/* ===========================
   浙大新加坡项目 · 主样式
   主色：浙大蓝 #003B7E
   点缀：培根橙 #F39C12
   =========================== */

:root {
  --zju-blue: #003B7E;
  --zju-blue-dark: #002a5c;
  --zju-blue-light: #1a5cad;
  --zju-blue-50: #eef4fb;
  --zju-blue-100: #d6e4f3;
  --beacon-orange: #F39C12;
  --beacon-orange-dark: #d97f0a;
  --ink: #1a1a1a;
  --ink-soft: #404040;
  --ink-mute: #6b6b6b;
  --ink-light: #9a9a9a;
  --line: #e4e4e7;
  --line-soft: #f1f1f3;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --bg-warm: #faf8f4;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 40px rgba(0, 59, 126, 0.08);
  --radius: 8px;
  --radius-lg: 16px;
  --font-cn: "Noto Serif SC", "Songti SC", "宋体", serif;
  --font-cn-sans: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Playfair Display", "Noto Serif SC", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部公告条 ===== */
.topbar {
  background: var(--zju-blue-dark);
  color: #fff;
  font-size: 12.5px;
  letter-spacing: 0.02em;
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 24px;
}
.topbar-tag {
  background: var(--beacon-orange);
  color: #fff;
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 11.5px;
  font-weight: 600;
  flex-shrink: 0;
}
.topbar-text { opacity: 0.92; flex: 1; }
.topbar-links {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.topbar-links a {
  color: var(--beacon-orange);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: opacity 0.18s;
}
.topbar-links a:hover { opacity: 0.8; color: #fff; }
.topbar-sep { color: rgba(255,255,255,0.3); }
@media (max-width: 720px) {
  .topbar-links { display: none; }
  .topbar-text { font-size: 11.5px; line-height: 1.5; }
}

/* ===== 导航 ===== */
.header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.94);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  background: var(--zju-blue);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 16px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.brand-cn {
  font-family: var(--font-cn);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.brand-en {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--ink-light);
  letter-spacing: 0.04em;
  margin-top: 2px;
}
.nav {
  display: flex;
  gap: 18px;
  flex: 1;
  justify-content: center;
  font-size: 13.5px;
  flex-wrap: nowrap;
  min-width: 0;
}
.nav a {
  color: var(--ink-soft);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.18s;
  white-space: nowrap;
}
@media (max-width: 1180px) {
  .nav { gap: 14px; font-size: 12.5px; }
  .brand-en { display: none; }
  .brand-cn { font-size: 13.5px; }
}
@media (max-width: 980px) {
  .nav { gap: 10px; font-size: 11.5px; }
}
.nav a:hover {
  color: var(--zju-blue);
  border-bottom-color: var(--beacon-orange);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.18s;
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--zju-blue);
  color: #fff;
  border-color: var(--zju-blue);
}
.btn-primary:hover {
  background: var(--zju-blue-dark);
  border-color: var(--zju-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 59, 126, 0.25);
}
.btn-ghost {
  background: transparent;
  color: var(--zju-blue);
  border-color: var(--zju-blue);
}
.btn-ghost:hover {
  background: var(--zju-blue);
  color: #fff;
}
.btn-lg {
  padding: 14px 32px;
  font-size: 15px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 80px 0 90px;
  overflow: hidden;
  background: linear-gradient(180deg, #fafcff 0%, #ffffff 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 85% 10%, rgba(243, 156, 18, 0.06), transparent 60%),
    radial-gradient(ellipse 80% 60% at 10% 90%, rgba(0, 59, 126, 0.05), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  margin-bottom: 30px;
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 100px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--beacon-orange);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2); }
  50% { box-shadow: 0 0 0 6px rgba(243, 156, 18, 0); }
}
.hero-title {
  font-family: var(--font-cn);
  font-size: clamp(34px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--zju-blue);
  letter-spacing: 0.06em;
  margin-bottom: 30px;
}
.hero-sub {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.85;
  max-width: 760px;
  margin-bottom: 50px;
}
.hero-sub strong {
  color: var(--zju-blue);
  font-weight: 700;
  background: linear-gradient(180deg, transparent 70%, rgba(243, 156, 18, 0.25) 70%);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
}
.stat {
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  color: var(--zju-blue);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.stat-num small {
  font-size: 16px;
  font-weight: 500;
  margin-left: 3px;
  color: var(--ink-mute);
}
.stat-label {
  font-size: 12.5px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.hero-meta {
  font-size: 13px;
  color: var(--ink-light);
}
.hero-meta .dot { margin: 0 8px; }

/* ===== 通用 section ===== */
section { padding: 80px 0; }

.section-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--beacon-orange);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-cn);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  line-height: 1.3;
}
.section-title.light { color: #fff; }
.section-note {
  font-size: 14.5px;
  color: var(--ink-mute);
  margin-bottom: 50px;
  max-width: 720px;
}

/* ===== Quick Facts ===== */
.quickfacts {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
}
.fact {
  padding: 24px 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.fact:nth-child(3n) { border-right: none; }
.fact-key {
  font-family: var(--font-en);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  color: var(--zju-blue);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.fact-val {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
  margin-bottom: 6px;
}
.fact-sub {
  font-size: 12.5px;
  color: var(--ink-mute);
  line-height: 1.55;
}

/* ===== 黄金三角 ===== */
.triangle {
  background: var(--zju-blue);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.triangle::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 90% 20%, rgba(243, 156, 18, 0.15), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(255, 255, 255, 0.05), transparent 60%);
  pointer-events: none;
}
.triangle .section-eyebrow { color: var(--beacon-orange); }
.triangle .section-note { color: rgba(255,255,255,0.7); }
.tri-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  margin-top: 40px;
}
.tri-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 32px 28px;
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.tri-flag {
  font-size: 36px;
  margin-bottom: 18px;
  line-height: 1;
}
.tri-name {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.tri-issuer {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--beacon-orange);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}
.tri-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,0.85);
}
.tri-desc strong { color: #fff; }
.tri-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--beacon-orange);
  font-weight: 600;
  border-bottom: 1px solid rgba(243, 156, 18, 0.4);
  padding-bottom: 1px;
}
.tri-link:hover { color: #fff; border-bottom-color: #fff; }
.tri-disclaimer {
  position: relative;
  margin-top: 30px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 900px;
}

/* ===== 升学路径 ===== */
.pathway-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin-top: 40px;
}
.pathway-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
}
.pathway-arrow {
  display: grid;
  place-items: center;
  font-size: 26px;
  color: var(--beacon-orange);
  font-weight: 300;
  padding: 0 14px;
}
.step-no {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--beacon-orange);
  font-weight: 700;
  margin-bottom: 10px;
}
.step-loc {
  font-size: 12.5px;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.step-title {
  font-family: var(--font-cn);
  font-size: 19px;
  font-weight: 700;
  color: var(--zju-blue);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.step-duration {
  font-size: 13px;
  color: var(--ink-soft);
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.step-list {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.85;
}
.step-list li::before {
  content: "◆";
  color: var(--beacon-orange);
  margin-right: 8px;
  font-size: 9px;
  vertical-align: middle;
}
.step-choice {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 6px;
}
.choice {
  padding: 14px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.choice-tag {
  display: inline-block;
  background: var(--zju-blue);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.choice-or {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  color: var(--beacon-orange);
}
.step-note {
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--ink-light);
  line-height: 1.6;
}

/* ===== 专业 ===== */
.majors { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.major-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.major-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: all 0.2s;
}
.major-card:hover {
  border-color: var(--zju-blue-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.major-no {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--beacon-orange);
  font-weight: 700;
  margin-bottom: 14px;
}
.major-title {
  font-family: var(--font-cn);
  font-size: 28px;
  font-weight: 700;
  color: var(--zju-blue);
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.major-en {
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--ink-mute);
  font-weight: 500;
  margin: 6px 0 18px;
}
.major-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}
.major-courses-title {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.major-courses ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 18px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.major-courses li::before {
  content: "·";
  color: var(--beacon-orange);
  margin-right: 8px;
  font-weight: 700;
}
.major-disclaimer {
  margin-top: 24px;
  font-size: 12px;
  color: var(--ink-light);
}

/* ===== 合作院校 ===== */
.uni-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 40px;
}
.uni-card {
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all 0.2s;
}
.uni-card:hover {
  border-color: var(--zju-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.uni-name {
  font-family: var(--font-en);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--zju-blue);
  line-height: 1.35;
  margin-bottom: 6px;
}
.uni-cn {
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
.uni-tag {
  font-size: 11px;
  color: var(--ink-mute);
  padding: 2px 8px;
  background: var(--bg-soft);
  border-radius: 3px;
  display: inline-block;
  letter-spacing: 0.02em;
}
.uni-disclaimer {
  margin-top: 24px;
  font-size: 12px;
  color: var(--ink-light);
}

/* ===== 录取 ===== */
.admission { background: var(--bg-soft); border-top: 1px solid var(--line); }
.adm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
  margin-bottom: 60px;
}
.adm-block {
  padding: 28px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-left: 3px solid var(--beacon-orange);
}
.adm-h {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 700;
  color: var(--zju-blue);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.adm-block ul { font-size: 14px; color: var(--ink-soft); line-height: 1.9; }
.adm-block li::before {
  content: "◆";
  color: var(--beacon-orange);
  margin-right: 10px;
  font-size: 9px;
}
.adm-note {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink-light);
}
.adm-block strong { color: var(--zju-blue); }

.steps-title {
  font-family: var(--font-cn);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.steps-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px;
  position: relative;
}
.sc-no {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: var(--zju-blue-100);
  line-height: 1;
  margin-bottom: 12px;
}
.sc-t {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
  font-weight: 500;
}
.sc-t span {
  display: block;
  font-size: 11px;
  color: var(--ink-light);
  margin-top: 4px;
  font-weight: 400;
}

/* ===== 优势 ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.why-card {
  padding: 32px 28px;
  background: #fff;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.2s;
}
.why-card:hover { background: var(--zju-blue-50); }
.why-card:nth-child(3n) { border-right: none; }
.why-card:nth-last-child(-n+3) { border-bottom: none; }
.why-no {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 900;
  color: var(--zju-blue-100);
  line-height: 1;
  margin-bottom: 16px;
}
.why-h {
  font-family: var(--font-cn);
  font-size: 17px;
  font-weight: 700;
  color: var(--zju-blue);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.why-card p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* ===== 时间线 ===== */
.timeline { background: var(--bg-soft); border-top: 1px solid var(--line); }
.tl-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 18px;
  margin-top: 40px;
}
.tl-item {
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  border-radius: var(--radius);
}
.tl-item.current { border-top-color: var(--beacon-orange); background: #fff8ec; }
.tl-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-mute);
  font-weight: 600;
  margin-bottom: 10px;
}
.tl-item.current .tl-badge { color: var(--beacon-orange-dark); }
.tl-h {
  font-family: var(--font-cn);
  font-size: 16px;
  font-weight: 700;
  color: var(--zju-blue);
  margin-bottom: 10px;
  line-height: 1.4;
}
.tl-item p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--zju-blue) 0%, var(--zju-blue-dark) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 0%, rgba(243, 156, 18, 0.15), transparent 60%);
}
.cta-inner { position: relative; }
.cta h2 {
  font-family: var(--font-cn);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.cta p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 30px;
}
.cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.cta .btn-primary {
  background: var(--beacon-orange);
  border-color: var(--beacon-orange);
}
.cta .btn-primary:hover {
  background: var(--beacon-orange-dark);
  border-color: var(--beacon-orange-dark);
}
.cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.4); }
.cta .btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.cta-foot { font-size: 12.5px; color: rgba(255,255,255,0.6); }

/* ===== 联系 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.cc-tag {
  font-family: var(--font-en);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--beacon-orange);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.cc-h {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 700;
  color: var(--zju-blue);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.cc-row {
  display: flex;
  font-size: 13.5px;
  color: var(--ink-soft);
  padding: 6px 0;
  border-top: 1px dashed var(--line);
}
.cc-row span {
  flex-shrink: 0;
  width: 60px;
  color: var(--ink-light);
  font-size: 12.5px;
}
.cc-row a { color: var(--zju-blue); }
.cc-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--ink-light);
  line-height: 1.6;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ===== 页脚 ===== */
.footer {
  background: #0f1419;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
  font-size: 13px;
}
.footer-top {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.footer-brand .brand-mark { background: var(--zju-blue); }
.footer-cn {
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}
.footer-en {
  font-family: var(--font-en);
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  margin-top: 4px;
}
.footer-note { line-height: 1.85; font-size: 12.5px; color: rgba(255,255,255,0.55); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 22px;
}
.fc-h {
  font-family: var(--font-cn);
  font-size: 14px;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  color: rgba(255,255,255,0.6);
  font-size: 12.5px;
  transition: color 0.18s;
}
.footer-col a:hover { color: var(--beacon-orange); }
.footer-bottom {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom .dot { margin: 0 8px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav { gap: 16px; font-size: 12.5px; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(3n) { border-right: 1px solid var(--line); }
  .fact:nth-child(2n) { border-right: none; }
  .pathway-track { grid-template-columns: 1fr; }
  .pathway-arrow { transform: rotate(90deg); padding: 14px 0; }
  .step-choice { grid-template-columns: 1fr; }
  .choice-or { padding: 8px 0; }
  .uni-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-card:nth-child(3n) { border-right: 1px solid var(--line); }
  .why-card:nth-child(2n) { border-right: none; }
  .why-card:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .why-card:nth-last-child(-n+2) { border-bottom: none; }
  .tl-row { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .steps-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .header-inner { padding: 12px 16px; }
  .nav { display: none; }
  .container { padding: 0 16px; }
  .hero { padding: 50px 0 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .stat:nth-child(2n) { border-right: none; }
  .stat:nth-last-child(-n+2) { border-bottom: none; }
  section { padding: 50px 0; }
  .facts-grid { grid-template-columns: 1fr; }
  .fact { border-right: none !important; }
  .tri-grid { grid-template-columns: 1fr; }
  .major-grid { grid-template-columns: 1fr; }
  .major-courses ul { grid-template-columns: 1fr; }
  .uni-grid { grid-template-columns: repeat(2, 1fr); }
  .adm-grid { grid-template-columns: 1fr; }
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .why-card { border-right: none !important; }
  .tl-row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; gap: 24px; }
  .hero-title { letter-spacing: 0.04em; }
}


/* ===== 子页面通用（apply / eligibility / faq / programs / certification / 合规三件套） ===== */

.page-hero {
  background: linear-gradient(135deg, var(--zju-blue) 0%, var(--zju-blue-dark) 100%);
  color: #fff;
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(243, 156, 18, 0.08), transparent 50%);
}
.page-hero-inner { position: relative; }
.page-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--beacon-orange);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.page-title {
  font-family: var(--font-cn);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.page-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
  max-width: 720px;
}
.page-crumbs {
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.page-crumbs a {
  color: rgba(255,255,255,0.65);
  border-bottom: 1px solid transparent;
}
.page-crumbs a:hover { color: var(--beacon-orange); border-bottom-color: var(--beacon-orange); }
.page-crumbs .sep { margin: 0 8px; color: rgba(255,255,255,0.3); }

/* 文章 / 内容区 */
.article-section { padding: 60px 0; background: #fafbfc; }
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  padding: 50px 56px;
  border-radius: 4px;
}
.article-wrap h2 {
  font-family: var(--font-cn);
  font-size: 22px;
  font-weight: 700;
  color: var(--zju-blue);
  margin: 36px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--beacon-orange);
}
.article-wrap h2:first-child { margin-top: 0; }
.article-wrap h3 {
  font-family: var(--font-cn);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 10px;
}
.article-wrap p, .article-wrap li {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}
.article-wrap p { margin-bottom: 14px; }
.article-wrap ul, .article-wrap ol { margin: 10px 0 16px 24px; }
.article-wrap li { margin-bottom: 8px; }
.article-wrap a { color: var(--zju-blue); border-bottom: 1px solid rgba(0,59,126,0.25); }
.article-wrap a:hover { border-bottom-color: var(--zju-blue); }
.article-wrap strong { color: var(--ink); }
.article-wrap .callout {
  background: #fff8ec;
  border-left: 4px solid var(--beacon-orange);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 13.5px;
  color: #6b4a14;
  line-height: 1.85;
  border-radius: 0 4px 4px 0;
}
.article-wrap .callout strong { color: #6b4a14; }
.article-wrap .callout-info {
  background: #eef4fb;
  border-left: 4px solid var(--zju-blue);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.85;
  border-radius: 0 4px 4px 0;
}
.article-wrap .compliance-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 13.5px;
}
.article-wrap .compliance-table th,
.article-wrap .compliance-table td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  vertical-align: top;
  text-align: left;
}
.article-wrap .compliance-table th {
  background: #f5f7fa;
  font-weight: 600;
  color: var(--ink);
}
.article-wrap .compliance-table td.ok { background: #f1f9f3; }
.article-wrap .compliance-table td.no { background: #fdf1f1; color: #8a3a3a; }
.article-wrap .ref-block {
  background: #f5f7fa;
  padding: 16px 20px;
  margin: 28px 0 0;
  border-radius: 4px;
  font-size: 13px;
  color: var(--ink-soft);
}
.article-wrap .ref-block .ref-h { font-weight: 600; color: var(--ink); margin-bottom: 8px; font-size: 13px; }

/* 表单 */
.form-section { padding: 50px 0; background: #fafbfc; }
.form-wrap {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  padding: 40px 48px;
  border-radius: 4px;
}
.form-step-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.form-step-header h2 {
  font-family: var(--font-cn);
  font-size: 22px;
  font-weight: 700;
  color: var(--zju-blue);
  margin: 0;
}
.form-step-num {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-bottom: 16px; }
.form-row.col-1 { grid-template-columns: 1fr; }
.form-field { display: flex; flex-direction: column; }
.form-field label {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
  font-weight: 500;
}
.form-field .req { color: var(--beacon-orange); margin-left: 3px; }
.form-field input[type=text],
.form-field input[type=tel],
.form-field input[type=email],
.form-field input[type=date],
.form-field input[type=number],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--zju-blue);
  box-shadow: 0 0 0 3px rgba(0, 59, 126, 0.08);
}
.form-field textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
.form-field .field-note {
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 6px;
  line-height: 1.6;
}
.form-radio-group { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.form-radio {
  flex: 1;
  min-width: 140px;
  border: 1px solid var(--line);
  padding: 11px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.18s;
  background: #fff;
  font-size: 14px;
  text-align: center;
}
.form-radio input { display: none; }
.form-radio:hover { border-color: var(--zju-blue-light); }
.form-radio.active {
  border-color: var(--zju-blue);
  background: #eef4fb;
  color: var(--zju-blue);
  font-weight: 600;
}
.form-consent {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--ink-mute);
  margin: 22px 0 18px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.form-consent input { margin-top: 4px; accent-color: var(--zju-blue); }
.form-consent a { color: var(--zju-blue); border-bottom: 1px solid rgba(0,59,126,0.25); }
.form-actions { display: flex; gap: 12px; justify-content: flex-end; align-items: center; padding-top: 24px; border-top: 1px solid var(--line); }
.form-actions .note { flex: 1; font-size: 12.5px; color: var(--ink-mute); }
.form-success {
  text-align: center;
  padding: 50px 30px;
}
.form-success .icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--zju-blue);
  color: #fff;
  font-size: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
}
.form-success h2 {
  font-family: var(--font-cn);
  font-size: 26px;
  margin: 0 0 12px;
  color: var(--ink);
}
.form-success p { color: var(--ink-soft); line-height: 1.85; max-width: 480px; margin: 0 auto 12px; font-size: 14.5px; }

/* eligibility 自测 */
.quiz-step { display: none; }
.quiz-step.active { display: block; }
.quiz-q {
  font-family: var(--font-cn);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.quiz-hint {
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 20px;
  line-height: 1.7;
}
.quiz-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.quiz-opt {
  border: 1px solid var(--line);
  padding: 14px 18px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14.5px;
  transition: all 0.18s;
  background: #fff;
}
.quiz-opt:hover { border-color: var(--zju-blue-light); background: #f7faff; }
.quiz-opt.active {
  border-color: var(--zju-blue);
  background: #eef4fb;
  color: var(--zju-blue);
  font-weight: 600;
}
.quiz-progress {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-align: right;
  margin-bottom: 18px;
}
.quiz-bar {
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 22px;
}
.quiz-bar-fill {
  height: 100%;
  background: var(--zju-blue);
  transition: width 0.3s ease;
}

/* FAQ */
.faq-index-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.faq-card {
  display: block;
  border: 1px solid var(--line);
  padding: 18px 22px;
  border-radius: 4px;
  background: #fff;
  text-decoration: none;
  color: var(--ink-soft);
  transition: all 0.18s;
}
.faq-card:hover {
  border-color: var(--zju-blue);
  box-shadow: 0 4px 14px rgba(0, 59, 126, 0.08);
  transform: translateY(-1px);
}
.faq-card .q {
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.5;
}
.faq-card .a-preview {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.faq-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 22px 0 14px;
  font-size: 12.5px;
}
.faq-tag {
  padding: 4px 12px;
  background: #eef4fb;
  color: var(--zju-blue);
  border-radius: 20px;
}
.faq-related {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.faq-related .h {
  font-family: var(--font-cn);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 12px;
}
.faq-related .links { display: flex; flex-direction: column; gap: 6px; }
.faq-related .links a {
  font-size: 13.5px;
  color: var(--zju-blue);
  border-bottom: 1px solid transparent;
}
.faq-related .links a:hover { border-bottom-color: var(--zju-blue); }

/* 专业详情页 */
.program-overview {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  margin: 30px 0 50px;
}
.program-side {
  background: #fafbfc;
  border: 1px solid var(--line);
  padding: 22px 24px;
  border-radius: 4px;
  align-self: start;
  position: sticky;
  top: 90px;
}
.program-side .ps-h {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.program-side .ps-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
}
.program-side .ps-row:last-child { border-bottom: none; }
.program-side .ps-row .k { color: var(--ink-mute); }
.program-side .ps-row .v { color: var(--ink); font-weight: 600; }
.program-side .ps-cta { display: block; margin-top: 16px; text-align: center; }

/* 响应式 */
@media (max-width: 720px) {
  .article-wrap { padding: 30px 22px; }
  .form-wrap { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .page-title { font-size: 26px; }
  .page-hero { padding: 40px 0 36px; }
  .faq-index-grid { grid-template-columns: 1fr; }
  .program-overview { grid-template-columns: 1fr; }
  .program-side { position: static; }
}


/* ===== 浮动 AI 咨询按钮 ===== */
.chat-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: linear-gradient(135deg, var(--zju-blue), var(--zju-blue-dark));
  color: #fff;
  padding: 14px 22px;
  border-radius: 30px;
  box-shadow: 0 6px 20px rgba(0, 59, 126, 0.35);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  z-index: 999;
  transition: all 0.22s ease;
  cursor: pointer;
}
.chat-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 59, 126, 0.45);
  background: linear-gradient(135deg, var(--zju-blue-dark), #001f44);
}
.chat-fab-icon { font-size: 16px; }
@media (max-width: 720px) {
  .chat-fab { bottom: 18px; right: 18px; padding: 11px 16px; font-size: 13px; }
}

/* ===== /chat/ 页面 ===== */
.chat-section { padding: 30px 0 60px; background: #fafbfc; min-height: 70vh; }
.chat-wrap {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  height: 72vh;
  min-height: 520px;
}
.chat-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--zju-blue), var(--zju-blue-dark));
  color: #fff;
  border-radius: 4px 4px 0 0;
}
.chat-avatar {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.chat-title { font-family: var(--font-cn); font-size: 15px; font-weight: 600; }
.chat-subtitle { font-size: 11.5px; opacity: 0.75; margin-top: 2px; letter-spacing: 0.05em; }
.chat-status {
  margin-left: auto;
  font-size: 11px;
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 6px;
}
.chat-status::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ecc71;
  box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.3);
}

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.chat-msg { display: flex; gap: 10px; max-width: 86%; }
.chat-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-msg .bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14.5px;
  line-height: 1.75;
  word-wrap: break-word;
}
.chat-msg.assistant .bubble {
  background: #eef4fb;
  color: var(--ink);
  border-bottom-left-radius: 4px;
}
.chat-msg.assistant .bubble strong { color: var(--zju-blue); }
.chat-msg.assistant .bubble a { color: var(--zju-blue); border-bottom: 1px solid rgba(0,59,126,0.3); }
.chat-msg.user .bubble {
  background: var(--zju-blue);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg .avatar-mini {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: var(--zju-blue);
  color: #fff;
}
.chat-msg.user .avatar-mini { background: var(--beacon-orange); }

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 24px 14px;
}
.chat-suggestions .sug {
  background: #fff;
  border: 1px solid var(--line);
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.18s;
}
.chat-suggestions .sug:hover {
  border-color: var(--zju-blue);
  color: var(--zju-blue);
  background: #eef4fb;
}

.chat-input-area {
  border-top: 1px solid var(--line);
  padding: 14px 18px;
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.chat-input-area textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.6;
  max-height: 120px;
  min-height: 42px;
}
.chat-input-area textarea:focus {
  outline: none;
  border-color: var(--zju-blue);
  box-shadow: 0 0 0 3px rgba(0,59,126,0.08);
}
.chat-send-btn {
  background: var(--zju-blue);
  color: #fff;
  border: none;
  padding: 0 22px;
  height: 42px;
  border-radius: 8px;
  font-family: var(--font-cn);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.18s;
}
.chat-send-btn:hover:not(:disabled) { background: var(--zju-blue-dark); }
.chat-send-btn:disabled { background: var(--ink-mute); cursor: not-allowed; }

.chat-typing {
  display: inline-flex;
  gap: 4px;
  padding: 8px 14px;
}
.chat-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--zju-blue-light);
  animation: typing-bounce 1.2s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
  40% { transform: translateY(-6px); opacity: 1; }
}

.chat-footer-note {
  padding: 10px 24px 14px;
  font-size: 11.5px;
  color: var(--ink-mute);
  border-top: 1px solid var(--line);
  text-align: center;
  letter-spacing: 0.04em;
}
.chat-footer-note a { color: var(--zju-blue); border-bottom: 1px solid rgba(0,59,126,0.3); }

@media (max-width: 720px) {
  .chat-wrap { height: 75vh; min-height: 460px; border-radius: 0; border-left: none; border-right: none; }
  .chat-msg { max-width: 92%; }
}


/* ===== 修正：article-wrap 内的 .btn 不要继承文章链接色 ===== */
.article-wrap a.btn { border-bottom: none; }
.article-wrap a.btn-primary { color: #fff; }
.article-wrap a.btn-primary:hover { color: #fff; }
.article-wrap a.btn-ghost { color: var(--zju-blue); }
.article-wrap a.btn-ghost:hover { color: #fff; }

/* ===== chat 主动留联系方式 ===== */
.chat-lead-bar {
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  background: #fafbfc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12.5px;
  color: var(--ink-mute);
}
.chat-lead-text { letter-spacing: 0.02em; }
.chat-lead-btn {
  background: var(--beacon-orange);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.04em;
}
.chat-lead-btn:hover {
  background: var(--beacon-orange-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(243,156,18,0.3);
}

.chat-lead-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.chat-lead-card {
  background: #fff;
  border-radius: 8px;
  max-width: 480px;
  width: 100%;
  padding: 32px 32px 24px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  max-height: 90vh;
  overflow-y: auto;
}
.chat-lead-card h3 {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 700;
  color: var(--zju-blue);
  margin-bottom: 6px;
}
.chat-lead-sub {
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 18px;
  line-height: 1.7;
}
.chat-lead-close {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 26px;
  color: var(--ink-mute);
  cursor: pointer;
  line-height: 1;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.18s;
}
.chat-lead-close:hover { background: #f0f0f0; color: var(--ink); }


/* ===== 首页两大专业卡片底部"查看专业详情"按钮 ===== */
.major-link {
  display: inline-block;
  margin-top: 22px;
  padding: 10px 22px;
  background: transparent;
  color: var(--zju-blue);
  border: 1.5px solid var(--zju-blue);
  border-radius: 4px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.18s;
}
.major-link:hover {
  background: var(--zju-blue);
  color: #fff;
  transform: translateX(2px);
  box-shadow: 0 4px 14px rgba(0, 59, 126, 0.22);
}

/* ===== 专业详情页面包屑 ===== */
.breadcrumb {
  background: #fafbfc;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  font-size: 13px;
  color: var(--ink-mute);
}
.breadcrumb a {
  color: var(--zju-blue);
  border-bottom: 1px solid transparent;
}
.breadcrumb a:hover { border-bottom-color: var(--zju-blue); }
.breadcrumb-sep { margin: 0 10px; color: var(--ink-light); }
.breadcrumb-cur { color: var(--ink); font-weight: 600; }