:root {
  --bg: #f7f6f1;
  --surface: #fffefd;
  --surface-soft: #fbf7f3;
  --ink: #1e1e1d;
  --muted: #77716c;
  --line: #e7e2dc;
  --accent: #dc775d;
  --accent-strong: #c94c3c;
  --accent-soft: #fff2f0;
  --green: #4d8f68;
  --gold: #9c8346;
  --shadow: 0 24px 55px rgba(68, 57, 44, 0.08), 0 3px 10px rgba(68, 57, 44, 0.06);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100dvh;
  margin: 0;
  color: var(--ink);
  font-family:
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  background:
    radial-gradient(circle at 8% 24%, rgba(255, 255, 255, 0.85), transparent 26rem),
    linear-gradient(180deg, #faf9f5 0%, var(--bg) 46%, #f9f8f4 100%);
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 97px;
  padding: 18px clamp(22px, 3.6vw, 68px);
  border-bottom: 1px solid #ece8e1;
  background: rgba(250, 249, 245, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: clamp(21px, 1.45vw, 30px);
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff9f6;
  border-radius: 8px;
  background: linear-gradient(180deg, #de7960 0%, #d4684f 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.locale-switch {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  min-height: 56px;
  border: 1px solid #ded9d1;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 4px 18px rgba(91, 78, 60, 0.06);
}

.locale-switch a {
  display: inline-grid;
  min-width: 95px;
  min-height: 56px;
  place-items: center;
  padding: 0 24px;
  color: #68625e;
  font-size: clamp(16px, 1.25vw, 25px);
  font-weight: 520;
}

.locale-switch a.active {
  color: #fff6f2;
  background: var(--accent);
  font-weight: 730;
}

.github-link {
  display: inline-grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: #4c4a47;
}

.github-link svg {
  width: 34px;
  height: 34px;
}

main {
  width: 100%;
  margin: 0 auto;
  padding: 31px clamp(18px, 3.5vw, 68px) 64px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 0 auto 45px;
}

.trust-strip span {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  min-height: 59px;
  padding: 0 24px;
  color: #595955;
  border: 1px solid #e4dfd8;
  border-radius: 31px;
  background: rgba(255, 255, 255, 0.7);
  font-size: clamp(16px, 1.25vw, 25px);
  font-weight: 560;
  box-shadow: 0 10px 22px rgba(61, 52, 39, 0.04);
}

.trust-strip i {
  display: block;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(77, 143, 104, 0.08);
}

.panel {
  display: grid;
  grid-template-columns: minmax(200px, 0.7fr) minmax(240px, 1.3fr);
  grid-template-rows: auto auto;
  column-gap: clamp(16px, 3vw, 48px);
  row-gap: 16px;
  align-items: center;
  min-height: 420px;
  padding: clamp(24px, 2vw, 40px) clamp(20px, 4vw, 100px) 28px;
  border: 1px solid #e4dfd7;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.mascot-stage {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 240px;
}

.mascot-stage img {
  display: block;
  width: min(100%, 280px);
  max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 14px 14px rgba(72, 55, 34, 0.1));
}

.result-column {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  text-align: center;
}

.score-ring {
  --ring-size: clamp(160px, 14vw, 240px);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--ring-size);
  height: var(--ring-size);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #fff 0 57%, transparent 58%),
    conic-gradient(var(--accent-strong) calc(var(--score) * 1%), #ece9e2 0);
}

.score-ring::after {
  content: "";
  position: absolute;
  width: calc(var(--ring-size) * 0.72);
  height: calc(var(--ring-size) * 0.72);
  border-radius: 50%;
  background: var(--surface);
}

.score-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.score-inner strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(50px, 4.5vw, 80px);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: 0;
}

.score-inner span {
  margin-top: 8px;
  color: #87827d;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: clamp(16px, 1.2vw, 22px);
  font-style: italic;
  font-weight: 700;
}

.risk-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin: 18px 0 12px;
  padding: 0 24px;
  color: var(--accent-strong);
  border: 1px solid rgba(201, 76, 60, 0.22);
  border-radius: 22px;
  background: #fff2f0;
  font-size: clamp(14px, 1.2vw, 20px);
  font-weight: 760;
}

.risk-badge.medium {
  color: #8b6c20;
  border-color: rgba(156, 131, 70, 0.28);
  background: #fff9e8;
}

.risk-badge.low {
  color: #36724f;
  border-color: rgba(77, 143, 104, 0.26);
  background: #f0fbf4;
}

.risk-badge.pending {
  color: #6b6660;
  border-color: #e4dfd8;
  background: #f8f6f2;
}

h1 {
  width: min(100%, 500px);
  margin: 0 0 24px;
  color: #66615f;
  font-size: clamp(16px, 1.4vw, 26px);
  font-weight: 520;
  line-height: 1.42;
  letter-spacing: 0;
}

.rescan-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 220px;
  min-height: 56px;
  padding: 0 30px;
  color: #fff8f4;
  border: 0;
  border-radius: 28px;
  background: var(--accent);
  box-shadow: 0 10px 20px rgba(220, 119, 93, 0.28), 0 3px 0 rgba(181, 78, 56, 0.4);
  font: inherit;
  font-size: clamp(16px, 1.4vw, 22px);
  font-weight: 760;
  cursor: pointer;
  transition:
    transform 170ms ease,
    box-shadow 170ms ease,
    background-color 170ms ease;
}

.rescan-button:hover {
  transform: translateY(-2px);
  background: #df8067;
  box-shadow: 0 20px 38px rgba(220, 119, 93, 0.32), 0 4px 0 rgba(181, 78, 56, 0.38);
}

.rescan-button:active {
  transform: translateY(1px);
}

.rescan-button svg {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.signals-block {
  grid-column: 1 / -1;
  width: 100%;
  padding-top: 12px;
  text-align: center;
}

.signals-block > p {
  margin: 0 0 24px;
  color: #615d59;
  font-size: clamp(16px, 1.18vw, 22px);
  font-weight: 520;
}

.signals {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 13px;
  max-width: 1120px;
  margin: 0 auto;
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 61px;
  padding: 0 22px;
  color: #a74b4a;
  border: 1px solid rgba(201, 76, 60, 0.26);
  border-radius: 31px;
  background: #fff6f4;
  font-size: clamp(15px, 1.18vw, 24px);
  font-weight: 650;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.signal svg {
  width: 21px;
  height: 21px;
  color: currentColor;
}

.signal.gold {
  color: var(--gold);
  border-color: rgba(156, 131, 70, 0.3);
  background: #fffdf2;
}

.signal.neutral {
  color: #77716c;
  border-color: #e5ded5;
  background: #fffdfa;
}

.country-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(380px, 1.22fr);
  gap: 28px 42px;
  align-items: center;
  margin-top: 26px;
  padding: 30px clamp(28px, 4vw, 64px);
  border: 1px solid #e7e1da;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 40px rgba(72, 58, 44, 0.05);
}

.country-panel[hidden] {
  display: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 780;
}

.country-panel h2 {
  margin: 0;
  color: #34302d;
  font-size: clamp(22px, 2vw, 34px);
  line-height: 1.18;
  letter-spacing: 0;
}

.country-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.country-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  color: #625b56;
  border: 1px solid #e2ddd6;
  border-radius: 23px;
  background: #fffdfa;
  font-size: 15px;
  font-weight: 650;
}

.country-chip.active {
  color: #a14337;
  border-color: rgba(201, 76, 60, 0.3);
  background: #fff1ee;
}

@media (max-width: 980px) {
  .topbar {
    min-height: 78px;
  }

  .panel {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 38px 22px;
  }

  .mascot-stage {
    justify-content: center;
    min-height: 260px;
  }

  .mascot-stage img {
    width: min(72vw, 330px);
  }

  .country-panel {
    grid-template-columns: 1fr;
  }

  .country-grid {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 17px 18px;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .locale-switch {
    min-height: 46px;
  }

  .locale-switch a {
    min-width: 78px;
    min-height: 46px;
    padding: 0 15px;
  }

  main {
    padding: 22px 14px 40px;
  }

  .trust-strip {
    justify-content: flex-start;
    margin-bottom: 22px;
  }

  .trust-strip span,
  .signal {
    min-height: 48px;
  }

  .score-ring {
    --ring-size: min(55vw, 180px);
  }

  .risk-badge {
    min-height: 40px;
    margin-top: 16px;
  }

  .rescan-button {
    width: min(100%, 220px);
    min-width: 0;
    min-height: 52px;
  }

  .server-panel {
    grid-template-columns: 1fr;
  }

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

/* ─── Server-side IP panel ──────────────────────────────────────────────── */

.server-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 26px;
  padding: 30px clamp(28px, 4vw, 64px);
  border: 1px solid #e7e1da;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 40px rgba(72, 58, 44, 0.05);
}

.server-panel-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.server-panel-header h2 {
  margin: 0;
  color: #34302d;
  font-size: clamp(20px, 1.8vw, 30px);
  line-height: 1.2;
}

.server-panel-subtitle {
  color: var(--muted);
  font-size: clamp(14px, 1.1vw, 18px);
}

.server-detail {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.server-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px 18px;
  border: 1px solid #e4dfd8;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
}

.server-icon {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}

.server-icon svg {
  width: 22px;
  height: 22px;
}

.server-label {
  color: var(--muted);
  font-size: clamp(13px, 1vw, 16px);
  font-weight: 520;
  white-space: nowrap;
}

.server-value {
  margin-left: auto;
  color: var(--ink);
  font-size: clamp(14px, 1.05vw, 18px);
  font-weight: 620;
  text-align: right;
}

.server-value.muted {
  color: var(--muted);
  font-weight: 500;
}

.server-value.warn {
  color: var(--accent-strong);
}

.server-value.ok {
  color: var(--green);
}

/* ─── Match badge (cross-validation) ────────────────────────────────────── */

.match-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 26px;
  font-size: clamp(14px, 1.1vw, 19px);
  font-weight: 620;
  text-align: center;
  margin: 8px auto 0;
  width: fit-content;
}

.match-badge[hidden] {
  display: none;
}

.match-badge.match-ok {
  color: #36724f;
  border: 1px solid rgba(77, 143, 104, 0.26);
  background: #f0fbf4;
}

.match-badge.match-warn {
  color: #8b6c20;
  border: 1px solid rgba(156, 131, 70, 0.28);
  background: #fff9e8;
}

.match-badge.match-mismatch {
  color: var(--accent-strong);
  border: 1px solid rgba(201, 76, 60, 0.22);
  background: #fff2f0;
}

/* ─── Signals explanation panel ─────────────────────────────────────────── */

.signals-explain {
  margin-top: 26px;
  padding: 30px clamp(28px, 4vw, 64px);
  border: 1px solid #e7e1da;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 40px rgba(72, 58, 44, 0.05);
}

.signals-explain h2 {
  margin: 0 0 6px;
  color: #34302d;
  font-size: clamp(20px, 1.8vw, 30px);
}

.signals-explain-sub {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(14px, 1.1vw, 18px);
}

.signal-card-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.signal-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid #e4dfd8;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
}

.signal-card-icon {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--accent);
  flex-shrink: 0;
}

.signal-card-icon svg {
  width: 26px;
  height: 26px;
}

.signal-card-left {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.signal-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.signal-card-name {
  font-weight: 650;
  font-size: clamp(14px, 1.05vw, 17px);
  color: var(--ink);
}

.signal-card-weight {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 8px;
  white-space: nowrap;
}

.signal-card-badge {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--accent-strong);
  padding: 2px 8px;
  border-radius: 8px;
  white-space: nowrap;
}

.signal-card-desc {
  color: var(--muted);
  font-size: clamp(12px, 0.95vw, 14px);
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.signal-card-value {
  font-weight: 700;
  font-size: 16px;
  color: var(--accent-strong);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ─── Principle panel ───────────────────────────────────────────────────── */

.principle-panel {
  margin-top: 26px;
  padding: 30px clamp(28px, 4vw, 64px);
  border: 1px solid #e7e1da;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 40px rgba(72, 58, 44, 0.05);
}

.principle-panel h2 {
  margin: 0 0 18px;
  color: #34302d;
  font-size: clamp(20px, 1.8vw, 30px);
}

.principle-content p {
  margin: 0 0 14px;
  color: #4a4744;
  font-size: clamp(14px, 1.05vw, 17px);
  line-height: 1.7;
}

.principle-content code {
  background: #f0ede8;
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.92em;
}

.principle-content strong {
  color: var(--ink);
}

/* ─── FAQ panel ─────────────────────────────────────────────────────────── */

.faq-panel {
  margin-top: 26px;
  padding: 30px clamp(28px, 4vw, 64px);
  border: 1px solid #e7e1da;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 40px rgba(72, 58, 44, 0.05);
}

.faq-panel h2 {
  margin: 0 0 20px;
  color: #34302d;
  font-size: clamp(20px, 1.8vw, 30px);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid #e4dfd8;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 620;
  font-size: clamp(15px, 1.1vw, 18px);
  color: var(--ink);
  list-style: none;
}

.faq-item summary::before {
  content: "▸ ";
  color: var(--accent);
}

.faq-item[open] summary::before {
  content: "▾ ";
}

.faq-item p {
  margin: 0;
  padding: 0 20px 16px;
  color: #5a5652;
  font-size: clamp(13px, 1vw, 16px);
  line-height: 1.65;
}

/* ─── Privacy panel ─────────────────────────────────────────────────────── */

.privacy-panel {
  margin-top: 26px;
  padding: 22px clamp(28px, 4vw, 40px);
  border: 1px solid rgba(77, 143, 104, 0.2);
  border-radius: 16px;
  background: #f0fbf4;
}

.privacy-panel p {
  margin: 0;
  color: #36724f;
  font-size: clamp(13px, 1vw, 16px);
  line-height: 1.6;
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 980px) {
  .signal-card-grid {
    grid-template-columns: 1fr;
  }
}