:root {
  --ink: #172126;
  --muted: #6e7c80;
  --line: #e4e9e7;
  --cream: #f7f8f4;
  --card: rgba(255, 255, 255, .88);
  --green: #1d9b73;
  --green-deep: #147c5d;
  --mint: #def4e9;
  --coral: #e96f5d;
  --shadow: 0 26px 80px rgba(38, 67, 58, .12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  min-height: 100vh;
}

button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .65; }

.page-glow { position: fixed; width: 440px; height: 440px; border-radius: 50%; filter: blur(10px); pointer-events: none; z-index: -1; }
.page-glow-one { top: -220px; right: -120px; background: rgba(157, 225, 197, .32); }
.page-glow-two { bottom: -260px; left: -150px; background: rgba(248, 213, 177, .22); }

.shell { width: min(100% - 40px, 980px); margin: 0 auto; padding: 36px 0 28px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 37px; height: 37px; border-radius: 12px 12px 12px 4px; color: white; background: var(--ink); font: 700 20px 'DM Sans', sans-serif; transform: rotate(-7deg); }
.brand-name, .brand-caption { display: block; }
.brand-name { font-size: 15px; font-weight: 800; letter-spacing: .01em; }
.brand-caption { margin-top: 1px; color: var(--muted); font-size: 11px; }
.secure-badge { display: inline-flex; align-items: center; gap: 7px; color: var(--green-deep); font-size: 12px; font-weight: 600; }
.secure-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(29, 155, 115, .12); }

.hero { padding: 92px 0 44px; max-width: 610px; }
.eyebrow, .section-kicker { color: var(--green); font: 700 11px 'DM Sans', sans-serif; letter-spacing: .16em; }
.eyebrow { display: flex; align-items: center; gap: 8px; text-transform: uppercase; }
.eyebrow span { width: 25px; height: 2px; background: var(--green); }
h1, h2, h3, p { margin: 0; }
h1 { margin-top: 17px; font-size: clamp(42px, 7vw, 70px); line-height: 1.11; letter-spacing: -.06em; font-weight: 800; }
h1 em { color: var(--green); font-style: normal; }
.hero p { max-width: 470px; margin-top: 22px; color: var(--muted); font-size: 15px; line-height: 1.9; }

.tabs { position: relative; display: flex; gap: 28px; border-bottom: 1px solid var(--line); }
.tab { position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 0 3px 15px; border: 0; color: #97a3a3; background: none; font-size: 14px; font-weight: 700; }
.tab::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--green); content: ''; opacity: 0; transform: scaleX(.4); transition: .22s; }
.tab.is-active { color: var(--ink); }
.tab.is-active::after { opacity: 1; transform: scaleX(1); }
.tab-icon { display: inline-grid; place-items: center; width: 21px; height: 21px; border-radius: 7px; color: var(--green-deep); background: var(--mint); font-size: 15px; }

.panel { padding: 37px 0 0; }
.panel[hidden] { display: none; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.panel h2 { margin-top: 9px; font-size: 26px; letter-spacing: -.04em; }
.panel-note { color: var(--muted); font-size: 12px; }
.panel-description { margin-top: 17px; color: var(--muted); font-size: 14px; line-height: 1.8; }

.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 29px; }
.mode-card { display: flex; align-items: center; gap: 13px; min-height: 82px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: rgba(255,255,255,.54); text-align: left; transition: .2s; }
.mode-card:hover { border-color: #acdcca; transform: translateY(-1px); }
.mode-card.is-active { border-color: var(--green); background: var(--mint); box-shadow: 0 8px 24px rgba(29, 155, 115, .09); }
.mode-icon { display: grid; place-items: center; flex: 0 0 auto; width: 36px; height: 36px; border-radius: 11px; color: var(--green-deep); background: white; font-size: 23px; }
.mode-card strong, .mode-card small { display: block; }
.mode-card strong { font-size: 14px; }
.mode-card small { margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.mode-check { display: none; margin-left: auto; color: var(--green-deep); font-weight: 800; }
.mode-card.is-active .mode-check { display: block; }

.info-callout { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; padding: 13px 15px; border: 1px solid #d6eee2; border-radius: 12px; background: rgba(222, 244, 233, .52); }
.info-icon { display: grid; place-items: center; flex: 0 0 auto; width: 18px; height: 18px; border: 1px solid var(--green); border-radius: 50%; color: var(--green-deep); font: 700 12px 'DM Sans', sans-serif; }
.info-callout p { color: #437064; font-size: 12px; line-height: 1.65; }

.service-form { margin-top: 26px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; }
.field > span { display: block; margin-bottom: 8px; color: #536367; font-size: 12px; font-weight: 700; }
.field b { color: var(--coral); }
.field input, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 11px; outline: 0; color: var(--ink); background: rgba(255,255,255,.75); transition: .2s; }
.field input { height: 48px; padding: 0 14px; }
.field textarea { padding: 13px 14px; resize: vertical; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: #aab4b2; }
.field input:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(29,155,115,.1); }
.field-hint { margin-top: 9px; color: #9aa5a4; font-size: 11px; }
.field-full { margin-top: 22px; }
.textarea-footer { display: flex; justify-content: space-between; margin-top: 8px; color: #9aa5a4; font-size: 11px; }
.textarea-footer #warranty-count.is-over { color: var(--coral); font-weight: 700; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; border-radius: 10px; font-weight: 700; transition: .2s; }
.primary-button { width: 100%; margin-top: 22px; border: 0; color: white; background: var(--ink); box-shadow: 0 9px 22px rgba(23,33,38,.12); }
.primary-button:hover:not(:disabled) { background: var(--green-deep); transform: translateY(-1px); box-shadow: 0 12px 25px rgba(20,124,93,.18); }
.button-symbol { color: #a8e8d1; font-size: 18px; }
.primary-button.is-busy .button-symbol { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.status { min-height: 20px; padding-top: 10px; font-size: 12px; }
.status-loading { color: var(--green-deep); }
.status-success { color: var(--green-deep); }
.status-error { color: var(--coral); }

.renewal-picker { margin-top: 22px; padding: 20px; border: 1px solid #d5e9df; border-radius: 15px; background: rgba(255,255,255,.83); box-shadow: var(--shadow); }
.picker-heading { display: flex; justify-content: space-between; gap: 10px; }
.picker-heading h3 { margin-top: 8px; font-size: 18px; }
.icon-button { width: 28px; height: 28px; border: 0; border-radius: 8px; color: var(--muted); background: #f1f4f2; font-size: 20px; line-height: 1; }
.renewal-options { display: grid; gap: 10px; margin-top: 18px; }
.renewal-option { display: flex; align-items: center; gap: 11px; padding: 13px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.renewal-option:has(input:checked) { border-color: var(--green); background: var(--mint); }
.renewal-option input { accent-color: var(--green); }
.renewal-option-copy strong, .renewal-option-copy small { display: block; }
.renewal-option-copy strong { font-size: 13px; }
.renewal-option-copy small { margin-top: 4px; color: var(--muted); font-size: 11px; }

.result-area { margin-top: 22px; }
.result-card, .empty-state { padding: 25px; border-radius: 15px; background: var(--card); box-shadow: var(--shadow); }
.result-success { border: 1px solid #ccebdd; }
.result-error { border: 1px solid #f3d8d2; }
.result-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: white; background: var(--green); font-weight: 800; }
.result-error .result-icon, .empty-state .result-icon { background: var(--coral); }
.result-card h3, .empty-state h3 { margin-top: 16px; font-size: 21px; letter-spacing: -.03em; }
.result-card > p, .empty-state > p { margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.result-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; padding-top: 17px; border-top: 1px solid var(--line); }
.result-detail strong, .result-label { display: block; }
.result-label { color: var(--muted); font-size: 11px; }
.result-detail strong { margin-top: 5px; font-size: 13px; }
.result-actions { margin-top: 20px; }
.secondary-button { padding: 0 17px; border: 1px solid var(--line); color: var(--ink); background: white; font-size: 12px; }

.warranty-result { margin-top: 24px; }
.warranty-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.summary-item { min-height: 84px; padding: 16px; background: rgba(255,255,255,.82); }
.summary-label, .record-label { display: block; color: var(--muted); font-size: 11px; }
.summary-item strong, .summary-item .badge { display: inline-block; margin-top: 9px; font-size: 13px; }
.badge { display: inline-flex; align-items: center; min-height: 23px; padding: 0 8px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.badge-success { color: #197052; background: #d9f4e7; }
.badge-warning { color: #9b6b19; background: #fff0c9; }
.badge-error { color: #b44d40; background: #ffe0db; }
.badge-neutral { color: #637175; background: #e9eeee; }
.records-heading { margin: 30px 0 12px; font-size: 16px; }
.record-list { display: grid; gap: 12px; }
.record-card { padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.78); }
.record-header, .warranty-summary-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.record-code { color: var(--ink); font: 700 12px 'DM Sans', monospace; letter-spacing: .02em; word-break: break-all; }
.record-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px 12px; margin-top: 17px; padding-top: 15px; border-top: 1px solid var(--line); }
.record-detail strong { display: block; margin-top: 5px; font-size: 12px; word-break: break-word; }
.record-note { margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line); color: #9aa5a4; font-size: 11px; }
.warranty-group { border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.75); }
.warranty-group + .warranty-group { margin-top: 9px; }
.warranty-summary-row { padding: 14px 16px; cursor: pointer; list-style: none; }
.warranty-summary-row::-webkit-details-marker { display: none; }
.warranty-group-message { padding: 0 16px 15px; color: var(--muted); font-size: 12px; }
.warranty-group-content { padding: 0 16px 16px; }
.warranty-mini-record + .warranty-mini-record { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); }
.warranty-group-content .result-details { grid-template-columns: repeat(3, 1fr); margin-top: 0; }

.site-footer { display: flex; justify-content: center; gap: 10px; margin-top: 70px; color: #a7b0ae; font-size: 11px; }
.footer-separator { color: #c7cfcc; }

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 980px); padding-top: 23px; }
  .hero { padding: 66px 0 35px; }
  .hero p { font-size: 14px; }
  .panel-heading { display: block; }
  .panel-note { display: block; margin-top: 10px; }
  .mode-switch, .field-grid { grid-template-columns: 1fr; }
  .result-details, .warranty-summary, .record-grid { grid-template-columns: 1fr 1fr; }
  .warranty-summary .summary-item:last-child { grid-column: span 2; }
  .site-footer { margin-top: 48px; flex-wrap: wrap; }
}

@media (max-width: 420px) {
  h1 { font-size: 42px; }
  .secure-badge { display: none; }
  .result-details, .record-grid { grid-template-columns: 1fr; }
  .warranty-summary { grid-template-columns: 1fr; }
  .warranty-summary .summary-item:last-child { grid-column: auto; }
}