/* ============================================================
   Qcalc 官网 · Deep-Tech HUD 设计系统 v2
   深海军蓝 × 青色霓虹 × 玻璃拟态 × HUD 元素
   ============================================================ */
:root {
  --bg: #0B1C2C;
  --bg2: #0E2436;
  --deep: #04090F;
  --panel: rgba(255, 255, 255, 0.045);
  --panel2: rgba(255, 255, 255, 0.075);
  --glass: rgba(13, 30, 46, 0.55);
  --line: rgba(23, 184, 166, 0.30);
  --line-soft: rgba(255, 255, 255, 0.10);
  --accent: #17B8A6;
  --accent-2: #5AC8E0;
  --accent-d: #0E7C70;
  --accent-glow: rgba(23, 184, 166, 0.35);
  --text: #E8F0F4;
  --muted: #9FB3C4;
  --dim: #5E7488;
  --radius: 14px;
  --radius-lg: 22px;
  --nav-h: 70px;
  --font: "Segoe UI", "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "Microsoft YaHei", "PingFang SC", monospace;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --ease: cubic-bezier(0.22, 0.8, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 10% -10%, rgba(23, 184, 166, 0.10), transparent 60%),
    radial-gradient(1200px 800px at 108% 112%, rgba(22, 64, 94, 0.55), transparent 62%),
    var(--deep);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(23, 184, 166, 0.4); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--deep); }
::-webkit-scrollbar-thumb { background: #1c3a4d; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-d); }

/* ---------- 通用 SVG 图标 ---------- */
.qci { width: 100%; height: 100%; }
.ico { display: inline-block; width: 26px; height: 26px; color: var(--accent); }
i[data-icon] { display: inline-block; width: 100%; height: 100%; }
.ico-s { display: inline-block; width: 20px; height: 20px; color: var(--accent); flex: none; margin-top: 3px; }

/* ---------- 电影式片头 ---------- */
#intro {
  position: fixed; inset: 0; z-index: 2000; background: var(--deep); overflow: hidden;
  display: grid; place-items: center; cursor: pointer;
}
#intro canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#intro .irising {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(23,184,166,0.28), transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}
#intro.pulse .irising { opacity: 1; }
#intro .stack { position: relative; z-index: 2; text-align: center; }
#intro .brand { font-size: clamp(20px, 3vw, 30px); font-weight: 700; letter-spacing: 0.5em; text-indent: 0.5em;
  opacity: 0; transform: translateY(14px); transition: all 0.7s var(--ease) 0.2s; }
#intro .brand small { display: block; font-family: var(--mono); font-size: 11px; font-weight: 400;
  letter-spacing: 0.6em; color: var(--accent); margin-top: 12px; }
#intro.showbrand .brand { opacity: 1; transform: none; }
#intro .readout { position: absolute; left: 50%; bottom: 17vh; transform: translateX(-50%); z-index: 2;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.28em; color: #7BE8DB;
  white-space: nowrap; }
#intro .readout::after { content: "_"; animation: blink 0.7s steps(1) infinite; }
#intro .bar { position: absolute; left: 50%; bottom: 13vh; transform: translateX(-50%); z-index: 2;
  width: min(320px, 60vw); height: 2px; border-radius: 2px; background: rgba(255,255,255,0.08); overflow: hidden; }
#intro .bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent-d), var(--accent), var(--accent-2));
  box-shadow: 0 0 14px var(--accent-glow); transition: width 0.5s var(--ease); }
#intro .skip { position: absolute; right: 26px; bottom: 22px; z-index: 3; font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.3em; color: var(--dim); }
#intro.out { animation: irisOut 0.9s var(--ease) 0.1s forwards; }
@keyframes irisOut {
  from { clip-path: circle(120% at 50% 50%); opacity: 1; }
  60% { clip-path: circle(46% at 50% 50%); opacity: 1; }
  to { clip-path: circle(0% at 50% 50%); opacity: 0.9; }
}
#intro.gone { display: none; }

/* 片头期间暂停首页入场动画（片头结束后同步起跑） */
body.intro-on .hero .rw, body.intro-on .hero .en, body.intro-on .hero .sub,
body.intro-on .hero .acts, body.intro-on .hero .chips, body.intro-on .hero .glowbar,
body.intro-on .hero .pill { animation-play-state: paused; }
body.intro-on { overflow: hidden; }

/* ---------- 版心 / 章节 ---------- */
.wrap { width: min(1200px, 92%); margin: 0 auto; }
section { position: relative; padding: 100px 0; }
section[data-ghost]::before {
  content: attr(data-ghost); position: absolute; top: 26px; right: 3%;
  font-family: var(--mono); font-weight: 700; font-size: clamp(110px, 17vw, 240px); line-height: 1;
  color: rgba(23, 184, 166, 0.045); letter-spacing: 0.04em; pointer-events: none; user-select: none; z-index: 0;
}
section > .wrap { position: relative; z-index: 1; }
.sec-head { max-width: 780px; margin-bottom: 52px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; display: inline-flex; align-items: center; gap: 10px;
}
.kicker::before { content: "["; color: rgba(23,184,166,0.5); }
.kicker::after { content: "]"; color: rgba(23,184,166,0.5); }
.sec-head.center .kicker { justify-content: center; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; letter-spacing: 0.01em; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 40px); }
.sec-head p.lead { color: var(--muted); margin-top: 14px; font-size: 16px; }
.grad {
  background: linear-gradient(100deg, #E8F0F4 10%, #7BE8DB 45%, #5AC8E0 75%, #17B8A6 95%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: gradflow 7s linear infinite;
}
@keyframes gradflow { to { background-position: 200% 0; } }
.mini { display: block; margin-top: 6px; font-size: 12px; color: var(--dim); letter-spacing: 0.02em; }

/* ---------- 顶部进度 / 导航 ---------- */
#progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 1001;
  background: linear-gradient(90deg, var(--accent-d), var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-glow); transition: width 0.1s linear; }
header#topbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 1000;
  display: flex; align-items: center;
  background: rgba(4, 9, 15, 0.45); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent; transition: border-color 0.3s, background 0.3s;
}
header#topbar.scrolled { background: rgba(4, 9, 15, 0.88); border-bottom-color: var(--line-soft);
  box-shadow: 0 10px 40px rgba(0,0,0,0.35); }
.nav-inner { width: min(1320px, 94%); margin: 0 auto; display: flex; align-items: center; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.04em; flex: none; }
.logo .mark {
  width: 38px; height: 38px; border-radius: 11px; position: relative; flex: none;
  background: conic-gradient(from 210deg, var(--accent), #0d5f8a, var(--accent));
  box-shadow: 0 0 20px var(--accent-glow);
  animation: markspin 14s linear infinite;
}
@keyframes markspin { to { filter: hue-rotate(18deg) brightness(1.12); } 50% { filter: hue-rotate(-12deg); } }
.logo .mark::after {
  content: "Q"; position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 20px; color: #04121a;
}
.logo .cn { font-size: 16px; }
.logo .cn small { display: block; font-size: 10px; color: var(--muted); letter-spacing: 0.3em; font-weight: 400; }
nav.main { display: flex; align-items: center; gap: 2px; margin-left: auto; }
nav.main .item { position: relative; }
nav.main .lnk-w { position: relative; display: inline-flex; }
nav.main a.lnk, nav.main .drop-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 15px; border-radius: 9px;
  color: var(--muted); font-size: 15px; background: none; border: 0; transition: color 0.2s, background 0.2s;
}
nav.main a.lnk::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease);
}
nav.main a.lnk:hover, nav.main .drop-btn:hover, nav.main a.lnk.active, nav.main .drop-btn.active { color: var(--text); background: var(--panel); }
nav.main a.lnk:hover::after, nav.main a.lnk.active::after { transform: scaleX(1); }
nav.main .caret { font-size: 10px; transition: transform 0.25s; }
nav.main .item.open .caret { transform: rotate(180deg); }
.mega {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translate(-50%, 10px);
  width: 580px; padding: 18px; border-radius: 16px;
  background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-soft); box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  opacity: 0; visibility: hidden; transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
nav.main .item.open .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega a { display: flex; gap: 12px; align-items: flex-start; padding: 12px; border-radius: 12px; transition: background 0.2s; }
.mega a:hover { background: var(--panel2); }
.mega .badge-m {
  width: 40px; height: 40px; flex: none; border-radius: 10px; display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 14px; color: #04121a;
  background: linear-gradient(135deg, var(--accent), #0d5f8a);
}
.mega b { display: block; font-size: 14.5px; }
.mega span { display: block; font-size: 12.5px; color: var(--dim); line-height: 1.5; }
.lang { display: inline-flex; align-items: center; border: 1px solid var(--line-soft); border-radius: 999px;
  overflow: hidden; flex: none; margin-left: 6px; }
.lang a { padding: 5px 12px; font-family: var(--mono); font-size: 12px; color: var(--muted); transition: all 0.2s; }
.lang a + a { border-left: 1px solid var(--line-soft); }
.lang a.on { background: var(--accent); color: #04121a; font-weight: 700; }
.lang a:not(.on):hover { color: var(--text); }
.nav-cta { display: inline-flex; }
.burger { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line-soft);
  border-radius: 10px; background: var(--panel); flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.burger i { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
.burger.on i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.on i:nth-child(2) { opacity: 0; }
.burger.on i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
#mobileMenu {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 999; background: rgba(4, 9, 15, 0.97);
  backdrop-filter: blur(16px); padding: 26px 6vw 40px; display: none; overflow-y: auto;
}
#mobileMenu.on { display: block; }
#mobileMenu a { display: block; padding: 15px 4px; font-size: 17px; border-bottom: 1px solid var(--line-soft); color: var(--text); }
#mobileMenu a small { display: block; color: var(--dim); font-size: 12.5px; }

/* ---------- 按钮 ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 28px; border-radius: 11px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; overflow: hidden;
  transition: transform 0.2s var(--ease), box-shadow 0.25s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -70%; width: 45%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg); transition: left 0.6s var(--ease);
}
.btn:hover::after { left: 130%; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #12a08f); color: #04121a; box-shadow: 0 8px 26px var(--accent-glow); }
.btn-primary:hover { box-shadow: 0 12px 38px var(--accent-glow), 0 0 0 1px rgba(123,232,219,0.4); }
.btn-ghost { border-color: var(--line); color: var(--text); background: var(--panel); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--accent); background: rgba(23, 184, 166, 0.10); box-shadow: 0 0 24px rgba(23,184,166,0.18); }
.btn-sm { padding: 9px 18px; font-size: 13.5px; border-radius: 9px; }
.btn .ar { transition: transform 0.2s; }
.btn:hover .ar { transform: translateX(4px); }

/* ---------- Hero：原子模拟星云 ---------- */
.hero { min-height: 100vh; display: flex; align-items: center; padding: calc(var(--nav-h) + 60px) 0 100px; overflow: hidden; }
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.hero .aurora, .hero .aurora2 {
  position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; opacity: 0.55;
}
.hero .aurora { width: 46vw; height: 46vw; left: -12vw; top: -14vw; background: radial-gradient(circle, rgba(23,184,166,0.32), transparent 65%); animation: drift1 22s ease-in-out infinite alternate; }
.hero .aurora2 { width: 40vw; height: 40vw; right: -10vw; bottom: -12vw; background: radial-gradient(circle, rgba(13,95,138,0.5), transparent 65%); animation: drift2 26s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(9vw, 7vw) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-8vw, -6vw) scale(0.9); } }
.hero .grid-horizon {
  position: absolute; left: -20%; right: -20%; bottom: -6%; height: 46%; z-index: 0; pointer-events: none;
  transform: perspective(620px) rotateX(63deg); transform-origin: center top;
  background:
    linear-gradient(90deg, rgba(23,184,166,0.16) 1px, transparent 1px) 0 0 / 60px 60px,
    linear-gradient(0deg, rgba(23,184,166,0.16) 1px, transparent 1px) 0 0 / 60px 60px;
  animation: gridmove 3.2s linear infinite;
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.8), transparent 78%);
  mask-image: linear-gradient(to top, rgba(0,0,0,0.8), transparent 78%);
}
@keyframes gridmove { to { background-position: 0 60px, 0 60px; } }
.hero .scanline {
  position: absolute; left: 0; right: 0; height: 130px; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(123,232,219,0.05) 45%, rgba(123,232,219,0.10) 50%, rgba(123,232,219,0.05) 55%, transparent);
  animation: scan 8s linear infinite;
}
@keyframes scan { 0% { top: -140px; } 100% { top: 110%; } }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: linear-gradient(180deg, transparent 55%, var(--deep) 97%); }
.hero-inner { position: relative; z-index: 3; width: min(1200px, 92%); margin: 0 auto; }
.hero .pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(10, 26, 40, 0.6); backdrop-filter: blur(8px);
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.22em; color: #7BE8DB; margin-bottom: 26px;
}
.hero .pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
.hero h1 { font-size: clamp(34px, 5.6vw, 64px); line-height: 1.18; letter-spacing: 0.01em; }
.hero h1 .rw { display: inline-block; animation: wordin 0.8s var(--ease) both; }
@keyframes wordin { from { opacity: 0; transform: translateY(30px) rotateX(40deg); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
.hero h1 .en { display: block; font-family: var(--mono); font-size: clamp(13px, 1.6vw, 17px); font-weight: 400;
  letter-spacing: 0.3em; color: var(--muted); margin-top: 18px; text-transform: uppercase; animation: wordin 0.8s 0.5s var(--ease) both; }
.hero .sub { margin-top: 22px; font-size: clamp(15px, 1.8vw, 18.5px); color: var(--muted); max-width: 640px; animation: wordin 0.8s 0.65s var(--ease) both; }
.hero .sub b { color: var(--text); font-weight: 600; }
.hero .acts { display: flex; gap: 16px; margin-top: 38px; flex-wrap: wrap; animation: wordin 0.8s 0.8s var(--ease) both; }
.hero .chips { display: flex; gap: 10px; margin-top: 44px; flex-wrap: wrap; animation: wordin 0.8s 0.95s var(--ease) both; }
.chip {
  padding: 7px 15px; border-radius: 999px; border: 1px solid var(--line-soft); background: rgba(10,26,40,0.55);
  font-size: 12.5px; color: var(--muted); font-family: var(--mono); letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}
.chip.hot { border-color: var(--line); color: #7BE8DB; box-shadow: inset 0 0 18px rgba(23,184,166,0.08); }
.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.3em; color: var(--dim);
  display: flex; flex-direction: column; align-items: center; gap: 8px; }
.scroll-hint::after { content: ""; width: 1px; height: 34px; background: linear-gradient(var(--accent), transparent); animation: drip 1.8s infinite; }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 跑马灯 ---------- */
.tape { position: relative; border-block: 1px solid var(--line-soft); background: rgba(255,255,255,0.02); padding: 18px 0; overflow: hidden; }
.tape::before, .tape::after { content: ""; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; pointer-events: none; }
.tape::before { left: 0; background: linear-gradient(90deg, var(--deep), transparent); }
.tape::after { right: 0; background: linear-gradient(-90deg, var(--deep), transparent); }
.tape .track { display: flex; gap: 58px; width: max-content; animation: marquee 36s linear infinite; }
.tape:hover .track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.tape .t-item { display: flex; gap: 58px; flex: none; }
.tape span { font-size: 15px; color: var(--muted); white-space: nowrap; display: flex; align-items: center; gap: 12px; }
.tape span::before { content: "◆"; color: var(--accent); font-size: 9px; opacity: 0.8; }

/* ---------- 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  padding: 30px 26px; border-radius: var(--radius-lg); border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, var(--panel2), var(--panel)); position: relative; overflow: hidden;
  backdrop-filter: blur(10px);
}
.stat::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%); opacity: 0.7; }
.stat .num { font-family: var(--mono); font-size: clamp(30px, 3.2vw, 42px); font-weight: 700;
  color: var(--text); text-shadow: 0 0 24px rgba(23,184,166,0.25); }
.stat .num em { font-style: normal; color: var(--accent); }
.stat .lbl { margin-top: 8px; color: var(--muted); font-size: 13.5px; line-height: 1.55; }

/* ---------- 卡片（玻璃拟态 + 聚光灯 + HUD 角标） ---------- */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card {
  border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 30px 28px;
  background: linear-gradient(165deg, var(--panel2), rgba(255, 255, 255, 0.015));
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.3s;
  position: relative; overflow: hidden;
}
.card.spot::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%), rgba(23, 184, 166, 0.13), transparent 42%);
  opacity: 0; transition: opacity 0.35s;
}
.card.spot:hover::after { opacity: 1; }
.card:hover { border-color: var(--line); box-shadow: var(--shadow), 0 0 30px rgba(23,184,166,0.10); }
.card .hud-c { position: absolute; width: 14px; height: 14px; border: 1.5px solid var(--line); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.card:hover .hud-c { opacity: 1; }
.card .hud-c.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.card .hud-c.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.card .ico {
  width: 54px; height: 54px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(23,184,166,0.20), rgba(13,95,138,0.22));
  border: 1px solid var(--line); color: var(--accent);
  box-shadow: inset 0 0 22px rgba(23,184,166,0.10); transition: transform 0.3s var(--ease);
}
.card:hover .ico { transform: translateY(-3px) scale(1.06); }
.card h3 { font-size: 19px; margin-bottom: 4px; }
.card h3 .en { font-family: var(--mono); font-size: 12px; color: var(--dim); font-weight: 400; margin-left: 8px; letter-spacing: 0.08em; }
.card .tagline { color: var(--accent); font-size: 13px; margin-bottom: 12px; font-family: var(--mono); letter-spacing: 0.06em; }
.card p { color: var(--muted); font-size: 14.5px; }
.card ul.f { margin-top: 14px; display: grid; gap: 8px; }
.card ul.f li { position: relative; padding-left: 20px; color: var(--muted); font-size: 13.8px; line-height: 1.6; }
.card ul.f li::before { content: "▸"; position: absolute; left: 2px; color: var(--accent); font-size: 12px; }
.card .more { display: inline-flex; align-items: center; gap: 7px; margin-top: 18px; color: var(--accent); font-size: 13.5px; }
.card .more:hover { gap: 11px; }
.badge {
  position: absolute; top: 18px; right: 18px; padding: 4px 12px; border-radius: 999px;
  font-size: 11.5px; font-family: var(--mono); letter-spacing: 0.08em;
  border: 1px solid var(--line); color: #7BE8DB; background: rgba(23, 184, 166, 0.10);
}
.badge.gray { border-color: var(--line-soft); color: var(--muted); background: var(--panel); }
.badge.static { position: static; display: inline-flex; margin-bottom: 16px; }

/* ---------- 左右分栏 / 图框 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.rev .pic { order: 2; }
.frame {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-soft);
  box-shadow: var(--shadow); background: var(--bg2); position: relative;
}
.frame::before, .frame::after { content: ""; position: absolute; width: 22px; height: 22px; z-index: 3;
  border: 1.5px solid var(--line); transition: all 0.3s; pointer-events: none; }
.frame::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.frame::after { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.frame:hover::before, .frame:hover::after { width: 30px; height: 30px; border-color: var(--accent); }
.split .pic .frame img, .frame > img { width: 100%; }
.zoomable { cursor: zoom-in; }
.pic-cap { margin-top: 12px; color: var(--dim); font-size: 12.5px; text-align: center; }

/* ---------- 时间线（连线生长） ---------- */
.tl { position: relative; padding-left: 34px; }
.tl::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(var(--accent), rgba(23,184,166,0.05));
  transform: scaleY(0); transform-origin: top; transition: transform 1.4s var(--ease) 0.2s; }
.tl.in::before { transform: scaleY(1); }
.tl li { position: relative; padding-bottom: 34px; }
.tl li:last-child { padding-bottom: 0; }
.tl li::before { content: ""; position: absolute; left: -31px; top: 7px; width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 12px var(--accent-glow); }
.tl .y { font-family: var(--mono); color: var(--accent); font-size: 13.5px; letter-spacing: 0.14em; }
.tl h4 { margin: 4px 0 6px; font-size: 17px; }
.tl p { color: var(--muted); font-size: 14px; }

/* ---------- 选项卡 ---------- */
.tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.tabs button {
  padding: 11px 22px; border-radius: 999px; border: 1px solid var(--line-soft); background: var(--panel);
  color: var(--muted); font-size: 14.5px; transition: all 0.25s; backdrop-filter: blur(8px);
}
.tabs button:hover { color: var(--text); border-color: var(--line); box-shadow: 0 0 18px rgba(23,184,166,0.12); }
.tabs button.on { background: linear-gradient(135deg, var(--accent), #12a08f); color: #04121a; border-color: transparent; font-weight: 600; box-shadow: 0 6px 22px var(--accent-glow); }
.tabpane { display: none; animation: fadeUp 0.45s var(--ease); }
.tabpane.on { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.flow .step {
  padding: 24px 18px; border-radius: var(--radius); border: 1px solid var(--line-soft); background: var(--panel);
  position: relative; transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s, box-shadow 0.25s; cursor: default;
  backdrop-filter: blur(8px);
}
.flow .step:hover { transform: translateY(-5px); border-color: var(--line); background: var(--panel2); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.flow .step .no { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.2em; }
.flow .step h4 { font-size: 15.5px; margin: 10px 0 6px; }
.flow .step p { font-size: 12.8px; color: var(--dim); line-height: 1.6; }
.flow .step::after {
  content: "›"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 20px; opacity: 0.55; z-index: 2;
}
.flow .step:last-child::after { display: none; }

/* ---------- 滚动叙事：智能体接力 ---------- */
.relay { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start; }
.relay-left { position: sticky; top: 110px; }
.relay-visual {
  border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 30px 26px;
  background: linear-gradient(165deg, var(--panel2), rgba(255,255,255,0.015)); backdrop-filter: blur(12px);
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.relay-visual::before { content: "AGENT RELAY · LIVE"; position: absolute; top: 14px; right: 16px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; color: var(--dim); }
.relay-node { display: flex; align-items: center; gap: 16px; padding: 13px 0; position: relative; }
.relay-node + .relay-node::before { content: ""; position: absolute; left: 21px; top: -14px; height: 14px; width: 1px;
  background: linear-gradient(var(--accent), rgba(23,184,166,0.15)); }
.relay-node .dot {
  width: 43px; height: 43px; flex: none; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--line-soft); background: var(--panel); color: var(--dim);
  font-family: var(--mono); font-weight: 700; font-size: 13px; transition: all 0.4s var(--ease);
}
.relay-node b { font-size: 15.5px; color: var(--dim); display: block; transition: color 0.3s; }
.relay-node small { color: var(--dim); font-size: 12px; font-family: var(--mono); }
.relay-node.on .dot { border-color: var(--accent); color: #04121a; background: linear-gradient(135deg, var(--accent), #12a08f);
  box-shadow: 0 0 24px var(--accent-glow); transform: scale(1.06); }
.relay-node.on b { color: var(--text); }
.relay-node .dot i { width: 20px; height: 20px; }
.relay-step { min-height: 42vh; display: flex; flex-direction: column; justify-content: center;
  padding: 26px 30px; border-left: 2px solid var(--line-soft); transition: border-color 0.4s; }
.relay-step.on { border-left-color: var(--accent); }
.relay-step .no { font-family: var(--mono); color: var(--accent); font-size: 13px; letter-spacing: 0.2em; }
.relay-step h3 { font-size: 22px; margin: 10px 0 12px; }
.relay-step p { color: var(--muted); font-size: 15px; max-width: 480px; }
.relay-step .out { margin-top: 16px; display: inline-flex; gap: 8px; align-items: center;
  font-family: var(--mono); font-size: 12.5px; color: #7BE8DB; }
.relay-step .out::before { content: "▸ OUTPUT"; color: var(--dim); letter-spacing: 0.15em; font-size: 11px; }

/* ---------- 轮播（交叉淡入 + Ken Burns） ---------- */
.carousel { position: relative; }
.carousel .stage {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-soft);
  background: var(--bg2); box-shadow: var(--shadow); aspect-ratio: 16 / 9.8;
}
.carousel .stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  background: #081521; opacity: 0; transition: opacity 0.65s var(--ease); }
.carousel .stage img.show { opacity: 1; }
.carousel .stage img.kb { animation: kb 8s ease-out both; }
@keyframes kb { from { transform: scale(1.045); } to { transform: scale(1); } }
.carousel .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 38px 22px 14px; z-index: 2;
  background: linear-gradient(transparent, rgba(4,9,15,0.92)); font-size: 13.5px; color: var(--text);
  opacity: 0; transform: translateY(6px); transition: all 0.5s 0.2s; }
.carousel .cap.show { opacity: 1; transform: none; }
.carousel .nav { display: flex; gap: 10px; align-items: center; margin-top: 16px; }
.carousel .thumbs { display: flex; gap: 8px; overflow-x: auto; flex: 1; padding-bottom: 4px; }
.carousel .thumbs img { width: 86px; aspect-ratio: 16/10; object-fit: cover; border-radius: 8px; cursor: pointer;
  border: 1.5px solid transparent; opacity: 0.55; transition: opacity 0.2s, border-color 0.2s; flex: none; }
.carousel .thumbs img.on { border-color: var(--accent); opacity: 1; box-shadow: 0 0 14px rgba(23,184,166,0.25); }
.carousel .arrows { display: flex; gap: 8px; }
.carousel .arrows button {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-soft); background: var(--panel);
  color: var(--text); font-size: 16px; transition: all 0.2s;
}
.carousel .arrows button:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 16px rgba(23,184,166,0.2); }

/* ---------- 灯箱 ---------- */
#lightbox { position: fixed; inset: 0; z-index: 1200; background: rgba(4, 9, 15, 0.92); backdrop-filter: blur(10px);
  display: none; align-items: center; justify-content: center; padding: 4vh 4vw; }
#lightbox.on { display: flex; }
#lightbox img { max-width: 100%; max-height: 84vh; border-radius: 12px; border: 1px solid var(--line-soft); box-shadow: var(--shadow); animation: lbIn 0.35s var(--ease); }
@keyframes lbIn { from { opacity: 0; transform: scale(0.96); } }
#lightbox .x { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-soft); background: var(--panel); color: var(--text); font-size: 18px; }
#lightbox .x:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; }
.faq .q { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--panel); overflow: hidden; transition: border-color 0.25s, background 0.25s; backdrop-filter: blur(8px); }
.faq .q.open { border-color: var(--line); background: var(--panel2); }
.faq .q > button {
  width: 100%; text-align: left; padding: 19px 22px; background: none; border: 0; color: var(--text);
  font-size: 15.5px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq .q > button::after { content: "+"; font-family: var(--mono); color: var(--accent); font-size: 19px; transition: transform 0.25s; }
.faq .q.open > button::after { transform: rotate(45deg); }
.faq .a { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.faq .a > div { padding: 0 22px 20px; color: var(--muted); font-size: 14.5px; }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; letter-spacing: 0.04em; }
.form input, .form select, .form textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.04); color: var(--text); font-family: inherit; font-size: 14.5px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(23, 184, 166, 0.15);
}
.form select option { background: #0E2436; color: var(--text); }
.form textarea { min-height: 130px; resize: vertical; }
.form .err { color: #ff9d9d; font-size: 12.5px; margin-top: 5px; display: none; }
.form .field.bad input, .form .field.bad textarea, .form .field.bad select { border-color: #e06c6c; }
.form .field.bad .err { display: block; }
.form-note { font-size: 12.5px; color: var(--dim); }

/* ---------- CTA ---------- */
.cta-band {
  border: 1px solid var(--line); border-radius: 26px; padding: 58px 48px; position: relative; overflow: hidden;
  background:
    radial-gradient(700px 300px at 15% 0%, rgba(23, 184, 166, 0.16), transparent 60%),
    radial-gradient(600px 300px at 90% 100%, rgba(13, 95, 138, 0.3), transparent 60%),
    var(--bg2);
  text-align: center;
}
.cta-band::before { content: ""; position: absolute; top: 0; left: 30%; right: 30%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent); animation: ctaline 3s ease-in-out infinite; }
@keyframes ctaline { 50% { left: 15%; right: 15%; opacity: 0.5; } }
.cta-band h2 { font-size: clamp(24px, 3vw, 36px); }
.cta-band p { color: var(--muted); margin-top: 12px; max-width: 620px; margin-inline: auto; }
.cta-band .acts { display: flex; gap: 16px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }

/* ---------- 客户 logo 墙 ---------- */
.wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.wall .plate {
  height: 92px; border-radius: 14px; background: rgba(255, 255, 255, 0.94);
  display: flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.25);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.wall .plate img { max-height: 100%; max-width: 100%; object-fit: contain; filter: grayscale(1) contrast(0.92); transition: filter 0.3s; }
.wall .plate:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(0,0,0,0.4), 0 0 24px rgba(23,184,166,0.18); }
.wall .plate:hover img { filter: none; }
.wall .plate .wm { text-align: center; color: #0B1C2C; line-height: 1.35; }
.wall .plate .wm b { display: block; font-size: 15px; font-weight: 700; }
.wall .plate .wm small { display: block; font-size: 10.5px; color: #47606f; font-family: var(--mono); letter-spacing: 0.04em; }

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line-soft); background: rgba(4, 9, 15, 0.6); padding: 64px 0 30px; margin-top: 40px; }
footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 44px; }
footer h5 { font-size: 13px; letter-spacing: 0.2em; color: var(--text); margin-bottom: 16px; font-family: var(--mono); }
footer .links a { display: block; padding: 5px 0; color: var(--muted); font-size: 13.8px; transition: color 0.2s, padding-left 0.2s; }
footer .links a:hover { color: var(--accent); padding-left: 5px; }
footer .about-txt { color: var(--muted); font-size: 13.8px; max-width: 340px; margin-top: 14px; }
footer .contact-line { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 13.8px; padding: 5px 0; }
footer .contact-line b { color: var(--text); font-weight: 500; }
footer .base { border-top: 1px solid var(--line-soft); padding-top: 22px; display: flex; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; color: var(--dim); font-size: 12.5px; }
footer .base .mono { font-family: var(--mono); letter-spacing: 0.06em; }
footer .disclaim { margin-top: 14px; color: #46586a; font-size: 11.5px; line-height: 1.7; }

/* ---------- 滚动显现 ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.rv-l { opacity: 0; transform: translateX(-36px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.rv-r { opacity: 0; transform: translateX(36px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.rv-blur { opacity: 0; filter: blur(10px); transform: translateY(16px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease), filter 0.8s var(--ease); }
.rv.in, .rv-l.in, .rv-r.in, .rv-blur.in { opacity: 1; transform: none; filter: none; }
.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.16s; } .d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; } .d5 { transition-delay: 0.40s; } .d6 { transition-delay: 0.48s; }

/* ---------- 内页头 ---------- */
.pagehead { padding: calc(var(--nav-h) + 84px) 0 66px; position: relative; overflow: hidden; }
.pagehead h1 { font-size: clamp(30px, 4vw, 48px); }
.pagehead .crumbs { font-family: var(--mono); font-size: 12.5px; color: var(--dim); letter-spacing: 0.12em; margin-bottom: 18px; }
.pagehead .crumbs a { color: var(--muted); } .pagehead .crumbs a:hover { color: var(--accent); }
.pagehead p.lead { margin-top: 16px; color: var(--muted); max-width: 720px; font-size: 16.5px; }
#phCanvas { position: absolute; inset: 0; opacity: 0.55; }
.pagehead .wrap { position: relative; z-index: 2; }

/* ---------- 返回顶部（环形进度） ---------- */
#toTop { position: fixed; right: 26px; bottom: 26px; z-index: 900; width: 48px; height: 48px; border-radius: 50%;
  background: rgba(10,24,38,0.85); color: var(--accent); font-size: 16px;
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: all 0.3s; backdrop-filter: blur(8px); }
#toTop.on { opacity: 1; visibility: visible; transform: none; }
#toTop:hover { background: var(--accent); color: #04121a; }
#toTop svg { position: absolute; inset: -4px; width: 56px; height: 56px; transform: rotate(-90deg); pointer-events: none; }
#toTop circle { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 151; stroke-dashoffset: 151; }
#toTop:hover circle { stroke: #04121a; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow .step:nth-child(3n)::after { display: none; }
  footer .cols { grid-template-columns: 1fr 1fr; }
  nav.main { display: none; }
  .lang { display: none; }
  .burger { display: flex; }
  .nav-cta { display: none; }
  .relay { grid-template-columns: 1fr; }
  .relay-left { position: static; }
  .relay-step { min-height: 0; padding: 22px 4px; }
}
@media (max-width: 760px) {
  section { padding: 64px 0; }
  .split, .split.rev { grid-template-columns: 1fr; gap: 30px; }
  .split.rev .pic { order: 0; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow .step:nth-child(3n)::after { content: "›"; }
  .flow .step:nth-child(2n)::after { display: none; }
  .wall { grid-template-columns: 1fr 1fr; }
  .wall .plate { height: 76px; padding: 10px 12px; }
  .form .row { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 22px 18px; }
  footer .cols { grid-template-columns: 1fr; gap: 28px; }
  .hero .acts .btn { flex: 1; justify-content: center; }
  #mobileMenu .lang-m { display: flex; margin: 18px 0 8px; }
  /* v3 首页响应式 */
  .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
  .bento .b { grid-column: span 2 !important; grid-row: auto !important; min-height: 180px; }
  .partners { grid-template-columns: 1fr 1fr; }
  .hero-console { display: none; }
  .hero-rail { display: none; }
  .hud-corner { display: none; }
}
#mobileMenu .lang-m { display: none; }

/* ============================================================
   v3 全局：强制动效（营销站按业主要求不跟随系统"减少动态效果"）
   ============================================================ */

/* ---------- 纯文字 logo ---------- */
.logo { gap: 0; }
.logo .wordmark { display: flex; flex-direction: column; gap: 1px; padding-left: 12px; border-left: 2px solid var(--accent); }
.logo .wordmark b { font-size: 19px; letter-spacing: 0.14em; line-height: 1.2; }
.logo .wordmark small { font-family: var(--mono); font-size: 9px; letter-spacing: 0.34em; color: var(--muted); }

/* ---------- Hero v3：任务控制台 HUD ---------- */
.hud-corner { position: absolute; width: 26px; height: 26px; z-index: 4; pointer-events: none;
  border: 1.5px solid rgba(123,232,219,0.5); animation: hudBreath 3.2s ease-in-out infinite; }
.hud-corner.tl { top: calc(var(--nav-h) + 18px); left: 18px; border-right: 0; border-bottom: 0; }
.hud-corner.tr { top: calc(var(--nav-h) + 18px); right: 18px; border-left: 0; border-bottom: 0; animation-delay: .4s; }
.hud-corner.bl { bottom: 18px; left: 18px; border-right: 0; border-top: 0; animation-delay: .8s; }
.hud-corner.br { bottom: 18px; right: 18px; border-left: 0; border-top: 0; animation-delay: 1.2s; }
@keyframes hudBreath { 50% { border-color: rgba(23,184,166,0.95); width: 34px; height: 34px; } }

.hero-rail { position: absolute; left: 26px; top: 50%; transform: translateY(-50%); z-index: 4;
  display: flex; flex-direction: column; align-items: center; gap: 14px; pointer-events: none; }
.hero-rail .line { width: 1px; flex: 1; min-height: 70px;
  background: linear-gradient(var(--accent), transparent); animation: railPulse 2.4s ease-in-out infinite; }
.hero-rail .txt { writing-mode: vertical-rl; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.4em; color: var(--dim); }
@keyframes railPulse { 50% { opacity: 0.25; transform: scaleY(0.6); } }

.hero-status { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 4;
  display: flex; align-items: center; gap: 10px; padding: 7px 16px;
  border: 1px solid var(--line-soft); border-radius: 999px; background: rgba(6,14,22,0.72);
  backdrop-filter: blur(8px); font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  color: #7BE8DB; white-space: nowrap; }
.hero-status .cursor { display: inline-block; width: 7px; height: 12px; background: var(--accent);
  animation: blink 1s steps(1) infinite; vertical-align: -1px; }
@keyframes blink { 50% { opacity: 0; } }

/* 控制台仪表卡 */
.hero-console { position: absolute; right: 4.5%; top: 50%; transform: translateY(-50%); z-index: 4;
  width: 330px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  background: rgba(8,18,28,0.78); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow), 0 0 40px rgba(23,184,166,0.12); }
.hero-console .c-head { display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--line-soft);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.22em; color: var(--muted); }
.hero-console .c-head .live { display: inline-flex; align-items: center; gap: 7px; color: #7BE8DB; }
.hero-console .c-head .live i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 8px var(--accent); animation: pulse 1.6s infinite; }
.hero-console .c-row { display: flex; justify-content: space-between; align-items: baseline;
  padding: 9px 16px; border-bottom: 1px dashed rgba(255,255,255,0.06);
  font-family: var(--mono); font-size: 11.5px; }
.hero-console .c-row .k { color: var(--dim); letter-spacing: 0.14em; }
.hero-console .c-row .v { color: #7BE8DB; font-weight: 700; font-size: 13px; }
.hero-console .c-row .v.dim2 { color: var(--muted); font-weight: 400; }
.hero-console canvas { display: block; width: 100%; height: 64px; }
.hero-console .c-tail { padding: 8px 16px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.12em; color: var(--dim); white-space: nowrap; overflow: hidden; }
.hero-console .c-tail span { display: inline-block; animation: tickerRun 22s linear infinite; }
@keyframes tickerRun { from { transform: translateX(20%); } to { transform: translateX(-100%); } }

/* Hero 主标题辉光 */
.hero h1 { text-shadow: 0 0 60px rgba(23,184,166,0.22); }
.hero .glowbar { display: block; width: 120px; height: 3px; margin-top: 26px; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), transparent);
  box-shadow: 0 0 18px var(--accent-glow); animation: glowbarSweep 3s var(--ease) infinite alternate; }
@keyframes glowbarSweep { to { width: 210px; } }

/* ---------- 统计扫光下划线 ---------- */
.stats .stat .num { position: relative; display: inline-block; }
.stats .stat.in .num::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), transparent);
  transform: scaleX(0); transform-origin: left; animation: sweepIn 1.1s var(--ease) 0.3s forwards; }
@keyframes sweepIn { to { transform: scaleX(1); } }

/* ---------- 便当网格（产品全景 v3） ---------- */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 205px; gap: 16px; }
.bento .b { position: relative; border: 1px solid var(--line-soft); border-radius: var(--radius-lg);
  padding: 26px 24px; overflow: hidden;
  background: linear-gradient(165deg, var(--panel2), rgba(255,255,255,0.015));
  backdrop-filter: blur(12px); transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.3s; }
.bento .b:hover { transform: translateY(-6px); border-color: var(--line);
  box-shadow: var(--shadow), 0 0 34px rgba(23,184,166,0.12); }
.bento .b::before { content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity 0.4s; pointer-events: none;
  background: radial-gradient(420px circle at 85% 0%, rgba(23,184,166,0.14), transparent 55%); }
.bento .b:hover::before { opacity: 1; }
.bento .b-lead { grid-column: span 2; grid-row: span 2; }
.bento .b-w2 { grid-column: span 2; }
.bento .b .ico { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(23,184,166,0.20), rgba(13,95,138,0.22));
  border: 1px solid var(--line); color: var(--accent); transition: transform 0.3s var(--ease); }
.bento .b:hover .ico { transform: translateY(-3px) scale(1.08); }
.bento h3 { font-size: 18px; }
.bento .b-lead h3 { font-size: 24px; }
.bento h3 .en { font-family: var(--mono); font-size: 11.5px; color: var(--dim); font-weight: 400; margin-left: 8px; letter-spacing: 0.08em; }
.bento .tagline { color: var(--accent); font-size: 12px; margin: 4px 0 10px; font-family: var(--mono); letter-spacing: 0.06em; }
.bento p { color: var(--muted); font-size: 13.8px; }
.bento .b-lead p { font-size: 15px; max-width: 480px; }
.bento .more { position: absolute; left: 24px; bottom: 18px; display: inline-flex; gap: 7px;
  color: var(--accent); font-size: 13px; }
.bento .b:not(.b-lead) .more { position: static; margin-top: 10px; }
.bento .badge { z-index: 2; }

/* ---------- 文字伙伴墙（细线网格 spec-sheet 风） ---------- */
@media (max-width: 1200px) { .hero-console { display: none; } }
@media (min-width: 1200px) { .hero-inner { width: min(780px, 62%); margin-left: 4%; } }
.partners { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); overflow: hidden; }
.partners .pt { background: rgba(8,18,28,0.85); padding: 30px 26px; min-height: 108px;
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  transition: background 0.3s, transform 0.3s var(--ease); position: relative; }
.partners .pt::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--accent), transparent); transform: scaleY(0); transform-origin: top; transition: transform 0.35s var(--ease); }
.partners .pt:hover { background: rgba(13,30,46,0.92); }
.partners .pt:hover::after { transform: scaleY(1); }
.partners .pt b { font-size: 16.5px; font-weight: 700; letter-spacing: 0.02em; }
.partners .pt small { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--dim); transition: color 0.3s; }
.partners .pt:hover small { color: var(--accent); }

/* ---------- Q-nergy 实时工作台演示窗 ---------- */
.live-window {
  position: relative; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: rgba(8, 18, 28, 0.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow), 0 0 46px rgba(23, 184, 166, 0.12);
}
.live-window .lw-bar { display: flex; align-items: center; gap: 10px; padding: 11px 16px;
  border-bottom: 1px solid var(--line-soft); background: rgba(255,255,255,0.02); }
.live-window .lw-bar i { width: 10px; height: 10px; border-radius: 50%; background: #23405a; }
.live-window .lw-bar i:nth-child(1) { background: rgba(23,184,166,0.75); }
.live-window .lw-bar .lw-title { margin-left: 8px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.2em; color: var(--muted); }
.live-window .lw-bar .lw-badge { margin-left: auto; display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; color: #7BE8DB; }
.live-window .lw-bar .lw-badge b { width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 8px var(--accent); animation: pulse 1.5s infinite; }
.live-window .lw-body { display: grid; grid-template-columns: 148px 1fr; min-height: 380px; }
.live-window .lw-tabs { border-right: 1px solid var(--line-soft); padding: 14px 0; }
.live-window .lw-tabs li { padding: 9px 16px; font-size: 12.5px; color: var(--dim); cursor: default;
  border-left: 2px solid transparent; display: flex; align-items: center; gap: 8px;
  transition: color 0.25s, border-color 0.25s, background 0.25s; }
.live-window .lw-tabs li::before { content: "▸"; font-size: 10px; opacity: 0; transition: opacity 0.25s; }
.live-window .lw-tabs li.on { color: var(--text); border-left-color: var(--accent);
  background: linear-gradient(90deg, rgba(23,184,166,0.10), transparent); }
.live-window .lw-tabs li.on::before { opacity: 1; color: var(--accent); }
.live-window .lw-main { position: relative; }
.live-window .lw-pane { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s var(--ease); pointer-events: none; }
.live-window .lw-pane.on { opacity: 1; }
.live-window .lw-shots img { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: top; opacity: 0; transition: opacity 1s var(--ease); }
.live-window .lw-shots img.on { opacity: 1; }
.live-window .lw-shots::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(4,9,15,0.55) 0%, transparent 55%); pointer-events: none; }
.live-window .lw-console { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 18px 20px 16px;
  background: linear-gradient(transparent, rgba(4,9,15,0.88) 36%); }
.live-window .lw-log { font-family: var(--mono); font-size: 12px; line-height: 2; min-height: 96px; }
.live-window .lw-log div { opacity: 0; animation: logIn 0.45s var(--ease) forwards; }
@keyframes logIn { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: none; } }
.live-window .lw-log .tag { color: var(--accent); }
.live-window .lw-log .ok { color: #7BE8DB; }
.live-window .lw-log .dim3 { color: var(--dim); }
.live-window .lw-track { margin-top: 10px; height: 3px; border-radius: 3px; background: rgba(255,255,255,0.07); overflow: hidden; }
.live-window .lw-track i { display: block; height: 100%; width: 0; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-d), var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-glow); transition: width 0.9s var(--ease); }
.live-window .lw-chart { position: absolute; top: 16px; right: 18px; width: 150px; height: 84px; z-index: 2; }
.live-window .lw-chart path { fill: none; stroke: url(#lwGrad); stroke-width: 2;
  stroke-dasharray: 100; stroke-dashoffset: 100; }
.live-window .lw-chart text { font-family: var(--mono); font-size: 8px; fill: var(--dim); letter-spacing: 0.2em; }
@media (max-width: 760px) {
  .live-window .lw-body { grid-template-columns: 1fr; }
  .live-window .lw-tabs { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line-soft); padding: 0; }
  .live-window .lw-tabs li { padding: 10px 12px; border-left: 0; border-bottom: 2px solid transparent; white-space: nowrap; }
  .live-window .lw-tabs li.on { border-bottom-color: var(--accent); background: none; }
  .live-window .lw-body { min-height: 340px; }
  .live-window .lw-chart { display: none; }
}

/* ---------- 数据飞轮（Why 区） ---------- */
.flywheel { position: relative; aspect-ratio: 1; max-width: 460px; margin: 0 auto; }
.flywheel svg { width: 100%; height: 100%; overflow: visible; }
.flywheel .fw-ring { fill: none; stroke: rgba(23,184,166,0.25); stroke-width: 1; stroke-dasharray: 3 6; }
.flywheel .fw-ring2 { fill: none; stroke: rgba(23,184,166,0.12); stroke-width: 1; }
.flywheel .fw-rotor { transform-origin: 50% 50%; animation: fwSpin 24s linear infinite; }
@keyframes fwSpin { to { transform: rotate(360deg); } }
.flywheel .fw-node circle { fill: #0B1C2C; stroke: var(--accent); stroke-width: 1.4;
  filter: drop-shadow(0 0 8px rgba(23,184,166,0.5)); }
.flywheel .fw-node text { font-size: 12.5px; fill: var(--text); text-anchor: middle; dominant-baseline: central; }
.flywheel .fw-node small { font-size: 7.5px; fill: var(--dim); font-family: var(--mono); letter-spacing: 0.18em; }
.flywheel .fw-counter { transform-box: fill-box; transform-origin: center; animation: fwSpin 24s linear infinite reverse; }
.flywheel .fw-core { fill: none; stroke: var(--accent); stroke-width: 1.2; opacity: 0.9; }
.flywheel .fw-corePulse { fill: rgba(23,184,166,0.12); stroke: var(--accent); stroke-width: 1;
  animation: fwPulse 3s ease-in-out infinite; transform-origin: 50% 50%; }
@keyframes fwPulse { 50% { transform: scale(1.12); opacity: 0.6; } }
.flywheel .fw-comet { fill: #C8FFF8; filter: drop-shadow(0 0 6px #7BE8DB); }
.flywheel .fw-caption { text-align: center; margin-top: 10px; color: var(--dim); font-size: 12.5px;
  font-family: var(--mono); letter-spacing: 0.14em; }