:root {

  --bg-1: #f4efe7;

  --bg-2: #d9e7ef;

  --bg-3: #f7f0e0;

  --ink: #16242b;

  --ink-soft: #2d3a41;

  --muted: #5a6a71;

  --accent: #e58c3f;

  --accent-2: #2a9aa3;

  --card: rgba(255, 255, 255, 0.78);

  --card-strong: rgba(255, 255, 255, 0.9);

  --stroke: rgba(15, 35, 45, 0.15);

  --shadow: 0 30px 80px rgba(9, 18, 22, 0.15);

  --shadow-soft: 0 12px 30px rgba(12, 20, 24, 0.12);

  --radius: 18px;

  --min-width: 1080px;

  --font-body: "Manrope", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --font-display: "ZCOOL XiaoWei", "Noto Serif SC", "Source Han Serif SC", "STSong", serif;

}



*,

*::before,

*::after {

  box-sizing: border-box;

}



html {

  scroll-behavior: smooth;

}



body {

  margin: 0;

  min-height: 100vh;

  background: var(--bg-1);

  color: var(--ink);

  font-family: var(--font-body);

  line-height: 1.6;

}



img {

  display: block;

  max-width: 100%;

}



a {

  color: inherit;

  text-decoration: none;

}



button,

input {

  font-family: inherit;

}



.bg {

  position: fixed;

  inset: 0;

  z-index: -2;

  overflow: hidden;

  background: radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.7), transparent 55%),

    radial-gradient(circle at 85% 15%, rgba(42, 154, 163, 0.18), transparent 55%),

    linear-gradient(135deg, var(--bg-3), var(--bg-2));

}



.bg::before,

.bg::after {

  content: "";

  position: absolute;

  inset: 0;

  pointer-events: none;

}



.bg::before {

  background: radial-gradient(circle at 25% 70%, rgba(229, 140, 63, 0.18), transparent 45%),

    radial-gradient(circle at 70% 75%, rgba(14, 42, 52, 0.12), transparent 50%);

  mix-blend-mode: multiply;

}



.bg::after {

  background: linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.15));

}



.bg-video,

.bg-image {

  position: absolute;

  inset: 0;

  width: 100%;

  height: 100%;

  object-fit: cover;

}



.bg-image {

  opacity: 0;

  transition: opacity 0.8s ease;

}



.bg-image.is-ready {

  opacity: 0.55;

}



.bg-overlay {

  position: absolute;

  inset: 0;

  background: linear-gradient(180deg, rgba(244, 239, 231, 0.7), rgba(244, 239, 231, 0.2));

  pointer-events: none;

}



.page-shell {

  width: min(1200px, 100%);

  min-width: var(--min-width);

  margin: 0 auto;

  padding: 32px 40px 80px;

  position: relative;

  z-index: 1;

}



.site-header {

  display: grid;

  grid-template-columns: 1fr auto 1fr;

  align-items: center;

  gap: 16px;

  margin-bottom: 48px;

}



.logo {

  display: flex;

  align-items: center;

  gap: 12px;

}



.logo img {

  width: 44px;

  height: 44px;

  border-radius: 14px;

  box-shadow: var(--shadow-soft);

  object-fit: cover;

}



.logo-title {

  font-family: var(--font-display);

  font-size: 1.1rem;

  letter-spacing: 0.18em;

  text-transform: uppercase;

}



.logo-sub {

  font-size: 0.75rem;

  letter-spacing: 0.2em;

  color: var(--muted);

  margin-top: -2px;

}



.center-nav {

  display: flex;

  gap: 18px;

  padding: 10px 18px;

  border-radius: 999px;

  border: 1px solid var(--stroke);

  background: var(--card);

  box-shadow: var(--shadow-soft);

  align-items: center;

  justify-content: center;

}



.center-nav--minimal {

  padding: 8px 14px;

}



.nav-link {

  border: 0;

  background: transparent;

  color: var(--ink-soft);

  font-weight: 600;

  cursor: pointer;

  font-size: 0.95rem;

}



.nav-link:hover {

  color: var(--ink);

}



.account {

  justify-self: end;

  display: inline-flex;

  align-items: center;

  gap: 12px;

  padding: 8px 14px;

  border-radius: 999px;

  border: 1px solid var(--stroke);

  background: var(--card);

  box-shadow: var(--shadow-soft);

}



.account-name {

  font-weight: 600;

  color: var(--ink-soft);

}



.account-action {

  border: 1px solid var(--ink);

  border-radius: 999px;

  padding: 6px 16px;

  background: var(--ink);

  color: #fff;

  font-weight: 600;

  cursor: pointer;

  display: inline-flex;

  align-items: center;

  justify-content: center;

  min-width: 72px;

}



.account-action:hover {

  transform: translateY(-1px);

  box-shadow: var(--shadow-soft);

}



.hero {

  display: grid;

  grid-template-columns: 1.15fr 0.85fr;

  gap: 32px;

  align-items: stretch;

  margin-bottom: 64px;

}



.hero-text {

  display: flex;

  flex-direction: column;

  gap: 18px;

  animation: rise 0.8s ease both;

}



.eyebrow {

  text-transform: uppercase;

  letter-spacing: 0.32em;

  font-size: 0.75rem;

  color: var(--muted);

}



.hero-title {

  font-family: var(--font-display);

  font-size: clamp(2.6rem, 3vw + 1.2rem, 4.6rem);

  line-height: 1.1;

}



.hero-sub {

  font-size: clamp(1rem, 0.9vw + 0.85rem, 1.3rem);

  color: var(--ink-soft);

  max-width: 560px;

}



.hero-actions {

  display: flex;

  flex-wrap: wrap;

  gap: 14px;

}



.hero-metrics {

  display: grid;

  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 12px;

}



.metric {

  padding: 12px 14px;

  border-radius: 14px;

  border: 1px solid var(--stroke);

  background: var(--card);

  box-shadow: var(--shadow-soft);

}



.metric-value {

  font-weight: 700;

  font-size: 1.3rem;

}



.metric-label {

  color: var(--muted);

  font-size: 0.85rem;

}



.hero-panel {

  display: grid;

  gap: 16px;

}



.hero-card {

  padding: 22px;

  border-radius: var(--radius);

  border: 1px solid var(--stroke);

  background: var(--card-strong);

  box-shadow: var(--shadow);

  animation: rise 0.8s ease both;

  animation-delay: 0.2s;

}



.hero-card.accent {

  background: linear-gradient(135deg, rgba(229, 140, 63, 0.2), rgba(42, 154, 163, 0.16)),

    var(--card-strong);

}



.hero-card h3 {

  font-family: var(--font-display);

  font-size: 1.4rem;

  margin-bottom: 8px;

}



.section {

  margin-bottom: 64px;

}



.section-title {

  font-family: var(--font-display);

  font-size: clamp(1.8rem, 2vw + 1rem, 2.6rem);

  margin-bottom: 10px;

}



.section-sub {

  color: var(--muted);

  max-width: 700px;

}



.grid {

  display: grid;

  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 18px;

  margin-top: 28px;

}



.feature-card {

  padding: 20px;

  border-radius: var(--radius);

  border: 1px solid var(--stroke);

  background: var(--card);

  box-shadow: var(--shadow-soft);

  animation: rise 0.7s ease both;

  animation-delay: var(--delay, 0s);

}



.feature-card h4 {

  font-size: 1.2rem;

  margin-bottom: 10px;

}



.plan-grid {

  display: grid;

  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 18px;

  margin-top: 28px;

}



.plan-card {

  position: relative;

  padding: 22px;

  border-radius: var(--radius);

  border: 1px solid var(--stroke);

  background: var(--card-strong);

  box-shadow: var(--shadow);

  animation: rise 0.7s ease both;

  animation-delay: var(--delay, 0s);

}



.plan-card h3 {

  font-family: var(--font-display);

  font-size: 1.3rem;

  margin-bottom: 8px;

}



.plan-card .badge {

  position: absolute;

  top: -12px;

  right: 18px;

  background: var(--accent);

  color: #fff;

  padding: 6px 12px;

  border-radius: 999px;

  font-size: 0.75rem;

  letter-spacing: 0.12em;

}



.plan-price {

  display: flex;

  align-items: baseline;

  gap: 6px;

  margin-bottom: 14px;

}



.plan-price .price {

  font-size: 2rem;

  font-weight: 700;

}



.plan-price .per {

  color: var(--muted);

}



.member-status {

  display: grid;

  grid-template-columns: 1.1fr 0.9fr;

  gap: 18px;

  margin-top: 24px;

}



.status-card {

  padding: 22px;

  border-radius: var(--radius);

  border: 1px solid var(--stroke);

  background: var(--card);

  box-shadow: var(--shadow-soft);

}



.status-lines {

  display: grid;

  gap: 10px;

  margin: 16px 0 22px;

}



.status-line {

  display: flex;

  justify-content: space-between;

  font-weight: 600;

  color: var(--ink-soft);

}



.status-line span:last-child {

  color: var(--ink);

}



.list {

  padding-left: 18px;

  color: var(--ink-soft);

  margin-top: 10px;

}



.list li {

  margin-bottom: 6px;

}



.btn {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  gap: 6px;

  padding: 10px 18px;

  border-radius: 999px;

  border: 1px solid transparent;

  font-weight: 600;

  cursor: pointer;

  transition: transform 0.2s ease, box-shadow 0.2s ease;

}

.btn.full {
  width: 100%;
}



.btn.primary {

  background: var(--ink);

  color: #fff;

  box-shadow: var(--shadow-soft);

}



.btn.primary:hover {

  transform: translateY(-1px);

}



.btn.ghost {

  background: rgba(255, 255, 255, 0.6);

  border-color: var(--stroke);

  color: var(--ink);

}



.btn.secondary {

  background: transparent;

  border-color: var(--ink);

  color: var(--ink);

}



.btn.link {

  padding: 0;

  border: 0;

  color: var(--accent-2);

}



.form-message {

  min-height: 20px;

  font-size: 0.9rem;

  color: var(--muted);

  overflow-wrap: anywhere;

}



.form-message.ok {

  color: #1e8a5c;

}



.form-message.error {

  color: #b64435;

}



.auth {

  display: grid;

  place-items: center;

  min-height: calc(100vh - 160px);

}



.auth-card {

  width: min(480px, 100%);

  padding: 32px;

  border-radius: var(--radius);

  border: 1px solid var(--stroke);

  background: var(--card-strong);

  box-shadow: var(--shadow);

  display: grid;

  gap: 18px;

  animation: rise 0.8s ease both;

}



.auth-card form {

  display: grid;

  gap: 14px;

  justify-items: stretch;

}



.auth-card form > * {

  width: 100%;

  max-width: 100%;

}



.auth-card form .btn {

  width: 100%;

}

.auth-extra {
  margin-top: 6px;
  display: grid;
  gap: 12px;
}

.hidden {
  display: none !important;
}



.auth-card h1 {

  font-family: var(--font-display);

  font-size: 2rem;

}



.form-row {

  display: grid;

  gap: 8px;

}



.form-row input {

  padding: 12px 14px;

  border-radius: 12px;

  border: 1.5px solid rgba(22, 36, 43, 0.35);

  background: rgba(255, 255, 255, 0.95);

  font-size: 0.95rem;

  color: var(--ink);

  width: 100%;

  max-width: 100%;

}



.form-row input:focus {

  outline: none;

  border-color: var(--accent-2);

  box-shadow: 0 0 0 3px rgba(42, 154, 163, 0.15);

}



.form-hint {

  font-size: 0.85rem;

  color: var(--muted);

  max-width: 100%;

  overflow-wrap: anywhere;

}



.site-footer {

  margin-top: 60px;

  display: flex;

  justify-content: space-between;

  align-items: center;

  color: var(--muted);

  font-size: 0.85rem;

}



@keyframes rise {

  from {

    opacity: 0;

    transform: translateY(14px);

  }

  to {

    opacity: 1;

    transform: translateY(0);

  }

}



@media (max-width: 1100px) {

  .page-shell {

    min-width: 100%;

    padding: 24px;

  }



  .site-header {

    grid-template-columns: 1fr 1fr;

    grid-template-areas:

      "logo account"

      "nav nav";

  }



  .logo {

    grid-area: logo;

  }



  .center-nav {

    grid-area: nav;

    justify-self: center;

  }



  .account {

    grid-area: account;

  }

}



@media (max-width: 900px) {

  .hero {

    grid-template-columns: 1fr;

  }



  .hero-metrics {

    grid-template-columns: repeat(2, minmax(0, 1fr));

  }



  .grid,

  .plan-grid {

    grid-template-columns: repeat(2, minmax(0, 1fr));

  }



  .member-status {

    grid-template-columns: 1fr;

  }

}



@media (max-width: 680px) {

  .center-nav {

    overflow-x: auto;

    gap: 12px;

    padding: 8px 14px;

  }



  .grid,

  .plan-grid {

    grid-template-columns: 1fr;

  }



  .hero-metrics {

    grid-template-columns: 1fr;

  }



  .site-footer {

    flex-direction: column;

    gap: 8px;

  }

}





.feature-nav {

  display: flex;

  flex-wrap: wrap;

  gap: 12px;

  margin-top: 24px;

}



.feature-block {

  display: grid;

  grid-template-columns: 1.05fr 0.95fr;

  gap: 24px;

  align-items: center;

}



.feature-copy {

  display: grid;

  gap: 14px;

}



.feature-media {

  position: relative;

}



.media-carousel {

  position: relative;

  border-radius: var(--radius);

  border: 1px solid var(--stroke);

  background: rgba(255, 255, 255, 0.7);

  box-shadow: var(--shadow);

  overflow: hidden;

  min-height: 280px;

}



.carousel-frame {

  width: 100%;

  aspect-ratio: 16 / 10;

  background: linear-gradient(135deg, rgba(22, 36, 43, 0.08), rgba(42, 154, 163, 0.12));

  display: grid;

  place-items: center;

  color: var(--muted);

  font-weight: 600;

  font-size: 0.95rem;

}



.carousel-frame img {

  width: 100%;

  height: 100%;

  object-fit: cover;

}



.carousel-dots {

  position: absolute;

  bottom: 14px;

  left: 0;

  right: 0;

  display: flex;

  justify-content: center;

  gap: 8px;

}



.carousel-dot {

  width: 10px;

  height: 10px;

  border-radius: 999px;

  border: 1px solid rgba(22, 36, 43, 0.3);

  background: rgba(255, 255, 255, 0.7);

  cursor: pointer;

}



.carousel-dot.is-active {

  background: var(--ink);

  border-color: var(--ink);

}



@media (max-width: 900px) {

  .feature-block {

    grid-template-columns: 1fr;

  }

}





.admin-panel {

  display: grid;

  gap: 16px;

}



.editor {

  display: grid;

  gap: 12px;

}



.editor textarea {

  min-height: 360px;

  padding: 14px;

  border-radius: 14px;

  border: 1px solid var(--stroke);

  background: rgba(255, 255, 255, 0.95);

  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  font-size: 0.9rem;

  line-height: 1.5;

}



.editor-actions {

  display: flex;

  flex-wrap: wrap;

  gap: 12px;

}



.is-hidden {

  display: none !important;

}





.admin-form {

  display: grid;

  gap: 18px;

}



.admin-section {

  padding: 16px;

  border-radius: 16px;

  border: 1px solid var(--stroke);

  background: rgba(255, 255, 255, 0.9);

  display: grid;

  gap: 12px;

}



.admin-section h3 {

  margin: 0;

  font-size: 1.1rem;

}



.admin-grid {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 12px;

}



.admin-grid .form-row {

  margin: 0;

}



.admin-list {

  display: grid;

  gap: 10px;

}



.admin-list-item {

  padding: 12px;

  border-radius: 12px;

  border: 1px dashed var(--stroke);

  background: rgba(255, 255, 255, 0.8);

  display: grid;

  gap: 8px;

}



.admin-actions {

  display: flex;

  flex-wrap: wrap;

  gap: 8px;

}



.admin-actions .btn {

  padding: 6px 14px;

}



.admin-textarea {

  min-height: 90px;

  padding: 10px 12px;

  border-radius: 12px;

  border: 1px solid var(--stroke);

  background: rgba(255, 255, 255, 0.95);

  font-family: inherit;

}



@media (max-width: 900px) {

  .admin-grid {

    grid-template-columns: 1fr;

  }

}



.admin-theme {

  background: #f1f3f4;

  color: #1b242a;

}



.admin-theme .bg {

  background: radial-gradient(circle at 20% 20%, rgba(42, 154, 163, 0.12), transparent 55%),

    radial-gradient(circle at 80% 10%, rgba(229, 140, 63, 0.08), transparent 60%),

    linear-gradient(135deg, #f7f7f8, #e9edf0);

}



.admin-theme .center-nav,

.admin-theme .account {

  background: rgba(255, 255, 255, 0.9);

  border-color: rgba(22, 36, 43, 0.15);

}



.admin-theme .nav-link {

  color: #1b242a;

}



.admin-theme .account-action {

  border-color: var(--accent-2);

  background: var(--accent-2);

}



.admin-layout {

  display: grid;

  grid-template-columns: 220px 1fr;

  gap: 24px;

  align-items: start;

}



.admin-sidebar {

  position: sticky;

  top: 24px;

  padding: 18px 16px;

  border-radius: 16px;

  border: 1px solid rgba(22, 36, 43, 0.15);

  background: #1e2a32;

  display: grid;

  gap: 10px;

}



.admin-sidebar-title {

  font-weight: 700;

  letter-spacing: 0.06em;

  font-size: 0.85rem;

  text-transform: uppercase;

  color: rgba(238, 242, 244, 0.75);

  margin-bottom: 6px;

}



.admin-link {

  padding: 8px 10px;

  border-radius: 10px;

  border: 1px solid transparent;

  color: #eef2f4;

  background: rgba(255, 255, 255, 0.08);

  text-align: left;

  cursor: pointer;

}



.admin-link:hover {

  border-color: rgba(255, 255, 255, 0.2);

  background: rgba(255, 255, 255, 0.16);

}



@media (max-width: 1100px) {

  .admin-layout {

    grid-template-columns: 1fr;

  }



  .admin-sidebar {

    position: static;

  }

}



.admin-theme .auth-card,

.admin-theme .admin-section {

  background: #ffffff;

  border-color: rgba(22, 36, 43, 0.12);

  color: #1b242a;

}



.admin-theme .form-row input,

.admin-theme .admin-textarea {

  background: #fff;

  border-color: rgba(22, 36, 43, 0.2);

  color: #1b242a;

}



.admin-theme .form-row input::placeholder {

  color: rgba(27, 36, 42, 0.55);

}



.admin-badge {

  border-color: rgba(229, 140, 63, 0.6);

}