:root {
  --ink: #201a18;
  --muted: #756b67;
  --paper: #fffaf7;
  --peach: #ff765f;
  --peach-dark: #e84f3d;
  --pink: #f9b7c2;
  --mint: #ccebdc;
  --yellow: #ffd78e;
  --line: rgba(59, 39, 31, .12);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: linear-gradient(180deg, #fffaf7 0%, #fff 48%, #fff9f5 100%); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.ambient { position: fixed; border-radius: 999px; filter: blur(100px); opacity: .22; pointer-events: none; z-index: -1; }
.ambient-one { width: 360px; height: 360px; background: var(--pink); top: 80px; left: -150px; }
.ambient-two { width: 420px; height: 420px; background: var(--yellow); top: 460px; right: -220px; }

.topbar { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 900; letter-spacing: -.04em; }
.brand span { color: var(--peach); }
.text-button { border: 1px solid var(--line); background: rgba(255,255,255,.65); padding: 10px 16px; border-radius: 999px; cursor: pointer; }

.hero { padding: 72px 0 20px; text-align: center; }
.friend-chip { display: inline-flex; align-items: center; gap: 9px; padding: 7px 13px 7px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.76); font-size: 13px; }
.avatar-dot { width: 26px; height: 26px; display: grid; place-items: center; background: var(--ink); color: white; border-radius: 50%; font-weight: 800; }
.eyebrow { margin: 28px 0 10px; color: var(--peach-dark); font-size: 12px; font-weight: 900; letter-spacing: .15em; }
.hero h1 { margin: 0; font-size: clamp(48px, 8.5vw, 92px); line-height: .98; letter-spacing: -.075em; }
.hero h1 em { color: var(--peach); font-style: normal; }
.hero-copy { max-width: 610px; margin: 26px auto 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; justify-content: center; gap: 12px; margin-top: 30px; }
.primary-button, .ghost-button { padding: 15px 22px; border-radius: 16px; font-weight: 800; cursor: pointer; text-decoration: none; }
.primary-button { border: 0; background: var(--ink); color: white; box-shadow: 0 12px 28px rgba(32,26,24,.17); }
.primary-button span { margin-left: 16px; }
.ghost-button { border: 1px solid var(--line); background: white; }

.sticker-stage { height: 440px; position: relative; max-width: 940px; margin: 45px auto 0; }
.floating-card { position: absolute; width: 260px; border-radius: 34px; padding: 15px 15px 18px; box-shadow: 0 24px 60px rgba(77,42,27,.16); border: 1px solid rgba(255,255,255,.75); }
.floating-card img { width: 100%; aspect-ratio: 1; object-fit: contain; display: block; }
.floating-card span { display: block; font-weight: 900; font-size: 15px; }
.card-laugh { background: #ffe4e8; left: 2%; top: 70px; transform: rotate(-7deg); }
.card-like { background: #dff4ea; left: 50%; top: 0; transform: translateX(-50%) rotate(2deg); width: 290px; z-index: 2; }
.card-work { background: #ffedc6; right: 2%; top: 85px; transform: rotate(7deg); }

.trust-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.7); }
.trust-grid { min-height: 70px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; text-align: center; color: var(--muted); font-size: 14px; }

.creator { max-width: 920px; padding: 110px 0 70px; }
.section-heading { text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 5vw, 54px); letter-spacing: -.055em; }
.section-heading > p:last-child { color: var(--muted); line-height: 1.7; }
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 36px; }
.plan { min-height: 110px; position: relative; border: 1px solid var(--line); background: white; border-radius: 24px; padding: 20px; text-align: left; display: flex; align-items: center; justify-content: space-between; cursor: pointer; transition: .2s ease; }
.plan.selected { border: 2px solid var(--ink); transform: translateY(-3px); box-shadow: 0 16px 36px rgba(44,27,21,.11); }
.plan-name, .plan-note { display: block; }
.plan-name { font-weight: 900; font-size: 18px; }
.plan-note { color: var(--muted); font-size: 13px; margin-top: 6px; }
.price { font-size: 32px; font-weight: 950; letter-spacing: -.05em; }
.price small { font-size: 15px; margin-right: 2px; }
.popular { position: absolute; right: 17px; top: -12px; border-radius: 999px; background: var(--peach); color: white; padding: 5px 10px; font-size: 11px; font-weight: 800; }
.single-picker { margin: 18px 0 0; padding: 18px; border-radius: 20px; background: #fff1ec; }
.pack-picker, .diy-picker { margin: 18px 0 0; padding: 22px; border-radius: 24px; background: #fff1ec; }
.pack-picker p, .diy-picker p { margin: 0 0 12px; }
.plan-pack { background: #fff8e8; }
.plan-diy { background: #f4f0ff; }
.diy-groups { display: grid; grid-template-columns: .75fr 1.5fr; gap: 12px; }
.diy-groups label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 700; }
.diy-groups select, .diy-groups textarea { width: 100%; border: 1px solid var(--line); border-radius: 13px; background: white; padding: 12px; color: var(--ink); font: inherit; }
.diy-groups textarea { min-height: 92px; resize: vertical; }
.picker-help { color: var(--muted); font-size: 12px; line-height: 1.6; margin-top: 12px !important; }
.single-picker p { margin: 0 0 12px; font-weight: 800; }
.mini-options { display: flex; gap: 8px; flex-wrap: wrap; }
.mini-option { border: 1px solid var(--line); background: white; border-radius: 999px; padding: 9px 12px; cursor: pointer; }
.mini-option.selected { background: var(--ink); color: white; }
.hidden { display: none !important; }

.upload-card { margin-top: 20px; padding: 24px; border: 1.5px dashed rgba(75,50,41,.24); border-radius: 28px; background: rgba(255,255,255,.75); display: flex; align-items: center; gap: 18px; }
.upload-preview { flex: 1; display: grid; grid-template-columns: 48px 1fr; column-gap: 14px; align-items: center; text-align: left; }
.upload-preview strong, .upload-preview span { grid-column: 2; }
.upload-preview span { color: var(--muted); font-size: 13px; margin-top: 5px; }
.upload-icon { grid-row: 1 / 3; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; background: #ffe8df; color: var(--peach-dark); font-size: 26px; }
.upload-preview.has-photo { grid-template-columns: 70px 1fr; }
.thumbs { grid-row: 1 / 3; display: flex; margin-right: 8px; }
.thumbs img { width: 44px; height: 58px; object-fit: cover; border-radius: 10px; border: 2px solid white; margin-left: -10px; box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.thumbs img:first-child { margin-left: 0; }
.upload-button { border: 0; background: var(--ink); color: white; border-radius: 14px; padding: 12px 16px; cursor: pointer; }
.upload-actions { display: grid; gap: 7px; min-width: 120px; }
.identity-notes { display: grid; gap: 7px; margin-top: 14px; color: var(--muted); font-size: 13px; font-weight: 800; }
.identity-notes textarea { min-height: 76px; resize: vertical; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.85); padding: 13px; color: var(--ink); font: inherit; }
.identity-notes small { font-weight: 400; line-height: 1.5; }
.sample-button { border: 1px solid var(--line); background: white; border-radius: 12px; padding: 9px 12px; color: var(--muted); font-size: 12px; cursor: pointer; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin: 18px 4px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.consent input { margin-top: 3px; accent-color: var(--peach); }
.pay-button { width: 100%; border: 0; border-radius: 19px; background: #07c160; color: white; padding: 17px 20px; display: flex; justify-content: space-between; font-weight: 900; font-size: 16px; cursor: pointer; box-shadow: 0 14px 28px rgba(7,193,96,.2); }
.pay-button:disabled { background: #c7cdc9; box-shadow: none; cursor: not-allowed; }
.fine-print { text-align: center; color: #9b918d; font-size: 11px; }

.how { padding: 70px 0 130px; }
.compact { text-align: left; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.steps article { min-height: 220px; border: 1px solid var(--line); border-radius: 26px; background: white; padding: 26px; }
.steps b { color: var(--peach); font-size: 13px; }
.steps h3 { margin: 46px 0 8px; font-size: 22px; }
.steps p { color: var(--muted); line-height: 1.65; font-size: 14px; }
.footer { padding: 28px 0 42px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }

.modal { width: min(430px, calc(100% - 30px)); border: 0; border-radius: 30px; padding: 34px; text-align: center; color: var(--ink); box-shadow: 0 30px 90px rgba(30,20,17,.32); }
.modal::backdrop { background: rgba(28,20,17,.52); backdrop-filter: blur(10px); }
.modal .eyebrow { margin-top: 8px; }
.modal h2 { margin: 6px 0 18px; font-size: 29px; letter-spacing: -.04em; }
.close { position: absolute; right: 16px; top: 14px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #f3efed; font-size: 24px; cursor: pointer; }
.qr-image { width: 210px; height: 210px; border: 10px solid white; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,.1); }
.modal-copy { color: var(--muted); line-height: 1.65; }
.wechat-mark { width: 56px; height: 56px; margin: 0 auto; display: grid; place-items: center; border-radius: 18px; background: #07c160; color: white; font-size: 28px; font-weight: 900; }
.modal-price { font-size: 52px; font-weight: 950; letter-spacing: -.06em; margin: 12px 0; }
.confirm-pay { display: block; width: 100%; border: 0; border-radius: 16px; padding: 15px; background: #07c160; color: white; font-weight: 900; cursor: pointer; text-decoration: none; }
.progress-modal { overflow: visible; }
.loader { width: 74px; height: 74px; margin: -4px auto 18px; border-radius: 50%; border: 6px solid #ffe5dc; border-top-color: var(--peach); animation: spin 1s linear infinite; }
.loader span { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
.progress-track { height: 9px; background: #f0e9e6; border-radius: 999px; overflow: hidden; margin-top: 22px; }
.progress-track span { display: block; width: 8%; height: 100%; background: linear-gradient(90deg, var(--peach), #ffb778); border-radius: inherit; transition: width .45s ease; }
.progress-percent { margin-top: 9px; color: var(--muted); font-size: 13px; }
.result-modal { width: min(600px, calc(100% - 30px)); }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
.result-item { border-radius: 18px; background: #fff3ed; padding: 9px; }
.result-item img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.result-item a { color: var(--ink); font-size: 12px; font-weight: 800; text-decoration: none; }
.download-all { margin-top: 12px; background: var(--ink); }
.result-upsell { display: grid; gap: 7px; margin-top: 16px; padding: 16px; border-radius: 18px; background: #fff1ec; text-align: left; }
.result-upsell span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.result-upsell button { border: 0; border-radius: 12px; background: var(--peach); color: white; padding: 11px; font-weight: 900; cursor: pointer; }

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 640px); }
  .topbar { height: 64px; }
  .hero { padding-top: 44px; }
  .hero h1 { font-size: 51px; }
  .hero-copy { font-size: 15px; }
  .sticker-stage { height: 370px; margin-top: 30px; }
  .floating-card { width: 49%; padding: 9px 9px 13px; border-radius: 24px; }
  .card-laugh { left: -4%; top: 105px; }
  .card-like { width: 54%; top: 10px; }
  .card-work { right: -5%; top: 122px; }
  .floating-card span { font-size: 12px; }
  .trust-grid { grid-template-columns: 1fr; padding: 15px 0; gap: 8px; }
  .creator { padding-top: 78px; }
  .plans { grid-template-columns: 1fr; }
  .diy-groups { grid-template-columns: 1fr; }
  .upload-card { align-items: stretch; flex-direction: column; }
  .upload-button { width: 100%; }
  .upload-actions { width: 100%; }
  .steps { grid-template-columns: 1fr; }
  .steps article { min-height: 160px; }
  .steps h3 { margin-top: 26px; }
  .footer { flex-direction: column; gap: 8px; }
  .result-grid { grid-template-columns: 1fr 1fr 1fr; }
  .modal { padding: 30px 22px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 43px; }
  .hero-actions { flex-direction: column; }
  .primary-button, .ghost-button { width: 100%; }
  .sticker-stage { height: 330px; }
  .creator { width: calc(100% - 24px); }
  .result-grid { grid-template-columns: 1fr; max-height: 330px; overflow: auto; }
  .result-item { display: grid; grid-template-columns: 86px 1fr; align-items: center; }
}