/* ============================================================
 * 致朴科技官网 · 前台样式
 * 深色医疗科技风：青绿 + 科技蓝 + 玻璃拟态 + 光效动效
 * ============================================================ */

:root {
  --accent: #28e0c8;
  --accent2: #4d8dff;
  --bg: #050c17;
  --bg-2: #07172a;
  --surface: rgba(13, 32, 54, 0.62);
  --surface-solid: #0c1e33;
  --line: rgba(120, 190, 220, 0.14);
  --line-strong: rgba(80, 220, 210, 0.35);
  --text: #eaf5ff;
  --muted: #8ca8c2;
  --muted-2: #617d9b;
  --danger: #ff6b81;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
img { max-width: 100%; display: block; }
::selection { background: rgba(40, 224, 200, .32); color: #fff; }

/* ---------- 背景科技层 ---------- */
.bg-layer { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.bg-gradient {
  background:
    radial-gradient(900px 620px at 78% 8%, rgba(35, 120, 200, .20), transparent 65%),
    radial-gradient(760px 560px at 6% 32%, rgba(20, 190, 175, .13), transparent 68%),
    radial-gradient(900px 700px at 50% 100%, rgba(40, 90, 180, .12), transparent 70%),
    linear-gradient(180deg, #050c17 0%, #061325 55%, #050c17 100%);
}
.bg-grid {
  opacity: .45;
  background-image:
    linear-gradient(rgba(90, 170, 200, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 170, 200, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.7) 45%, transparent 95%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.7) 45%, transparent 95%);
}
#particleCanvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .55; }
.scanline {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .16;
  background: repeating-linear-gradient(180deg, transparent 0 3px, rgba(120, 220, 255, .045) 3px 4px);
}
body.no-effects .bg-layer, body.no-effects #particleCanvas, body.no-effects .scanline { display: none; }
body.no-effects * { animation: none !important; transition: none !important; }

.wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 1; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: 72px;
  background: rgba(5, 14, 26, .55);
  border-bottom: 1px solid rgba(120, 190, 220, .10);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background .3s, box-shadow .3s, border-color .3s;
}
.nav.scrolled { background: rgba(5, 14, 26, .92); box-shadow: 0 8px 30px rgba(0,0,0,.35); border-color: rgba(80, 220, 210, .18); }
.nav-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  width: 38px; height: 38px; position: relative; border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 22px rgba(40, 224, 200, .35);
  display: grid; place-items: center;
}
.brand-mark::before, .brand-mark::after {
  content: ''; position: absolute; background: #04121e; border-radius: 2px;
}
.brand-mark::before { width: 18px; height: 5px; }
.brand-mark::after { width: 5px; height: 18px; }
.brand-mark i {
  position: absolute; width: 5px; height: 5px; border-radius: 50%; background: #04121e;
  top: 6px; right: 6px;
}
.brand-text strong { display: block; font-size: 18px; letter-spacing: 2px; line-height: 1.15; }
.brand-text span { display: block; font-size: 9px; letter-spacing: 2.4px; color: var(--muted); font-family: var(--mono); }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 14px; font-size: 14px; color: var(--muted); border-radius: 8px;
  transition: color .2s, background .2s; position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(80, 220, 210, .08); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 0; left: 30%; right: 30%; height: 2px;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: 10px; padding: 11px 22px;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: transform .2s, box-shadow .25s, background .25s, border-color .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #03151c;
  background: linear-gradient(120deg, var(--accent), #6ff0dc 55%, var(--accent2));
  box-shadow: 0 8px 26px rgba(40, 224, 200, .24);
}
.btn-primary:hover { box-shadow: 0 12px 34px rgba(40, 224, 200, .40); }
.btn-ghost { color: var(--text); background: rgba(255,255,255,.035); border-color: var(--line-strong); }
.btn-ghost:hover { background: rgba(40, 224, 200, .10); border-color: var(--accent); }
.btn-sm { padding: 8px 15px; font-size: 13px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 22px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero { padding: 170px 0 90px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono);
  font-size: 11px; letter-spacing: 1.6px; color: var(--accent);
  border: 1px solid rgba(40, 224, 200, .28); background: rgba(40, 224, 200, .07);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); animation: blink 2s infinite; }
h1.hero-title {
  font-size: clamp(38px, 4.4vw, 62px); line-height: 1.24; margin: 0 0 22px;
  font-weight: 800; letter-spacing: 1px;
}
.hero-title .line { display: block; }
.hero-title .grad {
  background: linear-gradient(100deg, var(--accent) 5%, #8ff5e4 35%, var(--accent2) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 40px rgba(40, 224, 200, .18);
}
.hero-desc { color: var(--muted); font-size: 16px; line-height: 1.95; max-width: 580px; margin: 0 0 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; border-top: 1px solid var(--line); padding-top: 26px; }
.stat-item { position: relative; padding-left: 14px; }
.stat-item::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--accent), transparent); }
.stat-num { font-size: 27px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -.5px; line-height: 1.2; color: #fff; }
.stat-num em { font-style: normal; font-size: 14px; color: var(--accent); margin-left: 2px; }
.stat-label { font-size: 12px; color: var(--muted-2); margin-top: 2px; }

/* Hero 科技可视化 */
.hero-visual { position: relative; height: 480px; display: grid; place-items: center; }
.orb { position: relative; width: 400px; height: 400px; display: grid; place-items: center; }
.orb-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(100, 210, 230, .16); }
.orb-ring.r1 { inset: 0; border-style: dashed; animation: spin 40s linear infinite; }
.orb-ring.r2 { inset: 40px; border-color: rgba(40, 224, 200, .28); box-shadow: inset 0 0 40px rgba(40, 224, 200, .06); animation: spin 26s linear infinite reverse; }
.orb-ring.r3 { inset: 86px; border-color: rgba(77, 141, 255, .35); border-width: 2px; border-left-color: transparent; border-bottom-color: transparent; animation: spin 12s linear infinite; }
.orb-ring.r4 { inset: 126px; background: radial-gradient(circle at 38% 32%, rgba(40, 224, 200, .20), rgba(8, 25, 44, .9) 70%); border-color: rgba(120, 230, 255, .22); box-shadow: 0 0 60px rgba(40,224,200,.13), inset 0 0 40px rgba(40,224,200,.09); }
.orb-core { position: relative; text-align: center; z-index: 2; }
.orb-core .pulse-icon { font-size: 38px; filter: drop-shadow(0 0 16px rgba(40,224,200,.6)); }
.orb-core .core-title { font-size: 13px; letter-spacing: 3px; color: var(--text); margin-top: 6px; font-weight: 700; }
.orb-core .core-sub { font-family: var(--mono); font-size: 9px; letter-spacing: 1.4px; color: var(--muted-2); margin-top: 4px; }
.orb-node {
  position: absolute; width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 14px var(--accent); z-index: 3;
}
.orb-node.n1 { top: 12%; left: 20%; } .orb-node.n2 { top: 24%; right: 12%; background: var(--accent2); box-shadow: 0 0 14px var(--accent2); }
.orb-node.n3 { bottom: 16%; left: 15%; background: var(--accent2); box-shadow: 0 0 14px var(--accent2); }
.orb-node.n4 { bottom: 8%; right: 26%; }
.floating-card {
  position: absolute; z-index: 5; min-width: 158px;
  background: rgba(10, 28, 48, .82); border: 1px solid rgba(100, 210, 230, .22);
  border-radius: 12px; padding: 12px 14px; backdrop-filter: blur(12px);
  box-shadow: 0 12px 34px rgba(0,0,0,.4);
  animation: float 6s ease-in-out infinite;
}
.floating-card.fc1 { top: 44px; left: -26px; }
.floating-card.fc2 { right: -34px; top: 148px; animation-delay: -2s; }
.floating-card.fc3 { bottom: 40px; left: -8px; animation-delay: -4s; }
.fc-label { font-size: 10px; color: var(--muted-2); letter-spacing: 1px; }
.fc-value { font-size: 19px; font-weight: 700; color: #fff; line-height: 1.4; font-variant-numeric: tabular-nums; }
.fc-value small { font-size: 11px; color: var(--accent); font-weight: 500; }
.fc-spark { display: flex; align-items: flex-end; gap: 3px; height: 22px; margin-top: 6px; }
.fc-spark i { width: 5px; background: linear-gradient(var(--accent), transparent); border-radius: 2px 2px 0 0; opacity: .85; }
.ecg-box { position: absolute; bottom: -14px; right: 4%; width: 250px; z-index: 5; }
.ecg-box canvas { width: 100%; height: 58px; display: block; }
.ecg-label { font-family: var(--mono); font-size: 10px; letter-spacing: 1.2px; color: var(--muted-2); display: flex; justify-content: space-between; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; position: relative; scroll-margin-top: 76px; }
.section.alt { background: linear-gradient(180deg, rgba(8, 24, 42, .35), rgba(6, 16, 30, .1)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 860px; margin: 0 auto 54px; }
.section-kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 2.6px; color: var(--accent); text-transform: uppercase; }
.section-head h2 { font-size: clamp(28px, 3vw, 40px); margin: 12px 0 14px; letter-spacing: 1px; line-height: 1.35; }
.section-head p { color: var(--muted); font-size: 15px; margin: 0; line-height: 1.9; }
.divider-glow { width: 62px; height: 3px; border-radius: 3px; margin: 18px auto 0; background: linear-gradient(90deg, transparent, var(--accent), transparent); box-shadow: 0 0 16px var(--accent); }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.22,.8,.3,1), transform .7s cubic-bezier(.22,.8,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 产品矩阵 ---------- */
.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 38px; }
.chip {
  padding: 8px 18px; border-radius: 999px; font-size: 13px; cursor: pointer;
  color: var(--muted); background: rgba(255,255,255,.03); border: 1px solid var(--line);
  transition: all .22s;
}
.chip:hover { color: var(--text); border-color: var(--line-strong); }
.chip.active { color: #04141c; background: linear-gradient(120deg, var(--accent), #7ef0dd); border-color: transparent; font-weight: 700; box-shadow: 0 6px 20px rgba(40,224,200,.22); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-card {
  position: relative; padding: 22px 20px 20px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  backdrop-filter: blur(10px); cursor: pointer; overflow: hidden;
  transition: transform .28s, border-color .28s, box-shadow .28s, opacity .3s;
}
.product-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: radial-gradient(320px 180px at var(--mx, 50%) var(--my, 0%), rgba(40, 224, 200, .14), transparent 70%);
  pointer-events: none;
}
.product-card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 20px 44px rgba(0, 0, 0, .38), 0 0 0 1px rgba(40,224,200,.08); }
.product-card:hover::before { opacity: 1; }
.product-card.hidden { display: none; }
.pc-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; }
.pc-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 23px;
  background: linear-gradient(140deg, rgba(40, 224, 200, .16), rgba(77, 141, 255, .12));
  border: 1px solid rgba(100, 220, 230, .20);
}
.pc-id { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; color: var(--muted-2); }
.pc-name { font-size: 15px; font-weight: 700; line-height: 1.55; margin: 0 0 8px; min-height: 46px; }
.pc-desc { font-size: 12.5px; color: var(--muted); line-height: 1.75; margin: 0 0 18px; min-height: 66px; }
.pc-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 14px; }
.pc-tag { font-size: 11px; color: var(--accent); background: rgba(40, 224, 200, .09); border: 1px solid rgba(40,224,200,.18); padding: 3px 9px; border-radius: 5px; }
.pc-more { font-size: 12px; color: var(--muted-2); transition: color .2s; }
.product-card:hover .pc-more { color: var(--accent); }
.empty-state { text-align: center; color: var(--muted); padding: 60px 0; grid-column: 1 / -1; }

/* ---------- 全流程 ---------- */
.flow {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; position: relative;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 22px;
  overflow: hidden;
}
.flow::before {
  content: ''; position: absolute; top: 62px; left: 8%; right: 8%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent2), transparent);
  opacity: .55;
}
.flow-line {
  position: absolute; top: 61px; left: 8%; width: 84%; height: 2px; overflow: hidden;
}
.flow-line::after {
  content: ''; position: absolute; width: 34%; height: 100%;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  animation: flowMove 4s linear infinite; opacity: .8;
}
.flow-step { position: relative; text-align: center; padding: 0 6px; z-index: 2; }
.flow-dot {
  width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: 22px;
  background: #0a2036; border: 1px solid rgba(100, 210, 230, .34);
  box-shadow: 0 0 0 6px rgba(6, 18, 32, .9), 0 0 22px rgba(40, 224, 200, .14);
  transition: transform .3s, box-shadow .3s;
}
.flow-step:hover .flow-dot { transform: translateY(-4px) scale(1.06); box-shadow: 0 0 0 6px rgba(6,18,32,.9), 0 0 30px rgba(40,224,200,.4); }
.flow-num { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 1px; }
.flow-name { font-size: 16px; font-weight: 700; margin: 4px 0 6px; }
.flow-desc { font-size: 11.5px; color: var(--muted-2); line-height: 1.6; }
.flow-sys { font-size: 10.5px; color: var(--accent2); margin-top: 8px; opacity: .85; }

/* ---------- 技术优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.adv-card {
  position: relative; padding: 30px 26px; border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(14, 34, 56, .78), rgba(8, 22, 38, .55));
  border: 1px solid var(--line); overflow: hidden; transition: transform .3s, border-color .3s;
}
.adv-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.adv-card::after {
  content: ''; position: absolute; right: -40px; bottom: -60px; width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(40, 224, 200, .13), transparent 70%);
}
.adv-icon { font-size: 30px; margin-bottom: 18px; filter: drop-shadow(0 0 12px rgba(40,224,200,.35)); }
.adv-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 1.6px; color: var(--accent2); }
.adv-card h3 { font-size: 19px; margin: 8px 0 12px; }
.adv-card p { color: var(--muted); font-size: 13.5px; line-height: 1.9; margin: 0; }

/* ---------- 关于 / 公司信息 ---------- */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.license-card {
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow); position: relative;
}
.license-card img { width: 100%; aspect-ratio: 1.41; object-fit: cover; filter: saturate(.85) brightness(.92); }
.license-card::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 14, 26, .85));
}
.license-badge {
  position: absolute; z-index: 2; left: 18px; bottom: 18px; right: 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.license-badge span { font-size: 12px; color: var(--muted); }
.license-badge button {
  background: rgba(40, 224, 200, .12); color: var(--accent); border: 1px solid rgba(40,224,200,.35);
  border-radius: 8px; padding: 7px 13px; font-size: 12px; cursor: pointer;
}
.license-badge button:hover { background: rgba(40,224,200,.22); }
.about-copy h2 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.4; margin: 6px 0 18px; }
.about-copy > p { color: var(--muted); font-size: 14.5px; line-height: 2; margin: 0 0 18px; }
.pos-tag { display: inline-block; font-size: 12px; color: var(--accent); border: 1px solid rgba(40,224,200,.28); background: rgba(40,224,200,.07); padding: 6px 13px; border-radius: 999px; margin-bottom: 22px; }
.info-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.info-row { display: grid; grid-template-columns: 132px 1fr; border-bottom: 1px solid var(--line); }
.info-row:last-child { border-bottom: 0; }
.info-row dt { padding: 12px 16px; font-size: 13px; color: var(--muted-2); background: rgba(255,255,255,.022); }
.info-row dd { padding: 12px 16px; margin: 0; font-size: 13.5px; color: var(--text); word-break: break-all; }
.scope-text { max-height: 66px; overflow: hidden; transition: max-height .4s; line-height: 1.8; }
.scope-text.open { max-height: 620px; }
.scope-toggle { background: none; border: 0; color: var(--accent); font-size: 12px; cursor: pointer; padding: 8px 0 0; }
.notice-box { margin-top: 16px; padding: 12px 15px; border-left: 2px solid var(--accent2); background: rgba(77,141,255,.07); font-size: 12.5px; color: var(--muted); border-radius: 0 8px 8px 0; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.news-card {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: 22px 20px; cursor: pointer; transition: transform .28s, border-color .28s, box-shadow .28s;
  position: relative; overflow: hidden;
}
.news-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--nc, var(--accent)); opacity: .75; }
.news-card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: 0 16px 36px rgba(0,0,0,.32); }
.news-meta { display: flex; align-items: center; justify-content: space-between; font-size: 11px; color: var(--muted-2); font-family: var(--mono); }
.news-cat { color: var(--nc, var(--accent)); border: 1px solid currentColor; padding: 2px 8px; border-radius: 5px; font-family: var(--font); }
.news-card h3 { font-size: 15.5px; line-height: 1.65; margin: 16px 0 10px; min-height: 52px; }
.news-card p { font-size: 12.5px; color: var(--muted); line-height: 1.8; margin: 0; }
.news-more { display: block; margin-top: 18px; font-size: 12px; color: var(--accent); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.contact-form, .contact-info { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: 32px; }
.contact-form { transition: border-color .35s, box-shadow .35s; }
.contact-form.demo-focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(40, 224, 200, .12), 0 0 46px rgba(40, 224, 200, .20); }
.form-title { font-size: 20px; margin: 0 0 6px; }
.form-sub { color: var(--muted); font-size: 13px; margin: 0 0 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; background: rgba(4, 14, 26, .66); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; font-size: 14px;
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(40,224,200,.11); }
.field textarea { resize: vertical; min-height: 108px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 12px; color: var(--muted-2); margin-top: 12px; }
.contact-info h3 { font-size: 20px; margin: 0 0 24px; }
.ci-item { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.ci-item:last-of-type { border-bottom: 0; }
.ci-icon { width: 38px; height: 38px; flex-shrink: 0; border-radius: 10px; display: grid; place-items: center; font-size: 17px; background: rgba(40,224,200,.09); border: 1px solid rgba(40,224,200,.18); }
.ci-label { font-size: 11.5px; color: var(--muted-2); }
.ci-value { font-size: 14px; margin-top: 2px; word-break: break-all; }
.ci-value.empty { color: var(--muted-2); font-style: normal; }
.ci-link { color: var(--text); text-decoration: none; border-bottom: 1px dashed rgba(40,224,200,.38); transition: color .2s, border-color .2s; }
.ci-link:hover { color: var(--accent); border-color: var(--accent); }
.qr-card { margin-top: 24px; display: flex; gap: 18px; align-items: center; padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: linear-gradient(120deg, rgba(40,224,200,.07), rgba(77,141,255,.05) 60%, transparent); }
.qr-img { position: relative; flex-shrink: 0; width: 148px; height: 148px; padding: 7px; border: 0; border-radius: 12px; background: #fff; cursor: zoom-in; overflow: hidden; box-shadow: 0 0 0 1px rgba(40,224,200,.3), 0 0 26px rgba(40,224,200,.14); }
.qr-img img { display: block; width: 100%; height: 100%; object-fit: contain; }
.qr-img:disabled { cursor: default; background: rgba(255,255,255,.05); box-shadow: none; display: grid; place-items: center; }
.qr-empty { font-size: 12px; color: #5a6b7d; }
.qr-scan { position: absolute; left: 7px; right: 7px; top: 7px; height: 2px; pointer-events: none; opacity: .9; background: linear-gradient(90deg, transparent, var(--accent), transparent); animation: qrScan 2.8s linear infinite; }
@keyframes qrScan { from { transform: translateY(0); } to { transform: translateY(126px); } }
body.no-effects .qr-scan { display: none; }
.qr-meta { min-width: 0; }
.qr-title { font-size: 14px; font-weight: 600; color: var(--text); }
.qr-desc { margin-top: 6px; font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.qr-zoom-btn { margin-top: 10px; padding: 0; border: 0; background: none; color: var(--accent); font-size: 12.5px; cursor: pointer; }
.qr-zoom-btn:hover { text-decoration: underline; }
.qr-large-wrap { padding: 18px; border-radius: 14px; background: #fff; text-align: center; }
.qr-large-wrap img { width: min(320px, 100%); height: auto; display: block; margin: 0 auto; }
.contact-note { margin-top: 22px; padding: 16px; border-radius: 12px; background: rgba(77,141,255,.07); border: 1px dashed rgba(77,141,255,.28); font-size: 12.5px; color: var(--muted); line-height: 1.8; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: rgba(3, 10, 20, .75); padding: 60px 0 26px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand p { color: var(--muted-2); font-size: 13px; line-height: 1.9; margin: 16px 0 0; max-width: 340px; }
.footer h4 { font-size: 14px; margin: 0 0 16px; color: var(--text); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer li a { color: var(--muted-2); font-size: 13px; transition: color .2s; }
.footer li a:hover { color: var(--accent); }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--muted-2); }
.footer-bottom a { color: var(--muted); }

/* ---------- 浮层 / 弹窗 / 提示 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center;
  background: rgba(2, 8, 16, .78); backdrop-filter: blur(8px); padding: 24px;
}
.modal-mask.show { display: flex; }
.modal {
  width: min(680px, 100%); max-height: 86vh; overflow: auto;
  background: linear-gradient(150deg, #0e243c, #081728); border: 1px solid rgba(100, 210, 230, .28);
  border-radius: 18px; padding: 30px; box-shadow: 0 30px 90px rgba(0,0,0,.6);
  animation: modalIn .28s ease;
}
.modal.wide { width: min(940px, 100%); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.modal-head h3 { margin: 0; font-size: 22px; line-height: 1.45; }
.modal-kicker { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 1.4px; }
.modal-close { background: rgba(255,255,255,.05); border: 1px solid var(--line); color: var(--text); width: 34px; height: 34px; border-radius: 9px; cursor: pointer; font-size: 17px; flex-shrink: 0; }
.modal-close:hover { border-color: var(--accent); color: var(--accent); }
.modal-desc { color: var(--muted); line-height: 1.9; font-size: 14px; }
.modal-section-title { font-size: 13px; color: var(--text); margin: 24px 0 12px; font-weight: 700; }
.feature-list { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-list span { font-size: 12.5px; color: var(--accent); background: rgba(40,224,200,.08); border: 1px solid rgba(40,224,200,.2); border-radius: 7px; padding: 5px 11px; }
.metric-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.metric-list div { background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 9px; padding: 11px; font-size: 12px; color: var(--muted); text-align: center; }
.modal-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.license-full { width: 100%; border-radius: 10px; border: 1px solid var(--line); }
.news-body { color: var(--muted); line-height: 2; white-space: pre-wrap; font-size: 14px; }
.toast {
  position: fixed; z-index: 200; bottom: 30px; left: 50%; transform: translate(-50%, 20px);
  background: #0e2a3f; color: var(--text); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 12px 22px; font-size: 13.5px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.to-top {
  position: fixed; right: 24px; bottom: 26px; z-index: 50; width: 42px; height: 42px;
  border-radius: 12px; border: 1px solid var(--line-strong); background: rgba(10, 28, 48, .85);
  color: var(--accent); font-size: 18px; cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .3s;
  backdrop-filter: blur(10px);
}
.to-top.show { opacity: 1; pointer-events: auto; }

/* ---------- 动画 ---------- */
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes flowMove { from { transform: translateX(-110%); } to { transform: translateX(320%); } }
@keyframes modalIn { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .product-grid, .news-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { gap: 26px; }
  .orb { width: 340px; height: 340px; }
  .floating-card.fc1 { left: 0; } .floating-card.fc2 { right: 0; }
}
@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 14px 24px 22px; background: rgba(5,14,26,.99); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); box-shadow: 0 18px 40px rgba(0,0,0,.45); }
  .nav-links.open { display: flex; }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .hero { padding: 140px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 400px; margin-top: 10px; }
  .product-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .flow { grid-template-columns: repeat(4, 1fr); row-gap: 34px; }
  .flow::before, .flow-line { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .wrap { width: min(100% - 32px, 1200px); }
  .hero { padding: 122px 0 60px; }
  h1.hero-title { font-size: 34px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .hero-visual { height: 340px; }
  .orb { width: 280px; height: 280px; }
  .orb-ring.r2 { inset: 26px; } .orb-ring.r3 { inset: 58px; } .orb-ring.r4 { inset: 88px; }
  .floating-card { min-width: 126px; padding: 9px 11px; }
  .fc-value { font-size: 15px; }
  .floating-card.fc1 { top: 18px; left: -10px; } .floating-card.fc2 { right: -10px; top: 120px; } .floating-card.fc3 { bottom: 12px; left: -6px; }
  .ecg-box { display: none; }
  .section { padding: 68px 0; }
  .product-grid, .news-grid, .adv-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .info-row { grid-template-columns: 96px 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form, .contact-info { padding: 22px; }
  .qr-card { padding: 14px; gap: 14px; }
  .qr-img { width: 120px; height: 120px; }
  .qr-scan { display: none; }
  .modal { padding: 22px; }
}