:root {
  --bg: #07111f;
  --bg-soft: #0d1b31;
  --card: rgba(255, 255, 255, 0.08);
  --card-strong: rgba(255, 255, 255, 0.13);
  --text: #f6f9ff;
  --muted: #aab8d3;
  --line: rgba(255, 255, 255, 0.16);
  --gold: #ffd37a;
  --cyan: #75f7ff;
  --violet: #a58bff;
  --danger: #ffb4a8;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(117, 247, 255, 0.18), transparent 26%),
    radial-gradient(circle at 88% 18%, rgba(165, 139, 255, 0.22), transparent 28%),
    radial-gradient(circle at 60% 78%, rgba(255, 211, 122, 0.10), transparent 28%),
    linear-gradient(145deg, #06101f 0%, #0b1730 44%, #050913 100%);
  line-height: 1.75;
}

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

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}
.page-bg::before,
.page-bg::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(38px);
  opacity: 0.18;
}
.page-bg::before { left: -120px; top: 12%; background: var(--cyan); }
.page-bg::after { right: -120px; bottom: 10%; background: var(--violet); }

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 30px;
  padding: 28px 0 46px;
}

.hero-copy,
.glass-card,
.proof-card,
.notice-card,
.fee-card,
.qr-panel,
.faq-item,
.list-card {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255,255,255,0.11), rgba(255,255,255,0.055));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy {
  padding: 26px;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.hero-copy::after {
  content: "星潮圈";
  position: absolute;
  right: -22px;
  bottom: -38px;
  font-size: clamp(70px, 13vw, 150px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.08em;
  color: rgba(255,255,255,0.035);
  pointer-events: none;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(117, 247, 255, 0.32);
  border-radius: 999px;
  color: #dffcff;
  background: rgba(117, 247, 255, 0.08);
  font-size: 13px;
  line-height: 1.4;
}
.kicker::before {
  content: "✦";
  color: var(--gold);
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 22px 0 18px;
  font-size: clamp(34px, 7vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.055em;
}
.hero-subtitle {
  color: #d9e3f8;
  font-size: clamp(16px, 2.2vw, 20px);
  margin-bottom: 22px;
}
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.badge-row li {
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.14);
  color: #ecf3ff;
  font-size: 13px;
}

.notice-card {
  margin-top: 24px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,211,122,0.15), rgba(255,255,255,0.055));
}
.notice-card h3 {
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 18px;
}
.notice-card p { color: #f2ead5; margin: 0; }

.hero-visual {
  min-width: 0;
}
.collage-card {
  margin: 0;
  padding: 12px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(117, 247, 255, 0.18), rgba(165, 139, 255, 0.10)),
    rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: var(--shadow);
  transform: rotate(0deg);
}
.collage-card img {
  width: 100%;
  border-radius: 23px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: rgba(255,255,255,0.07);
}
.collage-card figcaption {
  padding: 12px 6px 2px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.section {
  margin-top: 28px;
  padding: 34px 0;
}
.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}
.section-heading .eyebrow {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.section-heading h2 {
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.035em;
  margin: 0;
}
.section-heading p {
  max-width: 820px;
  color: var(--muted);
  margin: 0;
}

.glass-card {
  border-radius: var(--radius-xl);
  padding: 24px;
}
.letter p {
  color: #dce6f8;
  margin-bottom: 16px;
}
.letter p:last-child { margin-bottom: 0; }

.proof-grid {
  display: grid;
  gap: 18px;
}
.proof-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.proof-card__image {
  position: relative;
  background: rgba(255,255,255,0.05);
}
.proof-card__image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.proof-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: rgba(7,17,31,0.74);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--gold);
  font-weight: 800;
}
.proof-card__body {
  padding: 20px;
}
.proof-card__body h3 {
  margin-bottom: 4px;
  font-size: 23px;
}
.proof-card__body .sub {
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 14px;
}
.proof-card__body p {
  margin-bottom: 0;
  color: #d4e0f6;
}

.split-grid {
  display: grid;
  gap: 18px;
}
.fee-card {
  border-radius: var(--radius-xl);
  padding: 24px;
  background: linear-gradient(135deg, rgba(255,211,122,0.17), rgba(255,255,255,0.055));
}
.fee-card h2 { margin-bottom: 12px; }
.fee-card p { margin: 0; color: #f4ead1; }

.rules-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.rules-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  color: #dce6f8;
}
.rules-list li::before {
  content: "✓";
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(117, 247, 255, 0.11);
  color: var(--cyan);
  border: 1px solid rgba(117, 247, 255, 0.28);
  font-size: 14px;
  line-height: 1;
}

.list-card {
  border-radius: var(--radius-xl);
  padding: 22px;
}
.list-card h3 {
  font-size: 22px;
  margin-bottom: 14px;
}
.list-card ul {
  margin: 0;
  padding-left: 20px;
  color: #dce6f8;
}
.list-card li { margin: 8px 0; }
.list-card.negative {
  background: linear-gradient(135deg, rgba(255,180,168,0.13), rgba(255,255,255,0.055));
}
.list-card.negative h3 { color: var(--danger); }
.list-card.positive h3 { color: var(--cyan); }

.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  border-radius: var(--radius-lg);
  padding: 20px;
}
.faq-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #fff;
}
.faq-item p {
  margin: 0;
  color: var(--muted);
}

.qr-panel {
  border-radius: var(--radius-xl);
  padding: 24px;
  display: grid;
  gap: 20px;
  align-items: center;
  background: linear-gradient(135deg, rgba(117, 247, 255, 0.14), rgba(165, 139, 255, 0.10));
}
.qr-panel h2 { margin-bottom: 10px; }
.qr-panel p { color: #dce6f8; margin-bottom: 0; }
.qr-box {
  justify-self: center;
  width: min(260px, 80vw);
  padding: 14px;
  border-radius: 26px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 22px 55px rgba(0,0,0,0.22);
}
.qr-box img {
  border-radius: 16px;
  width: 100%;
}
.footer {
  padding: 16px 0 0;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  text-align: center;
}

.admin-shell {
  width: min(1040px, calc(100% - 28px));
  margin: 0 auto;
  padding: 32px 0 70px;
}
.admin-top {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.admin-top h1 { font-size: clamp(28px, 5vw, 44px); margin: 0; }
.form-card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}
.form-grid {
  display: grid;
  gap: 14px;
}
.form-grid.two { grid-template-columns: 1fr; }
label { display: grid; gap: 7px; color: #e9f1ff; font-weight: 700; }
input[type="text"], input[type="password"], textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 14px;
  background: rgba(0,0,0,0.24);
  color: #fff;
  padding: 12px 13px;
  font: inherit;
  outline: none;
}
textarea { min-height: 110px; resize: vertical; }
input[type="file"] { color: var(--muted); }
.help { color: var(--muted); font-size: 13px; font-weight: 400; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
button, .admin-link {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #06101f;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.admin-link.secondary, button.secondary {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
}
.message {
  padding: 12px 14px;
  border-radius: 15px;
  background: rgba(117, 247, 255, 0.12);
  border: 1px solid rgba(117, 247, 255, 0.28);
  color: #ddfeff;
}
.current-image {
  width: 120px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.08);
}
.block-title {
  color: var(--gold);
  margin: 0 0 14px;
}

@media (min-width: 760px) {
  .site-shell { width: min(1180px, calc(100% - 56px)); padding-top: 46px; }
  .hero { grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr); gap: 42px; }
  .hero-copy { padding: 34px; }
  .collage-card { transform: rotate(1.2deg); }
  .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .qr-panel { grid-template-columns: 1fr 290px; padding: 30px; }
  .form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1060px) {
  .proof-card { display: grid; grid-template-columns: 1.05fr 0.95fr; }
  .proof-card:nth-child(even) .proof-card__image { order: 2; }
  .proof-card__image img { height: 100%; min-height: 310px; }
}

@media (max-width: 480px) {
  .site-shell { width: min(100% - 22px, 1180px); padding-top: 18px; }
  .hero { min-height: auto; padding-top: 10px; }
  .hero-copy, .glass-card, .fee-card, .qr-panel, .list-card { padding: 18px; border-radius: 22px; }
  .badge-row li { font-size: 12px; }
  .section { padding: 22px 0; }
}
/* V4 Payment Mobile CTA */
.join-panel {
  display: grid;
  gap: 22px;
  border: 1px solid rgba(117, 247, 255, 0.26);
  background:
    radial-gradient(circle at 12% 18%, rgba(117,247,255,.22), transparent 34%),
    radial-gradient(circle at 86% 88%, rgba(167,139,250,.30), transparent 38%),
    rgba(255,255,255,0.085);
  border-radius: 32px;
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.join-panel::after {
  content: "";
  position: absolute;
  inset: auto -40px -90px auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(117, 247, 255, 0.08);
  filter: blur(4px);
  pointer-events: none;
}
.join-copy,
.join-actions { position: relative; z-index: 1; }
.join-copy h2 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 7vw, 48px);
  letter-spacing: -0.04em;
}
.join-copy p,
.modal-help,
.join-help { color: var(--muted); line-height: 1.8; }
.join-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.13);
  color: #dcecff;
}
.join-meta strong { color: var(--gold); font-size: 20px; }
.join-actions {
  display: grid;
  gap: 12px;
  align-content: center;
}
.join-primary,
.join-query {
  min-height: 54px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 0;
  font: inherit;
  cursor: pointer;
  font-weight: 900;
}
.join-primary {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #06101f;
  box-shadow: 0 18px 40px rgba(117,247,255,.17);
}
.join-primary.is-disabled { opacity: .55; cursor: not-allowed; }
.join-query {
  background: rgba(255,255,255,0.10);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
}
.join-help { margin: 0; font-size: 13px; text-align: center; }
[hidden] { display: none !important; }
.order-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: end center;
  padding: 16px;
}
.order-modal__mask {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(10px);
}
.order-modal__panel {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
  max-height: min(86vh, 720px);
  overflow: auto;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.17);
  background: linear-gradient(145deg, rgba(16,25,42,.98), rgba(20,26,52,.98));
  box-shadow: 0 30px 90px rgba(0,0,0,.42);
  padding: 22px;
}
.order-modal__panel h2 { margin: 10px 0; font-size: 24px; }
.order-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
  font-size: 26px;
  line-height: 1;
}
.order-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin: 16px 0;
}
.order-search input {
  min-width: 0;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 16px;
  background: rgba(0,0,0,0.24);
  color: #fff;
  padding: 13px 14px;
  font: inherit;
  outline: none;
}
.order-search button {
  border-radius: 16px;
  padding: 0 18px;
}
.recent-box {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.055);
  border-radius: 20px;
  padding: 14px;
  margin-bottom: 14px;
}
.recent-title { color: #fff; font-weight: 900; margin-bottom: 10px; }
.order-result {
  color: #dbeafe;
  line-height: 1.75;
  font-size: 14px;
}
.order-card {
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(0,0,0,.18);
  border-radius: 16px;
  padding: 12px;
  margin: 10px 0;
}
.order-card strong { color: #fff; }
.order-card small { color: var(--muted); display: block; margin-top: 4px; }
.order-card button,
.order-card a,
.delivery-link {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(117,247,255,.14);
  border: 1px solid rgba(117,247,255,.30);
  color: #dffeff;
  text-decoration: none;
  font-weight: 800;
}
.delivery-preview {
  display: grid;
  gap: 12px;
  justify-items: center;
  text-align: center;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}
.delivery-preview img {
  width: min(260px, 74vw);
  border-radius: 20px;
  background: #fff;
  padding: 10px;
}
.status-paid { color: #86efac; font-weight: 900; }
.status-pending { color: #fde68a; font-weight: 900; }
.status-fail { color: #fecaca; font-weight: 900; }

@media (min-width: 760px) {
  .join-panel { grid-template-columns: 1fr 310px; padding: 30px; }
  .order-modal { place-items: center; }
}

@media (max-width: 480px) {
  .join-panel { border-radius: 24px; padding: 18px; }
  .join-primary, .join-query { min-height: 56px; font-size: 16px; }
  .order-modal { padding: 10px; }
  .order-modal__panel { border-radius: 24px 24px 18px 18px; padding: 18px; }
  .order-search { grid-template-columns: 1fr; }
  .order-search button { min-height: 46px; }
}

/* Delivery page */
.delivery-shell {
  width: min(760px, calc(100% - 28px));
  margin: 0 auto;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 0;
}
.delivery-card {
  width: 100%;
  border: 1px solid rgba(117, 247, 255, 0.22);
  background:
    radial-gradient(circle at 10% 10%, rgba(117,247,255,.20), transparent 34%),
    radial-gradient(circle at 90% 100%, rgba(167,139,250,.24), transparent 36%),
    rgba(255,255,255,0.085);
  border-radius: 30px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.delivery-card h1 {
  margin: 10px 0 12px;
  font-size: clamp(30px, 8vw, 48px);
  letter-spacing: -0.04em;
}
.back-home {
  color: #dffeff;
  text-decoration: none;
  font-weight: 800;
  display: inline-flex;
  margin-bottom: 14px;
}
@media (max-width: 480px) {
  .delivery-shell { width: min(100% - 20px, 760px); padding: 16px 0; place-items: start center; }
  .delivery-card { border-radius: 24px; padding: 18px; }
}

select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 14px;
  background: rgba(0,0,0,0.24);
  color: #fff;
  padding: 12px 13px;
  font: inherit;
  outline: none;
}
option { color: #0b1220; }

/* V4 Payment Mobile CTA - balanced button proportions */
.join-panel .join-meta {
  max-width: 100%;
}
.join-panel .join-actions {
  width: 100%;
  display: grid;
  gap: 10px;
}
.join-panel .join-primary,
.join-panel button.join-primary {
  width: 100%;
  min-height: 66px;
  padding: 14px 20px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  line-height: 1.1;
  text-align: center;
  text-decoration: none !important;
  background: linear-gradient(135deg, var(--cyan) 0%, #8bd7ff 42%, var(--violet) 100%);
  color: #06101f !important;
  box-shadow: 0 18px 42px rgba(117,247,255,.22), inset 0 1px 0 rgba(255,255,255,.42);
  border: 1px solid rgba(255,255,255,.22);
  -webkit-tap-highlight-color: transparent;
}
.join-primary__main {
  font-size: 20px;
  font-weight: 950;
  letter-spacing: .02em;
}
.join-primary__price {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(6,16,31,.13);
  font-size: 17px;
  font-weight: 950;
  white-space: nowrap;
}
.join-panel .join-query {
  width: 100%;
  min-height: 50px;
  padding: 8px 14px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  line-height: 1.2;
  background: rgba(255,255,255,0.085);
  color: #f6f9ff;
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.join-panel .join-query span {
  font-size: 15px;
  font-weight: 900;
}
.join-panel .join-query small {
  display: block;
  font-size: 11px;
  font-weight: 650;
  color: var(--muted);
}
.join-panel .join-help {
  max-width: 320px;
  margin: 2px auto 0;
  font-size: 12px;
  line-height: 1.65;
  color: rgba(218,227,248,.72);
}

@media (max-width: 480px) {
  .join-panel {
    gap: 18px;
    padding: 20px;
    border-radius: 26px;
  }
  .join-copy h2 {
    margin-bottom: 14px;
    font-size: clamp(30px, 8.8vw, 40px);
    line-height: 1.18;
  }
  .join-copy p {
    margin-bottom: 14px;
    font-size: 15px;
    line-height: 1.85;
  }
  .join-panel .join-meta {
    width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 18px;
  }
  .join-meta strong {
    font-size: 22px;
    line-height: 1;
  }
  .join-panel .join-primary,
  .join-panel button.join-primary {
    min-height: 64px;
    border-radius: 20px;
    padding: 13px 16px;
  }
  .join-primary__main {
    font-size: 19px;
  }
  .join-primary__price {
    font-size: 16px;
    min-height: 28px;
    padding: 0 9px;
  }
  .join-panel .join-query {
    min-height: 48px;
    border-radius: 17px;
  }
}