/* 拾星小宠官网 — 温暖亲子插画风 */
:root {
  --cream: #fff8f0;
  --cream-2: #fff3e6;
  --cream-3: #f7ebdc;
  --ink: #2c3338;
  --ink-soft: #5c666e;
  --ink-faint: #8a939a;
  --mint: #45b67a;
  --mint-deep: #2f9a63;
  --mint-soft: #e7f7ee;
  --mint-chip: #d8f3e5;
  --coral: #ef8b7e;
  --coral-soft: #ffe8e4;
  --pink: #f3b7c0;
  --pink-soft: #ffeef1;
  --blue: #6ea3d6;
  --blue-soft: #e8f2fb;
  --yellow: #f5c84c;
  --yellow-soft: #fff4d4;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(74, 52, 36, 0.1);
  --shadow-sm: 0 8px 24px rgba(74, 52, 36, 0.08);
  --radius: 28px;
  --radius-sm: 18px;
  --max: 1120px;
  --nav-h: 72px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--cream);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(243, 183, 192, 0.28), transparent 28%),
    radial-gradient(circle at 90% 4%, rgba(110, 163, 214, 0.18), transparent 24%),
    radial-gradient(circle at 80% 70%, rgba(69, 182, 122, 0.1), transparent 30%),
    var(--cream);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

/* ========== Shell ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  backdrop-filter: blur(16px);
  background: rgba(255, 248, 240, 0.86);
  border-bottom: 1px solid rgba(74, 52, 36, 0.06);
}

.site-header__inner {
  display: flex;
  width: min(var(--max), calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(74, 52, 36, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 700;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: rgba(69, 182, 122, 0.12);
  color: var(--mint-deep);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 14px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.nav-toggle i,
.nav-toggle i::before,
.nav-toggle i::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
  content: "";
}

.nav-toggle i {
  position: relative;
}

.nav-toggle i::before {
  position: absolute;
  top: -6px;
}

.nav-toggle i::after {
  position: absolute;
  top: 6px;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section--tight {
  padding-top: 40px;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  margin-bottom: 14px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--mint-chip);
  color: var(--mint-deep);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  content: "";
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-head p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
}

.site-footer {
  margin-top: 20px;
  padding: 48px 0 28px;
  background: #2c3338;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.footer-brand strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 900;
}

.footer-brand p {
  max-width: 280px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.65;
}

.footer-col h3 {
  margin: 0 0 14px;
  color: var(--white);
  font-size: 14px;
  font-weight: 900;
}

.footer-col a {
  display: block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
  font-weight: 650;
}

.footer-col a:hover {
  color: #9de0bb;
}

.site-footer__bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.36);
  font-size: 13px;
  font-weight: 600;
}

/* ========== Buttons ========== */

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 800;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(180deg, #57c98a, var(--mint));
  color: var(--white);
  box-shadow: 0 12px 28px rgba(69, 182, 122, 0.32);
}

.btn--primary:hover {
  box-shadow: 0 16px 34px rgba(69, 182, 122, 0.38);
}

.btn--dark {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(44, 51, 56, 0.18);
}

.btn--ghost {
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(74, 52, 36, 0.08);
}

.btn--sm {
  min-height: 42px;
  padding: 0 16px;
  font-size: 14px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== Hero ========== */

.hero {
  position: relative;
  padding: 36px 0 20px;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero__copy h1 {
  margin: 12px 0 0;
  font-size: clamp(36px, 5.2vw, 56px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero__copy h1 em {
  font-style: normal;
  color: var(--mint-deep);
}

.hero__copy .lead {
  margin-top: 18px;
  max-width: 480px;
  color: var(--ink-soft);
  font-size: 18px;
  font-weight: 650;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.chip {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 750;
}

.hero__visual {
  position: relative;
  min-height: 480px;
}

.hero-frame {
  position: relative;
  height: 100%;
  min-height: 480px;
  border-radius: 36px;
  overflow: hidden;
  background: linear-gradient(160deg, #ffe8d6, #fff7ee 45%, #e8f5ff);
  box-shadow: var(--shadow);
}

.hero-frame img.hero-main {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.float-card {
  position: absolute;
  z-index: 3;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(74, 52, 36, 0.14);
  backdrop-filter: blur(8px);
}

.float-card--task {
  left: -18px;
  bottom: 88px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.float-card--task img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.float-card--task strong {
  display: block;
  font-size: 14px;
  font-weight: 900;
}

.float-card--task span {
  display: block;
  margin-top: 2px;
  color: var(--ink-faint);
  font-size: 12px;
  font-weight: 700;
}

.float-card--growth {
  right: 18px;
  top: 28px;
  min-width: 150px;
  text-align: center;
}

.float-card--growth b {
  display: block;
  color: var(--mint-deep);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

.float-card--growth span {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
}

.float-card--pet {
  right: -10px;
  bottom: 28px;
  width: 108px;
  height: 108px;
  padding: 10px;
  border-radius: 28px;
  display: grid;
  place-items: center;
  background: var(--yellow-soft);
}

.float-card--pet img {
  width: 86px;
  height: 86px;
  object-fit: contain;
}

/* ========== Compare / Pain ========== */

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.compare-card {
  position: relative;
  min-height: 260px;
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.compare-card--before {
  background: linear-gradient(180deg, #fff, var(--coral-soft));
}

.compare-card--after {
  background: linear-gradient(180deg, #fff, var(--mint-soft));
}

.compare-card .label {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  margin-bottom: 16px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
}

.compare-card--before .label {
  background: rgba(239, 139, 126, 0.18);
  color: #c85a4e;
}

.compare-card--after .label {
  background: rgba(69, 182, 122, 0.16);
  color: var(--mint-deep);
}

.compare-card h3 {
  font-size: 24px;
  font-weight: 900;
  line-height: 1.3;
}

.compare-card p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.7;
}

.compare-card ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.compare-card li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.compare-card li::before {
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
}

.compare-card--before li::before {
  background: var(--coral);
}

.compare-card--after li::before {
  background: var(--mint);
}

/* ========== Steps ========== */

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

.step {
  position: relative;
  min-height: 320px;
  padding: 28px 24px 24px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.step:nth-child(1) {
  background: linear-gradient(180deg, #fff, var(--yellow-soft));
}

.step:nth-child(2) {
  background: linear-gradient(180deg, #fff, var(--blue-soft));
}

.step:nth-child(3) {
  background: linear-gradient(180deg, #fff, var(--mint-soft));
}

.step__num {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(44, 51, 56, 0.08);
  font-size: 18px;
  font-weight: 900;
}

.step h3 {
  font-size: 22px;
  font-weight: 900;
}

.step p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.7;
}

.step__art {
  position: absolute;
  right: 12px;
  bottom: 8px;
  width: 132px;
  height: 132px;
  object-fit: contain;
  pointer-events: none;
  filter: drop-shadow(0 10px 14px rgba(74, 52, 36, 0.1));
}

/* ========== Features ========== */

.feature-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: stretch;
}

.feature-panel {
  border-radius: 32px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  min-height: 420px;
}

.feature-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-item {
  padding: 22px 22px 22px 20px;
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--mint);
}

.feature-item:nth-child(2) {
  border-left-color: var(--blue);
}

.feature-item:nth-child(3) {
  border-left-color: var(--yellow);
}

.feature-item:nth-child(4) {
  border-left-color: var(--coral);
}

.feature-item h3 {
  font-size: 18px;
  font-weight: 900;
}

.feature-item p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.65;
}

/* ========== Scenarios ========== */

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.scenario {
  padding: 24px;
  border-radius: 24px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease;
}

.scenario:hover {
  transform: translateY(-3px);
}

.scenario__icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 16px;
  font-size: 24px;
  background: var(--cream-3);
}

.scenario:nth-child(1) .scenario__icon { background: var(--yellow-soft); }
.scenario:nth-child(2) .scenario__icon { background: var(--blue-soft); }
.scenario:nth-child(3) .scenario__icon { background: var(--mint-soft); }
.scenario:nth-child(4) .scenario__icon { background: var(--pink-soft); }
.scenario:nth-child(5) .scenario__icon { background: var(--coral-soft); }
.scenario:nth-child(6) .scenario__icon { background: var(--cream-3); }

.scenario h3 {
  font-size: 18px;
  font-weight: 900;
}

.scenario p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.65;
}

/* ========== Method band ========== */

.method-band {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: center;
  padding: 28px;
  border-radius: 36px;
  background: linear-gradient(135deg, #fff, var(--cream-2));
  box-shadow: var(--shadow);
  border: 1px solid rgba(74, 52, 36, 0.05);
}

.method-band__copy h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.25;
}

.method-band__copy h2 span {
  color: var(--mint-deep);
}

.method-band__copy p {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.75;
}

.method-band__art {
  border-radius: 28px;
  overflow: hidden;
  background: var(--cream);
  box-shadow: var(--shadow-sm);
}

.method-band__art img {
  width: 100%;
  height: auto;
}

/* ========== CTA ========== */

.cta {
  position: relative;
  padding: 40px;
  border-radius: 36px;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 20%, rgba(245, 200, 76, 0.35), transparent 28%),
    linear-gradient(135deg, #2f9a63, #45b67a 55%, #6ecf97);
  color: var(--white);
  box-shadow: 0 22px 50px rgba(47, 154, 99, 0.28);
}

.cta__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.cta h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.2;
}

.cta p {
  margin-top: 12px;
  max-width: 480px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.7;
}

.cta .btn-row {
  margin-top: 24px;
}

.cta .btn--primary {
  background: var(--white);
  color: var(--mint-deep);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.cta .btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  box-shadow: none;
}

.cta__visual {
  display: grid;
  place-items: center;
}

.cta__badge {
  width: min(280px, 100%);
  padding: 28px 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  text-align: center;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}

.cta__badge img {
  width: 88px;
  height: 88px;
  margin: 0 auto 14px;
  border-radius: 22px;
  box-shadow: 0 8px 18px rgba(74, 52, 36, 0.12);
}

.cta__badge strong {
  display: block;
  font-size: 22px;
  font-weight: 900;
}

.cta__badge span {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

/* ========== Legal / Support ========== */

.page-hero {
  padding: 48px 0 12px;
}

.page-hero h1 {
  font-size: clamp(32px, 4.5vw, 44px);
  font-weight: 900;
  line-height: 1.2;
}

.page-hero p {
  margin-top: 12px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.7;
}

.legal-card {
  max-width: 800px;
  margin: 0 auto 72px;
  padding: 40px;
  border-radius: 28px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.legal-card h1 {
  font-size: 28px;
  font-weight: 900;
}

.legal-meta {
  margin: 8px 0 24px;
  color: var(--ink-faint);
  font-size: 14px;
  font-weight: 700;
}

.legal-card h2 {
  margin: 28px 0 10px;
  font-size: 18px;
  font-weight: 900;
}

.legal-card h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.legal-card p,
.legal-card li {
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.8;
}

.legal-card p {
  margin: 0 0 10px;
}

.legal-card ul {
  margin: 0 0 10px;
  padding-left: 1.2em;
}

.legal-card a {
  color: var(--mint-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 48px;
}

.support-card {
  padding: 28px;
  border-radius: 24px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.support-card h3 {
  font-size: 20px;
  font-weight: 900;
}

.support-card p {
  margin: 10px 0 18px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.7;
}

.support-card--mint { background: linear-gradient(180deg, #fff, var(--mint-soft)); }
.support-card--yellow { background: linear-gradient(180deg, #fff, var(--yellow-soft)); }
.support-card--blue { background: linear-gradient(180deg, #fff, var(--blue-soft)); }
.support-card--pink { background: linear-gradient(180deg, #fff, var(--pink-soft)); }

.faq-list {
  display: grid;
  gap: 12px;
  margin-bottom: 72px;
}

.faq-item {
  padding: 22px 24px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 900;
}

.faq-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.7;
}

/* ========== Responsive ========== */

@media (max-width: 980px) {
  .hero__grid,
  .feature-showcase,
  .method-band,
  .cta__grid,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual,
  .hero-frame {
    min-height: 380px;
  }

  .steps,
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav {
    display: none;
  }

  .nav-toggle {
    display: grid;
  }

  .site-header.is-open .nav {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 16px 18px;
    background: rgba(255, 248, 240, 0.98);
    border-bottom: 1px solid rgba(74, 52, 36, 0.08);
    box-shadow: var(--shadow-sm);
  }

  .float-card--task {
    left: 12px;
    bottom: 18px;
  }

  .float-card--pet {
    right: 12px;
    bottom: 18px;
    width: 88px;
    height: 88px;
  }

  .float-card--pet img {
    width: 68px;
    height: 68px;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(var(--max), calc(100% - 28px));
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    padding-top: 20px;
  }

  .hero__copy .lead {
    font-size: 16px;
  }

  .hero__visual,
  .hero-frame {
    min-height: 320px;
  }

  .float-card--growth {
    right: 12px;
    top: 12px;
    min-width: 120px;
    padding: 10px 12px;
  }

  .float-card--growth b {
    font-size: 22px;
  }

  .float-card--task {
    min-width: 0;
    max-width: calc(100% - 110px);
  }

  .compare,
  .steps,
  .scenario-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .cta,
  .method-band,
  .legal-card {
    padding: 24px 20px;
  }

  .brand span {
    font-size: 16px;
  }

  .header-actions .btn--sm span.hide-sm {
    display: none;
  }
}