/* ==========================================================================
   COOS 官网 · 站点样式
   浅色科技感：浅暖底 + 玻璃卡片 + 金橙渐变点缀
   ========================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }
::selection { background: rgba(46, 134, 255, .22); }

:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 环境光与底纹 ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 520px at 88% -8%, rgba(46, 134, 255, .16), transparent 66%),
    radial-gradient(760px 480px at -8% 4%, rgba(14, 150, 184, .09), transparent 62%),
    radial-gradient(900px 700px at 50% 108%, rgba(46, 134, 255, .07), transparent 60%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .55), transparent 22%),
    radial-gradient(1200px 700px at 50% -20%, rgba(255, 255, 255, .7), transparent 60%);
}

/* ---------- 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--page-narrow); }

.section { padding-block: clamp(64px, 9vw, 128px); position: relative; }
.section[id], .hero[id], div[id] { scroll-margin-top: 88px; }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section--alt { background: linear-gradient(180deg, rgba(226, 234, 246, .62), rgba(245, 248, 253, 0)); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 12px 18px;
  border-radius: var(--r-md); z-index: 200;
}
.skip:focus { left: 16px; top: 16px; }

/* ---------- 排版 ---------- */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -.015em; line-height: 1.2; color: var(--ink); }
h1, h2 { font-family: var(--font-display); font-weight: 700; letter-spacing: 0; }
h1 { font-size: clamp(34px, 4.5vw, 60px); letter-spacing: .005em; line-height: 1.28; }
h2 { font-size: clamp(27px, 3.1vw, 42px); letter-spacing: .005em; line-height: 1.34; }
h3 { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.4; }
h4 { font-size: 15px; line-height: 1.5; }
p { color: var(--ink-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em;
  color: var(--ink-3); text-transform: uppercase;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: var(--grad-brand);
}

.lead { font-size: clamp(16px, 1.35vw, 18px); color: var(--ink-2); line-height: 1.85; }
.muted { color: var(--ink-3); }
.small { font-size: 13.5px; line-height: 1.75; color: var(--ink-3); }
.num { font-variant-numeric: tabular-nums; }

.mark { color: var(--blue-700); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px;
  border-radius: var(--r-full);
  font-size: 15px; font-weight: 700; letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform var(--normal) var(--ease), box-shadow var(--normal) var(--ease),
    background var(--normal) var(--ease), border-color var(--normal) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--grad-brand);
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(22, 104, 227, .24);
}
.btn--primary:hover { box-shadow: 0 12px 30px rgba(22, 104, 227, .30); }

.btn--ghost {
  background: rgba(255, 255, 255, .7);
  border-color: var(--line-strong);
  color: var(--ink);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: #fff; border-color: rgba(15, 23, 42, .26); box-shadow: var(--shadow-sm); }

.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #232B38; box-shadow: var(--shadow-md); }

.btn--sm { min-height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 15px; color: var(--ink);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: gap var(--normal) var(--ease), border-color var(--normal) var(--ease);
}
.link-arrow:hover { gap: 11px; border-color: var(--blue-500); }
.link-arrow svg { width: 16px; height: 16px; stroke: currentColor; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  height: 27px; padding: 0 11px;
  border-radius: var(--r-full);
  font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
  background: transparent;
  color: var(--ink-3);
  border: 1px solid var(--line-strong);
  white-space: nowrap;
}
.tag--amber { color: var(--blue-700); border-color: rgba(22, 104, 227, .34); }
.tag--info { color: var(--blue-700); border-color: rgba(22, 104, 227, .3); }
.tag--success { color: #0B6B4B; border-color: rgba(14, 138, 95, .34); }
.tag--muted { color: var(--ink-3); border-color: var(--line); }
.tag--plan { color: var(--ink-3); border: 1px dashed var(--line-strong); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: transparent;
  border-bottom: 0;
  transition: background var(--normal) var(--ease), backdrop-filter var(--normal) var(--ease);
}
/* 仅在内页滚动后给一层极淡的底，避免文字压内容；首页靠极光本身承接 */
.nav.is-scrolled { background: rgba(255, 255, 255, .72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
body.has-space .nav.is-scrolled { background: rgba(255, 255, 255, .55); }
.nav { --nav-h: 92px; }
.nav__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: var(--nav-h);      /* 放大字号后需要更高的导航条 */
  max-width: calc(var(--page) + 2 * var(--gutter));
  padding: 0 var(--gutter);
  align-items: center;
}
/* 1440 下内容起点对齐 Figma 的 x=120 */
@media (min-width: 1281px) {
  .nav__inner {
    max-width: var(--page);
    padding-left: 0; padding-right: 0;
  }
}
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__logo { width: auto; height: 33px; }   /* 官方图文标几乎填满画布，33px 高 = 旧版墨迹 91×30 */
.footer .brand__logo { height: 24px; }
.brand img { max-width: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.brand__sub { font-size: 10px; letter-spacing: .16em; color: var(--ink-3); text-transform: uppercase; margin-top: 3px; }

/* 产品标识（可思） */
.product-id { display: flex; align-items: center; gap: 12px; }
.product-id__name { font-size: 24px; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.product-id__desc { font-size: 12.5px; color: var(--ink-3); letter-spacing: .02em; margin-top: 2px; }
.coos-mark { width: 28px; height: 28px; flex-shrink: 0; }
.coos-mark--lg { width: 44px; height: 44px; }
.nav__divider { width: 1px; height: 22px; background: var(--line-strong); margin-inline: 4px; }
.brand-pair { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-product {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 600; color: var(--ink-2);
  white-space: nowrap;
}
.brand-product:hover { color: var(--blue-700); }
@media (max-width: 420px) {
  .brand__logo { height: 23px; }
  .brand-product span { display: none; }
}

.nav__links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__links a {
  position: relative;
  padding: 10px 16px;
  font-size: 15px; font-weight: 400; color: #0C1A2C;
  transition: color var(--fast) var(--ease), opacity var(--fast) var(--ease);
}
.nav__links a:hover { opacity: .6; }
.nav__links a[aria-current="page"] { font-weight: 600; }
.nav__links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 1px;
  background: currentColor;
}
/* CTA：Figma 88×33，radius 4，纯黑 */
.nav__cta {
  margin-left: 14px;
  height: 40px; min-height: 40px; padding: 0 18px;
  border-radius: 6px; font-size: 15px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
  background: #0C1A2C; color: #fff;
  box-shadow: none;
}
.nav__cta:hover { background: #1B2C44; transform: none; box-shadow: none; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px; border-radius: var(--r-md);
  align-items: center; justify-content: center;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .7);
}
.nav__toggle span {
  display: block; width: 18px; height: 1.5px; background: var(--ink);
  position: relative; transition: transform var(--normal) var(--ease);
}
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--ink);
  transition: transform var(--normal) var(--ease), top var(--normal) var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
.nav.is-open .nav__toggle span::after { top: 0; transform: rotate(-45deg); }

.nav__mobile {
  display: none;
  border-top: 1px solid var(--line);
  background: rgba(250, 252, 255, .98);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.nav.is-open .nav__mobile { display: block; }
.nav__mobile ul { padding: 12px var(--gutter) 24px; }
.nav__mobile a {
  display: block; padding: 14px 4px; font-size: 16px; font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.nav__mobile .btn { margin-top: 18px; }

/* ---------- Hero ---------- */
/* ---------- 首屏：全屏呼吸态背景 ---------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(620px, calc(100svh - 72px), 960px);
  display: flex;
  align-items: center;
  padding-block: clamp(64px, 8vw, 116px) clamp(72px, 9vw, 132px);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 50% 0%, #FFFFFF 0%, rgba(245, 248, 253, .86) 42%, rgba(240, 245, 252, .96) 100%);
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
/* 底边渐隐，让首屏自然过渡到下一段 */
.hero__fade {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 160px;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(245, 248, 253, 0) 0%, var(--bg) 100%);
}
/* 让文字在任何动效上都读得清 */
.hero__grid > div:first-child { position: relative; z-index: 2; }
.hero__grid > div:last-child { position: relative; z-index: 2; }
.hero h1 { text-shadow: 0 1px 2px rgba(255, 255, 255, .55); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__kicker {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .74);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-xs);
  font-size: 13px; color: var(--ink-2); margin-bottom: 26px;
}
.hero__kicker b {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--grad-brand); color: #FFFFFF;
  padding: 3px 10px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 700;
}
.hero h1 { margin-bottom: 22px; }
.hero h1 em { font-style: normal; white-space: nowrap; }
.hero__lead { max-width: 520px; font-size: clamp(16px, 1.5vw, 19px); line-height: 1.8; color: var(--ink-2); }
.hero .btn-row { margin-top: 32px; }
.hero__note {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px;
  margin-top: 26px; font-size: 13px; color: var(--ink-3);
}
.hero__note span { display: inline-flex; align-items: center; gap: 6px; }
.hero__note svg { width: 15px; height: 15px; stroke: var(--success); }

/* ---------- 首屏经营面板（产品机制演示） ---------- */
.panel {
  position: relative;
  border-radius: var(--r-2xl);
  background: #FFFFFF;
  border: 1px solid rgba(15, 23, 42, .10);
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 18px 40px -24px rgba(15,23,42,.18);
  overflow: hidden;
}
.panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(560px 240px at 82% -10%, rgba(46, 134, 255, .12), transparent 70%);
}
.panel__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .5);
  position: relative;
}
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(15, 23, 42, .14); }
.dots i:nth-child(1) { background: rgba(46, 134, 255, .5); }
.dots i:nth-child(2) { background: rgba(14, 150, 184, .45); }
.dots i:nth-child(3) { background: rgba(15, 157, 110, .45); }
.panel__title { font-size: 12.5px; font-weight: 600; color: var(--ink-2); letter-spacing: .01em; }
.panel__title span { color: var(--ink-4); font-weight: 500; }
.panel__body { padding: 20px; position: relative; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 11px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 500; color: var(--ink-3);
  background: rgba(15, 23, 42, .04);
  border: 1px solid transparent;
}
.chip.is-on {
  color: var(--blue-800);
  background: var(--blue-100);
  border-color: rgba(22, 104, 227, .26);
  font-weight: 600;
}
.chip i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .55; }

.kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi {
  padding: 13px 14px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .78);
  border: 1px solid var(--line);
}
.kpi__label { font-size: 11.5px; color: var(--ink-3); letter-spacing: .02em; display: flex; align-items: center; gap: 6px; }
.kpi__label i { width: 6px; height: 6px; border-radius: 2px; background: var(--blue-600); opacity: .65; }
.kpi__value { font-size: 24px; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi__value small { font-size: 12px; font-weight: 500; color: var(--ink-3); margin-left: 3px; }
.kpi__delta { font-size: 11.5px; color: var(--success); font-weight: 600; margin-top: 2px; }

.funnel { border-radius: var(--r-lg); border: 1px solid var(--line); background: rgba(255, 255, 255, .6); padding: 14px; }
.funnel__head { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--ink-3); margin-bottom: 10px; }
.funnel__row { display: grid; grid-template-columns: 54px 1fr 40px; align-items: center; gap: 10px; font-size: 12px; margin-bottom: 7px; }
.funnel__row:last-child { margin-bottom: 0; }
.funnel__row em { font-style: normal; color: var(--ink-2); }
.funnel__bar { height: 7px; border-radius: 4px; background: rgba(15, 23, 42, .055); overflow: hidden; }
.funnel__bar i { display: block; height: 100%; border-radius: 4px; background: var(--grad-brand); }
.funnel__row b { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink-2); }

.alert {
  display: flex; gap: 10px; align-items: flex-start;
  margin-top: 12px; padding: 11px 13px;
  border-radius: var(--r-lg);
  background: var(--blue-50);
  border: 1px solid rgba(22, 104, 227, .18);
}
.alert__dot { flex-shrink: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--blue-600); margin-top: 7px; box-shadow: 0 0 0 4px rgba(46, 134, 255, .14); }
.alert p { font-size: 12px; line-height: 1.6; color: var(--blue-900); margin: 0; }
.alert p b { color: var(--blue-800); }

.panel__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 18px; border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .4);
  font-size: 11px; color: var(--ink-4);
}
.panel__foot span { display: inline-flex; align-items: center; gap: 6px; }
.panel__foot i { width: 5px; height: 5px; border-radius: 50%; background: var(--blue-600); }

/* ---------- Logo 条 / 行业条 ---------- */
.strip { border-block: 1px solid var(--line); background: rgba(255, 255, 255, .42); }
.strip__inner {
  display: flex; align-items: center; gap: clamp(16px, 3vw, 40px);
  padding-block: 18px; flex-wrap: wrap;
}
.strip__label { font-size: 12.5px; color: var(--ink-3); letter-spacing: .04em; flex-shrink: 0; }
.strip__items { display: flex; flex-wrap: wrap; gap: 10px clamp(16px, 3vw, 34px); align-items: center; }
.strip__items span { font-size: 14px; font-weight: 600; color: var(--ink-2); opacity: .8; }

/* ---------- 区块标题 ---------- */
.sec-head { max-width: 720px; margin-bottom: clamp(30px, 3.6vw, 46px); }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head h2 { margin-bottom: 16px; }
.sec-head p { font-size: clamp(15px, 1.25vw, 17px); line-height: 1.8; }
.sec-head__aside {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  max-width: none;
}
.sec-head__aside > div { max-width: 660px; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  padding: 26px;
  border-radius: var(--r-lg);
  background: #FFFFFF;
  border: 1px solid var(--line);
  transition: border-color var(--normal) var(--ease), background var(--normal) var(--ease);
}
.card:hover { border-color: rgba(22, 104, 227, .30); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15px; line-height: 1.8; }
.card__icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue-50);
  border: 1px solid rgba(22, 104, 227, .18);
  margin-bottom: 18px;
}
.card__icon svg { width: 22px; height: 22px; stroke: var(--blue-700); stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.card__num {
  position: absolute; top: 22px; right: 24px;
  font-size: 13px; font-weight: 700; color: var(--ink-4); letter-spacing: .04em;
}
.card__foot {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--line);
}
.card--feature { background: #F8FBFF; border-color: rgba(22, 104, 227, .16); }
.card--quiet { background: rgba(255, 255, 255, .55); }

.card-list { margin-top: 14px; display: grid; gap: 8px; }
.card-list li {
  position: relative; padding-left: 18px; font-size: 14.5px; color: var(--ink-2); line-height: 1.8;
}
.card-list li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--blue-500);
}

/* ---------- 痛点 / 数据 ---------- */
.split { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.sticky-col { position: sticky; top: 100px; }

.bigstat { display: grid; gap: 16px; }
.bigstat__item {
  display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: baseline;
  padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.bigstat__item:last-child { border-bottom: 0; padding-bottom: 0; }
.bigstat__num { font-size: clamp(32px, 3.4vw, 44px); font-weight: 700; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.bigstat__num small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.bigstat__desc { font-size: 14px; line-height: 1.7; color: var(--ink-2); }
.bigstat__desc b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 2px; }

.pain { display: grid; gap: 12px; }
.pain__row {
  display: grid; grid-template-columns: 140px 1fr; gap: 16px;
  padding: 16px 18px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--line);
}
.pain__k { font-size: 14px; font-weight: 700; color: var(--ink); }
.pain__v { font-size: 14px; color: var(--ink-3); line-height: 1.78; }

/* ---------- 模块卡 ---------- */
.spec-list { display: block; border-top: 1px solid var(--line-strong); }
.module {
  display: grid; grid-template-columns: minmax(150px, 200px) minmax(0, 1fr) minmax(220px, 300px);
  gap: 8px clamp(20px, 3vw, 40px); align-items: start;
  padding: 28px 4px; border-bottom: 1px solid var(--line);
}
.module__head { display: block; }
.module__head h3 { font-family: var(--font-display); font-size: 20px; line-height: 1.4; margin: 0 0 8px; }
.module__badge { display: block; font-size: 11.5px; font-weight: 600; color: var(--ink-3); letter-spacing: .14em; }
.module p { font-size: 14.5px; line-height: 1.85; color: var(--ink-2); }
.module .tag-list { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }

/* ---------- 示意界面（产品页） ---------- */
.ui {
  display: grid; grid-template-columns: 178px minmax(0, 1fr);
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--glass-border-light);
  background: #fff; box-shadow: var(--shadow-lg);
  min-height: 420px;
}
.ui__rail { background: #FBF8F2; border-right: 1px solid var(--line); padding: 16px 12px; }
.ui__brand { display: flex; align-items: center; gap: 8px; padding: 4px 8px 14px; font-size: 13px; font-weight: 700; }
.ui__brand img { width: 20px; height: 20px; }
.ui__nav { display: grid; gap: 2px; }
.ui__nav li {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 9px;
  font-size: 12.5px; color: var(--ink-3);
}
.ui__nav li.is-on { background: var(--blue-100); color: var(--blue-800); font-weight: 600; }
.ui__nav li i { width: 7px; height: 7px; border-radius: 2px; background: currentColor; opacity: .5; }
.ui__main { padding: 18px 20px 22px; min-width: 0; }
.ui__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.ui__top h4 { font-size: 14px; }
.ui__top .tag { height: 23px; font-size: 11px; }
.ui__tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 14px; }
.ui__tile { padding: 10px 11px; border-radius: 10px; background: #FBF8F2; border: 1px solid var(--line); }
.ui__tile em { display: block; font-style: normal; font-size: 10.5px; color: var(--ink-3); }
.ui__tile b { font-size: 17px; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.ui__chart {
  display: flex; align-items: flex-end; gap: 7px; height: 118px;
  padding: 12px 12px 0; border-radius: 12px;
  background: linear-gradient(180deg, #FDFBF7, #FBF8F2);
  border: 1px solid var(--line); margin-bottom: 14px;
}
.ui__chart i {
  flex: 1; border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, rgba(46, 134, 255, .85), rgba(46, 134, 255, .35));
}
.ui__chart i:nth-child(even) { background: linear-gradient(180deg, rgba(14, 150, 184, .55), rgba(14, 150, 184, .22)); }
.ui__list { display: grid; gap: 7px; }
.ui__list li {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 9px; background: rgba(15, 23, 42, .025);
  font-size: 11.5px; color: var(--ink-2);
}
.ui__list li span:last-child { margin-left: auto; color: var(--ink-4); font-size: 10.5px; }
.ui__list i { width: 6px; height: 6px; border-radius: 50%; background: var(--blue-500); flex-shrink: 0; }

/* ---------- 设备展示 ---------- */
.devices { display: flex; gap: 18px; align-items: flex-start; justify-content: center; flex-wrap: wrap; }
.device {
  border-radius: 26px; padding: 9px;
  background: linear-gradient(160deg, #fff, #F4EFE6);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}
.device__screen {
  width: 208px; height: 404px; border-radius: 20px; overflow: hidden;
  background: linear-gradient(225deg, #2E2627 0%, #0A0E16 40%, #0D152D 100%);
  padding: 12px; display: flex; flex-direction: column; gap: 9px;
  color: #EEF2FA; font-size: 11px;
}
.device__status { display: flex; justify-content: space-between; font-size: 9px; color: rgba(238, 242, 250, .55); padding: 2px 4px 4px; }
.device__title { font-size: 15px; font-weight: 700; padding: 0 4px; }
.device__tabs { display: flex; gap: 5px; padding: 0 4px 2px; }
.device__tabs span {
  padding: 4px 9px; border-radius: 12px; font-size: 9.5px;
  background: rgba(255, 255, 255, .08);
}
.device__tabs span.is-on { background: linear-gradient(135deg, #2E86FF, #1668E3); color: #FFFFFF; font-weight: 700; }
.device__list { display: grid; gap: 7px; }
.device__row { display: flex; gap: 8px; padding: 8px; border-radius: 10px; background: rgba(255, 255, 255, .04); }
.device__avatar { width: 26px; height: 26px; border-radius: 4px; background: #EEF2FA; flex-shrink: 0; }
.device__row div { min-width: 0; }
.device__row b { display: block; font-size: 10.5px; font-weight: 500; }
.device__row em { font-style: normal; font-size: 9px; color: rgba(238, 242, 250, .6); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.device__bubble { align-self: flex-end; max-width: 84%; padding: 7px 10px; border-radius: 12px 12px 4px 12px; background: #6CA8FF; color: #fff; font-size: 9.5px; line-height: 1.5; }
.device__bubble--peer { align-self: flex-start; border-radius: 12px 12px 12px 4px; background: #1A2233; color: #EEF2FA; }

.device--mini { align-self: center; }
.device--mini .device__screen { background: #FBF8F2; color: var(--ink); }
.mini-card { border-radius: 12px; background: #fff; border: 1px solid var(--line); overflow: hidden; }
.mini-card__img { height: 92px; background: linear-gradient(135deg, var(--blue-100), var(--blue-50)); }
.mini-card__body { padding: 9px 10px; }
.mini-card__body b { font-size: 10.5px; display: block; }
.mini-card__body em { font-style: normal; font-size: 13px; font-weight: 700; color: var(--blue-700); display: block; margin-top: 2px; }
.mini-note { font-size: 9px; color: var(--ink-3); margin-top: 8px; line-height: 1.6; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.step { position: relative; padding-top: 44px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0;
  font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--blue-700);
  padding: 4px 9px; border-radius: var(--r-full);
  background: var(--blue-50); border: 1px solid rgba(22, 104, 227, .2);
}
.step h3 { font-size: 16px; margin-bottom: 6px; }
.step p { font-size: 14px; line-height: 1.78; }
.step::after {
  content: ""; position: absolute; top: 14px; left: 46px; right: -16px; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 4px, transparent 4px 9px);
}
.step:last-child::after { display: none; }

/* ---------- 对比表 ---------- */
.compare {
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--glass-border); background: rgba(255, 255, 255, .72);
  box-shadow: var(--shadow-sm);
}
.compare table { font-size: 14px; }
.compare th, .compare td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { font-size: 12.5px; font-weight: 700; color: var(--ink-3); letter-spacing: .02em; background: rgba(15, 23, 42, .025); white-space: nowrap; }
.compare thead th:last-child { color: var(--blue-800); background: var(--blue-100); }
.compare tbody th { font-weight: 600; color: var(--ink); font-size: 13.5px; white-space: nowrap; background: rgba(255, 255, 255, .5); }
.compare td { color: var(--ink-2); }
.compare td:last-child { background: rgba(46, 134, 255, .05); font-weight: 600; color: var(--ink); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare-note { margin-top: 14px; }

/* ---------- 路线图 ---------- */
.roadmap { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.roadmap::before {
  content: ""; position: absolute; left: 0; right: 0; top: 13px; height: 2px;
  background: linear-gradient(90deg, var(--blue-600), rgba(46, 134, 255, .16));
  border-radius: 2px;
}
.phase { position: relative; padding-top: 38px; }
.phase::before {
  content: ""; position: absolute; top: 6px; left: 0;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 2px solid var(--blue-600);
  box-shadow: 0 0 0 4px rgba(46, 134, 255, .12);
}
.phase--now::before { background: var(--grad-brand); border-color: transparent; }
.phase__when { font-size: 12px; font-weight: 700; color: var(--blue-700); letter-spacing: .04em; margin-bottom: 6px; }
.phase h3 { font-size: 16px; margin-bottom: 8px; }
.phase p { font-size: 14px; line-height: 1.78; }
.phase ul { margin-top: 10px; display: grid; gap: 5px; }
.phase li { font-size: 13.5px; color: var(--ink-3); padding-left: 14px; position: relative; line-height: 1.7; }
.phase li::before { content: ""; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--line-strong); }

/* ---------- 行业场景 ---------- */
.case {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 26px; border-radius: var(--r-lg);
  background: #FFFFFF; border: 1px solid var(--line);
}
.case__top { display: flex; align-items: center; gap: 10px; }
.case__scene {
  padding: 14px 16px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .66); border: 1px dashed var(--line-strong);
  font-size: 14px; line-height: 1.78; color: var(--ink-2);
}
.case__scene b { color: var(--ink); }
.case__flow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-3); }
.case__flow span { padding: 3px 8px; border-radius: 6px; background: rgba(15, 23, 42, .045); }
.case__flow em { font-style: normal; color: var(--ink-4); }
.case__out { font-size: 14.5px; color: var(--ink-2); line-height: 1.75; }
.case__out b { color: var(--blue-700); }

/* ---------- OPC ---------- */
.opc { display: grid; gap: 18px; }
.opc__founder {
  display: flex; align-items: center; gap: 18px;
  padding: 24px; border-radius: var(--r-xl);
  background: linear-gradient(150deg, #FFFFFF, #F4F9FF);
  border: 1px solid rgba(22, 104, 227, .2);
  box-shadow: var(--shadow-sm);
}
.opc__avatar {
  width: 64px; height: 64px; border-radius: 20px; flex-shrink: 0;
  background: var(--grad-brand);
  display: grid; place-items: center;
  color: #FFFFFF; font-size: 22px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(22, 104, 227, .24);
}
.opc__founder h3 { margin-bottom: 4px; }
.opc__founder p { font-size: 13.5px; line-height: 1.7; }
.opc__line { height: 22px; width: 1px; margin-inline: auto; background: repeating-linear-gradient(180deg, var(--line-strong) 0 4px, transparent 4px 8px); }
.opc__roles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.opc__role {
  padding: 18px; border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .62); border: 1px solid var(--line);
}
.opc__role em { display: block; font-style: normal; font-size: 11px; letter-spacing: .07em; color: var(--ink-4); margin-bottom: 5px; }
.opc__role h4 { margin-bottom: 5px; }
.opc__role p { font-size: 12.5px; line-height: 1.7; }
.opc__rule {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 18px; border-radius: var(--r-lg);
  background: rgba(15, 23, 42, .035); border: 1px solid var(--line);
}
.opc__rule svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; stroke: var(--blue-700); fill: none; stroke-width: 1.7; }
.opc__rule p { font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.opc__rule b { color: var(--ink); }

/* ---------- CTA 区块 ---------- */
.cta {
  position: relative; overflow: hidden;
  border-radius: var(--r-2xl);
  padding: clamp(36px, 5vw, 64px);
  background: linear-gradient(140deg, #103B6B 0%, #0C2A4E 58%, #12385F 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
  display: grid; grid-template-columns: minmax(0, 1.2fr) auto; gap: 32px; align-items: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 260px at 88% 0%, rgba(46, 134, 255, .26), transparent 68%),
    radial-gradient(420px 240px at 12% 110%, rgba(14, 150, 184, .16), transparent 70%);
}
.cta h2 { color: #fff; margin-bottom: 12px; position: relative; }
.cta p { color: rgba(255, 255, 255, .68); font-size: 15px; max-width: 520px; position: relative; }
.cta .btn-row { position: relative; }
.cta .btn--ghost { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .22); color: #fff; }
.cta .btn--ghost:hover { background: rgba(255, 255, 255, .14); }

/* ---------- 表单 ---------- */
.form-card {
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--r-2xl);
  background: #FFFFFF;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(15,23,42,.04);
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field label span { color: var(--blue-700); margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .9);
  font-size: 14.5px; color: var(--ink);
  transition: border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease), background var(--fast) var(--ease);
  min-height: 48px;
}
.field textarea { min-height: 108px; resize: vertical; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: rgba(15, 23, 42, .26); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(46, 134, 255, .14); background: #fff;
}
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7688' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}
.field__hint { font-size: 12px; color: var(--ink-3); line-height: 1.6; }
.field__error { font-size: 12px; color: var(--danger); line-height: 1.6; display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(201, 59, 49, .10); }
.field.has-error .field__error { display: block; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: var(--ink-3); line-height: 1.65; }
.consent input { width: 16px; height: 16px; min-height: 0; margin-top: 3px; flex-shrink: 0; accent-color: var(--blue-600); }
.form-note { font-size: 12px; color: var(--ink-3); margin-top: 14px; line-height: 1.65; }
.form-success {
  display: none;
  padding: 20px; border-radius: var(--r-lg);
  background: rgba(15, 157, 110, .08); border: 1px solid rgba(15, 157, 110, .26);
}
.form-success h4 { color: #0B6B4B; margin-bottom: 6px; }
.form-success p { font-size: 13.5px; color: #0B5C42; line-height: 1.7; }
.form-card.is-sent form { display: none; }
.form-card.is-sent .form-success { display: block; }

/* ---------- 联系信息 / 二维码 ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.contact-side { display: grid; gap: 16px; }
.qr-card {
  padding: 22px; border-radius: var(--r-xl);
  background: rgba(255, 255, 255, .78); border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm); text-align: center;
}
.qr {
  width: 148px; height: 148px; margin: 0 auto 14px;
  border-radius: var(--r-md);
  background:
    repeating-linear-gradient(90deg, rgba(20, 24, 31, .88) 0 6px, transparent 6px 12px),
    repeating-linear-gradient(0deg, rgba(20, 24, 31, .88) 0 6px, transparent 6px 12px),
    #fff;
  border: 6px solid #fff;
  box-shadow: 0 0 0 1px var(--line);
  position: relative;
  overflow: hidden;
}
.qr::after {
  content: "二维码占位"; position: absolute; inset: 0;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .92);
  color: var(--ink-3); font-size: 12px; font-weight: 600;
}
.qr-card h4 { margin-bottom: 4px; }
.qr-card p { font-size: 12.5px; line-height: 1.65; }
.info-list { display: grid; gap: 10px; }
.info-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: var(--r-md);
  background: rgba(255, 255, 255, .6); border: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-2);
}
.info-list svg { width: 17px; height: 17px; stroke: var(--blue-700); fill: none; stroke-width: 1.7; flex-shrink: 0; }
.info-list b { color: var(--ink); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq details {
  border-radius: var(--r-lg); border: 1px solid var(--line);
  background: rgba(255, 255, 255, .62);
  padding: 0 20px; transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.faq details[open] { background: #FFFFFF; border-color: rgba(22, 104, 227, .24); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 17px 0; font-size: 15px; font-weight: 600; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 20px; font-weight: 400; color: var(--ink-3);
  transition: transform var(--normal) var(--ease); line-height: 1;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { font-size: 14px; line-height: 1.8; padding-bottom: 18px; color: var(--ink-2); }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: rgba(238, 243, 250, .72); padding-block: 56px 28px; margin-top: clamp(48px, 7vw, 96px); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer__brand p { font-size: 13.5px; line-height: 1.8; margin-top: 14px; max-width: 320px; color: var(--ink-3); }
.footer__badge { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.footer h4 { font-size: 12.5px; letter-spacing: .06em; color: var(--ink-2); text-transform: uppercase; margin-bottom: 14px; font-weight: 700; }
.footer ul { display: grid; gap: 9px; }
.footer ul a, .footer ul li { font-size: 14px; color: var(--ink-2); }
.footer ul a:hover { color: var(--blue-700); }
.footer__bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: 13px; color: var(--ink-3);
}
.footer__bottom span { display: inline-flex; align-items: center; gap: 6px; }
.footer__placeholder { color: var(--blue-700); background: rgba(46, 134, 255, .10); padding: 2px 8px; border-radius: var(--r-full); }

/* ---------- 页面头（内页 Hero） ---------- */
body:not(.has-space) main { padding-top: 81px; }
.pagehead { padding-block: clamp(40px, 5vw, 72px) clamp(32px, 4vw, 48px); }
.pagehead__grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 32px; align-items: end; }
.pagehead h1 { font-size: clamp(32px, 4vw, 52px); margin-bottom: 18px; }
.pagehead .lead { max-width: 620px; }
.pagehead__meta { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.crumbs { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--ink-3); margin-bottom: 18px; }
.crumbs a:hover { color: var(--blue-700); }
.crumbs span { color: var(--ink-4); }

/* ---------- 数字卡 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--line); background: rgba(255, 255, 255, .6); }
.stat { padding: 24px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: clamp(26px, 3vw, 36px); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stat b small { font-size: 14px; font-weight: 600; margin-left: 2px; }
.stat span { font-size: 13.5px; color: var(--ink-3); line-height: 1.6; display: block; margin-top: 4px; }

/* ---------- 引用 ---------- */
.quote {
  padding: clamp(26px, 3.4vw, 38px) clamp(26px, 3.6vw, 42px) clamp(26px, 3.4vw, 38px);
  border-radius: var(--r-xl);
  background: linear-gradient(150deg, #FFFFFF, #F3F8FF);
  border: 1px solid rgba(22, 104, 227, .22);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.quote::before {
  content: "“"; display: block;
  font-family: var(--font-display); font-size: clamp(44px, 4.4vw, 60px); line-height: .8;
  color: rgba(46, 134, 255, .45); margin-bottom: 6px;
}
.quote p { font-family: var(--font-display); font-size: clamp(17px, 1.7vw, 21px); line-height: 1.9; color: var(--ink); font-weight: 600; letter-spacing: .01em; }
.quote cite { display: block; margin-top: 16px; font-style: normal; font-size: 13px; color: var(--ink-3); }

/* ---------- 滚动动效 ---------- */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.is-in { opacity: 1; transform: none; }
html.js .reveal[data-delay="1"] { transition-delay: .06s; }
html.js .reveal[data-delay="2"] { transition-delay: .12s; }
html.js .reveal[data-delay="3"] { transition-delay: .18s; }
html.js .reveal[data-delay="4"] { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__cta { margin-left: auto; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__lead { max-width: 640px; }
  .panel { max-width: 620px; }
  .split { grid-template-columns: 1fr; }
  .sticky-col { position: static; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .module { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); }
  .module .tag-list { grid-column: 1 / -1; justify-content: flex-start; margin-top: 4px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .step:nth-child(2)::after { display: none; }
  .roadmap { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .roadmap::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pagehead__grid { grid-template-columns: 1fr; }
  .pagehead__meta { justify-content: flex-start; }
  .cta { grid-template-columns: 1fr; }
  .ui { grid-template-columns: 1fr; }
  .ui__rail { display: none; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .sec-head__aside { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .nav .nav__inner { height: var(--nav-h, 92px); }
  .nav__cta { display: none; }
  .hero { padding-top: 36px; }
  .hero h1 { font-size: clamp(30px, 8.4vw, 40px); }
  .hero__note { font-size: 12.5px; gap: 6px 14px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi__value { font-size: 21px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .module { grid-template-columns: 1fr; gap: 10px; padding: 24px 2px; }
  .module__head h3 { margin-bottom: 2px; }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .roadmap { grid-template-columns: 1fr; }
  .opc__roles { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .compare__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare { overflow: visible; }
  .compare table { min-width: 620px; }
  .pain__row { grid-template-columns: 1fr; gap: 4px; }
  .bigstat__item { grid-template-columns: 78px 1fr; gap: 14px; }
  .ui__tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: 1fr; gap: 26px; }
  .footer__bottom { flex-direction: column; gap: 8px; }
  .quote p { font-size: 16.5px; }
  .device__screen { width: 190px; height: 372px; }
  .cta { padding: 28px 22px; }
  .hero .btn-row .btn, .cta .btn-row .btn { width: 100%; }
  .hero .btn-row, .cta .btn-row { gap: 10px; }
  .section { padding-block: 60px; }
  .section--tight { padding-block: 44px; }
}

/* ---------- 规格清单（替代等宽卡片矩阵） ---------- */
.spec { border-top: 1px solid var(--line-strong); }
.spec__row {
  display: grid;
  grid-template-columns: minmax(160px, 210px) minmax(0, 1.35fr) minmax(190px, 260px);
  gap: 10px clamp(20px, 3vw, 44px);
  align-items: start;
  padding: clamp(22px, 2.6vw, 30px) 4px;
  border-bottom: 1px solid var(--line);
}
.spec__row--wide { grid-template-columns: minmax(160px, 210px) minmax(0, 1fr); }
.spec__head h3 { font-family: var(--font-display); font-size: clamp(18px, 1.5vw, 21px); line-height: 1.45; margin-bottom: 6px; }
.spec__head .module__badge { display: block; font-size: 11.5px; font-weight: 600; letter-spacing: .14em; color: var(--ink-3); }
.spec__body p { font-size: 14.5px; line-height: 1.85; }
.spec__body ul { margin-top: 10px; display: grid; gap: 6px; }
.spec__body li { position: relative; padding-left: 16px; font-size: 14px; line-height: 1.8; color: var(--ink-2); }
.spec__body li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 1px; background: var(--blue-600); }
.spec__meta { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.spec__meta .link-arrow { justify-content: flex-end; }

/* ---------- 短条目两栏（无卡片外壳） ---------- */
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(26px, 4vw, 56px); border-top: 1px solid var(--line-strong); }
.fact { padding: clamp(20px, 2.4vw, 26px) 0; border-bottom: 1px solid var(--line); }
.fact h3 { font-size: 16px; margin-bottom: 8px; }
.fact p { font-size: 14px; line-height: 1.8; }

@media (max-width: 1080px) {
  .spec__row, .spec__row--wide { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
  .spec__meta { grid-column: 1 / -1; justify-content: flex-start; }
}
@media (max-width: 760px) {
  .spec__row, .spec__row--wide { grid-template-columns: 1fr; gap: 8px; }
  .facts { grid-template-columns: 1fr; }
}

/* ==========================================================================
   阳实科技 · 新增组件（截图 / 视频 / 时间线 / 价格）
   ========================================================================== */

/* ---------- 浏览器框 ---------- */
.browser {
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.browser__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.browser__dots { display: flex; gap: 5px; }
.browser__dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(12,26,44,.14); }
.browser__url {
  flex: 1; min-width: 0;
  height: 24px; border-radius: var(--r-full);
  background: #fff; border: 1px solid var(--line);
  display: flex; align-items: center; padding: 0 10px;
  font-size: 11.5px; color: var(--ink-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.browser img { width: 100%; display: block; height: auto; }

/* ---------- 视频播放器 ---------- */
.player {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: #0C2A4E;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(12, 42, 78, .3);
}
.player video,
.player img.poster { width: 100%; display: block; aspect-ratio: 16 / 9; object-fit: cover; background: #0C2A4E; }
.player__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  margin-top: 14px; font-size: 13px; color: var(--ink-3);
}
.player__meta .tag { flex-shrink: 0; }

/* ---------- 截图墙 ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
}
.shot { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.shot__img {
  border-radius: var(--r-md);
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--bg-alt);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--normal) var(--ease), transform var(--normal) var(--ease);
}
.shot__img img { width: 100%; display: block; }
.shot:hover .shot__img { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.shot figcaption { font-size: 13px; line-height: 1.65; color: var(--ink-3); }
.shot figcaption b { display: block; font-size: 14px; color: var(--ink); font-weight: 600; margin-bottom: 2px; }

/* ---------- 手机截图横排 ---------- */
.phones {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  min-width: 0;
  gap: 14px;
  align-items: start;
}
.phone {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(12, 42, 78, .18);
  background: #0A0E16;
  box-shadow: 0 10px 28px rgba(12, 42, 78, .14);
}
.phone img { width: 100%; display: block; }
.phone figcaption { font-size: 12px; color: var(--ink-3); text-align: center; margin-top: 8px; }

/* 四端横排（大图） */
.ends { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(16px, 2.4vw, 28px); align-items: start; }
.ends > *, .ends__col > *, .gallery > *, .phones > * { min-width: 0; }
.ends__col { display: grid; gap: clamp(16px, 2.4vw, 28px); min-width: 0; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; display: grid; gap: 0; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(180deg, var(--blue-500), rgba(46,134,255,.12));
}
.tl-item { position: relative; padding: 0 0 clamp(22px, 2.6vw, 30px) 34px; }
.tl-item::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 15px; height: 15px; border-radius: 50%;
  background: #fff; border: 2px solid var(--blue-600);
  box-shadow: 0 0 0 4px rgba(46,134,255,.10);
}
.tl-item--now::before { background: var(--blue-600); }
.tl-when { font-size: 12px; font-weight: 700; color: var(--blue-700); letter-spacing: .03em; }
.tl-item h3 { font-size: 16px; margin: 3px 0 4px; }
.tl-item p { font-size: 13.5px; line-height: 1.75; }

/* ---------- 价格 ---------- */
.prices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.price {
  padding: 26px 24px; border-radius: var(--r-lg);
  background: #fff; border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px;
}
.price--mid { border-color: rgba(22,104,227,.34); box-shadow: 0 0 0 3px rgba(46,134,255,.08); }
.price__scale { font-size: 12.5px; font-weight: 600; color: var(--ink-3); letter-spacing: .04em; }
.price__num { font-size: clamp(28px, 3vw, 36px); font-weight: 700; letter-spacing: -.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.price__num small { font-size: 14px; font-weight: 500; color: var(--ink-3); margin-left: 2px; }
.price p { font-size: 13.5px; line-height: 1.7; }
.price ul { display: grid; gap: 6px; margin-top: 4px; }
.price li { font-size: 13px; color: var(--ink-2); padding-left: 16px; position: relative; line-height: 1.7; }
.price li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 2px; background: var(--blue-200); }

/* ---------- 公司信息 ---------- */
.facts-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 4vw, 56px); border-top: 1px solid var(--line-strong); }
.facts-grid div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.facts-grid dt { font-size: 12.5px; color: var(--ink-3); margin-bottom: 4px; }
.facts-grid dd { font-size: 14.5px; color: var(--ink); font-weight: 500; }
.facts-grid dd a { color: var(--blue-700); }

/* ---------- 品牌标识 ---------- */
.brand img { border-radius: 8px; }
.brand__sub { letter-spacing: .14em; }

.founder-grid { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: clamp(20px, 3vw, 36px); align-items: start; }
@media (max-width: 760px) { .founder-grid { grid-template-columns: 1fr; } }

/* ---------- 响应式补充 ---------- */
@media (max-width: 1080px) {
  .ends { grid-template-columns: 1fr; }
  .phones { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery { grid-template-columns: 1fr; }
  .prices { grid-template-columns: 1fr; }
  .facts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .phones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ==========================================================================
   全屏分屏叙事（首页）
   ========================================================================== */
body.has-space { background: #FFFFFF; }
body.has-space::before { background: #FFFFFF; }

#space-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  display: block;
}
/* 全局透视空间上方压一层很薄的雾，保证文字对比度 */
.space-veil {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(52% 62% at 22% 44%, rgba(255,255,255,.58) 0%, rgba(255,255,255,.18) 55%, rgba(255,255,255,0) 78%),
    linear-gradient(180deg, rgba(245,248,253,.06) 0%, rgba(245,248,253,0) 40%, rgba(245,248,253,.34) 100%);
}

/* 桌面端：滚动吸附 + 每屏满视口 */
@media (min-width: 900px) {
  /* mandatory：滚动一定落在整屏上，不会停在两屏之间 */
  html.snap { scroll-snap-type: y mandatory; }
  html.snap .screen,
  html.snap .hero-figma { scroll-snap-align: start; scroll-snap-stop: always; }
}

.screen {
  position: relative;
  height: 100svh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 96px 48px;   /* 上方留出导航高度，内容仍垂直居中 */
  overflow: hidden;
}
.screen__inner {
  width: 100%;
  max-width: var(--page-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.screen--flip .screen__inner { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.screen--flip .screen__text { order: 2; }
.screen--flip .screen__vis { order: 1; }

.screen__text { position: relative; z-index: 2; }
.screen__vis { position: relative; z-index: 2; min-width: 0; }

/* 屏号 + 细线，替代眉标 */
.screen__idx {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 600; letter-spacing: .18em;
  color: var(--blue-700); margin-bottom: 22px;
  font-variant-numeric: tabular-nums;
}
.screen__idx::after {
  content: ""; width: 64px; height: 1px;
  background: linear-gradient(90deg, rgba(22,104,227,.55), rgba(22,104,227,0));
}
.screen h2 {
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.28;
  margin-bottom: 18px;
}
.screen__lead {
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 460px;
}
.screen .btn-row { margin-top: 28px; }

/* 屏间细描边，强化"分屏"感 */
.screen::before {
  content: "";
  position: absolute; left: var(--gutter); right: var(--gutter); top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(22,104,227,.16), rgba(22,104,227,.04) 45%, rgba(22,104,227,0));
}
.screen:first-of-type::before { display: none; }

/* 右侧视觉容器：玻璃但克制 */
.vis-frame {
  position: relative;
  border-radius: var(--r-lg);
  padding: 10px;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(22,104,227,.14);
  box-shadow: 0 24px 60px -28px rgba(12,42,78,.30), 0 1px 0 rgba(255,255,255,.9) inset;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.vis-frame img { border-radius: 6px; width: 100%; display: block; height: auto; }
.vis-frame__tag {
  position: absolute; left: 18px; top: 18px; z-index: 2;
  font-size: 10.5px; font-weight: 600; letter-spacing: .12em;
  padding: 4px 9px; border-radius: 4px;
  background: rgba(255,255,255,.92); color: var(--blue-800);
  border: 1px solid rgba(22,104,227,.20);
}

/* 首屏 HUD */
.hud {
  position: absolute; inset: auto 0 0 0;
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 24px;
  padding: 0 var(--gutter) 22px;
  font-size: 10.5px; letter-spacing: .14em; color: var(--ink-4);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}
.hud__col { display: grid; gap: 4px; }
.hud b { color: var(--blue-700); font-weight: 600; }
.hud__scroll {
  display: inline-flex; align-items: center; gap: 8px;
  letter-spacing: .12em;
}
.hud__scroll::after {
  content: ""; width: 1px; height: 26px;
  background: linear-gradient(180deg, var(--blue-500), rgba(46,134,255,0));
  animation: hudDrift 2.2s var(--ease) infinite;
}
@keyframes hudDrift {
  0%, 100% { transform: translateY(-2px); opacity: .3; }
  50% { transform: translateY(4px); opacity: 1; }
}

/* 右侧屏导航（桌面） */
.rail {
  position: fixed; right: 22px; top: 50%; transform: translateY(-50%);
  z-index: 60; display: none;
  flex-direction: column; gap: 14px;
  align-items: flex-end;
}
@media (min-width: 1180px) { .rail { display: flex; } }
.rail a {
  display: flex; align-items: center; gap: 10px;
  font-size: 10.5px; letter-spacing: .12em; color: var(--ink-4);
  text-decoration: none; transition: color var(--fast) var(--ease);
}
.rail a span { opacity: 0; transform: translateX(6px); transition: all var(--normal) var(--ease); }
.rail a::after {
  content: ""; width: 16px; height: 1px; background: currentColor; opacity: .5;
}
.rail a.is-on { color: var(--blue-700); }
.rail a.is-on span { opacity: 1; transform: none; }
.rail a.is-on::after { width: 30px; opacity: 1; background: var(--blue-600); }

/* 首屏标题放大 */
.screen--dense .spec__row { padding: 12px 0 !important; }
.screen .kpi-strip { margin-top: 26px; }
.screen .kpi-strip div { padding: 12px 16px 0 0; }
.screen .kpi-strip b { font-size: clamp(20px, 1.9vw, 26px); }
.screen--dense .card { padding: 16px 18px; }
.screen--dense .spec__body p { font-size: 12.5px !important; line-height: 1.6 !important; }
.screen--dense .spec__head h3 { font-size: 15px !important; }
.screen--dense h2 { font-size: clamp(26px, 3vw, 40px); }

.screen--hero h1 {
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.22;
  margin-bottom: 22px;
}

/* 数字条（横贯一屏底部） */
.kpi-strip {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0; margin-top: 34px;
  border-top: 1px solid var(--line);
}
.kpi-strip div { padding: 16px 18px 0 0; }
.kpi-strip b { display: block; font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi-strip b small { font-size: 12px; font-weight: 500; color: var(--ink-3); margin-left: 3px; }
.kpi-strip span { font-size: 11.5px; color: var(--ink-3); }

@media (max-width: 899px) {
  .screen { height: auto; min-height: 0; padding-block: clamp(64px, 9vw, 88px) clamp(56px, 8vw, 76px); overflow: visible; }
  .screen__inner, .screen--flip .screen__inner { grid-template-columns: 1fr; gap: 26px; }
  .screen--flip .screen__text, .screen--flip .screen__vis { order: initial; }
  .screen h2 { font-size: clamp(24px, 6.2vw, 30px); }
  .hud {
    position: static; inset: auto; padding: 0 var(--gutter) 22px;
    flex-wrap: wrap; gap: 10px 16px; font-size: 9.5px; letter-spacing: .08em;
  }
  .hud__col:nth-child(2) { display: none; }
  .hud__scroll { margin-left: auto; }
  .hud__col span { white-space: normal; }
  .kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .screen--hero h1 { font-size: clamp(30px, 8.6vw, 40px); }
}

/* ---------- 业务线清单（首页第二屏） ---------- */
.biz { border-top: 1px solid var(--line-strong); }
.biz__row {
  display: grid; grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 16px; padding: clamp(16px, 1.8vw, 22px) 2px;
  border-bottom: 1px solid var(--line);
}
.biz__no {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--blue-600); padding-top: 4px; font-variant-numeric: tabular-nums;
}
.biz__row h3 { font-size: clamp(16px, 1.4vw, 18px); margin-bottom: 6px; }
.biz__row p { font-size: 13.5px; line-height: 1.75; color: var(--ink-2); }
.biz__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

/* ==========================================================================
   首屏 · 按 Figma「阳实科技·官网 / 官网首屏」1440×832 还原
   版式：左对齐内容块（x=120, w=616, 基线 y=247），87px 两行标题，白底 + 极光
   ========================================================================== */
.hero-figma {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  /* ★ 垂直居中：内容块在视口里居中，不再用固定 padding-top 顶下去 */
  justify-content: center;
  /* 上下留出导航高度与底部版权，避免居中后被遮住 */
  padding: 92px var(--gutter);
  background: #FFFFFF;
  scroll-snap-align: start;
}
.hero-figma > .aurora { z-index: 0; }
.hero-figma__inner, .hero-figma__copy { position: relative; z-index: 2; }
.hero-figma__inner {
  width: 100%;
  max-width: 616px;
  margin-left: max(0px, calc((100vw - var(--page)) / 2 - var(--gutter)));
}
@media (max-width: 1280px) {
  .hero-figma__inner { margin-left: 0; }
}

/* 眉行：短横线 + 14.4px 文案（Figma: Vector 30×1 + 42px 间距） */
.hero-figma__kicker {
  display: flex; align-items: center; gap: 12px;
  font-size: 14.4px; font-weight: 500; letter-spacing: .01em;
  color: #0C1A2C;
  margin-bottom: 12px;
}
.hero-figma__rule {
  display: block; width: 30px; height: 1px;
  background: currentColor; opacity: .55;
}

/* 主标题：Figma 88px / 行高 110px / Semibold / 左对齐 */
.hero-figma__title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(40px, 6.1vw, 88px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: #0C1A2C;
  margin: 0 0 12px;
}

/* 副标题：16px / 行高 22px */
.hero-figma__sub {
  font-size: 16px;
  line-height: 1.45;
  color: #2C4058;
  max-width: 572px;
  margin: 0;
}

/* 按钮行整体下移：与副标题拉开距离 */
/* 动作行：黑底按钮 + 文字链接
   padding-top 控制"标题区与按钮"的间隔 —— 想拉开就调大 */
.hero-figma__actions {
  display: flex; align-items: center; gap: 24px;
  flex-wrap: wrap;
  /* ★ 这个值就是"标题区与按钮"的间隔，想拉开就调大 */
  margin-top: 44px;
  padding-top: 0;
}
.hero-figma__cta {
  display: inline-flex; align-items: center; gap: 8px;
  height: 33px; padding: 0 12px;
  border-radius: 4px;
  background: #0C1A2C; color: #fff;
  font-size: 12px; font-weight: 500;
  transition: background var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.hero-figma__cta:hover { background: #1B2C44; transform: translateY(-1px); }
.hero-figma__cta svg { width: 10px; height: 10px; }

.hero-figma__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14.4px; font-weight: 500; color: #0C1A2C;
  transition: gap var(--fast) var(--ease), opacity var(--fast) var(--ease);
}
.hero-figma__link:hover { gap: 10px; opacity: .72; }
.hero-figma__link svg { width: 16px; height: 16px; }

/* 版权：Figma 放在 x=120 / y=791（底部） */
.hero-figma__copy {
  position: absolute;
  left: var(--gutter);
  bottom: 24px;
  margin: 0;
  font-size: 12px;
  color: #526A83;
}
@media (min-width: 1281px) {
  .hero-figma__copy { left: max(var(--gutter), calc((100vw - var(--page)) / 2)); }
}

@media (max-width: 760px) {
  .hero-figma { min-height: 100svh; justify-content: center; padding-top: 72px; padding-bottom: 72px; }
  .hero-figma__title { font-size: clamp(34px, 9.4vw, 44px); line-height: 1.3; margin-bottom: 28px; }
  .hero-figma__sub { font-size: 15px; margin-bottom: 0; }
  .hero-figma__copy { position: static; margin-top: 56px; }
}

/* ---------- 导航：按 Figma「官网首屏」还原 ---------- */
.nav .brand {
  display: inline-flex; align-items: center; gap: 7px;
  color: #0C1A2C;
}
.brand__mark { display: block; width: 28px; height: 34px; flex-shrink: 0; }
/* 官方图文标（229×82，墨迹占 97%×90%）：33px 高 ≈ 旧版 91×30 的显示尺寸 */
.brand__logo {
  display: block;
  width: auto;
  height: 33px;
  flex-shrink: 0;
  object-fit: contain;   /* 保证等比完整显示，不会被容器裁 */
  object-position: left center;
}
.brand--footer .brand__logo { height: 24px; }
.brand__mark svg { width: 100%; height: 100%; display: block; }
.nav .brand__text { display: flex; flex-direction: column; justify-content: center; }
.nav .brand__name { font-size: 17px; font-weight: 600; line-height: 1.15; letter-spacing: 0; }
.nav .brand__sub { font-size: 11px; letter-spacing: .05em; color: #0C1A2C; margin-top: 3px; text-transform: uppercase; }
.nav__caret { width: 18px; height: 18px; margin-left: 5px; opacity: .7; }
.nav__links a { display: inline-flex; align-items: center; }
.nav__cta svg { width: 10px; height: 10px; }
.nav .nav__divider, .nav .brand-product { display: none; }

@media (max-width: 1080px) {
  .nav .brand__name { font-size: 15.5px; }
  .nav__toggle { border-color: rgba(12,26,44,.14); background: rgba(255,255,255,.6); }
}

/* 页脚品牌：与导航同一套标识，稍大一号 */
.brand--footer { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); }
.brand--footer .brand__mark { width: 26px; height: 32px; }
.brand--footer .brand__name { font-size: 16px; font-weight: 600; }
.brand--footer .brand__sub { font-size: 10px; letter-spacing: .06em; color: var(--ink-3); margin-top: 2px; }

/* ==========================================================================
   隐藏滚动条（含 Firefox / WebKit / 旧 IE）
   页面仍可滚动，只是不显示那条灰色滑块
   ========================================================================== */
html { scrollbar-width: none; -ms-overflow-style: none; }
html::-webkit-scrollbar,
body::-webkit-scrollbar { width: 0; height: 0; display: none; }

/* ==========================================================================
   首屏响应式 —— 以 Figma「官网首屏」1440×832 为基准等比换算
   Figma 原始规格：内容块 x=120 / 宽 616；标题 88px、行高 110px；
                  副标题 16px；按钮 88×33、圆角 4；链接 14.4px
   ========================================================================== */

/* 标题换行：设计稿是两行，靠一个可隐藏的分隔实现 */
.hero-figma__br { display: block; }

/* 内容块左边距：设计稿 120px = (1440 − 1200) / 2 */
.hero-figma__inner {
  margin-left: max(0px, calc((100vw - var(--page)) / 2 - var(--gutter)));
}

/* —— 1440 及以上：完全按设计稿 —— */
@media (min-width: 1440px) {
  .hero-figma { padding: 92px var(--gutter); }
  .hero-figma__inner { max-width: 740px; }
  .hero-figma__kicker { font-size: 17px; margin-bottom: 14px; }
  .hero-figma__title { font-size: 96px; line-height: 1.18; margin-bottom: 16px; }
  .hero-figma__sub { font-size: 19px; line-height: 1.6; max-width: 700px; }
  .hero-figma__cta { height: 44px; padding: 0 20px; font-size: 15px; border-radius: 6px; }
  .hero-figma__link { font-size: 17px; }
}

/* —— 1280–1439：整体等比缩到 ~92%，保持版面比例 —— */
@media (min-width: 1280px) and (max-width: 1439px) {
  .hero-figma { padding: 92px var(--gutter); }
  .hero-figma__inner { max-width: 640px; margin-left: 0; }
  .hero-figma__kicker { font-size: 16px; margin-bottom: 14px; }
  .hero-figma__title { font-size: clamp(62px, 6.9vw, 88px); line-height: 1.18; margin-bottom: 16px; }
  .hero-figma__sub { font-size: 18px; max-width: 620px; }
  .hero-figma__cta { height: 44px; padding: 0 20px; font-size: 15px; border-radius: 6px; }
  .hero-figma__link { font-size: 16.5px; }
}

/* —— 1024–1279：笔记本，标题降到 ~64px，按钮略放大以保点击面积 —— */
@media (min-width: 1024px) and (max-width: 1279px) {
  .hero-figma { padding: 92px var(--gutter); }
  .hero-figma__inner { max-width: 560px; }
  .hero-figma__kicker { font-size: 15.5px; margin-bottom: 13px; }
  .hero-figma__title { font-size: clamp(52px, 5.8vw, 70px); line-height: 1.2; margin-bottom: 16px; }
  .hero-figma__sub { font-size: 17px; line-height: 1.6; max-width: 580px; }
  .hero-figma__cta { height: 46px; padding: 0 22px; font-size: 15px; border-radius: 6px; }
  .hero-figma__link { font-size: 16px; }
  .hero-figma__actions { gap: 24px; margin-top: 56px; }
}

/* —— 768–1023：平板，单栏，标题 ~44px —— */
@media (min-width: 768px) and (max-width: 1023px) {
  .hero-figma { padding: 92px var(--gutter); }
  .hero-figma__inner { max-width: 100%; }
  .hero-figma__kicker { font-size: 15px; margin-bottom: 12px; }
  .hero-figma__title { font-size: clamp(48px, 6.6vw, 66px); line-height: 1.2; margin-bottom: 16px; }
  .hero-figma__sub { font-size: 17px; line-height: 1.6; max-width: 600px; }
  .hero-figma__cta { height: 48px; padding: 0 22px; font-size: 16px; border-radius: 6px; }
  .hero-figma__link { font-size: 16px; }
  .hero-figma__actions { gap: 22px; margin-top: 50px; }
}

/* —— 480–767：手机横屏 / 大手机，标题 ~34px，按钮 44px 触控友好 —— */
@media (min-width: 480px) and (max-width: 767px) {
  .hero-figma { padding: 72px var(--gutter); min-height: 100svh; }
  .hero-figma__inner { max-width: 100%; }
  .hero-figma__kicker { font-size: 14px; margin-bottom: 12px; }
  .hero-figma__rule { width: 26px; }
  .hero-figma__title { font-size: clamp(38px, 8.4vw, 48px); line-height: 1.24; margin-bottom: 16px; }
  .hero-figma__br { display: none; }
  .hero-figma__sub { font-size: 16px; line-height: 1.65; max-width: 100%; margin-bottom: 0; }
  .hero-figma__actions { gap: 16px; margin-top: 36px; }
  .hero-figma__cta { height: 48px; padding: 0 22px; font-size: 16px; border-radius: 6px; }
  .hero-figma__link { font-size: 16px; }
  .hero-figma__copy { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 20px; font-size: 12px; }
}

/* —— 360–479：常规手机 —— */
@media (max-width: 479px) {
  .hero-figma { padding: 72px var(--gutter); min-height: 100svh; }
  .hero-figma__inner { max-width: 100%; }
  .hero-figma__kicker { font-size: 13.5px; gap: 10px; margin-bottom: 12px; }
  .hero-figma__rule { width: 22px; }
  .hero-figma__title { font-size: clamp(34px, 9.6vw, 42px); line-height: 1.26; margin-bottom: 16px; }
  .hero-figma__br { display: none; }
  .hero-figma__sub { font-size: 15.5px; line-height: 1.65; max-width: 100%; margin-bottom: 0; }
  .hero-figma__actions { gap: 14px; margin-top: 32px; }
  .hero-figma__cta { height: 48px; padding: 0 20px; font-size: 16px; border-radius: 6px; }
  .hero-figma__link { font-size: 15.5px; }
  .hero-figma__copy { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 20px; font-size: 12px; line-height: 1.5; }
}

/* —— 极窄屏：< 360 —— */
@media (max-width: 359px) {
  .hero-figma__title { font-size: 30px; }
  .hero-figma__cta { height: 46px; padding: 0 18px; font-size: 15px; }
  .hero-figma__sub { font-size: 15px; }
}

/* ==========================================================================
   服务领域 · 导航下拉（对应 Figma「服务领域展开」）
   ========================================================================== */
.nav__drop { position: relative; display: inline-flex; }
.nav__drop-btn {
  position: relative;
  display: inline-flex; align-items: center;
  padding: 10px 16px;
  font-size: 15px; font-weight: 400; color: #0C1A2C;
  transition: color var(--fast) var(--ease), opacity var(--fast) var(--ease);
}
.nav__drop-btn:hover { opacity: .6; }
.nav__drop.is-open .nav__drop-btn { color: var(--blue-600); opacity: 1; }
.nav__drop.is-open .nav__caret { transform: rotate(180deg); }
.nav__caret { transition: transform var(--fast) var(--ease); }

/* 面板：按 Figma「服务领域展开」—— 全宽、纯白 50% + 背景模糊 30，无圆角无描边
   左右内边距与正文容器同源（--page + --gutter），保证任何视口下卡片组都与页面内容左右对齐 */
.svc-menu {
  position: fixed; top: var(--nav-h, 92px); left: 0; right: 0;
  display: grid; grid-template-columns: repeat(5, 182px);
  justify-content: space-between;
  /* 与 .wrap / .nav__inner 同源：小屏留 --gutter，宽屏收进 --page 的居中留白 */
  padding: 40px max(var(--gutter), calc((100vw - var(--page)) / 2));
  background: rgba(255, 255, 255, .5);
  backdrop-filter: blur(30px) saturate(140%);
  -webkit-backdrop-filter: blur(30px) saturate(140%);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--normal) var(--ease), transform var(--normal) var(--ease), visibility var(--normal);
  z-index: 120;
}
/* 展开比关闭态略实一点：首屏极光下 50% 白底对比不足，62% 仍保留玻璃感 */
.nav__drop.is-open .svc-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(0);
  background: rgba(255, 255, 255, .62);
}
/* 覆盖 .nav__links a 的默认链接样式，卡片才有自己的排版 */
.nav__links .svc-card {
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 24px; padding: 0; min-height: 202px;
  font-size: 14px; color: var(--ink); opacity: 1;
}
.nav__links .svc-card:hover { opacity: 1; }
.svc-card__art { display: block; width: 120px; height: 120px; }
.svc-card__art img { display: block; width: 100%; height: 100%; object-fit: contain; }
.svc-card__text { display: flex; flex-direction: column; gap: 4px; width: 182px; }
.svc-card__title {
  display: block; font-size: 14px; font-weight: 500; color: #000;
  line-height: 20px; transition: color var(--fast) var(--ease);
}
.nav__links .svc-card:hover .svc-card__title { color: var(--blue-600); }
.svc-card__desc {
  display: block; font-size: 12px; font-weight: 300; line-height: 17px; color: #000; opacity: .6;
}

@media (max-width: 1080px) {
  .svc-menu { display: none; }
  .nav__drop-btn { pointer-events: none; }
}
@media (prefers-reduced-motion: reduce) {
  .svc-menu, .nav__caret, .svc-card { transition: none; }
}
