:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #172033;
  --muted: #617086;
  --line: #dfe6ef;
  --blue: #2d5bff;
  --teal: #0f9f8f;
  --amber: #b7791f;
  --red: #c2413b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}
button:disabled { cursor: not-allowed; opacity: .55; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 20px;
  align-items: center;
  min-height: 68px;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 700;
}

.brand-logo {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: white;
  background: var(--blue);
}

.nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.nav-btn,
.tab,
.nav-link {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 9px 14px;
  color: var(--muted);
  background: transparent;
  text-decoration: none;
  white-space: nowrap;
}

.nav-btn.active,
.tab.active {
  color: var(--ink);
  border-color: var(--line);
  background: #eef3ff;
}

.session {
  min-width: 180px;
  text-align: right;
  color: var(--muted);
  font-size: 14px;
}

.session button {
  margin-left: 10px;
}

.nav-search { display: flex; gap: 6px; align-items: center; }
.nav-search input { width: 150px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; }
.nav-search button { padding: 8px 11px; border: 0; border-radius: 6px; color: #fff; background: var(--ink); }

.hero { min-height: 360px; display: grid; align-items: end; margin: -30px -24px 28px; padding: 48px; color: #fff; background: linear-gradient(90deg, rgba(12, 18, 28, .78), rgba(12, 18, 28, .12)), url("https://images.unsplash.com/photo-1515886657613-9f3515b0c78f?auto=format&fit=crop&w=1800&q=85") center/cover; }
.hero-copy { max-width: 650px; }
.hero h1 { margin: 8px 0 12px; font-size: 54px; line-height: 1.08; }
.hero p:not(.eyebrow) { font-size: 18px; }
.preview-section { display: grid; gap: 24px; margin-bottom: 32px; }
.preview-group { padding: 22px 0; border-bottom: 1px solid var(--line); }
.preview-group .section-head { margin-bottom: 14px; }
.preview-group a { color: var(--blue); text-decoration: none; }
.preview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.preview-card { display: grid; gap: 8px; padding: 0; border: 0; text-align: left; color: var(--ink); background: transparent; }
.preview-card .thumb { width: 100%; height: 150px; }
.preview-card small { color: var(--muted); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.preview-card strong { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.preview-card .thumb { border: 1px solid var(--line); box-shadow: 0 6px 16px rgba(34, 55, 92, .08); }
.site-footer { padding: 28px 24px; color: var(--muted); text-align: center; font-size: 13px; background: #eaf0f6; }
.site-footer p { margin: 5px 0; }
.link-button { padding: 0; border: 0; color: var(--red); background: transparent; }

.carousel { position: relative; min-height: 410px; display: grid; align-items: end; overflow: hidden; margin: -30px -24px 34px; padding: 52px; color: #fff; background-position: center; background-size: cover; }
.carousel-copy { max-width: 620px; }
.carousel-copy h2 { margin: 8px 0 12px; font-size: 46px; line-height: 1.12; }
.carousel-copy p { font-size: 18px; }
.carousel-arrow { position: absolute; top: 50%; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; color: #fff; font-size: 30px; line-height: 1; background: rgba(0,0,0,.28); transform: translateY(-50%); }
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; right: 28px; bottom: 24px; display: flex; gap: 8px; }
.carousel-dots button { width: 9px; height: 9px; padding: 0; border: 1px solid #fff; border-radius: 50%; background: transparent; }
.carousel-dots button.active { background: #fff; }
.home-intro, .page-heading { max-width: 760px; margin: 36px 0 28px; }
.home-intro > p:last-child, .page-heading > p:last-child, .page-banner p { color: var(--muted); font-size: 17px; line-height: 1.7; }
.page-banner { min-height: 300px; display: grid; align-items: end; margin: -30px -24px 32px; padding: 44px 48px; color: #fff; background-color: #263143; background-position: center; background-size: cover; }
.page-banner > div { max-width: 680px; }
.page-banner p { color: rgba(255,255,255,.86); }
.checkin-panel { display: grid; justify-items: center; gap: 18px; max-width: 620px; margin: 50px auto; border: 1px solid var(--line); border-radius: 8px; padding: 52px 24px; text-align: center; background: #fff; }
.checkin-panel strong { font-size: 26px; }
.page-config-list, .carousel-config-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 16px 0 22px; }
.page-config-item { display: grid; gap: 12px; min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.page-config-item legend { padding: 0 6px; font-weight: 700; }
.page-config-item textarea { min-height: 76px; }

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 24px 64px;
}

.search-band {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 22px;
}

.search,
.form-grid,
.auth-form {
  display: grid;
  gap: 12px;
}
.password-field { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.password-toggle { padding: 10px 12px; color: var(--blue); background: #eef4fb; border: 1px solid var(--line); }

.search {
  grid-template-columns: 1fr 160px 92px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  background: white;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button[type="submit"],
.primary,
.resource-actions button:first-child {
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  color: white;
  background: var(--blue);
}

.ghost,
.resource-actions button,
.session button,
.admin-actions button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--ink);
  background: white;
}

button.danger,
.ghost.danger,
.admin-actions button.danger {
  color: var(--red);
  border-color: #f2c7c3;
  background: #fff7f7;
}

.view {
  display: none;
}

.view.active,
.auth-form.active {
  display: block;
}

.admin-page .shell {
  max-width: 1280px;
}

.admin-panel {
  display: block;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.metric,
.detail-panel,
.auth-panel,
.profile-panel,
.form-grid,
.admin-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.metric {
  padding: 18px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 26px;
}

.metric span,
.section-head span,
.muted {
  color: var(--muted);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin: 16px 0;
}

.section-head > * {
  min-width: 0;
}

.section-head span {
  overflow-wrap: anywhere;
  text-align: right;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.resource-list-page { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.resource-list-page .resource-card { grid-template-columns: 1fr; }
.resource-list-page .resource-card-image { width: 100%; }
.resource-list-page .resource-card-image .thumb { width: 100%; height: 220px; }
.resource-list-page .resource-card-image .image-thumb img { object-fit: contain; }

.resource-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: white;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.resource-card:hover {
  border-color: #b9c8e8;
  box-shadow: 0 10px 24px rgba(34, 55, 92, .10);
  transform: translateY(-2px);
}

.thumb {
  display: grid;
  place-items: center;
  width: 92px;
  height: 120px;
  border-radius: 8px;
  color: white;
  font-weight: 800;
  background: #2c7a7b;
}

.thumb.pdf {
  background: var(--red);
}

.thumb.zip {
  background: var(--amber);
}

.thumb.md {
  background: #4a5568;
}

.thumb.image-thumb { overflow: hidden; padding: 0; background: #e8edf3; }
.thumb.image-thumb img { width: 100%; height: 100%; display: block; object-fit: cover; }
.admin-publish-form { margin-top: 16px; }
.admin-publish-form[aria-busy="true"] { opacity: .82; }
.upload-status { min-height: 22px; margin: 0; color: var(--blue); font-size: 14px; line-height: 1.5; }
.upload-status.error { color: var(--red); }
.upload-success { margin: 12px 0 16px; border: 1px solid #8fd1c3; border-radius: 8px; padding: 12px 14px; color: #0f766e; background: #effaf7; }
#resourceManagementSection { scroll-margin-top: 86px; }
.back-link { margin: 0 0 18px; border: 0; padding: 8px 0; color: var(--blue); background: transparent; }
.resource-detail-page { max-width: 900px; margin: 0 auto; border: 1px solid var(--line); border-radius: 8px; padding: 28px; background: #fff; }
.resource-detail-page > .thumb { width: 100%; height: 420px; margin-bottom: 24px; }
.resource-detail-page > .thumb.image-thumb img { object-fit: contain; }
.resource-gallery { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; margin: 0 0 24px; }
.resource-gallery img { display: block; width: 100%; height: auto; border-radius: 8px; object-fit: contain; background: #edf1f5; }
.netdisk-access { display: grid; gap: 10px; margin: 22px 0; border: 1px dashed #aab6c7; border-radius: 8px; padding: 18px; background: #f6f8fb; }
.netdisk-access p { margin: 0; color: var(--muted); }
.netdisk-access.unlocked { border-style: solid; border-color: #8fd1c3; background: #effaf7; }
.netdisk-access a { overflow-wrap: anywhere; color: var(--blue); }
.netdisk-access button { justify-self: start; }
.netdisk-links { display: flex; align-items: center; gap: 10px; min-width: 0; }
.netdisk-links a { min-width: 0; }
.netdisk-instructions { border-top: 1px solid #cde8df; padding-top: 10px; }
.netdisk-instructions p { white-space: normal; line-height: 1.6; }

.resource-card-image { display: block; min-width: 0; padding: 0; border: 0; text-align: left; background: transparent; }
.resource-card-image .thumb { width: 100%; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 14px; margin: 24px 0 8px; }
.pagination:empty { display: none; }
.pagination span { color: var(--muted); font-size: 14px; }
.admin-search-form { display: flex; gap: 10px; margin: 14px 0; }
.admin-search-form input { flex: 1; min-width: 0; }

.resource-card h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.resource-card p {
  min-height: 42px;
  margin-bottom: 12px;
  color: var(--muted);
  line-height: 1.45;
}

.resource-list-page .resource-card p { display: none; }
.character-count { justify-self: end; color: var(--muted); font-size: 12px; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.pill {
  border-radius: 999px;
  padding: 4px 8px;
  color: #243147;
  background: #eef2f7;
}

.price {
  color: var(--amber);
  font-weight: 700;
}

.resource-actions,
.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(100px, auto);
  gap: 10px;
  align-items: center;
  margin: 12px 0;
}

.admin-block .inline-form {
  grid-template-columns: minmax(180px, 1.3fr) 120px minmax(160px, 1fr) 92px;
}

.recharge-form {
  grid-template-columns: minmax(150px, 1fr) 140px 100px;
}

.detail-panel {
  position: sticky;
  top: 86px;
  min-height: 300px;
  padding: 20px;
}

.detail-panel .thumb {
  width: 100%;
  height: 160px;
  margin-bottom: 16px;
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 20px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
}

.span-2 {
  grid-column: span 2;
}

.account-layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.account-layout.is-authenticated {
  grid-template-columns: minmax(0, 1fr);
}

.auth-panel,
.profile-panel,
.admin-block {
  padding: 18px;
  min-width: 0;
}

.profile-hero { display: flex; justify-content: space-between; align-items: center; gap: 18px; min-width: 0; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.profile-hero > div { min-width: 0; }
.profile-hero h2 { margin: 0 0 4px; font-size: 24px; }
.profile-hero p:not(.eyebrow) { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.account-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0 22px; }
.account-stats div { min-width: 0; padding: 14px; border-radius: 8px; background: #f5f8ff; }
.account-stats span { display: block; color: var(--muted); font-size: 12px; }
.account-stats strong { display: block; margin-top: 6px; color: var(--ink); font-size: 22px; overflow-wrap: anywhere; }
.account-section { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.account-section:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.account-section .recharge-form { margin: 14px 0 8px; padding: 14px; border-radius: 8px; background: #f7f9fc; }
.account-history { display: grid; gap: 0; }
.account-section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.account-section h3 { margin: 0 0 4px; }
.account-section h4 { margin: 18px 0 6px; font-size: 14px; }
.account-section-head p { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.status-chip { flex: 0 0 auto; border-radius: 999px; padding: 5px 8px; color: #0f766e; background: #e5f7f1; font-size: 12px; }

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.auth-message { min-height: 22px; margin: 12px 0 0; color: var(--teal); font-size: 14px; }
.auth-message.error { color: var(--red); }
.code-input-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; }
.security-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)) auto; gap: 10px; margin: 12px 0 18px; }
.phone-bind-form { grid-template-columns: repeat(3, minmax(0, 1fr)) auto auto; }

.auth-form {
  display: none;
}

.profile-row,
.admin-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.profile-row > * {
  min-width: 0;
}

.profile-row span,
.profile-row strong {
  overflow-wrap: anywhere;
}

.profile-row em {
  color: var(--muted);
  font-style: normal;
  font-size: 12px;
}

.profile-row:last-child,
.admin-row:last-child {
  border-bottom: 0;
}

.admin-block {
  margin-bottom: 16px;
}

.config-group {
  margin: 16px 0 20px;
}

.config-group h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--ink);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.config-grid textarea {
  min-height: 96px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.user-create-form {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr 1fr 140px 110px 92px 92px;
  gap: 10px;
  align-items: center;
  margin: 12px 0 18px;
}

.checkline {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--ink);
}

.checkline input {
  width: auto;
}

.admin-table {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.admin-table-head,
.admin-table-row {
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) 90px 70px 72px minmax(190px, 1fr) 110px;
  gap: 12px;
  align-items: center;
  padding: 12px;
}

.admin-table-head {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  background: #f8fafc;
}

.admin-table-row {
  border-top: 1px solid var(--line);
  background: white;
}

.resource-management-table .admin-table-head,
.resource-management-table .admin-table-row {
  grid-template-columns: minmax(240px, 1.5fr) 110px 110px 65px minmax(180px, 1fr) minmax(260px, auto);
}

.resource-management-table .admin-actions {
  justify-content: flex-end;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
}

.status-badge.ok {
  color: #0f766e;
  background: #dff7ef;
}

.status-badge.off {
  color: #9f1239;
  background: #ffe4e6;
}

.admin-modal {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  border: 0;
  border-radius: 8px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  box-shadow: 0 24px 70px rgba(23, 32, 51, .24);
}

.admin-modal::backdrop { background: rgba(15, 23, 42, .58); backdrop-filter: blur(3px); }
.admin-modal-card { margin: 0; padding: 24px; background: #fff; }
.admin-modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.admin-modal-head h2 { margin: 0; font-size: 22px; }
.icon-button { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 6px; padding: 0; color: var(--muted); font-size: 24px; line-height: 1; background: #fff; }
.user-editor-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 18px 0; }
.user-editor-summary div { min-width: 0; border: 1px solid var(--line); border-radius: 8px; padding: 12px; background: #f8fafc; }
.user-editor-summary span { display: block; color: var(--muted); font-size: 12px; }
.user-editor-summary strong { display: block; margin-top: 5px; font-size: 20px; overflow-wrap: anywhere; }
.user-editor-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.admin-modal-actions { display: grid; grid-template-columns: auto 1fr auto auto; gap: 10px; align-items: center; border-top: 1px solid var(--line); margin-top: 18px; padding-top: 16px; }
.resource-modal-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; }
.resource-modal-actions .danger { margin-right: auto; }

label small {
  color: var(--muted);
  line-height: 1.45;
}

.comment-box {
  margin-top: 20px;
}

.comment-box h3,
.profile-panel h3,
.admin-block h3 {
  margin: 18px 0 10px;
  font-size: 16px;
}

.comment-item {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.comment-item p {
  margin: 6px 0;
  color: var(--ink);
  line-height: 1.5;
}

.comment-item span {
  color: var(--muted);
  font-size: 12px;
}

.recharge-result {
  margin: 10px 0;
}

.recharge-result code {
  display: block;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #f8fafc;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: none;
  max-width: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--ink);
  background: white;
  box-shadow: 0 12px 32px rgba(23, 32, 51, 0.16);
}

.toast.show {
  display: block;
}

.auth-form input,
.security-form input,
.recharge-form select,
.recharge-form button {
  min-width: 0;
}

.nav-btn:hover, .tab:hover, .nav-link:hover { color: var(--ink); background: #f4f7fb; }
input:focus, select:focus, textarea:focus, button:focus-visible {
  outline: 3px solid rgba(45, 91, 255, .18);
  outline-offset: 1px;
}

@media (max-width: 900px) {
  .topbar,
  .search-band,
  .content-grid,
  .account-layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    position: static;
    padding: 16px;
  }

  .session {
    text-align: left;
  }

  .search,
  .nav-search,
  .summary-grid,
  .form-grid,
  .inline-form,
  .admin-block .inline-form,
  .recharge-form,
  .config-grid,
  .user-create-form,
  .admin-table-head,
  .admin-table-row {
    grid-template-columns: 1fr;
  }

  .resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .admin-table-head {
    display: none;
  }

  .admin-table-row {
    gap: 8px;
  }

  .resource-management-table .admin-table-row {
    display: grid;
  }

  .span-2 {
    grid-column: span 1;
  }

  h1 {
    font-size: 30px;
  }

  .hero { min-height: 300px; margin: -16px -16px 24px; padding: 28px 20px; }
  .hero h1 { font-size: 36px; }
  .carousel { min-height: 330px; margin: -16px -16px 24px; padding: 52px 22px 30px; }
  .carousel-copy h2 { font-size: 34px; }
  .page-banner { min-height: 260px; margin: -16px -16px 24px; padding: 30px 22px; }
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .resource-list-page { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-config-list, .carousel-config-list { grid-template-columns: 1fr; }
  .resource-detail-page { padding: 18px; }
  .resource-detail-page > .thumb { height: 280px; }
  .resource-gallery { grid-template-columns: minmax(0, 1fr); }
  .code-input-row, .security-form, .phone-bind-form { grid-template-columns: 1fr; }
  .nav-search input { width: 120px; }

  .account-layout { gap: 12px; }
  .auth-panel, .profile-panel { padding: 14px; }
  .profile-hero { align-items: flex-start; }
}

@media (max-width: 520px) {
  .topbar { display: grid; grid-template-columns: 1fr auto; gap: 9px 10px; padding: 10px 12px; }
  .brand { min-width: 0; }
  .brand > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .session { min-width: 0; font-size: 12px; white-space: nowrap; }
  .session button { margin-left: 4px; padding: 6px 8px; }
  .nav { grid-column: 1 / -1; order: 3; width: 100%; gap: 2px; padding-bottom: 1px; }
  .nav-btn { padding: 7px 9px; font-size: 12px; }
  .nav-search { grid-column: 1 / -1; order: 4; width: 100%; }
  .nav-search input { flex: 1; width: auto; }
  .shell { padding: 18px 10px 42px; }
  .section-head { gap: 8px; }
  .section-head h2 { font-size: 18px; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .section-head span { text-align: left; }
  .profile-hero { align-items: flex-start; flex-direction: column; }
  .profile-hero .primary { width: 100%; }
  .account-stats { gap: 6px; }
  .account-stats div { padding: 10px 8px; }
  .account-stats strong { font-size: 18px; }
  .account-stats span { font-size: 11px; white-space: nowrap; }
  .account-section-head { display: block; }
  .status-chip { display: inline-block; }
  .account-section { margin-top: 16px; padding-top: 14px; }
  .account-section .recharge-form { padding: 10px; }
  .profile-row { gap: 8px; }
  .netdisk-links { align-items: flex-start; flex-direction: column; gap: 6px; }
  .admin-search-form { flex-direction: column; }
  .admin-modal { width: calc(100vw - 16px); max-height: calc(100vh - 16px); }
  .admin-modal-card { padding: 16px; }
  .user-editor-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .user-editor-grid { grid-template-columns: minmax(0, 1fr); }
  .user-editor-grid .span-2 { grid-column: auto; }
  .admin-modal-actions { grid-template-columns: 1fr 1fr; }
  .admin-modal-actions span { display: none; }
  .resource-modal-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .resource-modal-actions .danger { margin-right: 0; }
  .resource-gallery { gap: 6px; }
  .resource-grid, .resource-list-page { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
  .resource-list-page .resource-card { padding: 7px; gap: 7px; }
  .resource-list-page .resource-card-image .thumb { height: auto; aspect-ratio: 1 / 1.18; }
  .resource-list-page .resource-card h3 { margin-bottom: 4px; font-size: 12px; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .resource-list-page .resource-card p { display: none; }
  .resource-list-page .meta { gap: 3px; margin-bottom: 5px; font-size: 9px; }
  .resource-list-page .pill { padding: 2px 4px; }
  .resource-list-page .resource-actions { display: block; }
  .resource-list-page .resource-actions button { width: 100%; margin-top: 3px; padding: 5px 3px; font-size: 10px; }
}