/* ============================================================
   湖北飞智超服装辅料有限公司 · 企业官网 v2
   方向：织造科技 —— 深空底 + 凤凰红 + 经纬网格 + 弹力波形
   ============================================================ */

:root {
  --bg: #070B16;            /* 深空底 */
  --bg-2: #0C1428;          /* 面板 */
  --bg-3: #111D3A;          /* 卡片 */
  --hairline: rgba(150, 168, 205, .15);
  --hairline-strong: rgba(150, 168, 205, .3);
  --text: #E9EEF9;
  --muted: #93A0BD;
  --red: #FF4536;           /* 凤凰红（取自 logo） */
  --red-deep: #D42B2B;
  --red-glow: rgba(255, 69, 54, .38);
  --cyan: #3FE0CE;          /* 数据青（仅作数据点缀） */
  --grid: rgba(148, 163, 196, .055);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
          "Liberation Mono", monospace;

  --header-h: 70px;
  --radius: 12px;
  --glow: 0 0 34px -6px var(--red-glow);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

html, body { overflow-x: clip; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 2px; }

section[id] { scroll-margin-top: calc(var(--header-h) + 14px); }

/* ---------- 通用 ---------- */

.container { width: min(1180px, 92%); margin-inline: auto; }

.eyebrow {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--red);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  border-top: 2px dashed var(--red);
  align-self: center;
}
.eyebrow span { color: var(--muted); letter-spacing: .24em; }

h1, h2, h3 { line-height: 1.26; font-weight: 800; letter-spacing: .015em; }
h2 { font-size: clamp(26px, 3.2vw, 36px); }

.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head p { color: var(--muted); margin-top: 12px; }

.mono { font-family: var(--mono); }

/* 防扫号：电话/邮箱以图片呈现 */
.obf {
  display: inline-block;
  height: 20px;
  width: auto;
  vertical-align: middle;
  margin-top: -3px;
}
.topbar .obf { height: 17px; margin-top: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease,
              background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, #FF5A3C, var(--red-deep));
  color: #fff;
}
.btn-primary:hover { box-shadow: var(--glow); transform: translateY(-1px); }
.btn-ghost {
  border-color: var(--hairline-strong);
  color: var(--text);
  background: rgba(150, 168, 205, .05);
}
.btn-ghost:hover { border-color: var(--red); color: #fff; }

/* 深色区块里的经纬网格 */
.mesh {
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 46px 46px;
}

/* 顶部进度条（缝线 → 走线） */
#stitch-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--red-deep), var(--red));
  box-shadow: 0 0 12px var(--red-glow);
  z-index: 90;
  pointer-events: none;
}

/* ---------- 顶栏 ---------- */

.topbar {
  background: #05080F;
  border-bottom: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 13px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  gap: 16px;
}
.topbar-note { font-family: var(--mono); letter-spacing: .16em; font-size: 11px; }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-tel { white-space: nowrap; }
.topbar-tel a:hover { color: var(--red); }
.lang-switch { display: flex; align-items: center; gap: 8px; font-family: var(--mono); }
.lang-switch .cur { color: var(--red); font-weight: 700; }
.lang-switch a { opacity: .8; padding: 2px 4px; }
.lang-switch a:hover { opacity: 1; color: #fff; }

/* ---------- 导航 ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 22, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
  transition: box-shadow .25s ease, background-color .25s ease;
}
.site-nav.scrolled {
  background: rgba(7, 11, 22, .95);
  box-shadow: 0 12px 40px -20px rgba(0, 0, 0, .8);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 44px; height: 44px;
  border-radius: 9px;
  background: #fff;
  overflow: hidden;
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 1px var(--hairline-strong);
}
.brand-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-text { line-height: 1.25; }
.brand-text b { font-size: 17px; letter-spacing: .04em; display: block; color: var(--text); }
.brand-text small {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: 9px 14px;
  font-size: 15px;
  color: var(--text);
  border-radius: 7px;
  transition: color .15s ease, background-color .15s ease;
}
.nav-links a:hover { color: var(--red); background: rgba(255, 69, 54, .08); }
.nav-cta { margin-left: 10px; padding: 11px 20px; }

.nav-toggle {
  display: none;
  background: rgba(150, 168, 205, .06);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  width: 44px; height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.hero::before {
  /* 经纬网格 */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 30%, #000 30%, transparent 78%);
}
.hero::after {
  /* 凤凰红辉光 */
  content: "";
  position: absolute;
  top: -220px; right: -160px;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(255, 69, 54, .16) 0%, transparent 62%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 56px;
  padding: 92px 0 96px;
}
.hero .container > * { min-width: 0; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before { content: ""; width: 34px; border-top: 2px dashed var(--red); }
.hero-eyebrow i { font-style: normal; color: var(--red); }

.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.16;
}
.hero h1 em {
  font-style: normal;
  color: var(--red);
  text-shadow: 0 0 34px var(--red-glow);
}
.hero-lead {
  color: var(--muted);
  font-size: 17px;
  max-width: 33em;
  margin: 22px 0 32px;
}
.hero-lead b { color: var(--text); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 10px 44px;
  justify-content: start;
}
.hero-stats b {
  display: block;
  font-family: var(--mono);
  font-size: 27px;
  font-weight: 700;
  color: var(--text);
}
.hero-stats b i { font-style: normal; color: var(--red); }
.hero-stats span { font-size: 12.5px; color: var(--muted); letter-spacing: .05em; }

/* —— 签名视觉：织造智控面板 —— */

.tech-panel {
  position: relative;
  min-width: 0;
  border: 1px solid var(--hairline-strong);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(17, 29, 58, .72), rgba(10, 17, 34, .9));
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .75), inset 0 1px 0 rgba(233, 238, 249, .06);
  overflow: hidden;
  animation: panelIn .9s cubic-bezier(.2, .8, .25, 1) both .15s;
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; }
}
.tech-panel::before {
  /* 面板走线（虚线 = 缝线 = 电路） */
  content: "";
  position: absolute;
  inset: 10px;
  border: 1.5px dashed rgba(255, 69, 54, .28);
  border-radius: 11px;
  pointer-events: none;
}
.tp-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}
.tp-head .tp-title {
  margin-left: 4px;
  white-space: nowrap;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tp-head .tp-status { margin-left: auto; white-space: nowrap; }
.tp-dots { display: flex; gap: 6px; }
.tp-dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--hairline-strong);
}
.tp-dots i:first-child { background: var(--red); box-shadow: 0 0 8px var(--red-glow); }
.tp-dots i:nth-child(2) { background: var(--cyan); }
.tp-head .tp-status {
  margin-left: auto;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--cyan);
  font-size: 11px;
}
.tp-status i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink { 50% { opacity: .25; } }

.tp-wave { position: relative; height: 168px; margin: 18px 20px 6px; }
.tp-wave svg { width: 100%; height: 100%; overflow: visible; }
.tp-wave .w1, .tp-wave .w2 { fill: none; stroke-width: 2.4; stroke-linecap: round; }
.tp-wave .w1 { stroke: var(--red); filter: drop-shadow(0 0 8px var(--red-glow)); }
.tp-wave .w2 { stroke: rgba(63, 224, 206, .5); stroke-width: 1.6; }
.tp-wave-label {
  position: absolute;
  top: 8px; left: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--muted);
}

.tp-rows { padding: 10px 20px 6px; }
.tp-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 10px 2px;
  border-bottom: 1px dashed var(--hairline);
  font-size: 13.5px;
}
.tp-row:last-child { border-bottom: 0; }
.tp-row dt { color: var(--muted); font-size: 12.5px; }
.tp-row dd { font-family: var(--mono); font-size: 12.5px; color: var(--text); text-align: right; letter-spacing: .05em; }
.tp-row dd i { font-style: normal; color: var(--cyan); }

.tp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 20px 20px;
}
.tp-chips span {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--muted);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 4px 11px;
}
.tp-chips span.hot { color: var(--red); border-color: rgba(255, 69, 54, .5); }

/* ---------- 数据条 ---------- */

.stat-band { border-bottom: 1px solid var(--hairline); background: #060A13; }
.stat-band .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 34px 0;
}
.stat-cell { display: flex; flex-direction: column; gap: 2px; }
.stat-cell b {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
}
.stat-cell b i { font-style: normal; color: var(--red); }
.stat-cell span { font-size: 13px; color: var(--muted); }

/* ---------- 产品 ---------- */

.section { padding: 96px 0; position: relative; }
.section-deep { background: var(--bg-2); border-block: 1px solid var(--hairline); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.product-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(17, 29, 58, .55), rgba(10, 17, 34, .85));
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 69, 54, .55);
  box-shadow: var(--glow), 0 26px 50px -28px rgba(0, 0, 0, .8);
}
.p-media { background: #000; }
.p-media img { width: 100%; height: 178px; object-fit: cover; opacity: .94; }
.p-body { display: flex; flex-direction: column; gap: 4px; padding: 20px 20px 22px; flex: 1; }
.p-code {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.p-code i { font-style: normal; color: var(--cyan); }
.product-card h3 { font-size: 19px; }
.product-card .p-en {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--red);
  display: block;
  margin: 2px 0 10px;
}
.product-card > .p-body > p { font-size: 13.8px; color: var(--muted); }
.p-specs {
  list-style: none;
  margin-top: auto;
  padding-top: 14px;
  display: grid;
  gap: 6px;
}
.p-specs li {
  display: flex;
  gap: 8px;
  font-size: 12.8px;
  color: var(--muted);
}
.p-specs li::before {
  content: "›";
  color: var(--red);
  font-family: var(--mono);
}

/* ---------- 智造实力 ---------- */

.factory .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.factory-copy p { color: var(--muted); margin-bottom: 16px; }
.factory-copy p b { color: var(--text); font-weight: 600; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.badge-row span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  border: 1px dashed rgba(63, 224, 206, .45);
  border-radius: 999px;
  padding: 6px 14px;
}

.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.cap-cell {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 29, 58, .5), rgba(10, 17, 34, .8));
  padding: 22px 22px 18px;
  position: relative;
  overflow: hidden;
}
.cap-cell::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 44px;
  border-top: 2px dashed var(--red);
}
.cap-cell b {
  display: block;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
}
.cap-cell b i { font-style: normal; color: var(--red); }
.cap-cell span { font-size: 13px; color: var(--muted); }
.cap-cell.wide { grid-column: 1 / -1; }

/* ---------- 优势 ---------- */

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.adv-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: rgba(150, 168, 205, .03);
  transition: border-color .2s ease, transform .2s ease;
}
.adv-card:hover { border-color: rgba(255, 69, 54, .5); transform: translateY(-3px); }
.adv-card .a-key {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--red);
  display: block;
  margin-bottom: 10px;
}
.adv-card h3 { font-size: 17px; margin-bottom: 8px; }
.adv-card p { font-size: 14px; color: var(--muted); }

/* 认证条 */
.cert-band {
  margin-top: 44px;
  border: 1px dashed var(--hairline-strong);
  border-radius: var(--radius);
  padding: 20px 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  align-items: center;
  justify-content: center;
}
.cert-band span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.cert-band svg { width: 20px; height: 20px; stroke: var(--cyan); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 流程 ---------- */

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 26px;
  list-style: none;
}
.process-grid li { position: relative; padding-top: 6px; }
.process-grid li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 27px; left: calc(100% - 14px);
  width: 28px;
  border-top: 2px dashed rgba(255, 69, 54, .45);
}
.step-dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px dashed var(--red);
  background: rgba(255, 69, 54, .07);
  display: grid; place-items: center;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--red);
  margin-bottom: 14px;
}
.process-grid h3 { font-size: 16px; margin-bottom: 6px; }
.process-grid p { font-size: 13.5px; color: var(--muted); }

/* ---------- 应用领域 ---------- */

.app-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  list-style: none;
}
.app-pills li {
  border: 1px solid var(--hairline-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 11px 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all .18s ease;
}
.app-pills li:hover {
  border-color: var(--red);
  color: #fff;
  box-shadow: var(--glow);
}
.app-pills li span {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--red);
  margin-left: 9px;
}

/* ---------- 联系 ---------- */

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: start;
}
.contact-info > p { color: var(--muted); margin: 14px 0 28px; }
.contact-rows { list-style: none; }
.contact-rows li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px dashed var(--hairline);
  font-size: 15px;
}
.contact-rows .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--red);
  padding-top: 4px;
}
.contact-rows a:hover { color: var(--red); }
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 14px;
  color: var(--cyan);
  border-bottom: 1px dashed rgba(63, 224, 206, .5);
  padding-bottom: 2px;
}
.map-link:hover { color: #fff; border-color: #fff; }

.contact-form {
  background: linear-gradient(180deg, rgba(17, 29, 58, .6), rgba(10, 17, 34, .9));
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  padding: 34px;
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, .8);
}
.contact-form h3 { font-size: 20px; margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; }
.field input, .field textarea {
  font: inherit;
  font-size: 15px;
  color: var(--text);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 11px 14px;
  background: rgba(7, 11, 22, .7);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(147, 160, 189, .55); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 69, 54, .16);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); }
.form-status {
  grid-column: 1 / -1;
  font-size: 14px;
  color: var(--red);
  font-weight: 600;
  display: none;
}
.form-status.show { display: block; }
.contact-form .btn { margin-top: 18px; }

/* ---------- 页脚 ---------- */

.site-footer {
  background: #05080F;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  padding: 56px 0 30px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 34px;
  border-bottom: 1px dashed var(--hairline);
}
.site-footer .brand-text b { color: var(--text); }
.site-footer .brand-text small { color: var(--muted); }
.footer-grid p { margin-top: 14px; max-width: 30em; font-size: 13.5px; }
.footer-grid h3 {
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--text);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-grid ul { list-style: none; display: grid; gap: 9px; }
.footer-grid ul a:hover { color: var(--red); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-top: 24px;
  font-size: 12.5px;
  color: rgba(147, 160, 189, .6);
  font-family: var(--mono);
  letter-spacing: .06em;
}

/* ---------- 入场动效 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; padding: 60px 0 72px; }
  .hero-stats { grid-template-columns: repeat(2, auto); gap: 18px 48px; }
  .tech-panel { max-width: 520px; }
  .stat-band .container { grid-template-columns: repeat(2, 1fr); gap: 26px 20px; }
  .factory .container { grid-template-columns: 1fr; gap: 40px; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 26px; }
  .process-grid li:not(:last-child)::after { display: none; }
  .contact .container { grid-template-columns: 1fr; gap: 44px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: rgba(7, 11, 22, .98);
    border-bottom: 1px solid var(--hairline);
    padding: 12px 4vw 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 12px; font-size: 16px; }
  .nav-cta { margin: 8px 0 0; text-align: center; justify-content: center; }
}

@media (max-width: 620px) {
  .topbar-note { display: none; }
  .topbar .container { justify-content: center; }
  .product-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, auto); }
  .cap-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- 降低动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tech-panel, .tp-status i { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .product-card, .adv-card, .app-pills li { transition: none; }
  #stitch-progress { display: none; }
}