:root {
  --bg: #F7F8FA;
  --bg2: #EDEEF2;
  --navy: #0A1628;
  --blue: #0057FF;
  --blue-mid: #1A6FFF;
  --blue-soft: #E8EFFF;
  --gold: #D4921C;
  --gold-light: #F5B63C;
  --accent: #00D4FF;
  --text: #0A1628;
  --text-mid: #4A5568;
  --text-light: #8896A5;
  --white: #FFFFFF;
  --border: rgba(10,22,40,0.08);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px; height: 64px;
  background: rgba(247,248,250,0.92); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); transition: height 0.3s, box-shadow 0.3s;
}
nav.scrolled { height: 56px; box-shadow: 0 2px 24px rgba(0,87,255,0.06); }
.nav-logo {
  font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.15rem;
  color: var(--navy); letter-spacing: -0.03em; display: flex; align-items: center; gap: 8px;
}
.nav-logo-globe { display: inline-flex; align-items: center; flex-shrink: 0; }
.nav-logo-globe svg { display: block; }
.nav-logo a {
  text-decoration: none; /* 去掉下划线 */
  color: inherit;         /* 继承父元素的文字颜色，不变成蓝色 */
  display: flex;          /* 保持对齐方式（如果有的话） */
  align-items: center;    /* 垂直居中 */
  cursor: pointer;        /* 鼠标悬停显示手型 */
}


.nav-logo a:hover {
  color: inherit;
  text-decoration: none;
}
.nav-logo span { color: var(--blue); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-family: 'Outfit', sans-serif; font-size: 0.85rem; font-weight: 500;
  color: var(--text-mid); text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover { color: var(--navy); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-date {
  font-family: 'Outfit', sans-serif; font-size: 0.75rem; font-weight: 600;
  color: var(--blue); background: var(--blue-soft); padding: 5px 12px; border-radius: 100px;
}
.nav-cta {
  font-family: 'Outfit', sans-serif; font-size: 0.82rem; font-weight: 700;
  background: var(--blue); color: var(--white);
  padding: 9px 20px; border: none; border-radius: 6px; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.nav-cta:hover { background: #0048D9; transform: translateY(-1px); }

/* ══════════════════════════════════════════
   HERO — light Klein-blue / frosted glass
   ══════════════════════════════════════════ */
#hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 120px 52px 80px; overflow: hidden;
  background: #ffffff;
}

/* Animated Klein-blue gradient mesh */
.hero-mesh {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 70% at 105% 10%, rgba(0,71,171,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at -10% 90%, rgba(0,71,171,0.13) 0%, transparent 55%),
    radial-gradient(ellipse 40% 60% at 55% 50%, rgba(0,87,255,0.06) 0%, transparent 60%);
  animation: meshDrift 12s ease-in-out infinite alternate;
}
@keyframes meshDrift {
  0%   { background-position: 0% 0%; opacity: 1; }
  50%  { opacity: 0.8; }
  100% { background-position: 3% 5%; opacity: 1; }
}

/* Second animated blob */
.hero-blob {
  position: absolute; pointer-events: none;
  border-radius: 50%; filter: blur(80px);
}
.hero-blob-1 {
  width: 700px; height: 700px; top: -200px; right: -180px;
  background: radial-gradient(circle, rgba(0,71,171,0.22) 0%, transparent 65%);
  animation: blobFloat1 14s ease-in-out infinite;
}
.hero-blob-2 {
  width: 500px; height: 500px; bottom: -150px; left: -100px;
  background: radial-gradient(circle, rgba(0,100,255,0.14) 0%, transparent 65%);
  animation: blobFloat2 10s ease-in-out infinite;
}
.hero-blob-3 {
  width: 360px; height: 360px; top: 30%; right: 28%;
  background: radial-gradient(circle, rgba(0,180,255,0.1) 0%, transparent 65%);
  animation: blobFloat3 16s ease-in-out infinite;
}
@keyframes blobFloat1 { 0%,100%{transform:translate(0,0) scale(1);} 33%{transform:translate(-30px,25px) scale(1.05);} 66%{transform:translate(20px,-20px) scale(0.96);} }
@keyframes blobFloat2 { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(25px,-30px) scale(1.08);} }
@keyframes blobFloat3 { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-20px,20px) scale(1.1);} }

/* Fine dot grid */
.hero-dots {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(0,71,171,0.18) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  opacity: 0.5;
}

/* ═══════════════════════════════
   METEOR — golden fireball arc
   ═══════════════════════════════ */
.hero-meteor-layer {
  position: absolute; inset: 0; pointer-events: none; z-index: 1; overflow: hidden;
}

/* Main comet body */
.meteor {
  position: absolute;
  top: -40%; right: 18%;
  width: 900px; height: 900px;
  animation: meteorFly 3s cubic-bezier(0.22,0.6,0.36,1) 0.2s both;
  transform-origin: top right;
}
@keyframes meteorFly {
  0%   { transform: translate(280px,-260px) rotate(-38deg) scale(0.6); opacity:0; }
  30%  { opacity:1; }
  100% { transform: translate(-60px, 80px) rotate(-38deg) scale(1); opacity:1; }
}

/* Tail / streak */
.meteor-tail {
  position: absolute; top: 50%; left: 50%;
  width: 680px; height: 28px;
  transform: translate(-100%, -50%) rotate(0deg);
  background: linear-gradient(to right, transparent, rgba(255,160,30,0.08), rgba(255,120,10,0.35), rgba(255,190,60,0.7), transparent);
  filter: blur(6px);
  border-radius: 50%;
}
.meteor-tail-2 {
  position: absolute; top: 50%; left: 50%;
  width: 520px; height: 14px;
  transform: translate(-100%, -50%);
  background: linear-gradient(to right, transparent, rgba(255,200,80,0.5), rgba(255,230,120,0.9), white);
  filter: blur(2px);
  border-radius: 50%;
}

/* Core fireball */
.meteor-core {
  position: absolute; top: 50%; left: 50%;
  width: 120px; height: 120px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff 0%, #FFE066 20%, #FF8C10 50%, #D4400A 80%, transparent 100%);
  box-shadow:
    0 0 30px 14px rgba(255,160,30,0.55),
    0 0 80px 40px rgba(255,100,0,0.25),
    0 0 160px 80px rgba(255,80,0,0.1);
  animation: coreFlicker 0.18s ease-in-out infinite alternate;
}
@keyframes coreFlicker {
  0%  { transform:translate(-50%,-50%) scale(1);   box-shadow: 0 0 30px 14px rgba(255,160,30,0.55), 0 0 80px 40px rgba(255,100,0,0.25); }
  100%{ transform:translate(-50%,-50%) scale(1.07); box-shadow: 0 0 40px 20px rgba(255,180,40,0.7),  0 0 100px 50px rgba(255,120,0,0.3); }
}

/* Spark particles trailing */
.meteor-sparks {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.spark {
  position: absolute; border-radius: 50%;
  background: #FFD060;
  animation: sparkDrift linear infinite;
}
@keyframes sparkDrift {
  0%   { transform: translate(0,0) scale(1); opacity:0.9; }
  100% { transform: translate(var(--sx), var(--sy)) scale(0); opacity:0; }
}

/* Afterglow streak that stays */
.meteor-glow-trail {
  position: absolute; top: 38%; left: 5%;
  width: 70%; height: 3px;
  background: linear-gradient(to right, transparent, rgba(255,160,30,0.0), rgba(255,160,30,0.25), rgba(255,220,80,0.5), transparent);
  filter: blur(3px);
  transform: rotate(-38deg);
  transform-origin: right center;
  animation: trailFade 3s 1.5s both;
}
@keyframes trailFade {
  0%  { opacity:0; width:0%; }
  40% { opacity:1; }
  100%{ opacity:0.3; width:75%; }
}

/* ════════════════════════════════
   FROSTED GLASS CONTENT PANEL
   ════════════════════════════════ */
.hero-glass {
  position: relative; z-index: 3;
  width: 100%;
  max-width: 680px;
  margin-right: 400px; /* shift left of center to balance the right stat cards */
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: 2px;
  padding: 52px 56px;
  box-shadow:
    0 8px 48px rgba(0,71,171,0.1),
    0 2px 16px rgba(0,71,171,0.06),
    inset 0 1px 0 rgba(255,255,255,0.9);
  opacity: 0; animation: glassFadeIn 0.9s 0.3s forwards;
}
@keyframes glassFadeIn {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:translateY(0); }
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Outfit', sans-serif; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--blue);
  margin-bottom: 20px;
}
.hero-tag-dot {
  width: 6px; height: 6px; background: var(--blue); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.4;transform:scale(0.7);} }
.hero-org-line {
  font-family: 'Outfit', sans-serif; font-size: 0.78rem; font-weight: 500;
  color: var(--text-light); margin-bottom: 18px; letter-spacing: 0.02em;
}
h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.6rem, 5.5vw, 5rem); font-weight: 800;
  line-height: 1.0; letter-spacing: -0.04em; color: var(--navy); margin-bottom: 20px;
}
h1 .hl  { color: var(--blue); }
h1 .hl2 { color: var(--gold); }
.hero-desc {
  font-family: 'Inter', sans-serif; font-size: 0.98rem; font-weight: 400;
  color: var(--text-mid); line-height: 1.75; max-width: 520px; margin-bottom: 32px;
}

/* Meta bar — frosted pill strip */
.hero-meta-bar {
  display: flex; align-items: center; margin-bottom: 32px;
  background: rgba(0,71,171,0.06);
  border: 1px solid rgba(0,71,171,0.14); width: fit-content;
}
.hero-meta-item { padding: 10px 22px; border-right: 1px solid rgba(0,71,171,0.1); }
.hero-meta-item:last-child { border-right: none; }
.hmi-label {
  font-family: 'Outfit', sans-serif; font-size: 0.58rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: rgba(0,71,171,0.45); margin-bottom: 2px;
}
.hmi-val {
  font-family: 'Outfit', sans-serif; font-size: 0.88rem; font-weight: 700; color: var(--navy);
}

/* Countdown */
.countdown {
  display: flex; align-items: flex-end; gap: 4px; margin-bottom: 36px;
}
.count-block {
  background: rgba(255,255,255,0.8); border: 1px solid rgba(0,87,255,0.2);
  padding: 10px 16px; min-width: 66px; text-align: center;
  backdrop-filter: blur(6px); border-radius: 2px;
  box-shadow: 0 2px 12px rgba(0,71,171,0.08);
}
.count-num {
  font-family: 'Outfit', sans-serif; font-size: 1.85rem; font-weight: 800;
  color: var(--navy); line-height: 1; display: block;
}
.count-lbl {
  font-family: 'Outfit', sans-serif; font-size: 0.52rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-light); margin-top: 3px; display: block;
}
.count-sep { font-family: 'Outfit', sans-serif; font-size: 1.6rem; font-weight: 300; color: rgba(0,87,255,0.25); padding-bottom: 18px; }

/* Buttons */
.hero-btns { display: flex; gap: 12px; }
.btn-hero-primary {
  text-decoration: none;
  font-family: 'Outfit', sans-serif; font-size: 0.88rem; font-weight: 700;
  background: var(--blue); color: var(--white); padding: 14px 32px;
  border: none; border-radius: 6px; cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 24px rgba(0,87,255,0.3);
}
.hero-btns a {
  text-decoration: none !important; /* 强制去下划线 */
  color: inherit;                 /* 继承颜色，不使用默认蓝 */
  display: inline-block;          /* 确保布局不塌陷 */
}
.btn-hero-primary:hover { background: #0048D9; transform: translateY(-2px); box-shadow: 0 8px 36px rgba(0,87,255,0.42); }
.btn-hero-outline {
  font-family: 'Outfit', sans-serif; font-size: 0.88rem; font-weight: 600;
  background: transparent; color: var(--navy);
  padding: 14px 32px; border: 1.5px solid rgba(10,22,40,0.22);
  border-radius: 6px; cursor: pointer; transition: all 0.2s;
}
.btn-hero-outline:hover { border-color: var(--blue); color: var(--blue); background: rgba(0,87,255,0.04); }

/* Stat cards — floating right */
.hero-right {
  position: absolute; right: 52px; top: 50%; transform: translateY(-50%);
  z-index: 4; display: flex; flex-direction: column; gap: 12px;
  opacity: 0; animation: fadeLeft 0.9s 0.9s forwards;
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateY(-50%) translateX(40px); }
  to   { opacity: 1; transform: translateY(-50%) translateX(0); }
}
.hero-stat-card {
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.9);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  padding: 22px 28px; min-width: 190px;
  box-shadow: 0 4px 24px rgba(0,71,171,0.1), 0 1px 4px rgba(0,71,171,0.06);
  position: relative; overflow: hidden; border-radius: 2px;
}
.hero-stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2.5px;
  background: linear-gradient(90deg, var(--blue), #00C6FF);
}
.hsc-num { font-family: 'Outfit', sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--navy); line-height: 1; margin-bottom: 5px; }
.hsc-label { font-family: 'Inter', sans-serif; font-size: 0.73rem; color: var(--text-mid); line-height: 1.4; }

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 36px; left: 52px; z-index: 4;
  display: flex; align-items: center; gap: 12px;
  opacity: 0; animation: fadeIn 1s 1.8s forwards;
}
.scroll-hint span { font-family: 'Outfit', sans-serif; font-size: 0.6rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(0,71,171,0.4); }
.scroll-arrow { width: 1px; height: 32px; background: linear-gradient(to bottom, rgba(0,87,255,0.5), transparent); animation: arrowBounce 2s ease-in-out infinite; }
@keyframes arrowBounce { 0%,100%{transform:scaleY(1);} 50%{transform:scaleY(1.3);} }
@keyframes fadeUp { from{opacity:0;transform:translateY(24px);} to{opacity:1;transform:translateY(0);} }
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
canvas#hero-canvas { display:none; }
@media (max-width:1100px) { .hero-right { display:none; } .meteor{ width:600px; height:600px; } .hero-glass { margin-right: 0; } }
@media (max-width:900px) { .meteor{ width:380px; height:380px; } .hero-glass{ padding:36px 28px; margin-right:0; } }

/* ── SHARED ── */
.sec-tag {
  font-family: 'Outfit', sans-serif; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue);
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.sec-tag::before { content: ''; width: 20px; height: 2px; background: var(--blue); border-radius: 1px; }
h2 {
  font-family: 'Outfit', sans-serif; font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.03em; color: var(--navy); line-height: 1.1;
}
h3 { font-family: 'Outfit', sans-serif; font-weight: 700; color: var(--navy); }
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.rd1{transition-delay:.05s;} .rd2{transition-delay:.12s;} .rd3{transition-delay:.19s;}
.rd4{transition-delay:.26s;} .rd5{transition-delay:.33s;} .rd6{transition-delay:.4s;}

/* ── VISION ── */
#vision { padding: 40px 52px 100px; background: var(--bg); }
.vision-inner { max-width: 1240px; margin: 0 auto; }

/* Top label row */
.vision-label {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 56px;
}
.vision-label p {
  font-family: 'Inter', sans-serif; font-size: 0.88rem; color: var(--text-light);
  max-width: 380px; line-height: 1.7; text-align: right;
}

/* Two hero cards side by side */
.vision-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3px; margin-bottom: 3px;
}

/* SMARTER card — light */
.vcard-smarter {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 60px 56px;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  min-height: 380px;
}
.vcard-smarter::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), #00C6FF);
}
/* Big background word */
.vcard-smarter::after {
  content: 'SMARTER';
  position: absolute; bottom: -12px; right: -8px;
  font-family: 'Outfit', sans-serif; font-size: 7rem; font-weight: 900;
  color: rgba(0,87,255,0.04); letter-spacing: -0.05em;
  line-height: 1; pointer-events: none; user-select: none;
  white-space: nowrap;
}

/* SAFER card — dark */
.vcard-safer {
  background: var(--navy);
  padding: 60px 56px;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  min-height: 380px;
}
.vcard-safer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}
.vcard-safer::after {
  content: 'SAFER';
  position: absolute; bottom: -12px; right: -8px;
  font-family: 'Outfit', sans-serif; font-size: 7rem; font-weight: 900;
  color: rgba(255,255,255,0.04); letter-spacing: -0.05em;
  line-height: 1; pointer-events: none; user-select: none;
}

.vcard-eyebrow {
  font-family: 'Outfit', sans-serif; font-size: 0.65rem; font-weight: 800;
  letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 20px;
}
.vcard-smarter .vcard-eyebrow { color: var(--blue); }
.vcard-safer .vcard-eyebrow   { color: var(--gold-light); }

.vcard-headline {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.05;
  margin-bottom: 28px; position: relative; z-index: 1;
}
.vcard-smarter .vcard-headline { color: var(--navy); }
.vcard-safer .vcard-headline   { color: var(--white); }

.vcard-safer .vcard-headline .hl-gold { color: var(--gold-light); }

.vcard-body {
  font-family: 'Inter', sans-serif; font-size: 0.9rem; line-height: 1.7;
  position: relative; z-index: 1;
  padding-top: 24px; border-top: 1px solid;
}
.vcard-smarter .vcard-body { color: var(--text-mid); border-color: var(--border); }
.vcard-safer .vcard-body   { color: rgba(255,255,255,0.5); border-color: rgba(255,255,255,0.08); }

/* Stats strip */
.vision-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 3px;
}
.v-stat {
  background: var(--white); padding: 28px 24px; text-align: center;
  border: 1px solid var(--border); transition: border-color 0.2s, box-shadow 0.2s;
}
.v-stat:hover { border-color: var(--blue); box-shadow: 0 4px 20px rgba(0,87,255,0.08); }
.v-stat-num {
  font-family: 'Outfit', sans-serif; font-size: 2.4rem; font-weight: 800;
  color: var(--navy); line-height: 1; margin-bottom: 6px;
}
.v-stat-num span { color: var(--blue); }
.v-stat-desc { font-size: 0.73rem; color: var(--text-light); line-height: 1.5; }

@media (max-width: 900px) {
  .vision-split { grid-template-columns: 1fr; }
  .vision-stats { grid-template-columns: 1fr 1fr; }
  .vision-label { flex-direction: column; align-items: flex-start; gap: 12px; }
  .vision-label p { text-align: left; }
}

/* ── TRACKS ── */
#tracks { padding: 100px 52px; background: var(--bg); }
.tracks-inner { max-width: 1240px; margin: 0 auto; }
.tracks-hd { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 48px; }
.tracks-hd p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.8; }
.tracks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.track-card { background: var(--white); border: 1px solid var(--border); padding: 44px 40px; position: relative; overflow: hidden; transition: box-shadow 0.3s, transform 0.3s; }
.track-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(10,22,40,0.1); }
.track-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.track-1::after { background: linear-gradient(90deg, var(--blue), var(--accent)); }
.track-2::after { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.track-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; }
.track-num-badge { font-family: 'Outfit', sans-serif; font-size: 0.65rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 12px; border-radius: 4px; }
.track-1 .track-num-badge { background: var(--blue-soft); color: var(--blue); }
.track-2 .track-num-badge { background: #FFF4E0; color: var(--gold); }
.track-icon { font-size: 2rem; }
.track-card h3 { font-family: 'Outfit', sans-serif; font-size: 1.4rem; font-weight: 800; letter-spacing: -0.03em; color: var(--navy); margin-bottom: 6px; }
.track-sub { font-size: 0.83rem; color: var(--text-light); margin-bottom: 28px; font-style: italic; }
.track-items { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.track-items li { display: flex; gap: 14px; font-size: 0.875rem; color: var(--text-mid); line-height: 1.6; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.track-items li:last-child { border-bottom: none; padding-bottom: 0; }
.ti-dot { width: 18px; height: 18px; border-radius: 4px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 0.6rem; font-weight: 700; margin-top: 2px; }
.track-1 .ti-dot { background: var(--blue-soft); color: var(--blue); }
.track-2 .ti-dot { background: #FFF4E0; color: var(--gold); }
.track-items li strong { font-weight: 600; color: var(--navy); display: block; margin-bottom: 3px; font-size: 0.85rem; }

/* ── AGENDA ── */
#agenda { padding: 100px 52px; background: var(--white); }
.agenda-inner { max-width: 960px; margin: 0 auto; }
.agenda-hd { margin-bottom: 48px; }
.agenda-hd h2 { margin-bottom: 8px; }
.agenda-hd p { color: var(--text-mid); font-size: 0.9rem; }
.agenda-list { display: flex; flex-direction: column; }
.agenda-row { display: grid; grid-template-columns: 140px 180px 1fr; border-bottom: 1px solid var(--border); transition: background 0.15s; }
.agenda-row:first-child { border-top: 1px solid var(--border); }
.agenda-row:hover { background: var(--bg); }
.agenda-cell { padding: 22px 20px; }
.ag-time { font-family: 'Outfit', sans-serif; font-size: 0.8rem; font-weight: 700; color: var(--blue); white-space: nowrap; }
.ag-session { font-family: 'Outfit', sans-serif; font-size: 0.82rem; font-weight: 700; color: var(--navy); display: flex; flex-direction: column; gap: 6px; }
.ag-badge { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 8px; border-radius: 3px; width: fit-content; }
.bg-key { background: var(--blue-soft); color: var(--blue); }
.bg-panel { background: #FFF4E0; color: var(--gold); }
.bg-special { background: #F0FFF4; color: #16803A; }
.bg-goh { background: var(--navy); color: var(--white); }
.ag-content { font-size: 0.85rem; color: var(--text-mid); line-height: 1.7; }
.ag-content strong { font-weight: 600; color: var(--navy); }
.ag-content ul { padding-left: 14px; margin-top: 8px; display: flex; flex-direction: column; gap: 4px; }
.ag-content ul li { font-size: 0.82rem; }
.gala-block { margin-top: 24px; background: var(--navy); padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.gala-info h3 { color: var(--white); font-size: 1.05rem; margin-bottom: 6px; font-family: 'Outfit', sans-serif; font-weight: 700; }
.gala-info p { color: rgba(255,255,255,0.45); font-size: 0.82rem; }
.gala-time { font-family: 'Outfit', sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--gold-light); white-space: nowrap; }

/* ── MILESTONES ── */
#milestones { padding: 100px 52px; background: var(--bg); }
.milestones-inner { max-width: 1240px; margin: 0 auto; }
.milestones-hd { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 64px; }
.milestones-hd p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.8; }
.timeline { display: flex; flex-direction: column; position: relative; }
.timeline::before { content: ''; position: absolute; left: 100px; top: 12px; bottom: 12px; width: 1px; background: linear-gradient(to bottom, var(--blue), var(--border) 80%); }
.tl-item { display: grid; grid-template-columns: 100px 1fr; padding: 0 0 56px 0; position: relative; }
.tl-item:last-child { padding-bottom: 0; }
.tl-date { font-family: 'Outfit', sans-serif; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em; color: var(--text-light); text-align: right; padding-right: 28px; padding-top: 3px; }
.tl-dot { position: absolute; left: 100px; top: 8px; width: 8px; height: 8px; background: var(--blue); border-radius: 50%; transform: translate(-50%, 0); border: 2px solid var(--bg); z-index: 1; }
.tl-body { padding-left: 28px; }
.tl-title { font-family: 'Outfit', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; line-height: 1.4; }
.tl-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.tl-list li { font-size: 0.83rem; color: var(--text-mid); line-height: 1.6; display: flex; gap: 10px; align-items: flex-start; }
.tl-list li::before { content: ''; width: 5px; height: 5px; background: var(--blue); border-radius: 50%; flex-shrink: 0; margin-top: 7px; }
/* 确保图片充满时间轴的照片容器 */
.tl-actual-img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 核心属性：确保图片填充并裁剪，不会拉伸变形 */
  display: block;
  transition: transform 0.4s ease; /* 增加一个平滑的过渡效果 */
}

/* 容器样式微调 */
.tl-photo {
  width: 208px;  /* 从原来的尺寸往大调，比如 160px 或 200px */
  height: 130px; /* 保持一定的比例 */
  flex-shrink: 0; /* 防止在窄屏下被挤压 */
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: pointer; /* 增加点击感 */
}

/* 鼠标悬停时的互动效果（可选） */
.tl-photo:hover .tl-actual-img {
  transform: scale(1.08); /* 悬停时轻微放大 */
}

/* 确保页码标签始终在图片上方 */
.tl-photo-num {
  position: absolute;
  z-index: 2;
  /* 保持原有的样式即可 */
}
/* Photo strip */
.tl-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 4px;
}
.tl-photo {
  aspect-ratio: 4/3;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.tl-photo:hover { transform: scale(1.03); box-shadow: 0 6px 24px rgba(0,87,255,0.14); z-index: 1; }
.tl-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}
.tl-photo:hover img { transform: scale(1.06); }
/* Placeholder state (no real image) */
.tl-photo-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, #EDF0F7, #E0E6F5);
}
.tl-photo-placeholder svg { opacity: 0.28; }
.tl-photo-placeholder span {
  font-family: 'Outfit', sans-serif; font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(0,87,255,0.35);
}
.tl-photo-num {
  position: absolute; bottom: 6px; right: 8px;
  font-family: 'Outfit', sans-serif; font-size: 0.55rem; font-weight: 700;
  color: rgba(0,71,171,0.4); letter-spacing: 0.08em;
}


/* ── SPEAKERS ── */
#speakers {
  padding: 80px 0;
  background: var(--bg);
  overflow: hidden;
}
.speakers-inner { max-width: 100%; }

.speakers-hd {
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 0 52px; margin-bottom: 44px;
}
.speakers-hd-left {}
.speakers-learn-more {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Outfit', sans-serif; font-size: 0.82rem; font-weight: 700;
  color: var(--blue); text-decoration: none; letter-spacing: -0.01em;
  border-bottom: 1.5px solid rgba(0,87,255,0.25);
  padding-bottom: 2px; transition: border-color 0.2s, gap 0.2s;
  flex-shrink: 0; margin-bottom: 6px;
}
.speakers-learn-more:hover { border-color: var(--blue); gap: 14px; }
.speakers-learn-more svg { transition: transform 0.2s; }
.speakers-learn-more:hover svg { transform: translateX(3px); }

/* Scrolling track */
.speakers-scroll-wrap {
  position: relative;
  /* Fade masks on sides */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}
.speakers-track {
  display: flex; gap: 16px;
  width: max-content;
  animation: speakerScroll 40s linear infinite;
}
.speakers-track:hover { animation-play-state: paused; }
@keyframes speakerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Individual speaker card */
.spk-scroll-card {
  width: 240px; flex-shrink: 0;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 0 0 20px 0;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
  cursor: default;
  overflow: hidden;
}
.spk-scroll-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,87,255,0.12);
  border-color: rgba(0,87,255,0.3);
  z-index: 1;
}

/* Photo placeholder */
.spk-photo {
  width: 100%; aspect-ratio: 3/2.4;
  background: linear-gradient(135deg, #E8EDF8, #D4DFEF);
  position: relative; overflow: hidden; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
}
.spk-photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.spk-photo-ph {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  width: 100%; height: 100%; justify-content: center;
}
.spk-photo-ph svg { opacity: 0.22; }
.spk-photo-ph span {
  font-family: 'Outfit', sans-serif; font-size: 0.58rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: rgba(0,71,171,0.35);
}

/* Card text */
.spk-card-body { padding: 0 18px; }
.spk-scroll-name {
  font-family: 'Outfit', sans-serif; font-size: 0.82rem; font-weight: 800;
  color: var(--navy); margin-bottom: 4px; line-height: 1.3; letter-spacing: -0.01em;
}
.spk-scroll-title {
  font-family: 'Inter', sans-serif; font-size: 0.69rem; color: var(--text-light);
  line-height: 1.5; margin-bottom: 8px;
}
.spk-scroll-org {
  font-family: 'Outfit', sans-serif; font-size: 0.68rem; font-weight: 700;
  color: var(--blue); letter-spacing: -0.01em;
}
.spk-actual-img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 裁剪图片以填充容器，不会变形 */
  display: block;
}


/* ── LAUNCH ── */
#launch {
  padding: 100px 52px;
  background: var(--white);
  position: relative; overflow: hidden;
}
/* Diagonal blue accent band top-right */
#launch::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 55%; height: 100%;
  background: linear-gradient(135deg, transparent 30%, rgba(0,71,171,0.05) 30%, rgba(0,71,171,0.05) 100%);
  pointer-events: none;
}
/* Klein-blue glow orb bottom-left */
#launch::after {
  content: '';
  position: absolute; bottom: -80px; left: -80px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(0,71,171,0.1) 0%, transparent 65%);
  border-radius: 50%; pointer-events: none;
  filter: blur(40px);
}

.launch-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  position: relative; z-index: 1;
}

/* LEFT: text + buttons */
.launch-left {}
#launch .sec-tag { color: var(--blue); justify-content: flex-start; }
#launch .sec-tag::before { background: var(--blue); }
#launch h2 { color: var(--navy); margin-bottom: 16px; }
.launch-desc {
  color: var(--text-mid); font-size: 0.95rem; line-height: 1.6;
  max-width: 440px; margin: 0 0 6px;
}
.launch-desc-alt {
  color: var(--text-mid); font-size: 0.95rem; line-height: 1.6;
  max-width: 440px; margin: 0 0 30px;
}
.launch-btns { display: flex; gap: 12px; }
.btn-launch-primary {
  text-decoration: none;font-family: 'Outfit', sans-serif; font-size: 0.88rem; font-weight: 700;
  background: var(--blue); color: var(--white);
  padding: 14px 32px; border: none; border-radius: 6px; cursor: pointer;
  transition: all 0.2s; box-shadow: 0 4px 20px rgba(0,87,255,0.3);
}
.btn-launch-primary:hover { background: #0048D9; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,87,255,0.4); }
.btn-launch-outline {
  text-decoration: none;
  font-family: 'Outfit', sans-serif; font-size: 0.88rem; font-weight: 600;
  background: transparent; color: var(--navy);
  padding: 14px 32px; border: 1.5px solid rgba(10,22,40,0.2);
  border-radius: 6px; cursor: pointer; transition: all 0.2s;
}
.btn-launch-outline:hover { border-color: var(--blue); color: var(--blue); }

/* RIGHT: partner chips in a box */
.launch-right {}
.launch-partners-box {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 32px 28px;
  position: relative;
}
.launch-partners-box::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), #00C6FF);
}
.launch-partners-label {
  font-family: 'Outfit', sans-serif; font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-light); margin-bottom: 18px;
}
.partners-grid {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 0;
}
.p-chip {
  font-family: 'Outfit', sans-serif; font-size: 0.71rem; font-weight: 600;
  padding: 7px 14px;
  background: var(--white); border: 1px solid var(--border);
  color: var(--text-mid); border-radius: 100px; transition: all 0.2s;
}
.p-chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.launch-partner-count {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border);
  font-family: 'Outfit', sans-serif; font-size: 0.78rem; color: var(--text-light);
  display: flex; align-items: center; gap: 8px;
}
.launch-partner-count strong { color: var(--blue); font-weight: 800; font-size: 1.1rem; }
/* ── BENCHMARK BOX (LAUNCH RIGHT) ── */
.launch-benchmark-box {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 36px 32px;
  position: relative;
  border-radius: 6px;
  box-shadow: 0 12px 40px rgba(10,22,40,0.04);
}
.launch-benchmark-box::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  border-radius: 6px 6px 0 0;
}
.lb-label {
  font-family: 'Outfit', sans-serif; font-size: 0.68rem; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 24px;
  display: flex; align-items: center; gap: 8px;
}
.lb-label::before { content: ''; width: 12px; height: 2px; background: var(--blue); }

.lb-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.lb-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px; border-radius: 8px;
  background: var(--bg); border: 1px solid transparent;
  transition: all 0.25s ease;
}
.lb-item:hover {
  background: var(--white); border-color: var(--blue-soft);
  box-shadow: 0 8px 24px rgba(0,87,255,0.08); 
  transform: translateY(-2px);
}
.lb-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--blue-soft); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); margin-top: 2px;
}
.lb-text h4 {
  font-family: 'Outfit', sans-serif; font-size: 0.95rem; font-weight: 700;
  color: var(--navy); margin-bottom: 6px; line-height: 1.2;
}
.lb-text p {
  font-family: 'Inter', sans-serif; font-size: 0.82rem;
  color: var(--text-mid); line-height: 1.5; margin: 0;
}

.lb-footer {
  padding-top: 20px; border-top: 1px dashed rgba(10,22,40,0.12);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.75rem; color: var(--text-light); font-family: 'Outfit', sans-serif;
}
.lb-status {
  display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--navy);
}
.lb-status-dot {
  width: 6px; height: 6px; border-radius: 50%; background: #10B981; 
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  animation: pulseGreen 2s infinite;
}
@keyframes pulseGreen { 
  0%,100%{transform:scale(1);opacity:1;} 
  50%{transform:scale(0.85);opacity:0.6;} 
}
/* hide old btn variants only used in launch */
.btn-wh, .btn-outline-wh { display: none; }

/* ── FOOTER ── */
footer { background: #060E1C; padding: 56px 52px 36px; }
.footer-inner { max-width: 1240px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 64px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.06); margin-bottom: 28px; }
.f-brand h4 { font-family: 'Outfit', sans-serif; font-size: 1rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.f-brand h4 span { color: var(--blue-mid); }
.f-brand p { font-size: 0.8rem; color: rgba(255,255,255,0.3); line-height: 1.7; }
.f-col h5 { font-family: 'Outfit', sans-serif; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 14px; }
.f-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.f-col a { font-size: 0.82rem; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
.f-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.18); }
.f-aade { font-family: 'Outfit', sans-serif; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.2); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) { .hero-right { display: none; } h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); } }
@media (max-width: 900px) {
  nav { padding: 0 24px; } .nav-links { display: none; }
  #hero, #vision, #tracks, #agenda, #milestones, #speakers, #launch, footer { padding-left: 24px; padding-right: 24px; }
  .vision-top, .tracks-hd, .milestones-hd, .speakers-hd { grid-template-columns: 1fr; gap: 28px; }
  .tracks-grid { grid-template-columns: 1fr; }
  .speakers-grid { grid-template-columns: repeat(2, 1fr); }
  .agenda-row { grid-template-columns: 1fr; }
  .agenda-cell { padding: 12px 16px; }
  .tl-date { display: none; } .timeline::before { left: 0; } .tl-dot { left: 0; }
  .tl-item { grid-template-columns: 1fr; } .tl-body { padding-left: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .hero-meta-bar { flex-wrap: wrap; }
}



/* ── SMARTER card: circuit-board photo + deep frosted glass overlay ── */
.vcard-smarter {
  background-image:
    linear-gradient(
      140deg,
      rgba(246, 248, 235, 0.673) 0%,
      rgba(232,239,255,0.88) 45%,
      rgba(210,226,255,0.83) 75%,
      rgba(224, 234, 255, 0.888) 100%
    ),
    url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1000&q=80');
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat;
  /* frosted-glass shimmer border */
  border: 1px solid rgba(200,218,255,0.6);
}

/* Reinforce SMARTER top accent bar */
.vcard-smarter::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #0057FF, #00C6FF, #0057FF);
  background-size: 200% 100%;
  animation: accentSlide 4s linear infinite;
}
@keyframes accentSlide {
  0%   { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

/* ── SAFER card: flowing light-pink-blue × Klein-blue aurora gradient ── */
.vcard-safer {
  background-image:
    /* flowing aurora gradient — front layer */
    linear-gradient(
      125deg,
      rgba(0, 48, 158, 0.93)  0%,
      rgba(50, 110, 240, 0.80) 20%,
      rgba(73, 15, 221, 0.82) 38%,

      rgba(63, 109, 155, 0.84) 68%,
      rgba(30,  90,  220, 0.86) 82%,
      rgba(0,  55,  170, 0.94) 100%
    ),
    /* cyber tech photo — back layer */
    url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?w=1000&q=80');

  background-size: 380% 380%, cover;
  background-position: 0% 50%, center;
  background-repeat: no-repeat;

  /* override any leftover box-shadow */
  box-shadow: none;

  animation: saferAuroraFlow 18s ease-in-out infinite;
}

@keyframes saferAuroraFlow {
  0%   { background-position: 0%   50%,  center; }
  15%  { background-position: 75%  15%,  center; }
  35%  { background-position: 100% 75%,  center; }
  55%  { background-position: 40%  100%, center; }
  75%  { background-position: 80%  30%,  center; }
  100% { background-position: 0%   50%,  center; }
}

/* Drifting inner aurora orbs via inset shadows */
.vcard-safer {
  box-shadow:
    inset -220px -140px 260px rgba(180, 210, 255, 0.12),
    inset  160px  100px 220px rgba(0,  30,  120, 0.22),
    inset   40px -160px 180px rgba(210, 185, 255, 0.10);
}

/* SAFER top accent bar — gold shimmer (unchanged colour, add animation) */
.vcard-safer::before {
  background: linear-gradient(90deg, var(--gold), var(--gold-light), #FFE999, var(--gold));
  background-size: 200% 100%;
  animation: accentSlide 3.5s linear infinite;
}

/* Watermark text: keep but add glow */
.vcard-safer::after {
  content: 'SAFER';
  position: absolute; bottom: -12px; right: -8px;
  font-family: 'Outfit', sans-serif; font-size: 7rem; font-weight: 900;
  color: rgba(255,255,255,0.09);
  letter-spacing: -0.05em;
  line-height: 1; pointer-events: none; user-select: none;
  text-shadow: 0 0 60px rgba(180,210,255,0.3);
}

/* Text legibility on the lighter aurora phases */
.vcard-safer .vcard-headline,
.vcard-safer .vcard-eyebrow {
  text-shadow: 0 2px 12px rgba(0, 20, 90, 0.45);
}
.vcard-safer .vcard-body {
  color: rgba(230, 240, 255, 0.85);
  text-shadow: 0 1px 6px rgba(0, 15, 70, 0.4);
}
.vcard-safer .vcard-body {
  border-color: rgba(180, 210, 255, 0.2);
}

/* ── Scan-line pulse overlay for both cards — subtle tech feel ── */
.vcard-smarter::after {
  content: 'SMARTER';
  position: absolute; bottom: -12px; right: -8px;
  font-family: 'Outfit', sans-serif; font-size: 7rem; font-weight: 900;
  color: rgba(0, 87, 255, 0.05);
  letter-spacing: -0.05em;
  line-height: 1; pointer-events: none; user-select: none;
}


/* ═══════════════════════════════════════════════════════════════════
   PROGRAMME PREVIEW BLOCK  (Direction 1 redesign)
   ═══════════════════════════════════════════════════════════════════ */

.prog-block {
  margin-top: 0;      /* 移除顶部外边距 */
  padding-top: 0;     /* 移除顶部内边距 */
  /* border-top: 1px solid var(--border); 删掉或注释掉这行，分割线就没了 */
}

/* ── HEADLINE ── */
.prog-headline {
  margin-bottom: 36px;
}
.prog-hl-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem; font-weight: 800;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.prog-hl-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--blue);
  animation: pulse 2s ease-in-out infinite;
}
.prog-hl-text {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--navy);
  margin: 0;
}
.prog-hl-text em {
  font-style: normal;
  color: var(--blue);
}

/* ── 3:1 BODY ── */
.prog-body {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 0;
  align-items: stretch;
  min-height: 300px;
}

/* ── ROWS — left 3/4 ── */
.prog-rows {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.prog-row {
  display: flex;
  align-items: stretch;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  padding: 30px 36px;
  transition: filter 0.25s;
  cursor: pointer;
}
.prog-row:hover { filter: brightness(0.97); }

/* light gray-blue tints */
.prog-row-topics { background: #EEF3FB; }
.prog-row-agenda { background: #F0F4F9; }

/* left accent bar */
.prog-row::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  transition: width 0.3s;
}
.prog-row-topics::before { background: linear-gradient(180deg, var(--blue), #00C6FF); }
.prog-row-agenda::before { background: linear-gradient(180deg, var(--gold), var(--gold-light)); }
.prog-row:hover::before  { width: 5px; }

/* decorative background SVG icon */
.prog-row-bgicon {
  position: absolute;
  bottom: -18px; left: 24px;
  width: 130px; height: 130px;
  opacity: 0.055;
  color: var(--navy);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.4s;
}
.prog-row:hover .prog-row-bgicon {
  opacity: 0.09;
  transform: scale(1.04) rotate(4deg);
}

/* inner layout */
.prog-row-inner {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  position: relative; z-index: 1;
}

.prog-row-meta {
  display: flex; flex-direction: column; gap: 5px;
}
.prog-row-tag {
  font-family: 'Outfit', sans-serif;
  font-size: 0.6rem; font-weight: 800;
  letter-spacing: 0.15em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 3px;
  width: fit-content;
}
.prog-row-tag-blue { background: rgba(0,87,255,0.1); color: var(--blue); }
.prog-row-tag-gold { background: rgba(212,146,28,0.12); color: var(--gold); }

.prog-row-num {
  font-family: 'Outfit', sans-serif;
  font-size: 0.62rem; font-weight: 500;
  color: var(--text-light);
  white-space: nowrap;
}

.prog-row-content { flex: 1; }
.prog-row-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem; font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  line-height: 1.2;
}
.prog-row-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.prog-row-chips span {
  font-family: 'Outfit', sans-serif;
  font-size: 0.63rem; font-weight: 600;
  padding: 3px 10px; border-radius: 100px;
  border: 1px solid rgba(10,22,40,0.12);
  color: var(--text-mid);
  background: rgba(255,255,255,0.65);
  white-space: nowrap;
}

/* ── CTA BUTTON with pulse/slide animation ── */
.prog-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem; font-weight: 700;
  padding: 11px 22px; border-radius: 5px;
  white-space: nowrap;
  position: relative; overflow: hidden;
  transition: box-shadow 0.25s, transform 0.2s, gap 0.2s;
  cursor: pointer;
}
/* shimmer sweep */
.prog-btn::after {
  content: '';
  position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: skewX(-20deg);
  transition: left 0s;
}
.prog-row:hover .prog-btn::after {
  animation: btnShimmer 0.55s ease forwards;
}
@keyframes btnShimmer {
  0%   { left: -80%; }
  100% { left: 140%; }
}

.prog-btn-blue {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(0,87,255,0.25);
}
.prog-row:hover .prog-btn-blue {
  box-shadow: 0 8px 28px rgba(0,87,255,0.38);
  transform: translateY(-2px);
}

.prog-btn-gold {
  background: var(--gold);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(212,146,28,0.22);
}
.prog-row:hover .prog-btn-gold {
  box-shadow: 0 8px 28px rgba(212,146,28,0.35);
  transform: translateY(-2px);
}

/* arrow nudge */
.prog-btn-arrow { transition: transform 0.2s; flex-shrink: 0; }
.prog-row:hover .prog-btn-arrow { transform: translateX(4px); }

/* ── ROBOT WRAP — right 1/4 ── */
.prog-robot-wrap {
  background: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 28px 16px 20px;
  position: relative;
  overflow: hidden;
}
/* subtle animated gradient wash */
.prog-robot-wrap::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(0,87,255,0.22) 0%, transparent 65%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0,198,255,0.12) 0%, transparent 60%);
  animation: robotWash 8s ease-in-out infinite alternate;
}
@keyframes robotWash {
  0%   { opacity: 0.6; }
  100% { opacity: 1; }
}

#robotCanvas { position: relative; z-index: 1; }

/* speech bubble */
.prog-robot-bubble {
  position: relative; z-index: 1;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(0,198,255,0.25);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  padding: 10px 16px;
  text-align: center;
  margin-top: -4px;
}
.prog-robot-bubble::before {
  content: '';
  position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
  border: 8px solid transparent;
  border-bottom-color: rgba(0,198,255,0.25);
  border-top: none;
  width: 0; height: 0;
}
.prog-robot-bubble span {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(0,198,255,0.7);
  margin-bottom: 2px;
}
.prog-robot-bubble strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem; font-weight: 800;
  color: var(--white);
  line-height: 1.3;
}

/* ── RESPONSIVE ── */
@media (max-width: 1000px) {
  .prog-body { grid-template-columns: 1fr; }
  .prog-robot-wrap { flex-direction: row; padding: 20px 32px; gap: 20px; }
  #robotCanvas { width: 120px; height: 150px; }
  .prog-robot-bubble { text-align: left; }
  .prog-robot-bubble::before { display: none; }
}
@media (max-width: 700px) {
  .prog-row-inner { grid-template-columns: 1fr; gap: 12px; }
  .prog-row { padding: 22px 20px; }
  .prog-robot-wrap { display: none; }
}
/* ═══════════════════════════════════════════════════════════════════
   NETWORK NODE GRAPH  —  right panel
   ═══════════════════════════════════════════════════════════════════ */

/* override old robot-wrap sizing — keep dark bg, lose fixed padding */
.prog-robot-wrap {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #060F1E;
  padding: 0;              /* canvas fills the whole box */
}

#nodeCanvas {
  display: block;
  width: 100%;
  flex: 1;
  min-height: 260px;
}

.node-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
}

.node-caption-tag {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(0, 198, 255, 0.55);
  background: rgba(0, 87, 255, 0.08);
  border: 1px solid rgba(0, 198, 255, 0.15);
  padding: 5px 14px;
  border-radius: 100px;
  white-space: nowrap;
}


/* ── INTRO TEXT (Brief & Clean) ── */
.prog-intro {
  margin-bottom: 44px; /* 增加下方间距，让内容更透气 */
  max-width: 820px;    /* 进一步收窄宽度，提升阅读舒适度 */
  display: flex;
  flex-direction: column;
  gap: 20px;           /* 段落间距 */
}

.intro-p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-mid);
  margin: 0;
}

.intro-opener {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: var(--blue);  /* 采用克莱因蓝点睛 */
  font-size: 1.1rem;
  margin-right: 4px;
}

/* 移动端优化 */
@media (max-width: 700px) {
  .prog-intro { margin-bottom: 32px; }
  .intro-p { font-size: 0.95rem; }
}


/* =========================================
   📱 MOBILE RESPONSIVE FIXES (手机端专属修复)
   ========================================= */

/* 1. 强制防止整个页面的水平溢出 */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

@media (max-width: 900px) {
  /* 2. 修复 Launch 区域双列撑爆屏幕的问题，改为单列 */
  .launch-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* 3. 手机端隐藏导航栏的时间，确保 Logo 和按钮不会被挤出屏幕 */
  .nav-date {
    display: none; 
  }
  .nav-logo {
    font-size: 1rem; /* 稍微缩小一点 Logo */
  }

  /* 4. 修复首屏的数据条折行后边框混乱的问题 */
  .hero-meta-bar {
    border: none;
    background: transparent;
    gap: 10px;
  }
  .hero-meta-item {
    border: 1px solid rgba(0,71,171,0.14);
    background: rgba(0,71,171,0.04);
    border-radius: 6px;
    padding: 8px 16px;
  }
}

/* 针对较小的手机屏幕 (例如宽度低于 500px) */
@media (max-width: 500px) {
  /* 5. 倒计时允许换行并适当缩小 */
  .countdown {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .count-block {
    min-width: 52px;
    padding: 8px 10px;
  }
  .count-num {
    font-size: 1.5rem;
  }
  
  /* 6. 里程碑区域的 4 张照片在小手机上改为 2x2 排列，避免看不清 */
  .tl-photos {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 7. 首屏的两个按钮改为上下堆叠，宽度 100% 填满 */
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .btn-hero-primary, .btn-hero-outline {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

/* =========================================
   🍔 MOBILE MENU (移动端下拉菜单)
   ========================================= */

/* 电脑端默认隐藏汉堡按钮 */
.mobile-toggle {
  display: none;
  cursor: pointer;
  margin-left: 12px;
}

@media (max-width: 900px) {
  /* 显示汉堡按钮 */
  .mobile-toggle {
    display: flex;
    align-items: center;
  }
  
  /* 将原本粗暴隐藏的导航链接，改成悬浮下拉菜单 */
  .nav-links {
    display: none; /* 默认隐藏状态 */
    position: absolute;
    top: 100%; /* 紧贴导航栏底部 */
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px 0;
    box-shadow: 0 12px 24px rgba(0, 87, 255, 0.08);
    border-bottom: 1px solid var(--border);
    gap: 0; 
  }

  /* 当通过 JS 加上 active 类名时，显示菜单 */
  .nav-links.active {
    display: flex !important;
  }

  /* 调整移动端菜单里每个链接的样式 */
  .nav-links li {
    width: 100%;
    text-align: center;
  }
  .nav-links a {
    display: block;
    padding: 16px 0;
    font-size: 1rem;
    font-weight: 600;
  }
}