/* =========================================================
   奋启云 · 企业官网
   原创设计系统 —— 不得与其他站点源码混用
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --ink: #0a0e1a;
  --ink-2: #1e293b;
  --ink-3: #475569;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --line: #e8ebf1;
  --line-strong: #dbe0ea;
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --bg-tint: #f2f6ff;
  --brand: #146ef5;
  --brand-600: #0f5cd6;
  --brand-700: #0b46a8;
  --brand-soft: #eaf1ff;
  --cyan: #35c7f0;
  --mint: #2fd6a8;
  --violet: #8b7cf6;
  --amber: #f5a524;
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-xl: 34px;
  --shadow-sm: 0 1px 2px rgba(10, 14, 26, .05), 0 4px 14px rgba(10, 14, 26, .04);
  --shadow: 0 2px 6px rgba(10, 14, 26, .05), 0 18px 44px -12px rgba(10, 14, 26, .12);
  --shadow-lg: 0 40px 90px -30px rgba(10, 14, 26, .28);
  --max: 1180px;
  --nav-h: 68px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei",
    ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 18px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
::selection { background: rgba(20, 110, 245, .16); }

/* ---------- 3. Layout ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(64px, 8vw, 116px) 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%); }
.section--tight { padding: clamp(48px, 5vw, 72px) 0; }
.section--dark { background: var(--ink); color: #cbd5e1; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark .lead { color: #94a3b8; }

.grid { display: grid; gap: 20px; }
/* 防止长内容（标签栏、长链接、长英文词）把网格子项撑破手机屏 */
.grid > *, .split > * { min-width: 0; }
.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)); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }

/* ---------- 4. Type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--brand);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 0 4px rgba(20, 110, 245, .14);
}
.section--dark .eyebrow { color: #7cb0ff; }
.section--dark .eyebrow::before { background: #7cb0ff; box-shadow: 0 0 0 4px rgba(124, 176, 255, .18); }

.display {
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.1;
  letter-spacing: -.035em;
  font-weight: 800;
}
.h2 { font-size: clamp(27px, 3.5vw, 42px); line-height: 1.18; letter-spacing: -.03em; font-weight: 800; }
.h3 { font-size: clamp(20px, 2.2vw, 25px); line-height: 1.35; }
.h4 { font-size: 17.5px; line-height: 1.45; }
.lead { font-size: clamp(15.5px, 1.5vw, 18px); line-height: 1.78; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.mono { font-family: var(--mono); font-size: .92em; }
.grad {
  background: linear-gradient(96deg, #146ef5 0%, #0f8ede 46%, #0f9d76 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.section-head { max-width: 760px; }
.section-head--center { margin: 0 auto; text-align: center; }
.section-head .lead { margin-top: 16px; }
.section-head + .grid, .section-head + .split, .section-head + .spec-wrap { margin-top: clamp(36px, 4.4vw, 56px); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: -.01em;
  transition: transform .22s cubic-bezier(.2, .8, .3, 1), box-shadow .22s, background .22s, color .22s, border-color .22s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: var(--brand); color: #fff;
  box-shadow: 0 10px 26px -10px rgba(20, 110, 245, .75);
}
.btn--primary:hover { background: var(--brand-600); box-shadow: 0 14px 32px -10px rgba(20, 110, 245, .8); }
.btn--ghost { background: #fff; color: var(--ink); border: 1px solid var(--line-strong); }
.btn--ghost:hover { border-color: #b9c4d6; box-shadow: var(--shadow-sm); }
.btn--light { background: #fff; color: var(--ink); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--outline-light { border: 1px solid rgba(255, 255, 255, .28); color: #fff; }
.btn--outline-light:hover { background: rgba(255, 255, 255, .1); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 14.5px; color: var(--brand);
}
.link-arrow svg { transition: transform .22s; }
.link-arrow:hover svg { transform: translateX(3px); }
.section--dark .link-arrow { color: #7cb0ff; }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -18px rgba(10, 14, 26, .5);
  background: rgba(255, 255, 255, .9);
}
.nav {
  height: var(--nav-h);
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: linear-gradient(145deg, #146ef5, #0b1f45);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 17px;
  letter-spacing: -.04em; box-shadow: 0 6px 16px -8px rgba(20, 110, 245, .9);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.brand-sub { font-size: 9.5px; letter-spacing: .18em; color: var(--muted-2); text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.nav-link {
  position: relative; padding: 9px 12px; border-radius: 9px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-3);
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--ink); background: rgba(15, 23, 42, .045); }
.nav-link.is-active { color: var(--ink); font-weight: 700; }
.nav-link.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-login { font-size: 14px; font-weight: 500; color: var(--ink-3); padding: 8px 10px; }
.nav-login:hover { color: var(--brand); }
.nav-cta { height: 40px; padding: 0 18px; font-size: 14px; }

.qr-pop { position: relative; }
.qr-card {
  position: absolute; top: calc(100% + 14px); right: 0; width: 208px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 14px; box-shadow: var(--shadow); text-align: center;
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(.97);
  transition: .22s cubic-bezier(.2, .8, .3, 1); transform-origin: top right;
}
.qr-pop:hover .qr-card, .qr-pop:focus-within .qr-card { opacity: 1; visibility: visible; transform: none; }
.qr-img {
  width: 100%; aspect-ratio: 1; border-radius: 10px;
  background:
    repeating-linear-gradient(0deg, #0a0e1a 0 6px, transparent 6px 12px),
    repeating-linear-gradient(90deg, #0a0e1a 0 6px, transparent 6px 12px),
    #fff;
  background-blend-mode: multiply;
  opacity: .82;
}
.qr-title { font-size: 13px; font-weight: 700; color: var(--ink); margin-top: 10px; }
.qr-note { font-size: 11.5px; color: var(--muted); }

.burger {
  display: none; width: 42px; height: 42px; border-radius: 11px;
  border: 1px solid var(--line-strong); background: #fff;
  align-items: center; justify-content: center;
}
.burger span {
  display: block; width: 17px; height: 1.8px; background: var(--ink);
  border-radius: 2px; position: relative; transition: .25s;
}
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 17px; height: 1.8px;
  background: var(--ink); border-radius: 2px; transition: .25s;
}
.burger span::before { top: -5.5px; }
.burger span::after { top: 5.5px; }
body.nav-open .burger span { background: transparent; }
body.nav-open .burger span::before { top: 0; transform: rotate(45deg); }
body.nav-open .burger span::after { top: 0; transform: rotate(-45deg); }

.drawer {
  position: fixed; inset: var(--nav-h) 0 0; z-index: 85;
  background: #fff; padding: 18px 24px 40px;
  display: none; flex-direction: column; gap: 4px;
  overflow-y: auto; border-top: 1px solid var(--line);
}
body.nav-open .drawer { display: flex; }
.drawer a {
  padding: 14px 4px; font-size: 17px; font-weight: 600; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.drawer .drawer-foot { margin-top: 20px; display: grid; gap: 10px; }
body.nav-open { overflow: hidden; }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(56px, 7vw, 96px) 0 clamp(48px, 6vw, 88px);
  background:
    radial-gradient(900px 480px at 78% -8%, rgba(20, 110, 245, .14), transparent 62%),
    radial-gradient(700px 420px at 8% 4%, rgba(53, 199, 240, .13), transparent 60%),
    linear-gradient(180deg, #fbfcff 0%, #ffffff 72%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(10, 14, 26, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 14, 26, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 12%, #000 0%, transparent 68%);
  -webkit-mask-image: radial-gradient(circle at 50% 12%, #000 0%, transparent 68%);
  opacity: .55;
}
.hero > .wrap { position: relative; z-index: 1; }
.hero-copy { max-width: 820px; }
.hero h1 {
  font-size: clamp(36px, 6.2vw, 78px);
  line-height: 1.06; letter-spacing: -.045em; font-weight: 800;
  margin: 0 0 22px;
}
.hero .lead { max-width: 640px; font-size: clamp(15.5px, 1.7vw, 19px); }
.hero .btn-row { margin-top: 32px; }
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 34px;
}
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  height: 32px; padding: 0 13px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  font-size: 12.8px; font-weight: 600; color: var(--ink-3);
  box-shadow: 0 1px 2px rgba(10, 14, 26, .04);
}
.pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.pill--brand { background: var(--brand-soft); border-color: #d6e4ff; color: var(--brand-700); }
.pill--brand i { background: var(--brand); }

/* Hero visual */
.hero-visual { margin-top: clamp(40px, 5vw, 64px); position: relative; }
.stage {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 14px;
  background: linear-gradient(160deg, #eef3fb, #ffffff 55%, #eaf1ff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}
.stage-inner {
  border-radius: 22px; overflow: hidden; background: #fff;
  border: 1px solid var(--line);
}
.mock-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px; background: #fbfcfe; border-bottom: 1px solid var(--line);
}
.mock-dots { display: flex; gap: 6px; }
.mock-dots i { width: 9px; height: 9px; border-radius: 50%; background: #e2e8f0; }
.mock-dots i:first-child { background: #ffd0cd; }
.mock-dots i:nth-child(2) { background: #ffe9c2; }
.mock-dots i:nth-child(3) { background: #cfe9d4; }
.mock-url {
  flex: 1; height: 24px; border-radius: 7px; background: #f1f4f9;
  display: flex; align-items: center; padding: 0 10px;
  font-size: 11.5px; color: var(--muted-2); font-family: var(--mono);
  overflow: hidden; white-space: nowrap;
}
.mock-body { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 300px; }
.mock-main { padding: 26px 26px 24px; border-right: 1px solid var(--line); }
.mock-kicker { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--brand); font-weight: 700; }
.mock-h { font-size: clamp(19px, 2.2vw, 27px); font-weight: 800; letter-spacing: -.03em; color: var(--ink); line-height: 1.22; margin: 10px 0 12px; }
.mock-lines { display: grid; gap: 7px; margin-bottom: 20px; }
.mock-lines i { display: block; height: 8px; border-radius: 4px; background: #eef2f8; }
.mock-lines i:nth-child(1) { width: 92%; }
.mock-lines i:nth-child(2) { width: 76%; }
.mock-lines i:nth-child(3) { width: 54%; }
.mock-btns { display: flex; gap: 8px; }
.mock-btns i { height: 28px; border-radius: 7px; background: var(--brand); width: 86px; }
.mock-btns i + i { background: #eef2f8; width: 74px; }
.mock-side { padding: 20px; display: grid; gap: 10px; align-content: start; background: #fcfdff; }
.mock-tile { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: #fff; }
.mock-tile b { display: block; font-size: 12px; color: var(--ink); }
.mock-tile span { font-size: 11px; color: var(--muted-2); }
.mock-tile--ai { background: linear-gradient(150deg, #f3f8ff, #fff); border-color: #dce8ff; }
.ai-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; color: var(--brand); }
.ai-dot i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); animation: pulse 1.8s infinite; }

.float-card {
  position: absolute; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 13px 15px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 11px; z-index: 2;
}
.float-card b { display: block; font-size: 12.8px; color: var(--ink); line-height: 1.35; }
.float-card span { font-size: 11px; color: var(--muted); }
.float-card--a { left: -28px; bottom: 7%; animation: floaty 7s ease-in-out infinite; }
.float-card--b { right: -26px; bottom: 6%; animation: floaty 8s ease-in-out .8s infinite; }
.float-icon {
  width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); flex: none;
}
.float-icon--mint { background: #e7fbf3; color: #0f9d76; }

@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.8); } }

/* ---------- 8. Marquee / trust strip ---------- */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.strip-inner {
  display: flex; align-items: center; gap: 40px; flex-wrap: wrap;
  padding: 22px 0; justify-content: space-between;
}
.strip-label { font-size: 12.5px; color: var(--muted-2); letter-spacing: .04em; flex: none; }
.strip-logos { display: flex; align-items: center; gap: clamp(20px, 4vw, 52px); flex-wrap: wrap; }
.wordmark {
  font-size: clamp(14px, 1.6vw, 17px); font-weight: 800; color: #8f9bb0;
  letter-spacing: -.02em; display: flex; align-items: center; gap: 7px;
  filter: grayscale(1); transition: .3s;
}
.wordmark:hover { color: var(--ink-3); filter: none; }
.wordmark svg { opacity: .8; }

/* ---------- 9. Cards ---------- */
.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
  transition: transform .3s cubic-bezier(.2, .8, .3, 1), box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #dbe4f2; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.6px; line-height: 1.72; }
.card--soft { background: var(--bg-soft); }
.card--pad-lg { padding: clamp(24px, 3vw, 34px); }

.icon-box {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 18px;
  border: 1px solid #dce8ff;
}
.icon-box--mint { background: #e9fbf4; color: #0f9d76; border-color: #cff3e5; }
.icon-box--violet { background: #f1eeff; color: #6d5ce7; border-color: #e3ddff; }
.icon-box--amber { background: #fff6e6; color: #b57508; border-color: #ffe8c2; }
.icon-box--ink { background: #f1f3f7; color: var(--ink-2); border-color: #e4e8ef; }

.num {
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  color: var(--brand); letter-spacing: .06em;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag {
  font-size: 11.8px; font-weight: 600; color: var(--ink-3);
  background: #f4f6fa; border: 1px solid #eaeef6;
  padding: 4px 9px; border-radius: 6px;
}
.section--dark .tag { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .1); color: #cbd5e1; }

/* ---------- 9.1 Founder ---------- */
.founder {
  display: grid; grid-template-columns: 292px minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px); align-items: start;
}
.founder-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
  position: sticky; top: calc(var(--nav-h) + 24px);
}
.founder-photo {
  position: relative;
  width: 86px; height: 86px; border-radius: 50%; display: grid; place-items: center;
  font-size: 31px; font-weight: 800; color: #fff; letter-spacing: .02em;
  background: linear-gradient(148deg, #3f8dff, #0f4fc4);
  box-shadow: 0 12px 26px -12px rgba(20, 110, 245, .7);
  overflow: hidden;
}
.founder-photo img {
  width: 100%; height: 100%; object-fit: cover;
  -webkit-user-drag: none; -khtml-user-drag: none; user-select: none;
  pointer-events: none; -webkit-touch-callout: none;
}
/* 透明覆盖层：右键与长按都落在这一层上，拿不到「图片另存为 / 存储图像」 */
.founder-photo::after { content: ''; position: absolute; inset: 0; border-radius: inherit; }
.founder-name { margin-top: 16px; font-size: 22px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.founder-role { margin-top: 3px; font-size: 12.6px; font-weight: 600; color: var(--brand); letter-spacing: .04em; }
.founder-org {
  margin-top: 14px; padding-top: 13px; border-top: 1px dashed var(--line-strong);
  font-size: 12.6px; color: var(--ink-3); line-height: 1.65;
}
.founder-facts { display: grid; gap: 9px; margin-top: 13px; }
.founder-facts li {
  position: relative; padding-left: 13px;
  font-size: 12.4px; line-height: 1.65; color: var(--muted);
}
.founder-facts li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--brand); opacity: .5;
}

.founder-body > p { font-size: 14.9px; line-height: 1.92; color: var(--ink-3); }
.founder-body > p + p { margin-top: 15px; }
.founder-sub {
  margin-top: 28px; margin-bottom: 4px;
  font-size: 11.5px; font-weight: 800; letter-spacing: .15em;
  color: var(--brand); text-transform: uppercase;
}
.founder-tags { margin-top: 12px; }
.founder-tags .tag {
  background: var(--brand-soft); border-color: #d8e5ff; color: var(--brand-700);
  font-size: 12px; padding: 5px 10px;
}

.founder-steps { display: grid; gap: 17px; margin-top: 16px; }
.founder-step { position: relative; padding-left: 22px; }
.founder-step::before {
  content: ''; position: absolute; left: 2px; top: 6px; z-index: 1;
  width: 9px; height: 9px; border-radius: 50%;
  background: #fff; border: 2px solid var(--brand);
}
.founder-step::after {
  content: ''; position: absolute; left: 5.5px; top: 20px; bottom: -14px;
  width: 2px; border-radius: 2px; background: rgba(20, 110, 245, .16);
}
.founder-step:last-child::after { display: none; }
.founder-step b {
  display: block; font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: .1em; color: var(--brand); text-transform: uppercase;
}
.founder-step strong { display: block; margin-top: 2px; font-size: 14.8px; font-weight: 700; color: var(--ink); }
.founder-step span { display: block; margin-top: 3px; font-size: 13.2px; line-height: 1.72; color: var(--muted); }

/* ---------- 9.2 Process ---------- */
.flow-card { display: flex; flex-direction: column; }
.flow-top { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.flow-top .num { font-size: 12.5px; }
.flow-step {
  font-family: var(--mono); font-size: 10px; font-weight: 700;
  letter-spacing: .18em; color: var(--muted-2);
}
.flow-card h4 { font-size: 16.5px; }
.flow-card p { font-size: 13.6px; margin-bottom: 18px; }
.flow-out {
  margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line);
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12.4px; line-height: 1.65; color: var(--ink-3);
}
.flow-out b {
  flex: 0 0 auto; font-size: 10.5px; font-weight: 700; letter-spacing: .06em;
  color: var(--brand); background: var(--brand-soft); border: 1px solid #dbe7ff;
  border-radius: 5px; padding: 1px 6px; line-height: 1.7;
}

/* ---------- 10. Tabs ---------- */
.tabbar {
  display: inline-flex; gap: 4px; padding: 5px;
  background: #f1f4f9; border-radius: 999px; border: 1px solid var(--line);
  max-width: 100%; overflow-x: auto; scrollbar-width: none;
  -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain;
}
.tabbar::-webkit-scrollbar { display: none; }
.tabbar button {
  padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--muted); white-space: nowrap; transition: .22s;
}
.tabbar button:hover { color: var(--ink); }
.tabbar button.is-on {
  background: #fff; color: var(--ink); box-shadow: var(--shadow-sm);
}
.tab-panel { display: none; animation: fadeUp .45s cubic-bezier(.2, .8, .3, 1); }
.tab-panel.is-on { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Chat / CLI / GUI demo */
.demo-shell {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow); overflow: hidden;
}
.demo-head {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-bottom: 1px solid var(--line); background: #fcfdff;
}
.demo-head b { font-size: 13px; color: var(--ink); }
.demo-head .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.demo-body { padding: clamp(16px, 2.4vw, 26px); }
.chat-stream { display: grid; gap: 12px; }
.bubble {
  max-width: 82%; padding: 11px 15px; border-radius: 14px;
  font-size: 14px; line-height: 1.65;
}
.bubble--me {
  margin-left: auto; background: var(--brand); color: #fff;
  border-bottom-right-radius: 5px;
}
.bubble--ai {
  background: #f4f6fa; color: var(--ink-2);
  border-bottom-left-radius: 5px;
}
.bubble small { display: block; font-size: 11.5px; opacity: .75; margin-top: 5px; }
.bubble .ok { color: #0f9d76; font-weight: 700; }
.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing i {
  width: 5px; height: 5px; border-radius: 50%; background: var(--muted-2);
  animation: blink 1.3s infinite;
}
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 60%, 100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.term {
  background: #0d1220; border-radius: 14px; padding: 18px;
  font-family: var(--mono); font-size: 13px; line-height: 1.9; color: #d7e0f0;
  overflow-x: auto;
}
.term .c-dim { color: #6b7a96; }
.term .c-blue { color: #6fb1ff; }
.term .c-mint { color: #5eead4; }
.term .c-amber { color: #fcd34d; }
.term-line { white-space: pre; }

.check-list { display: grid; gap: 11px; }
.check-list li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-3); line-height: 1.6; }
.check-list li::before {
  content: ""; flex: none; width: 18px; height: 18px; margin-top: 3px;
  border-radius: 50%; background: var(--brand-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%23146ef5' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.section--dark .check-list li { color: #b6c2d4; }

/* ---------- 11. Compare (traditional vs new) ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col {
  border-radius: var(--radius); border: 1px solid var(--line);
  padding: 24px; background: #fff;
}
.compare-col--old { background: #fafbfd; }
.compare-col--new {
  border-color: #cfe0ff; background: linear-gradient(170deg, #f4f9ff, #fff 70%);
  box-shadow: 0 20px 50px -26px rgba(20, 110, 245, .45);
}
.compare-col h4 { font-size: 14px; letter-spacing: .02em; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.compare-col--old h4 { color: var(--muted); }
.compare-col--new h4 { color: var(--brand); }
.mini-flow { display: grid; gap: 9px; }
.mini-step {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 12px; font-size: 13px; color: var(--ink-3);
}
.mini-step--dim { color: var(--muted-2); background: #f7f8fb; border-style: dashed; }
.mini-step b { font-family: var(--mono); font-size: 10.5px; color: var(--brand); }
.mini-step .x { margin-left: auto; color: #e5888a; font-weight: 700; }
.mini-step .v { margin-left: auto; color: #12a97b; font-weight: 700; }

/* ---------- 12. Steps / process ---------- */
.steps { display: grid; gap: 0; counter-reset: st; }
.step {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: 0; }
.step-n {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line-strong);
  font-family: var(--mono); font-size: 14px; font-weight: 700; color: var(--brand);
}
.step h4 { margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14.4px; }

/* ---------- 13. Timeline ---------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--brand), #dbe7ff 70%, transparent);
  border-radius: 2px;
}
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -26px; top: 7px;
  width: 10px; height: 10px; border-radius: 50%;
  background: #fff; border: 2.5px solid var(--brand);
  box-shadow: 0 0 0 4px #fff;
}
.tl-year { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: .02em; }
.tl-item h4 { margin: 6px 0 8px; font-size: 16.5px; }
.tl-item p { color: var(--muted); font-size: 14px; }
.tl-item .tl-list { display: grid; gap: 6px; }
.tl-item .tl-list li { color: var(--muted); font-size: 14px; padding-left: 14px; position: relative; }
.tl-item .tl-list li::before {
  content: ""; position: absolute; left: 0; top: 10px; width: 4px; height: 4px;
  border-radius: 50%; background: var(--muted-2);
}

/* ---------- 14. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.stat { background: #fff; padding: 26px 22px; }
.stat b { display: block; font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -.04em; color: var(--ink); line-height: 1.1; }
.stat b em { font-style: normal; font-size: .55em; color: var(--brand); margin-left: 2px; }
.stat b span { display: inline; font-size: inherit; color: inherit; margin: 0; }
.stat > span { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; }
.section--dark .stats { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .08); }
.section--dark .stat { background: #0e1526; }
.section--dark .stat b { color: #fff; }
.section--dark .stat > span { color: #94a3b8; }

/* ---------- 14.6 算力节点条 ---------- */
.node-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 24px; padding: 14px 18px;
  border: 1px solid #dbe7fb; border-radius: 12px;
  background: linear-gradient(90deg, #f4f9ff 0%, #fbfdff 100%);
  font-size: 13.6px; color: var(--ink-3); line-height: 1.6;
}
.node-bar > svg { color: var(--brand); flex: none; }
.node-bar__label { color: var(--muted); }
.node-bar__val { color: var(--ink); font-weight: 600; }
.node-bar__meta { margin-left: auto; color: var(--muted-2); font-size: 12.5px; }
@media (max-width: 760px) {
  .node-bar { gap: 8px; padding: 12px 14px; }
  .node-bar__meta { margin-left: 0; width: 100%; }
}

/* ---------- 15. Spec table ---------- */
.spec-wrap { border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; overflow: hidden; box-shadow: var(--shadow-sm); }
.spec-scroll { overflow-x: auto; }
.spec-table { min-width: 780px; font-size: 14px; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid #eef1f6; }
.spec-table thead th {
  position: sticky; top: 0; background: #fafbfd; z-index: 2;
  font-size: 13px; font-weight: 700; color: var(--ink); white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
.spec-table thead th.is-hot { color: var(--brand); }
.spec-table tbody th {
  font-weight: 500; color: var(--ink-3); width: 34%;
  font-size: 13.6px; line-height: 1.6;
}
.spec-table td { color: var(--ink-3); font-size: 13.6px; }
.spec-table tr.group-row th {
  background: #f7f9fc; font-weight: 700; color: var(--ink);
  font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase;
}
.spec-table tr:hover td, .spec-table tr:hover th { background: #fcfdff; }
.spec-table .yes { color: #12a97b; font-weight: 700; }
.spec-table .no { color: #cbd5e1; }
.spec-table tr.is-extra { display: none; }
.spec-wrap.is-open tr.is-extra { display: table-row; }
.spec-foot { padding: 14px 18px; background: #fafbfd; border-top: 1px solid var(--line); display: flex; justify-content: center; }
.spec-toggle {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: var(--brand);
}
.spec-toggle svg { transition: transform .25s; }
.spec-wrap.is-open .spec-toggle svg { transform: rotate(180deg); }

.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plan {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; background: #fff; transition: .3s;
}
.plan:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.plan--hot { border-color: var(--brand); box-shadow: 0 24px 60px -34px rgba(20, 110, 245, .8); }
.plan-badge {
  position: absolute; top: -11px; left: 26px;
  background: var(--brand); color: #fff; font-size: 11.5px; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; letter-spacing: .02em;
}
.plan-name { font-size: 15px; font-weight: 700; color: var(--ink); }
.plan-price { display: flex; align-items: baseline; gap: 3px; margin: 12px 0 4px; }
.plan-price b { font-size: 34px; font-weight: 800; letter-spacing: -.04em; color: var(--ink); }
.plan-price span { font-size: 13px; color: var(--muted); }
.plan-renew { font-size: 12.5px; color: var(--muted-2); margin-bottom: 18px; }
.plan ul { display: grid; gap: 8px; margin: 16px 0 22px; }
.plan li { font-size: 13.6px; color: var(--ink-3); display: flex; gap: 8px; line-height: 1.55; }
.plan li::before { content: "·"; color: var(--brand); font-weight: 800; }

/* mobile spec accordion */
.spec-mobile { display: none; }
.sp-acc { border-bottom: 1px solid var(--line); }
.sp-acc > button {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 15px 4px; font-size: 14px; font-weight: 700; color: var(--ink); text-align: left;
}
.sp-acc > button svg { flex: none; transition: transform .25s; color: var(--muted); }
.sp-acc.is-open > button svg { transform: rotate(180deg); }
.sp-acc-body { display: none; padding: 0 4px 14px; }
.sp-acc.is-open .sp-acc-body { display: block; }
.sp-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 7px 0; font-size: 13px; color: var(--ink-3); border-bottom: 1px dashed #eef1f6; }
.sp-row:last-child { border-bottom: 0; }
.sp-row span:last-child { color: var(--ink); font-weight: 600; text-align: right; }

/* ---------- 16. CTA ---------- */
.cta {
  position: relative; overflow: hidden;
  background: radial-gradient(1000px 500px at 80% 10%, #1b3a7a 0%, transparent 60%),
    radial-gradient(800px 460px at 6% 90%, #0c2b5e 0%, transparent 62%),
    #080d18;
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(38px, 6vw, 76px);
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 80% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 80% 20%, #000, transparent 70%);
}
.cta > * { position: relative; }
.cta h2 { color: #fff; font-size: clamp(27px, 3.8vw, 46px); letter-spacing: -.035em; line-height: 1.14; max-width: 640px; }
.cta p { color: #9fb0c9; margin-top: 16px; max-width: 560px; font-size: 15.5px; }
.cta .btn-row { margin-top: 30px; }
.cta-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 40px; align-items: center; }
.cta-qr { justify-self: end; text-align: center; }
.cta-qr .qr-img { width: 156px; height: 156px; border: 6px solid #fff; border-radius: 14px; background-color: #fff; }
.cta-qr span { display: block; margin-top: 10px; font-size: 12.5px; color: #9fb0c9; }

/* ---------- 19b. 收尾转化通栏（通屏蓝底，居中一句 + 白按钮） ---------- */
.promo {
  background: linear-gradient(104deg, #1b7bff 0%, #146ef5 44%, #0a48a6 100%);
  padding: 56px 0;
}
.promo-inner { display: grid; justify-items: center; gap: 24px; text-align: center; }
.promo-br { display: none; }
.promo h2 {
  color: #fff; font-size: clamp(22px, 2.5vw, 30px); font-weight: 700;
  letter-spacing: -.02em; line-height: 1.35; max-width: 720px;
}
.promo-btn {
  background: #fff; color: var(--brand); font-weight: 700;
  padding: 0 40px; box-shadow: 0 12px 28px -14px rgba(0, 0, 0, .55);
}
.promo-btn:hover { background: #eef4ff; box-shadow: 0 16px 34px -14px rgba(0, 0, 0, .6); }

/* ---------- 17. Footer ---------- */
.site-footer { background: #070b14; color: #8b9ab3; padding: 64px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: #5f6f8a; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; color: #8b9ab3; margin-top: 16px; max-width: 320px; }
.footer-col h5 { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: #5f6f8a; margin: 0 0 14px; font-weight: 700; }
.footer-col a, .footer-col p { display: block; font-size: 14px; color: #a9b6cb; padding: 6px 0; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-offices { list-style: none; margin: 0; padding: 0; }
.footer-offices li { font-size: 13.5px; line-height: 1.65; color: #a9b6cb; padding: 4px 0; }
.footer-offices li b { display: block; font-size: 11.5px; letter-spacing: .06em; color: #6b7a96; font-weight: 700; }
.footer-offices li em { display: block; font-style: normal; font-size: 12.5px; color: #6b7a96; }
.footer-qr { display: flex; align-items: center; gap: 12px; margin-top: 6px; }
.footer-qr .qr-img { width: 74px; height: 74px; border-radius: 8px; border: 4px solid #fff; background-color: #fff; }
.footer-qr span { font-size: 12px; color: #6b7a96; }
.footer-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center;
  font-size: 12.5px; color: #5f6f8a;
}
.footer-bottom a { color: #5f6f8a; }
.footer-bottom a:hover { color: #a9b6cb; }
.footer-bottom .sep { opacity: .4; }

/* ---------- 18. Float assistant ---------- */
.fab-wrap { position: fixed; right: 20px; bottom: 22px; z-index: 95; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.fab {
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(145deg, #1a7bff, #0b46a8);
  color: #fff; display: grid; place-items: center;
  box-shadow: 0 14px 30px -10px rgba(20, 110, 245, .8);
  transition: transform .25s;
}
.fab:hover { transform: scale(1.06); }
.fab-dot {
  position: absolute; top: 2px; right: 2px; width: 11px; height: 11px;
  border-radius: 50%; background: #2fd6a8; border: 2px solid #fff;
}
.fab-panel {
  width: min(360px, calc(100vw - 40px));
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  box-shadow: 0 30px 70px -20px rgba(10, 14, 26, .4);
  overflow: hidden; display: none; flex-direction: column;
}
.fab-panel.is-open { display: flex; animation: fadeUp .3s ease; }
.fab-head { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; background: #fbfcff; }
.fab-head b { font-size: 14px; color: var(--ink); display: block; line-height: 1.3; }
.fab-head span { font-size: 11.5px; color: var(--mint); display: flex; align-items: center; gap: 4px; }
.fab-head span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.fab-close { margin-left: auto; color: var(--muted-2); font-size: 20px; line-height: 1; padding: 4px; }
.fab-body { padding: 16px; max-height: 320px; overflow-y: auto; display: grid; gap: 10px; background: #fff; }
.fab-quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 12px; }
.fab-quick button {
  font-size: 12px; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--ink-3); background: #fff;
}
.fab-quick button:hover { border-color: var(--brand); color: var(--brand); }
.fab-input { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); background: #fbfcff; }
.fab-input input {
  flex: 1; height: 38px; border-radius: 999px; border: 1px solid var(--line-strong);
  padding: 0 14px; font-size: 13.5px; outline: none; font-family: inherit;
}
.fab-input input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(20, 110, 245, .12); }
.fab-send {
  width: 38px; height: 38px; border-radius: 50%; background: var(--brand); color: #fff;
  display: grid; place-items: center; flex: none;
}
.fab-human {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 16px; border-top: 1px dashed var(--line);
}
.fab-human-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 14px; border-radius: 999px;
  background: linear-gradient(96deg, #07c160, #0aa95a); color: #fff;
  font-size: 12.5px; font-weight: 600; border: 0; cursor: pointer;
  box-shadow: 0 4px 12px rgba(7, 193, 96, .28);
}
.fab-human-btn:hover { filter: brightness(1.06); }
.fab-human span { font-size: 11.5px; color: var(--muted-2); }

/* ---------- 18b. 手机端底部咨询条（桌面端不渲染） ---------- */
.mbar { display: none; }
.qr-kf {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  width: 100%; margin-top: 8px; height: 30px; border-radius: 8px;
  border: 1px solid var(--line-strong); background: #fff;
  font-size: 12px; font-weight: 600; color: var(--brand); cursor: pointer;
}
.qr-kf:hover { border-color: var(--brand); background: #f4f8ff; }
img.qr-img { display: block; object-fit: contain; }

/* ---------- 18.5 第三方模板库入口 ---------- */
.tpl-gate {
  margin-top: 32px; border: 1px solid var(--line); border-radius: 20px;
  overflow: hidden; background: #fff; box-shadow: var(--shadow);
}
.tpl-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: #fbfcff; border-bottom: 1px solid var(--line);
}
.tpl-url-chip {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px;
}
.tpl-bar-tag { margin-left: auto; font-size: 12px; color: var(--muted-2); }
.tpl-body {
  display: grid; grid-template-columns: 1.12fr .88fr; gap: 30px;
  align-items: stretch; padding: 30px 32px 32px;
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}
.tpl-badge {
  display: inline-flex; align-items: center; gap: 6px; height: 25px; padding: 0 11px;
  border-radius: 999px; background: var(--brand-soft); color: var(--brand);
  font-size: 12px; font-weight: 600;
}
.tpl-desc { margin-top: 12px; font-size: 14.4px; line-height: 1.75; color: var(--muted); max-width: 470px; }
.tpl-addr {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 18px;
  padding: 7px 8px 7px 12px; border: 1px dashed var(--line-strong);
  border-radius: 11px; background: #fff;
}
.tpl-addr-label { font-size: 11.5px; color: var(--muted-2); }
.tpl-addr code { font-family: var(--mono); font-size: 13px; color: var(--ink); user-select: all; }
.tpl-copy {
  height: 26px; padding: 0 11px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line-strong); background: #fff;
  font-size: 12px; color: var(--ink-3); font-family: inherit;
}
.tpl-copy:hover { border-color: var(--brand); color: var(--brand); }
.tpl-copy.is-done { border-color: var(--mint); color: #109c74; }
.tpl-copy.is-fail { border-color: var(--amber); color: #b06a00; }
.tpl-side {
  border-left: 1px dashed var(--line-strong);
  padding: 4px 0 4px 26px;
  display: flex; flex-direction: column; justify-content: center; gap: 14px;
}
.tpl-side-head {
  margin: 0; font-size: 13px; font-weight: 700; color: var(--ink);
  letter-spacing: .02em;
}
.tpl-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.tpl-steps li { display: flex; gap: 12px; align-items: flex-start; }
.tpl-steps b {
  flex: none; width: 24px; height: 24px; border-radius: 8px;
  display: grid; place-items: center; font-size: 11.5px; font-weight: 700;
  font-family: var(--mono); color: var(--brand); background: var(--brand-soft);
}
.tpl-steps span { font-size: 13.6px; color: var(--ink-3); line-height: 1.6; }
.tpl-side-foot {
  margin: 0; padding-top: 12px; border-top: 1px dashed var(--line);
  font-size: 12px; color: var(--muted-2);
}
.tpl-note { font-size: 12.5px; color: var(--muted-2); margin-top: 14px; line-height: 1.7; }
@media (max-width: 860px) {
  .tpl-body { grid-template-columns: 1fr; gap: 22px; padding: 22px; }
  .tpl-bar-tag { display: none; }
  .tpl-desc { max-width: none; }
  .tpl-side { border-left: 0; border-top: 1px dashed var(--line-strong); padding: 20px 0 0; }
}

/* ---------- 19. Reveal ---------- */
/* 无 JS 时内容默认可见；有 JS 时才做入场动画 */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2, .8, .3, 1), transform .7s cubic-bezier(.2, .8, .3, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .float-card { animation: none; }
}

/* ---------- 20. Page hero (inner) ---------- */
.page-hero {
  position: relative; overflow: hidden;
  padding: clamp(52px, 6vw, 88px) 0 clamp(36px, 4vw, 56px);
  background: radial-gradient(760px 420px at 82% 0%, rgba(20, 110, 245, .12), transparent 64%), linear-gradient(180deg, #fbfcff, #fff);
  border-bottom: 1px solid var(--line);
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(10, 14, 26, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(10, 14, 26, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 70% 0%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 70% 0%, #000, transparent 70%);
}
.page-hero > .wrap { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(30px, 4.6vw, 56px); line-height: 1.1; letter-spacing: -.04em; font-weight: 800; margin-bottom: 18px; max-width: 900px; }
.page-hero .lead { max-width: 720px; }
.crumb { font-size: 12.5px; color: var(--muted-2); margin-bottom: 18px; display: flex; gap: 8px; align-items: center; }
.crumb a:hover { color: var(--brand); }

/* ---------- 20b. 404 ---------- */
.nf { min-height: 64vh; display: grid; place-content: center; text-align: center; }
.nf-crumb { justify-content: center; }
.nf-code {
  font-size: clamp(64px, 11vw, 112px); font-weight: 800; line-height: 1;
  letter-spacing: -.05em; color: var(--brand); opacity: .16; margin-bottom: 6px;
}
.nf h1 { margin: 0 auto 14px; }
.nf .lead { margin: 0 auto 26px; }
.nf-btns { justify-content: center; }
.nf-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; margin-top: 32px; font-size: 13.5px; }
.nf-links a { color: var(--muted-2); transition: color .2s; }
.nf-links a:hover { color: var(--brand); }

/* ---------- 21. Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field > span { font-size: 13px; font-weight: 600; color: var(--ink-3); }
.field > span i { color: #e5484d; font-style: normal; }
.field input,
.field textarea {
  width: 100%; font-family: inherit; font-size: 14.5px; color: var(--ink);
  background: #fbfcfe; border: 1px solid var(--line-strong); border-radius: 11px;
  padding: 11px 13px; outline: none; transition: border-color .2s, box-shadow .2s, background .2s;
  resize: vertical;
}
.field textarea { min-height: 96px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: #a9b4c6; }
.field input:focus,
.field textarea:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(20, 110, 245, .12); }
.form-msg {
  margin-top: 14px; padding: 12px 14px; border-radius: 11px;
  font-size: 13.4px; line-height: 1.7;
}
.form-msg.is-ok { background: #eafaf3; border: 1px solid #c9f0e0; color: #0b7a5b; }
.form-msg.is-err { background: #fff6ed; border: 1px solid #ffe2c4; color: #9a5a12; }

/* ---------- 22. Misc blocks ---------- */
.quote {
  border-left: 3px solid var(--brand); padding: 4px 0 4px 20px;
  color: var(--ink-3); font-size: 15px; line-height: 1.8;
}
.kbd {
  font-family: var(--mono); font-size: 12px; background: #f4f6fa;
  border: 1px solid var(--line-strong); border-bottom-width: 2px;
  padding: 1px 6px; border-radius: 5px; color: var(--ink-3);
}
.hr { height: 1px; background: var(--line); border: 0; margin: 0; }
.note {
  display: flex; gap: 10px; font-size: 13px; color: var(--muted);
  background: #f8fafd; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.badge-line { display: flex; flex-wrap: wrap; gap: 8px; }

.legal { max-width: 820px; }
.legal h2 { font-size: 21px; margin: 36px 0 12px; }
.legal h3 { font-size: 16.5px; margin: 22px 0 8px; }
.legal p, .legal li { color: var(--ink-3); font-size: 14.6px; line-height: 1.85; }
.legal ul { display: grid; gap: 6px; margin: 8px 0 0; }
.legal ul li { padding-left: 15px; position: relative; }
.legal ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 4px; height: 4px; border-radius: 50%; background: var(--muted-2); }
.legal .updated { font-size: 13px; color: var(--muted-2); }

.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.case-tile {
  position: relative; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line); background: #fff; aspect-ratio: 3 / 4;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 14px;
  transition: .3s;
}
.case-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-tile .ct-art { position: absolute; inset: 0; }
.case-tile .ct-name { position: relative; font-size: 13px; font-weight: 700; color: var(--ink); }
.case-tile .ct-tag { position: relative; font-size: 11px; color: var(--muted); }
.art-1 { background: linear-gradient(160deg, #eef4ff, #dbe8ff 60%, #f6f9ff); }
.art-2 { background: linear-gradient(160deg, #fff3e8, #ffe3cc 60%, #fff9f3); }
.art-3 { background: linear-gradient(160deg, #eafaf3, #cdf3e4 60%, #f5fffa); }
.art-4 { background: linear-gradient(160deg, #f4efff, #e2d8ff 60%, #faf7ff); }
.art-5 { background: linear-gradient(160deg, #eef7ff, #cfe9ff 60%, #f7fbff); }
.art-6 { background: linear-gradient(160deg, #fdf1f4, #ffdbe3 60%, #fff8fa); }
.art-7 { background: linear-gradient(160deg, #f2f4f8, #dfe5ef 60%, #fafbfd); }
.art-8 { background: linear-gradient(160deg, #f0fbf6, #d6f0e2 60%, #fafffc); }

.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ---------- 22. Responsive ---------- */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-right .nav-login { display: none; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col--contact { grid-column: span 1; }
  .case-grid { grid-template-columns: repeat(3, 1fr); }
  .float-card--a { left: -8px; }
  .float-card--b { right: -8px; }
}

@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .founder { grid-template-columns: minmax(0, 1fr); }
  .founder-card { position: static; }
  .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .compare { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .plan-grid { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .industry-grid { grid-template-columns: minmax(0, 1fr); }
  .cta-grid { grid-template-columns: minmax(0, 1fr); }
  .cta-qr { justify-self: start; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .spec-scroll { display: none; }
  .spec-foot { display: none; }
  .spec-mobile { display: block; padding: 8px 16px 16px; }
  .page-hero { padding-top: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: span 2; }
  .hero h1 { letter-spacing: -.035em; }
  .float-card { display: none; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  /* 底部固定咨询条：白底两等分，中间一条竖线 */
  .mbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 96;
    display: flex; align-items: center;
    background: rgba(255, 255, 255, .97);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    backdrop-filter: saturate(180%) blur(12px);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-shadow: 0 -8px 26px -18px rgba(10, 14, 26, .5);
  }
  .mbar-btn {
    flex: 1 1 0; min-width: 0;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    height: 54px; font-size: 15px; font-weight: 600; color: var(--brand);
    background: none; border: 0; font-family: inherit; text-decoration: none;
    cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .mbar-btn:active { background: rgba(20, 110, 245, .07); }
  .mbar-btn svg { flex: none; }
  .mbar-btn span { white-space: nowrap; }
  .mbar-div { flex: none; width: 1px; height: 22px; background: var(--line); }
  /* 页脚给底部条让位，版权与备案行不被遮住 */
  .site-footer { padding-bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
  /* 悬浮顾问抬到咨询条之上，避免压住 */
  .fab-wrap { right: 14px; bottom: calc(68px + env(safe-area-inset-bottom, 0px)); }
  .fab-panel { max-height: calc(100vh - 148px); }
  .fab-body { flex: 1 1 auto; min-height: 0; max-height: none; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: clamp(29px, 8.4vw, 38px); letter-spacing: -.03em; }
  .page-hero h1 { font-size: clamp(26px, 7.4vw, 34px); }
  .stats { grid-template-columns: 1fr; }
  .step { grid-template-columns: 40px 1fr; gap: 14px; }
  .step-n { width: 36px; height: 36px; border-radius: 10px; font-size: 12px; }
  .cta { border-radius: var(--radius-lg); padding: 30px 22px; }
  .btn { width: 100%; }
  .btn-row { gap: 10px; }
  /* 手机端标签栏：缩小内边距让 5 个选项单行均分；更窄的机型自动横滑兜底 */
  .tabbar { width: 100%; }
  .tabbar button {
    flex: 1 0 auto; padding: 8px 10px; font-size: 12.5px;
  }
  /* iOS 在输入框字号 <16px 时会自动放大页面，这里统一到 16px */
  .field input, .field textarea, .fab-input input { font-size: 16px; }
  .promo { padding: 44px 0; }
  .promo-br { display: inline; }
  .promo-inner { gap: 18px; }
  .promo-btn { width: auto; min-width: 172px; }
  .nav-cta { display: none; }
  .hero-badges .pill { font-size: 12px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  /* 窄屏底部版权区改为逐行排列，避免公司名 + 备案号挤在一行被裁切 */
  .footer-bottom { display: block; line-height: 2.1; }
  .footer-bottom > * { display: block; }
  .footer-bottom .sep { display: none; }
  .footer-bottom a { display: inline-block; margin-right: 14px; white-space: nowrap; }
  .section { padding: 52px 0; }
  /* 手机端创始人卡：头像与姓名横排，节省首屏高度 */
  .founder-card { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 0 14px; align-items: center; padding: 20px 18px; }
  .founder-photo { width: 62px; height: 62px; font-size: 23px; grid-row: span 2; }
  .founder-name { margin-top: 0; font-size: 19px; }
  .founder-role { margin-top: 2px; }
  .founder-org, .founder-facts { grid-column: 1 / -1; }
  .founder-body > p { font-size: 14.4px; line-height: 1.86; }
  .strip-inner { gap: 14px; }
  .strip-logos { gap: 16px; }
}