/* ==========================================================================
   宜昌宇皓电子科技有限公司 · 企业官网样式
   ========================================================================== */

:root {
  --ink: #0a1a2b;
  --ink-2: #14293f;
  --slate: #566b7f;
  --slate-2: #8198ac;
  --line: #e3eaf2;
  --line-2: #eef3f8;
  --bg: #ffffff;
  --bg-soft: #f6f9fc;
  --bg-deep: #071726;
  --brand: #155eef;
  --brand-dark: #0b47c4;
  --brand-soft: #eaf1ff;
  --cyan: #0e9bff;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-s: 0 1px 2px rgba(10, 26, 43, .04), 0 8px 22px rgba(10, 26, 43, .05);
  --shadow-m: 0 24px 60px rgba(10, 26, 43, .10);
  --max: 1200px;
  --ease: cubic-bezier(.22, .68, .28, 1);
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 650; letter-spacing: -.02em; line-height: 1.22; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(21, 94, 239, .16); }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 布局工具 ---------- */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.section { padding: 104px 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brand); font-weight: 600;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: currentColor; opacity: .55;
}

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head h2 {
  font-size: clamp(26px, 2.9vw, 38px);
  margin: 16px 0 18px;
}
.section-head p { font-size: 16px; color: var(--slate); line-height: 1.85; }

.lead { font-size: 17px; line-height: 1.9; color: var(--slate); }

/* ---------- 按钮 ---------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 26px;
  border: 1px solid transparent; border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-fg);
  font-size: 15px; font-weight: 550; letter-spacing: .01em;
  cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(10, 26, 43, .16); }
.btn:active { transform: translateY(0); }
.btn svg { width: 17px; height: 17px; }

.btn--primary { --btn-bg: var(--brand); }
.btn--primary:hover { --btn-bg: var(--brand-dark); box-shadow: 0 14px 30px rgba(21, 94, 239, .28); }

.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--line); background: #fff;
}
.btn--ghost:hover { border-color: #c8d4e2; box-shadow: 0 12px 26px rgba(10, 26, 43, .08); }

.btn--light {
  --btn-bg: #fff; --btn-fg: var(--ink);
}
.btn--outline-light {
  --btn-bg: transparent; --btn-fg: #fff;
  border-color: rgba(255, 255, 255, .28);
}
.btn--outline-light:hover { border-color: rgba(255, 255, 255, .6); background: rgba(255, 255, 255, .06); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }

.btn[disabled] { opacity: .55; pointer-events: none; }

.text-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14.5px; font-weight: 550; color: var(--brand);
}
.text-link svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .78);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 6px 24px rgba(10, 26, 43, .05);
}
.header-inner {
  display: flex; align-items: center; gap: 32px;
  height: 74px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { width: 36px; height: 36px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.brand-sub { font-size: 10px; letter-spacing: .16em; color: var(--slate-2); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav a {
  position: relative;
  padding: 9px 14px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--slate);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav a:hover { color: var(--ink); background: var(--bg-soft); }
.nav a.is-active { color: var(--ink); font-weight: 600; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--brand);
}

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.user-chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 14px 0 6px;
  border: 1px solid var(--line); border-radius: 999px; background: #fff;
  font-size: 14px; color: var(--ink); font-weight: 500;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.user-chip:hover { border-color: #c8d4e2; box-shadow: var(--shadow-s); }
.avatar {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--cyan));
  color: #fff; font-size: 12.5px; font-weight: 600; overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.nav-toggle {
  display: none; width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle span { display: block; width: 17px; height: 1.6px; background: var(--ink); position: relative; }
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 17px; height: 1.6px; background: var(--ink);
  transition: transform .25s var(--ease);
}
.nav-toggle span::before { top: -5.5px; }
.nav-toggle span::after { top: 5.5px; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 8px 0 18px;
}
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: block; padding: 13px 4px;
  font-size: 15px; color: var(--ink); border-bottom: 1px solid var(--line-2);
}
.mobile-nav .mobile-actions { display: flex; gap: 10px; margin-top: 16px; }
.mobile-nav .mobile-actions .btn { flex: 1; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .72);
  padding: 104px 0 96px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 62% 38%, #000 0%, transparent 76%);
  mask-image: radial-gradient(ellipse 70% 70% at 62% 38%, #000 0%, transparent 76%);
}
.hero::after {
  content: ""; position: absolute; width: 900px; height: 900px; right: -260px; top: -420px;
  background: radial-gradient(circle, rgba(21, 94, 239, .48) 0%, rgba(14, 155, 255, .16) 42%, transparent 68%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center;
}
.hero .eyebrow { color: #7fb6ff; }
.hero .eyebrow::before { background: currentColor; }
.hero h1 {
  color: #fff;
  font-size: clamp(34px, 4.3vw, 58px);
  line-height: 1.14; letter-spacing: -.03em;
  margin: 20px 0 24px;
}
.hero h1 .accent {
  background: linear-gradient(100deg, #7fb6ff 0%, #4ad0ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc {
  max-width: 540px; font-size: 16.5px; line-height: 1.9; color: rgba(255, 255, 255, .68);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-note {
  display: flex; align-items: center; gap: 10px; margin-top: 34px;
  font-size: 13px; color: rgba(255, 255, 255, .5);
}
.hero-note .dot-live {
  width: 7px; height: 7px; border-radius: 50%; background: #38e0a5;
  box-shadow: 0 0 0 4px rgba(56, 224, 165, .16);
}

/* Hero 视觉 */
.hero-visual { position: relative; height: 430px; }
.hero-visual .rings {
  position: absolute; inset: 0; width: 100%; height: 100%;
  animation: spinSlow 60s linear infinite;
  transform-origin: 50% 50%;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }

.hv-core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 190px; height: 190px; border-radius: 26px;
  background: linear-gradient(155deg, rgba(21, 94, 239, .22), rgba(14, 155, 255, .06));
  border: 1px solid rgba(127, 182, 255, .3);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: grid; place-items: center;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .18);
}
.hv-core .core-label {
  text-align: center; color: #dceaff; font-size: 12.5px; letter-spacing: .12em;
}
.hv-core .core-label strong {
  display: block; font-size: 19px; letter-spacing: .02em; color: #fff; margin-bottom: 6px; font-weight: 650;
}

.hv-card {
  position: absolute; z-index: 3;
  display: flex; align-items: center; gap: 9px;
  padding: 11px 16px; border-radius: 12px;
  background: rgba(11, 30, 50, .72);
  border: 1px solid rgba(255, 255, 255, .12);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, .86); font-size: 13px; white-space: nowrap;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
  animation: floatY 6s ease-in-out infinite;
}
.hv-card svg { width: 16px; height: 16px; color: #6fc2ff; flex-shrink: 0; }
.hv-card b { font-weight: 600; color: #fff; }
.hv-card--1 { left: 0; top: 44px; animation-delay: 0s; }
.hv-card--2 { right: 0; top: 152px; animation-delay: 1.4s; }
.hv-card--3 { left: 26px; bottom: 56px; animation-delay: 2.8s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------- 数据条 ---------- */
.stats {
  position: relative; z-index: 3;
  margin-top: -52px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-m);
  display: grid; grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat { padding: 34px 32px; border-right: 1px solid var(--line-2); }
.stat:last-child { border-right: 0; }
.stat-num {
  font-size: 34px; font-weight: 680; color: var(--ink);
  letter-spacing: -.02em; line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat-num small { font-size: 15px; font-weight: 600; margin-left: 3px; color: var(--brand); }
.stat-label { margin-top: 8px; font-size: 13.5px; color: var(--slate-2); }

/* ---------- 业务卡片 ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.biz-card {
  position: relative; overflow: hidden;
  padding: 38px 38px 34px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.biz-card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px 220px at 100% 0%, rgba(21, 94, 239, .07), transparent 70%);
  opacity: 0; transition: opacity .35s var(--ease); pointer-events: none;
}
.biz-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); border-color: #d5e0ee; }
.biz-card:hover::after { opacity: 1; }
.biz-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
  margin-bottom: 22px;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.biz-icon svg { width: 26px; height: 26px; }
.biz-card:hover .biz-icon { background: var(--brand); color: #fff; transform: scale(1.04) rotate(-3deg); }
.biz-card h3 { font-size: 19.5px; margin-bottom: 12px; }
.biz-card p { font-size: 14.8px; line-height: 1.85; color: var(--slate); }
.biz-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.biz-tags span {
  font-size: 12.5px; padding: 4px 11px; border-radius: 999px;
  background: var(--bg-soft); color: var(--slate); border: 1px solid var(--line-2);
}
.biz-card .text-link { margin-top: 24px; }

/* ---------- 优势列表 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-2); border-radius: var(--radius-lg); overflow: hidden; }
.adv-item {
  background: var(--bg-soft);
  padding: 32px 30px;
  transition: background .3s var(--ease);
}
.section--soft .adv-item { background: #fff; }
.adv-item:hover { background: #fbfdff; }
.adv-num {
  font-size: 12px; font-weight: 700; letter-spacing: .12em;
  color: var(--brand); opacity: .8;
}
.adv-item h4 { font-size: 16.5px; margin: 12px 0 9px; }
.adv-item p { font-size: 14px; line-height: 1.8; }

/* ---------- 场景 ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scene-card {
  padding: 30px 26px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff;
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.scene-card:hover { border-color: #cfdced; transform: translateY(-4px); box-shadow: var(--shadow-s); }
.scene-card .scene-ico { width: 34px; height: 34px; color: var(--brand); margin-bottom: 18px; }
.scene-card h4 { font-size: 16px; margin-bottom: 8px; }
.scene-card p { font-size: 13.6px; line-height: 1.75; color: var(--slate-2); }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.flow-step { position: relative; padding: 0 20px 0 0; }
.flow-step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--brand); margin-bottom: 14px;
}
.flow-step::after {
  content: ""; position: absolute; top: 22px; left: 34px; right: 8px;
  height: 1px; background: linear-gradient(90deg, var(--line), transparent);
}
.flow-step:last-child::after { display: none; }
.flow-step h4 { font-size: 15.5px; margin-bottom: 7px; }
.flow-step p { font-size: 13.5px; line-height: 1.75; color: var(--slate-2); }

/* ---------- CTA 区块 ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, #0a1a2b 0%, #0f2c4a 55%, #11406e 100%);
  border-radius: var(--radius-lg);
  padding: 60px 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  color: rgba(255, 255, 255, .74);
}
.cta-band::after {
  content: ""; position: absolute; width: 460px; height: 460px; right: -80px; top: -180px;
  background: radial-gradient(circle, rgba(14, 155, 255, .38), transparent 66%);
}
.cta-band h3 { color: #fff; font-size: clamp(22px, 2.4vw, 30px); position: relative; z-index: 2; }
.cta-band p { margin-top: 12px; font-size: 15px; position: relative; z-index: 2; }
.cta-actions { position: relative; z-index: 2; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 内页页头 ---------- */
.page-hero {
  position: relative; overflow: hidden;
  padding: 76px 0 68px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10, 26, 43, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 26, 43, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--slate-2); }
.crumb a:hover { color: var(--brand); }
.page-hero h1 { font-size: clamp(30px, 3.6vw, 44px); margin: 18px 0 16px; }
.page-hero .lead { max-width: 640px; }

/* ---------- 关于我们 ---------- */
.about-split { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: start; }
.about-text p + p { margin-top: 18px; }
.about-facts {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow-s); overflow: hidden;
}
.fact { display: flex; gap: 16px; padding: 24px 28px; border-bottom: 1px solid var(--line-2); align-items: flex-start; }
.fact:last-child { border-bottom: 0; }
.fact svg { width: 20px; height: 20px; color: var(--brand); flex-shrink: 0; margin-top: 4px; }
.fact h5 { margin: 0 0 4px; font-size: 14px; color: var(--ink); font-weight: 600; }
.fact p { font-size: 13.5px; color: var(--slate-2); line-height: 1.7; }

.timeline { position: relative; margin-top: 8px; }
.timeline::before {
  content: ""; position: absolute; left: 96px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg, var(--line), transparent);
}
.tl-item { position: relative; display: grid; grid-template-columns: 96px 1fr; gap: 40px; padding: 20px 0; }
.tl-year { font-size: 15px; font-weight: 680; color: var(--ink); font-variant-numeric: tabular-nums; }
.tl-body { position: relative; padding-left: 4px; }
.tl-body::before {
  content: ""; position: absolute; left: -45px; top: 9px;
  width: 9px; height: 9px; border-radius: 50%; background: #fff;
  border: 2px solid var(--brand); box-shadow: 0 0 0 4px rgba(21, 94, 239, .1);
}
.tl-body h4 { font-size: 16px; margin-bottom: 6px; }
.tl-body p { font-size: 14.2px; line-height: 1.8; }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card {
  padding: 34px 32px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid var(--line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-s); }
.value-card .v-idx { font-size: 12px; letter-spacing: .14em; color: var(--slate-2); font-weight: 600; }
.value-card h4 { font-size: 17.5px; margin: 14px 0 10px; }
.value-card p { font-size: 14.2px; line-height: 1.8; }

.cap-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 40px; }
.cap-item { display: flex; gap: 12px; align-items: flex-start; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.cap-item svg { width: 18px; height: 18px; color: var(--brand); flex-shrink: 0; margin-top: 5px; }
.cap-item div strong { display: block; font-size: 14.6px; color: var(--ink); font-weight: 600; margin-bottom: 3px; }
.cap-item div span { font-size: 13.4px; color: var(--slate-2); }

/* ---------- 产品页 ---------- */
.product-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
  padding: 76px 0;
  border-top: 1px solid var(--line-2);
}
.product-row:first-of-type { border-top: 0; padding-top: 20px; }
.product-row.reverse .product-visual { order: 2; }
.product-visual {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(150deg, #f2f7ff 0%, #eaf3ff 55%, #f7fbff 100%);
  border: 1px solid #dde9f8;
  padding: 26px;
}
.product-visual::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(21, 94, 239, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 94, 239, .06) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(circle at 50% 45%, #000, transparent 78%);
  mask-image: radial-gradient(circle at 50% 45%, #000, transparent 78%);
}
.product-visual svg { position: relative; width: 100%; height: auto; }

.product-index {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .16em; font-weight: 700; color: var(--brand);
  text-transform: uppercase;
}
.product-index span {
  display: inline-grid; place-items: center; width: 26px; height: 26px;
  border-radius: 8px; background: var(--brand-soft); font-size: 11px; letter-spacing: 0;
}
.product-body h2 { font-size: clamp(24px, 2.5vw, 32px); margin: 18px 0 16px; }
.product-body > p { font-size: 15.2px; line-height: 1.9; }
.feat-list { margin: 26px 0 0; display: grid; gap: 12px; }
.feat-list li { display: flex; gap: 12px; font-size: 14.6px; line-height: 1.7; color: var(--slate); }
.feat-list li svg { width: 17px; height: 17px; color: var(--brand); flex-shrink: 0; margin-top: 5px; }
.feat-list li b { color: var(--ink); font-weight: 600; }

.spec-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.spec-chips span {
  font-size: 12.8px; padding: 6px 13px; border-radius: 8px;
  border: 1px solid var(--line); background: #fff; color: var(--slate);
}

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: start; }
.contact-list { display: grid; gap: 14px; }
.contact-item {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 26px 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.contact-item:hover { border-color: #cfdced; box-shadow: var(--shadow-s); transform: translateY(-3px); }
.ci-ico {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center; background: var(--brand-soft); color: var(--brand);
}
.ci-ico svg { width: 20px; height: 20px; }
.contact-item h5 { margin: 0 0 5px; font-size: 13px; color: var(--slate-2); font-weight: 500; letter-spacing: .04em; }
.contact-item strong { display: block; font-size: 16px; color: var(--ink); font-weight: 600; line-height: 1.5; }
.contact-item small { display: block; margin-top: 5px; font-size: 12.8px; color: var(--slate-2); }

.form-card {
  padding: 40px;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow-s);
}
.form-card h3 { font-size: 21px; margin-bottom: 8px; }
.form-card .form-hint { font-size: 13.5px; color: var(--slate-2); margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.2px; color: var(--ink); font-weight: 500; }
.field label .req { color: #e5484d; margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: #fbfdff;
  font-size: 14.5px; color: var(--ink);
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 118px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: #a8b8c7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); background: #fff;
  box-shadow: 0 0 0 3.5px rgba(21, 94, 239, .1);
}
.field .err { font-size: 12.5px; color: #e5484d; min-height: 16px; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 22px; flex-wrap: wrap; }
.form-foot .agree { font-size: 12.5px; color: var(--slate-2); max-width: 320px; line-height: 1.6; }

.notice {
  display: none; align-items: flex-start; gap: 10px;
  margin-top: 18px; padding: 13px 16px; border-radius: 10px;
  font-size: 13.8px; line-height: 1.7;
}
.notice.show { display: flex; }
.notice svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 3px; }
.notice--ok { background: #eafaf1; color: #10693f; border: 1px solid #c7edd8; }
.notice--err { background: #fdeeee; color: #a32327; border: 1px solid #f6d3d3; }

.map-card {
  margin-top: 20px; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); background: #fff;
}
.map-card .map-head { padding: 22px 26px; border-bottom: 1px solid var(--line-2); display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.map-card .map-head h5 { margin: 0; font-size: 14.5px; color: var(--ink); }
.map-card .map-head span { font-size: 12.5px; color: var(--slate-2); }
.map-canvas { height: 220px; background:
  radial-gradient(circle at 30% 30%, rgba(21, 94, 239, .08), transparent 55%),
  repeating-linear-gradient(0deg, #f2f6fb 0 1px, transparent 1px 34px),
  repeating-linear-gradient(90deg, #f2f6fb 0 1px, transparent 1px 34px), #fafcff;
  display: grid; place-items: center; position: relative;
}
.map-pin { display: grid; place-items: center; gap: 8px; color: var(--brand); font-size: 13px; }
.map-pin svg { width: 30px; height: 30px; animation: pinBob 2.6s ease-in-out infinite; }
@keyframes pinBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ---------- 登录页 ---------- */
.auth-wrap { min-height: calc(100vh - 74px); display: grid; grid-template-columns: 1.02fr .98fr; }
.auth-side {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #071726 0%, #0c2a45 58%, #123f6b 100%);
  padding: 72px 64px;
  display: flex; flex-direction: column; justify-content: space-between;
  color: rgba(255, 255, 255, .66);
}
.auth-side::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(circle at 30% 30%, #000, transparent 75%);
  mask-image: radial-gradient(circle at 30% 30%, #000, transparent 75%);
}
.auth-side::after {
  content: ""; position: absolute; width: 520px; height: 520px; left: -140px; bottom: -220px;
  background: radial-gradient(circle, rgba(21, 94, 239, .42), transparent 66%);
}
.auth-side > * { position: relative; z-index: 2; }
.auth-side h2 { color: #fff; font-size: clamp(26px, 3vw, 36px); line-height: 1.3; margin: 24px 0 20px; }
.auth-side p { font-size: 15px; line-height: 1.9; max-width: 420px; }
.auth-points { display: grid; gap: 16px; margin-top: 40px; }
.auth-points li { display: flex; gap: 12px; align-items: center; font-size: 14.2px; color: rgba(255, 255, 255, .74); }
.auth-points svg { width: 17px; height: 17px; color: #5fc7ff; flex-shrink: 0; }
.auth-bottom { font-size: 12.5px; color: rgba(255, 255, 255, .4); }

.auth-main { display: flex; align-items: center; justify-content: center; padding: 56px 28px; background: #fff; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h1 { font-size: 26px; margin-bottom: 8px; }
.auth-card > p { font-size: 14px; color: var(--slate-2); margin-bottom: 30px; }

.auth-tabs { display: flex; gap: 6px; padding: 5px; background: var(--bg-soft); border-radius: 11px; margin-bottom: 26px; }
.auth-tabs button {
  flex: 1; height: 38px; border: 0; border-radius: 8px; background: transparent;
  font-size: 14px; color: var(--slate); cursor: pointer; font-weight: 500;
  transition: background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.auth-tabs button.is-active { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 2px 8px rgba(10, 26, 43, .08); }

.code-row { display: flex; gap: 10px; }
.code-row input { flex: 1; }
.code-btn {
  flex-shrink: 0; width: 116px; height: 46px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 13.5px; color: var(--brand); font-weight: 550; cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.code-btn:hover:not([disabled]) { border-color: var(--brand); background: var(--brand-soft); }
.code-btn[disabled] { color: var(--slate-2); cursor: not-allowed; }

.auth-submit { margin-top: 22px; }
.divider { display: flex; align-items: center; gap: 14px; margin: 26px 0 20px; color: var(--slate-2); font-size: 12.5px; }
.divider::before, .divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.wechat-btn { width: 100%; height: 46px; border-radius: 10px; border: 1px solid var(--line); background: #fff; display: flex; align-items: center; justify-content: center; gap: 9px; font-size: 14.5px; color: var(--ink); cursor: pointer; transition: border-color .2s var(--ease), background .2s var(--ease); }
.wechat-btn:hover { border-color: #bcd0e4; background: #fbfdff; }
.wechat-btn svg { width: 19px; height: 19px; color: #07c160; }
.auth-alt { margin-top: 24px; font-size: 13.5px; color: var(--slate-2); text-align: center; }
.auth-alt a { color: var(--brand); font-weight: 550; }

/* ---------- 会员中心 ---------- */
.member-head {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 30px 34px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow-s);
}
.member-head .avatar { width: 54px; height: 54px; font-size: 19px; }
.member-head h2 { font-size: 20px; margin-bottom: 4px; }
.member-head .m-sub { font-size: 13.4px; color: var(--slate-2); }
.member-head .m-actions { margin-left: auto; display: flex; gap: 10px; }

.panel {
  margin-top: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 22px 28px; border-bottom: 1px solid var(--line-2);
}
.panel-head h3 { font-size: 16.5px; }
.panel-head .p-sub { font-size: 12.8px; color: var(--slate-2); }
.panel-head .p-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.panel-body { padding: 8px 28px 26px; }

.empty { padding: 44px 12px; text-align: center; color: var(--slate-2); font-size: 13.8px; }
.empty svg { width: 34px; height: 34px; margin: 0 auto 12px; color: #c3d2e0; }

.msg-item { padding: 20px 0; border-bottom: 1px solid var(--line-2); }
.msg-item:last-child { border-bottom: 0; }
.msg-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.msg-top strong { font-size: 14.6px; color: var(--ink); }
.msg-top .tag {
  font-size: 11.6px; padding: 2px 9px; border-radius: 999px;
  background: var(--brand-soft); color: var(--brand); font-weight: 550;
}
.msg-top time { margin-left: auto; font-size: 12.4px; color: var(--slate-2); }
.msg-item p { font-size: 14px; line-height: 1.75; color: var(--slate); white-space: pre-wrap; }

.file-list { display: grid; gap: 10px; }
.file-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 11px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.file-item:hover { border-color: #cfdced; background: #fbfdff; }
.file-ico { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); flex-shrink: 0; }
.file-ico svg { width: 17px; height: 17px; }
.file-meta { min-width: 0; flex: 1; }
.file-meta strong { display: block; font-size: 14px; color: var(--ink); font-weight: 550; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-meta span { font-size: 12.4px; color: var(--slate-2); }
.file-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; display: grid; place-items: center; cursor: pointer; color: var(--slate);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.icon-btn:hover { color: var(--brand); border-color: var(--brand); }
.icon-btn.danger:hover { color: #e5484d; border-color: #e5484d; }
.icon-btn svg { width: 15px; height: 15px; }

.upload-zone {
  margin: 20px 0 6px; padding: 26px; border-radius: 12px;
  border: 1.5px dashed #cbd9e8; background: #fbfdff; text-align: center;
  transition: border-color .25s var(--ease), background .25s var(--ease);
  cursor: pointer;
}
.upload-zone:hover, .upload-zone.is-drag { border-color: var(--brand); background: var(--brand-soft); }
.upload-zone svg { width: 26px; height: 26px; margin: 0 auto 10px; color: var(--brand); }
.upload-zone strong { display: block; font-size: 14.2px; color: var(--ink); font-weight: 550; margin-bottom: 4px; }
.upload-zone span { font-size: 12.6px; color: var(--slate-2); }

.bar { height: 4px; border-radius: 4px; background: var(--line-2); overflow: hidden; margin-top: 12px; display: none; }
.bar.show { display: block; }
.bar i { display: block; height: 100%; width: 0%; background: var(--brand); transition: width .25s linear; }

.auth-gate { text-align: center; padding: 90px 20px; }
.auth-gate svg { width: 46px; height: 46px; margin: 0 auto 20px; color: #b9cadd; }
.auth-gate h2 { font-size: 22px; margin-bottom: 10px; }
.auth-gate p { font-size: 14.5px; color: var(--slate-2); margin-bottom: 26px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--bg-deep); color: rgba(255, 255, 255, .58); padding: 72px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255, 255, 255, .38); }
.footer-brand p { margin-top: 20px; font-size: 13.6px; line-height: 1.85; max-width: 300px; }
.footer-col h6 { margin: 0 0 18px; font-size: 13px; color: #fff; font-weight: 600; letter-spacing: .06em; }
.footer-col a, .footer-col span { display: block; font-size: 13.6px; line-height: 2.2; color: rgba(255, 255, 255, .55); transition: color .2s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.6px; color: rgba(255, 255, 255, .38);
}

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(20px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.d1 { transition-delay: .07s; }
.reveal.d2 { transition-delay: .14s; }
.reveal.d3 { transition-delay: .21s; }
.reveal.d4 { transition-delay: .28s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
  .hero-visual .rings, .hv-card, .map-pin svg { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .nav { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { height: 360px; max-width: 520px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-2); }
  .biz-grid, .adv-grid, .scene-grid, .values, .cap-list { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
  .flow-step::after { display: none; }
  .about-split, .contact-grid, .product-row { grid-template-columns: 1fr; gap: 40px; }
  .product-row.reverse .product-visual { order: 0; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-band { padding: 48px 40px; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .section { padding: 68px 0; }
  .hero { padding: 64px 0 84px; }
  .hero-visual { height: 300px; }
  .hv-core { width: 140px; height: 140px; border-radius: 20px; }
  .hv-card { font-size: 12px; padding: 9px 12px; }
  .hv-card--2 { top: 110px; }
  .stats { margin-top: -40px; }
  .stat { padding: 24px 20px; }
  .stat-num { font-size: 26px; }
  .biz-grid, .adv-grid, .scene-grid, .values, .cap-list, .footer-top { grid-template-columns: 1fr; }
  .biz-card { padding: 30px 26px; }
  .adv-grid { gap: 1px; }
  .flow { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 26px 20px; }
  .timeline::before { left: 62px; }
  .tl-item { grid-template-columns: 62px 1fr; gap: 24px; }
  .tl-body::before { left: -29px; }
  .cta-band { padding: 36px 24px; border-radius: 16px; }
  .member-head { padding: 22px; }
  .member-head .m-actions { margin-left: 0; width: 100%; }
  .panel-head { padding: 18px 20px; }
  .panel-body { padding: 4px 20px 22px; }
  .btn { height: 44px; padding: 0 20px; font-size: 14.5px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}