/* Covekeel site. One typeface (Geist), light theme, flat backgrounds, spacing from the 4/8 scale. */
:root {
  --bg: #f7f8f7; --surface: #ffffff; --ink: #101414; --ink-2: #3f4747; --muted: #667070; --line: #dfe4e3;
  --accent: #0f5f73; --accent-ink: #ffffff; --accent-hover: #0b4a5a; --accent-soft: #e5f0f2; --ok: #12704a; --err: #b42318;
  --r-lg: 16px; --r-md: 8px; --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/24px var(--font); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { text-wrap: balance; margin: 0; font-weight: 600; }
p, li { text-wrap: pretty; }
code { font-family: var(--mono); font-size: 14px; }

.skip { position: absolute; left: 16px; top: -64px; background: var(--surface); padding: 12px 16px; min-height: 44px; border-radius: var(--r-md); z-index: 30; }
.skip:focus { top: 16px; }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }

/* nav: compact floating bar */
.nav { position: sticky; top: 12px; z-index: 20; display: flex; justify-content: center; padding: 0 16px; }
.nav-bar { display: flex; align-items: center; gap: 24px; padding: 8px 8px 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255, 255, 255, 0.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 600; font-size: 16px; color: var(--ink); text-decoration: none; }
.nav-links { display: flex; gap: 16px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 14px; line-height: 20px; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-toggle { display: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 8px 12px; min-height: 44px; border-radius: var(--r-md);
  background: var(--accent); color: var(--accent-ink); font: 600 16px/24px var(--font); text-decoration: none; border: 1px solid var(--accent); cursor: pointer;
  transition: background-color 300ms var(--ease), transform 300ms var(--ease); }
.btn:hover { background: var(--accent-hover); color: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.btn-sm { min-height: 44px; font-size: 14px; line-height: 20px; border-radius: 999px; padding: 8px 16px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); color: var(--ink); }

/* hero */
.hero { padding: 96px 0 64px; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: 14px; line-height: 20px; font-weight: 500; color: var(--accent); background: var(--accent-soft);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 24px; }
.hero h1 { font-size: 48px; line-height: 48px; letter-spacing: -0.02em; max-width: 680px;
  color: var(--ink); }
.lede { font-size: 18px; line-height: 28px; color: var(--ink-2); max-width: 680px; margin: 24px 0 32px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.proof { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--muted); font-size: 14px; line-height: 20px; list-style: none; padding: 0; }
.proof li::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: middle; }

/* hero visual: a session card */
.visual { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 16px; }
.visual-top { display: flex; align-items: center; gap: 8px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.visual-title { margin-left: 8px; font-size: 12px; line-height: 16px; color: var(--muted); font-family: var(--mono); }
.screen { margin-top: 16px; border-radius: var(--r-md); background: #181818; color: #e7eeee; padding: 16px; font: 400 14px/20px var(--mono); min-height: 208px; }
.screen .k { color: #8fd3e0; } .screen .m { color: #9b9b9b; }
.ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.way { border: 1px solid var(--line); border-radius: var(--r-md); padding: 8px 12px; font-size: 12px; line-height: 16px; color: var(--ink-2); }
.way b { display: block; font-size: 14px; line-height: 20px; color: var(--ink); font-weight: 500; }

section { padding: 80px 0; }
.sec-head { max-width: 680px; margin-bottom: 40px; }
.sec-head h2 { font-size: 36px; line-height: 40px; letter-spacing: -0.01em; }
.sec-head p { color: var(--ink-2); margin: 12px 0 0; font-size: 18px; line-height: 28px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; }
.card h3 { font-size: 20px; line-height: 28px; font-weight: 500; margin-bottom: 8px; }
.card p { margin: 0; color: var(--ink-2); }
.step-n { font: 500 12px/16px var(--mono); color: var(--accent); margin-bottom: 12px; display: block; }

/* tagline reveal */
.tagline { padding: 96px 0; }
.tagline p { font-size: 48px; line-height: 48px; font-weight: 600; letter-spacing: -0.02em; max-width: 880px; margin: 0; }
.tagline .w { color: #6b7272; transition: color 600ms var(--ease); }
.tagline .w.on { color: var(--ink); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.plan.featured { border-color: var(--accent); }
.plan h3 { font-size: 18px; line-height: 28px; font-weight: 500; }
.price { font-size: 36px; line-height: 40px; font-weight: 600; }
.price small { font-size: 14px; line-height: 20px; font-weight: 400; color: var(--muted); }
.plan .note { color: var(--muted); font-size: 14px; line-height: 20px; margin: 0; }
.badge { align-self: flex-start; font-size: 12px; line-height: 16px; font-weight: 500; background: var(--accent-soft); color: var(--accent); padding: 2px 8px; border-radius: 999px; }
.spec { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--ink-2); font-size: 14px; line-height: 20px; list-style: none; padding: 0; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.ticks li { padding-left: 24px; position: relative; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 8px; width: 10px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.tools { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.tools li { background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 14px; line-height: 20px; }

/* FAQ */
.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); transition: transform 300ms var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); margin: 12px 0 0; }

/* form */
.signup { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.signup h2 { font-size: 30px; line-height: 36px; }
.signup p { color: var(--ink-2); }
form.stack { display: grid; gap: 16px; }
label { display: block; font-size: 14px; line-height: 20px; font-weight: 500; margin-bottom: 4px; }
input, select, textarea { width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--r-md); font: 400 16px/24px var(--font); background: var(--surface); color: var(--ink); }
textarea { min-height: 96px; resize: vertical; }
.field-err { color: var(--err); font-size: 14px; line-height: 20px; margin-top: 4px; display: none; }
.invalid .field-err { display: block; } .invalid input { border-color: var(--err); }
.form-msg { border-radius: var(--r-md); padding: 12px 16px; font-size: 14px; line-height: 20px; display: none; }
.form-msg.show { display: block; } .form-msg.err { background: #fef3f2; color: var(--err); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.fine { font-size: 12px; line-height: 16px; color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 40px 0 48px; color: var(--muted); font-size: 14px; line-height: 20px; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.foot nav a { color: var(--ink-2); margin-right: 16px; text-decoration: none; }
.foot nav a:hover { color: var(--ink); }

/* long text pages */
.doc { max-width: 720px; padding: 96px 0 64px; }
.doc h1 { font-size: 48px; line-height: 48px; margin-bottom: 16px; }
.doc h2 { font-size: 24px; line-height: 32px; margin: 40px 0 12px; }
.doc p, .doc li { color: var(--ink-2); }
.back { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.doc .updated { color: var(--muted); font-size: 14px; line-height: 20px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .grid-3, .plans, .signup { grid-template-columns: 1fr; }
  .signup { padding: 24px; gap: 24px; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 36px; line-height: 40px; }
  .tagline p { font-size: 30px; line-height: 36px; }
  .sec-head h2 { font-size: 30px; line-height: 36px; }
  .doc h1 { font-size: 36px; line-height: 40px; }
  section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; width: 44px; height: 44px; flex-shrink: 0; min-width: 44px; align-items: center; justify-content: center; border: 0; background: transparent; border-radius: 999px; cursor: pointer; }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; display: block; width: 18px; height: 2px; background: var(--ink); position: relative; transition: transform 500ms var(--ease), opacity 300ms var(--ease); }
  .nav-toggle span::before { position: absolute; top: -6px; } .nav-toggle span::after { position: absolute; top: 6px; }
  .nav.open .nav-toggle span { background: transparent; }
  .nav.open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
  .nav.open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }
  .nav.open .nav-links { display: flex; position: fixed; inset: 72px 16px auto 16px; flex-direction: column; gap: 4px; padding: 16px;
    background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--line); border-radius: var(--r-lg); }
  .nav.open .nav-links a { display: block; padding: 12px; font-size: 18px; line-height: 28px; opacity: 0; transform: translateY(24px); animation: navin 400ms var(--ease) forwards; }
  .nav.open .nav-links li:nth-child(2) a { animation-delay: 60ms; } .nav.open .nav-links li:nth-child(3) a { animation-delay: 120ms; }
  .nav.open .nav-links li:nth-child(4) a { animation-delay: 180ms; } .nav.open .nav-links li:nth-child(5) a { animation-delay: 240ms; }
  .ways { grid-template-columns: 1fr; }
}
@keyframes navin { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transform: none; transition: opacity 300ms linear; }
  .tagline .w { color: var(--ink); transition: none; }
  .nav.open .nav-links a { animation: none; opacity: 1; transform: none; }
}

/* ───── 中文首页 (11-13 统帅「要带图带动效的首页」): 实景图 + 演示窗口动画 + 滚动动效 ───── */
:root { --font: "Geist", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif; }
html[lang="zh-CN"] body { line-height: 1.75; letter-spacing: 0.01em; }

.hero-x { position: relative; overflow: hidden; color: #f2f6f6; background: #0b1416; margin-top: -72px; }
.hero-x .bg { position: absolute; inset: -40px 0; background-size: cover; background-position: center; will-change: transform; }
.hero-x .bg::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8, 16, 18, 0.94) 0%, rgba(8, 16, 18, 0.8) 45%, rgba(8, 16, 18, 0.4) 100%); }
.hero-x .inner { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding: 160px 0 112px; }
.hero-x h1 { font-size: 52px; line-height: 1.25; letter-spacing: -0.01em; color: #fff; }
.hero-x .lede { color: rgba(242, 246, 246, 0.82); font-size: 18px; line-height: 1.8; margin: 24px 0 32px; max-width: 560px; }
.hero-x .eyebrow { background: rgba(143, 211, 224, 0.14); color: #9fdbe6; }
.hero-x .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.hero-x .btn-ghost:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.hero-x .proof { color: rgba(242, 246, 246, 0.72); }
.hero-x .proof li::before { background: #8fd3e0; }
.rise { opacity: 0; transform: translateY(24px); animation: rise 900ms var(--ease) forwards; }
.rise.d1 { animation-delay: 120ms; } .rise.d2 { animation-delay: 240ms; } .rise.d3 { animation-delay: 360ms; } .rise.d4 { animation-delay: 480ms; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* 演示窗口: 浏览器里的远程桌面 */
.demo { border-radius: 16px; background: rgba(20, 30, 32, 0.72); border: 1px solid rgba(255, 255, 255, 0.12); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45); overflow: hidden; transform: perspective(1400px) rotateY(-6deg); }
.demo-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.demo-bar .dot { background: rgba(255, 255, 255, 0.22); }
.demo-url { flex: 1; margin-left: 8px; padding: 4px 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.06); font: 400 12px/16px var(--mono); color: rgba(255, 255, 255, 0.6); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.demo-live { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; line-height: 16px; color: #8fe0b0; white-space: nowrap; }
.demo-live i { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.55); } 80%, 100% { box-shadow: 0 0 0 10px rgba(61, 220, 132, 0); } }
.desk { position: relative; height: 320px; background: radial-gradient(120% 90% at 20% 0%, #1d4f5a 0%, #0f2a31 55%, #0a1a1e 100%); }
.win { position: absolute; border-radius: 10px; background: rgba(10, 16, 18, 0.9); border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4); }
.win-term { left: 24px; top: 24px; right: 96px; bottom: 64px; padding: 32px 16px 16px; font: 400 12px/20px var(--mono); color: #d7e6e6; overflow: hidden; }
.win-term .cap { position: absolute; top: 8px; left: 16px; font: 500 11px/16px var(--font); color: rgba(255, 255, 255, 0.45); }
.win-term .ln { opacity: 0; white-space: nowrap; overflow: hidden; }
.win-term .ln.on { opacity: 1; transition: opacity 200ms linear; }
.win-term .ok { color: #8fe0b0; } .win-term .k { color: #8fd3e0; } .win-term .m { color: rgba(255, 255, 255, 0.4); }
.win-term .bar { height: 6px; border-radius: 3px; background: rgba(255, 255, 255, 0.08); margin: 8px 0; overflow: hidden; }
.win-term .bar span { display: block; height: 100%; width: 100%; transform-origin: left; transform: scaleX(0); background: linear-gradient(90deg, #4fb6c9, #8fe0b0); border-radius: 3px; }
.win-term .bar.go span { transform: scaleX(1); transition: transform 1600ms var(--ease); }
.win-chip { right: 16px; bottom: 16px; padding: 12px 16px; display: grid; gap: 4px; min-width: 168px; animation: float 6s ease-in-out infinite alternate; }
.win-chip b { font-size: 14px; line-height: 20px; color: #fff; font-weight: 500; }
.win-chip span { font-size: 12px; line-height: 16px; color: rgba(255, 255, 255, 0.6); }
@keyframes float { to { transform: translateY(-8px); } }
.dock { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); display: flex; gap: 8px; padding: 6px 8px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.12); }
.dock span { width: 20px; height: 20px; border-radius: 6px; background: linear-gradient(160deg, #6fc3d2, #2f7f8f); }
.dock span:nth-child(2) { background: linear-gradient(160deg, #f0c674, #c98a2b); } .dock span:nth-child(3) { background: linear-gradient(160deg, #9ad48a, #4f9a3f); }
.dock span:nth-child(4) { background: linear-gradient(160deg, #c7a7f0, #7a5bc2); } .dock span:nth-child(5) { background: linear-gradient(160deg, #f19a9a, #c45252); }

/* 卖点滚动条 */
.ticker { border-bottom: 1px solid var(--line); background: var(--surface); overflow: hidden; }
.ticker ul { display: flex; gap: 48px; list-style: none; margin: 0; padding: 20px 0; width: max-content; animation: marquee 36s linear infinite; }
.ticker li { white-space: nowrap; color: var(--ink-2); font-size: 15px; display: flex; align-items: center; gap: 10px; }
.ticker li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 逐字点亮 */
.tagline-zh p { font-size: 44px; line-height: 1.45; font-weight: 600; max-width: 900px; margin: 0; }
.tagline-zh .w { color: #6b7272; transition: color 500ms var(--ease); }
.tagline-zh .w.on { color: var(--ink); }

/* 三步 + 画线 */
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps svg.line { position: absolute; left: 16%; top: 27px; width: 68%; height: 4px; overflow: visible; }
.steps svg.line path { stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 8; fill: none; }
.steps svg.line .mask { stroke: var(--bg); stroke-width: 6; stroke-dasharray: 1000; transition: stroke-dashoffset 1400ms var(--ease); stroke-dashoffset: 0; }
.steps.in svg.line .mask { stroke-dashoffset: -1000; }
.step { position: relative; text-align: center; padding: 0 8px; }
.step .n { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: var(--surface);
  border: 1px solid var(--line); font: 600 18px/1 var(--font); color: var(--accent); position: relative; z-index: 1; }
.step h3 { font-size: 20px; line-height: 1.5; font-weight: 600; margin-bottom: 8px; }
.step p { color: var(--ink-2); margin: 0; }

/* 连接方式选项卡 */
.tabs-x { display: grid; grid-template-columns: 320px 1fr; gap: 32px; align-items: stretch; }
.tab-list { display: grid; gap: 12px; align-content: start; }
.tab-btn { text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: var(--r-lg); padding: 16px 20px; cursor: pointer;
  font: inherit; color: var(--ink); transition: border-color 300ms var(--ease), transform 300ms var(--ease), box-shadow 300ms var(--ease); }
.tab-btn b { display: block; font-size: 17px; font-weight: 600; } .tab-btn span { display: block; color: var(--muted); font-size: 14px; line-height: 1.6; margin-top: 4px; }
.tab-btn:hover { transform: translateY(-2px); }
.tab-btn:active { transform: translateY(1px); }
.tab-btn[aria-selected="true"] { border-color: var(--accent); box-shadow: 0 8px 24px rgba(15, 95, 115, 0.12); }
.tab-panel { position: relative; min-height: 360px; border-radius: 20px; overflow: hidden; background: #0d1d21; color: #e6f0f0; }
.tab-panel .pane { position: absolute; inset: 32px; opacity: 0; transform: translateY(12px); transition: opacity 500ms var(--ease), transform 500ms var(--ease); visibility: hidden; }
.tab-panel .pane.on { opacity: 1; transform: none; visibility: visible; }
.pane h3 { font-size: 22px; font-weight: 600; color: #fff; margin-bottom: 12px; }
.pane p { color: rgba(230, 240, 240, 0.8); margin: 0 0 16px; }
.pane .tag { display: inline-block; font-size: 12px; line-height: 20px; padding: 2px 10px; border-radius: 999px; background: rgba(143, 224, 176, 0.14); color: #8fe0b0; margin-right: 8px; }
.pane .tag.warn { background: rgba(240, 198, 116, 0.14); color: #f0c674; }
.pane .mock { margin-top: 16px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.1); background: rgba(255, 255, 255, 0.04); padding: 16px; font: 400 13px/22px var(--mono); color: #cfe3e3; }

/* 图文段 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split.rev .media { order: 2; }
.media { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 3 / 2; background: #0d1d21; }
.media img { width: 100%; height: 115%; object-fit: cover; will-change: transform; }
.media .badge-float { position: absolute; left: 20px; bottom: 20px; padding: 12px 16px; border-radius: 12px; background: rgba(255, 255, 255, 0.94);
  font-size: 14px; line-height: 1.5; color: var(--ink); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18); }
.media .badge-float b { display: block; font-size: 22px; color: var(--accent); }
.uses { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 16px; }
.uses li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; }
.uses i { width: 40px; height: 40px; border-radius: 12px; background: var(--accent-soft); display: grid; place-items: center; font-style: normal; color: var(--accent); font-weight: 700; }
.uses b { display: block; font-weight: 600; } .uses span { color: var(--ink-2); }

/* 价格 */
.plan .num { font-variant-numeric: tabular-nums; }
.plan { transition: transform 300ms var(--ease), box-shadow 300ms var(--ease); }
.plan:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(15, 30, 32, 0.08); }

/* 供应商 */
.host-x { position: relative; border-radius: 24px; overflow: hidden; color: #fff; background: #0b1416; }
.host-x .bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.host-x .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8, 16, 18, 0.93) 0%, rgba(8, 16, 18, 0.62) 70%, rgba(8, 16, 18, 0.35) 100%); }
.host-x .inner { position: relative; padding: 64px; max-width: 640px; }
.host-x h2 { font-size: 36px; line-height: 1.3; margin-bottom: 16px; }
.host-x p { color: rgba(255, 255, 255, 0.82); }
.host-x .shares { display: flex; gap: 32px; margin: 24px 0 32px; }
.host-x .shares b { display: block; font-size: 44px; line-height: 1; color: #8fe0b0; }
.host-x .shares span { font-size: 14px; color: rgba(255, 255, 255, 0.72); }
.host-x .btn { background: #fff; color: var(--ink); border-color: #fff; }

@media (max-width: 900px) {
  .hero-x .inner { grid-template-columns: 1fr; padding: 128px 0 72px; }
  .demo { transform: none; }
  .steps { grid-template-columns: 1fr; gap: 32px; } .steps svg.line { display: none; }
  .tabs-x, .split { grid-template-columns: 1fr; } .split.rev .media { order: 0; }
  .host-x .inner { padding: 40px 24px; }
}
@media (max-width: 640px) {
  .hero-x h1 { font-size: 34px; }
  .tagline-zh p { font-size: 28px; }
  .desk { height: 280px; } .win-term { right: 16px; bottom: 80px; } .win-chip { right: 12px; bottom: 12px; min-width: 0; }
  .tab-panel { min-height: 460px; } .tab-panel .pane { inset: 24px; }
  .host-x .shares b { font-size: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; opacity: 1; transform: none; }
  .ticker ul, .win-chip, .demo-live i { animation: none; }
  .win-term .ln { opacity: 1; } .win-term .bar span { transform: none; }
  .tagline-zh .w { color: var(--ink); transition: none; }
  .steps svg.line .mask { display: none; }
  .hero-x .bg, .media img { transform: none !important; }
}

.tab-panel { min-height: 340px; }
.mini-desk { position: relative; margin-top: 16px; height: 150px; border-radius: 12px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(120% 90% at 20% 0%, #1d4f5a 0%, #0f2a31 55%, #0a1a1e 100%); }
.mini-url { position: absolute; left: 12px; right: 12px; top: 10px; padding: 3px 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.07); font: 400 11px/16px var(--mono); color: rgba(255, 255, 255, 0.55); }
.win-term.mini { left: 16px; top: 40px; right: auto; width: 220px; bottom: auto; padding: 10px 12px; }
.devices { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.devices span { padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.14); font-size: 13px; color: #cfe3e3; }