/* ============================================================
   易得软件 · 站点样式 v2（2026-10-09 全面升级）
   设计原则：暖纸白底、墨色文字、深青绿品牌色；
   三件产品各有一个辅色（music 青 / see 琥珀 / zip 靛蓝）；
   全部资产本地化，零外链请求。
   ============================================================ */

:root {
  --bg: #FCFBF8;
  --surface: #FFFFFF;
  --soft: #F5F4EF;
  --ink: #16181D;
  --ink-soft: #3E424B;
  --muted: #6A6E78;
  --line: #E9E7E0;
  --line-strong: #D8D5CC;
  --inverse: #15171B;
  --inverse-text: #F5F4F0;
  --inverse-muted: #9DA0A7;
  --danger: #9F2D20;

  --brand: #0E6E5C;
  --brand-strong: #0A5546;
  --brand-soft: #E3F0EC;
  --music: #0E6E5C;  --music-soft: #E3F0EC;
  --see: #9C5A0B;    --see-soft: #F6EEDF;
  --zip: #3D56B2;    --zip-soft: #E8ECF8;

  --header: 64px;
  --measure: 1160px;
  --wrap: min(var(--measure), calc(100% - 80px));
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(21, 23, 27, 0.05);
  --shadow-md: 0 10px 30px -12px rgba(21, 23, 27, 0.18);
  --shadow-lg: 0 24px 60px -20px rgba(21, 23, 27, 0.28);
}

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

html { color-scheme: light; background: var(--bg); scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main { flex: 1 0 auto; }

button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
p, h1, h2, h3, h4 { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }

img, svg { display: block; max-width: 100%; }

::selection { background: #CDE5DE; }

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

/* ---------- 无障碍 ---------- */

.skip {
  position: absolute;
  left: 16px;
  top: -56px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: top .15s ease;
}

.skip:focus { top: 12px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 布局 ---------- */

.wrap { width: var(--wrap); margin-inline: auto; }

/* ---------- 页头 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header);
  padding-inline: max(40px, calc((100% - var(--measure)) / 2));
  background: rgba(252, 251, 248, 0.86);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(21, 23, 27, 0.02), 0 8px 24px -18px rgba(21, 23, 27, 0.25);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--ink);
}

.brand .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: var(--shadow-sm);
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.brand-en {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.header-panel {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav { display: flex; gap: 6px; }

.nav a {
  position: relative;
  padding: 9px 13px;
  border-radius: 9px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 550;
  transition: color .15s ease, background .15s ease;
}

.nav a:hover { background: var(--soft); color: var(--ink); }

.nav a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}

.nav a[aria-current="page"] { color: var(--ink); background: transparent; }
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border-radius: 9px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.lang-switch button {
  min-width: 38px;
  height: 28px;
  padding: 0 9px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  transition: color .15s ease;
}

.lang-switch button:hover { color: var(--ink); }

.lang-switch button[aria-pressed="true"] {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(21, 23, 27, 0.14);
}

.nav-toggle {
  display: none;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
}

.when-open { display: none; }
body.nav-open .when-closed { display: none; }
body.nav-open .when-open { display: inline; }

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}

.btn:hover { background: var(--soft); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.btn-fill {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.btn-fill:hover { background: #26292F; }

.btn-brand {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px -8px rgba(14, 110, 92, 0.65);
}
.btn-brand:hover { background: var(--brand-strong); border-color: var(--brand-strong); }

.btn-light {
  border-color: transparent;
  background: #fff;
  color: var(--ink);
}
.btn-light:hover { background: var(--soft); }

.text-link,
.quiet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover, .quiet:hover { text-decoration: underline; text-underline-offset: 4px; }
.quiet { margin-top: 18px; }

/* ---------- 标题与文案 ---------- */

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}

.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  opacity: .85;
}

.page-hero .kicker,
.section-head .kicker { color: var(--muted); }
.page-hero .kicker::before,
.section-head .kicker::before { background: var(--brand); }

.display,
.page-hero h1 {
  font-size: clamp(44px, 5.2vw, 72px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-hero { padding: 76px 0 10px; }

.page-hero h1 {
  max-width: none;
  font-size: clamp(32px, 3.4vw, 48px);
}

.lede {
  margin-top: 22px;
  max-width: 40rem;
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 首页 Hero ---------- */

.hero {
  position: relative;
  padding: 84px 0 30px;
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.hero-graphic {
  filter: drop-shadow(0 30px 40px rgba(21, 23, 27, 0.12));
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero .display,
.hero .lede,
.hero .actions,
.hero .kicker { animation: rise .55s ease backwards; }
.hero .lede { animation-delay: .08s; }
.hero .actions { animation-delay: .16s; }

/* ---------- 数据条 ---------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 60px;
  border-block: 1px solid var(--line);
}

.metrics div { padding: 24px 26px 24px 0; }

.metrics div + div { padding-left: 26px; border-left: 1px solid var(--line); }

.metrics strong {
  display: block;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}

.metrics strong .accent { color: var(--brand); }

.metrics span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
}

/* ---------- 区块 ---------- */

.section { padding: 92px 0; }
.section-tight { padding-top: 0; }
.section-soft { padding: 92px 0; background: var(--soft); border-block: 1px solid var(--line); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 34px;
}

.section-head h2,
.block-title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.shot-band .block-title {
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.35;
}

.section-head p,
.block-copy {
  max-width: 28rem;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 产品目录（行式，software 目录页复用） ---------- */

.work-list { border-bottom: 0; }

.work a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 10px 22px;
  align-items: center;
  padding: 26px 16px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  border-radius: 14px;
  transition: background .15s ease;
}

.work a:hover { background: var(--surface); box-shadow: var(--shadow-sm); }

.section-soft .work a:hover { background: #fff; }

.work-no {
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.work-kicker {
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.work h3 {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.work p { margin-top: 4px; color: var(--ink-soft); font-size: 15px; }

.work-meta {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.work .p-icon { width: 56px; height: 56px; }

/* ---------- 产品卡片（网格） ---------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lg);
}

.product-card .p-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.product-card .p-icon { width: 58px; height: 58px; }

.product-card h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.product-card .p-desc {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
  flex: 1;
}

.p-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--soft);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}

.pill.t-music { background: var(--music-soft); color: var(--music); border-color: transparent; }
.pill.t-see   { background: var(--see-soft);   color: var(--see);   border-color: transparent; }
.pill.t-zip   { background: var(--zip-soft);   color: var(--zip);   border-color: transparent; }
.pill.t-free  { background: var(--brand-soft); color: var(--brand); border-color: transparent; }

.p-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}

.p-go .arrow { transition: transform .15s ease; }
.product-card:hover .p-go .arrow { transform: translateX(3px); }

/* ---------- 横幅双卡（共享 / 委托） ---------- */

.paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.path {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 300px;
  padding: 36px;
  border-radius: 20px;
  text-decoration: none;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
}

.path:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.path .kicker { color: inherit; opacity: .75; }
.path .kicker::before { background: currentColor; }

.path h2 {
  margin-top: 10px;
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.path p {
  margin-top: 12px;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
}

.path .go {
  margin-top: auto;
  padding-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14.5px;
  font-weight: 700;
}

.path .go .arrow { transition: transform .15s ease; }
.path:hover .go .arrow { transform: translateX(4px); }

.path-dark {
  background: var(--inverse);
  color: var(--inverse-text);
}

.path-dark::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 110, 92, 0.55), transparent 68%);
}

.path-dark .kicker, .path-dark p { color: var(--inverse-muted); }
.path-dark .kicker { color: #4FB39C; }

.path-light {
  background: var(--brand-soft);
  color: var(--ink);
  border: 1px solid #D3E6DF;
}

.path-light p { color: var(--ink-soft); }
.path-light .kicker { color: var(--brand); }

/* ---------- 卡片组（原则 / 适配边界） ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.cards article,
.cards li {
  position: relative;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}

.cards article:hover,
.cards li:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.section-soft .cards article,
.section-soft .cards li { border-color: transparent; box-shadow: none; }
.section-soft .cards article:hover,
.section-soft .cards li:hover { box-shadow: var(--shadow-md); background: #fff; }

.cards h3 {
  margin: 12px 0 9px;
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.cards p {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.8;
}

.index-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.05em;
  color: var(--brand);
  background: var(--brand-soft);
  font-variant-numeric: tabular-nums;
}

.cards .index-no { margin-bottom: 2px; }

/* ---------- 步骤（委托流程） ---------- */

.step-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.step .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 750;
  margin-bottom: 16px;
}

.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 7px; }
.step p { color: var(--ink-soft); font-size: 14px; line-height: 1.75; }

/* ---------- 界面示意图 ---------- */

.shot-frame {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  padding: 14px;
  box-shadow: var(--shadow-lg);
}

.shot-frame img { width: 100%; height: auto; border-radius: 10px; }

.shot-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

/* ---------- 表格排版（公司页 sheet） ---------- */

.sheet > div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 22px 48px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.sheet > div:last-child { border-bottom: 1px solid var(--line); }

.sheet h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.sheet p + p { margin-top: 12px; }

.sheet p, .stack p, details p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 分栏 ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 52px;
  align-items: start;
}

.split h2 {
  margin-bottom: 16px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.gap-top { margin-top: 36px; }

/* ---------- 纵列清单 ---------- */

.stack li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.stack li:last-child { border-bottom: 1px solid var(--line); }

.stack h3 { margin-bottom: 6px; font-size: 16px; font-weight: 700; }

.stack .index-no { margin-right: 8px; }

/* ---------- 筛选 ---------- */

.filters {
  display: flex;
  gap: 8px;
  margin: 8px 0 24px;
}

.filters button {
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  transition: all .15s ease;
}

.filters button:hover { border-color: var(--ink); color: var(--ink); }

.filters button[aria-pressed="true"] {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.catalog-note {
  margin-top: 22px;
  max-width: 44rem;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 规格表 ---------- */

.spec { margin: 0 0 28px; }

.spec div {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.spec dt { color: var(--muted); font-size: 13.5px; font-weight: 600; }
.spec dd { margin: 0; font-size: 15px; line-height: 1.65; }

/* ---------- 版本清单 ---------- */

.release-list { display: grid; }

.release-file {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
}

.release-file code {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* ---------- 面板 ---------- */

.panel {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.panel h2 { margin-bottom: 10px; }

/* ---------- 折叠问答 ---------- */

details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }

details summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 17px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  transition: color .15s ease;
}

details summary:hover { color: var(--brand); }

details summary::-webkit-details-marker { display: none; }

details summary::after {
  content: "+";
  color: var(--brand);
  font-weight: 500;
  font-size: 19px;
  flex: none;
}

details[open] summary::after { content: "–"; }
details p { padding-bottom: 18px; }

/* ---------- 表单 ---------- */

form[data-form] { margin-top: 4px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field { display: grid; gap: 7px; align-content: start; }
.field-span { grid-column: 1 / -1; }

.field > label,
.check label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.req { color: var(--danger); }

input,
textarea,
select {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: #FDFDFB;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

textarea { min-height: 140px; resize: vertical; line-height: 1.65; }

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(14, 110, 92, 0.14);
}

::placeholder { color: #9A9DA5; }

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.check input {
  width: 17px;
  height: 17px;
  min-height: 0;
  margin-top: 3px;
  accent-color: var(--brand);
  flex: none;
}

.field.is-invalid input,
.field.is-invalid textarea,
.field.is-invalid select { border-color: var(--danger); }

.field-error { color: var(--danger); font-size: 13px; }

.form-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.form-note a { color: inherit; }

.form-success h2 {
  margin: 10px 0 12px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ref {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--brand);
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- 支持横幅 ---------- */

.support-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px;
  align-items: center;
}

.support-band .block-copy { margin-top: 10px; }

.icon-tile { border-radius: 12px; }

/* ---------- 页脚 ---------- */

.site-footer {
  margin-top: auto;
  padding: 60px 0 26px;
  background: var(--inverse);
  color: var(--inverse-text);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.7fr 0.9fr;
  gap: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 14px;
  font-size: 20px;
  font-weight: 700;
}

.footer-brand .logo-mark { width: 32px; height: 32px; border-radius: 8px; }

.site-footer p,
.site-footer a {
  display: block;
  color: var(--inverse-muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 2;
}

.site-footer a:hover { color: #fff; }

.footer-label {
  margin-bottom: 10px;
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-end {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-end p { font-size: 12.5px; }

.site-footer .footer-end a {
  display: inline;
  margin-left: 16px;
  font-size: 12.5px;
}

/* ---------- 滚动浮现（渐进增强：仅 JS 可用时才隐藏待入场元素） ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}

html.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .hero .display, .hero .lede, .hero .actions, .hero .kicker { animation: none; }
  .btn:hover, .product-card:hover, .cards article:hover, .cards li:hover, .path:hover { transform: none; }
}

/* ---------- 中文标点微调 ---------- */

html[lang="zh-CN"] :is(.display, .page-hero h1, .metrics strong, .section-head h2, .block-title, .path h2, .sheet h2, .split h2, .cards h3, .work h3, .form-success h2) {
  letter-spacing: 0;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1020px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-graphic { max-width: 520px; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .step-list { grid-template-columns: 1fr 1fr; }
  .shot-band { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --wrap: calc(100% - 40px); }

  .site-header { padding-inline: 20px; }
  .nav-toggle { display: inline-flex; align-items: center; }

  .header-panel {
    position: fixed;
    inset: var(--header) 0 0 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    padding: 24px 20px 40px;
    background: var(--bg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .18s ease;
  }

  body.nav-open .header-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  body.nav-open { overflow: hidden; }

  .nav { flex-direction: column; gap: 4px; }
  .nav a { font-size: 27px; font-weight: 700; padding: 9px 0; border-radius: 0; }
  .nav a::after { display: none; }
  .nav a[aria-current="page"] { background: transparent; color: var(--brand); }
  .header-tools { justify-content: space-between; }

  .hero { padding-top: 44px; }
  .page-hero { padding-top: 44px; }
  .display, .page-hero h1 { font-size: 38px; }

  .metrics,
  .cards,
  .cards-grid,
  .paths,
  .sheet > div,
  .split,
  .footer-grid,
  .form-grid,
  .section-head { grid-template-columns: 1fr; display: grid; }
  .section-head { display: grid; gap: 12px; }
  .metrics div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .work a { grid-template-columns: 48px minmax(0, 1fr); }
  .work-meta { grid-column: 2; white-space: normal; }
  .work h3 { font-size: 21px; }
  .path { min-height: 0; }
  .field-span { grid-column: auto; }
  .spec div { grid-template-columns: 1fr; gap: 4px; }
  .step-list { grid-template-columns: 1fr; }
  .support-band { grid-template-columns: 1fr; }
  .footer-end { flex-direction: column; align-items: flex-start; }
}