/* CallWan 宣讲幻灯片 · 1920×1080 舞台 */
@font-face { font-family: 'PaperMono'; src: url(../fonts/PaperMono-VF.woff2) format('woff2'); font-weight: 100 800; font-display: block; }
:root {
  --bg: #05070c; --text: #eef1f7; --text2: #c3c9d6; --mute: #7f889c; --line: rgba(255,255,255,.1); --line2: rgba(255,255,255,.18);
  --grad: linear-gradient(100deg, #6fd8ff 0%, #4d8bff 45%, #a58bff 100%);
  --cyan: #01bcff; --violet: #7e57f7; --volt: #ff7a3d; --ok: #3ddc97;
  --paper: #f3f2ee; --ink: #121317; --pmute: #6c6d76; --blue: #3b5bdb; --pline: rgba(59,91,219,.2);
  --sans: 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif;
  --pm: 'PaperMono', 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; transition: background .9s var(--ease); cursor: default; }
body[data-theme="paper"] { background: var(--paper); }
body.hide-cursor { cursor: none; }
img, video { display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.pm { font-family: var(--pm); font-feature-settings: "zero" 1; }
.g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.b { color: var(--blue); }

#gl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0; transition: opacity 1s var(--ease); pointer-events: none; }
#gl.on { opacity: 1; }
.grain { position: fixed; inset: -50%; z-index: 50; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .5  0 0 0 0 .5  0 0 0 0 .5  0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1s steps(5) infinite; }
@keyframes grain { 0% { transform: translate(0,0) } 25% { transform: translate(-3%,2%) } 50% { transform: translate(2%,-3%) } 75% { transform: translate(-2%,-1%) } 100% { transform: translate(0,0) } }

.viewport { position: fixed; inset: 0; z-index: 1; overflow: hidden; }
.stage { position: absolute; left: 50%; top: 50%; width: 1920px; height: 1080px; transform-origin: 50% 50%; overflow: hidden; }

/* 框架 */
.chrome { position: absolute; inset: 0; z-index: 30; pointer-events: none; color: var(--mute); transition: color .8s; }
body[data-theme="paper"] .chrome { color: var(--pmute); }
.chrome__logo { position: absolute; left: 96px; top: 64px; height: 28px; transition: opacity .6s; }
.chrome__logo--p { opacity: 0; }
body[data-theme="paper"] .chrome__logo--d { opacity: 0; }
body[data-theme="paper"] .chrome__logo--p { opacity: 1; }
.chrome__tr { position: absolute; right: 96px; top: 70px; font-size: 14px; letter-spacing: .12em; }
.chrome__bl { position: absolute; left: 96px; bottom: 60px; font-size: 15px; letter-spacing: .1em; }
.chrome__bl b { color: var(--text); font-weight: 500; transition: color .8s; }
body[data-theme="paper"] .chrome__bl b { color: var(--ink); }
.chrome__bl i { font-style: normal; margin-left: 22px; }
.chrome__br { position: absolute; right: 96px; bottom: 64px; }
.ticks { display: flex; gap: 6px; }
.ticks i { width: 14px; height: 3px; background: currentColor; opacity: .25; transition: opacity .4s, width .5s var(--ease), background .4s; }
.ticks i.on { opacity: 1; width: 34px; background: var(--cyan); }
body[data-theme="paper"] .ticks i.on { background: var(--blue); }
.crop { position: absolute; width: 22px; height: 22px; border-color: currentColor; border-style: solid; opacity: .5; }
.crop--tl { left: 40px; top: 40px; border-width: 1px 0 0 1px; } .crop--tr { right: 40px; top: 40px; border-width: 1px 1px 0 0; }
.crop--bl { left: 40px; bottom: 40px; border-width: 0 0 1px 1px; } .crop--br { right: 40px; bottom: 40px; border-width: 0 1px 1px 0; }

/* 幻灯片 */
.slide { position: absolute; inset: 0; padding: 170px 120px 140px; opacity: 0; visibility: hidden; }
.slide.is-active { opacity: 1; visibility: visible; z-index: 2; }
.slide[data-theme="paper"] { color: var(--ink); background-color: var(--paper);
  background-image: linear-gradient(var(--pline) 1px, transparent 1px), linear-gradient(90deg, var(--pline) 1px, transparent 1px);
  background-size: 96px 96px; background-position: -1px 71px; }
.slide[data-theme="dark"]:not([data-gl]) { background-image: linear-gradient(rgba(120,150,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(120,150,255,.05) 1px, transparent 1px); background-size: 96px 96px; background-position: -1px 71px; }
.notes { display: none; }
[data-step] { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .9s var(--ease); }
[data-step].on { opacity: 1; transform: none; }

.label { font-size: 16px; letter-spacing: .22em; text-transform: uppercase; color: var(--mute); }
.slide[data-theme="paper"] .label { color: var(--blue); }
.h { margin-top: 26px; font: 900 112px/1.06 var(--sans); letter-spacing: -.045em; }
.h--sm { font-size: 84px; }
.h--xl { font-size: 136px; }
.h--ink { color: var(--ink); font-size: 92px; }
.ln { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.ln .w { display: inline-block; }
.lede { margin-top: 30px; font-size: 30px; line-height: 1.6; color: var(--text2); }
.note { position: absolute; left: 120px; bottom: 112px; font-size: 14px; letter-spacing: .08em; color: var(--mute); }
.slide[data-theme="paper"] .note { color: var(--pmute); }
.metric { position: absolute; font-size: 13px; color: rgba(120,150,255,.55); letter-spacing: .1em; }

/* 01 封面 */
.s-cover { padding: 0; }
.cover__meta { position: absolute; left: 120px; top: 236px; display: flex; gap: 48px; font-size: 16px; letter-spacing: .16em; color: var(--mute); }
.cover__word { position: absolute; left: 108px; top: 310px; font-size: 248px; font-weight: 200; letter-spacing: -.06em; line-height: 1; }
.cover__cn { position: absolute; left: 124px; top: 640px; font: 900 76px/1.1 var(--sans); letter-spacing: -.04em; }
.cover__sub { position: absolute; left: 126px; top: 752px; font-size: 22px; color: var(--text2); font-weight: 300; }
.cover__foot { position: absolute; left: 126px; right: 120px; bottom: 140px; display: flex; justify-content: space-between; font-size: 15px; letter-spacing: .1em; color: var(--mute); border-top: 1px solid var(--line); padding-top: 22px; }

/* 02 开场 */
.s-hook { display: flex; flex-direction: column; justify-content: center; padding-top: 120px; }
.type { font: 900 152px/1.08 var(--sans); letter-spacing: -.05em; white-space: nowrap; min-height: 1.08em; }
.type .ch { display: none; }
.type .g-ch { background: var(--grad); background-repeat: no-repeat; -webkit-background-clip: text; background-clip: text; color: transparent; }
.caret { display: inline-block; width: 9px; height: 132px; margin-left: 14px; vertical-align: -14px; background: var(--cyan); box-shadow: 0 0 30px rgba(1,188,255,.8); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hook__en { margin-top: 44px; font-size: 40px; font-weight: 200; color: var(--text2); letter-spacing: -.01em; }

/* 03 活太多 */
.grind__l { position: relative; z-index: 2; }
.grind__n { margin-top: 90px; }
.grind__n b { display: block; font-size: 300px; font-weight: 100; line-height: .9; letter-spacing: -.06em; }
.grind__n span { display: block; margin-top: 18px; font-size: 16px; letter-spacing: .14em; color: var(--mute); }
.grind__chips { position: absolute; left: 860px; right: 80px; top: 150px; bottom: 120px; }
.chip { position: absolute; display: flex; align-items: center; gap: 14px; padding: 15px 22px 15px 15px; border-radius: 16px; background: rgba(14,18,28,.92); border: 1px solid var(--line2); box-shadow: 0 20px 50px rgba(0,0,0,.5); white-space: nowrap; opacity: 0; }
.chip .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font: 900 18px var(--sans); color: #fff; }
.chip .t { font: 700 26px var(--sans); }
.chip .s { font: 400 13px var(--pm); color: var(--mute); letter-spacing: .08em; }
.chip .bd { min-width: 30px; height: 30px; padding: 0 9px; border-radius: 15px; background: #ff4d3a; font: 600 15px/30px var(--pm); color: #fff; text-align: center; }

/* 04 一个入口 */
.s-entry { padding: 0; }
.entry__logo { position: absolute; left: 50%; top: 430px; width: 520px; transform: translateX(-50%); filter: drop-shadow(0 0 60px rgba(77,139,255,.5)); }
.entry__txt { position: absolute; left: 120px; bottom: 150px; }
.entry__txt .h { font-size: 88px; }
.entry__legend { position: absolute; right: 120px; bottom: 156px; font-size: 15px; letter-spacing: .16em; color: var(--mute); }

/* 05 价值 */
.spec { display: grid; grid-template-columns: 1fr 1.25fr 1.25fr; margin-top: 70px; border-top: 1px solid var(--ink); }
.spec__c { padding: 36px 40px 0 0; border-right: 1px solid var(--pline); }
.spec__c + .spec__c { padding-left: 40px; }
.spec__c:last-child { border-right: 0; }
.spec__k { display: block; font-size: 15px; letter-spacing: .14em; color: var(--blue); }
.spec__goal b { display: block; margin-top: 30px; font: 900 64px/1.15 var(--sans); letter-spacing: -.04em; }
.spec__goal p { margin-top: 26px; font-size: 24px; line-height: 1.6; color: var(--pmute); }
.spec__list { list-style: none; margin-top: 22px; }
.spec__list li { display: grid; grid-template-columns: 44px 150px 1fr; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--pline); }
.spec__list i { font-style: normal; font-size: 18px; color: var(--blue); }
.spec__list b { font: 900 28px var(--sans); }
.spec__list span { font-size: 20px; color: var(--pmute); }

/* 06 架构 */
.arch { margin-top: 56px; display: flex; flex-direction: column; gap: 12px; }
.arch__r { display: flex; gap: 10px; }
.arch__r b { flex: none; width: 190px; display: grid; place-items: center; height: 78px; border-radius: 12px; background: rgba(255,255,255,.06); border: 1px solid var(--line2); font-size: 16px; font-weight: 500; letter-spacing: .14em; }
.arch__r span { flex: 1; display: grid; place-items: center; height: 78px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,.02); font: 500 21px var(--sans); color: var(--text2); text-align: center; padding: 0 10px; }
.arch__r--hi b { background: linear-gradient(120deg, #0c5ce8, #7e57f7); border-color: transparent; }
.arch__r--hi span { border-color: rgba(111,216,255,.4); background: rgba(77,139,255,.1); color: var(--text); font-weight: 700; }
.arch__r--cloud span { border-style: dashed; }

/* 07 Agent */
.s-agent { display: grid; grid-template-columns: 560px 1fr; gap: 60px; align-items: start; }
.s-agent .h { font-size: 92px; }
.asteps { list-style: none; margin-top: 50px; }
.asteps li { display: flex; gap: 22px; align-items: baseline; padding: 18px 0; border-top: 1px solid var(--line); opacity: .28; transition: opacity .5s; }
.asteps li.on { opacity: 1; }
.asteps i { font-style: normal; font-size: 20px; color: var(--cyan); }
.asteps b { font: 700 30px var(--sans); }
.astats { list-style: none; display: flex; gap: 52px; margin-top: 50px; }
.astats b { display: block; font-size: 84px; font-weight: 200; line-height: 1; letter-spacing: -.05em; }
.astats span { display: block; margin-top: 10px; font-size: 13px; letter-spacing: .14em; color: var(--mute); text-transform: uppercase; }
.device { position: relative; margin-top: 10px; border-radius: 18px; background: #f7f6f2; box-shadow: 0 60px 160px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.12); }
.device::before { content: ''; position: absolute; inset: -2px; border-radius: 20px; padding: 2px; z-index: -1; background: conic-gradient(from var(--ba, 0deg), transparent 0 62%, #01bcff 74%, #7e57f7 86%, transparent 96%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: beam 3s linear infinite; }
@property --ba { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes beam { to { --ba: 360deg; } }
.device__bar { display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px; border-radius: 18px 18px 0 0; background: #ecebe6; color: #6d685d; font-size: 13px; }
.device__bar i { width: 12px; height: 12px; border-radius: 50%; background: #d4d1c8; }
.device__bar span { margin-left: 14px; }
.device__scr { aspect-ratio: 16/10; overflow: hidden; border-radius: 0 0 18px 18px; }
.device__scr video { width: 100%; height: 100%; object-fit: cover; }
.device__cap { position: absolute; left: 0; bottom: -42px; font-size: 13px; letter-spacing: .1em; color: var(--mute); }
.tool { position: absolute; right: -40px; display: flex; align-items: center; gap: 12px; padding: 14px 20px 14px 14px; border-radius: 14px; background: rgba(10,14,23,.95); border: 1px solid var(--line2); box-shadow: 0 18px 50px rgba(0,0,0,.6); white-space: nowrap; opacity: 0; transform: translateX(26px); transition: opacity .45s var(--ease), transform .7s var(--ease); }
.tool.on { opacity: 1; transform: none; }
.tool i { width: 28px; height: 28px; border-radius: 50%; background: rgba(61,220,151,.16); color: var(--ok); display: grid; place-items: center; font: 700 15px var(--pm); font-style: normal; }
.tool b { font: 700 21px var(--sans); color: var(--text); }
.tool em { font-style: normal; font-size: 13px; color: var(--mute); }
.tool--w { border-color: rgba(255,122,61,.55); } .tool--w i { background: rgba(255,122,61,.18); color: var(--volt); }
.tool:nth-of-type(1) { top: 20%; } .tool:nth-of-type(2) { top: 31%; } .tool:nth-of-type(3) { top: 42%; } .tool:nth-of-type(4) { top: 66%; } .tool:nth-of-type(5) { top: 82%; }

/* 08 插件 */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: 300px 300px; gap: 18px; margin-top: 56px; }
.bc { position: relative; overflow: hidden; border-radius: 22px; background: rgba(255,255,255,.035); border: 1px solid var(--line); display: flex; align-items: flex-end; }
.bc video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.bc--a { grid-row: span 2; }
.bc--a::before, .bc--v::before, .bc--w::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(0deg, rgba(5,7,12,.95) 15%, rgba(5,7,12,.1)); }

.bc__b { position: relative; z-index: 2; padding: 28px; }
.bc__b img { width: 52px; height: 52px; border-radius: 13px; background: #fff; }
.bc h3 { margin-top: 18px; font: 900 34px var(--sans); letter-spacing: -.02em; }
.bc p { margin-top: 8px; font-size: 19px; line-height: 1.5; color: var(--text2); }
.bc__n { position: absolute; z-index: 2; right: 24px; top: 22px; font-size: 14px; color: var(--mute); }
.bc--num { justify-content: space-between; }
.bc .big { position: absolute; z-index: 2; right: 26px; top: 58px; font-size: 88px; font-weight: 100; line-height: 1; letter-spacing: -.05em; text-align: right; }
.bc .big small { display: block; margin-top: 8px; font-size: 12px; font-weight: 400; letter-spacing: .14em; color: var(--mute); }

/* 09/10 深入 */
.deep { display: grid; grid-template-columns: 1fr 760px; gap: 56px; margin-top: 60px; }
.deep__cols { display: flex; flex-direction: column; border-top: 1px solid var(--ink); }
.deep__cols > div { display: grid; grid-template-columns: 90px 1fr; grid-template-rows: auto auto; padding: 24px 0; border-bottom: 1px solid var(--pline); }
.deep__k { grid-row: span 2; font-size: 15px; letter-spacing: .14em; color: var(--blue); padding-top: 8px; }
.deep__cols b { font: 900 32px var(--sans); }
.deep__cols p { margin-top: 8px; font-size: 22px; line-height: 1.6; color: var(--pmute); }
.deep__shot { align-self: start; }
.deep__shot img { width: 100%; border-radius: 16px; box-shadow: 0 40px 100px rgba(40,50,90,.22), 0 0 0 1px rgba(18,19,23,.08); }
.deep__shot figcaption { margin-top: 16px; font-size: 13px; letter-spacing: .1em; color: var(--pmute); }

/* 11 创作 */
.s-create .h { font-size: 88px; }
.prompt { position: absolute; left: 120px; top: 470px; width: 760px; padding: 26px 28px; border-radius: 20px; background: #fff; border: 1px solid rgba(18,19,23,.1); box-shadow: 0 30px 80px rgba(40,50,90,.14); }
.prompt__h, .prompt__f { display: flex; justify-content: space-between; align-items: center; font-size: 13px; letter-spacing: .1em; color: var(--pmute); }
.prompt__t { margin: 18px 0 16px; min-height: 4.8em; font: 500 26px/1.6 var(--sans); color: var(--ink); }
.caret2 { display: inline-block; width: 3px; height: 1.05em; margin-left: 3px; vertical-align: -4px; background: var(--blue); animation: blink 1s steps(2) infinite; }
.gen { padding: 12px 22px; border-radius: 99px; background: var(--ink); color: #fff; font: 700 18px var(--sans); }
.gen.pulse { animation: pulse .5s 2; }
@keyframes pulse { 50% { transform: scale(.94); background: var(--blue); } }
.posters { position: absolute; right: 120px; top: 230px; display: flex; gap: 24px; }
.posters figure { width: 290px; aspect-ratio: 3/4; overflow: hidden; border-radius: 12px; box-shadow: 0 40px 90px rgba(40,50,90,.25); clip-path: inset(100% 0 0 0); }
.posters figure:nth-child(2) { margin-top: 90px; } .posters figure:nth-child(3) { margin-top: 180px; }
.posters img { width: 100%; height: 100%; object-fit: cover; }

/* 12 作品墙 */
.s-gallery { padding: 0; }
.gal { position: absolute; inset: -40px; display: grid; grid-template-columns: repeat(5, 1fr); grid-auto-rows: 380px; gap: 14px; transform: rotate(-4deg) scale(1.08); }
.gal__t { overflow: hidden; border-radius: 14px; }
.gal__t--v { grid-row: span 2; }
.gal__t img, .gal__t video { width: 100%; height: 100%; object-fit: cover; }
.gal::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 22% 70%, rgba(5,7,12,.92), rgba(5,7,12,.35) 55%, rgba(5,7,12,.15)); }
.gal__head { position: absolute; left: 120px; bottom: 170px; z-index: 2; }
.gal__head .note { position: static; margin-top: 24px; }

/* 13 知识库 + 日历 */
.s-kc .h { font-size: 92px; max-width: 620px; }
.kc { position: absolute; left: 720px; right: 120px; top: 170px; height: 770px; }
.kc figure { position: absolute; }
.kc img { width: 100%; border-radius: 16px; box-shadow: 0 50px 140px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.1); }
.kc figcaption { position: absolute; left: 20px; bottom: -26px; padding: 12px 18px; border-radius: 12px; background: rgba(10,14,23,.94); border: 1px solid var(--line2); font-size: 20px; color: var(--text2); white-space: nowrap; box-shadow: 0 18px 50px rgba(0,0,0,.5); }
.kc figcaption b { display: inline-block; margin-right: 12px; padding: 3px 9px; border-radius: 6px; background: rgba(1,188,255,.15); color: var(--cyan); font-size: 14px; font-weight: 500; letter-spacing: .1em; }
.kc__a { left: 0; top: 300px; width: 700px; z-index: 2; }
.kc__b { right: 0; top: 0; width: 820px; }

/* 14 可控 */
.s-control { display: grid; grid-template-columns: 640px 1fr; gap: 60px; }
.ctl__l { padding-top: 60px; }
.perm { padding: 14px; border-radius: 24px; background: #fbfaf7; color: #23211c; box-shadow: 0 50px 140px rgba(0,0,0,.6); }
.perm__o { display: flex; gap: 20px; padding: 22px 24px; border-radius: 16px; transition: background .4s; }
.perm__o.is-on { background: #eef0e6; }
.perm__o i { flex: none; width: 46px; height: 46px; border-radius: 12px; background: #efede6; display: grid; place-items: center; font: 900 20px var(--sans); font-style: normal; color: #6b6656; }
.perm__o b { display: block; font: 900 28px var(--sans); }
.perm__o em { display: block; margin-top: 6px; font-style: normal; font-size: 20px; line-height: 1.5; color: #6d685d; }
.guards { list-style: none; margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.guards li { padding: 22px 24px; border-radius: 18px; background: rgba(255,255,255,.04); border: 1px solid var(--line); }
.guards i { font-style: normal; font-size: 13px; letter-spacing: .12em; color: var(--cyan); }
.guards b { display: block; margin-top: 8px; font: 700 24px/1.35 var(--sans); }

/* 15 行业门 */
.s-ind { padding-top: 150px; }
.doors { display: flex; gap: 10px; height: 590px; margin-top: 36px; }
.door { position: relative; flex: 1; min-width: 0; overflow: hidden; border-radius: 18px; transition: flex 1s var(--ease); cursor: pointer; }
.door.is-open { flex: 6; }
.door video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.1); transition: transform 1.6s var(--ease); }
.door.is-open video { transform: scale(1); }
.door__s { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,7,12,.92), rgba(5,7,12,.12) 60%); }
.door__b { position: absolute; left: 26px; right: 26px; bottom: 28px; }
.door__b span { font-size: 14px; letter-spacing: .16em; color: var(--text2); white-space: nowrap; }
.door h3 { margin-top: 12px; font: 900 76px/1 var(--sans); letter-spacing: -.04em; white-space: nowrap; }
.door p { margin-top: 14px; font-size: 24px; color: var(--text2); white-space: nowrap; opacity: 0; transition: opacity .5s; }
.door.is-open p { opacity: 1; transition-delay: .3s; }
.door:not(.is-open) h3 { writing-mode: vertical-rl; font-size: 34px; letter-spacing: .1em; }
.door:not(.is-open) .door__b span { display: none; }

/* 16 案例 */
.case5 { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; margin-top: 64px; }
.case5 li { padding-top: 24px; border-top: 1px solid var(--ink); }
.case5 i { font-style: normal; font-size: 40px; font-weight: 200; color: var(--blue); }
.case5 figure { margin-top: 16px; overflow: hidden; border-radius: 12px; box-shadow: 0 30px 70px rgba(40,50,90,.18), 0 0 0 1px rgba(18,19,23,.08); }
.case5 img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: 60% 25%; }
.case5 b { display: block; margin-top: 20px; font: 900 28px var(--sans); }
.case5 p { margin-top: 8px; font-size: 19px; line-height: 1.55; color: var(--pmute); }


/* 18 方案 */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.s-plans .h { font-size: 84px; }
.plan { padding: 30px 34px; border-radius: 20px; background: rgba(255,255,255,.75); border: 1px solid var(--pline); }
.plan span { font-size: 14px; letter-spacing: .14em; color: var(--blue); }
.plan h3 { margin-top: 18px; font: 900 52px var(--sans); letter-spacing: -.03em; }
.plan ul { list-style: none; margin-top: 22px; border-top: 1px solid var(--pline); }
.plan li { padding: 10px 0; font-size: 21px; border-bottom: 1px solid var(--pline); }
.plan--hi { background: var(--ink); color: #fff; border-color: var(--ink); }
.plan--hi span { color: #8fb0ff; }
.plan--hi ul, .plan--hi li { border-color: rgba(255,255,255,.14); }
.plans__bill { margin-top: 30px; font-size: 21px; line-height: 1.6; color: var(--pmute); }
.plans__bill b { margin-right: 16px; font-size: 14px; letter-spacing: .14em; color: var(--blue); }

/* 19 承诺 */
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; margin-top: 50px; }
.faq__q { padding: 30px 0; border-top: 1px solid var(--line2); }
.faq__q i { font-style: normal; font-size: 18px; color: var(--cyan); }
.faq__q b { display: block; margin-top: 12px; font: 900 40px var(--sans); letter-spacing: -.02em; }
.faq__q p { margin-top: 14px; font-size: 24px; line-height: 1.6; color: var(--text2); }

/* 20 结尾 */
.s-end { padding: 0; }
.end__l { position: absolute; left: 120px; top: 300px; }
.end__en { margin-top: 30px; font-size: 30px; font-weight: 200; color: var(--text2); }
.end__qr { position: absolute; right: 150px; top: 330px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.qr { width: 300px; height: 300px; padding: 22px; border-radius: 22px; background: #fff; box-shadow: 0 0 0 1px rgba(255,255,255,.2), 0 40px 120px rgba(12,92,232,.45); }
.qr img { width: 100%; height: 100%; }
.end__qr b { font: 900 30px var(--sans); }
.end__qr span { font-size: 16px; letter-spacing: .16em; color: var(--text2); }
.end__thanks { position: absolute; left: 120px; bottom: 150px; font-size: 18px; letter-spacing: .3em; color: var(--mute); }

/* 概览 / 帮助 / 黑屏 */
.overview { position: fixed; inset: 0; z-index: 80; background: rgba(5,7,12,.96); backdrop-filter: blur(20px); display: none; overflow: auto; padding: 60px; }
.overview.on { display: block; }
.overview__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.ov { position: relative; aspect-ratio: 16/9; border-radius: 12px; border: 1px solid var(--line2); background: #0b0f18; padding: 18px; cursor: pointer; text-align: left; display: flex; flex-direction: column; justify-content: space-between; transition: border-color .3s, transform .3s; }
.ov:hover, .ov.cur { border-color: var(--cyan); transform: translateY(-3px); }
.ov.paper { background: var(--paper); color: var(--ink); }
.ov b { font: 300 46px var(--pm); letter-spacing: -.04em; }
.ov span { font: 500 13px var(--pm); letter-spacing: .14em; color: var(--mute); }
.help { position: fixed; left: 50%; bottom: 18px; z-index: 90; transform: translate(-50%, 200%); padding: 10px 18px; border-radius: 99px; background: rgba(10,14,23,.9); border: 1px solid var(--line2); font-size: 12px; letter-spacing: .06em; color: var(--text2); transition: transform .5s var(--ease); white-space: nowrap; }
.help.on { transform: translate(-50%, 0); }
.black { position: fixed; inset: 0; z-index: 100; background: #000; opacity: 0; pointer-events: none; transition: opacity .5s; }
.black.on { opacity: 1; pointer-events: auto; }

.chrome { transition: color .8s, opacity .6s; }

/* ===== v2：纵向翻页 ===== */
.chrome__br { font-size: 13px; letter-spacing: .2em; animation: bob 2.2s var(--ease) infinite; }
@keyframes bob { 50% { transform: translateY(6px); opacity: .5; } }
body[data-slide="THANK YOU"] .chrome__br { opacity: 0; }
/* 右侧章节导轨 */
.rail { position: absolute; right: 52px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 26px; pointer-events: auto; }
.rail__g { display: flex; align-items: flex-start; gap: 14px; flex-direction: row-reverse; }
.rail__dots { display: flex; flex-direction: column; gap: 7px; padding-top: 4px; }
.rail__dots i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .3; cursor: pointer; transition: opacity .3s, transform .4s var(--ease), background .3s; }
.rail__dots i.on { opacity: 1; transform: scale(1.6); background: var(--cyan); }
body[data-theme="paper"] .rail__dots i.on { background: var(--blue); }
.rail__n { font: 500 13px/1.2 var(--pm); letter-spacing: .1em; text-align: right; opacity: .45; transition: opacity .4s, color .4s; cursor: pointer; }
.rail__n b { display: block; font: 900 15px var(--sans); letter-spacing: .1em; }
.rail__g.on .rail__n { opacity: 1; color: var(--text); }
body[data-theme="paper"] .rail__g.on .rail__n { color: var(--ink); }
.slide { padding-right: 200px; }
.s-cover, .s-entry, .s-gallery, .s-end { padding-right: 0; }
.posters { right: 210px; }
.kc { right: 200px; }
.end__qr { right: 230px; }
.bento, .arch, .spec, .plans, .faq, .case5, .doors, .deep, .pains, .highs, .princ { max-width: 1600px; }

/* 痛点 */
.pains, .highs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 56px; border-top: 1px solid var(--ink); }
.pain, .hi { padding: 30px 34px 30px 0; border-bottom: 1px solid var(--pline); border-right: 1px solid var(--pline); min-height: 250px; }
.pain:nth-child(3n), .hi:nth-child(3n) { border-right: 0; }
.pain:not(:nth-child(3n+1)), .hi:not(:nth-child(3n+1)) { padding-left: 34px; }
.pain i, .hi i { font-style: normal; font-size: 15px; letter-spacing: .14em; color: var(--blue); }
.pain b, .hi b { display: block; margin-top: 14px; font: 900 44px/1.15 var(--sans); letter-spacing: -.03em; }
.pain p, .hi p { margin-top: 12px; font-size: 22px; line-height: 1.55; color: var(--pmute); }
.pain em { display: inline-block; margin-top: 18px; font-style: normal; font-size: 16px; color: #d4612c; letter-spacing: .04em; }
.hi em { display: block; margin-top: 18px; font-style: normal; font-size: 14px; color: var(--blue); letter-spacing: .06em; }
.pain i::after { content: ''; display: inline-block; width: 10px; height: 10px; margin-left: 12px; border-radius: 50%; background: #ff4d3a; vertical-align: 0; }

/* 理念 */
.princ { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 70px; }
.pr { position: relative; padding: 36px 34px 40px; border-radius: 22px; border: 1px solid var(--line2); background: linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.01)); min-height: 470px; overflow: hidden; }
.pr__n { display: block; font-size: 180px; font-weight: 100; line-height: .85; letter-spacing: -.06em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pr b { display: block; margin-top: 46px; font: 900 54px var(--sans); letter-spacing: -.03em; }
.pr p { margin-top: 18px; font-size: 23px; line-height: 1.7; color: var(--text2); }

/* 纵向切换期间：两页同时可见 */
.slide.is-leaving { visibility: visible; z-index: 1; }
.prompt { width: 680px; }
.posters { right: 200px; gap: 20px; }
.posters figure { width: 250px; }
.tool { right: -16px; }
.s-gallery .rail__n { text-shadow: 0 2px 12px rgba(0,0,0,.8); }
.slide[data-theme="dark"]:not([data-gl]) { background-color: var(--bg); }
.slide { box-shadow: 0 -40px 80px rgba(0,0,0,.35); }

/* 待办卡：图标版，避开右侧导轨 */
.grind__chips { left: 820px; right: 230px; top: 160px; bottom: 150px; }
.chip { gap: 14px; padding: 13px 22px 13px 13px; }
.chip .ic { width: 46px; height: 46px; border-radius: 13px; font: inherit; }
.chip .ic svg { display: block; }
.perm__o i svg { display: block; }

/* ===== 图文搭配 ===== */
.ico { display: inline-grid; place-items: center; font-style: normal; }
.ico svg { display: block; }
/* 架构 */
.arch__r b { gap: 10px; display: flex; align-items: center; justify-content: center; }
.arch__r b .ico { opacity: .8; }
.arch__r span { display: flex; align-items: center; justify-content: center; gap: 12px; }
.arch__r span .ico { color: var(--cyan); opacity: .9; }
.arch__r span img { width: 34px; height: 34px; border-radius: 9px; background: #fff; flex: none; }
.arch__r--hi span { font-size: 19px; gap: 10px; }
.arch__r--cloud span .ico { color: #a58bff; }
/* 痛点 */
.pains2 { display: grid; grid-template-columns: 500px 1fr; gap: 40px; margin-top: 50px; max-width: 1600px; }
.pains2__img { position: relative; height: 560px; border-radius: 20px; overflow: hidden; box-shadow: 0 40px 100px rgba(40,50,90,.25); }
.pains2__img img { width: 100%; height: 100%; object-fit: cover; }
.pains2__img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,12,20,.85), rgba(10,12,20,0) 55%); }
.pains2__img figcaption { position: absolute; left: 28px; bottom: 26px; z-index: 2; color: #fff; font-size: 26px; line-height: 1.4; }
.pains2__img figcaption b { display: block; font: 900 38px var(--sans); }
.pains2__grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: 1fr 1fr; gap: 16px; }
.pain2 { padding: 24px 24px 22px; border-radius: 18px; background: rgba(255,255,255,.8); border: 1px solid var(--pline); }
.pain2__h { display: flex; justify-content: space-between; align-items: center; }
.pain2__h .ico { width: 54px; height: 54px; border-radius: 14px; background: rgba(255,77,58,.1); color: #e0452f; box-shadow: inset 0 0 0 1px rgba(255,77,58,.22); }
.pain2__h .ico svg { width: 28px; height: 28px; }
.pain2__h i.pm { font-style: normal; font-size: 14px; letter-spacing: .14em; color: var(--pmute); }
.pain2 b { display: block; margin-top: 18px; font: 900 32px/1.2 var(--sans); letter-spacing: -.02em; }
.pain2 p { margin-top: 10px; font-size: 19px; line-height: 1.55; color: var(--pmute); }
.pain2 em { display: inline-block; margin-top: 14px; padding: 6px 12px; border-radius: 99px; background: rgba(59,91,219,.08); font-style: normal; font-size: 14px; color: var(--blue); }
/* 理念 */
.princ { margin-top: 44px; }
.pr { min-height: 0; padding: 28px 30px 30px; display: flex; flex-direction: column; }
.pr__n { font-size: 96px; }
.pr b { margin-top: 14px; font-size: 44px; }
.pr p { margin-top: 10px; font-size: 20px; line-height: 1.6; min-height: 3.2em; }
.pr__img { margin-top: 20px; border-radius: 14px; overflow: hidden; background: #f7f6f2; box-shadow: 0 0 0 1px rgba(255,255,255,.12); }
.pr__img img { width: 100%; height: 210px; object-fit: cover; object-position: center 30%; }
.pr__img figcaption { padding: 10px 14px; font-size: 12px; letter-spacing: .1em; color: #6d685d; background: #ecebe6; }
/* 价值主张 */
.spec__list li { grid-template-columns: 48px 150px 1fr; }
.spec__list .ico { width: 34px; height: 34px; border-radius: 9px; background: rgba(59,91,219,.1); color: var(--blue); }
.spec__list .ico svg { width: 19px; height: 19px; }
.spec__img { margin-top: 26px; border-radius: 14px; overflow: hidden; box-shadow: 0 30px 70px rgba(40,50,90,.18), 0 0 0 1px rgba(18,19,23,.08); }
.spec__img img { width: 100%; height: 190px; object-fit: cover; object-position: center 35%; }
.spec__goal b { font-size: 54px; margin-top: 22px; }
.spec__goal p { margin-top: 16px; font-size: 21px; }
/* 亮点 */
.h--one { font-size: 80px; }
.highs2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; max-width: 1600px; }
.hi2 { display: grid; grid-template-columns: 210px 1fr; gap: 0; border-radius: 18px; overflow: hidden; background: rgba(255,255,255,.85); border: 1px solid var(--pline); height: 270px; }
.hi2 figure { overflow: hidden; background: #f7f6f2; border-right: 1px solid var(--pline); }
.hi2 img { width: 100%; height: 100%; object-fit: cover; object-position: 30% 25%; }
.hi2__b { padding: 22px 22px 20px; display: flex; flex-direction: column; }
.hi2__b i.pm { font-style: normal; font-size: 13px; letter-spacing: .14em; color: var(--blue); }
.hi2__b b { margin-top: 10px; font: 900 28px/1.2 var(--sans); letter-spacing: -.02em; }
.hi2__b p { margin-top: 8px; font-size: 17px; line-height: 1.55; color: var(--pmute); }
.hi2__b em { margin-top: auto; display: flex; align-items: center; gap: 6px; font-style: normal; font-size: 13px; color: #2f8f5b; }
.hi2__b em .ico svg { width: 15px; height: 15px; }
.grind__chips { left: 960px; right: 230px; }
.pains2 { margin-top: 36px; }
.pains2__img { height: 500px; }
.pain2 { padding: 20px 22px; }
.pain2 b { margin-top: 12px; font-size: 30px; }
.pain2 p { font-size: 18px; }
.hi2 { grid-template-columns: 1fr; grid-template-rows: 118px 1fr; height: 286px; }
.hi2 figure { border-right: 0; border-bottom: 1px solid var(--pline); }
.hi2 img { object-position: left top; }
.hi2:nth-child(4) img { object-position: center 60%; }
.hi2__b { padding: 16px 22px 16px; }
.hi2__b b { margin-top: 6px; font-size: 26px; }
.hi2__b p { margin-top: 4px; font-size: 16px; }