/* Forum detail page */

.page-forum-detail {
  background-color: #f0f2f5;
}

body.modal-open {
  overflow: hidden;
}

.forum-detail-topbar {
  background-color: #0e3051;
  color: #ffffff;
  padding-block: 10px;
}

.forum-detail-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.forum-detail-topbar__logo-text {
  display: flex;
  align-items: center;
  gap: 12px;
}

.forum-detail-topbar__logo {
  width: 56px;
  height: 32px;
  border-radius: 4px;
  background-color: #ffffff;
  color: #0e3051;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.forum-detail-topbar__brand {
  font-weight: 700;
  font-size: 16px;
}

.forum-detail-topbar__slogan {
  font-size: 12px;
  opacity: 0.85;
}

.forum-detail-topbar__current {
  font-size: 13px;
}

/* Hero */

.forum-detail-hero {
  background-image: url("../img/forum-banner-bg.png");
  background-repeat: no-repeat;
  background-position: center bottom;
  /* 以底部为基准对齐 */
  background-size: cover;
  /* 横向拉满，纵向自适应裁切 */
  border-bottom: 1px solid #004494;
  color: #ffffff;
}

.forum-detail-hero__inner {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 32px;
  padding-block: 28px;
}

.forum-detail-hero__info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.forum-detail-hero__title {
  font-size: 48px;
  font-weight: 700;
  color: #ffffff;
}

.forum-detail-hero__subtitle {
  font-size: 22px;
  color: #18afd5;
}

.forum-detail-hero__datetime {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  font-size: 22px;
  color: #7ca4df;
}

.forum-detail-hero__datetime-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.forum-detail-hero__datetime i {
  font-size: 20px;
}

.forum-detail-hero__actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.forum-detail-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 32px;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 700;
  border: 1px solid transparent;
}

.forum-detail-btn--primary {
  background-color: #18afd5;
  color: #ffffff;
  border-color: #18afd5;
}

.forum-detail-btn--secondary {
  background-color: #ffffff;
  color: #004494;
  border-color: #004494;
}

.forum-detail-btn--ghost {
  background-color: transparent;
  color: #004494;
  border-color: #c9d4e5;
}

.forum-detail-hero__visual {
  position: relative;
  border-radius: 18px;
  padding: 10px;
  background-color: rgba(255, 255, 255, 0.08);
}

.forum-detail-hero__visual::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: none;
}

.forum-detail-hero__image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

/* Tabs under hero */

.forum-detail-tabs {
  border-top: 1px solid #dde4ec;
  border-bottom: 1px solid #dde4ec;
  background-color: #ffffff;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
  /* 底部阴影更明显 */
}

.forum-detail-tabs__inner {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding-block: 20px;
  /* 上下内边距 20px */
}

.forum-detail-tab {
  position: relative;
  padding: 0 24px;
  border: none;
  background-color: transparent;
  font-size: 16px;
  /* 16px 字 */
  color: #004494;
}

.forum-detail-tab--active {
  font-weight: 700;
  /* 选中文字加粗 */
}

.forum-detail-tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -20px;
  /* 向下移动到 tab 导航条底边（等于 padding-block 20px） */
  height: 3px;
  background-color: transparent;
}

.forum-detail-tab--active::after {
  background-color: #004494;
  /* 选中态整块下划线 */
}

/* Tab panel embedding */

.forum-detail-tab-panels {
  background-color: #eeeeee;
}

.forum-detail-tab-panel {
  display: none;
}

.forum-detail-tab-panel--active {
  display: block;
}

.forum-detail-placeholder {
  padding: 80px 0 120px;
}

.forum-detail-placeholder__inner {
  border: 1px dashed #cfd6e6;
  border-radius: 16px;
  padding: 60px 20px;
  text-align: center;
  background: #f8fafc;
}

.forum-detail-placeholder__inner h3 {
  margin: 0 0 12px;
  font-size: 24px;
  color: #0f1f3d;
}

.forum-detail-placeholder__inner p {
  margin: 0;
  font-size: 16px;
  color: #4b5563;
}

/* Sponsors tab */

.forum-sponsors {
  background: #f5f7fb;
  padding: 70px 0 100px;
}

.forum-sponsors__intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.forum-sponsors__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: #0b4ea9;
  margin-bottom: 8px;
}

.forum-sponsors__title {
  font-size: 28px;
  margin: 0 0 12px;
  color: #0f1f3d;
}

.forum-sponsors__desc {
  margin: 0;
  color: #4b5563;
  font-size: 16px;
}

.forum-sponsors__group {
  background: #ffffff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 12px 40px rgba(7, 24, 55, 0.08);
  margin-top: 26px;
}

.forum-sponsors__group-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 26px;
}

.forum-sponsors__group-header p {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: #0f1f3d;
}

.forum-sponsors__group-header span {
  font-size: 14px;
  color: #6b7280;
}

.forum-sponsors__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
}

.forum-sponsors__grid--dense {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.forum-sponsors__logo {
  border-radius: 16px;
  border: 1px solid #e3e8ef;
  background: #fdfdfd;
  padding: 24px 12px;
  font-weight: 600;
  color: #0f1f3d;
  font-size: 16px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.forum-sponsors__logo:hover,
.forum-sponsors__logo:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 35px rgba(6, 61, 142, 0.14);
}

.forum-sponsor-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

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

.forum-sponsor-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 51, 0.6);
}

.forum-sponsor-modal__dialog {
  position: relative;
  background: #ffffff;
  border-radius: 20px;
  padding: 80px;
  max-width: 1080px;
  width: min(90vw, 1080px);
  box-shadow: 0 30px 70px rgba(7, 24, 55, 0.25);
}

.forum-sponsor-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: none;
  background: transparent;
  font-size: 26px;
  cursor: pointer;
  color: #6b7280;
}

.forum-sponsor-modal__logo {
  font-weight: 700;
  font-size: 22px;
  color: #0f1f3d;
  margin-bottom: 12px;
}

.forum-sponsor-modal__layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.forum-sponsor-modal__logo-col {
  flex: 0 0 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.forum-sponsor-modal__logo-col img {
  width: 100%;
  max-width: 200px;
  height: auto;
  object-fit: contain;
}

.forum-sponsor-modal__content {
  flex: 1;
}

.forum-sponsor-modal__content p {
  margin: 0;
  color: #333;
  font-size: 16px;
  line-height: 1.7;
}

.forum-sponsor-modal__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #0f62fe;
  font-weight: 600;
}

/* Speaker Modal */
.forum-speaker-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

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

.forum-speaker-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 51, 0.6);
}

.forum-speaker-modal__dialog {
  position: relative;
  background: #ffffff;
  border-radius: 20px;
  padding: 60px;
  max-width: 800px;
  width: min(90vw, 800px);
  box-shadow: 0 30px 70px rgba(7, 24, 55, 0.25);
}

.forum-speaker-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: none;
  background: transparent;
  font-size: 26px;
  cursor: pointer;
  color: #6b7280;
}

.forum-speaker-modal__layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.forum-speaker-modal__avatar-col {
  flex: 0 0 150px;
}

.forum-speaker-modal__avatar-col img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
}

.forum-speaker-modal__content {
  flex: 1;
}

.forum-speaker-modal__content h3 {
  margin: 0 0 8px;
  font-size: 24px;
  color: #111827;
}

.forum-speaker-modal__title {
  margin: 0 0 4px;
  font-size: 16px;
  color: #004494;
  font-weight: 600;
}

.forum-speaker-modal__company {
  margin: 0 0 16px;
  font-size: 14px;
  color: #6b7280;
}

.forum-speaker-modal__bio {
  margin: 0;
  font-size: 15px;
  color: #333;
  line-height: 1.7;
}

/* Speakers tab */

.forum-speakers {
  padding: 50px 0;
}

.forum-speakers__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.forum-speakers__eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #0b4ea9;
  margin-bottom: 8px;
}

.forum-speakers__header h2 {
  margin: 0 0 10px;
  font-size: 30px;
  color: #0f1f3d;
}

.forum-speakers__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.forum-speaker-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 50px 30px;
  border: 1px solid #e1e6ef;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.forum-speaker-card--featured {
  border: 2px solid #0b4ea9;
  box-shadow: 0 20px 40px rgba(11, 78, 169, 0.12);
}

.forum-speaker-card__photo {
  margin-bottom: 40px;
}

.forum-speaker-card__photo img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
}

.forum-speaker-card__body h3 {
  margin: 0;
  font-size: 24px;
  color: #0f1f3d;
  font-weight: 700;
}

.forum-speaker-card__role {
  margin: 20px 0 0;
  font-size: 16px;
  color: #656565;
}

.forum-speaker-card__company {
  margin: 20px 0 0;
  font-size: 16px;
  color: #001a93;
}

.forum-speaker-card__cta {
  margin-top: 40px;
  border: 1px solid #004393;
  border-radius: 999px;
  background: transparent;
  color: #004393;
  padding: 10px 32px;
  font-weight: 600;
  cursor: pointer;
}

.forum-speaker-card:hover {
  border-color: #004393;
  background: #f3fafd;
  box-shadow: 0 18px 40px rgba(0, 67, 147, 0.15);
}

.forum-speaker-card:hover .forum-speaker-card__cta {
  background: #004393;
  color: #ffffff;
}

@media (max-width: 1200px) {
  .forum-speakers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .forum-speakers__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .forum-speakers__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Photos tab */

.forum-photos {
  padding: 70px 0 90px;
}

.forum-photos__topbar {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.forum-photos__more-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid #d5deea;
  background: #ffffff;
  color: #35567f;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 6px 16px rgba(12, 35, 64, 0.08);
  transition: all 0.2s ease;
}

.forum-photos__more-link:hover,
.forum-photos__more-link:focus-visible {
  color: #0b4ea9;
  border-color: #9eb8da;
  background: #f8fbff;
}

.forum-photos__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 32px;
}

.forum-photos__eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0b4ea9;
  margin-bottom: 8px;
}

.forum-photos__viewer {
  background: #ffffff;
  border-radius: 24px;
  padding: 0;
  box-shadow: 0 18px 40px rgba(12, 35, 64, 0.12);
  position: relative;
}

.forum-photos__figure {
  margin: 0;
  text-align: left;
  position: relative;
}

.forum-photos__figure img {
  width: 100%;
  border-radius: 18px;
  object-fit: cover;
}

.forum-photos__figure figcaption {
  position: absolute;
  left: 24px;
  bottom: 20px;
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.forum-photos__wrapper {
  position: relative;
}

.forum-photos__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: #6b7280;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
  z-index: 10;
}

.forum-photos__nav--prev {
  left: -60px;
}

.forum-photos__nav--next {
  right: -60px;
}

.forum-photos__nav--prev::before {
  content: '';
  width: 10px;
  height: 10px;
  border-left: 2px solid #6b7280;
  border-bottom: 2px solid #6b7280;
  transform: rotate(45deg);
  margin-left: 4px;
}

.forum-photos__nav--next::before {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid #6b7280;
  border-top: 2px solid #6b7280;
  transform: rotate(45deg);
  margin-right: 4px;
}

.forum-photos__viewer .swiper-button-prev::after,
.forum-photos__viewer .swiper-button-next::after {
  font-size: 20px;
  line-height: 1;
}

.forum-photos__viewer .swiper-button-prev::after {
  content: '\2039';
  /* ‹ */
}

.forum-photos__viewer .swiper-button-next::after {
  content: '\203A';
  /* › */
}

.forum-photos__nav:hover,
.forum-photos__nav:focus-visible {
  background: #004393;
  border-color: #004393;
  color: #ffffff;
}

.forum-photos__nav--prev:hover::before,
.forum-photos__nav--prev:focus-visible::before {
  border-left-color: #ffffff;
  border-bottom-color: #ffffff;
}

.forum-photos__nav--next:hover::before,
.forum-photos__nav--next:focus-visible::before {
  border-right-color: #ffffff;
  border-top-color: #ffffff;
}

.forum-photos__thumbs {
  margin-top: 20px;
  padding: 0 4px;
}

.forum-photos__thumb {
  border: 2px solid transparent;
  border-radius: 12px;
  padding: 4px;
  background: transparent;
  cursor: pointer;
}

.forum-photos__thumb img {
  width: 220px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
}

/* 当前缩略图放大并高亮，使用 Swiper 自带的 .swiper-slide-thumb-active */
.swiper-slide-thumb-active .forum-photos__thumb {
  border-color: #0b4ea9;
}

.swiper-slide-thumb-active .forum-photos__thumb img {
  transform: scale(1.08);
}

/* Registration tab */

.forum-registration {
  padding: 40px 0 0px;
}

.forum-registration__banner {
  background: #ffffff;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.14);
  overflow: hidden;
  margin-bottom: 0;
}

.forum-registration__banner img {
  display: block;
  width: 100%;
}

/* 新的左右布局 */
.forum-registration__layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 0;
  background: #ffffff;
  border-radius: 0 0 16px 16px;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.14);
}

.forum-registration__left {
  padding: 40px;
  border-right: 1px solid #e5e7eb;
}

.forum-registration__right {
  padding: 40px;
  background: #f8fafc;
}

.forum-registration__title {
  margin: 0 0 24px;
  font-size: 28px;
  font-weight: 700;
  color: #111827;
}

.forum-registration__top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.forum-registration__info-card {
  background: #f7f9fc;
  color: #4b5563;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #e5e7eb;
}

.forum-registration__info-card p {
  margin: 8px 0;
  font-size: 15px;
  line-height: 1.6;
}

.forum-registration__info-card strong {
  color: #111827;
}

/* Declaration section */
.forum-registration__section-title {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 24px 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
}

.required-mark {
  color: #e11d48;
  font-weight: bold;
}

.forum-registration__consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 0;
  background: transparent;
  border: none;
}

.forum-registration__consent input[type="checkbox"] {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.forum-registration__consent span {
  font-size: 14px;
  line-height: 1.6;
  color: #334155;
}

.forum-registration__consent-feedback {
  display: none;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.4;
  color: #dc2626;
}

.forum-registration__consent-feedback.is-visible {
  display: block;
}

/* Payment section */
.forum-registration__payment {
  margin-top: 24px;
}

.forum-registration__payment-block {
  padding: 20px 0;
  border-bottom: 1px solid #e5e7eb;
}

.forum-registration__payment-block:last-child {
  border-bottom: none;
}

.forum-registration__payment-title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
}

.forum-registration__payment-note {
  font-weight: 400;
  color: #6b7280;
  font-size: 14px;
}

.forum-registration__paypal {
  margin-bottom: 16px;
  padding: 20px 25px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  width: fit-content;
  background-color: #ffffff;
}

.forum-registration__paypal-logo {
  height: 60px;
  /* 稍微调大一点以匹配图片 */
  width: auto;
  display: block;
}

.forum-registration__bank-info {
  background: transparent;
  padding: 0;
  border: none;
  border-radius: 0;
}

.forum-registration__bank-info p {
  margin: 4px 0;
  font-size: 14px;
  color: #4b5563;
}

.forum-registration__payment-method {
  margin: 20px 0 12px;
  font-size: 15px;
}

.forum-registration__qr {
  margin-top: 12px;
}

.forum-registration__qr img {
  width: 200px;
  height: 270px;
  object-fit: contain;
  /* 改为 contain 防止图片变形，如果要裁剪改为 cover */
  border-radius: 12px;
  border: 1px solid #dbe2f2;
  padding: 4px;
  background: #ffffff;
}

/* Form styles */
.forum-registration__form {
  background: transparent;
  padding: 0;
}

.forum-registration__form h3 {
  margin: 0 0 24px;
  font-size: 20px;
  font-weight: 700;
  color: #111827;
}

.forum-registration__form .form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: #111827;
}

.forum-registration__form .form-control,
.forum-registration__form .form-select {
  border-radius: 8px;
  border: 1px solid #d1d5db;
  padding: 10px 14px;
  font-size: 15px;
  background-color: #ffffff;
}

.forum-registration__form .form-control:focus,
.forum-registration__form .form-select:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  outline: none;
}

.forum-registration__form .invalid-feedback {
  color: #dc2626;
  font-size: 13px;
  margin-top: 4px;
}

.forum-registration__form .was-validated .form-control:invalid,
.forum-registration__form .was-validated .form-select:invalid {
  border-color: #dc2626;
}

.forum-registration__form .was-validated .form-control:invalid:focus,
.forum-registration__form .was-validated .form-select:invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.forum-registration__form .was-validated .form-control:valid,
.forum-registration__form .was-validated .form-select:valid {
  border-color: #16a34a;
}

.forum-registration__terms-content {
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 18px 16px;
  max-height: 380px;
  overflow-y: auto;
}

.forum-registration__terms-content p {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.95;
  color: #111827;
  letter-spacing: 0.01em;
}

.forum-registration__terms-content p:last-child {
  margin-bottom: 0;
}

.forum-registration__terms-check {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  column-gap: 10px;
  row-gap: 6px;
  align-items: start;
}

.forum-registration__terms-check .form-check-input {
  margin-top: 3px;
  flex-shrink: 0;
  grid-column: 1;
  grid-row: 1;
}

.forum-registration__terms-check .form-check-label {
  font-size: 14px;
  line-height: 1.6;
  color: #111827;
  font-weight: 500;
  grid-column: 2;
  grid-row: 1;
}

.forum-registration__terms-check .invalid-feedback {
  margin: 0;
  grid-column: 2;
  grid-row: 2;
  display: none;
  width: 100%;
}

.forum-registration__form .was-validated .forum-registration__terms-check .form-check-input:invalid~.invalid-feedback {
  display: block;
}

.forum-registration__questions-section {
  padding: 16px 0;
  border-top: 1px solid #e5e7eb;
  margin-top: 16px;
  margin-bottom: 16px;
}

.forum-registration__submit {
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #ffffff;
  padding: 14px 32px;
  font-size: 16px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.2s;
}

.forum-registration__submit:hover {
  background: #1d4ed8;
}

.forum-registration__submit-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.forum-registration__submit-actions .forum-detail-btn--secondary {
  margin-left: auto;
}

.forum-registration__success {
  border: 1px solid #dbeafe;
  background: #f8fbff;
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
}

.forum-registration__success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #e0f2fe;
  color: #0284c7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
}

.forum-registration__success-title {
  margin: 0 0 12px;
  font-size: 28px;
  color: #0f172a;
}

.forum-registration__success-text {
  margin: 0 auto 24px;
  max-width: 420px;
  line-height: 1.7;
  color: #475569;
}

.forum-registration__success-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.forum-registration__success-btn {
  min-width: 220px;
  min-height: 46px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.forum-registration__success-btn:hover,
.forum-registration__success-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.14);
}

.forum-registration__action-modal {
  position: fixed;
  inset: 0;
  z-index: 2600;
}

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

.forum-registration__action-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.56);
}

.forum-registration__action-modal-dialog {
  position: relative;
  width: min(520px, calc(100vw - 32px));
  margin: 12vh auto 0;
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid #dbe5f0;
  box-shadow: 0 28px 68px rgba(2, 8, 23, 0.28);
  padding: 24px 22px 20px;
}

.forum-registration__action-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 0;
  background: transparent;
  color: #64748b;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.forum-registration__action-modal-title {
  margin: 0 0 8px;
  font-size: 22px;
  color: #0f172a;
}

.forum-registration__action-modal-text {
  margin: 0 0 16px;
  color: #475569;
  font-size: 14px;
}

.forum-registration__action-modal-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.forum-registration__action-btn {
  width: 100%;
  min-height: 46px;
  font-size: 15px;
}

.forum-detail-agenda-actions {
  padding: 16px 0 56px;
}

.forum-detail-agenda-actions__inner {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 1024px) {
  .forum-registration__layout {
    grid-template-columns: 1fr;
  }

  .forum-registration__left {
    border-right: none;
    border-bottom: 1px solid #e5e7eb;
  }
}

@media (max-width: 768px) {

  .forum-registration__left,
  .forum-registration__right {
    padding: 24px;
  }

  .forum-registration__title {
    font-size: 22px;
  }
}

/* Contact tab */

.forum-contact {
  padding: 70px 0 90px;
}

.forum-contact__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}

.forum-contact__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: #0b4ea9;
  margin-bottom: 8px;
}

.forum-contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.forum-contact__card {
  background: #ffffff;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 14px 30px rgba(12, 35, 64, 0.08);
}

.forum-contact__card h3 {
  margin: 0 0 8px;
  color: #0f1f3d;
}

.forum-contact__card p,
.forum-contact__card a {
  margin: 4px 0;
  color: #4b5563;
  font-size: 14px;
}

.forum-contact__card a {
  color: #0b4ea9;
  font-weight: 600;
}

.forum-contact__form {
  margin-top: 32px;
  background: #ffffff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 18px 40px rgba(12, 35, 64, 0.08);
}

.forum-contact__form-grid {
  display: grid;
  gap: 16px;
}

.forum-contact__form label span {
  display: block;
  margin-bottom: 6px;
  color: #4b5563;
  font-size: 14px;
}

.forum-contact__form input,
.forum-contact__form textarea {
  border: 1px solid #d5dcea;
  border-radius: 10px;
  padding: 10px 12px;
  width: 100%;
}

.forum-contact__form button {
  margin-top: 16px;
  border: none;
  border-radius: 999px;
  padding: 12px 24px;
  background: #0b4ea9;
  color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  font-weight: 600;
}

@media (max-width: 768px) {
  .forum-sponsor-modal__dialog {
    padding: 40px 20px;
    width: min(100vw, 480px);
  }

  .forum-sponsor-modal__layout {
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }

  .forum-sponsor-modal__logo-col,
  .forum-sponsor-modal__content {
    flex: none;
    width: 100%;
  }

  .forum-sponsor-modal__content {
    text-align: left;
  }
}

/* Agenda PDF file bar under tabs */

.forum-detail-agenda-file {
  background-color: rgba(206, 216, 228, 0.5);
  box-shadow: 0 -4px 8px rgba(15, 23, 42, 0.08);
  /* 与 tab 交界处的阴影 */
}

.forum-detail-agenda-file__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  /* 上下边距 20px */
}

.forum-detail-agenda-file__info {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  color: #333333;
}

.forum-detail-agenda-file__icon {
  color: #e53935;
  /* PDF 红色图标 */
  font-size: 22px;
}

.forum-detail-agenda-file__name {
  font-size: 18px;
}

.forum-detail-agenda-file__download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 20px;
  border-radius: 4px;
  border: none;
  background-color: #20558B;
  color: #ffffff;
  font-size: 18px;
}

.forum-detail-agenda-file__download i {
  font-size: 18px;
}

/* Summary */

.forum-detail-section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #111827;
}

.forum-detail-summary {
  background-color: #f5f7fb;
  padding-block: 20px;
}

.forum-detail-summary__box {
  background-color: #e3f2ff;
  border-radius: 8px;
  padding: 16px 20px;
}

.forum-detail-summary__text {
  font-size: 14px;
  color: #374151;
}

/* Agenda: date + three meeting cards */

.forum-detail-agenda {
  padding-block: 30px;
}

/* 交替背景色：奇数无背景，偶数#E5E5E5 */
.forum-detail-agenda--alt {
  background-color: #E5E5E5;
}

/* 有背景时timeline背景#E7EEF3 */
.forum-detail-agenda--alt .main-forum-timeline {
  background-color: #EEEEEE;
}

/* 无背景时timeline背景#DFE7F1 */
.forum-detail-agenda:not(.forum-detail-agenda--alt) .main-forum-timeline {
  background-color: #DFE7F1;
}

.forum-detail-agenda__header {
  margin-bottom: 18px;
}

.forum-detail-agenda__date {
  font-size: 26px;
  font-weight: 700;
  color: #111827;
}

.forum-detail-agenda__title {
  margin-left: 60px;
}

.forum-detail-agenda__list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.agenda-meeting {
  border-radius: 6px;
  overflow: hidden;
  background-color: transparent;
}

.agenda-meeting__header {
  display: flex;
  align-items: stretch;
  /* 两侧块高度随内容最大的一侧拉伸，保持一致 */
  padding: 0;
  background-color: rgba(0, 68, 148, 0.18);
  /* 右侧头部：主色降透明度 */
}

.agenda-meeting__header-left {
  position: relative;
  display: flex;
  align-items: center;
  padding: 25px 30px 25px 50px;
  /* 上下 25，左 50 */
  background-color: #004494;
  color: #ffffff;
}

.agenda-meeting--teal .agenda-meeting__header-left {
  background-color: #0f9dc0;
}

/* 青色版本：右侧头部使用青色降低透明度 */
.agenda-meeting--teal .agenda-meeting__header {
  background-color: rgba(15, 157, 192, 0.18);
}

.agenda-meeting__header-left::after {
  content: "";
  position: absolute;
  top: 0;
  right: -25px;
  width: 26px;
  height: 100%;
  /* 高度始终跟左侧块一致 */
  background-color: #004494;
  /* 用剪裁实现等腰直角三角形，斜边 45°，高度自动跟随 */
  clip-path: polygon(0 0, 100% 0%, 0 105%);
}

.agenda-meeting__header-right {
  flex: 1;
  padding: 25px 40px 25px 30px;
  /* 上下 25，左右适当留白 */
}

.agenda-meeting__tag {
  font-size: 20px;
  /* 会议名称 20px */
  font-weight: 700;
  /* 加粗 */
}

/* 青色版本的斜线颜色同步为青色 */
.agenda-meeting--teal .agenda-meeting__header-left::after {
  background-color: #0f9dc0;
}

.agenda-meeting__title {
  font-size: 18px;
  /* 会议主题 18px */
  font-weight: 700;
  color: #111827;
}

.agenda-meeting__body {
  padding: 50px;
  /* 内容块边距 50px */
  background-color: rgba(0, 68, 148, 0.06);
  /* 蓝色主色，透明度更低 */
}

/* 青色版本内容块使用青色降透明度 */
.agenda-meeting--teal .agenda-meeting__body {
  background-color: rgba(15, 157, 192, 0.06);
}

/* ===== 海蓝色版本 (azure) #007EC9 ===== */
.agenda-meeting--azure .agenda-meeting__header-left {
  background-color: #007EC9;
}

.agenda-meeting--azure .agenda-meeting__header {
  background-color: rgba(0, 126, 201, 0.18);
}

.agenda-meeting--azure .agenda-meeting__header-left::after {
  background-color: #007EC9;
}

.agenda-meeting--azure .agenda-meeting__body {
  background-color: rgba(0, 126, 201, 0.06);
}

/* ===== 蓝绿色版本 (cyan) #2B7A8C ===== */
.agenda-meeting--cyan .agenda-meeting__header-left {
  background-color: #2B7A8C;
}

.agenda-meeting--cyan .agenda-meeting__header {
  background-color: rgba(43, 122, 140, 0.18);
}

.agenda-meeting--cyan .agenda-meeting__header-left::after {
  background-color: #2B7A8C;
}

.agenda-meeting--cyan .agenda-meeting__body {
  background-color: rgba(43, 122, 140, 0.06);
}

/* ===== 石板蓝版本 (slate) #4A6580 ===== */
.agenda-meeting--slate .agenda-meeting__header-left {
  background-color: #4A6580;
}

.agenda-meeting--slate .agenda-meeting__header {
  background-color: rgba(74, 101, 128, 0.18);
}

.agenda-meeting--slate .agenda-meeting__header-left::after {
  background-color: #4A6580;
}

.agenda-meeting--slate .agenda-meeting__body {
  background-color: rgba(74, 101, 128, 0.06);
}

/* ===== 灰蓝版本 (steel) #5C7A99 ===== */
.agenda-meeting--steel .agenda-meeting__header-left {
  background-color: #5C7A99;
}

.agenda-meeting--steel .agenda-meeting__header {
  background-color: rgba(92, 122, 153, 0.18);
}

.agenda-meeting--steel .agenda-meeting__header-left::after {
  background-color: #5C7A99;
}

.agenda-meeting--steel .agenda-meeting__body {
  background-color: rgba(92, 122, 153, 0.06);
}



.agenda-meeting__intro {
  font-size: 16px;
  /* 正文 16px */
  color: #4b5563;
  margin-bottom: 10px;
}

.agenda-meeting__meta {
  margin: 0;
}

.agenda-meeting__meta-row {
  display: flex;
  gap: 8px;
  font-size: 16px;
  /* 信息行 16px */
  color: #111827;
}

.agenda-meeting__meta-row+.agenda-meeting__meta-row {
  margin-top: 4px;
}

.agenda-meeting__meta-row dt {
  min-width: 110px;
  font-weight: 600;
}

.agenda-meeting__meta-row dd {
  margin: 0;
}

/* Main forum timeline */

.forum-detail-main-forum {
  padding: 20px 0 20px;
}

.main-forum-timeline {
  padding: 50px;
  background-color: #EEEEEE;
  display: flex;
  flex-direction: column;
  gap: 30px;
  border-radius: 16px;
}

.forum-detail-main-forum--simple {
  background: #EEEEEE;
}

.forum-detail-main-forum--simple .main-forum-timeline {
  background-color: #E5E5E5;
}

.main-forum-item {
  display: grid;
  grid-template-columns: 160px 48px minmax(0, 1fr);
  column-gap: 24px;
  align-items: stretch;
}

.main-forum-item__time {
  text-align: right;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  line-height: 1.4;
}

.main-forum-item__time-main {
  display: block;
}

.main-forum-item__axis {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 8px;
}

.main-forum-item__axis::before {
  content: "";
  position: absolute;
  top: -32px;
  bottom: -32px;
  width: 2px;
  background: linear-gradient(180deg, #a0b0c8, #a0b0c8);
}

.main-forum-item:first-child .main-forum-item__axis::before {
  top: 8px;
}

.main-forum-item:last-child .main-forum-item__axis::before {
  bottom: 8px;
}

.main-forum-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #004494;
  box-shadow: 0 0 0 3px #eeeeee, 0 0 0 5px #004494;
  position: relative;
  z-index: 1;
}

.main-forum-item--break .main-forum-item__dot {
  background: #f59e0b;
}

.main-forum-card {
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.main-forum-card:first-child {
  margin-top: 0;
}

.main-forum-card--highlight {
  border-color: #cfd9ff;
  box-shadow: 0 40px 90px rgba(0, 68, 148, 0.18);
}

.main-forum-card--break {
  border-style: dashed;
  border-color: #f6c979;
  background: rgba(246, 201, 121, 0.15);
}

.main-forum-card__note {
  font-size: 14px;
  color: #6b7280;
}

.main-forum-card__title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin: 0;
}

.main-forum-card__desc {
  font-size: 16px;
  color: #333;
  margin: 0;
}

.main-forum-card__meta {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.main-forum-card__meta div {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: #374151;
}

.main-forum-card__meta dt {
  font-weight: 600;
  min-width: 90px;
}

.main-forum-card__meta dd {
  margin: 0;
  color: #4b5563;
}


.main-forum-speakers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.main-forum-speakers> :only-child {
  grid-column: 1 / -1;
}

.main-forum-speaker {
  display: flex;
  align-items: stretch;
  background: #dde1e7;
  border-radius: 999px 12px 12px 999px;
  min-height: 100px;
}

.main-forum-speaker__avatar {
  position: relative;
  flex: 0 0 auto;
  min-width: 100px;
  min-height: 100px;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 4px solid transparent;
  border-right-color: #b1c2d6;
  align-self: stretch;
  overflow: hidden;
  background: #cfd5e2;
}

.main-forum-speaker__avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.main-forum-speaker__body {
  flex: 1;
  margin: 15px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.main-forum-speaker__name {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  color: #004393;
}

.main-forum-speaker__desc {
  font-size: 16px;
  color: #111111;
  font-weight: 400;
  margin: 0;
}

@media (max-width: 1200px) {
  .main-forum-item {
    grid-template-columns: 120px 36px minmax(0, 1fr);
  }

  .main-forum-speakers {
    grid-template-columns: minmax(0, 1fr);
  }

}

@media (max-width: 640px) {
  .main-forum-item {
    grid-template-columns: 1fr;
    row-gap: 14px;
  }

  .main-forum-item__time {
    text-align: left;
  }

  .main-forum-item__axis {
    display: none;
  }

  .main-forum-speakers {
    grid-template-columns: minmax(0, 1fr);
  }

  .main-forum-speaker {
    flex-direction: column;
    align-items: center;
    border-radius: 20px;
  }

  .main-forum-speaker__avatar {
    width: 120px;
  }
}

/* File Upload Styles */
.file-upload-zone {
  background: #f8fbff;
  border: 1px dashed #9db4d8;
  border-radius: 10px;
  padding: 24px 18px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 5px;
}

.file-upload-zone:hover,
.file-upload-zone.is-dragover {
  background: #edf5ff;
  border-color: #2563eb;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.15);
}

.file-upload-content {
  pointer-events: none;
  /* 让点击事件穿透到 zone */
}

.file-upload-text {
  color: #0b4ea9;
  font-size: 14px;
  margin: 0 0 6px;
  font-weight: 500;
}

.file-upload-hint {
  color: #9ca3af;
  font-size: 13px;
  margin: 0;
}

.file-upload-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-upload-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f0f7ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}

.file-upload-item__main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.file-upload-item__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.file-upload-item__name {
  color: #0f172a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.file-upload-item__remove {
  color: #dc2626;
  cursor: pointer;
  background: #fee2e2;
  border: 1px solid #fecaca;
  border-radius: 999px;
  width: 26px;
  height: 26px;
  font-size: 16px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
}

.file-upload-item__remove:hover {
  color: #b91c1c;
  background: #fecaca;
}



/* Speakers */

.forum-detail-speakers {
  padding-block: 24px;
}

.forum-detail-speakers__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.speaker-card {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 12px;
  background-color: #f5f5f5;
  border-radius: 6px;
  padding: 10px 14px;
}

.speaker-card__avatar img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
}

/* Invoice/Receipt Tabs */
.invoice-tab {
  transition: all 0.2s;
  cursor: pointer;
}

.invoice-tab.active {
  color: #111827;
  border-bottom: 2px solid #0b4ea9;
  padding-bottom: 4px;
  font-weight: 700;
}

.invoice-tab.inactive {
  color: #6b7280;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  font-weight: 400;
}

.speaker-card__name {
  font-size: 16px;
  font-weight: 700;
}

.speaker-card__title {
  font-size: 14px;
  color: #4b5563;
}

.speaker-card__bio {
  font-size: 13px;
  color: #6b7280;
}

/* Sponsors */

.forum-detail-sponsors {
  padding: 60px 0 90px;
}

.sponsor-section+.sponsor-section {
  margin-top: 60px;
}

.sponsor-gallery {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.sponsor-gallery__item {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 340 / 120;
  border-radius: 10px;
  border: 1px solid #d5dce7;
  background: #ffffff;
  padding: 20px 0;
  overflow: hidden;
}

.sponsor-gallery--platinum .sponsor-gallery__item {
  border-width: 2px;
  border-color: #b7c5da;
  background: #ffffff;
}

.sponsor-gallery--standard .sponsor-gallery__item {
  background: #ffffff;
}

.sponsor-gallery__item img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

@media (max-width: 1200px) {
  .forum-detail-hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .forum-detail-hero__visual {
    max-width: 520px;
    margin-inline: auto;
  }

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

@media (max-width: 768px) {
  .forum-detail-tabs__inner {
    overflow-x: auto;
    gap: 20px;
    padding: 16px 12px;
    justify-content: flex-start;
  }

  .forum-detail-tab {
    font-size: 14px;
    padding: 0 12px;
    white-space: nowrap;
  }

  .sponsor-gallery {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .sponsor-gallery__item {
    aspect-ratio: auto;
    padding: 16px 24px;
    min-height: 80px;
  }

  .sponsor-gallery__item img {
    height: auto;
    max-height: 60px;
    width: auto;
    max-width: 100%;
  }

  .sponsor-section+.sponsor-section {
    margin-top: 40px;
  }

  .forum-detail-sponsors {
    padding: 40px 16px 60px;
  }

  .sponsor-section__title {
    padding-inline: 0;
  }

  /* 容器内边距 */
  .forum-detail-sponsors .xinde-container-md,
  .forum-detail-agenda .xinde-container-md {
    padding-inline: 16px;
  }

  /* Hero 区域优化 */
  .forum-detail-hero__inner {
    padding: 20px 16px;
    gap: 20px;
  }

  .forum-detail-hero__title {
    font-size: 28px;
  }

  .forum-detail-hero__subtitle {
    font-size: 16px;
  }

  .forum-detail-hero__datetime {
    font-size: 16px;
    flex-wrap: wrap;
  }

  /* Agenda 区域优化 */
  .forum-detail-agenda {
    padding-block: 20px;
  }

  .forum-detail-agenda__date {
    font-size: 20px;
  }

  .forum-detail-agenda__title {
    margin-left: 0;
    display: block;
    margin-top: 8px;
  }

  /* Meeting 卡片优化 */
  .agenda-meeting__header {
    flex-direction: column;
  }

  .agenda-meeting__header-left {
    padding: 16px 20px;
  }

  .agenda-meeting__header-left::after {
    display: none;
  }

  .agenda-meeting__header-right {
    padding: 16px 20px;
  }

  .agenda-meeting__tag {
    font-size: 16px;
  }

  .agenda-meeting__title {
    font-size: 15px;
  }

  .agenda-meeting__body {
    padding: 20px;
  }

  /* Timeline 优化 - 关键修改 */
  .main-forum-timeline {
    padding: 20px 16px;
  }

  .main-forum-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .main-forum-item__time {
    text-align: left;
    font-size: 14px;
    padding-left: 24px;
    position: relative;
  }

  .main-forum-item__time::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #004494;
  }

  .main-forum-item__axis {
    display: none;
  }

  .main-forum-item__content {
    padding-left: 0;
  }

  .main-forum-card {
    gap: 12px;
    margin-top: 16px;
  }

  .main-forum-card__title {
    font-size: 16px;
  }

  .main-forum-card__desc {
    font-size: 14px;
  }

  /* Speaker 列表优化 */
  .main-forum-speakers {
    gap: 12px;
  }

  .main-forum-speaker {
    flex-direction: row;
    gap: 12px;
    padding: 12px;
    min-height: auto;
    border-radius: 12px;
  }

  .main-forum-speaker__avatar {
    width: 60px;
    height: 60px;
    min-width: 60px;
    min-height: 60px;
    flex-shrink: 0;
    border: none;
    background: transparent;
  }

  .main-forum-speaker__avatar img {
    width: 60px;
    height: 60px;
    position: static;
  }

  .main-forum-speaker__body {
    margin: 0;
    gap: 4px;
  }

  .main-forum-speaker__name {
    font-size: 14px;
  }

  .main-forum-speaker__title,
  .main-forum-speaker__company {
    font-size: 12px;
  }

  /* 文件下载区优化 */
  .forum-detail-agenda-file__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
  }

  .forum-detail-agenda-file__info {
    font-size: 15px;
  }

  .forum-detail-agenda-file__download {
    width: 100%;
    justify-content: center;
    font-size: 15px;
  }

  /* Speaker Modal 优化 */
  .forum-speaker-modal {
    padding: 16px;
    align-items: center;
    justify-content: center;
  }

  .forum-speaker-modal__dialog {
    padding: 24px 16px;
    width: 100%;
    max-width: 360px;
    border-radius: 16px;
    margin: auto;
    max-height: 80vh;
    overflow-y: auto;
  }

  .forum-speaker-modal__layout {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .forum-speaker-modal__avatar-col {
    flex: none;
  }

  .forum-speaker-modal__avatar-col img {
    width: 100px;
    height: 100px;
  }

  .forum-speaker-modal__content {
    text-align: center;
  }

  .forum-speaker-modal__content h3 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .forum-detail-hero__title {
    font-size: 24px;
  }

  .forum-detail-hero__subtitle {
    font-size: 14px;
  }

  .forum-detail-hero__datetime {
    font-size: 14px;
  }

  .forum-detail-btn {
    padding: 8px 24px;
    font-size: 14px;
  }

  .forum-detail-agenda__date {
    font-size: 18px;
  }

  .agenda-meeting__header-left,
  .agenda-meeting__header-right {
    padding: 12px 16px;
  }

  .agenda-meeting__body {
    padding: 16px;
  }

  .main-forum-timeline {
    padding: 16px 12px;
    gap: 20px;
  }

  .forum-detail-tab {
    font-size: 13px;
    padding: 0 10px;
  }

  .forum-photos__nav {
    width: 36px;
    height: 36px;
  }

  .forum-photos__nav--prev {
    left: 8px;
  }

  .forum-photos__nav--next {
    right: 8px;
  }

  /* Photos 缩略图保持横向比例 */
  .forum-photos__thumb img {
    width: 120px;
    height: 80px;
    object-fit: cover;
  }

  .forum-photos__thumbs {
    margin-top: 12px;
  }
}