/* ==========================================================
   competition/competition.css — 竞赛版块专属样式
   基于官网 v2 设计令牌（--ink/--navy/--gold/--paper...）增量扩展
   覆盖：竞赛首页 / 国内白名单 / 国际赛事 三页共用组件
   注意：不重复定义官网已有的 .wrap/.sec-head/.sec-no/.sec-title/.sec-note/.btn/.hero/.steps
   ========================================================== */

/* ---------- 页头（资源库两页，照片 + 深蓝遮罩 + 白字） ---------- */
.page-head {
  position: relative;
  color: #F7F3EA;
  background-color: var(--navy-3);
  overflow: hidden;
}
.page-head::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.page-head.ph-domestic::before {
  background-image: url('assets/media/C27-96412993.jpg');
  opacity: .38;
}
.page-head.ph-global::before {
  background-image: url('assets/media/C3-84425515.jpg');
  opacity: .34;
}
.page-head .ph-in {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(84px, 14vh, 150px) var(--pad) clamp(40px, 6vw, 64px);
}
.ph-back {
  display: inline-block;
  color: rgba(247,243,234,.72);
  font-size: 13px;
  letter-spacing: .02em;
  margin-bottom: clamp(20px, 4vw, 40px);
  text-decoration: none;
  transition: color .2s;
}
.ph-back:hover { color: #FFFFFF; }
.ph-eyebrow {
  color: var(--gold-l);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.page-head h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.15;
  color: #FFFFFF;
  font-weight: 700;
  letter-spacing: .01em;
}
.ph-lede {
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 42em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247,243,234,.82);
}
.ph-lede b { color: var(--gold-l); font-weight: 600; }
.ph-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 44px);
}
.ph-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: clamp(18px, 4vw, 44px);
  border-right: 1px solid var(--line-dark);
}
.ph-stat:last-child { border-right: 0; padding-right: 0; }
.ph-stat b {
  font-family: var(--num);
  font-size: clamp(22px, 3vw, 30px);
  color: #FFFFFF;
  font-weight: 400;
}
.ph-stat span {
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(247,243,234,.66);
}

/* ---------- 章节通用 ---------- */
.chapter {
  padding: clamp(64px, 9vw, 128px) 0;
}
.chapter.alt {
  background: var(--paper-2);
}
.chapter .wrap {
  display: block;
}

/* ---------- 信任条 ---------- */
.strip {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
}
.strip-text {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
}
.strip-text strong {
  color: var(--gold);
  font-weight: 600;
  margin-right: 6px;
}

/* ---------- 三支柱 ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
}
.pillar {
  padding: clamp(26px, 3vw, 34px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .2s, transform .2s;
}
.pillar:hover { border-color: var(--gold); transform: translateY(-2px); }
.pillar-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(160,118,46,.1);
  border-radius: 10px;
  font-size: 20px;
  margin-bottom: 18px;
}
.pillar-title {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--ink);
  font-weight: 700;
}
.pillar-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 双入口卡 ---------- */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
}
.entry-card {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 34px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration: none;
  transition: border-color .22s, transform .22s, box-shadow .22s;
}
.entry-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(9,24,39,.09);
}
.entry-ico {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(160,118,46,.1);
  border-radius: 11px;
  font-size: 22px;
  margin-bottom: 20px;
}
.entry-h3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--ink);
  font-weight: 700;
}
.entry-p {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
  flex: 1 1 auto;
}
.entry-btn {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .01em;
}

/* ---------- 五阶服务闭环 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-top: clamp(28px, 4vw, 44px);
}
.flow .step {
  background: var(--paper);
  padding: clamp(22px, 2.4vw, 30px) clamp(18px, 2vw, 24px);
}
.flow .step-no {
  display: block;
  font-family: var(--num);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.flow .step h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.4;
}
.flow .step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 差异化对照表 ---------- */
.cmp-table {
  margin-top: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
}
.cmp-head {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--navy);
  color: rgba(247,243,234,.8);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.cmp-head > div {
  padding: 14px 18px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.cmp-head > div:last-child { border-right: 0; }
.cmp-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(160,118,46,.06);
}
.cmp-row > div {
  padding: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.cmp-row > div:last-child { border-right: 0; }

/* ---------- 目标客群 ---------- */
.personas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
}
.persona {
  padding: clamp(26px, 3vw, 34px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 12px;
}
.persona-icon { font-size: 22px; margin-bottom: 14px; }
.persona h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--ink);
  font-weight: 700;
}
.persona p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 路径时间轴 ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
  counter-reset: tl;
}
.timeline-item {
  position: relative;
  padding: clamp(24px, 2.6vw, 30px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.timeline-item::before {
  counter-increment: tl;
  content: counter(tl, decimal-leading-zero);
  position: absolute;
  top: clamp(24px, 2.6vw, 30px);
  right: clamp(24px, 2.6vw, 30px);
  font-family: var(--num);
  font-size: 22px;
  color: rgba(160,118,46,.22);
  line-height: 1;
}
.timeline-stage {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--gold);
}
.timeline-item h3 {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.45;
  padding-right: 2em;
}
.timeline-item p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 交付物 ---------- */
.deliverables {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(28px, 4vw, 44px);
}
.deliverable {
  padding: clamp(22px, 2.4vw, 28px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.deliverable h4 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--gold);
  font-weight: 700;
}
.deliverable p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 价格体系 ---------- */
.price-tier {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(28px, 4vw, 44px);
  align-items: stretch;
}
.price-card {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 34px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: center;
}
.price-card h3 {
  margin: 0 0 14px;
  font-size: 17px;
  color: var(--ink);
  font-weight: 700;
}
.price-value {
  margin: 0 0 12px;
  font-family: var(--num);
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--gold);
  line-height: 1.3;
}
.price-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 结尾 CTA ---------- */
.comp-cta {
  padding: clamp(72px, 10vw, 140px) 0;
  background: var(--navy-3);
  color: #F7F3EA;
  text-align: center;
}
.comp-cta .wrap { display: block; }
.comp-cta h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 4vw, 40px);
  color: #FFFFFF;
  font-weight: 700;
}
.comp-cta p {
  margin: 0 auto 32px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247,243,234,.78);
}
.comp-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ---------- 赛事工具：筛选 chips + 搜索 ---------- */
.evt-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: clamp(24px, 4vw, 40px) 0 clamp(20px, 3vw, 32px);
}
.evt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 auto;
}
.evt-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-2);
  font: inherit;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap;
}
.evt-chip i {
  font-style: normal;
  font-family: var(--num);
  color: var(--ink-3);
  margin-left: 4px;
  font-size: 12px;
}
.evt-chip:hover { border-color: var(--gold); color: var(--ink); }
.evt-chip.is-on {
  background: var(--navy);
  border-color: var(--navy);
  color: #F7F3EA;
}
.evt-chip.is-on i { color: rgba(247,243,234,.7); }
.evt-search { flex: 0 1 260px; }
.evt-search input {
  width: 100%;
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  padding: 10px 14px;
  border-radius: 999px;
  outline: none;
  transition: border-color .18s;
}
.evt-search input:focus { border-color: var(--gold); }
.evt-search input::placeholder { color: var(--ink-3); }

/* ---------- 赛事列表（两页共用） ---------- */
.evt-list { display: block; }
.evt-group { margin-bottom: clamp(32px, 5vw, 56px); }
.evt-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.evt-group-head h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}
.evt-group-head span {
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.evt-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .18s, box-shadow .18s;
}
.evt-item[open] { border-color: var(--gold); box-shadow: 0 6px 18px rgba(9,24,39,.08); }
.evt-item summary { list-style: none; }
.evt-item summary::-webkit-details-marker { display: none; }
.evt-sum {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
}
.evt-sum:hover { background: rgba(22,34,44,.02); }
.evt-badge {
  flex: 0 0 auto;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .05em;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.evt-badge--sci { background: rgba(15,39,64,.08); color: var(--navy); }
.evt-badge--hum { background: rgba(160,118,46,.12); color: #8A6520; }
.evt-badge--art { background: rgba(160,118,46,.12); color: #8A6520; }
.evt-sum-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.evt-sum-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.evt-sum-en {
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.4;
}
.evt-sum-meta {
  flex: 0 1 auto;
  font-size: 12.5px;
  color: var(--ink-3);
  max-width: 18em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.evt-caret {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  position: relative;
}
.evt-caret::before,
.evt-caret::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 9px;
  height: 1.5px;
  background: var(--ink-3);
  transition: transform .2s ease;
}
.evt-caret::before { left: 0; transform: rotate(45deg); }
.evt-caret::after { right: 0; transform: rotate(-45deg); }
.evt-item[open] .evt-caret::before { transform: rotate(-45deg); }
.evt-item[open] .evt-caret::after { transform: rotate(45deg); }
.evt-detail {
  padding: 4px 18px 18px;
  border-top: 1px dashed var(--line);
  margin: 0;
}
.evt-dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0 0 16px;
  padding: 16px 0 0;
}
.evt-dl > div { min-width: 0; }
.evt-dl dt {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 5px;
}
.evt-dl dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-2);
  word-break: break-word;
}
.evt-cta {
  margin: 0;
  font-size: 13px;
  color: var(--ink-3);
}
.evt-cta a {
  color: var(--gold);
  font-weight: 600;
  text-decoration: none;
}
.evt-cta a:hover { text-decoration: underline; }
.evt-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--ink-3);
  font-size: 14px;
}
.evt-note {
  margin-top: clamp(24px, 4vw, 40px);
  padding: 16px 20px;
  background: var(--paper-2);
  border-left: 3px solid var(--gold);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 46em;
}
.evt-note b { color: var(--ink); }

/* ---------- 三级赛事组合法 ---------- */
.level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(24px, 4vw, 40px);
}
.level {
  padding: clamp(24px, 3vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.level-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--gold);
  background: rgba(160,118,46,.1);
  padding: 5px 12px;
  border-radius: 999px;
  margin: 0 0 16px;
}
.level h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--ink);
}
.level p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1120px) {
  .flow { grid-template-columns: repeat(3, 1fr); }
  .deliverables { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 980px) {
  .pillars,
  .entry-grid,
  .personas,
  .price-tier { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; }
  .evt-dl { grid-template-columns: 1fr; gap: 12px; }
  .level-grid { grid-template-columns: 1fr; }
  .evt-sum-meta { max-width: 14em; }
  .cmp-head, .cmp-row { grid-template-columns: 1fr; }
  .cmp-head > div, .cmp-row > div { border-right: 0; }
  .cmp-head > div { border-bottom: 1px solid rgba(255,255,255,.1); }
}
@media (max-width: 640px) {
  .ph-stats { gap: 14px 22px; }
  .ph-stat { padding-right: 22px; }
  .evt-sum { gap: 10px; }
  .evt-sum-meta { max-width: 100%; white-space: normal; }
  .evt-tools { flex-direction: column; align-items: stretch; }
  .evt-search { flex: 1 1 auto; }
  .timeline { grid-template-columns: 1fr; }
  .deliverables { grid-template-columns: 1fr; }
}