@charset "UTF-8";
:root {
  --paper:#f7f8f2;
  --ink:#233c32;
  --muted:#71796e;
  --line:#dce1d6;
  --lime:#d9eac8;
  --green:#446953;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif
}

* {
  box-sizing:border-box
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:100px
}

body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:15px/1.8 var(--font);
  -webkit-font-smoothing:antialiased
}

body.modal-open {
  overflow:hidden
}

a {
  color:inherit;
  text-decoration:none
}

button {
  font:inherit;
  color:inherit;
  cursor:pointer;
  border:0
}

a,button {
  -webkit-tap-highlight-color:transparent
}

button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex="0"]:focus-visible {
  outline:3px solid #6c8a4a;
  outline-offset:5px
}

img {
  display:block;
  max-width:100%
}

h1,h2,h3,h4,p {
  margin:0
}

h1,h2,h3,h4 {
  font-weight:600
}

::selection {
  background:#cfe5ba;
  color:#203b2d
}

.shell {
  width:min(1180px,calc(100% - 96px));
  margin-inline:auto
}

.section-space {
  padding-block:112px
}

.eyebrow,.tiny {
  font-size:10px;
  letter-spacing:1.8px;
  font-weight:600;
  color:#859376
}

.eyebrow {
  display:flex;
  align-items:center;
  gap:9px;
  color:var(--green)
}

.skip-link {
  position:fixed;
  top:-60px;
  left:20px;
  z-index:100;
  background:var(--ink);
  color:white;
  padding:10px 20px
}

.skip-link:focus {
  top:10px
}

.site-header {
  position:sticky;
  top:0;
  z-index:20;
  background:#f7f8f2ed;
  backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  transition:border-color .3s
}

.site-header.scrolled {
  border-color:var(--line)
}

.nav-shell {
  width:min(1320px,calc(100% - 80px));
  margin:auto;
  height:86px;
  display:flex;
  align-items:center;
  justify-content:space-between
}

.wordmark {
  display:flex;
  align-items:center;
  font-size:31px;
  line-height:1;
  font-weight:700;
  letter-spacing:-1.8px
}

.brand-icon {
  width:36px;
  height:36px;
  margin-right:10px;
  flex-shrink:0;
}

.site-header nav {
  display:flex;
  gap:34px;
  font-size:12px
}

.site-header nav a {
  color:#687268;
  transition:color .2s
}

.site-header nav a:hover,.site-header nav a.active {
  color:var(--ink)
}

.nav-cta {
  padding:8px 19px;
  border:1px solid #becabb;
  border-radius:100px;
  font-size:12px;
  font-weight:600;
  transition:background .25s
}

.nav-cta:hover {
  background:var(--lime)
}

.hero {
  text-align:center;
  padding-top:65px
}

.hero>.eyebrow {
  justify-content:center
}

.hero h1 {
  font-size:clamp(52px,6.5vw,88px);
  line-height:1.26;
  letter-spacing:-4px;
  margin-top:31px;
  font-weight:500
}

.title-bottom {
  position:relative
}

.serif-word {
  font-family:"Songti SC",SimSun,serif;
  font-weight:500;
  position:relative
}

.hero-description {
  font-size:16px;
  color:var(--muted);
  line-height:1.95;
  margin-top:29px
}

.hero-actions {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:30px;
  margin-top:30px
}

.button {
  padding:13px 24px;
  border-radius:100px;
  font-size:13px;
  display:inline-flex;
  gap:32px;
  align-items:center;
  justify-content:center;
  background:var(--ink);
  color:var(--paper);
  transition:background .25s,transform .25s,box-shadow .25s
}

.button:hover {
  background:#365744;
  transform:translateY(-2px);
  box-shadow:0 6px 16px #233c321c
}

.text-link {
  display:inline-flex;
  align-items:center;
  background:none;
  padding:0;
  font-size:12px;
  font-weight:600;
  border-bottom:1px solid #9caa90;
  line-height:2.2
}

.hero-note {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:12px;
  color:#7b8275;
  font-size:10px;
  margin-top:24px
}

.hero-stage {
  margin:59px auto 0;
  position:relative;
  padding:15px 15px 0;
  background:#e6ebdd;
  border:1px solid #d8e0cf;
  border-radius:18px;
  max-width:1000px;
  box-shadow:0 26px 75px -38px #45603566;
  text-align:left
}

.hero-stage:before {
  content:"";
  position:absolute;
  inset:-100px -70px -20px;
  background:radial-gradient(ellipse,#d9e9c966,transparent 70%);
  z-index:-1;
  pointer-events:none
}

.stage-caption {
  display:flex;
  justify-content:space-between;
  font-size:8px;
  font-weight:600;
  letter-spacing:1.5px;
  padding:2px 8px 14px;
  color:#78836d
}

.screenshot {
  display:block;
  padding:0;
  background:transparent;
  width:100%;
  text-align:left;
  overflow:hidden;
  cursor:zoom-in
}

.hero-screen {
  border-radius:9px 9px 0 0;
  max-height:590px;
  overflow:hidden
}

.hero-screen img {
  width:100%;
  height:auto
}

.hero-bottom {
  justify-content:center;
  display:flex;
  font-size:10px;
  color:#7d8577;
  padding-top:29px
}


.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  margin-bottom:47px;
  gap:32px
}

.section-heading h2,.center-heading h2,.plaza-copy h2,.faq h2 {
  font-size:40px;
  letter-spacing:-1.5px;
  line-height:1.5;
  margin-top:19px;
  font-weight:500
}

.aside {
  font-size:13px;
  line-height:1.95;
  color:var(--muted);
  padding-bottom:5px
}

.usecase-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-block:1px solid var(--line)
}

.usecase {
  padding:31px 32px 32px 0
}

.usecase+.usecase {
  border-left:1px solid var(--line);
  padding-left:32px
}

.usecase:last-child {
  padding-right:0
}

.usecase h3 {
  margin-top:8px;
  font-size:18px;
  letter-spacing:-.5px;
  margin-bottom:14px
}

.usecase p {
  font-size:12px;
  color:var(--muted);
  line-height:2
}

.tag {
  display:block;
  font-size:10px;
  color:#7e896f;
  margin-top:25px
}

.workspace {
  background:#edf1e7
}

.workspace .section-heading {
  margin-bottom:39px
}

.product-tour {
  background:var(--paper);
  border:1px solid #d9e0d0;
  border-radius:22px;
  overflow:hidden
}

.tour-tabs {
  display:flex;
  border-bottom:1px solid var(--line);
  padding:0 34px;
  gap:37px
}

.tour-tabs button {
  padding:23px 0 20px;
  background:transparent;
  font-size:9px;
  color:#8b9383;
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color .25s,border-color .25s
}

.tour-tabs button span {
  font-size:12px;
  margin-left:8px
}

.tour-tabs button[aria-selected="true"] {
  color:var(--ink);
  border-bottom-color:var(--ink)
}

.tour-content {
  display:grid;
  grid-template-columns:.85fr 1.65fr;
  gap:28px;
  align-items:center;
  padding:42px 0 42px 34px;
  min-height:470px
}

.tour-copy {
  padding-right:10px
}

.tour-copy .tiny {
  font-size:8px
}

.tour-copy h3 {
  font-size:27px;
  line-height:1.5;
  letter-spacing:-1px;
  margin-top:19px;
  font-weight:500
}

.tour-copy>p {
  font-size:12px;
  color:var(--muted);
  line-height:2;
  margin-top:17px
}

.tour-copy ul {
  list-style:disc;
  padding-left:14px;
  margin:24px 0 0;
  font-size:10px
}

.tour-copy li {
  margin-top:9px;
  padding-left:2px
}

.tour-copy small {
  font-size:8px;
  color:#8b937f;
  display:block;
  margin-top:31px
}

.tour-visual {
  overflow:hidden;
  border:1px solid #d9e0d0;
  border-radius:13px 0 0 13px;
  box-shadow:0 12px 36px #233c3210;
  align-self:center
}

.window-bar {
  height:32px;
  display:flex;
  align-items:center;
  gap:4px;
  background:#e8ecdf;
  padding:0 14px
}

.window-bar i {
  width:5px;
  height:5px;
  border-radius:50%;
  background:#b3bfa7
}

.window-bar>span {
  margin-inline:auto;
  padding-right:20px;
  font-size:8px;
  color:#8a937f;
  letter-spacing:1px
}

.tour-visual img {
  width:100%;
  height:auto
}

.tour-content.is-changing {
  animation:gentle-in .48s ease both
}

.center-heading {
  text-align:center
}

.center-heading .eyebrow {
  justify-content:center
}

.center-heading>p:last-child {
  font-size:13px;
  color:var(--muted);
  margin-top:20px
}

.mode-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:19px;
  margin-top:48px
}

.mode-card {
  border:1px solid var(--line);
  border-radius:16px;
  padding:27px 27px 24px;
  background:#fafbf6;
  transition:border-color .3s,background .3s
}

.mode-card:hover {
  border-color:#9db18a;
  background:#f4f6ee
}

.mode-card h3 {
  margin-top:8px;
  font-size:20px;
  font-weight:500;
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:15px
}

.mode-card h3>span {
  font:italic 13px Georgia,serif;
  color:#a1ad94
}

.mode-card p {
  font-size:12px;
  color:var(--muted);
  line-height:2
}

.mode-fit {
  padding-top:20px;
  border-top:1px solid var(--line);
  margin-top:24px;
  font-size:10px;
  color:#8d9685
}

.mode-fit strong {
  font-weight:400;
  color:#52674b;
  margin-left:13px
}

.rhythm-note {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:17px;
  margin-top:32px
}

.rhythm-note p {
  font-size:12px
}

.rhythm-note small {
  display:block;
  font-size:10px;
  color:#87917d;
  margin-top:2px
}

.plaza-section {
  background:#e9eee2
}

.plaza-layout {
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:90px;
  align-items:center
}

.plaza-copy>p:not(.eyebrow) {
  font-size:13px;
  color:var(--muted);
  margin-top:23px
}

.feature-list {
  padding-left:21px;
  margin:32px 0 0;
  list-style:decimal-leading-zero
}

.feature-list li {
  padding-left:12px;
  margin-top:23px
}

.feature-list li::marker {
  font:italic 13px Georgia,serif;
  color:#93a17f
}

.feature-list strong {
  font-size:13px;
  font-weight:600
}

.feature-list p {
  font-size:11px;
  color:#7a8370;
  line-height:1.95;
  margin-top:4px
}

.plaza-visual {
  min-width:0
}

.plaza-screen {
  border-radius:0 0 17px 17px;
  box-shadow:0 22px 55px -30px #263c3255;
  border:1px solid #cad8b7;
  border-top:0
}

.plaza-screen img {
  width:100%;
  height:auto;
}

.photo-caption {
  font-size:9px;
  letter-spacing:.6px;
  color:#8a967c;
  display:block;
  text-align:center;
  margin-top:21px
}

.toolkit-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px
}

.tool-card {
  transition:border-color .25s;
  border:1px solid var(--line);
  border-radius:12px;
  padding:30px;
  min-height:235px;
  background:#fafbf6;
  overflow:hidden
}

.tool-wide {
  grid-column:span 2;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:30px;
  background:#edf1e5
}

.tool-label {
  display:block;
  font-size:10px;
  letter-spacing:1px;
  color:#71816a;
  margin-bottom:26px
}

.skill-preview {
  align-self:center;
  border:1px solid #d7dfcb;
  border-radius:8px;
  box-shadow:0 8px 24px #233c320a
}

.skill-preview img {
  width:100%;
  height:auto
}

.plaza-caption {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:18px 22px;
  background:#f4f6ee;
  border:1px solid #cad8b7;
  border-radius:12px 12px 0 0;
  font-size:12px;
  font-weight:500
}

.plaza-caption small {
  font-size:10px;
  color:#7b876f;
  font-weight:400
}

.tool-card h3 {
  font-size:18px;
  margin-bottom:13px;
  font-weight:500
}

.tool-card p {
  font-size:12px;
  line-height:2;
  color:var(--muted)
}

.tool-card .text-link {
  margin-top:23px;
  font-size:10px
}

.provider-tags {
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  margin-top:25px
}

.provider-tags span {
  font-size:9px;
  padding:2px 8px;
  border:1px solid #d7dece;
  border-radius:4px;
  color:#7b876d
}

.tool-small {
  display:block;
  font-size:10px;
  margin-top:27px;
  color:#849178
}

.format-tag {
  display:block;
  font:italic 25px Georgia,serif;
  color:#748c60;
  margin-top:22px
}

.format-tag>span {
  color:#c7d0bc;
  padding-inline:7px
}

.trust-section {
  display:grid;
  grid-template-columns:1.2fr repeat(3,1fr);
  gap:30px;
  border-block:1px solid var(--line);
  padding-block:40px
}

.trust-intro {
  display:flex;
  gap:15px;
  align-items:center
}

.trust-intro h2 {
  font-size:18px;
  line-height:1.7;
  font-weight:500
}

.trust-section h3 {
  font-size:12px;
  margin-bottom:9px
}

.trust-section p {
  font-size:10px;
  color:var(--muted);
  line-height:1.95
}

.faq {
  display:grid;
  grid-template-columns:1fr 1.35fr;
  gap:70px
}

.faq h2 {
  font-size:31px
}

.faq .eyebrow {
  font-size:9px;
  letter-spacing:1.6px
}

.faq-list details {
  border-bottom:1px solid var(--line)
}

.faq-list details:first-child {
  border-top:1px solid var(--line)
}

.faq-list summary {
  font-size:13px;
  padding:21px 0;
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px
}

.faq-list summary::-webkit-details-marker {
  display:none
}

.faq-list details p {
  font-size:12px;
  color:var(--muted);
  line-height:2.1;
  padding:0 25px 22px 0;
  animation:gentle-in .3s ease
}

.closing {
  text-align:center;
  position:relative;
  padding:70px 30px 62px;
  background:#e8efdd;
  border:1px solid #d9e3ca;
  border-radius:24px;
  overflow:hidden
}

.closing .eyebrow {
  justify-content:center;
  font-size:9px;
  letter-spacing:1.8px
}

.closing h2 {
  font-size:46px;
  line-height:1.45;
  font-weight:500;
  letter-spacing:-1.8px;
  margin-top:22px
}

.closing>p:not(.eyebrow) {
  font-size:13px;
  color:#80916e;
  margin-top:18px
}

.closing .button {
  margin-top:27px
}

.closing small {
  display:block;
  font-size:9px;
  color:#738561;
  margin-top:22px
}

.site-footer {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:28px;
  padding-top:58px;
  padding-bottom:27px
}

.site-footer .wordmark {
  font-size:25px
}

.site-footer .brand-icon {
  width:28px;
  height:28px;
}

.site-footer>span {
  font-size:11px;
  color:#929a89
}

.site-footer>a:last-of-type {
  margin-left:auto;
  font-size:10px;
  color:#728267
}

.site-footer>p {
  flex-basis:100%;
  font-size:8px;
  letter-spacing:1px;
  border-top:1px solid var(--line);
  padding-top:22px;
  color:#8a957e;
  margin-top:9px
}

#image-dialog {
  border:1px solid #d1dac5;
  border-radius:16px;
  padding:0;
  width:min(1440px,94vw);
  max-width:94vw;
  max-height:92vh;
  background:var(--paper);
  box-shadow:0 30px 100px #15281a55;
  color:var(--ink)
}

#image-dialog::backdrop {
  background:#13271dc9;
  backdrop-filter:blur(8px)
}

.dialog-toolbar {
  position:sticky;
  top:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:13px 20px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  z-index:1
}

.dialog-toolbar p {
  font-size:12px
}

.dialog-toolbar button {
  background:#e7eddd;
  border-radius:50px;
  padding:5px 14px;
  font-size:11px;
  white-space:nowrap
}

.dialog-image-wrap {
  overflow:auto
}

.dialog-image-wrap img {
  width:100%;
  height:auto
}

.js-ready .reveal {
  opacity:0;
  transform:translateY(20px);
  transition:opacity .8s ease,transform .8s cubic-bezier(.22,1,.36,1)
}

.js-ready .reveal.is-visible {
  opacity:1;
  transform:none
}

.hero>.eyebrow,.hero h1,.hero-description,.hero-actions,.hero-note,.hero-stage {
  animation:gentle-in 1s cubic-bezier(.22,1,.36,1) both
}

.hero h1 {
  animation-delay:.08s
}

.hero-description {
  animation-delay:.15s
}

.hero-actions {
  animation-delay:.22s
}

.hero-note {
  animation-delay:.28s
}

.hero-stage {
  animation-delay:.32s
}

@keyframes gentle-in {
  from {
    opacity:0;
    transform:translateY(14px)
  }
  to {
    opacity:1;
    transform:none
  }
}

/* 指示符：静止时是一颗点，悬停时展开成加载环，与 i am loading 主页一致 */
@keyframes orb-turn {
  to {
    rotate:360deg
  }
}
.orb {
  position:relative;
  display:grid;
  place-items:center;
  width:27px;
  height:27px;
  flex:none;
  border-radius:50%;
  background:#f2f6e51f;
  color:#dce9c9;
  transition:background .35s ease,color .35s ease
}
.orb:before {
  content:"";
  position:absolute;
  inset:4px;
  border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0 25%,currentColor);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 1.5px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 1.5px));
  opacity:0;
  scale:.3;
  transition:opacity .3s ease,scale .45s cubic-bezier(.16,1,.3,1);
  animation:orb-turn .9s linear infinite
}
.orb:after {
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:currentColor;
  transition:scale .45s cubic-bezier(.16,1,.3,1)
}
:hover>.orb:before,:focus-visible>.orb:before {
  opacity:1;
  scale:1
}
:hover>.orb:after,:focus-visible>.orb:after {
  scale:.6
}
.button {
  padding:10px 11px 10px 23px;
  gap:24px
}
.nav-cta {
  display:inline-flex;
  align-items:center;
  gap:10px
}
.nav-cta .orb {
  width:20px;
  height:20px;
  background:#e6ecdd;
  color:var(--green)
}
.nav-cta .orb:before {
  inset:2px
}
.nav-cta .orb:after,.orb-sm:after {
  width:5px;
  height:5px
}
.orb-sm {
  width:18px;
  height:18px;
  margin-left:9px;
  background:#e3ead8;
  color:var(--green)
}
.orb-sm:before {
  inset:1px
}
.concept-art {
  position:relative;
  height:172px;
  margin:12px 0 17px;
  isolation:isolate;
  display:flex;
  align-items:center;
  justify-content:center
}
.concept-art:before {
  content:"";
  position:absolute;
  inset:20px 8px;
  background:radial-gradient(ellipse,#dce6cf75,transparent 72%);
  z-index:-1
}
.concept-sheet,.choice-sheet,.depth-sheet {
  border:1px solid #d6decd;
  box-shadow:0 8px 18px -12px #334d3d38;
  transition:transform .5s cubic-bezier(.2,.7,.3,1)
}
.concept-sheet {
  position:absolute;
  width:174px;
  padding:16px 18px;
  border-radius:9px;
  background:#fcfdf9
}
.concept-art small,.concept-art span {
  display:block;
  font-size:9px;
  font-style:normal;
  color:#71816a
}
.concept-art strong {
  display:block;
  font-size:13px;
  font-weight:500;
  letter-spacing:.3px
}
.idea-seed {
  transform:translate(-28px,-21px) rotate(-7deg)
}
.idea-seed strong {
  margin-top:8px;
  color:#819077
}
.idea-growth {
  background:linear-gradient(135deg,#e3ecd7,#f0f4e8);
  transform:translate(28px,23px) rotate(4deg)
}
.idea-growth strong {
  margin-block:8px
}
.choice-study {
  gap:0
}
.choice-sheet {
  width:137px;
  padding:17px 13px;
  border-radius:10px;
  background:linear-gradient(150deg,#e1ead5,#f1f5e9);
  transform:translate(7px,-8px) rotate(-7deg)
}
.choice-sheet strong {
  font-family:"Songti SC",SimSun,serif;
  font-size:20px;
  margin:9px 0 6px
}
.choice-sheet span {
  font-size:8px
}
.tradeoff {
  background:linear-gradient(150deg,#eee5d7,#f8f4eb);
  border-color:#e2dacb;
  transform:translate(-5px,10px) rotate(7deg)
}
.depth-study {
  flex-direction:column;
  gap:7px
}
.depth-sheet {
  display:flex;
  align-items:center;
  gap:14px;
  width:218px;
  padding:9px 15px;
  border-radius:7px;
  background:#fbfcf7;
  transform:translateX(-15px)
}
.depth-sheet:nth-child(2) {
  background:#edf2e4;
  transform:none
}
.depth-sheet:nth-child(3) {
  background:#e1eacd;
  transform:translateX(15px)
}
.depth-sheet em {
  margin-left:auto;
  font-style:normal;
  font-size:9px;
  color:#87957d
}
.depth-sheet span {
  color:#455c3d;
  font-size:12px
}
.usecase:hover .idea-seed {
  transform:translate(-30px,-24px) rotate(-9deg)
}
.usecase:hover .idea-growth {
  transform:translate(30px,24px) rotate(5deg)
}
.rhythm-study {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  align-content:center;
  gap:7px;
  min-height:139px;
  padding:17px 0;
  margin-top:11px
}
.rhythm-study>div {
  background:#f1f4eb;
  border:1px solid #e1e7d9;
  border-radius:9px;
  padding:11px 4px;
  display:flex;
  align-items:center;
  flex-direction:column;
  gap:7px
}
.role-token {
  display:grid;
  place-items:center;
  width:29px;
  height:29px;
  border-radius:10px;
  background:#dce7cd;
  color:#526a40;
  font-size:11px
}
.role-token.warm {
  background:#ede3cd;
  color:#8d7751
}
.role-token.mauve {
  background:#e6dfea;
  color:#7c6d87
}
.rhythm-study small {
  font-size:9px;
  color:#7a8771;
  white-space:nowrap
}
.turns-study>div:first-child {
  transform:translateY(-11px)
}
.turns-study>div:last-child {
  transform:translateY(11px)
}
.guided-study {
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:7px 10px
}
.guided-study>div {
  flex-direction:row;
  justify-content:center;
  padding:7px 4px
}
.guided-study .host-turn {
  grid-column:1 / -1;
  border-color:#d5dfc9;
  background:#e9f0df
}
.host-token {
  color:#f5f8eb;
  background:#3d5946
}

/* ---------- 视觉精修 2026-10-24 ---------- */
body {
  overflow-x:clip
}
/* 极淡的纸张颗粒，让大面积浅色更有质感 */
body:after {
  content:"";
  position:fixed;
  inset:0;
  z-index:90;
  pointer-events:none;
  opacity:.045;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")
}

/* 按钮：悬停时像进度条一样被填满 */
.button,.nav-cta {
  position:relative;
  isolation:isolate;
  overflow:hidden
}
.button:before,.nav-cta:before {
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  border-radius:inherit;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .6s cubic-bezier(.7,0,.2,1)
}
.button {
  box-shadow:0 14px 30px -18px #233c32b3
}
.button:before {
  background:linear-gradient(100deg,#3d684e,#628f5c)
}
.button:hover {
  background:var(--ink)
}
.nav-cta {
  padding:6px 7px 6px 18px;
  transition:border-color .3s
}
.nav-cta:before {
  background:var(--lime)
}
.nav-cta:hover {
  background:transparent;
  border-color:#a9bd96
}
.button:hover:before,.button:focus-visible:before,.nav-cta:hover:before,.nav-cta:focus-visible:before {
  transform:scaleX(1)
}
.text-link {
  border-bottom:0;
  transition:color .25s
}
.text-link:hover {
  color:var(--green)
}

/* 首屏 */
.hero {
  position:relative;
  isolation:isolate
}
.hero:after {
  content:"";
  position:absolute;
  inset:-90px 0 auto;
  height:720px;
  z-index:-2;
  pointer-events:none;
  background:radial-gradient(34% 46% at 20% 30%,#dcebc8b3,transparent 70%),radial-gradient(30% 42% at 82% 20%,#efe6d099,transparent 70%),radial-gradient(28% 40% at 55% 62%,#d6e8da8c,transparent 70%)
}
.serif-word {
  padding-inline:.04em;
  background:linear-gradient(120deg,#2b583d 10%,#5f8f4b 55%,#9ab55f);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent
}
.hero-stage {
  border:1px solid transparent;
  background:linear-gradient(#e7ecde,#e7ecde) padding-box,linear-gradient(150deg,#c2d7ab,#f6f8f1 40%,#d0dfc0 75%,#b5cc9c) border-box;
  box-shadow:0 44px 90px -48px #3c5a3a8c,0 0 0 8px #ffffff59
}
.hero-stage:before {
  background:radial-gradient(ellipse,#cfe3b98c,transparent 68%)
}
@keyframes chip-float {
  50% {
    translate:0 -8px
  }
}
.stage-chip {
  position:absolute;
  z-index:2;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 18px 10px 10px;
  border:1px solid #ffffffb3;
  border-radius:16px;
  background:#fbfcf8db;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 20px 44px -22px #233c3273;
  line-height:1.45;
  animation:chip-float 6s ease-in-out infinite
}
.stage-chip strong {
  display:block;
  font-size:12px;
  font-weight:600
}
.stage-chip small {
  display:block;
  font-size:10px;
  color:var(--muted)
}
.chip-a {
  left:-58px;
  top:22%
}
.chip-b {
  right:-62px;
  top:50%;
  animation-delay:-2s
}
.chip-c {
  left:-36px;
  bottom:14%;
  gap:9px;
  padding:9px 18px 9px 14px;
  border-radius:999px;
  font-size:11px;
  font-weight:600;
  color:var(--green);
  animation-delay:-4s
}
@keyframes live-pulse {
  0% {
    box-shadow:0 0 0 0 #6fa04d80
  }
  70%,100% {
    box-shadow:0 0 0 8px #6fa04d00
  }
}
.live-dot {
  width:8px;
  height:8px;
  border-radius:50%;
  background:#6fa04d;
  animation:live-pulse 2s infinite
}

/* 卡片：去掉分隔线，统一圆角与悬停抬升 */
.usecase-grid {
  gap:18px;
  border-block:0
}
#possibilities .usecase {
  padding:30px;
  border:1px solid var(--line);
  border-radius:22px;
  background:#fafbf6
}
#possibilities .usecase,.mode-card,.tool-card {
  transition:translate .5s cubic-bezier(.16,1,.3,1),box-shadow .5s ease,border-color .3s ease,background .3s ease
}
#possibilities .usecase:hover,.mode-card:hover,.tool-card:hover {
  translate:0 -4px;
  border-color:#c6d4b6;
  box-shadow:0 26px 50px -30px #233c3259
}
.mode-card,.tool-card {
  border-radius:22px
}
.usecase p,.mode-card p,.tool-card p {
  font-size:13px
}
.mode-fit {
  padding:11px 14px;
  border-top:0;
  border-radius:12px;
  background:#eef2e6
}
.provider-tags span {
  padding:3px 10px;
  border-radius:999px;
  background:#f1f4ea
}

/* 功能页签：胶囊分段控件 */
.product-tour {
  border-radius:26px;
  box-shadow:0 30px 70px -50px #233c3273
}
.product-tour .tour-tabs {
  gap:6px;
  padding:12px;
  border-bottom:0;
  background:#f0f3e9
}
.product-tour .tour-tabs button {
  padding:10px 20px;
  border:0;
  border-radius:999px;
  font-size:10px;
  transition:background .35s ease,color .35s ease,box-shadow .35s ease
}
.product-tour .tour-tabs button span {
  font-size:13px
}
.product-tour .tour-tabs button:hover {
  background:#e3e9d9;
  color:var(--ink)
}
.product-tour .tour-tabs button[aria-selected="true"] {
  background:var(--ink);
  color:#eef4e4;
  box-shadow:0 10px 22px -12px #233c32a6
}
.tour-copy ul {
  padding-left:0;
  list-style:none;
  font-size:12px
}
.tour-copy li {
  display:flex;
  align-items:center;
  gap:10px
}
.tour-copy li:before {
  content:"";
  flex:none;
  width:8px;
  height:8px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#eef6e3,#79a35a 70%);
  box-shadow:0 0 0 3px #79a35a1f
}
.tour-visual {
  box-shadow:0 22px 50px -26px #233c3259
}

/* 安全边界 */
.trust-section {
  padding-inline:44px;
  border:1px solid #dbe4cf;
  border-radius:26px;
  background:linear-gradient(135deg,#eef3e5,#f9faf5 60%,#edf2e3)
}
.trust-section h3 {
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13px
}
.trust-section h3:before {
  content:"";
  flex:none;
  width:10px;
  height:10px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#eef7e2,#79a35a 70%);
  box-shadow:0 0 0 4px #79a35a1f
}
.trust-section p {
  font-size:11.5px
}

/* FAQ：卡片式 */
.faq-list {
  display:grid;
  gap:10px;
  align-content:start
}
.faq-list details,.faq-list details:first-child {
  padding:0 22px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fafbf6;
  transition:background .3s ease,border-color .3s ease
}
.faq-list details:hover {
  border-color:#c6d4b6
}
.faq-list details[open] {
  border-color:#cddbbd;
  background:#eef3e6
}
.faq-list summary {
  padding-block:18px
}
.faq-orb {
  width:28px;
  height:28px;
  background:#e6ecdd;
  color:var(--green)
}
details[open] .faq-orb {
  background:var(--ink);
  color:#d9eac8
}
details[open] .faq-orb:after {
  scale:1.5
}

/* 结尾 */
.closing {
  isolation:isolate;
  border-color:#d3dfc4;
  background:radial-gradient(60% 85% at 50% 118%,#c9e0ad,transparent 70%),radial-gradient(36% 60% at 6% 0%,#f1ead8,transparent 70%),radial-gradient(36% 60% at 96% 6%,#dbe9de,transparent 70%),#edf2e4
}

/* 页脚 */
.site-footer>p {
  border-top:0
}
.maker-link {
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-left:4px;
  padding:3px 11px 3px 6px;
  border-radius:999px;
  background:#e6ecdd;
  color:var(--ink);
  font-size:11px;
  letter-spacing:.3px;
  transition:background .3s ease
}
.maker-link:hover {
  background:var(--lime)
}
.maker-link em {
  font-family:Georgia,serif;
  color:var(--green)
}
.maker-mark {
  width:12px;
  height:12px;
  border-radius:50%;
  background:conic-gradient(from 90deg,transparent 0 25%,var(--green));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2.5px),#000 calc(100% - 2px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 2.5px),#000 calc(100% - 2px));
  animation:orb-turn 1.4s linear infinite
}

#image-dialog {
  border-radius:22px
}
.dialog-toolbar {
  border-bottom:0
}

@media(max-width:1100px) {
  .stage-chip {
    display:none
  }
}
@media(max-width:800px) {
  #possibilities .usecase {
    padding:22px
  }
  .trust-section {
    padding-inline:28px
  }
}
@media(max-width:560px) {
  .usecase-grid {
    gap:12px
  }
  .product-tour .tour-tabs {
    gap:4px;
    padding:8px
  }
  .product-tour .tour-tabs button {
    flex:1;
    padding:9px 4px
  }
  .product-tour .tour-tabs button span {
    font-size:11px
  }
  .trust-section {
    padding-inline:22px
  }
  .faq-list details,.faq-list details:first-child {
    padding-inline:18px
  }
}
@media(prefers-reduced-motion:reduce) {
  .orb:before,.stage-chip,.live-dot,.maker-mark {
    animation:none
  }
}