:root {
  --bg: #eef2ee;
  --paper: #ffffff;
  --ink: #101513;
  --muted: #667064;
  --faint: #eff4f0;
  --line: #dce4dc;
  --line-strong: #cdd8cf;
  --green: #45c861;
  --green-dark: #188d40;
  --dark: #10161b;
  --dark-2: #171f26;
  --dark-3: #222c35;
  --shadow: 0 18px 56px rgba(18, 25, 20, 0.13);
  --soft-shadow: 0 14px 36px rgba(18, 25, 20, 0.08);
  font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 22% 8%, rgba(69, 200, 97, 0.09), transparent 28%),
    linear-gradient(180deg, #f7faf7 0%, var(--bg) 100%);
}

body,
button,
input,
select,
textarea {
  font-family: inherit;
}

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

button,
select,
textarea {
  font: inherit;
}

.site-frame {
  width: min(1510px, calc(100vw - 132px));
  margin: 28px 28px 28px auto;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 64px;
  padding: 0 36px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.top-actions,
.hero-actions,
.fact-row,
.panel-head,
.panel-head > div,
.panel-controls,
.chips,
.post-stats,
.recommend-row,
.metrics,
.word-cloud,
.card-title-row,
.project-row,
.highlight-item,
.status,
.output-nav,
.segmented,
.contact-strip {
  display: flex;
  align-items: center;
}

.brand {
  gap: 14px;
  font-size: 20px;
  font-weight: 900;
}

.brand-mark {
  color: var(--green);
  font-size: 30px;
  font-weight: 950;
  letter-spacing: 0;
}

.nav {
  align-self: stretch;
  gap: 34px;
  justify-content: center;
  color: #5d6472;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  position: relative;
  display: grid;
  place-items: center;
}

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

.nav a.active::after,
.nav a:hover::after {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--green);
  border-radius: 999px 999px 0 0;
  content: "";
}

.top-actions {
  justify-content: flex-end;
  gap: 16px;
}

.icon-link {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #2d3442;
}

svg {
  display: block;
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.button.primary {
  color: #fff;
  background: linear-gradient(180deg, #5ad873, #2fb94f);
  box-shadow: 0 12px 26px rgba(47, 185, 79, 0.28);
}

.button.secondary {
  color: #273039;
  background: #fff;
  border-color: var(--line-strong);
  box-shadow: 0 8px 20px rgba(18, 25, 20, 0.05);
}

.button.small {
  min-height: 40px;
  padding: 0 18px;
  font-size: 13px;
}

.button.full {
  width: 100%;
}

.section-rail {
  position: fixed;
  top: 50%;
  left: 14px;
  z-index: 60;
  display: grid;
  gap: 8px;
  padding: 8px 6px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(205, 216, 207, 0.92);
  border-radius: 999px;
  box-shadow: 0 18px 44px rgba(18, 25, 20, 0.12);
  backdrop-filter: blur(18px);
  transform: translateY(-50%);
}

.section-rail a {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #6b746f;
  border-radius: 999px;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.section-rail a::before {
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
  content: "";
}

.section-rail a span {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  padding: 7px 10px;
  color: #172018;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(18, 25, 20, 0.12);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transform: translate(-4px, -50%);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.section-rail a.active,
.section-rail a:hover {
  color: #fff;
  background: #101713;
  transform: translateY(-1px);
}

.section-rail a.active span,
.section-rail a:hover span {
  opacity: 1;
  transform: translate(0, -50%);
}

.hero {
  display: grid;
  grid-template-columns: minmax(500px, 0.82fr) minmax(620px, 1.18fr);
  gap: 42px;
  align-items: center;
  padding: 28px 36px 30px;
  min-height: 556px;
}

.hero-copy {
  padding-left: 4px;
}

.signal {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  color: #64716b;
  font-size: 15px;
  font-weight: 800;
}

.signal span {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(46px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: 0;
}

h1 .accent {
  color: var(--green);
}

.nowrap {
  color: inherit;
  white-space: nowrap;
}

.nowrap .accent {
  color: var(--green);
}

.hero-lead {
  max-width: 590px;
  margin-bottom: 34px;
  color: #6b7480;
  font-size: 17px;
  line-height: 1.85;
}

.hero-actions {
  gap: 16px;
  margin-bottom: 42px;
}

.hero-actions .button {
  min-width: 214px;
}

.fact-row {
  gap: 28px;
  flex-wrap: wrap;
  color: #7a8391;
  font-size: 13px;
  font-weight: 700;
}

.fact-row div {
  position: relative;
}

.fact-row div::before {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border: 2px solid #9aa4b2;
  border-radius: 50%;
  content: "";
}

.fact-row span {
  color: #424a55;
  font-weight: 900;
}

.assistant-panel {
  display: grid;
  grid-template-columns: 54px minmax(430px, 1fr) 310px;
  min-height: 468px;
  overflow: hidden;
  color: #f5f9f5;
  background: linear-gradient(135deg, #111820, #10151a 52%, #182026);
  border: 1px solid #27323c;
  border-radius: 14px;
  box-shadow: 0 26px 60px rgba(16, 22, 27, 0.27);
}

.rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  padding-top: 50px;
  background: rgba(6, 11, 14, 0.48);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.rail-dot {
  width: 18px;
  height: 18px;
  border: 1px solid #7c8794;
  border-radius: 5px;
}

.rail-dot.active {
  background: rgba(69, 200, 97, 0.14);
  border-color: var(--green);
  box-shadow: inset 0 0 0 4px #121a20;
}

.assistant-main {
  padding: 24px 22px;
}

.panel-head {
  justify-content: space-between;
  margin-bottom: 22px;
}

.panel-head strong {
  font-size: 18px;
}

.panel-head span {
  margin-left: 8px;
  padding: 2px 8px;
  color: #7bea91;
  background: rgba(69, 200, 97, 0.16);
  border: 1px solid rgba(69, 200, 97, 0.35);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
}

.panel-controls {
  gap: 10px;
}

.panel-controls span {
  width: 10px;
  height: 10px;
  margin: 0;
  padding: 0;
  background: #65707b;
  border: 0;
  border-radius: 50%;
}

.content-card {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  padding: 12px;
  background: #f9fbf8;
  border: 1px solid #dfe7df;
  border-radius: 12px;
  color: #172018;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.22);
}

.media,
.thumb,
.work-img,
.mini-img,
.visual-cover {
  background-image: url("./assets/portfolio-image-pack.png");
  background-size: 300% 100%;
  background-repeat: no-repeat;
}

.media {
  min-height: 234px;
  border-radius: 8px;
}

.media-sneaker,
.thumb-social,
.mini-img {
  background-position: left center;
}

.thumb-ai {
  background-position: center center;
}

.thumb-product,
.visual-cover {
  background-position: right center;
}

.post-copy {
  padding: 10px 4px 0 0;
}

.tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 12px;
  color: var(--green-dark);
  background: #e3f7e8;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.post-copy h2 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.35;
}

.post-copy p {
  margin-bottom: 18px;
  color: #6a746b;
  font-size: 14px;
  line-height: 1.7;
}

.chips,
.post-stats,
.recommend-row,
.word-cloud {
  gap: 8px;
  flex-wrap: wrap;
}

.chips span,
.recommend-row span {
  padding: 7px 12px;
  color: #66707b;
  background: #edf1f4;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.post-stats {
  margin-top: 22px;
  gap: 24px;
  color: #69737f;
  font-size: 13px;
}

.recommend-row {
  margin-top: 22px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}

.assistant-side {
  display: grid;
  gap: 16px;
  padding: 72px 18px 18px 0;
}

.metric-card,
.calendar-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}

.side-title {
  margin-bottom: 16px;
  color: #f7fbf7;
  font-size: 15px;
  font-weight: 900;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.metrics div {
  min-width: 0;
}

.metrics strong,
.metrics span,
.metrics em {
  display: block;
}

.metrics strong {
  font-size: 21px;
  white-space: nowrap;
}

.metrics span {
  color: #9ca7b2;
  font-size: 11px;
}

.metrics em {
  color: #68e080;
  font-size: 11px;
  font-style: normal;
}

.word-cloud {
  margin-top: 16px;
}

.word-cloud span {
  padding: 7px 12px;
  color: #d6dde4;
  background: #28323d;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.word-cloud .hot {
  color: #bff8c8;
  background: rgba(69, 200, 97, 0.24);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 14px;
  color: #adb6c0;
  font-size: 12px;
  text-align: center;
}

.calendar-grid span {
  padding: 7px 0;
  border-radius: 7px;
}

.calendar-grid .today {
  color: #0a140d;
  background: var(--green);
  font-weight: 900;
}

.schedule p {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  color: #cbd4dc;
  font-size: 12px;
}

.schedule strong {
  color: #83ed96;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.summary-card {
  min-height: 330px;
  padding: 34px 36px;
}

.summary-card + .summary-card {
  border-left: 1px solid var(--line);
}

.summary-card h2 {
  margin-bottom: 26px;
  font-size: 24px;
  line-height: 1.3;
}

.summary-card h2 span {
  margin-left: 8px;
  color: #a3acb5;
  font-size: 12px;
  text-transform: uppercase;
}

.highlight-item {
  gap: 18px;
  margin-bottom: 24px;
}

.icon-box {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 58px;
  height: 58px;
  color: var(--green-dark);
  background: #eaf7ed;
  border-radius: 12px;
}

.highlight-item h3 {
  margin-bottom: 4px;
  font-size: 17px;
}

.highlight-item p,
.project-row p,
.demo-preview p,
.work-card p,
.about-copy p,
.section-head span {
  color: var(--muted);
  line-height: 1.7;
}

.highlight-item p,
.project-row p,
.demo-preview p {
  margin-bottom: 0;
  font-size: 14px;
}

.card-title-row {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.card-title-row h2 {
  margin-bottom: 0;
}

.card-title-row a {
  color: #4a5562;
  font-size: 13px;
  font-weight: 900;
}

.project-row {
  position: relative;
  gap: 16px;
  min-height: 98px;
  margin-bottom: 14px;
  padding: 12px 44px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.project-row:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}

.project-row svg {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 18px;
  color: #637082;
}

.thumb {
  flex: 0 0 auto;
  width: 116px;
  height: 76px;
  border-radius: 8px;
}

.project-row h3 {
  margin-bottom: 4px;
  font-size: 18px;
}

.project-row div div span {
  display: inline-flex;
  margin: 8px 4px 0 0;
  padding: 4px 8px;
  color: #5d6874;
  background: #eef2f5;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 800;
}

.status {
  gap: 8px;
  margin-bottom: 14px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
}

.status span {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
}

.demo-preview h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.preview-skeleton {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 14px;
  align-items: center;
  margin: 26px 0 16px;
}

.mini-img {
  width: 68px;
  height: 68px;
  border-radius: 8px;
}

.lines span {
  display: block;
  height: 10px;
  margin-bottom: 10px;
  background: #eef2f6;
  border-radius: 999px;
}

.lines span:nth-child(1) {
  width: 94%;
}

.lines span:nth-child(2) {
  width: 74%;
}

.lines span:nth-child(3) {
  width: 52%;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}

.mini-metrics strong {
  padding: 12px 0;
  background: #f5f7f6;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: center;
}

.section {
  padding: 82px 36px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head p,
.section-kicker {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-head h2,
.about-section h2,
.contact-strip h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

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

.work-card {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--soft-shadow);
}

.work-card.dark {
  color: #f9fbfa;
  background: #0f1712;
  border-color: #0f1712;
}

.work-card.dark p,
.work-card.dark li {
  color: #d5ded6;
}

.work-img {
  height: 168px;
  margin-bottom: 20px;
  border-radius: 10px;
}

.work-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.work-card ul {
  padding-left: 18px;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.demo-section {
  background: linear-gradient(180deg, #f8fbf8, #fff);
  border-top: 1px solid var(--line);
}

.demo-shell {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.demo-form,
.demo-output {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--soft-shadow);
}

.demo-form {
  padding: 22px;
}

label {
  display: block;
  margin-bottom: 18px;
  color: #53605a;
  font-size: 13px;
  font-weight: 900;
}

select,
textarea {
  width: 100%;
  margin-top: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #f9fbfa;
  border: 1px solid var(--line);
  border-radius: 8px;
  resize: vertical;
}

.segmented {
  gap: 8px;
  margin-top: 8px;
}

.tone,
.output-tab {
  min-height: 38px;
  padding: 0 12px;
  color: #58636c;
  background: #f6f8f7;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.tone.active,
.output-tab.active {
  color: #fff;
  background: #151f18;
  border-color: #151f18;
}

.demo-output {
  overflow: hidden;
  min-height: 592px;
}

.output-nav {
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.output-stage {
  padding: 24px;
}

.result-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 22px;
}

.visual-cover {
  min-height: 340px;
  border-radius: 14px;
}

.generated-copy h3 {
  margin-bottom: 14px;
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.18;
}

.generated-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.result-grid div {
  min-height: 112px;
  padding: 16px;
  background: #f2f7f3;
  border: 1px solid #dceadd;
  border-radius: 10px;
}

.result-grid strong,
.result-grid span {
  display: block;
}

.result-grid strong {
  margin-bottom: 8px;
}

.result-grid span {
  color: var(--muted);
  line-height: 1.6;
}

.insight-output {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.insight-tile {
  padding: 20px;
  min-height: 170px;
  background: #f6f9f6;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.insight-tile strong {
  display: block;
  margin-bottom: 12px;
  font-size: 30px;
}

.insight-tile p {
  color: var(--muted);
  line-height: 1.7;
}

.prompt-box,
.calendar-output {
  padding: 24px;
  background: #11181f;
  border-radius: 14px;
  color: #edf7ee;
}

.prompt-box h3,
.calendar-output h3 {
  margin-bottom: 16px;
}

.prompt-box p,
.calendar-output p {
  color: #c6d2ca;
  line-height: 1.8;
}

.calendar-output ul {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.calendar-output li {
  display: flex;
  justify-content: space-between;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}

.about-section {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 64px;
  border-top: 1px solid var(--line);
}

.about-copy p {
  font-size: 17px;
}

.availability {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 28px;
}

.availability div {
  padding: 16px;
  background: #f6f9f6;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.availability strong,
.availability span {
  display: block;
}

.availability strong {
  margin-bottom: 5px;
}

.availability span {
  color: var(--muted);
  line-height: 1.5;
}

.contact-strip {
  justify-content: space-between;
  gap: 28px;
  padding: 48px 36px;
  color: #fff;
  background: #101713;
}

.contact-strip h2 {
  margin-bottom: 8px;
  font-size: clamp(28px, 3vw, 42px);
}

.contact-strip p {
  margin-bottom: 0;
  color: #cfd8cf;
}

.tile-icon,
.mini-img,
.thumb,
.work-img {
  background-image: url("./assets/role-fit-tiles.png");
  background-size: 300% 200%;
  background-repeat: no-repeat;
}

.tile-icon {
  flex: 0 0 auto;
  width: 58px;
  height: 58px;
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(24, 141, 64, 0.1);
}

.tile-user {
  background-position: left top;
}

.tile-analysis {
  background-position: center top;
}

.tile-ai {
  background-position: right top;
}

.tile-verify {
  background-position: left bottom;
}

.tile-news {
  background-position: center bottom;
}

.tile-skill {
  background-position: right bottom;
}

.thumb.tile-news,
.work-img.tile-news {
  background-color: #f5f8f6;
  background-image: url("./assets/ai-news-cover.png");
  background-position: center top;
  background-size: cover;
}

.work-img.tile-news {
  background-size: 118% auto;
}

.thumb.tile-skill,
.work-img.tile-skill {
  background-image: url("./assets/skill-cover.png");
  background-position: center;
  background-size: cover;
}

.flow-list {
  display: grid;
  gap: 10px;
}

.flow-list p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: #d6e0d9;
  font-size: 13px;
}

.flow-list strong {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: #06120a;
  background: var(--green);
  border-radius: 50%;
  font-size: 12px;
}

.truth-note {
  margin: 0;
  color: #c6d2ca;
  font-size: 13px;
  line-height: 1.8;
}

.strategy-section {
  background: linear-gradient(180deg, #fff, #f7faf7);
  border-top: 1px solid var(--line);
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.direction-card,
.observation-panel {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--soft-shadow);
}

.direction-card span {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 5px 10px;
  color: var(--green-dark);
  background: #eaf7ed;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.direction-card h3,
.observation-panel h3 {
  margin-bottom: 14px;
  font-size: 24px;
}

.direction-card p,
.observation-panel li {
  color: var(--muted);
  line-height: 1.75;
}

.direction-card p {
  margin-bottom: 10px;
}

.observation-panel ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: observation;
}

.observation-panel li {
  counter-increment: observation;
  padding: 16px;
  background: #f6f9f6;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.observation-panel li::before {
  display: block;
  margin-bottom: 10px;
  color: var(--green-dark);
  font-weight: 900;
  content: "0" counter(observation);
}

.work-card {
  color: inherit;
}

.experience-section {
  background: #fff;
  border-top: 1px solid var(--line);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.experience-card {
  display: grid;
  grid-template-rows: 280px auto;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--soft-shadow);
}

.experience-card.proof-card {
  grid-template-rows: auto auto;
}

.experience-cover {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #f6f9f6;
}

.zhiliao-cover {
  background:
    linear-gradient(135deg, rgba(24, 141, 64, 0.1), rgba(47, 185, 79, 0.03)),
    #ffffff;
}

.zhiliao-cover::after {
  position: absolute;
  inset: auto 22px 22px 22px;
  padding: 14px 16px;
  color: #4a5a53;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 10px;
  content: "信息核验、流程推进、真实沟通";
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}

.zhiliao-cover img {
  width: min(260px, 72%);
  max-height: 120px;
}

.proof-card .experience-cover {
  aspect-ratio: 1086 / 1448;
  padding: 0;
  background: #fff;
}

.image-cover img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
}

.experience-copy {
  padding: 24px;
}

.experience-copy h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.experience-copy p,
.experience-copy li {
  color: var(--muted);
  line-height: 1.75;
}

.experience-copy p {
  margin-bottom: 16px;
}

.experience-copy ul {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  margin: 0;
}

.simplified {
  grid-template-columns: 380px minmax(0, 1fr);
}

.key-field input {
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  color: var(--ink);
  background: #f9fbfa;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.key-field input + input {
  margin-top: 10px;
}

.simple-output {
  min-height: 618px;
}

.sample-board {
  display: grid;
  gap: 16px;
}

.sample-showcase {
  display: grid;
  grid-template-columns: minmax(560px, 0.92fr) minmax(360px, 0.58fr);
  gap: 24px;
  align-items: start;
}

.phone-demo {
  max-width: 680px;
  padding: 22px 24px 24px;
  background: #fff;
  border: 1px solid #dfe9e2;
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(28, 44, 33, 0.16);
}

.phone-status,
.phone-nav,
.product-row,
.post-head,
.comment-bar,
.engagement {
  display: flex;
  align-items: center;
}

.phone-status {
  justify-content: space-between;
  margin-bottom: 18px;
  color: #0b0f13;
  font-size: 18px;
  font-weight: 900;
}

.phone-status div {
  display: flex;
  gap: 4px;
  align-items: end;
}

.phone-status i {
  display: block;
  width: 5px;
  background: #0b0f13;
  border-radius: 2px;
}

.phone-status i:nth-child(1) {
  height: 10px;
}

.phone-status i:nth-child(2) {
  height: 14px;
}

.phone-status i:nth-child(3) {
  width: 26px;
  height: 12px;
  border: 2px solid #0b0f13;
  background: transparent;
}

.phone-nav {
  justify-content: space-between;
  min-height: 56px;
  padding-bottom: 16px;
  border-bottom: 1px solid #edf1ee;
}

.phone-nav > span,
.phone-nav div span {
  color: #0a0d0f;
  font-size: 34px;
  line-height: 1;
}

.phone-nav strong {
  font-size: 26px;
}

.phone-nav div {
  display: flex;
  gap: 18px;
}

.product-row {
  gap: 18px;
  padding: 24px 0;
}

.product-thumb {
  flex: 0 0 auto;
  width: 112px;
  height: 82px;
  background-image: url("./assets/portfolio-image-pack.png");
  background-repeat: no-repeat;
  background-size: 300% 100%;
  border-radius: 10px;
}

.product-row h3 {
  margin-bottom: 8px;
  font-size: 24px;
}

.product-row p {
  margin: 0;
  color: #7b858c;
  line-height: 1.5;
}

.product-row button {
  margin-left: auto;
  padding: 12px 26px;
  color: #111820;
  background: #fff;
  border: 1px solid #cfd8d1;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 900;
}

.ai-entry {
  padding: 22px;
  background:
    radial-gradient(circle at 70% 10%, rgba(69, 200, 97, 0.18), transparent 26%),
    #f3fbf5;
  border: 1px solid #d4ebda;
  border-radius: 18px;
}

.ai-entry h3 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 24px;
}

.ai-entry h3 span {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--green-dark);
  background: #fff;
  border-radius: 7px;
}

.ai-entry h3 em {
  padding: 5px 12px;
  color: var(--green-dark);
  background: #d8f2dd;
  border-radius: 999px;
  font-size: 14px;
  font-style: normal;
}

.ai-entry p {
  margin-bottom: 18px;
  color: #6b766f;
}

.quote-box {
  display: grid;
  gap: 10px;
  padding: 22px;
  background: #fff;
  border: 1px solid #e4ebe6;
  border-radius: 16px;
  box-shadow: 0 14px 28px rgba(28, 44, 33, 0.08);
}

.quote-box strong {
  font-size: 25px;
}

.quote-box span {
  color: #6c7670;
  line-height: 1.6;
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.template-grid article {
  display: grid;
  gap: 12px;
  min-height: 214px;
  padding: 18px;
  background: #fff;
  border: 1px solid #e2e8e4;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(28, 44, 33, 0.08);
}

.template-grid span {
  font-weight: 900;
}

.template-grid .green {
  color: #238344;
}

.template-grid .blue {
  color: #2874df;
}

.template-grid .orange {
  color: #f17518;
}

.template-grid h4 {
  margin: 0;
  font-size: 20px;
}

.template-grid p {
  margin: 0;
  color: #68736c;
  font-size: 14px;
  line-height: 1.65;
}

.template-grid button {
  align-self: end;
  min-height: 42px;
  color: var(--green-dark);
  background: #e7f7eb;
  border: 0;
  border-radius: 10px;
  font-weight: 900;
}

.template-grid article:nth-child(2) button {
  color: #2869c8;
  background: #e9f1ff;
}

.template-grid article:nth-child(3) button {
  color: #e25b0b;
  background: #fff1e4;
}

.publish-tip {
  margin: 16px 0 20px;
  color: #4b6555;
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}

.post-preview {
  position: relative;
  padding: 28px 22px 20px;
  background: #fff;
  border: 1px solid #dfe9e2;
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(28, 44, 33, 0.08);
}

.post-preview > .tag {
  position: absolute;
  top: -17px;
  left: 24px;
}

.post-head {
  gap: 12px;
  margin-bottom: 18px;
}

.avatar {
  width: 44px;
  height: 44px;
  background:
    linear-gradient(135deg, rgba(16, 23, 19, 0.18), rgba(69, 200, 97, 0.18)),
    url("./assets/portfolio-image-pack.png") left center / 300% 100% no-repeat;
  border-radius: 50%;
}

.post-head p {
  margin: 4px 0 0;
  color: #7c8780;
  font-size: 13px;
}

.post-head a {
  margin-left: auto;
  color: #179a88;
  font-weight: 900;
}

.post-preview h4 {
  margin-bottom: 12px;
  font-size: 20px;
}

.post-preview p {
  color: #3d4841;
  line-height: 1.7;
}

.comment-bar {
  gap: 0;
  margin: 18px 0;
  padding: 14px 16px;
  background: #f5f7f8;
  border-radius: 12px;
}

.comment-bar span {
  width: 28px;
  height: 28px;
  margin-left: -6px;
  background: #2e3440;
  border: 2px solid #fff;
  border-radius: 50%;
}

.comment-bar span:first-child {
  margin-left: 0;
  background: #0f1712;
}

.comment-bar span:nth-child(2) {
  background: #b6d7a8;
}

.comment-bar span:nth-child(3) {
  background: #f6c6b8;
}

.comment-bar em {
  margin-left: 12px;
  color: #737f78;
  font-style: normal;
}

.comment-bar strong {
  margin-left: auto;
  color: #657069;
}

.engagement {
  justify-content: space-around;
  color: #1b2520;
  font-weight: 800;
}

.bottom-note {
  margin-top: 18px;
  padding: 14px 16px;
  color: #365445;
  background: #f0faf2;
  border: 1px solid #d7ecdc;
  border-radius: 14px;
  line-height: 1.65;
}

.sample-explain {
  position: sticky;
  top: 88px;
  padding: 30px;
  background: #111820;
  border-radius: 18px;
  color: #f4faf5;
  box-shadow: var(--shadow);
}

.sample-explain h3 {
  margin-bottom: 14px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.2;
}

.sample-explain p {
  color: #cbd8cf;
  line-height: 1.85;
}

.explain-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.explain-list div {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

.explain-list strong {
  color: #78e98c;
}

.explain-list span {
  color: #d8e3dc;
  line-height: 1.6;
}

.source-card {
  padding: 26px;
  color: #f7fbf7;
  background: #101820;
  border-radius: 14px;
}

.source-card h3 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
}

.source-card p {
  max-width: 760px;
  margin-bottom: 0;
  color: #cbd8cf;
  font-size: 18px;
  line-height: 1.75;
}

.generated-set {
  display: grid;
  gap: 14px;
}

.assist-note {
  padding: 16px 18px;
  color: #405048;
  background: #eaf7ed;
  border: 1px solid #d4ead8;
  border-radius: 10px;
  line-height: 1.75;
}

.post-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.post-template {
  min-height: 290px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--soft-shadow);
}

.post-template h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.post-template p {
  color: var(--muted);
  line-height: 1.75;
}

.post-template .tag {
  margin-bottom: 14px;
}

.image-result {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  align-items: start;
  margin-top: 14px;
  padding: 18px;
  background: #101820;
  border-radius: 12px;
  color: #f4faf5;
}

.image-result img {
  width: 100%;
  border-radius: 10px;
}

.image-result p {
  color: #cbd8cf;
  line-height: 1.75;
}

.loading {
  opacity: 0.78;
}

@media (max-width: 1180px) {
  .section-rail {
    display: none;
  }

  .site-frame {
    width: min(100vw - 24px, 1510px);
    margin: 12px auto;
    border-radius: 18px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .assistant-panel {
    grid-template-columns: 54px 1fr;
  }

  .assistant-side {
    display: none;
  }

  .summary-grid,
  .work-grid,
  .experience-grid,
  .sample-showcase {
    grid-template-columns: 1fr;
  }

  .phone-demo {
    max-width: none;
  }

  .sample-explain {
    position: static;
  }

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

@media (max-width: 820px) {
  .topbar {
    grid-template-columns: 1fr auto;
    padding: 0 18px;
  }

  .nav {
    display: none;
  }

  .icon-link {
    display: none;
  }

  .hero,
  .section,
  .summary-card,
  .contact-strip {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    gap: 26px;
    padding-top: 42px;
  }

  .hero-actions,
  .contact-strip,
  .about-section,
  .demo-shell,
  .result-card {
    grid-template-columns: 1fr;
  }

  .contact-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    min-width: 0;
  }

  .assistant-panel {
    grid-template-columns: 1fr;
  }

  .rail {
    display: none;
  }

  .content-card,
  .result-grid,
  .insight-output,
  .availability,
  .direction-grid,
  .observation-panel ol,
  .post-card-grid,
  .image-result,
  .template-grid {
    grid-template-columns: 1fr;
  }

  .content-card {
    padding: 10px;
  }

  .media {
    min-height: 220px;
  }

  .summary-card {
    min-height: 0;
  }

  .experience-card {
    grid-template-rows: 220px auto;
  }

  .experience-card.proof-card {
    grid-template-rows: auto auto;
  }

  .phone-demo {
    padding: 16px;
    border-radius: 18px;
  }

  .product-row {
    align-items: flex-start;
    gap: 12px;
  }

  .product-thumb {
    width: 92px;
    height: 68px;
  }

  .product-row h3 {
    font-size: 21px;
    line-height: 1.25;
  }

  .product-row button {
    flex: 0 0 auto;
    padding: 9px 14px;
    font-size: 14px;
    white-space: nowrap;
  }

  .comment-bar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .comment-bar strong {
    margin-left: 0;
  }
}

@media (max-width: 560px) {
  .site-frame {
    width: 100%;
    margin: 0;
    border: 0;
    border-radius: 0;
  }

  .topbar {
    min-height: 58px;
  }

  .brand span:last-child {
    display: none;
  }

  .button.small {
    padding: 0 13px;
  }

  h1 {
    font-size: 42px;
  }

  .fact-row {
    gap: 16px;
  }

  .assistant-main {
    padding: 18px;
  }

  .output-nav {
    overflow-x: auto;
  }

  .output-tab {
    flex: 0 0 auto;
  }

  .project-row {
    align-items: flex-start;
  }

  .thumb {
    width: 86px;
    height: 82px;
  }
}