/* ============================================================
   Cloudream Innovation — 云梦科创
   设计系统：轻雾青（Mist）· 仅浅色 · 深色只用于文字
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  /* 品牌主色 #d0f1f3 及其色阶 */
  --mist-50:  #f7fcfd;
  --mist-100: #edf9fa;
  --mist-200: #d0f1f3;   /* 主色 */
  --mist-300: #bfe7ec;
  --mist-400: #a9dfe5;
  --mist-500: #7fced6;
  --mist-600: #4fb3bf;
  --mist-700: #2f8d9b;

  /* 墨色（仅文字） */
  --ink-900: #06272c;
  --ink-800: #0e3840;
  --ink-700: #1b4c56;
  --ink-600: #33646e;
  --ink-500: #4d7b85;
  --ink-400: #7d9aa2;

  --paper: #ffffff;
  --paper-soft: #fbfdfe;

  --line: rgba(6, 39, 44, 0.07);
  --line-mist: #dff2f4;
  --hair: rgba(6, 39, 44, 0.05);

  /* 阴影：一律用青灰调，避免中性灰发脏 */
  --sh-1: 0 1px 2px rgba(6, 39, 44, 0.03), 0 10px 26px -16px rgba(6, 39, 44, 0.14);
  --sh-2: 0 2px 4px rgba(6, 39, 44, 0.03), 0 28px 64px -28px rgba(6, 39, 44, 0.18);
  --sh-3: 0 6px 12px rgba(6, 39, 44, 0.03), 0 44px 120px -44px rgba(31, 107, 120, 0.30);

  --r-xl: 32px;
  --r-lg: 26px;
  --r-md: 18px;
  --r-sm: 12px;
  --r-pill: 999px;

  color-scheme: light;

  --shell: 1180px;
  --shell-pad: clamp(20px, 4vw, 40px);

  /* 字体 */
  --font-sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC",
    "Microsoft YaHei", system-ui, sans-serif;

  /* 字号：模块化 1.25 倍率 + 流体标题 */
  --t-display: clamp(2.55rem, 7vw, 5.25rem);
  --t-display-sm: clamp(1.9rem, 4.4vw, 3.1rem);
  --t-h2: clamp(1.85rem, 3.5vw, 2.85rem);
  --t-h3: 1.125rem;
  --t-lede: clamp(1rem, 0.42vw + 0.9rem, 1.1875rem);
  --t-body: 1rem;
  --t-sm: 0.875rem;
  --t-xs: 0.75rem;

  /* 动效：统一指数缓动 */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--ink-600);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
  -webkit-tap-highlight-color: rgba(127, 206, 214, 0.25);
}
/* 环境光：固定的一层极淡青雾，不随内容滚动 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(120% 70% at 50% -8%, #ffffff 0%, #f4fbfc 42%, rgba(244, 251, 252, 0) 78%),
    radial-gradient(70% 46% at 88% 4%, rgba(208, 241, 243, 0.5) 0%, rgba(208, 241, 243, 0) 70%),
    radial-gradient(60% 40% at 2% 30%, rgba(237, 249, 250, 0.85) 0%, rgba(237, 249, 250, 0) 65%);
}
body.is-locked { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
img { height: auto; }
ul, ol { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--mist-200); color: var(--ink-900); }

:focus-visible {
  outline: 2px solid var(--mist-600);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute; left: 50%; top: 8px; transform: translate(-50%, -160%);
  z-index: 200; background: var(--paper); color: var(--ink-900);
  border: 1px solid var(--mist-300); border-radius: var(--r-pill);
  padding: 8px 18px; font-size: var(--t-sm); box-shadow: var(--sh-1);
  transition: transform 0.3s var(--ease);
}
.skip:focus { transform: translate(-50%, 0); }

.shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: var(--shell-pad); }

/* ---------- 3. 排版基元 ---------- */
.eyebrow {
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.h2, .display, h3 { text-wrap: balance; }
.h2 {
  font-size: var(--t-h2);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--ink-900);
  margin-top: 0.5rem;
}
.display {
  font-size: var(--t-display);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 600;
  color: var(--ink-900);
}
.display--sm { font-size: var(--t-display-sm); letter-spacing: -0.03em; }
.display__line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.display__line > span { display: inline-block; }

.grad {
  background: linear-gradient(100deg, #2f8d9b 0%, #0e3840 38%, #4fb3bf 62%, #2f8d9b 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.is-in .grad { animation: gradSheen 2.6s var(--ease-soft) 0.35s 1 both; }
@keyframes gradSheen {
  from { background-position: 120% 0; }
  to   { background-position: -20% 0; }
}

.lede {
  font-size: var(--t-lede);
  line-height: 1.72;
  color: var(--ink-500);
  max-width: 46ch;
  margin-top: 1.4rem;
}
.lede--center { margin-inline: auto; text-align: center; max-width: 44ch; }

.sec-head { max-width: 62ch; }
.sec-head--center { max-width: none; text-align: center; }
.sec-head--center .lede { margin-inline: auto; }
.sec-head__lede {
  font-size: var(--t-lede);
  line-height: 1.72;
  color: var(--ink-500);
  margin-top: 1rem;
  max-width: 52ch;
}
.sec-head--center .sec-head__lede { margin-inline: auto; }

/* 英文标题比中文长很多，单独收一点字号，小屏与放大时不会挤爆 */
[data-lang="en"] .display { font-size: clamp(2rem, 5.6vw, 5.25rem); letter-spacing: -0.028em; }
[data-lang="en"] .display--sm { font-size: clamp(1.6rem, 4vw, 3.1rem); }

/* ---------- 4. 滚动揭示 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease) var(--d, 0s), transform 0.9s var(--ease) var(--d, 0s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js .display__line[data-reveal] { opacity: 1; transform: none; }
.js .display__line[data-reveal] > span {
  transform: translateY(112%);
  opacity: 0;
  transition: transform 1.05s var(--ease) var(--d, 0s), opacity 0.7s var(--ease-soft) var(--d, 0s);
}
.js .display__line[data-reveal].is-in > span { transform: none; opacity: 1; }

/* ---------- 5. 按钮（克制：无大面积动画） ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 46px;
  padding: 11px 24px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.35;
  text-wrap: balance;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: background-color 0.35s var(--ease-soft), border-color 0.35s var(--ease-soft),
    box-shadow 0.4s var(--ease-soft), color 0.35s var(--ease-soft);
}
.btn--mini { min-height: 32px; padding: 7px 15px; font-size: 0.8125rem; }
.btn--lg { min-height: 54px; padding: 15px 32px; font-size: 1rem; }

.btn--solid {
  background: linear-gradient(180deg, #e4f8fa 0%, #c6edf0 100%);
  border-color: #bde6eb;
  color: var(--ink-900);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 10px 24px -14px rgba(47, 141, 155, 0.45);
}
.btn--solid:hover {
  background: linear-gradient(180deg, #d9f5f8 0%, #b6e6eb 100%);
  border-color: #a9dfe5;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 16px 34px -16px rgba(47, 141, 155, 0.55);
}
.btn--solid:active { box-shadow: inset 0 1px 3px rgba(6, 39, 44, 0.08); }

/* 一道极轻的高光扫过——只在悬停时出现 */
.btn--solid::after {
  content: "";
  position: absolute;
  inset: -20% -40%;
  background: linear-gradient(105deg, transparent 38%, rgba(255, 255, 255, 0.75) 50%, transparent 62%);
  transform: translateX(-115%);
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}
.btn--solid:hover::after { opacity: 1; transform: translateX(115%); transition: transform 0.95s var(--ease-soft), opacity 0.2s linear; }

.btn--ghost {
  background: rgba(255, 255, 255, 0.6);
  border-color: var(--mist-300);
  color: var(--ink-700);
}
.btn--ghost:hover { background: #fff; border-color: var(--mist-400); color: var(--ink-900); }

.btn__arrow { width: 16px; height: 16px; transition: transform 0.4s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- 6. 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  padding-top: 14px;
  pointer-events: none;
}
.nav__inner, .nav__progress { pointer-events: auto; }
.nav__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 0 6px 0 18px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.62);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 1px 0 rgba(6, 39, 44, 0.03), 0 14px 34px -22px rgba(6, 39, 44, 0.28);
  transition: background-color 0.4s var(--ease-soft), box-shadow 0.4s var(--ease-soft), border-color 0.4s;
}
.nav.is-scrolled .nav__inner {
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--mist-300);
  box-shadow: 0 1px 0 rgba(6, 39, 44, 0.04), 0 18px 40px -24px rgba(6, 39, 44, 0.34);
}

.brand { display: flex; align-items: center; gap: 11px; }
.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 11px;
  background: linear-gradient(160deg, #ffffff, #eaf8fa);
  border: 1px solid var(--mist-300);
  box-shadow: 0 0 0 4px rgba(208, 241, 243, 0.35);
  overflow: hidden;
}
.brand__mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.brand__mark--lg { width: 48px; height: 48px; border-radius: 14px; }
.brand__mark--lg img { border-radius: 13px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong {
  font-size: 0.9375rem; font-weight: 600; letter-spacing: -0.028em; color: var(--ink-900);
  white-space: nowrap;
}
.brand__text em {
  font-style: normal; font-size: 0.6875rem; letter-spacing: 0.04em; color: var(--ink-400);
  white-space: nowrap;
}

.nav__links { display: flex; align-items: center; gap: clamp(15px, 2.2vw, 26px); }
.nav__links a {
  position: relative;
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--ink-600);
  padding: 6px 1px;
  transition: color 0.3s var(--ease-soft);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--mist-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.nav__links a:hover { color: var(--ink-900); }
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a.is-active { color: var(--ink-900); }

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

/* 语言切换：滑块小细节 */
.lang {
  position: relative;
  display: flex;
  padding: 3px;
  border-radius: var(--r-pill);
  background: var(--mist-100);
  border: 1px solid var(--mist-300);
}
.lang__thumb {
  position: absolute;
  top: 3px; bottom: 3px; left: 0;
  width: 0;
  border-radius: var(--r-pill);
  background: var(--paper);
  box-shadow: 0 1px 2px rgba(6, 39, 44, 0.09);
  transition: transform 0.45s var(--ease), width 0.45s var(--ease);
}
.lang__btn {
  position: relative;
  z-index: 1;
  min-width: 32px;
  height: 26px;
  border-radius: var(--r-pill);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-400);
  transition: color 0.35s var(--ease-soft);
}
.lang__btn:hover { color: var(--ink-600); }
.lang__btn.is-active { color: var(--ink-900); font-weight: 600; }

.burger { display: none; align-items: center; gap: 8px; height: 32px; padding: 0 12px 0 14px; border-radius: var(--r-pill); border: 1px solid var(--mist-300); background: rgba(255,255,255,.7); }
.burger__label { font-size: var(--t-xs); color: var(--ink-700); }
.burger__icon { display: grid; gap: 4px; width: 14px; }
.burger__icon i { display: block; height: 1.5px; background: var(--ink-700); border-radius: 2px; transition: transform 0.4s var(--ease), opacity 0.3s; }
.burger[aria-expanded="true"] .burger__icon i:first-child { transform: translateY(2.75px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__icon i:last-child { transform: translateY(-2.75px) rotate(-45deg); }

.nav__progress {
  width: 100%;
  max-width: var(--shell);
  margin: 7px auto 0;
  padding-inline: var(--shell-pad);
}
.nav__progress i {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, var(--mist-400), var(--mist-600));
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}

/* 移动端菜单 */
.mobilemenu {
  position: fixed;
  inset: 0;
  z-index: 85;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 96px 28px 40px;
  max-height: 100vh;
  max-height: 100dvh;
  overflow-y: auto;
  background: rgba(247, 252, 253, 0.96);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  opacity: 0;
  transition: opacity 0.45s var(--ease-soft);
}
.mobilemenu[hidden] { display: none; }
.mobilemenu.is-open { opacity: 1; }
.mobilemenu nav { display: grid; gap: 2px; }
.mobilemenu a {
  font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  padding: 10px 0;
  border-bottom: 1px solid var(--line-mist);
  opacity: 0;
  transform: translateY(14px);
}
.mobilemenu.is-open a { animation: mmIn 0.6s var(--ease) both; }
.mobilemenu.is-open a:nth-child(1) { animation-delay: 0.05s; }
.mobilemenu.is-open a:nth-child(2) { animation-delay: 0.10s; }
.mobilemenu.is-open a:nth-child(3) { animation-delay: 0.15s; }
.mobilemenu.is-open a:nth-child(4) { animation-delay: 0.20s; }
.mobilemenu.is-open a:nth-child(5) { animation-delay: 0.25s; }
@keyframes mmIn { to { opacity: 1; transform: none; } }
.mobilemenu__note { margin-top: 28px; font-size: var(--t-sm); color: var(--ink-400); }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(128px, 17vh, 190px);
  padding-bottom: clamp(56px, 8vw, 96px);
  isolation: isolate;
  overflow: hidden;
}
.hero__field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  z-index: -3;
  left: 50%;
  top: 6%;
  width: min(1100px, 130vw);
  aspect-ratio: 1.5;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(208, 241, 243, 0.75) 0%, rgba(237, 249, 250, 0.35) 45%, rgba(255, 255, 255, 0) 72%);
  pointer-events: none;
}
.hero__inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero .lede { margin-inline: auto; text-align: center; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 2.1rem; }

/* 控制台视觉 */
.console-wrap {
  width: 100%;
  max-width: 900px;
  margin-top: clamp(44px, 6vw, 76px);
}
.console {
  width: 100%;
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.74);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow: var(--sh-3);
  overflow: hidden;
  transform: perspective(1400px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.5s var(--ease-soft);
  will-change: transform;
}
.console__bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 46px;
  padding: 0 18px;
  background: linear-gradient(180deg, #f7fcfd, #f1fafc);
  border-bottom: 1px solid var(--line-mist);
}
.console__dots { display: flex; gap: 6px; }
.console__dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--mist-300); }
.console__dots i:first-child { background: var(--mist-400); }
.console__url {
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--ink-500);
  background: #fff;
  border: 1px solid var(--line-mist);
  border-radius: var(--r-pill);
  padding: 4px 14px;
  margin-inline: auto;
}
.console__path { color: var(--ink-400); }
.console__status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.6875rem; letter-spacing: 0.04em; color: var(--ink-600);
}
.pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--mist-600);
  animation: pulseRing 2.8s var(--ease-soft) infinite;
}
@keyframes pulseRing {
  0%   { box-shadow: 0 0 0 0 rgba(79, 179, 191, 0.45); }
  70%  { box-shadow: 0 0 0 7px rgba(79, 179, 191, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 179, 191, 0); }
}

.console__body > * { min-width: 0; }
.console__body {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 2.6vw, 28px);
}
.console__label {
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 12px;
}
.deploy { display: grid; gap: 8px; }
.deploy li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, #ffffff, #f9fdfe);
  border: 1px solid var(--line-mist);
  transition: border-color 0.35s var(--ease-soft), transform 0.35s var(--ease-soft);
}
.deploy li:hover { border-color: var(--mist-300); transform: translateX(2px); }
.deploy__name { font-size: 0.875rem; color: var(--ink-800); font-weight: 500; }
.deploy__name em { font-style: normal; color: var(--ink-400); font-weight: 400; margin-left: 6px; font-size: 0.75rem; }
.deploy__meta { font-size: 0.75rem; color: var(--ink-400); font-variant-numeric: tabular-nums; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.6875rem; color: var(--ink-700);
  background: var(--mist-100);
  border: 1px solid var(--mist-300);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}
.pill i { width: 5px; height: 5px; border-radius: 50%; background: var(--mist-600); }

.console__col--chart { display: flex; flex-direction: column; }
.uptime {
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}
.uptime i { font-style: normal; font-size: 0.45em; color: var(--ink-400); margin-left: 4px; }
.spark { width: 100%; height: 64px; margin-top: auto; }
.spark__line {
  stroke-dasharray: 460;
  stroke-dashoffset: 460;
  transition: stroke-dashoffset 1.9s var(--ease) 0.25s;
}
.spark__area { opacity: 0; transition: opacity 1.2s var(--ease-soft) 0.6s; }
.console-wrap.is-in .spark__line { stroke-dashoffset: 0; }
.console-wrap.is-in .spark__area { opacity: 1; }

.bars { display: flex; align-items: flex-end; gap: 5px; height: 34px; margin-top: 12px; }
.bars i {
  flex: 1;
  height: var(--h);
  min-height: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--mist-400), var(--mist-200));
  transform: scaleY(0);
  transform-origin: bottom;
}
.console-wrap.is-in .bars i { animation: barIn 0.7s var(--ease) both; }
.console-wrap.is-in .bars i:nth-child(1)  { animation-delay: 0.30s; }
.console-wrap.is-in .bars i:nth-child(2)  { animation-delay: 0.34s; }
.console-wrap.is-in .bars i:nth-child(3)  { animation-delay: 0.38s; }
.console-wrap.is-in .bars i:nth-child(4)  { animation-delay: 0.42s; }
.console-wrap.is-in .bars i:nth-child(5)  { animation-delay: 0.46s; }
.console-wrap.is-in .bars i:nth-child(6)  { animation-delay: 0.50s; }
.console-wrap.is-in .bars i:nth-child(7)  { animation-delay: 0.54s; }
.console-wrap.is-in .bars i:nth-child(8)  { animation-delay: 0.58s; }
.console-wrap.is-in .bars i:nth-child(9)  { animation-delay: 0.62s; }
.console-wrap.is-in .bars i:nth-child(10) { animation-delay: 0.66s; }
.console-wrap.is-in .bars i:nth-child(11) { animation-delay: 0.70s; }
.console-wrap.is-in .bars i:nth-child(12) { animation-delay: 0.74s; }
@keyframes barIn { to { transform: scaleY(1); } }

/* ---------- 8. 走马灯 ---------- */
.marquee {
  border-block: 1px solid var(--line-mist);
  background: linear-gradient(90deg, #f6fbfc, #ffffff 50%, #f6fbfc);
  padding: 15px 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee__track { display: flex; width: max-content; animation: marquee 46s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee__group { display: flex; align-items: center; }
.marquee__group b {
  font-size: var(--t-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-500);
  white-space: nowrap;
}
.marquee__group i { color: var(--mist-400); font-style: normal; margin: 0 20px; font-size: 9px; }

/* ---------- 9. 核心业务（默认堆叠；仅在够宽且够高时才钉住滚动） ---------- */
.services { position: relative; }
.services__sticky {
  display: flex;
  align-items: center;
  padding-block: clamp(56px, 9vw, 96px);
}
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  width: 100%;
  align-items: start;
}
.services__grid > * { min-width: 0; }
.rail__lede { margin-top: 1rem; font-size: var(--t-sm); line-height: 1.7; color: var(--ink-500); max-width: 46ch; }

.rail { margin-top: clamp(20px, 3vw, 30px); display: grid; }
.rail__item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0 14px;
  padding: 15px 0 13px;
  border-top: 1px solid var(--line-mist);
  cursor: pointer;
  text-align: left;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}
.rail__item:last-child { border-bottom: 1px solid var(--line-mist); }
.rail__num { font-size: 0.6875rem; letter-spacing: 0.1em; color: var(--ink-400); font-variant-numeric: tabular-nums; }
.rail__text {
  font-size: clamp(1rem, 1.4vw, 1.1875rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-400);
  transition: color 0.45s var(--ease-soft);
}
.rail__item:hover .rail__text,
.rail__item:focus-visible .rail__text { color: var(--ink-600); }
.rail__item.is-active .rail__text { color: var(--ink-900); }
.rail__bar { grid-column: 1 / -1; height: 2px; margin-top: 10px; background: var(--mist-100); border-radius: 2px; overflow: hidden; }
.rail__bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--mist-400), var(--mist-600)); transform: scaleX(0); transform-origin: left; }

.services__stage { display: grid; gap: 16px; }
.panel {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 38px);
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid #fff;
  box-shadow: var(--sh-2);
  overflow: hidden;
  min-width: 0;
}
/* 跟随光标的一点点聚光 */
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(460px circle at var(--mx, 50%) var(--my, 0%), rgba(208, 241, 243, 0.6), rgba(208, 241, 243, 0) 68%);
  opacity: 0;
  transition: opacity 0.5s var(--ease-soft);
  pointer-events: none;
}
.panel { position: relative; }
.panel:hover::before { opacity: 1; }
.panel > * { position: relative; }
.panel__visual {
  width: 74px;
  padding: 10px;
  border-radius: var(--r-md);
  background: linear-gradient(160deg, #ffffff, #f2fbfc);
  border: 1px solid var(--line-mist);
  margin-bottom: 18px;
}
.panel__visual svg { width: 100%; height: auto; }
.orbit { transform-box: fill-box; transform-origin: 50% 50%; animation: orbitSpin 22s linear infinite; }
.orbit--b { animation-duration: 34s; animation-direction: reverse; }
@keyframes orbitSpin { to { transform: rotate(360deg); } }
.draw { stroke-dasharray: 42 200; animation: drawDash 4s var(--ease-soft) infinite; }
@keyframes drawDash { 0% { stroke-dashoffset: 242; } 55%, 100% { stroke-dashoffset: 0; } }

.panel__num { font-size: 0.6875rem; letter-spacing: 0.16em; color: var(--ink-400); font-variant-numeric: tabular-nums; }
.panel__title {
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin-top: 6px;
  text-wrap: balance;
}
.panel__sub { margin-top: 6px; font-size: var(--t-sm); color: var(--ink-500); }
.panel__list { margin-top: auto; padding-top: 22px; display: grid; gap: 11px; }
.panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-600);
}
.panel__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 8px; height: 1.5px;
  border-radius: 2px;
  background: var(--mist-500);
}

/* 钉住模式：同一网格单元叠放，高度取最高的一块，永远不会裁切内容 */
@media (min-width: 901px) and (min-height: 620px) {
  .services { height: 340vh; }
  .services__sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100svh;
    padding-block: clamp(24px, 5vh, 56px);
    overflow: hidden;
  }
  .services__grid {
    grid-template-columns: minmax(240px, 0.82fr) 1.18fr;
    gap: clamp(28px, 5vw, 72px);
    align-items: center;
  }
  .services__stage { gap: 0; }
  .panel {
    grid-area: 1 / 1;
    opacity: 0;
    transform: translateY(26px) scale(0.985);
    pointer-events: none;
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  }
  .panel.is-active { opacity: 1; transform: none; pointer-events: auto; }
}

/* ---------- 10. 云端架构 ---------- */
.arch { padding-block: clamp(72px, 10vw, 140px); }
.arch__grid > * { min-width: 0; }
.arch__grid {
  margin-top: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.arch__diagram {
  border-radius: var(--r-xl);
  padding: 10px;
  background: linear-gradient(160deg, #ffffff 0%, #f4fbfc 100%);
  border: 1px solid var(--mist-300);
  box-shadow: var(--sh-1);
}
.arch__diagram svg { width: 100%; height: auto; font-family: var(--font-sans); }
.arch__layer { font-size: 13px; font-weight: 600; letter-spacing: -0.01em; fill: var(--ink-900); }
.arch__layerSub { font-size: 9px; font-weight: 500; letter-spacing: 0.14em; fill: var(--ink-400); }
.spin { transform-box: fill-box; transform-origin: 50% 50%; animation: orbitSpin 26s linear infinite; }
.spin--rev { animation-duration: 38s; animation-direction: reverse; }

.arch__notes { display: grid; gap: 4px; }
.arch__notes li { padding: 18px 0; border-bottom: 1px solid var(--line-mist); }
.arch__notes li:first-child { border-top: 1px solid var(--line-mist); }
.arch__dot {
  display: block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff, var(--mist-500));
  border: 1px solid var(--mist-400);
  margin-bottom: 12px;
}
.arch__notes h3 { font-size: var(--t-h3); font-weight: 600; color: var(--ink-900); letter-spacing: -0.01em; }
.arch__notes p { margin-top: 6px; font-size: var(--t-sm); line-height: 1.7; color: var(--ink-500); }

/* ---------- 11. 工作方式 ---------- */
.workflow { padding-block: clamp(64px, 8vw, 110px); }
.steps { position: relative; margin-top: clamp(36px, 5vw, 60px); }
.steps__rail {
  position: absolute;
  left: 0; right: 0; top: 19px;
  height: 1px;
  background: var(--line-mist);
}
.steps__rail i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--mist-400), var(--mist-600));
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}
.steps__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 44px); }
.steps__list li { position: relative; padding-top: 0; }
.steps__num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 42px; height: 30px;
  padding: 0 12px;
  margin-bottom: 18px;
  border-radius: var(--r-pill);
  background: var(--paper);
  border: 1px solid var(--mist-300);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--ink-700);
  font-variant-numeric: tabular-nums;
}
.steps__list h3 { font-size: 1.1875rem; font-weight: 600; color: var(--ink-900); letter-spacing: -0.015em; }
.steps__list p { margin-top: 8px; font-size: var(--t-sm); line-height: 1.72; color: var(--ink-500); max-width: 32ch; }

/* ---------- 12. 团队 ---------- */
.team { padding-block: clamp(56px, 7vw, 96px); }
.team__grid { margin-top: clamp(32px, 4vw, 48px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 24px); }
.team__grid > li { min-width: 0; }
.member {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line-mist);
  box-shadow: var(--sh-1);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s;
}
.member:hover { transform: translateY(-3px); box-shadow: var(--sh-2); border-color: var(--mist-300); }
.member__photo {
  width: 88px; height: 88px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--mist-300);
  box-shadow: 0 0 0 5px rgba(208, 241, 243, 0.4);
  margin-bottom: 18px;
  background: var(--mist-100);
}
.member__photo img { width: 100%; height: 100%; object-fit: cover; }
.member__name { font-size: 1.0625rem; font-weight: 600; color: var(--ink-900); letter-spacing: -0.01em; }
.member__role { margin-top: 4px; font-size: var(--t-sm); color: var(--ink-500); line-height: 1.6; }

/* ---------- 13. 数据 ---------- */
.stats { padding-block: clamp(24px, 4vw, 48px); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-mist);
  border: 1px solid var(--line-mist);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-1);
}
.stats__grid li { background: var(--paper); padding: clamp(22px, 2.6vw, 34px); }
.stats__num {
  font-size: clamp(1.9rem, 3.2vw, 2.75rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}
.stats__num i { font-style: normal; font-size: 0.44em; font-weight: 500; color: var(--ink-400); margin-left: 3px; letter-spacing: 0; }
.stats__label { margin-top: 10px; font-size: var(--t-sm); color: var(--ink-500); line-height: 1.5; }

/* ---------- 14. 联系 ---------- */
.contact { padding-block: clamp(56px, 8vw, 110px); }
.contact__card {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: 36px;
  padding: clamp(44px, 6vw, 78px) clamp(22px, 4vw, 56px);
  background: linear-gradient(168deg, #eefafb 0%, var(--mist-200) 52%, #ffffff 100%);
  border: 1px solid #fff;
  box-shadow: var(--sh-2);
}
.contact__halo {
  position: absolute;
  left: 50%; top: -34%;
  width: 130%; aspect-ratio: 1.1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0) 62%);
  pointer-events: none;
}
.contact__card > *:not(.contact__halo) { position: relative; }
.contact__card .display { margin-top: 1rem; }
.contact__card .btn { margin-top: 2rem; }
.contact__note { margin-top: 1.2rem; font-size: var(--t-xs); color: var(--ink-500); }

/* ---------- 15. 页脚 ---------- */
.footer {
  border-top: 1px solid var(--line-mist);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #f7fcfd 100%);
  padding-block: clamp(36px, 5vw, 56px) 28px;
}
.footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__word { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.015em; color: var(--ink-900); }
.footer__slogan { margin-top: 3px; font-size: var(--t-xs); color: var(--ink-400); letter-spacing: 0.01em; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__nav a { font-size: var(--t-sm); color: var(--ink-500); transition: color 0.3s var(--ease-soft); }
.footer__nav a:hover { color: var(--ink-900); }
.footer__bottom {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--line-mist);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  font-size: var(--t-xs);
  color: var(--ink-400);
}
.footer__bottom a { color: var(--ink-500); }
.footer__bottom a:hover { color: var(--ink-900); }

.footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
}
.footer__mail { color: var(--ink-500); transition: color 0.3s var(--ease-soft); }
/* 署名：Design by Cloudream Labs */
.credit {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--t-xs);
  color: var(--ink-400);
}
.credit__mark {
  width: 12px; height: 12px;
  border-radius: 4px;
  background: linear-gradient(140deg, var(--mist-200), var(--mist-400));
  border: 1px solid var(--mist-300);
  box-shadow: 0 0 0 3px rgba(208, 241, 243, 0.35);
}
.credit a {
  color: var(--ink-600);
  font-weight: 500;
  border-bottom: 1px solid var(--mist-300);
  padding-bottom: 1px;
  transition: color 0.35s var(--ease-soft), border-color 0.35s var(--ease-soft);
}
.credit a:hover { color: var(--ink-900); border-color: var(--mist-600); }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1080px) {
  .arch__grid { grid-template-columns: 1fr; }
  .arch__notes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 0 clamp(16px, 2.4vw, 28px);
  }
  .arch__notes li { padding: 16px 0; }
}

@media (max-width: 1000px) {
  .nav__links { display: none; }
  .burger { display: inline-flex; }
  .nav__right .btn--mini { display: none; }

  .console__body { grid-template-columns: 1fr; }
  .console__col--chart { border-top: 1px solid var(--line-mist); padding-top: 18px; }
  .spark { margin-top: 14px; }

  .steps__rail { display: none; }
  .steps__list { grid-template-columns: 1fr; gap: 26px; }
  .steps__list li { padding-left: 0; }

  .team__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 720px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr; }
  .team__grid { grid-template-columns: 1fr; max-width: 420px; }
}

@media (max-width: 620px) {
  .arch__notes { grid-template-columns: 1fr; }
  .footer__meta { gap: 6px 14px; }
  .console__url { display: none; }
  .deploy li { grid-template-columns: 1fr auto; }
  .deploy__meta { display: none; }
  .footer__top { align-items: flex-start; }
}

/* ---------- 17. 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .js .display__line[data-reveal] > span { opacity: 1 !important; transform: none !important; }
  .marquee__track { animation: none !important; }
  .spark__line { stroke-dashoffset: 0 !important; }
  .spark__area { opacity: 1 !important; }
  .bars i { transform: scaleY(1) !important; }
  .console { transform: none !important; }
}