/* ============================================================
   医界望远镜·肿瘤前沿 — 正式首页样式（合流自 KimiCode_K2_V1，落实用户批注）
   概念：黎明观测台 × 走进大会 · 专家观点 · 领域聚焦
   浅蓝白天空画布 × 深海军蓝文字 × 品牌光束橙红
   ============================================================ */

:root {
  --bg-0: #f3f6fc;
  --bg-1: #e9eff9;
  --bg-2: #ffffff;
  --glass: rgba(255, 255, 255, 0.62);
  --line: rgba(18, 48, 108, 0.1);
  --line-strong: rgba(18, 48, 108, 0.24);
  --ink: #0f2450;
  --ink-dim: rgba(15, 36, 80, 0.7);
  --ink-faint: rgba(15, 36, 80, 0.48);
  --beam: #ff4a2d;
  --beam-2: #f26a35;
  --beam-deep: #e83d1f;
  --signal: #d98e00;
  --signal-bright: #ffc53d;
  --navy: #0c1a36;
  --navy-ink: #eef4fd;
  /* 正式站不依赖公网字体：标题保留衬线角色、正文保留无衬线角色，均使用稳定系统中文字体栈。 */
  --serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif SC", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", monospace;
  --radius: 18px;
  --radius-sm: 12px;
  --nav-h: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-card: 0 2px 6px rgba(15, 36, 80, 0.05), 0 18px 44px rgba(15, 36, 80, 0.08);
  --shadow-lift: 0 8px 18px rgba(15, 36, 80, 0.08), 0 30px 60px rgba(15, 36, 80, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.chip-mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

::selection { background: rgba(255, 74, 45, 0.25); }

/* ---------------- 通用元件 ---------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--beam);
  box-shadow: 0 0 12px rgba(255, 74, 45, 0.6);
  animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
              background 0.35s, border-color 0.35s, color 0.35s;
  white-space: nowrap;
}

.btn-lg { padding: 14px 28px; font-size: 15.5px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }

.btn-beam {
  background: linear-gradient(120deg, var(--beam) 0%, var(--beam-2) 100%);
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 74, 45, 0.32);
}

.btn-beam:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(255, 74, 45, 0.45);
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.btn-ghost:hover {
  border-color: var(--beam);
  color: var(--beam-deep);
  transform: translateY(-2px);
}

.btn-arrow { transition: transform 0.3s var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.tag {
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-dim);
  font-size: 13px;
  transition: all 0.3s var(--ease-out);
}

.tag:hover {
  border-color: var(--beam);
  color: var(--beam-deep);
  background: rgba(255, 74, 45, 0.06);
  transform: translateY(-1px);
}

.tag-sm { padding: 5px 12px; font-size: 12px; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.03em;
}

.chip-beam {
  border-color: rgba(255, 74, 45, 0.5);
  color: var(--beam-deep);
  background: rgba(255, 74, 45, 0.08);
  font-weight: 700;
}

/* ---------------- 导航 ---------------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}

/* 默认状态：悬浮于顶部品牌横幅之上，文字反白，让光束衬在导航后 */
.brand-lockup {
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s var(--ease-out);
}

.nav.scrolled .brand-lockup {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.nav-inner {
  max-width: 1360px;
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-lens {
  width: 38px; height: 38px;
  border-radius: 11px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 3px rgba(255, 197, 61, 0.15), 0 4px 14px rgba(15, 36, 80, 0.16);
  flex-shrink: 0;
}

.brand-lens img { width: 100%; height: 100%; object-fit: cover; }

.brand-text { display: flex; align-items: baseline; gap: 8px; }

.brand-text strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.brand-text em {
  font-style: normal;
  font-size: 12px;
  color: #b07800;
  border: 1px solid rgba(217, 142, 0, 0.45);
  background: rgba(255, 197, 61, 0.14);
  border-radius: 4px;
  padding: 1px 7px;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 10px rgba(12, 26, 54, 0.35);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s, font-size 0.35s var(--ease-out);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: linear-gradient(90deg, var(--beam), var(--signal-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { transform: scaleX(1); }

.nav.scrolled .nav-links a { color: var(--ink-dim); text-shadow: none; font-size: 13.5px; }
.nav.scrolled .nav-links a:hover { color: var(--ink); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-search-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 14px;
  transition: all 0.3s;
}

.nav-search-btn:hover { border-color: rgba(255, 255, 255, 0.8); background: rgba(255, 255, 255, 0.22); color: #fff; }

.nav.scrolled .nav-search-btn {
  padding: 7px 14px;
  font-size: 12.5px;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-dim);
}

.nav.scrolled .nav-search-btn:hover { border-color: var(--line-strong); color: var(--ink); background: rgba(255, 255, 255, 0.8); }

.nav-cta {
  padding: 12px 24px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--beam-deep);
  box-shadow: 0 6px 20px rgba(12, 26, 54, 0.28);
  transition: all 0.35s var(--ease-out);
}

.nav-cta:hover { box-shadow: 0 10px 26px rgba(12, 26, 54, 0.34); }

.nav.scrolled .nav-cta {
  padding: 8px 16px;
  font-size: 12.5px;
  background: linear-gradient(120deg, var(--beam) 0%, var(--beam-2) 100%);
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 74, 45, 0.32);
}

.nav.scrolled .nav-cta:hover { box-shadow: 0 10px 32px rgba(255, 74, 45, 0.45); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.35s var(--ease-out), opacity 0.3s, background 0.3s;
}

.nav.scrolled .nav-burger span { background: var(--ink); }
.nav-burger.open span { background: var(--ink); }

.nav-burger.open span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(243, 246, 252, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}

.mobile-menu.open { opacity: 1; pointer-events: auto; }

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}

.mobile-menu nav a {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
}

.mobile-menu-note { color: var(--ink-faint); font-size: 13px; }
.mobile-menu nav a.mobile-menu-myco {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  margin-top: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(37, 76, 175, 0.25);
  border-radius: 12px;
  background: rgba(37, 76, 175, 0.08);
  color: var(--beam-deep);
  font-weight: 700;
}

/* ---------------- 首屏 · 黎明观测台 ---------------- */

.hero {
  position: relative;
  overflow: visible;
  padding: 64px 0 90px;
}

.hero-bg {
  position: absolute;
  inset: -6%;
  background: url("/assets/home/img/img-01-hero-deepfield.jpg") center / cover no-repeat;
  transform: scale(1.06);
  animation: heroDrift 40s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 46% at 76% 44%, rgba(255, 122, 69, 0.1), transparent 70%),
    linear-gradient(180deg, rgba(243, 246, 252, 0.1) 0%, rgba(243, 246, 252, 0) 45%, var(--bg-0) 100%);
}

@keyframes heroDrift {
  from { transform: scale(1.03); }
  to   { transform: scale(1.06); }
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 48, 108, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 48, 108, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(75% 65% at 50% 42%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 65% at 50% 42%, #000 30%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}

.hero-top {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 56px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(44px, 5.6vw, 84px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.02em;
  margin: 26px 0 22px;
  color: var(--ink);
}

.hl {
  background: linear-gradient(100deg, var(--beam-deep) 10%, var(--beam-2) 55%, var(--signal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: clamp(15px, 1.25vw, 17.5px);
  color: var(--ink-dim);
  max-width: 34em;
}

/* ---- 首屏栏目速览 ---- */

.hero-readout {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  padding: 10px 22px;
}

.readout-col {
  display: flex;
  width: 100%;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 2px;
  border-bottom: 1px solid rgba(18, 48, 108, 0.08);
  text-align: left;
  transition: padding-left 0.3s var(--ease-out);
}

.readout-col:last-child { border-bottom: none; }
.readout-col:hover { padding-left: 8px; }

.readout-key {
  font-size: 14px;
  font-weight: 700;
  color: var(--beam-deep);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.readout-col b { font-weight: 400; font-size: 13px; letter-spacing: 0.02em; text-align: right; color: var(--ink-dim); }

/* ---- 顶部品牌横幅 ---- */

.top-banner {
  position: relative;
  margin: 0;
  aspect-ratio: 3676 / 441;
  overflow: hidden;
  background: var(--navy);
}

.top-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}

/* ---- 首屏操作台 ---- */

.hero-deck { position: relative; z-index: 3; }

.hero-search-wrap {
  position: relative;
  z-index: 8;
  margin: 40px auto 0;
  max-width: 640px;
}

.hero-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 6px 6px 6px 20px;
  max-width: 640px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  color: var(--ink-faint);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.hero-search:focus-within {
  border-color: var(--signal-bright);
  box-shadow: 0 0 0 4px rgba(255, 197, 61, 0.2), var(--shadow-lift);
}

.hero-search input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  outline: none;
  color: var(--ink);
  font-size: 15px;
  font-family: var(--sans);
}

.hero-search input::placeholder { color: var(--ink-faint); }

.search-go {
  padding: 10px 24px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--beam), var(--beam-2));
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
  transition: filter 0.3s, transform 0.3s var(--ease-out);
}

.search-go:hover { filter: brightness(1.08); transform: scale(1.03); }

.search-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0; right: 0;
  z-index: 30;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 16px 18px;
  box-shadow: var(--shadow-lift);
}

.search-panel-head {
  font-size: 12px;
  color: #b07800;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.search-panel-item {
  font-size: 13.5px;
  color: var(--ink-dim);
  padding: 8px 4px;
  border-top: 1px solid rgba(18, 48, 108, 0.08);
}

.search-panel-item span {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 6px;
}

.hero-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 30px;
}

.hero-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags-label {
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  margin-right: 2px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--ink-faint);
  transition: color 0.3s;
}

.hero-scroll:hover { color: var(--ink); }

.hero-scroll-line {
  width: 1px; height: 42px;
  background: linear-gradient(180deg, currentColor, transparent);
  animation: scrollHint 2.2s var(--ease-out) infinite;
}

@keyframes scrollHint {
  0% { transform: scaleY(0); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: top; }
  56% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------------- 观测带 ---------------- */

.ticker {
  background: var(--navy);
  overflow: hidden;
  padding: 13px 0;
  position: relative;
  z-index: 2;
}

.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(238, 244, 253, 0.5);
  animation: ticker 46s linear infinite;
  will-change: transform;
}

.ticker-track span:first-child { color: var(--signal-bright); font-weight: 700; }
.ticker-track i { font-style: normal; color: var(--beam-2); }

@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------------- 通用区块 ---------------- */

.section { padding: 120px 0 40px; position: relative; }

.section-band {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-bottom: 100px;
}

.section-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-head { max-width: 720px; margin-bottom: 56px; }

.section-title {
  font-family: var(--serif);
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.3;
  margin: 20px 0 16px;
  color: var(--ink);
}

.section-sub { color: var(--ink-dim); font-size: 15.5px; }

/* ============================================================
   走进大会 — Bento Grid
   ============================================================ */

.conf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.conf-card {
  position: relative;
  display: flex;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  /* 卡片主体不承担跳转，真实入口为卡内 CTA 链接，避免整卡伪装可点。 */
  cursor: default;
  transition: transform 0.45s var(--ease-out), border-color 0.35s, box-shadow 0.45s var(--ease-out);
}

.conf-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--beam), var(--signal-bright));
  opacity: 0;
  transition: opacity 0.35s;
}

.conf-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 74, 45, 0.45);
  box-shadow: var(--shadow-lift);
}

.conf-card:hover::before { opacity: 1; }

.conf-card-inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 32px 32px 28px;
}

.conf-year {
  color: var(--ink-faint);
  font-size: 10px;
}

.conf-name {
  font-family: var(--serif);
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 900;
  letter-spacing: 0.02em;
  margin: 12px 0 6px;
  color: var(--ink);
}

.conf-full {
  font-size: 13.5px;
  color: var(--ink-dim);
}

.conf-separator {
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--beam), var(--signal-bright));
  margin: 18px 0;
  border-radius: 1px;
}

.conf-highlight {
  margin-bottom: 18px;
}

.conf-hl-label {
  color: var(--beam-2);
  display: block;
  margin-bottom: 8px;
}

.conf-hl-title {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-strong);
  background: rgba(233, 239, 249, 0.5);
}

.conf-hl-note {
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 8px;
  font-style: italic;
}

.conf-guideline-list {
  margin-bottom: 18px;
}

.conf-guideline-list ul {
  list-style: none;
  margin-top: 10px;
}

.conf-guideline-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 14px;
  color: var(--ink-dim);
  border-top: 1px solid rgba(18, 48, 108, 0.06);
}

.conf-guideline-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 16px;
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--beam-2);
}

.conf-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.conf-tag {
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-dim);
}

.conf-cta { margin-top: auto; }

/* 指南卡特殊样式 */
.conf-card-guidelines {
  border-color: rgba(217, 142, 0, 0.25);
}

.conf-card-guidelines::before {
  background: linear-gradient(90deg, var(--signal), var(--signal-bright));
}

.conf-card-guidelines:hover {
  border-color: rgba(217, 142, 0, 0.55);
}

/* ============================================================
   专家观点
   ============================================================ */

.expert-featured {
  margin-bottom: 28px;
}

.expert-card-hero {
  border-color: rgba(255, 74, 45, 0.25);
  background:
    radial-gradient(80% 80% at 100% 0%, rgba(255, 74, 45, 0.06), transparent 55%),
    var(--bg-2);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 74, 45, 0.25);
  box-shadow: var(--shadow-card);
  padding: 36px 40px 32px;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
}

.expert-card-hero:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.expert-card-header {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.expert-avatar {
  width: 64px; height: 64px;
  border-radius: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 900;
  font-size: 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--navy) 0%, rgba(15, 36, 80, 0.85) 100%);
  box-shadow: 0 4px 12px rgba(12, 26, 54, 0.25);
  /* 姓名头像需容纳三字中文名，保持单行且居中。 */
  white-space: nowrap;
  letter-spacing: 0;
}

.expert-avatar-initials {
  background: linear-gradient(135deg, var(--navy) 0%, rgba(15, 36, 80, 0.85) 100%);
}

.expert-avatar-roundtable {
  background: linear-gradient(135deg, var(--beam-deep) 0%, var(--beam-2) 100%);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.expert-meta { flex: 1; min-width: 0; }

.expert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.expert-title {
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 10px;
}

.expert-viewpoint {
  font-size: 15px;
  color: var(--ink-dim);
  line-height: 1.7;
  font-style: italic;
  border-left: 3px solid var(--beam);
  padding-left: 16px;
  margin-top: 6px;
}

.expert-bio {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.expert-bio summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  padding: 6px 0;
  transition: color 0.3s;
  list-style: none;
}

.expert-bio summary::-webkit-details-marker { display: none; }

.expert-bio summary::before {
  content: "▸ ";
  color: var(--beam);
  transition: transform 0.3s var(--ease-out);
  display: inline-block;
}

.expert-bio[open] summary::before {
  transform: rotate(90deg);
}

.expert-bio summary:hover { color: var(--ink); }

.expert-bio-content {
  padding: 12px 0 4px;
}

.expert-bio-content ul {
  list-style: none;
}

.expert-bio-content li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.6;
}

.expert-bio-content li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--signal);
}

/* 专家网格 */
.expert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.expert-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
  box-shadow: var(--shadow-card);
  padding: 28px 28px 24px;
  transition: transform 0.45s var(--ease-out), border-color 0.35s, box-shadow 0.45s var(--ease-out);
}

.expert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 74, 45, 0.35);
  box-shadow: var(--shadow-lift);
}

.expert-card .expert-avatar {
  width: 52px; height: 52px;
  border-radius: 14px;
  font-size: 16px;
}

.expert-card .expert-title {
  font-size: clamp(15px, 1.5vw, 17px);
}

.expert-card .expert-viewpoint {
  font-size: 13.5px;
  margin-top: 8px;
}

/* 专家区底部 */
.expert-footer {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.expert-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.expert-filter-label {
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

/* ============================================================
   领域聚焦（原内容发现）
   ============================================================ */

.discover-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.discover-tile {
  position: relative;
  text-align: left;
  padding: 38px 40px 34px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.45s var(--ease-out), border-color 0.35s, box-shadow 0.45s var(--ease-out);
}

.discover-tile::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--beam), var(--signal-bright));
  opacity: 0;
  transition: opacity 0.35s;
}

.discover-tile:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 74, 45, 0.45);
  box-shadow: var(--shadow-lift);
}

.discover-tile:hover::before { opacity: 1; }

.discover-key { color: var(--beam-2); }

.discover-tile h3 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.03em;
  margin: 14px 0 12px;
  color: var(--ink);
}

.discover-tags { color: var(--ink-dim); font-size: 14px; max-width: 30em; }

.discover-arrow {
  position: absolute;
  right: 34px;
  top: 38px;
  font-size: 20px;
  color: var(--ink-faint);
  transition: transform 0.35s var(--ease-out), color 0.3s;
}

.discover-tile:hover .discover-arrow { transform: translateX(6px); color: var(--beam-deep); }

/* ---------------- 页脚（深海军蓝锚点） ---------------- */

.footer {
  margin-top: 0;
  border-top: 1px solid rgba(148, 178, 255, 0.16);
  background:
    radial-gradient(70% 120% at 50% 130%, rgba(255, 74, 45, 0.14), transparent 60%),
    var(--navy);
  color: var(--navy-ink);
}

.footer-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 64px 32px 40px;
  display: flex;
  justify-content: space-between;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-tagline {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: 17px;
  color: rgba(238, 244, 253, 0.78);
  letter-spacing: 0.08em;
}

.footer-lockup { display: inline-block; }

.footer-lockup img { height: 96px; width: auto; }

.footer-links { display: flex; gap: 72px; flex-wrap: wrap; }

.footer-key { color: rgba(238, 244, 253, 0.5); margin-bottom: 14px; }

.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(238, 244, 253, 0.72);
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--signal-bright); }

.footer-legal {
  max-width: 1360px;
  margin: 0 auto;
  padding: 22px 32px 34px;
  border-top: 1px solid rgba(148, 178, 255, 0.12);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-legal p { font-size: 12.5px; color: rgba(238, 244, 253, 0.5); max-width: 62em; }
.footer-legal .chip-mono { letter-spacing: 0.14em; }

/* ---------------- Toast ---------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 24px);
  z-index: 200;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 197, 61, 0.5);
  background: rgba(12, 26, 54, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--navy-ink);
  font-size: 13.5px;
  box-shadow: 0 18px 50px rgba(15, 36, 80, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
  max-width: min(90vw, 520px);
  text-align: center;
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------------- 进入动效 ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }
.reveal[data-delay="5"] { transition-delay: 0.5s; }

.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1100px) {
  .nav-links { display: none; }
  .hero-top { grid-template-columns: 1fr; gap: 28px; align-items: start; }
  .hero-readout { max-width: 520px; }

  .conf-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .expert-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  :root { --nav-h: 64px; }
  .nav-inner { padding: 0 20px; gap: 16px; }
  .nav-search-btn span { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }

  .hero { padding-top: 44px; padding-bottom: 70px; }
  .hero-inner { padding: 0 20px; }
  .hero-scroll { display: none; }
  .hero-title { margin-top: 20px; }

  .top-banner { aspect-ratio: 16 / 7; }
  .top-banner img { object-position: 0% 50%; }
  .eyebrow { font-size: 10px; letter-spacing: 0.1em; }

  .hero-search { margin-top: 32px; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 22px; }
  .hero-ctas { width: 100%; }

  .br-pc { display: none; }
  .section { padding: 88px 0 24px; }
  .section-band { padding-bottom: 64px; }
  .section-inner { padding: 0 20px; }
  .section-head { margin-bottom: 40px; }

  /* 走进大会 */
  .conf-grid { grid-template-columns: 1fr; }
  .conf-card-inner { padding: 24px 24px 22px; }
  .conf-name { font-size: clamp(22px, 6vw, 28px); }

  /* 专家观点 */
  .expert-card-hero { padding: 24px 24px 22px; }
  .expert-card-header { flex-direction: column; gap: 16px; }
  .expert-card { padding: 22px 22px 20px; }
  .expert-footer { flex-direction: column; align-items: flex-start; }

  /* 领域聚焦 */
  .discover-grid { grid-template-columns: 1fr; gap: 14px; }
  .discover-tile { padding: 30px 26px 28px; }
  .discover-arrow { right: 24px; top: 30px; }

  /* 页脚 */
  .footer { margin-top: 0; }
  .footer-inner { padding: 48px 20px 28px; gap: 36px; }
  .footer-links { gap: 44px; }
  .footer-legal { padding: 20px 20px 30px; }
  .footer-lockup img { height: 76px; }
}

@media (max-width: 400px) {
  .brand-text strong { font-size: 16px; }
  .hero-ctas .btn { flex: 1; justify-content: center; }
  .search-go { padding: 10px 18px; }

  .expert-tags .chip { font-size: 11px; padding: 3px 10px; }
}

/* ---------------- 截图模式（?capture） ---------------- */

html.capture .hero { min-height: 0; padding-bottom: 60px; }
html.capture .hero-bg { animation: none; }
html.capture .hero-scroll { display: none; }

/* ============================================================
   正式合流补充：诚实状态 / 检索结果 / 专家筛选
   ============================================================ */

/* 尚无正式路径的大会卡（CSCO 指南会）：保留视觉，去除可点暗示与悬浮位移。 */
.conf-card-static { cursor: default; }
.conf-card-static:hover { transform: none; border-color: rgba(217, 142, 0, 0.25); box-shadow: var(--shadow-card); }
.conf-card-static:hover::before { opacity: 0; }

.conf-status-note {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px dashed var(--line-strong);
  background: rgba(233, 239, 249, 0.6);
  color: var(--ink-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.conf-status-note::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal);
  flex-shrink: 0;
}

/* 领域聚焦：说明卡不再暗示可点击；有真实筛选入口的卡片单独给出明确链接。 */
.discover-tile { cursor: default; }
.discover-tile:hover {
  transform: none;
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}
.discover-tile:hover::before { opacity: 0; }
.discover-note {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}
.discover-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.discover-entries a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid rgba(37, 76, 175, 0.22);
  border-radius: 11px;
  background: rgba(37, 76, 175, 0.06);
  color: var(--beam-deep);
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s, border-color 0.25s;
}
.discover-entries a:hover { background: rgba(37, 76, 175, 0.13); border-color: rgba(37, 76, 175, 0.36); }
.discover-entries a span { font-size: 13px; }
.discover-tile-linked { border-color: rgba(37, 76, 175, 0.18); }

/* 首屏 MyCO 引导卡：次级动作，样式与主按钮同族但层级有别。 */
.myco-guide {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 30px rgba(12, 27, 58, 0.1);
}
.myco-guide-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0c1b3a, #254caf);
  color: #ffffff;
}
.myco-guide-copy { display: grid; gap: 4px; min-width: 0; }
.myco-guide-kicker { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; color: var(--beam-deep); margin: 0; }
.myco-guide-copy h2 { margin: 0; font-size: 17px; color: var(--ink); }
.myco-guide-copy p:last-child { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--ink-dim); }
.myco-guide-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0c1b3a, #254caf);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(37, 76, 175, 0.26);
}
.myco-guide-cta:hover { box-shadow: 0 12px 26px rgba(37, 76, 175, 0.32); }
@media (max-width: 760px) {
  .myco-guide { grid-template-columns: auto minmax(0, 1fr); }
  .myco-guide-cta { grid-column: 1 / -1; justify-content: center; }
}

/* 专家筛选：被过滤掉的卡片隐藏。 */
.expert-card[hidden], .expert-featured[hidden] { display: none; }
.tag.is-active {
  border-color: var(--beam);
  color: var(--beam-deep);
  background: rgba(255, 74, 45, 0.1);
}

/* 专家区“更多”为诚实静态说明，不承担跳转。 */
.expert-more-note {
  font-size: 13.5px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* 页脚中尚无正式路径的大会条目：与导航链接同列对齐，但不可点击。 */
.footer-static {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(238, 244, 253, 0.4);
  letter-spacing: 0.02em;
}

/* 锚点滚动避开固定导航。 */
section[id] { scroll-margin-top: 88px; }

/* 首屏检索结果面板（读取三大会正式目录）。 */
.search-results { list-style: none; max-height: min(52vh, 28rem); overflow: auto; }
.search-more {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 8px 6px;
  color: var(--beam-deep);
  background: transparent;
  text-align: left;
  font-size: 13px;
}
.search-error,
.search-warning { font-size: 12.5px; padding: 6px 4px; }
.search-error { color: #a6443d; }
.search-warning { color: #8a5a12; }
.search-result-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 6px;
  border-top: 1px solid rgba(18, 48, 108, 0.08);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.25s, padding-left 0.25s var(--ease-out);
}
.search-result-item:first-child { border-top: none; }
.search-result-item:hover { background: rgba(255, 74, 45, 0.05); padding-left: 12px; }
.search-result-kind {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--beam-deep);
  border: 1px solid rgba(255, 74, 45, 0.4);
  border-radius: 4px;
  padding: 1px 7px;
}
.search-result-text { min-width: 0; }
.search-result-title {
  font-size: 13.5px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-result-meta { font-size: 11.5px; color: var(--ink-faint); margin-top: 2px; }
.search-empty { font-size: 13px; color: var(--ink-faint); padding: 6px 4px; }
.search-suggest { list-style: none; }
.search-suggest button {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 13.5px;
  color: var(--ink-dim);
  padding: 8px 4px;
  border-top: 1px solid rgba(18, 48, 108, 0.08);
  transition: color 0.25s, padding-left 0.25s var(--ease-out);
}
.search-suggest button:first-child { border-top: none; }
.search-suggest button:hover { color: var(--beam-deep); padding-left: 10px; }
.search-suggest button span {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 6px;
}

/* ---------------- 动效偏好 ---------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}