/* ============================================================
   GHWP 2026 全球医疗器械法规北京大会  样式表
   配色方案：深蓝底色（权威/专业）+ 青绿强调色（科技/创新）
   参考：GHWP 第2期(广州)学院培训主视觉 KV
   ============================================================ */

:root {
  --navy: #061a33;
  --navy-2: #041224;
  --navy-3: #0b3058;
  --teal: #00d4aa;
  --teal-light: #5ceccc;
  --teal-glow: rgba(0, 212, 170, 0.32);
  --ink: #1d2733;
  --muted: #5d6b7a;
  --line: #e4e9f0;
  --bg-alt: #f4f7fb;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(6, 26, 51, 0.08);
  --shadow-lg: 0 18px 50px rgba(6, 26, 51, 0.16);
  --maxw: 1180px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- 顶部导航（完全透明，浮在下方背景图之上） ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: transparent;
  border-bottom: none;
}
/* 首页不需要特殊处理，Hero 本身就有背景图 */
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
/* 首页：品牌区已隐藏但保留占位，导航链接位置不变 */
.brand-hidden { visibility: hidden; pointer-events: none; }
.brand-mark {
  font-weight: 800; letter-spacing: 1px; font-size: 18px;
  color: var(--navy-2); background: var(--teal);
  padding: 4px 9px; border-radius: 7px;
}
.brand-text { font-size: 15px; font-weight: 600; color: #d4e8f0; text-shadow: 0 1px 4px rgba(0,0,0,.35); }

.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  color: #b8d0e2; font-size: 14px; padding: 8px 11px; border-radius: 8px;
  transition: color .2s, background .2s; white-space: nowrap;
  text-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.site-nav a:hover { color: #fff; background: rgba(0, 212, 170, 0.1); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .25s; }

/* ---------- Hero（向上延伸覆盖导航栏，与导航栏共用 bg-home-full.jpg） ---------- */
.hero { position: relative; color: #fff; overflow: hidden; min-height: 520px; display: flex; align-items: flex-end; justify-content: center; margin-top: -64px; }
/* 首页 Hero 背景图（用户上传 bg-home-full.jpg，16667×6946，含 GHWP 第5期 branding） */
.hero-bg {
  position: absolute; inset: 0;
  background: url('../img/bg-home-full.jpg') center / cover no-repeat;
}
/* 深色蒙版：保证白色文字在亮色背景图上清晰可读 */
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(2, 12, 36, 0.10);
  pointer-events: none;
}

/* 内容层：浮在背景图之上，内部水平居中，底部留白避免按钮贴边 */
.hero-content { position: relative; z-index: 3; text-align: center; padding-bottom: 34px; }

/* ---------- 倒计时 ---------- */
.countdown {
  display: flex; gap: 14px; justify-content: center;
}
.cd-item {
  display: flex; flex-direction: column; align-items: center;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 10px; padding: 12px 18px;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  min-width: 76px;
}
.cd-num {
  font-size: 32px; font-weight: 800; line-height: 1.1;
  color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,.35);
}
.cd-label { font-size: 12px; color: rgba(255,255,255,.75); margin-top: 4px; letter-spacing: 1px; }

/* ---------- Hero 按钮组 ---------- */
.hero-actions { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; justify-content: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 700; text-decoration: none;
  transition: all .22s ease; cursor: pointer; border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal); color: #fff;
  box-shadow: 0 4px 16px rgba(0,212,170,.32);
}
.btn-primary:hover {
  background: #00c896; transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(0,212,170,.46);
}
.btn-ghost {
  background: rgba(255,255,255,.12); color: #fff;
  border: 1.5px solid rgba(255,255,255,.28);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.48);
}

/* ---------- 通用 section ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { margin-bottom: 36px; }
.section-kicker { font-size: 12px; letter-spacing: 3px; color: var(--teal); font-weight: 700; }
.section-title { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; color: var(--navy); margin-top: 8px; }
.sub-title { font-size: 18px; color: var(--navy); margin: 28px 0 16px; font-weight: 700; }

/* 报名页间距收紧（仅限定 register.html） */
.register-page .section { padding: 46px 0; }
.register-page .sub-title { margin: 18px 0 12px; }
.register-page .reg-online { padding: 20px 24px; }
.register-page .reg-online-info { gap: 8px; }
.register-page .reg-line { padding: 10px 14px; }
.register-page .reg-section-img { margin-top: 14px; }
.register-page .fee-img { margin-bottom: 16px; }
.register-page .fee-notes { padding: 18px; }
.register-page .fee-notes p { margin-bottom: 8px; }
.register-page .fee-account { margin-top: 12px; padding-top: 12px; }
.register-page .reg-flow-tip { margin-top: 18px; padding: 12px 16px; }

/* 本期活动介绍：导读卡片 */
.intro-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  padding: 28px 32px 26px;
  box-shadow: var(--shadow);
  margin-bottom: 26px;
}
.intro-card p {
  max-width: 880px;
  color: #34465c;
  font-size: 15.5px;
  line-height: 2;
  text-align: justify;
  margin: 0 0 14px;
}
.intro-card p:last-child { margin-bottom: 0; }

/* 活动介绍补充：大会亮点 / 总体安排 */
.intro-card .intro-h {
  margin: 22px 0 12px; padding-left: 13px;
  font-size: 17px; font-weight: 700; color: var(--navy);
  border-left: 3px solid var(--teal); line-height: 1.4;
}
.intro-card .intro-h:first-child { margin-top: 2px; }
.intro-card .intro-sub {
  margin: 18px 0 9px; font-size: 15.5px; font-weight: 700; color: var(--navy);
}
.intro-card .intro-lead {
  color: #34465c; font-size: 15px; line-height: 1.9; margin: 0 0 11px;
}
.intro-card .intro-list { list-style: none; margin: 4px 0 8px; padding: 0; }
.intro-card .intro-list li {
  position: relative; padding-left: 20px; margin-bottom: 9px;
  color: #34465c; font-size: 15px; line-height: 1.85;
}
.intro-card .intro-list li::before {
  content: ""; position: absolute; left: 3px; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
}

/* 占位提示样式 */
.placeholder { color: var(--muted); font-style: italic; }

/* ---------- 学院介绍 / 信息卡 ---------- */
.prose p { max-width: 820px; }
.card-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.info-card {
  background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--teal);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.info-card h3 { color: var(--navy); margin-bottom: 8px; }

/* ---------- 本期概览 ---------- */
.overview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.overview-item { display: flex; flex-direction: column; gap: 6px; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.overview-item:nth-child(odd) { border-right: 1px solid var(--line); }
.ov-k { font-size: 12px; letter-spacing: 2px; color: var(--teal); font-weight: 700; }
.ov-v { font-size: 16px; color: var(--ink); font-weight: 600; }

/* 组织架构 */
.org-block {
  display: grid; gap: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8px; overflow: hidden;
}
.org-group {
  display: grid; grid-template-columns: 132px 1fr; align-items: stretch;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fbfdff;
}
.org-label {
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(160deg, rgba(0,212,170,.16), rgba(0,180,150,.09));
  color: var(--navy); font-weight: 700; letter-spacing: 1px; font-size: 15px; padding: 14px 10px;
}
.org-units { display: flex; flex-wrap: wrap; gap: 10px; padding: 16px 18px; align-items: center; }
.org-unit {
  display: inline-flex; align-items: center;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--teal);
  border-radius: 8px; padding: 9px 14px; font-size: 14px; color: var(--navy); font-weight: 600;
  line-height: 1.4; box-shadow: var(--shadow);
}
.org-unit:hover { border-color: var(--teal); box-shadow: var(--shadow-lg); }

/* 专家团队（可展开） */
.toggle-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal); color: var(--navy-2); border: 0; cursor: pointer;
  font: inherit; font-weight: 700; font-size: 15px;
  padding: 11px 22px; border-radius: 999px; transition: background .2s;
}
.toggle-btn:hover { background: var(--teal-light); }
.toggle-btn .caret { transition: transform .25s; display: inline-block; }
.toggle-btn[aria-expanded="true"] .caret { transform: rotate(180deg); }

/* 专家团队：参考 WRC 会议嘉宾——分类 tab + 方形头像网格卡 + 点击详情弹窗 */
.expert-filter { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin: 6px 0 26px; }
.expert-tab {
  border: 1.5px solid var(--teal); background: #fff; color: var(--teal);
  padding: 9px 24px; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background .2s, color .2s, box-shadow .2s;
}
.expert-tab:hover { background: rgba(0, 212, 170, .10); }
.expert-tab.is-active { background: var(--teal); color: var(--navy-2); box-shadow: 0 6px 16px var(--teal-glow); }

.expert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 4px; }
.expert-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; text-align: center; cursor: pointer; box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column;
}
.expert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.expert-card.is-hidden { display: none; }
.expert-photo-wrap { width: 100%; aspect-ratio: 1 / 1; overflow: hidden; background: linear-gradient(135deg, var(--navy-3), var(--teal)); }
.expert-photo { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.expert-card:hover .expert-photo { transform: scale(1.05); }
.expert-card h4 { color: var(--navy); font-size: 16px; margin: 16px 12px 5px; }
.expert-card .expert-title { color: var(--teal); font-size: 13px; font-weight: 600; margin: 0 12px 16px; }
.expert-bio-full { display: none; }

/* 专家详情弹窗 */
.expert-modal { position: fixed; inset: 0; z-index: 1100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.expert-modal[hidden] { display: none; }
.expert-modal-backdrop { position: absolute; inset: 0; background: rgba(6, 26, 51, .55); backdrop-filter: blur(2px); }
.expert-modal-box {
  position: relative; background: #fff; border-radius: 18px; width: 100%; max-width: 540px; max-height: 88vh; overflow: auto;
  padding: 34px 30px; text-align: center; box-shadow: var(--shadow-lg); animation: expertPop .22s ease;
}
@keyframes expertPop { from { transform: translateY(14px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.expert-modal-close {
  position: absolute; top: 12px; right: 16px; width: 34px; height: 34px; border: 0; border-radius: 50%;
  background: var(--bg-alt); color: var(--navy); font-size: 20px; line-height: 1; cursor: pointer; transition: background .2s, color .2s;
}
.expert-modal-close:hover { background: var(--teal); color: #fff; }
.expert-modal-photo { width: 116px; height: 116px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; border: 3px solid var(--teal); }
.expert-modal-box h4 { color: var(--navy); font-size: 21px; }
.expert-modal-box .expert-title { color: var(--teal); font-size: 14px; font-weight: 600; margin: 4px 0 16px; }
.expert-modal-bio { color: var(--muted); font-size: 14px; line-height: 1.75; text-align: left; }
.expert-modal-bio br { margin-bottom: 4px; }

@media (max-width: 900px) { .expert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .expert-grid { grid-template-columns: 1fr; } }

/* ---------- 新闻 / 空状态 ---------- */
.news-list { display: grid; gap: 16px; }
.news-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); transition: transform .15s, box-shadow .2s; }
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.news-date { font-size: 13px; color: var(--teal); font-weight: 700; }
.news-title { font-size: 18px; color: var(--navy); margin: 6px 0; }
.news-excerpt { color: var(--muted); }

.empty-state {
  border: 2px dashed rgba(0, 212, 170, 0.25); border-radius: var(--radius);
  background: linear-gradient(135deg, #f0faf7, #f4faff); padding: 56px 22px; text-align: center; font-size: 16px;
  color: var(--muted);
}

/* ---------- 日程 ---------- */
.day-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.day-tab {
  background: #fff; border: 1px solid var(--line); color: var(--navy);
  padding: 10px 20px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 14px; transition: .2s;
}
.day-tab.active, .day-tab:hover { background: var(--teal); color: var(--navy-2); border-color: var(--teal); }
.agenda-day { display: none; }
.agenda-day.active { display: block; animation: dayFade .3s ease; }
@keyframes dayFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* 页头副标题 */
.page-sub { margin: 10px 0 0; color: var(--navy); font-size: 15px; font-weight: 600; }

/* 日期标题 */
.agenda-date-head {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 800; color: var(--navy);
  margin: 6px 0 14px; padding: 8px 16px;
  background: linear-gradient(135deg, rgba(0,212,170,.12), rgba(13,75,184,.06));
  border: 1px solid rgba(0,212,170,.3); border-radius: 999px;
}
.agenda-date-head::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(0,212,170,.18); }

/* ── 经典单列时间轴：竖线+圆点用绝对定位，内容全部在一个流里 ── */
.agenda-list { position: relative; padding-left: 40px; }
.agenda-list::before {
  content: ""; position: absolute; left: 13px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, var(--teal), rgba(0,212,170,.1));
  border-radius: 2px;
}
.agenda-block {
  position: relative;
  background: #fff; border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius); padding: 18px 22px;
  margin-bottom: 18px; box-shadow: var(--shadow);
}
.agenda-block::before {
  content: ""; position: absolute; left: -31px; top: 22px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--teal);
  box-shadow: 0 0 0 4px rgba(255,255,255,.95), 0 0 8px rgba(0,212,170,.2);
}
/* 时间胶囊 */
.time-badge {
  display: inline-block; font-weight: 700; color: var(--navy); font-size: 14px; line-height: 1.35;
  background: linear-gradient(135deg, rgba(0,212,170,.13), rgba(13,75,184,.06));
  border: 1px solid rgba(0,212,170,.28); padding: 5px 14px; border-radius: 999px;
  margin-bottom: 12px;
}
/* 非时间标签（同期/全天） */
.time-label {
  display: inline-block; font-weight: 700; color: var(--muted); font-size: 13px; line-height: 1.35;
  background: rgba(140,160,180,.08); border: 1px dashed rgba(140,160,180,.32);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 12px;
}
.agenda-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 9px; }
.tag {
  display: inline-flex; align-items: center; font-size: 12px; font-weight: 700;
  padding: 3px 11px; border-radius: 999px; line-height: 1.5;
}
.tag--parallel { background: rgba(0,212,170,.13); color: #0a8f73; border: 1px solid rgba(0,212,170,.45); }
.tag--closed { background: rgba(255,170,0,.14); color: #b26a00; border: 1px solid rgba(255,170,0,.45); }
.tag--event { background: rgba(70,110,255,.13); color: #2a4bd0; border: 1px solid rgba(70,110,255,.4); }
.agenda-topic {
  font-size: 17px; font-weight: 800; color: var(--navy);
  margin: 0 0 10px; line-height: 1.45;
}
.agenda-items { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.agenda-items li {
  position: relative; padding-left: 18px; color: var(--ink);
  font-size: 14.5px; line-height: 1.6;
}
.agenda-items li::before {
  content: ""; position: absolute; left: 2px; top: 9px;
  width: 6px; height: 6px; border-radius: 2px; background: var(--teal);
  transform: rotate(45deg);
}
.agenda-items li.note-lead { padding-left: 0; color: var(--navy); font-weight: 700; }
.agenda-items li.note-lead::before { display: none; }
.agenda-speaker { margin: 11px 0 0; font-size: 13.5px; color: var(--muted); font-style: italic; line-height: 1.6; }


/* ---------- 交通指南 ---------- */
/* ---------- 交通指南 ---------- */
.transport-intro { background: linear-gradient(135deg, rgba(0,212,170,.06), rgba(13,75,184,.04)); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 24px; box-shadow: var(--shadow); }
.transport-intro p { margin: 0; font-size: 14.5px; line-height: 1.7; color: var(--navy); }
.transport-intro p + p { margin-top: 8px; color: var(--muted); font-size: 13.5px; }

.transport-group { margin-bottom: 28px; }
.transport-group:last-child { margin-bottom: 0; }
.transport-group-title { display: flex; align-items: center; gap: 8px; font-size: 16.5px; font-weight: 700; color: var(--navy); margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid rgba(0,212,170,.25); }
.tg-icon { font-size: 20px; }

.transport-split { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: start; }
.transport-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.transport-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 16px; box-shadow: var(--shadow); text-align: center; transition: transform .2s, box-shadow .2s; position: relative; overflow: hidden; }
.transport-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--teal), #1559C8); opacity: 0; transition: opacity .2s; }
.transport-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(1,36,102,.12); }
.transport-card:hover::before { opacity: 1; }
.transport-card.tc-highlight { border-color: var(--teal); background: linear-gradient(180deg, rgba(0,212,170,.05), #fff); }
.transport-card.tc-highlight::before { opacity: 1; }

.tc-station { display: block; font-weight: 700; color: var(--navy); font-size: 15px; line-height: 1.35; margin-bottom: 12px; }
.tc-station small { font-weight: 400; color: var(--muted); font-size: 11.5px; letter-spacing: .02em; }
.tc-detail { display: flex; flex-direction: column; gap: 5px; }
.tc-distance { font-size: 26px; font-weight: 800; color: var(--teal); line-height: 1; }
.tc-distance span { font-size: 14px; font-weight: 600; color: var(--teal); margin-left: 2px; }
.tc-time { font-size: 14px; color: var(--navy-2); font-weight: 600; letter-spacing: .03em; }
.tc-method { font-size: 12px; color: var(--muted); margin-top: 4px; }

.transport-map { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow); cursor: zoom-in; position: sticky; top: 14px; }
.transport-map img { width: 100%; height: auto; display: block; transition: opacity .2s; }
.transport-map:hover img { opacity: .9; }
.transport-map figcaption { padding: 8px 14px; font-size: 12px; color: var(--muted); text-align: center; background: #f8fafc; border-top: 1px solid var(--line); }
.transport-map figcaption::before { content: "🔍 "; }

/* 交通指南：点击放大灯箱 */
.lb-overlay { position: fixed; inset: 0; background: rgba(2,12,36,.9); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; z-index: 9999; padding: 24px; cursor: zoom-out; opacity: 0; visibility: hidden; transition: opacity .25s; }
.lb-overlay.open { opacity: 1; visibility: visible; }
.lb-overlay img { max-width: 94vw; max-height: 84vh; width: auto; height: auto; border-radius: 10px; box-shadow: 0 12px 48px rgba(0,0,0,.55); }
.lb-hint { color: #b9c8da; font-size: 13px; letter-spacing: .04em; }

/* ---------- 历届回顾（参照世界机器人大会论坛） ---------- */
.review-note { margin-bottom: 26px; max-width: 820px; color: var(--muted); font-size: 15px; }

/* ---------- 文章列表页（review-session） ---------- */
.session-summary p { margin-bottom: 0; }
.article-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.article-item {
  display: flex; align-items: center; gap: 18px;
  background: #fff; border: 1px solid var(--line);
  border-left: 3px solid var(--teal); border-radius: var(--radius);
  padding: 18px 22px; box-shadow: var(--shadow);
  text-decoration: none; transition: .2s;
}
.article-item:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-lg);
  border-left-color: var(--teal-light);
}
.article-num {
  flex: 0 0 44px; height: 44px;
  background: linear-gradient(160deg, rgba(0,212,170,.14), rgba(0,180,150,.08));
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: var(--teal);
}
.article-body { flex: 1; min-width: 0; }
.article-title {
  margin: 0 0 4px; font-size: 15px; font-weight: 700;
  color: var(--navy); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-brief { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }
.article-arrow {
  flex: 0 0 auto; font-size: 20px; color: var(--teal);
  transition: transform .2s;
}
.article-item:hover .article-arrow { transform: translateX(4px); }

/* ---------- 文章详情页 ---------- */
.page-desc { font-size: 15px; color: rgba(255,255,255,.75); margin-top: 6px; opacity: .9; }
.article-content { line-height: 1.85; font-size: 15px; }
.article-content p { margin-bottom: 16px; text-align: justify; }
.article-content h3 + p { margin-top: 8px; }
.article-fig { margin: 24px 0; text-align: center; }
.article-fig img { max-width: 100%; max-height: 540px; width: auto; height: auto; display: inline-block; border-radius: 10px; box-shadow: var(--shadow); cursor: zoom-in; }
.article-fig + p { margin-top: 4px; font-size: 13px; color: var(--muted); text-align: center; }

/* 历届回顾：忠实还原 PDF 版面（绝对定位层） */
.pdf-page { margin: 18px auto; max-width: 860px; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.pdf-page-img { display: block; width: 100%; height: auto; cursor: zoom-in; }

/* 图片直播二维码 */
.live-qr-card {
  margin-top: 32px; padding: 28px;
  background: linear-gradient(160deg, rgba(0,212,170,.08), rgba(21,89,200,.06));
  border: 1px solid rgba(0,212,170,.25); border-radius: var(--radius);
  display: flex; align-items: center; gap: 28px;
}
.live-qr-info { flex: 1; }
.live-qr-info h4 { margin: 0 0 6px; font-size: 17px; color: var(--navy); }
.live-qr-info p { margin: 0; font-size: 14px; color: var(--muted); }
.live-qr-img {
  flex: 0 0 auto; width: 120px; height: 120px;
  background: #fff; border-radius: 12px; padding: 6px;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.live-qr-img img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }

/* 文章导航 */
.article-nav { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.review-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; box-shadow: var(--shadow); transition: .2s; display: block; }
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--teal); }
.review-year { font-size: 13px; color: var(--teal); font-weight: 800; letter-spacing: 1px; }
.review-card h3 { color: var(--navy); font-size: 17px; margin: 8px 0; }
.review-card p { color: var(--muted); font-size: 14px; min-height: 42px; }
.review-link { color: var(--navy); font-weight: 700; font-size: 14px; }
.review-card:hover .review-link { color: var(--teal); }

/* ---------- 注册报名 ---------- */
.reg-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); max-width: 860px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 16px; }
.form-full { display: block; margin-bottom: 16px; }
.reg-form label { font-size: 14px; color: var(--navy); font-weight: 600; display: flex; flex-direction: column; gap: 6px; }
.reg-form input, .reg-form select, .reg-form textarea {
  font: inherit; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: #fbfcfe; color: var(--ink); transition: border .2s, box-shadow .2s;
}
.reg-form input:focus, .reg-form select:focus, .reg-form textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,212,170,.16);
}
.form-hint { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* ---------- 注册流程 ---------- */
.reg-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 10px; }
.flow-card { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--teal); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.flow-tag { display: inline-block; background: var(--teal); color: var(--navy-2); font-size: 12px; padding: 3px 12px; border-radius: 999px; font-weight: 700; margin-bottom: 10px; }
.flow-card h4 { color: var(--navy); font-size: 16px; }
.flow-card p { color: var(--muted); font-size: 14px; margin-top: 6px; }

/* 在线报名：信息行 + 二维码 */
.reg-online { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: center; background: linear-gradient(135deg, rgba(0,212,170,.06), rgba(13,75,184,.04)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; box-shadow: var(--shadow); }
.reg-online-info { display: grid; gap: 12px; }
.reg-line { display: flex; gap: 14px; align-items: baseline; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--teal); border-radius: 10px; padding: 14px 18px; box-shadow: var(--shadow); }
.reg-key { flex: 0 0 84px; font-weight: 700; color: var(--teal); font-size: 15px; }
.reg-val { color: var(--navy); font-size: 15px; line-height: 1.6; }
.reg-online-note { color: var(--muted); font-size: 13.5px; line-height: 1.7; margin: 4px 2px 0; }
.reg-online-qr { display: flex; justify-content: center; }
.qr-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px 18px; box-shadow: var(--shadow); text-align: center; width: 100%; max-width: 300px; }
.qr-img { width: 200px; height: 200px; margin: 0 auto 14px; border-radius: 12px; overflow: hidden; background: #f4f7fb; display: flex; align-items: center; justify-content: center; }
.qr-img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.qr-title { color: var(--navy); font-size: 17px; margin-bottom: 6px; }
.qr-tip { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* ---------- 报名流程图 ---------- */
.reg-flow-section { background: var(--bg-alt); }
.reg-flow-intro { color: var(--muted); font-size: 15px; margin-bottom: 28px; max-width: 720px; }
.reg-flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reg-flow-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.reg-flow-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.reg-flow-type {
  font-size: 19px; font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
  position: relative;
  padding-left: 14px;
}
.reg-flow-type::before {
  content: "";
  position: absolute; left: 0; top: 3px;
  width: 4px; height: 20px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--teal), #0d4bb8);
}
.reg-flow-desc {
  font-size: 13.5px; line-height: 1.7;
  color: var(--muted);
  margin-bottom: 16px;
}
.reg-flow-img {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fafbfc;
}
.reg-flow-img img {
  width: 100%; height: auto;
  display: block;
  object-fit: contain;
  cursor: zoom-in;
  transition: opacity .2s ease;
}
.reg-flow-img img:hover { opacity: .92; }

/* 报名页图片区块（报名时间、培训费用）可点击放大 */
.reg-section-img {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}
.reg-section-img img {
  width: 100%; height: auto;
  display: block;
  object-fit: contain;
  cursor: zoom-in;
  transition: opacity .2s ease;
}
.reg-section-img img:hover { opacity: .92; }
.fee-img { margin-bottom: 24px; }

.reg-flow-tip {
  text-align: center;
  font-size: 14px;
  color: var(--muted);
  margin-top: 30px;
  padding: 14px 20px;
  background: rgba(0,212,170,.06);
  border-radius: var(--radius);
  border: 1px dashed var(--teal-light);
}
.reg-flow-tip a { color: var(--teal); font-weight: 600; }
.reg-flow-tip a:hover { text-decoration: underline; }

/* 报名页编号标题 */
.reg-section-title { display: flex; align-items: center; gap: 12px; }
.reg-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  color: #fff; font-size: 15px; font-weight: 700;
}

/* 报名流程图 */
.reg-flow-chart { margin-top: 34px; text-align: center; }
.reg-flow-chart-title {
  display: inline-block;
  background: linear-gradient(90deg, var(--navy), var(--teal));
  color: #fff; padding: 9px 30px; border-radius: 22px;
  font-size: 16px; font-weight: 600; margin-bottom: 20px;
}
.reg-flow-chart img { max-width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }

/* 报名时间时间轴 */
.reg-timeline-section { background: var(--bg-alt); }
.reg-timeline {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; flex-wrap: wrap;
}
.reg-tl-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; text-align: center; min-width: 150px;
  box-shadow: var(--shadow);
}
.reg-tl-date { font-weight: 700; color: var(--navy); font-size: 15px; margin-bottom: 6px; }
.reg-tl-label { color: var(--muted); font-size: 13px; }
.reg-tl-arrow { color: var(--teal); font-size: 22px; font-weight: 700; }

/* 培训费用 */
.fee-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 28px; }
.fee-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 18px; text-align: center; box-shadow: var(--shadow);
}
.fee-type { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 10px; line-height: 1.4; }
.fee-desc { font-size: 14px; color: var(--muted); line-height: 1.5; }
.fee-notes {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.fee-notes p { margin-bottom: 12px; line-height: 1.7; color: var(--navy); }
.fee-account { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); }
.fee-account p { margin-bottom: 6px; color: var(--navy); }
.fee-earlybird { font-size: 15px; color: var(--navy); }
.fee-earlybird strong { font-weight: 700; }

@media (max-width: 900px) {
  .reg-flow-grid { grid-template-columns: 1fr; gap: 20px; }
  .fee-cards { grid-template-columns: 1fr; }
  .register-page .section { padding: 36px 0; }
}

@media (max-width: 760px) {
  .reg-timeline { flex-direction: column; }
  .reg-tl-arrow { transform: rotate(90deg); }
}

/* ---------- 新闻中心 ---------- */
.page-desc { color: var(--muted); font-size: 15px; line-height: 1.8; max-width: 820px; margin: 0 auto 34px; text-align: center; }
.news-list { display: grid; gap: 20px; max-width: 880px; margin: 0 auto; }
.news-item {
  display: flex; gap: 22px; align-items: stretch;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 12px;
  padding: 22px 24px;
  box-shadow: var(--shadow);
  text-decoration: none; color: inherit;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal-light);
}
.news-date {
  flex: 0 0 70px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(160deg, rgba(0,212,170,.10), rgba(13,75,184,.06));
  border-radius: 10px;
  padding: 12px 0;
}
.news-date .nd-day { font-size: 28px; font-weight: 800; line-height: 1; color: var(--navy); }
.news-date .nd-ym { font-size: 12px; color: var(--teal); letter-spacing: 1px; margin-top: 6px; }
.news-body { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.news-source { font-size: 12px; letter-spacing: 1px; color: var(--teal); font-weight: 700; }
.news-source::before { content: "·"; margin-right: 8px; color: var(--muted); }
.news-title { font-size: 18px; line-height: 1.5; font-weight: 700; color: var(--navy); margin: 0 0 8px; }
.news-item:hover .news-title { color: #0a8f7a; }
.news-excerpt {
  font-size: 14px; line-height: 1.75; color: var(--muted);
  margin: 0 0 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--teal); }
.news-more .arrow { transition: transform .2s ease; }
.news-item:hover .news-more .arrow { transform: translateX(4px); }

@media (max-width: 600px) {
  .news-item { flex-direction: column; gap: 14px; padding: 18px 18px; }
  .news-date { flex-direction: row; gap: 10px; justify-content: flex-start; padding: 8px 14px; align-self: flex-start; }
  .news-date .nd-ym { margin-top: 0; }
}

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.contact-item { padding: 20px 24px; border-bottom: 1px solid var(--line); }
.contact-item:nth-child(odd) { border-right: 1px solid var(--line); }
.ct-k { display: block; font-size: 12px; letter-spacing: 2px; color: var(--teal); font-weight: 700; }
.ct-v { font-size: 16px; font-weight: 600; color: var(--ink); }
.contact-item:last-child { border-bottom: 0; }
/* 联系方式：两张名片卡，清晰对齐 */
.contact-item--wide { grid-column: 1 / -1; border-right: 0; }
.ct-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 14px; }
.ct-card {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(0,212,170,.06), rgba(13,75,184,.05));
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 10px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.ct-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.ct-avatar {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy-3), var(--navy));
  color: #fff; font-size: 19px; font-weight: 700;
}
.ct-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ct-role { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.ct-name { font-size: 16px; font-weight: 700; color: var(--navy); }
.ct-tel {
  font-size: 14.5px; font-weight: 700; color: #0a8f73;
  font-variant-numeric: tabular-nums; letter-spacing: .3px; text-decoration: none;
}
.ct-tel:hover { text-decoration: underline; }
/* 组织单位：持续更新占位 */
.org-unit.org-more { color: var(--muted); font-style: italic; }

/* ---------- 页脚（背景图 + 深色蒙版保文字清晰） ---------- */
.site-footer {
  position: relative;
  background: url('../img/bg-footer.jpg') center center / cover no-repeat;
  color: #b8cce0;
}
.site-footer::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(2,12,36,0.10);
  pointer-events: none;
}
.footer-inner { display: flex; justify-content: space-between; gap: 30px; padding: 44px 22px; flex-wrap: wrap; position: relative; z-index: 1; }
.footer-brand .brand-mark { display: inline-block; margin-bottom: 10px; }
.footer-brand p { color: #d4e8f0; font-weight: 600; max-width: 520px; }
.footer-sub { color: #94aabf !important; font-weight: 400 !important; font-size: 14px; margin-top: 2px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: flex-start; }
.footer-nav a { color: #b8cce0; font-size: 14px; }
.footer-nav a:hover { color: var(--teal-light); }

/* 页脚公众号二维码 */
.footer-qr {
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-qr img {
  width: 120px; height: 120px;
  border-radius: 10px;
  background: #fff;
  padding: 6px;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
  flex-shrink: 0;
}
.qr-text { text-align: left; }
.footer-qr .qr-title {
  font-size: 16px; font-weight: 700; color: #d4e8f0;
  margin: 0 0 6px;
}
.qr-desc {
  font-size: 13px; color: #94aabf; line-height: 1.6;
  margin: 0;
}

.footer-bottom { border-top: 1px solid rgba(0,212,170,.1); padding: 16px 0; font-size: 13px; color: #8ba3b8; position: relative; z-index: 1; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- 多页结构：导航高亮 / 首页 hub / 子页头图 / 面包屑 ---------- */
/* 导航当前页高亮 */
.site-nav a.active { color: #fff; background: rgba(0, 212, 170, 0.16); }

/* 首页：模块入口导航 */
.hub-modules { background: var(--bg-alt); }
.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.module-card {
  display: flex; flex-direction: column; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .2s, border-color .2s;
}
.module-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--teal); }
.module-icon {
  font-size: 24px; width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(0,212,170,.16), rgba(13,75,184,.08));
}
.module-card h3 { color: var(--navy); font-size: 18px; }
.module-card p { color: var(--muted); font-size: 13.5px; line-height: 1.6; flex: 1; }
.module-more { color: var(--teal); font-weight: 700; font-size: 14px; margin-top: 4px; }
.module-card:hover .module-more { color: var(--navy-3); }

/* 首页：本期速览摘要 */
.hub-summary .overview-grid { margin-top: 8px; }
.hub-summary .btn { margin-top: 26px; }

/* 子页头图 banner（向上延伸覆盖导航栏，实现导航栏+banner共用一张图） */
.page-head {
  position: relative; color: #fff; overflow: hidden;
  background: url('../img/bg-subpages.jpg') center / cover no-repeat;
  margin-top: -64px;
  padding-top: calc(38px + 64px);
  padding-bottom: 42px;
}
.page-head::after {
  content: ""; position: absolute; inset: 0;
  background: rgba(2, 12, 36, 0.10);
  pointer-events: none;
}
.page-head .container { position: relative; z-index: 1; }
.breadcrumb { font-size: 13px; color: #9fc0d8; margin-bottom: 14px; letter-spacing: .02em; }
.breadcrumb a { color: #9fc0d8; }
.breadcrumb a:hover { color: var(--teal-light); }
.breadcrumb .sep { margin: 0 8px; opacity: .6; }
.breadcrumb .current { color: #fff; font-weight: 600; }
.page-title { font-size: clamp(26px, 3.6vw, 36px); font-weight: 800; letter-spacing: 1px; margin-top: 6px; }
.page-head .section-kicker { color: var(--teal-light); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .card-row, .overview-grid, .contact-grid, .form-row { grid-template-columns: 1fr; }
  .overview-item:nth-child(odd), .contact-item:nth-child(odd) { border-right: 0; }
  .ct-cards { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .transport-grid, .reg-flow { grid-template-columns: repeat(2, 1fr); }
  .transport-split { grid-template-columns: 1fr; gap: 18px; }
  .transport-map { position: static; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .agenda-list { padding-left: 32px; }
  .agenda-block { padding: 14px 16px; margin-bottom: 14px; }
  .agenda-block::before { left: -25px; top: 18px; width: 12px; height: 12px; }
  .agenda-topic { font-size: 15.5px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--navy-2); flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 16px 20px; display: none; border-bottom: 1px solid rgba(0,212,170,.1);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 8px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .section { padding: 54px 0; }
  .hero-stats { gap: 26px; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-brand { text-align: center; }
  .footer-brand p { max-width: 100%; }
  .footer-qr { flex-direction: column; text-align: center; }
  .qr-text { text-align: center; }
  /* 手机竖屏：Hero 按竖版背景图比例完整显示；倒计时+按钮整体上移，贴近主办单位 */
  .hero {
    min-height: auto;
    aspect-ratio: 1371 / 1920;
    align-items: flex-end;
    overflow: hidden;
  }
  .hero-bg {
    background-image: url('../img/bg-hero-mobile.jpg?v=20260806a');
    background-position: center top;
    background-size: cover;
  }
  .hero-content {
    padding-bottom: 18%;
    padding-top: 0;
  }
  .countdown { gap: 8px; transform-origin: center top; }
  .cd-item {
    min-width: 56px;
    padding: 8px 10px;
    border-radius: 8px;
  }
  .cd-num { font-size: 22px; }
  .cd-label { font-size: 11px; margin-top: 2px; }
  .hero-actions {
    gap: 10px;
    margin-top: 12px;
  }
  .hero-actions .btn {
    padding: 9px 22px;
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .expert-grid, .review-grid, .transport-grid, .reg-flow { grid-template-columns: 1fr; }
  .org-group { grid-template-columns: 1fr; }
  .reg-online { grid-template-columns: 1fr; gap: 20px; padding: 22px 20px; }
  .register-page .reg-online { padding: 16px; }
  .reg-online-qr { justify-content: center; }
  .org-label { padding: 11px 10px; }
  .countdown { gap: 8px; }
  .transport-intro { padding: 14px 16px; }
  .module-grid { grid-template-columns: 1fr; }
  .tc-distance { font-size: 22px; }
  .cd-item { min-width: 68px; padding: 10px 12px; }
  .cd-num { font-size: 24px; }
  .article-item { flex-wrap: wrap; gap: 12px; padding: 14px 16px; }
  .article-num { flex: 0 0 38px; height: 38px; font-size: 14px; }
  .article-arrow { display: none; }
  .live-qr-card { flex-direction: column; text-align: center; padding: 22px 18px; }
  .live-qr-img { width: 140px; height: 140px; }
  .article-nav { flex-direction: column; }
  .article-nav .btn { text-align: center; }
}