px;background:rgba(255,255,255,.03);border:0.5px solid var(--border);border-radius:9px}
.pname{font-size:13px;color:var(--text)}
.pbadge{font-size:11px;padding:3px 12px;border-radius:20px;min-width:64px;text-align:center;display:inline-block}
.pb-on{background:rgba(45,212,240,.08);color:var(--accent);border:0.5px solid rgba(45,212,240,.22)}
.pb-wip{background:rgba(255,255,255,.04);color:var(--muted);border:0.5px solid var(--border)}
.pb-plan{background:rgba(255,255,255,.03);color:rgba(255,255,255,.3);border:0.5px solid rgba(255,255,255,.1)}
.pb-test{background:rgba(251,191,36,.08);color:#fbbf24;border:0.5px solid rgba(251,191,36,.28)}
.dep-body{font-size:13.5px;color:var(--muted);line-height:2.1}
.dep-body strong{color:var(--white);font-weight:500}
.dep-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.dtag{font-size:11px;padding:5px 14px;border-radius:7px;
  background:rgba(45,212,240,.05);border:0.5px solid rgba(45,212,240,.16);color:var(--accent)}

/* S5 platform list (new style) */
.plat-list{display:flex;flex-direction:column;gap:10px}
.plat-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 20px;background:rgba(255,255,255,.03);border:0.5px solid var(--border);border-radius:12px}
.plat-item.plat-item--active{background:rgba(45,212,240,.04);border-color:rgba(45,212,240,.2)}
.plat-name{font-size:15px;color:var(--white);font-weight:400}
.plat-sub{font-size:12px;color:var(--muted);margin-top:4px}
.plat-pill{font-size:11px;padding:5px 14px;border-radius:999px;min-width:74px;text-align:center;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.pp-trial{background:rgba(26,111,255,.18);color:#7bb8ff;border:1px solid rgba(26,111,255,.45);cursor:pointer;text-decoration:none;transition:all .2s;font-size:12px;padding:7px 16px;font-weight:500;box-shadow:0 0 12px rgba(26,111,255,.2)}
.pp-trial:hover{background:rgba(26,111,255,.28);box-shadow:0 0 18px rgba(26,111,255,.35)}
.pp-test{background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.45);font-size:12px;padding:7px 16px;font-weight:500}
.pp-wip{background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.45);font-size:12px;padding:7px 16px;font-weight:500}
/* dep card redesign */
.dep-stats{display:flex;gap:0;margin-bottom:22px;border-radius:12px;overflow:hidden;border:0.5px solid rgba(45,212,240,.12);background:rgba(255,255,255,.02)}
.dep-stat{flex:1;padding:16px 14px;text-align:center;border-right:0.5px solid rgba(255,255,255,.06)}
.dep-stat:last-child{border-right:none}
.dep-stat-n{font-size:26px;font-weight:500;color:var(--white);line-height:1;letter-spacing:-.01em}
.dep-stat-n sup{font-size:14px;font-weight:400;color:var(--accent)}
.dep-stat-l{font-size:11px;color:var(--muted);margin-top:6px;letter-spacing:.02em}
.dep-points{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.dep-point{padding:12px 16px;border-radius:10px;border-left:2.5px solid rgba(45,212,240,.4);background:rgba(255,255,255,.025);padding-left:16px}
.dep-point-title{font-size:12px;font-weight:600;color:var(--accent);margin-bottom:4px;letter-spacing:.04em;text-transform:uppercase}
.dep-point-body{font-size:13px;color:#d5e3ef;line-height:1.75}

/* ═══════════════════════════════
   S6  APPLY
═══════════════════════════════ */
.trial-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:24px;width:100%;align-items:start}
.req-wrap{padding:24px 24px 20px;border-radius:16px;width:100%}
.req-wrap .req-title{margin-bottom:20px}
.req-title,.ver-title{font-size:18px;font-weight:600;color:var(--white);text-align:center}
.req-sub{font-size:13px;color:var(--muted);margin-bottom:18px;line-height:1.9}
.req-msg{margin-bottom:18px;padding:12px 14px;border-radius:12px;background:rgba(251,191,36,.08);border:0.5px solid rgba(251,191,36,.22);color:#f3d58a;font-size:12px;line-height:1.85}
.req-msg.is-hidden{display:none}
.req-extra{display:none}
.req-extra.is-on{display:block}
.submit-note{display:none;font-size:12px;text-align:center;margin-top:10px;line-height:1.8}
.submit-note.is-on{display:block}
.fsel{width:100%;padding:11px 14px;background:rgba(255,255,255,.04);border:0.5px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;outline:none;font-family:inherit;transition:border-color .2s;-webkit-appearance:none;appearance:none}
.fsel:focus{border-color:rgba(45,212,240,.4)}
.ver-wrap{padding:24px 24px 22px;border-radius:16px}
.ver-title{margin-bottom:20px}
.ver-sub{font-size:13px;color:var(--muted);line-height:1.9;margin-bottom:18px}
.ver-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:0.5px solid rgba(45,212,240,.12);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.028),rgba(255,255,255,.018))}
.ver-table th,.ver-table td{padding:15px 16px;font-size:13px;line-height:1.8;text-align:left;vertical-align:top}
.ver-table thead th{background:rgba(255,255,255,.045);color:var(--white);font-weight:500}
.ver-table tbody td{border-top:0.5px solid rgba(255,255,255,.06);color:#d5e3ef}
.ver-table thead th:first-child,.ver-table tbody td:first-child{width:24%;background:rgba(255,255,255,.018)}
.ver-table thead th:nth-child(2),.ver-table tbody td:nth-child(2){width:34%}
.ver-table thead th:nth-child(3),.ver-table tbody td:nth-child(3){width:42%}
.ver-cap-name{display:block;font-size:13px;font-weight:500;color:var(--white)}
.ver-main{display:block;color:#d5e3ef}
.ver-plus{display:inline-flex;align-items:center;margin-top:8px;padding:3px 10px;border-radius:999px;background:rgba(45,212,240,.09);border:0.5px solid rgba(45,212,240,.24);color:var(--accent);font-size:11px;line-height:1.5;letter-spacing:.01em}
.ver-enterprise{background:linear-gradient(180deg,rgba(45,212,240,.035),rgba(45,212,240,.015));box-shadow:inset 1px 0 0 rgba(45,212,240,.08)}
.ver-na{color:rgba(157,189,216,.45);font-size:18px;line-height:1;font-weight:400;display:inline-block;margin-top:2px}

/* confirm dialog */
.confirm-dlg{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:9999;display:none;align-items:center;justify-content:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.confirm-dlg.on{display:flex}
.confirm-box{background:linear-gradient(160deg,#0e1e34 0%,#091520 100%);border:0.5px solid rgba(45,212,240,.2);border-radius:20px;padding:36px 40px;max-width:420px;width:90%;box-shadow:0 28px 64px rgba(0,0,0,.65)}
.confirm-title{font-size:18px;font-weight:600;color:var(--white);margin-bottom:8px}
.confirm-sub{font-size:13px;color:var(--muted);line-height:1.9;margin-bottom:22px}
.confirm-rows{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;padding:16px 18px;border-radius:12px;background:rgba(255,255,255,.04);border:0.5px solid rgba(255,255,255,.08)}
.confirm-row{display:flex;align-items:flex-start;gap:14px}
.confirm-key{font-size:12px;color:var(--muted2);min-width:44px;padding-top:2px;letter-spacing:.02em;flex-shrink:0}
.confirm-val{font-size:14px;color:var(--white);font-weight:500;word-break:break-all;line-height:1.6}
.confirm-btns{display:flex;gap:12px}
.confirm-btns button{flex:1;padding:13px;border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .2s}
.confirm-cancel{background:rgba(255,255,255,.06);color:var(--muted);border:0.5px solid var(--border)}
.confirm-cancel:hover{background:rgba(255,255,255,.1);color:var(--white)}
.confirm-ok{background:var(--accent2);color:#fff;border:none;box-shadow:0 4px 18px rgba(26,111,255,.3)}
.confirm-ok:hover{background:#1558ee;transform:translateY(-1px)}
.confirm-ok:disabled{opacity:.6;cursor:default;transform:none}

/* keep legacy download classes (unused but harmless) */
.dla-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;width:100%;align-items:start}

/* Download — full-width cards, uniform button */
.dl-head{margin-bottom:32px}
.dl-list{display:flex;flex-direction:column;gap:16px}
.dl-card{padding:14px 16px;border-radius:10px;border:0.5px solid var(--border);background:rgba(255,255,255,.03);transition:border-color .2s;display:flex;align-items:center;justify-content:space-between;gap:12px}
.dl-card:hover{border-color:var(--border2)}
.dl-top{display:flex;align-items:center;gap:14px;flex:1;min-width:0}
.dl-icon{font-size:24px;line-height:1;flex-shrink:0}
.dl-os{font-size:14px;font-weight:500;color:var(--white);margin-bottom:2px}
.dl-ver{font-size:11px;color:var(--muted)}
.btn-dl{
  flex-shrink:0;padding:7px 16px;
  border-radius:7px;background:var(--accent2);color:#fff;
  font-size:12px;font-weight:500;border:none;cursor:pointer;
  font-family:inherit;transition:background .2s;white-space:nowrap;
}
.btn-dl:hover{background:#1558ee}

/* Apply */
.apply-wrap{padding:22px 24px;border-radius:16px}
.apply-title{font-size:20px;font-weight:500;color:var(--white);margin-bottom:6px}
.apply-sub{font-size:13px;color:var(--muted);margin-bottom:24px}
.tabs{display:flex;border:0.5px solid var(--border);border-radius:9px;overflow:hidden;margin-bottom:22px}
.tab{flex:1;padding:10px;border:none;background:transparent;
  color:var(--muted);font-size:13px;cursor:pointer;font-family:inherit;transition:all .2s}
.tab.on{background:var(--accent2);color:#fff}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fg{margin-bottom:12px}
.fg label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.fg input{
  width:100%;padding:11px 14px;
  background:rgba(255,255,255,.04);border:0.5px solid var(--border);
  border-radius:8px;color:var(--text);font-size:13px;outline:none;font-family:inherit;
  transition:border-color .2s;
}
.fg input:focus{border-color:rgba(45,212,240,.4)}
.fg input::placeholder{color:var(--muted2)}
.btn-sub{
  width:100%;padding:13px;border-radius:9px;background:var(--accent2);
  color:#fff;font-size:14px;font-weight:500;border:none;cursor:pointer;
  font-family:inherit;margin-top:6px;transition:all .2s;
  box-shadow:0 4px 20px rgba(26,111,255,.25);
}
.btn-sub:hover{background:#1558ee;transform:translateY(-1px)}
.btn-sub:disabled{opacity:.6;cursor:default;transform:none}
.fnote{font-size:11px;color:var(--muted2);text-align:center;margin-top:10px}

/* ═══════════════════════════════
   S7  ABOUT
═══════════════════════════════ */
.about-team{max-width:720px;margin-bottom:40px}
.about-body{font-size:14px;color:var(--muted);line-height:2.1;margin-bottom:24px}
.about-pts{display:flex;flex-direction:column;gap:12px}
.about-pt{display:flex;gap:12px;font-size:13px;color:var(--muted)}
/* milestone */
.ms-card{border-radius:14px;padding:32px 40px;margin-bottom:24px}
.ms-title{font-size:17px;font-weight:700;color:var(--white);margin-bottom:28px;letter-spacing:.01em}
.ms-list{display:flex;flex-direction:column}
.ms-item{display:flex;gap:20px}
.ms-item:not(:last-child){padding-bottom:28px}
.ms-dot-col{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:12px}
.ms-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:4px;box-shadow:0 0 6px rgba(45,212,240,.5)}
.ms-vline{flex:1;width:1.5px;background:rgba(45,212,240,.2);margin-top:6px}
.ms-item:last-child .ms-vline{display:none}
.ms-year{font-size:13px;font-weight:700;color:var(--accent);margin-bottom:6px;letter-spacing:.02em}
.ms-desc{font-size:13px;color:#d5e3ef;line-height:1.85}
/* horizontal milestone */
.ms-track-h{display:flex;align-items:flex-start;gap:0}
.ms-node-h{display:flex;flex-direction:column;align-items:center;flex:1;min-width:0}
.ms-year-h{font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px;letter-spacing:.02em;text-align:center}
.ms-node-h--dim .ms-year-h{color:var(--muted)}
.ms-dot-row{display:flex;align-items:center;width:100%}
.ms-hl{flex:1;height:1.5px;background:rgba(45,212,240,.25)}
.ms-hl-invis{background:transparent}
.ms-desc-h{font-size:12px;color:#d5e3ef;line-height:1.7;text-align:center;padding:10px 8px 0;margin:0}
/* academic */
.ac-sub-label{display:inline-flex;align-items:center;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border-radius:6px;margin-bottom:12px}
.ac-sub-label.lbl-paper{background:rgba(45,212,240,.12);color:var(--accent);border:0.5px solid rgba(45,212,240,.3)}
.ac-sub-label.lbl-patent{background:rgba(99,102,241,.14);color:#a5b4fc;border:0.5px solid rgba(99,102,241,.35)}
/* 当前 高亮 */
.ms-node-h--now .ms-year-h{color:var(--accent);font-weight:700;text-shadow:0 0 10px rgba(45,212,240,.5)}
.ms-node-h--now .ms-dot-now{background:var(--accent);box-shadow:0 0 0 4px rgba(45,212,240,.2),0 0 12px rgba(45,212,240,.5);animation:pulse-dot 1.8s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{box-shadow:0 0 0 4px rgba(45,212,240,.2),0 0 12px rgba(45,212,240,.5)}50%{box-shadow:0 0 0 8px rgba(45,212,240,.08),0 0 24px rgba(45,212,240,.7)}}
.ac-item{display:flex;align-items:flex-start;gap:12px;background:rgba(255,255,255,.04);border:0.5px solid rgba(45,212,240,.12);border-radius:10px;padding:14px 16px;margin-bottom:8px}
.ac-badge{flex-shrink:0;font-size:11px;font-weight:600;padding:2px 8px;border-radius:6px;white-space:nowrap;margin-top:2px;background:rgba(45,212,240,.1);border:0.5px solid rgba(45,212,240,.3);color:var(--accent)}
.ac-badge-patent{background:rgba(99,102,241,.12);border-color:rgba(99,102,241,.35);color:#a5b4fc}
.ac-title-t{font-size:12px;color:var(--white);line-height:1.55;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ac-meta-t{font-size:12px;color:#d5e3ef;line-height:1.5}
.about-contact{display:flex;gap:48px;font-size:13px;color:var(--muted)}
.apdot{width:5px;height:5px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:9px}
.num-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.nc{padding:22px 20px;border-radius:12px}
.nc-n{font-size:30px;font-weight:400;color:var(--white);line-height:1;margin-bottom:5px}
.nc-l{font-size:12px;color:var(--muted)}
.cc{padding:24px;border-radius:12px}
.cc-title{font-size:13px;font-weight:500;color:var(--white);margin-bottom:14px}
.cc-row{display:flex;gap:10px;font-size:12px;color:var(--muted);margin-bottom:8px}
.cc-key{color:var(--muted2);min-width:32px}

/* ── FOOTER ── */
.footer{
  background:rgba(6,12,22,.9);border-top:0.5px solid var(--border);
  padding:26px 48px;display:flex;align-items:center;justify-content:center;
  flex-wrap:wrap;gap:16px;
}
.footer-l{font-size:14px;color:#b8ccdd}
.footer-r{display:flex;gap:22px;font-size:14px;color:#b8ccdd}
.footer-r a:hover{color:var(--white)}

/* ── HERO BG ── */
.hero-bg{position:absolute;inset:0;
  background:url(../hero-bg8.png) right 30%/auto 90% no-repeat;z-index:0}
@supports (background-image:image-set(url("../hero-bg8.webp") type("image/webp"))){
  .hero-bg{background-image:image-set(url("../hero-bg8.webp") type("image/webp"),url("../hero-bg8.png") type("image/png"))}
}
.hero-bg::after{content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(4,10,22,.82) 0%,rgba(6,12,24,.55) 35%,rgba(6,12,24,.12) 58%,rgba(6,12,24,.0) 100%)}
.hero-bg::before{content:'';position:absolute;inset:0;z-index:1;
  background:radial-gradient(ellipse at 100% 100%,rgba(4,10,22,.95) 0%,rgba(4,10,22,.7) 18%,transparent 38%)}

/* ── NARROW SECTIONS ── */
#s4 .wrap,#s5 .wrap,#s6 .wrap{max-width:1200px}
	/* s6 申请试用 — 内容下移 + 卡片拉高 */
	#s6 .si{padding-top:70px;padding-bottom:30px}
	#s6 .si .wrap > div:first-child{margin-bottom:40px}
	.trial-card{padding:32px 24px 34px !important;margin-bottom:18px !important}

/* ── ABOUT TWO-COL ── */
.about-bottom{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:start;margin-top:8px}
.about-img-ph{border-radius:16px;overflow:hidden;border:0.5px solid var(--border2);background:linear-gradient(135deg,rgba(26,111,255,.08) 0%,rgba(45,212,240,.05) 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:320px;gap:14px;color:var(--muted2)}
.about-img-ph svg{opacity:.35}
.about-img-ph span{font-size:12px;letter-spacing:.1em;text-transform:uppercase;opacity:.6}

/* ── LOGO STRIP ── */
.logo-strip{margin-top:52px}
.logo-strip-lbl{font-size:11px;letter-spacing:.16em;color:var(--muted2);margin-bottom:18px;text-transform:uppercase;display:block;text-align:center}
.logo-row{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}
.logo-pill{padding:9px 22px;border-radius:8px;border:0.5px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);font-size:13px;font-weight:500;
  color:rgba(255,255,255,.28);letter-spacing:.04em;transition:color .25s,border-color .25s,background .25s}
.logo-pill:hover{color:rgba(255,255,255,.75);border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.06)}


/* ── 平板 / 中等屏幕 ── */
@media(max-width:1400px){
  .hero-bg{background-position:right center}
  .hero-bg::after{background:linear-gradient(100deg,rgba(4,10,22,.72) 0%,rgba(4,10,22,.50) 38%,rgba(4,10,22,.15) 65%,transparent 82%)}
}
@media(max-width:1024px){
  .wrap{padding:0 32px}
  .h1{font-size:38px}.h2{font-size:28px}
  .hero-desc{font-size:15px;max-width:420px;margin-bottom:32px}
  .hero-text{max-width:none}
  .stats-row{gap:12px;flex-wrap:wrap;justify-content:flex-start}
  .stat-item{min-width:100px}
  .feat-block .wrap{max-width:100%}
  .feat-tab-nav{padding:0}
  .feat-panels{padding:0 32px}
  .feat-panel{grid-template-columns:minmax(320px,380px) minmax(320px,1fr);gap:24px}
  .fprev{left:-12px}.fnext{right:-12px}
  .tech-copy .tech-intro{max-width:none}
  .about-bottom{grid-template-columns:1fr;gap:24px}
  .about-img-ph{min-height:200px}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .confirm-box{max-width:380px;padding:28px}
  .dla-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
}

/* ── 手机 ── */
@media(max-width:768px){
  .h1{font-size:28px}.h2{font-size:22px}
  .wrap{padding:0 16px}
  /* 导航 */
  .nav-inner{padding:10px 14px;gap:10px}
  .nav-links,.dots{display:none}
  .nav-r{margin-left:auto}
  .logo img{width:32px;height:32px}
  .logo-cn{font-size:11px}.logo-en{font-size:9px}
  .logo{padding:6px 10px;gap:8px}
  .mobile-menu-btn{display:flex;width:40px;height:40px;flex:0 0 40px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:0.5px solid rgba(45,212,240,.45);border-radius:8px;background:rgba(8,17,30,.82);cursor:pointer}
  .mobile-menu-btn span{display:block;width:18px;height:2px;background:var(--accent);border-radius:1px;transition:transform .2s,opacity .2s}
  .mobile-menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .mobile-menu-btn.open span:nth-child(2){opacity:0}
  .mobile-menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-nav.open{display:flex}
  .mobile-nav{position:fixed;top:67px;left:12px;right:12px;z-index:301;flex-direction:column;padding:8px;background:rgba(8,17,30,.97);border:0.5px solid rgba(45,212,240,.28);border-radius:8px;box-shadow:0 18px 40px rgba(0,0,0,.38)}
  .mobile-nav>a{padding:12px 14px;border-bottom:0.5px solid rgba(255,255,255,.08);font-size:14px;color:var(--text)}
  .mobile-nav>a:last-of-type{border-bottom:none}
  .mobile-auth{display:none;gap:10px;padding:12px 8px 4px}
  .mobile-auth .nbtn{flex:1;justify-content:center}
  .page-wrap{height:auto;min-height:100vh;overflow-y:visible;scroll-snap-type:none;scroll-behavior:auto}
  @supports(min-height:100svh){.page-wrap{min-height:100svh}}
  @supports(min-height:100dvh){.page-wrap{min-height:100dvh}}
  /* hero */
  #s0{min-height:760px;padding-top:0;padding-bottom:0}
  .hero-headline{position:relative;top:auto;margin-top:88px;padding:0 16px}
  .hero-headline::before{width:100%;height:180px}
  .hero-headline .h1,.hero-headline .h1 strong{font-size:28px;line-height:1.35}
  .hero-headline .h1 strong{margin-top:4px}
  #s0 .si{flex:0;align-items:flex-start;padding:24px 16px 96px}
  .hero-content{max-width:none;margin-left:0;width:100%}
  .hero-desc{font-size:14px;max-width:none;margin-bottom:24px;line-height:1.6}
  .hero-text{max-width:none}
  .hero-btns{gap:12px}
  .hbtn{flex:1;padding:13px 12px}
  .stats-row{flex-wrap:wrap;gap:8px}
  .stat-num{font-size:22px}
  .stat-label{font-size:11px}
  /* 所有网格 */
  .phil-grid,.feat-row,.feat-row.r,.tech-grid,.app-grid,.dla-grid,.num-cards,.fgrid,.dl-grid{grid-template-columns:1fr;direction:ltr}
  .tech-hero{grid-template-columns:1fr;gap:14px}
  .tech-copy{min-height:auto;display:block}
  .tech-copy .tech-intro{max-width:none}
  .tech-visual{padding-top:0}
  .tech-card{padding:18px}
  /* 核心能力 */
  .feat-block{padding:12px 0 24px}
  .feat-tab-nav{padding:0 8px;margin-bottom:24px}
  .feat-panels{padding:0 8px}
  .feat-panel.active{grid-template-columns:1fr;gap:18px}
  .feat-panel>div:first-child{max-width:none}
  .feat-img{order:-1}
  .feat-tab-nav{flex-wrap:wrap}
  .ftab{flex:1 0 45%;padding:8px 10px 10px}
  .ftab-num{font-size:10px}
  .ftab-name{font-size:11px}
  .fprev,.fnext{display:none}
  .feat-title{font-size:20px}
  .feat-desc{font-size:13px;line-height:1.8}
  /* shield */
  .shield-stage{width:200px;height:178px}
  .shield-platform{width:168px;height:48px}
  .platform-halo{width:188px;height:54px}
  .shield-float{width:118px;bottom:38px}
  .platform-rays{width:172px;height:106px}
  /* 关于我们 */
  .about-bottom{grid-template-columns:1fr;gap:20px}
  .about-img-ph{min-height:180px}
  .about-contact{flex-direction:column;gap:16px}
  .about-team{max-width:none}
  /* 申请试用 */
  .confirm-box{max-width:none;width:100%;padding:24px}
  .confirm-key{font-size:11px}
  /* 适配平台 */
  .pbadge{font-size:10px;padding:2px 10px}
  .plat-pill{font-size:10px;padding:4px 10px}
  /* snap sections */
  .snap-s,.free-s{min-height:auto;padding-top:60px;padding-bottom:40px}
  .free-s{padding-top:60px}
  /* 整体 footer */
  #s7{padding-bottom:60px}
}

@media(max-width:420px){
  .nav-r{display:none}
  .mobile-auth{display:flex}
  .mobile-auth .nav-user-email{max-width:150px;padding:8px 4px}
}

@media(max-width:360px){
  .nav-inner{padding:8px 10px}
  .logo{padding:5px 8px;gap:7px}
  .logo img{width:30px;height:30px}
  .logo-cn{font-size:10px;white-space:nowrap}
  .logo-en{font-size:8px;white-space:nowrap}
  .mobile-nav{top:57px;left:8px;right:8px}
  #s0{min-height:680px}
  .hero-headline{margin-top:76px;padding:0 12px}
  .hero-headline .h1,.hero-headline .h1 strong{font-size:24px;line-height:1.3}
  #s0 .si{padding:18px 12px 72px}
  .hero-desc{font-size:13px;line-height:1.55;margin-bottom:18px}
  .hero-btns{gap:8px}
  .hbtn{padding:11px 8px;font-size:13px}
  .footer{padding:20px 12px}
  .footer-l,.footer-r{font-size:11px;text-align:center}
}