:root {
  --pink: #ff2f72;
  --pink-strong: #f4145f;
  --pink-soft: #fff0f5;
  --rose: #ffd7e4;
  --ink: #171827;
  --muted: #6b6370;
  --line: rgba(244, 20, 95, 0.16);
  --surface: rgba(255, 255, 255, 0.86);
  --shadow: 0 24px 70px rgba(230, 30, 96, 0.16);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 195, 214, 0.42), transparent 28%),
    radial-gradient(circle at 87% 6%, rgba(255, 220, 229, 0.8), transparent 32%),
    linear-gradient(180deg, #fff8fb 0%, #fff 42%, #fff7fa 100%);
}

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

button,
textarea,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 76px;
  padding: 0 clamp(24px, 4vw, 58px);
  background: rgba(255, 248, 251, 0.84);
  border-bottom: 1px solid rgba(255, 47, 114, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #ff5790, #f4145f);
  border-radius: 10px;
  box-shadow: 0 10px 26px rgba(244, 20, 95, 0.22);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 54px);
  font-size: 15px;
  font-weight: 700;
}

.desktop-nav a {
  position: relative;
  padding: 28px 0;
}

.desktop-nav a.active,
.desktop-nav a:hover {
  color: var(--pink-strong);
}

.desktop-nav a.active::after {
  position: absolute;
  right: 18%;
  bottom: 14px;
  left: 18%;
  height: 3px;
  content: "";
  background: var(--pink);
  border-radius: 99px;
}

.header-cta,
.generate-button {
  color: #fff;
  background: linear-gradient(135deg, #ff1265, #ff5a95);
  border: 0;
  box-shadow: 0 18px 36px rgba(244, 20, 95, 0.24);
}

.header-cta {
  padding: 12px 20px;
  font-weight: 800;
  border-radius: 9px;
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  color: var(--ink);
  cursor: pointer;
  background: transparent;
  border: 0;
  font-size: 30px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(520px, 1.1fr);
  min-height: 655px;
  padding: clamp(42px, 5vw, 80px) clamp(24px, 4vw, 58px) 0;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.script-label {
  margin: 24px 0 0 102px;
  color: rgba(244, 20, 95, 0.38);
  font-family: cursive;
  font-size: 28px;
  font-style: italic;
}

h1 {
  margin: 0;
  font-size: clamp(56px, 5vw, 76px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0;
}

h1 span,
.hero-subtitle span {
  color: var(--pink);
}

.hero-subtitle {
  margin: 22px 0 30px;
  font-size: clamp(20px, 1.8vw, 28px);
  line-height: 1.65;
  font-weight: 600;
}

.generator-panel {
  width: min(100%, 606px);
  padding: 22px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

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

.step-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 800;
}

.step-title span {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #ff4e8a, #f4145f);
  border-radius: 50%;
  font-size: 13px;
}

.upload-zone {
  position: relative;
  display: grid;
  min-height: 136px;
  place-items: center;
  overflow: hidden;
  cursor: pointer;
  background: linear-gradient(180deg, #fff, #fff8fb);
  border: 2px dashed rgba(255, 47, 114, 0.42);
  border-radius: 8px;
}

.upload-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.upload-zone.dragover {
  background: #fff1f6;
  border-color: var(--pink);
}

.upload-empty {
  display: grid;
  gap: 8px;
  justify-items: center;
  color: var(--muted);
  text-align: center;
}

.upload-empty i {
  color: var(--pink);
  font-size: 52px;
}

.upload-empty strong {
  color: var(--ink);
}

.upload-empty small {
  font-size: 12px;
}

.upload-preview {
  display: none;
  width: 100%;
  height: 196px;
  object-fit: cover;
}

.upload-zone.has-image .upload-preview {
  display: block;
}

.upload-zone.has-image .upload-empty {
  display: none;
}

.mobile-upload-actions {
  display: none;
}

textarea {
  width: 100%;
  min-height: 136px;
  padding: 18px;
  resize: vertical;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 24, 39, 0.14);
  border-radius: 10px;
  outline: 0;
}

textarea:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 4px rgba(255, 47, 114, 0.12);
}

.prompt-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips button {
  height: 32px;
  padding: 0 14px;
  color: #cf1a55;
  cursor: pointer;
  background: #fff6f9;
  border: 1px solid rgba(255, 47, 114, 0.24);
  border-radius: 999px;
}

.generate-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 56px;
  gap: 14px;
  cursor: pointer;
  border-radius: 8px;
  font-size: 22px;
  font-weight: 900;
}

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

.trust-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 15px;
  color: var(--muted);
  font-size: 13px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-row i {
  color: var(--pink);
}

.hero-gallery {
  position: relative;
  min-height: 580px;
}

.portrait-main {
  position: absolute;
  inset: 0 210px 0 0;
  overflow: hidden;
  border-radius: 0;
  mask-image: linear-gradient(90deg, transparent 0%, #000 15%, #000 100%);
}

.portrait-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 23%;
  transform: scale(1.5);
  filter: saturate(1.05);
}

.gallery-grid {
  position: absolute;
  top: 0;
  right: 0;
  display: grid;
  width: 352px;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding-top: 20px;
}

.sample {
  display: block;
  width: 100%;
  height: 142px;
  background-image: url("./assets/desktop-reference.png");
  background-repeat: no-repeat;
  background-size: 730px 519px;
  border: 4px solid rgba(255, 255, 255, 0.92);
  border-radius: 10px;
  box-shadow: 0 18px 42px rgba(140, 44, 74, 0.24);
}

.sample-1 { background-position: -552px -34px; }
.sample-2 { background-position: -638px -36px; }
.sample-3 { background-position: -552px -126px; }
.sample-4 { background-position: -638px -126px; }
.sample-5 { background-position: -552px -216px; }
.sample-6 { background-position: -638px -216px; }

.mobile-preview {
  display: none;
}

.features {
  padding: 44px clamp(24px, 5vw, 76px) 64px;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid var(--line);
}

.section-head {
  text-align: center;
}

.section-head p,
.eyebrow {
  margin: 0 0 8px;
  color: var(--pink);
  font-weight: 900;
}

.section-head h2,
.guide h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.25;
}

.section-head span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.feature-grid article {
  min-height: 148px;
  padding: 22px 18px;
  text-align: center;
  background: linear-gradient(180deg, #fff4f8, #fff);
  border: 1px solid rgba(255, 47, 114, 0.12);
  border-radius: 8px;
}

.feature-grid i {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--pink);
  background: #ffe5ee;
  border-radius: 8px;
  font-size: 26px;
}

.feature-grid h3 {
  margin: 14px 0 8px;
  font-size: 18px;
}

.feature-grid p,
.guide li,
.faq p,
.site-footer p {
  color: var(--muted);
  line-height: 1.8;
}

.feature-grid p {
  margin: 0;
  font-size: 13px;
}

.guide {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 54px;
  padding: 62px clamp(24px, 5vw, 76px);
  border-top: 1px solid var(--line);
}

.guide ol {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.guide li {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 47, 114, 0.12);
  border-radius: 8px;
}

.guide li span {
  color: var(--pink);
  font-size: 22px;
  font-weight: 900;
}

.faq {
  padding: 0 clamp(24px, 5vw, 76px) 62px;
}

.faq-list {
  max-width: 860px;
  margin: 28px auto 0;
}

details {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 47, 114, 0.14);
  border-radius: 8px;
}

details + details {
  margin-top: 12px;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1.1fr;
  gap: 34px;
  align-items: center;
  padding: 34px clamp(24px, 5vw, 76px);
  background: rgba(255, 255, 255, 0.82);
  border-top: 1px solid var(--line);
}

.footer-brand {
  font-size: 19px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 24px;
  color: var(--muted);
}

.icp {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}

.icp img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.icp div {
  display: grid;
  gap: 4px;
}

.icp a {
  font-weight: 700;
}

.icp small,
.icp span {
  color: var(--muted);
}

.bottom-nav,
.toast {
  display: none;
}

.privacy-entry {
  display: flex;
  justify-content: center;
  padding: 0 clamp(24px, 5vw, 76px) 28px;
  background: rgba(255, 255, 255, 0.82);
}

.privacy-open {
  color: var(--pink-strong);
  cursor: pointer;
  background: transparent;
  border: 0;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.privacy-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.privacy-modal.open {
  display: flex;
}

.privacy-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(23, 24, 39, 0.48);
  backdrop-filter: blur(10px);
}

.privacy-dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  height: min(84vh, 820px);
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(255, 47, 114, 0.16);
  border-radius: 14px;
  box-shadow: 0 30px 90px rgba(40, 20, 34, 0.28);
}

.privacy-dialog iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.privacy-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--ink);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 47, 114, 0.18);
  border-radius: 50%;
  font-size: 24px;
  box-shadow: 0 10px 26px rgba(40, 20, 34, 0.12);
}

body.privacy-locked {
  overflow: hidden;
}


@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-gallery {
    display: none;
  }

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

@media (max-width: 760px) {
  body {
    padding-bottom: calc(72px + env(safe-area-inset-bottom));
    background:
      radial-gradient(circle at 88% 12%, rgba(255, 199, 217, 0.86), transparent 30%),
      radial-gradient(circle at 14% 4%, rgba(255, 235, 242, 0.96), transparent 35%),
      linear-gradient(180deg, #fff7fa 0%, #fff1f6 44%, #fff 100%);
  }

  .site-header {
    height: 68px;
    padding: 0 22px;
  }

  .brand {
    gap: 10px;
    color: var(--pink-strong);
    font-size: 21px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 50%;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    display: block;
    min-height: 0;
    padding: 42px 22px 0;
  }

  .script-label {
    display: none;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(39px, 10.8vw, 46px);
    line-height: 1.12;
  }

  .hero-subtitle {
    margin: 18px 0 24px;
    font-size: 20px;
    line-height: 1.55;
  }

  .generator-panel {
    width: 100%;
    padding: 18px;
    border-radius: 14px;
  }

  .step-title {
    font-size: 19px;
  }

  .step-title span {
    width: 32px;
    height: 32px;
    font-size: 17px;
  }

  .upload-zone {
    min-height: 174px;
    border-radius: 10px;
  }

  .upload-empty i {
    font-size: 50px;
  }

  .upload-preview {
    height: 224px;
  }

  .mobile-upload-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin-top: 0;
    background: rgba(23, 24, 39, 0.1);
  }

  .mobile-upload-actions button {
    height: 48px;
    color: var(--ink);
    cursor: pointer;
    background: #fff;
    border: 0;
    font-weight: 700;
  }

  textarea {
    min-height: 144px;
    font-size: 16px;
  }

  .prompt-tools {
    display: block;
  }

  .chips {
    gap: 8px;
    margin-bottom: 10px;
  }

  .chips button {
    height: 34px;
    padding: 0 13px;
    font-size: 14px;
  }

  .generate-button {
    height: 64px;
    font-size: 24px;
    border-radius: 10px;
  }

  .trust-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .mobile-preview {
    display: block;
    padding: 22px;
  }

  .section-head.compact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .section-head.compact h2 {
    margin: 0;
    font-size: 18px;
  }

  .section-head.compact a {
    display: flex;
    align-items: center;
    color: var(--pink);
    font-weight: 700;
  }

  .compare-strip {
    display: grid;
    grid-template-columns: 1fr 42px 1fr;
    align-items: center;
    gap: 0;
    margin-top: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(255, 47, 114, 0.14);
    border-radius: 12px;
  }

  .compare-strip img {
    width: 100%;
    height: 108px;
    object-fit: cover;
    border-radius: 9px;
  }

  .compare-strip img:first-child {
    object-position: 48% 72%;
  }

  .compare-strip img:last-child {
    object-position: 51% 24%;
  }

  .compare-strip span {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, #ff4e8a, #f4145f);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 10px 24px rgba(244, 20, 95, 0.25);
  }

  .features {
    padding: 28px 22px 34px;
    background: transparent;
  }

  .section-head h2 {
    font-size: 25px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
  }

  .feature-grid article {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 12px;
    min-height: 0;
    padding: 16px;
    text-align: left;
  }

  .feature-grid i {
    grid-row: span 2;
    width: 52px;
    height: 52px;
  }

  .feature-grid h3 {
    margin: 2px 0 0;
  }

  .guide {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 34px 22px;
  }

  .guide li {
    align-items: flex-start;
  }

  .faq {
    padding: 0 22px 30px;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding: 24px 22px;
  }

  .footer-links {
    display: none;
  }

  .site-footer p {
    margin-bottom: 0;
  }

  .icp {
    justify-content: flex-start;
    gap: 12px;
  }

  .icp img {
    width: 56px;
    height: 56px;
  }

  .bottom-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(255, 255, 255, 0.94);
    border-top: 1px solid rgba(23, 24, 39, 0.08);
    backdrop-filter: blur(16px);
  }

  .bottom-nav a {
    display: grid;
    height: 68px;
    place-items: center;
    align-content: center;
    gap: 3px;
    color: #908993;
    font-size: 12px;
  }

  .bottom-nav i {
    font-size: 24px;
  }

  .bottom-nav a.active {
    color: var(--pink);
    font-weight: 800;
  }

  .toast {
    position: fixed;
    right: 18px;
    bottom: 92px;
    left: 18px;
    z-index: 40;
    padding: 14px 16px;
    color: #fff;
    text-align: center;
    background: rgba(23, 24, 39, 0.9);
    border-radius: 10px;
  }

  .toast.show {
    display: block;
  }

  .privacy-entry {
    padding: 8px 16px 22px;
  }

  .privacy-modal {
    align-items: flex-end;
    padding: 14px;
    padding-bottom: calc(86px + env(safe-area-inset-bottom));
  }

  .privacy-dialog {
    height: 78vh;
    border-radius: 14px;
  }

  .privacy-close {
    top: 10px;
    right: 10px;
  }

}

@media (max-width: 420px) {
  .site-header {
    padding: 0 16px;
  }

  .hero,
  .features,
  .mobile-preview,
  .guide,
  .faq,
  .site-footer {
    padding-right: 16px;
    padding-left: 16px;
  }

  .brand {
    font-size: 19px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}