:root {
  --ink: #282018;
  --muted: #766d61;
  --paper: #fffaf0;
  --paper-2: #f7efe2;
  --line: rgba(74, 54, 31, 0.16);
  --gold: #c9922e;
  --gold-2: #e0b95f;
  --orange: #f0642e;
  --teal: #197c72;
  --blue: #285f8f;
  --green: #2f8d6b;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(84, 55, 18, 0.16);
  --shadow-strong: 0 34px 95px rgba(43, 33, 24, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 13% 18%, rgba(47, 141, 107, 0.12), transparent 30%),
    radial-gradient(circle at 88% 52%, rgba(40, 95, 143, 0.09), transparent 32%),
    linear-gradient(180deg, #fffaf0 0%, #f6ecdd 47%, #fffaf0 100%);
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 18% 16%, rgba(25, 124, 114, 0.12), transparent 34%),
    radial-gradient(circle at 82% 72%, rgba(201, 146, 46, 0.13), transparent 34%),
    linear-gradient(180deg, rgba(255, 251, 243, 0.92), rgba(249, 240, 224, 0.72));
  opacity: 1;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 250, 240, 0.9);
  border-bottom: 1px solid rgba(90, 65, 31, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: linear-gradient(145deg, #f0642e, #c9922e 54%, #197c72);
  color: #fff9e8;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(164, 108, 20, 0.28);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.5vw, 32px);
  color: #594b3a;
  font-size: 14px;
}

.desktop-nav a {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover {
  color: #9d6b1c;
  border-bottom-color: var(--gold);
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  color: #fffaf0;
  background: #2b2118;
  font-size: 14px;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: calc(100vh - 74px);
  overflow: hidden;
  color: #fff8ea;
  background: #271609;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 20%, rgba(242, 198, 110, 0.28), transparent 34%),
    linear-gradient(90deg, rgba(18, 11, 7, 0.78) 0%, rgba(24, 15, 9, 0.66) 38%, rgba(24, 15, 9, 0.2) 100%),
    url("./assets/hero-restaurant-ai-bg.png") center center / cover no-repeat;
  transform: scale(1.02);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 170px;
  background: linear-gradient(180deg, rgba(39, 22, 9, 0), var(--paper));
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  align-items: center;
  gap: clamp(32px, 6vw, 76px);
  min-height: calc(100vh - 74px);
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 62px 0 110px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #9a6c24;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f2c66e;
}

.hero h1 {
  margin: 0;
  max-width: 740px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.05;
  font-weight: 900;
}

.hero h1 span {
  display: block;
}

.hero-lede {
  width: min(680px, 100%);
  margin: 24px 0 0;
  color: rgba(255, 247, 230, 0.82);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.9;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255, 248, 234, 0.2);
  border-radius: 999px;
  color: rgba(255, 248, 234, 0.86);
  background: rgba(255, 248, 234, 0.1);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(12px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), #d74320);
  box-shadow: 0 15px 34px rgba(240, 100, 46, 0.3);
}

.btn-secondary {
  color: #fff8ea;
  background: rgba(255, 248, 234, 0.12);
  border-color: rgba(255, 248, 234, 0.28);
}

.btn-secondary.light {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(80, 56, 24, 0.18);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(620px, 100%);
  margin: 40px 0 0;
}

.hero-metrics div {
  padding: 18px 16px;
  border: 1px solid rgba(255, 248, 234, 0.16);
  border-radius: 8px;
  background: rgba(255, 248, 234, 0.08);
}

.hero-metrics dt {
  margin: 0;
  color: #ffd47f;
  font-size: 30px;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: rgba(255, 248, 234, 0.72);
  font-size: 13px;
}

.hero-product,
.phone-shell,
.mini-dashboard {
  display: none;
}

.hero-contact {
  position: relative;
  min-height: 620px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
}

.hero-wechat-card {
  width: min(390px, 100%);
  padding: 24px;
  border: 1px solid rgba(255, 235, 190, 0.26);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.96);
  box-shadow: var(--shadow-strong);
  color: var(--ink);
  text-align: center;
}

.hero-wechat-card .eyebrow {
  margin-bottom: 12px;
  color: #9a6c24;
}

.hero-wechat-card img {
  width: min(100%, 280px);
  aspect-ratio: 1 / 1.42;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}

.hero-wechat-card strong {
  display: block;
  margin-top: 16px;
  font-size: 24px;
  line-height: 1.25;
}

.hero-wechat-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.hero-contact-note {
  width: min(390px, 100%);
  padding: 16px 18px;
  border: 1px solid rgba(255, 248, 234, 0.18);
  border-radius: 8px;
  background: rgba(43, 33, 24, 0.72);
  color: #fff8ea;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
}

.hero-contact-note span,
.hero-contact-note strong {
  display: block;
}

.hero-contact-note span {
  color: #ffd17d;
  font-size: 12px;
  font-weight: 900;
}

.hero-contact-note strong {
  margin-top: 6px;
  font-size: 16px;
  line-height: 1.45;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.intro-strip {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 30px;
  align-items: center;
  padding: 36px 34px;
  margin-top: -44px;
  border: 1px solid rgba(86, 61, 27, 0.13);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.96);
  box-shadow: var(--shadow);
}

.intro-copy span {
  display: block;
  color: #9a6c24;
  font-size: 13px;
  font-weight: 700;
}

.intro-copy strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.35;
}

.intro-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.intro-points span {
  padding: 14px 16px;
  border: 1px solid rgba(86, 61, 27, 0.12);
  border-radius: 8px;
  background: #fff;
  color: #594b3a;
  font-size: 14px;
  font-weight: 700;
}

.demo-section {
  width: min(1220px, calc(100% - 40px));
}

.demo-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr) minmax(280px, 0.72fr);
  gap: 18px;
  align-items: stretch;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(43, 33, 24, 0.94), rgba(42, 62, 54, 0.88)),
    url("./assets/hero-restaurant-ai-bg.png") center / cover no-repeat;
  box-shadow: var(--shadow-strong);
  color: #fff8ea;
}

.demo-chat,
.demo-output {
  border: 1px solid rgba(255, 248, 234, 0.18);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.94);
  color: var(--ink);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.18);
}

.demo-chat {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 20px;
}

.demo-window-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(86, 61, 27, 0.12);
}

.demo-window-head span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.demo-window-head strong {
  flex: 1;
  font-size: 15px;
}

.demo-window-head em {
  color: var(--teal);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.demo-message {
  padding: 15px 16px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.75;
}

.demo-message.owner {
  margin-left: 30px;
  color: #fff8ea;
  background: #2f2419;
}

.demo-message.ai {
  margin-right: 18px;
  background: #eef7f3;
  border: 1px solid rgba(25, 124, 114, 0.14);
}

.demo-input-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 4px;
  padding: 13px 14px;
  border: 1px dashed rgba(86, 61, 27, 0.18);
  border-radius: 8px;
  background: #fffaf0;
  color: var(--muted);
  font-size: 13px;
}

.demo-input-row strong {
  color: #9a5d13;
  font-size: 13px;
  white-space: nowrap;
}

.demo-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.demo-flow article {
  position: relative;
  min-height: 170px;
  padding: 20px;
  border: 1px solid rgba(255, 248, 234, 0.14);
  border-radius: 8px;
  background: rgba(255, 248, 234, 0.1);
  overflow: hidden;
}

.demo-flow article::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -42px;
  width: 102px;
  height: 102px;
  border-radius: 50%;
  background: rgba(255, 212, 127, 0.12);
}

.demo-flow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #241911;
  background: #ffd47f;
  font-weight: 900;
}

.demo-flow h3 {
  margin: 22px 0 8px;
  font-size: 20px;
}

.demo-flow p {
  margin: 0;
  color: rgba(255, 248, 234, 0.74);
  font-size: 14px;
  line-height: 1.7;
}

.demo-output {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 20px;
}

.output-card.primary {
  padding: 18px;
  border-radius: 8px;
  color: #fff8ea;
  background: linear-gradient(145deg, #2b2118, #8d5f1f);
}

.output-card span,
.output-card strong {
  display: block;
}

.output-card span {
  color: rgba(255, 248, 234, 0.72);
  font-size: 12px;
  font-weight: 800;
}

.output-card strong {
  margin-top: 8px;
  font-size: 22px;
  line-height: 1.35;
}

.demo-output dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.demo-output dl div {
  padding: 13px 0;
  border-bottom: 1px solid rgba(86, 61, 27, 0.12);
}

.demo-output dt {
  color: #9a6c24;
  font-size: 12px;
  font-weight: 900;
}

.demo-output dd {
  margin: 6px 0 0;
  color: #3f362c;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

.audience-section {
  width: min(1220px, calc(100% - 40px));
}

.audience-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.35fr);
  gap: clamp(22px, 4vw, 50px);
  align-items: stretch;
}

.audience-copy {
  display: grid;
  align-content: center;
  padding: clamp(28px, 4vw, 46px);
  border-radius: 8px;
  color: #fff8ea;
  background:
    linear-gradient(145deg, rgba(43, 33, 24, 0.96), rgba(29, 83, 77, 0.9)),
    url("./assets/hero-restaurant-ai-bg.png") center / cover no-repeat;
  box-shadow: var(--shadow-strong);
}

.audience-copy .eyebrow {
  color: #ffd17d;
}

.audience-copy h2 {
  margin: 0;
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.18;
}

.audience-copy p {
  margin: 18px 0 0;
  color: rgba(255, 248, 234, 0.78);
  font-size: 16px;
  line-height: 1.8;
}

.audience-proof {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.audience-proof span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 248, 234, 0.17);
  border-radius: 8px;
  background: rgba(255, 248, 234, 0.1);
  color: rgba(255, 248, 234, 0.82);
  font-size: 14px;
}

.audience-proof strong {
  color: #ffd47f;
  font-size: 20px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.audience-card {
  position: relative;
  min-height: 240px;
  padding: 26px;
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 46px rgba(86, 61, 27, 0.08);
  overflow: hidden;
}

.audience-card span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff8ea;
  background: linear-gradient(145deg, #2b2118, #8d5f1f);
  font-weight: 900;
}

.audience-card h3 {
  margin: 34px 0 12px;
  font-size: 22px;
}

.audience-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading.align-left {
  max-width: 820px;
  margin-left: 0;
  text-align: left;
}

.section-heading h2,
.contact-panel h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
}

.section-heading p:last-child,
.contact-panel p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.scene-card,
.delivery-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 46px rgba(86, 61, 27, 0.08);
}

.scene-card {
  min-height: 330px;
  overflow: hidden;
}

.scene-card::after {
  content: "";
  position: absolute;
  right: -54px;
  bottom: -70px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(25, 124, 114, 0.08);
}

.scene-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--gold), var(--orange));
}

.scene-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: #fff;
  background: #2b2118;
  font-weight: 900;
}

.scene-card h3,
.delivery-card h3 {
  margin: 22px 0 12px;
  font-size: 23px;
}

.scene-card p,
.delivery-card p {
  color: var(--muted);
  line-height: 1.75;
}

.scene-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.scene-card li {
  position: relative;
  padding-left: 20px;
  color: #4c4135;
  font-size: 14px;
}

.scene-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.outcome-section {
  width: min(1220px, calc(100% - 40px));
}

.outcome-section .section-heading {
  max-width: 940px;
}

.outcome-section .section-heading h2 {
  font-size: clamp(30px, 3.55vw, 43px);
}

.outcome-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 0.48fr) minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.outcome-column,
.outcome-center,
.outcome-metrics article {
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(86, 61, 27, 0.08);
}

.outcome-column {
  position: relative;
  min-height: 390px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid rgba(86, 61, 27, 0.14);
  background: rgba(255, 255, 255, 0.78);
  overflow: hidden;
}

.outcome-column.before {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(250, 245, 235, 0.94)),
    radial-gradient(circle at 85% 18%, rgba(201, 146, 46, 0.14), transparent 34%);
}

.outcome-column.after {
  color: #fff8ea;
  background:
    linear-gradient(145deg, rgba(25, 86, 80, 0.96), rgba(43, 33, 24, 0.88)),
    url("./assets/hero-restaurant-ai-bg.png") center / cover no-repeat;
  box-shadow: var(--shadow-strong);
}

.outcome-label {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  color: #9a5d13;
  background: rgba(201, 146, 46, 0.12);
  font-size: 12px;
  font-weight: 900;
}

.outcome-column.after .outcome-label {
  color: #241911;
  background: #ffd47f;
}

.outcome-column h3 {
  margin: 28px 0 18px;
  font-size: clamp(24px, 2.35vw, 30px);
  line-height: 1.25;
}

.outcome-column ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.outcome-column li {
  position: relative;
  padding-left: 22px;
  color: #5c5144;
  line-height: 1.7;
}

.outcome-column.after li {
  color: rgba(255, 248, 234, 0.82);
}

.outcome-column li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--gold);
}

.outcome-column.after li::before {
  background: #ffd47f;
}

.outcome-center {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  min-height: 390px;
  padding: 24px;
  color: #fff8ea;
  background:
    linear-gradient(160deg, rgba(43, 33, 24, 0.98), rgba(105, 69, 25, 0.94));
  text-align: center;
}

.outcome-center span {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(255, 248, 234, 0.2);
  border-radius: 8px;
  color: #241911;
  background: #ffd47f;
  font-size: 26px;
  font-weight: 900;
}

.outcome-center strong {
  max-width: 150px;
  font-size: 18px;
  line-height: 1.55;
}

.outcome-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.outcome-metrics article {
  display: grid;
  gap: 8px;
  min-height: 128px;
  padding: 22px;
  border: 1px solid rgba(25, 124, 114, 0.14);
  background: rgba(255, 255, 255, 0.76);
}

.outcome-metrics strong {
  color: #0f5d56;
  font-size: 24px;
  font-weight: 900;
}

.outcome-metrics span {
  color: var(--muted);
  line-height: 1.65;
}

.feature-section {
  width: min(1220px, calc(100% - 40px));
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 22px;
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 250, 240, 0.72));
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -36px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(47, 141, 107, 0.1);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 146, 46, 0.42);
  box-shadow: 0 18px 44px rgba(86, 61, 27, 0.12);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #fffaf0;
  background: linear-gradient(145deg, #2b2118, #8d5f1f);
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(43, 33, 24, 0.18);
}

.feature-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}

.feature-card p {
  flex: 1;
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.feature-card small {
  width: fit-content;
  padding: 6px 9px;
  border-radius: 999px;
  color: #0f5d56;
  background: rgba(25, 124, 114, 0.1);
  font-size: 12px;
  font-weight: 800;
}

.operator-section {
  width: min(1220px, calc(100% - 40px));
}

.operator-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.operator-card {
  position: relative;
  min-height: 270px;
  padding: 30px;
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(43, 33, 24, 0.96), rgba(68, 45, 23, 0.92));
  color: #fff8ea;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.operator-card:nth-child(2) {
  background: linear-gradient(145deg, rgba(25, 92, 86, 0.96), rgba(34, 49, 45, 0.9));
}

.operator-card:nth-child(3) {
  background: linear-gradient(145deg, rgba(98, 50, 25, 0.96), rgba(43, 33, 24, 0.9));
}

.operator-card span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 248, 234, 0.2);
  border-radius: 8px;
  color: #241911;
  background: #ffd47f;
  font-size: 22px;
  font-weight: 900;
}

.operator-card h3 {
  margin: 76px 0 12px;
  font-size: 25px;
}

.operator-card p {
  margin: 0;
  color: rgba(255, 248, 234, 0.78);
  line-height: 1.8;
}

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

.delivery-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 8px;
  color: #fff8ea;
  background: linear-gradient(145deg, #2b2118, #5d3d16);
  font-weight: 900;
}

.delivery-icon.cloud {
  background: linear-gradient(145deg, var(--teal), #285f8f);
}

.delivery-card dl {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}

.delivery-card dl div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid rgba(86, 61, 27, 0.12);
}

.delivery-card dt {
  color: #9a6c24;
  font-weight: 800;
}

.delivery-card dd {
  margin: 0;
  color: #5c5144;
}

.pilot-section {
  width: min(1220px, calc(100% - 40px));
}

.pilot-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.28fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(238, 247, 243, 0.72)),
    radial-gradient(circle at 0 0, rgba(25, 124, 114, 0.16), transparent 34%);
  box-shadow: var(--shadow);
}

.pilot-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
}

.pilot-copy p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.pilot-timeline {
  display: grid;
  gap: 14px;
}

.pilot-step {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  padding: 20px;
  border: 1px solid rgba(25, 124, 114, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.pilot-step span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  color: #fffaf0;
  background: linear-gradient(145deg, var(--teal), var(--blue));
  font-weight: 900;
}

.pilot-step h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.pilot-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.guard-section {
  width: min(1220px, calc(100% - 40px));
}

.guard-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.3fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: stretch;
  padding: clamp(28px, 5vw, 52px);
  border-radius: 8px;
  color: #fff8ea;
  background:
    linear-gradient(135deg, rgba(43, 33, 24, 0.98), rgba(25, 86, 80, 0.9)),
    url("./assets/hero-restaurant-ai-bg.png") center / cover no-repeat;
  box-shadow: var(--shadow-strong);
}

.guard-copy {
  display: grid;
  align-content: center;
}

.guard-copy .eyebrow {
  color: #ffd17d;
}

.guard-copy h2 {
  margin: 0;
  font-size: clamp(30px, 3.35vw, 42px);
  line-height: 1.2;
}

.guard-copy p:last-child {
  margin: 18px 0 0;
  color: rgba(255, 248, 234, 0.78);
  font-size: 16px;
  line-height: 1.85;
}

.guard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.guard-grid article {
  min-height: 224px;
  padding: 22px;
  border: 1px solid rgba(255, 248, 234, 0.16);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.1);
  backdrop-filter: blur(10px);
}

.guard-grid span {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  color: #241911;
  background: #ffd47f;
  font-size: 12px;
  font-weight: 900;
}

.guard-grid h3 {
  margin: 34px 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.guard-grid p {
  margin: 0;
  color: rgba(255, 248, 234, 0.76);
  line-height: 1.75;
}

.faq-section {
  width: min(1220px, calc(100% - 40px));
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-grid details {
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 42px rgba(86, 61, 27, 0.07);
  overflow: hidden;
}

.faq-grid summary {
  cursor: pointer;
  padding: 20px 22px;
  color: #2f2419;
  font-size: 17px;
  font-weight: 900;
  list-style: none;
}

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

.faq-grid summary::after {
  content: "+";
  float: right;
  color: #9a6c24;
  font-weight: 900;
}

.faq-grid details[open] summary::after {
  content: "-";
}

.faq-grid p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
  line-height: 1.75;
}

.prepare-section {
  width: min(1220px, calc(100% - 40px));
}

.prepare-panel {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.25fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: stretch;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid rgba(86, 61, 27, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(238, 247, 243, 0.74));
  box-shadow: var(--shadow);
}

.prepare-copy {
  display: grid;
  align-content: center;
}

.prepare-copy h2 {
  margin: 0;
  font-size: clamp(30px, 3.7vw, 46px);
  line-height: 1.18;
}

.prepare-copy p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.prepare-list {
  display: grid;
  gap: 12px;
}

.prepare-list article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px;
  border: 1px solid rgba(25, 124, 114, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
}

.prepare-list span {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 8px;
  color: #fff8ea;
  background: linear-gradient(145deg, var(--teal), var(--blue));
  font-weight: 900;
}

.prepare-list h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.prepare-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.contact-section {
  padding-bottom: 46px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 36px;
  align-items: center;
  padding: clamp(30px, 5vw, 56px);
  border-radius: 8px;
  color: #fff8ea;
  background: linear-gradient(120deg, rgba(43, 33, 24, 0.97), rgba(25, 86, 80, 0.9));
  box-shadow: 0 30px 90px rgba(43, 33, 24, 0.2);
}

.contact-panel .eyebrow {
  color: #ffd17d;
}

.contact-panel p {
  color: rgba(255, 248, 234, 0.78);
}

.contact-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.contact-steps span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid rgba(255, 248, 234, 0.18);
  border-radius: 8px;
  background: rgba(255, 248, 234, 0.1);
  color: rgba(255, 248, 234, 0.86);
  font-size: 13px;
  font-weight: 800;
}

.contact-steps strong {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  color: #241911;
  background: #ffd47f;
  font-size: 12px;
}

.wechat-card {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(255, 248, 234, 0.22);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.94);
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.wechat-card img {
  width: min(100%, 280px);
  aspect-ratio: 1 / 1.42;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}

.wechat-card strong {
  display: block;
  font-size: 20px;
  font-weight: 900;
}

.wechat-card span {
  color: #766d61;
  font-size: 13px;
  text-align: center;
}

.wechat-card em {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #0f5d56;
  background: rgba(25, 124, 114, 0.09);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  line-height: 1.5;
  text-align: center;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  padding: 28px 20px 38px;
  color: #7c7061;
  font-size: 13px;
}

.mobile-sticky-cta {
  display: none;
}

@media (max-width: 1020px) {
  .desktop-nav {
    display: none;
  }

  .brand {
    min-width: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .hero-product {
    min-height: 540px;
  }

  .phone-shell {
    left: 0;
    right: auto;
  }

  .mini-dashboard {
    right: 0;
  }

  .intro-strip,
  .contact-panel,
  .prepare-panel,
  .guard-layout,
  .audience-layout {
    grid-template-columns: 1fr;
  }

  .scene-grid,
  .operator-grid {
    grid-template-columns: 1fr;
  }

  .demo-workbench {
    grid-template-columns: 1fr;
  }

  .outcome-board,
  .outcome-metrics {
    grid-template-columns: 1fr;
  }

  .outcome-column,
  .outcome-center {
    min-height: auto;
  }

  .outcome-center {
    grid-template-columns: auto minmax(0, 1fr);
    justify-content: start;
    text-align: left;
  }

  .outcome-center strong {
    max-width: none;
  }

  .audience-copy {
    min-height: 430px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pilot-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 72px;
  }

  .site-header {
    min-height: 66px;
    padding: 10px 16px;
  }

  .brand small {
    display: none;
  }

  .brand strong {
    font-size: 15px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-action {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
  }

  .hero-bg {
    background:
      radial-gradient(circle at 72% 8%, rgba(242, 198, 110, 0.2), transparent 30%),
      linear-gradient(180deg, rgba(18, 11, 7, 0.9) 0%, rgba(24, 15, 9, 0.76) 58%, rgba(24, 15, 9, 0.46) 100%),
      url("./assets/hero-restaurant-ai-bg.png") center top / cover no-repeat;
  }

  .hero-inner,
  .section,
  .feature-section,
  .guard-section {
    width: min(100% - 28px, 1180px);
  }

  .hero-inner {
    min-height: auto;
    padding: 44px 0 82px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(38px, 11.4vw, 50px);
    line-height: 1.12;
  }

  .hero-lede {
    font-size: 16px;
    line-height: 1.75;
  }

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

  .hero-badges {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero-badges span {
    justify-content: center;
    min-height: 32px;
    padding: 0 10px;
    font-size: 12px;
    text-align: center;
    white-space: nowrap;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero-metrics div {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 14px;
  }

  .hero-metrics dt {
    font-size: 24px;
  }

  .hero-metrics dd {
    margin: 0;
    text-align: left;
  }

  .hero-product {
    min-height: 610px;
  }

  .phone-shell {
    width: 100%;
    right: auto;
  }

  .mini-dashboard {
    left: 8px;
    right: 8px;
    width: auto;
    bottom: 0;
  }

  .section {
    padding: 62px 0;
  }

  .outcome-column,
  .outcome-center,
  .outcome-metrics article {
    padding: 24px;
  }

  .outcome-center span {
    width: 58px;
    height: 58px;
    font-size: 22px;
  }

  .intro-strip {
    margin-top: -30px;
    padding: 24px;
  }

  .intro-points,
  .feature-grid,
  .delivery-layout,
  .operator-grid,
  .demo-flow,
  .audience-grid,
  .guard-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .demo-workbench {
    width: min(100%, 100vw - 28px);
    padding: 16px;
  }

  .demo-chat,
  .demo-output {
    padding: 16px;
  }

  .demo-message.owner,
  .demo-message.ai {
    margin-left: 0;
    margin-right: 0;
  }

  .demo-input-row {
    display: grid;
    gap: 6px;
  }

  .demo-input-row strong {
    white-space: normal;
  }

  .scene-card,
  .delivery-card,
  .audience-card {
    padding: 24px;
  }

  .audience-copy {
    min-height: auto;
    padding: 26px;
  }

  .audience-proof span {
    display: grid;
    gap: 4px;
  }

  .audience-card {
    min-height: 210px;
  }

  .faq-grid summary {
    padding: 18px;
    font-size: 16px;
  }

  .faq-grid p {
    padding: 0 18px 18px;
  }

  .contact-panel {
    padding: 26px;
  }

  .guard-layout {
    padding: 26px;
  }

  .guard-grid article {
    min-height: auto;
    padding: 20px;
  }

  .prepare-panel {
    padding: 24px;
  }

  .prepare-list article {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px;
    padding: 16px;
  }

  .prepare-list span {
    width: 44px;
    height: 44px;
  }

  .contact-steps {
    display: grid;
  }

  .pilot-layout {
    padding: 24px;
  }

  .pilot-step {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px;
    padding: 16px;
  }

  .pilot-step span {
    width: 44px;
    height: 44px;
  }

  .wechat-card img {
    width: min(100%, 260px);
  }

  .mobile-sticky-cta {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 30;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: 8px;
    color: #fff8ea;
    background: linear-gradient(135deg, var(--orange), #d74320);
    box-shadow: 0 16px 34px rgba(43, 33, 24, 0.28);
    font-size: 15px;
    font-weight: 900;
  }

  .site-footer {
    padding-bottom: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .feature-card {
    transition: none;
  }
}