/* 格点科技官网样式 v2。
 * 设计语言参照用户指定的参考站：白底与浅灰分段、深松绿深色区块、靛蓝只用于行动按钮、中等字重大标题。
 * 颜色含义：三种主线色只表示三条主线（工期透明 / 责任到人 / 质量闭环），全页一致；完成状态用绿，当前节点用行动蓝；其余卡片用中性色。
 * 不引外部字体（境内访问 Google Fonts 不稳定），思源黑体 → 苹方 → 微软雅黑依次回退。
 * 版式：居中首屏 + 三行总览面板；之后各段左标题右说明。弱文字与深底文字均按 WCAG AA（4.5:1）取值。 */
:root {
  color-scheme: light;
  /* 中性色带一点绿偏，与深松绿呼应 */
  --ink: #181c1a;
  --ink-2: #4c5450;
  --ink-3: #666d69;   /* 小字标签：白底 5.3:1、浅灰 4.9:1 */
  --line: #e5e6e2;
  --line-2: #d6d9d4;
  --bg: #ffffff;
  --band: #f5f5f3;
  --ice: #e0eaf3;
  /* 深色区块 */
  --shell: #13271f;
  --shell-2: #1c3529;
  --shell-line: rgba(255, 255, 255, .1);
  --shell-ink: #e4ebe6;
  --shell-ink-2: #a6b2ab;
  /* 行动色：只给按钮、强调词和当前节点 */
  --cta: #2e6be6;
  --cta-deep: #1f4fb8;
  --cta-soft: #eaf1fd;
  --cta-on-dark: #7fb0ff; /* 深松绿底上的链接：7.1:1 */
  /* 主线色：只表示三条主线，低饱和；瓦蓝与行动蓝色相相差约 29°，避免看成按钮 */
  --c-time: #2f6f8f;    /* 工期透明 · 瓦蓝 */
  --c-duty: #9e6c25;    /* 责任到人 · 赭 */
  --c-quality: #2e8279; /* 质量闭环 · 松青 */
  --ok: #2e9e6b;
  --warn: #e08a2e;
  --warn-ink: #a35a12; /* 白底小字用的赭橙：5.2:1 */

  --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-num: "DIN Alternate", "SF Pro Display", "Helvetica Neue", "Roboto", var(--font);

  --t-display: clamp(34px, 5.2vw, 64px);
  --t-h2: clamp(28px, 3.4vw, 44px);
  --t-h3: 22px;
  --t-lede: 18px;
  --t-body: 16px;
  --t-small: 14px;
  --t-eyebrow: 12px;

  --r-2: 8px;
  --r-3: 12px;
  --r-4: 16px;
  --r-pill: 999px;
  --wrap: 1280px;
  --pad: clamp(16px, 4.4vw, 48px);
  --nav-h: 76px;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --d-fast: .18s;
  --d-base: .32s;
  --d-slow: .6s;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--t-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
h1, h2, h3 { font-weight: 500; text-wrap: balance; }
:focus-visible { outline: 2px solid var(--cta); outline-offset: 3px; border-radius: 4px; }

.wrap {
  width: 100%; max-width: var(--wrap); margin: 0 auto;
  padding-left: max(var(--pad), env(safe-area-inset-left, 0px));
  padding-right: max(var(--pad), env(safe-area-inset-right, 0px));
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--t-eyebrow); letter-spacing: .08em; color: var(--ink-2);
}
.eyebrow::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cta); }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

/* ---------- 按钮：悬停时箭头飞出、新箭头补入 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 28px;
  min-height: 48px; padding: 0 20px; border-radius: var(--r-2);
  border: 1px solid transparent; font-size: 15px; font-weight: 500; white-space: nowrap;
  transition: background-color var(--d-base) var(--ease-out), border-color var(--d-base) var(--ease-out), color var(--d-base);
}
.btn-pri { background: var(--cta); color: #fff; }
.btn-pri:hover { background: var(--cta-deep); }
.btn-sec { background: var(--bg); border-color: var(--line-2); color: var(--ink); }
.btn-sec:hover { border-color: var(--ink); }
.arr { position: relative; width: 16px; height: 16px; overflow: hidden; flex: none; }
.arr svg { position: absolute; inset: 0; width: 16px; height: 16px; transition: transform var(--d-slow) var(--ease-out); }
.arr svg + svg { transform: translate(-20px, 20px); }
.btn:hover .arr svg:first-child, a.card:hover .arr svg:first-child { transform: translate(20px, -20px); }
.btn:hover .arr svg + svg, a.card:hover .arr svg + svg { transform: none; }

.link {
  color: var(--cta); font-size: var(--t-small);
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size var(--d-base) var(--ease-out);
}
.link:hover { background-size: 100% 1px; }

/* ---------- 页头：下滑隐藏、上滑出现 ---------- */
body::before {
  content: ""; position: fixed; inset: 0 0 auto; z-index: 21;
  height: env(safe-area-inset-top, 0px); background: var(--bg);
}
.nav {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(1.5) blur(12px);
  border-bottom: 1px solid transparent;
  transition: transform var(--d-base) var(--ease-out), border-color var(--d-base);
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav.is-hidden { transform: translateY(-100%); }
.nav .wrap { display: flex; align-items: center; gap: 40px; height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 500; letter-spacing: .04em; }
.brand svg { width: 28px; height: 28px; flex: none; }
.nav-links { display: flex; gap: 32px; margin: 0 auto; font-size: var(--t-small); color: var(--ink-2); }
.nav-links a { position: relative; padding: 6px 0; transition: color var(--d-fast); }
.nav-links a:hover { color: var(--ink); }
.nav .btn { min-height: 40px; gap: 16px; padding: 0 16px; font-size: var(--t-small); }

/* ---------- 首屏 ---------- */
.hero { padding: 88px 0 104px; text-align: center; }
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 8px; border: 1px solid var(--line); border-radius: var(--r-pill);
  font-size: var(--t-small); color: var(--ink-2); background: var(--bg);
}
.badge .dot { position: relative; width: 18px; height: 18px; border-radius: 50%; background: var(--cta-soft); display: grid; place-items: center; }
.badge .dot::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cta); }
.badge .dot::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--cta);
  animation: ping 2.4s var(--ease-out) infinite;
}
@keyframes ping { 0% { transform: scale(.6); opacity: .8; } 80%, 100% { transform: scale(1.5); opacity: 0; } }

.hero h1 {
  margin-top: 28px; font-size: var(--t-display); line-height: 1.2; letter-spacing: -.022em;
}
.hero h1 .ln { display: inline-block; animation: rise .9s var(--ease-out) both; }
.hero h1 .ln + .ln { animation-delay: .12s; }
.hero h1 em { font-style: normal; color: var(--cta); }
.hero .lede { margin: 18px auto 0; max-width: 40em; font-size: var(--t-lede); color: var(--ink-2); animation: rise .9s .24s var(--ease-out) both; }
/* 只做位移不做透明：动画没跑（低端机、后台打开、抓图）时内容也可见 */
@keyframes rise { from { transform: translateY(18px); } to { transform: none; } }
.hero .lede-plus { margin: 12px auto 0; max-width: 40em; font-size: var(--t-small); color: var(--ink-2); animation: rise .9s .3s var(--ease-out) both; }
.hero .lede-plus b { color: var(--ink); font-weight: 500; }
.hero .actions { margin-top: 36px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.demo-note { margin-top: 14px; font-size: 13px; color: var(--ink-2); }
.pilot-actions { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.pilot-actions .demo-note { margin-top: 0; }

/* 总览面板：三行，左侧标签列 */
.overview {
  margin-top: 56px; text-align: left; background: var(--bg);
  border: 1px solid var(--line); border-radius: var(--r-4); overflow: hidden;
}
.ov-row { display: grid; grid-template-columns: 200px 1fr; border-top: 1px solid var(--line); }
.ov-row:first-child { border-top: 0; }
.ov-label { padding: 24px; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; gap: 4px; }
.ov-label b { font-weight: 500; font-size: 17px; display: flex; gap: 10px; align-items: baseline; }
.ov-label .no { font-family: var(--font-num); font-size: 12px; color: var(--ink-3); }
.ov-label small { font-size: 13px; color: var(--ink-3); line-height: 1.5; }
.ov-body { padding: 18px 20px; min-width: 0; }
.ov-row.is-band { background: var(--band); }
.ov-row.is-dark { background: var(--shell); border-top-color: var(--shell); }
.ov-row.is-dark .ov-label { border-right-color: var(--shell-line); }
.ov-row.is-dark .ov-label b { color: #fff; }
.ov-row.is-dark .ov-label small, .ov-row.is-dark .ov-label .no { color: var(--shell-ink-2); }

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tile {
  border-radius: var(--r-3); padding: 16px 16px 18px; color: #fff; min-width: 0;
  background: var(--tc); position: relative; overflow: hidden;
}
.tile::after {
  content: ""; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 70%);
}
.tile h3 { font-size: 17px; display: flex; justify-content: space-between; align-items: baseline; }
.tile h3 span { font-size: 12px; opacity: .78; font-weight: 400; }
.tile ul { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.tile li {
  font-size: 13px; line-height: 1; padding: 7px 10px; border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, .42);
}
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; }
.chips .grp { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.chips .grp > b { font-weight: 500; font-size: 15px; display: inline-flex; align-items: center; gap: 8px; margin-right: 6px; }
.chips .grp > b::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-2); }
.chips .grp + .grp { padding-left: 22px; border-left: 1px solid var(--line-2); }
.chip { font-size: 13px; padding: 5px 12px; border-radius: var(--r-pill); background: var(--bg); border: 1px solid var(--line); color: var(--ink-2); }

/* 节点主线 */
.track-scroll { overflow-x: auto; scrollbar-width: thin; }
.track { position: relative; min-width: 880px; padding: 30px 4px 6px; }
.track-line { position: absolute; left: 4%; right: 4%; top: 41px; height: 2px; background: var(--shell-line); border-radius: 2px; }
.track-line i {
  position: absolute; inset: 0; transform-origin: left; transform: scaleX(var(--p, .43));
  background: var(--ok);
  border-radius: 2px; transition: transform 1.6s var(--ease-out);
}
.js .track:not(.in) .track-line i { transform: scaleX(0); }
.track ol { position: relative; display: grid; grid-template-columns: repeat(12, 1fr); }
.track li { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; font-size: 12px; color: var(--shell-ink-2); line-height: 1.35; }
.track .pt { width: 12px; height: 12px; border-radius: 50%; background: var(--shell); border: 2px solid var(--shell-ink-2); position: relative; }
.track li.done .pt { background: var(--ok); border-color: var(--ok); }
.track li.done { color: var(--shell-ink); }
.track li.ms .pt { width: 14px; height: 14px; border-radius: 3px; transform: rotate(45deg); }
.track li.proc .pt { border-style: dashed; }
.track li.now { color: #fff; font-weight: 500; }
.track li.now .pt { background: var(--cta); border-color: var(--cta); }
.track li.now .pt::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--cta);
  animation: ping 2s var(--ease-out) infinite;
}
.track-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 14px; font-size: 12px; color: var(--shell-ink-2); }
.track-legend span { display: inline-flex; align-items: center; gap: 6px; }
.track-legend i { width: 9px; height: 9px; border-radius: 50%; border: 2px solid var(--shell-ink-2); }
.track-legend .l-ms i { border-radius: 2px; transform: rotate(45deg); }
.track-legend .l-proc i { border-style: dashed; }
.track-legend .l-now i { border-color: var(--cta); background: var(--cta); }
.track-legend .l-done i { border-color: var(--ok); background: var(--ok); }

/* ---------- 通用分段 ---------- */
.sec { padding: 112px 0; }
.sec.is-band { background: var(--band); }
.sec.is-dark { background: var(--shell); color: var(--shell-ink); }
.sec.is-ice { background: var(--ice); }
.sec-head { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px 64px; align-items: end; }
.sec-head h2 { margin-top: 14px; font-size: var(--t-h2); line-height: 1.25; letter-spacing: -.02em; }
.sec-head .aside { color: var(--ink-2); font-size: var(--t-small); max-width: 30em; display: grid; gap: 10px; }
.sec-head .aside b { color: var(--ink); font-weight: 500; }
.sec.is-dark .sec-head h2 { color: #fff; }
.sec.is-dark .sec-head .aside, .sec.is-dark .eyebrow { color: var(--shell-ink-2); }
.sec.is-dark .sec-head .aside b { color: var(--shell-ink); }

/* 卡片：顶边阶段色，悬停描边加深并上浮 */
.card {
  position: relative; display: flex; flex-direction: column; gap: 16px; min-width: 0;
  padding: 28px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-4);
  transition: transform var(--d-base) var(--ease-out), border-color var(--d-base) var(--ease-out);
}
.card::before {
  content: ""; position: absolute; left: 28px; right: 28px; top: -1px; height: 3px; border-radius: 0 0 3px 3px;
  background: var(--tc, var(--line-2)); transform-origin: left;
  transition: transform 1s var(--ease-out);
}
.card:hover { border-color: var(--ink); transform: translateY(-4px); }
.grid-3 { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* 老板的难处：一句老板常听到的话 + 痛点 + 老板付出的代价 */
.pain { gap: 12px; --tc: var(--warn); }
.pain:hover h3 { color: var(--warn-ink); }
.pain h3 { transition: color var(--d-base); }
.pain-no { font-size: 13px; color: var(--ink-3); }
.pain h3 { font-size: 20px; line-height: 1.4; color: var(--ink); }
.pain q { font-size: 14px; line-height: 1.6; color: var(--ink-3); quotes: "“" "”"; }
.pain p { color: var(--ink-2); font-size: 15px; }
.pain .cost { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--ink); font-size: 14px; display: grid; gap: 2px; }
.pain .cost b { font-weight: 400; font-size: 12px; color: var(--warn-ink); }

/* 用与不用：三列对照；窄屏改为逐行卡片，每格带列名 */
.cmp { margin-top: 56px; border: 1px solid var(--line); border-radius: var(--r-4); overflow: hidden; background: var(--bg); }
.cmp-head, .cmp-row { display: grid; grid-template-columns: 180px 1fr 1fr; }
.cmp-head { background: var(--band); font-size: var(--t-small); color: var(--ink-2); }
.cmp-head span { padding: 16px 24px; display: grid; gap: 2px; font-weight: 500; color: var(--ink); }
.cmp-head small { font-weight: 400; font-size: 12px; color: var(--ink-3); }
.cmp-head .is-new { color: var(--cta-deep); background: var(--cta-soft); }
.cmp-row { border-top: 1px solid var(--line); transition: background-color var(--d-fast); }
.cmp-row:hover { background: #fafaf8; }
.cmp-row > b { padding: 20px 24px; font-weight: 500; font-size: 15px; }
.cmp-row > p { padding: 20px 24px 20px 48px; font-size: 15px; position: relative; }
.cmp-row > p::before {
  content: ""; position: absolute; left: 24px; top: 29px; width: 10px; height: 2px; border-radius: 1px; background: var(--ink-3);
}
.cmp-row > p:not(.is-new) { color: var(--ink-3); }
.cmp-row > p.is-new {
  color: var(--ink);
  background: linear-gradient(color-mix(in srgb, var(--cta-soft) 45%, transparent), color-mix(in srgb, var(--cta-soft) 45%, transparent)) 0 0 / 100% 100% no-repeat;
  transition: background-size .9s .15s var(--ease-out);
}
.cmp-row > p.is-new::before {
  top: 25px; width: 11px; height: 6px; background: none; border-radius: 0;
  border: solid var(--ok); border-width: 0 0 2px 2px; transform: rotate(-45deg);
  transition: transform .45s .45s cubic-bezier(.34, 1.56, .64, 1);
}
.cmp-row > p:not(.is-new)::before { transform-origin: left; transition: transform .5s .1s var(--ease-out); }
/* 未进入视口前的起始状态（只在有脚本时生效，内容文字始终可见） */
.js .cmp-row.rv:not(.in) > p.is-new { background-size: 0 100%; }
.js .cmp-row.rv:not(.in) > p.is-new::before { transform: rotate(-45deg) scale(0); }
.js .cmp-row.rv:not(.in) > p:not(.is-new)::before { transform: scaleX(0); }
.cmp-row small { display: block; margin-top: 4px; font-size: 12px; color: var(--ink-3); }
.cmp-k { display: none; }

/* 带来什么：深色区上的卡片 */
.val { background: var(--shell-2); border-color: var(--shell-line); color: var(--shell-ink); gap: 10px; --tc: var(--cta-on-dark); }
.val { transition: transform var(--d-base) var(--ease-out), border-color var(--d-base), background-color var(--d-base); }
.val:hover { border-color: rgba(255, 255, 255, .45); background: #21402f; }
.val-k { font-size: 13px; color: var(--cta-on-dark); }
.val h3 { font-size: 20px; color: #fff; line-height: 1.45; }
.vals .val h3 { font-size: 18px; }
.pains .pain, .vals .val { padding: 24px; }
.pains .pain::before, .vals .val::before { left: 24px; right: 24px; }
.val p { color: var(--shell-ink-2); font-size: 15px; }
.val-foot { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--shell-line); font-size: 15px; color: var(--shell-ink-2); }
.val-foot b { color: var(--shell-ink); font-weight: 500; }

/* 对照表下的界面示意：桌面三列，手机横滑 */
.shots-t { margin-top: 48px; font-size: 13px; color: var(--ink-3); display: flex; justify-content: space-between; gap: 12px; }
.shots-hint { display: none; }
.shots { margin-top: 14px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.shot { margin: 0; display: grid; gap: 12px; align-content: start; min-width: 0; }
.shot .win { transition: transform var(--d-base) var(--ease-out), border-color var(--d-base); }
.shot:hover .win { transform: translateY(-4px); border-color: var(--ink-3); }
.shot figcaption { font-size: 14px; color: var(--ink-2); display: grid; gap: 2px; }
.shot figcaption b { font-weight: 500; color: var(--ink); font-size: 15px; }
@media (min-width: 861px) { .shot .win-body { min-height: 262px; } }
.cmp-toggle {
  display: block; width: 100%; margin-top: 12px; min-height: 48px; border-radius: var(--r-2);
  border: 1px solid var(--line-2); background: var(--bg); color: var(--cta-deep); font: inherit; font-size: 15px; cursor: pointer;
}
.cmp-toggle[hidden] { display: none; }

/* 深色区上的次按钮 */
.btn-dark { background: transparent; border-color: rgba(255, 255, 255, .32); color: #fff; }
.btn-dark:hover { border-color: #fff; }
.val-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }

/* 边界并入深色“怎么运转” */
.rules-dark { margin-top: 32px; }
.rules-dark .rule { background: var(--shell-2); border-color: var(--shell-line); --tc: rgba(255, 255, 255, .38); }
.rules-dark .rule:hover { border-color: rgba(255, 255, 255, .45); }
.rules-dark .rule .ic { color: var(--cta-on-dark); background: rgba(127, 176, 255, .12); }
.rules-dark .rule h3 { color: #fff; }
.rules-dark .rule p { color: var(--shell-ink-2); }

/* 窗口示意框（三个点标题栏） */
.win { border: 1px solid var(--line); border-radius: var(--r-3); overflow: hidden; background: var(--band); font-size: 12.5px; line-height: 1.5; }
.win-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--bg); border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: 12px; }
.win-bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); }
.win-bar b { margin-left: 8px; font-weight: 500; color: var(--ink); }
.win-bar em { margin-left: auto; font-style: normal; color: var(--ink-3); font-size: 11px; }
.win-body { padding: 12px; display: grid; gap: 8px; min-height: 196px; align-content: start; }
.w-card { background: var(--bg); border-radius: var(--r-2); padding: 9px 11px; border: 1px solid var(--line); }
.w-k { color: var(--ink-3); font-size: 11px; }
.w-v { font-weight: 500; }
.w-d { color: var(--ink-2); font-size: 11.5px; }
.w-top { background: var(--c-time); color: #fff; border: 0; }
.w-top .w-k { color: rgba(255, 255, 255, .92); }
.w-bar { margin: 8px 0 4px; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, .25); overflow: hidden; }
.w-bar i { display: block; height: 100%; width: 46%; background: #fff; border-radius: 3px; transform-origin: left; transition: transform 1.4s .4s var(--ease-out); }
.js .shot.rv:not(.in) .w-bar i { transform: scaleX(0); }
.shot .w-opts span.on { animation: soft-ring 2.4s var(--ease-out) infinite; }
@keyframes soft-ring { 0% { box-shadow: 0 0 0 0 rgba(46, 107, 230, .35); } 70%, 100% { box-shadow: 0 0 0 6px rgba(46, 107, 230, 0); } }
.w-row { display: flex; justify-content: space-between; gap: 8px; font-size: 11.5px; }
.w-photo { display: flex; gap: 10px; align-items: center; }
.w-photo img { width: 52px; height: 40px; object-fit: cover; border-radius: 6px; flex: none; }
.w-q { font-weight: 500; }
.w-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.w-opts span { padding: 5px 10px; border-radius: var(--r-pill); border: 1px solid var(--line-2); background: var(--bg); color: var(--ink-2); font-size: 12px; }
.w-opts span.on { border-color: var(--cta); color: var(--cta-deep); background: var(--cta-soft); }
.w-note { color: var(--ink-2); font-size: 11.5px; }
.w-steps { display: grid; gap: 0; }
.w-steps li { display: grid; grid-template-columns: 14px 1fr auto; gap: 10px; align-items: center; padding: 7px 0; border-bottom: 1px dashed var(--line-2); }
.w-steps li:last-child { border-bottom: 0; }
.w-steps .d { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); }
.w-steps .on .d { background: var(--cta); box-shadow: 0 0 0 3px var(--cta-soft); animation: soft-ring 2s var(--ease-out) infinite; }
.w-steps .todo .d { background: var(--bg); border: 2px solid var(--line-2); }
.w-steps .t { color: var(--ink-3); font-size: 11px; }
.demo { font-size: 11px; color: var(--ink-3); text-align: right; }

/* 角色卡片 */
.role { padding: 0; overflow: hidden; gap: 0; }
.role::before { z-index: 2; }
.role-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--shell); max-width: 100%; }
.role-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--d-slow) var(--ease-out); }
.role:hover .role-media img { transform: scale(1.03); }
.role-body { padding: 24px 28px 28px; display: grid; gap: 12px; }
.where { justify-self: start; font-size: 12px; color: var(--tc); border: 1px solid currentColor; padding: 1px 8px; border-radius: var(--r-pill); }
.role h3 { font-size: var(--t-h3); }
.role ul { display: grid; gap: 8px; font-size: 15px; color: var(--ink-2); }
.role li { padding-left: 16px; position: relative; }
.role li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 1px; background: var(--ink-3); }
.note-tag {
  position: absolute; left: 12px; top: 12px; z-index: 1;
  padding: 1px 8px; border-radius: 6px; font-size: 12px;
  background: rgba(19, 39, 31, .62); color: #fff;
}
.board { position: absolute; inset: 0; padding: 18px; display: flex; flex-direction: column; gap: 10px; color: var(--shell-ink); font-size: 12px; }
.board-t { display: flex; justify-content: space-between; font-weight: 500; font-size: 13px; color: #fff; }
.board-t span { color: var(--shell-ink-2); font-weight: 400; font-size: 11px; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.kpi { background: var(--shell-2); border-radius: var(--r-2); padding: 8px 10px; }
.kpi b { display: block; font-family: var(--font-num); font-size: 22px; line-height: 1.2; color: #fff; font-weight: 500; }
.kpi span { color: var(--shell-ink-2); font-size: 11px; }
.b-row { display: flex; justify-content: space-between; padding: 6px 10px; border-radius: 6px; background: rgba(255, 255, 255, .04); color: var(--shell-ink-2); }
.b-row em { font-style: normal; color: var(--shell-ink); }

/* ---------- 深色区：流程架构图 ---------- */
.arch { margin-top: 64px; display: grid; grid-template-columns: 1fr 40px 1.5fr 40px 1fr; align-items: center; gap: 0; }
.arch-col h3 { font-size: 13px; color: var(--shell-ink-2); font-weight: 400; margin-bottom: 8px; }
.arch-list li {
  display: flex; align-items: center; gap: 12px; padding: 14px 2px;
  border-bottom: 1px solid var(--shell-line); color: var(--shell-ink); font-size: 15px;
}
.arch-list svg { width: 18px; height: 18px; flex: none; color: var(--shell-ink-2); }
.arch-arrow { display: grid; place-items: center; color: var(--shell-ink-2); }
.arch-arrow svg { width: 22px; height: 22px; }
.arch-core { display: grid; gap: 12px; }
.arch-core h3 { margin-bottom: 0; }
.core-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.core-box { background: #fff; color: var(--ink); border-radius: var(--r-3); padding: 18px 20px; }
.core-box b { display: block; font-weight: 500; color: var(--ink); font-size: 17px; }
.core-box span { display: block; margin-top: 8px; font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.core-base { border: 1px solid var(--shell-line); border-radius: var(--r-3); padding: 14px 20px; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; }
.core-base small { color: var(--shell-ink-2); font-size: 12px; width: 100%; }
.core-base b { color: #fff; font-weight: 500; }
.core-base span { color: var(--shell-ink-2); font-size: 13px; }
.arch-foot {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--shell-line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px;
  font-size: var(--t-small); color: var(--shell-ink-2);
}
.arch-foot b { color: var(--shell-ink); font-weight: 500; }
.arch-foot .link { color: var(--cta-on-dark); }

/* 边界卡片 */
.rule { gap: 12px; }
.rule .ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; color: var(--tc); background: color-mix(in srgb, var(--tc) 10%, transparent); }
.rule .ic svg { width: 20px; height: 20px; }
.rule h3 { font-size: 18px; }
.rule p { color: var(--ink-2); font-size: 14px; }

/* ---------- 试点招募（浅蓝区） ---------- */
.cta-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.cta-wrap h2 { margin-top: 14px; font-size: var(--t-h2); line-height: 1.25; letter-spacing: -.02em; }
.cta-wrap .lede { margin-top: 16px; color: var(--ink-2); max-width: 32em; }
.fit { margin-top: 24px; display: grid; gap: 8px; font-size: 15px; }
.fit li { display: flex; gap: 10px; }
.fit li::before { content: ""; flex: none; width: 5px; height: 5px; margin-top: .75em; border-radius: 50%; background: var(--cta); }
.contact { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
.contact dl { margin: 0; display: grid; gap: 4px; font-size: var(--t-small); }
.contact dt { color: var(--ink-2); font-size: 13px; }
.contact dd { margin: 0; font-weight: 500; font-size: 17px; }
.contact dd a { color: var(--cta-deep); }
.contact dd a:hover { text-decoration: underline; text-underline-offset: .2em; }
.contact-tip { margin: 0; font-size: 13px; color: var(--ink-2); }
.todo-fill { color: #a8400f; }

/* 试点区：收费与上手说明 */
.terms { margin: 28px 0 0; display: grid; gap: 12px; max-width: 34em; font-size: 15px; }
.terms div { display: grid; grid-template-columns: 3em 1fr; gap: 12px; padding-top: 12px; border-top: 1px solid color-mix(in srgb, var(--cta) 18%, transparent); }
.terms dt { font-weight: 500; }
.terms dd { margin: 0; color: var(--ink-2); }

/* 试点咨询表单 */
.lead {
  display: grid; gap: 14px; padding: 32px; background: var(--bg);
  border: 1px solid var(--line); border-radius: var(--r-4);
  box-shadow: 0 24px 60px -36px rgba(19, 39, 31, .45);
}
.lead h3 { font-size: 20px; }
.lead-tip { margin: -6px 0 4px; font-size: 13px; color: var(--ink-2); }
.f { display: grid; gap: 6px; font-size: 14px; }
.f > span { color: var(--ink-2); }
.f em { margin-left: 6px; font-style: normal; font-size: 12px; color: var(--cta-deep); }
.f input, .f select, .f textarea {
  width: 100%; min-height: 44px; padding: 10px 12px; font: inherit; font-size: 16px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-2);
  transition: border-color var(--d-fast), box-shadow var(--d-fast);
}
.f textarea { resize: vertical; min-height: 72px; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--cta); box-shadow: 0 0 0 3px var(--cta-soft); }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.consent input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--cta); }
.consent a, .lead-alt a { color: var(--cta-deep); }
.lead .btn { justify-self: start; border: 0; cursor: pointer; font: inherit; }
.lead .btn:disabled { opacity: .6; cursor: progress; }
.lead-msg { margin: 0; min-height: 1.4em; font-size: 14px; }
.lead-msg.is-ok { color: var(--cta-deep); }
.lead-msg.is-err { color: #b42318; }
.lead-alt { margin: 0; font-size: 13px; color: var(--ink-2); }
/* 提交成功后收起输入项，只留结果和邮箱 */
.lead.is-done .f, .lead.is-done .f-row, .lead.is-done .consent, .lead.is-done .btn, .lead.is-done .lead-tip { display: none; }
.lead.is-done .lead-msg { font-size: 16px; font-weight: 500; }

/* 关于我们 */
.about-grid { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-card { --tc: var(--cta); }
.about-no { font-family: var(--font-num, inherit); font-size: 13px; color: var(--cta); letter-spacing: .08em; }
.about-card h3 { font-size: 20px; }
.about-card p { color: var(--ink-2); }
.about-foot { margin-top: 28px; color: var(--ink-2); font-size: var(--t-small); }

/* ---------- 页脚 ---------- */
.foot { background: var(--shell); color: var(--shell-ink-2); padding: 72px 0 32px; font-size: var(--t-small); }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1.4fr; gap: 40px; padding-bottom: 48px; }
.foot .brand { color: #fff; }
.foot-top p { margin-top: 14px; max-width: 22em; }
.foot h4 { margin: 0 0 14px; color: #fff; font-weight: 500; font-size: var(--t-small); }
.foot ul { display: grid; gap: 10px; }
.foot a { transition: color var(--d-fast); }
.foot a:hover { color: #fff; }
.foot .facts li { display: grid; grid-template-columns: 5em 1fr; gap: 12px; }
.foot .todo-fill { color: #f0b98a; }
.foot-bottom { padding-top: 24px; border-top: 1px solid var(--shell-line); display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 12.5px; }
.foot-bottom .note { width: 100%; color: #96a69d; font-size: 12px; }

/* ---------- 滚动浮现：只做位移，不隐藏内容 ---------- */
.js .rv { transform: translateY(28px); transition: transform 1s var(--ease-out); }
.js .rv.in { transform: none; }
.js .rv.card::before, .js .card.rv::before { transform: scaleX(0); }
.js .rv.in.card::before { transform: scaleX(1); transition-delay: .2s; }
.js .rv.d1 { transition-delay: .08s; } .js .rv.d2 { transition-delay: .16s; } .js .rv.d3 { transition-delay: .24s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-links { gap: 22px; }
  .ov-row { grid-template-columns: 1fr; }
  .ov-label { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 20px; flex-direction: row; align-items: baseline; justify-content: flex-start; gap: 12px; flex-wrap: wrap; }
  .ov-row.is-dark .ov-label { border-bottom-color: var(--shell-line); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .arch { grid-template-columns: 1fr; gap: 8px; }
  .arch-arrow { transform: rotate(90deg); padding: 6px 0; }
}
@media (max-width: 860px) {
  /* 手机上导航改为页头第二行，可横滑；页头上滑时出现，长页面也能跳段 */
  :root { --nav-h: 104px; }
  .nav .wrap { height: auto; flex-wrap: wrap; gap: 4px 16px; padding-top: 12px; }
  .nav .btn { margin-left: auto; }
  .nav-links {
    order: 3; flex: 1 0 100%; margin: 0; gap: 22px; overflow-x: auto; white-space: nowrap;
    scrollbar-width: none; padding: 6px 0 4px;
    -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent);
            mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent);
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { padding: 8px 0; }
  .cmp.is-collapsed .cmp-row:nth-child(n+6) { display: none; }
  .shots-hint { display: inline; }
  .shots {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 84%;
    overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: 4px;
  }
  .shots::-webkit-scrollbar { display: none; }
  .shot { scroll-snap-align: start; }
  .sec { padding: 80px 0; }
  .sec-head, .cta-wrap { grid-template-columns: 1fr; }
  .tiles, .grid-3 { grid-template-columns: 1fr; }
  .cmp-head { display: none; }
  .cmp-row { grid-template-columns: 1fr; padding: 4px 0 8px; }
  .cmp-row:first-of-type { border-top: 0; }
  .cmp-row > b { padding: 16px 20px 4px; font-size: 16px; }
  .cmp-row > p { padding: 10px 20px 10px 44px; }
  .cmp-row > p::before { left: 20px; top: 41px; }
  .cmp-row > p.is-new { margin: 4px 12px 0; border-radius: var(--r-2); padding-left: 32px; }
  .cmp-row > p.is-new::before { left: 12px; top: 37px; }
  .cmp-k { display: block; font-size: 12px; color: var(--ink-3); margin-bottom: 2px; }
  .is-new .cmp-k { color: var(--cta-deep); }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-top > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  :root { --nav-h: 64px; }
  .hero { padding: 40px 0 56px; }
  .hero .actions .btn { flex: 1 1 100%; }
  .grid-4 { grid-template-columns: 1fr; }
  .core-pair { grid-template-columns: 1fr; }
  .chips .grp + .grp { padding-left: 0; border-left: 0; }
  .foot-top { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .card::before { left: 24px; right: 24px; }
  .role { padding: 0; }
  :root { --nav-h: 96px; }
  /* 痛点卡在手机上只留标题、引语和代价，详细说明在桌面端看 */
  .pains .pain { gap: 8px; padding: 20px; }
  .pains .pain::before { left: 20px; right: 20px; }
  .pain > p:not(.cost) { display: none; }
  .pain h3 { font-size: 18px; }
  .pain .cost { padding-top: 10px; }
  .pains, .vals { gap: 12px; margin-top: 40px; }
  .rules-dark { gap: 12px; }
  .rules-dark .rule { padding: 18px 20px; gap: 6px; }
  .rules-dark .rule::before { left: 20px; right: 20px; }
  .rules-dark .rule .ic { display: none; }
  .vals .val { padding: 20px; gap: 6px; }
  .vals .val::before { left: 20px; right: 20px; }
  .about-grid, .f-row { grid-template-columns: 1fr; }
  .about-grid { margin-top: 32px; gap: 12px; }
  .lead { padding: 22px 20px; }
  .lead .btn { justify-self: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, ::before, ::after { animation: none !important; transition-duration: 0s !important; transition-delay: 0s !important; }
  .js .rv { transform: none; }
  .js .rv.card::before { transform: none; }
}


/* 手机：标题按屏宽缩放保证每行不折；节点主线给出滑动提示；页脚链接加大点按区域 */
.track-hint { display: none; }
/* 标题按分句换行，不在词中间折断 */
.nb { display: inline-block; }
.foot .brand svg { border-radius: 7px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .22); }
@media (max-width: 560px) {
  .hero h1 { font-size: min(40px, calc((100vw - 32px) / 12.6)); }
  .track-scroll {
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 28px), transparent);
            mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 28px), transparent);
  }
  .track { min-width: 760px; }
  .track-hint { display: block; margin-top: 10px; font-size: 12px; color: var(--shell-ink-2); }
  .foot ul { gap: 2px; }
  .foot ul a, .arch-foot .link { display: inline-block; padding: 10px 0; }
  .foot-bottom { flex-direction: column; gap: 0; }
  .foot-bottom > a, .foot-bottom > span { padding: 8px 0; }
  .foot-bottom .note { margin-top: 8px; }
  .win { font-size: 13px; }
  .w-k, .w-d, .w-row, .w-steps .t, .win-bar em { font-size: 12px; }
}