:root {
  --bg: #050505;
  --bg-2: #0d0d0d;
  --card: #161616;
  --card-2: #1c1c1c;
  --line: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --muted: #a8a8a8;
  --soft: #cfcfcf;
  --gold: #d4a35a;
  --teal: #3ec7d8;
  --green: #3ecf7a;
  --grad: linear-gradient(90deg, #e8334a 0%, #ff6a3d 55%, #ff8a4a 100%);
  --radius: 16px;
  --max: 480px;
  --font: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Helvetica Neue", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
  border: none;
  cursor: pointer;
  background: none;
  color: inherit;
}

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding-bottom: 96px;
  overflow-x: hidden;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 8px;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(201, 160, 106, 0.35);
}

.brand span {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Hero */
.hero {
  position: relative;
  min-height: 72vh;
  padding: 20px 16px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.55) 42%, rgba(0, 0, 0, 0.92) 100%),
    var(--hero-bg) center/cover no-repeat;
  z-index: -1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  margin-bottom: 14px;
}

.badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(62, 207, 122, 0.2);
}

.hero h1 {
  font-size: clamp(28px, 8vw, 34px);
  line-height: 1.25;
  font-weight: 800;
  white-space: pre-line;
  margin-bottom: 12px;
}

.hero .desc {
  color: var(--soft);
  font-size: 14px;
  margin-bottom: 18px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 52px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 28px rgba(232, 51, 74, 0.35);
}

.btn-ghost {
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12px;
  color: var(--soft);
}

.section {
  padding: 28px 16px 8px;
}

.section .label {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.section h2 {
  font-size: 24px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section .desc {
  color: var(--muted);
  font-size: 14px;
}

.feature-list {
  display: grid;
  gap: 12px;
  padding: 8px 16px 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--soft);
  font-size: 14px;
}

.feature-item .ico {
  width: 22px;
  height: 22px;
  color: var(--gold);
  flex-shrink: 0;
}

.info-cards {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.info-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.info-card .ico-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #4a1a1f;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  color: #fff;
}

.info-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.info-card p {
  color: var(--muted);
  font-size: 14px;
}

.steps {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: linear-gradient(180deg, #1a1a1a, #141414);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.step .num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--teal);
  color: #041018;
  font-weight: 800;
  font-size: 13px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.step h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.step p {
  color: var(--muted);
  font-size: 13px;
}

.member-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.member {
  background: var(--card);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.member .photo {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.member .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.online {
  position: absolute;
  top: 8px;
  left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  font-size: 11px;
}

.online .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.member .body {
  padding: 10px;
}

.member .name {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
}

.member .bio {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #ddd;
}

.privacy-card,
.speak-card,
.prefer-panel {
  margin: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.privacy-card:empty,
.speak-card:empty,
.prefer-panel:empty,
.brand:empty,
.hero:empty,
.feature-list:empty,
.section:empty,
.info-cards:empty,
.prefer-hero:empty,
.site-footer:empty {
  display: none;
}

.privacy-card h3,
.speak-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.privacy-card p {
  color: var(--muted);
  font-size: 14px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.check-list li {
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--soft);
  font-size: 14px;
}

.check {
  color: var(--green);
  flex-shrink: 0;
  margin-top: 2px;
}

.prefer-hero {
  position: relative;
  margin: 8px 0 0;
  padding: 28px 16px 20px;
  isolation: isolate;
}

.prefer-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.9)),
    var(--prefer-bg) center/cover no-repeat;
  z-index: -1;
}

.prefer-hero h2 {
  font-size: 26px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.prefer-hero .desc {
  color: var(--soft);
  font-size: 14px;
  margin-bottom: 14px;
}

.prefer-panel .label {
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}

.prefer-panel h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.prefer-panel > .desc {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 16px;
}

.group {
  margin-bottom: 16px;
}

.group-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
}

.group-head .status {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}

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

.chip {
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  font-size: 14px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.chip.active {
  border-color: rgba(255, 106, 61, 0.85);
  background: rgba(255, 106, 61, 0.16);
}

.hint-box {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #121a1d;
  border-radius: 12px;
  padding: 12px;
  margin: 4px 0 14px;
  color: var(--soft);
  font-size: 13px;
}

.hint-box svg {
  color: #6ec8ff;
  flex-shrink: 0;
  margin-top: 2px;
}

.note {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 10px;
}

.site-footer {
  padding: 24px 16px 20px;
  text-align: center;
}

.site-footer .copy {
  color: #777;
  font-size: 12px;
  margin-bottom: 12px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 16px;
}

.site-footer a {
  color: #aaa;
  font-size: 13px;
}

.sticky-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: min(100%, var(--max));
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.92) 30%);
  z-index: 50;
}

.sticky-bar .btn {
  box-shadow: 0 8px 24px rgba(232, 51, 74, 0.4);
}

.hidden {
  display: none !important;
}

@media (min-width: 520px) {
  .page {
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }
}