/* ============================================================
   home 页面专属样式
   ============================================================ */

/* ---------- base ---------- */
:root {
  --canvas: #f7f8fc;
  --panel: #fff;
  --onyx: #202124;
  --blue: #1a73e8;
  --green: #34a853;
  --red: #ea4335;
  --yellow: #fbbc04;
  --ink: #202124;
  --soft: #5f6368;
  --dim: #6f7785;
  --line: #e5e7eb;
  --side: #eef1f8
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  overflow-x: hidden
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  overflow-x: hidden
}

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

button {
  cursor: pointer;
  font: inherit;
  border: 0;
  background: none;
  color: inherit
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #9b8aff;
  outline-offset: 3px
}

.wrap {
  max-width: 1248px;
  margin: auto;
  padding: 0 24px
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #0a0d3acc;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid #1e2353
}

.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px
}

.logo {
  font-size: 28px;
  font-weight: 900
}

.logo b {
  color: var(--green)
}

nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
  color: var(--soft)
}

nav a:hover {
  color: var(--ink)
}

nav a[aria-current] {
  color: var(--ink)
}

.btn {
  background: var(--blue);
  color: #fff;
  border-radius: 12px;
  padding: 13px 24px;
  font-weight: 600;
  transition: transform .25s, box-shadow .25s, background .25s
}

.btn:hover {
  background: #4752d6;
  transform: translateY(-3px);
  box-shadow: 0 12px 28px #5865f233
}

.btn.green {
  background: var(--green);
  color: #0a0d3a
}

.btn.green:hover {
  background: #2bd873;
  box-shadow: 0 12px 28px #35ed7e33
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 0;
  text-align: center;
  background: radial-gradient(ellipse at 18% 0%, #5865f2aa, transparent 55%), radial-gradient(ellipse at 85% 12%, #ec48bd55, transparent 50%), radial-gradient(ellipse at 50% 100%, #35ed7e22, transparent 45%), var(--canvas)
}

.badge {
  display: inline-block;
  padding: 7px 18px;
  border-radius: 999px;
  background: var(--panel);
  color: var(--dim);
  font-size: 13px
}

h1 {
  font-size: 64px;
  line-height: 1.25;
  margin: 26px 0 18px;
  font-weight: 900;
  letter-spacing: 1px
}

h1 span {
  background: linear-gradient(92deg, #8fa2ff, #35ed7e 55%, #ec48bd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent
}

.lead {
  color: var(--soft);
  line-height: 1.9;
  font-size: 18px;
  margin: 0 auto 32px;
  max-width: 760px
}

.acts {
  display: flex;
  gap: 14px;
  justify-content: center
}

.heroShot {
  width: min(880px, 84%);
  margin: 44px auto 0;
  border-radius: 40px 40px 88px 88px;
  overflow: hidden;
  box-shadow: 0 30px 80px #00000055;
  animation: rise .8s ease both
}

.heroShot img,
.heroShot video {
  display: block;
  width: 100%
}

.note {
  font-size: 12px;
  color: #7a84b8;
  padding: 16px 0 10px
}

.marq {
  overflow: hidden;
  background: var(--blue);
  padding: 20px 0;
  margin-top: 14px
}

.marq div {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: slide 22s linear infinite;
  font-size: 26px;
  font-weight: 900;
  white-space: nowrap
}

.marq span {
  color: #ffffffcc
}

.marq:hover div {
  animation-play-state: paused
}

section {
  padding: 88px 0
}

.kicker {
  color: var(--dim);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 2px
}

h2 {
  font-size: 42px;
  line-height: 1.35;
  margin: 14px 0 12px;
  font-weight: 900
}

.sub {
  color: var(--soft);
  margin: 0 0 36px
}

.center {
  text-align: center
}

.tabs {
  display: flex;
  gap: 12px;
  background: #161b49;
  border-radius: 16px;
  padding: 8px;
  margin-bottom: 36px
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 56px;
  border-radius: 12px;
  color: var(--soft);
  font-weight: 600;
  transition: .3s
}

.tab img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: saturate(.5) brightness(1.2);
  transition: .3s
}

.tab:hover {
  color: #fff
}

.tab[aria-selected=true] {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px #5865f244
}

.tab[aria-selected=true] img {
  filter: none
}

.panel {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 48px;
  align-items: center;
  background: var(--panel);
  border-radius: 40px;
  padding: 48px;
  min-height: 420px
}

.panel h3 {
  font-size: 32px;
  margin: 0 0 16px;
  font-weight: 900
}

.panel p {
  color: var(--soft);
  line-height: 1.9
}

.link {
  color: var(--green);
  font-weight: 700
}

.link:hover {
  text-decoration: underline
}

.shot {
  border-radius: 24px;
  overflow: hidden;
  background: #eef7f4;
  aspect-ratio: 1200/860
}

.shot img {
  width: 100%;
  display: block;
  animation: fade .5s ease
}

.fadein {
  animation: fade .45s ease
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 8px
}

.step {
  border-radius: 16px;
  padding: 24px;
  min-height: 196px;
  background: linear-gradient(135deg, #ec48bd, #9b5cf6);
  color: #fff;
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
  gap: 10px
}

.step:nth-child(2n) {
  background: linear-gradient(135deg, #5865f2, #7a4df2)
}

.step:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: 0 18px 40px #ec48bd33
}

.step b {
  font-size: 22px
}

.step p {
  color: #fff;
  opacity: .92;
  font-size: 14px;
  margin: 0
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px
}

.dark {
  background: var(--onyx);
  border-radius: 40px;
  padding: 34px;
  transition: transform .3s, box-shadow .3s
}

.dark:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 48px #00000066
}

.dark h3 {
  font-size: 24px;
  margin: 0 0 14px
}

.dark p {
  color: var(--soft);
  line-height: 1.9
}

.dark .link {
  font-size: 14px
}

.band {
  background: #000;
  border-radius: 40px;
  padding: 48px;
  display: grid;
  grid-template-columns: 560px 1fr;
  gap: 48px;
  align-items: center
}

.band img {
  width: 100%;
  border-radius: 24px;
  display: block
}

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px
}

.plan {
  border-radius: 40px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .3s, box-shadow .3s;
  color: #fff
}

.plan:hover {
  transform: translateY(-10px);
  box-shadow: 0 22px 52px #00000077
}

.plan.blue {
  background: var(--blue)
}

.plan.pink {
  background: linear-gradient(135deg, #ec48bd, #c04df0)
}

.plan.green {
  background: var(--green);
  color: #0a0d3a
}

.plan h3 {
  font-size: 24px;
  margin: 0
}

.price {
  font-size: 30px;
  font-weight: 900
}

.plan ul {
  padding-left: 20px;
  line-height: 2.2;
  margin: 6px 0;
  flex: 1;
  font-size: 15px
}

.plan .btn {
  width: 100%;
  text-align: center
}

.plan.blue .btn,
.plan.pink .btn {
  background: #fff;
  color: #0a0d3a
}

.plan.green .btn {
  background: #0a0d3a;
  color: #fff
}

.tag {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  opacity: .85
}

.plan.green .tag {
  color: #0a4a2a
}

.faq {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px
}

details {
  background: var(--panel);
  border-radius: 16px;
  padding: 22px 26px
}

summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 17px
}

summary::marker {
  color: var(--green)
}

details p {
  color: var(--soft);
  line-height: 1.9;
  margin: 14px 0 0
}

.cta {
  background: var(--blue);
  border-radius: 40px;
  padding: 56px;
  text-align: center
}

.cta h2 {
  margin: 0 0 10px
}

.cta p {
  color: #ffffffcc;
  margin: 0 0 26px
}

footer {
  background: #07091f;
  padding: 56px 0 40px
}

footer .big {
  font-size: 88px;
  font-weight: 900;
  color: #1e2353;
  line-height: 1
}

footer .row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--soft);
  margin-top: 26px;
  font-size: 14px
}

footer small {
  color: #7a84b8;
  display: block;
  margin-top: 22px
}

dialog {
  background: var(--panel);
  color: #fff;
  border: 0;
  border-radius: 28px;
  width: min(520px, 92vw);
  padding: 34px;
  box-shadow: 0 40px 100px #000a
}

dialog::backdrop {
  background: #0a0d3abb;
  backdrop-filter: blur(6px)
}

dialog h3 {
  margin: 0 0 6px;
  font-size: 24px
}

dialog .close {
  float: right;
  color: var(--soft);
  font-size: 14px
}

dialog .close:hover {
  color: #fff
}

dialog label {
  display: block;
  margin: 16px 0 4px;
  font-size: 14px;
  color: var(--soft)
}

dialog input,
dialog textarea {
  width: 100%;
  border: 1px solid #34396e;
  background: #141947;
  color: #fff;
  border-radius: 10px;
  padding: 12px;
  margin-top: 8px;
  font: inherit
}

dialog .btn {
  width: 100%;
  margin-top: 22px
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  background: var(--green);
  color: #0a0d3a;
  font-weight: 700;
  padding: 14px 26px;
  border-radius: 14px;
  box-shadow: 0 16px 40px #0008;
  z-index: 99
}

[hidden] {
  display: none !important
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s ease, transform .7s ease
}

.reveal.on {
  opacity: 1;
  transform: none
}

@keyframes slide {
  to {
    transform: translateX(-50%)
  }
}

@keyframes fade {
  from {
    opacity: 0;
    transform: scale(.98)
  }

  to {
    opacity: 1;
    transform: none
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(50px)
  }

  to {
    opacity: 1;
    transform: none
  }
}

@media(max-width:960px) {
  h1 {
    font-size: 40px
  }

  h2 {
    font-size: 30px
  }

  .panel,
  .band {
    grid-template-columns: 1fr;
    padding: 28px;
    gap: 28px
  }

  .steps {
    grid-template-columns: 1fr 1fr
  }

  .cards,
  .plans {
    grid-template-columns: 1fr
  }

  nav {
    display: none
  }

  .tabs {
    flex-direction: column
  }

  .tab img {
    width: 22px;
    height: 22px
  }

  .cta,
  footer .big {
    padding-left: 8px;
    padding-right: 8px
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important
  }

  .reveal {
    opacity: 1;
    transform: none
  }
}

/* WorkBuddy-inspired light workbench visual layer */
:root {
  --canvas: #f7f8fc;
  --panel: #fff;
  --blue: #0052d9;
  --green: #4cc39a;
  --red: #d54941;
  --yellow: #fbbc04;
  --ink: #1a1a1a;
  --soft: #646464;
  --dim: #646464;
  --line: #ebebeb;
  --side: #f1f2f4
}

header {
  background: rgba(255, 255, 255, .85);
  border-bottom: 1px solid #f2f4f8;
  backdrop-filter: blur(40px)
}

.logo b {
  color: var(--green)
}

nav {
  color: var(--soft)
}

nav a[aria-current] {
  color: var(--green)
}

.btn {
  border-radius: 8px;
  box-shadow: none
}

.btn:hover {
  background: #1b9668;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .08)
}

.btn.green,
.btn.green:hover {
  background: var(--green);
  color: #1a1a1a
}

.hero {
  background: linear-gradient(135deg, #f1f7f4 0%, #fff 72%);
  padding-top: 72px
}

.badge {
  background: #e9fff4;
  color: #1b9668;
  border: 1px solid #ddf0ec;
  border-radius: 999px
}

h1 span {
  background: none;
  color: var(--green)
}

.heroShot {
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
  border: 1px solid var(--line)
}

.note,
footer small {
  color: #a3a3a3
}

.marq {
  background: var(--green);
  border-block: 1px solid #4cc39a;
  padding: 16px 0
}

.marq span {
  color: #fff
}

section {
  padding: 80px 0
}

.kicker {
  color: #1b9668;
  letter-spacing: 1px
}

h2 {
  letter-spacing: -.03em
}

.tabs {
  background: var(--side);
  border: 1px solid var(--line);
  border-radius: 18px
}

.tab {
  border-radius: 999px;
  color: var(--soft)
}

.tab:hover {
  color: var(--ink)
}

.tab[aria-selected=true] {
  background: #fff;
  color: #1b9668;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06)
}

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06)
}

.link {
  color: #1b9668
}

.shot {
  background: #f7f8f9;
  border-radius: 16px
}

.steps {
  gap: 12px
}

.step,
.step:nth-child(2n) {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06)
}

.step b {
  color: #1b9668
}

.step p {
  color: var(--soft)
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .08)
}

.dark {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06)
}

.dark:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, .08)
}

.dark p {
  color: var(--soft)
}

.band {
  background: #f1f7f4;
  color: var(--ink);
  border: 1px solid #ddf0ec;
  border-radius: 20px
}

.band .sub {
  color: var(--soft)
}

.plans {
  align-items: stretch
}

.plan,
.plan.blue,
.plan.pink,
.plan.green {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06)
}

.plan:first-child {
  border: 2px solid #4cc39a;
  background: #f1f7f4
}

.plan:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .08)
}

.plan .btn,
.plan.blue .btn,
.plan.pink .btn,
.plan.green .btn {
  background: var(--green);
  color: #fff
}

.plan.green .tag {
  color: var(--green)
}

details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px
}

summary::marker {
  color: var(--green)
}

.cta {
  background: #f1f7f4;
  color: var(--ink);
  border: 1px solid #ddf0ec;
  border-radius: 20px
}

.cta p {
  color: var(--soft)
}

footer {
  background: #1a1a1a
}

footer .big {
  color: #2c2c2c
}

footer .row {
  color: #bfbfbf
}

dialog {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 20px
}

dialog input,
dialog textarea {
  border-color: var(--line);
  background: #fff;
  color: var(--ink)
}

dialog label,
dialog .close {
  color: var(--soft)
}

.toast {
  background: var(--green);
  color: #fff
}

@media(max-width:960px) {
  section {
    padding: 64px 0
  }

  .hero {
    padding-top: 56px
  }

  .panel {
    padding: 26px
  }

  .heroShot {
    width: 100%
  }
}

@media(max-width:640px) {
  h1 {
    font-size: 38px
  }

  .lead {
    font-size: 15px
  }

  .acts {
    flex-direction: column;
    align-items: stretch
  }

  .acts .btn {
    width: 100%
  }

  .steps {
    grid-template-columns: 1fr
  }

  .steps .step {
    min-height: 140px
  }

  .panel {
    min-height: 0
  }

  .panel h3 {
    font-size: 26px
  }

  .tab {
    height: auto;
    min-height: 52px
  }

  .heroShot {
    margin-top: 36px
  }

  .marq div {
    font-size: 20px
  }

  .nav {
    gap: 10px
  }

  .nav nav {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    white-space: nowrap;
    gap: 16px;
    scrollbar-width: none
  }

  .nav nav::-webkit-scrollbar {
    display: none
  }

  .nav>.btn {
    padding: 10px 12px;
    white-space: nowrap;
    font-size: 12px
  }

  .logo {
    font-size: 24px
  }
}

.tab:hover {
  color: var(--ink)
}

.step:hover {
  transform: translateY(-4px) rotate(0deg)
}

.steps,
.cards,
.plans {
  align-items: stretch
}

.marq div {
  will-change: transform
}

/* Loomy-inspired scene selector */
.scene-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 34px 0 18px
}

.scene-tab {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
  transition: .25s
}

.scene-tab:hover {
  border-color: #9ce8d4;
  transform: translateY(-2px)
}

.scene-tab[aria-selected=true] {
  border-color: var(--green);
  background: #f1f7f4;
  box-shadow: 0 8px 22px rgba(0, 194, 154, .12)
}

.scene-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 12px;
  background: #e9fff4;
  color: #1b9668;
  font-size: 12px;
  font-weight: 800
}

.scene-tab b,
.scene-tab small {
  display: block
}

.scene-tab b {
  font-size: 16px;
  margin-bottom: 6px
}

.scene-tab small {
  color: var(--soft);
  font-size: 12px;
  line-height: 1.5
}

.scene-panel {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 42px;
  align-items: center;
  min-height: 390px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06)
}

.scene-panel h3 {
  font-size: 34px;
  line-height: 1.25;
  margin: 12px 0
}

.scene-panel p {
  color: var(--soft);
  line-height: 1.8
}

.scene-panel p.link,
.scene-panel a.link {
  color: #1b9668
}

.scene-panel .shot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  aspect-ratio: 16/10;
  overflow: hidden;
  padding: 18px;
  background: #f7f8f9;
  border-radius: 18px
}

.scene-panel .shot img,
.heroShot img,
.band>img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center
}

.heroShot {
  overflow: hidden;
  aspect-ratio: 16/9
}

.band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  overflow: hidden;
  padding: 42px
}

.band>img {
  aspect-ratio: 16/10;
  max-height: 340px;
  object-fit: contain
}

.ecosystem-band {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
  padding: 58px;
  border-radius: 24px;
  background: linear-gradient(135deg, #f1f7f4, #fff);
  border: 1px solid #ddf0ec
}

.eco-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0
}

.eco-points span {
  padding: 8px 13px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #ccefe5;
  color: #1b9668;
  font-size: 13px
}

.eco-visual {
  position: relative;
  min-height: 300px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid #ddf0ec
}

.eco-node {
  position: absolute;
  padding: 13px 17px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .08);
  font-size: 13px
}

.eco-node.main {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--green);
  border-color: var(--green);
  font-weight: 800
}

.eco-node.one {
  left: 10%;
  top: 20%
}

.eco-node.two {
  right: 8%;
  top: 18%
}

.eco-node.three {
  left: 35%;
  bottom: 12%
}

.eco-visual:before,
.eco-visual:after {
  content: "";
  position: absolute;
  background: #bcefe1;
  height: 1px;
  transform-origin: left center
}

.eco-visual:before {
  width: 110px;
  left: 30%;
  top: 40%;
  transform: rotate(22deg)
}

.eco-visual:after {
  width: 100px;
  right: 28%;
  top: 40%;
  transform: rotate(155deg)
}

@media(max-width:960px) {

  .scene-panel,
  .ecosystem-band,
  .band {
    grid-template-columns: 1fr
  }

  .scene-panel {
    gap: 22px
  }

  .eco-visual {
    min-height: 250px
  }
}

@media(max-width:640px) {
  .scene-tabs {
    grid-template-columns: 1fr
  }

  .scene-tab {
    padding: 16px
  }

  .scene-panel {
    padding: 24px;
    min-height: 0
  }

  .scene-panel h3 {
    font-size: 27px
  }

  .scene-panel .shot {
    min-height: 220px
  }

  .ecosystem-band {
    padding: 28px
  }

  .eco-visual {
    min-height: 220px
  }
}

.marq {
  overflow: hidden
}

.scene-panel>* {
  min-width: 0
}

.scene-panel img,
.band img {
  max-width: 100%
}

.nav-actions {
  display: flex;
  gap: 10px
}

.btn.green,
.btn.green:hover {
  background: var(--green);
  color: #fff
}

.btn.login {
  background: #fff;
  color: #1b9668;
  border: 1px solid #bcefe1
}

.btn.login:hover {
  background: #f1f7f4;
  color: #1b9668
}

.nav {
  position: relative
}

.nav:after {
  content: "";
  position: absolute;
  inset: 10px -16px;
  z-index: -1;
  border-radius: 999px;
  background: rgba(255, 255, 255, .9);
  border: 1px solid #e6efed;
  box-shadow: 0 8px 28px rgba(20, 55, 45, .08);
  backdrop-filter: blur(20px)
}

.ecoai {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  align-items: stretch;
  padding: 20px;
  border: 1px solid #e7eaf0;
  border-radius: 28px;
  background: linear-gradient(135deg, #fbfffe 0%, #f5f8fc 100%);
  box-shadow: 0 18px 50px rgba(33, 50, 73, .08)
}

.ecoai-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px
}

.ecoai-tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 18px 16px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  color: var(--ink);
  transition: transform .28s ease, background .28s ease, border-color .28s ease, box-shadow .28s ease
}

.ecoai-tab:after {
  content: '↗';
  position: absolute;
  right: 16px;
  top: 16px;
  color: #a5aeb9;
  font-size: 14px;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: .28s
}

.ecoai-tab:hover {
  border-color: #d7e2e1;
  background: #fff;
  transform: translateX(4px)
}

.ecoai-tab:hover:after,
.ecoai-tab[aria-selected=true]:after {
  opacity: 1;
  transform: none
}

.ecoai-tab[aria-selected=true] {
  border-color: #bfe3d2;
  background: #fff;
  box-shadow: 0 12px 24px rgba(21, 62, 72, .1);
  transform: translateX(4px)
}

.ecoai-logo {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 14px;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 8px 18px rgba(26, 45, 68, .14)
}

.ecoai-tab[aria-selected=true] .ecoai-logo {
  transform: scale(1.06);
  transition: .28s
}

.ecoai-logo.wb {
  background: linear-gradient(135deg, #4cc39a, #1b9668)
}

.ecoai-logo.bd {
  background: linear-gradient(135deg, #246bfd, #1743b5)
}

.ecoai-logo.qw {
  background: linear-gradient(135deg, #7d72ff, #4b40c9)
}

.ecoai-logo.db {
  background: linear-gradient(135deg, #4e7fff, #264d9c)
}

.ecoai-tab b,
.ecoai-tab small {
  display: block
}

.ecoai-tab b {
  font-size: 15px;
  letter-spacing: .02em
}

.ecoai-tab small {
  color: var(--soft);
  font-size: 12px;
  margin-top: 4px
}

.ecoai-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 34px;
  align-items: center;
  min-height: 370px;
  padding: 46px;
  border: 1px solid #e8edf2;
  border-radius: 22px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04)
}

.ecoai-panel:before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  right: -90px;
  top: -110px;
  border-radius: 50%;
  background: radial-gradient(circle, #e2f2ea, transparent 68%);
  pointer-events: none
}

.ecoai-panel h3 {
  font-size: 34px;
  letter-spacing: -.04em;
  margin: 12px 0
}

.ecoai-panel p {
  color: var(--soft);
  line-height: 1.8;
  max-width: 420px
}

.ecoai-panel .ecoai-shot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 235px;
  border-radius: 20px;
  background: linear-gradient(135deg, #eaf7f1 0%, #eef5ff 100%);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: .04em;
  color: #1b9668;
  box-shadow: inset 0 0 0 1px rgba(0, 146, 115, .08)
}

.ecoai-shot:before,
.ecoai-shot:after {
  content: '';
  position: absolute;
  border: 1px solid rgba(0, 146, 115, .17);
  border-radius: 50%;
  width: 190px;
  height: 190px
}

.ecoai-shot:before {
  transform: translate(-70px, 25px)
}

.ecoai-shot:after {
  transform: translate(70px, -25px)
}

.ecoai-shot {
  isolation: isolate
}

.ecoai-shot::first-line {
  position: relative;
  z-index: 1
}

.join-band {
  padding: 56px 52px;
  border-radius: 26px;
  background: linear-gradient(135deg, #f1f7f4 0%, #f7faff 60%, #fff 100%);
  border: 1px solid #ddf0ec;
  box-shadow: 0 18px 46px rgba(29, 62, 70, .07);
  position: relative;
  overflow: hidden
}

.join-band:before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, #d9efe5, transparent 70%);
  left: -90px;
  top: -90px;
  pointer-events: none
}

.join-head {
  text-align: center;
  margin-bottom: 38px;
  position: relative
}

.join-head .kicker {
  letter-spacing: 3px
}

.join-head h2 {
  font-size: 34px;
  letter-spacing: -.03em;
  margin: 12px 0 10px
}

.join-head .sub {
  font-size: 15px
}

.join-steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  position: relative
}

.join-step {
  position: relative;
  text-align: left;
  padding: 30px 26px 28px;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s, border-color .25s
}

.join-step:first-child {
  border-radius: 18px 0 0 18px
}

.join-step:last-child {
  border-radius: 0 18px 18px 0
}

.join-step+.join-step {
  border-left: 0
}

.join-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(29, 62, 70, .1);
  border-color: #bfe3d2;
  z-index: 1
}

.join-step:not(:last-child):after {
  content: '';
  position: absolute;
  right: -11px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 10px solid #bfe3d2;
  z-index: 2
}

.join-step-num {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #4cc39a;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
  box-shadow: 0 4px 10px rgba(0, 194, 154, .3)
}

.join-step h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 8px;
  letter-spacing: -.01em
}

.join-step p {
  color: var(--soft);
  line-height: 1.7;
  font-size: 13px;
  margin: 0
}

.join-step .join-step-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 11px;
  border-radius: 999px;
  background: #f1f7f4;
  color: #1b9668;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em
}

.join-band h2 {
  font-size: 34px
}

.eco-copy {
  position: relative;
  z-index: 1
}

.eco-copy .kicker {
  margin-bottom: 14px
}

.eco-copy h3 {
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -.04em;
  margin: 0 0 14px
}

.eco-copy p {
  font-size: 15px;
  margin-bottom: 18px
}

.eco-meta {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 999px;
  background: #f1f7f4;
  border: 1px solid #d9efe5;
  color: #1b9668;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em
}

.ecoai-shot span {
  position: relative;
  z-index: 1
}

.ecoai-shot i {
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0, 194, 154, .12), rgba(0, 82, 217, .1));
  animation: float-shape 4s ease-in-out infinite
}

.ecoai-shot i:nth-of-type(1) {
  left: 18%;
  top: 22%
}

@keyframes float-shape {

  0%,
  100% {
    transform: translateY(0)
  }

  50% {
    transform: translateY(-12px)
  }
}

.fadein {
  animation: fadein .5s ease
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: translateY(8px)
  }

  to {
    opacity: 1;
    transform: none
  }
}

@media(max-width:960px) {

  .ecoai,
  .ecoai-panel {
    grid-template-columns: 1fr
  }

  .ecoai-tabs {
    flex-direction: row;
    overflow-x: auto
  }

  .ecoai-tab {
    flex: 0 0 auto
  }

  .join-steps {
    grid-template-columns: 1fr
  }

  .join-step:first-child,
  .join-step:last-child {
    border-radius: 0
  }

  .join-step+.join-step {
    border-left: 1px solid var(--line);
    border-top: 0
  }

  .join-step:not(:last-child):after {
    content: '↓';
    right: 50%;
    top: auto;
    bottom: -16px;
    transform: translateX(50%);
    border: 0;
    color: #bfe3d2;
    font-size: 16px;
    font-weight: 800;
    background: none;
    width: auto;
    height: auto
  }

  .join-step:last-child {
    border-radius: 0 0 18px 18px
  }

  .join-step:first-child {
    border-radius: 18px 18px 0 0
  }
}

@media(max-width:640px) {
  .join-band {
    padding: 28px 20px
  }

  .ecoai {
    padding: 10px;
    border-radius: 22px
  }

  .ecoai-tabs {
    padding: 4px
  }

  .ecoai-tab {
    padding: 14px 12px
  }

  .ecoai-panel {
    padding: 24px;
    min-height: 0
  }

  .ecoai-panel h3 {
    font-size: 28px
  }

  .nav-actions .btn {
    padding: 9px 11px;
    font-size: 11px
  }

  .nav-actions {
    gap: 6px
  }

  .join-band h2 {
    font-size: 26px
  }

  .join-step {
    padding: 22px 18px
  }
}

/* final navigation and ecosystem polish */
header {
  position: sticky;
  top: 16px;
  background: transparent;
  border: 0;
  backdrop-filter: none;
  padding: 0 24px
}

header .wrap {
  max-width: 1248px
}

.nav {
  height: 64px;
  padding: 0 18px
}

.nav:after {
  inset: 0;
  border-radius: 22px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 10px 34px rgba(29, 62, 70, .1);
  border-color: #e4eeeb
}

.logo {
  font-size: 24px;
  letter-spacing: -.04em
}

nav {
  gap: 22px;
  font-size: 13px
}

nav a {
  padding: 8px 2px;
  transition: color .2s, transform .2s
}

nav a:hover {
  transform: translateY(-1px)
}

.nav-actions {
  gap: 8px
}

.nav-actions .btn {
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 11px;
  line-height: 1;
  font-weight: 700
}

.nav-actions .btn.login {
  background: #f5fffc
}

.nav-actions .btn.green {
  color: #fff
}

.hero {
  padding-top: 64px
}

.ecoai {
  animation: eco-rise .7s ease both
}

@keyframes eco-rise {
  from {
    opacity: 0;
    transform: translateY(18px)
  }

  to {
    opacity: 1;
    transform: none
  }
}

@media(max-width:960px) {
  header {
    top: 10px;
    padding: 0 14px
  }

  .nav {
    padding: 0 14px
  }

  .nav:after {
    inset: 0
  }

  .nav-actions .btn {
    font-size: 10px;
    padding: 9px 11px
  }
}

@media(max-width:640px) {
  header {
    top: 8px;
    padding: 0 10px
  }

  .nav {
    height: 58px;
    padding: 0 10px
  }

  .logo {
    font-size: 22px
  }

  .nav-actions .btn {
    font-size: 10px;
    padding: 8px 9px
  }

  .nav-actions .btn.login {
    display: none
  }

  .hero {
    padding-top: 48px
  }
}

/* ---------- wb-align ---------- */
:root {
  --ink: #1a1a1a;
  --soft: #646464;
  --dim: #646464;
  --line: #f2f4f8;
  --green: #4cc39a;
  --text-brand: #1b9668;
  --canvas: #fff;
  --panel: #fff;
  --side: #f7f8fa
}

html {
  scroll-padding-top: 80px
}

body {
  background: #fff;
  color: #1a1a1a;
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-weight: 400;
  padding-top: 65px;
  -webkit-font-smoothing: antialiased
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 65px;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-bottom: 1px solid #f2f4f8;
  box-shadow: none;
  padding: 0;
  z-index: 1100
}

.nav {
  max-width: 1436px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px
}

.nav:after {
  display: none
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: -.02em;
  flex: 0 0 auto
}

.logo b {
  color: #1b9668
}

nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
  color: #646464;
  margin-left: 4px
}

nav a {
  position: relative;
  color: #646464;
  padding: 6px 0;
  transition: color .3s
}

nav a:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1.5px;
  width: 0;
  background: #1b9668;
  transition: width .3s
}

nav a:hover {
  color: #1a1a1a
}

nav a:hover:after {
  width: 100%
}

nav a[aria-current] {
  color: #1b9668
}

nav a[aria-current]:after {
  width: 100%
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px
}

.nav-actions .btn {
  height: 40px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 20px;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  transition: background .3s, color .3s, opacity .3s
}

.nav-actions .btn.login {
  background: transparent;
  color: #1a1a1a;
  border: 0
}

.nav-actions .btn.login:hover {
  background: rgba(0, 0, 0, .05);
  color: #1a1a1a
}

.nav-actions .btn.green {
  background: #1a1a1a;
  color: #fff;
  border: 0
}

.nav-actions .btn.green:hover {
  background: #000;
  color: #fff;
  opacity: 1;
  box-shadow: none
}

.btn {
  border-radius: 999px;
  font-weight: 500;
  transition: transform .3s, box-shadow .3s, background .3s, color .3s
}

.btn:hover {
  transform: translateY(-2px)
}

.btn.green {
  background: #1b9668;
  color: #fff
}

.btn.green:hover {
  background: #007a60;
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 146, 115, .22)
}

h1 {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: #1a1a1a
}

h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: #1a1a1a
}

h3 {
  font-weight: 500;
  color: #1a1a1a;
  letter-spacing: -.01em
}

.kicker {
  color: #1b9668;
  font-weight: 500;
  letter-spacing: .08em;
  font-size: 13px
}

.lead {
  color: #646464;
  font-weight: 300;
  line-height: 1.75
}

.sub {
  color: #646464;
  font-weight: 300
}

p {
  font-weight: 300
}

.hero {
  background: #fff;
  padding-top: 48px
}

.badge {
  background: #f1f7f4;
  color: #1b9668;
  border: 1px solid #ddf0ec;
  border-radius: 999px;
  font-weight: 400
}

.note {
  color: #a3a3a3;
  font-weight: 300
}

.panel,
.scene-panel,
.ecoai,
.ecoai-panel,
.band,
.dark,
.step,
.plan,
.join-band,
.faq {
  box-shadow: none
}

.tab[aria-selected=true] {
  color: #1b9668
}

.link {
  color: #1b9668
}

footer {
  background: #fafafa;
  color: #1a1a1a
}

footer .big {
  color: #1a1a1a;
  font-weight: 500
}

footer small {
  color: #a3a3a3;
  font-weight: 300
}

@media(max-width:960px) {
  body {
    padding-top: 60px
  }

  header {
    height: 60px
  }

  .nav {
    padding: 0 16px;
    gap: 14px
  }

  nav {
    display: none
  }

  .nav-actions .btn {
    height: 36px;
    padding: 8px 16px;
    font-size: 13px
  }
}

@media(max-width:640px) {
  body {
    padding-top: 56px
  }

  header {
    height: 56px
  }

  .nav {
    padding: 0 12px;
    height: 55px
  }

  .logo {
    font-size: 18px
  }

  .nav-actions {
    gap: 8px
  }

  .nav-actions .btn.login {
    display: none
  }

  .nav-actions .btn {
    height: 34px;
    padding: 8px 14px;
    font-size: 12px
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    transition: none !important;
    animation: none !important
  }
}

.wrap.nav,
header .wrap.nav {
  max-width: 1436px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%
}

.eco2 {
  position: relative;
  display: grid;
  grid-template-columns: auto 330px 1fr;
  gap: 20px;
  background: #f4f4f6;
  border-radius: 28px;
  padding: 40px;
  overflow: hidden
}

.eco2-chev {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center
}

.eco2-chev-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  color: #6b7294;
  font-size: 12px;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
  transition: transform .3s, color .3s
}

.eco2-chev-btn:hover {
  transform: scale(1.1);
  color: #181c1f
}

.eco2-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch
}

.eco2-tab {
  display: block;
  text-align: left;
  border: 0;
  padding: 0;
  background: none;
  color: #181c1f;
  cursor: pointer
}

.eco2-tab .eco2-pill {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(107, 114, 148, .08);
  font-size: 16px;
  font-weight: 500;
  transition: background .35s, border-radius .35s, padding .35s
}

.eco2-row {
  display: flex;
  align-items: center;
  gap: 10px
}

.eco2-tab .eco2-ic {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
  font-weight: 400
}

.eco2-tab .eco2-desc {
  display: none;
  font-size: 13px;
  font-weight: 300;
  color: #3a3f45;
  line-height: 1.7;
  margin: 0;
  max-width: none
}

.eco2-tab:hover .eco2-pill {
  background: rgba(107, 114, 148, .14)
}

.eco2-tab[aria-selected=true] .eco2-pill {
  border-radius: 24px;
  background: rgba(107, 114, 148, .12);
  padding: 16px
}

.eco2-tab[aria-selected=true] .eco2-desc {
  display: block;
  margin-top: 10px;
  animation: fadein .45s ease
}

.eco2-cap {
  margin-top: 20px;
  font-size: 14px;
  font-weight: 300;
  color: #3a3f45;
  text-align: center;
  max-width: 440px;
  line-height: 1.7;
  animation: fadein .45s ease
}

.eco2-stage {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center
}

.eco2-panel {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center
}

.eco2-shot {
  width: min(520px, 92%);
  aspect-ratio: 4/3;
  border-radius: 24px;
  background: linear-gradient(135deg, #eaf7f1, #eef5ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 700;
  color: #1b9668;
  letter-spacing: .04em;
  white-space: nowrap;
  box-shadow: 0 30px 60px rgba(24, 28, 31, .12);
  animation: eco2float 5s ease-in-out infinite
}

.eco2-shot span {
  transform: rotate(-4deg)
}

@keyframes eco2float {

  0%,
  100% {
    transform: rotate(-4deg) translateY(0)
  }

  50% {
    transform: rotate(-3deg) translateY(-14px)
  }
}

.eco2-next {
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #181c1f;
  color: #fff;
  font-size: 18px;
  display: grid;
  place-items: center;
  transition: transform .3s, background .3s
}

.eco2-next:hover {
  transform: scale(1.08);
  background: #000
}

@media(max-width:960px) {
  .eco2 {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 16px
  }

  .eco2-chev {
    flex-direction: row;
    justify-content: flex-start
  }

  .eco2-stage {
    min-height: 280px
  }
}

footer {
  background: #0a0a0a;
  color: #bfbfbf;
  padding: 0 0 56px;
  margin-top: 80px
}

footer .wrap {
  max-width: none;
  padding: 0
}

.ft-top {
  display: flex;
  gap: 40px;
  padding: 80px 48px 64px;
  max-width: 1436px;
  margin: 0 auto;
  flex-wrap: wrap
}

.ft-brand {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 320px
}

.ft-logo {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em
}

.ft-logo b {
  color: #4cc39a
}

.ft-brand p {
  font-size: 13.5px;
  font-weight: 300;
  color: #bfbfbf;
  line-height: 1.8;
  margin: 0
}

.ft-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 120px
}

.ft-col h3 {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  margin: 0
}

.ft-col a {
  font-size: 13.5px;
  font-weight: 300;
  color: #bfbfbf;
  transition: color .3s
}

.ft-col a:hover {
  color: #fff
}

.ft-bottom {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 26px 48px;
  font-size: 12px;
  font-weight: 300;
  color: #bfbfbf;
  max-width: 1436px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, .08)
}

.ft-wordmark {
  max-width: 1436px;
  margin: 0 auto;
  padding: 8px 48px 0;
  font-size: clamp(64px, 12vw, 150px);
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, .06);
  letter-spacing: -.02em;
  user-select: none
}

@media(max-width:960px) {
  .ft-top {
    padding: 56px 24px 40px;
    gap: 32px
  }

  .ft-bottom {
    padding: 20px 24px
  }

  .ft-wordmark {
    padding: 8px 24px 0
  }
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 10px;
  background: rgba(107, 114, 148, .08);
  color: #1a1a1a;
  font-size: 16px;
  place-items: center;
  cursor: pointer
}

@media(max-width:960px) {
  .nav-toggle {
    display: grid
  }

  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: #fff;
    border: 1px solid #f2f4f8;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, .1);
    padding: 10px;
    gap: 2px;
    z-index: 60
  }

  header.nav-open nav {
    display: flex
  }

  nav a {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 15px
  }

  nav a:hover {
    background: #f7f8fa
  }

  nav a:after {
    display: none
  }
}

.center {
  text-align: center
}

.faq {
  max-width: 760px;
  margin: 36px auto 0
}

.faq details {
  border: 1px solid #f2f4f8;
  border-radius: 14px;
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
  padding: 0
}

.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 500;
  font-size: 15px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px
}

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

.faq summary:after {
  content: "+";
  color: #1b9668;
  font-size: 18px;
  font-weight: 500
}

.faq details[open] summary:after {
  content: "–"
}

.faq details p {
  padding: 0 22px 18px;
  color: #646464;
  font-weight: 300;
  line-height: 1.8;
  margin: 0
}

.sec-h {
  font-size: 30px;
  font-weight: 500;
  margin: 0 0 10px;
  letter-spacing: -.02em
}

.sec-p {
  color: #646464;
  font-weight: 300;
  margin: 0 0 26px
}

.cols3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px
}

.cols3 .card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px
}

.cols3 .btn {
  margin-top: auto
}

@media(max-width:900px) {
  .cols3 {
    grid-template-columns: 1fr
  }
}

dialog {
  border: 0;
  border-radius: 16px;
  padding: 28px;
  max-width: 420px;
  width: calc(100% - 40px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .2)
}

dialog::backdrop {
  background: rgba(0, 0, 0, .4)
}

dialog h2 {
  margin: 0 0 8px;
  font-size: 20px
}

dialog .close {
  float: right;
  border: 0;
  background: none;
  color: #646464;
  cursor: pointer
}

dialog label {
  display: block;
  font-size: 13px;
  color: #646464;
  margin-bottom: 12px
}

dialog input,
dialog textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border: 1px solid #dfe9e5;
  border-radius: 8px;
  font: inherit
}

dialog .btn {
  width: 100%
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: #1a1a1a;
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 99
}

/* ---------- hero-bg ---------- */
.hero {
  background: radial-gradient(720px 340px at 12% 0%, #d9f7ee 0%, rgba(217, 247, 238, 0) 62%), radial-gradient(640px 300px at 88% 8%, #e6fbf4 0%, rgba(230, 251, 244, 0) 60%), linear-gradient(180deg, #eef7f2 0%, #ffffff 76%)
}

a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none
}

/* ---------- loomy-tabs ---------- */
.scene-tabs {
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 34px 0 18px
}

.scene-tab {
  min-height: 148px;
  align-items: center;
  padding: 20px 22px
}

.scene-tab[aria-selected=true] {
  background: #22b07c;
  box-shadow: 0 12px 30px rgba(0, 173, 136, .3)
}

.scene-tab[aria-selected=true] small {
  color: rgba(255, 255, 255, .85)
}

.scene-tab {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 14px 18px;
  border: 0;
  border-radius: 24px;
  background: #17181a;
  color: #e8f2ec;
  transition: background .35s, color .35s, transform .3s, box-shadow .3s
}

.scene-tab:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(23, 24, 26, .25)
}

.scene-tab[aria-selected=true] {
  background: #22b07c;
  color: #f2fff7;
  box-shadow: 0 12px 30px rgba(0, 173, 136, .3)
}

.scene-tab .scene-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  overflow: hidden
}

.scene-tab .scene-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block
}

.scene-tab[aria-selected=true] .scene-icon {
  background: rgba(255, 255, 255, .22)
}

.scene-tab b {
  font-size: 16px;
  font-weight: 500;
  display: block;
  margin-bottom: 4px
}

.scene-tab small {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(232, 242, 236, .65);
  display: block
}

.scene-tab[aria-selected=true] small {
  color: rgba(242, 255, 247, .8)
}

@media(max-width:960px) {
  .scene-tabs {
    grid-template-columns: 1fr
  }
}

/* ---------- eco-imgs ---------- */
#eco-ai {
  padding-top: 36px
}

.eco2-shot {
  min-height: 320px;
  padding: 0;
  overflow: hidden;
  background: #eef2f5
}

.eco2-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block
}

/* ---------- scene-v2 ---------- */
.scene-tab {
  background: #f2f4f6;
  color: #1a1a1a
}

.scene-tab:hover {
  background: #e9ecee
}

.scene-tab small {
  color: #646464
}

.scene-tab .scene-icon {
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06)
}

.scene-tab[aria-selected=true] {
  background: #22b07c;
  color: #ffffff
}

.scene-tab[aria-selected=true] small {
  color: rgba(255, 255, 255, .85)
}

.scene-tab[aria-selected=true] .scene-icon {
  background: rgba(255, 255, 255, .22);
  box-shadow: none
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px
}

.scene-tags i {
  font-style: normal;
  font-size: 11px;
  line-height: 1;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(26, 26, 26, .07);
  color: #1a1a1a
}

.scene-tab[aria-selected=true] .scene-tags i {
  background: rgba(255, 255, 255, .2);
  color: #ffffff
}

/* ---------- sec-bg ---------- */
#pricing {
  background: #f7faf9
}

.scene-panel {
  background: #f7faf9
}

/* ---------- scroll-css ---------- */
.scroll-wrap {
  position: relative;
  display: inline-block
}

.scroll-text {
  display: inline-block;
  clip-path: inset(-12% 100% -12% 0);
  animation: scroll-open 1.9s cubic-bezier(.45, .05, .55, .95) .35s forwards
}

@keyframes scroll-open {
  to {
    clip-path: inset(-12% 0% -12% 0)
  }
}

.t-ink {
  color: #1a1a1a
}

.t-green {
  color: #22b07c
}

@keyframes rod-move {
  0% {
    left: 0;
    opacity: 1
  }

  88% {
    opacity: 1
  }

  100% {
    left: 100%;
    opacity: 0
  }
}

@media(prefers-reduced-motion:reduce) {
  .scroll-text {
    clip-path: none;
    animation: none
  }
}

/* ---------- pricing-home ---------- */
#pricing .plans5 {
  grid-template-columns: repeat(3, 1fr)
}

@media(max-width:960px) {
  #pricing .plans5 {
    grid-template-columns: 1fr;
    gap: 14px
  }

  #pricing .plan5 {
    min-height: 0
  }
}

.more-plans {
  display: flex;
  justify-content: center;
  margin-top: 28px
}

.more-plans .btn {
  background: #1a1a1a;
  color: #fff;
  padding: 12px 36px;
  border-radius: 999px;
  font-size: 14px
}

.more-plans .btn:hover {
  background: #000
}

/* ===== 专家团 Dock 板块 ===== */
#experts {
  position: relative;
  z-index: 6;
  padding: 30px 0 70px
}

.experts-dock {
  position: relative;
  margin-top: 10px
}

.experts-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(10px, 2.4vw, 34px);
  padding: 160px 18px 10px
}

.exp {
  border: 0;
  background: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transform-origin: 50% 100%;
  transition: transform .28s cubic-bezier(.34, 1.56, .64, 1);
  will-change: transform
}

.exp img {
  width: clamp(72px, 8.6vw, 116px);
  height: clamp(72px, 8.6vw, 116px);
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 3px solid #fff;
  box-shadow: 0 10px 26px rgba(24, 28, 31, .14);
  background: #fff
}

.exp span {
  font-size: 13px;
  font-weight: 600;
  color: #1a1a1a;
  background: rgba(255, 255, 255, .7);
  border-radius: 999px;
  padding: 4px 12px
}

/* 会话气泡 */
.exp-bubble {
  position: absolute;
  top: -26px;
  left: 0;
  width: min(330px, 86vw);
  background: #fff;
  border: 1px solid #e7eeec;
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 16px 40px rgba(24, 28, 31, .12);
  opacity: 0;
  transform: translateY(8px) scale(.96);
  transition: opacity .22s, transform .22s;
  pointer-events: none;
  z-index: 5
}

.exp-bubble.on {
  opacity: 1;
  transform: translateY(0) scale(1)
}

.exp-bubble:after {
  content: "";
  position: absolute;
  left: var(--ax, 50%);
  bottom: -7px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-right: 1px solid #e7eeec;
  border-bottom: 1px solid #e7eeec;
  transform: translateX(-50%) rotate(45deg)
}

.exp-b-name {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: #1b9668
}

.exp-b-text {
  margin: 0;
  font-size: 13px;
  font-weight: 300;
  color: #3a3f45;
  line-height: 1.75
}

@media(max-width:640px) {
  /* 手机版：横向滑动展现专家 */
  .experts-row {
    gap: 14px;
    padding: 54px 10px 120px;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none
  }

  .experts-row::-webkit-scrollbar {
    display: none
  }

  .exp {
    flex: 0 0 auto;
    scroll-snap-align: center
  }

  .exp span {
    font-size: 11px;
    padding: 3px 8px
  }

  /* 气泡在专家下方，箭头朝上 */
  .exp-bubble.below:after {
    bottom: auto;
    top: -7px;
    border-right: 0;
    border-bottom: 0;
    border-left: 1px solid #e7eeec;
    border-top: 1px solid #e7eeec
  }
}

/* 召唤专家按钮 */
.experts-cta {
  display: flex;
  justify-content: center;
  margin-top: 40px
}

@media(max-width:640px) {
  .experts-cta {
    margin-top: 18px
  }
}

.experts-cta .btn {
  padding: 14px 44px;
  font-size: 15px;
  font-weight: 600
}