/* ============================================================
   云南奇峰 · V8.6 设计系统
   ────────────────────────────────────────────────────────────
   配色：回退至 V4 深黑(#0A0B0D) + 纯亮绿(#32F08C)
   动效：保留 V8 扫描光带 / 粒子画布 / 光球 / 设备卡 3D / 数字滚动 / 滚动进度
   首页右侧 PCK 渲染图挂载自上而下扫描线（淡·宽·慢）
   移动优先 · 渐进增强
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --ink: #0A0B0D;            /* 页面最深底 · V4 深黑 */
  --steel-950: #0F1114;      /* 分区 alt 底 · V4 bg-soft */
  --steel-900: #141a1f;      /* 卡片底 */
  --steel-800: #0A0B0D;      /* 主背景 · V4 bg */
  --steel-700: #1a2127;      /* 次级面 */
  --line: rgba(255,255,255,0.10);   /* 描边 · V4 白透 */
  --line-soft: rgba(255,255,255,0.06); /* 弱描边 */

  --paper: #F5F9FE;          /* 主文字 · V4 */
  --paper-dim: #B3BAC6;      /* 次文字 · V4 */
  --paper-faint: #8B919C;    /* 弱文字 · V4 */

  --accent: #32F08C;          /* 主强调 · V4 亮绿（与 V8 同） */
  --accent-2: #0FDC78;        /* 深一档绿（渐变高光，去翡翠青） */
  --accent-cyan: #32F08C;     /* 收敛为绿（去青） */
  --accent-deep: #1bb968;     /* 深绿（hover / 描边） */
  --accent-dim: rgba(50,240,140,0.12);
  --accent-glow: rgba(50,240,140,0.32);

  --green: #32F08C;           /* 现货/达成（与主色一致） */
  --green-dim: rgba(50,240,140,0.12);
  --red: #c0504d;             /* 警告/缺货 · V4 danger */
  --red-dim: rgba(192,80,77,0.12);
  --blue: #32F08C;            /* 定制/技术 · 收敛为绿（去钢蓝） */

  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;

  /* 兼容别名（工具页 JS / 旧标记引用） */
  --danger: var(--red);
  --text: var(--paper);
  --text-muted: var(--paper-dim);
  --text-dim: var(--paper-faint);
  --border: var(--line);
  --bg: var(--steel-800);
  --bg-soft: var(--steel-700);
  --card-bg: var(--steel-900);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Consolas", "Liberation Mono", monospace;

  --maxw: 1180px;
  --header-h: 66px;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.25; font-weight: 700; }
p { margin: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
::selection { background: var(--accent); color: #0b0e11; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--steel-950); }
::-webkit-scrollbar-thumb { background: #2c3640; border-radius: 6px; border: 2px solid var(--steel-950); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-deep); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

/* ---------- 3. 布局工具 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 68px 0; position: relative; }
.section.alt { background: transparent; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head.head-left { text-align: left; margin-left: 0; }
.section-head.head-left .section-line { margin-left: 0; }

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .28em;
  text-transform: uppercase; color: var(--accent);
  padding: 6px 12px; border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: 3px; background: var(--steel-900);
}
.section-tag::before { content: ""; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }

.section-title { font-size: clamp(26px, 4.4vw, 40px); font-weight: 800; letter-spacing: -.01em; margin-top: 16px; }
.section-title .em { color: var(--accent); }
.section-line { width: 60px; height: 4px; background: var(--accent); margin: 18px auto 0; border-radius: 2px; }
.section-line::after { content: ""; display: block; width: 30px; height: 4px; background: var(--accent-2); margin-top: 4px; border-radius: 2px; opacity: .6; }
.section-desc { color: var(--paper-dim); font-size: 16px; margin-top: 18px; }
.section-desc b { color: var(--paper); }

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 4px; border: 1px solid transparent;
  font-weight: 700; font-size: 15px; letter-spacing: .02em; cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
  text-align: center; line-height: 1.2;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #0b0e11; box-shadow: 0 4px 14px -6px rgba(0,0,0,.5);
}
.btn-primary:hover { box-shadow: 0 8px 22px -8px rgba(0,0,0,.6); filter: brightness(1.05); }
.btn-outline { border-color: var(--line); color: var(--paper); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { color: var(--paper-dim); border-color: var(--line); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-block { width: 100%; }
.btn-lg { padding: 15px 30px; font-size: 16px; }

/* ---------- 5. 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(11,14,17,0.82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
  transition: background .25s ease, border-color .25s ease;
}
.header.scrolled { background: rgba(11,14,17,0.96); border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 18px; }

.logo { display: flex; align-items: center; gap: 11px; }
.logo-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  background: var(--accent); color: #0b0e11; font-weight: 900; font-size: 22px;
  border-radius: 4px; position: relative; clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}
.logo-name { font-weight: 800; font-size: 19px; letter-spacing: .02em; line-height: 1; }
.logo-name small { display: block; font-size: 12px; font-weight: 500; letter-spacing: .18em; color: var(--paper-faint); font-family: var(--font-mono); text-transform: uppercase; margin-top: 3px; }

.nav { display: none; gap: 4px; }
.nav-link { padding: 8px 12px; border-radius: 4px; color: var(--paper-dim); font-size: 15px; font-weight: 600; position: relative; }
.nav-link:hover { color: var(--paper); }
.nav-link.active { color: var(--accent); }
.nav-link.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; background: var(--accent); border-radius: 1px; }

.header-right { display: flex; align-items: center; gap: 12px; }
.phone-link { display: none; align-items: center; gap: 8px; font-family: var(--font-mono); font-weight: 700; color: var(--accent); font-size: 15px; }
.phone-link svg { color: var(--accent); }

.menu-toggle { display: grid; gap: 5px; background: none; border: 1px solid var(--line); border-radius: 4px; padding: 10px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--paper); border-radius: 1px; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动抽屉 */
.mobile-nav {
  position: fixed; inset: 0 0 0 auto; width: min(84vw, 320px); z-index: 120;
  background: var(--steel-950); border-left: 1px solid var(--line);
  padding: 22px; transform: translateX(100%);
  transition: transform .28s cubic-bezier(.22,.9,.28,1);
  display: flex; flex-direction: column; gap: 4px; overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-close { align-self: flex-end; background: none; border: 1px solid var(--line); color: var(--paper); font-size: 24px; line-height: 1; width: 40px; height: 40px; border-radius: 4px; cursor: pointer; }
.mobile-nav a { padding: 14px 12px; border-bottom: 1px solid var(--line-soft); color: var(--paper-dim); font-weight: 600; font-size: 17px; }
.mobile-nav a:hover { color: var(--accent); padding-left: 18px; }
.mobile-nav .m-nav-phone { margin-top: 18px; color: var(--accent); font-family: var(--font-mono); font-weight: 700; border: 1px solid var(--line); border-radius: 4px; text-align: center; }
.nav-backdrop { position: fixed; inset: 0; z-index: 110; background: rgba(0,0,0,.5); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.nav-backdrop.show { opacity: 1; pointer-events: auto; }

/* ---------- 6. 首屏 Hero ---------- */
.banner { position: relative; overflow: hidden; padding: 60px 0 72px; border-bottom: 1px solid var(--line-soft); }
.banner::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(720px 340px at 78% 18%, rgba(50,240,140,0.16), transparent 62%),
    radial-gradient(520px 300px at 8% 85%, rgba(50,240,140,0.08), transparent 60%);
}
/* 正文/栅格：不设 z-index（默认 auto=0），与取景框(0)同级、低于粒子(1) —— 粒子会飘过文字 */
.banner-grid { display: grid; grid-template-columns: 1fr; gap: 40px; position: relative; }

.banner-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .05em;
  color: var(--accent); border: 1px solid var(--line); background: var(--steel-900);
  padding: 7px 13px; border-radius: 999px;
}
.banner-badge .dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; }

.banner-title { font-size: clamp(40px, 9vw, 78px); font-weight: 900; letter-spacing: -.02em; line-height: 1.02; margin-top: 22px; }
.banner-title .hl {
  color: var(--accent);
}
.banner-subtitle { margin-top: 12px; font-size: 18px; color: var(--paper); font-weight: 600; }
.banner-desc { margin-top: 14px; color: var(--paper-dim); max-width: 560px; }
.banner-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

.banner-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; }
.banner-stat { padding: 16px 14px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: 4px; position: relative; }
.banner-stat::before { content: ""; position: absolute; top: 0; left: 0; width: 24px; height: 3px; background: var(--accent); }
.banner-stat .num { font-family: var(--font-mono); font-size: 26px; font-weight: 800; color: var(--accent); }
.banner-stat .num small { font-size: 14px; font-weight: 600; color: var(--paper-dim); }
.banner-stat .lbl { font-size: 12.5px; color: var(--paper-dim); margin-top: 4px; line-height: 1.4; }
.banner-stat .lbl small { display: block; color: var(--paper-faint); font-size: 11px; }

/* 设备铭牌卡：**不设 z-index**（照 v8.7 版式，避免创建独立堆叠上下文，
   使卡内取景框/扫描线与 banner 层的粒子画布在同一平面比较） */
.machine-card {
  position: relative; background: var(--steel-900); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 24px 60px -30px rgba(0,0,0,.8);
}
.machine-img { position: relative; overflow: hidden; background: #0e1216; aspect-ratio: 1 / 1; }
.machine-img img { width: 100%; height: auto; mix-blend-mode: screen; }
.machine-img::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(60% 60% at 50% 40%, transparent 40%, rgba(11,14,17,.55)); }
/* 四角取景框（照 v8.7 思路：与粒子/模型同平面直接比 z）
   包裹层挂 .banner 顶层，JS 同步到设备卡四角；z:1 = 最低层 */
.qf-corners { position: absolute; left: 0; top: 0; pointer-events: none; z-index: 1; }
.machine-corner { position: absolute; width: 22px; height: 22px; border: 2px solid var(--accent); opacity: .8; }
.machine-corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.machine-corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.machine-corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.machine-corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.machine-params { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); }
.machine-params .param { padding: 16px 14px; text-align: center; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.machine-params .param:nth-child(2n) { border-right: 0; }
.machine-params .param:nth-child(n+3) { border-bottom: 0; }
.machine-params .param .v { font-family: var(--font-mono); font-weight: 800; font-size: 17px; color: var(--accent); }
.machine-params .param .k { font-size: 11px; color: var(--paper-faint); font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase; margin-top: 2px; }

.banner-scroll-hint { display: none; }

/* ---------- 7. 卡片通用 ---------- */
.card {
  position: relative; background: var(--steel-900); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 24px; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line); box-shadow: 0 18px 40px -24px rgba(0,0,0,.9); }
.card::before, .card::after { content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--line); }
.card::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.card::after { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.card:hover::before, .card:hover::after { border-color: var(--accent); }

/* 产品卡 */
.product-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.product-card { position: relative; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .18s ease, border-color .18s ease; }
.product-card:hover { transform: translateY(-4px); border-color: var(--accent-deep); }
.product-card .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #10151a; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .thumb img { transform: scale(1.05); }
.product-card .thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(11,14,17,.7)); }
.card-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .08em;
  padding: 4px 9px; border-radius: 3px; color: #0b0e11; background: var(--accent);
}
.card-badge.定制, .card-badge.custom { background: var(--blue); color: #08131f; }
.card-badge.热销款, .card-badge.hot { background: var(--red); color: #fff; }
.card-badge.免费, .card-badge.free { background: var(--green); color: #06220f; }
.product-card .card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-title { font-size: 19px; font-weight: 800; letter-spacing: -.01em; }
.card-scene { color: var(--paper-dim); font-size: 14px; margin-top: 6px; }
.card-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 5px; margin: 16px 0; overflow: hidden; }
.spec-item { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; background: var(--steel-800); }
.spec-label { font-size: 11px; color: var(--paper-faint); font-family: var(--font-mono); letter-spacing: .06em; }
.spec-value { font-size: 14.5px; color: var(--paper); font-weight: 600; }
.spec-item.highlight { background: var(--accent-dim); }
.spec-item.highlight .spec-value { color: var(--accent); }
.spec-item.highlight .spec-value b { font-family: var(--font-mono); font-size: 15px; }
.card-btn { display: block; margin-top: auto; text-align: center; padding: 11px; border-radius: 4px; border: 1px solid var(--line); color: var(--paper); font-weight: 700; font-size: 14px; transition: all .18s ease; }
.card-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* 关于/简介 */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: start; }
.about-text h3 { font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.about-text p { color: var(--paper-dim); font-size: 15px; margin-bottom: 12px; }

/* 认证/价值/技术卡 */
.cert-grid, .value-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.cert-card, .value-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); }
.cert-card h4, .value-item h4 { font-size: 17px; margin-bottom: 8px; }
.cert-card p, .value-item p { color: var(--paper-dim); font-size: 14.5px; line-height: 1.6; }
.cert-icon, .value-icon, .tech-icon { color: var(--accent); display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 4px; background: var(--accent-dim); flex: none; }

.tech-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.tech-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); }
.tech-item h4 { font-size: 16.5px; margin-bottom: 8px; }
.tech-item p { color: var(--paper-dim); font-size: 14.5px; line-height: 1.6; }
.tech-body { flex: 1; min-width: 0; }
.info-h { font-size: 16px; font-weight: 700; margin-bottom: 4px; color: var(--paper); }
.value-h { font-size: 16.5px; font-weight: 700; margin-bottom: 6px; color: var(--paper); }

/* 统计 */
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 36px; }
.stat-item { padding: 22px 18px; text-align: center; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); }
.stat-num { font-family: var(--font-mono); font-size: 36px; font-weight: 900; color: var(--accent); line-height: 1; }
.stat-num .unit { font-size: 16px; font-weight: 700; color: var(--paper-dim); margin-left: 2px; }
.stat-lbl { font-size: 13px; color: var(--paper-dim); margin-top: 8px; }

/* ---------- 8. 对比（传统 vs PCK） ---------- */
.compare-wrap { display: grid; grid-template-columns: 1fr; gap: 14px; align-items: stretch; }
.compare-card { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 22px; background: var(--steel-900); }
.compare-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.compare-header h3 { font-size: 18px; font-weight: 800; }
.compare-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 3px; }
.compare-tag.old { background: var(--red-dim); color: var(--red); }
.compare-tag.new { background: var(--accent-dim); color: var(--accent); }
.compare-list li { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; border-bottom: 1px dashed var(--line-soft); font-size: 14.5px; color: var(--paper-dim); }
.compare-list li:last-child { border-bottom: 0; }
.compare-list li svg { flex: none; margin-top: 3px; }
.compare-old .compare-list li svg { color: var(--red); }
.compare-new .compare-list li svg { color: var(--green); }
.compare-list strong { color: var(--paper); }
.compare-new { border-color: var(--accent-deep); box-shadow: 0 20px 50px -30px rgba(0,0,0,.7); }
.compare-vs { display: grid; place-items: center; }
.vs-circle { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #0b0e11; font-weight: 900; font-size: 15px; }

/* ---------- 9. 时间线 ---------- */
.timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: linear-gradient(var(--accent), var(--line)); }
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot { position: absolute; left: -24px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); border: 3px solid var(--accent); }
.tl-card { background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 18px; }
.tl-year { font-family: var(--font-mono); font-size: 12px; color: var(--accent); font-weight: 700; letter-spacing: .08em; }
.tl-card h3 { font-size: 16.5px; margin: 6px 0 6px; }
.tl-card p { color: var(--paper-dim); font-size: 14px; }

/* ---------- 10. 资质/说明 ---------- */
.qual-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.qual-item { display: flex; gap: 14px; padding: 20px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); }
.qual-ic { flex: none; color: var(--accent); width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 4px; background: var(--accent-dim); }
.qual-item h4 { font-size: 15.5px; margin-bottom: 6px; }
.qual-item p { color: var(--paper-dim); font-size: 13.5px; }
.qual-item a { color: var(--accent); font-size: 13.5px; font-weight: 600; display: inline-block; margin-top: 6px; }
.honesty-note {
  margin-top: 28px; padding: 16px 18px; border-left: 2px solid var(--accent);
  background: var(--accent-dim); border-radius: 0 6px 6px 0; color: var(--paper-dim); font-size: 13.5px; line-height: 1.7;
}
.honesty-note b { color: var(--paper); }

/* ---------- 11. 表格 ---------- */
.spec-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--steel-900); -webkit-overflow-scrolling: touch; padding: 4px; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.spec-table th, .spec-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.spec-table thead th { background: var(--steel-800); color: var(--paper-faint); font-size: 12px; font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase; font-weight: 700; position: sticky; top: 0; }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover td { background: var(--steel-800); }
.spec-table td b { color: var(--accent); font-family: var(--font-mono); }
.spec-table td:first-child { color: var(--paper); font-weight: 600; }
.note-pill { display: inline-block; font-size: 11px; padding: 2px 7px; border-radius: 3px; background: var(--accent-dim); color: var(--accent); }

/* ---------- 12. 表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.contact-info { display: grid; gap: 12px; }
.info-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); }
.info-ic { flex: none; color: var(--accent); width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 4px; background: var(--accent-dim); }
.info-item h4 { font-size: 15px; margin-bottom: 4px; }
.info-item p { color: var(--paper-dim); font-size: 14.5px; }
.info-item p a { color: var(--accent); font-weight: 700; font-family: var(--font-mono); }
.info-item .dim { color: var(--paper-faint); font-size: 12.5px; }

.contact-form, .tool-card { background: var(--steel-900); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.contact-form h3 { font-size: 20px; font-weight: 800; }
.form-tip { color: var(--paper-dim); font-size: 14px; margin: 8px 0 20px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--paper-dim); }
.form-group label .req { color: var(--accent); }
.form-group input, .form-group select, .form-group textarea,
.tool-group input, .tool-group select {
  width: 100%; padding: 13px 14px; font-size: 15px; color: var(--paper);
  background: var(--steel-800); border: 1px solid var(--line); border-radius: 6px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus,
.tool-group input:focus, .tool-group select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group .field-hint { font-size: 12px; color: var(--paper-dim); opacity: .7; line-height: 1.5; }
.form-success { display: none; padding: 14px 16px; background: var(--green-dim); border: 1px solid rgba(50,240,140,.3); color: var(--green); border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.form-success.show { display: block; }

/* ---------- 13. 页脚 ---------- */
.footer { background: var(--steel-950); border-top: 1px solid var(--line); padding: 56px 0 0; margin-top: 0; position: relative; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
.footer-brand p { color: var(--paper-dim); font-size: 14px; margin-top: 12px; }
.footer-tagline { color: var(--accent); font-weight: 600; font-size: 13px; font-family: var(--font-mono); letter-spacing: .04em; }
.footer-links h4, .footer-contact h4, .footer-h { font-size: 14px; color: var(--paper-faint); text-transform: uppercase; letter-spacing: .12em; font-family: var(--font-mono); margin-bottom: 14px; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; }
.footer-links a { color: var(--paper-dim); font-size: 14px; }
.footer-links a:hover { color: var(--accent); }
.footer-contact p { color: var(--paper-dim); font-size: 14px; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid var(--line-soft); padding: 20px 0; }
.footer-bottom p { color: var(--paper-faint); font-size: 12.5px; }
.footer-bottom .org-line { margin-top: 4px; font-size: 12px; }

/* ---------- 14. 页头（内页 hero） ---------- */
.page-hero { padding: 46px 0; border-bottom: 1px solid var(--line-soft); position: relative; overflow: hidden; background: var(--steel-950); }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(560px 260px at 82% 10%, rgba(50,240,140,0.12), transparent 60%); }
.page-hero .container { position: relative; }
.page-hero-tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: .28em; color: var(--accent); text-transform: uppercase; }
.page-hero-title { font-size: clamp(30px, 6vw, 46px); font-weight: 900; margin-top: 10px; letter-spacing: -.01em; }
.page-hero-sub { color: var(--paper-dim); font-size: 16px; margin-top: 10px; }
.breadcrumb { margin-top: 16px; font-size: 13px; color: var(--paper-faint); }
.breadcrumb a { color: var(--paper-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 8px; color: var(--paper-faint); }

/* ---------- 15. FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; display: grid; gap: 10px; }
.faq-item { background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.faq-item.open { border-color: var(--accent-deep); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; padding: 18px 20px; background: none; border: 0; color: var(--paper); cursor: pointer; text-align: left; font-weight: 700; font-size: 16px; }
.faq-q .q-mark { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 4px; background: var(--accent-dim); color: var(--accent); font-family: var(--font-mono); font-weight: 900; font-size: 14px; margin-right: 12px; flex: none; }
.faq-q .faq-toggle { flex: none; width: 28px; height: 28px; display: grid; place-items: center; color: var(--accent); font-size: 22px; font-family: var(--font-mono); transition: transform .2s ease; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 20px 20px 58px; color: var(--paper-dim); font-size: 15px; }
.faq-a-inner b { color: var(--paper); }
.faq-a-inner a { color: var(--accent); font-weight: 600; }

/* ---------- 16. 案例 ---------- */
.case-card { display: grid; grid-template-columns: 1fr; gap: 22px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 20px; }
.case-visual { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.case-visual img { width: 100%; height: 100%; object-fit: cover; }
.case-cat { display: inline-block; font-family: var(--font-mono); font-size: 12px; color: var(--accent); border: 1px solid var(--accent-deep); background: var(--accent-dim); padding: 4px 10px; border-radius: 3px; margin-bottom: 12px; }
.case-body h3 { font-size: 21px; font-weight: 800; }
.case-meta { color: var(--paper-dim); font-size: 14px; margin-top: 8px; }
.case-sec { margin-top: 18px; }
.case-sec h4 { font-size: 15px; color: var(--accent); margin-bottom: 6px; }
.case-sec p { color: var(--paper-dim); font-size: 14.5px; }
.case-sec ul li { position: relative; padding-left: 18px; color: var(--paper-dim); font-size: 14.5px; margin-bottom: 6px; }
.case-sec ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; background: var(--accent); border-radius: 1px; }
.result-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.result-pill { font-family: var(--font-mono); font-size: 12px; padding: 5px 11px; border-radius: 3px; border: 1px solid var(--line); color: var(--paper-dim); }

/* ---------- 17. 滚动进度 / 回顶 ---------- */
.qf-scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200; background: transparent; pointer-events: none; }
.qf-scroll-progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-cyan)); }
.to-top {
  position: fixed; right: 18px; bottom: 22px; z-index: 90;
  width: 46px; height: 46px; border-radius: 4px; display: grid; place-items: center;
  background: var(--accent); color: #0b0e11; box-shadow: 0 6px 18px -8px rgba(0,0,0,.6);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 18. 工具页组件 ---------- */
.tool-card { padding: 26px; }
.tool-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.tool-card h3 .step { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 4px; background: var(--accent); color: #0b0e11; font-size: 14px; margin-right: 8px; }
.tool-input-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin-bottom: 20px; }
.tool-group { display: flex; flex-direction: column; gap: 7px; }
.tool-group label { font-size: 13px; font-weight: 600; color: var(--paper-dim); }
.tool-result { margin-top: 24px; padding: 20px; background: var(--steel-800); border: 1px solid var(--line); border-radius: var(--radius); }
.tool-result h4 { font-size: 16px; font-weight: 800; margin-bottom: 16px; color: var(--accent); }
.tool-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
.tool-stat { padding: 16px; background: var(--steel-900); border: 1px solid var(--line-soft); border-radius: var(--radius); text-align: center; }
.tool-stat .v { font-family: var(--font-mono); font-size: 22px; font-weight: 800; color: var(--accent); word-break: break-word; }
.tool-stat .k { font-size: 12px; color: var(--paper-dim); margin-top: 4px; }
.tool-save { color: var(--paper-faint); font-size: 13px; margin-top: 16px; }
.tool-save b { color: var(--accent); }

/* 锤头对比计算器 */
.detail-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px; }
.detail-table th, .detail-table td { padding: 10px 12px; text-align: center; border: 1px solid var(--line-soft); }
.detail-table th { background: var(--steel-800); color: var(--paper-faint); font-weight: 600; font-size: 13px; }
.detail-table td { color: var(--paper-dim); }
.detail-table td:first-child { text-align: left; color: var(--paper); font-weight: 600; }
.detail-table td.hl-green { color: var(--green); font-weight: 700; }
.detail-table td.hl-red { color: var(--red); font-weight: 700; }

.bar-compare { margin: 20px 0 28px; }
.bar-row { display: grid; grid-template-columns: 84px 1fr 92px; align-items: center; gap: 12px; margin-bottom: 12px; }
.bar-label { font-size: 13px; color: var(--paper-dim); text-align: right; }
.bar-track { height: 26px; background: var(--steel-800); border-radius: 4px; overflow: hidden; border: 1px solid var(--line-soft); }
.bar-fill { height: 100%; border-radius: 3px; display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; font-size: 11px; font-weight: 700; color: #0b0e11; min-width: 30px; transition: width .8s ease; }
.bar-fill.red { background: linear-gradient(90deg, #ff7a7e, var(--red)); }
.bar-fill.green { background: linear-gradient(90deg, #4fe79a, var(--green)); }
.bar-value { font-size: 13px; color: var(--paper); font-weight: 700; font-family: var(--font-mono); }

.conclusion-box { padding: 20px 22px; border-radius: var(--radius); background: var(--accent-dim); border: 1px solid rgba(50,240,140,.3); margin-top: 18px; }
.conclusion-box h4 { color: var(--accent); margin-bottom: 10px; font-size: 15px; }
.conclusion-box p { color: var(--paper-dim); font-size: 14.5px; line-height: 1.8; }
.conclusion-box b { color: var(--paper); }

.payback-box { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 16px; }

/* 分组工具结果表 */
.group-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 480px; }
.group-table th, .group-table td { padding: 8px 10px; text-align: center; border: 1px solid var(--line-soft); }
.group-table thead th { background: var(--steel-800); color: var(--paper-faint); font-family: var(--font-mono); font-size: 12px; }
.group-table .group-row td:first-child { text-align: left; color: var(--paper); font-weight: 700; }
.group-table .spacer { background: var(--steel-800); opacity: .35; }
.group-table .sum-col { color: var(--accent); font-weight: 800; font-family: var(--font-mono); background: var(--accent-dim); }
.group-table .min-group-header td { color: var(--paper-faint); font-size: 12px; background: var(--steel-800); }

/* 金属计算器 mw-* */
.mw-label { font-size: 13px; color: var(--paper-dim); margin-bottom: 6px; }
.mw-section-title { font-size: 15px; font-weight: 700; color: var(--paper); margin: 20px 0 12px; }
.mw-select { width: 100%; padding: 12px 14px; background: var(--steel-800); border: 1px solid var(--line); border-radius: 6px; color: var(--paper); font-size: 15px; }
.mw-select:focus { outline: none; border-color: var(--accent); }
.mw-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.mw-tab { padding: 10px 18px; border: 1px solid var(--line); border-radius: 6px; background: var(--steel-800); color: var(--paper-dim); cursor: pointer; font-size: 14px; transition: all .18s ease; }
.mw-tab:hover { border-color: var(--accent); color: var(--paper); }
.mw-tab.active { background: var(--accent); color: #0b0e11; border-color: var(--accent); font-weight: 700; }

.mw-proot { background: var(--steel-800); border: 1px solid var(--accent-deep); border-radius: var(--radius); padding: 4px 12px 8px; margin-top: 10px; }
.mw-proot > summary { color: var(--paper); font-size: 15px; font-weight: 700; cursor: pointer; padding: 8px 2px; list-style: none; }
.mw-proot > summary::-webkit-details-marker, .mw-pcat > summary::-webkit-details-marker, .mw-detail > summary::-webkit-details-marker, .mw-ref > summary::-webkit-details-marker { display: none; }
.mw-proot > summary::before, .mw-pcat > summary::before, .mw-detail > summary::before, .mw-ref > summary::before { content: "▸ "; color: var(--accent); }
.mw-proot[open] > summary::before, .mw-pcat[open] > summary::before, .mw-detail[open] > summary::before, .mw-ref[open] > summary::before { content: "▾ "; }
.mw-pcnt { font-size: 11px; color: var(--paper-faint); font-weight: 400; margin-left: 6px; }
.mw-pcats { margin-top: 6px; border-top: 1px solid var(--line-soft); padding-top: 6px; }
.mw-pcat { background: var(--steel-900); border-radius: 8px; margin-bottom: 6px; }
.mw-pcat > summary { color: var(--paper); font-size: 13px; cursor: pointer; padding: 8px 10px; list-style: none; }
.mw-pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 7px; padding: 8px 10px 12px; }
.mw-pitem { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 8px 10px; background: var(--steel-800); color: var(--paper); border: 1px solid var(--line-soft); border-radius: 6px; cursor: pointer; font-size: 13px; text-align: left; transition: border-color .15s ease; }
.mw-pitem:hover { border-color: var(--accent); }
.mw-pitem.selected { background: var(--accent); color: #0b0e11; border-color: var(--accent); font-weight: 700; }
.mw-pitem .mw-pname { font-weight: 600; line-height: 1.3; }
.mw-pitem .mw-psub { font-size: 11px; color: var(--paper-faint); }
.mw-pitem.selected .mw-psub { color: rgba(18,11,2,.7); }

.mw-result { margin-top: 22px; padding: 20px; border-radius: var(--radius); background: var(--steel-800); border: 1px solid var(--line); }
.mw-result h4 { font-size: 15px; font-weight: 800; margin-bottom: 14px; color: var(--accent); }
.mw-rgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.mw-stat { padding: 16px; background: var(--steel-900); border-radius: var(--radius); border: 1px solid var(--line-soft); }
.mw-stat .v { font-family: var(--font-mono); font-size: 20px; font-weight: 800; color: var(--accent); word-break: break-word; }
.mw-stat .k { font-size: 12px; color: var(--paper-dim); margin-top: 4px; }
.mw-formula { margin-top: 14px; padding: 12px 14px; background: var(--steel-900); border: 1px dashed var(--line); border-radius: 8px; font-size: 13px; color: var(--paper-dim); line-height: 1.6; word-break: break-word; font-family: var(--font-mono); }
.mw-warn { margin-top: 14px; padding: 12px 14px; background: var(--red-dim); border: 1px solid rgba(255,90,95,.35); border-radius: 8px; color: #ff9a9e; font-size: 13px; }
.mw-detail, .mw-ref { margin-top: 16px; background: var(--steel-800); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 16px 16px; }
.mw-detail > summary, .mw-ref > summary { color: var(--accent); cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none; }
.mw-detail-body h5 { font-size: 14px; font-weight: 700; color: var(--paper); margin: 16px 0 8px; }
.mw-dl { display: grid; grid-template-columns: 1fr; gap: 10px; }
.mw-dl > div { display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; background: var(--steel-900); border-radius: 8px; }
.mw-dl .k { color: var(--paper-faint); font-size: 13px; flex: none; }
.mw-dl .v { color: var(--paper); font-size: 13px; font-weight: 500; text-align: right; }
.mw-mklist { margin: 0; padding-left: 18px; list-style: disc; color: var(--paper-dim); font-size: 13px; line-height: 1.8; }
.mw-mklist em { color: var(--accent); font-style: normal; }
.mw-ref-filter { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0 14px; }
.mw-ref-filter label { font-size: 13px; color: var(--paper-dim); display: flex; flex-direction: column; gap: 6px; }
.mw-ref-filter select { padding: 9px 10px; background: var(--steel-900); border: 1px solid var(--line); border-radius: 6px; color: var(--paper); font-size: 13px; }

/* ---------- 19. 动效 ---------- */
/* 仅当 JS 可用时才隐藏待入场元素（.js 由 main.js 在文档根部注入），避免无 JS 时内容不可见 */
.js .fade-in { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .fade-in.visible { opacity: 1; transform: none; }
[data-qf-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
[data-qf-reveal].revealed { opacity: 1; transform: none; }

/* ---------- 20. 响应式 ---------- */
@media (min-width: 640px) {
  .about-grid { grid-template-columns: 1.1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .tool-input-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-result-grid { grid-template-columns: repeat(4, 1fr); }
  .mw-rgrid { grid-template-columns: repeat(3, 1fr); }
  .mw-dl { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .case-card { grid-template-columns: 320px 1fr; }
  .phone-link { display: inline-flex; }
}

@media (min-width: 900px) {
  .nav { display: flex; }
  .phone-link { display: inline-flex; }
  .menu-toggle { display: none; }
  .banner-grid { grid-template-columns: 1.05fr 1fr; align-items: center; gap: 48px; }
  .banner { padding: 76px 0 88px; }
  .banner-scroll-hint { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--paper-faint); font-size: 12px; margin-top: 40px; letter-spacing: .1em; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .compare-wrap { grid-template-columns: 1fr auto 1fr; }
  .contact-grid { grid-template-columns: 1fr 1.15fr; gap: 28px; }
  .qual-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .tool-input-grid { grid-template-columns: repeat(3, 1fr); }
  .payback-box { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 20b. V5 传承动效：光球 / 粒子画布 / 扫描光带 / 设备卡 3D ---------- */
.qf-orb { position: absolute; border-radius: 50%; filter: blur(52px); pointer-events: none; z-index: 0; opacity: .5; }
.qf-orb.o1 { width: 340px; height: 340px; background: radial-gradient(circle, rgba(50,240,140,.55), transparent 70%); top: -90px; right: -70px; }
.qf-orb.o2 { width: 280px; height: 280px; background: radial-gradient(circle, rgba(50,240,140,.35), transparent 70%); bottom: 8%; left: -90px; }
.qf-orb.o3 { width: 190px; height: 190px; background: radial-gradient(circle, rgba(50,240,140,.35), transparent 70%); top: 42%; left: 32%; }
/* 粒子画布：z:2 —— 取景框(1) 之上、模型/扫描线(3) 之下 */
.qf-canvas { position: absolute; inset: 0; z-index: 2; pointer-events: none; }

/* 扫描线：z:4 —— 最高层，横向扫过 3D 模型表面 */
.scanline { position: absolute; left: 0; right: 0; top: -10px; height: 9px; z-index: 4; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(50,240,140,.42), transparent);
  animation: qf-scan 6s linear infinite; }
@keyframes qf-scan { 0% { top: -10px; } 100% { top: 100%; } }

/* 首页 3D 画布：z:3 —— 压在粒子(2) 之上，扫描线(4) 之下 */
.home3d-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 3; }

.machine-card { transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .25s ease; will-change: transform; }

/* ---------- 21. 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; }
  .fade-in, [data-qf-reveal] { opacity: 1 !important; transform: none !important; }
  .scanline { display: none; }
}

.footer-social { padding: 16px 0 4px; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.footer-social .fs-label { color: var(--paper-faint); font-size: 13px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .12em; }
.footer-social a { color: var(--paper-dim); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.footer-social a:hover { color: var(--accent); }
.machine-note { margin-top: 12px; padding: 0 6px 6px; font-size: 12px; color: var(--paper-faint); font-family: var(--font-mono); letter-spacing: .04em; }
.hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-consent { margin-top: 14px; margin-bottom: 18px; }
.form-consent .consent-label { justify-content: center; text-align: center; }
.consent-label { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--paper-dim); font-weight: 400; line-height: 1.5; cursor: pointer; }
.consent-label a { color: var(--accent); }
.consent-label input { width: 15px; height: 15px; padding: 0; margin: 2px 0 0; flex: none; accent-color: var(--accent); cursor: pointer; }

.machine-img model-viewer, .machine-img .pck-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.machine-img model-viewer { --poster-color: transparent; }
.model-loading { position: absolute; inset: 0; display: grid; place-items: center; z-index: 3; pointer-events: none; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--paper-dim); }

/* ===== 3D 懒加载（方案B）：默认静态图，点击按钮才加载 GLB ===== */
.machine-img img.pck-poster { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: normal; display: block; }
.btn-view-3d {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  z-index: 4; padding: 12px 22px; border-radius: 999px;
  border: 1px solid var(--accent); background: rgba(10,11,13,.72); color: var(--accent);
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em; cursor: pointer;
  backdrop-filter: blur(4px); transition: background .2s, color .2s;
}
.btn-view-3d:hover { background: var(--accent); color: #0A0B0D; }
.machine-img .pck-canvas { display: none; }
.model-loading { display: none; }

/* v8.72: 占位图隐藏 —— 后续填真实图时，把对应 <img> 的 class="ph-img" 去掉即可显示 */
.ph-img{display:none}