/* ==========================================================================
   思达普科技官网 · 首页样式：hero 整幅 tile、产品栅格与卡片、关于区块
   注：product.html 也引入本文件，复用 .product-grid / .product-card 做相关推荐
   ========================================================================== */

.main {
  padding-top: var(--nav-height);
}

/* ---- hero 整幅 tile 纵向堆叠 ---- */
.section-hero {
  background-color: var(--color-bg-primary);
}

.section-hero .tile-wrapper {
  min-height: calc(100vh - var(--nav-height));
  min-height: calc(100dvh - var(--nav-height));
}

.tile-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 64px 24px 0;
  text-align: center;
  background-color: var(--color-bg-card);
  overflow: hidden;
}

.tile-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--content-max);
}

.tile-headline {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.005em;
}

.section-hero .tile-headline {
  font-size: clamp(2rem, 5vw, 4rem);
}

.tile-subhead {
  margin-top: 10px;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
}

.tile-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 22px;
}

/* hero 底部图片区：填满剩余高度，图片贴底裁剪 */
.tile-media {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 280px;
  margin-top: 32px;
}

.tile-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 24px 24px 0 0;
}

/* 品牌视觉图保持完整（不裁剪放大） */
.tile-media--contain {
  background-color: var(--color-bg-card);
}

.tile-media--contain img {
  object-fit: contain;
  padding: 16px;
}

/* 品牌 hero：无图排版式设计（柔和渐变 + 大字价值观） */
.tile-wrapper--brand {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-card) 55%, #EAF7FE 100%);
}

.tile-brand-mark {
  position: relative;
  display: flex;
  width: 100%;
  flex: 1;
  min-height: 240px;
  align-items: center;
  justify-content: center;
  margin-top: 32px;
  overflow: hidden;
}

.tile-brand-mark::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(720px, 120vw);
  height: min(720px, 120vw);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(91, 199, 253, 0.18), rgba(91, 199, 253, 0) 70%);
}

.tile-brand-inner {
  position: relative;
  padding: 0 24px;
  text-align: center;
}

.tile-brand-since {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-tertiary);
}

.tile-brand-values {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 6px 26px;
  margin-top: 18px;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(29, 29, 31, 0.16);
}

.tile-brand-values i {
  font-style: normal;
  font-weight: 400;
  color: rgba(91, 199, 253, 0.5);
}

/* ---- 产品栅格与卡片 ---- */
.section-products {
  padding-bottom: 24px;
  scroll-margin-top: 56px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 12px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 520px;
  padding: 44px 28px 0;
  text-align: center;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
}

/* 整卡可点：与内容同级，保证内容区(含加购按钮)在链接之上可交互，media 区仍整卡跳详情 */
.product-card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.product-card-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.product-card-badge {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 980px;
  background-color: var(--color-accent-soft);
  font-size: 12px;
}

.product-card-name {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
}

.product-card-tagline {
  margin-top: 6px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.product-card-price {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.product-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-accent);
  text-decoration: none;
}

/* 商城加购：操作区需高于整卡链接层级，保证按钮可点 */
.product-card-actions {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 14px;
}

.product-card-actions .product-card-cta {
  margin-top: 0;
}

.product-card-add {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 16px;
  border: 0;
  border-radius: 980px;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.product-card-add:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.product-card-add:active {
  transform: translateY(0);
}

.product-card--dark .product-card-add {
  color: #1D1D1F;
}

.product-card-media {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56%;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 深色卡片 */
.product-card--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.product-card--dark .product-card-tagline,
.product-card--dark .product-card-price {
  color: var(--color-text-on-dark-secondary);
}

/* ---- 关于思达普 ---- */
.section-about {
  padding: 80px 24px;
  background-color: var(--color-bg-card);
  scroll-margin-top: 56px;
}

.about-grid {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  gap: 40px;
}

.about-copy h2 {
  margin-top: 8px;
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
}

.about-copy > p {
  margin-top: 16px;
  font-size: 17px;
  color: var(--color-text-secondary);
}

/* 愿景 / 价值观 / 经营理念 */
.about-mottos {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.about-mottos li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.about-motto-label {
  display: inline-block;
  flex: none;
  min-width: 60px;
  padding: 2px 10px;
  border-radius: 980px;
  background-color: var(--color-accent-soft);
  color: var(--color-text-primary);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.about-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

/* 关于：联系我们电话行 */
.about-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.about-contact a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}

.about-contact a:hover {
  text-decoration: underline;
}

.about-contact-sep {
  color: rgba(0, 0, 0, 0.35);
}

/* 创始人卡片 */
.about-founder {
  display: flex;
  justify-content: center;
}

.founder-card {
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  border-radius: var(--radius-media);
  background-color: var(--color-bg-card);
  box-shadow: 0 12px 32px rgba(29, 29, 31, 0.08);
}

.founder-card img {
  width: 100%;
  aspect-ratio: 1 / 1.05;
  object-fit: cover;
  object-position: center top;
}

.founder-info {
  padding: 20px 24px 24px;
  text-align: left;
}

.founder-info h3 {
  font-size: 18px;
  font-weight: 600;
}

.founder-info h3 span {
  margin-left: 6px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.founder-info p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.about-values {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: var(--content-max);
  margin: 48px auto 0;
  padding: 0 24px;
}

.about-value-mark {
  display: flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 10px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
}

.about-value h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.about-value p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* 案例卡片的产品线标记：一条产品线一份，避免"荣誉与客户"区只看到团餐 */
.case-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
}

.case-tag.is-yiha {
  background-color: rgba(255, 149, 0, .12);
  color: #B26A00;
}

/* 分组小标题（对照组：团餐 / 伊哈体育） */
.cases-group-title {
  max-width: var(--content-max);
  margin: 44px auto 0;
  padding: 0 24px;
  font-size: 20px;
  font-weight: 600;
}

/* 数据带 */
.about-data {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 16px;
  max-width: var(--content-max);
  margin: 48px auto 0;
  padding: 0 24px;
}

.about-data-item {
  text-align: center;
}

.about-data-value {
  font-size: 28px;
  font-weight: 600;
}

.about-data-label {
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-text-tertiary);
}

/* 发展历程图 */
.about-history {
  max-width: var(--content-max);
  margin: 40px auto 0;
  padding: 0 24px;
}

.about-history img {
  width: 100%;
  border-radius: var(--radius-media);
}

/* 荣誉与客户案例 */
.section-cases {
  padding: 24px 24px 72px;
  background-color: var(--color-bg-primary);
  scroll-margin-top: 56px;
}

.cases-grid {
  display: grid;
  gap: 40px;
  max-width: var(--content-max);
  margin: 0 auto;
  align-items: center;
}

.case-media img {
  width: 100%;
  border-radius: var(--radius-media);
  background-color: var(--color-bg-card);
}

.case-list h3 {
  font-size: 20px;
  font-weight: 600;
}

.case-list > p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.case-logos {
  margin-top: 20px;
}

.case-logos img {
  width: 100%;
  border-radius: var(--radius-card);
  background-color: var(--color-bg-card);
}

/* 产品分组小标题 */
.product-group-head {
  padding: 32px 24px 8px;
  text-align: center;
  scroll-margin-top: 56px;
}

.product-group-head .eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

/* 免费领取（线索收集横幅） */
.section-lead {
  padding: 24px 24px 72px;
  background-color: var(--color-bg-primary);
}

.lead-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-media);
  background: linear-gradient(120deg, #EAF7FE 0%, #F3FBFF 55%, #FFFFFF 100%);
}

.lead-copy h2 {
  margin-top: 6px;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
}

.lead-copy > p:last-child {
  margin-top: 8px;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.lead-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.lead-note {
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-align: center;
}

@media (max-width: 767px) {
  .lead-banner {
    justify-content: center;
    text-align: center;
  }
}

/* ---- 断点 ---- */
@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-data {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
    gap: 64px;
  }

  .about-data {
    grid-template-columns: repeat(6, 1fr);
  }

  .cases-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }
}

@media (min-width: 1440px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .product-card {
    min-height: 440px;
  }
}

/* ==========================================================================
   通知公告板块（admin.html「通知管理」维护，js/home.js 渲染）
   ========================================================================== */
.section-notice {
  padding: 48px 0 16px;
  background-color: var(--color-bg-primary);
}

.notice-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.notice-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  text-align: center;
}

.notice-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: var(--content-narrow);
  margin: 0 auto;
}

.notice-item {
  border-bottom: 1px solid var(--color-border);
}

.notice-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 10px 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
}

.notice-item summary::-webkit-details-marker {
  display: none;
}

.notice-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 400;
  color: var(--color-text-tertiary);
  transition: transform 0.3s ease;
}

.notice-item[open] summary::after {
  transform: rotate(45deg);
}

.notice-date {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.notice-content {
  padding: 0 4px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.notice-empty {
  padding: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* ==========================================================================
   顶部公告气泡条（参考 DeepSeek 官网最上方的胶囊提示）
   仅在首页展示，未读通知出现一次；点击关闭即标记已读
   fixed 悬浮在固定导航下方，居中胶囊，不遮挡导航
   ========================================================================== */
.announce-bar {
  display: none;
  position: fixed;
  top: calc(var(--nav-height) + 10px);
  left: 0;
  right: 0;
  z-index: 800;
  padding: 0 16px;
  pointer-events: none;
}
.announce-bar[data-active] {
  display: block;
}
.announce-bar-pill {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 12px 8px 18px;
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.5;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.14);
}
.announce-bar-text {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.announce-bar-text strong {
  font-weight: 600;
  color: var(--color-accent);
}
.announce-bar-close {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: inherit;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s var(--ease-out);
}
.announce-bar-close:hover {
  background: rgba(255, 255, 255, 0.28);
}

@media (max-width: 640px) {
  .announce-bar {
    top: var(--nav-height);
    padding: 0 10px;
  }
  .announce-bar-pill {
    border-radius: 14px;
    flex-wrap: wrap;
  }
  .announce-bar-text {
    white-space: normal;
  }
}

/* ==========================================================================
   穴居人测试三问（品牌 hero 的 5 秒答案区）
   ========================================================================== */
.hero-answers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: var(--content-max);
  margin: 32px auto 0;
  text-align: left;
}

.hero-answer {
  padding: 20px;
  border-radius: 16px;
  background-color: var(--color-bg-card);
  box-shadow: 0 0 0 1px var(--color-border);
}

.hero-answer h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.hero-answer p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

@media (max-width: 767px) {
  .hero-answers {
    grid-template-columns: 1fr;
    margin-top: 24px;
  }
}

/* ==========================================================================
   节日 / 活动优惠券（js/promo.js 渲染，后台「优惠码」勾选官网展示即上架）
   ========================================================================== */
.section-promo .promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 8px;
}

.promo-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 16px;
  border-radius: 16px;
  background: linear-gradient(160deg, #fff6e8 0%, #ffe9d6 100%);
  box-shadow: 0 0 0 1px rgba(217, 72, 15, 0.18), 0 6px 18px rgba(0, 0, 0, 0.05);
}

/* 券口两侧半圆缺口，做出"票券"观感 */
.promo-card::before,
.promo-card::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  border-radius: 50%;
  background-color: var(--color-bg-primary);
}
.promo-card::before { left: -8px; }
.promo-card::after { right: -8px; }

.promo-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.promo-card-discount {
  font-size: 22px;
  font-weight: 700;
  color: #d9480f;
}

.promo-card-min {
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(217, 72, 15, 0.1);
  font-size: 12px;
  color: #a8621a;
}

.promo-card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.promo-card-sub {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.promo-card-code {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 12px;
  border: 1px dashed rgba(217, 72, 15, 0.45);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.75);
}

.promo-card-code-label {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.promo-card-code-value {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 16px;
  letter-spacing: 1px;
  color: #d9480f;
}

.promo-card-copy {
  margin-left: auto;
  padding: 2px 4px;
  border: 0;
  background: none;
  color: #1c6dd0;
  font-size: 13px;
  cursor: pointer;
}
.promo-card-copy:hover { text-decoration: underline; }

.promo-card-reveal {
  align-self: flex-start;
}

.promo-card-validity {
  margin: 0;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

@media (max-width: 767px) {
  .section-promo .promo-grid {
    grid-template-columns: 1fr;
  }
}