/* 词来官网：参考苹果产品页版式；每个场景一屏，右侧用产品界面做立体画面。色值与标志遵循词来 VI */
:root {
  --navy-950: #071429;
  --cyan-400: #66d9f1;
  --cyan-500: #3ca9ef;
  --indigo-500: #5374e9;
  --violet-400: #8b86ff;
  --mint-500: #36d4b2;
  --amber: #e8940c;
  --red: #e5484d;
  --ink: #071429;
  --ink-soft: #526b82;
  --ink-mute: #8496a9;
  --border: #dbe4ee;
  --gray: #f4f7fb;
  --white: #ffffff;
  --nav-h: 64px;
  --warm: #f3f1ee;           /* 与三维办公室墙面一致的暖白 */
  --link: #1a73b8;           /* 语境青加深，保证白底文字对比度 */
  --pill: #1a73b8;
  --pill-hover: #155f99;

  --font-sans: "PingFang SC", "SF Pro Display", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-code: "SFMono-Regular", "Cascadia Code", monospace;

  --text-hero: clamp(2.6rem, 1rem + 5.6vw, 5.4rem);
  --text-title: clamp(2rem, 1rem + 3.2vw, 3.4rem);
  --text-screen: clamp(1.9rem, 1rem + 2.4vw, 3.1rem);
  --text-lead: clamp(1.05rem, 0.95rem + 0.4vw, 1.3rem);
  --gutter: clamp(16px, 4vw, 48px);
  --tile-radius: 24px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 1px 2px rgba(7, 20, 41, 0.06), 0 18px 40px -18px rgba(7, 20, 41, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--white); color: var(--ink);
  font-family: var(--font-sans); font-size: 17px; line-height: 1.6;
  letter-spacing: 0.01em; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}

.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; }
.progress span { display: block; height: 100%; background: var(--link); transform-origin: left; transform: scaleX(0); }

/* 导航 */
/* 唯一一条吸顶导航：左侧标志，中间栏目，右侧 GitHub 与预约演示 */
.sitenav {
  position: sticky; top: 0; z-index: 30; height: var(--nav-h);
  background: rgba(243, 241, 238, 0.82); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(7, 20, 41, 0.08);
}
.sitenav-inner { max-width: 1240px; height: 100%; margin: 0 auto; padding: 0 clamp(24px, 4vw, 64px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.sitenav .brand img { height: 32px; width: auto; display: block; }
.sitenav nav { display: flex; gap: clamp(16px, 2.6vw, 36px); }
.sitenav nav a { color: rgba(7, 20, 41, 0.72); text-decoration: none; font-size: 13.5px; transition: color 0.2s; }
.sitenav nav a:hover { color: var(--ink); }
.sitenav-actions { display: flex; align-items: center; justify-content: flex-end; gap: 18px; }
.sitenav-actions .gh-link { color: rgba(7, 20, 41, 0.72); text-decoration: none; font-size: 13.5px; }
.sitenav-actions .gh-link:hover { color: var(--ink); }
.sitenav-actions .pill { padding: 6px 15px; font-size: 13.5px; }
.gh-link { display: inline-flex; align-items: center; gap: 5px; }

/* 按钮与链接 */
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--pill); color: #fff !important; opacity: 1 !important;
  padding: 4px 12px; border-radius: 980px; font-size: 12.5px; text-decoration: none; transition: background 0.2s;
}
.pill:hover { background: var(--pill-hover); }
.pill.big { padding: 11px 22px; font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 4px; color: var(--link); text-decoration: none; font-size: 17px; }
.text-link:hover { text-decoration: underline; }
.text-link.light { color: #8fd0ff; }
.chev { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* 首屏 */
.hero { background: var(--warm); text-align: center; padding: clamp(48px, 9vh, 96px) var(--gutter) clamp(64px, 10vh, 120px); overflow: hidden; }
.hero-inner { max-width: 980px; margin: 0 auto; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; margin: 0; font-size: clamp(1.2rem, 1rem + 0.8vw, 1.7rem); font-weight: 600; }
.hero-eyebrow img { width: 1.5em; height: 1.5em; }
.hero h1 { margin: 0.2em 0 0.25em; font-size: var(--text-hero); line-height: 1.08; font-weight: 700; }
.accent-line { color: var(--link); }
/* 行尾全角标点自带右侧留白，向右悬挂半个字，让整行在视觉上居中 */
.hang { margin-right: -0.5em; }
.lead { max-width: 620px; margin: 0 auto; font-size: var(--text-lead); color: var(--ink-soft); }
.hero-links { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 14px 32px; margin-top: 28px; }
.hero-links.left { justify-content: flex-start; }
/* 工作台首页截图：初始略向后仰，往下滚时立起来 */
.hero-shot { max-width: 1120px; margin: clamp(40px, 7vh, 72px) auto 0; perspective: 2200px; }
.hero-shot img {
  display: block; width: 100%; height: auto; border-radius: 14px;
  box-shadow: 0 0 0 1px rgba(7, 20, 41, 0.1), 0 60px 120px -50px rgba(52, 40, 24, 0.55), 0 24px 40px -30px rgba(7, 20, 41, 0.4);
  transform-origin: 50% 0; transform: rotateX(calc((1 - var(--t, 0)) * 16deg)) scale(calc(0.94 + var(--t, 0) * 0.06));
  will-change: transform;
}

/* 场景区：三维办公室做吸顶背景，章节与场景依次滚过 */
.scenes { position: relative; background: #f3f1ee; overflow: clip; isolation: isolate; }
#office-canvas {
  position: sticky; top: 0; display: block; width: 100%; height: 100vh; margin-bottom: -100vh;
  opacity: 0; transition: opacity 1.2s var(--ease-out);
}
body.office-ready #office-canvas { opacity: 1; }
.scenes::before {
  content: ""; position: sticky; top: 0; display: block; height: 100vh; margin-bottom: -100vh; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(247, 245, 241, 0.97) 0%, rgba(247, 245, 241, 0.93) 36%, rgba(247, 245, 241, 0.55) 50%, rgba(247, 245, 241, 0) 62%);
}
.scenes > section { position: relative; z-index: 2; }
.sticky { position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h)); display: flex; align-items: center; }
.fade { opacity: var(--e, 0); transform: translateY(calc((1 - var(--e, 0)) * 28px)); will-change: opacity, transform; }

.chapter { height: 150vh; }
/* 章节屏：与场景屏同样左对齐、压在左侧浅色衬底上；下方是带编号的场景目录 */
.chapter-copy { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 clamp(24px, 4vw, 64px); }
.chapter-copy > * { max-width: 580px; }
.chapter-copy h2 { margin: 0.15em 0 0.25em; font-size: clamp(3rem, 1.6rem + 4.4vw, 5.6rem); line-height: 1.02; font-weight: 700; letter-spacing: -0.015em; }
.chapter-lead { margin: 0; font-size: var(--text-lead); color: var(--ink-soft); }
.chapter-links { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 28px; }
/* 场景目录：纯文字，每项上方一条细线，编号在上、场景名在下 */
.chapter-links a { position: relative; display: grid; gap: 6px; padding: 16px 22px 20px 0; border-top: 1px solid rgba(7, 20, 41, 0.16); color: var(--ink); text-decoration: none; transition: border-color 0.25s; }
.chapter-links em { font-style: normal; font-size: 12px; letter-spacing: 0.08em; font-variant-numeric: tabular-nums; color: var(--ink-mute); }
.chapter-links b { font-size: 18px; font-weight: 600; white-space: nowrap; }
.chapter-links .chev { position: absolute; right: 0; top: 18px; color: var(--ink-mute); transition: transform 0.25s var(--ease-out), color 0.25s; }
.chapter-links a:hover { border-color: var(--link); }
.chapter-links a:hover b, .chapter-links a:hover .chev { color: var(--link); }
.chapter-links a:hover .chev { transform: translateX(3px); }

.screen { height: 190vh; scroll-margin-top: 0; }
.screen-inner { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 clamp(24px, 4vw, 64px); display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
.scene-name { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: 0.04em; color: var(--link); }
/* 场景文字：小标签、标题、以前的麻烦（左侧细线引述），三条卖点放在一张磨砂卡片里 */
.screen .scene-name {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 10px; border-radius: 999px;
  background: rgba(26, 115, 184, 0.09); font-size: 13px; letter-spacing: 0.02em;
}
.screen .scene-name::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--link); }
.screen h2 { margin: 18px 0 16px; max-width: 13em; font-size: clamp(1.8rem, 0.9rem + 2vw, 2.7rem); line-height: 1.18; font-weight: 700; letter-spacing: -0.01em; }
.detail { margin: 0; color: var(--ink-soft); font-size: 15.5px; line-height: 1.7; max-width: 30em; }
.screen .detail { padding-left: 14px; border-left: 2px solid rgba(7, 20, 41, 0.14); }
.how { list-style: none; margin: 30px 0 0; padding: 0; max-width: 27em; border-top: 1px solid rgba(7, 20, 41, 0.16); }
/* 卖点：纯文字排版，左侧短标题、右侧一句说明，细线分隔 */
.how li { display: grid; grid-template-columns: 7.2em 1fr; gap: 18px; align-items: baseline; padding: 15px 0; border-bottom: 1px solid rgba(7, 20, 41, 0.09); }
.how b { font-size: 16px; font-weight: 600; letter-spacing: 0.01em; color: var(--ink); }
.how span { font-size: 15px; line-height: 1.6; color: var(--ink-soft); }

/* 立体画面：景深容器 + 可随鼠标转动的支架，层按 --d 拉开前后距离 */
.stage3d { perspective: 1800px; height: clamp(360px, 56vh, 540px); position: relative; }
.rig {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transform: rotateX(calc(8deg + var(--rx, 0deg))) rotateY(calc(-14deg + var(--ry, 0deg)));
  transition: transform 0.6s var(--ease-out);
}
.layer {
  position: absolute; transform-style: preserve-3d;
  opacity: var(--e, 0);
  transform: translateZ(calc(var(--d, 0) * 50px - (1 - var(--e, 0)) * 160px)) translateY(calc((1 - var(--e, 0)) * 36px));
  will-change: opacity, transform;
}

.window { margin: 0; left: 0; top: 4%; width: 82%; border-radius: 12px; overflow: hidden; background: #0f141c; box-shadow: 0 50px 90px -30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.12); }
.window-bar { height: 22px; display: flex; gap: 6px; align-items: center; padding: 0 10px; background: #1a212c; }
.window-bar i { width: 9px; height: 9px; border-radius: 50%; background: #3a4352; }
.window img { width: 100%; display: block; }

.card {
  background: rgba(255, 255, 255, 0.9); border-radius: 18px; padding: 16px 18px;
  backdrop-filter: blur(24px) saturate(160%); -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 30px 60px -24px rgba(0, 0, 0, 0.55); border: 1px solid rgba(255, 255, 255, 0.5);
  width: 300px; font-size: 14px; line-height: 1.5;
}
.card.small { width: 220px; }
.card.wide { width: 460px; }
.card p { margin: 0; }
.card-title { font-weight: 600; font-size: 14px; margin-bottom: 10px !important; color: var(--ink); }
.muted { color: var(--ink-mute); font-size: 13px; }
.rows { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rows li { display: flex; align-items: center; gap: 8px; }
.rows b { font-weight: 500; }
.rows .due { margin-left: auto; font-size: 12px; color: var(--ink-soft); white-space: nowrap; }
.rows .due.tag { color: #fff; background: var(--indigo-500); padding: 1px 8px; border-radius: 980px; }
.avatar { flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 10px; font-weight: 600; color: #fff; background: var(--c); }
.ic { flex: none; width: 16px; height: 16px; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic.ok { stroke: var(--mint-500); }
.ic.warn { stroke: var(--amber); }
.ic.off { stroke: var(--ink-mute); }
.chips { display: flex; gap: 6px; margin-top: 10px; }
.chips span { font-size: 12px; padding: 2px 10px; border-radius: 980px; background: var(--gray); color: var(--ink-soft); }
.big-num { font-size: 34px; font-weight: 700; line-height: 1.1; }
.big-num small { font-size: 15px; font-weight: 500; color: var(--ink-soft); }
.map { width: 100%; border-collapse: collapse; font-size: 13px; }
.map td { padding: 5px 0; border-bottom: 1px solid var(--border); }
.map td:first-child { color: var(--ink-mute); width: 5em; }
.map tr.hl td { border-bottom: 0; color: var(--ink); font-weight: 600; padding-top: 8px; }
.wave {
  height: 34px; margin-bottom: 8px; border-radius: 4px;
  background: repeating-linear-gradient(90deg, var(--cyan-500) 0 2px, transparent 2px 5px);
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 50% 50%, #000 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 60% 100% at 50% 50%, #000 40%, transparent 100%);
}
.doc-lines { display: grid; gap: 7px; margin: 4px 0 12px; }
.doc-lines i { height: 6px; border-radius: 3px; background: #e3eaf2; }
.doc-lines i:nth-child(3n) { width: 70%; }
.doc-lines.dense { gap: 9px; }
.doc-lines i.flag.r { background: rgba(229, 72, 77, 0.35); }
.doc-lines i.flag.a { background: rgba(232, 148, 12, 0.35); }
.esg-line { padding: 6px 0; border-bottom: 1px solid var(--border); }
.esg-line sup { color: var(--link); font-size: 10px; margin-left: 2px; }
.foot { margin-top: 8px !important; }
.flagcard { border-left: 4px solid var(--red); }
.flagcard.a { border-left-color: var(--amber); }
.chart { width: 100%; height: 120px; display: block; margin-bottom: 8px; }
.chart .grid { stroke: var(--border); stroke-width: 1; fill: none; }
.chart .limit { stroke: var(--red); stroke-width: 1.5; stroke-dasharray: 5 4; fill: none; }
.chart .line { stroke: var(--link); stroke-width: 2.5; fill: none; }
.chart circle { fill: var(--red); }
.heat {
  height: 150px; border-radius: 10px; margin-bottom: 4px;
  background:
    radial-gradient(circle at 62% 40%, rgba(229, 72, 77, 0.85), transparent 22%),
    radial-gradient(ellipse 40% 30% at 70% 35%, rgba(232, 148, 12, 0.7), transparent 70%),
    radial-gradient(ellipse 60% 50% at 60% 45%, rgba(60, 169, 239, 0.45), transparent 75%),
    repeating-linear-gradient(0deg, #eef3f8 0 13px, #e6edf4 13px 14px),
    repeating-linear-gradient(90deg, transparent 0 13px, #e6edf4 13px 14px);
}
.wind { position: absolute; right: 26px; top: 46px; width: 34px; height: 34px; fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.page { left: 0; top: 2%; width: 62%; height: 92%; background: #fff; border-radius: 6px; padding: 22px; box-shadow: 0 40px 80px -30px rgba(7, 20, 41, 0.45), 0 0 0 1px rgba(7, 20, 41, 0.06); }
.page-title { margin: 0 0 16px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.phone { left: 4%; top: 2%; width: 210px; height: 420px; border-radius: 34px; background: #111821; padding: 10px; box-shadow: 0 40px 80px -30px rgba(7, 20, 41, 0.55); }
.phone-screen { height: 100%; border-radius: 26px; overflow: hidden; background: #dfe8f1; display: flex; flex-direction: column; }
.phone-screen .photo { flex: 1; background: linear-gradient(180deg, #c9d6e3 0 56%, #9fb0c2 56% 62%, #c3cfdb 62%); position: relative; }
.phone-screen .photo::after { content: ""; position: absolute; left: 30%; top: 44%; width: 70px; height: 70px; border: 3px solid var(--amber); border-radius: 6px; }
.phone-screen p { margin: 0; padding: 10px; font-size: 12px; color: var(--ink-soft); background: #fff; }

/* 各场景的层位 */
.v-meeting .c1 { right: 0; top: 0; }
.v-meeting .c2 { right: 4%; bottom: 0; width: 330px; }
.v-docs .c1 { right: 0; top: 34%; width: 320px; }
.v-docs .c2 { right: 12%; top: 2%; }
.v-data .c0 { left: 0; top: 4%; }
.v-data .c1 { right: 0; top: 30%; }
.v-data .c2 { left: 8%; bottom: 2%; }
.v-field .c1 { right: 0; top: 10%; width: 320px; }
.v-field .c2 { right: 8%; bottom: 6%; }
.v-regulation .c0 { left: 0; top: 2%; width: 280px; }
.v-regulation .c1 { right: 0; top: 18%; width: 320px; }
.v-regulation .c2 { left: 10%; bottom: 4%; }
.v-archive .c0 { left: 6%; top: 8%; width: 380px; }
.v-archive .c1 { right: 0; bottom: 6%; }
.v-report .c1 { right: 0; top: 20%; }
.v-report .c2 { right: 6%; bottom: 8%; }
.v-rto .c0 { left: 0; top: 6%; }
.v-rto .c1 { right: 0; bottom: 8%; }
.v-air .c0 { left: 0; top: 4%; }
.v-air .c1 { right: 0; bottom: 6%; }
.v-esg .c0 { left: 0; top: 4%; width: 400px; }
.v-esg .c1 { right: 0; bottom: 6%; }

/* 信息区块 */
.block { padding: clamp(80px, 13vh, 130px) var(--gutter); }
.block.gray { background: var(--gray); }
.block.white { background: var(--white); }
.block-inner { max-width: 1080px; margin: 0 auto; }
.block-inner.center { text-align: center; }
.section-title { margin: 0 0 0.4em; font-size: var(--text-title); line-height: 1.12; font-weight: 700; }
.section-lead { max-width: 720px; margin: 0; font-size: var(--text-lead); color: var(--ink-soft); }
.section-lead.center { margin: 0 auto; }
.fineprint { margin-top: 28px; font-size: 12px; color: var(--ink-mute); }

.bento { display: grid; gap: 16px; margin-top: 40px; }
.bento.three { grid-template-columns: repeat(3, 1fr); }
.bento.four { grid-template-columns: repeat(4, 1fr); }
.bento.rules { margin-top: 16px; }
.bento.coop { grid-template-columns: repeat(4, 1fr); }
.bento.os { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
.block .tile { border-radius: var(--tile-radius); padding: clamp(22px, 2.6vw, 34px); }
.block.gray .tile { background: var(--white); }
.block.white .tile { background: var(--gray); }
.block .tile h3 { margin: 0 0 8px; font-size: clamp(1.1rem, 1rem + 0.4vw, 1.35rem); font-weight: 700; }
.block .tile p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* 工作台截图 */
.wb-shots { display: grid; justify-items: center; gap: 22px; margin-top: 40px; }
.segmented { display: inline-flex; padding: 3px; border-radius: 980px; background: rgba(7, 20, 41, 0.07); }
.segmented button { border: 0; background: transparent; font: inherit; font-size: 14px; color: var(--ink-soft); padding: 7px 22px; border-radius: 980px; cursor: pointer; transition: background 0.25s, color 0.25s; }
.segmented button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 2px 8px -2px rgba(7, 20, 41, 0.25); }
.segmented button:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.wb-frame { margin: 0; width: 100%; border-radius: 18px; overflow: hidden; background: #0f141c; box-shadow: 0 50px 100px -40px rgba(7, 20, 41, 0.5); }
.wb-frame img { width: 100%; height: auto; display: block; transition: opacity 0.3s; }
.wb-frame img.swapping { opacity: 0; }
.wb-note { margin: 0; font-size: 12px; color: var(--ink-mute); }

/* 开源 */
.tile.dark { background: var(--navy-950) !important; color: #f5faff; }
.os-card-head { display: flex; align-items: center; gap: 10px; font-family: var(--font-code); }
.tile.dark code { display: block; margin: 20px 0 6px; padding: 12px 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.08); font-family: var(--font-code); font-size: 13px; overflow-x: auto; white-space: nowrap; }
.tile.dark .hero-links { margin-top: 18px; }
.tile.stat b { display: block; font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.9rem); line-height: 1.2; margin-bottom: 6px; color: var(--ink); }
.tile.stat span { color: var(--ink-soft); font-size: 14px; }

/* 场景导航：只在场景区出现 */
.scene-nav {
  position: fixed; right: clamp(10px, 1.4vw, 20px); top: 50%; transform: translateY(-50%);
  z-index: 20; display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: 6px 3px; border-radius: 980px; background: rgba(255, 255, 255, 0.55); backdrop-filter: blur(12px);
  opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
body.in-scenes .scene-nav { opacity: 1; pointer-events: auto; }
/* 两组场景之间的短分割线 */
.scene-nav .nav-sep { width: 8px; height: 1px; margin: 4px 0; background: rgba(7, 20, 41, 0.22); }
/* 点击区域 14px，可见圆点 5px */
.scene-nav a { position: relative; display: grid; place-items: center; width: 14px; height: 14px; }
.scene-nav a::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: rgba(7, 20, 41, 0.22); transition: transform 0.25s var(--ease-out), background 0.25s; }
.scene-nav a:hover::before { background: var(--ink-soft); }
.scene-nav a.active::before { background: var(--ink); transform: scale(1.4); }
.scene-nav a::after {
  content: attr(data-tip); position: absolute; right: 22px; top: 50%; transform: translate(6px, -50%);
  white-space: nowrap; font-size: 12px; color: var(--ink); background: #fff; padding: 2px 10px; border-radius: 980px;
  opacity: 0; pointer-events: none; transition: all 0.2s var(--ease-out); box-shadow: 0 6px 16px -8px rgba(7, 20, 41, 0.3);
}
.scene-nav a:hover::after, .scene-nav a:focus-visible::after { opacity: 1; transform: translate(0, -50%); }

.footer { background: var(--gray); border-top: 1px solid var(--border); }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 22px var(--gutter); display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; font-size: 12px; color: var(--ink-soft); }
.footer-inner img { height: 20px; width: auto; }
.footer-inner a { color: var(--link); }

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

@media (max-width: 1060px) {
  .sitenav nav { display: none; }
  .screen-inner { grid-template-columns: 1fr; }
  .scenes::before { background: linear-gradient(180deg, rgba(247, 245, 241, 0.92) 0%, rgba(247, 245, 241, 0.75) 50%, rgba(247, 245, 241, 0.2) 100%); }
  .screen .sticky { align-items: flex-start; padding-top: 24px; overflow: hidden; }
  .screen-inner { gap: 16px; }
  .stage3d { height: 460px; max-width: 640px; width: 100%; margin: 0 auto; }
  .bento.four, .bento.coop, .bento.os { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .scene-nav, .gh-link span { display: none; }
  .scene-index { grid-template-columns: 1fr; }
  .screen-inner { padding: 0 20px; }
  .scene-index li { grid-template-columns: 1fr; gap: 2px; }
  .bento.three, .bento.four, .bento.coop, .bento.os { grid-template-columns: 1fr; }
  /* 窄屏：画面整体缩小，转角减小 */
  .screen { height: 260vh; }
  .chapter-copy { padding: 0 20px; }
  .chapter-links { grid-template-columns: 1fr 1fr; }
  .stage3d { height: 330px; overflow: hidden; }
  .rig { inset: 0 auto auto 0; width: 560px; height: 460px; transform: scale(0.6) rotateX(6deg) rotateY(-8deg); transform-origin: left top; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation: none !important; }
}


/* 更多行业和应用正在接入：纯文字排版，大标题、一句引言、三条横排要点 */
.more { padding: clamp(110px, 18vh, 180px) var(--gutter) clamp(90px, 14vh, 140px); background: var(--white); }
.more-title { margin: 14px 0 22px; font-size: clamp(2.6rem, 1.2rem + 4.4vw, 5rem); line-height: 1.06; font-weight: 700; letter-spacing: -0.015em; }
.more-lead { margin: 0; max-width: 34em; font-size: var(--text-lead); color: var(--ink-soft); }
.more-points { list-style: none; padding: 0; margin: 56px 0 40px; display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 36px; }
.more-points li { display: grid; gap: 8px; padding-top: 18px; border-top: 1px solid rgba(7, 20, 41, 0.18); }
.more-points b { font-size: 18px; font-weight: 600; }
.more-points span { font-size: 15px; line-height: 1.65; color: var(--ink-soft); }
@media (max-width: 760px) { .more-points { grid-template-columns: 1fr; row-gap: 22px; } }

/* 产品矩阵：三层平台，每层是真实的产品模块；滚入时逐个浮现 */
.stack { padding: clamp(90px, 14vh, 140px) var(--gutter); background: var(--warm); }
.tiers { position: relative; display: grid; gap: 18px; margin-top: 48px; }
.tier { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: stretch; }
.tier-name { margin: 0; padding-top: 30px; font-size: 14px; font-weight: 600; color: var(--c); display: flex; gap: 10px; align-items: baseline; }
.tier-name::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c); flex: none; transform: translateY(-1px); }
.t1 { --c: #12a586; --tint: rgba(54, 212, 178, 0.10); }
.t2 { --c: #1a73b8; --tint: rgba(60, 169, 239, 0.10); }
.t3 { --c: #4a63d6; --tint: rgba(83, 116, 233, 0.10); }
.tier-body {
  display: grid; grid-template-columns: 1.55fr 1fr; gap: 14px; padding: 14px; border-radius: 26px;
  background: var(--tint); box-shadow: inset 0 0 0 1px rgba(7, 20, 41, 0.05);
}
.tier-body.two { grid-template-columns: 1.55fr 1fr; }
.mod {
  position: relative; display: grid; align-content: start; gap: 4px; padding: 20px 22px; border-radius: 18px;
  background: var(--white); box-shadow: 0 0 0 1px rgba(7, 20, 41, 0.05), 0 18px 36px -26px rgba(52, 40, 24, 0.45);
}
.mod b { font-size: 17px; font-weight: 600; }
.mod span { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.tile-ic { width: 34px; height: 34px; padding: 7px; border-radius: 10px; background: var(--tint); stroke: var(--c); fill: none; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 8px; }
.hero-mod { grid-template-columns: 1fr; padding: 10px 10px 18px; }
.mod-shot { border-radius: 12px; overflow: hidden; aspect-ratio: 16 / 8.2; background: #14181d; }
.mod-shot img { width: 100%; height: 100%; object-fit: cover; object-position: left top; display: block; }
.hero-mod .mod-text { padding: 10px 10px 0; display: grid; gap: 4px; }
.apps-mod .mod-text { display: grid; gap: 4px; margin-bottom: 12px; }
.app-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.app-grid li { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: var(--ink); }
.app-shot { display: block; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; background: #eef1f4; box-shadow: 0 0 0 1px rgba(7, 20, 41, 0.08); }
.app-shot img { width: 100%; height: 100%; object-fit: cover; object-position: left top; display: block; }
/* 治理底座：能力清单，四列 */
.tier-body.caps { grid-template-columns: 1fr; }
.cap-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 12px; }
.tier-body.stacked { grid-template-columns: 1fr; }
.apps-mod .app-grid { grid-template-columns: repeat(6, 1fr); }
.cap-grid li {
  display: grid; align-content: start; gap: 3px; padding: 18px 18px 20px; border-radius: 16px; background: var(--white);
  box-shadow: 0 0 0 1px rgba(7, 20, 41, 0.05), 0 14px 30px -24px rgba(52, 40, 24, 0.45);
}
.cap-grid b { font-size: 16px; font-weight: 600; }
.cap-grid span { font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); transition-delay: var(--delay, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* 预约演示联系卡片 */
.contact-dialog {
  width: min(520px, calc(100vw - 32px)); padding: 0; border: 0; border-radius: 24px; color: var(--ink);
  background: var(--white); box-shadow: 0 40px 80px -30px rgba(7, 20, 41, 0.45);
}
.contact-dialog::backdrop { background: rgba(7, 20, 41, 0.32); backdrop-filter: blur(6px); }
.contact-dialog[open] { animation: dialog-in 0.35s var(--ease-out); }
@keyframes dialog-in { from { opacity: 0; transform: translateY(16px) scale(0.98); } }
.contact-form { position: relative; display: grid; gap: 14px; padding: 32px 32px 26px; }
.contact-form h2 { margin: 0; font-size: 26px; }
.dialog-lead { margin: -4px 0 6px; font-size: 14.5px; color: var(--ink-soft); }
.contact-form label { display: grid; gap: 6px; font-size: 13.5px; font-weight: 600; }
.contact-form .optional { font-weight: 400; color: var(--ink-mute); margin-left: 6px; }
.contact-form label:has(.optional) { grid-template-columns: auto 1fr; }
.contact-form label:has(.optional) textarea { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea {
  font: inherit; font-size: 15px; font-weight: 400; color: var(--ink); padding: 11px 14px; border-radius: 12px;
  border: 1px solid #d9dfe6; background: #fafbfc; transition: border-color 0.2s, box-shadow 0.2s; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--link); box-shadow: 0 0 0 4px rgba(26, 115, 184, 0.14); background: #fff; }
.contact-form input[aria-invalid="true"] { border-color: var(--red); }
.form-error { margin: 0; font-size: 13.5px; color: var(--red); }
.contact-form .submit { justify-self: stretch; margin-top: 4px; border: 0; cursor: pointer; font-family: inherit; }
.dialog-note { margin: 0; font-size: 12.5px; color: var(--ink-mute); text-align: center; }
.dialog-close { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #f0f2f5; cursor: pointer; display: grid; place-items: center; }
.dialog-close:hover { background: #e4e8ed; }
.dialog-close svg { width: 14px; height: 14px; stroke: var(--ink); stroke-width: 1.8; stroke-linecap: round; }
button.pill { border: 0; cursor: pointer; font-family: inherit; }
.footer-link { border: 0; background: none; padding: 0; font: inherit; font-size: 12px; color: var(--link); cursor: pointer; }
.footer-link:hover { text-decoration: underline; }

/* 使用规矩：一行四列，细线分隔 */
.rules { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: r; }
.rules li { border-top: 2px solid var(--ink); padding-top: 18px; display: grid; gap: 8px; }
.rules b { font-size: 19px; }
.rules span { color: var(--ink-soft); font-size: 15px; line-height: 1.65; }
@media (max-width: 1060px) { .rules { grid-template-columns: 1fr 1fr; } .tier-body, .tier-body.two { grid-template-columns: 1fr; } .cap-grid { grid-template-columns: repeat(2, 1fr); } .apps-mod .app-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) {
  .rules { grid-template-columns: 1fr; }
  .tier { grid-template-columns: 1fr; gap: 8px; }
  .tier-name { padding-top: 0; }
  .tier-body, .tier-body.two { grid-template-columns: 1fr; }
  .app-grid, .apps-mod .app-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 屏幕上已显示真实页面的场景，卡片放到画面下方，不挡屏幕 */
.v-capture .c1, .v-board .c1, .v-chat .c1, .v-apps .c1, .v-archive .c0, .v-report .c1, .v-rto .c1, .v-esg .c1, .v-regulation .c1, .v-air .c1 { top: auto; bottom: -4%; right: 0; left: auto; }
.v-capture .c2, .v-board .c2, .v-chat .c2, .v-apps .c2, .v-report .c2, .v-rto .c0 { top: auto; bottom: -6%; left: 0; right: auto; }
.v-rto .c0 { width: 300px; }
.v-archive .c0 { width: 330px; }
/* 会议采集：三维手机在画面中部，待确认卡片放在手机右侧，不挡手机 */
.v-capture .c1 { top: 36%; bottom: auto; right: -9%; }