:root {
  --bg: #f5efe8;
  --surface: #fffaf6;
  --surface-strong: #ffffff;
  --ink: #231815;
  --muted: #6d5c55;
  --line: rgba(35, 24, 21, 0.1);
  --brand: #b51e23;
  --brand-deep: #82151a;
  --accent: #d6a14f;
  --accent-soft: #f3dcb6;
  --shadow: 0 24px 60px rgba(75, 35, 22, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1180px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(214, 161, 79, 0.22), transparent 32%),
    linear-gradient(180deg, #fbf7f2 0%, #f2e8de 100%);
}

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

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

button,
input,
select {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(251, 247, 242, 0.72);
  border-bottom: 1px solid rgba(35, 24, 21, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--brand) 0%, #d74442 100%);
  box-shadow: 0 14px 24px rgba(181, 30, 35, 0.24);
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-text strong {
  font-size: 18px;
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 14px;
  transition: color 0.25s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--brand);
  transition: transform 0.25s ease;
}

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

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  color: #fff !important;
  background: var(--brand);
}

.nav-cta::after {
  display: none;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero-section {
  position: relative;
  padding: 42px 0 64px;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(181, 30, 35, 0.07), transparent 36%),
    radial-gradient(circle at 18% 12%, rgba(214, 161, 79, 0.28), transparent 20%),
    radial-gradient(circle at 80% 32%, rgba(181, 30, 35, 0.14), transparent 20%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 42px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-head h2,
.planner-copy h2,
.promise-copy h2,
.contact-copy h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  font-size: clamp(38px, 6vw, 70px);
}

.hero-copy h1 span {
  display: block;
  color: var(--brand-deep);
}

.hero-text,
.section-head p,
.planner-copy p,
.promise-copy p,
.contact-copy p,
.scene-content p,
.feature-card p,
.faq-answer p,
.site-footer p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 620px;
  margin: 24px 0 0;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-tags span {
  padding: 10px 14px;
  border: 1px solid rgba(181, 30, 35, 0.12);
  border-radius: 999px;
  color: var(--brand-deep);
  background: rgba(255, 255, 255, 0.68);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #d5393e);
  box-shadow: 0 16px 28px rgba(181, 30, 35, 0.24);
}

.btn-secondary {
  color: var(--ink);
  border-color: rgba(35, 24, 21, 0.12);
  background: rgba(255, 255, 255, 0.68);
}

.btn.full {
  width: 100%;
}

.offer-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  align-items: center;
  margin-top: 34px;
  padding: 20px 22px;
  border: 1px solid rgba(181, 30, 35, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 246, 0.85);
  box-shadow: var(--shadow);
}

.offer-label,
.panel-tag,
.mini-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.offer-label,
.panel-tag,
.mini-chip {
  color: var(--brand);
  background: rgba(181, 30, 35, 0.08);
}

.offer-card p {
  grid-column: 1 / 2;
  margin: 8px 0 0;
  color: var(--muted);
}

.offer-card strong {
  font-size: clamp(42px, 6vw, 66px);
  color: var(--brand);
  line-height: 1;
}

.offer-unit {
  grid-column: 2 / 3;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.hero-image-card {
  position: relative;
  padding: 18px;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.62));
  box-shadow: var(--shadow);
}

.hero-image-card img {
  width: 100%;
  min-height: 620px;
  object-fit: cover;
  border-radius: 24px;
}

.floating-note {
  position: absolute;
  max-width: 200px;
  padding: 16px 18px;
  border-radius: 18px;
  color: #fff;
  background: rgba(35, 24, 21, 0.82);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
}

.floating-note strong {
  display: block;
  margin-bottom: 6px;
  font-size: 24px;
}

.floating-note span {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.6;
}

.note-a {
  top: 28px;
  left: -28px;
}

.note-b {
  right: -18px;
  top: 90px;
  background: rgba(181, 30, 35, 0.92);
}

.note-c {
  left: 30px;
  bottom: 26px;
  max-width: 220px;
}

.stat-strip {
  margin-top: -16px;
  padding-bottom: 12px;
}

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

.stat-grid article,
.feature-card,
.planner-card,
.promise-list article,
.faq-item,
.contact-form {
  border: 1px solid rgba(35, 24, 21, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.stat-grid article {
  padding: 22px;
}

.stat-grid strong,
.feature-card h3,
.scene-content h3,
.planner-card h3,
.promise-list strong,
.contact-copy h2,
.faq-question {
  font-size: clamp(22px, 2.4vw, 30px);
}

.stat-grid strong {
  display: block;
  font-size: 20px;
}

.stat-grid p,
.promise-list p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-head.narrow {
  text-align: center;
  margin-inline: auto;
  margin-bottom: 36px;
}

.section-head h2,
.planner-copy h2,
.promise-copy h2,
.contact-copy h2 {
  font-size: clamp(30px, 4vw, 52px);
}

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

.feature-card {
  position: relative;
  min-height: 220px;
  padding: 28px;
  overflow: hidden;
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(181, 30, 35, 0.18);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: auto -22px -28px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 161, 79, 0.2), transparent 66%);
}

.feature-index {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.feature-card h3 {
  margin: 0;
  font-size: 26px;
}

.scene-section {
  background: linear-gradient(180deg, rgba(255, 248, 242, 0.65), rgba(251, 241, 233, 0.92));
}

.scene-shell {
  position: relative;
}

.scene-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.scene-tab,
.option-btn {
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(35, 24, 21, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s ease;
}

.scene-tab:hover,
.option-btn:hover,
.scene-tab.active,
.option-btn.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand), #da4a43);
  box-shadow: 0 12px 24px rgba(181, 30, 35, 0.18);
}

.scene-panel-wrap {
  position: relative;
}

.scene-panel {
  display: none;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 24px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(35, 24, 21, 0.08);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

.scene-panel.active {
  display: grid;
}

.scene-image img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 24px;
}

.scene-content {
  padding: 18px 20px;
}

.scene-content h3 {
  margin: 18px 0 10px;
}

.scene-content ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.scene-content li {
  position: relative;
  padding-left: 20px;
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.scene-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.planner-grid,
.promise-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 24px;
  align-items: start;
}

.planner-control {
  margin-top: 22px;
}

.control-label {
  display: block;
  margin-bottom: 12px;
  font-weight: 700;
}

.option-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.range-input {
  width: 100%;
  accent-color: var(--brand);
}

.planner-card {
  padding: 26px;
}

.planner-card-top {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.mini-chip.muted {
  color: var(--muted);
  background: rgba(35, 24, 21, 0.06);
}

.planner-card h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
}

.meter-block {
  margin-top: 20px;
}

.meter-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.meter-row span,
.meter-row strong {
  font-size: 14px;
}

.meter-bar {
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: rgba(35, 24, 21, 0.08);
}

.meter-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transition: width 0.35s ease;
}

.roadmap {
  display: grid;
  gap: 14px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid rgba(35, 24, 21, 0.08);
}

.roadmap div {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  align-items: start;
}

.roadmap span {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--brand);
  font-weight: 700;
  background: rgba(181, 30, 35, 0.08);
}

.roadmap p {
  margin: 12px 0 0;
  color: var(--muted);
}

.promise-section {
  padding-top: 0;
}

.promise-list {
  display: grid;
  gap: 18px;
}

.promise-list article {
  padding: 24px;
}

.promise-list strong {
  display: block;
  font-size: 22px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 24px 74px 24px 24px;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  font-size: 22px;
  background: transparent;
  position: relative;
}

.faq-question::after,
.faq-question::before {
  content: "";
  position: absolute;
  right: 28px;
  top: 50%;
  width: 18px;
  height: 2px;
  background: var(--brand);
  transform: translateY(-50%);
  transition: transform 0.25s ease;
}

.faq-question::before {
  transform: translateY(-50%) rotate(90deg);
}

.faq-item.active .faq-question::before {
  transform: translateY(-50%) rotate(0deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 24px;
}

.faq-item.active .faq-answer {
  display: block;
}

.contact-grid {
  align-items: center;
}

.contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.contact-points span {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--brand-deep);
  background: rgba(214, 161, 79, 0.18);
}

.contact-form {
  padding: 28px;
}

.field-row {
  margin-bottom: 18px;
}

.field-row label {
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
}

.field-row input,
.field-row select {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(35, 24, 21, 0.12);
  border-radius: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.field-row input:focus,
.field-row select:focus {
  outline: none;
  border-color: rgba(181, 30, 35, 0.44);
  box-shadow: 0 0 0 4px rgba(181, 30, 35, 0.08);
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 6px 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.checkbox-row input {
  margin-top: 5px;
  accent-color: var(--brand);
}

.form-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.site-footer {
  padding: 28px 0 102px;
  color: rgba(255, 255, 255, 0.84);
  background: #281f1d;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.site-footer strong {
  display: block;
  font-size: 18px;
}

.site-footer p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.footer-brand-block {
  max-width: 360px;
}

.footer-copy {
  margin-top: 16px;
  font-size: 13px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 20px;
  flex: 1;
}

.footer-email {
  display: inline-block;
  margin-top: 10px;
  color: #f8d7a3;
}

.back-top {
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.mobile-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(40, 31, 29, 0.92);
  backdrop-filter: blur(16px);
}

.mobile-bar a {
  min-height: 48px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.mobile-bar a:last-child {
  background: linear-gradient(135deg, var(--brand), #d5393e);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  z-index: 60;
  min-width: min(560px, calc(100% - 32px));
  padding: 16px 18px;
  border-radius: 16px;
  color: #fff;
  text-align: center;
  background: rgba(35, 24, 21, 0.92);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.12s;
}

.delay-2 {
  transition-delay: 0.2s;
}

@media (max-width: 1080px) {
  .hero-grid,
  .planner-grid,
  .promise-grid,
  .contact-grid,
  .scene-panel,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .scene-panel {
    gap: 14px;
  }

  .hero-image-card img {
    min-height: 520px;
  }

  .note-a {
    left: 16px;
  }

  .note-b {
    right: 16px;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 16px;
    border: 1px solid rgba(35, 24, 21, 0.08);
    border-radius: 22px;
    background: rgba(255, 250, 246, 0.97);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a::after {
    display: none;
  }

  .hero-section {
    padding-top: 26px;
  }

  .stat-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .mobile-bar {
    display: grid;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--container), calc(100% - 24px));
  }

  .header-inner {
    min-height: 72px;
  }

  .section {
    padding: 70px 0;
  }

  .hero-copy h1 {
    font-size: 38px;
  }

  .hero-text {
    font-size: 15px;
  }

  .hero-image-card {
    padding: 12px;
    border-radius: 24px;
  }

  .hero-image-card img,
  .scene-image img {
    min-height: 300px;
    border-radius: 18px;
  }

  .floating-note {
    position: static;
    max-width: none;
    margin-top: 12px;
  }

  .offer-card,
  .contact-form,
  .planner-card,
  .feature-card,
  .scene-panel,
  .stat-grid article {
    border-radius: 18px;
  }

  .offer-card {
    grid-template-columns: 1fr;
  }

  .offer-unit {
    grid-column: auto;
    text-align: left;
  }

  .faq-question {
    padding: 20px 58px 20px 20px;
    font-size: 18px;
  }

  .faq-answer {
    padding: 0 20px 20px;
  }

  .site-footer {
    padding-bottom: 104px;
  }
}