:root { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; color: #273744; background: #e9e2d2; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 50% -10%, #f4eee2 0, #e9e2d2 55%, #e4dccb 100%); }
.page-shell { min-height: 100vh; padding: 42px 20px; display: grid; place-items: center; }
.upload-card { width: min(700px, 100%); padding: 36px 38px 25px; background: rgba(250, 247, 239, .88); border: 1px solid rgba(255,255,255,.65); border-radius: 18px; box-shadow: 0 16px 45px rgba(91, 79, 57, .12); }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.eyebrow { margin: 0 0 8px; color: #74ae8a; font-size: 11px; font-weight: 800; letter-spacing: 1.8px; }
h1 { margin: 0; font-size: clamp(28px, 5vw, 38px); letter-spacing: 0; }
.subtitle { margin: 8px 0 0; color: #8a8173; font-size: 14px; }
.expiry-mark { width: 64px; height: 64px; display: grid; place-content: center; border-radius: 50%; color: #567b68; background: #dcecdf; text-align: center; transform: rotate(6deg); }
.expiry-mark span { font-size: 26px; line-height: 25px; font-weight: 800; }.expiry-mark small { font-size: 9px; font-weight: 800; letter-spacing: 1px; }
.feature-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 26px 0 21px; padding-bottom: 23px; border-bottom: 1px dashed #d9d0bf; }
.feature-pill { padding: 7px 11px; border-radius: 7px; background: #e5f2e8; color: #5fa27b; font-size: 12px; font-weight: 700; }.pill-icon { margin-right: 5px; color: #5d9b73; }
.drop-zone { padding: 32px 18px 25px; border: 1.5px dashed #b6c2ae; border-radius: 12px; background: rgba(244, 242, 232, .74); text-align: center; cursor: pointer; transition: .2s ease; }
.drop-zone:hover, .drop-zone.is-dragging, .drop-zone:focus-visible { border-color: #78af8a; background: #eef4ea; outline: none; }
.upload-icon { width: 44px; height: 44px; margin: 0 auto 14px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #72b589; font-size: 29px; font-weight: 300; }
h2 { margin: 0; font-size: 19px; }.drop-zone p { margin: 9px 0 20px; color: #8b8478; font-size: 13px; } kbd { padding: 2px 5px; border: 1px solid #d5cdbd; border-bottom-width: 2px; border-radius: 4px; background: #faf8f2; font-size: 11px; }
button { border: 0; font: inherit; cursor: pointer; }.primary-button { padding: 12px 27px; border-radius: 8px; color: #fff; background: #7694e6; font-weight: 800; box-shadow: 0 6px 12px rgba(118,148,230,.2); }.primary-button:hover { background: #6686df; }.primary-button span { margin-right: 4px; font-size: 18px; vertical-align: -1px; }.format-note { margin: 18px 0 0 !important; color: #aba293 !important; font-size: 11px !important; }
.status { min-height: 22px; margin: 13px 2px 0; color: #c36c56; font-size: 13px; text-align: center; }.status.is-loading { color: #6e8292; }
.result { margin-top: 14px; padding: 17px; border-radius: 10px; background: #edf5ec; }.result-top { display: flex; align-items: center; gap: 8px; color: #4e7e63; font-size: 13px; }.success-dot { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #70b487; font-size: 12px; }.countdown { margin-left: auto; color: #8aa18f; font-size: 12px; }.link-row { display: flex; gap: 8px; margin-top: 12px; }.link-row input { min-width: 0; flex: 1; padding: 11px 12px; border: 1px solid #d4e2d2; border-radius: 7px; color: #5d6d68; background: #fff; font-size: 12px; }.copy-button { padding: 0 16px; border-radius: 7px; color: #fff; background: #6bb085; font-size: 12px; font-weight: 700; }.preview-row { display: flex; align-items: center; gap: 10px; margin-top: 13px; color: #809187; font-size: 12px; }.preview-row img { width: 42px; height: 42px; object-fit: cover; border-radius: 6px; background: #fff; }
footer { display: flex; justify-content: center; gap: 9px; margin-top: 24px; color: #a89f90; font-size: 11px; }.footer-separator { color: #cbc1b0; }
@media (max-width: 520px) { .page-shell { padding: 20px 13px; }.upload-card { padding: 27px 18px 21px; border-radius: 14px; }.card-heading { align-items: flex-start; }.expiry-mark { width: 52px; height: 52px; }.expiry-mark span { font-size: 21px; line-height: 20px; } h1 { font-size: 29px; }.drop-zone { padding: 28px 12px 22px; }.link-row { flex-direction: column; }.copy-button { min-height: 40px; }.result-top { align-items: flex-start; }.countdown { white-space: nowrap; } footer { flex-direction: column; align-items: center; gap: 4px; }.footer-separator { display: none; } }