@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&display=swap");

:root {
  --blue: #0052ff;
  --blue-deep: #003db8;
  --blue-soft: #edf3ff;
  --blue-tint: #f5f8ff;
  --blue-line: rgba(0, 82, 255, 0.12);
  --ink: #14213d;
  --text: #3a4560;
  --muted: #7a869e;
  --line: #eef1f6;
  --page: #f5f7fb;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(20, 33, 61, 0.05);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* 统一间距 — 改这里即可全局微调 */
  --pad-x: 12px;
  --pad-head-y: 10px;
  --pad-head-x: 14px;
  --pad-body-y: 12px;
  --gap-page: 10px;
  --gap-block: 8px;
  --line-body: 1.65;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--page);
  line-height: var(--line-body);
  min-height: 100vh;
}

.page {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 10px 0 28px;
  background:
    radial-gradient(ellipse 90% 28% at 100% 0%, rgba(0, 82, 255, 0.07), transparent 55%),
    radial-gradient(ellipse 70% 22% at 0% 100%, rgba(0, 61, 184, 0.05), transparent 50%),
    var(--page);
  overflow: hidden;
}

.content {
  display: grid;
  gap: var(--gap-page);
  position: relative;
  z-index: 1;
  padding: 0 var(--pad-x);
}

/* —— 卡片 —— */
.block {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(20, 33, 61, 0.05);
  box-shadow: var(--shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.55s var(--ease) forwards;
}

.block:nth-child(1) { animation-delay: 0.04s; }
.block:nth-child(2) { animation-delay: 0.1s; }
.block:nth-child(3) { animation-delay: 0.16s; }
.block:nth-child(4) { animation-delay: 0.22s; }

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-block);
  padding: var(--pad-head-y) var(--pad-head-x);
  background:
    linear-gradient(90deg, rgba(0, 82, 255, 0.08), transparent 70%),
    linear-gradient(180deg, #fafbff, #fff);
  border-bottom: 1px solid var(--line);
}

.block-title {
  position: relative;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  padding-left: 10px;
}

.block-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--blue), var(--blue-deep));
}

.block-hint {
  font-size: 12px;
  color: var(--muted);
  flex-shrink: 0;
}

.block-body {
  padding: var(--pad-body-y) var(--pad-head-x);
}

.block-body p {
  font-size: 14px;
  color: var(--text);
  text-align: left;
  line-height: var(--line-body);
}

.block-body p + p {
  margin-top: var(--gap-block);
}

.lead {
  padding: 10px 12px;
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(0, 82, 255, 0.06), transparent 60%),
    var(--blue-tint);
  border: 1px solid var(--blue-line);
  border-left: 3px solid var(--blue);
  color: var(--ink);
  font-weight: 500;
  line-height: var(--line-body);
  text-align: left;
}

.lead .en-abbr {
  letter-spacing: normal;
  word-spacing: normal;
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* 信息页亮点条 */
.highlight-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-block);
  margin-top: var(--gap-block);
}

.highlight-strip .item {
  text-align: center;
  padding: 9px 6px;
  border-radius: 10px;
  background: var(--white);
  border: 1px solid var(--blue-line);
}

.highlight-strip .num {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1.2;
  margin-bottom: 4px;
}

.highlight-strip .txt {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* —— 时间地点 —— */
.meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-block);
}

.meta-tile {
  position: relative;
  border-radius: 10px;
  padding: 10px;
  background:
    linear-gradient(160deg, #fff 0%, var(--blue-tint) 100%);
  border: 1px solid var(--blue-line);
  overflow: visible;
}

.meta-tile .meta-main {
  position: relative;
  z-index: 1;
}

.meta-tile .meta-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.meta-tile .meta-deco {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 56px;
  height: 56px;
  color: var(--blue);
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.meta-tile .meta-deco svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.meta-tile .icon {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 14px rgba(0, 82, 255, 0.22);
}

.meta-tile .icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.meta-tile .label,
.meta-tile .value {
  position: relative;
  z-index: 1;
}

.meta-tile .label {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 0;
}

.meta-tile .value {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}

.meta-tile .value small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

/* —— 主题 —— */
.theme-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-block);
}

.theme-grid li {
  position: relative;
  padding: 9px 10px 9px 12px;
  border-radius: 10px;
  background: var(--page);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.45;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.theme-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--blue);
  opacity: 0.55;
}

.theme-grid li:active {
  background: var(--blue-tint);
  border-color: var(--blue-line);
  transform: translateY(-1px);
}

/* —— 活动 —— */
.act-intro {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: var(--gap-block);
}

.act-list {
  list-style: none;
  display: grid;
  gap: var(--gap-block);
}

.act-list li {
  display: flex;
  align-items: center;
  gap: var(--gap-block);
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--page);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
}

.act-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.act-tag {
  display: inline-block;
  margin-top: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  color: var(--blue);
  background: var(--blue-soft);
  font-weight: 500;
}

/* —— 组织机构 —— */
.org-stack {
  display: grid;
  gap: var(--gap-page);
}

.org-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(20, 33, 61, 0.05);
  box-shadow: var(--shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.55s var(--ease) forwards;
}

.org-card:nth-child(1) { animation-delay: 0.04s; }
.org-card:nth-child(2) { animation-delay: 0.1s; }
.org-card:nth-child(3) { animation-delay: 0.16s; }
.org-card:nth-child(4) { animation-delay: 0.22s; }

.org-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-block);
  padding: var(--pad-head-y) var(--pad-head-x);
  background:
    linear-gradient(90deg, rgba(0, 82, 255, 0.08), transparent 70%),
    linear-gradient(180deg, #fafbff, #fff);
  border-bottom: 1px solid var(--line);
}

.org-label {
  position: relative;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  padding-left: 10px;
}

.org-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--blue), var(--blue-deep));
}

.org-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 3px 8px;
  border-radius: 999px;
}

.org-side {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.org-en {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #b3bdcf;
  text-transform: uppercase;
}

.org-body {
  padding: var(--pad-body-y) var(--pad-head-x);
}

.org-list {
  list-style: none;
  display: grid;
  gap: var(--gap-block);
}

.org-list.cols-2 {
  grid-template-columns: 1fr;
}

.org-list li {
  position: relative;
  font-size: 14px;
  color: var(--text);
  line-height: var(--line-body);
  padding: 9px 10px 9px 24px;
  border-radius: 8px;
  background: var(--page);
}

.org-list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #b8c4d9;
}

.org-card.primary .org-list li {
  color: var(--ink);
  font-weight: 500;
  background: var(--blue-tint);
}

.org-card.primary .org-list li::before {
  background: var(--blue);
}

/* —— 时间轴 —— */
.timeline {
  list-style: none;
}

.tl-item {
  display: grid;
  grid-template-columns: 84px 24px 1fr;
  gap: 0 4px;
  min-height: 86px;
}

.tl-date {
  text-align: right;
  padding-top: 16px;
}

.tl-date .md {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}

.tl-date .yr {
  font-size: 11px;
  color: var(--muted);
  margin-top: 3px;
}

.tl-axis {
  position: relative;
  display: flex;
  justify-content: center;
}

.tl-axis::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.tl-item:first-child .tl-axis::before { top: 26px; }
.tl-item:last-child .tl-axis::before { bottom: calc(100% - 36px); }

.tl-dot {
  position: relative;
  z-index: 1;
  width: 12px;
  height: 12px;
  margin-top: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
}

.tl-card {
  margin: 8px 0;
  padding: 13px 14px;
  border-radius: 10px;
  background: var(--page);
  border: 1px solid var(--line);
}

.tl-card .desc {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.tl-item.is-on .tl-dot {
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(0, 82, 255, 0.15);
}

.tl-item.is-on .tl-date .md {
  color: var(--blue);
}

.tl-item.is-on .tl-card {
  background: var(--blue-tint);
  border-color: var(--blue-line);
}

/* —— 折叠面板 —— */
.fold {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  overflow: hidden;
}

.fold + .fold {
  margin-top: 10px;
}

.fold > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  user-select: none;
  background: linear-gradient(90deg, var(--blue-tint), #fff 70%);
  transition: background 0.25s var(--ease);
}

.fold > summary::-webkit-details-marker {
  display: none;
}

.fold > summary:active {
  background: var(--blue-soft);
}

.fold-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.fold-title .dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.12);
  flex-shrink: 0;
}

.fold-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.fold-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 2px 8px;
  border-radius: 999px;
}

.fold-arrow {
  width: 18px;
  height: 18px;
  color: var(--muted);
  transition: transform 0.28s var(--ease);
}

.fold-arrow svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.fold[open] > summary {
  border-bottom: 1px solid var(--line);
  background: var(--blue-soft);
}

.fold[open] .fold-arrow {
  transform: rotate(180deg);
  color: var(--blue);
}

.fold-body {
  padding: 12px;
  background: #fafbfd;
  animation: foldIn 0.28s var(--ease);
}

/* —— 分会列表 —— */
.forum-list {
  list-style: none;
  display: grid;
  gap: 8px;
}

.forum-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 8px 10px;
  padding: 12px;
  border-radius: 10px;
  background: var(--white);
  border: 1px solid var(--line);
}

.forum-item .forum-people {
  grid-column: 2;
}

.forum-code {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--blue-soft), #e3ecff);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.forum-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}

.forum-title .sub {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}

.forum-people {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text);
  line-height: 1.5;
}

.forum-people::before {
  content: "分会主席：";
  color: var(--muted);
}

.forum-people.is-side::before {
  content: "边会主席：";
}

.schedule-update {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid rgba(20, 33, 61, 0.05);
  box-shadow: var(--shadow);
  padding: 22px 20px;
  text-align: center;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.55s var(--ease) forwards;
  animation-delay: 0.28s;
}

.schedule-update::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 82, 255, 0.08), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(0, 61, 184, 0.06), transparent 42%),
    linear-gradient(180deg, #f8faff, #fff);
  pointer-events: none;
}

.schedule-update .su-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.schedule-update .su-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  border: 1px solid var(--blue-line);
}

.schedule-update .su-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.schedule-update .su-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.08em;
}

.schedule-update .su-sub {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.schedule-update .su-line {
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), transparent);
}

/* —— 联系 / 下载 / 交通 / 赞助 / 报名 —— */

/* 联系方式 - 卡片式 */
.cc-head {
  padding: 26px 20px 20px;
  text-align: center;
  background: linear-gradient(180deg, var(--blue-tint), #fff);
  border-bottom: 1px solid var(--line);
}
.cc-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.cc-role {
  display: inline-block;
  font-size: 12px;
  color: var(--blue);
  font-weight: 500;
  background: var(--blue-soft);
  border: 1px solid var(--blue-line);
  padding: 2px 12px;
  border-radius: 11px;
  margin-bottom: 10px;
}
.cc-org {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.cc-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  text-decoration: none;
}
.cc-row + .cc-row { border-top: 1px solid var(--line); }
.cc-row:active { background: var(--blue-tint); }
.cc-ic {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  box-shadow: 0 4px 10px rgba(0, 82, 255, 0.2);
}
.cc-ic svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: #fff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cc-txt {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}
.cc-label { font-size: 12px; color: var(--muted); }
.cc-value { font-size: 16px; font-weight: 600; color: var(--ink); }
.cc-arrow {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* 资料下载 */
.dl-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.dl-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  background: var(--page);
  border: 1px solid var(--line);
  color: inherit;
}

.dl-btn {
  flex-shrink: 0;
  appearance: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  padding: 7px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(0, 82, 255, 0.2);
}

.dl-btn:active {
  transform: translateY(1px);
}

.dl-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px 20px;
}

.dl-modal[hidden] {
  display: none;
}

.dl-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 33, 61, 0.45);
}

.dl-modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 300px);
  padding: 22px 20px 18px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 40px rgba(20, 33, 61, 0.16);
  text-align: center;
}

.dl-modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.dl-modal-info {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--blue-tint);
  border: 1px solid var(--blue-line);
}

.dl-modal-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}

.dl-modal-desc {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.dl-modal-actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 10px;
  margin-top: 18px;
}

.dl-modal-btn {
  appearance: none;
  min-height: 42px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.dl-modal-btn.ghost {
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--blue-line);
}

.dl-modal-btn.primary {
  color: #fff;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  border: none;
  box-shadow: 0 6px 16px rgba(0, 82, 255, 0.2);
}

.dl-modal-btn:active {
  transform: translateY(1px);
}

.dl-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
}

.dl-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dl-main {
  flex: 1;
  min-width: 0;
}

.dl-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.dl-desc {
  margin-top: 3px;
  font-size: 12px;
  color: var(--muted);
}

/* 酒店预订 */
.hotel-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 22px 18px;
  background:
    radial-gradient(circle at 92% 18%, rgba(0, 82, 255, 0.14), transparent 42%),
    linear-gradient(150deg, #f8faff 0%, #eef4ff 100%);
  border: 1px solid var(--blue-line);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.55s var(--ease) forwards;
}

.hotel-banner .hb-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  box-shadow: 0 6px 14px rgba(0, 82, 255, 0.22);
}

.hotel-banner .hb-icon svg,
.hotel-banner .hb-deco svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hotel-banner .hb-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.1em;
}

.hotel-banner .hb-title {
  margin-top: 6px;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}

.hotel-banner .hb-desc {
  margin-top: 8px;
  max-width: 28em;
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
}

.hotel-banner .hb-deco {
  position: absolute;
  right: 8px;
  bottom: 6px;
  width: 110px;
  height: 110px;
  color: var(--blue);
  opacity: 0.06;
  pointer-events: none;
}

.hotel-banner .hb-deco svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.2;
}

.hotel-body {
  padding: 14px !important;
}

.hotel-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.hotel-item {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 14px;
  background:
    linear-gradient(168deg, #fff 0%, #f7faff 58%, #f2f6ff 100%);
  border: 1px solid var(--blue-line);
  box-shadow: 0 4px 16px rgba(20, 33, 61, 0.04);
}

.hotel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.hotel-mark {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.hotel-badge {
  display: inline-block;
  width: fit-content;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--blue);
  background: rgba(0, 82, 255, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
}

.hotel-badge.alt {
  color: #8a6420;
  background: rgba(180, 120, 40, 0.12);
}

.hotel-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}

.hotel-price-box {
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding: 6px 0 0;
  color: var(--blue);
}

.hotel-price-box .hp-num {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.hotel-price-box .hp-unit {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.hotel-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: -4px;
}

.hotel-meta-row span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 999px;
}

.hotel-section {
  display: grid;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px dashed rgba(20, 33, 61, 0.08);
}

.hotel-section .hs-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}

.hotel-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hotel-dates span {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 6px 11px;
  border-radius: 8px;
}

.hotel-contacts {
  display: grid;
  gap: 8px;
}

.hotel-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  appearance: none;
}

.hotel-contact:active {
  border-color: var(--blue-line);
  background: var(--blue-tint);
}

.hotel-contact .hc-ico {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
}

.hotel-contact .hc-ico svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hotel-contact .hc-body {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 2px;
}

.hotel-contact .hc-label {
  font-size: 11px;
  color: var(--muted);
}

.hotel-contact .hc-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  word-break: break-all;
}

.hotel-contact .hc-action {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  background: rgba(0, 82, 255, 0.08);
  padding: 4px 8px;
  border-radius: 999px;
}

.hotel-contact .hc-action.ok {
  color: #0a7a4b;
  background: rgba(10, 122, 75, 0.1);
}

.hotel-actions {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 10px;
}

.hotel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 14px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.hotel-btn.ghost {
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--blue-line);
}

.hotel-btn.primary {
  color: #fff;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  border: none;
  box-shadow: 0 8px 18px rgba(0, 82, 255, 0.22);
}

button.hotel-btn.primary {
  border: none;
}

.hotel-btn:active {
  transform: translateY(1px);
}

button.hotel-btn {
  appearance: none;
  cursor: pointer;
  font-family: inherit;
}

button.hotel-btn.ghost {
  border: 1px solid var(--blue-line);
}

.hotel-qr-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px 20px;
}

.hotel-qr-modal[hidden] {
  display: none;
}

.hotel-qr-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 33, 61, 0.52);
  backdrop-filter: blur(4px);
}

.hotel-qr-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 320px);
  padding: 22px 20px 20px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 48px rgba(20, 33, 61, 0.18);
  text-align: center;
}

.hotel-qr-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.hotel-qr-title {
  padding: 0 28px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.45;
}

.hotel-qr-img-wrap {
  margin: 16px auto 12px;
  width: min(100%, 240px);
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.hotel-qr-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hotel-qr-hint {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* 交通 */
.venue-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 22px 18px;
  background:
    radial-gradient(circle at 90% 20%, rgba(0, 82, 255, 0.12), transparent 45%),
    linear-gradient(145deg, #f7faff 0%, #eef4ff 100%);
  border: 1px solid var(--blue-line);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.55s var(--ease) forwards;
}

.venue-banner .vb-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  box-shadow: 0 6px 14px rgba(0, 82, 255, 0.22);
}

.venue-banner .vb-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.venue-banner .vb-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.venue-banner .vb-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.venue-banner .vb-addr {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.venue-banner .vb-addr:active {
  opacity: 0.75;
}

.venue-banner .vb-copy {
  flex-shrink: 0;
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: rgba(0, 82, 255, 0.08);
  padding: 2px 8px;
  border-radius: 999px;
}

.venue-banner .vb-copy.ok {
  color: #0a7a4b;
  background: rgba(10, 122, 75, 0.1);
}

.venue-banner .vb-deco {
  position: absolute;
  right: 10px;
  bottom: 8px;
  width: 64px;
  height: 64px;
  color: var(--blue);
  opacity: 0.06;
  pointer-events: none;
}

.venue-banner .vb-deco svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.2;
}

.traffic-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.traffic-item {
  padding: 16px;
  border-radius: 12px;
  background: var(--page);
  border: 1px solid var(--line);
}

.traffic-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.traffic-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
}

.traffic-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.traffic-icon.train,
.traffic-icon.plane {
  background: var(--blue-soft);
  color: var(--blue);
}

.traffic-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
}

.traffic-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  flex-shrink: 0;
}

.traffic-meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.traffic-meta span {
  font-size: 11px;
  font-weight: 500;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 2px 8px;
  border-radius: 999px;
  line-height: 1.4;
}

.traffic-desc {
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
  text-align: justify;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.traffic-desc::before {
  content: "公共交通：";
  color: var(--muted);
  font-weight: 500;
}

.sponsor-tier {
  margin-bottom: 4px;
}

.sponsor-tier + .sponsor-tier {
  margin-top: 8px;
}

.tier-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.tier-tag.diamond {
  color: #3b4a6b;
  background: linear-gradient(90deg, #eef2ff, #f5f7ff);
  border: 1px solid #d8e0f5;
}

.tier-tag.gold {
  color: #8a6a1f;
  background: linear-gradient(90deg, #fff7e6, #fffaf0);
  border: 1px solid #f0e0b0;
}

.tier-tag.silver {
  color: #5a6578;
  background: linear-gradient(90deg, #f2f4f7, #fafbfc);
  border: 1px solid #dde2ea;
}

.sponsor-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.sponsor-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  background: var(--page);
  border: 1px solid var(--line);
  align-items: center;
}

.sponsor-logo {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.sponsor-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

.sponsor-logo .ph {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.3;
  padding: 6px;
}

.sponsor-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.sponsor-desc {
  font-size: 12px;
  color: var(--text);
  line-height: 1.55;
}

/* —— 敬请期待占位页（照片直播 / 赞助企业等） —— */
.page-live {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 0;
  background:
    radial-gradient(ellipse 100% 70% at 50% 100%, rgba(0, 61, 184, 0.08), transparent 55%),
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 82, 255, 0.06), transparent 50%),
    var(--page);
}

.live-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.live-glow {
  position: absolute;
  top: 42%;
  left: 50%;
  width: min(100vw, 420px);
  height: min(100vw, 420px);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 82, 255, 0.06) 0%, transparent 70%);
}

.live-arc {
  position: absolute;
  bottom: -15%;
  left: 50%;
  width: min(140vw, 820px);
  height: min(70vw, 400px);
  transform: translateX(-50%);
  border-radius: 50% 50% 0 0;
  border: 1px solid rgba(0, 82, 255, 0.07);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), transparent 70%);
}

.live-stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 32px;
  animation: liveFadeUp 0.8s var(--ease) forwards;
}

.live-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  border-radius: 50%;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--blue-line);
  box-shadow: 0 8px 24px rgba(0, 82, 255, 0.08);
}

.live-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.live-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.36em;
  text-indent: 0.36em;
  color: var(--muted);
}

.live-rule {
  width: 1px;
  height: 40px;
  margin: 20px 0 24px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(0, 82, 255, 0.3) 50%,
    transparent
  );
}

.live-heading {
  font-size: clamp(32px, 9vw, 44px);
  font-weight: 600;
  letter-spacing: 0.44em;
  text-indent: 0.44em;
  line-height: 1.35;
  color: var(--ink);
}

@keyframes liveFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reg-block {
  padding: 16px 14px 22px;
}

.form-stack {
  display: grid;
  gap: 14px;
}

.step-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.step-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 4px;
  border-radius: 999px;
  background: var(--page);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.step-item span {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #d7deea;
  color: #fff;
  font-size: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-item.is-on {
  color: var(--blue);
  background: var(--blue-soft);
  border-color: var(--blue-line);
}

.step-item.is-on span,
.step-item.is-done span {
  background: var(--blue);
}

.step-item.is-done {
  color: var(--blue);
}

.step-panel {
  display: none;
}

.step-panel.is-on {
  display: block;
}

.fee-section + .fee-section {
  margin-top: 4px;
}

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

.fee-section-title small {
  margin-left: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
}

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

.fee-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 112px;
  padding: 14px 12px;
  border-radius: 14px;
  background:
    linear-gradient(165deg, #fff 0%, var(--blue-tint) 100%);
  border: 1px solid var(--blue-line);
  box-shadow: 0 4px 14px rgba(0, 51, 204, 0.06);
  cursor: pointer;
  overflow: hidden;
}

.fee-card.early {
  background: linear-gradient(165deg, #fff 0%, #fff8ef 100%);
  border-color: #f0e0c4;
}

.fee-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.fee-badge {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  background: rgba(0, 82, 255, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
}

.fee-badge.student {
  color: #0a7a4b;
  background: rgba(10, 122, 75, 0.1);
}

.fee-badge.early {
  color: #9a6a1f;
  background: rgba(154, 106, 31, 0.12);
}

.fee-amount {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.fee-type {
  margin-top: auto;
  font-size: 12px;
  color: var(--muted);
}

.fee-card:has(input:checked) {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(0, 82, 255, 0.18), 0 8px 18px rgba(0, 82, 255, 0.12);
}

.fee-card.early:has(input:checked) {
  border-color: #d4a24a;
  box-shadow: 0 0 0 2px rgba(212, 162, 74, 0.25), 0 8px 18px rgba(212, 162, 74, 0.12);
}

.fee-card:has(input:checked)::after {
  content: "✓";
  position: absolute;
  right: 10px;
  top: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  display: grid;
  place-items: center;
}

.fee-card.early:has(input:checked)::after {
  background: #d4a24a;
}

.fee-card.is-disabled {
  opacity: 0.45;
  filter: grayscale(1);
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}

.fee-card.is-disabled:has(input:checked)::after {
  display: none;
}

.fee-section.is-expired .fee-section-title {
  color: var(--muted);
}

.fee-expired-tip {
  margin: 8px 0 0;
  font-size: 12px;
  color: #9a6a1f;
  line-height: 1.45;
}

#invoiceFields {
  display: grid;
  gap: 12px;
}

#invoiceFields[hidden] {
  display: none;
}

.fee-tips {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 10px;
  background: #fff8ef;
  border: 1px solid #f0e0c4;
}

.fee-tips p {
  margin: 0;
  font-size: 12px;
  color: #7a5a2a;
  line-height: 1.55;
}

.preview-list {
  display: grid;
  gap: 0;
}

.preview-item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.preview-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.preview-item:first-child {
  padding-top: 0;
}

.pi-label {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.pi-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
  word-break: break-word;
}

.pay-card {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--blue-line);
  background: var(--blue-tint);
  cursor: pointer;
}

.pay-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pay-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: #07c160;
  color: #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.pay-icon svg {
  width: 22px;
  height: 22px;
  display: block;
  fill: currentColor;
  stroke: none;
}

.pay-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.pay-desc {
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
}

.pay-amount {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue);
}

.form-actions.dual {
  grid-template-columns: 1fr 1.4fr;
}

.btn-secondary {
  appearance: none;
  border: 1px solid var(--line);
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-family: inherit;
  cursor: pointer;
}

.btn-secondary:active {
  background: var(--page);
}

.form-group {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fafbfd;
  overflow: hidden;
}

.form-group-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: linear-gradient(90deg, var(--blue-soft), transparent 80%);
  border-bottom: 1px solid var(--line);
}

.form-group-hd h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.form-group-hd .fg-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  background: rgba(0, 82, 255, 0.08);
  padding: 2px 8px;
  border-radius: 999px;
}

.form-group-bd {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.form-fold {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.form-fold + .form-fold {
  margin-top: 8px;
}

.form-fold > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: var(--page);
  user-select: none;
}

.form-fold > summary::-webkit-details-marker {
  display: none;
}

.form-fold > summary .count {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.form-fold > summary .arrow {
  color: var(--muted);
  transition: transform 0.25s var(--ease);
}

.form-fold[open] > summary {
  border-bottom: 1px solid var(--line);
  background: var(--blue-tint);
}

.form-fold[open] > summary .arrow {
  transform: rotate(180deg);
  color: var(--blue);
}

.form-fold-bd {
  padding: 10px;
  display: grid;
  gap: 8px;
}

.invoice-box {
  display: grid;
  gap: 12px;
}

.field-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.4;
}

.field label .req {
  color: #e34d59;
  margin-left: 2px;
}

.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="date"],
.field input[type="file"],
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--page);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 14px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(0, 82, 255, 0.45);
  background: #fff;
}

.field textarea {
  min-height: 96px;
  resize: vertical;
}

.field-hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-chip {
  position: relative;
}

.radio-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--page);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.radio-chip input:checked + span {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 600;
}

.check-list {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
  padding: 4px 2px 4px 0;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 10px;
  background: var(--page);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.45;
  cursor: pointer;
}

.check-item input {
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--blue);
}

.check-item:has(input:checked) {
  border-color: var(--blue-line);
  background: var(--blue-tint);
}

.check-forum {
  align-items: flex-start;
}

.check-forum .cf-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.check-forum .cf-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.check-forum .cf-chair {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.45;
}

.check-group-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.06em;
  margin: 6px 0 2px;
}

.invoice-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: stretch;
}

.btn-ghost {
  appearance: none;
  border: 1px solid var(--blue-line);
  background: var(--blue-soft);
  color: var(--blue);
  border-radius: 10px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  white-space: nowrap;
  cursor: pointer;
}

.form-actions {
  margin-top: 8px;
  display: grid;
  gap: 10px;
}

.btn-primary {
  appearance: none;
  border: none;
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--blue), var(--blue-deep));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-family: inherit;
  box-shadow: 0 8px 18px rgba(0, 82, 255, 0.25);
  cursor: pointer;
}

.btn-primary:active {
  transform: translateY(1px);
}

.form-note {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  line-height: 1.55;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes foldIn {
  from {
    opacity: 0.4;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 480px) {
  .page {
    padding: 10px 0 28px;
  }

  .content {
    padding: 0 var(--pad-x);
    gap: var(--gap-page);
  }

  .org-list.cols-2 {
    grid-template-columns: 1fr 1fr;
  }

  .tl-item {
    grid-template-columns: 96px 28px 1fr;
  }

  .forum-item {
    grid-template-columns: 44px 1.2fr 1fr;
    align-items: start;
  }

  .forum-item .forum-people {
    grid-column: auto;
    margin-top: 0;
  }

  .forum-people::before {
    content: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .block,
  .org-card,
  .fold-body,
  .live-stage {
    animation: none;
  }

  .block,
  .org-card {
    opacity: 1;
    transform: none;
  }

  .live-stage {
    opacity: 1;
    transform: none;
  }
}

/* —— 组织委员会（会议信息页）—— */
.committee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.committee-card {
  position: relative;
  padding: 12px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(0, 82, 255, 0.06), transparent 65%),
    var(--blue-tint);
  border: 1px solid var(--blue-line);
  overflow: hidden;
}

.committee-card::after {
  content: "";
  position: absolute;
  right: -18px;
  top: -18px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 82, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.committee-card .cm-role {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.06em;
}

.cm-pending {
  margin-top: 5px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.12em;
}

.committee-detail {
  margin-top: 10px;
  border-radius: 12px;
  border: 1px dashed var(--blue-line);
  background: var(--white);
  padding: 4px 12px;
}

.cd-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0;
}

.cd-row + .cd-row {
  border-top: 1px solid var(--line);
}

.committee-detail .cd-k {
  flex-shrink: 0;
  width: 76px;
  padding-top: 1px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.committee-detail .cd-v {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.7;
}

.committee-detail .cd-v .is-names {
  font-weight: 400;
  font-size: 12px;
  color: var(--text);
}

/* —— 会议通知（会议信息页）—— */
.notice-list {
  display: grid;
  gap: 10px;
}

.notice-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.notice-card:not(.is-pending):active {
  border-color: var(--blue-line);
  background: var(--blue-tint);
}

.notice-card .nc-date {
  flex-shrink: 0;
  width: 64px;
  padding: 6px 0;
  border-radius: 10px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  background:
    linear-gradient(135deg, rgba(0, 82, 255, 0.08), transparent 70%),
    var(--blue-tint);
  border: 1px solid var(--blue-line);
}

.notice-card .nc-body {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 2px;
}

.notice-card .nc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.notice-card .nc-sub {
  font-size: 12px;
  color: var(--muted);
}

.notice-card .nc-arrow {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.notice-card.is-pending {
  opacity: 0.72;
}

.notice-card.is-pending .nc-date {
  color: var(--muted);
  background: var(--page);
  border-color: var(--line);
  font-weight: 500;
}

.notice-card.is-pending .nc-title {
  color: var(--muted);
}