/* ═══════════════════════════════════════════════════════════════
   SEDA 新首页补充样式  seda-home-new.css
   在原站 seda-site.css 之后引入，不覆盖全局样式
   ═══════════════════════════════════════════════════════════════ */

:root {
  --red:        #c0392b;
  --red-dark:   #96281b;
  --red-light:  #fef2f2;
  --text:       #1a202c;
  --text-muted: #6b7280;
  --border:     #e5e7eb;
  --bg-light:   #f9fafb;
  --bg-dark:    #1e293b;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 2px 12px rgba(0,0,0,.08);
  --shadow-md:  0 4px 24px rgba(0,0,0,.12);
}

/* ── 通用辅助 ── */
.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: .6rem;
}
.section-label.light { color: rgba(255,255,255,.7); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}
.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: .6rem;
}
.section-desc {
  color: var(--text-muted);
  font-size: .95rem;
  line-height: 1.7;
}

.text-link {
  color: var(--red);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.text-link:hover { border-bottom-color: var(--red); }

.primary-button {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: .85rem 2rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.primary-button:hover { background: var(--red-dark); transform: translateY(-1px); }

.secondary-button {
  display: inline-block;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  padding: .85rem 2rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.secondary-button:hover { border-color: var(--red); color: var(--red); }

.outline-btn {
  display: inline-block;
  padding: .55rem 1.25rem;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.outline-btn:hover { border-color: var(--red); color: var(--red); }


/* ════════════════════════════════════════
   1. HERO
   ════════════════════════════════════════ */
.hero {
  position: relative;
  background:
    linear-gradient(to right, rgba(10,14,23,.85) 0%, rgba(10,14,23,.70) 50%, rgba(10,14,23,.25) 100%),
    url('/assets/hero-mbs-day3.jpg') center 30% / cover no-repeat;
  color: #fff;
  padding: 0 0 0;
  min-height: 520px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 2rem 2rem;
}
.hero-eyebrow {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: .75rem;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #fff;
}
.hero-subtitle {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin-bottom: 1.75rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.hero-actions .secondary-button {
  color: rgba(255,255,255,.85);
  border-color: rgba(255,255,255,.3);
}
.hero-actions .secondary-button:hover {
  border-color: #fff;
  color: #fff;
}

/* 微信卡片 */
.hero-wechat-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  max-width: 480px;
  backdrop-filter: blur(8px);
}
.hero-wechat-card img {
  width: 88px;
  height: 88px;
  border-radius: 8px;
  object-fit: cover;
  background: #e5e7eb;
  flex-shrink: 0;
}
.hero-wechat-copy strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .25rem;
}
.hero-wechat-copy > span {
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  display: block;
  margin-bottom: .6rem;
}
.hero-wechat-copy ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .6rem;
}
.hero-wechat-copy ul li {
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.1);
  border-radius: 4px;
  padding: .2rem .5rem;
}

/* 统计条 */
.hero-stats {
  background: rgba(0,0,0,.25);
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.stat-chip {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 2rem;
  border-right: 1px solid rgba(255,255,255,.08);
  flex: 1;
  min-width: 200px;
}
.stat-chip:last-child { border-right: none; }
.stat-icon { font-size: 1.4rem; }
.stat-chip strong {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}
.stat-chip span {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
}


/* ════════════════════════════════════════
   2. 痛点区
   ════════════════════════════════════════ */
.pain-section {
  background: #fff;
  padding: 5rem 2rem;
}
.pain-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}
.pain-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 1rem;
}
.pain-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: .9rem;
  font-size: .95rem;
}
.pain-text p strong { color: var(--text); }
.pain-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color .2s, box-shadow .2s, transform .15s;
  background: #fff;
}
.pain-card:hover {
  border-color: var(--red);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.pain-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.pain-card-body strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .35rem;
}
.pain-card-body p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 .4rem;
}
.pain-card-link {
  font-size: .82rem;
  font-weight: 600;
  color: var(--red);
}


/* ════════════════════════════════════════
   3. 年龄段选路径
   ════════════════════════════════════════ */
.age-finder-section {
  background: var(--bg-light);
  padding: 5rem 2rem;
}
.age-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.age-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  transition: border-color .2s, box-shadow .2s, transform .15s;
  position: relative;
  overflow: hidden;
}
.age-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s;
}
.age-card:hover {
  border-color: var(--red);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.age-card:hover::before { transform: scaleX(1); }
.age-badge {
  display: inline-block;
  background: var(--red-light);
  color: var(--red);
  font-size: .72rem;
  font-weight: 700;
  padding: .2rem .65rem;
  border-radius: 4px;
  width: fit-content;
}
.age-range {
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.age-card h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin: .25rem 0;
}
.age-card p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}
.age-cta {
  font-size: .82rem;
  font-weight: 700;
  color: var(--red);
  margin-top: .5rem;
}


/* ════════════════════════════════════════
   4. 顾问信任区
   ════════════════════════════════════════ */
.advisor-section {
  background: var(--bg-dark);
  color: #fff;
  padding: 5rem 2rem;
}
.advisor-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}
.advisor-stats h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.advisor-stats p {
  color: rgba(255,255,255,.65);
  line-height: 1.8;
  font-size: .95rem;
  margin-bottom: 1.75rem;
}
.stat-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.stat-item {
  flex: 1 1 80px;
  min-width: 80px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  padding: .75rem 1rem;
  border: 1px solid rgba(255,255,255,.12);
}
.stat-item strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
}
.stat-item span {
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  display: block;
  margin-top: .2rem;
}
.advisor-reviews {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.review-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.review-stars {
  color: #fbbf24;
  font-size: .9rem;
  margin-bottom: .5rem;
  letter-spacing: .05em;
}
.review-text {
  font-size: .9rem;
  color: rgba(255,255,255,.8);
  line-height: 1.7;
  margin-bottom: .6rem;
  font-style: italic;
}
.review-meta {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}


/* ════════════════════════════════════════
   5. 深度攻略
   ════════════════════════════════════════ */
.guides-section {
  background: #fff;
  padding: 5rem 2rem;
}
.guides-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: stretch;
}
.guide-featured {
  display: block;
  text-decoration: none;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .2s, transform .15s;
  height: 100%;
}
.guide-featured:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.guide-featured-img {
  position: relative;
  height: 100%;
  min-height: 380px;
}
.guide-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #e5e7eb;
  filter: saturate(1.5) contrast(1.08) brightness(1.04);
  transition: filter .3s;
}
.guide-featured:hover .guide-featured-img img {
  filter: saturate(1.7) contrast(1.1) brightness(1.06);
}
.guide-featured-overlay {
  background: #fff;
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.guide-tag {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: .6rem;
}
.guide-featured-overlay h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary, #111827);
  line-height: 1.4;
  margin: 0;
}
.guide-featured-overlay p {
  font-size: .875rem;
  color: var(--text-secondary, #6b7280);
  line-height: 1.6;
  margin: 0;
}
.guide-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.guide-item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.1rem 1.25rem;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.guide-item:last-child { border-bottom: none; }
.guide-item:hover { background: var(--bg-light); }
.guide-tag-sm {
  display: inline-block;
  background: var(--red-light);
  color: var(--red);
  font-size: .7rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: .15rem;
}
.guide-item-body h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .25rem;
  line-height: 1.3;
}
.guide-item-body p {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}


/* ════════════════════════════════════════
   6. 精选学校
   ════════════════════════════════════════ */
.school-showcase {
  background: var(--bg-light);
  padding: 5rem 2rem;
}
.school-grid {
  max-width: 1200px;
  margin: 0 auto 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .85rem;
}
.school-chip {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .9rem 1.1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: border-color .2s, box-shadow .2s, transform .15s;
  background: #fff;
}
.school-chip:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.school-chip.intl  { border-color: #dbeafe; }
.school-chip.intl:hover  { border-color: #3b82f6; }
.school-chip.gov   { border-color: #dcfce7; }
.school-chip.gov:hover   { border-color: #22c55e; }
.school-chip.private { border-color: #fef9c3; }
.school-chip.private:hover { border-color: #eab308; }
.school-chip.uni { border-color: #e0e7ff; }
.school-chip.uni:hover { border-color: #1d3c78; }
.school-abbr {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 800;
  flex-shrink: 0;
  color: #fff;
}
.school-chip.intl   .school-abbr { background: #3b82f6; }
.school-chip.gov    .school-abbr { background: #22c55e; }
.school-chip.private .school-abbr { background: #eab308; }
.school-chip.uni .school-abbr { background: #1d3c78; }
.school-logo {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
  background: #fff;
  padding: 4px;
  border: 1px solid #eef0f4;
}
.school-name {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  display: block;
  line-height: 1.3;
}
.school-type {
  font-size: .75rem;
  color: var(--text-muted);
}
.showcase-footer {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}


/* ════════════════════════════════════════
   7. FAQ
   ════════════════════════════════════════ */
.faq-section {
  background: #fff;
  padding: 5rem 2rem;
}
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.faq-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item[open] { border-color: var(--red); }
.faq-item summary {
  padding: 1.1rem 1.25rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background .15s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform .2s;
  flex-shrink: 0;
  margin-left: 1rem;
}
.faq-item[open] summary::after {
  content: '−';
  color: var(--red);
}
.faq-item summary:hover { background: var(--bg-light); }
.faq-item p {
  padding: 0 1.25rem 1.1rem;
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}
.faq-item p a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 2px;
}


/* ════════════════════════════════════════
   8. 底部联系区
   ════════════════════════════════════════ */
.contact-section {
  background: var(--red);
  color: #fff;
  padding: 5rem 2rem;
}
.contact-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
}
.contact-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.contact-copy p {
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  font-size: .95rem;
  margin-bottom: 1.5rem;
}
.contact-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.contact-features li {
  font-size: .9rem;
  color: rgba(255,255,255,.85);
}
.wechat-card-large {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  text-align: center;
}
.wechat-card-large strong {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.wechat-card-large > span {
  font-size: .82rem;
  color: rgba(255,255,255,.7);
}
.wechat-card-large img {
  width: 140px;
  height: 140px;
  border-radius: 10px;
  object-fit: cover;
  background: rgba(255,255,255,.15);
}
.wechat-id-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: rgba(255,255,255,.7);
}
.wechat-id-row strong { color: #fff; }
.copy-btn {
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  border-radius: 4px;
  padding: .2rem .6rem;
  font-size: .75rem;
  cursor: pointer;
  transition: background .2s;
}
.copy-btn:hover { background: rgba(255,255,255,.35); }

/* 微信悬浮按钮 */
.wechat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #07c160;
  color: #fff;
  border: none;
  border-radius: 28px;
  padding: .7rem 1.2rem;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .4rem;
  box-shadow: 0 4px 20px rgba(7,193,96,.4);
  z-index: 999;
  transition: transform .2s, box-shadow .2s;
}
.wechat-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(7,193,96,.5);
}


/* ════════════════════════════════════════
   响应式
   ════════════════════════════════════════ */
@media (max-width: 1024px) {
  .age-grid { grid-template-columns: repeat(2, 1fr); }
  .guides-layout { grid-template-columns: 1fr; }
  .guide-featured-img img { height: 280px; }
  .pain-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .advisor-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .hero-inner { padding: 2.5rem 1.25rem 1.5rem; }
  .hero-wechat-card { flex-direction: column; }
  .hero-stats { flex-direction: column; }
  .stat-chip { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .stat-chip:last-child { border-bottom: none; }
  .age-grid { grid-template-columns: 1fr; }
  .stat-row { gap: 1.25rem; }
  .pain-section,
  .age-finder-section,
  .advisor-section,
  .guides-section,
  .school-showcase,
  .faq-section,
  .contact-section { padding: 3.5rem 1.25rem; }
  .school-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-footer { flex-direction: column; }
  .wechat-fab { bottom: 16px; right: 16px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .primary-button,
  .hero-actions .secondary-button { width: 100%; text-align: center; }
  .school-grid { grid-template-columns: 1fr; }
}