:root {
  --bg: #eaf2ff;
  --panel: rgba(255, 255, 255, 0.9);
  --text: #152033;
  --muted: #5c6b7e;
  --blue: #24488f;
  --cyan: #ff8242;
  --ink: #17315f;
  --line: rgba(36, 72, 143, 0.16);
  --shadow: 0 20px 60px rgba(38, 61, 116, 0.14);
}

* {
  box-sizing: border-box;
}

.is-hidden {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 18% 0%, rgba(36, 72, 143, 0.2), transparent 34rem),
    radial-gradient(circle at 84% 8%, rgba(255, 130, 66, 0.14), transparent 26rem),
    linear-gradient(180deg, #eef5ff 0%, var(--bg) 48%, #ffffff 100%);
  background-size: auto, auto, auto;
}

body.modal-open {
  overflow: hidden;
}

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

button,
select,
textarea,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(48, 95, 145, 0.1);
  background: rgba(238, 245, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-size: 24px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: white;
  border-radius: 8px;
  background: linear-gradient(110deg, var(--cyan) 0 52%, var(--blue) 52% 100%);
  font-size: 12px;
  font-weight: 900;
}

.main-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  color: #27364a;
  white-space: nowrap;
}

.main-nav a {
  padding: 10px 0;
}

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

.primary-button,
.ghost-button,
.icon-button,
.download-button,
.price-card button,
.tool-card,
.modal-close {
  border: 0;
  cursor: pointer;
  border-radius: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.primary-button {
  color: white;
  font-weight: 700;
  background: linear-gradient(135deg, #ff8a45, #ff6f2c);
  box-shadow: 0 12px 28px rgba(255, 130, 66, 0.28);
}

.primary-button:hover,
.ghost-button:hover,
.icon-button:hover,
.download-button:hover,
.price-card button:hover,
.tool-card:hover {
  transform: translateY(-1px);
}

.ghost-button {
  padding: 10px 18px;
  color: var(--blue);
  font-weight: 700;
  background: rgba(36, 72, 143, 0.1);
}

.compact {
  padding: 10px 18px;
}

.wide {
  width: 100%;
  padding: 15px 18px;
  margin-top: 14px;
}

.hero-shell {
  padding: 20px 3vw 32px;
}

.hero-copy {
  max-width: 980px;
  margin: 0 auto 22px;
  text-align: center;
}

.hero-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 14px;
  color: var(--cyan);
  border-radius: 8px;
  background: rgba(255, 130, 66, 0.12);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 8px;
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.1;
  color: var(--blue);
}

.hero-copy p:last-child,
.section-heading p,
.contact-band p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.studio {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 22px;
  max-width: 1480px;
  margin: 0 auto;
}

.control-panel,
.canvas-panel,
.tool-card,
.price-card,
.workflow-grid article,
.case-item,
.faq-list details,
.tool-modal {
  border: 1px solid rgba(80, 134, 190, 0.12);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.control-panel {
  height: 620px;
  padding: 22px;
}

.field-label {
  display: block;
  margin-bottom: 9px;
  color: #30445d;
  font-weight: 800;
}

textarea,
select,
input {
  width: 100%;
  color: var(--text);
  border: 1px solid rgba(72, 112, 164, 0.18);
  border-radius: 8px;
  background: white;
  outline: none;
}

textarea {
  min-height: 104px;
  resize: vertical;
  padding: 14px;
  line-height: 1.6;
}

select,
.message-form input {
  height: 44px;
  padding: 0 12px;
}

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

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.style-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.segmented button,
.style-buttons button {
  height: 42px;
  color: #38506c;
  border: 1px solid rgba(72, 112, 164, 0.18);
  border-radius: 8px;
  background: white;
  cursor: pointer;
}

.segmented button.active,
.style-buttons button.active {
  color: white;
  border-color: transparent;
  background: var(--cyan);
}

.upload-box {
  display: grid;
  place-items: center;
  min-height: 96px;
  margin-top: 18px;
  padding: 18px;
  color: #49617d;
  border: 1px dashed rgba(255, 130, 66, 0.5);
  border-radius: 8px;
  background: rgba(240, 248, 255, 0.72);
  cursor: pointer;
  text-align: center;
}

.upload-box input {
  display: none;
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 8px;
  color: white;
  border-radius: 50%;
  background: var(--cyan);
}

.upload-box small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.canvas-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 620px;
  min-height: 0;
}

.result-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(80, 134, 190, 0.12);
}

.result-toolbar span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.icon-button {
  width: 42px;
  height: 42px;
  color: var(--blue);
  font-size: 22px;
  background: rgba(36, 72, 143, 0.1);
}

.download-button {
  min-width: 96px;
  height: 42px;
  padding: 0 16px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 800;
  background: rgba(36, 72, 143, 0.1);
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  background: white;
}

.canvas-panel canvas {
  flex: 1;
  min-height: 0;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.section-wrap,
.contact-band {
  max-width: 1560px;
  margin: 0 auto;
  padding: 58px 3vw;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2,
.contact-band h2 {
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 42px);
}

.suite-heading {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.suite-heading .eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 14px;
  color: var(--cyan);
  border-radius: 8px;
  background: rgba(255, 130, 66, 0.12);
}

.suite-heading h2 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  color: var(--blue);
}

.suite-heading p:last-child {
  max-width: 780px;
  margin-right: auto;
  margin-left: auto;
}

.hero-style-heading {
  max-width: 1100px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.hero-style-heading .eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 14px;
  color: var(--cyan);
  border-radius: 8px;
  background: rgba(255, 130, 66, 0.12);
}

.hero-style-heading h2 {
  font-size: clamp(46px, 6vw, 86px);
  line-height: 1.08;
  color: var(--blue);
}

.hero-style-heading p:last-child {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
}

.tool-grid,
.price-grid,
.workflow-grid,
.case-grid,
.suite-grid {
  display: grid;
  gap: 20px;
}

.suite-layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 22px;
}

.suite-form,
.suite-card {
  border: 1px solid rgba(80, 134, 190, 0.12);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.suite-form {
  padding: 22px;
}

.suite-form .field-label:not(:first-child) {
  margin-top: 18px;
}

.suite-upload {
  min-height: 116px;
}

.suite-status {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.usage-card {
  margin-top: 28px;
  padding: 18px;
  border: 1px solid rgba(80, 134, 190, 0.12);
  border-radius: 8px;
  background: rgba(238, 245, 255, 0.78);
}

.usage-card h3 {
  margin-bottom: 12px;
  color: var(--blue);
}

.usage-card ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.suite-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.suite-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(238, 245, 255, 0.88)),
    radial-gradient(circle at 78% 18%, rgba(255, 130, 66, 0.22), transparent 7rem);
}

.suite-card::before {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 82px;
  height: 82px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 130, 66, 0.9), rgba(255, 178, 103, 0.75)),
    linear-gradient(#ffffff, #ffffff);
  box-shadow: 0 16px 34px rgba(255, 130, 66, 0.25);
  transform: rotate(-8deg);
}

.suite-card::after {
  content: "";
  position: absolute;
  right: 42px;
  bottom: 38px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(36, 72, 143, 0.86);
}

.suite-card:has(.suite-product-image)::before,
.suite-card:has(.suite-product-image)::after {
  display: none;
}

.suite-product-image {
  position: relative;
  z-index: 1;
  display: block;
  width: min(100%, 420px);
  margin: 18px auto 0;
  border-radius: 8px;
  background: white;
  object-fit: contain;
  box-shadow: 0 14px 34px rgba(23, 49, 95, 0.12);
}

.suite-card .suite-product-image {
  width: 100%;
  margin-top: 14px;
  aspect-ratio: 1;
}

.suite-card span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 30px;
  color: white;
  border-radius: 8px;
  background: var(--blue);
  font-weight: 800;
}

.suite-card h3 {
  position: relative;
  z-index: 1;
  margin: 18px 0 10px;
}

.suite-card p {
  position: relative;
  z-index: 1;
  max-width: 82%;
  color: var(--muted);
  line-height: 1.6;
}

.mini-generate {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 40px;
  margin-top: 16px;
  color: white;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, #ff8a45, #ff6f2c);
  box-shadow: 0 10px 22px rgba(255, 130, 66, 0.2);
  cursor: pointer;
  font-weight: 800;
}

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

.suite-card.generated {
  border-color: rgba(255, 130, 66, 0.42);
}

.suite-card.generated span {
  background: var(--cyan);
}

.bonus-card {
  border: 1px dashed rgba(255, 130, 66, 0.42);
}

.bonus-card::before {
  background: linear-gradient(135deg, rgba(255, 130, 66, 0.8), rgba(255, 178, 103, 0.6));
}

.aplus-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 245, 235, 0.9)),
    radial-gradient(circle at 76% 16%, rgba(36, 72, 143, 0.18), transparent 7rem);
}

.aplus-card::before {
  border-radius: 999px 999px 24px 24px;
  background: linear-gradient(135deg, rgba(36, 72, 143, 0.88), rgba(92, 126, 202, 0.72));
}

.aplus-card::after {
  background: rgba(255, 130, 66, 0.9);
}

.tool-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-card {
  overflow: hidden;
  padding: 0;
  color: inherit;
  text-align: left;
}

.tool-card:hover {
  box-shadow: 0 26px 70px rgba(33, 84, 142, 0.2);
}

.tool-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1.38;
  object-fit: cover;
}

.compare-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 210px;
  background: #eef5ff;
}

.compare-side {
  position: relative;
  overflow: hidden;
}

.compare-side + .compare-side {
  border-left: 2px solid rgba(255, 255, 255, 0.9);
}

.compare-side img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
}

.compare-side.before img {
  filter: saturate(0.68) contrast(0.88) brightness(0.96);
}

.compare-side.after img {
  filter: saturate(1.18) contrast(1.08) brightness(1.05);
}

.compare-side span {
  position: absolute;
  left: 10px;
  bottom: 10px;
  margin: 0;
  padding: 5px 9px;
  color: white;
  border-radius: 8px;
  background: rgba(23, 49, 95, 0.82);
  font-size: 13px;
  font-weight: 800;
}

.compare-side.after span {
  background: rgba(255, 130, 66, 0.92);
}

.tool-card h3,
.tool-card p,
.tool-card span {
  margin-left: 18px;
  margin-right: 18px;
}

.tool-card h3 {
  margin-top: 18px;
  margin-bottom: 10px;
}

.tool-card p {
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.tool-card span {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--blue);
  font-weight: 800;
}

.workflow-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workflow-grid article {
  padding: 24px;
}

.workflow-grid span {
  color: var(--cyan);
  font-size: 34px;
  font-weight: 800;
}

.workflow-grid h3 {
  margin: 14px 0 10px;
}

.workflow-grid p,
.case-item span,
.faq-list p {
  color: var(--muted);
  line-height: 1.65;
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-item {
  overflow: hidden;
}

.case-item img {
  display: block;
  width: 100%;
  aspect-ratio: 1.2;
  object-fit: cover;
}

.case-item div {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.amazon-case-layout {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: 22px;
}

.amazon-case-hero,
.amazon-case-grid div {
  border: 1px solid rgba(80, 134, 190, 0.12);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.amazon-case-hero {
  display: grid;
  align-content: end;
  min-height: 360px;
  padding: 26px;
  color: white;
  background:
    linear-gradient(145deg, rgba(23, 49, 95, 0.92), rgba(36, 72, 143, 0.78)),
    radial-gradient(circle at 75% 20%, rgba(255, 130, 66, 0.75), transparent 9rem);
}

.amazon-case-hero span {
  width: max-content;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255, 130, 66, 0.92);
  font-weight: 800;
}

.amazon-case-hero h3 {
  margin-bottom: 12px;
  font-size: 30px;
}

.amazon-case-hero p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.7;
}

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

.amazon-case-grid div {
  display: grid;
  place-items: end start;
  min-height: 170px;
  padding: 16px;
  color: var(--blue);
  font-weight: 800;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(238, 245, 255, 0.9)),
    radial-gradient(circle at 78% 22%, rgba(255, 130, 66, 0.26), transparent 5rem);
}

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

.amazon-ai-case-gallery img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: white;
}

.price-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.price-card {
  padding: 24px;
}

.price-card span {
  color: var(--blue);
  font-weight: 800;
}

.price-card h3 {
  margin: 12px 0 10px;
  font-size: 40px;
}

.price-card p {
  min-height: 58px;
  color: var(--muted);
}

.price-card ul {
  display: grid;
  gap: 8px;
  min-height: 92px;
  margin: 0 0 20px;
  padding-left: 18px;
  color: #405773;
}

.price-card button {
  width: 100%;
  height: 44px;
  color: white;
  font-weight: 700;
  background: var(--ink);
}

.price-card.featured {
  color: white;
  background: linear-gradient(135deg, #24488f, #385faa);
}

.price-card.featured span,
.price-card.featured p,
.price-card.featured ul {
  color: rgba(255, 255, 255, 0.88);
}

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

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 12px 0 0;
}

.contact-band {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 420px);
  gap: 28px;
  align-items: start;
}

.message-form {
  display: grid;
  gap: 12px;
}

.contact-note {
  color: var(--blue);
  font-weight: 800;
}

.qr-card {
  display: inline-grid;
  gap: 10px;
  margin-top: 18px;
  padding: 14px;
  border: 1px solid rgba(80, 134, 190, 0.12);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.qr-image {
  display: block;
  width: 150px;
  height: 150px;
  border-radius: 8px;
  background: #eef5ff;
  object-fit: cover;
}

.qr-card span {
  max-width: 150px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.wechat-copy {
  max-width: 560px;
  margin-top: 20px;
  color: var(--text);
  line-height: 1.75;
}

.wechat-copy strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 18px;
}

.wechat-copy p {
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 700;
}

.message-form textarea {
  min-height: 108px;
}

.message-form button {
  height: 46px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 21, 40, 0.45);
}

.modal-backdrop[hidden] {
  display: none;
}

.tool-modal {
  position: relative;
  width: min(720px, 100%);
  padding: 28px;
  background: white;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  color: #334864;
  font-size: 24px;
  background: rgba(36, 72, 143, 0.1);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.detail-grid div {
  padding: 16px;
  border-radius: 8px;
  background: #eef5ff;
}

.detail-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.modal-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 28px 5vw;
  color: var(--muted);
  border-top: 1px solid rgba(80, 134, 190, 0.12);
}

@media (max-width: 1020px) {
  .main-nav {
    gap: 14px;
    font-size: 14px;
  }
}

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px 5vw;
  }

  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }

  .studio,
  .contact-band,
  .suite-layout,
  .amazon-case-layout {
    grid-template-columns: 1fr;
  }

  .control-panel,
  .canvas-panel {
    height: auto;
  }

  .canvas-panel {
    min-height: 420px;
  }

  .tool-grid,
  .price-grid,
  .workflow-grid,
  .case-grid,
  .suite-grid,
  .amazon-case-grid,
  .amazon-ai-case-gallery {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 560px) {
  .header-actions {
    margin-left: auto;
  }

  .brand {
    font-size: 20px;
  }

  .hero-shell {
    padding-top: 32px;
  }

  .tool-grid,
  .price-grid,
  .workflow-grid,
  .case-grid,
  .suite-grid,
  .amazon-ai-case-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .amazon-case-grid {
    grid-template-columns: 1fr;
  }


  .tool-modal {
    padding: 22px;
  }

  .site-footer {
    display: grid;
    gap: 8px;
  }
}